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Stop the glob operator from leaking GVs
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
00f254e2 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
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
6f4183fe
GS		 53# define MULTIPLICITY
54# endif
55#endif
56
27da23d5
JH		 57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
27da23d5
JH		 63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
97aff369
JH		 69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
026fd48b
GH		 75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
27da23d5
JH		 81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
27da23d5
JH		 88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
a0fd4948 94#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 95/* EPOC/Symbian: need to work around the SDK features. *
96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 105# define USE_REENTRANT_API
106#endif
107
ac6bedea
JH		 108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
af28e889 110/*
6239f2da
JH		 111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 113 * __bsdi__ for BSD/OS
114 */
6239f2da 115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
cf5a8da6
MHM		 121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
17a6c8e3
AD		 134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
27da23d5
JH		 146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
7a89be66 160#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
c5be433b 168#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 169# ifndef MULTIPLICITY
170# define MULTIPLICITY
c5be433b 171# endif
e8dda941 172# define tTHX PerlInterpreter*
5ba4cab2 173# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
27da23d5 175# ifdef PERL_GLOBAL_STRUCT
e8dda941 176# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 177# else
e8dda941 178# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 179# endif
180# ifdef PERL_GLOBAL_STRUCT
181# define dTHX dVAR; pTHX = PERL_GET_THX
182# else
183# define dTHX pTHX = PERL_GET_THX
184# endif
c5be433b 185# define pTHX_ pTHX,
c5be433b 186# define aTHX_ aTHX,
4373e329 187# define pTHX_1 2
894356b3
GS		 188# define pTHX_2 3
189# define pTHX_3 4
190# define pTHX_4 5
4373e329
AL		 191# define pTHX_5 6
192# define pTHX_6 7
a3b680e6
AL		 193# define pTHX_7 8
194# define pTHX_8 9
195# define pTHX_9 10
e8dda941
JD		 196# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
197# define PERL_TRACK_MEMPOOL
198# endif
199#else
200# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 201#endif
202
76e3520e 203#define STATIC static
16c91539
BM		 204
205#ifndef PERL_CORE
206/* Do not use these macros. They were part of PERL_OBJECT, which was an
207 * implementation of multiplicity using C++ objects. They have been left
208 * here solely for the sake of XS code which has incorrectly
209 * cargo-culted them.
210 */
76e3520e 211#define CPERLscope(x) x
565764a8 212#define CPERLarg void
76e3520e 213#define CPERLarg_
e3b8966e 214#define _CPERLarg
1d583055
GS		 215#define PERL_OBJECT_THIS
216#define _PERL_OBJECT_THIS
217#define PERL_OBJECT_THIS_
312caa8e 218#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 219#define MEMBER_TO_FPTR(name) name
16c91539 220#endif /* !PERL_CORE */
76e3520e 221
16c91539 222#define CALLRUNOPS PL_runops
f9f4320a 223
3ab4a224 224#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 225
16c91539 226#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 227#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 228 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 229 (strbeg),(minend),(screamer),(data),(flags))
230#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 231 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 232 (strend),(flags),(data))
233#define CALLREG_INTUIT_STRING(prog) \
16c91539 234 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 235
f8149455
YO		 236#define CALLREGFREE(prog) \
237 Perl_pregfree(aTHX_ (prog))
238
239#define CALLREGFREE_PVT(prog) \
16c91539 240 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 241
2fdbfb4d 242#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 244
2fdbfb4d 245#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 247
248#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 249 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 250
192b9cd1 251#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 280
49d7dfbc 281#define CALLREG_PACKAGE(rx) \
16c91539 282 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 283
00f254e2 284#if defined(USE_ITHREADS)
f9f4320a 285#define CALLREGDUPE(prog,param) \
f8149455
YO		 286 Perl_re_dup(aTHX_ (prog),(param))
287
288#define CALLREGDUPE_PVT(prog,param) \
16c91539 289 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 290 : (REGEXP *)NULL)
f9f4320a 291#endif
14dd3ad8 292
a20207d7 293
bcdf7404 294
a20207d7
YO		 295
296
5ba4cab2
SH		 297/*
298 * Because of backward compatibility reasons the PERL_UNUSED_DECL
299 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
300 *
301 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 302 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 303 * marking unused variables (they need e.g. a #pragma) and therefore
304 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
305 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
306 *
307 */
1266ad8c 308
9969cdde 309#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 310# ifdef __cplusplus
5ba4cab2 311# define PERL_UNUSED_DECL
5b2bd0a5 312# else
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 314# endif
315#endif
44dbb695 316
5b2bd0a5 317#ifndef PERL_UNUSED_DECL
34659ad4 318# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 319# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 320# else
5ba4cab2 321# define PERL_UNUSED_DECL
b79c357a 322# endif
5b2bd0a5 323#endif
00f254e2 324
349b520e
DM		 325/* gcc -Wall:
326 * for silencing unused variables that are actually used most of the time,
a0288114 327 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 328 */
53c1dcc0 329#ifndef PERL_UNUSED_ARG
c99ffe5e 330# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 331# include <note.h>
53c1dcc0 332# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 333# else
53c1dcc0 334# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 335# endif
336#endif
53c1dcc0
AL		 337#ifndef PERL_UNUSED_VAR
338# define PERL_UNUSED_VAR(x) ((void)x)
339#endif
ad73156c 340
96a5add6
AL		 341#ifdef USE_ITHREADS
342# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
343#else
344# define PERL_UNUSED_CONTEXT
345#endif
346
6f207bd3 347#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 348/* cea2e8a9dd23747f accidentally lost the comment originally from the first
349 check in of thread.h, explaining why we need dNOOP at all: */
350/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
351/* Declaring a *function*, instead of a variable, ensures that we don't rely
352 on being able to suppress "unused" warnings. */
7db66e12
CB		 353#ifdef __cplusplus
354#define dNOOP (void)0
355#else
64a8239e 356#define dNOOP extern int Perl___notused(void)
7db66e12 357#endif
71be2cbc 358
0cb96387 359#ifndef pTHX
e8dda941
JD		 360/* Don't bother defining tTHX and sTHX; using them outside
361 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
362 */
0cb96387
GS		 363# define pTHX void
364# define pTHX_
0cb96387
GS		 365# define aTHX
366# define aTHX_
0cb96387
GS		 367# define dTHXa(a) dNOOP
368# define dTHX dNOOP
894356b3
GS		 369# define pTHX_1 1
370# define pTHX_2 2
371# define pTHX_3 3
372# define pTHX_4 4
3d42dc86
RGS		 373# define pTHX_5 5
374# define pTHX_6 6
a3b680e6
AL		 375# define pTHX_7 7
376# define pTHX_8 8
377# define pTHX_9 9
0cb96387
GS		 378#endif
379
27da23d5
JH		 380#ifndef dVAR
381# define dVAR dNOOP
382#endif
383
b4f7f263
GS		 384/* these are only defined for compatibility; should not be used internally */
385#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 386# define pTHXo pTHX
387# define pTHXo_ pTHX_
0cb96387
GS		 388# define aTHXo aTHX
389# define aTHXo_ aTHX_
c5be433b 390# define dTHXo dTHX
71d280e3 391# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 392#endif
393
394#ifndef pTHXx
395# define pTHXx register PerlInterpreter *my_perl
396# define pTHXx_ pTHXx,
0cb96387
GS		 397# define aTHXx my_perl
398# define aTHXx_ aTHXx,
c5be433b 399# define dTHXx dTHX
22c35a8c 400#endif
71be2cbc 401
1de7c2ac
GS		 402/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
403 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
404 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
405#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 406# ifdef PERL_GLOBAL_STRUCT_PRIVATE
407# define dTHXs dVAR; dTHX
408# else
409# define dTHXs dTHX
410# endif
1de7c2ac 411#else
27da23d5
JH		 412# ifdef PERL_GLOBAL_STRUCT_PRIVATE
413# define dTHXs dVAR
414# else
415# define dTHXs dNOOP
416# endif
1de7c2ac
GS		 417#endif
418
27da23d5
JH		 419/* Some platforms require marking function declarations
420 * for them to be exportable. Used in perlio.h, proto.h
421 * is handled either by the makedef.pl or by defining the
422 * PERL_CALLCONV to be something special. See also the
423 * definition of XS() in XSUB.h. */
424#ifndef PERL_EXPORT_C
a0c21aa1
JH		 425# ifdef __cplusplus
426# define PERL_EXPORT_C extern "C"
427# else
428# define PERL_EXPORT_C extern
429# endif
27da23d5
JH		 430#endif
431#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 432# ifdef __cplusplus
433# define PERL_XS_EXPORT_C extern "C"
434# else
435# define PERL_XS_EXPORT_C
436# endif
27da23d5
JH		 437#endif
438
462e5cf6
MB		 439#ifdef OP_IN_REGISTER
440# ifdef __GNUC__
441# define stringify_immed(s) #s
442# define stringify(s) stringify_immed(s)
d1ca3daa 443register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 444# endif
445#endif
446
e5afc1ae 447/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 448 * g++ allows them but seems to have problems with them
70aab261
RB		 449 * (insane errors ensue).
450 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
451 */
452#if defined(PERL_GCC_PEDANTIC) || \
453 (defined(__GNUC__) && defined(__cplusplus) && \
454 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 455# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 456# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
457# endif
5dc8bdac
JH		 458#endif
459
5b692037
JH		 460#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
461# ifndef PERL_USE_GCC_BRACE_GROUPS
462# define PERL_USE_GCC_BRACE_GROUPS
463# endif
464#endif
465
728e2803 466/*
467 * STMT_START { statements; } STMT_END;
468 * can be used as a single statement, as in
469 * if (x) STMT_START { ... } STMT_END; else ...
470 *
471 * Trying to select a version that gives no warnings...
472 */
473#if !(defined(STMT_START) && defined(STMT_END))
5b692037 474# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 475# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 476# define STMT_END )
477# else
478 /* Now which other defined()s do we need here ??? */
93189314 479# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 480# define STMT_START if (1)
481# define STMT_END else (void)0
482# else
483# define STMT_START do
484# define STMT_END while (0)
485# endif
486# endif
487#endif
488
d6f9c181
JH		 489#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
490# define BYTEORDER 0x1234
79072805
LW		 491#endif
492
493/* Overall memory policy? */
494#ifndef CONSERVATIVE
495# define LIBERAL 1
496#endif
497
8ada0baa
JH		 498#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
499#define ASCIIish
500#else
501#undef ASCIIish
502#endif
503
79072805
LW		 504/*
505 * The following contortions are brought to you on behalf of all the
506 * standards, semi-standards, de facto standards, not-so-de-facto standards
507 * of the world, as well as all the other botches anyone ever thought of.
508 * The basic theory is that if we work hard enough here, the rest of the
509 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
510 */
ac58e20f 511
ee0007ab 512/* define this once if either system, instead of cluttering up the src */
7c458fae 513#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 514#define DOSISH 1
515#endif
516
fb38d079 517#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 518# define STANDARD_C 1
519#endif
520
9969cdde 521#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 522# define DONT_DECLARE_STD 1
523#endif
524
352d5a3a 525#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 526# define VOL volatile
663a0e37 527#else
79072805 528# define VOL
663a0e37
LW		 529#endif
530
3280af22
NIS		 531#define TAINT (PL_tainted = TRUE)
532#define TAINT_NOT (PL_tainted = FALSE)
533#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
534#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 535#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 536
20be6587
DM		 537/* flags used internally only within pp_subst and pp_substcont */
538#ifdef PERL_CORE
539# define SUBST_TAINT_STR 1 /* string tainted */
540# define SUBST_TAINT_PAT 2 /* pattern tainted */
541# define SUBST_TAINT_REPL 4 /* replacement tainted */
542# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
543# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
544#endif
545
d460ef45 546/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 547 defines move there? If so, I could simplify this a lot. --AD 9/96.
548*/
549/* Process group stuff changed from traditional BSD to POSIX.
550 perlfunc.pod documents the traditional BSD-style syntax, so we'll
551 try to preserve that, if possible.
552*/
553#ifdef HAS_SETPGID
554# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 555#else
a6e633de 556# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
557# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
558# else
559# ifdef HAS_SETPGRP2 /* DG/UX */
560# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
561# endif
562# endif
563#endif
564#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
565# define HAS_SETPGRP /* Well, effectively it does . . . */
566#endif
567
568/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
569 our life easier :-) so we'll try it.
570*/
571#ifdef HAS_GETPGID
572# define BSD_GETPGRP(pid) getpgid((pid))
573#else
574# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
575# define BSD_GETPGRP(pid) getpgrp((pid))
576# else
577# ifdef HAS_GETPGRP2 /* DG/UX */
578# define BSD_GETPGRP(pid) getpgrp2((pid))
579# endif
580# endif
581#endif
582#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
583# define HAS_GETPGRP /* Well, effectively it does . . . */
584#endif
585
d460ef45 586/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 587 have different behaviors, but perl.h used to define USE_BSDPGRP
588 (prior to 5.003_05) so some extension might depend on it.
589*/
590#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
591# ifndef USE_BSDPGRP
592# define USE_BSDPGRP
593# endif
663a0e37
LW		 594#endif
595
486ec47a 596/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 597 pthread.h must be included before all other header files.
598*/
3db8f154 599#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 600# include <pthread.h>
601#endif
602
760ac839
LW		 603#ifndef _TYPES_ /* If types.h defines this it's easy. */
604# ifndef major /* Does everyone's types.h define this? */
605# include <sys/types.h>
c07a80fd 606# endif
663a0e37
LW		 607#endif
608
760ac839
LW		 609#ifdef __cplusplus
610# ifndef I_STDARG
611# define I_STDARG 1
612# endif
613#endif
614
615#ifdef I_STDARG
616# include <stdarg.h>
617#else
618# ifdef I_VARARGS
619# include <varargs.h>
620# endif
621#endif
622
4633a7c4 623#ifdef USE_NEXT_CTYPE
0c30d9ec 624
092bebab
JH		 625#if NX_CURRENT_COMPILER_RELEASE >= 500
626# include <bsd/ctypes.h>
627#else
628# if NX_CURRENT_COMPILER_RELEASE >= 400
629# include <objc/NXCType.h>
630# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
631# include <appkit/NXCType.h>
632# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
633#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 634
635#else /* !USE_NEXT_CTYPE */
fe14fcc3 636#include <ctype.h>
0c30d9ec 637#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 638
639#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
640#undef METHOD
a0d0e21e
LW		 641#endif
642
12ae5dfc
JH		 643#ifdef PERL_MICRO
644# define NO_LOCALE
645#endif
646
4633a7c4 647#ifdef I_LOCALE
36477c24 648# include <locale.h>
4633a7c4
LW		 649#endif
650
36477c24 651#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
652# define USE_LOCALE
653# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
654 && defined(HAS_STRXFRM)
655# define USE_LOCALE_COLLATE
656# endif
657# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
658# define USE_LOCALE_CTYPE
659# endif
660# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
661# define USE_LOCALE_NUMERIC
662# endif
663#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 664
fe14fcc3 665#include <setjmp.h>
79072805 666
a0d0e21e 667#ifdef I_SYS_PARAM
79072805
LW		 668# ifdef PARAM_NEEDS_TYPES
669# include <sys/types.h>
670# endif
671# include <sys/param.h>
352d5a3a 672#endif
79072805 673
79072805 674/* Use all the "standard" definitions? */
a0d0e21e 675#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 676# include <stdlib.h>
ff68c719 677#endif
03a14243 678
3f270f98
JH		 679/* If this causes problems, set i_unistd=undef in the hint file. */
680#ifdef I_UNISTD
681# include <unistd.h>
682#endif
683
de8ca8af
NT		 684/* for WCOREDUMP */
685#ifdef I_SYS_WAIT
686# include <sys/wait.h>
687#endif
688
9969cdde 689#ifdef __SYMBIAN32__
27da23d5
JH		 690# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
691#endif
692
7114a2d2 693#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 694EXTERN_C int syscall(int, ...);
2ef53570
JH		 695#endif
696
7114a2d2 697#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 698EXTERN_C int usleep(unsigned int);
2ef53570
JH		 699#endif
700
9c12f1e5
RGS		 701/* Funky places that do not have socket stuff. */
702#if defined(__LIBCATAMOUNT__)
703# define MYSWAP
704#endif
705
9a34ef1d
GS		 706#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
707# define MYSWAP
708#endif
709
1109a392
MHM		 710#ifdef PERL_CORE
711
712/* macros for correct constant construction */
713# if INTSIZE >= 2
714# define U16_CONST(x) ((U16)x##U)
715# else
716# define U16_CONST(x) ((U16)x##UL)
717# endif
718
719# if INTSIZE >= 4
720# define U32_CONST(x) ((U32)x##U)
721# else
722# define U32_CONST(x) ((U32)x##UL)
723# endif
724
725# ifdef HAS_QUAD
726# if INTSIZE >= 8
727# define U64_CONST(x) ((U64)x##U)
728# elif LONGSIZE >= 8
729# define U64_CONST(x) ((U64)x##UL)
730# elif QUADKIND == QUAD_IS_LONG_LONG
731# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 732# elif QUADKIND == QUAD_IS___INT64
733# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 734# else /* best guess we can make */
735# define U64_CONST(x) ((U64)x##UL)
736# endif
737# endif
738
739/* byte-swapping functions for big-/little-endian conversion */
740# define _swab_16_(x) ((U16)( \
741 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
742 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
743
744# define _swab_32_(x) ((U32)( \
745 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
746 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
747 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
748 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
749
750# ifdef HAS_QUAD
751# define _swab_64_(x) ((U64)( \
752 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
753 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
754 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
755 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
756 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
757 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
758 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
759 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
760# endif
761
762/*----------------------------------------------------------------------------*/
763# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
764/*----------------------------------------------------------------------------*/
765# define my_htole16(x) (x)
766# define my_letoh16(x) (x)
767# define my_htole32(x) (x)
768# define my_letoh32(x) (x)
769# define my_htobe16(x) _swab_16_(x)
770# define my_betoh16(x) _swab_16_(x)
771# define my_htobe32(x) _swab_32_(x)
772# define my_betoh32(x) _swab_32_(x)
773# ifdef HAS_QUAD
774# define my_htole64(x) (x)
775# define my_letoh64(x) (x)
776# define my_htobe64(x) _swab_64_(x)
777# define my_betoh64(x) _swab_64_(x)
778# endif
779# define my_htoles(x) (x)
780# define my_letohs(x) (x)
781# define my_htolei(x) (x)
782# define my_letohi(x) (x)
783# define my_htolel(x) (x)
784# define my_letohl(x) (x)
785# if SHORTSIZE == 1
786# define my_htobes(x) (x)
787# define my_betohs(x) (x)
788# elif SHORTSIZE == 2
789# define my_htobes(x) _swab_16_(x)
790# define my_betohs(x) _swab_16_(x)
791# elif SHORTSIZE == 4
792# define my_htobes(x) _swab_32_(x)
793# define my_betohs(x) _swab_32_(x)
794# elif SHORTSIZE == 8
795# define my_htobes(x) _swab_64_(x)
796# define my_betohs(x) _swab_64_(x)
797# else
798# define PERL_NEED_MY_HTOBES
799# define PERL_NEED_MY_BETOHS
800# endif
801# if INTSIZE == 1
802# define my_htobei(x) (x)
803# define my_betohi(x) (x)
804# elif INTSIZE == 2
805# define my_htobei(x) _swab_16_(x)
806# define my_betohi(x) _swab_16_(x)
807# elif INTSIZE == 4
808# define my_htobei(x) _swab_32_(x)
809# define my_betohi(x) _swab_32_(x)
810# elif INTSIZE == 8
811# define my_htobei(x) _swab_64_(x)
812# define my_betohi(x) _swab_64_(x)
813# else
814# define PERL_NEED_MY_HTOBEI
815# define PERL_NEED_MY_BETOHI
816# endif
817# if LONGSIZE == 1
818# define my_htobel(x) (x)
819# define my_betohl(x) (x)
820# elif LONGSIZE == 2
821# define my_htobel(x) _swab_16_(x)
822# define my_betohl(x) _swab_16_(x)
823# elif LONGSIZE == 4
824# define my_htobel(x) _swab_32_(x)
825# define my_betohl(x) _swab_32_(x)
826# elif LONGSIZE == 8
827# define my_htobel(x) _swab_64_(x)
828# define my_betohl(x) _swab_64_(x)
829# else
830# define PERL_NEED_MY_HTOBEL
831# define PERL_NEED_MY_BETOHL
832# endif
833# define my_htolen(p,n) NOOP
834# define my_letohn(p,n) NOOP
835# define my_htoben(p,n) my_swabn(p,n)
836# define my_betohn(p,n) my_swabn(p,n)
837/*----------------------------------------------------------------------------*/
838# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
839/*----------------------------------------------------------------------------*/
840# define my_htobe16(x) (x)
841# define my_betoh16(x) (x)
842# define my_htobe32(x) (x)
843# define my_betoh32(x) (x)
844# define my_htole16(x) _swab_16_(x)
845# define my_letoh16(x) _swab_16_(x)
846# define my_htole32(x) _swab_32_(x)
847# define my_letoh32(x) _swab_32_(x)
848# ifdef HAS_QUAD
849# define my_htobe64(x) (x)
850# define my_betoh64(x) (x)
851# define my_htole64(x) _swab_64_(x)
852# define my_letoh64(x) _swab_64_(x)
853# endif
854# define my_htobes(x) (x)
855# define my_betohs(x) (x)
856# define my_htobei(x) (x)
857# define my_betohi(x) (x)
858# define my_htobel(x) (x)
859# define my_betohl(x) (x)
860# if SHORTSIZE == 1
861# define my_htoles(x) (x)
862# define my_letohs(x) (x)
863# elif SHORTSIZE == 2
864# define my_htoles(x) _swab_16_(x)
865# define my_letohs(x) _swab_16_(x)
866# elif SHORTSIZE == 4
867# define my_htoles(x) _swab_32_(x)
868# define my_letohs(x) _swab_32_(x)
869# elif SHORTSIZE == 8
870# define my_htoles(x) _swab_64_(x)
871# define my_letohs(x) _swab_64_(x)
872# else
873# define PERL_NEED_MY_HTOLES
874# define PERL_NEED_MY_LETOHS
875# endif
876# if INTSIZE == 1
877# define my_htolei(x) (x)
878# define my_letohi(x) (x)
879# elif INTSIZE == 2
880# define my_htolei(x) _swab_16_(x)
881# define my_letohi(x) _swab_16_(x)
882# elif INTSIZE == 4
883# define my_htolei(x) _swab_32_(x)
884# define my_letohi(x) _swab_32_(x)
885# elif INTSIZE == 8
886# define my_htolei(x) _swab_64_(x)
887# define my_letohi(x) _swab_64_(x)
888# else
889# define PERL_NEED_MY_HTOLEI
890# define PERL_NEED_MY_LETOHI
891# endif
892# if LONGSIZE == 1
893# define my_htolel(x) (x)
894# define my_letohl(x) (x)
895# elif LONGSIZE == 2
896# define my_htolel(x) _swab_16_(x)
897# define my_letohl(x) _swab_16_(x)
898# elif LONGSIZE == 4
899# define my_htolel(x) _swab_32_(x)
900# define my_letohl(x) _swab_32_(x)
901# elif LONGSIZE == 8
902# define my_htolel(x) _swab_64_(x)
903# define my_letohl(x) _swab_64_(x)
904# else
905# define PERL_NEED_MY_HTOLEL
906# define PERL_NEED_MY_LETOHL
907# endif
908# define my_htolen(p,n) my_swabn(p,n)
909# define my_letohn(p,n) my_swabn(p,n)
910# define my_htoben(p,n) NOOP
911# define my_betohn(p,n) NOOP
912/*----------------------------------------------------------------------------*/
913# else /* all other byte-orders */
914/*----------------------------------------------------------------------------*/
915# define PERL_NEED_MY_HTOLE16
916# define PERL_NEED_MY_LETOH16
917# define PERL_NEED_MY_HTOBE16
918# define PERL_NEED_MY_BETOH16
919# define PERL_NEED_MY_HTOLE32
920# define PERL_NEED_MY_LETOH32
921# define PERL_NEED_MY_HTOBE32
922# define PERL_NEED_MY_BETOH32
923# ifdef HAS_QUAD
924# define PERL_NEED_MY_HTOLE64
925# define PERL_NEED_MY_LETOH64
926# define PERL_NEED_MY_HTOBE64
927# define PERL_NEED_MY_BETOH64
928# endif
929# define PERL_NEED_MY_HTOLES
930# define PERL_NEED_MY_LETOHS
931# define PERL_NEED_MY_HTOBES
932# define PERL_NEED_MY_BETOHS
933# define PERL_NEED_MY_HTOLEI
934# define PERL_NEED_MY_LETOHI
935# define PERL_NEED_MY_HTOBEI
936# define PERL_NEED_MY_BETOHI
937# define PERL_NEED_MY_HTOLEL
938# define PERL_NEED_MY_LETOHL
939# define PERL_NEED_MY_HTOBEL
940# define PERL_NEED_MY_BETOHL
941/*----------------------------------------------------------------------------*/
942# endif /* end of byte-order macros */
943/*----------------------------------------------------------------------------*/
944
9c17f24a
NC		 945/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
946 at least on FreeBSD. YMMV, so experiment. */
947#ifndef PERL_ARENA_SIZE
948#define PERL_ARENA_SIZE 4080
949#endif
950
ccb2c8b8 951/* Maximum level of recursion */
2b9dff67
RGS		 952#ifndef PERL_SUB_DEPTH_WARN
953#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 954#endif
955
1109a392
MHM		 956#endif /* PERL_CORE */
957
bdf3085f
NC		 958/* We no longer default to creating a new SV for GvSV.
959 Do this before embed. */
960#ifndef PERL_CREATE_GVSV
7459f06b
NC		 961# ifndef PERL_DONT_CREATE_GVSV
962# define PERL_DONT_CREATE_GVSV
963# endif
bdf3085f
NC		 964#endif
965
ca0c25f6
NC		 966#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
967#define PERL_USES_PL_PIDSTATUS
968#endif
969
e37778c2 970#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 971#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
972#endif
973
c31fac66
GS		 974#define MEM_SIZE Size_t
975
1936d2a7
NC		 976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
f1200559
WH		 983/* sv_grow() will expand strings by at least a certain percentage of
984 the previously *used* length to avoid excessive calls to realloc().
985 The default is 25% of the current length.
986*/
987#ifndef PERL_STRLEN_EXPAND_SHIFT
988# define PERL_STRLEN_EXPAND_SHIFT 2
989#endif
990
51371543
GS		 991#if defined(STANDARD_C) && defined(I_STDDEF)
992# include <stddef.h>
993# define STRUCT_OFFSET(s,m) offsetof(s,m)
994#else
995# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
996#endif
997
9969cdde 998#ifndef __SYMBIAN32__
27da23d5
JH		 999# if defined(I_STRING) || defined(__cplusplus)
1000# include <string.h>
1001# else
1002# include <strings.h>
1003# endif
51371543
GS		 1004#endif
1005
55497cff 1006/* This comes after <stdlib.h> so we don't try to change the standard
1007 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1008
4633a7c4 1009#ifdef MYMALLOC
86058a2d 1010# ifdef PERL_POLLUTE_MALLOC
ee13e175 1011# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1012# define Perl_malloc malloc
1013# define Perl_calloc calloc
1014# define Perl_realloc realloc
1015# define Perl_mfree free
ee13e175 1016# endif
86058a2d
GS		 1017# else
1018# define EMBEDMYMALLOC /* for compatibility */
1019# endif
827e134a 1020
651b9576
GS		 1021# define safemalloc Perl_malloc
1022# define safecalloc Perl_calloc
1023# define saferealloc Perl_realloc
1024# define safefree Perl_mfree
22f7c9c9
JH		 1025# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1026 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1027 code; \
1028 } STMT_END
1029# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1030 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1031# define panic_write2(s) write(2, s, strlen(s))
1032# define CHECK_MALLOC_TAINT(newval) \
1033 CHECK_MALLOC_TOO_LATE_FOR_( \
1034 if (newval) { \
1035 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1036 exit(1); })
22f7c9c9 1037# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1038 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1039 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1040 }} STMT_END;
f2517201
GS		 1041#else /* MYMALLOC */
1042# define safemalloc safesysmalloc
1043# define safecalloc safesyscalloc
1044# define saferealloc safesysrealloc
1045# define safefree safesysfree
22f7c9c9
JH		 1046# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1047# define CHECK_MALLOC_TAINT(newval) ((void)0)
1048# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1049#endif /* MYMALLOC */
4633a7c4 1050
fe13d51d 1051/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1052#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		 1053#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1054#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1055#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1056
a0d0e21e
LW		 1057#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1058#define strchr index
1059#define strrchr rindex
1060#endif
1061
16d20bd9
AD		 1062#ifdef I_MEMORY
1063# include <memory.h>
1064#endif
1065
fe14fcc3 1066#ifdef HAS_MEMCPY
85e6fe83 1067# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1068# ifndef memcpy
20ce7b12 1069 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1070# endif
1071# endif
1072#else
1073# ifndef memcpy
1074# ifdef HAS_BCOPY
1075# define memcpy(d,s,l) bcopy(s,d,l)
1076# else
1077# define memcpy(d,s,l) my_bcopy(s,d,l)
1078# endif
1079# endif
1080#endif /* HAS_MEMCPY */
fe14fcc3 1081
ee0007ab 1082#ifdef HAS_MEMSET
85e6fe83 1083# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1084# ifndef memset
20ce7b12 1085 extern char *memset (char*, int, int);
ee0007ab
LW		 1086# endif
1087# endif
ee0007ab 1088#else
12ae5dfc 1089# undef memset
fc36a67e 1090# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1091#endif /* HAS_MEMSET */
1092
85e6fe83 1093#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1094# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1095# define memmove(d,s,l) bcopy(s,d,l)
1096# else
2304df62 1097# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1098# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1099# else
79072805 1100# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1101# endif
352d5a3a 1102# endif
d9d8d8de 1103#endif
ee0007ab 1104
36477c24 1105#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1106# undef HAS_MEMCMP
1107#endif
1108
1109#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1110# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1111# ifndef memcmp
20ce7b12 1112 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1113# endif
1114# endif
36477c24 1115# ifdef BUGGY_MSC
7e4e8c89 1116# pragma function(memcmp)
36477c24 1117# endif
ee0007ab
LW		 1118#else
1119# ifndef memcmp
ecfc5424 1120# define memcmp my_memcmp
352d5a3a 1121# endif
36477c24 1122#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1123
fc36a67e 1124#ifndef memzero
c635e13b 1125# ifdef HAS_MEMSET
1126# define memzero(d,l) memset(d,0,l)
79072805 1127# else
c635e13b 1128# ifdef HAS_BZERO
1129# define memzero(d,l) bzero(d,l)
79072805 1130# else
fc36a67e 1131# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1132# endif
1133# endif
d9d8d8de 1134#endif
378cc40b 1135
2f42fcb0 1136#ifndef PERL_MICRO
0f27ced1
JH		 1137#ifndef memchr
1138# ifndef HAS_MEMCHR
1139# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1140# endif
1141#endif
2f42fcb0 1142#endif
0f27ced1 1143
36477c24 1144#ifndef HAS_BCMP
1145# ifndef bcmp
1146# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1147# endif
36477c24 1148#endif /* !HAS_BCMP */
378cc40b 1149
ae986130 1150#ifdef I_NETINET_IN
79072805 1151# include <netinet/in.h>
ae986130
LW		 1152#endif
1153
28e8609d
JH		 1154#ifdef I_ARPA_INET
1155# include <arpa/inet.h>
1156#endif
1157
84902520
TB		 1158#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1159/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1160 * (the neo-BSD seem to do this). */
1161# undef SF_APPEND
1162#endif
1163
1aef975c 1164#ifdef I_SYS_STAT
84902520 1165# include <sys/stat.h>
1aef975c 1166#endif
79072805 1167
287a962e
JD		 1168/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1169 This definition should ideally go into win32/win32.h, but S_IFIFO is
1170 used later here in perl.h before win32/win32.h is being included. */
1171#if !defined(S_IFIFO) && defined(_S_IFIFO)
1172# define S_IFIFO _S_IFIFO
1173#endif
1174
cc3315ba 1175/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1176 like UTekV) are broken, sometimes giving false positives. Undefine
1177 them here and let the code below set them to proper values.
1178
1179 The ghs macro stands for GreenHills Software C-1.8.5 which
1180 is the C compiler for sysV88 and the various derivatives.
1181 This header file bug is corrected in gcc-2.5.8 and later versions.
1182 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1183
cc3315ba 1184#if defined(m88k) && defined(ghs)
79072805
LW		 1185# undef S_ISDIR
1186# undef S_ISCHR
1187# undef S_ISBLK
1188# undef S_ISREG
1189# undef S_ISFIFO
1190# undef S_ISLNK
ee0007ab 1191#endif
135863df 1192
663a0e37
LW		 1193#ifdef I_TIME
1194# include <time.h>
ffed7fef 1195#endif
663a0e37 1196
fe14fcc3 1197#ifdef I_SYS_TIME
85e6fe83 1198# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1199# define KERNEL
1200# endif
1201# include <sys/time.h>
85e6fe83 1202# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1203# undef KERNEL
1204# endif
a687059c 1205#endif
135863df 1206
55497cff 1207#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1208# include <sys/times.h>
d9d8d8de 1209#endif
8d063cd8 1210
fe14fcc3 1211#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1212# undef HAS_STRERROR
663a0e37
LW		 1213#endif
1214
1215#include <errno.h>
1e743fda 1216
acfe0abc 1217#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1218# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1219#endif
1220
8cfab5ff 1221/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1222 * This is important for using IPv6.
8cfab5ff
JH		 1223 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1224 * a bad idea since it breaks send() and recv(). */
1225#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1226# define _SOCKADDR_LEN
1227#endif
1228
da70cfc6 1229#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1230# include <sys/socket.h>
1231# if defined(USE_SOCKS) && defined(I_SOCKS)
1232# if !defined(INCLUDE_PROTOTYPES)
1233# define INCLUDE_PROTOTYPES /* for <socks.h> */
1234# define PERL_SOCKS_NEED_PROTOTYPES
1235# endif
1236# include <socks.h>
1237# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1238# undef INCLUDE_PROTOTYPES
1239# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1240# endif
d460ef45 1241# endif
1e743fda 1242# ifdef I_NETDB
2986a63f
JH		 1243# ifdef NETWARE
1244# include<stdio.h>
1245# endif
1e743fda
JH		 1246# include <netdb.h>
1247# endif
1248# ifndef ENOTSOCK
1249# ifdef I_NET_ERRNO
1250# include <net/errno.h>
1251# endif
1252# endif
1253#endif
1254
fa0a29af 1255/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1256 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1257 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1258#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1259# if defined(__THROW) && defined(__GLIBC__)
1260int sockatmark(int) __THROW;
1261# else
2ef53570 1262int sockatmark(int);
29820b6d 1263# endif
2ef53570
JH		 1264#endif
1265
7e827271 1266#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		 1267EXTERN_C int fchdir(int);
1268EXTERN_C int flock(int, int);
1269EXTERN_C int fseeko(FILE *, off_t, int);
1270EXTERN_C off_t ftello(FILE *);
1271#endif
1272
7e827271 1273#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1274EXTERN_C char *crypt(const char *, const char *);
7e827271 1275EXTERN_C char **environ;
1ccb7c8d
JH		 1276#endif
1277
83a6ff2e 1278#if defined(__cplusplus)
944c4fda 1279# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1280EXTERN_C char **environ;
83a6ff2e 1281# elif defined(__CYGWIN__)
667e2948
SP		 1282EXTERN_C char *crypt(const char *, const char *);
1283#endif
83a6ff2e 1284#endif
667e2948 1285
1e743fda
JH		 1286#ifdef SETERRNO
1287# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1288#endif
f86702cc 1289
1290#ifdef VMS
1291# define SETERRNO(errcode,vmserrcode) \
1292 STMT_START { \
1293 set_errno(errcode); \
1294 set_vaxc_errno(vmserrcode); \
1295 } STMT_END
4ee39169
CS		 1296# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1297# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1298# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1299# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1300
93189314
JH		 1301# define LIB_INVARG LIB$_INVARG
1302# define RMS_DIR RMS$_DIR
1303# define RMS_FAC RMS$_FAC
1304# define RMS_FEX RMS$_FEX
1305# define RMS_FNF RMS$_FNF
1306# define RMS_IFI RMS$_IFI
1307# define RMS_ISI RMS$_ISI
1308# define RMS_PRV RMS$_PRV
1309# define SS_ACCVIO SS$_ACCVIO
1310# define SS_DEVOFFLINE SS$_DEVOFFLINE
1311# define SS_IVCHAN SS$_IVCHAN
1312# define SS_NORMAL SS$_NORMAL
748a9306 1313#else
aba27d88 1314# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1315# define dSAVEDERRNO int saved_errno
1316# define dSAVE_ERRNO int saved_errno = errno
1317# define SAVE_ERRNO (saved_errno = errno)
1318# define RESTORE_ERRNO (errno = saved_errno)
1319
93189314
JH		 1320# define LIB_INVARG 0
1321# define RMS_DIR 0
1322# define RMS_FAC 0
1323# define RMS_FEX 0
1324# define RMS_FNF 0
1325# define RMS_IFI 0
1326# define RMS_ISI 0
1327# define RMS_PRV 0
1328# define SS_ACCVIO 0
1329# define SS_DEVOFFLINE 0
1330# define SS_IVCHAN 0
1331# define SS_NORMAL 0
748a9306 1332#endif
ed6116ce 1333
f5fa9033 1334#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1335
1336#define CLEAR_ERRSV() STMT_START { \
1337 if (!GvSV(PL_errgv)) { \
1338 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1339 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1340 SvREFCNT_dec(GvSV(PL_errgv)); \
1341 GvSV(PL_errgv) = newSVpvs(""); \
1342 } else { \
1343 SV *const errsv = GvSV(PL_errgv); \
1344 sv_setpvs(errsv, ""); \
1345 if (SvMAGICAL(errsv)) { \
1346 mg_free(errsv); \
1347 } \
1348 SvPOK_only(errsv); \
1349 } \
1350 } STMT_END
1351
1352
414bf5ae
MHM		 1353#ifdef PERL_CORE
1354# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1355# define DEFSV_set(sv) \
1356 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1357# define SAVE_DEFSV \
1358 ( \
1359 save_gp(PL_defgv, 0), \
1360 GvINTRO_off(PL_defgv), \
1361 SAVEGENERICSV(GvSV(PL_defgv)), \
1362 GvSV(PL_defgv) = NULL \
1363 )
414bf5ae
MHM		 1364#else
1365# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1366# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1367# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1368#endif
38a03e6e 1369
98eae8f5
GS		 1370#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1371
55497cff 1372#ifndef errno
5ff3f7a4
GS		 1373 extern int errno; /* ANSI allows errno to be an lvalue expr.
1374 * For example in multithreaded environments
1375 * something like this might happen:
1376 * extern int *_errno(void);
1377 * #define errno (*_errno()) */
d9d8d8de 1378#endif
663a0e37 1379
2304df62 1380#ifdef HAS_STRERROR
2242159b 1381#ifndef DONT_DECLARE_STD
a0d0e21e 1382# ifdef VMS
20ce7b12 1383 char *strerror (int,...);
a0d0e21e 1384# else
20ce7b12 1385 char *strerror (int);
a0d0e21e 1386# endif
2242159b 1387#endif
2304df62
AD		 1388# ifndef Strerror
1389# define Strerror strerror
1390# endif
1391#else
1392# ifdef HAS_SYS_ERRLIST
79072805
LW		 1393 extern int sys_nerr;
1394 extern char *sys_errlist[];
2304df62
AD		 1395# ifndef Strerror
1396# define Strerror(e) \
79072805 1397 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1398# endif
79072805 1399# endif
35c8bce7 1400#endif
663a0e37 1401
2304df62 1402#ifdef I_SYS_IOCTL
79072805
LW		 1403# ifndef _IOCTL_
1404# include <sys/ioctl.h>
1405# endif
a687059c
LW		 1406#endif
1407
ee0007ab 1408#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1409# ifdef HAS_SOCKETPAIR
1410# undef HAS_SOCKETPAIR
1411# endif
2304df62
AD		 1412# ifdef I_NDBM
1413# undef I_NDBM
79072805 1414# endif
a687059c
LW		 1415#endif
1416
02fc2eee
NC		 1417#ifndef HAS_SOCKETPAIR
1418# ifdef HAS_SOCKET
1419# define socketpair Perl_my_socketpair
1420# endif
1421#endif
1422
a687059c 1423#if INTSIZE == 2
79072805
LW		 1424# define htoni htons
1425# define ntohi ntohs
a687059c 1426#else
79072805
LW		 1427# define htoni htonl
1428# define ntohi ntohl
a687059c
LW		 1429#endif
1430
a0d0e21e 1431/* Configure already sets Direntry_t */
35c8bce7 1432#if defined(I_DIRENT)
663a0e37 1433# include <dirent.h>
8f1f23e8
W		 1434 /* NeXT needs dirent + sys/dir.h */
1435# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1436# include <sys/dir.h>
1437# endif
ae986130 1438#else
fe14fcc3 1439# ifdef I_SYS_NDIR
79a0689e 1440# include <sys/ndir.h>
663a0e37 1441# else
fe14fcc3 1442# ifdef I_SYS_DIR
79a0689e
LW		 1443# ifdef hp9000s500
1444# include <ndir.h> /* may be wrong in the future */
1445# else
1446# include <sys/dir.h>
1447# endif
663a0e37
LW		 1448# endif
1449# endif
4633a7c4 1450#endif
a687059c 1451
12ae5dfc
JH		 1452#ifdef PERL_MICRO
1453# ifndef DIR
1454# define DIR void
1455# endif
1456#endif
1457
352d5a3a
LW		 1458#ifdef FPUTS_BOTCH
1459/* work around botch in SunOS 4.0.1 and 4.0.2 */
1460# ifndef fputs
79072805 1461# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1462# endif
1463#endif
1464
c623bd54
LW		 1465/*
1466 * The following gobbledygook brought to you on behalf of __STDC__.
1467 * (I could just use #ifndef __STDC__, but this is more bulletproof
1468 * in the face of half-implementations.)
1469 */
1470
7114a2d2 1471#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1472#include <sys/mode.h>
1473#endif
1474
c623bd54
LW		 1475#ifndef S_IFMT
1476# ifdef _S_IFMT
1477# define S_IFMT _S_IFMT
1478# else
1479# define S_IFMT 0170000
1480# endif
1481#endif
1482
1483#ifndef S_ISDIR
1484# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1485#endif
1486
1487#ifndef S_ISCHR
1488# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1489#endif
1490
1491#ifndef S_ISBLK
fe14fcc3
LW		 1492# ifdef S_IFBLK
1493# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1494# else
1495# define S_ISBLK(m) (0)
1496# endif
c623bd54
LW		 1497#endif
1498
1499#ifndef S_ISREG
1500# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1501#endif
1502
1503#ifndef S_ISFIFO
fe14fcc3
LW		 1504# ifdef S_IFIFO
1505# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1506# else
1507# define S_ISFIFO(m) (0)
1508# endif
c623bd54
LW		 1509#endif
1510
1511#ifndef S_ISLNK
1512# ifdef _S_ISLNK
1513# define S_ISLNK(m) _S_ISLNK(m)
1514# else
1515# ifdef _S_IFLNK
1516# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1517# else
1518# ifdef S_IFLNK
1519# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1520# else
1521# define S_ISLNK(m) (0)
1522# endif
1523# endif
1524# endif
1525#endif
1526
1527#ifndef S_ISSOCK
1528# ifdef _S_ISSOCK
1529# define S_ISSOCK(m) _S_ISSOCK(m)
1530# else
1531# ifdef _S_IFSOCK
1532# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1533# else
1534# ifdef S_IFSOCK
1535# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1536# else
1537# define S_ISSOCK(m) (0)
1538# endif
1539# endif
1540# endif
1541#endif
1542
1543#ifndef S_IRUSR
1544# ifdef S_IREAD
1545# define S_IRUSR S_IREAD
1546# define S_IWUSR S_IWRITE
1547# define S_IXUSR S_IEXEC
1548# else
1549# define S_IRUSR 0400
1550# define S_IWUSR 0200
1551# define S_IXUSR 0100
1552# endif
fac7cdfc
JS		 1553#endif
1554
1555#ifndef S_IRGRP
1556# ifdef S_IRUSR
1557# define S_IRGRP (S_IRUSR>>3)
1558# define S_IWGRP (S_IWUSR>>3)
1559# define S_IXGRP (S_IXUSR>>3)
1560# else
1561# define S_IRGRP 0040
1562# define S_IWGRP 0020
1563# define S_IXGRP 0010
1564# endif
1565#endif
1566
1567#ifndef S_IROTH
1568# ifdef S_IRUSR
1569# define S_IROTH (S_IRUSR>>6)
1570# define S_IWOTH (S_IWUSR>>6)
1571# define S_IXOTH (S_IXUSR>>6)
1572# else
1573# define S_IROTH 0040
1574# define S_IWOTH 0020
1575# define S_IXOTH 0010
1576# endif
c623bd54
LW		 1577#endif
1578
1579#ifndef S_ISUID
1580# define S_ISUID 04000
1581#endif
1582
1583#ifndef S_ISGID
1584# define S_ISGID 02000
1585#endif
1586
ca6e1c26
JH		 1587#ifndef S_IRWXU
1588# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1589#endif
ca6e1c26
JH		 1590
1591#ifndef S_IRWXG
1592# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1593#endif
ca6e1c26
JH		 1594
1595#ifndef S_IRWXO
1596# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1597#endif
ca6e1c26 1598
df00ff3b 1599/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1600 * which would get included through <sys/file.h >, but that is 3000
1601 * lines in the future. --jhi */
1602
df00ff3b 1603#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1604# define S_IREAD S_IRUSR
1605#endif
1606
df00ff3b 1607#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1608# define S_IWRITE S_IWUSR
1609#endif
1610
1611#ifndef S_IEXEC
1612# define S_IEXEC S_IXUSR
1613#endif
1614
79072805
LW		 1615#ifdef ff_next
1616# undef ff_next
352d5a3a
LW		 1617#endif
1618
a0d0e21e 1619#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1620# define SLOPPYDIVIDE
1621#endif
1622
748a9306
LW		 1623#ifdef UV
1624#undef UV
1625#endif
1626
ce582cee
NC		 1627/* For the times when you want the return value of sprintf, and you want it
1628 to be the length. Can't have a thread variable passed in, because C89 has
1629 no varargs macros.
1630*/
1631#ifdef SPRINTF_RETURNS_STRLEN
1632# define my_sprintf sprintf
1633#else
1634# define my_sprintf Perl_my_sprintf
1635#endif
1636
5b692037
JH		 1637/*
1638 * If we have v?snprintf() and the C99 variadic macros, we can just
1639 * use just the v?snprintf(). It is nice to try to trap the buffer
1640 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1641 * gcc statement expressions, then use the function wrappers which try
1642 * to trap the overflow. If we can use the gcc statement expressions,
1643 * we can try that even with the version that uses the C99 variadic
1644 * macros.
5b692037
JH		 1645 */
1646
1208b3dd
JH		 1647/* Note that we do not check against snprintf()/vsnprintf() returning
1648 * negative values because that is non-standard behaviour and we use
1649 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1650 * that should be true only if the snprintf()/vsnprintf() are true
1651 * to the standard. */
1652
dfeee9b1 1653#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1654# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1655# 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 1656# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1657# else
1658# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1659# endif
1660#else
1661# define my_snprintf Perl_my_snprintf
1208b3dd 1662# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1663#endif
1664
dfeee9b1 1665#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1666# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1667# 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 1668# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1669# else
1670# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1671# endif
1672#else
1673# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1674# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1675#endif
d9fad198 1676
a6cc4119
SP		 1677#ifdef HAS_STRLCAT
1678# define my_strlcat strlcat
1679#else
1680# define my_strlcat Perl_my_strlcat
1681#endif
1682
1683#ifdef HAS_STRLCPY
1684# define my_strlcpy strlcpy
1685#else
1686# define my_strlcpy Perl_my_strlcpy
1687#endif
1688
05f13f53 1689/*
27d4fb96 1690 The IV type is supposed to be long enough to hold any integral
1691 value or a pointer.
1692 --Andy Dougherty August 1996
1693*/
1694
a22e52b9
JH		 1695typedef IVTYPE IV;
1696typedef UVTYPE UV;
8175356b 1697
10cc9d2a 1698#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1699# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1700# define IV_MAX INT64_MAX
1701# define IV_MIN INT64_MIN
1702# define UV_MAX UINT64_MAX
cae7ae48
JH		 1703# ifndef UINT64_MIN
1704# define UINT64_MIN 0
1705# endif
5ff3f7a4
GS		 1706# define UV_MIN UINT64_MIN
1707# else
1708# define IV_MAX PERL_QUAD_MAX
1709# define IV_MIN PERL_QUAD_MIN
1710# define UV_MAX PERL_UQUAD_MAX
1711# define UV_MIN PERL_UQUAD_MIN
1712# endif
cf2093f6
JH		 1713# define IV_IS_QUAD
1714# define UV_IS_QUAD
79072805 1715#else
8175356b 1716# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1717# define IV_MAX INT32_MAX
1718# define IV_MIN INT32_MIN
716026f9
DL		 1719# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1720# define UV_MAX UINT32_MAX
1721# else
1722# define UV_MAX 4294967295U
1723# endif
cae7ae48
JH		 1724# ifndef UINT32_MIN
1725# define UINT32_MIN 0
1726# endif
5ff3f7a4
GS		 1727# define UV_MIN UINT32_MIN
1728# else
1729# define IV_MAX PERL_LONG_MAX
1730# define IV_MIN PERL_LONG_MIN
1731# define UV_MAX PERL_ULONG_MAX
1732# define UV_MIN PERL_ULONG_MIN
1733# endif
8175356b 1734# if IVSIZE == 8
cf2093f6
JH		 1735# define IV_IS_QUAD
1736# define UV_IS_QUAD
de1c2614
JH		 1737# ifndef HAS_QUAD
1738# define HAS_QUAD
1739# endif
cf2093f6
JH		 1740# else
1741# undef IV_IS_QUAD
1742# undef UV_IS_QUAD
de1c2614 1743# undef HAS_QUAD
cf2093f6 1744# endif
79072805 1745#endif
d7d93a81 1746
1109a392
MHM		 1747#ifndef HAS_QUAD
1748# undef PERL_NEED_MY_HTOLE64
1749# undef PERL_NEED_MY_LETOH64
1750# undef PERL_NEED_MY_HTOBE64
1751# undef PERL_NEED_MY_BETOH64
1752#endif
1753
cae7ae48 1754#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1755#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1756
28e5dec8 1757#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1758#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1759#endif
1760
d460ef45 1761/*
26bb67e2
JH		 1762 * The macros INT2PTR and NUM2PTR are (despite their names)
1763 * bi-directional: they will convert int/float to or from pointers.
1764 * However the conversion to int/float are named explicitly:
1765 * PTR2IV, PTR2UV, PTR2NV.
1766 *
1767 * For int conversions we do not need two casts if pointers are
1768 * the same size as IV and UV. Otherwise we need an explicit
1769 * cast (PTRV) to avoid compiler warnings.
1770 */
56431972
RB		 1771#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1772# define PTRV UV
1773# define INT2PTR(any,d) (any)(d)
1774#else
d460ef45 1775# if PTRSIZE == LONGSIZE
56431972 1776# define PTRV unsigned long
e91e3b10 1777# define PTR2ul(p) (unsigned long)(p)
42718184 1778# else
56431972 1779# define PTRV unsigned
42718184 1780# endif
e91e3b10
RB		 1781#endif
1782
1783#ifndef INT2PTR
56431972 1784# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1785#endif
e91e3b10
RB		 1786
1787#ifndef PTR2ul
1788# define PTR2ul(p) INT2PTR(unsigned long,p)
1789#endif
1790
56431972
RB		 1791#define NUM2PTR(any,d) (any)(PTRV)(d)
1792#define PTR2IV(p) INT2PTR(IV,p)
1793#define PTR2UV(p) INT2PTR(UV,p)
1794#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1795#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1796
8141890a
JH		 1797/* According to strict ANSI C89 one cannot freely cast between
1798 * data pointers and function (code) pointers. There are at least
1799 * two ways around this. One (used below) is to do two casts,
1800 * first the other pointer to an (unsigned) integer, and then
1801 * the integer to the other pointer. The other way would be
1802 * to use unions to "overlay" the pointers. For an example of
1803 * the latter technique, see union dirpu in struct xpvio in sv.h.
1804 * The only feasible use is probably temporarily storing
1805 * function pointers in a data pointer (such as a void pointer). */
1806
e91e3b10
RB		 1807#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1808#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1809
65202027 1810#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1811# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1812# define LONG_DOUBLE_EQUALS_DOUBLE
1813# endif
68d4903c 1814# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1815# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1816# endif
1817#endif
1818
2d4389e4
JH		 1819#ifdef OVR_DBL_DIG
1820/* Use an overridden DBL_DIG */
1821# ifdef DBL_DIG
1822# undef DBL_DIG
1823# endif
1824# define DBL_DIG OVR_DBL_DIG
1825#else
1826/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1827 default value for printing floating point numbers in Gconvert
1828 (see config.h). (It also has other uses, such as figuring out if
1829 a given precision of printing can be done with a double instead of
1830 a long double - Allen).
2d4389e4
JH		 1831*/
1832#ifdef I_LIMITS
1833#include <limits.h>
1834#endif
1835#ifdef I_FLOAT
1836#include <float.h>
1837#endif
1838#ifndef HAS_DBL_DIG
1839#define DBL_DIG 15 /* A guess that works lots of places */
1840#endif
1841#endif
1842
1843#ifdef OVR_LDBL_DIG
1844/* Use an overridden LDBL_DIG */
1845# ifdef LDBL_DIG
1846# undef LDBL_DIG
1847# endif
1848# define LDBL_DIG OVR_LDBL_DIG
1849#else
1850/* The following is all to get LDBL_DIG, in order to pick a nice
1851 default value for printing floating point numbers in Gconvert.
1852 (see config.h)
1853*/
68d4903c
JH		 1854# ifdef I_LIMITS
1855# include <limits.h>
1856# endif
1857# ifdef I_FLOAT
1858# include <float.h>
1859# endif
1860# ifndef HAS_LDBL_DIG
1861# if LONG_DOUBLESIZE == 10
1862# define LDBL_DIG 18 /* assume IEEE */
1863# else
1864# if LONG_DOUBLESIZE == 12
1865# define LDBL_DIG 18 /* gcc? */
1866# else
1867# if LONG_DOUBLESIZE == 16
1868# define LDBL_DIG 33 /* assume IEEE */
1869# else
1870# if LONG_DOUBLESIZE == DOUBLESIZE
1871# define LDBL_DIG DBL_DIG /* bummer */
1872# endif
1873# endif
1874# endif
1875# endif
1876# endif
2d4389e4
JH		 1877#endif
1878
20f6aaab
AS		 1879/*
1880 * This is for making sure we have a good DBL_MAX value, if possible,
1881 * either for usage as NV_MAX or for usage in figuring out if we can
1882 * fit a given long double into a double, if bug-fixing makes it
1883 * necessary to do so. - Allen <allens@cpan.org>
1884 */
1885
205f51d8
AS		 1886#ifdef I_LIMITS
1887# include <limits.h>
20f6aaab
AS		 1888#endif
1889
205f51d8
AS		 1890#ifdef I_VALUES
1891# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1892# include <values.h>
1893# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1894# define DBL_MAX MAXDOUBLE
1895# endif
1896# if defined(MINDOUBLE) && !defined(DBL_MIN)
1897# define DBL_MIN MINDOUBLE
1898# endif
1899# endif
1900#endif /* defined(I_VALUES) */
1901
a22e52b9 1902typedef NVTYPE NV;
8175356b 1903
792d8dab
JH		 1904#ifdef I_IEEEFP
1905# include <ieeefp.h>
1906#endif
923fc586 1907
65202027 1908#ifdef USE_LONG_DOUBLE
923fc586
JH		 1909# ifdef I_SUNMATH
1910# include <sunmath.h>
1911# endif
2d4389e4 1912# define NV_DIG LDBL_DIG
d6c14000
JH		 1913# ifdef LDBL_MANT_DIG
1914# define NV_MANT_DIG LDBL_MANT_DIG
1915# endif
06fc1729
JH		 1916# ifdef LDBL_MIN
1917# define NV_MIN LDBL_MIN
1918# endif
1919# ifdef LDBL_MAX
1920# define NV_MAX LDBL_MAX
1921# endif
1922# ifdef LDBL_MIN_10_EXP
1923# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1924# endif
1925# ifdef LDBL_MAX_10_EXP
1926# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1927# endif
1928# ifdef LDBL_EPSILON
1929# define NV_EPSILON LDBL_EPSILON
1930# endif
f4a14a62
JH		 1931# ifdef LDBL_MAX
1932# define NV_MAX LDBL_MAX
20f6aaab 1933/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1934# else
1935# ifdef HUGE_VALL
1936# define NV_MAX HUGE_VALL
1937# else
1938# ifdef HUGE_VAL
1939# define NV_MAX ((NV)HUGE_VAL)
1940# endif
1941# endif
1942# endif
68d4903c 1943# ifdef HAS_SQRTL
68d4903c
JH		 1944# define Perl_cos cosl
1945# define Perl_sin sinl
1946# define Perl_sqrt sqrtl
1947# define Perl_exp expl
1948# define Perl_log logl
1949# define Perl_atan2 atan2l
1950# define Perl_pow powl
1951# define Perl_floor floorl
1bbae031 1952# define Perl_ceil ceill
68d4903c
JH		 1953# define Perl_fmod fmodl
1954# endif
a3540c92
JH		 1955/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1956# ifdef HAS_MODFL
1957# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1958/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1959 prototype in <math.h> */
1960# ifndef HAS_MODFL_PROTO
a221a8a5 1961EXTERN_C long double modfl(long double, long double *);
51997bc3 1962# endif
03476e8e
JH		 1963# else
1964# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1965 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1966# define Perl_modf(x,y) Perl_my_modfl(x,y)
1967# endif
a3540c92
JH		 1968# endif
1969# ifdef HAS_FREXPL
dff3e0b8 1970# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1971# else
1972# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1973 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1974# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1975# endif
a3540c92 1976# endif
38dbb4c5 1977# ifndef Perl_isnan
758a5d79
JH		 1978# ifdef HAS_ISNANL
1979# define Perl_isnan(x) isnanl(x)
1980# endif
1981# endif
1982# ifndef Perl_isinf
1983# ifdef HAS_FINITEL
1984# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1985# endif
1986# endif
65202027 1987#else
2d4389e4 1988# define NV_DIG DBL_DIG
d6c14000
JH		 1989# ifdef DBL_MANT_DIG
1990# define NV_MANT_DIG DBL_MANT_DIG
1991# endif
06fc1729
JH		 1992# ifdef DBL_MIN
1993# define NV_MIN DBL_MIN
1994# endif
1995# ifdef DBL_MAX
1996# define NV_MAX DBL_MAX
1997# endif
1998# ifdef DBL_MIN_10_EXP
1999# define NV_MIN_10_EXP DBL_MIN_10_EXP
2000# endif
2001# ifdef DBL_MAX_10_EXP
2002# define NV_MAX_10_EXP DBL_MAX_10_EXP
2003# endif
2004# ifdef DBL_EPSILON
2005# define NV_EPSILON DBL_EPSILON
2006# endif
205f51d8 2007# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2008# define NV_MAX DBL_MAX
2009# define NV_MIN DBL_MIN
2010# else
2011# ifdef HUGE_VAL
2012# define NV_MAX HUGE_VAL
2013# endif
2014# endif
65202027
DS		 2015# define Perl_cos cos
2016# define Perl_sin sin
2017# define Perl_sqrt sqrt
2018# define Perl_exp exp
2019# define Perl_log log
2020# define Perl_atan2 atan2
2021# define Perl_pow pow
2022# define Perl_floor floor
1bbae031 2023# define Perl_ceil ceil
65202027 2024# define Perl_fmod fmod
a3540c92 2025# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2026# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2027#endif
2028
2029/* rumor has it that Win32 has _fpclass() */
2030
205f51d8
AS		 2031/* SGI has fpclassl... but not with the same result values,
2032 * and it's via a typedef (not via #define), so will need to redo Configure
2033 * to use. Not worth the trouble, IMO, at least until the below is used
2034 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2035 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2036 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2037
758a5d79
JH		 2038#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2039# ifdef I_IEEFP
2040# include <ieeefp.h>
2041# endif
2042# ifdef I_FP
2043# include <fp.h>
2044# endif
2045# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2046# define Perl_fp_class() fpclassl(x)
2047# else
2048# define Perl_fp_class() fpclass(x)
2049# endif
2050# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2051# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2052# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2053# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2054# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2055# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2056# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2057# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2058# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2059# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2060# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2061# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2062# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2063# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2064# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2065#endif
2066
7114a2d2 2067#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2068# include <math.h>
2069# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2070# include <fp_class.h>
2071# endif
2072# define Perl_fp_class(x) fp_class(x)
2073# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2074# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2075# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2076# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2077# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2078# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2079# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2080# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2081# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2082# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2083# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2084# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2085# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2086# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2087# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2088#endif
2089
2090#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2091# include <math.h>
2092# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2093# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2094# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2095# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2096# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2097# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2098#endif
2099
2100#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2101# include <math.h>
2102# ifndef _cplusplus
2103# define Perl_fp_class(x) class(x)
2104# else
2105# define Perl_fp_class(x) _class(x)
2106# endif
2107# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2108# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2109# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2110# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2111# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2112# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2113# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2114# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2115# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2116# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2117# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2118# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2119# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2120# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2121# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2122#endif
2123
2124/* rumor has it that Win32 has _isnan() */
2125
2126#ifndef Perl_isnan
a3540c92 2127# ifdef HAS_ISNAN
758a5d79
JH		 2128# define Perl_isnan(x) isnan((NV)x)
2129# else
2130# ifdef Perl_fp_class_nan
2131# define Perl_isnan(x) Perl_fp_class_nan(x)
2132# else
2133# ifdef HAS_UNORDERED
2134# define Perl_isnan(x) unordered((x), 0.0)
2135# else
2136# define Perl_isnan(x) ((x)!=(x))
2137# endif
2138# endif
2139# endif
2140#endif
2141
ca6c63e1
JH		 2142#ifdef UNDER_CE
2143int isnan(double d);
2144#endif
2145
758a5d79
JH		 2146#ifndef Perl_isinf
2147# ifdef HAS_ISINF
2148# define Perl_isinf(x) isinf((NV)x)
a3540c92 2149# else
758a5d79
JH		 2150# ifdef Perl_fp_class_inf
2151# define Perl_isinf(x) Perl_fp_class_inf(x)
2152# else
2153# define Perl_isinf(x) ((x)==NV_INF)
2154# endif
2155# endif
2156#endif
2157
2158#ifndef Perl_isfinite
2159# ifdef HAS_FINITE
2160# define Perl_isfinite(x) finite((NV)x)
2161# else
2162# ifdef HAS_ISFINITE
2163# define Perl_isfinite(x) isfinite(x)
2164# else
2165# ifdef Perl_fp_class_finite
2166# define Perl_isfinite(x) Perl_fp_class_finite(x)
2167# else
2168# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2169# endif
2170# endif
a3540c92 2171# endif
65202027
DS		 2172#endif
2173
a36244b7
JH		 2174/* The default is to use Perl's own atof() implementation (in numeric.c).
2175 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2176 * it is however best to use the native implementation of atof.
2177 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2178 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2179 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2180 * you may need to be using a different function than atof! */
a36244b7
JH		 2181
2182#ifndef USE_PERL_ATOF
2183# ifndef _UNICOS
2184# define USE_PERL_ATOF
2185# endif
2186#else
2187# if USE_PERL_ATOF == 0
2188# undef USE_PERL_ATOF
2189# endif
2190#endif
2191
2192#ifdef USE_PERL_ATOF
2193# define Perl_atof(s) Perl_my_atof(s)
2194# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2195#else
2196# define Perl_atof(s) (NV)atof(s)
2197# define Perl_atof2(s, n) ((n) = atof(s))
2198#endif
cf2093f6 2199
d460ef45 2200/* Previously these definitions used hardcoded figures.
760ac839
LW		 2201 * It is hoped these formula are more portable, although
2202 * no data one way or another is presently known to me.
2203 * The "PERL_" names are used because these calculated constants
2204 * do not meet the ANSI requirements for LONG_MAX, etc., which
2205 * need to be constants acceptable to #if - kja
2206 * define PERL_LONG_MAX 2147483647L
2207 * define PERL_LONG_MIN (-LONG_MAX - 1)
2208 * define PERL ULONG_MAX 4294967295L
2209 */
2210
2211#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2212# include <limits.h>
760ac839 2213#endif
205f51d8 2214/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2215 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2216
99abf803 2217/*
2218 * Try to figure out max and min values for the integral types. THE CORRECT
2219 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2220 * following hacks are used if neither limits.h or values.h provide them:
2221 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2222 * for types < int: (unsigned TYPE)~(unsigned)0
2223 * The argument to ~ must be unsigned so that later signed->unsigned
2224 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2225 * and it must not be smaller than int because ~ does integral promotion.
2226 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2227 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2228 * The latter is a hack which happens to work on some machines but
2229 * does *not* catch any random system, or things like integer types
2230 * with NaN if that is possible.
2231 *
2232 * All of the types are explicitly cast to prevent accidental loss of
2233 * numeric range, and in the hope that they will be less likely to confuse
2234 * over-eager optimizers.
2235 *
2236 */
27d4fb96 2237
99abf803 2238#define PERL_UCHAR_MIN ((unsigned char)0)
2239
2240#ifdef UCHAR_MAX
2241# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2242#else
99abf803 2243# ifdef MAXUCHAR
2244# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2245# else
99abf803 2246# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2247# endif
2248#endif
d460ef45 2249
99abf803 2250/*
2251 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2252 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2253 * depending on local options. Until Configure detects this (or at least
2254 * detects whether the "signed" keyword is available) the CHAR ranges
2255 * will not be included. UCHAR functions normally.
2256 * - kja
2257 */
27d4fb96 2258
99abf803 2259#define PERL_USHORT_MIN ((unsigned short)0)
2260
2261#ifdef USHORT_MAX
2262# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2263#else
99abf803 2264# ifdef MAXUSHORT
2265# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2266# else
ef2f54b0
CB		 2267# ifdef USHRT_MAX
2268# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2269# else
2270# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2271# endif
27d4fb96 2272# endif
2273#endif
2274
27d4fb96 2275#ifdef SHORT_MAX
99abf803 2276# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2277#else
2278# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2279# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2280# else
ef2f54b0
CB		 2281# ifdef SHRT_MAX
2282# define PERL_SHORT_MAX ((short)SHRT_MAX)
2283# else
2284# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2285# endif
27d4fb96 2286# endif
2287#endif
2288
2289#ifdef SHORT_MIN
99abf803 2290# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2291#else
2292# ifdef MINSHORT
99abf803 2293# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2294# else
ef2f54b0
CB		 2295# ifdef SHRT_MIN
2296# define PERL_SHORT_MIN ((short)SHRT_MIN)
2297# else
2298# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2299# endif
27d4fb96 2300# endif
2301#endif
2302
99abf803 2303#ifdef UINT_MAX
2304# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2305#else
99abf803 2306# ifdef MAXUINT
2307# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2308# else
99abf803 2309# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2310# endif
2311#endif
2312
99abf803 2313#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2314
2315#ifdef INT_MAX
99abf803 2316# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2317#else
2318# ifdef MAXINT /* Often used in <values.h> */
99abf803 2319# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2320# else
99abf803 2321# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2322# endif
2323#endif
2324
2325#ifdef INT_MIN
99abf803 2326# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2327#else
2328# ifdef MININT
99abf803 2329# define PERL_INT_MIN ((int)MININT)
27d4fb96 2330# else
2331# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2332# endif
2333#endif
2334
99abf803 2335#ifdef ULONG_MAX
2336# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2337#else
99abf803 2338# ifdef MAXULONG
2339# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2340# else
99abf803 2341# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2342# endif
2343#endif
2344
99abf803 2345#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2346
760ac839 2347#ifdef LONG_MAX
99abf803 2348# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2349#else
2350# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2351# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2352# else
99abf803 2353# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2354# endif
2355#endif
2356
2357#ifdef LONG_MIN
99abf803 2358# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2359#else
2360# ifdef MINLONG
99abf803 2361# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2362# else
27d4fb96 2363# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2364# endif
2365#endif
2366
d7d93a81 2367#ifdef UV_IS_QUAD
99abf803 2368
99abf803 2369# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2370# define PERL_UQUAD_MIN ((UV)0)
99abf803 2371# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2372# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2373
79072805
LW		 2374#endif
2375
830247a4 2376struct RExC_state_t;
8e11feef 2377struct _reg_trie_data;
880b20b6 2378
ee0007ab 2379typedef MEM_SIZE STRLEN;
450a55e4 2380
598921a7
NC		 2381#ifdef PERL_MAD
2382typedef struct token TOKEN;
2383typedef struct madprop MADPROP;
2384typedef struct nexttoken NEXTTOKE;
2385#endif
79072805
LW		 2386typedef struct op OP;
2387typedef struct cop COP;
2388typedef struct unop UNOP;
2389typedef struct binop BINOP;
2390typedef struct listop LISTOP;
2391typedef struct logop LOGOP;
79072805
LW		 2392typedef struct pmop PMOP;
2393typedef struct svop SVOP;
7934575e 2394typedef struct padop PADOP;
79072805 2395typedef struct pvop PVOP;
79072805
LW		 2396typedef struct loop LOOP;
2397
7aef8e5b 2398#ifdef PERL_CORE
8be227ab
FC		 2399typedef struct opslab OPSLAB;
2400typedef struct opslot OPSLOT;
2401#endif
2402
52db365a 2403typedef struct block_hooks BHK;
1830b3d9 2404typedef struct custom_op XOP;
52db365a 2405
cd1541b2
NC		 2406typedef struct interpreter PerlInterpreter;
2407
d2b3f365 2408/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2409#if defined(__sgi)
d2b3f365 2410# define STRUCT_SV perl_sv
b8d3c5db
JH		 2411#else
2412# define STRUCT_SV sv
2413#endif
2414typedef struct STRUCT_SV SV;
79072805
LW		 2415typedef struct av AV;
2416typedef struct hv HV;
2417typedef struct cv CV;
d2f13c59 2418typedef struct p5rx REGEXP;
79072805 2419typedef struct gp GP;
0c30d9ec 2420typedef struct gv GV;
8990e307 2421typedef struct io IO;
c09156bb 2422typedef struct context PERL_CONTEXT;
79072805
LW		 2423typedef struct block BLOCK;
2424
2425typedef struct magic MAGIC;
2426typedef struct xpv XPV;
2427typedef struct xpviv XPVIV;
ff68c719 2428typedef struct xpvuv XPVUV;
79072805
LW		 2429typedef struct xpvnv XPVNV;
2430typedef struct xpvmg XPVMG;
2431typedef struct xpvlv XPVLV;
2432typedef struct xpvav XPVAV;
2433typedef struct xpvhv XPVHV;
2434typedef struct xpvgv XPVGV;
2435typedef struct xpvcv XPVCV;
2436typedef struct xpvbm XPVBM;
2437typedef struct xpvfm XPVFM;
8990e307 2438typedef struct xpvio XPVIO;
79072805
LW		 2439typedef struct mgvtbl MGVTBL;
2440typedef union any ANY;
5f7fde29
GS		 2441typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2442typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2443typedef struct clone_params CLONE_PARAMS;
2444
35e035cc 2445/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2446 * so hide the type. */
2447typedef struct padlist PADLIST;
67634234 2448typedef AV PAD;
35e035cc
FC		 2449typedef AV PADNAMELIST;
2450typedef SV PADNAME;
67634234 2451
378cc40b 2452#include "handy.h"
a0d0e21e 2453
6b8eaf93 2454#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2455# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2456# define USE_64_BIT_RAWIO /* implicit */
2457# endif
4564133c
JH		 2458#endif
2459
6b8eaf93
JH		 2460/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2461 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2462 * however, because operating systems like to do that themself. */
2463#ifndef FSEEKSIZE
2464# ifdef HAS_FSEEKO
2465# define FSEEKSIZE LSEEKSIZE
2466# else
2467# define FSEEKSIZE LONGSIZE
d460ef45 2468# endif
6b8eaf93
JH		 2469#endif
2470
2471#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2472# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2473# define USE_64_BIT_STDIO /* implicit */
2474# endif
2475#endif
4564133c 2476
09458382 2477#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2478# ifdef HAS_OFF64_T
2479# undef Off_t
2480# define Off_t off64_t
2481# undef LSEEKSIZE
2482# define LSEEKSIZE 8
5ff3f7a4 2483# endif
d9b3e12d
JH		 2484/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2485 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2486 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2487# if defined(USE_OPEN64)
2488# define open open64
5ff3f7a4 2489# endif
d9b3e12d
JH		 2490# if defined(USE_LSEEK64)
2491# define lseek lseek64
6b8eaf93
JH		 2492# else
2493# if defined(USE_LLSEEK)
2494# define lseek llseek
2495# endif
d9b3e12d
JH		 2496# endif
2497# if defined(USE_STAT64)
2498# define stat stat64
2499# endif
2500# if defined(USE_FSTAT64)
2501# define fstat fstat64
2502# endif
2503# if defined(USE_LSTAT64)
2504# define lstat lstat64
2505# endif
2506# if defined(USE_FLOCK64)
2507# define flock flock64
2508# endif
2509# if defined(USE_LOCKF64)
2510# define lockf lockf64
2511# endif
2512# if defined(USE_FCNTL64)
2513# define fcntl fcntl64
2514# endif
2515# if defined(USE_TRUNCATE64)
2516# define truncate truncate64
2517# endif
2518# if defined(USE_FTRUNCATE64)
2519# define ftruncate ftruncate64
2520# endif
2521#endif
2522
2523#ifdef USE_64_BIT_STDIO
2524# ifdef HAS_FPOS64_T
2525# undef Fpos_t
2526# define Fpos_t fpos64_t
2527# endif
2528/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2529 * will trigger defines like the ones below. Some 64-bit environments,
2530 * however, do not. */
2531# if defined(USE_FOPEN64)
2532# define fopen fopen64
2533# endif
2534# if defined(USE_FSEEK64)
6b8eaf93 2535# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2536# endif
2537# if defined(USE_FTELL64)
6b8eaf93 2538# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2539# endif
2540# if defined(USE_FSETPOS64)
2541# define fsetpos fsetpos64
2542# endif
2543# if defined(USE_FGETPOS64)
2544# define fgetpos fgetpos64
2545# endif
2546# if defined(USE_TMPFILE64)
2547# define tmpfile tmpfile64
2548# endif
2549# if defined(USE_FREOPEN64)
2550# define freopen freopen64
5ff3f7a4
GS		 2551# endif
2552#endif
2553
e37778c2 2554#if defined(OS2)
2c2d71f5
JH		 2555# include "iperlsys.h"
2556#endif
2557
748a9306 2558#ifdef DOSISH
19848b3f
JH		 2559# if defined(OS2)
2560# include "os2ish.h"
2561# else
2562# include "dosish.h"
2563# endif
2564# define ISHISH "dos"
2565#endif
2566
2567#if defined(VMS)
748a9306 2568# include "vmsish.h"
19848b3f
JH		 2569# define ISHISH "vms"
2570#endif
2571
2572#if defined(PLAN9)
2573# include "./plan9/plan9ish.h"
2574# define ISHISH "plan9"
2575#endif
2576
19848b3f 2577#if defined(__VOS__)
196918b0
PG		 2578# ifdef __GNUC__
2579# include "./vos/vosish.h"
2580# else
2581# include "vos/vosish.h"
2582# endif
19848b3f
JH		 2583# define ISHISH "vos"
2584#endif
2585
2586#if defined(EPOC)
2587# include "epocish.h"
2588# define ISHISH "epoc"
2589#endif
2590
9969cdde 2591#ifdef __SYMBIAN32__
27da23d5 2592# include "symbian/symbianish.h"
27da23d5
JH		 2593# define ISHISH "symbian"
2594#endif
2595
19848b3f 2596
df00ff3b
IW		 2597#if defined(__HAIKU__)
2598# include "haiku/haikuish.h"
2599# define ISHISH "haiku"
2600#elif defined(__BEOS__)
efca5cc6
JH		 2601# include "beos/beosish.h"
2602# define ISHISH "beos"
2603#endif
2604
19848b3f
JH		 2605#ifndef ISHISH
2606# include "unixish.h"
2607# define ISHISH "unix"
13b6e58c
JH		 2608#endif
2609
2946a158
JH		 2610/* NSIG logic from Configure --> */
2611/* Strange style to avoid deeply-nested #if/#else/#endif */
2612#ifndef NSIG
2613# ifdef _NSIG
2614# define NSIG (_NSIG)
2615# endif
2616#endif
2617
2618#ifndef NSIG
2619# ifdef SIGMAX
2620# define NSIG (SIGMAX+1)
2621# endif
2622#endif
2623
2624#ifndef NSIG
2625# ifdef SIG_MAX
2626# define NSIG (SIG_MAX+1)
2627# endif
2628#endif
2629
2630#ifndef NSIG
2631# ifdef _SIG_MAX
2632# define NSIG (_SIG_MAX+1)
2633# endif
2634#endif
2635
2636#ifndef NSIG
2637# ifdef MAXSIG
2638# define NSIG (MAXSIG+1)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef MAX_SIG
2644# define NSIG (MAX_SIG+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIGARRAYSIZE
2650# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef _sys_nsig
2656# define NSIG (_sys_nsig) /* Solaris 2.5 */
2657# endif
2658#endif
2659
2660/* Default to some arbitrary number that's big enough to get most
2661 of the common signals.
2662*/
2663#ifndef NSIG
2664# define NSIG 50
2665#endif
2666/* <-- NSIG logic from Configure */
2667
13b6e58c
JH		 2668#ifndef NO_ENVIRON_ARRAY
2669# define USE_ENVIRON_ARRAY
2670#endif
32f822de 2671
c77b533b
JH		 2672/*
2673 * initialise to avoid floating-point exceptions from overflow, etc
2674 */
2675#ifndef PERL_FPU_INIT
2676# ifdef HAS_FPSETMASK
2677# if HAS_FLOATINGPOINT_H
2678# include <floatingpoint.h>
2679# endif
ad3a8c67
NC		 2680/* Some operating systems have this as a macro, which in turn expands to a comma
2681 expression, and the last sub-expression is something that gets calculated,
2682 and then they have the gall to warn that a value computed is not used. Hence
2683 cast to void. */
2684# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2685# else
2f42fcb0 2686# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2687# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2688# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2689# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2690# else
2691# define PERL_FPU_INIT
2f42fcb0 2692
7014c407 2693# endif
c77b533b
JH		 2694# endif
2695#endif
b35112e7
CS		 2696#ifndef PERL_FPU_PRE_EXEC
2697# define PERL_FPU_PRE_EXEC {
2698# define PERL_FPU_POST_EXEC }
2699#endif
c77b533b 2700
cbec8ebe
DM		 2701#ifndef PERL_SYS_INIT3_BODY
2702# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2703#endif
2704
eb533572 2705/*
4ad9e498 2706=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2707Provides system-specific tune up of the C runtime environment necessary to
2708run Perl interpreters. This should be called only once, before creating
2709any Perl interpreters.
2710
4ad9e498 2711=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2712Provides system-specific tune up of the C runtime environment necessary to
2713run Perl interpreters. This should be called only once, before creating
2714any Perl interpreters.
2715
2716=for apidoc Am|void|PERL_SYS_TERM|
2717Provides system-specific clean up of the C runtime environment after
2718running Perl interpreters. This should be called only once, after
2719freeing any remaining Perl interpreters.
2720
2721=cut
2722 */
2723
cbec8ebe
DM		 2724#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2725#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2726#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2727
be708cc0
JH		 2728#ifndef PERL_WRITE_MSG_TO_CONSOLE
2729# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2730#endif
2731
0f31cffe
GS		 2732#ifndef MAXPATHLEN
2733# ifdef PATH_MAX
b990c8b2
JH		 2734# ifdef _POSIX_PATH_MAX
2735# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2736/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2737 * included the null byte or not. Later amendments of POSIX,
2738 * XPG4, the Austin Group, and the Single UNIX Specification
2739 * all explicitly include the null byte in the PATH_MAX.
2740 * Ditto for _POSIX_PATH_MAX. */
2741# define MAXPATHLEN PATH_MAX
b990c8b2 2742# else
09448d78 2743# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2744# endif
2745# else
2746# define MAXPATHLEN (PATH_MAX+1)
2747# endif
0f31cffe 2748# else
d552bce8 2749# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2750# endif
2751#endif
2752
c80263a8
SH		 2753/* In case Configure was not used (we are using a "canned config"
2754 * such as Win32, or a cross-compilation setup, for example) try going
2755 * by the gcc major and minor versions. One useful URL is
2756 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2757 * but contrary to this information warn_unused_result seems
2758 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2759 * Also, when building extensions with an installed perl, this allows
2760 * the user to upgrade gcc and get the right attributes, rather than
2761 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2762 * Set these up now otherwise we get confused when some of the <*thread.h>
2763 * includes below indirectly pull in <perlio.h> (which needs to know if we
2764 * have HASATTRIBUTE_FORMAT).
2765 */
2766
4d7c7898 2767#ifndef PERL_MICRO
fc2007d4 2768#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2769# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2770# define HASATTRIBUTE_DEPRECATED
2771# endif
c80263a8
SH		 2772# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2773# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2774# if defined __MINGW32__
2775# define PRINTF_FORMAT_NULL_OK
2776# endif
c80263a8
SH		 2777# endif
2778# if __GNUC__ >= 3 /* 3.0 -> */
2779# define HASATTRIBUTE_MALLOC
2780# endif
2781# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2782# define HASATTRIBUTE_NONNULL
2783# endif
2784# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2785# define HASATTRIBUTE_NORETURN
2786# endif
2787# if __GNUC__ >= 3 /* gcc 3.0 -> */
2788# define HASATTRIBUTE_PURE
2789# endif
42bf5550 2790# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2791# define HASATTRIBUTE_UNUSED
2792# endif
d324fe49
AD		 2793# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2794# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2795# endif
c80263a8
SH		 2796# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2797# define HASATTRIBUTE_WARN_UNUSED_RESULT
2798# endif
2799#endif
00f254e2 2800#endif /* #ifndef PERL_MICRO */
c80263a8 2801
3db8f154 2802/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2803 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2804 * this results in many functions being undeclared which bothers C++
2805 * May make sense to have threads after "*ish.h" anyway
2806 */
2807
3db8f154 2808#if defined(USE_ITHREADS)
2986a63f
JH		 2809# ifdef NETWARE
2810# include <nw5thread.h>
2811# else
32f822de
GS		 2812# ifdef FAKE_THREADS
2813# include "fakethr.h"
2814# else
2815# ifdef WIN32
2816# include <win32thread.h>
2817# else
dd96f567
IZ		 2818# ifdef OS2
2819# include "os2thread.h"
2820# else
7f3d1cf1 2821# ifdef I_MACH_CTHREADS
bdd66968 2822# include <mach/cthreads.h>
8f1f23e8 2823# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2824# define MUTEX_INIT_CALLS_MALLOC
2825# endif
7f3d1cf1
BH		 2826typedef cthread_t perl_os_thread;
2827typedef mutex_t perl_mutex;
2828typedef condition_t perl_cond;
2829typedef void * perl_key;
2830# else /* Posix threads */
1f5ae88c
JH		 2831# ifdef I_PTHREAD
2832# include <pthread.h>
2833# endif
7f3d1cf1
BH		 2834typedef pthread_t perl_os_thread;
2835typedef pthread_mutex_t perl_mutex;
2836typedef pthread_cond_t perl_cond;
2837typedef pthread_key_t perl_key;
2838# endif /* I_MACH_CTHREADS */
dd96f567 2839# endif /* OS2 */
32f822de
GS		 2840# endif /* WIN32 */
2841# endif /* FAKE_THREADS */
2986a63f 2842#endif /* NETWARE */
3db8f154 2843#endif /* USE_ITHREADS */
c5be433b 2844
66a93824 2845#if defined(WIN32)
1feb2720 2846# include "win32.h"
c5be433b
GS		 2847#endif
2848
2986a63f
JH		 2849#ifdef NETWARE
2850# include "netware.h"
2851#endif
2852
e5218da5 2853#define STATUS_UNIX PL_statusvalue
68dc0745 2854#ifdef VMS
6b88bc9c 2855# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2856/*
2857 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2858 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2859 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2860 * be updated also.
2861 */
2862# include <stsdef.h>
2863# include <ssdef.h>
2864/* Presume this because if VMS changes it, it will require a new
2865 * set of APIs for waiting on children for binary compatibility.
2866 */
2867# define child_offset_bits (8)
2868# ifndef C_FAC_POSIX
2869# define C_FAC_POSIX 0x35A000
2870# endif
2871
2872/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2873 * platform from the existing UNIX or Native status values.
2874 */
2875
37038d91 2876# define STATUS_EXIT \
7a7fd8e0
JM		 2877 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2878 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2879
7a7fd8e0 2880
fb38d079
JM		 2881/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2882 * exit code and shifts the UNIX value over the correct number of bits to
2883 * be a child status. Usually the number of bits is 8, but that could be
2884 * platform dependent. The NATIVE status code is presumed to have either
2885 * from a child process.
7a7fd8e0
JM		 2886 */
2887
fb38d079
JM		 2888/* This is complicated. The child processes return a true native VMS
2889 status which must be saved. But there is an assumption in Perl that
2890 the UNIX child status has some relationship to errno values, so
00f254e2 2891 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2892 In order to get the string translation correct, for the error, errno
2893 must be EVMSERR, but that generates a different text message
2894 than what the test programs are expecting. So an errno value must
2895 be derived from the native status value when an error occurs.
2896 That will hide the true native status message. With this version of
2897 perl, the true native child status can always be retrieved so that
2898 is not a problem. But in this case, Pl_statusvalue and errno may
2899 have different values in them.
2900 */
7a7fd8e0 2901
fb38d079 2902# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2903 STMT_START { \
2fbb330f
JM		 2904 I32 evalue = (I32)n; \
2905 if (evalue == EVMSERR) { \
2906 PL_statusvalue_vms = vaxc$errno; \
2907 PL_statusvalue = evalue; \
7a7fd8e0 2908 } else { \
2fbb330f 2909 PL_statusvalue_vms = evalue; \
fb38d079 2910 if (evalue == -1) { \
3280af22 2911 PL_statusvalue = -1; \
7a7fd8e0
JM		 2912 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2913 } else \
fb38d079 2914 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2915 set_vaxc_errno(evalue); \
fb38d079
JM		 2916 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2917 set_errno(EVMSERR); \
2918 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2919 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2920 } \
68dc0745 2921 } STMT_END
7a7fd8e0 2922
68dc0745 2923# ifdef VMSISH_STATUS
e5218da5 2924# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2925# else
e5218da5 2926# define STATUS_CURRENT STATUS_UNIX
68dc0745 2927# endif
7a7fd8e0
JM		 2928
2929 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2930 * the NATIVE status to an equivalent value. Can not be used to translate
2931 * exit code values as exit code values are not guaranteed to have any
2932 * relationship at all to errno values.
2933 * This is used when Perl is forcing errno to have a specific value.
2934 */
e5218da5 2935# define STATUS_UNIX_SET(n) \
68dc0745 2936 STMT_START { \
7a7fd8e0 2937 I32 evalue = (I32)n; \
0968cdad 2938 PL_statusvalue = evalue; \
3280af22 2939 if (PL_statusvalue != -1) { \
0968cdad
JM		 2940 if (PL_statusvalue != EVMSERR) { \
2941 PL_statusvalue &= 0xFFFF; \
2942 if (MY_POSIX_EXIT) \
2943 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2944 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2945 } \
2946 else { \
2947 PL_statusvalue_vms = vaxc$errno; \
2948 } \
68dc0745 2949 } \
0968cdad
JM		 2950 else PL_statusvalue_vms = SS$_ABORT; \
2951 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2952 } STMT_END
2953
2954 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2955 * the NATIVE error status based on it.
2956 *
2957 * When in the default mode to comply with the Perl VMS documentation,
2958 * 0 is a success and any other code sets the NATIVE status to a failure
2959 * code of SS$_ABORT.
fb38d079
JM		 2960 *
2961 * In the new POSIX EXIT mode, native status will be set so that the
2962 * actual exit code will can be retrieved by the calling program or
2963 * shell.
2964 *
2965 * If the exit code is not clearly a UNIX parent or child exit status,
2966 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2967 */
2968
fb38d079 2969# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2970 STMT_START { \
2971 I32 evalue = (I32)n; \
2972 PL_statusvalue = evalue; \
e08e1e1d
JM		 2973 if (MY_POSIX_EXIT) { \
2974 if (evalue <= 0xFF00) { \
2975 if (evalue > 0xFF) \
2976 evalue = (evalue >> child_offset_bits) & 0xFF; \
2977 PL_statusvalue_vms = \
2978 (C_FAC_POSIX | (evalue << 3 ) | \
2979 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2980 } else /* forgive them Perl, for they have sinned */ \
2981 PL_statusvalue_vms = evalue; \
2982 } else { \
2983 if (evalue == 0) \
2984 PL_statusvalue_vms = SS$_NORMAL; \
2985 else if (evalue <= 0xFF00) \
2986 PL_statusvalue_vms = SS$_ABORT; \
2987 else { /* forgive them Perl, for they have sinned */ \
2988 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2989 else PL_statusvalue_vms = vaxc$errno; \
2990 /* And obviously used a VMS status value instead of UNIX */ \
2991 PL_statusvalue = EVMSERR; \
2992 } \
2993 set_vaxc_errno(PL_statusvalue_vms); \
2994 } \
68dc0745 2995 } STMT_END
fb38d079 2996
e08e1e1d 2997
6ac6a52b
JM		 2998 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2999 * and sets the NATIVE error status based on it. This special case
3000 * is needed to maintain compatibility with past VMS behavior.
3001 *
3002 * In the default mode on VMS, this number is passed through as
3003 * both the NATIVE and UNIX status. Which makes it different
3004 * that the STATUS_UNIX_EXIT_SET.
3005 *
3006 * In the new POSIX EXIT mode, native status will be set so that the
3007 * actual exit code will can be retrieved by the calling program or
3008 * shell.
3009 *
1a3aec58
JM		 3010 * A POSIX exit code is from 0 to 255. If the exit code is higher
3011 * than this, it needs to be assumed that it is a VMS exit code and
3012 * passed through.
6ac6a52b
JM		 3013 */
3014
3015# define STATUS_EXIT_SET(n) \
3016 STMT_START { \
3017 I32 evalue = (I32)n; \
3018 PL_statusvalue = evalue; \
3019 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3020 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3021 PL_statusvalue_vms = \
3022 (C_FAC_POSIX | (evalue << 3 ) | \
3023 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3024 else \
3025 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3026 set_vaxc_errno(PL_statusvalue_vms); \
3027 } STMT_END
3028
fb38d079
JM		 3029
3030 /* This macro forces a success status */
7a7fd8e0
JM		 3031# define STATUS_ALL_SUCCESS \
3032 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3033
3034 /* This macro forces a failure status */
7a7fd8e0
JM		 3035# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3036 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3037 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3038
68dc0745 3039#else
e5218da5 3040# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3041# if defined(WCOREDUMP)
37038d91 3042# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3043 STMT_START { \
3044 PL_statusvalue_posix = (n); \
3045 if (PL_statusvalue_posix == -1) \
3046 PL_statusvalue = -1; \
3047 else { \
3048 PL_statusvalue = \
3049 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3050 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3051 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3052 } \
3053 } STMT_END
3054# elif defined(WIFEXITED)
37038d91 3055# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3056 STMT_START { \
3057 PL_statusvalue_posix = (n); \
3058 if (PL_statusvalue_posix == -1) \
3059 PL_statusvalue = -1; \
3060 else { \
3061 PL_statusvalue = \
3062 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3063 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3064 } \
3065 } STMT_END
3066# else
37038d91 3067# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3068 STMT_START { \
3069 PL_statusvalue_posix = (n); \
3070 if (PL_statusvalue_posix == -1) \
3071 PL_statusvalue = -1; \
3072 else { \
3073 PL_statusvalue = \
3074 PL_statusvalue_posix & 0xFFFF; \
3075 } \
3076 } STMT_END
3077# endif
3078# define STATUS_UNIX_SET(n) \
68dc0745 3079 STMT_START { \
3280af22
NIS		 3080 PL_statusvalue = (n); \
3081 if (PL_statusvalue != -1) \
3082 PL_statusvalue &= 0xFFFF; \
68dc0745 3083 } STMT_END
7a7fd8e0 3084# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3085# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3086# define STATUS_CURRENT STATUS_UNIX
37038d91 3087# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3088# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3089# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3090#endif
3091
cc3604b1
GS		 3092/* flags in PL_exit_flags for nature of exit() */
3093#define PERL_EXIT_EXPECTED 0x01
31d77e54 3094#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3095
b79b76e0 3096#ifndef PERL_CORE
a7cb1f99 3097/* format to use for version numbers in file/directory names */
273cf8d1 3098/* XXX move to Configure? */
b79b76e0
NC		 3099/* This was only ever used for the current version, and that can be done at
3100 compile time, as PERL_FS_VERSION, so should we just delete it? */
3101# ifndef PERL_FS_VER_FMT
3102# define PERL_FS_VER_FMT "%d.%d.%d"
3103# endif
3104#endif
3105
3106#ifndef PERL_FS_VERSION
3107# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3108#endif
3109
45bc9206 3110/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3111 * performance issue, so we allow people to disable it. Also, if
3112 * we are using stdio, there are broken implementations of fflush(NULL)
3113 * out there, Solaris being the most prominent.
45bc9206
GS		 3114 */
3115#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3116# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3117# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3118# else
3119# ifdef FFLUSH_ALL
3120# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3121# else
c5be433b 3122# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3123# endif
66fe083f 3124# endif
45bc9206
GS		 3125#endif
3126
7766f137
GS		 3127#ifndef PERL_WAIT_FOR_CHILDREN
3128# define PERL_WAIT_FOR_CHILDREN NOOP
3129#endif
3130
ba869deb 3131/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3132#ifndef PERL_SET_INTERP
3133# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3134#endif
3135
3136#ifndef PERL_GET_INTERP
3137# define PERL_GET_INTERP (PL_curinterp)
3138#endif
3139
54aff467 3140#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3141# ifdef MULTIPLICITY
ba869deb 3142# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3143# endif
ba869deb
GS		 3144# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3145#endif
3146
00f254e2 3147/*
8896765a 3148 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3149 All that is required is that the perl source does not
00f254e2
KW		 3150 use "%-p" or "%-<number>p" or "%<number>p" formats.
3151 These formats will still work in perl code.
486ec47a 3152 See comments in sv.c for further details.
8896765a 3153
8896765a 3154 Robin Barker 2005-07-14
f46d31f2 3155
00f254e2 3156 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3157*/
8896765a
RB		 3158
3159#ifndef SVf_
63ce7bf0 3160# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3161#endif
3162
8896765a 3163#ifndef SVf
104abab4 3164# define SVf "-p"
d2560b70
RB		 3165#endif
3166
014ead4b 3167#ifndef SVf32
8896765a 3168# define SVf32 SVf_(32)
014ead4b
RB		 3169#endif
3170
3171#ifndef SVf256
8896765a
RB		 3172# define SVf256 SVf_(256)
3173#endif
3174
be2597df
MHM		 3175#define SVfARG(p) ((void*)(p))
3176
20023040
FC		 3177#ifndef HEKf
3178# define HEKf "2p"
3179#endif
3180
b8fa5213
FC		 3181/* Not ideal, but we cannot easily include a number in an already-numeric
3182 * format sequence. */
3183#ifndef HEKf256
3184# define HEKf256 "3p"
3185#endif
3186
20023040
FC		 3187#define HEKfARG(p) ((void*)(p))
3188
f46d31f2 3189#ifdef PERL_CORE
486ec47a 3190/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3191# undef VDf
3192#else
3193# ifndef VDf
8896765a
RB		 3194# define VDf "vd"
3195# endif
014ead4b 3196#endif
170cd9e9
NC		 3197
3198#ifdef PERL_CORE
486ec47a 3199/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3200# undef UVf
3201#else
170cd9e9
NC		 3202# ifndef UVf
3203# define UVf UVuf
3204# endif
d2560b70
RB		 3205#endif
3206
fcdf39cf
RGS		 3207#ifdef HASATTRIBUTE_DEPRECATED
3208# define __attribute__deprecated__ __attribute__((deprecated))
3209#endif
0dbb1585
AL		 3210#ifdef HASATTRIBUTE_FORMAT
3211# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3212#endif
3213#ifdef HASATTRIBUTE_MALLOC
77785eea 3214# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3215#endif
0dbb1585 3216#ifdef HASATTRIBUTE_NONNULL
abb2c242 3217# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3218#endif
0dbb1585 3219#ifdef HASATTRIBUTE_NORETURN
abb2c242 3220# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3221#endif
0dbb1585 3222#ifdef HASATTRIBUTE_PURE
abb2c242 3223# define __attribute__pure__ __attribute__((pure))
f22be1b8 3224#endif
0dbb1585
AL		 3225#ifdef HASATTRIBUTE_UNUSED
3226# define __attribute__unused__ __attribute__((unused))
3227#endif
3228#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3229# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3230#endif
3231
0dbb1585 3232/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3233#ifndef __attribute__deprecated__
3234# define __attribute__deprecated__
3235#endif
0dbb1585
AL		 3236#ifndef __attribute__format__
3237# define __attribute__format__(x,y,z)
3238#endif
f22be1b8 3239#ifndef __attribute__malloc__
abb2c242 3240# define __attribute__malloc__
f22be1b8
JH		 3241#endif
3242#ifndef __attribute__nonnull__
abb2c242 3243# define __attribute__nonnull__(a)
f22be1b8
JH		 3244#endif
3245#ifndef __attribute__noreturn__
abb2c242 3246# define __attribute__noreturn__
f22be1b8
JH		 3247#endif
3248#ifndef __attribute__pure__
abb2c242 3249# define __attribute__pure__
f22be1b8 3250#endif
0dbb1585
AL		 3251#ifndef __attribute__unused__
3252# define __attribute__unused__
3253#endif
f22be1b8 3254#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3255# define __attribute__warn_unused_result__
3256#endif
3257
0dbb1585
AL		 3258/* For functions that are marked as __attribute__noreturn__, it's not
3259 appropriate to call return. In either case, include the lint directive.
3260 */
3261#ifdef HASATTRIBUTE_NORETURN
118e2215 3262# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3263#else
118e2215 3264# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3265#endif
3266
cdfeb707
RB		 3267/* Some OS warn on NULL format to printf */
3268#ifdef PRINTF_FORMAT_NULL_OK
3269# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3270#else
00f254e2 3271# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3272#endif
3273
635aebb7 3274#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3275# define EXPECT(expr,val) __builtin_expect(expr,val)
3276#else
3277# define EXPECT(expr,val) (expr)
3278#endif
3279#define LIKELY(cond) EXPECT(cond,1)
3280#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3281#ifdef HAS_BUILTIN_CHOOSE_EXPR
3282/* placeholder */
3283#endif
b37c2d43 3284
3fc1aec6 3285/* Some unistd.h's give a prototype for pause() even though
3286 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3287 below to be rejected by the compiler. Sigh.
3fc1aec6 3288*/
3289#ifdef HAS_PAUSE
3290#define Pause pause
3291#else
3292#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3293#endif
3294
3295#ifndef IOCPARM_LEN
3296# ifdef IOCPARM_MASK
61f1c44b 3297 /* on BSDish systems we're safe */
748a9306
LW		 3298# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3299# else
61f1c44b 3300# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3301 /* on Linux systems we're safe; except when we're not [perl #38223] */
3302# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3303# else
748a9306 3304 /* otherwise guess at what's safe */
61f1c44b
JVD		 3305# define IOCPARM_LEN(x) 256
3306# endif
748a9306 3307# endif
a0d0e21e
LW		 3308#endif
3309
1761cee5 3310#if defined(__CYGWIN__)
521e0776
GS		 3311/* USEMYBINMODE
3312 * This symbol, if defined, indicates that the program should
16fe6d59 3313 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3314 * that a file is in "binary" mode -- that is, that no translation
3315 * of bytes occurs on read or write operations.
3316 */
36894f0b 3317# define USEMYBINMODE /**/
77a40698 3318# include <io.h> /* for setmode() prototype */
16fe6d59 3319# define my_binmode(fp, iotype, mode) \
77a40698 3320 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3321#endif
3322
88d10794
JH		 3323#ifdef __CYGWIN__
3324void init_os_extras(void);
3325#endif
3326
cea2e8a9
GS		 3327#ifdef UNION_ANY_DEFINITION
3328UNION_ANY_DEFINITION;
3329#else
3330union any {
3331 void* any_ptr;
3332 I32 any_i32;
3333 IV any_iv;
c6bf6a65 3334 UV any_uv;
cea2e8a9 3335 long any_long;
9febdf04 3336 bool any_bool;
c76ac1ee 3337 void (*any_dptr) (void*);
acfe0abc 3338 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3339};
3340#endif
3341
acfe0abc 3342typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3343
3344#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3345#define FILTER_DATA(idx) \
3346 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3347#define FILTER_ISREADER(idx) \
3348 (PL_parser && PL_parser->rsfp_filters \
3349 && idx >= AvFILLp(PL_parser->rsfp_filters))
3350#define PERL_FILTER_EXISTS(i) \
3351 (PL_parser && PL_parser->rsfp_filters \
3352 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3353
c5078cac
JH		 3354#if defined(_AIX) && !defined(_AIX43)
3355#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3356/* We cannot include <crypt.h> to get the struct crypt_data
3357 * because of setkey prototype problems when threading */
3358typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3359 /* From OSF, Not needed in AIX
3360 char C[28], D[28];
3361 */
3362 char E[48];
3363 char KS[16][48];
3364 char block[66];
3365 char iobuf[16];
3366} CRYPTD;
3367#endif /* threading */
3368#endif /* AIX */
3369
e37778c2 3370#if !defined(OS2)
2c2d71f5
JH		 3371# include "iperlsys.h"
3372#endif
504f80c1 3373
9c12f1e5 3374#ifdef __LIBCATAMOUNT__
00f254e2 3375#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3376#undef HAS_GROUP
3377#define FAKE_BIT_BUCKET
3378#endif
3379
d10dc2ae
JH		 3380/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3381 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3382 * defined by Configure, despite their names being similar to the
3383 * other defines like USE_ITHREADS. Configure in fact knows nothing
3384 * about the randomised hashes. Therefore to enable/disable the hash
3385 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3386#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3387# define USE_HASH_SEED
504f80c1
JH		 3388#endif
3389
598921a7
NC		 3390/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3391 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3392 * it's not really needed.
3393 */
3394#if defined(WIN32)
3395# define YYTOKENTYPE
3396#endif
3397#include "perly.h"
3398
3399#ifdef PERL_MAD
3400struct nexttoken {
3401 YYSTYPE next_val; /* value of next token, if any */
3402 I32 next_type; /* type of next token */
3403 MADPROP *next_mad; /* everything else about that token */
3404};
3405#endif
3406
654eccd5
JD		 3407/* macros to define bit-fields in structs. */
3408#ifndef PERL_BITFIELD8
3409# define PERL_BITFIELD8 unsigned
3410#endif
3411#ifndef PERL_BITFIELD16
3412# define PERL_BITFIELD16 unsigned
3413#endif
3414#ifndef PERL_BITFIELD32
3415# define PERL_BITFIELD32 unsigned
3416#endif
3417
79072805 3418#include "sv.h"
288b8c02 3419#include "regexp.h"
378cc40b 3420#include "util.h"
8d063cd8 3421#include "form.h"
79072805 3422#include "gv.h"
dd2155a4 3423#include "pad.h"
79072805 3424#include "cv.h"
abdd5c84 3425#include "opnames.h"
79072805 3426#include "op.h"
b3ca2e83 3427#include "hv.h"
79072805
LW		 3428#include "cop.h"
3429#include "av.h"
79072805
LW		 3430#include "mg.h"
3431#include "scope.h"
4438c4b7 3432#include "warnings.h"
a0ed51b3 3433#include "utf8.h"
8d063cd8 3434
0d7d409d
DM		 3435/* these would be in doio.h if there was such a file */
3436#define my_stat() my_stat_flags(SV_GMAGIC)
3437#define my_lstat() my_lstat_flags(SV_GMAGIC)
3438
20f4945e 3439/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3440#undef _XPV_HEAD
3441#undef _XPVMG_HEAD
3442#undef _XPVCV_COMMON
7fae4e64
GS		 3443
3444typedef struct _sublex_info SUBLEXINFO;
3445struct _sublex_info {
651b5b28
NC		 3446 U8 super_state; /* lexer state to save */
3447 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3448 OP *sub_op; /* "lex_op" to use */
7cc34111 3449 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3450};
3451
199e78b7
DM		 3452#include "parser.h"
3453
455ece5e 3454typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3455
2c2d71f5 3456struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3457struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3458
5f7fde29
GS		 3459struct ptr_tbl_ent {
3460 struct ptr_tbl_ent* next;
53c1dcc0 3461 const void* oldval;
5f7fde29 3462 void* newval;
d18c6117
GS		 3463};
3464
5f7fde29
GS		 3465struct ptr_tbl {
3466 struct ptr_tbl_ent** tbl_ary;
3467 UV tbl_max;
3468 UV tbl_items;
db93c0c4
NC		 3469 struct ptr_tbl_arena *tbl_arena;
3470 struct ptr_tbl_ent *tbl_arena_next;
3471 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3472};
3473
fe14fcc3
LW		 3474#if defined(htonl) && !defined(HAS_HTONL)
3475#define HAS_HTONL
ae986130 3476#endif
fe14fcc3
LW		 3477#if defined(htons) && !defined(HAS_HTONS)
3478#define HAS_HTONS
ae986130 3479#endif
fe14fcc3
LW		 3480#if defined(ntohl) && !defined(HAS_NTOHL)
3481#define HAS_NTOHL
ae986130 3482#endif
fe14fcc3
LW		 3483#if defined(ntohs) && !defined(HAS_NTOHS)
3484#define HAS_NTOHS
ae986130 3485#endif
fe14fcc3 3486#ifndef HAS_HTONL
d9d8d8de 3487#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3488#define HAS_HTONS
3489#define HAS_HTONL
3490#define HAS_NTOHS
3491#define HAS_NTOHL
a687059c
LW		 3492#define MYSWAP
3493#define htons my_swap
3494#define htonl my_htonl
3495#define ntohs my_swap
3496#define ntohl my_ntohl
3497#endif
3498#else
d9d8d8de 3499#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3500#undef HAS_HTONS
3501#undef HAS_HTONL
3502#undef HAS_NTOHS
3503#undef HAS_NTOHL
a687059c
LW		 3504#endif
3505#endif
3506
988174c1
LW		 3507/*
3508 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3509 * -DWS
3510 */
3511#if BYTEORDER != 0x1234
3512# define HAS_VTOHL
3513# define HAS_VTOHS
3514# define HAS_HTOVL
3515# define HAS_HTOVS
c67712b2 3516# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3517# define vtohl(x) ((((x)&0xFF)<<24) \
3518 +(((x)>>24)&0xFF) \
3519 +(((x)&0x0000FF00)<<8) \
3520 +(((x)&0x00FF0000)>>8) )
3521# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3522# define htovl(x) vtohl(x)
3523# define htovs(x) vtohs(x)
3524# endif
3525 /* otherwise default to functions in util.c */
2a8c3029 3526#ifndef htovs
c623ac67
GS		 3527short htovs(short n);
3528short vtohs(short n);
3529long htovl(long n);
3530long vtohl(long n);
988174c1 3531#endif
2a8c3029 3532#endif
988174c1 3533
3bb7c1b4
JH		 3534/* *MAX Plus 1. A floating point value.
3535 Hopefully expressed in a way that dodgy floating point can't mess up.
3536 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3537 is added to it
3538 May find that some broken compiler will want the value cast to I32.
3539 [after the shift, as signed >> may not be as secure as unsigned >>]
3540*/
3541#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3542#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3543/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3544 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3545 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3546*/
3547#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3548
3bb7c1b4
JH		 3549#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3550#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3551#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3552
3553/* This may look like unnecessary jumping through hoops, but converting
3554 out of range floating point values to integers *is* undefined behaviour,
3555 and it is starting to bite.
3556*/
3557#ifndef CAST_INLINE
65202027 3558#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3559#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3560#define I_V(what) (cast_iv((NV)(what)))
3561#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3562#else
3563#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3564 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3565 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3566#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3567 : ((n) < U32_MAX_P1 ? (U32) (n) \
3568 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3569#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3570 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3571 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3572#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3573 : ((n) < UV_MAX_P1 ? (UV) (n) \
3574 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3575#endif
3576
3577#define U_S(what) ((U16)U_32(what))
3578#define U_I(what) ((unsigned int)U_32(what))
3579#define U_L(what) U_32(what)
ed6116ce 3580
ed140128
AD		 3581#ifdef HAS_SIGNBIT
3582# define Perl_signbit signbit
3583#endif
3584
2d4389e4
JH		 3585/* These do not care about the fractional part, only about the range. */
3586#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3587#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3588
25da4f38
IZ		 3589/* Used with UV/IV arguments: */
3590 /* XXXX: need to speed it up */
3591#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3592#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3593
352d5a3a
LW		 3594#ifndef MAXSYSFD
3595# define MAXSYSFD 2
3596#endif
ee0007ab 3597
79072805 3598#ifndef __cplusplus
e37d7e38 3599#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3600Uid_t getuid (void);
3601Uid_t geteuid (void);
3602Gid_t getgid (void);
3603Gid_t getegid (void);
79072805 3604#endif
e1caacb4 3605#endif
8d063cd8 3606
0c30d9ec 3607#ifndef Perl_debug_log
bf49b057
GS		 3608# define Perl_debug_log PerlIO_stderr()
3609#endif
3610
3611#ifndef Perl_error_log
3612# define Perl_error_log (PL_stderrgv \
6b78add2 3613 && isGV(PL_stderrgv) \
01bb7c6d 3614 && GvIOp(PL_stderrgv) \
42de951c 3615 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3616 ? IoOFP(GvIOp(PL_stderrgv)) \
3617 : PerlIO_stderr())
0c30d9ec 3618#endif
3967c732 3619
aea4f609
DM		 3620
3621#define DEBUG_p_FLAG 0x00000001 /* 1 */
3622#define DEBUG_s_FLAG 0x00000002 /* 2 */
3623#define DEBUG_l_FLAG 0x00000004 /* 4 */
3624#define DEBUG_t_FLAG 0x00000008 /* 8 */
3625#define DEBUG_o_FLAG 0x00000010 /* 16 */
3626#define DEBUG_c_FLAG 0x00000020 /* 32 */
3627#define DEBUG_P_FLAG 0x00000040 /* 64 */
3628#define DEBUG_m_FLAG 0x00000080 /* 128 */
3629#define DEBUG_f_FLAG 0x00000100 /* 256 */
3630#define DEBUG_r_FLAG 0x00000200 /* 512 */
3631#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3632#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3633/* U is reserved for Unofficial, exploratory hacking */
3634#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3635#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3636#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3637#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3638#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3639#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3640#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3641#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3642#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3643#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3644#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3645#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3646#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3647#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3648#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3649
3650#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3651#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3652 that something was done? */
aea4f609 3653
bd16a5f0
IZ		 3654# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3655# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3656# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3657# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3658# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3659# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3660# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3661# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3662# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3663# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3664# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3665# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3666# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3667# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3668# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3669# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3670# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3671# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3672# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3673# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3674# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3675# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3676# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3677# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3678# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3679# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3680# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3681# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3682# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3683
3967c732 3684#ifdef DEBUGGING
aea4f609 3685
bd16a5f0
IZ		 3686# define DEBUG_p_TEST DEBUG_p_TEST_
3687# define DEBUG_s_TEST DEBUG_s_TEST_
3688# define DEBUG_l_TEST DEBUG_l_TEST_
3689# define DEBUG_t_TEST DEBUG_t_TEST_
3690# define DEBUG_o_TEST DEBUG_o_TEST_
3691# define DEBUG_c_TEST DEBUG_c_TEST_
3692# define DEBUG_P_TEST DEBUG_P_TEST_
3693# define DEBUG_m_TEST DEBUG_m_TEST_
3694# define DEBUG_f_TEST DEBUG_f_TEST_
3695# define DEBUG_r_TEST DEBUG_r_TEST_
3696# define DEBUG_x_TEST DEBUG_x_TEST_
3697# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3698# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3699# define DEBUG_H_TEST DEBUG_H_TEST_
3700# define DEBUG_X_TEST DEBUG_X_TEST_
3701# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3702# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3703# define DEBUG_T_TEST DEBUG_T_TEST_
3704# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3705# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3706# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3707# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3708# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3709# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3710# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3711# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3712# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3713# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3714# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3715
488b0c7a
JH		 3716# define PERL_DEB(a) a
3717# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3718# define DEBUG_p(a) if (DEBUG_p_TEST) a
3719# define DEBUG_s(a) if (DEBUG_s_TEST) a
3720# define DEBUG_l(a) if (DEBUG_l_TEST) a
3721# define DEBUG_t(a) if (DEBUG_t_TEST) a
3722# define DEBUG_o(a) if (DEBUG_o_TEST) a
3723# define DEBUG_c(a) if (DEBUG_c_TEST) a
3724# define DEBUG_P(a) if (DEBUG_P_TEST) a
3725
969058bb
VK		 3726 /* Temporarily turn off memory debugging in case the a
3727 * does memory allocation, either directly or indirectly. */
acfe0abc 3728# define DEBUG_m(a) \
0b250b9e 3729 STMT_START { \
aea4f609 3730 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3731 } STMT_END
aea4f609 3732
5f80b19c
AMS		 3733# define DEBUG__(t, a) \
3734 STMT_START { \
3735 if (t) STMT_START {a;} STMT_END; \
3736 } STMT_END
3737
3738# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3739#ifndef PERL_EXT_RE_BUILD
5f80b19c 3740# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3741#else
3742# define DEBUG_r(a) STMT_START {a;} STMT_END
3743#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3744# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3745# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3746# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3747# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3748# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3749# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3750# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3751# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3752# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3753
56967202 3754# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3755# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3756# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3757# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3758# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3759# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3760# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3761# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3762# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3763
3764#else /* DEBUGGING */
3765
3766# define DEBUG_p_TEST (0)
3767# define DEBUG_s_TEST (0)
3768# define DEBUG_l_TEST (0)
3769# define DEBUG_t_TEST (0)
3770# define DEBUG_o_TEST (0)
3771# define DEBUG_c_TEST (0)
3772# define DEBUG_P_TEST (0)
3773# define DEBUG_m_TEST (0)
3774# define DEBUG_f_TEST (0)
3775# define DEBUG_r_TEST (0)
3776# define DEBUG_x_TEST (0)
3777# define DEBUG_u_TEST (0)
88d2d28a 3778# define DEBUG_U_TEST (0)
aea4f609
DM		 3779# define DEBUG_H_TEST (0)
3780# define DEBUG_X_TEST (0)
3781# define DEBUG_D_TEST (0)
56967202 3782# define DEBUG_S_TEST (0)
aea4f609 3783# define DEBUG_T_TEST (0)
04932ac8 3784# define DEBUG_R_TEST (0)
1045810a 3785# define DEBUG_J_TEST (0)