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[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
3ab4a224
AB		 201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO		 215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
220 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
221
2fdbfb4d
AB		 222#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
223 CALL_FPTR((rx)->engine->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 224
2fdbfb4d
AB		 225#define CALLREG_NUMBUF_STORE(rx,paren,value) \
226 CALL_FPTR((rx)->engine->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
227
228#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
229 CALL_FPTR((rx)->engine->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
230
192b9cd1
AB		 231#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
232 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXf_HASH_FETCH))
233
234#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
235 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXf_HASH_STORE))
236
237#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
238 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXf_HASH_DELETE))
239
240#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
241 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXf_HASH_CLEAR))
242
243#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
244 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXf_HASH_EXISTS))
245
246#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
247 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXf_HASH_FIRSTKEY))
248
249#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
250 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXf_HASH_NEXTKEY))
251
252#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
253 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXf_HASH_SCALAR))
254
255#define CALLREG_NAMED_BUFF_COUNT(rx) \
256 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, RXf_HASH_REGNAMES_COUNT)
257
258#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
259 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 260
49d7dfbc
AB		 261#define CALLREG_PACKAGE(rx) \
262 CALL_FPTR((rx)->engine->qr_package)(aTHX_ (rx))
93b32b6d 263
f9f4320a
YO		 264#if defined(USE_ITHREADS)
265#define CALLREGDUPE(prog,param) \
f8149455
YO		 266 Perl_re_dup(aTHX_ (prog),(param))
267
268#define CALLREGDUPE_PVT(prog,param) \
f2f78491 269 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO		 270 : (REGEXP *)NULL)
271#endif
14dd3ad8 272
a20207d7 273
bcdf7404 274
a20207d7
YO		 275
276
5ba4cab2
SH		 277/*
278 * Because of backward compatibility reasons the PERL_UNUSED_DECL
279 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
280 *
281 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 282 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 283 * marking unused variables (they need e.g. a #pragma) and therefore
284 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
285 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
286 *
287 */
1266ad8c 288
9969cdde 289#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 290# ifdef __cplusplus
5ba4cab2 291# define PERL_UNUSED_DECL
5b2bd0a5 292# else
5ba4cab2 293# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 294# endif
295#endif
44dbb695 296
5b2bd0a5 297#ifndef PERL_UNUSED_DECL
34659ad4 298# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 299# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 300# else
5ba4cab2 301# define PERL_UNUSED_DECL
b79c357a 302# endif
5b2bd0a5
AMS		 303#endif
304
349b520e
DM		 305/* gcc -Wall:
306 * for silencing unused variables that are actually used most of the time,
a0288114 307 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 308 */
53c1dcc0 309#ifndef PERL_UNUSED_ARG
c99ffe5e 310# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 311# include <note.h>
53c1dcc0 312# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 313# else
53c1dcc0 314# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 315# endif
316#endif
53c1dcc0
AL		 317#ifndef PERL_UNUSED_VAR
318# define PERL_UNUSED_VAR(x) ((void)x)
319#endif
ad73156c 320
96a5add6
AL		 321#ifdef USE_ITHREADS
322# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
323#else
324# define PERL_UNUSED_CONTEXT
325#endif
326
6f207bd3 327#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 328#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
329#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
330#else
6f207bd3 331#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 332#endif
71be2cbc 333
0cb96387 334#ifndef pTHX
e8dda941
JD		 335/* Don't bother defining tTHX and sTHX; using them outside
336 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
337 */
0cb96387
GS		 338# define pTHX void
339# define pTHX_
0cb96387
GS		 340# define aTHX
341# define aTHX_
0cb96387
GS		 342# define dTHXa(a) dNOOP
343# define dTHX dNOOP
894356b3
GS		 344# define pTHX_1 1
345# define pTHX_2 2
346# define pTHX_3 3
347# define pTHX_4 4
3d42dc86
RGS		 348# define pTHX_5 5
349# define pTHX_6 6
a3b680e6
AL		 350# define pTHX_7 7
351# define pTHX_8 8
352# define pTHX_9 9
0cb96387
GS		 353#endif
354
27da23d5
JH		 355#ifndef dVAR
356# define dVAR dNOOP
357#endif
358
b4f7f263
GS		 359/* these are only defined for compatibility; should not be used internally */
360#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 361# define pTHXo pTHX
362# define pTHXo_ pTHX_
0cb96387
GS		 363# define aTHXo aTHX
364# define aTHXo_ aTHX_
c5be433b 365# define dTHXo dTHX
71d280e3 366# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 367#endif
368
369#ifndef pTHXx
370# define pTHXx register PerlInterpreter *my_perl
371# define pTHXx_ pTHXx,
0cb96387
GS		 372# define aTHXx my_perl
373# define aTHXx_ aTHXx,
c5be433b 374# define dTHXx dTHX
22c35a8c 375#endif
71be2cbc 376
1de7c2ac
GS		 377/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
378 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
379 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
380#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 381# ifdef PERL_GLOBAL_STRUCT_PRIVATE
382# define dTHXs dVAR; dTHX
383# else
384# define dTHXs dTHX
385# endif
1de7c2ac 386#else
27da23d5
JH		 387# ifdef PERL_GLOBAL_STRUCT_PRIVATE
388# define dTHXs dVAR
389# else
390# define dTHXs dNOOP
391# endif
1de7c2ac
GS		 392#endif
393
326b05e3
GS		 394#undef START_EXTERN_C
395#undef END_EXTERN_C
396#undef EXTERN_C
32f822de
GS		 397#ifdef __cplusplus
398# define START_EXTERN_C extern "C" {
399# define END_EXTERN_C }
400# define EXTERN_C extern "C"
401#else
d460ef45
NIS		 402# define START_EXTERN_C
403# define END_EXTERN_C
73c4f7a1 404# define EXTERN_C extern
32f822de
GS		 405#endif
406
27da23d5
JH		 407/* Some platforms require marking function declarations
408 * for them to be exportable. Used in perlio.h, proto.h
409 * is handled either by the makedef.pl or by defining the
410 * PERL_CALLCONV to be something special. See also the
411 * definition of XS() in XSUB.h. */
412#ifndef PERL_EXPORT_C
a0c21aa1
JH		 413# ifdef __cplusplus
414# define PERL_EXPORT_C extern "C"
415# else
416# define PERL_EXPORT_C extern
417# endif
27da23d5
JH		 418#endif
419#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 420# ifdef __cplusplus
421# define PERL_XS_EXPORT_C extern "C"
422# else
423# define PERL_XS_EXPORT_C
424# endif
27da23d5
JH		 425#endif
426
462e5cf6
MB		 427#ifdef OP_IN_REGISTER
428# ifdef __GNUC__
429# define stringify_immed(s) #s
430# define stringify(s) stringify_immed(s)
d1ca3daa 431register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 432# endif
433#endif
434
e5afc1ae 435/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH		 436 * g++ allows them but seems to have problems with them
437 * (insane errors ensue). */
438#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH		 442#endif
443
5b692037
JH		 444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803 450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH		 476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW		 478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH		 485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW		 491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# ifdef __cplusplus
cb69f87a 514# define VOL /* to temporarily suppress warnings */
79072805
LW		 515# else
516# define VOL volatile
517# endif
663a0e37 518#else
79072805 519# define VOL
663a0e37
LW		 520#endif
521
3280af22
NIS		 522#define TAINT (PL_tainted = TRUE)
523#define TAINT_NOT (PL_tainted = FALSE)
524#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
525#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 526#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 527
d460ef45 528/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 529 defines move there? If so, I could simplify this a lot. --AD 9/96.
530*/
531/* Process group stuff changed from traditional BSD to POSIX.
532 perlfunc.pod documents the traditional BSD-style syntax, so we'll
533 try to preserve that, if possible.
534*/
535#ifdef HAS_SETPGID
536# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 537#else
a6e633de 538# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
539# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
540# else
541# ifdef HAS_SETPGRP2 /* DG/UX */
542# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
543# endif
544# endif
545#endif
546#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
547# define HAS_SETPGRP /* Well, effectively it does . . . */
548#endif
549
550/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
551 our life easier :-) so we'll try it.
552*/
553#ifdef HAS_GETPGID
554# define BSD_GETPGRP(pid) getpgid((pid))
555#else
556# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
557# define BSD_GETPGRP(pid) getpgrp((pid))
558# else
559# ifdef HAS_GETPGRP2 /* DG/UX */
560# define BSD_GETPGRP(pid) getpgrp2((pid))
561# endif
562# endif
563#endif
564#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
565# define HAS_GETPGRP /* Well, effectively it does . . . */
566#endif
567
d460ef45 568/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 569 have different behaviors, but perl.h used to define USE_BSDPGRP
570 (prior to 5.003_05) so some extension might depend on it.
571*/
572#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
573# ifndef USE_BSDPGRP
574# define USE_BSDPGRP
575# endif
663a0e37
LW		 576#endif
577
8ac5a1fe
MH		 578/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
579 pthread.h must be included before all other header files.
580*/
3db8f154 581#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 582# include <pthread.h>
583#endif
584
760ac839
LW		 585#ifndef _TYPES_ /* If types.h defines this it's easy. */
586# ifndef major /* Does everyone's types.h define this? */
587# include <sys/types.h>
c07a80fd 588# endif
663a0e37
LW		 589#endif
590
760ac839
LW		 591#ifdef __cplusplus
592# ifndef I_STDARG
593# define I_STDARG 1
594# endif
595#endif
596
597#ifdef I_STDARG
598# include <stdarg.h>
599#else
600# ifdef I_VARARGS
601# include <varargs.h>
602# endif
603#endif
604
4633a7c4 605#ifdef USE_NEXT_CTYPE
0c30d9ec 606
092bebab
JH		 607#if NX_CURRENT_COMPILER_RELEASE >= 500
608# include <bsd/ctypes.h>
609#else
610# if NX_CURRENT_COMPILER_RELEASE >= 400
611# include <objc/NXCType.h>
612# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
613# include <appkit/NXCType.h>
614# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
615#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 616
617#else /* !USE_NEXT_CTYPE */
fe14fcc3 618#include <ctype.h>
0c30d9ec 619#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 620
621#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
622#undef METHOD
a0d0e21e
LW		 623#endif
624
12ae5dfc
JH		 625#ifdef PERL_MICRO
626# define NO_LOCALE
627#endif
628
4633a7c4 629#ifdef I_LOCALE
36477c24 630# include <locale.h>
4633a7c4
LW		 631#endif
632
36477c24 633#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
634# define USE_LOCALE
635# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
636 && defined(HAS_STRXFRM)
637# define USE_LOCALE_COLLATE
638# endif
639# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
640# define USE_LOCALE_CTYPE
641# endif
642# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
643# define USE_LOCALE_NUMERIC
644# endif
645#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 646
fe14fcc3 647#include <setjmp.h>
79072805 648
a0d0e21e 649#ifdef I_SYS_PARAM
79072805
LW		 650# ifdef PARAM_NEEDS_TYPES
651# include <sys/types.h>
652# endif
653# include <sys/param.h>
352d5a3a 654#endif
79072805 655
79072805 656/* Use all the "standard" definitions? */
a0d0e21e 657#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 658# include <stdlib.h>
ff68c719 659#endif
03a14243 660
3f270f98
JH		 661/* If this causes problems, set i_unistd=undef in the hint file. */
662#ifdef I_UNISTD
663# include <unistd.h>
664#endif
665
9969cdde 666#ifdef __SYMBIAN32__
27da23d5
JH		 667# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
668#endif
669
7114a2d2 670#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 671EXTERN_C int syscall(int, ...);
2ef53570
JH		 672#endif
673
7114a2d2 674#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 675EXTERN_C int usleep(unsigned int);
2ef53570
JH		 676#endif
677
9a34ef1d
GS		 678#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
679# define MYSWAP
680#endif
681
1109a392
MHM		 682#ifdef PERL_CORE
683
684/* macros for correct constant construction */
685# if INTSIZE >= 2
686# define U16_CONST(x) ((U16)x##U)
687# else
688# define U16_CONST(x) ((U16)x##UL)
689# endif
690
691# if INTSIZE >= 4
692# define U32_CONST(x) ((U32)x##U)
693# else
694# define U32_CONST(x) ((U32)x##UL)
695# endif
696
697# ifdef HAS_QUAD
698# if INTSIZE >= 8
699# define U64_CONST(x) ((U64)x##U)
700# elif LONGSIZE >= 8
701# define U64_CONST(x) ((U64)x##UL)
702# elif QUADKIND == QUAD_IS_LONG_LONG
703# define U64_CONST(x) ((U64)x##ULL)
704# else /* best guess we can make */
705# define U64_CONST(x) ((U64)x##UL)
706# endif
707# endif
708
709/* byte-swapping functions for big-/little-endian conversion */
710# define _swab_16_(x) ((U16)( \
711 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
712 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
713
714# define _swab_32_(x) ((U32)( \
715 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
716 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
717 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
718 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
719
720# ifdef HAS_QUAD
721# define _swab_64_(x) ((U64)( \
722 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
723 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
724 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
725 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
726 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
727 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
728 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
729 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
730# endif
731
732/*----------------------------------------------------------------------------*/
733# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
734/*----------------------------------------------------------------------------*/
735# define my_htole16(x) (x)
736# define my_letoh16(x) (x)
737# define my_htole32(x) (x)
738# define my_letoh32(x) (x)
739# define my_htobe16(x) _swab_16_(x)
740# define my_betoh16(x) _swab_16_(x)
741# define my_htobe32(x) _swab_32_(x)
742# define my_betoh32(x) _swab_32_(x)
743# ifdef HAS_QUAD
744# define my_htole64(x) (x)
745# define my_letoh64(x) (x)
746# define my_htobe64(x) _swab_64_(x)
747# define my_betoh64(x) _swab_64_(x)
748# endif
749# define my_htoles(x) (x)
750# define my_letohs(x) (x)
751# define my_htolei(x) (x)
752# define my_letohi(x) (x)
753# define my_htolel(x) (x)
754# define my_letohl(x) (x)
755# if SHORTSIZE == 1
756# define my_htobes(x) (x)
757# define my_betohs(x) (x)
758# elif SHORTSIZE == 2
759# define my_htobes(x) _swab_16_(x)
760# define my_betohs(x) _swab_16_(x)
761# elif SHORTSIZE == 4
762# define my_htobes(x) _swab_32_(x)
763# define my_betohs(x) _swab_32_(x)
764# elif SHORTSIZE == 8
765# define my_htobes(x) _swab_64_(x)
766# define my_betohs(x) _swab_64_(x)
767# else
768# define PERL_NEED_MY_HTOBES
769# define PERL_NEED_MY_BETOHS
770# endif
771# if INTSIZE == 1
772# define my_htobei(x) (x)
773# define my_betohi(x) (x)
774# elif INTSIZE == 2
775# define my_htobei(x) _swab_16_(x)
776# define my_betohi(x) _swab_16_(x)
777# elif INTSIZE == 4
778# define my_htobei(x) _swab_32_(x)
779# define my_betohi(x) _swab_32_(x)
780# elif INTSIZE == 8
781# define my_htobei(x) _swab_64_(x)
782# define my_betohi(x) _swab_64_(x)
783# else
784# define PERL_NEED_MY_HTOBEI
785# define PERL_NEED_MY_BETOHI
786# endif
787# if LONGSIZE == 1
788# define my_htobel(x) (x)
789# define my_betohl(x) (x)
790# elif LONGSIZE == 2
791# define my_htobel(x) _swab_16_(x)
792# define my_betohl(x) _swab_16_(x)
793# elif LONGSIZE == 4
794# define my_htobel(x) _swab_32_(x)
795# define my_betohl(x) _swab_32_(x)
796# elif LONGSIZE == 8
797# define my_htobel(x) _swab_64_(x)
798# define my_betohl(x) _swab_64_(x)
799# else
800# define PERL_NEED_MY_HTOBEL
801# define PERL_NEED_MY_BETOHL
802# endif
803# define my_htolen(p,n) NOOP
804# define my_letohn(p,n) NOOP
805# define my_htoben(p,n) my_swabn(p,n)
806# define my_betohn(p,n) my_swabn(p,n)
807/*----------------------------------------------------------------------------*/
808# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
809/*----------------------------------------------------------------------------*/
810# define my_htobe16(x) (x)
811# define my_betoh16(x) (x)
812# define my_htobe32(x) (x)
813# define my_betoh32(x) (x)
814# define my_htole16(x) _swab_16_(x)
815# define my_letoh16(x) _swab_16_(x)
816# define my_htole32(x) _swab_32_(x)
817# define my_letoh32(x) _swab_32_(x)
818# ifdef HAS_QUAD
819# define my_htobe64(x) (x)
820# define my_betoh64(x) (x)
821# define my_htole64(x) _swab_64_(x)
822# define my_letoh64(x) _swab_64_(x)
823# endif
824# define my_htobes(x) (x)
825# define my_betohs(x) (x)
826# define my_htobei(x) (x)
827# define my_betohi(x) (x)
828# define my_htobel(x) (x)
829# define my_betohl(x) (x)
830# if SHORTSIZE == 1
831# define my_htoles(x) (x)
832# define my_letohs(x) (x)
833# elif SHORTSIZE == 2
834# define my_htoles(x) _swab_16_(x)
835# define my_letohs(x) _swab_16_(x)
836# elif SHORTSIZE == 4
837# define my_htoles(x) _swab_32_(x)
838# define my_letohs(x) _swab_32_(x)
839# elif SHORTSIZE == 8
840# define my_htoles(x) _swab_64_(x)
841# define my_letohs(x) _swab_64_(x)
842# else
843# define PERL_NEED_MY_HTOLES
844# define PERL_NEED_MY_LETOHS
845# endif
846# if INTSIZE == 1
847# define my_htolei(x) (x)
848# define my_letohi(x) (x)
849# elif INTSIZE == 2
850# define my_htolei(x) _swab_16_(x)
851# define my_letohi(x) _swab_16_(x)
852# elif INTSIZE == 4
853# define my_htolei(x) _swab_32_(x)
854# define my_letohi(x) _swab_32_(x)
855# elif INTSIZE == 8
856# define my_htolei(x) _swab_64_(x)
857# define my_letohi(x) _swab_64_(x)
858# else
859# define PERL_NEED_MY_HTOLEI
860# define PERL_NEED_MY_LETOHI
861# endif
862# if LONGSIZE == 1
863# define my_htolel(x) (x)
864# define my_letohl(x) (x)
865# elif LONGSIZE == 2
866# define my_htolel(x) _swab_16_(x)
867# define my_letohl(x) _swab_16_(x)
868# elif LONGSIZE == 4
869# define my_htolel(x) _swab_32_(x)
870# define my_letohl(x) _swab_32_(x)
871# elif LONGSIZE == 8
872# define my_htolel(x) _swab_64_(x)
873# define my_letohl(x) _swab_64_(x)
874# else
875# define PERL_NEED_MY_HTOLEL
876# define PERL_NEED_MY_LETOHL
877# endif
878# define my_htolen(p,n) my_swabn(p,n)
879# define my_letohn(p,n) my_swabn(p,n)
880# define my_htoben(p,n) NOOP
881# define my_betohn(p,n) NOOP
882/*----------------------------------------------------------------------------*/
883# else /* all other byte-orders */
884/*----------------------------------------------------------------------------*/
885# define PERL_NEED_MY_HTOLE16
886# define PERL_NEED_MY_LETOH16
887# define PERL_NEED_MY_HTOBE16
888# define PERL_NEED_MY_BETOH16
889# define PERL_NEED_MY_HTOLE32
890# define PERL_NEED_MY_LETOH32
891# define PERL_NEED_MY_HTOBE32
892# define PERL_NEED_MY_BETOH32
893# ifdef HAS_QUAD
894# define PERL_NEED_MY_HTOLE64
895# define PERL_NEED_MY_LETOH64
896# define PERL_NEED_MY_HTOBE64
897# define PERL_NEED_MY_BETOH64
898# endif
899# define PERL_NEED_MY_HTOLES
900# define PERL_NEED_MY_LETOHS
901# define PERL_NEED_MY_HTOBES
902# define PERL_NEED_MY_BETOHS
903# define PERL_NEED_MY_HTOLEI
904# define PERL_NEED_MY_LETOHI
905# define PERL_NEED_MY_HTOBEI
906# define PERL_NEED_MY_BETOHI
907# define PERL_NEED_MY_HTOLEL
908# define PERL_NEED_MY_LETOHL
909# define PERL_NEED_MY_HTOBEL
910# define PERL_NEED_MY_BETOHL
911/*----------------------------------------------------------------------------*/
912# endif /* end of byte-order macros */
913/*----------------------------------------------------------------------------*/
914
9c17f24a
NC		 915/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
916 at least on FreeBSD. YMMV, so experiment. */
917#ifndef PERL_ARENA_SIZE
918#define PERL_ARENA_SIZE 4080
919#endif
920
1109a392
MHM		 921#endif /* PERL_CORE */
922
bdf3085f
NC		 923/* We no longer default to creating a new SV for GvSV.
924 Do this before embed. */
925#ifndef PERL_CREATE_GVSV
7459f06b
NC		 926# ifndef PERL_DONT_CREATE_GVSV
927# define PERL_DONT_CREATE_GVSV
928# endif
bdf3085f
NC		 929#endif
930
ca0c25f6
NC		 931#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
932#define PERL_USES_PL_PIDSTATUS
933#endif
934
a62746fa
RGS		 935#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
936#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
937#endif
938
66a93824
NIS		 939/* Cannot include embed.h here on Win32 as win32.h has not
940 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
941 */
96e176bf 942#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 943# include "embed.h"
eb8433b7
NC		 944# ifndef PERL_MAD
945# undef op_getmad
b3f24c00 946# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 947# endif
cea2e8a9
GS		 948#endif
949
c31fac66
GS		 950#define MEM_SIZE Size_t
951
1936d2a7
NC		 952/* Round all values passed to malloc up, by default to a multiple of
953 sizeof(size_t)
954*/
955#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
956#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
957#endif
958
51371543
GS		 959#if defined(STANDARD_C) && defined(I_STDDEF)
960# include <stddef.h>
961# define STRUCT_OFFSET(s,m) offsetof(s,m)
962#else
963# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
964#endif
965
9969cdde 966#ifndef __SYMBIAN32__
27da23d5
JH		 967# if defined(I_STRING) || defined(__cplusplus)
968# include <string.h>
969# else
970# include <strings.h>
971# endif
51371543
GS		 972#endif
973
55497cff 974/* This comes after <stdlib.h> so we don't try to change the standard
975 * library prototypes; we'll use our own in proto.h instead. */
03a14243 976
4633a7c4 977#ifdef MYMALLOC
86058a2d 978# ifdef PERL_POLLUTE_MALLOC
ee13e175 979# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 980# define Perl_malloc malloc
981# define Perl_calloc calloc
982# define Perl_realloc realloc
983# define Perl_mfree free
ee13e175 984# endif
86058a2d
GS		 985# else
986# define EMBEDMYMALLOC /* for compatibility */
987# endif
827e134a 988
651b9576
GS		 989# define safemalloc Perl_malloc
990# define safecalloc Perl_calloc
991# define saferealloc Perl_realloc
992# define safefree Perl_mfree
22f7c9c9
JH		 993# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
994 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
995 code; \
996 } STMT_END
997# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
998 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
999# define panic_write2(s) write(2, s, strlen(s))
1000# define CHECK_MALLOC_TAINT(newval) \
1001 CHECK_MALLOC_TOO_LATE_FOR_( \
1002 if (newval) { \
1003 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1004 exit(1); })
22f7c9c9 1005# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1006 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1007 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1008 }} STMT_END;
f2517201
GS		 1009#else /* MYMALLOC */
1010# define safemalloc safesysmalloc
1011# define safecalloc safesyscalloc
1012# define saferealloc safesysrealloc
1013# define safefree safesysfree
22f7c9c9
JH		 1014# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1015# define CHECK_MALLOC_TAINT(newval) ((void)0)
1016# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1017#endif /* MYMALLOC */
4633a7c4 1018
27da23d5 1019#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		 1020#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1021#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1022#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1023
a0d0e21e
LW		 1024#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1025#define strchr index
1026#define strrchr rindex
1027#endif
1028
16d20bd9
AD		 1029#ifdef I_MEMORY
1030# include <memory.h>
1031#endif
1032
fe14fcc3 1033#ifdef HAS_MEMCPY
85e6fe83 1034# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1035# ifndef memcpy
20ce7b12 1036 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1037# endif
1038# endif
1039#else
1040# ifndef memcpy
1041# ifdef HAS_BCOPY
1042# define memcpy(d,s,l) bcopy(s,d,l)
1043# else
1044# define memcpy(d,s,l) my_bcopy(s,d,l)
1045# endif
1046# endif
1047#endif /* HAS_MEMCPY */
fe14fcc3 1048
ee0007ab 1049#ifdef HAS_MEMSET
85e6fe83 1050# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1051# ifndef memset
20ce7b12 1052 extern char *memset (char*, int, int);
ee0007ab
LW		 1053# endif
1054# endif
ee0007ab 1055#else
12ae5dfc 1056# undef memset
fc36a67e 1057# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1058#endif /* HAS_MEMSET */
1059
85e6fe83 1060#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1061# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1062# define memmove(d,s,l) bcopy(s,d,l)
1063# else
2304df62 1064# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1065# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1066# else
79072805 1067# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1068# endif
352d5a3a 1069# endif
d9d8d8de 1070#endif
ee0007ab 1071
36477c24 1072#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1073# undef HAS_MEMCMP
1074#endif
1075
1076#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1077# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1078# ifndef memcmp
20ce7b12 1079 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1080# endif
1081# endif
36477c24 1082# ifdef BUGGY_MSC
7e4e8c89 1083# pragma function(memcmp)
36477c24 1084# endif
ee0007ab
LW		 1085#else
1086# ifndef memcmp
ecfc5424 1087# define memcmp my_memcmp
352d5a3a 1088# endif
36477c24 1089#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1090
fc36a67e 1091#ifndef memzero
c635e13b 1092# ifdef HAS_MEMSET
1093# define memzero(d,l) memset(d,0,l)
79072805 1094# else
c635e13b 1095# ifdef HAS_BZERO
1096# define memzero(d,l) bzero(d,l)
79072805 1097# else
fc36a67e 1098# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1099# endif
1100# endif
d9d8d8de 1101#endif
378cc40b 1102
2f42fcb0 1103#ifndef PERL_MICRO
0f27ced1
JH		 1104#ifndef memchr
1105# ifndef HAS_MEMCHR
1106# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1107# endif
1108#endif
2f42fcb0 1109#endif
0f27ced1 1110
36477c24 1111#ifndef HAS_BCMP
1112# ifndef bcmp
1113# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1114# endif
36477c24 1115#endif /* !HAS_BCMP */
378cc40b 1116
ae986130 1117#ifdef I_NETINET_IN
79072805 1118# include <netinet/in.h>
ae986130
LW		 1119#endif
1120
28e8609d
JH		 1121#ifdef I_ARPA_INET
1122# include <arpa/inet.h>
1123#endif
1124
84902520
TB		 1125#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1126/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1127 * (the neo-BSD seem to do this). */
1128# undef SF_APPEND
1129#endif
1130
1aef975c 1131#ifdef I_SYS_STAT
84902520 1132# include <sys/stat.h>
1aef975c 1133#endif
79072805 1134
a0d0e21e
LW		 1135/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1136 like UTekV) are broken, sometimes giving false positives. Undefine
1137 them here and let the code below set them to proper values.
1138
1139 The ghs macro stands for GreenHills Software C-1.8.5 which
1140 is the C compiler for sysV88 and the various derivatives.
1141 This header file bug is corrected in gcc-2.5.8 and later versions.
1142 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1143
1144#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1145# undef S_ISDIR
1146# undef S_ISCHR
1147# undef S_ISBLK
1148# undef S_ISREG
1149# undef S_ISFIFO
1150# undef S_ISLNK
ee0007ab 1151#endif
135863df 1152
663a0e37
LW		 1153#ifdef I_TIME
1154# include <time.h>
ffed7fef 1155#endif
663a0e37 1156
fe14fcc3 1157#ifdef I_SYS_TIME
85e6fe83 1158# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1159# define KERNEL
1160# endif
1161# include <sys/time.h>
85e6fe83 1162# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1163# undef KERNEL
1164# endif
a687059c 1165#endif
135863df 1166
55497cff 1167#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1168# include <sys/times.h>
d9d8d8de 1169#endif
8d063cd8 1170
fe14fcc3 1171#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1172# undef HAS_STRERROR
663a0e37
LW		 1173#endif
1174
1175#include <errno.h>
1e743fda 1176
acfe0abc 1177#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1178# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1179#endif
1180
8cfab5ff
JH		 1181/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1182 * This is important for using IPv6.
1183 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1184 * a bad idea since it breaks send() and recv(). */
1185#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1186# define _SOCKADDR_LEN
1187#endif
1188
8d3f517a 1189#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1190# include <sys/socket.h>
1191# if defined(USE_SOCKS) && defined(I_SOCKS)
1192# if !defined(INCLUDE_PROTOTYPES)
1193# define INCLUDE_PROTOTYPES /* for <socks.h> */
1194# define PERL_SOCKS_NEED_PROTOTYPES
1195# endif
1196# include <socks.h>
1197# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1198# undef INCLUDE_PROTOTYPES
1199# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1200# endif
d460ef45 1201# endif
1e743fda 1202# ifdef I_NETDB
2986a63f
JH		 1203# ifdef NETWARE
1204# include<stdio.h>
1205# endif
1e743fda
JH		 1206# include <netdb.h>
1207# endif
1208# ifndef ENOTSOCK
1209# ifdef I_NET_ERRNO
1210# include <net/errno.h>
1211# endif
1212# endif
1213#endif
1214
fa0a29af 1215/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1216 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1217 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1218#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1219# if defined(__THROW) && defined(__GLIBC__)
1220int sockatmark(int) __THROW;
1221# else
2ef53570 1222int sockatmark(int);
29820b6d 1223# endif
2ef53570
JH		 1224#endif
1225
7e827271 1226#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		 1227EXTERN_C int fchdir(int);
1228EXTERN_C int flock(int, int);
1229EXTERN_C int fseeko(FILE *, off_t, int);
1230EXTERN_C off_t ftello(FILE *);
1231#endif
1232
7e827271 1233#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1234EXTERN_C char *crypt(const char *, const char *);
7e827271 1235EXTERN_C char **environ;
1ccb7c8d
JH		 1236#endif
1237
83a6ff2e 1238#if defined(__cplusplus)
944c4fda 1239# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1240EXTERN_C char **environ;
83a6ff2e 1241# elif defined(__CYGWIN__)
667e2948
SP		 1242EXTERN_C char *crypt(const char *, const char *);
1243#endif
83a6ff2e 1244#endif
667e2948 1245
1e743fda
JH		 1246#ifdef SETERRNO
1247# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1248#endif
f86702cc 1249
1250#ifdef VMS
1251# define SETERRNO(errcode,vmserrcode) \
1252 STMT_START { \
1253 set_errno(errcode); \
1254 set_vaxc_errno(vmserrcode); \
1255 } STMT_END
93189314
JH		 1256# define LIB_INVARG LIB$_INVARG
1257# define RMS_DIR RMS$_DIR
1258# define RMS_FAC RMS$_FAC
1259# define RMS_FEX RMS$_FEX
1260# define RMS_FNF RMS$_FNF
1261# define RMS_IFI RMS$_IFI
1262# define RMS_ISI RMS$_ISI
1263# define RMS_PRV RMS$_PRV
1264# define SS_ACCVIO SS$_ACCVIO
1265# define SS_DEVOFFLINE SS$_DEVOFFLINE
1266# define SS_IVCHAN SS$_IVCHAN
1267# define SS_NORMAL SS$_NORMAL
748a9306 1268#else
aba27d88 1269# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1270# define LIB_INVARG 0
1271# define RMS_DIR 0
1272# define RMS_FAC 0
1273# define RMS_FEX 0
1274# define RMS_FNF 0
1275# define RMS_IFI 0
1276# define RMS_ISI 0
1277# define RMS_PRV 0
1278# define SS_ACCVIO 0
1279# define SS_DEVOFFLINE 0
1280# define SS_IVCHAN 0
1281# define SS_NORMAL 0
748a9306 1282#endif
ed6116ce 1283
3db8f154 1284#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1285/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1286#define DEFSV GvSVn(PL_defgv)
3db8f154 1287#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1288
98eae8f5
GS		 1289#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1290
55497cff 1291#ifndef errno
5ff3f7a4
GS		 1292 extern int errno; /* ANSI allows errno to be an lvalue expr.
1293 * For example in multithreaded environments
1294 * something like this might happen:
1295 * extern int *_errno(void);
1296 * #define errno (*_errno()) */
d9d8d8de 1297#endif
663a0e37 1298
2304df62 1299#ifdef HAS_STRERROR
a0d0e21e 1300# ifdef VMS
20ce7b12 1301 char *strerror (int,...);
a0d0e21e 1302# else
68dc0745 1303#ifndef DONT_DECLARE_STD
20ce7b12 1304 char *strerror (int);
68dc0745 1305#endif
a0d0e21e 1306# endif
2304df62
AD		 1307# ifndef Strerror
1308# define Strerror strerror
1309# endif
1310#else
1311# ifdef HAS_SYS_ERRLIST
79072805
LW		 1312 extern int sys_nerr;
1313 extern char *sys_errlist[];
2304df62
AD		 1314# ifndef Strerror
1315# define Strerror(e) \
79072805 1316 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1317# endif
79072805 1318# endif
35c8bce7 1319#endif
663a0e37 1320
2304df62 1321#ifdef I_SYS_IOCTL
79072805
LW		 1322# ifndef _IOCTL_
1323# include <sys/ioctl.h>
1324# endif
a687059c
LW		 1325#endif
1326
ee0007ab 1327#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1328# ifdef HAS_SOCKETPAIR
1329# undef HAS_SOCKETPAIR
1330# endif
2304df62
AD		 1331# ifdef I_NDBM
1332# undef I_NDBM
79072805 1333# endif
a687059c
LW		 1334#endif
1335
02fc2eee
NC		 1336#ifndef HAS_SOCKETPAIR
1337# ifdef HAS_SOCKET
1338# define socketpair Perl_my_socketpair
1339# endif
1340#endif
1341
a687059c 1342#if INTSIZE == 2
79072805
LW		 1343# define htoni htons
1344# define ntohi ntohs
a687059c 1345#else
79072805
LW		 1346# define htoni htonl
1347# define ntohi ntohl
a687059c
LW		 1348#endif
1349
a0d0e21e 1350/* Configure already sets Direntry_t */
35c8bce7 1351#if defined(I_DIRENT)
663a0e37 1352# include <dirent.h>
8f1f23e8
W		 1353 /* NeXT needs dirent + sys/dir.h */
1354# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1355# include <sys/dir.h>
1356# endif
ae986130 1357#else
fe14fcc3 1358# ifdef I_SYS_NDIR
79a0689e 1359# include <sys/ndir.h>
663a0e37 1360# else
fe14fcc3 1361# ifdef I_SYS_DIR
79a0689e
LW		 1362# ifdef hp9000s500
1363# include <ndir.h> /* may be wrong in the future */
1364# else
1365# include <sys/dir.h>
1366# endif
663a0e37
LW		 1367# endif
1368# endif
4633a7c4 1369#endif
a687059c 1370
12ae5dfc
JH		 1371#ifdef PERL_MICRO
1372# ifndef DIR
1373# define DIR void
1374# endif
1375#endif
1376
352d5a3a
LW		 1377#ifdef FPUTS_BOTCH
1378/* work around botch in SunOS 4.0.1 and 4.0.2 */
1379# ifndef fputs
79072805 1380# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1381# endif
1382#endif
1383
c623bd54
LW		 1384/*
1385 * The following gobbledygook brought to you on behalf of __STDC__.
1386 * (I could just use #ifndef __STDC__, but this is more bulletproof
1387 * in the face of half-implementations.)
1388 */
1389
7114a2d2 1390#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1391#include <sys/mode.h>
1392#endif
1393
c623bd54
LW		 1394#ifndef S_IFMT
1395# ifdef _S_IFMT
1396# define S_IFMT _S_IFMT
1397# else
1398# define S_IFMT 0170000
1399# endif
1400#endif
1401
1402#ifndef S_ISDIR
1403# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1404#endif
1405
1406#ifndef S_ISCHR
1407# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1408#endif
1409
1410#ifndef S_ISBLK
fe14fcc3
LW		 1411# ifdef S_IFBLK
1412# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1413# else
1414# define S_ISBLK(m) (0)
1415# endif
c623bd54
LW		 1416#endif
1417
1418#ifndef S_ISREG
1419# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1420#endif
1421
1422#ifndef S_ISFIFO
fe14fcc3
LW		 1423# ifdef S_IFIFO
1424# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1425# else
1426# define S_ISFIFO(m) (0)
1427# endif
c623bd54
LW		 1428#endif
1429
1430#ifndef S_ISLNK
1431# ifdef _S_ISLNK
1432# define S_ISLNK(m) _S_ISLNK(m)
1433# else
1434# ifdef _S_IFLNK
1435# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1436# else
1437# ifdef S_IFLNK
1438# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1439# else
1440# define S_ISLNK(m) (0)
1441# endif
1442# endif
1443# endif
1444#endif
1445
1446#ifndef S_ISSOCK
1447# ifdef _S_ISSOCK
1448# define S_ISSOCK(m) _S_ISSOCK(m)
1449# else
1450# ifdef _S_IFSOCK
1451# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1452# else
1453# ifdef S_IFSOCK
1454# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1455# else
1456# define S_ISSOCK(m) (0)
1457# endif
1458# endif
1459# endif
1460#endif
1461
1462#ifndef S_IRUSR
1463# ifdef S_IREAD
1464# define S_IRUSR S_IREAD
1465# define S_IWUSR S_IWRITE
1466# define S_IXUSR S_IEXEC
1467# else
1468# define S_IRUSR 0400
1469# define S_IWUSR 0200
1470# define S_IXUSR 0100
1471# endif
fac7cdfc
JS		 1472#endif
1473
1474#ifndef S_IRGRP
1475# ifdef S_IRUSR
1476# define S_IRGRP (S_IRUSR>>3)
1477# define S_IWGRP (S_IWUSR>>3)
1478# define S_IXGRP (S_IXUSR>>3)
1479# else
1480# define S_IRGRP 0040
1481# define S_IWGRP 0020
1482# define S_IXGRP 0010
1483# endif
1484#endif
1485
1486#ifndef S_IROTH
1487# ifdef S_IRUSR
1488# define S_IROTH (S_IRUSR>>6)
1489# define S_IWOTH (S_IWUSR>>6)
1490# define S_IXOTH (S_IXUSR>>6)
1491# else
1492# define S_IROTH 0040
1493# define S_IWOTH 0020
1494# define S_IXOTH 0010
1495# endif
c623bd54
LW		 1496#endif
1497
1498#ifndef S_ISUID
1499# define S_ISUID 04000
1500#endif
1501
1502#ifndef S_ISGID
1503# define S_ISGID 02000
1504#endif
1505
ca6e1c26
JH		 1506#ifndef S_IRWXU
1507# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1508#endif
ca6e1c26
JH		 1509
1510#ifndef S_IRWXG
1511# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1512#endif
ca6e1c26
JH		 1513
1514#ifndef S_IRWXO
1515# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1516#endif
ca6e1c26 1517
c21fb2b8
JH		 1518/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1519 * which would get included through <sys/file.h >, but that is 3000
1520 * lines in the future. --jhi */
1521
1522#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1523# define S_IREAD S_IRUSR
1524#endif
1525
c21fb2b8 1526#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1527# define S_IWRITE S_IWUSR
1528#endif
1529
1530#ifndef S_IEXEC
1531# define S_IEXEC S_IXUSR
1532#endif
1533
79072805
LW		 1534#ifdef ff_next
1535# undef ff_next
352d5a3a
LW		 1536#endif
1537
a0d0e21e 1538#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1539# define SLOPPYDIVIDE
1540#endif
1541
748a9306
LW		 1542#ifdef UV
1543#undef UV
1544#endif
1545
c89df6bf
JH		 1546#ifdef SPRINTF_E_BUG
1547# define sprintf UTS_sprintf_wrap
1548#endif
1549
ce582cee
NC		 1550/* For the times when you want the return value of sprintf, and you want it
1551 to be the length. Can't have a thread variable passed in, because C89 has
1552 no varargs macros.
1553*/
1554#ifdef SPRINTF_RETURNS_STRLEN
1555# define my_sprintf sprintf
1556#else
1557# define my_sprintf Perl_my_sprintf
1558#endif
1559
5b692037
JH		 1560/*
1561 * If we have v?snprintf() and the C99 variadic macros, we can just
1562 * use just the v?snprintf(). It is nice to try to trap the buffer
1563 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1564 * gcc statement expressions, then use the function wrappers which try
1565 * to trap the overflow. If we can use the gcc statement expressions,
1566 * we can try that even with the version that uses the C99 variadic
1567 * macros.
5b692037
JH		 1568 */
1569
1208b3dd
JH		 1570/* Note that we do not check against snprintf()/vsnprintf() returning
1571 * negative values because that is non-standard behaviour and we use
1572 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1573 * that should be true only if the snprintf()/vsnprintf() are true
1574 * to the standard. */
1575
dfeee9b1 1576#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1577# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1578# 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 1579# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1580# else
1581# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1582# endif
1583#else
1584# define my_snprintf Perl_my_snprintf
1208b3dd 1585# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1586#endif
1587
dfeee9b1 1588#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1589# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1590# 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 1591# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1592# else
1593# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1594# endif
1595#else
1596# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1597# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1598#endif
d9fad198 1599
a6cc4119
SP		 1600#ifdef HAS_STRLCAT
1601# define my_strlcat strlcat
1602#else
1603# define my_strlcat Perl_my_strlcat
1604#endif
1605
1606#ifdef HAS_STRLCPY
1607# define my_strlcpy strlcpy
1608#else
1609# define my_strlcpy Perl_my_strlcpy
1610#endif
1611
c495e728
JH		 1612/* Configure gets this right but the UTS compiler gets it wrong.
1613 -- Hal Morris <hom00@utsglobal.com> */
1614#ifdef UTS
1615# undef UVTYPE
1616# define UVTYPE unsigned
1617#endif
1618
05f13f53 1619/*
27d4fb96 1620 The IV type is supposed to be long enough to hold any integral
1621 value or a pointer.
1622 --Andy Dougherty August 1996
1623*/
1624
a22e52b9
JH		 1625typedef IVTYPE IV;
1626typedef UVTYPE UV;
8175356b 1627
10cc9d2a 1628#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1629# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1630# define IV_MAX INT64_MAX
1631# define IV_MIN INT64_MIN
1632# define UV_MAX UINT64_MAX
cae7ae48
JH		 1633# ifndef UINT64_MIN
1634# define UINT64_MIN 0
1635# endif
5ff3f7a4
GS		 1636# define UV_MIN UINT64_MIN
1637# else
1638# define IV_MAX PERL_QUAD_MAX
1639# define IV_MIN PERL_QUAD_MIN
1640# define UV_MAX PERL_UQUAD_MAX
1641# define UV_MIN PERL_UQUAD_MIN
1642# endif
cf2093f6
JH		 1643# define IV_IS_QUAD
1644# define UV_IS_QUAD
79072805 1645#else
8175356b 1646# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1647# define IV_MAX INT32_MAX
1648# define IV_MIN INT32_MIN
716026f9
DL		 1649# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1650# define UV_MAX UINT32_MAX
1651# else
1652# define UV_MAX 4294967295U
1653# endif
cae7ae48
JH		 1654# ifndef UINT32_MIN
1655# define UINT32_MIN 0
1656# endif
5ff3f7a4
GS		 1657# define UV_MIN UINT32_MIN
1658# else
1659# define IV_MAX PERL_LONG_MAX
1660# define IV_MIN PERL_LONG_MIN
1661# define UV_MAX PERL_ULONG_MAX
1662# define UV_MIN PERL_ULONG_MIN
1663# endif
8175356b 1664# if IVSIZE == 8
cf2093f6
JH		 1665# define IV_IS_QUAD
1666# define UV_IS_QUAD
de1c2614
JH		 1667# ifndef HAS_QUAD
1668# define HAS_QUAD
1669# endif
cf2093f6
JH		 1670# else
1671# undef IV_IS_QUAD
1672# undef UV_IS_QUAD
de1c2614 1673# undef HAS_QUAD
cf2093f6 1674# endif
79072805 1675#endif
d7d93a81 1676
1109a392
MHM		 1677#ifndef HAS_QUAD
1678# undef PERL_NEED_MY_HTOLE64
1679# undef PERL_NEED_MY_LETOH64
1680# undef PERL_NEED_MY_HTOBE64
1681# undef PERL_NEED_MY_BETOH64
1682#endif
1683
6cde8aec 1684#if defined(uts) || defined(UTS)
11afe549
HM		 1685# undef UV_MAX
1686# define UV_MAX (4294967295u)
20601011
JH		 1687#endif
1688
cae7ae48 1689#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1690#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1691
28e5dec8 1692#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1693#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1694#endif
1695
d460ef45 1696/*
26bb67e2
JH		 1697 * The macros INT2PTR and NUM2PTR are (despite their names)
1698 * bi-directional: they will convert int/float to or from pointers.
1699 * However the conversion to int/float are named explicitly:
1700 * PTR2IV, PTR2UV, PTR2NV.
1701 *
1702 * For int conversions we do not need two casts if pointers are
1703 * the same size as IV and UV. Otherwise we need an explicit
1704 * cast (PTRV) to avoid compiler warnings.
1705 */
56431972
RB		 1706#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1707# define PTRV UV
1708# define INT2PTR(any,d) (any)(d)
1709#else
d460ef45 1710# if PTRSIZE == LONGSIZE
56431972 1711# define PTRV unsigned long
e91e3b10 1712# define PTR2ul(p) (unsigned long)(p)
42718184 1713# else
56431972 1714# define PTRV unsigned
42718184 1715# endif
e91e3b10
RB		 1716#endif
1717
1718#ifndef INT2PTR
56431972 1719# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1720#endif
e91e3b10
RB		 1721
1722#ifndef PTR2ul
1723# define PTR2ul(p) INT2PTR(unsigned long,p)
1724#endif
1725
56431972
RB		 1726#define NUM2PTR(any,d) (any)(PTRV)(d)
1727#define PTR2IV(p) INT2PTR(IV,p)
1728#define PTR2UV(p) INT2PTR(UV,p)
1729#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1730#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1731
8141890a
JH		 1732/* According to strict ANSI C89 one cannot freely cast between
1733 * data pointers and function (code) pointers. There are at least
1734 * two ways around this. One (used below) is to do two casts,
1735 * first the other pointer to an (unsigned) integer, and then
1736 * the integer to the other pointer. The other way would be
1737 * to use unions to "overlay" the pointers. For an example of
1738 * the latter technique, see union dirpu in struct xpvio in sv.h.
1739 * The only feasible use is probably temporarily storing
1740 * function pointers in a data pointer (such as a void pointer). */
1741
e91e3b10
RB		 1742#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1743#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1744
65202027 1745#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1746# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1747# define LONG_DOUBLE_EQUALS_DOUBLE
1748# endif
68d4903c 1749# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1750# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1751# endif
1752#endif
1753
2d4389e4
JH		 1754#ifdef OVR_DBL_DIG
1755/* Use an overridden DBL_DIG */
1756# ifdef DBL_DIG
1757# undef DBL_DIG
1758# endif
1759# define DBL_DIG OVR_DBL_DIG
1760#else
1761/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1762 default value for printing floating point numbers in Gconvert
1763 (see config.h). (It also has other uses, such as figuring out if
1764 a given precision of printing can be done with a double instead of
1765 a long double - Allen).
2d4389e4
JH		 1766*/
1767#ifdef I_LIMITS
1768#include <limits.h>
1769#endif
1770#ifdef I_FLOAT
1771#include <float.h>
1772#endif
1773#ifndef HAS_DBL_DIG
1774#define DBL_DIG 15 /* A guess that works lots of places */
1775#endif
1776#endif
1777
1778#ifdef OVR_LDBL_DIG
1779/* Use an overridden LDBL_DIG */
1780# ifdef LDBL_DIG
1781# undef LDBL_DIG
1782# endif
1783# define LDBL_DIG OVR_LDBL_DIG
1784#else
1785/* The following is all to get LDBL_DIG, in order to pick a nice
1786 default value for printing floating point numbers in Gconvert.
1787 (see config.h)
1788*/
68d4903c
JH		 1789# ifdef I_LIMITS
1790# include <limits.h>
1791# endif
1792# ifdef I_FLOAT
1793# include <float.h>
1794# endif
1795# ifndef HAS_LDBL_DIG
1796# if LONG_DOUBLESIZE == 10
1797# define LDBL_DIG 18 /* assume IEEE */
1798# else
1799# if LONG_DOUBLESIZE == 12
1800# define LDBL_DIG 18 /* gcc? */
1801# else
1802# if LONG_DOUBLESIZE == 16
1803# define LDBL_DIG 33 /* assume IEEE */
1804# else
1805# if LONG_DOUBLESIZE == DOUBLESIZE
1806# define LDBL_DIG DBL_DIG /* bummer */
1807# endif
1808# endif
1809# endif
1810# endif
1811# endif
2d4389e4
JH		 1812#endif
1813
20f6aaab
AS		 1814/*
1815 * This is for making sure we have a good DBL_MAX value, if possible,
1816 * either for usage as NV_MAX or for usage in figuring out if we can
1817 * fit a given long double into a double, if bug-fixing makes it
1818 * necessary to do so. - Allen <allens@cpan.org>
1819 */
1820
205f51d8
AS		 1821#ifdef I_LIMITS
1822# include <limits.h>
20f6aaab
AS		 1823#endif
1824
205f51d8
AS		 1825#ifdef I_VALUES
1826# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1827# include <values.h>
1828# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1829# define DBL_MAX MAXDOUBLE
1830# endif
1831# if defined(MINDOUBLE) && !defined(DBL_MIN)
1832# define DBL_MIN MINDOUBLE
1833# endif
1834# endif
1835#endif /* defined(I_VALUES) */
1836
a22e52b9 1837typedef NVTYPE NV;
8175356b 1838
792d8dab
JH		 1839#ifdef I_IEEEFP
1840# include <ieeefp.h>
1841#endif
923fc586 1842
65202027 1843#ifdef USE_LONG_DOUBLE
923fc586
JH		 1844# ifdef I_SUNMATH
1845# include <sunmath.h>
1846# endif
2d4389e4 1847# define NV_DIG LDBL_DIG
d6c14000
JH		 1848# ifdef LDBL_MANT_DIG
1849# define NV_MANT_DIG LDBL_MANT_DIG
1850# endif
06fc1729
JH		 1851# ifdef LDBL_MIN
1852# define NV_MIN LDBL_MIN
1853# endif
1854# ifdef LDBL_MAX
1855# define NV_MAX LDBL_MAX
1856# endif
1857# ifdef LDBL_MIN_10_EXP
1858# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1859# endif
1860# ifdef LDBL_MAX_10_EXP
1861# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1862# endif
1863# ifdef LDBL_EPSILON
1864# define NV_EPSILON LDBL_EPSILON
1865# endif
f4a14a62
JH		 1866# ifdef LDBL_MAX
1867# define NV_MAX LDBL_MAX
20f6aaab 1868/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1869# else
1870# ifdef HUGE_VALL
1871# define NV_MAX HUGE_VALL
1872# else
1873# ifdef HUGE_VAL
1874# define NV_MAX ((NV)HUGE_VAL)
1875# endif
1876# endif
1877# endif
68d4903c 1878# ifdef HAS_SQRTL
68d4903c
JH		 1879# define Perl_cos cosl
1880# define Perl_sin sinl
1881# define Perl_sqrt sqrtl
1882# define Perl_exp expl
1883# define Perl_log logl
1884# define Perl_atan2 atan2l
1885# define Perl_pow powl
1886# define Perl_floor floorl
1bbae031 1887# define Perl_ceil ceill
68d4903c
JH		 1888# define Perl_fmod fmodl
1889# endif
a3540c92
JH		 1890/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1891# ifdef HAS_MODFL
1892# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1893/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1894 prototype in <math.h> */
1895# ifndef HAS_MODFL_PROTO
a221a8a5 1896EXTERN_C long double modfl(long double, long double *);
51997bc3 1897# endif
03476e8e
JH		 1898# else
1899# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1900 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1901# define Perl_modf(x,y) Perl_my_modfl(x,y)
1902# endif
a3540c92
JH		 1903# endif
1904# ifdef HAS_FREXPL
dff3e0b8 1905# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1906# else
1907# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1908 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1909# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1910# endif
a3540c92 1911# endif
38dbb4c5 1912# ifndef Perl_isnan
758a5d79
JH		 1913# ifdef HAS_ISNANL
1914# define Perl_isnan(x) isnanl(x)
1915# endif
1916# endif
1917# ifndef Perl_isinf
1918# ifdef HAS_FINITEL
1919# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1920# endif
1921# endif
65202027 1922#else
2d4389e4 1923# define NV_DIG DBL_DIG
d6c14000
JH		 1924# ifdef DBL_MANT_DIG
1925# define NV_MANT_DIG DBL_MANT_DIG
1926# endif
06fc1729
JH		 1927# ifdef DBL_MIN
1928# define NV_MIN DBL_MIN
1929# endif
1930# ifdef DBL_MAX
1931# define NV_MAX DBL_MAX
1932# endif
1933# ifdef DBL_MIN_10_EXP
1934# define NV_MIN_10_EXP DBL_MIN_10_EXP
1935# endif
1936# ifdef DBL_MAX_10_EXP
1937# define NV_MAX_10_EXP DBL_MAX_10_EXP
1938# endif
1939# ifdef DBL_EPSILON
1940# define NV_EPSILON DBL_EPSILON
1941# endif
205f51d8 1942# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1943# define NV_MAX DBL_MAX
1944# define NV_MIN DBL_MIN
1945# else
1946# ifdef HUGE_VAL
1947# define NV_MAX HUGE_VAL
1948# endif
1949# endif
65202027
DS		 1950# define Perl_cos cos
1951# define Perl_sin sin
1952# define Perl_sqrt sqrt
1953# define Perl_exp exp
1954# define Perl_log log
1955# define Perl_atan2 atan2
1956# define Perl_pow pow
1957# define Perl_floor floor
1bbae031 1958# define Perl_ceil ceil
65202027 1959# define Perl_fmod fmod
a3540c92 1960# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1961# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1962#endif
1963
1964/* rumor has it that Win32 has _fpclass() */
1965
205f51d8
AS		 1966/* SGI has fpclassl... but not with the same result values,
1967 * and it's via a typedef (not via #define), so will need to redo Configure
1968 * to use. Not worth the trouble, IMO, at least until the below is used
1969 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1970 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1971 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1972
758a5d79
JH		 1973#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1974# ifdef I_IEEFP
1975# include <ieeefp.h>
1976# endif
1977# ifdef I_FP
1978# include <fp.h>
1979# endif
1980# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1981# define Perl_fp_class() fpclassl(x)
1982# else
1983# define Perl_fp_class() fpclass(x)
1984# endif
1985# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1986# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1987# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1988# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1989# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1990# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1991# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1992# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1993# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1994# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1995# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1996# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1997# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1998# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1999# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2000#endif
2001
7114a2d2 2002#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2003# include <math.h>
2004# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2005# include <fp_class.h>
2006# endif
2007# define Perl_fp_class(x) fp_class(x)
2008# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2009# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2010# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2011# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2012# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2013# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2014# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2015# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2016# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2017# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2018# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2019# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2020# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2021# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2022# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2023#endif
2024
2025#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2026# include <math.h>
2027# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2028# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2029# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2030# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2031# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2032# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2033#endif
2034
2035#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2036# include <math.h>
2037# ifndef _cplusplus
2038# define Perl_fp_class(x) class(x)
2039# else
2040# define Perl_fp_class(x) _class(x)
2041# endif
2042# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2043# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2044# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2045# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2046# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2047# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2048# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2049# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2050# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2051# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2052# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2053# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2054# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2055# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2056# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2057#endif
2058
2059/* rumor has it that Win32 has _isnan() */
2060
2061#ifndef Perl_isnan
a3540c92 2062# ifdef HAS_ISNAN
758a5d79
JH		 2063# define Perl_isnan(x) isnan((NV)x)
2064# else
2065# ifdef Perl_fp_class_nan
2066# define Perl_isnan(x) Perl_fp_class_nan(x)
2067# else
2068# ifdef HAS_UNORDERED
2069# define Perl_isnan(x) unordered((x), 0.0)
2070# else
2071# define Perl_isnan(x) ((x)!=(x))
2072# endif
2073# endif
2074# endif
2075#endif
2076
ca6c63e1
JH		 2077#ifdef UNDER_CE
2078int isnan(double d);
2079#endif
2080
758a5d79
JH		 2081#ifndef Perl_isinf
2082# ifdef HAS_ISINF
2083# define Perl_isinf(x) isinf((NV)x)
a3540c92 2084# else
758a5d79
JH		 2085# ifdef Perl_fp_class_inf
2086# define Perl_isinf(x) Perl_fp_class_inf(x)
2087# else
2088# define Perl_isinf(x) ((x)==NV_INF)
2089# endif
2090# endif
2091#endif
2092
2093#ifndef Perl_isfinite
2094# ifdef HAS_FINITE
2095# define Perl_isfinite(x) finite((NV)x)
2096# else
2097# ifdef HAS_ISFINITE
2098# define Perl_isfinite(x) isfinite(x)
2099# else
2100# ifdef Perl_fp_class_finite
2101# define Perl_isfinite(x) Perl_fp_class_finite(x)
2102# else
2103# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2104# endif
2105# endif
a3540c92 2106# endif
65202027
DS		 2107#endif
2108
a36244b7
JH		 2109/* The default is to use Perl's own atof() implementation (in numeric.c).
2110 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2111 * it is however best to use the native implementation of atof.
2112 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2113 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2114 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2115 * you may need to be using a different function than atof! */
a36244b7
JH		 2116
2117#ifndef USE_PERL_ATOF
2118# ifndef _UNICOS
2119# define USE_PERL_ATOF
2120# endif
2121#else
2122# if USE_PERL_ATOF == 0
2123# undef USE_PERL_ATOF
2124# endif
2125#endif
2126
2127#ifdef USE_PERL_ATOF
2128# define Perl_atof(s) Perl_my_atof(s)
2129# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2130#else
2131# define Perl_atof(s) (NV)atof(s)
2132# define Perl_atof2(s, n) ((n) = atof(s))
2133#endif
cf2093f6 2134
d460ef45 2135/* Previously these definitions used hardcoded figures.
760ac839
LW		 2136 * It is hoped these formula are more portable, although
2137 * no data one way or another is presently known to me.
2138 * The "PERL_" names are used because these calculated constants
2139 * do not meet the ANSI requirements for LONG_MAX, etc., which
2140 * need to be constants acceptable to #if - kja
2141 * define PERL_LONG_MAX 2147483647L
2142 * define PERL_LONG_MIN (-LONG_MAX - 1)
2143 * define PERL ULONG_MAX 4294967295L
2144 */
2145
2146#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2147# include <limits.h>
760ac839 2148#endif
205f51d8
AS		 2149/* Included values.h above if necessary; still including limits.h down here,
2150 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2151
99abf803 2152/*
2153 * Try to figure out max and min values for the integral types. THE CORRECT
2154 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2155 * following hacks are used if neither limits.h or values.h provide them:
2156 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2157 * for types < int: (unsigned TYPE)~(unsigned)0
2158 * The argument to ~ must be unsigned so that later signed->unsigned
2159 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2160 * and it must not be smaller than int because ~ does integral promotion.
2161 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2162 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2163 * The latter is a hack which happens to work on some machines but
2164 * does *not* catch any random system, or things like integer types
2165 * with NaN if that is possible.
2166 *
2167 * All of the types are explicitly cast to prevent accidental loss of
2168 * numeric range, and in the hope that they will be less likely to confuse
2169 * over-eager optimizers.
2170 *
2171 */
27d4fb96 2172
99abf803 2173#define PERL_UCHAR_MIN ((unsigned char)0)
2174
2175#ifdef UCHAR_MAX
2176# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2177#else
99abf803 2178# ifdef MAXUCHAR
2179# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2180# else
99abf803 2181# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2182# endif
2183#endif
d460ef45 2184
99abf803 2185/*
2186 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2187 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2188 * depending on local options. Until Configure detects this (or at least
2189 * detects whether the "signed" keyword is available) the CHAR ranges
2190 * will not be included. UCHAR functions normally.
2191 * - kja
2192 */
27d4fb96 2193
99abf803 2194#define PERL_USHORT_MIN ((unsigned short)0)
2195
2196#ifdef USHORT_MAX
2197# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2198#else
99abf803 2199# ifdef MAXUSHORT
2200# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2201# else
ef2f54b0
CB		 2202# ifdef USHRT_MAX
2203# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2204# else
2205# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2206# endif
27d4fb96 2207# endif
2208#endif
2209
27d4fb96 2210#ifdef SHORT_MAX
99abf803 2211# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2212#else
2213# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2214# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2215# else
ef2f54b0
CB		 2216# ifdef SHRT_MAX
2217# define PERL_SHORT_MAX ((short)SHRT_MAX)
2218# else
2219# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2220# endif
27d4fb96 2221# endif
2222#endif
2223
2224#ifdef SHORT_MIN
99abf803 2225# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2226#else
2227# ifdef MINSHORT
99abf803 2228# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2229# else
ef2f54b0
CB		 2230# ifdef SHRT_MIN
2231# define PERL_SHORT_MIN ((short)SHRT_MIN)
2232# else
2233# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2234# endif
27d4fb96 2235# endif
2236#endif
2237
99abf803 2238#ifdef UINT_MAX
2239# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2240#else
99abf803 2241# ifdef MAXUINT
2242# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2243# else
99abf803 2244# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2245# endif
2246#endif
2247
99abf803 2248#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2249
2250#ifdef INT_MAX
99abf803 2251# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2252#else
2253# ifdef MAXINT /* Often used in <values.h> */
99abf803 2254# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2255# else
99abf803 2256# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2257# endif
2258#endif
2259
2260#ifdef INT_MIN
99abf803 2261# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2262#else
2263# ifdef MININT
99abf803 2264# define PERL_INT_MIN ((int)MININT)
27d4fb96 2265# else
2266# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2267# endif
2268#endif
2269
99abf803 2270#ifdef ULONG_MAX
2271# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2272#else
99abf803 2273# ifdef MAXULONG
2274# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2275# else
99abf803 2276# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2277# endif
2278#endif
2279
99abf803 2280#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2281
760ac839 2282#ifdef LONG_MAX
99abf803 2283# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2284#else
2285# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2286# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2287# else
99abf803 2288# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2289# endif
2290#endif
2291
2292#ifdef LONG_MIN
99abf803 2293# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2294#else
2295# ifdef MINLONG
99abf803 2296# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2297# else
27d4fb96 2298# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2299# endif
2300#endif
2301
d7d93a81 2302#ifdef UV_IS_QUAD
99abf803 2303
99abf803 2304# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2305# define PERL_UQUAD_MIN ((UV)0)
99abf803 2306# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2307# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2308
79072805
LW		 2309#endif
2310
22f7c9c9
JH		 2311#ifdef MYMALLOC
2312# include "malloc_ctl.h"
2313#endif
2314
830247a4 2315struct RExC_state_t;
8e11feef 2316struct _reg_trie_data;
880b20b6 2317
ee0007ab 2318typedef MEM_SIZE STRLEN;
450a55e4 2319
598921a7
NC		 2320#ifdef PERL_MAD
2321typedef struct token TOKEN;
2322typedef struct madprop MADPROP;
2323typedef struct nexttoken NEXTTOKE;
2324#endif
79072805
LW		 2325typedef struct op OP;
2326typedef struct cop COP;
2327typedef struct unop UNOP;
2328typedef struct binop BINOP;
2329typedef struct listop LISTOP;
2330typedef struct logop LOGOP;
79072805
LW		 2331typedef struct pmop PMOP;
2332typedef struct svop SVOP;
7934575e 2333typedef struct padop PADOP;
79072805 2334typedef struct pvop PVOP;
79072805
LW		 2335typedef struct loop LOOP;
2336
cd1541b2
NC		 2337typedef struct interpreter PerlInterpreter;
2338
d2b3f365
SS		 2339/* Amdahl's <ksync.h> has struct sv */
2340/* SGI's <sys/sema.h> has struct sv */
2341#if defined(UTS) || defined(__sgi)
2342# define STRUCT_SV perl_sv
b8d3c5db
JH		 2343#else
2344# define STRUCT_SV sv
2345#endif
2346typedef struct STRUCT_SV SV;
79072805
LW		 2347typedef struct av AV;
2348typedef struct hv HV;
2349typedef struct cv CV;
378cc40b 2350typedef struct regexp REGEXP;
79072805 2351typedef struct gp GP;
0c30d9ec 2352typedef struct gv GV;
8990e307 2353typedef struct io IO;
c09156bb 2354typedef struct context PERL_CONTEXT;
79072805
LW		 2355typedef struct block BLOCK;
2356
2357typedef struct magic MAGIC;
2358typedef struct xpv XPV;
2359typedef struct xpviv XPVIV;
ff68c719 2360typedef struct xpvuv XPVUV;
79072805
LW		 2361typedef struct xpvnv XPVNV;
2362typedef struct xpvmg XPVMG;
2363typedef struct xpvlv XPVLV;
2364typedef struct xpvav XPVAV;
2365typedef struct xpvhv XPVHV;
2366typedef struct xpvgv XPVGV;
2367typedef struct xpvcv XPVCV;
2368typedef struct xpvbm XPVBM;
2369typedef struct xpvfm XPVFM;
8990e307 2370typedef struct xpvio XPVIO;
79072805
LW		 2371typedef struct mgvtbl MGVTBL;
2372typedef union any ANY;
5f7fde29
GS		 2373typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2374typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2375typedef struct clone_params CLONE_PARAMS;
2376
378cc40b 2377#include "handy.h"
a0d0e21e 2378
6b8eaf93 2379#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2380# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2381# define USE_64_BIT_RAWIO /* implicit */
2382# endif
4564133c
JH		 2383#endif
2384
6b8eaf93
JH		 2385/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2386 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2387 * however, because operating systems like to do that themself. */
2388#ifndef FSEEKSIZE
2389# ifdef HAS_FSEEKO
2390# define FSEEKSIZE LSEEKSIZE
2391# else
2392# define FSEEKSIZE LONGSIZE
d460ef45 2393# endif
6b8eaf93
JH		 2394#endif
2395
2396#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2397# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2398# define USE_64_BIT_STDIO /* implicit */
2399# endif
2400#endif
4564133c 2401
09458382 2402#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2403# ifdef HAS_OFF64_T
2404# undef Off_t
2405# define Off_t off64_t
2406# undef LSEEKSIZE
2407# define LSEEKSIZE 8
5ff3f7a4 2408# endif
d9b3e12d
JH		 2409/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2410 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2411 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2412# if defined(USE_OPEN64)
2413# define open open64
5ff3f7a4 2414# endif
d9b3e12d
JH		 2415# if defined(USE_LSEEK64)
2416# define lseek lseek64
6b8eaf93
JH		 2417# else
2418# if defined(USE_LLSEEK)
2419# define lseek llseek
2420# endif
d9b3e12d
JH		 2421# endif
2422# if defined(USE_STAT64)
2423# define stat stat64
2424# endif
2425# if defined(USE_FSTAT64)
2426# define fstat fstat64
2427# endif
2428# if defined(USE_LSTAT64)
2429# define lstat lstat64
2430# endif
2431# if defined(USE_FLOCK64)
2432# define flock flock64
2433# endif
2434# if defined(USE_LOCKF64)
2435# define lockf lockf64
2436# endif
2437# if defined(USE_FCNTL64)
2438# define fcntl fcntl64
2439# endif
2440# if defined(USE_TRUNCATE64)
2441# define truncate truncate64
2442# endif
2443# if defined(USE_FTRUNCATE64)
2444# define ftruncate ftruncate64
2445# endif
2446#endif
2447
2448#ifdef USE_64_BIT_STDIO
2449# ifdef HAS_FPOS64_T
2450# undef Fpos_t
2451# define Fpos_t fpos64_t
2452# endif
2453/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2454 * will trigger defines like the ones below. Some 64-bit environments,
2455 * however, do not. */
2456# if defined(USE_FOPEN64)
2457# define fopen fopen64
2458# endif
2459# if defined(USE_FSEEK64)
6b8eaf93 2460# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2461# endif
2462# if defined(USE_FTELL64)
6b8eaf93 2463# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2464# endif
2465# if defined(USE_FSETPOS64)
2466# define fsetpos fsetpos64
2467# endif
2468# if defined(USE_FGETPOS64)
2469# define fgetpos fgetpos64
2470# endif
2471# if defined(USE_TMPFILE64)
2472# define tmpfile tmpfile64
2473# endif
2474# if defined(USE_FREOPEN64)
2475# define freopen freopen64
5ff3f7a4
GS		 2476# endif
2477#endif
2478
af8b425d 2479#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2480# include "iperlsys.h"
2481#endif
2482
6f71a643 2483#if defined(__OPEN_VM)
19848b3f
JH		 2484# include "vmesa/vmesaish.h"
2485# define ISHISH "vmesa"
6f71a643
JH		 2486#endif
2487
748a9306 2488#ifdef DOSISH
19848b3f
JH		 2489# if defined(OS2)
2490# include "os2ish.h"
2491# else
2492# include "dosish.h"
2493# endif
2494# define ISHISH "dos"
2495#endif
2496
2497#if defined(VMS)
748a9306 2498# include "vmsish.h"
96e176bf 2499# include "embed.h"
eb8433b7
NC		 2500# ifndef PERL_MAD
2501# undef op_getmad
b3f24c00 2502# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2503# endif
19848b3f
JH		 2504# define ISHISH "vms"
2505#endif
2506
2507#if defined(PLAN9)
2508# include "./plan9/plan9ish.h"
2509# define ISHISH "plan9"
2510#endif
2511
2512#if defined(MPE)
2513# include "mpeix/mpeixish.h"
2514# define ISHISH "mpeix"
2515#endif
2516
2517#if defined(__VOS__)
196918b0
PG		 2518# ifdef __GNUC__
2519# include "./vos/vosish.h"
2520# else
2521# include "vos/vosish.h"
2522# endif
19848b3f
JH		 2523# define ISHISH "vos"
2524#endif
2525
2526#if defined(EPOC)
2527# include "epocish.h"
2528# define ISHISH "epoc"
2529#endif
2530
9969cdde 2531#ifdef __SYMBIAN32__
27da23d5
JH		 2532# include "symbian/symbianish.h"
2533# include "embed.h"
eb8433b7
NC		 2534# ifndef PERL_MAD
2535# undef op_getmad
b3f24c00 2536# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2537# endif
27da23d5
JH		 2538# define ISHISH "symbian"
2539#endif
2540
19848b3f
JH		 2541#if defined(MACOS_TRADITIONAL)
2542# include "macos/macish.h"
2543# ifndef NO_ENVIRON_ARRAY
2544# define NO_ENVIRON_ARRAY
0c30d9ec 2545# endif
19848b3f
JH		 2546# define ISHISH "macos classic"
2547#endif
2548
efca5cc6
JH		 2549#if defined(__BEOS__)
2550# include "beos/beosish.h"
2551# define ISHISH "beos"
2552#endif
2553
19848b3f
JH		 2554#ifndef ISHISH
2555# include "unixish.h"
2556# define ISHISH "unix"
13b6e58c
JH		 2557#endif
2558
2946a158
JH		 2559/* NSIG logic from Configure --> */
2560/* Strange style to avoid deeply-nested #if/#else/#endif */
2561#ifndef NSIG
2562# ifdef _NSIG
2563# define NSIG (_NSIG)
2564# endif
2565#endif
2566
2567#ifndef NSIG
2568# ifdef SIGMAX
2569# define NSIG (SIGMAX+1)
2570# endif
2571#endif
2572
2573#ifndef NSIG
2574# ifdef SIG_MAX
2575# define NSIG (SIG_MAX+1)
2576# endif
2577#endif
2578
2579#ifndef NSIG
2580# ifdef _SIG_MAX
2581# define NSIG (_SIG_MAX+1)
2582# endif
2583#endif
2584
2585#ifndef NSIG
2586# ifdef MAXSIG
2587# define NSIG (MAXSIG+1)
2588# endif
2589#endif
2590
2591#ifndef NSIG
2592# ifdef MAX_SIG
2593# define NSIG (MAX_SIG+1)
2594# endif
2595#endif
2596
2597#ifndef NSIG
2598# ifdef SIGARRAYSIZE
2599# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2600# endif
2601#endif
2602
2603#ifndef NSIG
2604# ifdef _sys_nsig
2605# define NSIG (_sys_nsig) /* Solaris 2.5 */
2606# endif
2607#endif
2608
2609/* Default to some arbitrary number that's big enough to get most
2610 of the common signals.
2611*/
2612#ifndef NSIG
2613# define NSIG 50
2614#endif
2615/* <-- NSIG logic from Configure */
2616
13b6e58c
JH		 2617#ifndef NO_ENVIRON_ARRAY
2618# define USE_ENVIRON_ARRAY
2619#endif
32f822de 2620
c77b533b
JH		 2621/*
2622 * initialise to avoid floating-point exceptions from overflow, etc
2623 */
2624#ifndef PERL_FPU_INIT
2625# ifdef HAS_FPSETMASK
2626# if HAS_FLOATINGPOINT_H
2627# include <floatingpoint.h>
2628# endif
7f7c3354 2629# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2630# else
2f42fcb0 2631# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2632# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2633# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2634# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2635# else
2636# define PERL_FPU_INIT
2f42fcb0 2637
7014c407 2638# endif
c77b533b
JH		 2639# endif
2640#endif
b35112e7
CS		 2641#ifndef PERL_FPU_PRE_EXEC
2642# define PERL_FPU_PRE_EXEC {
2643# define PERL_FPU_POST_EXEC }
2644#endif
c77b533b 2645
ed344e4f
IZ		 2646#ifndef PERL_SYS_INIT3
2647# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2648#endif
2649
be708cc0
JH		 2650#ifndef PERL_WRITE_MSG_TO_CONSOLE
2651# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2652#endif
2653
0f31cffe
GS		 2654#ifndef MAXPATHLEN
2655# ifdef PATH_MAX
b990c8b2
JH		 2656# ifdef _POSIX_PATH_MAX
2657# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2658/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2659 * included the null byte or not. Later amendments of POSIX,
2660 * XPG4, the Austin Group, and the Single UNIX Specification
2661 * all explicitly include the null byte in the PATH_MAX.
2662 * Ditto for _POSIX_PATH_MAX. */
2663# define MAXPATHLEN PATH_MAX
b990c8b2 2664# else
09448d78 2665# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2666# endif
2667# else
2668# define MAXPATHLEN (PATH_MAX+1)
2669# endif
0f31cffe 2670# else
b990c8b2 2671# ifdef _POSIX_PATH_MAX
09448d78 2672# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2673# else
2674# define MAXPATHLEN 1024 /* Err on the large side. */
2675# endif
0f31cffe
GS		 2676# endif
2677#endif
2678
c80263a8
SH		 2679/* In case Configure was not used (we are using a "canned config"
2680 * such as Win32, or a cross-compilation setup, for example) try going
2681 * by the gcc major and minor versions. One useful URL is
2682 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2683 * but contrary to this information warn_unused_result seems
2684 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2685 * Also, when building extensions with an installed perl, this allows
2686 * the user to upgrade gcc and get the right attributes, rather than
2687 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2688 * Set these up now otherwise we get confused when some of the <*thread.h>
2689 * includes below indirectly pull in <perlio.h> (which needs to know if we
2690 * have HASATTRIBUTE_FORMAT).
2691 */
2692
fc2007d4 2693#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2694# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2695# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2696# if defined __MINGW32__
2697# define PRINTF_FORMAT_NULL_OK
2698# endif
c80263a8
SH		 2699# endif
2700# if __GNUC__ >= 3 /* 3.0 -> */
2701# define HASATTRIBUTE_MALLOC
2702# endif
2703# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2704# define HASATTRIBUTE_NONNULL
2705# endif
2706# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2707# define HASATTRIBUTE_NORETURN
2708# endif
2709# if __GNUC__ >= 3 /* gcc 3.0 -> */
2710# define HASATTRIBUTE_PURE
2711# endif
42bf5550 2712# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2713# define HASATTRIBUTE_UNUSED
2714# endif
d324fe49
AD		 2715# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2716# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2717# endif
c80263a8
SH		 2718# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2719# define HASATTRIBUTE_WARN_UNUSED_RESULT
2720# endif
2721#endif
2722
3db8f154 2723/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2724 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2725 * this results in many functions being undeclared which bothers C++
2726 * May make sense to have threads after "*ish.h" anyway
2727 */
2728
3db8f154 2729#if defined(USE_ITHREADS)
2986a63f
JH		 2730# ifdef NETWARE
2731# include <nw5thread.h>
2732# else
32f822de
GS		 2733# ifdef FAKE_THREADS
2734# include "fakethr.h"
2735# else
2736# ifdef WIN32
2737# include <win32thread.h>
2738# else
dd96f567
IZ		 2739# ifdef OS2
2740# include "os2thread.h"
2741# else
7f3d1cf1 2742# ifdef I_MACH_CTHREADS
bdd66968 2743# include <mach/cthreads.h>
8f1f23e8 2744# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2745# define MUTEX_INIT_CALLS_MALLOC
2746# endif
7f3d1cf1
BH		 2747typedef cthread_t perl_os_thread;
2748typedef mutex_t perl_mutex;
2749typedef condition_t perl_cond;
2750typedef void * perl_key;
2751# else /* Posix threads */
1f5ae88c
JH		 2752# ifdef I_PTHREAD
2753# include <pthread.h>
2754# endif
7f3d1cf1
BH		 2755typedef pthread_t perl_os_thread;
2756typedef pthread_mutex_t perl_mutex;
2757typedef pthread_cond_t perl_cond;
2758typedef pthread_key_t perl_key;
2759# endif /* I_MACH_CTHREADS */
dd96f567 2760# endif /* OS2 */
32f822de
GS		 2761# endif /* WIN32 */
2762# endif /* FAKE_THREADS */
2986a63f 2763#endif /* NETWARE */
3db8f154 2764#endif /* USE_ITHREADS */
c5be433b 2765
66a93824 2766#if defined(WIN32)
1feb2720 2767# include "win32.h"
c5be433b
GS		 2768#endif
2769
2986a63f
JH		 2770#ifdef NETWARE
2771# include "netware.h"
2772#endif
2773
e5218da5 2774#define STATUS_UNIX PL_statusvalue
68dc0745 2775#ifdef VMS
6b88bc9c 2776# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2777/*
2778 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2779 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2780 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2781 * be updated also.
2782 */
2783# include <stsdef.h>
2784# include <ssdef.h>
2785/* Presume this because if VMS changes it, it will require a new
2786 * set of APIs for waiting on children for binary compatibility.
2787 */
2788# define child_offset_bits (8)
2789# ifndef C_FAC_POSIX
2790# define C_FAC_POSIX 0x35A000
2791# endif
2792
2793/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2794 * platform from the existing UNIX or Native status values.
2795 */
2796
37038d91 2797# define STATUS_EXIT \
7a7fd8e0
JM		 2798 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2799 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2800
7a7fd8e0 2801
fb38d079
JM		 2802/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2803 * exit code and shifts the UNIX value over the correct number of bits to
2804 * be a child status. Usually the number of bits is 8, but that could be
2805 * platform dependent. The NATIVE status code is presumed to have either
2806 * from a child process.
7a7fd8e0
JM		 2807 */
2808
fb38d079
JM		 2809/* This is complicated. The child processes return a true native VMS
2810 status which must be saved. But there is an assumption in Perl that
2811 the UNIX child status has some relationship to errno values, so
2812 Perl tries to translate it to text in some of the tests.
2813 In order to get the string translation correct, for the error, errno
2814 must be EVMSERR, but that generates a different text message
2815 than what the test programs are expecting. So an errno value must
2816 be derived from the native status value when an error occurs.
2817 That will hide the true native status message. With this version of
2818 perl, the true native child status can always be retrieved so that
2819 is not a problem. But in this case, Pl_statusvalue and errno may
2820 have different values in them.
2821 */
7a7fd8e0 2822
fb38d079 2823# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2824 STMT_START { \
2fbb330f
JM		 2825 I32 evalue = (I32)n; \
2826 if (evalue == EVMSERR) { \
2827 PL_statusvalue_vms = vaxc$errno; \
2828 PL_statusvalue = evalue; \
7a7fd8e0 2829 } else { \
2fbb330f 2830 PL_statusvalue_vms = evalue; \
fb38d079 2831 if (evalue == -1) { \
3280af22 2832 PL_statusvalue = -1; \
7a7fd8e0
JM		 2833 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2834 } else \
fb38d079 2835 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2836 set_vaxc_errno(evalue); \
fb38d079
JM		 2837 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2838 set_errno(EVMSERR); \
2839 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2840 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2841 } \
68dc0745 2842 } STMT_END
7a7fd8e0 2843
68dc0745 2844# ifdef VMSISH_STATUS
e5218da5 2845# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2846# else
e5218da5 2847# define STATUS_CURRENT STATUS_UNIX
68dc0745 2848# endif
7a7fd8e0
JM		 2849
2850 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2851 * the NATIVE status to an equivalent value. Can not be used to translate
2852 * exit code values as exit code values are not guaranteed to have any
2853 * relationship at all to errno values.
2854 * This is used when Perl is forcing errno to have a specific value.
2855 */
e5218da5 2856# define STATUS_UNIX_SET(n) \
68dc0745 2857 STMT_START { \
7a7fd8e0 2858 I32 evalue = (I32)n; \
0968cdad 2859 PL_statusvalue = evalue; \
3280af22 2860 if (PL_statusvalue != -1) { \
0968cdad
JM		 2861 if (PL_statusvalue != EVMSERR) { \
2862 PL_statusvalue &= 0xFFFF; \
2863 if (MY_POSIX_EXIT) \
2864 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2865 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2866 } \
2867 else { \
2868 PL_statusvalue_vms = vaxc$errno; \
2869 } \
68dc0745 2870 } \
0968cdad
JM		 2871 else PL_statusvalue_vms = SS$_ABORT; \
2872 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2873 } STMT_END
2874
2875 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2876 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2877 * the UNIX/POSIX exit codes have any relationship to errno, except
2878 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2879 * with the Perl VMS documentation, any other code sets the NATIVE
2880 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2881 *
2882 * In the new POSIX EXIT mode, native status will be set so that the
2883 * actual exit code will can be retrieved by the calling program or
2884 * shell.
2885 *
2886 * If the exit code is not clearly a UNIX parent or child exit status,
2887 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2888 */
2889
fb38d079 2890# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2891 STMT_START { \
2892 I32 evalue = (I32)n; \
2893 PL_statusvalue = evalue; \
fb38d079
JM		 2894 if (evalue != -1) { \
2895 if (evalue <= 0xFF00) { \
2896 if (evalue > 0xFF) \
2897 evalue = (evalue >> child_offset_bits) & 0xFF; \
2898 if (evalue == 0) \
2899 PL_statusvalue_vms == SS$_NORMAL; \
2900 else \
2901 if (MY_POSIX_EXIT) \
2902 PL_statusvalue_vms = \
2903 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2904 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2905 else \
6ac6a52b 2906 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2907 } else { /* forgive them Perl, for they have sinned */ \
2908 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2909 else PL_statusvalue_vms = vaxc$errno; \
2910 /* And obviously used a VMS status value instead of UNIX */ \
2911 PL_statusvalue = EVMSERR; \
2912 } \
7a7fd8e0
JM		 2913 } \
2914 else PL_statusvalue_vms = SS$_ABORT; \
2915 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2916 } STMT_END
fb38d079 2917
6ac6a52b
JM		 2918 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2919 * and sets the NATIVE error status based on it. This special case
2920 * is needed to maintain compatibility with past VMS behavior.
2921 *
2922 * In the default mode on VMS, this number is passed through as
2923 * both the NATIVE and UNIX status. Which makes it different
2924 * that the STATUS_UNIX_EXIT_SET.
2925 *
2926 * In the new POSIX EXIT mode, native status will be set so that the
2927 * actual exit code will can be retrieved by the calling program or
2928 * shell.
2929 *
2930 */
2931
2932# define STATUS_EXIT_SET(n) \
2933 STMT_START { \
2934 I32 evalue = (I32)n; \
2935 PL_statusvalue = evalue; \
2936 if (MY_POSIX_EXIT) \
2937 PL_statusvalue_vms = \
2938 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2939 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2940 else \
2941 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2942 set_vaxc_errno(PL_statusvalue_vms); \
2943 } STMT_END
2944
fb38d079
JM		 2945
2946 /* This macro forces a success status */
7a7fd8e0
JM		 2947# define STATUS_ALL_SUCCESS \
2948 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2949
2950 /* This macro forces a failure status */
7a7fd8e0
JM		 2951# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2952 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2953 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2954
68dc0745 2955#else
e5218da5 2956# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2957# if defined(WCOREDUMP)
37038d91 2958# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2959 STMT_START { \
2960 PL_statusvalue_posix = (n); \
2961 if (PL_statusvalue_posix == -1) \
2962 PL_statusvalue = -1; \
2963 else { \
2964 PL_statusvalue = \
2965 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2966 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2967 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2968 } \
2969 } STMT_END
2970# elif defined(WIFEXITED)
37038d91 2971# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2972 STMT_START { \
2973 PL_statusvalue_posix = (n); \
2974 if (PL_statusvalue_posix == -1) \
2975 PL_statusvalue = -1; \
2976 else { \
2977 PL_statusvalue = \
2978 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2979 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2980 } \
2981 } STMT_END
2982# else
37038d91 2983# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2984 STMT_START { \
2985 PL_statusvalue_posix = (n); \
2986 if (PL_statusvalue_posix == -1) \
2987 PL_statusvalue = -1; \
2988 else { \
2989 PL_statusvalue = \
2990 PL_statusvalue_posix & 0xFFFF; \
2991 } \
2992 } STMT_END
2993# endif
2994# define STATUS_UNIX_SET(n) \
68dc0745 2995 STMT_START { \
3280af22
NIS		 2996 PL_statusvalue = (n); \
2997 if (PL_statusvalue != -1) \
2998 PL_statusvalue &= 0xFFFF; \
68dc0745 2999 } STMT_END
7a7fd8e0 3000# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3001# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3002# define STATUS_CURRENT STATUS_UNIX
37038d91 3003# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3004# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3005# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3006#endif
3007
cc3604b1
GS		 3008/* flags in PL_exit_flags for nature of exit() */
3009#define PERL_EXIT_EXPECTED 0x01
31d77e54 3010#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3011
0b94c7bb 3012#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3013# define MEMBER_TO_FPTR(name) name
3014#endif
3015
3016/* format to use for version numbers in file/directory names */
273cf8d1 3017/* XXX move to Configure? */
a7cb1f99 3018#ifndef PERL_FS_VER_FMT
273cf8d1 3019# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3020#endif
3021
45bc9206 3022/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3023 * performance issue, so we allow people to disable it. Also, if
3024 * we are using stdio, there are broken implementations of fflush(NULL)
3025 * out there, Solaris being the most prominent.
45bc9206
GS		 3026 */
3027#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3028# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3029# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3030# else
3031# ifdef FFLUSH_ALL
3032# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3033# else
c5be433b 3034# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3035# endif
66fe083f 3036# endif
45bc9206
GS		 3037#endif
3038
7766f137
GS		 3039#ifndef PERL_WAIT_FOR_CHILDREN
3040# define PERL_WAIT_FOR_CHILDREN NOOP
3041#endif
3042
ba869deb 3043/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3044#ifndef PERL_SET_INTERP
3045# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3046#endif
3047
3048#ifndef PERL_GET_INTERP
3049# define PERL_GET_INTERP (PL_curinterp)
3050#endif
3051
54aff467 3052#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3053# ifdef MULTIPLICITY
ba869deb 3054# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3055# endif
ba869deb
GS		 3056# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3057#endif
3058
8896765a
RB		 3059/*
3060 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3061 All that is required is that the perl source does not
8896765a
RB		 3062 use "%-p" or "%-<number>p" or "%<number>p" formats.
3063 These formats will still work in perl code.
3064 See comments in sv.c for futher details.
3065
3066 -DvdNUMBER=<number> can be used to redefine VDf
3067
3068 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3069 which works properly but gives compiler warnings
3070
3071 Robin Barker 2005-07-14
0dbb1585 3072*/
8896765a
RB		 3073
3074#ifndef SVf_
63ce7bf0 3075# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3076#endif
3077
8896765a 3078#ifndef SVf
104abab4 3079# define SVf "-p"
d2560b70
RB		 3080#endif
3081
014ead4b 3082#ifndef SVf32
8896765a 3083# define SVf32 SVf_(32)
014ead4b
RB		 3084#endif
3085
3086#ifndef SVf256
8896765a
RB		 3087# define SVf256 SVf_(256)
3088#endif
3089
be2597df
MHM		 3090#define SVfARG(p) ((void*)(p))
3091
8896765a
RB		 3092#ifndef vdNUMBER
3093# define vdNUMBER 1
3094#endif
3095
3096#ifndef VDf
3097# if vdNUMBER
63ce7bf0 3098# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 3099# else
3100# define VDf "vd"
3101# endif
014ead4b 3102#endif
170cd9e9
NC		 3103
3104#ifdef PERL_CORE
f5992bc4 3105/* not used; but needed for backward compatibilty with XS code? - RMB */
170cd9e9
NC		 3106# ifndef UVf
3107# define UVf UVuf
3108# endif
3109#else
3110# undef UVf
d2560b70
RB		 3111#endif
3112
0dbb1585
AL		 3113#ifdef HASATTRIBUTE_FORMAT
3114# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3115#endif
3116#ifdef HASATTRIBUTE_MALLOC
77785eea 3117# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3118#endif
0dbb1585 3119#ifdef HASATTRIBUTE_NONNULL
abb2c242 3120# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3121#endif
0dbb1585 3122#ifdef HASATTRIBUTE_NORETURN
abb2c242 3123# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3124#endif
0dbb1585 3125#ifdef HASATTRIBUTE_PURE
abb2c242 3126# define __attribute__pure__ __attribute__((pure))
f22be1b8 3127#endif
0dbb1585
AL		 3128#ifdef HASATTRIBUTE_UNUSED
3129# define __attribute__unused__ __attribute__((unused))
3130#endif
3131#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3132# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3133#endif
3134
0dbb1585
AL		 3135/* If we haven't defined the attributes yet, define them to blank. */
3136#ifndef __attribute__format__
3137# define __attribute__format__(x,y,z)
3138#endif
f22be1b8 3139#ifndef __attribute__malloc__
abb2c242 3140# define __attribute__malloc__
f22be1b8
JH		 3141#endif
3142#ifndef __attribute__nonnull__
abb2c242 3143# define __attribute__nonnull__(a)
f22be1b8
JH		 3144#endif
3145#ifndef __attribute__noreturn__
abb2c242 3146# define __attribute__noreturn__
f22be1b8
JH		 3147#endif
3148#ifndef __attribute__pure__
abb2c242 3149# define __attribute__pure__
f22be1b8 3150#endif
0dbb1585
AL		 3151#ifndef __attribute__unused__
3152# define __attribute__unused__
3153#endif
f22be1b8 3154#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3155# define __attribute__warn_unused_result__
3156#endif
3157
0dbb1585
AL		 3158/* For functions that are marked as __attribute__noreturn__, it's not
3159 appropriate to call return. In either case, include the lint directive.
3160 */
3161#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3162# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3163#else
b37c2d43 3164# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3165#endif
3166
cdfeb707
RB		 3167/* Some OS warn on NULL format to printf */
3168#ifdef PRINTF_FORMAT_NULL_OK
3169# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3170#else
3171# define __attribute__format__null_ok__(x,y,z)
3172#endif
3173
635aebb7 3174#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3175# define EXPECT(expr,val) __builtin_expect(expr,val)
3176#else
3177# define EXPECT(expr,val) (expr)
3178#endif
3179#define LIKELY(cond) EXPECT(cond,1)
3180#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3181#ifdef HAS_BUILTIN_CHOOSE_EXPR
3182/* placeholder */
3183#endif
b37c2d43 3184
3fc1aec6 3185/* Some unistd.h's give a prototype for pause() even though
3186 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3187 below to be rejected by the compiler. Sigh.
3fc1aec6 3188*/
3189#ifdef HAS_PAUSE
3190#define Pause pause
3191#else
3192#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3193#endif
3194
3195#ifndef IOCPARM_LEN
3196# ifdef IOCPARM_MASK
61f1c44b 3197 /* on BSDish systems we're safe */
748a9306
LW		 3198# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3199# else
61f1c44b 3200# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3201 /* on Linux systems we're safe; except when we're not [perl #38223] */
3202# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3203# else
748a9306 3204 /* otherwise guess at what's safe */
61f1c44b
JVD		 3205# define IOCPARM_LEN(x) 256
3206# endif
748a9306 3207# endif
a0d0e21e
LW		 3208#endif
3209
1761cee5 3210#if defined(__CYGWIN__)
521e0776
GS		 3211/* USEMYBINMODE
3212 * This symbol, if defined, indicates that the program should
16fe6d59 3213 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3214 * that a file is in "binary" mode -- that is, that no translation
3215 * of bytes occurs on read or write operations.
3216 */
36894f0b 3217# define USEMYBINMODE /**/
77a40698 3218# include <io.h> /* for setmode() prototype */
16fe6d59 3219# define my_binmode(fp, iotype, mode) \
77a40698 3220 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3221#endif
3222
88d10794
JH		 3223#ifdef __CYGWIN__
3224void init_os_extras(void);
3225#endif
3226
cea2e8a9
GS		 3227#ifdef UNION_ANY_DEFINITION
3228UNION_ANY_DEFINITION;
3229#else
3230union any {
3231 void* any_ptr;
3232 I32 any_i32;
3233 IV any_iv;
3234 long any_long;
9febdf04 3235 bool any_bool;
c76ac1ee 3236 void (*any_dptr) (void*);
acfe0abc 3237 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3238};
3239#endif
3240
acfe0abc 3241typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3242
3243#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3244#define FILTER_DATA(idx) \
3245 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3246#define FILTER_ISREADER(idx) \
3247 (PL_parser && PL_parser->rsfp_filters \
3248 && idx >= AvFILLp(PL_parser->rsfp_filters))
3249#define PERL_FILTER_EXISTS(i) \
3250 (PL_parser && PL_parser->rsfp_filters \
3251 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3252
c5078cac
JH		 3253#if defined(_AIX) && !defined(_AIX43)
3254#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3255/* We cannot include <crypt.h> to get the struct crypt_data
3256 * because of setkey prototype problems when threading */
3257typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3258 /* From OSF, Not needed in AIX
3259 char C[28], D[28];
3260 */
3261 char E[48];
3262 char KS[16][48];
3263 char block[66];
3264 char iobuf[16];
3265} CRYPTD;
3266#endif /* threading */
3267#endif /* AIX */
3268
af8b425d 3269#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3270# include "iperlsys.h"
3271#endif
504f80c1 3272
d10dc2ae
JH		 3273/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3274 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3275 * defined by Configure, despite their names being similar to the
3276 * other defines like USE_ITHREADS. Configure in fact knows nothing
3277 * about the randomised hashes. Therefore to enable/disable the hash
3278 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3279#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3280# define USE_HASH_SEED
504f80c1
JH		 3281#endif
3282
598921a7
NC		 3283/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3284 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3285 * it's not really needed.
3286 */
3287#if defined(WIN32)
3288# define YYTOKENTYPE
3289#endif
3290#include "perly.h"
3291
3292#ifdef PERL_MAD
3293struct nexttoken {
3294 YYSTYPE next_val; /* value of next token, if any */
3295 I32 next_type; /* type of next token */
3296 MADPROP *next_mad; /* everything else about that token */
3297};
3298#endif
3299
378cc40b 3300#include "regexp.h"
79072805 3301#include "sv.h"
378cc40b 3302#include "util.h"
8d063cd8 3303#include "form.h"
79072805 3304#include "gv.h"
dd2155a4 3305#include "pad.h"
79072805 3306#include "cv.h"
abdd5c84 3307#include "opnames.h"
79072805 3308#include "op.h"
b3ca2e83 3309#include "hv.h"
79072805
LW		 3310#include "cop.h"
3311#include "av.h"
79072805
LW		 3312#include "mg.h"
3313#include "scope.h"
4438c4b7 3314#include "warnings.h"
a0ed51b3 3315#include "utf8.h"
8d063cd8 3316
7fae4e64
GS		 3317
3318typedef struct _sublex_info SUBLEXINFO;
3319struct _sublex_info {
651b5b28
NC		 3320 U8 super_state; /* lexer state to save */
3321 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3322 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3323 char *super_bufptr; /* PL_parser->bufptr that was */
3324 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3325};
3326
199e78b7
DM		 3327#include "parser.h"
3328
455ece5e 3329typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3330
2c2d71f5 3331struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3332struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3333
6f51351d
NC		 3334/* Keep next first in this structure, because sv_free_arenas take
3335 advantage of this to share code between the pte arenas and the SV
3336 body arenas */
5f7fde29
GS		 3337struct ptr_tbl_ent {
3338 struct ptr_tbl_ent* next;
53c1dcc0 3339 const void* oldval;
5f7fde29 3340 void* newval;
d18c6117
GS		 3341};
3342
5f7fde29
GS		 3343struct ptr_tbl {
3344 struct ptr_tbl_ent** tbl_ary;
3345 UV tbl_max;
3346 UV tbl_items;
d18c6117
GS		 3347};
3348
450a55e4 3349#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3350# define I286
3351#endif
3352
fe14fcc3
LW		 3353#if defined(htonl) && !defined(HAS_HTONL)
3354#define HAS_HTONL
ae986130 3355#endif
fe14fcc3
LW		 3356#if defined(htons) && !defined(HAS_HTONS)
3357#define HAS_HTONS
ae986130 3358#endif
fe14fcc3
LW		 3359#if defined(ntohl) && !defined(HAS_NTOHL)
3360#define HAS_NTOHL
ae986130 3361#endif
fe14fcc3
LW		 3362#if defined(ntohs) && !defined(HAS_NTOHS)
3363#define HAS_NTOHS
ae986130 3364#endif
fe14fcc3 3365#ifndef HAS_HTONL
d9d8d8de 3366#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3367#define HAS_HTONS
3368#define HAS_HTONL
3369#define HAS_NTOHS
3370#define HAS_NTOHL
a687059c
LW		 3371#define MYSWAP
3372#define htons my_swap
3373#define htonl my_htonl
3374#define ntohs my_swap
3375#define ntohl my_ntohl
3376#endif
3377#else
d9d8d8de 3378#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3379#undef HAS_HTONS
3380#undef HAS_HTONL
3381#undef HAS_NTOHS
3382#undef HAS_NTOHL
a687059c
LW		 3383#endif
3384#endif
3385
988174c1
LW		 3386/*
3387 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3388 * -DWS
3389 */
3390#if BYTEORDER != 0x1234
3391# define HAS_VTOHL
3392# define HAS_VTOHS
3393# define HAS_HTOVL
3394# define HAS_HTOVS
c67712b2 3395# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3396# define vtohl(x) ((((x)&0xFF)<<24) \
3397 +(((x)>>24)&0xFF) \
3398 +(((x)&0x0000FF00)<<8) \
3399 +(((x)&0x00FF0000)>>8) )
3400# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3401# define htovl(x) vtohl(x)
3402# define htovs(x) vtohs(x)
3403# endif
3404 /* otherwise default to functions in util.c */
2a8c3029 3405#ifndef htovs
c623ac67
GS		 3406short htovs(short n);
3407short vtohs(short n);
3408long htovl(long n);
3409long vtohl(long n);
988174c1 3410#endif
2a8c3029 3411#endif
988174c1 3412
3bb7c1b4
JH		 3413/* *MAX Plus 1. A floating point value.
3414 Hopefully expressed in a way that dodgy floating point can't mess up.
3415 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3416 is added to it
3417 May find that some broken compiler will want the value cast to I32.
3418 [after the shift, as signed >> may not be as secure as unsigned >>]
3419*/
3420#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3421#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3422/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3423 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3424 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3425*/
3426#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3427
3bb7c1b4
JH		 3428#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3429#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3430#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3431
3432/* This may look like unnecessary jumping through hoops, but converting
3433 out of range floating point values to integers *is* undefined behaviour,
3434 and it is starting to bite.
3435*/
3436#ifndef CAST_INLINE
65202027 3437#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3438#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3439#define I_V(what) (cast_iv((NV)(what)))
3440#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3441#else
3442#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3443 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3444 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3445#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3446 : ((n) < U32_MAX_P1 ? (U32) (n) \
3447 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3448#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3449 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3450 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3451#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3452 : ((n) < UV_MAX_P1 ? (UV) (n) \
3453 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3454#endif
3455
3456#define U_S(what) ((U16)U_32(what))
3457#define U_I(what) ((unsigned int)U_32(what))
3458#define U_L(what) U_32(what)
ed6116ce 3459
ed140128
AD		 3460#ifdef HAS_SIGNBIT
3461# define Perl_signbit signbit
3462#endif
3463
2d4389e4
JH		 3464/* These do not care about the fractional part, only about the range. */
3465#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3466#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3467
25da4f38
IZ		 3468/* Used with UV/IV arguments: */
3469 /* XXXX: need to speed it up */
3470#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3471#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3472
352d5a3a
LW		 3473#ifndef MAXSYSFD
3474# define MAXSYSFD 2
3475#endif
ee0007ab 3476
79072805 3477#ifndef __cplusplus
27da23d5 3478#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3479Uid_t getuid (void);
3480Uid_t geteuid (void);
3481Gid_t getgid (void);
3482Gid_t getegid (void);
79072805 3483#endif
e1caacb4 3484#endif
8d063cd8 3485
0c30d9ec 3486#ifndef Perl_debug_log
bf49b057
GS		 3487# define Perl_debug_log PerlIO_stderr()
3488#endif
3489
3490#ifndef Perl_error_log
3491# define Perl_error_log (PL_stderrgv \
6b78add2 3492 && isGV(PL_stderrgv) \
01bb7c6d 3493 && GvIOp(PL_stderrgv) \
42de951c 3494 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3495 ? IoOFP(GvIOp(PL_stderrgv)) \
3496 : PerlIO_stderr())
0c30d9ec 3497#endif
3967c732 3498
aea4f609
DM		 3499
3500#define DEBUG_p_FLAG 0x00000001 /* 1 */
3501#define DEBUG_s_FLAG 0x00000002 /* 2 */
3502#define DEBUG_l_FLAG 0x00000004 /* 4 */
3503#define DEBUG_t_FLAG 0x00000008 /* 8 */
3504#define DEBUG_o_FLAG 0x00000010 /* 16 */
3505#define DEBUG_c_FLAG 0x00000020 /* 32 */
3506#define DEBUG_P_FLAG 0x00000040 /* 64 */
3507#define DEBUG_m_FLAG 0x00000080 /* 128 */
3508#define DEBUG_f_FLAG 0x00000100 /* 256 */
3509#define DEBUG_r_FLAG 0x00000200 /* 512 */
3510#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3511#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3512/* U is reserved for Unofficial, exploratory hacking */
3513#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3514#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3515#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3516#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3517#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3518#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3519#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3520#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3521#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3522#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3523#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3524#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3525#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3526
3527#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3528#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3529 that something was done? */
aea4f609 3530
bd16a5f0
IZ		 3531# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3532# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3533# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3534# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3535# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3536# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3537# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3538# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3539# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3540# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3541# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3542# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3543# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3544# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3545# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3546# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3547# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3548# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3549# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3550# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3551# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3552# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3553# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3554# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3555# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3556
3967c732 3557#ifdef DEBUGGING
aea4f609 3558
bd16a5f0
IZ		 3559# define DEBUG_p_TEST DEBUG_p_TEST_
3560# define DEBUG_s_TEST DEBUG_s_TEST_
3561# define DEBUG_l_TEST DEBUG_l_TEST_
3562# define DEBUG_t_TEST DEBUG_t_TEST_
3563# define DEBUG_o_TEST DEBUG_o_TEST_
3564# define DEBUG_c_TEST DEBUG_c_TEST_
3565# define DEBUG_P_TEST DEBUG_P_TEST_
3566# define DEBUG_m_TEST DEBUG_m_TEST_
3567# define DEBUG_f_TEST DEBUG_f_TEST_
3568# define DEBUG_r_TEST DEBUG_r_TEST_
3569# define DEBUG_x_TEST DEBUG_x_TEST_
3570# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3571# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3572# define DEBUG_H_TEST DEBUG_H_TEST_
3573# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3574# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3575# define DEBUG_D_TEST DEBUG_D_TEST_
3576# define DEBUG_S_TEST DEBUG_S_TEST_
3577# define DEBUG_T_TEST DEBUG_T_TEST_
3578# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3579# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3580# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3581# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3582# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3583# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3584
488b0c7a
JH		 3585# define PERL_DEB(a) a
3586# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3587# define DEBUG_p(a) if (DEBUG_p_TEST) a
3588# define DEBUG_s(a) if (DEBUG_s_TEST) a
3589# define DEBUG_l(a) if (DEBUG_l_TEST) a
3590# define DEBUG_t(a) if (DEBUG_t_TEST) a
3591# define DEBUG_o(a) if (DEBUG_o_TEST) a
3592# define DEBUG_c(a) if (DEBUG_c_TEST) a
3593# define DEBUG_P(a) if (DEBUG_P_TEST) a
3594
969058bb
VK		 3595 /* Temporarily turn off memory debugging in case the a
3596 * does memory allocation, either directly or indirectly. */
acfe0abc 3597# define DEBUG_m(a) \
0b250b9e 3598 STMT_START { \
aea4f609 3599 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3600 } STMT_END
aea4f609 3601
5f80b19c
AMS		 3602# define DEBUG__(t, a) \
3603 STMT_START { \
3604 if (t) STMT_START {a;} STMT_END; \
3605 } STMT_END
3606
3607# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3608#ifndef PERL_EXT_RE_BUILD
5f80b19c 3609# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3610#else
3611# define DEBUG_r(a) STMT_START {a;} STMT_END
3612#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3613# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3614# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3615# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3616# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3617# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3618# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3619# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3620
3db8f154 3621# define DEBUG_S(a)
aea4f609 3622
5f80b19c
AMS		 3623# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3624# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3625# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3626# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3627# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3628# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3629
3630#else /* DEBUGGING */
3631
3632# define DEBUG_p_TEST (0)
3633# define DEBUG_s_TEST (0)
3634# define DEBUG_l_TEST (0)
3635# define DEBUG_t_TEST (0)
3636# define DEBUG_o_TEST (0)
3637# define DEBUG_c_TEST (0)
3638# define DEBUG_P_TEST (0)
3639# define DEBUG_m_TEST (0)
3640# define DEBUG_f_TEST (0)
3641# define DEBUG_r_TEST (0)
3642# define DEBUG_x_TEST (0)
3643# define DEBUG_u_TEST (0)
88d2d28a 3644# define DEBUG_U_TEST (0)
aea4f609
DM		 3645# define DEBUG_H_TEST (0)
3646# define DEBUG_X_TEST (0)
dd2155a4 3647# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3648# define DEBUG_D_TEST (0)
3649# define DEBUG_S_TEST (0)
3650# define DEBUG_T_TEST (0)
04932ac8 3651# define DEBUG_R_TEST (0)
1045810a 3652# define DEBUG_J_TEST (0)
d6721266 3653# define DEBUG_v_TEST (0)
46187eeb 3654# define DEBUG_C_TEST (0)
ecae49c0
NC		 3655# define DEBUG_A_TEST (0)
3656# define DEBUG_q_TEST (0)
aea4f609 3657
488b0c7a
JH		 3658# define PERL_DEB(a)
3659# define PERL_DEBUG(a)
aea4f609
DM		 3660# define DEBUG_p(a)
3661# define DEBUG_s(a)
3662# define DEBUG_l(a)
3663# define DEBUG_t(a)
3664# define DEBUG_o(a)
3665# define DEBUG_c(a)
3666# define DEBUG_P(a)
3667# define DEBUG_m(a)
3668# define DEBUG_f(a)
3669# define DEBUG_r(a)
3670# define DEBUG_x(a)
3671# define DEBUG_u(a)
88d2d28a 3672# define DEBUG_U(a)
aea4f609
DM		 3673# define DEBUG_H(a)
3674# define DEBUG_X(a)
dd2155a4 3675# define DEBUG_Xv(a)
aea4f609
DM		 3676# define DEBUG_D(a)
3677# define DEBUG_S(a)
3678# define DEBUG_T(a)
04932ac8 3679# define DEBUG_R(a)
d6721266 3680# define DEBUG_v(a)
46187eeb 3681# define DEBUG_C(a)
ecae49c0
NC		 3682# define DEBUG_A(a)
3683# define DEBUG_q(a)
aea4f609
DM		 3684#endif /* DEBUGGING */
3685
3686
b4ab917c
DM		 3687#define DEBUG_SCOPE(where) \
3688 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3689 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3690
3691
3692
3693
d1be9408 3694/* These constants should be used in preference to raw characters
14befaf4
DM		 3695 * when using magic. Note that some perl guts still assume
3696 * certain character properties of these constants, namely that
3697 * isUPPER() and toLOWER() may do useful mappings.
3698 *
3699 * Update the magic_names table in dump.c when adding/amending these
3700 */
3701
3702#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3703#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3704#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3705#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3706#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3707#define PERL_MAGIC_regdata 'D' /* Regex match position data
3708 (@+ and @- vars) */
3709#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3710#define PERL_MAGIC_env 'E' /* %ENV hash */
3711#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3712#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3713#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3714#define PERL_MAGIC_hints 'H' /* %^H hash */
3715#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3716#define PERL_MAGIC_isa 'I' /* @ISA array */
3717#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3718#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3719#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3720#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3721#define PERL_MAGIC_mutex 'm' /* for lock op */
3722#define PERL_MAGIC_shared 'N' /* Shared between threads */
3723#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3724#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3725#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3726#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3727#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3728#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3729#define PERL_MAGIC_sig 'S' /* %SIG hash */
3730#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3731#define PERL_MAGIC_taint 't' /* Taintedness */
3732#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3733#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3734#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3735#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3736#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3737#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3738#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3739 smart parameter vivification */
14befaf4
DM		 3740#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3741#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3742#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3743#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3744#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3745#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3746#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3747
3748
a6e633de 3749#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3750#define assert(what) PERL_DEB( \
3751 ((what) ? ((void) 0) : \
67eb4d30 3752 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3753 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3754 (void) 0)))
a446a88f 3755#endif
8d063cd8 3756
450a55e4 3757struct ufuncs {
24f81a43
DM		 3758 I32 (*uf_val)(pTHX_ IV, SV*);
3759 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3760 IV uf_index;
450a55e4
LW		 3761};
3762
14befaf4 3763/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3764 * XS code wanting to be backward compatible can do something
3765 * like the following:
c745e42c 3766
24f81a43 3767#ifndef PERL_MG_UFUNC
24f81a43
DM		 3768#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3769#endif
3770
3771static PERL_MG_UFUNC(foo_get, index, val)
3772{
3773 sv_setsv(val, ...);
3774 return TRUE;
3775}
3776
3777-- Doug MacEachern
3778
3779*/
3780
fc9c74e6 3781#ifndef PERL_MG_UFUNC
24f81a43 3782#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3783#endif
24f81a43 3784
fe14fcc3 3785/* Fix these up for __STDC__ */
68dc0745 3786#ifndef DONT_DECLARE_STD
20ce7b12 3787char *mktemp (char*);
37bd1396 3788#ifndef atof
20ce7b12 3789double atof (const char*);
a0d0e21e 3790#endif
37bd1396 3791#endif
79072805 3792
352d5a3a 3793#ifndef STANDARD_C
fe14fcc3 3794/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3795Time_t time();
8d063cd8 3796struct tm *gmtime(), *localtime();
092bebab 3797#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3798char *(strchr)(), *(strrchr)();
3799char *(strcpy)(), *(strcat)();
3800#else