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Add file to MANIFEST that hitched a ride with change #32750. It
[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 231#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
f1b875a0 232 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 233
234#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
f1b875a0 235 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 236
237#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
f1b875a0 238 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 239
240#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
f1b875a0 241 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 242
243#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
f1b875a0 244 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 245
246#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
f1b875a0 247 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 248
249#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
f1b875a0 250 CALL_FPTR((rx)->engine->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 251
252#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
f1b875a0 253 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_COUNT(rx) \
f1b875a0 256 CALL_FPTR((rx)->engine->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 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
9c12f1e5
RGS		 678/* Funky places that do not have socket stuff. */
679#if defined(__LIBCATAMOUNT__)
680# define MYSWAP
681#endif
682
9a34ef1d
GS		 683#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
684# define MYSWAP
685#endif
686
1109a392
MHM		 687#ifdef PERL_CORE
688
689/* macros for correct constant construction */
690# if INTSIZE >= 2
691# define U16_CONST(x) ((U16)x##U)
692# else
693# define U16_CONST(x) ((U16)x##UL)
694# endif
695
696# if INTSIZE >= 4
697# define U32_CONST(x) ((U32)x##U)
698# else
699# define U32_CONST(x) ((U32)x##UL)
700# endif
701
702# ifdef HAS_QUAD
703# if INTSIZE >= 8
704# define U64_CONST(x) ((U64)x##U)
705# elif LONGSIZE >= 8
706# define U64_CONST(x) ((U64)x##UL)
707# elif QUADKIND == QUAD_IS_LONG_LONG
708# define U64_CONST(x) ((U64)x##ULL)
709# else /* best guess we can make */
710# define U64_CONST(x) ((U64)x##UL)
711# endif
712# endif
713
714/* byte-swapping functions for big-/little-endian conversion */
715# define _swab_16_(x) ((U16)( \
716 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
717 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
718
719# define _swab_32_(x) ((U32)( \
720 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
721 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
722 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
723 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
724
725# ifdef HAS_QUAD
726# define _swab_64_(x) ((U64)( \
727 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
728 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
729 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
730 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
731 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
732 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
733 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
734 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
735# endif
736
737/*----------------------------------------------------------------------------*/
738# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
739/*----------------------------------------------------------------------------*/
740# define my_htole16(x) (x)
741# define my_letoh16(x) (x)
742# define my_htole32(x) (x)
743# define my_letoh32(x) (x)
744# define my_htobe16(x) _swab_16_(x)
745# define my_betoh16(x) _swab_16_(x)
746# define my_htobe32(x) _swab_32_(x)
747# define my_betoh32(x) _swab_32_(x)
748# ifdef HAS_QUAD
749# define my_htole64(x) (x)
750# define my_letoh64(x) (x)
751# define my_htobe64(x) _swab_64_(x)
752# define my_betoh64(x) _swab_64_(x)
753# endif
754# define my_htoles(x) (x)
755# define my_letohs(x) (x)
756# define my_htolei(x) (x)
757# define my_letohi(x) (x)
758# define my_htolel(x) (x)
759# define my_letohl(x) (x)
760# if SHORTSIZE == 1
761# define my_htobes(x) (x)
762# define my_betohs(x) (x)
763# elif SHORTSIZE == 2
764# define my_htobes(x) _swab_16_(x)
765# define my_betohs(x) _swab_16_(x)
766# elif SHORTSIZE == 4
767# define my_htobes(x) _swab_32_(x)
768# define my_betohs(x) _swab_32_(x)
769# elif SHORTSIZE == 8
770# define my_htobes(x) _swab_64_(x)
771# define my_betohs(x) _swab_64_(x)
772# else
773# define PERL_NEED_MY_HTOBES
774# define PERL_NEED_MY_BETOHS
775# endif
776# if INTSIZE == 1
777# define my_htobei(x) (x)
778# define my_betohi(x) (x)
779# elif INTSIZE == 2
780# define my_htobei(x) _swab_16_(x)
781# define my_betohi(x) _swab_16_(x)
782# elif INTSIZE == 4
783# define my_htobei(x) _swab_32_(x)
784# define my_betohi(x) _swab_32_(x)
785# elif INTSIZE == 8
786# define my_htobei(x) _swab_64_(x)
787# define my_betohi(x) _swab_64_(x)
788# else
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# endif
792# if LONGSIZE == 1
793# define my_htobel(x) (x)
794# define my_betohl(x) (x)
795# elif LONGSIZE == 2
796# define my_htobel(x) _swab_16_(x)
797# define my_betohl(x) _swab_16_(x)
798# elif LONGSIZE == 4
799# define my_htobel(x) _swab_32_(x)
800# define my_betohl(x) _swab_32_(x)
801# elif LONGSIZE == 8
802# define my_htobel(x) _swab_64_(x)
803# define my_betohl(x) _swab_64_(x)
804# else
805# define PERL_NEED_MY_HTOBEL
806# define PERL_NEED_MY_BETOHL
807# endif
808# define my_htolen(p,n) NOOP
809# define my_letohn(p,n) NOOP
810# define my_htoben(p,n) my_swabn(p,n)
811# define my_betohn(p,n) my_swabn(p,n)
812/*----------------------------------------------------------------------------*/
813# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
814/*----------------------------------------------------------------------------*/
815# define my_htobe16(x) (x)
816# define my_betoh16(x) (x)
817# define my_htobe32(x) (x)
818# define my_betoh32(x) (x)
819# define my_htole16(x) _swab_16_(x)
820# define my_letoh16(x) _swab_16_(x)
821# define my_htole32(x) _swab_32_(x)
822# define my_letoh32(x) _swab_32_(x)
823# ifdef HAS_QUAD
824# define my_htobe64(x) (x)
825# define my_betoh64(x) (x)
826# define my_htole64(x) _swab_64_(x)
827# define my_letoh64(x) _swab_64_(x)
828# endif
829# define my_htobes(x) (x)
830# define my_betohs(x) (x)
831# define my_htobei(x) (x)
832# define my_betohi(x) (x)
833# define my_htobel(x) (x)
834# define my_betohl(x) (x)
835# if SHORTSIZE == 1
836# define my_htoles(x) (x)
837# define my_letohs(x) (x)
838# elif SHORTSIZE == 2
839# define my_htoles(x) _swab_16_(x)
840# define my_letohs(x) _swab_16_(x)
841# elif SHORTSIZE == 4
842# define my_htoles(x) _swab_32_(x)
843# define my_letohs(x) _swab_32_(x)
844# elif SHORTSIZE == 8
845# define my_htoles(x) _swab_64_(x)
846# define my_letohs(x) _swab_64_(x)
847# else
848# define PERL_NEED_MY_HTOLES
849# define PERL_NEED_MY_LETOHS
850# endif
851# if INTSIZE == 1
852# define my_htolei(x) (x)
853# define my_letohi(x) (x)
854# elif INTSIZE == 2
855# define my_htolei(x) _swab_16_(x)
856# define my_letohi(x) _swab_16_(x)
857# elif INTSIZE == 4
858# define my_htolei(x) _swab_32_(x)
859# define my_letohi(x) _swab_32_(x)
860# elif INTSIZE == 8
861# define my_htolei(x) _swab_64_(x)
862# define my_letohi(x) _swab_64_(x)
863# else
864# define PERL_NEED_MY_HTOLEI
865# define PERL_NEED_MY_LETOHI
866# endif
867# if LONGSIZE == 1
868# define my_htolel(x) (x)
869# define my_letohl(x) (x)
870# elif LONGSIZE == 2
871# define my_htolel(x) _swab_16_(x)
872# define my_letohl(x) _swab_16_(x)
873# elif LONGSIZE == 4
874# define my_htolel(x) _swab_32_(x)
875# define my_letohl(x) _swab_32_(x)
876# elif LONGSIZE == 8
877# define my_htolel(x) _swab_64_(x)
878# define my_letohl(x) _swab_64_(x)
879# else
880# define PERL_NEED_MY_HTOLEL
881# define PERL_NEED_MY_LETOHL
882# endif
883# define my_htolen(p,n) my_swabn(p,n)
884# define my_letohn(p,n) my_swabn(p,n)
885# define my_htoben(p,n) NOOP
886# define my_betohn(p,n) NOOP
887/*----------------------------------------------------------------------------*/
888# else /* all other byte-orders */
889/*----------------------------------------------------------------------------*/
890# define PERL_NEED_MY_HTOLE16
891# define PERL_NEED_MY_LETOH16
892# define PERL_NEED_MY_HTOBE16
893# define PERL_NEED_MY_BETOH16
894# define PERL_NEED_MY_HTOLE32
895# define PERL_NEED_MY_LETOH32
896# define PERL_NEED_MY_HTOBE32
897# define PERL_NEED_MY_BETOH32
898# ifdef HAS_QUAD
899# define PERL_NEED_MY_HTOLE64
900# define PERL_NEED_MY_LETOH64
901# define PERL_NEED_MY_HTOBE64
902# define PERL_NEED_MY_BETOH64
903# endif
904# define PERL_NEED_MY_HTOLES
905# define PERL_NEED_MY_LETOHS
906# define PERL_NEED_MY_HTOBES
907# define PERL_NEED_MY_BETOHS
908# define PERL_NEED_MY_HTOLEI
909# define PERL_NEED_MY_LETOHI
910# define PERL_NEED_MY_HTOBEI
911# define PERL_NEED_MY_BETOHI
912# define PERL_NEED_MY_HTOLEL
913# define PERL_NEED_MY_LETOHL
914# define PERL_NEED_MY_HTOBEL
915# define PERL_NEED_MY_BETOHL
916/*----------------------------------------------------------------------------*/
917# endif /* end of byte-order macros */
918/*----------------------------------------------------------------------------*/
919
9c17f24a
NC		 920/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
921 at least on FreeBSD. YMMV, so experiment. */
922#ifndef PERL_ARENA_SIZE
923#define PERL_ARENA_SIZE 4080
924#endif
925
1109a392
MHM		 926#endif /* PERL_CORE */
927
bdf3085f
NC		 928/* We no longer default to creating a new SV for GvSV.
929 Do this before embed. */
930#ifndef PERL_CREATE_GVSV
7459f06b
NC		 931# ifndef PERL_DONT_CREATE_GVSV
932# define PERL_DONT_CREATE_GVSV
933# endif
bdf3085f
NC		 934#endif
935
ca0c25f6
NC		 936#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
937#define PERL_USES_PL_PIDSTATUS
938#endif
939
a62746fa
RGS		 940#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
941#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
942#endif
943
66a93824
NIS		 944/* Cannot include embed.h here on Win32 as win32.h has not
945 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
946 */
96e176bf 947#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 948# include "embed.h"
eb8433b7
NC		 949# ifndef PERL_MAD
950# undef op_getmad
b3f24c00 951# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 952# endif
cea2e8a9
GS		 953#endif
954
c31fac66
GS		 955#define MEM_SIZE Size_t
956
1936d2a7
NC		 957/* Round all values passed to malloc up, by default to a multiple of
958 sizeof(size_t)
959*/
960#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
961#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
962#endif
963
51371543
GS		 964#if defined(STANDARD_C) && defined(I_STDDEF)
965# include <stddef.h>
966# define STRUCT_OFFSET(s,m) offsetof(s,m)
967#else
968# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
969#endif
970
9969cdde 971#ifndef __SYMBIAN32__
27da23d5
JH		 972# if defined(I_STRING) || defined(__cplusplus)
973# include <string.h>
974# else
975# include <strings.h>
976# endif
51371543
GS		 977#endif
978
55497cff 979/* This comes after <stdlib.h> so we don't try to change the standard
980 * library prototypes; we'll use our own in proto.h instead. */
03a14243 981
4633a7c4 982#ifdef MYMALLOC
86058a2d 983# ifdef PERL_POLLUTE_MALLOC
ee13e175 984# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 985# define Perl_malloc malloc
986# define Perl_calloc calloc
987# define Perl_realloc realloc
988# define Perl_mfree free
ee13e175 989# endif
86058a2d
GS		 990# else
991# define EMBEDMYMALLOC /* for compatibility */
992# endif
827e134a 993
651b9576
GS		 994# define safemalloc Perl_malloc
995# define safecalloc Perl_calloc
996# define saferealloc Perl_realloc
997# define safefree Perl_mfree
22f7c9c9
JH		 998# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
999 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1000 code; \
1001 } STMT_END
1002# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1003 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1004# define panic_write2(s) write(2, s, strlen(s))
1005# define CHECK_MALLOC_TAINT(newval) \
1006 CHECK_MALLOC_TOO_LATE_FOR_( \
1007 if (newval) { \
1008 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1009 exit(1); })
22f7c9c9 1010# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1011 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1012 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1013 }} STMT_END;
f2517201
GS		 1014#else /* MYMALLOC */
1015# define safemalloc safesysmalloc
1016# define safecalloc safesyscalloc
1017# define saferealloc safesysrealloc
1018# define safefree safesysfree
22f7c9c9
JH		 1019# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1020# define CHECK_MALLOC_TAINT(newval) ((void)0)
1021# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1022#endif /* MYMALLOC */
4633a7c4 1023
27da23d5 1024#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		 1025#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1026#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1027#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1028
a0d0e21e
LW		 1029#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1030#define strchr index
1031#define strrchr rindex
1032#endif
1033
16d20bd9
AD		 1034#ifdef I_MEMORY
1035# include <memory.h>
1036#endif
1037
fe14fcc3 1038#ifdef HAS_MEMCPY
85e6fe83 1039# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1040# ifndef memcpy
20ce7b12 1041 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1042# endif
1043# endif
1044#else
1045# ifndef memcpy
1046# ifdef HAS_BCOPY
1047# define memcpy(d,s,l) bcopy(s,d,l)
1048# else
1049# define memcpy(d,s,l) my_bcopy(s,d,l)
1050# endif
1051# endif
1052#endif /* HAS_MEMCPY */
fe14fcc3 1053
ee0007ab 1054#ifdef HAS_MEMSET
85e6fe83 1055# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1056# ifndef memset
20ce7b12 1057 extern char *memset (char*, int, int);
ee0007ab
LW		 1058# endif
1059# endif
ee0007ab 1060#else
12ae5dfc 1061# undef memset
fc36a67e 1062# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1063#endif /* HAS_MEMSET */
1064
85e6fe83 1065#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1066# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1067# define memmove(d,s,l) bcopy(s,d,l)
1068# else
2304df62 1069# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1070# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1071# else
79072805 1072# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1073# endif
352d5a3a 1074# endif
d9d8d8de 1075#endif
ee0007ab 1076
36477c24 1077#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1078# undef HAS_MEMCMP
1079#endif
1080
1081#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1082# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1083# ifndef memcmp
20ce7b12 1084 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1085# endif
1086# endif
36477c24 1087# ifdef BUGGY_MSC
7e4e8c89 1088# pragma function(memcmp)
36477c24 1089# endif
ee0007ab
LW		 1090#else
1091# ifndef memcmp
ecfc5424 1092# define memcmp my_memcmp
352d5a3a 1093# endif
36477c24 1094#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1095
fc36a67e 1096#ifndef memzero
c635e13b 1097# ifdef HAS_MEMSET
1098# define memzero(d,l) memset(d,0,l)
79072805 1099# else
c635e13b 1100# ifdef HAS_BZERO
1101# define memzero(d,l) bzero(d,l)
79072805 1102# else
fc36a67e 1103# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1104# endif
1105# endif
d9d8d8de 1106#endif
378cc40b 1107
2f42fcb0 1108#ifndef PERL_MICRO
0f27ced1
JH		 1109#ifndef memchr
1110# ifndef HAS_MEMCHR
1111# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1112# endif
1113#endif
2f42fcb0 1114#endif
0f27ced1 1115
36477c24 1116#ifndef HAS_BCMP
1117# ifndef bcmp
1118# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1119# endif
36477c24 1120#endif /* !HAS_BCMP */
378cc40b 1121
ae986130 1122#ifdef I_NETINET_IN
79072805 1123# include <netinet/in.h>
ae986130
LW		 1124#endif
1125
28e8609d
JH		 1126#ifdef I_ARPA_INET
1127# include <arpa/inet.h>
1128#endif
1129
84902520
TB		 1130#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1131/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1132 * (the neo-BSD seem to do this). */
1133# undef SF_APPEND
1134#endif
1135
1aef975c 1136#ifdef I_SYS_STAT
84902520 1137# include <sys/stat.h>
1aef975c 1138#endif
79072805 1139
a0d0e21e
LW		 1140/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1141 like UTekV) are broken, sometimes giving false positives. Undefine
1142 them here and let the code below set them to proper values.
1143
1144 The ghs macro stands for GreenHills Software C-1.8.5 which
1145 is the C compiler for sysV88 and the various derivatives.
1146 This header file bug is corrected in gcc-2.5.8 and later versions.
1147 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1148
1149#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1150# undef S_ISDIR
1151# undef S_ISCHR
1152# undef S_ISBLK
1153# undef S_ISREG
1154# undef S_ISFIFO
1155# undef S_ISLNK
ee0007ab 1156#endif
135863df 1157
663a0e37
LW		 1158#ifdef I_TIME
1159# include <time.h>
ffed7fef 1160#endif
663a0e37 1161
fe14fcc3 1162#ifdef I_SYS_TIME
85e6fe83 1163# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1164# define KERNEL
1165# endif
1166# include <sys/time.h>
85e6fe83 1167# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1168# undef KERNEL
1169# endif
a687059c 1170#endif
135863df 1171
55497cff 1172#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1173# include <sys/times.h>
d9d8d8de 1174#endif
8d063cd8 1175
fe14fcc3 1176#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1177# undef HAS_STRERROR
663a0e37
LW		 1178#endif
1179
1180#include <errno.h>
1e743fda 1181
acfe0abc 1182#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1183# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1184#endif
1185
8cfab5ff
JH		 1186/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1187 * This is important for using IPv6.
1188 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1189 * a bad idea since it breaks send() and recv(). */
1190#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1191# define _SOCKADDR_LEN
1192#endif
1193
8d3f517a 1194#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1195# include <sys/socket.h>
1196# if defined(USE_SOCKS) && defined(I_SOCKS)
1197# if !defined(INCLUDE_PROTOTYPES)
1198# define INCLUDE_PROTOTYPES /* for <socks.h> */
1199# define PERL_SOCKS_NEED_PROTOTYPES
1200# endif
1201# include <socks.h>
1202# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1203# undef INCLUDE_PROTOTYPES
1204# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1205# endif
d460ef45 1206# endif
1e743fda 1207# ifdef I_NETDB
2986a63f
JH		 1208# ifdef NETWARE
1209# include<stdio.h>
1210# endif
1e743fda
JH		 1211# include <netdb.h>
1212# endif
1213# ifndef ENOTSOCK
1214# ifdef I_NET_ERRNO
1215# include <net/errno.h>
1216# endif
1217# endif
1218#endif
1219
fa0a29af 1220/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1221 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1222 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1223#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1224# if defined(__THROW) && defined(__GLIBC__)
1225int sockatmark(int) __THROW;
1226# else
2ef53570 1227int sockatmark(int);
29820b6d 1228# endif
2ef53570
JH		 1229#endif
1230
7e827271 1231#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		 1232EXTERN_C int fchdir(int);
1233EXTERN_C int flock(int, int);
1234EXTERN_C int fseeko(FILE *, off_t, int);
1235EXTERN_C off_t ftello(FILE *);
1236#endif
1237
7e827271 1238#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1239EXTERN_C char *crypt(const char *, const char *);
7e827271 1240EXTERN_C char **environ;
1ccb7c8d
JH		 1241#endif
1242
83a6ff2e 1243#if defined(__cplusplus)
944c4fda 1244# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1245EXTERN_C char **environ;
83a6ff2e 1246# elif defined(__CYGWIN__)
667e2948
SP		 1247EXTERN_C char *crypt(const char *, const char *);
1248#endif
83a6ff2e 1249#endif
667e2948 1250
1e743fda
JH		 1251#ifdef SETERRNO
1252# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1253#endif
f86702cc 1254
1255#ifdef VMS
1256# define SETERRNO(errcode,vmserrcode) \
1257 STMT_START { \
1258 set_errno(errcode); \
1259 set_vaxc_errno(vmserrcode); \
1260 } STMT_END
93189314
JH		 1261# define LIB_INVARG LIB$_INVARG
1262# define RMS_DIR RMS$_DIR
1263# define RMS_FAC RMS$_FAC
1264# define RMS_FEX RMS$_FEX
1265# define RMS_FNF RMS$_FNF
1266# define RMS_IFI RMS$_IFI
1267# define RMS_ISI RMS$_ISI
1268# define RMS_PRV RMS$_PRV
1269# define SS_ACCVIO SS$_ACCVIO
1270# define SS_DEVOFFLINE SS$_DEVOFFLINE
1271# define SS_IVCHAN SS$_IVCHAN
1272# define SS_NORMAL SS$_NORMAL
748a9306 1273#else
aba27d88 1274# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1275# define LIB_INVARG 0
1276# define RMS_DIR 0
1277# define RMS_FAC 0
1278# define RMS_FEX 0
1279# define RMS_FNF 0
1280# define RMS_IFI 0
1281# define RMS_ISI 0
1282# define RMS_PRV 0
1283# define SS_ACCVIO 0
1284# define SS_DEVOFFLINE 0
1285# define SS_IVCHAN 0
1286# define SS_NORMAL 0
748a9306 1287#endif
ed6116ce 1288
3db8f154 1289#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1290/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1291#define DEFSV GvSVn(PL_defgv)
3db8f154 1292#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1293
98eae8f5
GS		 1294#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1295
55497cff 1296#ifndef errno
5ff3f7a4
GS		 1297 extern int errno; /* ANSI allows errno to be an lvalue expr.
1298 * For example in multithreaded environments
1299 * something like this might happen:
1300 * extern int *_errno(void);
1301 * #define errno (*_errno()) */
d9d8d8de 1302#endif
663a0e37 1303
2304df62 1304#ifdef HAS_STRERROR
a0d0e21e 1305# ifdef VMS
20ce7b12 1306 char *strerror (int,...);
a0d0e21e 1307# else
68dc0745 1308#ifndef DONT_DECLARE_STD
20ce7b12 1309 char *strerror (int);
68dc0745 1310#endif
a0d0e21e 1311# endif
2304df62
AD		 1312# ifndef Strerror
1313# define Strerror strerror
1314# endif
1315#else
1316# ifdef HAS_SYS_ERRLIST
79072805
LW		 1317 extern int sys_nerr;
1318 extern char *sys_errlist[];
2304df62
AD		 1319# ifndef Strerror
1320# define Strerror(e) \
79072805 1321 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1322# endif
79072805 1323# endif
35c8bce7 1324#endif
663a0e37 1325
2304df62 1326#ifdef I_SYS_IOCTL
79072805
LW		 1327# ifndef _IOCTL_
1328# include <sys/ioctl.h>
1329# endif
a687059c
LW		 1330#endif
1331
ee0007ab 1332#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1333# ifdef HAS_SOCKETPAIR
1334# undef HAS_SOCKETPAIR
1335# endif
2304df62
AD		 1336# ifdef I_NDBM
1337# undef I_NDBM
79072805 1338# endif
a687059c
LW		 1339#endif
1340
02fc2eee
NC		 1341#ifndef HAS_SOCKETPAIR
1342# ifdef HAS_SOCKET
1343# define socketpair Perl_my_socketpair
1344# endif
1345#endif
1346
a687059c 1347#if INTSIZE == 2
79072805
LW		 1348# define htoni htons
1349# define ntohi ntohs
a687059c 1350#else
79072805
LW		 1351# define htoni htonl
1352# define ntohi ntohl
a687059c
LW		 1353#endif
1354
a0d0e21e 1355/* Configure already sets Direntry_t */
35c8bce7 1356#if defined(I_DIRENT)
663a0e37 1357# include <dirent.h>
8f1f23e8
W		 1358 /* NeXT needs dirent + sys/dir.h */
1359# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1360# include <sys/dir.h>
1361# endif
ae986130 1362#else
fe14fcc3 1363# ifdef I_SYS_NDIR
79a0689e 1364# include <sys/ndir.h>
663a0e37 1365# else
fe14fcc3 1366# ifdef I_SYS_DIR
79a0689e
LW		 1367# ifdef hp9000s500
1368# include <ndir.h> /* may be wrong in the future */
1369# else
1370# include <sys/dir.h>
1371# endif
663a0e37
LW		 1372# endif
1373# endif
4633a7c4 1374#endif
a687059c 1375
12ae5dfc
JH		 1376#ifdef PERL_MICRO
1377# ifndef DIR
1378# define DIR void
1379# endif
1380#endif
1381
352d5a3a
LW		 1382#ifdef FPUTS_BOTCH
1383/* work around botch in SunOS 4.0.1 and 4.0.2 */
1384# ifndef fputs
79072805 1385# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1386# endif
1387#endif
1388
c623bd54
LW		 1389/*
1390 * The following gobbledygook brought to you on behalf of __STDC__.
1391 * (I could just use #ifndef __STDC__, but this is more bulletproof
1392 * in the face of half-implementations.)
1393 */
1394
7114a2d2 1395#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1396#include <sys/mode.h>
1397#endif
1398
c623bd54
LW		 1399#ifndef S_IFMT
1400# ifdef _S_IFMT
1401# define S_IFMT _S_IFMT
1402# else
1403# define S_IFMT 0170000
1404# endif
1405#endif
1406
1407#ifndef S_ISDIR
1408# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1409#endif
1410
1411#ifndef S_ISCHR
1412# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1413#endif
1414
1415#ifndef S_ISBLK
fe14fcc3
LW		 1416# ifdef S_IFBLK
1417# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1418# else
1419# define S_ISBLK(m) (0)
1420# endif
c623bd54
LW		 1421#endif
1422
1423#ifndef S_ISREG
1424# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1425#endif
1426
1427#ifndef S_ISFIFO
fe14fcc3
LW		 1428# ifdef S_IFIFO
1429# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1430# else
1431# define S_ISFIFO(m) (0)
1432# endif
c623bd54
LW		 1433#endif
1434
1435#ifndef S_ISLNK
1436# ifdef _S_ISLNK
1437# define S_ISLNK(m) _S_ISLNK(m)
1438# else
1439# ifdef _S_IFLNK
1440# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1441# else
1442# ifdef S_IFLNK
1443# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1444# else
1445# define S_ISLNK(m) (0)
1446# endif
1447# endif
1448# endif
1449#endif
1450
1451#ifndef S_ISSOCK
1452# ifdef _S_ISSOCK
1453# define S_ISSOCK(m) _S_ISSOCK(m)
1454# else
1455# ifdef _S_IFSOCK
1456# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1457# else
1458# ifdef S_IFSOCK
1459# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1460# else
1461# define S_ISSOCK(m) (0)
1462# endif
1463# endif
1464# endif
1465#endif
1466
1467#ifndef S_IRUSR
1468# ifdef S_IREAD
1469# define S_IRUSR S_IREAD
1470# define S_IWUSR S_IWRITE
1471# define S_IXUSR S_IEXEC
1472# else
1473# define S_IRUSR 0400
1474# define S_IWUSR 0200
1475# define S_IXUSR 0100
1476# endif
fac7cdfc
JS		 1477#endif
1478
1479#ifndef S_IRGRP
1480# ifdef S_IRUSR
1481# define S_IRGRP (S_IRUSR>>3)
1482# define S_IWGRP (S_IWUSR>>3)
1483# define S_IXGRP (S_IXUSR>>3)
1484# else
1485# define S_IRGRP 0040
1486# define S_IWGRP 0020
1487# define S_IXGRP 0010
1488# endif
1489#endif
1490
1491#ifndef S_IROTH
1492# ifdef S_IRUSR
1493# define S_IROTH (S_IRUSR>>6)
1494# define S_IWOTH (S_IWUSR>>6)
1495# define S_IXOTH (S_IXUSR>>6)
1496# else
1497# define S_IROTH 0040
1498# define S_IWOTH 0020
1499# define S_IXOTH 0010
1500# endif
c623bd54
LW		 1501#endif
1502
1503#ifndef S_ISUID
1504# define S_ISUID 04000
1505#endif
1506
1507#ifndef S_ISGID
1508# define S_ISGID 02000
1509#endif
1510
ca6e1c26
JH		 1511#ifndef S_IRWXU
1512# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1513#endif
ca6e1c26
JH		 1514
1515#ifndef S_IRWXG
1516# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1517#endif
ca6e1c26
JH		 1518
1519#ifndef S_IRWXO
1520# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1521#endif
ca6e1c26 1522
c21fb2b8
JH		 1523/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1524 * which would get included through <sys/file.h >, but that is 3000
1525 * lines in the future. --jhi */
1526
1527#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1528# define S_IREAD S_IRUSR
1529#endif
1530
c21fb2b8 1531#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1532# define S_IWRITE S_IWUSR
1533#endif
1534
1535#ifndef S_IEXEC
1536# define S_IEXEC S_IXUSR
1537#endif
1538
79072805
LW		 1539#ifdef ff_next
1540# undef ff_next
352d5a3a
LW		 1541#endif
1542
a0d0e21e 1543#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1544# define SLOPPYDIVIDE
1545#endif
1546
748a9306
LW		 1547#ifdef UV
1548#undef UV
1549#endif
1550
c89df6bf
JH		 1551#ifdef SPRINTF_E_BUG
1552# define sprintf UTS_sprintf_wrap
1553#endif
1554
ce582cee
NC		 1555/* For the times when you want the return value of sprintf, and you want it
1556 to be the length. Can't have a thread variable passed in, because C89 has
1557 no varargs macros.
1558*/
1559#ifdef SPRINTF_RETURNS_STRLEN
1560# define my_sprintf sprintf
1561#else
1562# define my_sprintf Perl_my_sprintf
1563#endif
1564
5b692037
JH		 1565/*
1566 * If we have v?snprintf() and the C99 variadic macros, we can just
1567 * use just the v?snprintf(). It is nice to try to trap the buffer
1568 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1569 * gcc statement expressions, then use the function wrappers which try
1570 * to trap the overflow. If we can use the gcc statement expressions,
1571 * we can try that even with the version that uses the C99 variadic
1572 * macros.
5b692037
JH		 1573 */
1574
1208b3dd
JH		 1575/* Note that we do not check against snprintf()/vsnprintf() returning
1576 * negative values because that is non-standard behaviour and we use
1577 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1578 * that should be true only if the snprintf()/vsnprintf() are true
1579 * to the standard. */
1580
dfeee9b1 1581#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1582# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1583# 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 1584# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1585# else
1586# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1587# endif
1588#else
1589# define my_snprintf Perl_my_snprintf
1208b3dd 1590# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1591#endif
1592
dfeee9b1 1593#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1594# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1595# 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 1596# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1597# else
1598# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1599# endif
1600#else
1601# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1602# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1603#endif
d9fad198 1604
a6cc4119
SP		 1605#ifdef HAS_STRLCAT
1606# define my_strlcat strlcat
1607#else
1608# define my_strlcat Perl_my_strlcat
1609#endif
1610
1611#ifdef HAS_STRLCPY
1612# define my_strlcpy strlcpy
1613#else
1614# define my_strlcpy Perl_my_strlcpy
1615#endif
1616
c495e728
JH		 1617/* Configure gets this right but the UTS compiler gets it wrong.
1618 -- Hal Morris <hom00@utsglobal.com> */
1619#ifdef UTS
1620# undef UVTYPE
1621# define UVTYPE unsigned
1622#endif
1623
05f13f53 1624/*
27d4fb96 1625 The IV type is supposed to be long enough to hold any integral
1626 value or a pointer.
1627 --Andy Dougherty August 1996
1628*/
1629
a22e52b9
JH		 1630typedef IVTYPE IV;
1631typedef UVTYPE UV;
8175356b 1632
10cc9d2a 1633#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1634# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1635# define IV_MAX INT64_MAX
1636# define IV_MIN INT64_MIN
1637# define UV_MAX UINT64_MAX
cae7ae48
JH		 1638# ifndef UINT64_MIN
1639# define UINT64_MIN 0
1640# endif
5ff3f7a4
GS		 1641# define UV_MIN UINT64_MIN
1642# else
1643# define IV_MAX PERL_QUAD_MAX
1644# define IV_MIN PERL_QUAD_MIN
1645# define UV_MAX PERL_UQUAD_MAX
1646# define UV_MIN PERL_UQUAD_MIN
1647# endif
cf2093f6
JH		 1648# define IV_IS_QUAD
1649# define UV_IS_QUAD
79072805 1650#else
8175356b 1651# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1652# define IV_MAX INT32_MAX
1653# define IV_MIN INT32_MIN
716026f9
DL		 1654# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1655# define UV_MAX UINT32_MAX
1656# else
1657# define UV_MAX 4294967295U
1658# endif
cae7ae48
JH		 1659# ifndef UINT32_MIN
1660# define UINT32_MIN 0
1661# endif
5ff3f7a4
GS		 1662# define UV_MIN UINT32_MIN
1663# else
1664# define IV_MAX PERL_LONG_MAX
1665# define IV_MIN PERL_LONG_MIN
1666# define UV_MAX PERL_ULONG_MAX
1667# define UV_MIN PERL_ULONG_MIN
1668# endif
8175356b 1669# if IVSIZE == 8
cf2093f6
JH		 1670# define IV_IS_QUAD
1671# define UV_IS_QUAD
de1c2614
JH		 1672# ifndef HAS_QUAD
1673# define HAS_QUAD
1674# endif
cf2093f6
JH		 1675# else
1676# undef IV_IS_QUAD
1677# undef UV_IS_QUAD
de1c2614 1678# undef HAS_QUAD
cf2093f6 1679# endif
79072805 1680#endif
d7d93a81 1681
1109a392
MHM		 1682#ifndef HAS_QUAD
1683# undef PERL_NEED_MY_HTOLE64
1684# undef PERL_NEED_MY_LETOH64
1685# undef PERL_NEED_MY_HTOBE64
1686# undef PERL_NEED_MY_BETOH64
1687#endif
1688
6cde8aec 1689#if defined(uts) || defined(UTS)
11afe549
HM		 1690# undef UV_MAX
1691# define UV_MAX (4294967295u)
20601011
JH		 1692#endif
1693
cae7ae48 1694#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1695#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1696
28e5dec8 1697#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1698#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1699#endif
1700
d460ef45 1701/*
26bb67e2
JH		 1702 * The macros INT2PTR and NUM2PTR are (despite their names)
1703 * bi-directional: they will convert int/float to or from pointers.
1704 * However the conversion to int/float are named explicitly:
1705 * PTR2IV, PTR2UV, PTR2NV.
1706 *
1707 * For int conversions we do not need two casts if pointers are
1708 * the same size as IV and UV. Otherwise we need an explicit
1709 * cast (PTRV) to avoid compiler warnings.
1710 */
56431972
RB		 1711#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1712# define PTRV UV
1713# define INT2PTR(any,d) (any)(d)
1714#else
d460ef45 1715# if PTRSIZE == LONGSIZE
56431972 1716# define PTRV unsigned long
e91e3b10 1717# define PTR2ul(p) (unsigned long)(p)
42718184 1718# else
56431972 1719# define PTRV unsigned
42718184 1720# endif
e91e3b10
RB		 1721#endif
1722
1723#ifndef INT2PTR
56431972 1724# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1725#endif
e91e3b10
RB		 1726
1727#ifndef PTR2ul
1728# define PTR2ul(p) INT2PTR(unsigned long,p)
1729#endif
1730
56431972
RB		 1731#define NUM2PTR(any,d) (any)(PTRV)(d)
1732#define PTR2IV(p) INT2PTR(IV,p)
1733#define PTR2UV(p) INT2PTR(UV,p)
1734#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1735#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1736
8141890a
JH		 1737/* According to strict ANSI C89 one cannot freely cast between
1738 * data pointers and function (code) pointers. There are at least
1739 * two ways around this. One (used below) is to do two casts,
1740 * first the other pointer to an (unsigned) integer, and then
1741 * the integer to the other pointer. The other way would be
1742 * to use unions to "overlay" the pointers. For an example of
1743 * the latter technique, see union dirpu in struct xpvio in sv.h.
1744 * The only feasible use is probably temporarily storing
1745 * function pointers in a data pointer (such as a void pointer). */
1746
e91e3b10
RB		 1747#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1748#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1749
65202027 1750#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1751# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1752# define LONG_DOUBLE_EQUALS_DOUBLE
1753# endif
68d4903c 1754# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1755# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1756# endif
1757#endif
1758
2d4389e4
JH		 1759#ifdef OVR_DBL_DIG
1760/* Use an overridden DBL_DIG */
1761# ifdef DBL_DIG
1762# undef DBL_DIG
1763# endif
1764# define DBL_DIG OVR_DBL_DIG
1765#else
1766/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1767 default value for printing floating point numbers in Gconvert
1768 (see config.h). (It also has other uses, such as figuring out if
1769 a given precision of printing can be done with a double instead of
1770 a long double - Allen).
2d4389e4
JH		 1771*/
1772#ifdef I_LIMITS
1773#include <limits.h>
1774#endif
1775#ifdef I_FLOAT
1776#include <float.h>
1777#endif
1778#ifndef HAS_DBL_DIG
1779#define DBL_DIG 15 /* A guess that works lots of places */
1780#endif
1781#endif
1782
1783#ifdef OVR_LDBL_DIG
1784/* Use an overridden LDBL_DIG */
1785# ifdef LDBL_DIG
1786# undef LDBL_DIG
1787# endif
1788# define LDBL_DIG OVR_LDBL_DIG
1789#else
1790/* The following is all to get LDBL_DIG, in order to pick a nice
1791 default value for printing floating point numbers in Gconvert.
1792 (see config.h)
1793*/
68d4903c
JH		 1794# ifdef I_LIMITS
1795# include <limits.h>
1796# endif
1797# ifdef I_FLOAT
1798# include <float.h>
1799# endif
1800# ifndef HAS_LDBL_DIG
1801# if LONG_DOUBLESIZE == 10
1802# define LDBL_DIG 18 /* assume IEEE */
1803# else
1804# if LONG_DOUBLESIZE == 12
1805# define LDBL_DIG 18 /* gcc? */
1806# else
1807# if LONG_DOUBLESIZE == 16
1808# define LDBL_DIG 33 /* assume IEEE */
1809# else
1810# if LONG_DOUBLESIZE == DOUBLESIZE
1811# define LDBL_DIG DBL_DIG /* bummer */
1812# endif
1813# endif
1814# endif
1815# endif
1816# endif
2d4389e4
JH		 1817#endif
1818
20f6aaab
AS		 1819/*
1820 * This is for making sure we have a good DBL_MAX value, if possible,
1821 * either for usage as NV_MAX or for usage in figuring out if we can
1822 * fit a given long double into a double, if bug-fixing makes it
1823 * necessary to do so. - Allen <allens@cpan.org>
1824 */
1825
205f51d8
AS		 1826#ifdef I_LIMITS
1827# include <limits.h>
20f6aaab
AS		 1828#endif
1829
205f51d8
AS		 1830#ifdef I_VALUES
1831# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1832# include <values.h>
1833# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1834# define DBL_MAX MAXDOUBLE
1835# endif
1836# if defined(MINDOUBLE) && !defined(DBL_MIN)
1837# define DBL_MIN MINDOUBLE
1838# endif
1839# endif
1840#endif /* defined(I_VALUES) */
1841
a22e52b9 1842typedef NVTYPE NV;
8175356b 1843
792d8dab
JH		 1844#ifdef I_IEEEFP
1845# include <ieeefp.h>
1846#endif
923fc586 1847
65202027 1848#ifdef USE_LONG_DOUBLE
923fc586
JH		 1849# ifdef I_SUNMATH
1850# include <sunmath.h>
1851# endif
2d4389e4 1852# define NV_DIG LDBL_DIG
d6c14000
JH		 1853# ifdef LDBL_MANT_DIG
1854# define NV_MANT_DIG LDBL_MANT_DIG
1855# endif
06fc1729
JH		 1856# ifdef LDBL_MIN
1857# define NV_MIN LDBL_MIN
1858# endif
1859# ifdef LDBL_MAX
1860# define NV_MAX LDBL_MAX
1861# endif
1862# ifdef LDBL_MIN_10_EXP
1863# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1864# endif
1865# ifdef LDBL_MAX_10_EXP
1866# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1867# endif
1868# ifdef LDBL_EPSILON
1869# define NV_EPSILON LDBL_EPSILON
1870# endif
f4a14a62
JH		 1871# ifdef LDBL_MAX
1872# define NV_MAX LDBL_MAX
20f6aaab 1873/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1874# else
1875# ifdef HUGE_VALL
1876# define NV_MAX HUGE_VALL
1877# else
1878# ifdef HUGE_VAL
1879# define NV_MAX ((NV)HUGE_VAL)
1880# endif
1881# endif
1882# endif
68d4903c 1883# ifdef HAS_SQRTL
68d4903c
JH		 1884# define Perl_cos cosl
1885# define Perl_sin sinl
1886# define Perl_sqrt sqrtl
1887# define Perl_exp expl
1888# define Perl_log logl
1889# define Perl_atan2 atan2l
1890# define Perl_pow powl
1891# define Perl_floor floorl
1bbae031 1892# define Perl_ceil ceill
68d4903c
JH		 1893# define Perl_fmod fmodl
1894# endif
a3540c92
JH		 1895/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1896# ifdef HAS_MODFL
1897# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1898/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1899 prototype in <math.h> */
1900# ifndef HAS_MODFL_PROTO
a221a8a5 1901EXTERN_C long double modfl(long double, long double *);
51997bc3 1902# endif
03476e8e
JH		 1903# else
1904# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1905 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1906# define Perl_modf(x,y) Perl_my_modfl(x,y)
1907# endif
a3540c92
JH		 1908# endif
1909# ifdef HAS_FREXPL
dff3e0b8 1910# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1911# else
1912# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1913 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1914# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1915# endif
a3540c92 1916# endif
38dbb4c5 1917# ifndef Perl_isnan
758a5d79
JH		 1918# ifdef HAS_ISNANL
1919# define Perl_isnan(x) isnanl(x)
1920# endif
1921# endif
1922# ifndef Perl_isinf
1923# ifdef HAS_FINITEL
1924# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1925# endif
1926# endif
65202027 1927#else
2d4389e4 1928# define NV_DIG DBL_DIG
d6c14000
JH		 1929# ifdef DBL_MANT_DIG
1930# define NV_MANT_DIG DBL_MANT_DIG
1931# endif
06fc1729
JH		 1932# ifdef DBL_MIN
1933# define NV_MIN DBL_MIN
1934# endif
1935# ifdef DBL_MAX
1936# define NV_MAX DBL_MAX
1937# endif
1938# ifdef DBL_MIN_10_EXP
1939# define NV_MIN_10_EXP DBL_MIN_10_EXP
1940# endif
1941# ifdef DBL_MAX_10_EXP
1942# define NV_MAX_10_EXP DBL_MAX_10_EXP
1943# endif
1944# ifdef DBL_EPSILON
1945# define NV_EPSILON DBL_EPSILON
1946# endif
205f51d8 1947# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1948# define NV_MAX DBL_MAX
1949# define NV_MIN DBL_MIN
1950# else
1951# ifdef HUGE_VAL
1952# define NV_MAX HUGE_VAL
1953# endif
1954# endif
65202027
DS		 1955# define Perl_cos cos
1956# define Perl_sin sin
1957# define Perl_sqrt sqrt
1958# define Perl_exp exp
1959# define Perl_log log
1960# define Perl_atan2 atan2
1961# define Perl_pow pow
1962# define Perl_floor floor
1bbae031 1963# define Perl_ceil ceil
65202027 1964# define Perl_fmod fmod
a3540c92 1965# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1966# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1967#endif
1968
1969/* rumor has it that Win32 has _fpclass() */
1970
205f51d8
AS		 1971/* SGI has fpclassl... but not with the same result values,
1972 * and it's via a typedef (not via #define), so will need to redo Configure
1973 * to use. Not worth the trouble, IMO, at least until the below is used
1974 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1975 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1976 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1977
758a5d79
JH		 1978#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1979# ifdef I_IEEFP
1980# include <ieeefp.h>
1981# endif
1982# ifdef I_FP
1983# include <fp.h>
1984# endif
1985# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1986# define Perl_fp_class() fpclassl(x)
1987# else
1988# define Perl_fp_class() fpclass(x)
1989# endif
1990# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1991# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1992# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1993# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1994# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1995# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1996# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1997# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1998# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1999# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2000# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2001# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2002# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2003# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2004# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2005#endif
2006
7114a2d2 2007#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2008# include <math.h>
2009# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2010# include <fp_class.h>
2011# endif
2012# define Perl_fp_class(x) fp_class(x)
2013# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2014# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2015# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2016# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2017# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2018# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2019# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2020# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2021# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2022# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2023# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2024# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2025# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2026# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2027# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2028#endif
2029
2030#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2031# include <math.h>
2032# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2033# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2034# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2035# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2036# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2037# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2038#endif
2039
2040#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2041# include <math.h>
2042# ifndef _cplusplus
2043# define Perl_fp_class(x) class(x)
2044# else
2045# define Perl_fp_class(x) _class(x)
2046# endif
2047# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2048# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2049# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2050# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2051# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2052# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2053# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2054# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2055# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2056# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2057# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2058# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2059# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2060# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2061# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2062#endif
2063
2064/* rumor has it that Win32 has _isnan() */
2065
2066#ifndef Perl_isnan
a3540c92 2067# ifdef HAS_ISNAN
758a5d79
JH		 2068# define Perl_isnan(x) isnan((NV)x)
2069# else
2070# ifdef Perl_fp_class_nan
2071# define Perl_isnan(x) Perl_fp_class_nan(x)
2072# else
2073# ifdef HAS_UNORDERED
2074# define Perl_isnan(x) unordered((x), 0.0)
2075# else
2076# define Perl_isnan(x) ((x)!=(x))
2077# endif
2078# endif
2079# endif
2080#endif
2081
ca6c63e1
JH		 2082#ifdef UNDER_CE
2083int isnan(double d);
2084#endif
2085
758a5d79
JH		 2086#ifndef Perl_isinf
2087# ifdef HAS_ISINF
2088# define Perl_isinf(x) isinf((NV)x)
a3540c92 2089# else
758a5d79
JH		 2090# ifdef Perl_fp_class_inf
2091# define Perl_isinf(x) Perl_fp_class_inf(x)
2092# else
2093# define Perl_isinf(x) ((x)==NV_INF)
2094# endif
2095# endif
2096#endif
2097
2098#ifndef Perl_isfinite
2099# ifdef HAS_FINITE
2100# define Perl_isfinite(x) finite((NV)x)
2101# else
2102# ifdef HAS_ISFINITE
2103# define Perl_isfinite(x) isfinite(x)
2104# else
2105# ifdef Perl_fp_class_finite
2106# define Perl_isfinite(x) Perl_fp_class_finite(x)
2107# else
2108# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2109# endif
2110# endif
a3540c92 2111# endif
65202027
DS		 2112#endif
2113
a36244b7
JH		 2114/* The default is to use Perl's own atof() implementation (in numeric.c).
2115 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2116 * it is however best to use the native implementation of atof.
2117 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2118 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2119 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2120 * you may need to be using a different function than atof! */
a36244b7
JH		 2121
2122#ifndef USE_PERL_ATOF
2123# ifndef _UNICOS
2124# define USE_PERL_ATOF
2125# endif
2126#else
2127# if USE_PERL_ATOF == 0
2128# undef USE_PERL_ATOF
2129# endif
2130#endif
2131
2132#ifdef USE_PERL_ATOF
2133# define Perl_atof(s) Perl_my_atof(s)
2134# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2135#else
2136# define Perl_atof(s) (NV)atof(s)
2137# define Perl_atof2(s, n) ((n) = atof(s))
2138#endif
cf2093f6 2139
d460ef45 2140/* Previously these definitions used hardcoded figures.
760ac839
LW		 2141 * It is hoped these formula are more portable, although
2142 * no data one way or another is presently known to me.
2143 * The "PERL_" names are used because these calculated constants
2144 * do not meet the ANSI requirements for LONG_MAX, etc., which
2145 * need to be constants acceptable to #if - kja
2146 * define PERL_LONG_MAX 2147483647L
2147 * define PERL_LONG_MIN (-LONG_MAX - 1)
2148 * define PERL ULONG_MAX 4294967295L
2149 */
2150
2151#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2152# include <limits.h>
760ac839 2153#endif
205f51d8
AS		 2154/* Included values.h above if necessary; still including limits.h down here,
2155 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2156
99abf803 2157/*
2158 * Try to figure out max and min values for the integral types. THE CORRECT
2159 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2160 * following hacks are used if neither limits.h or values.h provide them:
2161 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2162 * for types < int: (unsigned TYPE)~(unsigned)0
2163 * The argument to ~ must be unsigned so that later signed->unsigned
2164 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2165 * and it must not be smaller than int because ~ does integral promotion.
2166 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2167 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2168 * The latter is a hack which happens to work on some machines but
2169 * does *not* catch any random system, or things like integer types
2170 * with NaN if that is possible.
2171 *
2172 * All of the types are explicitly cast to prevent accidental loss of
2173 * numeric range, and in the hope that they will be less likely to confuse
2174 * over-eager optimizers.
2175 *
2176 */
27d4fb96 2177
99abf803 2178#define PERL_UCHAR_MIN ((unsigned char)0)
2179
2180#ifdef UCHAR_MAX
2181# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2182#else
99abf803 2183# ifdef MAXUCHAR
2184# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2185# else
99abf803 2186# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2187# endif
2188#endif
d460ef45 2189
99abf803 2190/*
2191 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2192 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2193 * depending on local options. Until Configure detects this (or at least
2194 * detects whether the "signed" keyword is available) the CHAR ranges
2195 * will not be included. UCHAR functions normally.
2196 * - kja
2197 */
27d4fb96 2198
99abf803 2199#define PERL_USHORT_MIN ((unsigned short)0)
2200
2201#ifdef USHORT_MAX
2202# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2203#else
99abf803 2204# ifdef MAXUSHORT
2205# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2206# else
ef2f54b0
CB		 2207# ifdef USHRT_MAX
2208# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2209# else
2210# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2211# endif
27d4fb96 2212# endif
2213#endif
2214
27d4fb96 2215#ifdef SHORT_MAX
99abf803 2216# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2217#else
2218# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2219# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2220# else
ef2f54b0
CB		 2221# ifdef SHRT_MAX
2222# define PERL_SHORT_MAX ((short)SHRT_MAX)
2223# else
2224# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2225# endif
27d4fb96 2226# endif
2227#endif
2228
2229#ifdef SHORT_MIN
99abf803 2230# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2231#else
2232# ifdef MINSHORT
99abf803 2233# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2234# else
ef2f54b0
CB		 2235# ifdef SHRT_MIN
2236# define PERL_SHORT_MIN ((short)SHRT_MIN)
2237# else
2238# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2239# endif
27d4fb96 2240# endif
2241#endif
2242
99abf803 2243#ifdef UINT_MAX
2244# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2245#else
99abf803 2246# ifdef MAXUINT
2247# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2248# else
99abf803 2249# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2250# endif
2251#endif
2252
99abf803 2253#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2254
2255#ifdef INT_MAX
99abf803 2256# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2257#else
2258# ifdef MAXINT /* Often used in <values.h> */
99abf803 2259# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2260# else
99abf803 2261# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2262# endif
2263#endif
2264
2265#ifdef INT_MIN
99abf803 2266# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2267#else
2268# ifdef MININT
99abf803 2269# define PERL_INT_MIN ((int)MININT)
27d4fb96 2270# else
2271# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2272# endif
2273#endif
2274
99abf803 2275#ifdef ULONG_MAX
2276# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2277#else
99abf803 2278# ifdef MAXULONG
2279# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2280# else
99abf803 2281# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2282# endif
2283#endif
2284
99abf803 2285#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2286
760ac839 2287#ifdef LONG_MAX
99abf803 2288# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2289#else
2290# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2291# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2292# else
99abf803 2293# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2294# endif
2295#endif
2296
2297#ifdef LONG_MIN
99abf803 2298# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2299#else
2300# ifdef MINLONG
99abf803 2301# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2302# else
27d4fb96 2303# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2304# endif
2305#endif
2306
d7d93a81 2307#ifdef UV_IS_QUAD
99abf803 2308
99abf803 2309# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2310# define PERL_UQUAD_MIN ((UV)0)
99abf803 2311# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2312# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2313
79072805
LW		 2314#endif
2315
22f7c9c9
JH		 2316#ifdef MYMALLOC
2317# include "malloc_ctl.h"
2318#endif
2319
830247a4 2320struct RExC_state_t;
8e11feef 2321struct _reg_trie_data;
880b20b6 2322
ee0007ab 2323typedef MEM_SIZE STRLEN;
450a55e4 2324
598921a7
NC		 2325#ifdef PERL_MAD
2326typedef struct token TOKEN;
2327typedef struct madprop MADPROP;
2328typedef struct nexttoken NEXTTOKE;
2329#endif
79072805
LW		 2330typedef struct op OP;
2331typedef struct cop COP;
2332typedef struct unop UNOP;
2333typedef struct binop BINOP;
2334typedef struct listop LISTOP;
2335typedef struct logop LOGOP;
79072805
LW		 2336typedef struct pmop PMOP;
2337typedef struct svop SVOP;
7934575e 2338typedef struct padop PADOP;
79072805 2339typedef struct pvop PVOP;
79072805
LW		 2340typedef struct loop LOOP;
2341
cd1541b2
NC		 2342typedef struct interpreter PerlInterpreter;
2343
d2b3f365
SS		 2344/* Amdahl's <ksync.h> has struct sv */
2345/* SGI's <sys/sema.h> has struct sv */
2346#if defined(UTS) || defined(__sgi)
2347# define STRUCT_SV perl_sv
b8d3c5db
JH		 2348#else
2349# define STRUCT_SV sv
2350#endif
2351typedef struct STRUCT_SV SV;
79072805
LW		 2352typedef struct av AV;
2353typedef struct hv HV;
2354typedef struct cv CV;
378cc40b 2355typedef struct regexp REGEXP;
79072805 2356typedef struct gp GP;
0c30d9ec 2357typedef struct gv GV;
8990e307 2358typedef struct io IO;
c09156bb 2359typedef struct context PERL_CONTEXT;
79072805
LW		 2360typedef struct block BLOCK;
2361
2362typedef struct magic MAGIC;
2363typedef struct xpv XPV;
2364typedef struct xpviv XPVIV;
ff68c719 2365typedef struct xpvuv XPVUV;
79072805
LW		 2366typedef struct xpvnv XPVNV;
2367typedef struct xpvmg XPVMG;
2368typedef struct xpvlv XPVLV;
2369typedef struct xpvav XPVAV;
2370typedef struct xpvhv XPVHV;
2371typedef struct xpvgv XPVGV;
2372typedef struct xpvcv XPVCV;
2373typedef struct xpvbm XPVBM;
2374typedef struct xpvfm XPVFM;
8990e307 2375typedef struct xpvio XPVIO;
79072805
LW		 2376typedef struct mgvtbl MGVTBL;
2377typedef union any ANY;
5f7fde29
GS		 2378typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2379typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2380typedef struct clone_params CLONE_PARAMS;
2381
378cc40b 2382#include "handy.h"
a0d0e21e 2383
6b8eaf93 2384#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2385# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2386# define USE_64_BIT_RAWIO /* implicit */
2387# endif
4564133c
JH		 2388#endif
2389
6b8eaf93
JH		 2390/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2391 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2392 * however, because operating systems like to do that themself. */
2393#ifndef FSEEKSIZE
2394# ifdef HAS_FSEEKO
2395# define FSEEKSIZE LSEEKSIZE
2396# else
2397# define FSEEKSIZE LONGSIZE
d460ef45 2398# endif
6b8eaf93
JH		 2399#endif
2400
2401#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2402# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2403# define USE_64_BIT_STDIO /* implicit */
2404# endif
2405#endif
4564133c 2406
09458382 2407#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2408# ifdef HAS_OFF64_T
2409# undef Off_t
2410# define Off_t off64_t
2411# undef LSEEKSIZE
2412# define LSEEKSIZE 8
5ff3f7a4 2413# endif
d9b3e12d
JH		 2414/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2415 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2416 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2417# if defined(USE_OPEN64)
2418# define open open64
5ff3f7a4 2419# endif
d9b3e12d
JH		 2420# if defined(USE_LSEEK64)
2421# define lseek lseek64
6b8eaf93
JH		 2422# else
2423# if defined(USE_LLSEEK)
2424# define lseek llseek
2425# endif
d9b3e12d
JH		 2426# endif
2427# if defined(USE_STAT64)
2428# define stat stat64
2429# endif
2430# if defined(USE_FSTAT64)
2431# define fstat fstat64
2432# endif
2433# if defined(USE_LSTAT64)
2434# define lstat lstat64
2435# endif
2436# if defined(USE_FLOCK64)
2437# define flock flock64
2438# endif
2439# if defined(USE_LOCKF64)
2440# define lockf lockf64
2441# endif
2442# if defined(USE_FCNTL64)
2443# define fcntl fcntl64
2444# endif
2445# if defined(USE_TRUNCATE64)
2446# define truncate truncate64
2447# endif
2448# if defined(USE_FTRUNCATE64)
2449# define ftruncate ftruncate64
2450# endif
2451#endif
2452
2453#ifdef USE_64_BIT_STDIO
2454# ifdef HAS_FPOS64_T
2455# undef Fpos_t
2456# define Fpos_t fpos64_t
2457# endif
2458/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2459 * will trigger defines like the ones below. Some 64-bit environments,
2460 * however, do not. */
2461# if defined(USE_FOPEN64)
2462# define fopen fopen64
2463# endif
2464# if defined(USE_FSEEK64)
6b8eaf93 2465# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2466# endif
2467# if defined(USE_FTELL64)
6b8eaf93 2468# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2469# endif
2470# if defined(USE_FSETPOS64)
2471# define fsetpos fsetpos64
2472# endif
2473# if defined(USE_FGETPOS64)
2474# define fgetpos fgetpos64
2475# endif
2476# if defined(USE_TMPFILE64)
2477# define tmpfile tmpfile64
2478# endif
2479# if defined(USE_FREOPEN64)
2480# define freopen freopen64
5ff3f7a4
GS		 2481# endif
2482#endif
2483
af8b425d 2484#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2485# include "iperlsys.h"
2486#endif
2487
6f71a643 2488#if defined(__OPEN_VM)
19848b3f
JH		 2489# include "vmesa/vmesaish.h"
2490# define ISHISH "vmesa"
6f71a643
JH		 2491#endif
2492
748a9306 2493#ifdef DOSISH
19848b3f
JH		 2494# if defined(OS2)
2495# include "os2ish.h"
2496# else
2497# include "dosish.h"
2498# endif
2499# define ISHISH "dos"
2500#endif
2501
2502#if defined(VMS)
748a9306 2503# include "vmsish.h"
96e176bf 2504# include "embed.h"
eb8433b7
NC		 2505# ifndef PERL_MAD
2506# undef op_getmad
b3f24c00 2507# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2508# endif
19848b3f
JH		 2509# define ISHISH "vms"
2510#endif
2511
2512#if defined(PLAN9)
2513# include "./plan9/plan9ish.h"
2514# define ISHISH "plan9"
2515#endif
2516
2517#if defined(MPE)
2518# include "mpeix/mpeixish.h"
2519# define ISHISH "mpeix"
2520#endif
2521
2522#if defined(__VOS__)
196918b0
PG		 2523# ifdef __GNUC__
2524# include "./vos/vosish.h"
2525# else
2526# include "vos/vosish.h"
2527# endif
19848b3f
JH		 2528# define ISHISH "vos"
2529#endif
2530
2531#if defined(EPOC)
2532# include "epocish.h"
2533# define ISHISH "epoc"
2534#endif
2535
9969cdde 2536#ifdef __SYMBIAN32__
27da23d5
JH		 2537# include "symbian/symbianish.h"
2538# include "embed.h"
eb8433b7
NC		 2539# ifndef PERL_MAD
2540# undef op_getmad
b3f24c00 2541# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2542# endif
27da23d5
JH		 2543# define ISHISH "symbian"
2544#endif
2545
19848b3f
JH		 2546#if defined(MACOS_TRADITIONAL)
2547# include "macos/macish.h"
2548# ifndef NO_ENVIRON_ARRAY
2549# define NO_ENVIRON_ARRAY
0c30d9ec 2550# endif
19848b3f
JH		 2551# define ISHISH "macos classic"
2552#endif
2553
efca5cc6
JH		 2554#if defined(__BEOS__)
2555# include "beos/beosish.h"
2556# define ISHISH "beos"
2557#endif
2558
19848b3f
JH		 2559#ifndef ISHISH
2560# include "unixish.h"
2561# define ISHISH "unix"
13b6e58c
JH		 2562#endif
2563
2946a158
JH		 2564/* NSIG logic from Configure --> */
2565/* Strange style to avoid deeply-nested #if/#else/#endif */
2566#ifndef NSIG
2567# ifdef _NSIG
2568# define NSIG (_NSIG)
2569# endif
2570#endif
2571
2572#ifndef NSIG
2573# ifdef SIGMAX
2574# define NSIG (SIGMAX+1)
2575# endif
2576#endif
2577
2578#ifndef NSIG
2579# ifdef SIG_MAX
2580# define NSIG (SIG_MAX+1)
2581# endif
2582#endif
2583
2584#ifndef NSIG
2585# ifdef _SIG_MAX
2586# define NSIG (_SIG_MAX+1)
2587# endif
2588#endif
2589
2590#ifndef NSIG
2591# ifdef MAXSIG
2592# define NSIG (MAXSIG+1)
2593# endif
2594#endif
2595
2596#ifndef NSIG
2597# ifdef MAX_SIG
2598# define NSIG (MAX_SIG+1)
2599# endif
2600#endif
2601
2602#ifndef NSIG
2603# ifdef SIGARRAYSIZE
2604# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2605# endif
2606#endif
2607
2608#ifndef NSIG
2609# ifdef _sys_nsig
2610# define NSIG (_sys_nsig) /* Solaris 2.5 */
2611# endif
2612#endif
2613
2614/* Default to some arbitrary number that's big enough to get most
2615 of the common signals.
2616*/
2617#ifndef NSIG
2618# define NSIG 50
2619#endif
2620/* <-- NSIG logic from Configure */
2621
13b6e58c
JH		 2622#ifndef NO_ENVIRON_ARRAY
2623# define USE_ENVIRON_ARRAY
2624#endif
32f822de 2625
c77b533b
JH		 2626/*
2627 * initialise to avoid floating-point exceptions from overflow, etc
2628 */
2629#ifndef PERL_FPU_INIT
2630# ifdef HAS_FPSETMASK
2631# if HAS_FLOATINGPOINT_H
2632# include <floatingpoint.h>
2633# endif
7f7c3354 2634# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2635# else
2f42fcb0 2636# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2637# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2638# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2639# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2640# else
2641# define PERL_FPU_INIT
2f42fcb0 2642
7014c407 2643# endif
c77b533b
JH		 2644# endif
2645#endif
b35112e7
CS		 2646#ifndef PERL_FPU_PRE_EXEC
2647# define PERL_FPU_PRE_EXEC {
2648# define PERL_FPU_POST_EXEC }
2649#endif
c77b533b 2650
cbec8ebe
DM		 2651#ifndef PERL_SYS_INIT3_BODY
2652# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2653#endif
2654
cbec8ebe
DM		 2655#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2656#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2657#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2658
be708cc0
JH		 2659#ifndef PERL_WRITE_MSG_TO_CONSOLE
2660# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2661#endif
2662
0f31cffe
GS		 2663#ifndef MAXPATHLEN
2664# ifdef PATH_MAX
b990c8b2
JH		 2665# ifdef _POSIX_PATH_MAX
2666# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2667/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2668 * included the null byte or not. Later amendments of POSIX,
2669 * XPG4, the Austin Group, and the Single UNIX Specification
2670 * all explicitly include the null byte in the PATH_MAX.
2671 * Ditto for _POSIX_PATH_MAX. */
2672# define MAXPATHLEN PATH_MAX
b990c8b2 2673# else
09448d78 2674# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2675# endif
2676# else
2677# define MAXPATHLEN (PATH_MAX+1)
2678# endif
0f31cffe 2679# else
b990c8b2 2680# ifdef _POSIX_PATH_MAX
09448d78 2681# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2682# else
2683# define MAXPATHLEN 1024 /* Err on the large side. */
2684# endif
0f31cffe
GS		 2685# endif
2686#endif
2687
c80263a8
SH		 2688/* In case Configure was not used (we are using a "canned config"
2689 * such as Win32, or a cross-compilation setup, for example) try going
2690 * by the gcc major and minor versions. One useful URL is
2691 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2692 * but contrary to this information warn_unused_result seems
2693 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2694 * Also, when building extensions with an installed perl, this allows
2695 * the user to upgrade gcc and get the right attributes, rather than
2696 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2697 * Set these up now otherwise we get confused when some of the <*thread.h>
2698 * includes below indirectly pull in <perlio.h> (which needs to know if we
2699 * have HASATTRIBUTE_FORMAT).
2700 */
2701
4d7c7898 2702#ifndef PERL_MICRO
fc2007d4 2703#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2704# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2705# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2706# if defined __MINGW32__
2707# define PRINTF_FORMAT_NULL_OK
2708# endif
c80263a8
SH		 2709# endif
2710# if __GNUC__ >= 3 /* 3.0 -> */
2711# define HASATTRIBUTE_MALLOC
2712# endif
2713# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2714# define HASATTRIBUTE_NONNULL
2715# endif
2716# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2717# define HASATTRIBUTE_NORETURN
2718# endif
2719# if __GNUC__ >= 3 /* gcc 3.0 -> */
2720# define HASATTRIBUTE_PURE
2721# endif
42bf5550 2722# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2723# define HASATTRIBUTE_UNUSED
2724# endif
d324fe49
AD		 2725# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2726# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2727# endif
c80263a8
SH		 2728# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2729# define HASATTRIBUTE_WARN_UNUSED_RESULT
2730# endif
2731#endif
4d7c7898 2732#endif /* #ifndef PERL_MICRO */
c80263a8 2733
3db8f154 2734/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2735 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2736 * this results in many functions being undeclared which bothers C++
2737 * May make sense to have threads after "*ish.h" anyway
2738 */
2739
3db8f154 2740#if defined(USE_ITHREADS)
2986a63f
JH		 2741# ifdef NETWARE
2742# include <nw5thread.h>
2743# else
32f822de
GS		 2744# ifdef FAKE_THREADS
2745# include "fakethr.h"
2746# else
2747# ifdef WIN32
2748# include <win32thread.h>
2749# else
dd96f567
IZ		 2750# ifdef OS2
2751# include "os2thread.h"
2752# else
7f3d1cf1 2753# ifdef I_MACH_CTHREADS
bdd66968 2754# include <mach/cthreads.h>
8f1f23e8 2755# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2756# define MUTEX_INIT_CALLS_MALLOC
2757# endif
7f3d1cf1
BH		 2758typedef cthread_t perl_os_thread;
2759typedef mutex_t perl_mutex;
2760typedef condition_t perl_cond;
2761typedef void * perl_key;
2762# else /* Posix threads */
1f5ae88c
JH		 2763# ifdef I_PTHREAD
2764# include <pthread.h>
2765# endif
7f3d1cf1
BH		 2766typedef pthread_t perl_os_thread;
2767typedef pthread_mutex_t perl_mutex;
2768typedef pthread_cond_t perl_cond;
2769typedef pthread_key_t perl_key;
2770# endif /* I_MACH_CTHREADS */
dd96f567 2771# endif /* OS2 */
32f822de
GS		 2772# endif /* WIN32 */
2773# endif /* FAKE_THREADS */
2986a63f 2774#endif /* NETWARE */
3db8f154 2775#endif /* USE_ITHREADS */
c5be433b 2776
66a93824 2777#if defined(WIN32)
1feb2720 2778# include "win32.h"
c5be433b
GS		 2779#endif
2780
2986a63f
JH		 2781#ifdef NETWARE
2782# include "netware.h"
2783#endif
2784
e5218da5 2785#define STATUS_UNIX PL_statusvalue
68dc0745 2786#ifdef VMS
6b88bc9c 2787# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2788/*
2789 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2790 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2791 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2792 * be updated also.
2793 */
2794# include <stsdef.h>
2795# include <ssdef.h>
2796/* Presume this because if VMS changes it, it will require a new
2797 * set of APIs for waiting on children for binary compatibility.
2798 */
2799# define child_offset_bits (8)
2800# ifndef C_FAC_POSIX
2801# define C_FAC_POSIX 0x35A000
2802# endif
2803
2804/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2805 * platform from the existing UNIX or Native status values.
2806 */
2807
37038d91 2808# define STATUS_EXIT \
7a7fd8e0
JM		 2809 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2810 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2811
7a7fd8e0 2812
fb38d079
JM		 2813/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2814 * exit code and shifts the UNIX value over the correct number of bits to
2815 * be a child status. Usually the number of bits is 8, but that could be
2816 * platform dependent. The NATIVE status code is presumed to have either
2817 * from a child process.
7a7fd8e0
JM		 2818 */
2819
fb38d079
JM		 2820/* This is complicated. The child processes return a true native VMS
2821 status which must be saved. But there is an assumption in Perl that
2822 the UNIX child status has some relationship to errno values, so
2823 Perl tries to translate it to text in some of the tests.
2824 In order to get the string translation correct, for the error, errno
2825 must be EVMSERR, but that generates a different text message
2826 than what the test programs are expecting. So an errno value must
2827 be derived from the native status value when an error occurs.
2828 That will hide the true native status message. With this version of
2829 perl, the true native child status can always be retrieved so that
2830 is not a problem. But in this case, Pl_statusvalue and errno may
2831 have different values in them.
2832 */
7a7fd8e0 2833
fb38d079 2834# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2835 STMT_START { \
2fbb330f
JM		 2836 I32 evalue = (I32)n; \
2837 if (evalue == EVMSERR) { \
2838 PL_statusvalue_vms = vaxc$errno; \
2839 PL_statusvalue = evalue; \
7a7fd8e0 2840 } else { \
2fbb330f 2841 PL_statusvalue_vms = evalue; \
fb38d079 2842 if (evalue == -1) { \
3280af22 2843 PL_statusvalue = -1; \
7a7fd8e0
JM		 2844 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2845 } else \
fb38d079 2846 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2847 set_vaxc_errno(evalue); \
fb38d079
JM		 2848 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2849 set_errno(EVMSERR); \
2850 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2851 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2852 } \
68dc0745 2853 } STMT_END
7a7fd8e0 2854
68dc0745 2855# ifdef VMSISH_STATUS
e5218da5 2856# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2857# else
e5218da5 2858# define STATUS_CURRENT STATUS_UNIX
68dc0745 2859# endif
7a7fd8e0
JM		 2860
2861 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2862 * the NATIVE status to an equivalent value. Can not be used to translate
2863 * exit code values as exit code values are not guaranteed to have any
2864 * relationship at all to errno values.
2865 * This is used when Perl is forcing errno to have a specific value.
2866 */
e5218da5 2867# define STATUS_UNIX_SET(n) \
68dc0745 2868 STMT_START { \
7a7fd8e0 2869 I32 evalue = (I32)n; \
0968cdad 2870 PL_statusvalue = evalue; \
3280af22 2871 if (PL_statusvalue != -1) { \
0968cdad
JM		 2872 if (PL_statusvalue != EVMSERR) { \
2873 PL_statusvalue &= 0xFFFF; \
2874 if (MY_POSIX_EXIT) \
2875 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2876 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2877 } \
2878 else { \
2879 PL_statusvalue_vms = vaxc$errno; \
2880 } \
68dc0745 2881 } \
0968cdad
JM		 2882 else PL_statusvalue_vms = SS$_ABORT; \
2883 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2884 } STMT_END
2885
2886 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2887 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2888 * the UNIX/POSIX exit codes have any relationship to errno, except
2889 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2890 * with the Perl VMS documentation, any other code sets the NATIVE
2891 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2892 *
2893 * In the new POSIX EXIT mode, native status will be set so that the
2894 * actual exit code will can be retrieved by the calling program or
2895 * shell.
2896 *
2897 * If the exit code is not clearly a UNIX parent or child exit status,
2898 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2899 */
2900
fb38d079 2901# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2902 STMT_START { \
2903 I32 evalue = (I32)n; \
2904 PL_statusvalue = evalue; \
fb38d079
JM		 2905 if (evalue != -1) { \
2906 if (evalue <= 0xFF00) { \
2907 if (evalue > 0xFF) \
2908 evalue = (evalue >> child_offset_bits) & 0xFF; \
2909 if (evalue == 0) \
2910 PL_statusvalue_vms == SS$_NORMAL; \
2911 else \
2912 if (MY_POSIX_EXIT) \
2913 PL_statusvalue_vms = \
2914 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2915 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2916 else \
6ac6a52b 2917 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2918 } else { /* forgive them Perl, for they have sinned */ \
2919 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2920 else PL_statusvalue_vms = vaxc$errno; \
2921 /* And obviously used a VMS status value instead of UNIX */ \
2922 PL_statusvalue = EVMSERR; \
2923 } \
7a7fd8e0
JM		 2924 } \
2925 else PL_statusvalue_vms = SS$_ABORT; \
2926 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2927 } STMT_END
fb38d079 2928
6ac6a52b
JM		 2929 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2930 * and sets the NATIVE error status based on it. This special case
2931 * is needed to maintain compatibility with past VMS behavior.
2932 *
2933 * In the default mode on VMS, this number is passed through as
2934 * both the NATIVE and UNIX status. Which makes it different
2935 * that the STATUS_UNIX_EXIT_SET.
2936 *
2937 * In the new POSIX EXIT mode, native status will be set so that the
2938 * actual exit code will can be retrieved by the calling program or
2939 * shell.
2940 *
2941 */
2942
2943# define STATUS_EXIT_SET(n) \
2944 STMT_START { \
2945 I32 evalue = (I32)n; \
2946 PL_statusvalue = evalue; \
2947 if (MY_POSIX_EXIT) \
2948 PL_statusvalue_vms = \
2949 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2950 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2951 else \
2952 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2953 set_vaxc_errno(PL_statusvalue_vms); \
2954 } STMT_END
2955
fb38d079
JM		 2956
2957 /* This macro forces a success status */
7a7fd8e0
JM		 2958# define STATUS_ALL_SUCCESS \
2959 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2960
2961 /* This macro forces a failure status */
7a7fd8e0
JM		 2962# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2963 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2964 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2965
68dc0745 2966#else
e5218da5 2967# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2968# if defined(WCOREDUMP)
37038d91 2969# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2970 STMT_START { \
2971 PL_statusvalue_posix = (n); \
2972 if (PL_statusvalue_posix == -1) \
2973 PL_statusvalue = -1; \
2974 else { \
2975 PL_statusvalue = \
2976 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2977 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2978 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2979 } \
2980 } STMT_END
2981# elif defined(WIFEXITED)
37038d91 2982# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2983 STMT_START { \
2984 PL_statusvalue_posix = (n); \
2985 if (PL_statusvalue_posix == -1) \
2986 PL_statusvalue = -1; \
2987 else { \
2988 PL_statusvalue = \
2989 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2990 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2991 } \
2992 } STMT_END
2993# else
37038d91 2994# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2995 STMT_START { \
2996 PL_statusvalue_posix = (n); \
2997 if (PL_statusvalue_posix == -1) \
2998 PL_statusvalue = -1; \
2999 else { \
3000 PL_statusvalue = \
3001 PL_statusvalue_posix & 0xFFFF; \
3002 } \
3003 } STMT_END
3004# endif
3005# define STATUS_UNIX_SET(n) \
68dc0745 3006 STMT_START { \
3280af22
NIS		 3007 PL_statusvalue = (n); \
3008 if (PL_statusvalue != -1) \
3009 PL_statusvalue &= 0xFFFF; \
68dc0745 3010 } STMT_END
7a7fd8e0 3011# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3012# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3013# define STATUS_CURRENT STATUS_UNIX
37038d91 3014# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3015# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3016# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3017#endif
3018
cc3604b1
GS		 3019/* flags in PL_exit_flags for nature of exit() */
3020#define PERL_EXIT_EXPECTED 0x01
31d77e54 3021#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3022
0b94c7bb 3023#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3024# define MEMBER_TO_FPTR(name) name
3025#endif
3026
3027/* format to use for version numbers in file/directory names */
273cf8d1 3028/* XXX move to Configure? */
a7cb1f99 3029#ifndef PERL_FS_VER_FMT
273cf8d1 3030# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 3031#endif
3032
45bc9206 3033/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3034 * performance issue, so we allow people to disable it. Also, if
3035 * we are using stdio, there are broken implementations of fflush(NULL)
3036 * out there, Solaris being the most prominent.
45bc9206
GS		 3037 */
3038#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3039# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3040# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3041# else
3042# ifdef FFLUSH_ALL
3043# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3044# else
c5be433b 3045# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3046# endif
66fe083f 3047# endif
45bc9206
GS		 3048#endif
3049
7766f137
GS		 3050#ifndef PERL_WAIT_FOR_CHILDREN
3051# define PERL_WAIT_FOR_CHILDREN NOOP
3052#endif
3053
ba869deb 3054/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3055#ifndef PERL_SET_INTERP
3056# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3057#endif
3058
3059#ifndef PERL_GET_INTERP
3060# define PERL_GET_INTERP (PL_curinterp)
3061#endif
3062
54aff467 3063#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3064# ifdef MULTIPLICITY
ba869deb 3065# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3066# endif
ba869deb
GS		 3067# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3068#endif
3069
8896765a
RB		 3070/*
3071 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3072 All that is required is that the perl source does not
8896765a
RB		 3073 use "%-p" or "%-<number>p" or "%<number>p" formats.
3074 These formats will still work in perl code.
3075 See comments in sv.c for futher details.
3076
8896765a 3077 Robin Barker 2005-07-14
f46d31f2
RB		 3078
3079 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3080*/
8896765a
RB		 3081
3082#ifndef SVf_
63ce7bf0 3083# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3084#endif
3085
8896765a 3086#ifndef SVf
104abab4 3087# define SVf "-p"
d2560b70
RB		 3088#endif
3089
014ead4b 3090#ifndef SVf32
8896765a 3091# define SVf32 SVf_(32)
014ead4b
RB		 3092#endif
3093
3094#ifndef SVf256
8896765a
RB		 3095# define SVf256 SVf_(256)
3096#endif
3097
be2597df
MHM		 3098#define SVfARG(p) ((void*)(p))
3099
f46d31f2
RB		 3100#ifdef PERL_CORE
3101/* not used; but needed for backward compatibilty with XS code? - RMB */
3102# undef VDf
3103#else
3104# ifndef VDf
8896765a
RB		 3105# define VDf "vd"
3106# endif
014ead4b 3107#endif
170cd9e9
NC		 3108
3109#ifdef PERL_CORE
f5992bc4 3110/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3111# undef UVf
3112#else
170cd9e9
NC		 3113# ifndef UVf
3114# define UVf UVuf
3115# endif
d2560b70
RB		 3116#endif
3117
0dbb1585
AL		 3118#ifdef HASATTRIBUTE_FORMAT
3119# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3120#endif
3121#ifdef HASATTRIBUTE_MALLOC
77785eea 3122# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3123#endif
0dbb1585 3124#ifdef HASATTRIBUTE_NONNULL
abb2c242 3125# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3126#endif
0dbb1585 3127#ifdef HASATTRIBUTE_NORETURN
abb2c242 3128# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3129#endif
0dbb1585 3130#ifdef HASATTRIBUTE_PURE
abb2c242 3131# define __attribute__pure__ __attribute__((pure))
f22be1b8 3132#endif
0dbb1585
AL		 3133#ifdef HASATTRIBUTE_UNUSED
3134# define __attribute__unused__ __attribute__((unused))
3135#endif
3136#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3137# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3138#endif
3139
0dbb1585
AL		 3140/* If we haven't defined the attributes yet, define them to blank. */
3141#ifndef __attribute__format__
3142# define __attribute__format__(x,y,z)
3143#endif
f22be1b8 3144#ifndef __attribute__malloc__
abb2c242 3145# define __attribute__malloc__
f22be1b8
JH		 3146#endif
3147#ifndef __attribute__nonnull__
abb2c242 3148# define __attribute__nonnull__(a)
f22be1b8
JH		 3149#endif
3150#ifndef __attribute__noreturn__
abb2c242 3151# define __attribute__noreturn__
f22be1b8
JH		 3152#endif
3153#ifndef __attribute__pure__
abb2c242 3154# define __attribute__pure__
f22be1b8 3155#endif
0dbb1585
AL		 3156#ifndef __attribute__unused__
3157# define __attribute__unused__
3158#endif
f22be1b8 3159#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3160# define __attribute__warn_unused_result__
3161#endif
3162
0dbb1585
AL		 3163/* For functions that are marked as __attribute__noreturn__, it's not
3164 appropriate to call return. In either case, include the lint directive.
3165 */
3166#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3167# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3168#else
b37c2d43 3169# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3170#endif
3171
cdfeb707
RB		 3172/* Some OS warn on NULL format to printf */
3173#ifdef PRINTF_FORMAT_NULL_OK
3174# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3175#else
3176# define __attribute__format__null_ok__(x,y,z)
3177#endif
3178
635aebb7 3179#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3180# define EXPECT(expr,val) __builtin_expect(expr,val)
3181#else
3182# define EXPECT(expr,val) (expr)
3183#endif
3184#define LIKELY(cond) EXPECT(cond,1)
3185#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3186#ifdef HAS_BUILTIN_CHOOSE_EXPR
3187/* placeholder */
3188#endif
b37c2d43 3189
3fc1aec6 3190/* Some unistd.h's give a prototype for pause() even though
3191 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3192 below to be rejected by the compiler. Sigh.
3fc1aec6 3193*/
3194#ifdef HAS_PAUSE
3195#define Pause pause
3196#else
3197#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3198#endif
3199
3200#ifndef IOCPARM_LEN
3201# ifdef IOCPARM_MASK
61f1c44b 3202 /* on BSDish systems we're safe */
748a9306
LW		 3203# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3204# else
61f1c44b 3205# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3206 /* on Linux systems we're safe; except when we're not [perl #38223] */
3207# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3208# else
748a9306 3209 /* otherwise guess at what's safe */
61f1c44b
JVD		 3210# define IOCPARM_LEN(x) 256
3211# endif
748a9306 3212# endif
a0d0e21e
LW		 3213#endif
3214
1761cee5 3215#if defined(__CYGWIN__)
521e0776
GS		 3216/* USEMYBINMODE
3217 * This symbol, if defined, indicates that the program should
16fe6d59 3218 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3219 * that a file is in "binary" mode -- that is, that no translation
3220 * of bytes occurs on read or write operations.
3221 */
36894f0b 3222# define USEMYBINMODE /**/
77a40698 3223# include <io.h> /* for setmode() prototype */
16fe6d59 3224# define my_binmode(fp, iotype, mode) \
77a40698 3225 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3226#endif
3227
88d10794
JH		 3228#ifdef __CYGWIN__
3229void init_os_extras(void);
3230#endif
3231
cea2e8a9
GS		 3232#ifdef UNION_ANY_DEFINITION
3233UNION_ANY_DEFINITION;
3234#else
3235union any {
3236 void* any_ptr;
3237 I32 any_i32;
3238 IV any_iv;
3239 long any_long;
9febdf04 3240 bool any_bool;
c76ac1ee 3241 void (*any_dptr) (void*);
acfe0abc 3242 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3243};
3244#endif
3245
acfe0abc 3246typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3247
3248#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3249#define FILTER_DATA(idx) \
3250 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3251#define FILTER_ISREADER(idx) \
3252 (PL_parser && PL_parser->rsfp_filters \
3253 && idx >= AvFILLp(PL_parser->rsfp_filters))
3254#define PERL_FILTER_EXISTS(i) \
3255 (PL_parser && PL_parser->rsfp_filters \
3256 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3257
c5078cac
JH		 3258#if defined(_AIX) && !defined(_AIX43)
3259#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3260/* We cannot include <crypt.h> to get the struct crypt_data
3261 * because of setkey prototype problems when threading */
3262typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3263 /* From OSF, Not needed in AIX
3264 char C[28], D[28];
3265 */
3266 char E[48];
3267 char KS[16][48];
3268 char block[66];
3269 char iobuf[16];
3270} CRYPTD;
3271#endif /* threading */
3272#endif /* AIX */
3273
af8b425d 3274#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3275# include "iperlsys.h"
3276#endif
504f80c1 3277
9c12f1e5
RGS		 3278#ifdef __LIBCATAMOUNT__
3279#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3280#undef HAS_GROUP
3281#define FAKE_BIT_BUCKET
3282#endif
3283
d10dc2ae
JH		 3284/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3285 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3286 * defined by Configure, despite their names being similar to the
3287 * other defines like USE_ITHREADS. Configure in fact knows nothing
3288 * about the randomised hashes. Therefore to enable/disable the hash
3289 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3290#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3291# define USE_HASH_SEED
504f80c1
JH		 3292#endif
3293
598921a7
NC		 3294/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3295 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3296 * it's not really needed.
3297 */
3298#if defined(WIN32)
3299# define YYTOKENTYPE
3300#endif
3301#include "perly.h"
3302
3303#ifdef PERL_MAD
3304struct nexttoken {
3305 YYSTYPE next_val; /* value of next token, if any */
3306 I32 next_type; /* type of next token */
3307 MADPROP *next_mad; /* everything else about that token */
3308};
3309#endif
3310
378cc40b 3311#include "regexp.h"
79072805 3312#include "sv.h"
378cc40b 3313#include "util.h"
8d063cd8 3314#include "form.h"
79072805 3315#include "gv.h"
dd2155a4 3316#include "pad.h"
79072805 3317#include "cv.h"
abdd5c84 3318#include "opnames.h"
79072805 3319#include "op.h"
b3ca2e83 3320#include "hv.h"
79072805
LW		 3321#include "cop.h"
3322#include "av.h"
79072805
LW		 3323#include "mg.h"
3324#include "scope.h"
4438c4b7 3325#include "warnings.h"
a0ed51b3 3326#include "utf8.h"
8d063cd8 3327
7fae4e64
GS		 3328
3329typedef struct _sublex_info SUBLEXINFO;
3330struct _sublex_info {
651b5b28
NC		 3331 U8 super_state; /* lexer state to save */
3332 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3333 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3334 char *super_bufptr; /* PL_parser->bufptr that was */
3335 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3336};
3337
199e78b7
DM		 3338#include "parser.h"
3339
455ece5e 3340typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3341
2c2d71f5 3342struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3343struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3344
6f51351d
NC		 3345/* Keep next first in this structure, because sv_free_arenas take
3346 advantage of this to share code between the pte arenas and the SV
3347 body arenas */
5f7fde29
GS		 3348struct ptr_tbl_ent {
3349 struct ptr_tbl_ent* next;
53c1dcc0 3350 const void* oldval;
5f7fde29 3351 void* newval;
d18c6117
GS		 3352};
3353
5f7fde29
GS		 3354struct ptr_tbl {
3355 struct ptr_tbl_ent** tbl_ary;
3356 UV tbl_max;
3357 UV tbl_items;
d18c6117
GS		 3358};
3359
450a55e4 3360#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3361# define I286
3362#endif
3363
fe14fcc3
LW		 3364#if defined(htonl) && !defined(HAS_HTONL)
3365#define HAS_HTONL
ae986130 3366#endif
fe14fcc3
LW		 3367#if defined(htons) && !defined(HAS_HTONS)
3368#define HAS_HTONS
ae986130 3369#endif
fe14fcc3
LW		 3370#if defined(ntohl) && !defined(HAS_NTOHL)
3371#define HAS_NTOHL
ae986130 3372#endif
fe14fcc3
LW		 3373#if defined(ntohs) && !defined(HAS_NTOHS)
3374#define HAS_NTOHS
ae986130 3375#endif
fe14fcc3 3376#ifndef HAS_HTONL
d9d8d8de 3377#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3378#define HAS_HTONS
3379#define HAS_HTONL
3380#define HAS_NTOHS
3381#define HAS_NTOHL
a687059c
LW		 3382#define MYSWAP
3383#define htons my_swap
3384#define htonl my_htonl
3385#define ntohs my_swap
3386#define ntohl my_ntohl
3387#endif
3388#else
d9d8d8de 3389#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3390#undef HAS_HTONS
3391#undef HAS_HTONL
3392#undef HAS_NTOHS
3393#undef HAS_NTOHL
a687059c
LW		 3394#endif
3395#endif
3396
988174c1
LW		 3397/*
3398 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3399 * -DWS
3400 */
3401#if BYTEORDER != 0x1234
3402# define HAS_VTOHL
3403# define HAS_VTOHS
3404# define HAS_HTOVL
3405# define HAS_HTOVS
c67712b2 3406# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3407# define vtohl(x) ((((x)&0xFF)<<24) \
3408 +(((x)>>24)&0xFF) \
3409 +(((x)&0x0000FF00)<<8) \
3410 +(((x)&0x00FF0000)>>8) )
3411# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3412# define htovl(x) vtohl(x)
3413# define htovs(x) vtohs(x)
3414# endif
3415 /* otherwise default to functions in util.c */
2a8c3029 3416#ifndef htovs
c623ac67
GS		 3417short htovs(short n);
3418short vtohs(short n);
3419long htovl(long n);
3420long vtohl(long n);
988174c1 3421#endif
2a8c3029 3422#endif
988174c1 3423
3bb7c1b4
JH		 3424/* *MAX Plus 1. A floating point value.
3425 Hopefully expressed in a way that dodgy floating point can't mess up.
3426 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3427 is added to it
3428 May find that some broken compiler will want the value cast to I32.
3429 [after the shift, as signed >> may not be as secure as unsigned >>]
3430*/
3431#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3432#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3433/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3434 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3435 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3436*/
3437#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3438
3bb7c1b4
JH		 3439#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3440#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3441#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3442
3443/* This may look like unnecessary jumping through hoops, but converting
3444 out of range floating point values to integers *is* undefined behaviour,
3445 and it is starting to bite.
3446*/
3447#ifndef CAST_INLINE
65202027 3448#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3449#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3450#define I_V(what) (cast_iv((NV)(what)))
3451#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3452#else
3453#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3454 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3455 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3456#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3457 : ((n) < U32_MAX_P1 ? (U32) (n) \
3458 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3459#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3460 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3461 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3462#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3463 : ((n) < UV_MAX_P1 ? (UV) (n) \
3464 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3465#endif
3466
3467#define U_S(what) ((U16)U_32(what))
3468#define U_I(what) ((unsigned int)U_32(what))
3469#define U_L(what) U_32(what)
ed6116ce 3470
ed140128
AD		 3471#ifdef HAS_SIGNBIT
3472# define Perl_signbit signbit
3473#endif
3474
2d4389e4
JH		 3475/* These do not care about the fractional part, only about the range. */
3476#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3477#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3478
25da4f38
IZ		 3479/* Used with UV/IV arguments: */
3480 /* XXXX: need to speed it up */
3481#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3482#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3483
352d5a3a
LW		 3484#ifndef MAXSYSFD
3485# define MAXSYSFD 2
3486#endif
ee0007ab 3487
79072805 3488#ifndef __cplusplus
27da23d5 3489#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3490Uid_t getuid (void);
3491Uid_t geteuid (void);
3492Gid_t getgid (void);
3493Gid_t getegid (void);
79072805 3494#endif
e1caacb4 3495#endif
8d063cd8 3496
0c30d9ec 3497#ifndef Perl_debug_log
bf49b057
GS		 3498# define Perl_debug_log PerlIO_stderr()
3499#endif
3500
3501#ifndef Perl_error_log
3502# define Perl_error_log (PL_stderrgv \
6b78add2 3503 && isGV(PL_stderrgv) \
01bb7c6d 3504 && GvIOp(PL_stderrgv) \
42de951c 3505 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3506 ? IoOFP(GvIOp(PL_stderrgv)) \
3507 : PerlIO_stderr())
0c30d9ec 3508#endif
3967c732 3509
aea4f609
DM		 3510
3511#define DEBUG_p_FLAG 0x00000001 /* 1 */
3512#define DEBUG_s_FLAG 0x00000002 /* 2 */
3513#define DEBUG_l_FLAG 0x00000004 /* 4 */
3514#define DEBUG_t_FLAG 0x00000008 /* 8 */
3515#define DEBUG_o_FLAG 0x00000010 /* 16 */
3516#define DEBUG_c_FLAG 0x00000020 /* 32 */
3517#define DEBUG_P_FLAG 0x00000040 /* 64 */
3518#define DEBUG_m_FLAG 0x00000080 /* 128 */
3519#define DEBUG_f_FLAG 0x00000100 /* 256 */
3520#define DEBUG_r_FLAG 0x00000200 /* 512 */
3521#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3522#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3523/* U is reserved for Unofficial, exploratory hacking */
3524#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3525#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3526#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3527#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3528#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3529#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3530#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3531#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3532#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3533#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3534#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3535#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3536#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3537
3538#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3539#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3540 that something was done? */
aea4f609 3541
bd16a5f0
IZ		 3542# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3543# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3544# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3545# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3546# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3547# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3548# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3549# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3550# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3551# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3552# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3553# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3554# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3555# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3556# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3557# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3558# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3559# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3560# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3561# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3562# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3563# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3564# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3565# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3566# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3567# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3568
3967c732 3569#ifdef DEBUGGING
aea4f609 3570
bd16a5f0
IZ		 3571# define DEBUG_p_TEST DEBUG_p_TEST_
3572# define DEBUG_s_TEST DEBUG_s_TEST_
3573# define DEBUG_l_TEST DEBUG_l_TEST_
3574# define DEBUG_t_TEST DEBUG_t_TEST_
3575# define DEBUG_o_TEST DEBUG_o_TEST_
3576# define DEBUG_c_TEST DEBUG_c_TEST_
3577# define DEBUG_P_TEST DEBUG_P_TEST_
3578# define DEBUG_m_TEST DEBUG_m_TEST_
3579# define DEBUG_f_TEST DEBUG_f_TEST_
3580# define DEBUG_r_TEST DEBUG_r_TEST_
3581# define DEBUG_x_TEST DEBUG_x_TEST_
3582# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3583# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3584# define DEBUG_H_TEST DEBUG_H_TEST_
3585# define DEBUG_X_TEST DEBUG_X_TEST_
3586# define DEBUG_D_TEST DEBUG_D_TEST_
3587# define DEBUG_S_TEST DEBUG_S_TEST_
3588# define DEBUG_T_TEST DEBUG_T_TEST_
3589# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3590# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3591# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3592# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3593# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3594# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC		 3595# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3596# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3597
488b0c7a
JH		 3598# define PERL_DEB(a) a
3599# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3600# define DEBUG_p(a) if (DEBUG_p_TEST) a
3601# define DEBUG_s(a) if (DEBUG_s_TEST) a
3602# define DEBUG_l(a) if (DEBUG_l_TEST) a
3603# define DEBUG_t(a) if (DEBUG_t_TEST) a
3604# define DEBUG_o(a) if (DEBUG_o_TEST) a
3605# define DEBUG_c(a) if (DEBUG_c_TEST) a
3606# define DEBUG_P(a) if (DEBUG_P_TEST) a
3607
969058bb
VK		 3608 /* Temporarily turn off memory debugging in case the a
3609 * does memory allocation, either directly or indirectly. */
acfe0abc 3610# define DEBUG_m(a) \
0b250b9e 3611 STMT_START { \
aea4f609 3612 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3613 } STMT_END
aea4f609 3614
5f80b19c
AMS		 3615# define DEBUG__(t, a) \
3616 STMT_START { \
3617 if (t) STMT_START {a;} STMT_END; \
3618 } STMT_END
3619
3620# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3621#ifndef PERL_EXT_RE_BUILD
5f80b19c 3622# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3623#else
3624# define DEBUG_r(a) STMT_START {a;} STMT_END
3625#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3626# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3627# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3628# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3629# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3630# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3631# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3632# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3633# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3634
3db8f154 3635# define DEBUG_S(a)
aea4f609 3636
5f80b19c
AMS		 3637# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3638# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3639# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3640# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3641# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3642# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3643
3644#else /* DEBUGGING */
3645
3646# define DEBUG_p_TEST (0)
3647# define DEBUG_s_TEST (0)
3648# define DEBUG_l_TEST (0)
3649# define DEBUG_t_TEST (0)
3650# define DEBUG_o_TEST (0)
3651# define DEBUG_c_TEST (0)
3652# define DEBUG_P_TEST (0)
3653# define DEBUG_m_TEST (0)
3654# define DEBUG_f_TEST (0)
3655# define DEBUG_r_TEST (0)
3656# define DEBUG_x_TEST (0)
3657# define DEBUG_u_TEST (0)
88d2d28a 3658# define DEBUG_U_TEST (0)
aea4f609
DM		 3659# define DEBUG_H_TEST (0)
3660# define DEBUG_X_TEST (0)
3661# define DEBUG_D_TEST (0)
3662# define DEBUG_S_TEST (0)
3663# define DEBUG_T_TEST (0)
04932ac8 3664# define DEBUG_R_TEST (0)
1045810a 3665# define DEBUG_J_TEST (0)
d6721266 3666# define DEBUG_v_TEST (0)
46187eeb 3667# define DEBUG_C_TEST (0)
ecae49c0
NC		 3668# define DEBUG_A_TEST (0)
3669# define DEBUG_q_TEST (0)
7949c6f5
JC		 3670# define DEBUG_Xv_TEST (0)
3671# define DEBUG_Uv_TEST (0)
aea4f609 3672
488b0c7a
JH		 3673# define PERL_DEB(a)
3674# define PERL_DEBUG(a)
aea4f609
DM		 3675# define DEBUG_p(a)
3676# define DEBUG_s(a)
3677# define DEBUG_l(a)
3678# define DEBUG_t(a)
3679# define DEBUG_o(a)
3680# define DEBUG_c(a)
3681# define DEBUG_P(a)
3682# define DEBUG_m(a)
3683# define DEBUG_f(a)
3684# define DEBUG_r(a)
3685# define DEBUG_x(a)
3686# define DEBUG_u(a)
88d2d28a 3687# define DEBUG_U(a)
aea4f609
DM		 3688# define DEBUG_H(a)
3689# define DEBUG_X(a)
3690# define DEBUG_D(a)
3691# define DEBUG_S(a)
3692# define DEBUG_T(a)
04932ac8 3693# define DEBUG_R(a)
d6721266 3694# define DEBUG_v(a)
46187eeb 3695# define DEBUG_C(a)
ecae49c0
NC		 3696# define DEBUG_A(a)
3697# define DEBUG_q(a)
7949c6f5
JC		 3698# define DEBUG_Xv(a)
3699# define DEBUG_Uv(a)
aea4f609
DM		 3700#endif /* DEBUGGING */
3701
3702
b4ab917c
DM		 3703#define DEBUG_SCOPE(where) \
3704 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3705 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3706
3707
3708
3709
d1be9408 3710/* These constants should be used in preference to raw characters
14befaf4
DM		 3711 * when using magic. Note that some perl guts still assume
3712 * certain character properties of these constants, namely that
3713 * isUPPER() and toLOWER() may do useful mappings.
3714 *
3715 * Update the magic_names table in dump.c when adding/amending these
3716 */
3717
3718#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3719#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3720#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3721#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3722#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3723#define PERL_MAGIC_regdata 'D' /* Regex match position data
3724 (@+ and @- vars) */
3725#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3726#define PERL_MAGIC_env 'E' /* %ENV hash */
3727#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3728#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3729#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3730#define PERL_MAGIC_hints 'H' /* %^H hash */
3731#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3732#define PERL_MAGIC_isa 'I' /* @ISA array */
3733#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3734#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3735#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3736#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3737#define PERL_MAGIC_shared 'N' /* Shared between threads */
3738#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3739#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3740#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3741#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3742#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3743#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3744#define PERL_MAGIC_sig 'S' /* %SIG hash */
3745#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3746#define PERL_MAGIC_taint 't' /* Taintedness */
3747#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3748#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3749#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3750#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3751#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3752#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3753#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3754 smart parameter vivification */
14befaf4
DM		 3755#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3756#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3757#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3758#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3759#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3760#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3761#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3762
de84dc04
NC		 3763#if defined(DEBUGGING) && defined(I_ASSERT)
3764# include <assert.h>
3765#endif
3766
3767/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3768 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3769
de84dc04 3770#define Perl_assert(what) PERL_DEB( \
2b057284 3771 ((what) ? ((void) 0) : \
67eb4d30 3772 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3773 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3774 (void) 0)))
de84dc04
NC		 3775
3776#ifndef assert
3777# define assert(what) Perl_assert(what)
a446a88f 3778#endif
8d063cd8 3779
450a55e4 3780struct ufuncs {
24f81a43
DM		 3781 I32 (*uf_val)(pTHX_ IV, SV*);
3782 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3783 IV uf_index;
450a55e4
LW		 3784};
3785
14befaf4 3786/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3787 * XS code wanting to be backward compatible can do something
3788 * like the following:
c745e42c 3789