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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
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
cf5a8da6
MHM		 130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
17a6c8e3
AD		 143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
27da23d5
JH		 155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
894356b3
GS		 197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
AL		 200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
AL		 202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
e8dda941
JD		 205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 210#endif
211
76e3520e 212#define STATIC static
16c91539
BM		 213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
1d583055
GS		 224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
f8149455
YO		 245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
f8149455
YO		 295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
a20207d7
YO		 304
305
5ba4cab2
SH		 306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
349b520e
DM		 334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 344# endif
345#endif
53c1dcc0
AL		 346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
96a5add6
AL		 350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
64a8239e 362#define dNOOP extern int Perl___notused(void)
71be2cbc 363
0cb96387 364#ifndef pTHX
e8dda941
JD		 365/* Don't bother defining tTHX and sTHX; using them outside
366 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
367 */
0cb96387
GS		 368# define pTHX void
369# define pTHX_
0cb96387
GS		 370# define aTHX
371# define aTHX_
0cb96387
GS		 372# define dTHXa(a) dNOOP
373# define dTHX dNOOP
894356b3
GS		 374# define pTHX_1 1
375# define pTHX_2 2
376# define pTHX_3 3
377# define pTHX_4 4
3d42dc86
RGS		 378# define pTHX_5 5
379# define pTHX_6 6
a3b680e6
AL		 380# define pTHX_7 7
381# define pTHX_8 8
382# define pTHX_9 9
0cb96387
GS		 383#endif
384
27da23d5
JH		 385#ifndef dVAR
386# define dVAR dNOOP
387#endif
388
b4f7f263
GS		 389/* these are only defined for compatibility; should not be used internally */
390#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 391# define pTHXo pTHX
392# define pTHXo_ pTHX_
0cb96387
GS		 393# define aTHXo aTHX
394# define aTHXo_ aTHX_
c5be433b 395# define dTHXo dTHX
71d280e3 396# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 397#endif
398
399#ifndef pTHXx
400# define pTHXx register PerlInterpreter *my_perl
401# define pTHXx_ pTHXx,
0cb96387
GS		 402# define aTHXx my_perl
403# define aTHXx_ aTHXx,
c5be433b 404# define dTHXx dTHX
22c35a8c 405#endif
71be2cbc 406
1de7c2ac
GS		 407/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
410#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
412# define dTHXs dVAR; dTHX
413# else
414# define dTHXs dTHX
415# endif
1de7c2ac 416#else
27da23d5
JH		 417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR
419# else
420# define dTHXs dNOOP
421# endif
1de7c2ac
GS		 422#endif
423
27da23d5
JH		 424/* Some platforms require marking function declarations
425 * for them to be exportable. Used in perlio.h, proto.h
426 * is handled either by the makedef.pl or by defining the
427 * PERL_CALLCONV to be something special. See also the
428 * definition of XS() in XSUB.h. */
429#ifndef PERL_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_EXPORT_C extern "C"
432# else
433# define PERL_EXPORT_C extern
434# endif
27da23d5
JH		 435#endif
436#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 437# ifdef __cplusplus
438# define PERL_XS_EXPORT_C extern "C"
439# else
440# define PERL_XS_EXPORT_C
441# endif
27da23d5
JH		 442#endif
443
462e5cf6
MB		 444#ifdef OP_IN_REGISTER
445# ifdef __GNUC__
446# define stringify_immed(s) #s
447# define stringify(s) stringify_immed(s)
d1ca3daa 448register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 449# endif
450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB		 454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
5dc8bdac
JH		 463#endif
464
5b692037
JH		 465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803 471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 481# define STMT_END )
482# else
483 /* Now which other defined()s do we need here ??? */
93189314 484# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 485# define STMT_START if (1)
486# define STMT_END else (void)0
487# else
488# define STMT_START do
489# define STMT_END while (0)
490# endif
491# endif
492#endif
493
d6f9c181
JH		 494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW		 496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH		 503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW		 509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW		 534#endif
535
3280af22
NIS		 536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
20be6587
DM		 542/* flags used internally only within pp_subst and pp_substcont */
543#ifdef PERL_CORE
544# define SUBST_TAINT_STR 1 /* string tainted */
545# define SUBST_TAINT_PAT 2 /* pattern tainted */
546# define SUBST_TAINT_REPL 4 /* replacement tainted */
547# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
548# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
549#endif
550
d460ef45 551/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 552 defines move there? If so, I could simplify this a lot. --AD 9/96.
553*/
554/* Process group stuff changed from traditional BSD to POSIX.
555 perlfunc.pod documents the traditional BSD-style syntax, so we'll
556 try to preserve that, if possible.
557*/
558#ifdef HAS_SETPGID
559# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 560#else
a6e633de 561# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
562# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
563# else
564# ifdef HAS_SETPGRP2 /* DG/UX */
565# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
566# endif
567# endif
568#endif
569#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
570# define HAS_SETPGRP /* Well, effectively it does . . . */
571#endif
572
573/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
574 our life easier :-) so we'll try it.
575*/
576#ifdef HAS_GETPGID
577# define BSD_GETPGRP(pid) getpgid((pid))
578#else
579# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
580# define BSD_GETPGRP(pid) getpgrp((pid))
581# else
582# ifdef HAS_GETPGRP2 /* DG/UX */
583# define BSD_GETPGRP(pid) getpgrp2((pid))
584# endif
585# endif
586#endif
587#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
588# define HAS_GETPGRP /* Well, effectively it does . . . */
589#endif
590
d460ef45 591/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 592 have different behaviors, but perl.h used to define USE_BSDPGRP
593 (prior to 5.003_05) so some extension might depend on it.
594*/
595#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
596# ifndef USE_BSDPGRP
597# define USE_BSDPGRP
598# endif
663a0e37
LW		 599#endif
600
486ec47a 601/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 602 pthread.h must be included before all other header files.
603*/
3db8f154 604#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 605# include <pthread.h>
606#endif
607
760ac839
LW		 608#ifndef _TYPES_ /* If types.h defines this it's easy. */
609# ifndef major /* Does everyone's types.h define this? */
610# include <sys/types.h>
c07a80fd 611# endif
663a0e37
LW		 612#endif
613
760ac839
LW		 614#ifdef __cplusplus
615# ifndef I_STDARG
616# define I_STDARG 1
617# endif
618#endif
619
620#ifdef I_STDARG
621# include <stdarg.h>
622#else
623# ifdef I_VARARGS
624# include <varargs.h>
625# endif
626#endif
627
4633a7c4 628#ifdef USE_NEXT_CTYPE
0c30d9ec 629
092bebab
JH		 630#if NX_CURRENT_COMPILER_RELEASE >= 500
631# include <bsd/ctypes.h>
632#else
633# if NX_CURRENT_COMPILER_RELEASE >= 400
634# include <objc/NXCType.h>
635# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
636# include <appkit/NXCType.h>
637# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
638#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 639
640#else /* !USE_NEXT_CTYPE */
fe14fcc3 641#include <ctype.h>
0c30d9ec 642#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 643
644#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
645#undef METHOD
a0d0e21e
LW		 646#endif
647
12ae5dfc
JH		 648#ifdef PERL_MICRO
649# define NO_LOCALE
650#endif
651
4633a7c4 652#ifdef I_LOCALE
36477c24 653# include <locale.h>
4633a7c4
LW		 654#endif
655
36477c24 656#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
657# define USE_LOCALE
658# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
659 && defined(HAS_STRXFRM)
660# define USE_LOCALE_COLLATE
661# endif
662# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
663# define USE_LOCALE_CTYPE
664# endif
665# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
666# define USE_LOCALE_NUMERIC
667# endif
668#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 669
fe14fcc3 670#include <setjmp.h>
79072805 671
a0d0e21e 672#ifdef I_SYS_PARAM
79072805
LW		 673# ifdef PARAM_NEEDS_TYPES
674# include <sys/types.h>
675# endif
676# include <sys/param.h>
352d5a3a 677#endif
79072805 678
79072805 679/* Use all the "standard" definitions? */
a0d0e21e 680#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 681# include <stdlib.h>
ff68c719 682#endif
03a14243 683
3f270f98
JH		 684/* If this causes problems, set i_unistd=undef in the hint file. */
685#ifdef I_UNISTD
686# include <unistd.h>
687#endif
688
de8ca8af
NT		 689/* for WCOREDUMP */
690#ifdef I_SYS_WAIT
691# include <sys/wait.h>
692#endif
693
9969cdde 694#ifdef __SYMBIAN32__
27da23d5
JH		 695# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
696#endif
697
7114a2d2 698#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 699EXTERN_C int syscall(int, ...);
2ef53570
JH		 700#endif
701
7114a2d2 702#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int usleep(unsigned int);
2ef53570
JH		 704#endif
705
9c12f1e5
RGS		 706/* Funky places that do not have socket stuff. */
707#if defined(__LIBCATAMOUNT__)
708# define MYSWAP
709#endif
710
9a34ef1d
GS		 711#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
712# define MYSWAP
713#endif
714
1109a392
MHM		 715#ifdef PERL_CORE
716
717/* macros for correct constant construction */
718# if INTSIZE >= 2
719# define U16_CONST(x) ((U16)x##U)
720# else
721# define U16_CONST(x) ((U16)x##UL)
722# endif
723
724# if INTSIZE >= 4
725# define U32_CONST(x) ((U32)x##U)
726# else
727# define U32_CONST(x) ((U32)x##UL)
728# endif
729
730# ifdef HAS_QUAD
731# if INTSIZE >= 8
732# define U64_CONST(x) ((U64)x##U)
733# elif LONGSIZE >= 8
734# define U64_CONST(x) ((U64)x##UL)
735# elif QUADKIND == QUAD_IS_LONG_LONG
736# define U64_CONST(x) ((U64)x##ULL)
737# else /* best guess we can make */
738# define U64_CONST(x) ((U64)x##UL)
739# endif
740# endif
741
742/* byte-swapping functions for big-/little-endian conversion */
743# define _swab_16_(x) ((U16)( \
744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
745 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
746
747# define _swab_32_(x) ((U32)( \
748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
752
753# ifdef HAS_QUAD
754# define _swab_64_(x) ((U64)( \
755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
763# endif
764
765/*----------------------------------------------------------------------------*/
766# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htole16(x) (x)
769# define my_letoh16(x) (x)
770# define my_htole32(x) (x)
771# define my_letoh32(x) (x)
772# define my_htobe16(x) _swab_16_(x)
773# define my_betoh16(x) _swab_16_(x)
774# define my_htobe32(x) _swab_32_(x)
775# define my_betoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htole64(x) (x)
778# define my_letoh64(x) (x)
779# define my_htobe64(x) _swab_64_(x)
780# define my_betoh64(x) _swab_64_(x)
781# endif
782# define my_htoles(x) (x)
783# define my_letohs(x) (x)
784# define my_htolei(x) (x)
785# define my_letohi(x) (x)
786# define my_htolel(x) (x)
787# define my_letohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htobes(x) _swab_16_(x)
793# define my_betohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htobes(x) _swab_32_(x)
796# define my_betohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htobes(x) _swab_64_(x)
799# define my_betohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBES
802# define PERL_NEED_MY_BETOHS
803# endif
804# if INTSIZE == 1
805# define my_htobei(x) (x)
806# define my_betohi(x) (x)
807# elif INTSIZE == 2
808# define my_htobei(x) _swab_16_(x)
809# define my_betohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htobei(x) _swab_32_(x)
812# define my_betohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htobei(x) _swab_64_(x)
815# define my_betohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htobel(x) (x)
822# define my_betohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htobel(x) _swab_16_(x)
825# define my_betohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htobel(x) _swab_32_(x)
828# define my_betohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htobel(x) _swab_64_(x)
831# define my_betohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOBEL
834# define PERL_NEED_MY_BETOHL
835# endif
836# define my_htolen(p,n) NOOP
837# define my_letohn(p,n) NOOP
838# define my_htoben(p,n) my_swabn(p,n)
839# define my_betohn(p,n) my_swabn(p,n)
840/*----------------------------------------------------------------------------*/
841# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
842/*----------------------------------------------------------------------------*/
843# define my_htobe16(x) (x)
844# define my_betoh16(x) (x)
845# define my_htobe32(x) (x)
846# define my_betoh32(x) (x)
847# define my_htole16(x) _swab_16_(x)
848# define my_letoh16(x) _swab_16_(x)
849# define my_htole32(x) _swab_32_(x)
850# define my_letoh32(x) _swab_32_(x)
851# ifdef HAS_QUAD
852# define my_htobe64(x) (x)
853# define my_betoh64(x) (x)
854# define my_htole64(x) _swab_64_(x)
855# define my_letoh64(x) _swab_64_(x)
856# endif
857# define my_htobes(x) (x)
858# define my_betohs(x) (x)
859# define my_htobei(x) (x)
860# define my_betohi(x) (x)
861# define my_htobel(x) (x)
862# define my_betohl(x) (x)
863# if SHORTSIZE == 1
864# define my_htoles(x) (x)
865# define my_letohs(x) (x)
866# elif SHORTSIZE == 2
867# define my_htoles(x) _swab_16_(x)
868# define my_letohs(x) _swab_16_(x)
869# elif SHORTSIZE == 4
870# define my_htoles(x) _swab_32_(x)
871# define my_letohs(x) _swab_32_(x)
872# elif SHORTSIZE == 8
873# define my_htoles(x) _swab_64_(x)
874# define my_letohs(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLES
877# define PERL_NEED_MY_LETOHS
878# endif
879# if INTSIZE == 1
880# define my_htolei(x) (x)
881# define my_letohi(x) (x)
882# elif INTSIZE == 2
883# define my_htolei(x) _swab_16_(x)
884# define my_letohi(x) _swab_16_(x)
885# elif INTSIZE == 4
886# define my_htolei(x) _swab_32_(x)
887# define my_letohi(x) _swab_32_(x)
888# elif INTSIZE == 8
889# define my_htolei(x) _swab_64_(x)
890# define my_letohi(x) _swab_64_(x)
891# else
892# define PERL_NEED_MY_HTOLEI
893# define PERL_NEED_MY_LETOHI
894# endif
895# if LONGSIZE == 1
896# define my_htolel(x) (x)
897# define my_letohl(x) (x)
898# elif LONGSIZE == 2
899# define my_htolel(x) _swab_16_(x)
900# define my_letohl(x) _swab_16_(x)
901# elif LONGSIZE == 4
902# define my_htolel(x) _swab_32_(x)
903# define my_letohl(x) _swab_32_(x)
904# elif LONGSIZE == 8
905# define my_htolel(x) _swab_64_(x)
906# define my_letohl(x) _swab_64_(x)
907# else
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# endif
911# define my_htolen(p,n) my_swabn(p,n)
912# define my_letohn(p,n) my_swabn(p,n)
913# define my_htoben(p,n) NOOP
914# define my_betohn(p,n) NOOP
915/*----------------------------------------------------------------------------*/
916# else /* all other byte-orders */
917/*----------------------------------------------------------------------------*/
918# define PERL_NEED_MY_HTOLE16
919# define PERL_NEED_MY_LETOH16
920# define PERL_NEED_MY_HTOBE16
921# define PERL_NEED_MY_BETOH16
922# define PERL_NEED_MY_HTOLE32
923# define PERL_NEED_MY_LETOH32
924# define PERL_NEED_MY_HTOBE32
925# define PERL_NEED_MY_BETOH32
926# ifdef HAS_QUAD
927# define PERL_NEED_MY_HTOLE64
928# define PERL_NEED_MY_LETOH64
929# define PERL_NEED_MY_HTOBE64
930# define PERL_NEED_MY_BETOH64
931# endif
932# define PERL_NEED_MY_HTOLES
933# define PERL_NEED_MY_LETOHS
934# define PERL_NEED_MY_HTOBES
935# define PERL_NEED_MY_BETOHS
936# define PERL_NEED_MY_HTOLEI
937# define PERL_NEED_MY_LETOHI
938# define PERL_NEED_MY_HTOBEI
939# define PERL_NEED_MY_BETOHI
940# define PERL_NEED_MY_HTOLEL
941# define PERL_NEED_MY_LETOHL
942# define PERL_NEED_MY_HTOBEL
943# define PERL_NEED_MY_BETOHL
944/*----------------------------------------------------------------------------*/
945# endif /* end of byte-order macros */
946/*----------------------------------------------------------------------------*/
947
9c17f24a
NC		 948/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
949 at least on FreeBSD. YMMV, so experiment. */
950#ifndef PERL_ARENA_SIZE
951#define PERL_ARENA_SIZE 4080
952#endif
953
ccb2c8b8 954/* Maximum level of recursion */
2b9dff67
RGS		 955#ifndef PERL_SUB_DEPTH_WARN
956#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 957#endif
958
1109a392
MHM		 959#endif /* PERL_CORE */
960
bdf3085f
NC		 961/* We no longer default to creating a new SV for GvSV.
962 Do this before embed. */
963#ifndef PERL_CREATE_GVSV
7459f06b
NC		 964# ifndef PERL_DONT_CREATE_GVSV
965# define PERL_DONT_CREATE_GVSV
966# endif
bdf3085f
NC		 967#endif
968
ca0c25f6
NC		 969#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
970#define PERL_USES_PL_PIDSTATUS
971#endif
972
e37778c2 973#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 974#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
975#endif
976
c31fac66
GS		 977#define MEM_SIZE Size_t
978
1936d2a7
NC		 979/* Round all values passed to malloc up, by default to a multiple of
980 sizeof(size_t)
981*/
982#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
983#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
984#endif
985
f1200559
WH		 986/* sv_grow() will expand strings by at least a certain percentage of
987 the previously *used* length to avoid excessive calls to realloc().
988 The default is 25% of the current length.
989*/
990#ifndef PERL_STRLEN_EXPAND_SHIFT
991# define PERL_STRLEN_EXPAND_SHIFT 2
992#endif
993
51371543
GS		 994#if defined(STANDARD_C) && defined(I_STDDEF)
995# include <stddef.h>
996# define STRUCT_OFFSET(s,m) offsetof(s,m)
997#else
998# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
999#endif
1000
9969cdde 1001#ifndef __SYMBIAN32__
27da23d5
JH		 1002# if defined(I_STRING) || defined(__cplusplus)
1003# include <string.h>
1004# else
1005# include <strings.h>
1006# endif
51371543
GS		 1007#endif
1008
55497cff 1009/* This comes after <stdlib.h> so we don't try to change the standard
1010 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1011
4633a7c4 1012#ifdef MYMALLOC
86058a2d 1013# ifdef PERL_POLLUTE_MALLOC
ee13e175 1014# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1015# define Perl_malloc malloc
1016# define Perl_calloc calloc
1017# define Perl_realloc realloc
1018# define Perl_mfree free
ee13e175 1019# endif
86058a2d
GS		 1020# else
1021# define EMBEDMYMALLOC /* for compatibility */
1022# endif
827e134a 1023
651b9576
GS		 1024# define safemalloc Perl_malloc
1025# define safecalloc Perl_calloc
1026# define saferealloc Perl_realloc
1027# define safefree Perl_mfree
22f7c9c9
JH		 1028# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1029 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1030 code; \
1031 } STMT_END
1032# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1033 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1034# define panic_write2(s) write(2, s, strlen(s))
1035# define CHECK_MALLOC_TAINT(newval) \
1036 CHECK_MALLOC_TOO_LATE_FOR_( \
1037 if (newval) { \
1038 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1039 exit(1); })
22f7c9c9 1040# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1041 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1042 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1043 }} STMT_END;
f2517201
GS		 1044#else /* MYMALLOC */
1045# define safemalloc safesysmalloc
1046# define safecalloc safesyscalloc
1047# define saferealloc safesysrealloc
1048# define safefree safesysfree
22f7c9c9
JH		 1049# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1050# define CHECK_MALLOC_TAINT(newval) ((void)0)
1051# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1052#endif /* MYMALLOC */
4633a7c4 1053
fe13d51d 1054/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1055#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		 1056#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1057#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1058#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1059
a0d0e21e
LW		 1060#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1061#define strchr index
1062#define strrchr rindex
1063#endif
1064
16d20bd9
AD		 1065#ifdef I_MEMORY
1066# include <memory.h>
1067#endif
1068
fe14fcc3 1069#ifdef HAS_MEMCPY
85e6fe83 1070# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1071# ifndef memcpy
20ce7b12 1072 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1073# endif
1074# endif
1075#else
1076# ifndef memcpy
1077# ifdef HAS_BCOPY
1078# define memcpy(d,s,l) bcopy(s,d,l)
1079# else
1080# define memcpy(d,s,l) my_bcopy(s,d,l)
1081# endif
1082# endif
1083#endif /* HAS_MEMCPY */
fe14fcc3 1084
ee0007ab 1085#ifdef HAS_MEMSET
85e6fe83 1086# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1087# ifndef memset
20ce7b12 1088 extern char *memset (char*, int, int);
ee0007ab
LW		 1089# endif
1090# endif
ee0007ab 1091#else
12ae5dfc 1092# undef memset
fc36a67e 1093# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1094#endif /* HAS_MEMSET */
1095
85e6fe83 1096#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1097# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1098# define memmove(d,s,l) bcopy(s,d,l)
1099# else
2304df62 1100# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1101# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1102# else
79072805 1103# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1104# endif
352d5a3a 1105# endif
d9d8d8de 1106#endif
ee0007ab 1107
36477c24 1108#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1109# undef HAS_MEMCMP
1110#endif
1111
1112#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1113# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1114# ifndef memcmp
20ce7b12 1115 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1116# endif
1117# endif
36477c24 1118# ifdef BUGGY_MSC
7e4e8c89 1119# pragma function(memcmp)
36477c24 1120# endif
ee0007ab
LW		 1121#else
1122# ifndef memcmp
ecfc5424 1123# define memcmp my_memcmp
352d5a3a 1124# endif
36477c24 1125#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1126
fc36a67e 1127#ifndef memzero
c635e13b 1128# ifdef HAS_MEMSET
1129# define memzero(d,l) memset(d,0,l)
79072805 1130# else
c635e13b 1131# ifdef HAS_BZERO
1132# define memzero(d,l) bzero(d,l)
79072805 1133# else
fc36a67e 1134# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1135# endif
1136# endif
d9d8d8de 1137#endif
378cc40b 1138
2f42fcb0 1139#ifndef PERL_MICRO
0f27ced1
JH		 1140#ifndef memchr
1141# ifndef HAS_MEMCHR
1142# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1143# endif
1144#endif
2f42fcb0 1145#endif
0f27ced1 1146
36477c24 1147#ifndef HAS_BCMP
1148# ifndef bcmp
1149# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1150# endif
36477c24 1151#endif /* !HAS_BCMP */
378cc40b 1152
ae986130 1153#ifdef I_NETINET_IN
79072805 1154# include <netinet/in.h>
ae986130
LW		 1155#endif
1156
28e8609d
JH		 1157#ifdef I_ARPA_INET
1158# include <arpa/inet.h>
1159#endif
1160
84902520
TB		 1161#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1162/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1163 * (the neo-BSD seem to do this). */
1164# undef SF_APPEND
1165#endif
1166
1aef975c 1167#ifdef I_SYS_STAT
84902520 1168# include <sys/stat.h>
1aef975c 1169#endif
79072805 1170
287a962e
JD		 1171/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1172 This definition should ideally go into win32/win32.h, but S_IFIFO is
1173 used later here in perl.h before win32/win32.h is being included. */
1174#if !defined(S_IFIFO) && defined(_S_IFIFO)
1175# define S_IFIFO _S_IFIFO
1176#endif
1177
a0d0e21e
LW		 1178/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1179 like UTekV) are broken, sometimes giving false positives. Undefine
1180 them here and let the code below set them to proper values.
1181
1182 The ghs macro stands for GreenHills Software C-1.8.5 which
1183 is the C compiler for sysV88 and the various derivatives.
1184 This header file bug is corrected in gcc-2.5.8 and later versions.
1185 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1186
1187#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1188# undef S_ISDIR
1189# undef S_ISCHR
1190# undef S_ISBLK
1191# undef S_ISREG
1192# undef S_ISFIFO
1193# undef S_ISLNK
ee0007ab 1194#endif
135863df 1195
663a0e37
LW		 1196#ifdef I_TIME
1197# include <time.h>
ffed7fef 1198#endif
663a0e37 1199
fe14fcc3 1200#ifdef I_SYS_TIME
85e6fe83 1201# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1202# define KERNEL
1203# endif
1204# include <sys/time.h>
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1206# undef KERNEL
1207# endif
a687059c 1208#endif
135863df 1209
55497cff 1210#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1211# include <sys/times.h>
d9d8d8de 1212#endif
8d063cd8 1213
fe14fcc3 1214#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1215# undef HAS_STRERROR
663a0e37
LW		 1216#endif
1217
1218#include <errno.h>
1e743fda 1219
acfe0abc 1220#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1221# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1222#endif
1223
8cfab5ff 1224/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1225 * This is important for using IPv6.
8cfab5ff
JH		 1226 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1227 * a bad idea since it breaks send() and recv(). */
1228#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1229# define _SOCKADDR_LEN
1230#endif
1231
da70cfc6 1232#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1233# include <sys/socket.h>
1234# if defined(USE_SOCKS) && defined(I_SOCKS)
1235# if !defined(INCLUDE_PROTOTYPES)
1236# define INCLUDE_PROTOTYPES /* for <socks.h> */
1237# define PERL_SOCKS_NEED_PROTOTYPES
1238# endif
1239# include <socks.h>
1240# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1241# undef INCLUDE_PROTOTYPES
1242# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1243# endif
d460ef45 1244# endif
1e743fda 1245# ifdef I_NETDB
2986a63f
JH		 1246# ifdef NETWARE
1247# include<stdio.h>
1248# endif
1e743fda
JH		 1249# include <netdb.h>
1250# endif
1251# ifndef ENOTSOCK
1252# ifdef I_NET_ERRNO
1253# include <net/errno.h>
1254# endif
1255# endif
1256#endif
1257
fa0a29af 1258/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1259 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1260 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1261#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1262# if defined(__THROW) && defined(__GLIBC__)
1263int sockatmark(int) __THROW;
1264# else
2ef53570 1265int sockatmark(int);
29820b6d 1266# endif
2ef53570
JH		 1267#endif
1268
7e827271 1269#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		 1270EXTERN_C int fchdir(int);
1271EXTERN_C int flock(int, int);
1272EXTERN_C int fseeko(FILE *, off_t, int);
1273EXTERN_C off_t ftello(FILE *);
1274#endif
1275
7e827271 1276#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1277EXTERN_C char *crypt(const char *, const char *);
7e827271 1278EXTERN_C char **environ;
1ccb7c8d
JH		 1279#endif
1280
83a6ff2e 1281#if defined(__cplusplus)
944c4fda 1282# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1283EXTERN_C char **environ;
83a6ff2e 1284# elif defined(__CYGWIN__)
667e2948
SP		 1285EXTERN_C char *crypt(const char *, const char *);
1286#endif
83a6ff2e 1287#endif
667e2948 1288
1e743fda
JH		 1289#ifdef SETERRNO
1290# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1291#endif
f86702cc 1292
1293#ifdef VMS
1294# define SETERRNO(errcode,vmserrcode) \
1295 STMT_START { \
1296 set_errno(errcode); \
1297 set_vaxc_errno(vmserrcode); \
1298 } STMT_END
4ee39169
CS		 1299# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1300# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1301# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1302# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1303
93189314
JH		 1304# define LIB_INVARG LIB$_INVARG
1305# define RMS_DIR RMS$_DIR
1306# define RMS_FAC RMS$_FAC
1307# define RMS_FEX RMS$_FEX
1308# define RMS_FNF RMS$_FNF
1309# define RMS_IFI RMS$_IFI
1310# define RMS_ISI RMS$_ISI
1311# define RMS_PRV RMS$_PRV
1312# define SS_ACCVIO SS$_ACCVIO
1313# define SS_DEVOFFLINE SS$_DEVOFFLINE
1314# define SS_IVCHAN SS$_IVCHAN
1315# define SS_NORMAL SS$_NORMAL
748a9306 1316#else
aba27d88 1317# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1318# define dSAVEDERRNO int saved_errno
1319# define dSAVE_ERRNO int saved_errno = errno
1320# define SAVE_ERRNO (saved_errno = errno)
1321# define RESTORE_ERRNO (errno = saved_errno)
1322
93189314
JH		 1323# define LIB_INVARG 0
1324# define RMS_DIR 0
1325# define RMS_FAC 0
1326# define RMS_FEX 0
1327# define RMS_FNF 0
1328# define RMS_IFI 0
1329# define RMS_ISI 0
1330# define RMS_PRV 0
1331# define SS_ACCVIO 0
1332# define SS_DEVOFFLINE 0
1333# define SS_IVCHAN 0
1334# define SS_NORMAL 0
748a9306 1335#endif
ed6116ce 1336
f5fa9033 1337#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1338
1339#define CLEAR_ERRSV() STMT_START { \
1340 if (!GvSV(PL_errgv)) { \
1341 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1342 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1343 SvREFCNT_dec(GvSV(PL_errgv)); \
1344 GvSV(PL_errgv) = newSVpvs(""); \
1345 } else { \
1346 SV *const errsv = GvSV(PL_errgv); \
1347 sv_setpvs(errsv, ""); \
1348 if (SvMAGICAL(errsv)) { \
1349 mg_free(errsv); \
1350 } \
1351 SvPOK_only(errsv); \
1352 } \
1353 } STMT_END
1354
1355
414bf5ae
MHM		 1356#ifdef PERL_CORE
1357# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1358# define DEFSV_set(sv) \
1359 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1360# define SAVE_DEFSV \
1361 ( \
1362 save_gp(PL_defgv, 0), \
1363 GvINTRO_off(PL_defgv), \
1364 SAVEGENERICSV(GvSV(PL_defgv)), \
1365 GvSV(PL_defgv) = NULL \
1366 )
414bf5ae
MHM		 1367#else
1368# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1369# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1370# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1371#endif
38a03e6e 1372
98eae8f5
GS		 1373#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1374
55497cff 1375#ifndef errno
5ff3f7a4
GS		 1376 extern int errno; /* ANSI allows errno to be an lvalue expr.
1377 * For example in multithreaded environments
1378 * something like this might happen:
1379 * extern int *_errno(void);
1380 * #define errno (*_errno()) */
d9d8d8de 1381#endif
663a0e37 1382
2304df62 1383#ifdef HAS_STRERROR
a0d0e21e 1384# ifdef VMS
20ce7b12 1385 char *strerror (int,...);
a0d0e21e 1386# else
68dc0745 1387#ifndef DONT_DECLARE_STD
20ce7b12 1388 char *strerror (int);
68dc0745 1389#endif
a0d0e21e 1390# endif
2304df62
AD		 1391# ifndef Strerror
1392# define Strerror strerror
1393# endif
1394#else
1395# ifdef HAS_SYS_ERRLIST
79072805
LW		 1396 extern int sys_nerr;
1397 extern char *sys_errlist[];
2304df62
AD		 1398# ifndef Strerror
1399# define Strerror(e) \
79072805 1400 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1401# endif
79072805 1402# endif
35c8bce7 1403#endif
663a0e37 1404
2304df62 1405#ifdef I_SYS_IOCTL
79072805
LW		 1406# ifndef _IOCTL_
1407# include <sys/ioctl.h>
1408# endif
a687059c
LW		 1409#endif
1410
ee0007ab 1411#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1412# ifdef HAS_SOCKETPAIR
1413# undef HAS_SOCKETPAIR
1414# endif
2304df62
AD		 1415# ifdef I_NDBM
1416# undef I_NDBM
79072805 1417# endif
a687059c
LW		 1418#endif
1419
02fc2eee
NC		 1420#ifndef HAS_SOCKETPAIR
1421# ifdef HAS_SOCKET
1422# define socketpair Perl_my_socketpair
1423# endif
1424#endif
1425
a687059c 1426#if INTSIZE == 2
79072805
LW		 1427# define htoni htons
1428# define ntohi ntohs
a687059c 1429#else
79072805
LW		 1430# define htoni htonl
1431# define ntohi ntohl
a687059c
LW		 1432#endif
1433
a0d0e21e 1434/* Configure already sets Direntry_t */
35c8bce7 1435#if defined(I_DIRENT)
663a0e37 1436# include <dirent.h>
8f1f23e8
W		 1437 /* NeXT needs dirent + sys/dir.h */
1438# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1439# include <sys/dir.h>
1440# endif
ae986130 1441#else
fe14fcc3 1442# ifdef I_SYS_NDIR
79a0689e 1443# include <sys/ndir.h>
663a0e37 1444# else
fe14fcc3 1445# ifdef I_SYS_DIR
79a0689e
LW		 1446# ifdef hp9000s500
1447# include <ndir.h> /* may be wrong in the future */
1448# else
1449# include <sys/dir.h>
1450# endif
663a0e37
LW		 1451# endif
1452# endif
4633a7c4 1453#endif
a687059c 1454
12ae5dfc
JH		 1455#ifdef PERL_MICRO
1456# ifndef DIR
1457# define DIR void
1458# endif
1459#endif
1460
352d5a3a
LW		 1461#ifdef FPUTS_BOTCH
1462/* work around botch in SunOS 4.0.1 and 4.0.2 */
1463# ifndef fputs
79072805 1464# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1465# endif
1466#endif
1467
c623bd54
LW		 1468/*
1469 * The following gobbledygook brought to you on behalf of __STDC__.
1470 * (I could just use #ifndef __STDC__, but this is more bulletproof
1471 * in the face of half-implementations.)
1472 */
1473
7114a2d2 1474#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1475#include <sys/mode.h>
1476#endif
1477
c623bd54
LW		 1478#ifndef S_IFMT
1479# ifdef _S_IFMT
1480# define S_IFMT _S_IFMT
1481# else
1482# define S_IFMT 0170000
1483# endif
1484#endif
1485
1486#ifndef S_ISDIR
1487# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1488#endif
1489
1490#ifndef S_ISCHR
1491# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1492#endif
1493
1494#ifndef S_ISBLK
fe14fcc3
LW		 1495# ifdef S_IFBLK
1496# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1497# else
1498# define S_ISBLK(m) (0)
1499# endif
c623bd54
LW		 1500#endif
1501
1502#ifndef S_ISREG
1503# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1504#endif
1505
1506#ifndef S_ISFIFO
fe14fcc3
LW		 1507# ifdef S_IFIFO
1508# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1509# else
1510# define S_ISFIFO(m) (0)
1511# endif
c623bd54
LW		 1512#endif
1513
1514#ifndef S_ISLNK
1515# ifdef _S_ISLNK
1516# define S_ISLNK(m) _S_ISLNK(m)
1517# else
1518# ifdef _S_IFLNK
1519# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1520# else
1521# ifdef S_IFLNK
1522# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1523# else
1524# define S_ISLNK(m) (0)
1525# endif
1526# endif
1527# endif
1528#endif
1529
1530#ifndef S_ISSOCK
1531# ifdef _S_ISSOCK
1532# define S_ISSOCK(m) _S_ISSOCK(m)
1533# else
1534# ifdef _S_IFSOCK
1535# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1536# else
1537# ifdef S_IFSOCK
1538# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1539# else
1540# define S_ISSOCK(m) (0)
1541# endif
1542# endif
1543# endif
1544#endif
1545
1546#ifndef S_IRUSR
1547# ifdef S_IREAD
1548# define S_IRUSR S_IREAD
1549# define S_IWUSR S_IWRITE
1550# define S_IXUSR S_IEXEC
1551# else
1552# define S_IRUSR 0400
1553# define S_IWUSR 0200
1554# define S_IXUSR 0100
1555# endif
fac7cdfc
JS		 1556#endif
1557
1558#ifndef S_IRGRP
1559# ifdef S_IRUSR
1560# define S_IRGRP (S_IRUSR>>3)
1561# define S_IWGRP (S_IWUSR>>3)
1562# define S_IXGRP (S_IXUSR>>3)
1563# else
1564# define S_IRGRP 0040
1565# define S_IWGRP 0020
1566# define S_IXGRP 0010
1567# endif
1568#endif
1569
1570#ifndef S_IROTH
1571# ifdef S_IRUSR
1572# define S_IROTH (S_IRUSR>>6)
1573# define S_IWOTH (S_IWUSR>>6)
1574# define S_IXOTH (S_IXUSR>>6)
1575# else
1576# define S_IROTH 0040
1577# define S_IWOTH 0020
1578# define S_IXOTH 0010
1579# endif
c623bd54
LW		 1580#endif
1581
1582#ifndef S_ISUID
1583# define S_ISUID 04000
1584#endif
1585
1586#ifndef S_ISGID
1587# define S_ISGID 02000
1588#endif
1589
ca6e1c26
JH		 1590#ifndef S_IRWXU
1591# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1592#endif
ca6e1c26
JH		 1593
1594#ifndef S_IRWXG
1595# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1596#endif
ca6e1c26
JH		 1597
1598#ifndef S_IRWXO
1599# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1600#endif
ca6e1c26 1601
df00ff3b 1602/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1603 * which would get included through <sys/file.h >, but that is 3000
1604 * lines in the future. --jhi */
1605
df00ff3b 1606#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1607# define S_IREAD S_IRUSR
1608#endif
1609
df00ff3b 1610#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1611# define S_IWRITE S_IWUSR
1612#endif
1613
1614#ifndef S_IEXEC
1615# define S_IEXEC S_IXUSR
1616#endif
1617
79072805
LW		 1618#ifdef ff_next
1619# undef ff_next
352d5a3a
LW		 1620#endif
1621
a0d0e21e 1622#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1623# define SLOPPYDIVIDE
1624#endif
1625
748a9306
LW		 1626#ifdef UV
1627#undef UV
1628#endif
1629
c89df6bf
JH		 1630#ifdef SPRINTF_E_BUG
1631# define sprintf UTS_sprintf_wrap
1632#endif
1633
ce582cee
NC		 1634/* For the times when you want the return value of sprintf, and you want it
1635 to be the length. Can't have a thread variable passed in, because C89 has
1636 no varargs macros.
1637*/
1638#ifdef SPRINTF_RETURNS_STRLEN
1639# define my_sprintf sprintf
1640#else
1641# define my_sprintf Perl_my_sprintf
1642#endif
1643
5b692037
JH		 1644/*
1645 * If we have v?snprintf() and the C99 variadic macros, we can just
1646 * use just the v?snprintf(). It is nice to try to trap the buffer
1647 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1648 * gcc statement expressions, then use the function wrappers which try
1649 * to trap the overflow. If we can use the gcc statement expressions,
1650 * we can try that even with the version that uses the C99 variadic
1651 * macros.
5b692037
JH		 1652 */
1653
1208b3dd
JH		 1654/* Note that we do not check against snprintf()/vsnprintf() returning
1655 * negative values because that is non-standard behaviour and we use
1656 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1657 * that should be true only if the snprintf()/vsnprintf() are true
1658 * to the standard. */
1659
dfeee9b1 1660#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1661# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1662# 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 1663# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1664# else
1665# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1666# endif
1667#else
1668# define my_snprintf Perl_my_snprintf
1208b3dd 1669# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1670#endif
1671
dfeee9b1 1672#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1673# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1674# 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 1675# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1676# else
1677# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1678# endif
1679#else
1680# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1681# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1682#endif
d9fad198 1683
a6cc4119
SP		 1684#ifdef HAS_STRLCAT
1685# define my_strlcat strlcat
1686#else
1687# define my_strlcat Perl_my_strlcat
1688#endif
1689
1690#ifdef HAS_STRLCPY
1691# define my_strlcpy strlcpy
1692#else
1693# define my_strlcpy Perl_my_strlcpy
1694#endif
1695
c495e728
JH		 1696/* Configure gets this right but the UTS compiler gets it wrong.
1697 -- Hal Morris <hom00@utsglobal.com> */
1698#ifdef UTS
1699# undef UVTYPE
1700# define UVTYPE unsigned
1701#endif
1702
05f13f53 1703/*
27d4fb96 1704 The IV type is supposed to be long enough to hold any integral
1705 value or a pointer.
1706 --Andy Dougherty August 1996
1707*/
1708
a22e52b9
JH		 1709typedef IVTYPE IV;
1710typedef UVTYPE UV;
8175356b 1711
10cc9d2a 1712#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1713# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1714# define IV_MAX INT64_MAX
1715# define IV_MIN INT64_MIN
1716# define UV_MAX UINT64_MAX
cae7ae48
JH		 1717# ifndef UINT64_MIN
1718# define UINT64_MIN 0
1719# endif
5ff3f7a4
GS		 1720# define UV_MIN UINT64_MIN
1721# else
1722# define IV_MAX PERL_QUAD_MAX
1723# define IV_MIN PERL_QUAD_MIN
1724# define UV_MAX PERL_UQUAD_MAX
1725# define UV_MIN PERL_UQUAD_MIN
1726# endif
cf2093f6
JH		 1727# define IV_IS_QUAD
1728# define UV_IS_QUAD
79072805 1729#else
8175356b 1730# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1731# define IV_MAX INT32_MAX
1732# define IV_MIN INT32_MIN
716026f9
DL		 1733# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1734# define UV_MAX UINT32_MAX
1735# else
1736# define UV_MAX 4294967295U
1737# endif
cae7ae48
JH		 1738# ifndef UINT32_MIN
1739# define UINT32_MIN 0
1740# endif
5ff3f7a4
GS		 1741# define UV_MIN UINT32_MIN
1742# else
1743# define IV_MAX PERL_LONG_MAX
1744# define IV_MIN PERL_LONG_MIN
1745# define UV_MAX PERL_ULONG_MAX
1746# define UV_MIN PERL_ULONG_MIN
1747# endif
8175356b 1748# if IVSIZE == 8
cf2093f6
JH		 1749# define IV_IS_QUAD
1750# define UV_IS_QUAD
de1c2614
JH		 1751# ifndef HAS_QUAD
1752# define HAS_QUAD
1753# endif
cf2093f6
JH		 1754# else
1755# undef IV_IS_QUAD
1756# undef UV_IS_QUAD
de1c2614 1757# undef HAS_QUAD
cf2093f6 1758# endif
79072805 1759#endif
d7d93a81 1760
1109a392
MHM		 1761#ifndef HAS_QUAD
1762# undef PERL_NEED_MY_HTOLE64
1763# undef PERL_NEED_MY_LETOH64
1764# undef PERL_NEED_MY_HTOBE64
1765# undef PERL_NEED_MY_BETOH64
1766#endif
1767
6cde8aec 1768#if defined(uts) || defined(UTS)
11afe549
HM		 1769# undef UV_MAX
1770# define UV_MAX (4294967295u)
20601011
JH		 1771#endif
1772
cae7ae48 1773#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1774#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1775
28e5dec8 1776#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1777#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1778#endif
1779
d460ef45 1780/*
26bb67e2
JH		 1781 * The macros INT2PTR and NUM2PTR are (despite their names)
1782 * bi-directional: they will convert int/float to or from pointers.
1783 * However the conversion to int/float are named explicitly:
1784 * PTR2IV, PTR2UV, PTR2NV.
1785 *
1786 * For int conversions we do not need two casts if pointers are
1787 * the same size as IV and UV. Otherwise we need an explicit
1788 * cast (PTRV) to avoid compiler warnings.
1789 */
56431972
RB		 1790#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1791# define PTRV UV
1792# define INT2PTR(any,d) (any)(d)
1793#else
d460ef45 1794# if PTRSIZE == LONGSIZE
56431972 1795# define PTRV unsigned long
e91e3b10 1796# define PTR2ul(p) (unsigned long)(p)
42718184 1797# else
56431972 1798# define PTRV unsigned
42718184 1799# endif
e91e3b10
RB		 1800#endif
1801
1802#ifndef INT2PTR
56431972 1803# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1804#endif
e91e3b10
RB		 1805
1806#ifndef PTR2ul
1807# define PTR2ul(p) INT2PTR(unsigned long,p)
1808#endif
1809
56431972
RB		 1810#define NUM2PTR(any,d) (any)(PTRV)(d)
1811#define PTR2IV(p) INT2PTR(IV,p)
1812#define PTR2UV(p) INT2PTR(UV,p)
1813#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1814#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1815
8141890a
JH		 1816/* According to strict ANSI C89 one cannot freely cast between
1817 * data pointers and function (code) pointers. There are at least
1818 * two ways around this. One (used below) is to do two casts,
1819 * first the other pointer to an (unsigned) integer, and then
1820 * the integer to the other pointer. The other way would be
1821 * to use unions to "overlay" the pointers. For an example of
1822 * the latter technique, see union dirpu in struct xpvio in sv.h.
1823 * The only feasible use is probably temporarily storing
1824 * function pointers in a data pointer (such as a void pointer). */
1825
e91e3b10
RB		 1826#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1827#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1828
65202027 1829#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1830# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1831# define LONG_DOUBLE_EQUALS_DOUBLE
1832# endif
68d4903c 1833# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1834# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1835# endif
1836#endif
1837
2d4389e4
JH		 1838#ifdef OVR_DBL_DIG
1839/* Use an overridden DBL_DIG */
1840# ifdef DBL_DIG
1841# undef DBL_DIG
1842# endif
1843# define DBL_DIG OVR_DBL_DIG
1844#else
1845/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1846 default value for printing floating point numbers in Gconvert
1847 (see config.h). (It also has other uses, such as figuring out if
1848 a given precision of printing can be done with a double instead of
1849 a long double - Allen).
2d4389e4
JH		 1850*/
1851#ifdef I_LIMITS
1852#include <limits.h>
1853#endif
1854#ifdef I_FLOAT
1855#include <float.h>
1856#endif
1857#ifndef HAS_DBL_DIG
1858#define DBL_DIG 15 /* A guess that works lots of places */
1859#endif
1860#endif
1861
1862#ifdef OVR_LDBL_DIG
1863/* Use an overridden LDBL_DIG */
1864# ifdef LDBL_DIG
1865# undef LDBL_DIG
1866# endif
1867# define LDBL_DIG OVR_LDBL_DIG
1868#else
1869/* The following is all to get LDBL_DIG, in order to pick a nice
1870 default value for printing floating point numbers in Gconvert.
1871 (see config.h)
1872*/
68d4903c
JH		 1873# ifdef I_LIMITS
1874# include <limits.h>
1875# endif
1876# ifdef I_FLOAT
1877# include <float.h>
1878# endif
1879# ifndef HAS_LDBL_DIG
1880# if LONG_DOUBLESIZE == 10
1881# define LDBL_DIG 18 /* assume IEEE */
1882# else
1883# if LONG_DOUBLESIZE == 12
1884# define LDBL_DIG 18 /* gcc? */
1885# else
1886# if LONG_DOUBLESIZE == 16
1887# define LDBL_DIG 33 /* assume IEEE */
1888# else
1889# if LONG_DOUBLESIZE == DOUBLESIZE
1890# define LDBL_DIG DBL_DIG /* bummer */
1891# endif
1892# endif
1893# endif
1894# endif
1895# endif
2d4389e4
JH		 1896#endif
1897
20f6aaab
AS		 1898/*
1899 * This is for making sure we have a good DBL_MAX value, if possible,
1900 * either for usage as NV_MAX or for usage in figuring out if we can
1901 * fit a given long double into a double, if bug-fixing makes it
1902 * necessary to do so. - Allen <allens@cpan.org>
1903 */
1904
205f51d8
AS		 1905#ifdef I_LIMITS
1906# include <limits.h>
20f6aaab
AS		 1907#endif
1908
205f51d8
AS		 1909#ifdef I_VALUES
1910# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1911# include <values.h>
1912# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1913# define DBL_MAX MAXDOUBLE
1914# endif
1915# if defined(MINDOUBLE) && !defined(DBL_MIN)
1916# define DBL_MIN MINDOUBLE
1917# endif
1918# endif
1919#endif /* defined(I_VALUES) */
1920
a22e52b9 1921typedef NVTYPE NV;
8175356b 1922
792d8dab
JH		 1923#ifdef I_IEEEFP
1924# include <ieeefp.h>
1925#endif
923fc586 1926
65202027 1927#ifdef USE_LONG_DOUBLE
923fc586
JH		 1928# ifdef I_SUNMATH
1929# include <sunmath.h>
1930# endif
2d4389e4 1931# define NV_DIG LDBL_DIG
d6c14000
JH		 1932# ifdef LDBL_MANT_DIG
1933# define NV_MANT_DIG LDBL_MANT_DIG
1934# endif
06fc1729
JH		 1935# ifdef LDBL_MIN
1936# define NV_MIN LDBL_MIN
1937# endif
1938# ifdef LDBL_MAX
1939# define NV_MAX LDBL_MAX
1940# endif
1941# ifdef LDBL_MIN_10_EXP
1942# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1943# endif
1944# ifdef LDBL_MAX_10_EXP
1945# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1946# endif
1947# ifdef LDBL_EPSILON
1948# define NV_EPSILON LDBL_EPSILON
1949# endif
f4a14a62
JH		 1950# ifdef LDBL_MAX
1951# define NV_MAX LDBL_MAX
20f6aaab 1952/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1953# else
1954# ifdef HUGE_VALL
1955# define NV_MAX HUGE_VALL
1956# else
1957# ifdef HUGE_VAL
1958# define NV_MAX ((NV)HUGE_VAL)
1959# endif
1960# endif
1961# endif
68d4903c 1962# ifdef HAS_SQRTL
68d4903c
JH		 1963# define Perl_cos cosl
1964# define Perl_sin sinl
1965# define Perl_sqrt sqrtl
1966# define Perl_exp expl
1967# define Perl_log logl
1968# define Perl_atan2 atan2l
1969# define Perl_pow powl
1970# define Perl_floor floorl
1bbae031 1971# define Perl_ceil ceill
68d4903c
JH		 1972# define Perl_fmod fmodl
1973# endif
a3540c92
JH		 1974/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1975# ifdef HAS_MODFL
1976# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1977/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1978 prototype in <math.h> */
1979# ifndef HAS_MODFL_PROTO
a221a8a5 1980EXTERN_C long double modfl(long double, long double *);
51997bc3 1981# endif
03476e8e
JH		 1982# else
1983# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1984 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1985# define Perl_modf(x,y) Perl_my_modfl(x,y)
1986# endif
a3540c92
JH		 1987# endif
1988# ifdef HAS_FREXPL
dff3e0b8 1989# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1990# else
1991# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1992 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1993# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1994# endif
a3540c92 1995# endif
38dbb4c5 1996# ifndef Perl_isnan
758a5d79
JH		 1997# ifdef HAS_ISNANL
1998# define Perl_isnan(x) isnanl(x)
1999# endif
2000# endif
2001# ifndef Perl_isinf
2002# ifdef HAS_FINITEL
2003# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 2004# endif
2005# endif
65202027 2006#else
2d4389e4 2007# define NV_DIG DBL_DIG
d6c14000
JH		 2008# ifdef DBL_MANT_DIG
2009# define NV_MANT_DIG DBL_MANT_DIG
2010# endif
06fc1729
JH		 2011# ifdef DBL_MIN
2012# define NV_MIN DBL_MIN
2013# endif
2014# ifdef DBL_MAX
2015# define NV_MAX DBL_MAX
2016# endif
2017# ifdef DBL_MIN_10_EXP
2018# define NV_MIN_10_EXP DBL_MIN_10_EXP
2019# endif
2020# ifdef DBL_MAX_10_EXP
2021# define NV_MAX_10_EXP DBL_MAX_10_EXP
2022# endif
2023# ifdef DBL_EPSILON
2024# define NV_EPSILON DBL_EPSILON
2025# endif
205f51d8 2026# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2027# define NV_MAX DBL_MAX
2028# define NV_MIN DBL_MIN
2029# else
2030# ifdef HUGE_VAL
2031# define NV_MAX HUGE_VAL
2032# endif
2033# endif
65202027
DS		 2034# define Perl_cos cos
2035# define Perl_sin sin
2036# define Perl_sqrt sqrt
2037# define Perl_exp exp
2038# define Perl_log log
2039# define Perl_atan2 atan2
2040# define Perl_pow pow
2041# define Perl_floor floor
1bbae031 2042# define Perl_ceil ceil
65202027 2043# define Perl_fmod fmod
a3540c92 2044# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2045# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2046#endif
2047
2048/* rumor has it that Win32 has _fpclass() */
2049
205f51d8
AS		 2050/* SGI has fpclassl... but not with the same result values,
2051 * and it's via a typedef (not via #define), so will need to redo Configure
2052 * to use. Not worth the trouble, IMO, at least until the below is used
2053 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2054 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2055 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2056
758a5d79
JH		 2057#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2058# ifdef I_IEEFP
2059# include <ieeefp.h>
2060# endif
2061# ifdef I_FP
2062# include <fp.h>
2063# endif
2064# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2065# define Perl_fp_class() fpclassl(x)
2066# else
2067# define Perl_fp_class() fpclass(x)
2068# endif
2069# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2070# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2071# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2072# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2073# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2074# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2075# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2076# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2077# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2078# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2079# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2080# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2081# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2082# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2083# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2084#endif
2085
7114a2d2 2086#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2087# include <math.h>
2088# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2089# include <fp_class.h>
2090# endif
2091# define Perl_fp_class(x) fp_class(x)
2092# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2093# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2094# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2095# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2096# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2097# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2098# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2099# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2100# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2101# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2102# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2103# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2104# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2105# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2106# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2107#endif
2108
2109#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2110# include <math.h>
2111# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2112# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2113# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2114# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2115# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2116# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2117#endif
2118
2119#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2120# include <math.h>
2121# ifndef _cplusplus
2122# define Perl_fp_class(x) class(x)
2123# else
2124# define Perl_fp_class(x) _class(x)
2125# endif
2126# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2127# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2128# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2129# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2130# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2131# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2132# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2133# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2134# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2135# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2136# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2137# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2138# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2139# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2140# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2141#endif
2142
2143/* rumor has it that Win32 has _isnan() */
2144
2145#ifndef Perl_isnan
a3540c92 2146# ifdef HAS_ISNAN
758a5d79
JH		 2147# define Perl_isnan(x) isnan((NV)x)
2148# else
2149# ifdef Perl_fp_class_nan
2150# define Perl_isnan(x) Perl_fp_class_nan(x)
2151# else
2152# ifdef HAS_UNORDERED
2153# define Perl_isnan(x) unordered((x), 0.0)
2154# else
2155# define Perl_isnan(x) ((x)!=(x))
2156# endif
2157# endif
2158# endif
2159#endif
2160
ca6c63e1
JH		 2161#ifdef UNDER_CE
2162int isnan(double d);
2163#endif
2164
758a5d79
JH		 2165#ifndef Perl_isinf
2166# ifdef HAS_ISINF
2167# define Perl_isinf(x) isinf((NV)x)
a3540c92 2168# else
758a5d79
JH		 2169# ifdef Perl_fp_class_inf
2170# define Perl_isinf(x) Perl_fp_class_inf(x)
2171# else
2172# define Perl_isinf(x) ((x)==NV_INF)
2173# endif
2174# endif
2175#endif
2176
2177#ifndef Perl_isfinite
2178# ifdef HAS_FINITE
2179# define Perl_isfinite(x) finite((NV)x)
2180# else
2181# ifdef HAS_ISFINITE
2182# define Perl_isfinite(x) isfinite(x)
2183# else
2184# ifdef Perl_fp_class_finite
2185# define Perl_isfinite(x) Perl_fp_class_finite(x)
2186# else
2187# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2188# endif
2189# endif
a3540c92 2190# endif
65202027
DS		 2191#endif
2192
a36244b7
JH		 2193/* The default is to use Perl's own atof() implementation (in numeric.c).
2194 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2195 * it is however best to use the native implementation of atof.
2196 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2197 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2198 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2199 * you may need to be using a different function than atof! */
a36244b7
JH		 2200
2201#ifndef USE_PERL_ATOF
2202# ifndef _UNICOS
2203# define USE_PERL_ATOF
2204# endif
2205#else
2206# if USE_PERL_ATOF == 0
2207# undef USE_PERL_ATOF
2208# endif
2209#endif
2210
2211#ifdef USE_PERL_ATOF
2212# define Perl_atof(s) Perl_my_atof(s)
2213# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2214#else
2215# define Perl_atof(s) (NV)atof(s)
2216# define Perl_atof2(s, n) ((n) = atof(s))
2217#endif
cf2093f6 2218
d460ef45 2219/* Previously these definitions used hardcoded figures.
760ac839
LW		 2220 * It is hoped these formula are more portable, although
2221 * no data one way or another is presently known to me.
2222 * The "PERL_" names are used because these calculated constants
2223 * do not meet the ANSI requirements for LONG_MAX, etc., which
2224 * need to be constants acceptable to #if - kja
2225 * define PERL_LONG_MAX 2147483647L
2226 * define PERL_LONG_MIN (-LONG_MAX - 1)
2227 * define PERL ULONG_MAX 4294967295L
2228 */
2229
2230#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2231# include <limits.h>
760ac839 2232#endif
205f51d8 2233/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2234 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2235
99abf803 2236/*
2237 * Try to figure out max and min values for the integral types. THE CORRECT
2238 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2239 * following hacks are used if neither limits.h or values.h provide them:
2240 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2241 * for types < int: (unsigned TYPE)~(unsigned)0
2242 * The argument to ~ must be unsigned so that later signed->unsigned
2243 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2244 * and it must not be smaller than int because ~ does integral promotion.
2245 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2246 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2247 * The latter is a hack which happens to work on some machines but
2248 * does *not* catch any random system, or things like integer types
2249 * with NaN if that is possible.
2250 *
2251 * All of the types are explicitly cast to prevent accidental loss of
2252 * numeric range, and in the hope that they will be less likely to confuse
2253 * over-eager optimizers.
2254 *
2255 */
27d4fb96 2256
99abf803 2257#define PERL_UCHAR_MIN ((unsigned char)0)
2258
2259#ifdef UCHAR_MAX
2260# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2261#else
99abf803 2262# ifdef MAXUCHAR
2263# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2264# else
99abf803 2265# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2266# endif
2267#endif
d460ef45 2268
99abf803 2269/*
2270 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2271 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2272 * depending on local options. Until Configure detects this (or at least
2273 * detects whether the "signed" keyword is available) the CHAR ranges
2274 * will not be included. UCHAR functions normally.
2275 * - kja
2276 */
27d4fb96 2277
99abf803 2278#define PERL_USHORT_MIN ((unsigned short)0)
2279
2280#ifdef USHORT_MAX
2281# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2282#else
99abf803 2283# ifdef MAXUSHORT
2284# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2285# else
ef2f54b0
CB		 2286# ifdef USHRT_MAX
2287# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2288# else
2289# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2290# endif
27d4fb96 2291# endif
2292#endif
2293
27d4fb96 2294#ifdef SHORT_MAX
99abf803 2295# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2296#else
2297# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2298# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2299# else
ef2f54b0
CB		 2300# ifdef SHRT_MAX
2301# define PERL_SHORT_MAX ((short)SHRT_MAX)
2302# else
2303# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2304# endif
27d4fb96 2305# endif
2306#endif
2307
2308#ifdef SHORT_MIN
99abf803 2309# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2310#else
2311# ifdef MINSHORT
99abf803 2312# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2313# else
ef2f54b0
CB		 2314# ifdef SHRT_MIN
2315# define PERL_SHORT_MIN ((short)SHRT_MIN)
2316# else
2317# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2318# endif
27d4fb96 2319# endif
2320#endif
2321
99abf803 2322#ifdef UINT_MAX
2323# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2324#else
99abf803 2325# ifdef MAXUINT
2326# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2327# else
99abf803 2328# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2329# endif
2330#endif
2331
99abf803 2332#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2333
2334#ifdef INT_MAX
99abf803 2335# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2336#else
2337# ifdef MAXINT /* Often used in <values.h> */
99abf803 2338# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2339# else
99abf803 2340# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2341# endif
2342#endif
2343
2344#ifdef INT_MIN
99abf803 2345# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2346#else
2347# ifdef MININT
99abf803 2348# define PERL_INT_MIN ((int)MININT)
27d4fb96 2349# else
2350# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2351# endif
2352#endif
2353
99abf803 2354#ifdef ULONG_MAX
2355# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2356#else
99abf803 2357# ifdef MAXULONG
2358# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2359# else
99abf803 2360# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2361# endif
2362#endif
2363
99abf803 2364#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2365
760ac839 2366#ifdef LONG_MAX
99abf803 2367# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2368#else
2369# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2370# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2371# else
99abf803 2372# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2373# endif
2374#endif
2375
2376#ifdef LONG_MIN
99abf803 2377# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2378#else
2379# ifdef MINLONG
99abf803 2380# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2381# else
27d4fb96 2382# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2383# endif
2384#endif
2385
d7d93a81 2386#ifdef UV_IS_QUAD
99abf803 2387
99abf803 2388# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2389# define PERL_UQUAD_MIN ((UV)0)
99abf803 2390# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2391# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2392
79072805
LW		 2393#endif
2394
830247a4 2395struct RExC_state_t;
8e11feef 2396struct _reg_trie_data;
880b20b6 2397
ee0007ab 2398typedef MEM_SIZE STRLEN;
450a55e4 2399
598921a7
NC		 2400#ifdef PERL_MAD
2401typedef struct token TOKEN;
2402typedef struct madprop MADPROP;
2403typedef struct nexttoken NEXTTOKE;
2404#endif
79072805
LW		 2405typedef struct op OP;
2406typedef struct cop COP;
2407typedef struct unop UNOP;
2408typedef struct binop BINOP;
2409typedef struct listop LISTOP;
2410typedef struct logop LOGOP;
79072805
LW		 2411typedef struct pmop PMOP;
2412typedef struct svop SVOP;
7934575e 2413typedef struct padop PADOP;
79072805 2414typedef struct pvop PVOP;
79072805
LW		 2415typedef struct loop LOOP;
2416
52db365a 2417typedef struct block_hooks BHK;
1830b3d9 2418typedef struct custom_op XOP;
52db365a 2419
cd1541b2
NC		 2420typedef struct interpreter PerlInterpreter;
2421
d2b3f365
SS		 2422/* Amdahl's <ksync.h> has struct sv */
2423/* SGI's <sys/sema.h> has struct sv */
2424#if defined(UTS) || defined(__sgi)
2425# define STRUCT_SV perl_sv
b8d3c5db
JH		 2426#else
2427# define STRUCT_SV sv
2428#endif
2429typedef struct STRUCT_SV SV;
79072805
LW		 2430typedef struct av AV;
2431typedef struct hv HV;
2432typedef struct cv CV;
d2f13c59 2433typedef struct p5rx REGEXP;
79072805 2434typedef struct gp GP;
0c30d9ec 2435typedef struct gv GV;
8990e307 2436typedef struct io IO;
c09156bb 2437typedef struct context PERL_CONTEXT;
79072805
LW		 2438typedef struct block BLOCK;
2439
2440typedef struct magic MAGIC;
2441typedef struct xpv XPV;
2442typedef struct xpviv XPVIV;
ff68c719 2443typedef struct xpvuv XPVUV;
79072805
LW		 2444typedef struct xpvnv XPVNV;
2445typedef struct xpvmg XPVMG;
2446typedef struct xpvlv XPVLV;
2447typedef struct xpvav XPVAV;
2448typedef struct xpvhv XPVHV;
2449typedef struct xpvgv XPVGV;
2450typedef struct xpvcv XPVCV;
2451typedef struct xpvbm XPVBM;
2452typedef struct xpvfm XPVFM;
8990e307 2453typedef struct xpvio XPVIO;
79072805
LW		 2454typedef struct mgvtbl MGVTBL;
2455typedef union any ANY;
5f7fde29
GS		 2456typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2457typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2458typedef struct clone_params CLONE_PARAMS;
2459
378cc40b 2460#include "handy.h"
a0d0e21e 2461
6b8eaf93 2462#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2463# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2464# define USE_64_BIT_RAWIO /* implicit */
2465# endif
4564133c
JH		 2466#endif
2467
6b8eaf93
JH		 2468/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2469 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2470 * however, because operating systems like to do that themself. */
2471#ifndef FSEEKSIZE
2472# ifdef HAS_FSEEKO
2473# define FSEEKSIZE LSEEKSIZE
2474# else
2475# define FSEEKSIZE LONGSIZE
d460ef45 2476# endif
6b8eaf93
JH		 2477#endif
2478
2479#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2480# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2481# define USE_64_BIT_STDIO /* implicit */
2482# endif
2483#endif
4564133c 2484
09458382 2485#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2486# ifdef HAS_OFF64_T
2487# undef Off_t
2488# define Off_t off64_t
2489# undef LSEEKSIZE
2490# define LSEEKSIZE 8
5ff3f7a4 2491# endif
d9b3e12d
JH		 2492/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2493 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2494 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2495# if defined(USE_OPEN64)
2496# define open open64
5ff3f7a4 2497# endif
d9b3e12d
JH		 2498# if defined(USE_LSEEK64)
2499# define lseek lseek64
6b8eaf93
JH		 2500# else
2501# if defined(USE_LLSEEK)
2502# define lseek llseek
2503# endif
d9b3e12d
JH		 2504# endif
2505# if defined(USE_STAT64)
2506# define stat stat64
2507# endif
2508# if defined(USE_FSTAT64)
2509# define fstat fstat64
2510# endif
2511# if defined(USE_LSTAT64)
2512# define lstat lstat64
2513# endif
2514# if defined(USE_FLOCK64)
2515# define flock flock64
2516# endif
2517# if defined(USE_LOCKF64)
2518# define lockf lockf64
2519# endif
2520# if defined(USE_FCNTL64)
2521# define fcntl fcntl64
2522# endif
2523# if defined(USE_TRUNCATE64)
2524# define truncate truncate64
2525# endif
2526# if defined(USE_FTRUNCATE64)
2527# define ftruncate ftruncate64
2528# endif
2529#endif
2530
2531#ifdef USE_64_BIT_STDIO
2532# ifdef HAS_FPOS64_T
2533# undef Fpos_t
2534# define Fpos_t fpos64_t
2535# endif
2536/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2537 * will trigger defines like the ones below. Some 64-bit environments,
2538 * however, do not. */
2539# if defined(USE_FOPEN64)
2540# define fopen fopen64
2541# endif
2542# if defined(USE_FSEEK64)
6b8eaf93 2543# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2544# endif
2545# if defined(USE_FTELL64)
6b8eaf93 2546# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2547# endif
2548# if defined(USE_FSETPOS64)
2549# define fsetpos fsetpos64
2550# endif
2551# if defined(USE_FGETPOS64)
2552# define fgetpos fgetpos64
2553# endif
2554# if defined(USE_TMPFILE64)
2555# define tmpfile tmpfile64
2556# endif
2557# if defined(USE_FREOPEN64)
2558# define freopen freopen64
5ff3f7a4
GS		 2559# endif
2560#endif
2561
e37778c2 2562#if defined(OS2)
2c2d71f5
JH		 2563# include "iperlsys.h"
2564#endif
2565
6f71a643 2566#if defined(__OPEN_VM)
19848b3f
JH		 2567# include "vmesa/vmesaish.h"
2568# define ISHISH "vmesa"
6f71a643
JH		 2569#endif
2570
748a9306 2571#ifdef DOSISH
19848b3f
JH		 2572# if defined(OS2)
2573# include "os2ish.h"
2574# else
2575# include "dosish.h"
2576# endif
2577# define ISHISH "dos"
2578#endif
2579
2580#if defined(VMS)
748a9306 2581# include "vmsish.h"
19848b3f
JH		 2582# define ISHISH "vms"
2583#endif
2584
2585#if defined(PLAN9)
2586# include "./plan9/plan9ish.h"
2587# define ISHISH "plan9"
2588#endif
2589
2590#if defined(MPE)
2591# include "mpeix/mpeixish.h"
2592# define ISHISH "mpeix"
2593#endif
2594
2595#if defined(__VOS__)
196918b0
PG		 2596# ifdef __GNUC__
2597# include "./vos/vosish.h"
2598# else
2599# include "vos/vosish.h"
2600# endif
19848b3f
JH		 2601# define ISHISH "vos"
2602#endif
2603
2604#if defined(EPOC)
2605# include "epocish.h"
2606# define ISHISH "epoc"
2607#endif
2608
9969cdde 2609#ifdef __SYMBIAN32__
27da23d5 2610# include "symbian/symbianish.h"
27da23d5
JH		 2611# define ISHISH "symbian"
2612#endif
2613
19848b3f 2614
df00ff3b
IW		 2615#if defined(__HAIKU__)
2616# include "haiku/haikuish.h"
2617# define ISHISH "haiku"
2618#elif defined(__BEOS__)
efca5cc6
JH		 2619# include "beos/beosish.h"
2620# define ISHISH "beos"
2621#endif
2622
19848b3f
JH		 2623#ifndef ISHISH
2624# include "unixish.h"
2625# define ISHISH "unix"
13b6e58c
JH		 2626#endif
2627
2946a158
JH		 2628/* NSIG logic from Configure --> */
2629/* Strange style to avoid deeply-nested #if/#else/#endif */
2630#ifndef NSIG
2631# ifdef _NSIG
2632# define NSIG (_NSIG)
2633# endif
2634#endif
2635
2636#ifndef NSIG
2637# ifdef SIGMAX
2638# define NSIG (SIGMAX+1)
2639# endif
2640#endif
2641
2642#ifndef NSIG
2643# ifdef SIG_MAX
2644# define NSIG (SIG_MAX+1)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef _SIG_MAX
2650# define NSIG (_SIG_MAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef MAXSIG
2656# define NSIG (MAXSIG+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef MAX_SIG
2662# define NSIG (MAX_SIG+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef SIGARRAYSIZE
2668# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef _sys_nsig
2674# define NSIG (_sys_nsig) /* Solaris 2.5 */
2675# endif
2676#endif
2677
2678/* Default to some arbitrary number that's big enough to get most
2679 of the common signals.
2680*/
2681#ifndef NSIG
2682# define NSIG 50
2683#endif
2684/* <-- NSIG logic from Configure */
2685
13b6e58c
JH		 2686#ifndef NO_ENVIRON_ARRAY
2687# define USE_ENVIRON_ARRAY
2688#endif
32f822de 2689
c77b533b
JH		 2690/*
2691 * initialise to avoid floating-point exceptions from overflow, etc
2692 */
2693#ifndef PERL_FPU_INIT
2694# ifdef HAS_FPSETMASK
2695# if HAS_FLOATINGPOINT_H
2696# include <floatingpoint.h>
2697# endif
ad3a8c67
NC		 2698/* Some operating systems have this as a macro, which in turn expands to a comma
2699 expression, and the last sub-expression is something that gets calculated,
2700 and then they have the gall to warn that a value computed is not used. Hence
2701 cast to void. */
2702# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2703# else
2f42fcb0 2704# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2705# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2706# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2707# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2708# else
2709# define PERL_FPU_INIT
2f42fcb0 2710
7014c407 2711# endif
c77b533b
JH		 2712# endif
2713#endif
b35112e7
CS		 2714#ifndef PERL_FPU_PRE_EXEC
2715# define PERL_FPU_PRE_EXEC {
2716# define PERL_FPU_POST_EXEC }
2717#endif
c77b533b 2718
cbec8ebe
DM		 2719#ifndef PERL_SYS_INIT3_BODY
2720# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2721#endif
2722
eb533572
DM		 2723/*
2724=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2725Provides system-specific tune up of the C runtime environment necessary to
2726run Perl interpreters. This should be called only once, before creating
2727any Perl interpreters.
2728
2729=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2730Provides system-specific tune up of the C runtime environment necessary to
2731run Perl interpreters. This should be called only once, before creating
2732any Perl interpreters.
2733
2734=for apidoc Am|void|PERL_SYS_TERM|
2735Provides system-specific clean up of the C runtime environment after
2736running Perl interpreters. This should be called only once, after
2737freeing any remaining Perl interpreters.
2738
2739=cut
2740 */
2741
cbec8ebe
DM		 2742#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2743#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2744#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2745
be708cc0
JH		 2746#ifndef PERL_WRITE_MSG_TO_CONSOLE
2747# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2748#endif
2749
0f31cffe
GS		 2750#ifndef MAXPATHLEN
2751# ifdef PATH_MAX
b990c8b2
JH		 2752# ifdef _POSIX_PATH_MAX
2753# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2754/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2755 * included the null byte or not. Later amendments of POSIX,
2756 * XPG4, the Austin Group, and the Single UNIX Specification
2757 * all explicitly include the null byte in the PATH_MAX.
2758 * Ditto for _POSIX_PATH_MAX. */
2759# define MAXPATHLEN PATH_MAX
b990c8b2 2760# else
09448d78 2761# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2762# endif
2763# else
2764# define MAXPATHLEN (PATH_MAX+1)
2765# endif
0f31cffe 2766# else
b990c8b2 2767# ifdef _POSIX_PATH_MAX
09448d78 2768# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2769# else
2770# define MAXPATHLEN 1024 /* Err on the large side. */
2771# endif
0f31cffe
GS		 2772# endif
2773#endif
2774
c80263a8
SH		 2775/* In case Configure was not used (we are using a "canned config"
2776 * such as Win32, or a cross-compilation setup, for example) try going
2777 * by the gcc major and minor versions. One useful URL is
2778 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2779 * but contrary to this information warn_unused_result seems
2780 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2781 * Also, when building extensions with an installed perl, this allows
2782 * the user to upgrade gcc and get the right attributes, rather than
2783 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2784 * Set these up now otherwise we get confused when some of the <*thread.h>
2785 * includes below indirectly pull in <perlio.h> (which needs to know if we
2786 * have HASATTRIBUTE_FORMAT).
2787 */
2788
4d7c7898 2789#ifndef PERL_MICRO
fc2007d4 2790#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2791# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2792# define HASATTRIBUTE_DEPRECATED
2793# endif
c80263a8
SH		 2794# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2795# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2796# if defined __MINGW32__
2797# define PRINTF_FORMAT_NULL_OK
2798# endif
c80263a8
SH		 2799# endif
2800# if __GNUC__ >= 3 /* 3.0 -> */
2801# define HASATTRIBUTE_MALLOC
2802# endif
2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2804# define HASATTRIBUTE_NONNULL
2805# endif
2806# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2807# define HASATTRIBUTE_NORETURN
2808# endif
2809# if __GNUC__ >= 3 /* gcc 3.0 -> */
2810# define HASATTRIBUTE_PURE
2811# endif
42bf5550 2812# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2813# define HASATTRIBUTE_UNUSED
2814# endif
d324fe49
AD		 2815# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2816# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2817# endif
c80263a8
SH		 2818# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2819# define HASATTRIBUTE_WARN_UNUSED_RESULT
2820# endif
2821#endif
00f254e2 2822#endif /* #ifndef PERL_MICRO */
c80263a8 2823
3db8f154 2824/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2825 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2826 * this results in many functions being undeclared which bothers C++
2827 * May make sense to have threads after "*ish.h" anyway
2828 */
2829
3db8f154 2830#if defined(USE_ITHREADS)
2986a63f
JH		 2831# ifdef NETWARE
2832# include <nw5thread.h>
2833# else
32f822de
GS		 2834# ifdef FAKE_THREADS
2835# include "fakethr.h"
2836# else
2837# ifdef WIN32
2838# include <win32thread.h>
2839# else
dd96f567
IZ		 2840# ifdef OS2
2841# include "os2thread.h"
2842# else
7f3d1cf1 2843# ifdef I_MACH_CTHREADS
bdd66968 2844# include <mach/cthreads.h>
8f1f23e8 2845# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2846# define MUTEX_INIT_CALLS_MALLOC
2847# endif
7f3d1cf1
BH		 2848typedef cthread_t perl_os_thread;
2849typedef mutex_t perl_mutex;
2850typedef condition_t perl_cond;
2851typedef void * perl_key;
2852# else /* Posix threads */
1f5ae88c
JH		 2853# ifdef I_PTHREAD
2854# include <pthread.h>
2855# endif
7f3d1cf1
BH		 2856typedef pthread_t perl_os_thread;
2857typedef pthread_mutex_t perl_mutex;
2858typedef pthread_cond_t perl_cond;
2859typedef pthread_key_t perl_key;
2860# endif /* I_MACH_CTHREADS */
dd96f567 2861# endif /* OS2 */
32f822de
GS		 2862# endif /* WIN32 */
2863# endif /* FAKE_THREADS */
2986a63f 2864#endif /* NETWARE */
3db8f154 2865#endif /* USE_ITHREADS */
c5be433b 2866
66a93824 2867#if defined(WIN32)
1feb2720 2868# include "win32.h"
c5be433b
GS		 2869#endif
2870
2986a63f
JH		 2871#ifdef NETWARE
2872# include "netware.h"
2873#endif
2874
e5218da5 2875#define STATUS_UNIX PL_statusvalue
68dc0745 2876#ifdef VMS
6b88bc9c 2877# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2878/*
2879 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2880 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2881 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2882 * be updated also.
2883 */
2884# include <stsdef.h>
2885# include <ssdef.h>
2886/* Presume this because if VMS changes it, it will require a new
2887 * set of APIs for waiting on children for binary compatibility.
2888 */
2889# define child_offset_bits (8)
2890# ifndef C_FAC_POSIX
2891# define C_FAC_POSIX 0x35A000
2892# endif
2893
2894/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2895 * platform from the existing UNIX or Native status values.
2896 */
2897
37038d91 2898# define STATUS_EXIT \
7a7fd8e0
JM		 2899 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2900 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2901
7a7fd8e0 2902
fb38d079
JM		 2903/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2904 * exit code and shifts the UNIX value over the correct number of bits to
2905 * be a child status. Usually the number of bits is 8, but that could be
2906 * platform dependent. The NATIVE status code is presumed to have either
2907 * from a child process.
7a7fd8e0
JM		 2908 */
2909
fb38d079
JM		 2910/* This is complicated. The child processes return a true native VMS
2911 status which must be saved. But there is an assumption in Perl that
2912 the UNIX child status has some relationship to errno values, so
00f254e2 2913 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2914 In order to get the string translation correct, for the error, errno
2915 must be EVMSERR, but that generates a different text message
2916 than what the test programs are expecting. So an errno value must
2917 be derived from the native status value when an error occurs.
2918 That will hide the true native status message. With this version of
2919 perl, the true native child status can always be retrieved so that
2920 is not a problem. But in this case, Pl_statusvalue and errno may
2921 have different values in them.
2922 */
7a7fd8e0 2923
fb38d079 2924# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2925 STMT_START { \
2fbb330f
JM		 2926 I32 evalue = (I32)n; \
2927 if (evalue == EVMSERR) { \
2928 PL_statusvalue_vms = vaxc$errno; \
2929 PL_statusvalue = evalue; \
7a7fd8e0 2930 } else { \
2fbb330f 2931 PL_statusvalue_vms = evalue; \
fb38d079 2932 if (evalue == -1) { \
3280af22 2933 PL_statusvalue = -1; \
7a7fd8e0
JM		 2934 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2935 } else \
fb38d079 2936 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2937 set_vaxc_errno(evalue); \
fb38d079
JM		 2938 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2939 set_errno(EVMSERR); \
2940 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2941 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2942 } \
68dc0745 2943 } STMT_END
7a7fd8e0 2944
68dc0745 2945# ifdef VMSISH_STATUS
e5218da5 2946# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2947# else
e5218da5 2948# define STATUS_CURRENT STATUS_UNIX
68dc0745 2949# endif
7a7fd8e0
JM		 2950
2951 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2952 * the NATIVE status to an equivalent value. Can not be used to translate
2953 * exit code values as exit code values are not guaranteed to have any
2954 * relationship at all to errno values.
2955 * This is used when Perl is forcing errno to have a specific value.
2956 */
e5218da5 2957# define STATUS_UNIX_SET(n) \
68dc0745 2958 STMT_START { \
7a7fd8e0 2959 I32 evalue = (I32)n; \
0968cdad 2960 PL_statusvalue = evalue; \
3280af22 2961 if (PL_statusvalue != -1) { \
0968cdad
JM		 2962 if (PL_statusvalue != EVMSERR) { \
2963 PL_statusvalue &= 0xFFFF; \
2964 if (MY_POSIX_EXIT) \
2965 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2966 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2967 } \
2968 else { \
2969 PL_statusvalue_vms = vaxc$errno; \
2970 } \
68dc0745 2971 } \
0968cdad
JM		 2972 else PL_statusvalue_vms = SS$_ABORT; \
2973 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2974 } STMT_END
2975
2976 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2977 * the NATIVE error status based on it.
2978 *
2979 * When in the default mode to comply with the Perl VMS documentation,
2980 * 0 is a success and any other code sets the NATIVE status to a failure
2981 * code of SS$_ABORT.
fb38d079
JM		 2982 *
2983 * In the new POSIX EXIT mode, native status will be set so that the
2984 * actual exit code will can be retrieved by the calling program or
2985 * shell.
2986 *
2987 * If the exit code is not clearly a UNIX parent or child exit status,
2988 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2989 */
2990
fb38d079 2991# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2992 STMT_START { \
2993 I32 evalue = (I32)n; \
2994 PL_statusvalue = evalue; \
e08e1e1d
JM		 2995 if (MY_POSIX_EXIT) { \
2996 if (evalue <= 0xFF00) { \
2997 if (evalue > 0xFF) \
2998 evalue = (evalue >> child_offset_bits) & 0xFF; \
2999 PL_statusvalue_vms = \
3000 (C_FAC_POSIX | (evalue << 3 ) | \
3001 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3002 } else /* forgive them Perl, for they have sinned */ \
3003 PL_statusvalue_vms = evalue; \
3004 } else { \
3005 if (evalue == 0) \
3006 PL_statusvalue_vms = SS$_NORMAL; \
3007 else if (evalue <= 0xFF00) \
3008 PL_statusvalue_vms = SS$_ABORT; \
3009 else { /* forgive them Perl, for they have sinned */ \
3010 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3011 else PL_statusvalue_vms = vaxc$errno; \
3012 /* And obviously used a VMS status value instead of UNIX */ \
3013 PL_statusvalue = EVMSERR; \
3014 } \
3015 set_vaxc_errno(PL_statusvalue_vms); \
3016 } \
68dc0745 3017 } STMT_END
fb38d079 3018
e08e1e1d 3019
6ac6a52b
JM		 3020 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3021 * and sets the NATIVE error status based on it. This special case
3022 * is needed to maintain compatibility with past VMS behavior.
3023 *
3024 * In the default mode on VMS, this number is passed through as
3025 * both the NATIVE and UNIX status. Which makes it different
3026 * that the STATUS_UNIX_EXIT_SET.
3027 *
3028 * In the new POSIX EXIT mode, native status will be set so that the
3029 * actual exit code will can be retrieved by the calling program or
3030 * shell.
3031 *
1a3aec58
JM		 3032 * A POSIX exit code is from 0 to 255. If the exit code is higher
3033 * than this, it needs to be assumed that it is a VMS exit code and
3034 * passed through.
6ac6a52b
JM		 3035 */
3036
3037# define STATUS_EXIT_SET(n) \
3038 STMT_START { \
3039 I32 evalue = (I32)n; \
3040 PL_statusvalue = evalue; \
3041 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3042 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3043 PL_statusvalue_vms = \
3044 (C_FAC_POSIX | (evalue << 3 ) | \
3045 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3046 else \
3047 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3048 set_vaxc_errno(PL_statusvalue_vms); \
3049 } STMT_END
3050
fb38d079
JM		 3051
3052 /* This macro forces a success status */
7a7fd8e0
JM		 3053# define STATUS_ALL_SUCCESS \
3054 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3055
3056 /* This macro forces a failure status */
7a7fd8e0
JM		 3057# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3058 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3059 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3060
68dc0745 3061#else
e5218da5 3062# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3063# if defined(WCOREDUMP)
37038d91 3064# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3065 STMT_START { \
3066 PL_statusvalue_posix = (n); \
3067 if (PL_statusvalue_posix == -1) \
3068 PL_statusvalue = -1; \
3069 else { \
3070 PL_statusvalue = \
3071 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3072 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3073 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3074 } \
3075 } STMT_END
3076# elif defined(WIFEXITED)
37038d91 3077# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3078 STMT_START { \
3079 PL_statusvalue_posix = (n); \
3080 if (PL_statusvalue_posix == -1) \
3081 PL_statusvalue = -1; \
3082 else { \
3083 PL_statusvalue = \
3084 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3085 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3086 } \
3087 } STMT_END
3088# else
37038d91 3089# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3090 STMT_START { \
3091 PL_statusvalue_posix = (n); \
3092 if (PL_statusvalue_posix == -1) \
3093 PL_statusvalue = -1; \
3094 else { \
3095 PL_statusvalue = \
3096 PL_statusvalue_posix & 0xFFFF; \
3097 } \
3098 } STMT_END
3099# endif
3100# define STATUS_UNIX_SET(n) \
68dc0745 3101 STMT_START { \
3280af22
NIS		 3102 PL_statusvalue = (n); \
3103 if (PL_statusvalue != -1) \
3104 PL_statusvalue &= 0xFFFF; \
68dc0745 3105 } STMT_END
7a7fd8e0 3106# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3107# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3108# define STATUS_CURRENT STATUS_UNIX
37038d91 3109# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3110# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3111# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3112#endif
3113
cc3604b1
GS		 3114/* flags in PL_exit_flags for nature of exit() */
3115#define PERL_EXIT_EXPECTED 0x01
31d77e54 3116#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3117
b79b76e0 3118#ifndef PERL_CORE
a7cb1f99 3119/* format to use for version numbers in file/directory names */
273cf8d1 3120/* XXX move to Configure? */
b79b76e0
NC		 3121/* This was only ever used for the current version, and that can be done at
3122 compile time, as PERL_FS_VERSION, so should we just delete it? */
3123# ifndef PERL_FS_VER_FMT
3124# define PERL_FS_VER_FMT "%d.%d.%d"
3125# endif
3126#endif
3127
3128#ifndef PERL_FS_VERSION
3129# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3130#endif
3131
45bc9206 3132/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3133 * performance issue, so we allow people to disable it. Also, if
3134 * we are using stdio, there are broken implementations of fflush(NULL)
3135 * out there, Solaris being the most prominent.
45bc9206
GS		 3136 */
3137#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3138# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3139# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3140# else
3141# ifdef FFLUSH_ALL
3142# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3143# else
c5be433b 3144# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3145# endif
66fe083f 3146# endif
45bc9206
GS		 3147#endif
3148
7766f137
GS		 3149#ifndef PERL_WAIT_FOR_CHILDREN
3150# define PERL_WAIT_FOR_CHILDREN NOOP
3151#endif
3152
ba869deb 3153/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3154#ifndef PERL_SET_INTERP
3155# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3156#endif
3157
3158#ifndef PERL_GET_INTERP
3159# define PERL_GET_INTERP (PL_curinterp)
3160#endif
3161
54aff467 3162#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3163# ifdef MULTIPLICITY
ba869deb 3164# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3165# endif
ba869deb
GS		 3166# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3167#endif
3168
00f254e2 3169/*
8896765a 3170 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3171 All that is required is that the perl source does not
00f254e2
KW		 3172 use "%-p" or "%-<number>p" or "%<number>p" formats.
3173 These formats will still work in perl code.
486ec47a 3174 See comments in sv.c for further details.
8896765a 3175
8896765a 3176 Robin Barker 2005-07-14
f46d31f2 3177
00f254e2 3178 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3179*/
8896765a
RB		 3180
3181#ifndef SVf_
63ce7bf0 3182# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3183#endif
3184
8896765a 3185#ifndef SVf
104abab4 3186# define SVf "-p"
d2560b70
RB		 3187#endif
3188
014ead4b 3189#ifndef SVf32
8896765a 3190# define SVf32 SVf_(32)
014ead4b
RB		 3191#endif
3192
3193#ifndef SVf256
8896765a
RB		 3194# define SVf256 SVf_(256)
3195#endif
3196
be2597df
MHM		 3197#define SVfARG(p) ((void*)(p))
3198
20023040
FC		 3199#ifndef HEKf
3200# define HEKf "2p"
3201#endif
3202
b8fa5213
FC		 3203/* Not ideal, but we cannot easily include a number in an already-numeric
3204 * format sequence. */
3205#ifndef HEKf256
3206# define HEKf256 "3p"
3207#endif
3208
20023040
FC		 3209#define HEKfARG(p) ((void*)(p))
3210
f46d31f2 3211#ifdef PERL_CORE
486ec47a 3212/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3213# undef VDf
3214#else
3215# ifndef VDf
8896765a
RB		 3216# define VDf "vd"
3217# endif
014ead4b 3218#endif
170cd9e9
NC		 3219
3220#ifdef PERL_CORE
486ec47a 3221/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3222# undef UVf
3223#else
170cd9e9
NC		 3224# ifndef UVf
3225# define UVf UVuf
3226# endif
d2560b70
RB		 3227#endif
3228
fcdf39cf
RGS		 3229#ifdef HASATTRIBUTE_DEPRECATED
3230# define __attribute__deprecated__ __attribute__((deprecated))
3231#endif
0dbb1585
AL		 3232#ifdef HASATTRIBUTE_FORMAT
3233# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3234#endif
3235#ifdef HASATTRIBUTE_MALLOC
77785eea 3236# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3237#endif
0dbb1585 3238#ifdef HASATTRIBUTE_NONNULL
abb2c242 3239# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3240#endif
0dbb1585 3241#ifdef HASATTRIBUTE_NORETURN
abb2c242 3242# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_PURE
abb2c242 3245# define __attribute__pure__ __attribute__((pure))
f22be1b8 3246#endif
0dbb1585
AL		 3247#ifdef HASATTRIBUTE_UNUSED
3248# define __attribute__unused__ __attribute__((unused))
3249#endif
3250#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3251# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3252#endif
3253
0dbb1585 3254/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3255#ifndef __attribute__deprecated__
3256# define __attribute__deprecated__
3257#endif
0dbb1585
AL		 3258#ifndef __attribute__format__
3259# define __attribute__format__(x,y,z)
3260#endif
f22be1b8 3261#ifndef __attribute__malloc__
abb2c242 3262# define __attribute__malloc__
f22be1b8
JH		 3263#endif
3264#ifndef __attribute__nonnull__
abb2c242 3265# define __attribute__nonnull__(a)
f22be1b8
JH		 3266#endif
3267#ifndef __attribute__noreturn__
abb2c242 3268# define __attribute__noreturn__
f22be1b8
JH		 3269#endif
3270#ifndef __attribute__pure__
abb2c242 3271# define __attribute__pure__
f22be1b8 3272#endif
0dbb1585
AL		 3273#ifndef __attribute__unused__
3274# define __attribute__unused__
3275#endif
f22be1b8 3276#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3277# define __attribute__warn_unused_result__
3278#endif
3279
0dbb1585
AL		 3280/* For functions that are marked as __attribute__noreturn__, it's not
3281 appropriate to call return. In either case, include the lint directive.
3282 */
3283#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3284# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3285#else
b37c2d43 3286# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3287#endif
3288
cdfeb707
RB		 3289/* Some OS warn on NULL format to printf */
3290#ifdef PRINTF_FORMAT_NULL_OK
3291# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3292#else
00f254e2 3293# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3294#endif
3295
635aebb7 3296#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3297# define EXPECT(expr,val) __builtin_expect(expr,val)
3298#else
3299# define EXPECT(expr,val) (expr)
3300#endif
3301#define LIKELY(cond) EXPECT(cond,1)
3302#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3303#ifdef HAS_BUILTIN_CHOOSE_EXPR
3304/* placeholder */
3305#endif
b37c2d43 3306
3fc1aec6 3307/* Some unistd.h's give a prototype for pause() even though
3308 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3309 below to be rejected by the compiler. Sigh.
3fc1aec6 3310*/
3311#ifdef HAS_PAUSE
3312#define Pause pause
3313#else
3314#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3315#endif
3316
3317#ifndef IOCPARM_LEN
3318# ifdef IOCPARM_MASK
61f1c44b 3319 /* on BSDish systems we're safe */
748a9306
LW		 3320# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3321# else
61f1c44b 3322# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3323 /* on Linux systems we're safe; except when we're not [perl #38223] */
3324# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3325# else
748a9306 3326 /* otherwise guess at what's safe */
61f1c44b
JVD		 3327# define IOCPARM_LEN(x) 256
3328# endif
748a9306 3329# endif
a0d0e21e
LW		 3330#endif
3331
1761cee5 3332#if defined(__CYGWIN__)
521e0776
GS		 3333/* USEMYBINMODE
3334 * This symbol, if defined, indicates that the program should
16fe6d59 3335 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3336 * that a file is in "binary" mode -- that is, that no translation
3337 * of bytes occurs on read or write operations.
3338 */
36894f0b 3339# define USEMYBINMODE /**/
77a40698 3340# include <io.h> /* for setmode() prototype */
16fe6d59 3341# define my_binmode(fp, iotype, mode) \
77a40698 3342 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3343#endif
3344
88d10794
JH		 3345#ifdef __CYGWIN__
3346void init_os_extras(void);
3347#endif
3348
cea2e8a9
GS		 3349#ifdef UNION_ANY_DEFINITION
3350UNION_ANY_DEFINITION;
3351#else
3352union any {
3353 void* any_ptr;
3354 I32 any_i32;
3355 IV any_iv;
c6bf6a65 3356 UV any_uv;
cea2e8a9 3357 long any_long;
9febdf04 3358 bool any_bool;
c76ac1ee 3359 void (*any_dptr) (void*);
acfe0abc 3360 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3361};
3362#endif
3363
acfe0abc 3364typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3365
3366#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3367#define FILTER_DATA(idx) \
3368 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3369#define FILTER_ISREADER(idx) \
3370 (PL_parser && PL_parser->rsfp_filters \
3371 && idx >= AvFILLp(PL_parser->rsfp_filters))
3372#define PERL_FILTER_EXISTS(i) \
3373 (PL_parser && PL_parser->rsfp_filters \
3374 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3375
c5078cac
JH		 3376#if defined(_AIX) && !defined(_AIX43)
3377#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3378/* We cannot include <crypt.h> to get the struct crypt_data
3379 * because of setkey prototype problems when threading */
3380typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3381 /* From OSF, Not needed in AIX
3382 char C[28], D[28];
3383 */
3384 char E[48];
3385 char KS[16][48];
3386 char block[66];
3387 char iobuf[16];
3388} CRYPTD;
3389#endif /* threading */
3390#endif /* AIX */
3391
e37778c2 3392#if !defined(OS2)
2c2d71f5
JH		 3393# include "iperlsys.h"
3394#endif
504f80c1 3395
9c12f1e5 3396#ifdef __LIBCATAMOUNT__
00f254e2 3397#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3398#undef HAS_GROUP
3399#define FAKE_BIT_BUCKET
3400#endif
3401
d10dc2ae
JH		 3402/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3403 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3404 * defined by Configure, despite their names being similar to the
3405 * other defines like USE_ITHREADS. Configure in fact knows nothing
3406 * about the randomised hashes. Therefore to enable/disable the hash
3407 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3408#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3409# define USE_HASH_SEED
504f80c1
JH		 3410#endif
3411
598921a7
NC		 3412/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3413 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3414 * it's not really needed.
3415 */
3416#if defined(WIN32)
3417# define YYTOKENTYPE
3418#endif
3419#include "perly.h"
3420
3421#ifdef PERL_MAD
3422struct nexttoken {
3423 YYSTYPE next_val; /* value of next token, if any */
3424 I32 next_type; /* type of next token */
3425 MADPROP *next_mad; /* everything else about that token */
3426};
3427#endif
3428
654eccd5
JD		 3429/* macros to define bit-fields in structs. */
3430#ifndef PERL_BITFIELD8
3431# define PERL_BITFIELD8 unsigned
3432#endif
3433#ifndef PERL_BITFIELD16
3434# define PERL_BITFIELD16 unsigned
3435#endif
3436#ifndef PERL_BITFIELD32
3437# define PERL_BITFIELD32 unsigned
3438#endif
3439
79072805 3440#include "sv.h"
288b8c02 3441#include "regexp.h"
378cc40b 3442#include "util.h"
8d063cd8 3443#include "form.h"
79072805 3444#include "gv.h"
dd2155a4 3445#include "pad.h"
79072805 3446#include "cv.h"
abdd5c84 3447#include "opnames.h"
79072805 3448#include "op.h"
b3ca2e83 3449#include "hv.h"
79072805
LW		 3450#include "cop.h"
3451#include "av.h"
79072805
LW		 3452#include "mg.h"
3453#include "scope.h"
4438c4b7 3454#include "warnings.h"
a0ed51b3 3455#include "utf8.h"
8d063cd8 3456
0d7d409d
DM		 3457/* these would be in doio.h if there was such a file */
3458#define my_stat() my_stat_flags(SV_GMAGIC)
3459#define my_lstat() my_lstat_flags(SV_GMAGIC)
3460
20f4945e 3461/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3462#undef _XPV_HEAD
3463#undef _XPVMG_HEAD
3464#undef _XPVCV_COMMON
7fae4e64
GS		 3465
3466typedef struct _sublex_info SUBLEXINFO;
3467struct _sublex_info {
651b5b28
NC		 3468 U8 super_state; /* lexer state to save */
3469 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3470 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3471 char *super_bufptr; /* PL_parser->bufptr that was */
3472 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3473};
3474
199e78b7
DM		 3475#include "parser.h"
3476
455ece5e 3477typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3478
2c2d71f5 3479struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3480struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3481
5f7fde29
GS		 3482struct ptr_tbl_ent {
3483 struct ptr_tbl_ent* next;
53c1dcc0 3484 const void* oldval;
5f7fde29 3485 void* newval;
d18c6117
GS		 3486};
3487
5f7fde29
GS		 3488struct ptr_tbl {
3489 struct ptr_tbl_ent** tbl_ary;
3490 UV tbl_max;
3491 UV tbl_items;
db93c0c4
NC		 3492 struct ptr_tbl_arena *tbl_arena;
3493 struct ptr_tbl_ent *tbl_arena_next;
3494 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3495};
3496
450a55e4 3497#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3498# define I286
3499#endif
3500
fe14fcc3
LW		 3501#if defined(htonl) && !defined(HAS_HTONL)
3502#define HAS_HTONL
ae986130 3503#endif
fe14fcc3
LW		 3504#if defined(htons) && !defined(HAS_HTONS)
3505#define HAS_HTONS
ae986130 3506#endif
fe14fcc3
LW		 3507#if defined(ntohl) && !defined(HAS_NTOHL)
3508#define HAS_NTOHL
ae986130 3509#endif
fe14fcc3
LW		 3510#if defined(ntohs) && !defined(HAS_NTOHS)
3511#define HAS_NTOHS
ae986130 3512#endif
fe14fcc3 3513#ifndef HAS_HTONL
d9d8d8de 3514#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3515#define HAS_HTONS
3516#define HAS_HTONL
3517#define HAS_NTOHS
3518#define HAS_NTOHL
a687059c
LW		 3519#define MYSWAP
3520#define htons my_swap
3521#define htonl my_htonl
3522#define ntohs my_swap
3523#define ntohl my_ntohl
3524#endif
3525#else
d9d8d8de 3526#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3527#undef HAS_HTONS
3528#undef HAS_HTONL
3529#undef HAS_NTOHS
3530#undef HAS_NTOHL
a687059c
LW		 3531#endif
3532#endif
3533
988174c1
LW		 3534/*
3535 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3536 * -DWS
3537 */
3538#if BYTEORDER != 0x1234
3539# define HAS_VTOHL
3540# define HAS_VTOHS
3541# define HAS_HTOVL
3542# define HAS_HTOVS
c67712b2 3543# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3544# define vtohl(x) ((((x)&0xFF)<<24) \
3545 +(((x)>>24)&0xFF) \
3546 +(((x)&0x0000FF00)<<8) \
3547 +(((x)&0x00FF0000)>>8) )
3548# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3549# define htovl(x) vtohl(x)
3550# define htovs(x) vtohs(x)
3551# endif
3552 /* otherwise default to functions in util.c */
2a8c3029 3553#ifndef htovs
c623ac67
GS		 3554short htovs(short n);
3555short vtohs(short n);
3556long htovl(long n);
3557long vtohl(long n);
988174c1 3558#endif
2a8c3029 3559#endif
988174c1 3560
3bb7c1b4
JH		 3561/* *MAX Plus 1. A floating point value.
3562 Hopefully expressed in a way that dodgy floating point can't mess up.
3563 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3564 is added to it
3565 May find that some broken compiler will want the value cast to I32.
3566 [after the shift, as signed >> may not be as secure as unsigned >>]
3567*/
3568#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3569#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3570/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3571 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3572 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3573*/
3574#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3575
3bb7c1b4
JH		 3576#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3577#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3578#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3579
3580/* This may look like unnecessary jumping through hoops, but converting
3581 out of range floating point values to integers *is* undefined behaviour,
3582 and it is starting to bite.
3583*/
3584#ifndef CAST_INLINE
65202027 3585#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3586#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3587#define I_V(what) (cast_iv((NV)(what)))
3588#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3589#else
3590#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3591 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3592 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3593#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3594 : ((n) < U32_MAX_P1 ? (U32) (n) \
3595 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3596#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3597 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3598 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3599#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3600 : ((n) < UV_MAX_P1 ? (UV) (n) \
3601 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3602#endif
3603
3604#define U_S(what) ((U16)U_32(what))
3605#define U_I(what) ((unsigned int)U_32(what))
3606#define U_L(what) U_32(what)
ed6116ce 3607
ed140128
AD		 3608#ifdef HAS_SIGNBIT
3609# define Perl_signbit signbit
3610#endif
3611
2d4389e4
JH		 3612/* These do not care about the fractional part, only about the range. */
3613#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3614#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3615
25da4f38
IZ		 3616/* Used with UV/IV arguments: */
3617 /* XXXX: need to speed it up */
3618#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3619#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3620
352d5a3a
LW		 3621#ifndef MAXSYSFD
3622# define MAXSYSFD 2
3623#endif
ee0007ab 3624
79072805 3625#ifndef __cplusplus
27da23d5 3626#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3627Uid_t getuid (void);
3628Uid_t geteuid (void);
3629Gid_t getgid (void);
3630Gid_t getegid (void);
79072805 3631#endif
e1caacb4 3632#endif
8d063cd8 3633
0c30d9ec 3634#ifndef Perl_debug_log
bf49b057
GS		 3635# define Perl_debug_log PerlIO_stderr()
3636#endif
3637
3638#ifndef Perl_error_log
3639# define Perl_error_log (PL_stderrgv \
6b78add2 3640 && isGV(PL_stderrgv) \
01bb7c6d 3641 && GvIOp(PL_stderrgv) \
42de951c 3642 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3643 ? IoOFP(GvIOp(PL_stderrgv)) \
3644 : PerlIO_stderr())
0c30d9ec 3645#endif
3967c732 3646
aea4f609
DM		 3647
3648#define DEBUG_p_FLAG 0x00000001 /* 1 */
3649#define DEBUG_s_FLAG 0x00000002 /* 2 */
3650#define DEBUG_l_FLAG 0x00000004 /* 4 */
3651#define DEBUG_t_FLAG 0x00000008 /* 8 */
3652#define DEBUG_o_FLAG 0x00000010 /* 16 */
3653#define DEBUG_c_FLAG 0x00000020 /* 32 */
3654#define DEBUG_P_FLAG 0x00000040 /* 64 */
3655#define DEBUG_m_FLAG 0x00000080 /* 128 */
3656#define DEBUG_f_FLAG 0x00000100 /* 256 */
3657#define DEBUG_r_FLAG 0x00000200 /* 512 */
3658#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3659#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3660/* U is reserved for Unofficial, exploratory hacking */
3661#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3662#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3663#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3664#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3665/* 0x00010000 is unused, used to be S */
aea4f609 3666#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3667#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3668#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3669#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3670#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3671#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3672#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3673#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3674#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3675#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3676
3677#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3678#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3679 that something was done? */
aea4f609 3680
bd16a5f0
IZ		 3681# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3682# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3683# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3684# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3685# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3686# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3687# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3688# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3689# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3690# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3691# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3692# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3693# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3694# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3695# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3696# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3697# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3698# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3699# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3700# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3701# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3702# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3703# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3704# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3705# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3706# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3707# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3708# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3709
3967c732 3710#ifdef DEBUGGING
aea4f609 3711
bd16a5f0
IZ		 3712# define DEBUG_p_TEST DEBUG_p_TEST_
3713# define DEBUG_s_TEST DEBUG_s_TEST_
3714# define DEBUG_l_TEST DEBUG_l_TEST_
3715# define DEBUG_t_TEST DEBUG_t_TEST_
3716# define DEBUG_o_TEST DEBUG_o_TEST_
3717# define DEBUG_c_TEST DEBUG_c_TEST_
3718# define DEBUG_P_TEST DEBUG_P_TEST_
3719# define DEBUG_m_TEST DEBUG_m_TEST_
3720# define DEBUG_f_TEST DEBUG_f_TEST_
3721# define DEBUG_r_TEST DEBUG_r_TEST_
3722# define DEBUG_x_TEST DEBUG_x_TEST_
3723# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3724# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3725# define DEBUG_H_TEST DEBUG_H_TEST_
3726# define DEBUG_X_TEST DEBUG_X_TEST_
3727# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3728# define DEBUG_T_TEST DEBUG_T_TEST_
3729# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3730# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3731# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3732# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3733# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3734# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3735# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3736# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3737# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3738# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3739# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3740
488b0c7a
JH		 3741# define PERL_DEB(a) a
3742# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3743# define DEBUG_p(a) if (DEBUG_p_TEST) a
3744# define DEBUG_s(a) if (DEBUG_s_TEST) a
3745# define DEBUG_l(a) if (DEBUG_l_TEST) a
3746# define DEBUG_t(a) if (DEBUG_t_TEST) a
3747# define DEBUG_o(a) if (DEBUG_o_TEST) a
3748# define DEBUG_c(a) if (DEBUG_c_TEST) a
3749# define DEBUG_P(a) if (DEBUG_P_TEST) a
3750
969058bb
VK		 3751 /* Temporarily turn off memory debugging in case the a
3752 * does memory allocation, either directly or indirectly. */
acfe0abc 3753# define DEBUG_m(a) \
0b250b9e 3754 STMT_START { \
aea4f609 3755 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3756 } STMT_END
aea4f609 3757
5f80b19c
AMS		 3758# define DEBUG__(t, a) \
3759 STMT_START { \
3760 if (t) STMT_START {a;} STMT_END; \
3761 } STMT_END
3762
3763# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3764#ifndef PERL_EXT_RE_BUILD
5f80b19c 3765# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3766#else
3767# define DEBUG_r(a) STMT_START {a;} STMT_END
3768#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3769# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3770# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3771# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3772# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3773# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3774# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3775# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3776# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3777# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3778
5f80b19c
AMS		 3779# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3780# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3781# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3782# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3783# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3784# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3785# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3786# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3787
3788#else /* DEBUGGING */
3789
3790# define DEBUG_p_TEST (0)
3791# define DEBUG_s_TEST (0)
3792# define DEBUG_l_TEST (0)
3793# define DEBUG_t_TEST (0)
3794# define DEBUG_o_TEST (0)
3795# define DEBUG_c_TEST (0)
3796# define DEBUG_P_TEST (0)
3797# define DEBUG_m_TEST (0)
3798# define DEBUG_f_TEST (0)
3799