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POSIX/t/posix.t expects a certain start to Makefile.PL
[perl5.git] / perl.h
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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
GS		 212#define STATIC static
213#define CPERLscope(x) x
565764a8 214#define CPERLarg void
76e3520e 215#define CPERLarg_
e3b8966e 216#define _CPERLarg
1d583055
GS		 217#define PERL_OBJECT_THIS
218#define _PERL_OBJECT_THIS
219#define PERL_OBJECT_THIS_
312caa8e 220#define CALL_FPTR(fptr) (*fptr)
76e3520e 221
312caa8e 222#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 223
3ab4a224 224#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 225
3ab4a224
AB		 226#define CALLREGCOMP_ENG(prog, sv, flags) \
227 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 228#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 229 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 230 (strbeg),(minend),(screamer),(data),(flags))
231#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 232 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 233 (strend),(flags),(data))
234#define CALLREG_INTUIT_STRING(prog) \
07bc277f 235 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 236
f8149455
YO		 237#define CALLREGFREE(prog) \
238 Perl_pregfree(aTHX_ (prog))
239
240#define CALLREGFREE_PVT(prog) \
07bc277f 241 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 242
2fdbfb4d 243#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 244 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 245
2fdbfb4d 246#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 247 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 248
249#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 250 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 251
192b9cd1 252#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 253 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 254
255#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 256 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 257
258#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 259 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 260
261#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 262 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 263
264#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 265 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 266
267#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 268 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 269
270#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 271 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 272
273#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 274 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 275
276#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 277 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 278
279#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 280 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 281
49d7dfbc 282#define CALLREG_PACKAGE(rx) \
07bc277f 283 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 284
00f254e2 285#if defined(USE_ITHREADS)
f9f4320a 286#define CALLREGDUPE(prog,param) \
f8149455
YO		 287 Perl_re_dup(aTHX_ (prog),(param))
288
289#define CALLREGDUPE_PVT(prog,param) \
07bc277f 290 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
00f254e2 291 : (REGEXP *)NULL)
f9f4320a 292#endif
14dd3ad8 293
a20207d7 294
bcdf7404 295
a20207d7
YO		 296
297
5ba4cab2
SH		 298/*
299 * Because of backward compatibility reasons the PERL_UNUSED_DECL
300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
301 *
302 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 303 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 304 * marking unused variables (they need e.g. a #pragma) and therefore
305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
307 *
308 */
1266ad8c 309
9969cdde 310#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 311# ifdef __cplusplus
5ba4cab2 312# define PERL_UNUSED_DECL
5b2bd0a5 313# else
5ba4cab2 314# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 315# endif
316#endif
44dbb695 317
5b2bd0a5 318#ifndef PERL_UNUSED_DECL
34659ad4 319# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 320# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 321# else
5ba4cab2 322# define PERL_UNUSED_DECL
b79c357a 323# endif
5b2bd0a5 324#endif
00f254e2 325
349b520e
DM		 326/* gcc -Wall:
327 * for silencing unused variables that are actually used most of the time,
a0288114 328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 329 */
53c1dcc0 330#ifndef PERL_UNUSED_ARG
c99ffe5e 331# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 332# include <note.h>
53c1dcc0 333# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 334# else
53c1dcc0 335# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 336# endif
337#endif
53c1dcc0
AL		 338#ifndef PERL_UNUSED_VAR
339# define PERL_UNUSED_VAR(x) ((void)x)
340#endif
ad73156c 341
96a5add6
AL		 342#ifdef USE_ITHREADS
343# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
344#else
345# define PERL_UNUSED_CONTEXT
346#endif
347
6f207bd3 348#define NOOP /*EMPTY*/(void)0
6b484a99
JH		 349#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
350#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
351#else
6f207bd3 352#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 353#endif
71be2cbc 354
0cb96387 355#ifndef pTHX
e8dda941
JD		 356/* Don't bother defining tTHX and sTHX; using them outside
357 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
358 */
0cb96387
GS		 359# define pTHX void
360# define pTHX_
0cb96387
GS		 361# define aTHX
362# define aTHX_
0cb96387
GS		 363# define dTHXa(a) dNOOP
364# define dTHX dNOOP
894356b3
GS		 365# define pTHX_1 1
366# define pTHX_2 2
367# define pTHX_3 3
368# define pTHX_4 4
3d42dc86
RGS		 369# define pTHX_5 5
370# define pTHX_6 6
a3b680e6
AL		 371# define pTHX_7 7
372# define pTHX_8 8
373# define pTHX_9 9
0cb96387
GS		 374#endif
375
27da23d5
JH		 376#ifndef dVAR
377# define dVAR dNOOP
378#endif
379
b4f7f263
GS		 380/* these are only defined for compatibility; should not be used internally */
381#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 382# define pTHXo pTHX
383# define pTHXo_ pTHX_
0cb96387
GS		 384# define aTHXo aTHX
385# define aTHXo_ aTHX_
c5be433b 386# define dTHXo dTHX
71d280e3 387# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 388#endif
389
390#ifndef pTHXx
391# define pTHXx register PerlInterpreter *my_perl
392# define pTHXx_ pTHXx,
0cb96387
GS		 393# define aTHXx my_perl
394# define aTHXx_ aTHXx,
c5be433b 395# define dTHXx dTHX
22c35a8c 396#endif
71be2cbc 397
1de7c2ac
GS		 398/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
399 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
400 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
401#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 402# ifdef PERL_GLOBAL_STRUCT_PRIVATE
403# define dTHXs dVAR; dTHX
404# else
405# define dTHXs dTHX
406# endif
1de7c2ac 407#else
27da23d5
JH		 408# ifdef PERL_GLOBAL_STRUCT_PRIVATE
409# define dTHXs dVAR
410# else
411# define dTHXs dNOOP
412# endif
1de7c2ac
GS		 413#endif
414
27da23d5
JH		 415/* Some platforms require marking function declarations
416 * for them to be exportable. Used in perlio.h, proto.h
417 * is handled either by the makedef.pl or by defining the
418 * PERL_CALLCONV to be something special. See also the
419 * definition of XS() in XSUB.h. */
420#ifndef PERL_EXPORT_C
a0c21aa1
JH		 421# ifdef __cplusplus
422# define PERL_EXPORT_C extern "C"
423# else
424# define PERL_EXPORT_C extern
425# endif
27da23d5
JH		 426#endif
427#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 428# ifdef __cplusplus
429# define PERL_XS_EXPORT_C extern "C"
430# else
431# define PERL_XS_EXPORT_C
432# endif
27da23d5
JH		 433#endif
434
462e5cf6
MB		 435#ifdef OP_IN_REGISTER
436# ifdef __GNUC__
437# define stringify_immed(s) #s
438# define stringify(s) stringify_immed(s)
d1ca3daa 439register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 440# endif
441#endif
442
e5afc1ae 443/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 444 * g++ allows them but seems to have problems with them
70aab261
RB		 445 * (insane errors ensue).
446 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
447 */
448#if defined(PERL_GCC_PEDANTIC) || \
449 (defined(__GNUC__) && defined(__cplusplus) && \
450 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 451# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 452# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
453# endif
5dc8bdac
JH		 454#endif
455
5b692037
JH		 456#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
457# ifndef PERL_USE_GCC_BRACE_GROUPS
458# define PERL_USE_GCC_BRACE_GROUPS
459# endif
460#endif
461
728e2803 462/*
463 * STMT_START { statements; } STMT_END;
464 * can be used as a single statement, as in
465 * if (x) STMT_START { ... } STMT_END; else ...
466 *
467 * Trying to select a version that gives no warnings...
468 */
469#if !(defined(STMT_START) && defined(STMT_END))
5b692037 470# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 471# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 472# define STMT_END )
473# else
474 /* Now which other defined()s do we need here ??? */
93189314 475# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 476# define STMT_START if (1)
477# define STMT_END else (void)0
478# else
479# define STMT_START do
480# define STMT_END while (0)
481# endif
482# endif
483#endif
484
0cb96387 485#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 486#define WITH_THR(s) WITH_THX(s)
ea0efc06 487
d6f9c181
JH		 488#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
489# define BYTEORDER 0x1234
79072805
LW		 490#endif
491
492/* Overall memory policy? */
493#ifndef CONSERVATIVE
494# define LIBERAL 1
495#endif
496
8ada0baa
JH		 497#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
498#define ASCIIish
499#else
500#undef ASCIIish
501#endif
502
79072805
LW		 503/*
504 * The following contortions are brought to you on behalf of all the
505 * standards, semi-standards, de facto standards, not-so-de-facto standards
506 * of the world, as well as all the other botches anyone ever thought of.
507 * The basic theory is that if we work hard enough here, the rest of the
508 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
509 */
ac58e20f 510
ee0007ab 511/* define this once if either system, instead of cluttering up the src */
2986a63f 512#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 513#define DOSISH 1
514#endif
515
fb38d079 516#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 517# define STANDARD_C 1
518#endif
519
9969cdde 520#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 521# define DONT_DECLARE_STD 1
522#endif
523
352d5a3a 524#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 525# define VOL volatile
663a0e37 526#else
79072805 527# define VOL
663a0e37
LW		 528#endif
529
3280af22
NIS		 530#define TAINT (PL_tainted = TRUE)
531#define TAINT_NOT (PL_tainted = FALSE)
532#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
533#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 534#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 535
d460ef45 536/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 537 defines move there? If so, I could simplify this a lot. --AD 9/96.
538*/
539/* Process group stuff changed from traditional BSD to POSIX.
540 perlfunc.pod documents the traditional BSD-style syntax, so we'll
541 try to preserve that, if possible.
542*/
543#ifdef HAS_SETPGID
544# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 545#else
a6e633de 546# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
547# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
548# else
549# ifdef HAS_SETPGRP2 /* DG/UX */
550# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
551# endif
552# endif
553#endif
554#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
555# define HAS_SETPGRP /* Well, effectively it does . . . */
556#endif
557
558/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
559 our life easier :-) so we'll try it.
560*/
561#ifdef HAS_GETPGID
562# define BSD_GETPGRP(pid) getpgid((pid))
563#else
564# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
565# define BSD_GETPGRP(pid) getpgrp((pid))
566# else
567# ifdef HAS_GETPGRP2 /* DG/UX */
568# define BSD_GETPGRP(pid) getpgrp2((pid))
569# endif
570# endif
571#endif
572#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
573# define HAS_GETPGRP /* Well, effectively it does . . . */
574#endif
575
d460ef45 576/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 577 have different behaviors, but perl.h used to define USE_BSDPGRP
578 (prior to 5.003_05) so some extension might depend on it.
579*/
580#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
581# ifndef USE_BSDPGRP
582# define USE_BSDPGRP
583# endif
663a0e37
LW		 584#endif
585
8ac5a1fe
MH		 586/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
587 pthread.h must be included before all other header files.
588*/
3db8f154 589#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 590# include <pthread.h>
591#endif
592
760ac839
LW		 593#ifndef _TYPES_ /* If types.h defines this it's easy. */
594# ifndef major /* Does everyone's types.h define this? */
595# include <sys/types.h>
c07a80fd 596# endif
663a0e37
LW		 597#endif
598
760ac839
LW		 599#ifdef __cplusplus
600# ifndef I_STDARG
601# define I_STDARG 1
602# endif
603#endif
604
605#ifdef I_STDARG
606# include <stdarg.h>
607#else
608# ifdef I_VARARGS
609# include <varargs.h>
610# endif
611#endif
612
4633a7c4 613#ifdef USE_NEXT_CTYPE
0c30d9ec 614
092bebab
JH		 615#if NX_CURRENT_COMPILER_RELEASE >= 500
616# include <bsd/ctypes.h>
617#else
618# if NX_CURRENT_COMPILER_RELEASE >= 400
619# include <objc/NXCType.h>
620# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
621# include <appkit/NXCType.h>
622# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
623#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 624
625#else /* !USE_NEXT_CTYPE */
fe14fcc3 626#include <ctype.h>
0c30d9ec 627#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 628
629#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
630#undef METHOD
a0d0e21e
LW		 631#endif
632
12ae5dfc
JH		 633#ifdef PERL_MICRO
634# define NO_LOCALE
635#endif
636
4633a7c4 637#ifdef I_LOCALE
36477c24 638# include <locale.h>
4633a7c4
LW		 639#endif
640
36477c24 641#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
642# define USE_LOCALE
643# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
644 && defined(HAS_STRXFRM)
645# define USE_LOCALE_COLLATE
646# endif
647# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
648# define USE_LOCALE_CTYPE
649# endif
650# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
651# define USE_LOCALE_NUMERIC
652# endif
653#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 654
fe14fcc3 655#include <setjmp.h>
79072805 656
a0d0e21e 657#ifdef I_SYS_PARAM
79072805
LW		 658# ifdef PARAM_NEEDS_TYPES
659# include <sys/types.h>
660# endif
661# include <sys/param.h>
352d5a3a 662#endif
79072805 663
79072805 664/* Use all the "standard" definitions? */
a0d0e21e 665#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 666# include <stdlib.h>
ff68c719 667#endif
03a14243 668
3f270f98
JH		 669/* If this causes problems, set i_unistd=undef in the hint file. */
670#ifdef I_UNISTD
671# include <unistd.h>
672#endif
673
de8ca8af
NT		 674/* for WCOREDUMP */
675#ifdef I_SYS_WAIT
676# include <sys/wait.h>
677#endif
678
9969cdde 679#ifdef __SYMBIAN32__
27da23d5
JH		 680# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
681#endif
682
7114a2d2 683#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 684EXTERN_C int syscall(int, ...);
2ef53570
JH		 685#endif
686
7114a2d2 687#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 688EXTERN_C int usleep(unsigned int);
2ef53570
JH		 689#endif
690
9c12f1e5
RGS		 691/* Funky places that do not have socket stuff. */
692#if defined(__LIBCATAMOUNT__)
693# define MYSWAP
694#endif
695
9a34ef1d
GS		 696#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
697# define MYSWAP
698#endif
699
1109a392
MHM		 700#ifdef PERL_CORE
701
702/* macros for correct constant construction */
703# if INTSIZE >= 2
704# define U16_CONST(x) ((U16)x##U)
705# else
706# define U16_CONST(x) ((U16)x##UL)
707# endif
708
709# if INTSIZE >= 4
710# define U32_CONST(x) ((U32)x##U)
711# else
712# define U32_CONST(x) ((U32)x##UL)
713# endif
714
715# ifdef HAS_QUAD
716# if INTSIZE >= 8
717# define U64_CONST(x) ((U64)x##U)
718# elif LONGSIZE >= 8
719# define U64_CONST(x) ((U64)x##UL)
720# elif QUADKIND == QUAD_IS_LONG_LONG
721# define U64_CONST(x) ((U64)x##ULL)
722# else /* best guess we can make */
723# define U64_CONST(x) ((U64)x##UL)
724# endif
725# endif
726
727/* byte-swapping functions for big-/little-endian conversion */
728# define _swab_16_(x) ((U16)( \
729 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
730 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
731
732# define _swab_32_(x) ((U32)( \
733 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
734 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
735 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
736 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
737
738# ifdef HAS_QUAD
739# define _swab_64_(x) ((U64)( \
740 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
741 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
742 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
743 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
744 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
745 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
746 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
747 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
748# endif
749
750/*----------------------------------------------------------------------------*/
751# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
752/*----------------------------------------------------------------------------*/
753# define my_htole16(x) (x)
754# define my_letoh16(x) (x)
755# define my_htole32(x) (x)
756# define my_letoh32(x) (x)
757# define my_htobe16(x) _swab_16_(x)
758# define my_betoh16(x) _swab_16_(x)
759# define my_htobe32(x) _swab_32_(x)
760# define my_betoh32(x) _swab_32_(x)
761# ifdef HAS_QUAD
762# define my_htole64(x) (x)
763# define my_letoh64(x) (x)
764# define my_htobe64(x) _swab_64_(x)
765# define my_betoh64(x) _swab_64_(x)
766# endif
767# define my_htoles(x) (x)
768# define my_letohs(x) (x)
769# define my_htolei(x) (x)
770# define my_letohi(x) (x)
771# define my_htolel(x) (x)
772# define my_letohl(x) (x)
773# if SHORTSIZE == 1
774# define my_htobes(x) (x)
775# define my_betohs(x) (x)
776# elif SHORTSIZE == 2
777# define my_htobes(x) _swab_16_(x)
778# define my_betohs(x) _swab_16_(x)
779# elif SHORTSIZE == 4
780# define my_htobes(x) _swab_32_(x)
781# define my_betohs(x) _swab_32_(x)
782# elif SHORTSIZE == 8
783# define my_htobes(x) _swab_64_(x)
784# define my_betohs(x) _swab_64_(x)
785# else
786# define PERL_NEED_MY_HTOBES
787# define PERL_NEED_MY_BETOHS
788# endif
789# if INTSIZE == 1
790# define my_htobei(x) (x)
791# define my_betohi(x) (x)
792# elif INTSIZE == 2
793# define my_htobei(x) _swab_16_(x)
794# define my_betohi(x) _swab_16_(x)
795# elif INTSIZE == 4
796# define my_htobei(x) _swab_32_(x)
797# define my_betohi(x) _swab_32_(x)
798# elif INTSIZE == 8
799# define my_htobei(x) _swab_64_(x)
800# define my_betohi(x) _swab_64_(x)
801# else
802# define PERL_NEED_MY_HTOBEI
803# define PERL_NEED_MY_BETOHI
804# endif
805# if LONGSIZE == 1
806# define my_htobel(x) (x)
807# define my_betohl(x) (x)
808# elif LONGSIZE == 2
809# define my_htobel(x) _swab_16_(x)
810# define my_betohl(x) _swab_16_(x)
811# elif LONGSIZE == 4
812# define my_htobel(x) _swab_32_(x)
813# define my_betohl(x) _swab_32_(x)
814# elif LONGSIZE == 8
815# define my_htobel(x) _swab_64_(x)
816# define my_betohl(x) _swab_64_(x)
817# else
818# define PERL_NEED_MY_HTOBEL
819# define PERL_NEED_MY_BETOHL
820# endif
821# define my_htolen(p,n) NOOP
822# define my_letohn(p,n) NOOP
823# define my_htoben(p,n) my_swabn(p,n)
824# define my_betohn(p,n) my_swabn(p,n)
825/*----------------------------------------------------------------------------*/
826# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
827/*----------------------------------------------------------------------------*/
828# define my_htobe16(x) (x)
829# define my_betoh16(x) (x)
830# define my_htobe32(x) (x)
831# define my_betoh32(x) (x)
832# define my_htole16(x) _swab_16_(x)
833# define my_letoh16(x) _swab_16_(x)
834# define my_htole32(x) _swab_32_(x)
835# define my_letoh32(x) _swab_32_(x)
836# ifdef HAS_QUAD
837# define my_htobe64(x) (x)
838# define my_betoh64(x) (x)
839# define my_htole64(x) _swab_64_(x)
840# define my_letoh64(x) _swab_64_(x)
841# endif
842# define my_htobes(x) (x)
843# define my_betohs(x) (x)
844# define my_htobei(x) (x)
845# define my_betohi(x) (x)
846# define my_htobel(x) (x)
847# define my_betohl(x) (x)
848# if SHORTSIZE == 1
849# define my_htoles(x) (x)
850# define my_letohs(x) (x)
851# elif SHORTSIZE == 2
852# define my_htoles(x) _swab_16_(x)
853# define my_letohs(x) _swab_16_(x)
854# elif SHORTSIZE == 4
855# define my_htoles(x) _swab_32_(x)
856# define my_letohs(x) _swab_32_(x)
857# elif SHORTSIZE == 8
858# define my_htoles(x) _swab_64_(x)
859# define my_letohs(x) _swab_64_(x)
860# else
861# define PERL_NEED_MY_HTOLES
862# define PERL_NEED_MY_LETOHS
863# endif
864# if INTSIZE == 1
865# define my_htolei(x) (x)
866# define my_letohi(x) (x)
867# elif INTSIZE == 2
868# define my_htolei(x) _swab_16_(x)
869# define my_letohi(x) _swab_16_(x)
870# elif INTSIZE == 4
871# define my_htolei(x) _swab_32_(x)
872# define my_letohi(x) _swab_32_(x)
873# elif INTSIZE == 8
874# define my_htolei(x) _swab_64_(x)
875# define my_letohi(x) _swab_64_(x)
876# else
877# define PERL_NEED_MY_HTOLEI
878# define PERL_NEED_MY_LETOHI
879# endif
880# if LONGSIZE == 1
881# define my_htolel(x) (x)
882# define my_letohl(x) (x)
883# elif LONGSIZE == 2
884# define my_htolel(x) _swab_16_(x)
885# define my_letohl(x) _swab_16_(x)
886# elif LONGSIZE == 4
887# define my_htolel(x) _swab_32_(x)
888# define my_letohl(x) _swab_32_(x)
889# elif LONGSIZE == 8
890# define my_htolel(x) _swab_64_(x)
891# define my_letohl(x) _swab_64_(x)
892# else
893# define PERL_NEED_MY_HTOLEL
894# define PERL_NEED_MY_LETOHL
895# endif
896# define my_htolen(p,n) my_swabn(p,n)
897# define my_letohn(p,n) my_swabn(p,n)
898# define my_htoben(p,n) NOOP
899# define my_betohn(p,n) NOOP
900/*----------------------------------------------------------------------------*/
901# else /* all other byte-orders */
902/*----------------------------------------------------------------------------*/
903# define PERL_NEED_MY_HTOLE16
904# define PERL_NEED_MY_LETOH16
905# define PERL_NEED_MY_HTOBE16
906# define PERL_NEED_MY_BETOH16
907# define PERL_NEED_MY_HTOLE32
908# define PERL_NEED_MY_LETOH32
909# define PERL_NEED_MY_HTOBE32
910# define PERL_NEED_MY_BETOH32
911# ifdef HAS_QUAD
912# define PERL_NEED_MY_HTOLE64
913# define PERL_NEED_MY_LETOH64
914# define PERL_NEED_MY_HTOBE64
915# define PERL_NEED_MY_BETOH64
916# endif
917# define PERL_NEED_MY_HTOLES
918# define PERL_NEED_MY_LETOHS
919# define PERL_NEED_MY_HTOBES
920# define PERL_NEED_MY_BETOHS
921# define PERL_NEED_MY_HTOLEI
922# define PERL_NEED_MY_LETOHI
923# define PERL_NEED_MY_HTOBEI
924# define PERL_NEED_MY_BETOHI
925# define PERL_NEED_MY_HTOLEL
926# define PERL_NEED_MY_LETOHL
927# define PERL_NEED_MY_HTOBEL
928# define PERL_NEED_MY_BETOHL
929/*----------------------------------------------------------------------------*/
930# endif /* end of byte-order macros */
931/*----------------------------------------------------------------------------*/
932
9c17f24a
NC		 933/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
934 at least on FreeBSD. YMMV, so experiment. */
935#ifndef PERL_ARENA_SIZE
936#define PERL_ARENA_SIZE 4080
937#endif
938
ccb2c8b8 939/* Maximum level of recursion */
2b9dff67
RGS		 940#ifndef PERL_SUB_DEPTH_WARN
941#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 942#endif
943
1109a392
MHM		 944#endif /* PERL_CORE */
945
bdf3085f
NC		 946/* We no longer default to creating a new SV for GvSV.
947 Do this before embed. */
948#ifndef PERL_CREATE_GVSV
7459f06b
NC		 949# ifndef PERL_DONT_CREATE_GVSV
950# define PERL_DONT_CREATE_GVSV
951# endif
bdf3085f
NC		 952#endif
953
ca0c25f6
NC		 954#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
955#define PERL_USES_PL_PIDSTATUS
956#endif
957
e37778c2 958#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS		 959#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
960#endif
961
00f254e2 962/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 963 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
964 */
96e176bf 965#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 966# include "embed.h"
eb8433b7
NC		 967# ifndef PERL_MAD
968# undef op_getmad
b3f24c00 969# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 970# endif
cea2e8a9
GS		 971#endif
972
c31fac66
GS		 973#define MEM_SIZE Size_t
974
1936d2a7
NC		 975/* Round all values passed to malloc up, by default to a multiple of
976 sizeof(size_t)
977*/
978#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
979#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
980#endif
981
51371543
GS		 982#if defined(STANDARD_C) && defined(I_STDDEF)
983# include <stddef.h>
984# define STRUCT_OFFSET(s,m) offsetof(s,m)
985#else
986# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
987#endif
988
9969cdde 989#ifndef __SYMBIAN32__
27da23d5
JH		 990# if defined(I_STRING) || defined(__cplusplus)
991# include <string.h>
992# else
993# include <strings.h>
994# endif
51371543
GS		 995#endif
996
55497cff 997/* This comes after <stdlib.h> so we don't try to change the standard
998 * library prototypes; we'll use our own in proto.h instead. */
03a14243 999
4633a7c4 1000#ifdef MYMALLOC
86058a2d 1001# ifdef PERL_POLLUTE_MALLOC
ee13e175 1002# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1003# define Perl_malloc malloc
1004# define Perl_calloc calloc
1005# define Perl_realloc realloc
1006# define Perl_mfree free
ee13e175 1007# endif
86058a2d
GS		 1008# else
1009# define EMBEDMYMALLOC /* for compatibility */
1010# endif
827e134a 1011
651b9576
GS		 1012# define safemalloc Perl_malloc
1013# define safecalloc Perl_calloc
1014# define saferealloc Perl_realloc
1015# define safefree Perl_mfree
22f7c9c9
JH		 1016# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1017 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1018 code; \
1019 } STMT_END
1020# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1021 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1022# define panic_write2(s) write(2, s, strlen(s))
1023# define CHECK_MALLOC_TAINT(newval) \
1024 CHECK_MALLOC_TOO_LATE_FOR_( \
1025 if (newval) { \
1026 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1027 exit(1); })
22f7c9c9 1028# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1029 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1030 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1031 }} STMT_END;
f2517201
GS		 1032#else /* MYMALLOC */
1033# define safemalloc safesysmalloc
1034# define safecalloc safesyscalloc
1035# define saferealloc safesysrealloc
1036# define safefree safesysfree
22f7c9c9
JH		 1037# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1038# define CHECK_MALLOC_TAINT(newval) ((void)0)
1039# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1040#endif /* MYMALLOC */
4633a7c4 1041
fe13d51d 1042/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1043#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		 1044#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1045#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1046#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1047
a0d0e21e
LW		 1048#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1049#define strchr index
1050#define strrchr rindex
1051#endif
1052
16d20bd9
AD		 1053#ifdef I_MEMORY
1054# include <memory.h>
1055#endif
1056
fe14fcc3 1057#ifdef HAS_MEMCPY
85e6fe83 1058# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1059# ifndef memcpy
20ce7b12 1060 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1061# endif
1062# endif
1063#else
1064# ifndef memcpy
1065# ifdef HAS_BCOPY
1066# define memcpy(d,s,l) bcopy(s,d,l)
1067# else
1068# define memcpy(d,s,l) my_bcopy(s,d,l)
1069# endif
1070# endif
1071#endif /* HAS_MEMCPY */
fe14fcc3 1072
ee0007ab 1073#ifdef HAS_MEMSET
85e6fe83 1074# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1075# ifndef memset
20ce7b12 1076 extern char *memset (char*, int, int);
ee0007ab
LW		 1077# endif
1078# endif
ee0007ab 1079#else
12ae5dfc 1080# undef memset
fc36a67e 1081# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1082#endif /* HAS_MEMSET */
1083
85e6fe83 1084#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1085# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1086# define memmove(d,s,l) bcopy(s,d,l)
1087# else
2304df62 1088# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1089# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1090# else
79072805 1091# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1092# endif
352d5a3a 1093# endif
d9d8d8de 1094#endif
ee0007ab 1095
36477c24 1096#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1097# undef HAS_MEMCMP
1098#endif
1099
1100#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1101# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1102# ifndef memcmp
20ce7b12 1103 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1104# endif
1105# endif
36477c24 1106# ifdef BUGGY_MSC
7e4e8c89 1107# pragma function(memcmp)
36477c24 1108# endif
ee0007ab
LW		 1109#else
1110# ifndef memcmp
ecfc5424 1111# define memcmp my_memcmp
352d5a3a 1112# endif
36477c24 1113#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1114
fc36a67e 1115#ifndef memzero
c635e13b 1116# ifdef HAS_MEMSET
1117# define memzero(d,l) memset(d,0,l)
79072805 1118# else
c635e13b 1119# ifdef HAS_BZERO
1120# define memzero(d,l) bzero(d,l)
79072805 1121# else
fc36a67e 1122# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1123# endif
1124# endif
d9d8d8de 1125#endif
378cc40b 1126
2f42fcb0 1127#ifndef PERL_MICRO
0f27ced1
JH		 1128#ifndef memchr
1129# ifndef HAS_MEMCHR
1130# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1131# endif
1132#endif
2f42fcb0 1133#endif
0f27ced1 1134
36477c24 1135#ifndef HAS_BCMP
1136# ifndef bcmp
1137# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1138# endif
36477c24 1139#endif /* !HAS_BCMP */
378cc40b 1140
ae986130 1141#ifdef I_NETINET_IN
79072805 1142# include <netinet/in.h>
ae986130
LW		 1143#endif
1144
28e8609d
JH		 1145#ifdef I_ARPA_INET
1146# include <arpa/inet.h>
1147#endif
1148
84902520
TB		 1149#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1150/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1151 * (the neo-BSD seem to do this). */
1152# undef SF_APPEND
1153#endif
1154
1aef975c 1155#ifdef I_SYS_STAT
84902520 1156# include <sys/stat.h>
1aef975c 1157#endif
79072805 1158
287a962e
JD		 1159/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1160 This definition should ideally go into win32/win32.h, but S_IFIFO is
1161 used later here in perl.h before win32/win32.h is being included. */
1162#if !defined(S_IFIFO) && defined(_S_IFIFO)
1163# define S_IFIFO _S_IFIFO
1164#endif
1165
a0d0e21e
LW		 1166/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1167 like UTekV) are broken, sometimes giving false positives. Undefine
1168 them here and let the code below set them to proper values.
1169
1170 The ghs macro stands for GreenHills Software C-1.8.5 which
1171 is the C compiler for sysV88 and the various derivatives.
1172 This header file bug is corrected in gcc-2.5.8 and later versions.
1173 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1174
1175#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1176# undef S_ISDIR
1177# undef S_ISCHR
1178# undef S_ISBLK
1179# undef S_ISREG
1180# undef S_ISFIFO
1181# undef S_ISLNK
ee0007ab 1182#endif
135863df 1183
663a0e37
LW		 1184#ifdef I_TIME
1185# include <time.h>
ffed7fef 1186#endif
663a0e37 1187
fe14fcc3 1188#ifdef I_SYS_TIME
85e6fe83 1189# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1190# define KERNEL
1191# endif
1192# include <sys/time.h>
85e6fe83 1193# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1194# undef KERNEL
1195# endif
a687059c 1196#endif
135863df 1197
55497cff 1198#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1199# include <sys/times.h>
d9d8d8de 1200#endif
8d063cd8 1201
fe14fcc3 1202#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1203# undef HAS_STRERROR
663a0e37
LW		 1204#endif
1205
1206#include <errno.h>
1e743fda 1207
acfe0abc 1208#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1209# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1210#endif
1211
8cfab5ff 1212/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1213 * This is important for using IPv6.
8cfab5ff
JH		 1214 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1215 * a bad idea since it breaks send() and recv(). */
1216#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1217# define _SOCKADDR_LEN
1218#endif
1219
8d3f517a 1220#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1221# include <sys/socket.h>
1222# if defined(USE_SOCKS) && defined(I_SOCKS)
1223# if !defined(INCLUDE_PROTOTYPES)
1224# define INCLUDE_PROTOTYPES /* for <socks.h> */
1225# define PERL_SOCKS_NEED_PROTOTYPES
1226# endif
1227# include <socks.h>
1228# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1229# undef INCLUDE_PROTOTYPES
1230# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1231# endif
d460ef45 1232# endif
1e743fda 1233# ifdef I_NETDB
2986a63f
JH		 1234# ifdef NETWARE
1235# include<stdio.h>
1236# endif
1e743fda
JH		 1237# include <netdb.h>
1238# endif
1239# ifndef ENOTSOCK
1240# ifdef I_NET_ERRNO
1241# include <net/errno.h>
1242# endif
1243# endif
1244#endif
1245
fa0a29af 1246/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1247 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1248 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1249#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1250# if defined(__THROW) && defined(__GLIBC__)
1251int sockatmark(int) __THROW;
1252# else
2ef53570 1253int sockatmark(int);
29820b6d 1254# endif
2ef53570
JH		 1255#endif
1256
7e827271 1257#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		 1258EXTERN_C int fchdir(int);
1259EXTERN_C int flock(int, int);
1260EXTERN_C int fseeko(FILE *, off_t, int);
1261EXTERN_C off_t ftello(FILE *);
1262#endif
1263
7e827271 1264#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1265EXTERN_C char *crypt(const char *, const char *);
7e827271 1266EXTERN_C char **environ;
1ccb7c8d
JH		 1267#endif
1268
83a6ff2e 1269#if defined(__cplusplus)
944c4fda 1270# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1271EXTERN_C char **environ;
83a6ff2e 1272# elif defined(__CYGWIN__)
667e2948
SP		 1273EXTERN_C char *crypt(const char *, const char *);
1274#endif
83a6ff2e 1275#endif
667e2948 1276
1e743fda
JH		 1277#ifdef SETERRNO
1278# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1279#endif
f86702cc 1280
1281#ifdef VMS
1282# define SETERRNO(errcode,vmserrcode) \
1283 STMT_START { \
1284 set_errno(errcode); \
1285 set_vaxc_errno(vmserrcode); \
1286 } STMT_END
4ee39169
CS		 1287# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1288# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1289# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1290# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1291
93189314
JH		 1292# define LIB_INVARG LIB$_INVARG
1293# define RMS_DIR RMS$_DIR
1294# define RMS_FAC RMS$_FAC
1295# define RMS_FEX RMS$_FEX
1296# define RMS_FNF RMS$_FNF
1297# define RMS_IFI RMS$_IFI
1298# define RMS_ISI RMS$_ISI
1299# define RMS_PRV RMS$_PRV
1300# define SS_ACCVIO SS$_ACCVIO
1301# define SS_DEVOFFLINE SS$_DEVOFFLINE
1302# define SS_IVCHAN SS$_IVCHAN
1303# define SS_NORMAL SS$_NORMAL
748a9306 1304#else
aba27d88 1305# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1306# define dSAVEDERRNO int saved_errno
1307# define dSAVE_ERRNO int saved_errno = errno
1308# define SAVE_ERRNO (saved_errno = errno)
1309# define RESTORE_ERRNO (errno = saved_errno)
1310
93189314
JH		 1311# define LIB_INVARG 0
1312# define RMS_DIR 0
1313# define RMS_FAC 0
1314# define RMS_FEX 0
1315# define RMS_FNF 0
1316# define RMS_IFI 0
1317# define RMS_ISI 0
1318# define RMS_PRV 0
1319# define SS_ACCVIO 0
1320# define SS_DEVOFFLINE 0
1321# define SS_IVCHAN 0
1322# define SS_NORMAL 0
748a9306 1323#endif
ed6116ce 1324
f5fa9033 1325#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1326
1327#define CLEAR_ERRSV() STMT_START { \
1328 if (!GvSV(PL_errgv)) { \
1329 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1330 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1331 SvREFCNT_dec(GvSV(PL_errgv)); \
1332 GvSV(PL_errgv) = newSVpvs(""); \
1333 } else { \
1334 SV *const errsv = GvSV(PL_errgv); \
1335 sv_setpvs(errsv, ""); \
1336 if (SvMAGICAL(errsv)) { \
1337 mg_free(errsv); \
1338 } \
1339 SvPOK_only(errsv); \
1340 } \
1341 } STMT_END
1342
1343
414bf5ae
MHM		 1344#ifdef PERL_CORE
1345# define DEFSV (0 + GvSVn(PL_defgv))
1346#else
1347# define DEFSV GvSVn(PL_defgv)
1348#endif
1349#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1350#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1351
98eae8f5
GS		 1352#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1353
55497cff 1354#ifndef errno
5ff3f7a4
GS		 1355 extern int errno; /* ANSI allows errno to be an lvalue expr.
1356 * For example in multithreaded environments
1357 * something like this might happen:
1358 * extern int *_errno(void);
1359 * #define errno (*_errno()) */
d9d8d8de 1360#endif
663a0e37 1361
2304df62 1362#ifdef HAS_STRERROR
a0d0e21e 1363# ifdef VMS
20ce7b12 1364 char *strerror (int,...);
a0d0e21e 1365# else
68dc0745 1366#ifndef DONT_DECLARE_STD
20ce7b12 1367 char *strerror (int);
68dc0745 1368#endif
a0d0e21e 1369# endif
2304df62
AD		 1370# ifndef Strerror
1371# define Strerror strerror
1372# endif
1373#else
1374# ifdef HAS_SYS_ERRLIST
79072805
LW		 1375 extern int sys_nerr;
1376 extern char *sys_errlist[];
2304df62
AD		 1377# ifndef Strerror
1378# define Strerror(e) \
79072805 1379 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1380# endif
79072805 1381# endif
35c8bce7 1382#endif
663a0e37 1383
2304df62 1384#ifdef I_SYS_IOCTL
79072805
LW		 1385# ifndef _IOCTL_
1386# include <sys/ioctl.h>
1387# endif
a687059c
LW		 1388#endif
1389
ee0007ab 1390#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1391# ifdef HAS_SOCKETPAIR
1392# undef HAS_SOCKETPAIR
1393# endif
2304df62
AD		 1394# ifdef I_NDBM
1395# undef I_NDBM
79072805 1396# endif
a687059c
LW		 1397#endif
1398
02fc2eee
NC		 1399#ifndef HAS_SOCKETPAIR
1400# ifdef HAS_SOCKET
1401# define socketpair Perl_my_socketpair
1402# endif
1403#endif
1404
a687059c 1405#if INTSIZE == 2
79072805
LW		 1406# define htoni htons
1407# define ntohi ntohs
a687059c 1408#else
79072805
LW		 1409# define htoni htonl
1410# define ntohi ntohl
a687059c
LW		 1411#endif
1412
a0d0e21e 1413/* Configure already sets Direntry_t */
35c8bce7 1414#if defined(I_DIRENT)
663a0e37 1415# include <dirent.h>
8f1f23e8
W		 1416 /* NeXT needs dirent + sys/dir.h */
1417# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1418# include <sys/dir.h>
1419# endif
ae986130 1420#else
fe14fcc3 1421# ifdef I_SYS_NDIR
79a0689e 1422# include <sys/ndir.h>
663a0e37 1423# else
fe14fcc3 1424# ifdef I_SYS_DIR
79a0689e
LW		 1425# ifdef hp9000s500
1426# include <ndir.h> /* may be wrong in the future */
1427# else
1428# include <sys/dir.h>
1429# endif
663a0e37
LW		 1430# endif
1431# endif
4633a7c4 1432#endif
a687059c 1433
12ae5dfc
JH		 1434#ifdef PERL_MICRO
1435# ifndef DIR
1436# define DIR void
1437# endif
1438#endif
1439
352d5a3a
LW		 1440#ifdef FPUTS_BOTCH
1441/* work around botch in SunOS 4.0.1 and 4.0.2 */
1442# ifndef fputs
79072805 1443# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1444# endif
1445#endif
1446
c623bd54
LW		 1447/*
1448 * The following gobbledygook brought to you on behalf of __STDC__.
1449 * (I could just use #ifndef __STDC__, but this is more bulletproof
1450 * in the face of half-implementations.)
1451 */
1452
7114a2d2 1453#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1454#include <sys/mode.h>
1455#endif
1456
c623bd54
LW		 1457#ifndef S_IFMT
1458# ifdef _S_IFMT
1459# define S_IFMT _S_IFMT
1460# else
1461# define S_IFMT 0170000
1462# endif
1463#endif
1464
1465#ifndef S_ISDIR
1466# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1467#endif
1468
1469#ifndef S_ISCHR
1470# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1471#endif
1472
1473#ifndef S_ISBLK
fe14fcc3
LW		 1474# ifdef S_IFBLK
1475# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1476# else
1477# define S_ISBLK(m) (0)
1478# endif
c623bd54
LW		 1479#endif
1480
1481#ifndef S_ISREG
1482# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1483#endif
1484
1485#ifndef S_ISFIFO
fe14fcc3
LW		 1486# ifdef S_IFIFO
1487# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1488# else
1489# define S_ISFIFO(m) (0)
1490# endif
c623bd54
LW		 1491#endif
1492
1493#ifndef S_ISLNK
1494# ifdef _S_ISLNK
1495# define S_ISLNK(m) _S_ISLNK(m)
1496# else
1497# ifdef _S_IFLNK
1498# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1499# else
1500# ifdef S_IFLNK
1501# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1502# else
1503# define S_ISLNK(m) (0)
1504# endif
1505# endif
1506# endif
1507#endif
1508
1509#ifndef S_ISSOCK
1510# ifdef _S_ISSOCK
1511# define S_ISSOCK(m) _S_ISSOCK(m)
1512# else
1513# ifdef _S_IFSOCK
1514# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1515# else
1516# ifdef S_IFSOCK
1517# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1518# else
1519# define S_ISSOCK(m) (0)
1520# endif
1521# endif
1522# endif
1523#endif
1524
1525#ifndef S_IRUSR
1526# ifdef S_IREAD
1527# define S_IRUSR S_IREAD
1528# define S_IWUSR S_IWRITE
1529# define S_IXUSR S_IEXEC
1530# else
1531# define S_IRUSR 0400
1532# define S_IWUSR 0200
1533# define S_IXUSR 0100
1534# endif
fac7cdfc
JS		 1535#endif
1536
1537#ifndef S_IRGRP
1538# ifdef S_IRUSR
1539# define S_IRGRP (S_IRUSR>>3)
1540# define S_IWGRP (S_IWUSR>>3)
1541# define S_IXGRP (S_IXUSR>>3)
1542# else
1543# define S_IRGRP 0040
1544# define S_IWGRP 0020
1545# define S_IXGRP 0010
1546# endif
1547#endif
1548
1549#ifndef S_IROTH
1550# ifdef S_IRUSR
1551# define S_IROTH (S_IRUSR>>6)
1552# define S_IWOTH (S_IWUSR>>6)
1553# define S_IXOTH (S_IXUSR>>6)
1554# else
1555# define S_IROTH 0040
1556# define S_IWOTH 0020
1557# define S_IXOTH 0010
1558# endif
c623bd54
LW		 1559#endif
1560
1561#ifndef S_ISUID
1562# define S_ISUID 04000
1563#endif
1564
1565#ifndef S_ISGID
1566# define S_ISGID 02000
1567#endif
1568
ca6e1c26
JH		 1569#ifndef S_IRWXU
1570# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1571#endif
ca6e1c26
JH		 1572
1573#ifndef S_IRWXG
1574# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1575#endif
ca6e1c26
JH		 1576
1577#ifndef S_IRWXO
1578# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1579#endif
ca6e1c26 1580
df00ff3b 1581/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1582 * which would get included through <sys/file.h >, but that is 3000
1583 * lines in the future. --jhi */
1584
df00ff3b 1585#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1586# define S_IREAD S_IRUSR
1587#endif
1588
df00ff3b 1589#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1590# define S_IWRITE S_IWUSR
1591#endif
1592
1593#ifndef S_IEXEC
1594# define S_IEXEC S_IXUSR
1595#endif
1596
79072805
LW		 1597#ifdef ff_next
1598# undef ff_next
352d5a3a
LW		 1599#endif
1600
a0d0e21e 1601#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1602# define SLOPPYDIVIDE
1603#endif
1604
748a9306
LW		 1605#ifdef UV
1606#undef UV
1607#endif
1608
c89df6bf
JH		 1609#ifdef SPRINTF_E_BUG
1610# define sprintf UTS_sprintf_wrap
1611#endif
1612
ce582cee
NC		 1613/* For the times when you want the return value of sprintf, and you want it
1614 to be the length. Can't have a thread variable passed in, because C89 has
1615 no varargs macros.
1616*/
1617#ifdef SPRINTF_RETURNS_STRLEN
1618# define my_sprintf sprintf
1619#else
1620# define my_sprintf Perl_my_sprintf
1621#endif
1622
5b692037
JH		 1623/*
1624 * If we have v?snprintf() and the C99 variadic macros, we can just
1625 * use just the v?snprintf(). It is nice to try to trap the buffer
1626 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1627 * gcc statement expressions, then use the function wrappers which try
1628 * to trap the overflow. If we can use the gcc statement expressions,
1629 * we can try that even with the version that uses the C99 variadic
1630 * macros.
5b692037
JH		 1631 */
1632
1208b3dd
JH		 1633/* Note that we do not check against snprintf()/vsnprintf() returning
1634 * negative values because that is non-standard behaviour and we use
1635 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1636 * that should be true only if the snprintf()/vsnprintf() are true
1637 * to the standard. */
1638
dfeee9b1 1639#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1640# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1641# 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 1642# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1643# else
1644# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1645# endif
1646#else
1647# define my_snprintf Perl_my_snprintf
1208b3dd 1648# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1649#endif
1650
dfeee9b1 1651#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1652# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1653# 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 1654# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1655# else
1656# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1657# endif
1658#else
1659# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1660# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1661#endif
d9fad198 1662
a6cc4119
SP		 1663#ifdef HAS_STRLCAT
1664# define my_strlcat strlcat
1665#else
1666# define my_strlcat Perl_my_strlcat
1667#endif
1668
1669#ifdef HAS_STRLCPY
1670# define my_strlcpy strlcpy
1671#else
1672# define my_strlcpy Perl_my_strlcpy
1673#endif
1674
c495e728
JH		 1675/* Configure gets this right but the UTS compiler gets it wrong.
1676 -- Hal Morris <hom00@utsglobal.com> */
1677#ifdef UTS
1678# undef UVTYPE
1679# define UVTYPE unsigned
1680#endif
1681
05f13f53 1682/*
27d4fb96 1683 The IV type is supposed to be long enough to hold any integral
1684 value or a pointer.
1685 --Andy Dougherty August 1996
1686*/
1687
a22e52b9
JH		 1688typedef IVTYPE IV;
1689typedef UVTYPE UV;
8175356b 1690
10cc9d2a 1691#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1692# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1693# define IV_MAX INT64_MAX
1694# define IV_MIN INT64_MIN
1695# define UV_MAX UINT64_MAX
cae7ae48
JH		 1696# ifndef UINT64_MIN
1697# define UINT64_MIN 0
1698# endif
5ff3f7a4
GS		 1699# define UV_MIN UINT64_MIN
1700# else
1701# define IV_MAX PERL_QUAD_MAX
1702# define IV_MIN PERL_QUAD_MIN
1703# define UV_MAX PERL_UQUAD_MAX
1704# define UV_MIN PERL_UQUAD_MIN
1705# endif
cf2093f6
JH		 1706# define IV_IS_QUAD
1707# define UV_IS_QUAD
79072805 1708#else
8175356b 1709# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1710# define IV_MAX INT32_MAX
1711# define IV_MIN INT32_MIN
716026f9
DL		 1712# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1713# define UV_MAX UINT32_MAX
1714# else
1715# define UV_MAX 4294967295U
1716# endif
cae7ae48
JH		 1717# ifndef UINT32_MIN
1718# define UINT32_MIN 0
1719# endif
5ff3f7a4
GS		 1720# define UV_MIN UINT32_MIN
1721# else
1722# define IV_MAX PERL_LONG_MAX
1723# define IV_MIN PERL_LONG_MIN
1724# define UV_MAX PERL_ULONG_MAX
1725# define UV_MIN PERL_ULONG_MIN
1726# endif
8175356b 1727# if IVSIZE == 8
cf2093f6
JH		 1728# define IV_IS_QUAD
1729# define UV_IS_QUAD
de1c2614
JH		 1730# ifndef HAS_QUAD
1731# define HAS_QUAD
1732# endif
cf2093f6
JH		 1733# else
1734# undef IV_IS_QUAD
1735# undef UV_IS_QUAD
de1c2614 1736# undef HAS_QUAD
cf2093f6 1737# endif
79072805 1738#endif
d7d93a81 1739
1109a392
MHM		 1740#ifndef HAS_QUAD
1741# undef PERL_NEED_MY_HTOLE64
1742# undef PERL_NEED_MY_LETOH64
1743# undef PERL_NEED_MY_HTOBE64
1744# undef PERL_NEED_MY_BETOH64
1745#endif
1746
6cde8aec 1747#if defined(uts) || defined(UTS)
11afe549
HM		 1748# undef UV_MAX
1749# define UV_MAX (4294967295u)
20601011
JH		 1750#endif
1751
cae7ae48 1752#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1753#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1754
28e5dec8 1755#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1756#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1757#endif
1758
d460ef45 1759/*
26bb67e2
JH		 1760 * The macros INT2PTR and NUM2PTR are (despite their names)
1761 * bi-directional: they will convert int/float to or from pointers.
1762 * However the conversion to int/float are named explicitly:
1763 * PTR2IV, PTR2UV, PTR2NV.
1764 *
1765 * For int conversions we do not need two casts if pointers are
1766 * the same size as IV and UV. Otherwise we need an explicit
1767 * cast (PTRV) to avoid compiler warnings.
1768 */
56431972
RB		 1769#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1770# define PTRV UV
1771# define INT2PTR(any,d) (any)(d)
1772#else
d460ef45 1773# if PTRSIZE == LONGSIZE
56431972 1774# define PTRV unsigned long
e91e3b10 1775# define PTR2ul(p) (unsigned long)(p)
42718184 1776# else
56431972 1777# define PTRV unsigned
42718184 1778# endif
e91e3b10
RB		 1779#endif
1780
1781#ifndef INT2PTR
56431972 1782# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1783#endif
e91e3b10
RB		 1784
1785#ifndef PTR2ul
1786# define PTR2ul(p) INT2PTR(unsigned long,p)
1787#endif
1788
56431972
RB		 1789#define NUM2PTR(any,d) (any)(PTRV)(d)
1790#define PTR2IV(p) INT2PTR(IV,p)
1791#define PTR2UV(p) INT2PTR(UV,p)
1792#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1793#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1794
8141890a
JH		 1795/* According to strict ANSI C89 one cannot freely cast between
1796 * data pointers and function (code) pointers. There are at least
1797 * two ways around this. One (used below) is to do two casts,
1798 * first the other pointer to an (unsigned) integer, and then
1799 * the integer to the other pointer. The other way would be
1800 * to use unions to "overlay" the pointers. For an example of
1801 * the latter technique, see union dirpu in struct xpvio in sv.h.
1802 * The only feasible use is probably temporarily storing
1803 * function pointers in a data pointer (such as a void pointer). */
1804
e91e3b10
RB		 1805#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1806#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1807
65202027 1808#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1809# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1810# define LONG_DOUBLE_EQUALS_DOUBLE
1811# endif
68d4903c 1812# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1813# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1814# endif
1815#endif
1816
2d4389e4
JH		 1817#ifdef OVR_DBL_DIG
1818/* Use an overridden DBL_DIG */
1819# ifdef DBL_DIG
1820# undef DBL_DIG
1821# endif
1822# define DBL_DIG OVR_DBL_DIG
1823#else
1824/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1825 default value for printing floating point numbers in Gconvert
1826 (see config.h). (It also has other uses, such as figuring out if
1827 a given precision of printing can be done with a double instead of
1828 a long double - Allen).
2d4389e4
JH		 1829*/
1830#ifdef I_LIMITS
1831#include <limits.h>
1832#endif
1833#ifdef I_FLOAT
1834#include <float.h>
1835#endif
1836#ifndef HAS_DBL_DIG
1837#define DBL_DIG 15 /* A guess that works lots of places */
1838#endif
1839#endif
1840
1841#ifdef OVR_LDBL_DIG
1842/* Use an overridden LDBL_DIG */
1843# ifdef LDBL_DIG
1844# undef LDBL_DIG
1845# endif
1846# define LDBL_DIG OVR_LDBL_DIG
1847#else
1848/* The following is all to get LDBL_DIG, in order to pick a nice
1849 default value for printing floating point numbers in Gconvert.
1850 (see config.h)
1851*/
68d4903c
JH		 1852# ifdef I_LIMITS
1853# include <limits.h>
1854# endif
1855# ifdef I_FLOAT
1856# include <float.h>
1857# endif
1858# ifndef HAS_LDBL_DIG
1859# if LONG_DOUBLESIZE == 10
1860# define LDBL_DIG 18 /* assume IEEE */
1861# else
1862# if LONG_DOUBLESIZE == 12
1863# define LDBL_DIG 18 /* gcc? */
1864# else
1865# if LONG_DOUBLESIZE == 16
1866# define LDBL_DIG 33 /* assume IEEE */
1867# else
1868# if LONG_DOUBLESIZE == DOUBLESIZE
1869# define LDBL_DIG DBL_DIG /* bummer */
1870# endif
1871# endif
1872# endif
1873# endif
1874# endif
2d4389e4
JH		 1875#endif
1876
20f6aaab
AS		 1877/*
1878 * This is for making sure we have a good DBL_MAX value, if possible,
1879 * either for usage as NV_MAX or for usage in figuring out if we can
1880 * fit a given long double into a double, if bug-fixing makes it
1881 * necessary to do so. - Allen <allens@cpan.org>
1882 */
1883
205f51d8
AS		 1884#ifdef I_LIMITS
1885# include <limits.h>
20f6aaab
AS		 1886#endif
1887
205f51d8
AS		 1888#ifdef I_VALUES
1889# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1890# include <values.h>
1891# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1892# define DBL_MAX MAXDOUBLE
1893# endif
1894# if defined(MINDOUBLE) && !defined(DBL_MIN)
1895# define DBL_MIN MINDOUBLE
1896# endif
1897# endif
1898#endif /* defined(I_VALUES) */
1899
a22e52b9 1900typedef NVTYPE NV;
8175356b 1901
792d8dab
JH		 1902#ifdef I_IEEEFP
1903# include <ieeefp.h>
1904#endif
923fc586 1905
65202027 1906#ifdef USE_LONG_DOUBLE
923fc586
JH		 1907# ifdef I_SUNMATH
1908# include <sunmath.h>
1909# endif
2d4389e4 1910# define NV_DIG LDBL_DIG
d6c14000
JH		 1911# ifdef LDBL_MANT_DIG
1912# define NV_MANT_DIG LDBL_MANT_DIG
1913# endif
06fc1729
JH		 1914# ifdef LDBL_MIN
1915# define NV_MIN LDBL_MIN
1916# endif
1917# ifdef LDBL_MAX
1918# define NV_MAX LDBL_MAX
1919# endif
1920# ifdef LDBL_MIN_10_EXP
1921# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1922# endif
1923# ifdef LDBL_MAX_10_EXP
1924# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1925# endif
1926# ifdef LDBL_EPSILON
1927# define NV_EPSILON LDBL_EPSILON
1928# endif
f4a14a62
JH		 1929# ifdef LDBL_MAX
1930# define NV_MAX LDBL_MAX
20f6aaab 1931/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1932# else
1933# ifdef HUGE_VALL
1934# define NV_MAX HUGE_VALL
1935# else
1936# ifdef HUGE_VAL
1937# define NV_MAX ((NV)HUGE_VAL)
1938# endif
1939# endif
1940# endif
68d4903c 1941# ifdef HAS_SQRTL
68d4903c
JH		 1942# define Perl_cos cosl
1943# define Perl_sin sinl
1944# define Perl_sqrt sqrtl
1945# define Perl_exp expl
1946# define Perl_log logl
1947# define Perl_atan2 atan2l
1948# define Perl_pow powl
1949# define Perl_floor floorl
1bbae031 1950# define Perl_ceil ceill
68d4903c
JH		 1951# define Perl_fmod fmodl
1952# endif
a3540c92
JH		 1953/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1954# ifdef HAS_MODFL
1955# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1956/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1957 prototype in <math.h> */
1958# ifndef HAS_MODFL_PROTO
a221a8a5 1959EXTERN_C long double modfl(long double, long double *);
51997bc3 1960# endif
03476e8e
JH		 1961# else
1962# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1963 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1964# define Perl_modf(x,y) Perl_my_modfl(x,y)
1965# endif
a3540c92
JH		 1966# endif
1967# ifdef HAS_FREXPL
dff3e0b8 1968# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1969# else
1970# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1971 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1972# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1973# endif
a3540c92 1974# endif
38dbb4c5 1975# ifndef Perl_isnan
758a5d79
JH		 1976# ifdef HAS_ISNANL
1977# define Perl_isnan(x) isnanl(x)
1978# endif
1979# endif
1980# ifndef Perl_isinf
1981# ifdef HAS_FINITEL
1982# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1983# endif
1984# endif
65202027 1985#else
2d4389e4 1986# define NV_DIG DBL_DIG
d6c14000
JH		 1987# ifdef DBL_MANT_DIG
1988# define NV_MANT_DIG DBL_MANT_DIG
1989# endif
06fc1729
JH		 1990# ifdef DBL_MIN
1991# define NV_MIN DBL_MIN
1992# endif
1993# ifdef DBL_MAX
1994# define NV_MAX DBL_MAX
1995# endif
1996# ifdef DBL_MIN_10_EXP
1997# define NV_MIN_10_EXP DBL_MIN_10_EXP
1998# endif
1999# ifdef DBL_MAX_10_EXP
2000# define NV_MAX_10_EXP DBL_MAX_10_EXP
2001# endif
2002# ifdef DBL_EPSILON
2003# define NV_EPSILON DBL_EPSILON
2004# endif
205f51d8 2005# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2006# define NV_MAX DBL_MAX
2007# define NV_MIN DBL_MIN
2008# else
2009# ifdef HUGE_VAL
2010# define NV_MAX HUGE_VAL
2011# endif
2012# endif
65202027
DS		 2013# define Perl_cos cos
2014# define Perl_sin sin
2015# define Perl_sqrt sqrt
2016# define Perl_exp exp
2017# define Perl_log log
2018# define Perl_atan2 atan2
2019# define Perl_pow pow
2020# define Perl_floor floor
1bbae031 2021# define Perl_ceil ceil
65202027 2022# define Perl_fmod fmod
a3540c92 2023# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2024# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2025#endif
2026
2027/* rumor has it that Win32 has _fpclass() */
2028
205f51d8
AS		 2029/* SGI has fpclassl... but not with the same result values,
2030 * and it's via a typedef (not via #define), so will need to redo Configure
2031 * to use. Not worth the trouble, IMO, at least until the below is used
2032 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2033 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2034 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2035
758a5d79
JH		 2036#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2037# ifdef I_IEEFP
2038# include <ieeefp.h>
2039# endif
2040# ifdef I_FP
2041# include <fp.h>
2042# endif
2043# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2044# define Perl_fp_class() fpclassl(x)
2045# else
2046# define Perl_fp_class() fpclass(x)
2047# endif
2048# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2049# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2050# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2051# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2052# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2053# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2054# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2055# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2056# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2057# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2058# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2059# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2060# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2061# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2062# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2063#endif
2064
7114a2d2 2065#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2066# include <math.h>
2067# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2068# include <fp_class.h>
2069# endif
2070# define Perl_fp_class(x) fp_class(x)
2071# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2072# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2073# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2074# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2075# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2076# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2077# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2078# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2079# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2080# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2081# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2082# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2083# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2084# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2085# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2086#endif
2087
2088#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2089# include <math.h>
2090# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2091# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2092# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2093# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2094# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2095# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2096#endif
2097
2098#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2099# include <math.h>
2100# ifndef _cplusplus
2101# define Perl_fp_class(x) class(x)
2102# else
2103# define Perl_fp_class(x) _class(x)
2104# endif
2105# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2106# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2107# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2108# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2109# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2110# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2111# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2112# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2113# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2114# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2115# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2116# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2117# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2118# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2119# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2120#endif
2121
2122/* rumor has it that Win32 has _isnan() */
2123
2124#ifndef Perl_isnan
a3540c92 2125# ifdef HAS_ISNAN
758a5d79
JH		 2126# define Perl_isnan(x) isnan((NV)x)
2127# else
2128# ifdef Perl_fp_class_nan
2129# define Perl_isnan(x) Perl_fp_class_nan(x)
2130# else
2131# ifdef HAS_UNORDERED
2132# define Perl_isnan(x) unordered((x), 0.0)
2133# else
2134# define Perl_isnan(x) ((x)!=(x))
2135# endif
2136# endif
2137# endif
2138#endif
2139
ca6c63e1
JH		 2140#ifdef UNDER_CE
2141int isnan(double d);
2142#endif
2143
758a5d79
JH		 2144#ifndef Perl_isinf
2145# ifdef HAS_ISINF
2146# define Perl_isinf(x) isinf((NV)x)
a3540c92 2147# else
758a5d79
JH		 2148# ifdef Perl_fp_class_inf
2149# define Perl_isinf(x) Perl_fp_class_inf(x)
2150# else
2151# define Perl_isinf(x) ((x)==NV_INF)
2152# endif
2153# endif
2154#endif
2155
2156#ifndef Perl_isfinite
2157# ifdef HAS_FINITE
2158# define Perl_isfinite(x) finite((NV)x)
2159# else
2160# ifdef HAS_ISFINITE
2161# define Perl_isfinite(x) isfinite(x)
2162# else
2163# ifdef Perl_fp_class_finite
2164# define Perl_isfinite(x) Perl_fp_class_finite(x)
2165# else
2166# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2167# endif
2168# endif
a3540c92 2169# endif
65202027
DS		 2170#endif
2171
a36244b7
JH		 2172/* The default is to use Perl's own atof() implementation (in numeric.c).
2173 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2174 * it is however best to use the native implementation of atof.
2175 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2176 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2177 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2178 * you may need to be using a different function than atof! */
a36244b7
JH		 2179
2180#ifndef USE_PERL_ATOF
2181# ifndef _UNICOS
2182# define USE_PERL_ATOF
2183# endif
2184#else
2185# if USE_PERL_ATOF == 0
2186# undef USE_PERL_ATOF
2187# endif
2188#endif
2189
2190#ifdef USE_PERL_ATOF
2191# define Perl_atof(s) Perl_my_atof(s)
2192# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2193#else
2194# define Perl_atof(s) (NV)atof(s)
2195# define Perl_atof2(s, n) ((n) = atof(s))
2196#endif
cf2093f6 2197
d460ef45 2198/* Previously these definitions used hardcoded figures.
760ac839
LW		 2199 * It is hoped these formula are more portable, although
2200 * no data one way or another is presently known to me.
2201 * The "PERL_" names are used because these calculated constants
2202 * do not meet the ANSI requirements for LONG_MAX, etc., which
2203 * need to be constants acceptable to #if - kja
2204 * define PERL_LONG_MAX 2147483647L
2205 * define PERL_LONG_MIN (-LONG_MAX - 1)
2206 * define PERL ULONG_MAX 4294967295L
2207 */
2208
2209#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2210# include <limits.h>
760ac839 2211#endif
205f51d8
AS		 2212/* Included values.h above if necessary; still including limits.h down here,
2213 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2214
99abf803 2215/*
2216 * Try to figure out max and min values for the integral types. THE CORRECT
2217 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2218 * following hacks are used if neither limits.h or values.h provide them:
2219 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2220 * for types < int: (unsigned TYPE)~(unsigned)0
2221 * The argument to ~ must be unsigned so that later signed->unsigned
2222 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2223 * and it must not be smaller than int because ~ does integral promotion.
2224 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2225 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2226 * The latter is a hack which happens to work on some machines but
2227 * does *not* catch any random system, or things like integer types
2228 * with NaN if that is possible.
2229 *
2230 * All of the types are explicitly cast to prevent accidental loss of
2231 * numeric range, and in the hope that they will be less likely to confuse
2232 * over-eager optimizers.
2233 *
2234 */
27d4fb96 2235
99abf803 2236#define PERL_UCHAR_MIN ((unsigned char)0)
2237
2238#ifdef UCHAR_MAX
2239# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2240#else
99abf803 2241# ifdef MAXUCHAR
2242# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2243# else
99abf803 2244# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2245# endif
2246#endif
d460ef45 2247
99abf803 2248/*
2249 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2250 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2251 * depending on local options. Until Configure detects this (or at least
2252 * detects whether the "signed" keyword is available) the CHAR ranges
2253 * will not be included. UCHAR functions normally.
2254 * - kja
2255 */
27d4fb96 2256
99abf803 2257#define PERL_USHORT_MIN ((unsigned short)0)
2258
2259#ifdef USHORT_MAX
2260# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2261#else
99abf803 2262# ifdef MAXUSHORT
2263# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2264# else
ef2f54b0
CB		 2265# ifdef USHRT_MAX
2266# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2267# else
2268# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2269# endif
27d4fb96 2270# endif
2271#endif
2272
27d4fb96 2273#ifdef SHORT_MAX
99abf803 2274# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2275#else
2276# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2277# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2278# else
ef2f54b0
CB		 2279# ifdef SHRT_MAX
2280# define PERL_SHORT_MAX ((short)SHRT_MAX)
2281# else
2282# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2283# endif
27d4fb96 2284# endif
2285#endif
2286
2287#ifdef SHORT_MIN
99abf803 2288# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2289#else
2290# ifdef MINSHORT
99abf803 2291# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2292# else
ef2f54b0
CB		 2293# ifdef SHRT_MIN
2294# define PERL_SHORT_MIN ((short)SHRT_MIN)
2295# else
2296# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2297# endif
27d4fb96 2298# endif
2299#endif
2300
99abf803 2301#ifdef UINT_MAX
2302# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2303#else
99abf803 2304# ifdef MAXUINT
2305# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2306# else
99abf803 2307# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2308# endif
2309#endif
2310
99abf803 2311#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2312
2313#ifdef INT_MAX
99abf803 2314# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2315#else
2316# ifdef MAXINT /* Often used in <values.h> */
99abf803 2317# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2318# else
99abf803 2319# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2320# endif
2321#endif
2322
2323#ifdef INT_MIN
99abf803 2324# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2325#else
2326# ifdef MININT
99abf803 2327# define PERL_INT_MIN ((int)MININT)
27d4fb96 2328# else
2329# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2330# endif
2331#endif
2332
99abf803 2333#ifdef ULONG_MAX
2334# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2335#else
99abf803 2336# ifdef MAXULONG
2337# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2338# else
99abf803 2339# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2340# endif
2341#endif
2342
99abf803 2343#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2344
760ac839 2345#ifdef LONG_MAX
99abf803 2346# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2347#else
2348# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2349# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2350# else
99abf803 2351# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2352# endif
2353#endif
2354
2355#ifdef LONG_MIN
99abf803 2356# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2357#else
2358# ifdef MINLONG
99abf803 2359# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2360# else
27d4fb96 2361# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2362# endif
2363#endif
2364
d7d93a81 2365#ifdef UV_IS_QUAD
99abf803 2366
99abf803 2367# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2368# define PERL_UQUAD_MIN ((UV)0)
99abf803 2369# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2370# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2371
79072805
LW		 2372#endif
2373
22f7c9c9
JH		 2374#ifdef MYMALLOC
2375# include "malloc_ctl.h"
2376#endif
2377
830247a4 2378struct RExC_state_t;
8e11feef 2379struct _reg_trie_data;
880b20b6 2380
ee0007ab 2381typedef MEM_SIZE STRLEN;
450a55e4 2382
598921a7
NC		 2383#ifdef PERL_MAD
2384typedef struct token TOKEN;
2385typedef struct madprop MADPROP;
2386typedef struct nexttoken NEXTTOKE;
2387#endif
79072805
LW		 2388typedef struct op OP;
2389typedef struct cop COP;
2390typedef struct unop UNOP;
2391typedef struct binop BINOP;
2392typedef struct listop LISTOP;
2393typedef struct logop LOGOP;
79072805
LW		 2394typedef struct pmop PMOP;
2395typedef struct svop SVOP;
7934575e 2396typedef struct padop PADOP;
79072805 2397typedef struct pvop PVOP;
79072805
LW		 2398typedef struct loop LOOP;
2399
52db365a
BM		 2400typedef struct block_hooks BHK;
2401
cd1541b2
NC		 2402typedef struct interpreter PerlInterpreter;
2403
d2b3f365
SS		 2404/* Amdahl's <ksync.h> has struct sv */
2405/* SGI's <sys/sema.h> has struct sv */
2406#if defined(UTS) || defined(__sgi)
2407# define STRUCT_SV perl_sv
b8d3c5db
JH		 2408#else
2409# define STRUCT_SV sv
2410#endif
2411typedef struct STRUCT_SV SV;
79072805
LW		 2412typedef struct av AV;
2413typedef struct hv HV;
2414typedef struct cv CV;
288b8c02 2415typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2416typedef struct p5rx REGEXP;
79072805 2417typedef struct gp GP;
0c30d9ec 2418typedef struct gv GV;
8990e307 2419typedef struct io IO;
c09156bb 2420typedef struct context PERL_CONTEXT;
79072805
LW		 2421typedef struct block BLOCK;
2422
2423typedef struct magic MAGIC;
2424typedef struct xpv XPV;
2425typedef struct xpviv XPVIV;
ff68c719 2426typedef struct xpvuv XPVUV;
79072805
LW		 2427typedef struct xpvnv XPVNV;
2428typedef struct xpvmg XPVMG;
2429typedef struct xpvlv XPVLV;
2430typedef struct xpvav XPVAV;
2431typedef struct xpvhv XPVHV;
2432typedef struct xpvgv XPVGV;
2433typedef struct xpvcv XPVCV;
2434typedef struct xpvbm XPVBM;
2435typedef struct xpvfm XPVFM;
8990e307 2436typedef struct xpvio XPVIO;
79072805
LW		 2437typedef struct mgvtbl MGVTBL;
2438typedef union any ANY;
5f7fde29
GS		 2439typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2440typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2441typedef struct clone_params CLONE_PARAMS;
2442
378cc40b 2443#include "handy.h"
a0d0e21e 2444
6b8eaf93 2445#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2446# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2447# define USE_64_BIT_RAWIO /* implicit */
2448# endif
4564133c
JH		 2449#endif
2450
6b8eaf93
JH		 2451/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2452 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2453 * however, because operating systems like to do that themself. */
2454#ifndef FSEEKSIZE
2455# ifdef HAS_FSEEKO
2456# define FSEEKSIZE LSEEKSIZE
2457# else
2458# define FSEEKSIZE LONGSIZE
d460ef45 2459# endif
6b8eaf93
JH		 2460#endif
2461
2462#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2463# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2464# define USE_64_BIT_STDIO /* implicit */
2465# endif
2466#endif
4564133c 2467
09458382 2468#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2469# ifdef HAS_OFF64_T
2470# undef Off_t
2471# define Off_t off64_t
2472# undef LSEEKSIZE
2473# define LSEEKSIZE 8
5ff3f7a4 2474# endif
d9b3e12d
JH		 2475/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2476 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2477 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2478# if defined(USE_OPEN64)
2479# define open open64
5ff3f7a4 2480# endif
d9b3e12d
JH		 2481# if defined(USE_LSEEK64)
2482# define lseek lseek64
6b8eaf93
JH		 2483# else
2484# if defined(USE_LLSEEK)
2485# define lseek llseek
2486# endif
d9b3e12d
JH		 2487# endif
2488# if defined(USE_STAT64)
2489# define stat stat64
2490# endif
2491# if defined(USE_FSTAT64)
2492# define fstat fstat64
2493# endif
2494# if defined(USE_LSTAT64)
2495# define lstat lstat64
2496# endif
2497# if defined(USE_FLOCK64)
2498# define flock flock64
2499# endif
2500# if defined(USE_LOCKF64)
2501# define lockf lockf64
2502# endif
2503# if defined(USE_FCNTL64)
2504# define fcntl fcntl64
2505# endif
2506# if defined(USE_TRUNCATE64)
2507# define truncate truncate64
2508# endif
2509# if defined(USE_FTRUNCATE64)
2510# define ftruncate ftruncate64
2511# endif
2512#endif
2513
2514#ifdef USE_64_BIT_STDIO
2515# ifdef HAS_FPOS64_T
2516# undef Fpos_t
2517# define Fpos_t fpos64_t
2518# endif
2519/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2520 * will trigger defines like the ones below. Some 64-bit environments,
2521 * however, do not. */
2522# if defined(USE_FOPEN64)
2523# define fopen fopen64
2524# endif
2525# if defined(USE_FSEEK64)
6b8eaf93 2526# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2527# endif
2528# if defined(USE_FTELL64)
6b8eaf93 2529# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2530# endif
2531# if defined(USE_FSETPOS64)
2532# define fsetpos fsetpos64
2533# endif
2534# if defined(USE_FGETPOS64)
2535# define fgetpos fgetpos64
2536# endif
2537# if defined(USE_TMPFILE64)
2538# define tmpfile tmpfile64
2539# endif
2540# if defined(USE_FREOPEN64)
2541# define freopen freopen64
5ff3f7a4
GS		 2542# endif
2543#endif
2544
e37778c2 2545#if defined(OS2)
2c2d71f5
JH		 2546# include "iperlsys.h"
2547#endif
2548
6f71a643 2549#if defined(__OPEN_VM)
19848b3f
JH		 2550# include "vmesa/vmesaish.h"
2551# define ISHISH "vmesa"
6f71a643
JH		 2552#endif
2553
748a9306 2554#ifdef DOSISH
19848b3f
JH		 2555# if defined(OS2)
2556# include "os2ish.h"
2557# else
2558# include "dosish.h"
2559# endif
2560# define ISHISH "dos"
2561#endif
2562
2563#if defined(VMS)
748a9306 2564# include "vmsish.h"
96e176bf 2565# include "embed.h"
eb8433b7
NC		 2566# ifndef PERL_MAD
2567# undef op_getmad
b3f24c00 2568# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2569# endif
19848b3f
JH		 2570# define ISHISH "vms"
2571#endif
2572
2573#if defined(PLAN9)
2574# include "./plan9/plan9ish.h"
2575# define ISHISH "plan9"
2576#endif
2577
2578#if defined(MPE)
2579# include "mpeix/mpeixish.h"
2580# define ISHISH "mpeix"
2581#endif
2582
2583#if defined(__VOS__)
196918b0
PG		 2584# ifdef __GNUC__
2585# include "./vos/vosish.h"
2586# else
2587# include "vos/vosish.h"
2588# endif
19848b3f
JH		 2589# define ISHISH "vos"
2590#endif
2591
2592#if defined(EPOC)
2593# include "epocish.h"
2594# define ISHISH "epoc"
2595#endif
2596
9969cdde 2597#ifdef __SYMBIAN32__
27da23d5
JH		 2598# include "symbian/symbianish.h"
2599# include "embed.h"
eb8433b7
NC		 2600# ifndef PERL_MAD
2601# undef op_getmad
b3f24c00 2602# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2603# endif
27da23d5
JH		 2604# define ISHISH "symbian"
2605#endif
2606
19848b3f 2607
df00ff3b
IW		 2608#if defined(__HAIKU__)
2609# include "haiku/haikuish.h"
2610# define ISHISH "haiku"
2611#elif defined(__BEOS__)
efca5cc6
JH		 2612# include "beos/beosish.h"
2613# define ISHISH "beos"
2614#endif
2615
19848b3f
JH		 2616#ifndef ISHISH
2617# include "unixish.h"
2618# define ISHISH "unix"
13b6e58c
JH		 2619#endif
2620
2946a158
JH		 2621/* NSIG logic from Configure --> */
2622/* Strange style to avoid deeply-nested #if/#else/#endif */
2623#ifndef NSIG
2624# ifdef _NSIG
2625# define NSIG (_NSIG)
2626# endif
2627#endif
2628
2629#ifndef NSIG
2630# ifdef SIGMAX
2631# define NSIG (SIGMAX+1)
2632# endif
2633#endif
2634
2635#ifndef NSIG
2636# ifdef SIG_MAX
2637# define NSIG (SIG_MAX+1)
2638# endif
2639#endif
2640
2641#ifndef NSIG
2642# ifdef _SIG_MAX
2643# define NSIG (_SIG_MAX+1)
2644# endif
2645#endif
2646
2647#ifndef NSIG
2648# ifdef MAXSIG
2649# define NSIG (MAXSIG+1)
2650# endif
2651#endif
2652
2653#ifndef NSIG
2654# ifdef MAX_SIG
2655# define NSIG (MAX_SIG+1)
2656# endif
2657#endif
2658
2659#ifndef NSIG
2660# ifdef SIGARRAYSIZE
2661# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2662# endif
2663#endif
2664
2665#ifndef NSIG
2666# ifdef _sys_nsig
2667# define NSIG (_sys_nsig) /* Solaris 2.5 */
2668# endif
2669#endif
2670
2671/* Default to some arbitrary number that's big enough to get most
2672 of the common signals.
2673*/
2674#ifndef NSIG
2675# define NSIG 50
2676#endif
2677/* <-- NSIG logic from Configure */
2678
13b6e58c
JH		 2679#ifndef NO_ENVIRON_ARRAY
2680# define USE_ENVIRON_ARRAY
2681#endif
32f822de 2682
c77b533b
JH		 2683/*
2684 * initialise to avoid floating-point exceptions from overflow, etc
2685 */
2686#ifndef PERL_FPU_INIT
2687# ifdef HAS_FPSETMASK
2688# if HAS_FLOATINGPOINT_H
2689# include <floatingpoint.h>
2690# endif
ad3a8c67
NC		 2691/* Some operating systems have this as a macro, which in turn expands to a comma
2692 expression, and the last sub-expression is something that gets calculated,
2693 and then they have the gall to warn that a value computed is not used. Hence
2694 cast to void. */
2695# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2696# else
2f42fcb0 2697# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2698# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2699# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2700# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2701# else
2702# define PERL_FPU_INIT
2f42fcb0 2703
7014c407 2704# endif
c77b533b
JH		 2705# endif
2706#endif
b35112e7
CS		 2707#ifndef PERL_FPU_PRE_EXEC
2708# define PERL_FPU_PRE_EXEC {
2709# define PERL_FPU_POST_EXEC }
2710#endif
c77b533b 2711
cbec8ebe
DM		 2712#ifndef PERL_SYS_INIT3_BODY
2713# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2714#endif
2715
eb533572
DM		 2716/*
2717=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2718Provides system-specific tune up of the C runtime environment necessary to
2719run Perl interpreters. This should be called only once, before creating
2720any Perl interpreters.
2721
2722=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2723Provides system-specific tune up of the C runtime environment necessary to
2724run Perl interpreters. This should be called only once, before creating
2725any Perl interpreters.
2726
2727=for apidoc Am|void|PERL_SYS_TERM|
2728Provides system-specific clean up of the C runtime environment after
2729running Perl interpreters. This should be called only once, after
2730freeing any remaining Perl interpreters.
2731
2732=cut
2733 */
2734
cbec8ebe
DM		 2735#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2736#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2737#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2738
be708cc0
JH		 2739#ifndef PERL_WRITE_MSG_TO_CONSOLE
2740# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2741#endif
2742
0f31cffe
GS		 2743#ifndef MAXPATHLEN
2744# ifdef PATH_MAX
b990c8b2
JH		 2745# ifdef _POSIX_PATH_MAX
2746# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2747/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2748 * included the null byte or not. Later amendments of POSIX,
2749 * XPG4, the Austin Group, and the Single UNIX Specification
2750 * all explicitly include the null byte in the PATH_MAX.
2751 * Ditto for _POSIX_PATH_MAX. */
2752# define MAXPATHLEN PATH_MAX
b990c8b2 2753# else
09448d78 2754# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2755# endif
2756# else
2757# define MAXPATHLEN (PATH_MAX+1)
2758# endif
0f31cffe 2759# else
b990c8b2 2760# ifdef _POSIX_PATH_MAX
09448d78 2761# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2762# else
2763# define MAXPATHLEN 1024 /* Err on the large side. */
2764# endif
0f31cffe
GS		 2765# endif
2766#endif
2767
c80263a8
SH		 2768/* In case Configure was not used (we are using a "canned config"
2769 * such as Win32, or a cross-compilation setup, for example) try going
2770 * by the gcc major and minor versions. One useful URL is
2771 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2772 * but contrary to this information warn_unused_result seems
2773 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2774 * Also, when building extensions with an installed perl, this allows
2775 * the user to upgrade gcc and get the right attributes, rather than
2776 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2777 * Set these up now otherwise we get confused when some of the <*thread.h>
2778 * includes below indirectly pull in <perlio.h> (which needs to know if we
2779 * have HASATTRIBUTE_FORMAT).
2780 */
2781
4d7c7898 2782#ifndef PERL_MICRO
fc2007d4 2783#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2784# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2785# define HASATTRIBUTE_DEPRECATED
2786# endif
c80263a8
SH		 2787# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2788# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2789# if defined __MINGW32__
2790# define PRINTF_FORMAT_NULL_OK
2791# endif
c80263a8
SH		 2792# endif
2793# if __GNUC__ >= 3 /* 3.0 -> */
2794# define HASATTRIBUTE_MALLOC
2795# endif
2796# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2797# define HASATTRIBUTE_NONNULL
2798# endif
2799# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2800# define HASATTRIBUTE_NORETURN
2801# endif
2802# if __GNUC__ >= 3 /* gcc 3.0 -> */
2803# define HASATTRIBUTE_PURE
2804# endif
42bf5550 2805# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2806# define HASATTRIBUTE_UNUSED
2807# endif
d324fe49
AD		 2808# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2809# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2810# endif
c80263a8
SH		 2811# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2812# define HASATTRIBUTE_WARN_UNUSED_RESULT
2813# endif
2814#endif
00f254e2 2815#endif /* #ifndef PERL_MICRO */
c80263a8 2816
3db8f154 2817/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2818 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2819 * this results in many functions being undeclared which bothers C++
2820 * May make sense to have threads after "*ish.h" anyway
2821 */
2822
3db8f154 2823#if defined(USE_ITHREADS)
2986a63f
JH		 2824# ifdef NETWARE
2825# include <nw5thread.h>
2826# else
32f822de
GS		 2827# ifdef FAKE_THREADS
2828# include "fakethr.h"
2829# else
2830# ifdef WIN32
2831# include <win32thread.h>
2832# else
dd96f567
IZ		 2833# ifdef OS2
2834# include "os2thread.h"
2835# else
7f3d1cf1 2836# ifdef I_MACH_CTHREADS
bdd66968 2837# include <mach/cthreads.h>
8f1f23e8 2838# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2839# define MUTEX_INIT_CALLS_MALLOC
2840# endif
7f3d1cf1
BH		 2841typedef cthread_t perl_os_thread;
2842typedef mutex_t perl_mutex;
2843typedef condition_t perl_cond;
2844typedef void * perl_key;
2845# else /* Posix threads */
1f5ae88c
JH		 2846# ifdef I_PTHREAD
2847# include <pthread.h>
2848# endif
7f3d1cf1
BH		 2849typedef pthread_t perl_os_thread;
2850typedef pthread_mutex_t perl_mutex;
2851typedef pthread_cond_t perl_cond;
2852typedef pthread_key_t perl_key;
2853# endif /* I_MACH_CTHREADS */
dd96f567 2854# endif /* OS2 */
32f822de
GS		 2855# endif /* WIN32 */
2856# endif /* FAKE_THREADS */
2986a63f 2857#endif /* NETWARE */
3db8f154 2858#endif /* USE_ITHREADS */
c5be433b 2859
66a93824 2860#if defined(WIN32)
1feb2720 2861# include "win32.h"
c5be433b
GS		 2862#endif
2863
2986a63f
JH		 2864#ifdef NETWARE
2865# include "netware.h"
2866#endif
2867
e5218da5 2868#define STATUS_UNIX PL_statusvalue
68dc0745 2869#ifdef VMS
6b88bc9c 2870# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2871/*
2872 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2873 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2874 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2875 * be updated also.
2876 */
2877# include <stsdef.h>
2878# include <ssdef.h>
2879/* Presume this because if VMS changes it, it will require a new
2880 * set of APIs for waiting on children for binary compatibility.
2881 */
2882# define child_offset_bits (8)
2883# ifndef C_FAC_POSIX
2884# define C_FAC_POSIX 0x35A000
2885# endif
2886
2887/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2888 * platform from the existing UNIX or Native status values.
2889 */
2890
37038d91 2891# define STATUS_EXIT \
7a7fd8e0
JM		 2892 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2893 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2894
7a7fd8e0 2895
fb38d079
JM		 2896/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2897 * exit code and shifts the UNIX value over the correct number of bits to
2898 * be a child status. Usually the number of bits is 8, but that could be
2899 * platform dependent. The NATIVE status code is presumed to have either
2900 * from a child process.
7a7fd8e0
JM		 2901 */
2902
fb38d079
JM		 2903/* This is complicated. The child processes return a true native VMS
2904 status which must be saved. But there is an assumption in Perl that
2905 the UNIX child status has some relationship to errno values, so
00f254e2 2906 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2907 In order to get the string translation correct, for the error, errno
2908 must be EVMSERR, but that generates a different text message
2909 than what the test programs are expecting. So an errno value must
2910 be derived from the native status value when an error occurs.
2911 That will hide the true native status message. With this version of
2912 perl, the true native child status can always be retrieved so that
2913 is not a problem. But in this case, Pl_statusvalue and errno may
2914 have different values in them.
2915 */
7a7fd8e0 2916
fb38d079 2917# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2918 STMT_START { \
2fbb330f
JM		 2919 I32 evalue = (I32)n; \
2920 if (evalue == EVMSERR) { \
2921 PL_statusvalue_vms = vaxc$errno; \
2922 PL_statusvalue = evalue; \
7a7fd8e0 2923 } else { \
2fbb330f 2924 PL_statusvalue_vms = evalue; \
fb38d079 2925 if (evalue == -1) { \
3280af22 2926 PL_statusvalue = -1; \
7a7fd8e0
JM		 2927 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2928 } else \
fb38d079 2929 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2930 set_vaxc_errno(evalue); \
fb38d079
JM		 2931 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2932 set_errno(EVMSERR); \
2933 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2934 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2935 } \
68dc0745 2936 } STMT_END
7a7fd8e0 2937
68dc0745 2938# ifdef VMSISH_STATUS
e5218da5 2939# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2940# else
e5218da5 2941# define STATUS_CURRENT STATUS_UNIX
68dc0745 2942# endif
7a7fd8e0
JM		 2943
2944 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2945 * the NATIVE status to an equivalent value. Can not be used to translate
2946 * exit code values as exit code values are not guaranteed to have any
2947 * relationship at all to errno values.
2948 * This is used when Perl is forcing errno to have a specific value.
2949 */
e5218da5 2950# define STATUS_UNIX_SET(n) \
68dc0745 2951 STMT_START { \
7a7fd8e0 2952 I32 evalue = (I32)n; \
0968cdad 2953 PL_statusvalue = evalue; \
3280af22 2954 if (PL_statusvalue != -1) { \
0968cdad
JM		 2955 if (PL_statusvalue != EVMSERR) { \
2956 PL_statusvalue &= 0xFFFF; \
2957 if (MY_POSIX_EXIT) \
2958 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2959 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2960 } \
2961 else { \
2962 PL_statusvalue_vms = vaxc$errno; \
2963 } \
68dc0745 2964 } \
0968cdad
JM		 2965 else PL_statusvalue_vms = SS$_ABORT; \
2966 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2967 } STMT_END
2968
2969 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2970 * the NATIVE error status based on it.
2971 *
2972 * When in the default mode to comply with the Perl VMS documentation,
2973 * 0 is a success and any other code sets the NATIVE status to a failure
2974 * code of SS$_ABORT.
fb38d079
JM		 2975 *
2976 * In the new POSIX EXIT mode, native status will be set so that the
2977 * actual exit code will can be retrieved by the calling program or
2978 * shell.
2979 *
2980 * If the exit code is not clearly a UNIX parent or child exit status,
2981 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2982 */
2983
fb38d079 2984# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2985 STMT_START { \
2986 I32 evalue = (I32)n; \
2987 PL_statusvalue = evalue; \
e08e1e1d
JM		 2988 if (MY_POSIX_EXIT) { \
2989 if (evalue <= 0xFF00) { \
2990 if (evalue > 0xFF) \
2991 evalue = (evalue >> child_offset_bits) & 0xFF; \
2992 PL_statusvalue_vms = \
2993 (C_FAC_POSIX | (evalue << 3 ) | \
2994 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2995 } else /* forgive them Perl, for they have sinned */ \
2996 PL_statusvalue_vms = evalue; \
2997 } else { \
2998 if (evalue == 0) \
2999 PL_statusvalue_vms = SS$_NORMAL; \
3000 else if (evalue <= 0xFF00) \
3001 PL_statusvalue_vms = SS$_ABORT; \
3002 else { /* forgive them Perl, for they have sinned */ \
3003 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3004 else PL_statusvalue_vms = vaxc$errno; \
3005 /* And obviously used a VMS status value instead of UNIX */ \
3006 PL_statusvalue = EVMSERR; \
3007 } \
3008 set_vaxc_errno(PL_statusvalue_vms); \
3009 } \
68dc0745 3010 } STMT_END
fb38d079 3011
e08e1e1d 3012
6ac6a52b
JM		 3013 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3014 * and sets the NATIVE error status based on it. This special case
3015 * is needed to maintain compatibility with past VMS behavior.
3016 *
3017 * In the default mode on VMS, this number is passed through as
3018 * both the NATIVE and UNIX status. Which makes it different
3019 * that the STATUS_UNIX_EXIT_SET.
3020 *
3021 * In the new POSIX EXIT mode, native status will be set so that the
3022 * actual exit code will can be retrieved by the calling program or
3023 * shell.
3024 *
1a3aec58
JM		 3025 * A POSIX exit code is from 0 to 255. If the exit code is higher
3026 * than this, it needs to be assumed that it is a VMS exit code and
3027 * passed through.
6ac6a52b
JM		 3028 */
3029
3030# define STATUS_EXIT_SET(n) \
3031 STMT_START { \
3032 I32 evalue = (I32)n; \
3033 PL_statusvalue = evalue; \
3034 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3035 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3036 PL_statusvalue_vms = \
3037 (C_FAC_POSIX | (evalue << 3 ) | \
3038 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3039 else \
3040 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3041 set_vaxc_errno(PL_statusvalue_vms); \
3042 } STMT_END
3043
fb38d079
JM		 3044
3045 /* This macro forces a success status */
7a7fd8e0
JM		 3046# define STATUS_ALL_SUCCESS \
3047 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3048
3049 /* This macro forces a failure status */
7a7fd8e0
JM		 3050# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3051 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3052 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3053
68dc0745 3054#else
e5218da5 3055# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3056# if defined(WCOREDUMP)
37038d91 3057# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3058 STMT_START { \
3059 PL_statusvalue_posix = (n); \
3060 if (PL_statusvalue_posix == -1) \
3061 PL_statusvalue = -1; \
3062 else { \
3063 PL_statusvalue = \
3064 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3065 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3066 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3067 } \
3068 } STMT_END
3069# elif defined(WIFEXITED)
37038d91 3070# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3071 STMT_START { \
3072 PL_statusvalue_posix = (n); \
3073 if (PL_statusvalue_posix == -1) \
3074 PL_statusvalue = -1; \
3075 else { \
3076 PL_statusvalue = \
3077 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3078 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3079 } \
3080 } STMT_END
3081# else
37038d91 3082# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3083 STMT_START { \
3084 PL_statusvalue_posix = (n); \
3085 if (PL_statusvalue_posix == -1) \
3086 PL_statusvalue = -1; \
3087 else { \
3088 PL_statusvalue = \
3089 PL_statusvalue_posix & 0xFFFF; \
3090 } \
3091 } STMT_END
3092# endif
3093# define STATUS_UNIX_SET(n) \
68dc0745 3094 STMT_START { \
3280af22
NIS		 3095 PL_statusvalue = (n); \
3096 if (PL_statusvalue != -1) \
3097 PL_statusvalue &= 0xFFFF; \
68dc0745 3098 } STMT_END
7a7fd8e0 3099# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3100# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3101# define STATUS_CURRENT STATUS_UNIX
37038d91 3102# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3103# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3104# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3105#endif
3106
cc3604b1
GS		 3107/* flags in PL_exit_flags for nature of exit() */
3108#define PERL_EXIT_EXPECTED 0x01
31d77e54 3109#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3110
0b94c7bb 3111#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 3112# define MEMBER_TO_FPTR(name) name
3113#endif
3114
b79b76e0 3115#ifndef PERL_CORE
a7cb1f99 3116/* format to use for version numbers in file/directory names */
273cf8d1 3117/* XXX move to Configure? */
b79b76e0
NC		 3118/* This was only ever used for the current version, and that can be done at
3119 compile time, as PERL_FS_VERSION, so should we just delete it? */
3120# ifndef PERL_FS_VER_FMT
3121# define PERL_FS_VER_FMT "%d.%d.%d"
3122# endif
3123#endif
3124
3125#ifndef PERL_FS_VERSION
3126# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3127#endif
3128
45bc9206 3129/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3130 * performance issue, so we allow people to disable it. Also, if
3131 * we are using stdio, there are broken implementations of fflush(NULL)
3132 * out there, Solaris being the most prominent.
45bc9206
GS		 3133 */
3134#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3135# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3136# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3137# else
3138# ifdef FFLUSH_ALL
3139# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3140# else
c5be433b 3141# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3142# endif
66fe083f 3143# endif
45bc9206
GS		 3144#endif
3145
7766f137
GS		 3146#ifndef PERL_WAIT_FOR_CHILDREN
3147# define PERL_WAIT_FOR_CHILDREN NOOP
3148#endif
3149
ba869deb 3150/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3151#ifndef PERL_SET_INTERP
3152# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3153#endif
3154
3155#ifndef PERL_GET_INTERP
3156# define PERL_GET_INTERP (PL_curinterp)
3157#endif
3158
54aff467 3159#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3160# ifdef MULTIPLICITY
ba869deb 3161# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3162# endif
ba869deb
GS		 3163# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3164#endif
3165
00f254e2 3166/*
8896765a 3167 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3168 All that is required is that the perl source does not
00f254e2
KW		 3169 use "%-p" or "%-<number>p" or "%<number>p" formats.
3170 These formats will still work in perl code.
8896765a
RB		 3171 See comments in sv.c for futher details.
3172
8896765a 3173 Robin Barker 2005-07-14
f46d31f2 3174
00f254e2 3175 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3176*/
8896765a
RB		 3177
3178#ifndef SVf_
63ce7bf0 3179# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3180#endif
3181
8896765a 3182#ifndef SVf
104abab4 3183# define SVf "-p"
d2560b70
RB		 3184#endif
3185
014ead4b 3186#ifndef SVf32
8896765a 3187# define SVf32 SVf_(32)
014ead4b
RB		 3188#endif
3189
3190#ifndef SVf256
8896765a
RB		 3191# define SVf256 SVf_(256)
3192#endif
3193
be2597df
MHM		 3194#define SVfARG(p) ((void*)(p))
3195
f46d31f2 3196#ifdef PERL_CORE
00f254e2 3197/* not used; but needed for backward compatibilty with XS code? - RMB */
f46d31f2
RB		 3198# undef VDf
3199#else
3200# ifndef VDf
8896765a
RB		 3201# define VDf "vd"
3202# endif
014ead4b 3203#endif
170cd9e9
NC		 3204
3205#ifdef PERL_CORE
00f254e2 3206/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB		 3207# undef UVf
3208#else
170cd9e9
NC		 3209# ifndef UVf
3210# define UVf UVuf
3211# endif
d2560b70
RB		 3212#endif
3213
fcdf39cf
RGS		 3214#ifdef HASATTRIBUTE_DEPRECATED
3215# define __attribute__deprecated__ __attribute__((deprecated))
3216#endif
0dbb1585
AL		 3217#ifdef HASATTRIBUTE_FORMAT
3218# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3219#endif
3220#ifdef HASATTRIBUTE_MALLOC
77785eea 3221# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3222#endif
0dbb1585 3223#ifdef HASATTRIBUTE_NONNULL
abb2c242 3224# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3225#endif
0dbb1585 3226#ifdef HASATTRIBUTE_NORETURN
abb2c242 3227# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3228#endif
0dbb1585 3229#ifdef HASATTRIBUTE_PURE
abb2c242 3230# define __attribute__pure__ __attribute__((pure))
f22be1b8 3231#endif
0dbb1585
AL		 3232#ifdef HASATTRIBUTE_UNUSED
3233# define __attribute__unused__ __attribute__((unused))
3234#endif
3235#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3236# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3237#endif
3238
0dbb1585 3239/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3240#ifndef __attribute__deprecated__
3241# define __attribute__deprecated__
3242#endif
0dbb1585
AL		 3243#ifndef __attribute__format__
3244# define __attribute__format__(x,y,z)
3245#endif
f22be1b8 3246#ifndef __attribute__malloc__
abb2c242 3247# define __attribute__malloc__
f22be1b8
JH		 3248#endif
3249#ifndef __attribute__nonnull__
abb2c242 3250# define __attribute__nonnull__(a)
f22be1b8
JH		 3251#endif
3252#ifndef __attribute__noreturn__
abb2c242 3253# define __attribute__noreturn__
f22be1b8
JH		 3254#endif
3255#ifndef __attribute__pure__
abb2c242 3256# define __attribute__pure__
f22be1b8 3257#endif
0dbb1585
AL		 3258#ifndef __attribute__unused__
3259# define __attribute__unused__
3260#endif
f22be1b8 3261#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3262# define __attribute__warn_unused_result__
3263#endif
3264
0dbb1585
AL		 3265/* For functions that are marked as __attribute__noreturn__, it's not
3266 appropriate to call return. In either case, include the lint directive.
3267 */
3268#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3269# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3270#else
b37c2d43 3271# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3272#endif
3273
cdfeb707
RB		 3274/* Some OS warn on NULL format to printf */
3275#ifdef PRINTF_FORMAT_NULL_OK
3276# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3277#else
00f254e2 3278# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3279#endif
3280
635aebb7 3281#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3282# define EXPECT(expr,val) __builtin_expect(expr,val)
3283#else
3284# define EXPECT(expr,val) (expr)
3285#endif
3286#define LIKELY(cond) EXPECT(cond,1)
3287#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3288#ifdef HAS_BUILTIN_CHOOSE_EXPR
3289/* placeholder */
3290#endif
b37c2d43 3291
3fc1aec6 3292/* Some unistd.h's give a prototype for pause() even though
3293 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3294 below to be rejected by the compiler. Sigh.
3fc1aec6 3295*/
3296#ifdef HAS_PAUSE
3297#define Pause pause
3298#else
3299#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3300#endif
3301
3302#ifndef IOCPARM_LEN
3303# ifdef IOCPARM_MASK
61f1c44b 3304 /* on BSDish systems we're safe */
748a9306
LW		 3305# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3306# else
61f1c44b 3307# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3308 /* on Linux systems we're safe; except when we're not [perl #38223] */
3309# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3310# else
748a9306 3311 /* otherwise guess at what's safe */
61f1c44b
JVD		 3312# define IOCPARM_LEN(x) 256
3313# endif
748a9306 3314# endif
a0d0e21e
LW		 3315#endif
3316
1761cee5 3317#if defined(__CYGWIN__)
521e0776
GS		 3318/* USEMYBINMODE
3319 * This symbol, if defined, indicates that the program should
16fe6d59 3320 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3321 * that a file is in "binary" mode -- that is, that no translation
3322 * of bytes occurs on read or write operations.
3323 */
36894f0b 3324# define USEMYBINMODE /**/
77a40698 3325# include <io.h> /* for setmode() prototype */
16fe6d59 3326# define my_binmode(fp, iotype, mode) \
77a40698 3327 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3328#endif
3329
88d10794
JH		 3330#ifdef __CYGWIN__
3331void init_os_extras(void);
3332#endif
3333
cea2e8a9
GS		 3334#ifdef UNION_ANY_DEFINITION
3335UNION_ANY_DEFINITION;
3336#else
3337union any {
3338 void* any_ptr;
3339 I32 any_i32;
3340 IV any_iv;
c6bf6a65 3341 UV any_uv;
cea2e8a9 3342 long any_long;
9febdf04 3343 bool any_bool;
c76ac1ee 3344 void (*any_dptr) (void*);
acfe0abc 3345 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3346};
3347#endif
3348
acfe0abc 3349typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3350
3351#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3352#define FILTER_DATA(idx) \
3353 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3354#define FILTER_ISREADER(idx) \
3355 (PL_parser && PL_parser->rsfp_filters \
3356 && idx >= AvFILLp(PL_parser->rsfp_filters))
3357#define PERL_FILTER_EXISTS(i) \
3358 (PL_parser && PL_parser->rsfp_filters \
3359 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3360
c5078cac
JH		 3361#if defined(_AIX) && !defined(_AIX43)
3362#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3363/* We cannot include <crypt.h> to get the struct crypt_data
3364 * because of setkey prototype problems when threading */
3365typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3366 /* From OSF, Not needed in AIX
3367 char C[28], D[28];
3368 */
3369 char E[48];
3370 char KS[16][48];
3371 char block[66];
3372 char iobuf[16];
3373} CRYPTD;
3374#endif /* threading */
3375#endif /* AIX */
3376
e37778c2 3377#if !defined(OS2)
2c2d71f5
JH		 3378# include "iperlsys.h"
3379#endif
504f80c1 3380
9c12f1e5 3381#ifdef __LIBCATAMOUNT__
00f254e2 3382#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3383#undef HAS_GROUP
3384#define FAKE_BIT_BUCKET
3385#endif
3386
d10dc2ae
JH		 3387/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3388 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3389 * defined by Configure, despite their names being similar to the
3390 * other defines like USE_ITHREADS. Configure in fact knows nothing
3391 * about the randomised hashes. Therefore to enable/disable the hash
3392 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3393#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3394# define USE_HASH_SEED
504f80c1
JH		 3395#endif
3396
598921a7
NC		 3397/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3398 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3399 * it's not really needed.
3400 */
3401#if defined(WIN32)
3402# define YYTOKENTYPE
3403#endif
3404#include "perly.h"
3405
3406#ifdef PERL_MAD
3407struct nexttoken {
3408 YYSTYPE next_val; /* value of next token, if any */
3409 I32 next_type; /* type of next token */
3410 MADPROP *next_mad; /* everything else about that token */
3411};
3412#endif
3413
654eccd5
JD		 3414/* macros to define bit-fields in structs. */
3415#ifndef PERL_BITFIELD8
3416# define PERL_BITFIELD8 unsigned
3417#endif
3418#ifndef PERL_BITFIELD16
3419# define PERL_BITFIELD16 unsigned
3420#endif
3421#ifndef PERL_BITFIELD32
3422# define PERL_BITFIELD32 unsigned
3423#endif
3424
79072805 3425#include "sv.h"
288b8c02 3426#include "regexp.h"
378cc40b 3427#include "util.h"
8d063cd8 3428#include "form.h"
79072805 3429#include "gv.h"
dd2155a4 3430#include "pad.h"
79072805 3431#include "cv.h"
abdd5c84 3432#include "opnames.h"
79072805 3433#include "op.h"
b3ca2e83 3434#include "hv.h"
79072805
LW		 3435#include "cop.h"
3436#include "av.h"
79072805
LW		 3437#include "mg.h"
3438#include "scope.h"
4438c4b7 3439#include "warnings.h"
a0ed51b3 3440#include "utf8.h"
8d063cd8 3441
0d7d409d
DM		 3442/* these would be in doio.h if there was such a file */
3443#define my_stat() my_stat_flags(SV_GMAGIC)
3444#define my_lstat() my_lstat_flags(SV_GMAGIC)
3445
20f4945e 3446/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3447#undef _XPV_HEAD
3448#undef _XPVMG_HEAD
3449#undef _XPVCV_COMMON
7fae4e64
GS		 3450
3451typedef struct _sublex_info SUBLEXINFO;
3452struct _sublex_info {
651b5b28
NC		 3453 U8 super_state; /* lexer state to save */
3454 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3455 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3456 char *super_bufptr; /* PL_parser->bufptr that was */
3457 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3458};
3459
199e78b7
DM		 3460#include "parser.h"
3461
455ece5e 3462typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3463
2c2d71f5 3464struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3465struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3466
5f7fde29
GS		 3467struct ptr_tbl_ent {
3468 struct ptr_tbl_ent* next;
53c1dcc0 3469 const void* oldval;
5f7fde29 3470 void* newval;
d18c6117
GS		 3471};
3472
5f7fde29
GS		 3473struct ptr_tbl {
3474 struct ptr_tbl_ent** tbl_ary;
3475 UV tbl_max;
3476 UV tbl_items;
db93c0c4
NC		 3477 struct ptr_tbl_arena *tbl_arena;
3478 struct ptr_tbl_ent *tbl_arena_next;
3479 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3480};
3481
450a55e4 3482#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3483# define I286
3484#endif
3485
fe14fcc3
LW		 3486#if defined(htonl) && !defined(HAS_HTONL)
3487#define HAS_HTONL
ae986130 3488#endif
fe14fcc3
LW		 3489#if defined(htons) && !defined(HAS_HTONS)
3490#define HAS_HTONS
ae986130 3491#endif
fe14fcc3
LW		 3492#if defined(ntohl) && !defined(HAS_NTOHL)
3493#define HAS_NTOHL
ae986130 3494#endif
fe14fcc3
LW		 3495#if defined(ntohs) && !defined(HAS_NTOHS)
3496#define HAS_NTOHS
ae986130 3497#endif
fe14fcc3 3498#ifndef HAS_HTONL
d9d8d8de 3499#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3500#define HAS_HTONS
3501#define HAS_HTONL
3502#define HAS_NTOHS
3503#define HAS_NTOHL
a687059c
LW		 3504#define MYSWAP
3505#define htons my_swap
3506#define htonl my_htonl
3507#define ntohs my_swap
3508#define ntohl my_ntohl
3509#endif
3510#else
d9d8d8de 3511#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3512#undef HAS_HTONS
3513#undef HAS_HTONL
3514#undef HAS_NTOHS
3515#undef HAS_NTOHL
a687059c
LW		 3516#endif
3517#endif
3518
988174c1
LW		 3519/*
3520 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3521 * -DWS
3522 */
3523#if BYTEORDER != 0x1234
3524# define HAS_VTOHL
3525# define HAS_VTOHS
3526# define HAS_HTOVL
3527# define HAS_HTOVS
c67712b2 3528# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3529# define vtohl(x) ((((x)&0xFF)<<24) \
3530 +(((x)>>24)&0xFF) \
3531 +(((x)&0x0000FF00)<<8) \
3532 +(((x)&0x00FF0000)>>8) )
3533# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3534# define htovl(x) vtohl(x)
3535# define htovs(x) vtohs(x)
3536# endif
3537 /* otherwise default to functions in util.c */
2a8c3029 3538#ifndef htovs
c623ac67
GS		 3539short htovs(short n);
3540short vtohs(short n);
3541long htovl(long n);
3542long vtohl(long n);
988174c1 3543#endif
2a8c3029 3544#endif
988174c1 3545
3bb7c1b4
JH		 3546/* *MAX Plus 1. A floating point value.
3547 Hopefully expressed in a way that dodgy floating point can't mess up.
3548 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3549 is added to it
3550 May find that some broken compiler will want the value cast to I32.
3551 [after the shift, as signed >> may not be as secure as unsigned >>]
3552*/
3553#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3554#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3555/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3556 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3557 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3558*/
3559#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3560
3bb7c1b4
JH		 3561#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3562#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3563#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3564
3565/* This may look like unnecessary jumping through hoops, but converting
3566 out of range floating point values to integers *is* undefined behaviour,
3567 and it is starting to bite.
3568*/
3569#ifndef CAST_INLINE
65202027 3570#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3571#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3572#define I_V(what) (cast_iv((NV)(what)))
3573#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3574#else
3575#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3576 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3577 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3578#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3579 : ((n) < U32_MAX_P1 ? (U32) (n) \
3580 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3581#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3582 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3583 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3584#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3585 : ((n) < UV_MAX_P1 ? (UV) (n) \
3586 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3587#endif
3588
3589#define U_S(what) ((U16)U_32(what))
3590#define U_I(what) ((unsigned int)U_32(what))
3591#define U_L(what) U_32(what)
ed6116ce 3592
ed140128
AD		 3593#ifdef HAS_SIGNBIT
3594# define Perl_signbit signbit
3595#endif
3596
2d4389e4
JH		 3597/* These do not care about the fractional part, only about the range. */
3598#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3599#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3600
25da4f38
IZ		 3601/* Used with UV/IV arguments: */
3602 /* XXXX: need to speed it up */
3603#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3604#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3605
352d5a3a
LW		 3606#ifndef MAXSYSFD
3607# define MAXSYSFD 2
3608#endif
ee0007ab 3609
79072805 3610#ifndef __cplusplus
27da23d5 3611#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3612Uid_t getuid (void);
3613Uid_t geteuid (void);
3614Gid_t getgid (void);
3615Gid_t getegid (void);
79072805 3616#endif
e1caacb4 3617#endif
8d063cd8 3618
0c30d9ec 3619#ifndef Perl_debug_log
bf49b057
GS		 3620# define Perl_debug_log PerlIO_stderr()
3621#endif
3622
3623#ifndef Perl_error_log
3624# define Perl_error_log (PL_stderrgv \
6b78add2 3625 && isGV(PL_stderrgv) \
01bb7c6d 3626 && GvIOp(PL_stderrgv) \
42de951c 3627 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3628 ? IoOFP(GvIOp(PL_stderrgv)) \
3629 : PerlIO_stderr())
0c30d9ec 3630#endif
3967c732 3631
aea4f609
DM		 3632
3633#define DEBUG_p_FLAG 0x00000001 /* 1 */
3634#define DEBUG_s_FLAG 0x00000002 /* 2 */
3635#define DEBUG_l_FLAG 0x00000004 /* 4 */
3636#define DEBUG_t_FLAG 0x00000008 /* 8 */
3637#define DEBUG_o_FLAG 0x00000010 /* 16 */
3638#define DEBUG_c_FLAG 0x00000020 /* 32 */
3639#define DEBUG_P_FLAG 0x00000040 /* 64 */
3640#define DEBUG_m_FLAG 0x00000080 /* 128 */
3641#define DEBUG_f_FLAG 0x00000100 /* 256 */
3642#define DEBUG_r_FLAG 0x00000200 /* 512 */
3643#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3644#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3645/* U is reserved for Unofficial, exploratory hacking */
3646#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3647#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3648#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3649#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3650/* 0x00010000 is unused, used to be S */
aea4f609 3651#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3652#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3653#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3654#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3655#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3656#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3657#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3658#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3659#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3660#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3661
3662#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3663#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3664 that something was done? */
aea4f609 3665
bd16a5f0
IZ		 3666# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3667# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3668# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3669# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3670# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3671# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3672# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3673# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3674# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3675# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3676# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3677# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3678# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3679# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3680# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3681# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3682# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3683# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3684# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3685# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3686# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3687# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3688# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3689# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3690# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3691# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3692# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3693
3967c732 3694#ifdef DEBUGGING
aea4f609 3695
bd16a5f0
IZ		 3696# define DEBUG_p_TEST DEBUG_p_TEST_
3697# define DEBUG_s_TEST DEBUG_s_TEST_
3698# define DEBUG_l_TEST DEBUG_l_TEST_
3699# define DEBUG_t_TEST DEBUG_t_TEST_
3700# define DEBUG_o_TEST DEBUG_o_TEST_
3701# define DEBUG_c_TEST DEBUG_c_TEST_
3702# define DEBUG_P_TEST DEBUG_P_TEST_
3703# define DEBUG_m_TEST DEBUG_m_TEST_
3704# define DEBUG_f_TEST DEBUG_f_TEST_
3705# define DEBUG_r_TEST DEBUG_r_TEST_
3706# define DEBUG_x_TEST DEBUG_x_TEST_
3707# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3708# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3709# define DEBUG_H_TEST DEBUG_H_TEST_
3710# define DEBUG_X_TEST DEBUG_X_TEST_
3711# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3712# define DEBUG_T_TEST DEBUG_T_TEST_
3713# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3714# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3715# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3716# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3717# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3718# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3719# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3720# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3721# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3722# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3723
488b0c7a
JH		 3724# define PERL_DEB(a) a
3725# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3726# define DEBUG_p(a) if (DEBUG_p_TEST) a
3727# define DEBUG_s(a) if (DEBUG_s_TEST) a
3728# define DEBUG_l(a) if (DEBUG_l_TEST) a
3729# define DEBUG_t(a) if (DEBUG_t_TEST) a
3730# define DEBUG_o(a) if (DEBUG_o_TEST) a
3731# define DEBUG_c(a) if (DEBUG_c_TEST) a
3732# define DEBUG_P(a) if (DEBUG_P_TEST) a
3733
969058bb
VK		 3734 /* Temporarily turn off memory debugging in case the a
3735 * does memory allocation, either directly or indirectly. */
acfe0abc 3736# define DEBUG_m(a) \
0b250b9e 3737 STMT_START { \
aea4f609 3738 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3739 } STMT_END
aea4f609 3740
5f80b19c
AMS		 3741# define DEBUG__(t, a) \
3742 STMT_START { \
3743 if (t) STMT_START {a;} STMT_END; \
3744 } STMT_END
3745
3746# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3747#ifndef PERL_EXT_RE_BUILD
5f80b19c 3748# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3749#else
3750# define DEBUG_r(a) STMT_START {a;} STMT_END
3751#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3752# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3753# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3754# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3755# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3756# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3757# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3758# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3759# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3760
5f80b19c
AMS		 3761# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3762# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3763# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3764# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3765# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3766# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3767# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3768# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3769
3770#else /* DEBUGGING */
3771
3772# define DEBUG_p_TEST (0)
3773# define DEBUG_s_TEST (0)
3774# define DEBUG_l_TEST (0)
3775# define DEBUG_t_TEST (0)
3776# define DEBUG_o_TEST (0)
3777# define DEBUG_c_TEST (0)
3778# define DEBUG_P_TEST (0)
3779# define DEBUG_m_TEST (0)
3780# define DEBUG_f_TEST (0)
3781# define DEBUG_r_TEST (0)
3782# define DEBUG_x_TEST (0)
3783# define DEBUG_u_TEST (0)
88d2d28a 3784# define DEBUG_U_TEST (0)
aea4f609
DM		 3785# define DEBUG_H_TEST (0)
3786# define DEBUG_X_TEST (0)
3787# define DEBUG_D_TEST (0)
aea4f609 3788# define DEBUG_T_TEST (0)
04932ac8 3789# define DEBUG_R_TEST (0)
1045810a 3790# define DEBUG_J_TEST (0)
d6721266 3791# define DEBUG_v_TEST (0)
46187eeb