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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
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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
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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
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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)
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62# define MULTIPLICITY
63# endif
64#endif
65
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66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
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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
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84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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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
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117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
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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
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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
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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
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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
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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
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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
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197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
4373e329
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200# define pTHX_5 6
201# define pTHX_6 7
a3b680e6
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202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
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205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
c5be433b
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210#endif
211
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212#define STATIC static
213#define CPERLscope(x) x
565764a8 214#define CPERLarg void
76e3520e 215#define CPERLarg_
e3b8966e 216#define _CPERLarg
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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
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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
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356/* Don't bother defining tTHX and sTHX; using them outside
357 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
358 */
0cb96387
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359# define pTHX void
360# define pTHX_
0cb96387
GS
361# define aTHX
362# define aTHX_
0cb96387
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363# define dTHXa(a) dNOOP
364# define dTHX dNOOP
894356b3
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365# define pTHX_1 1
366# define pTHX_2 2
367# define pTHX_3 3
368# define pTHX_4 4
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369# define pTHX_5 5
370# define pTHX_6 6
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371# define pTHX_7 7
372# define pTHX_8 8
373# define pTHX_9 9
0cb96387
GS
374#endif
375
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376#ifndef dVAR
377# define dVAR dNOOP
378#endif
379
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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
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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
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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
PP
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
PP
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
PP
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
PP
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
PP
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
PP
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
PP
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
PP
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
PP
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
f1200559
WH
982/* sv_grow() will expand strings by at least a certain percentage of
983 the previously *used* length to avoid excessive calls to realloc().
984 The default is 25% of the current length.
985*/
986#ifndef PERL_STRLEN_EXPAND_SHIFT
987# define PERL_STRLEN_EXPAND_SHIFT 2
988#endif
989
51371543
GS
990#if defined(STANDARD_C) && defined(I_STDDEF)
991# include <stddef.h>
992# define STRUCT_OFFSET(s,m) offsetof(s,m)
993#else
994# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
995#endif
996
9969cdde 997#ifndef __SYMBIAN32__
27da23d5
JH
998# if defined(I_STRING) || defined(__cplusplus)
999# include <string.h>
1000# else
1001# include <strings.h>
1002# endif
51371543
GS
1003#endif
1004
55497cff
PP
1005/* This comes after <stdlib.h> so we don't try to change the standard
1006 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1007
4633a7c4 1008#ifdef MYMALLOC
86058a2d 1009# ifdef PERL_POLLUTE_MALLOC
ee13e175 1010# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
1011# define Perl_malloc malloc
1012# define Perl_calloc calloc
1013# define Perl_realloc realloc
1014# define Perl_mfree free
ee13e175 1015# endif
86058a2d
GS
1016# else
1017# define EMBEDMYMALLOC /* for compatibility */
1018# endif
827e134a 1019
651b9576
GS
1020# define safemalloc Perl_malloc
1021# define safecalloc Perl_calloc
1022# define saferealloc Perl_realloc
1023# define safefree Perl_mfree
22f7c9c9
JH
1024# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1025 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1026 code; \
1027 } STMT_END
1028# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1029 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1030# define panic_write2(s) write(2, s, strlen(s))
1031# define CHECK_MALLOC_TAINT(newval) \
1032 CHECK_MALLOC_TOO_LATE_FOR_( \
1033 if (newval) { \
1034 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1035 exit(1); })
22f7c9c9 1036# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1037 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1038 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1039 }} STMT_END;
f2517201
GS
1040#else /* MYMALLOC */
1041# define safemalloc safesysmalloc
1042# define safecalloc safesyscalloc
1043# define saferealloc safesysrealloc
1044# define safefree safesysfree
22f7c9c9
JH
1045# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1046# define CHECK_MALLOC_TAINT(newval) ((void)0)
1047# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1048#endif /* MYMALLOC */
4633a7c4 1049
fe13d51d 1050/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1051#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
1052#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1053#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1054#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1055
a0d0e21e
LW
1056#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1057#define strchr index
1058#define strrchr rindex
1059#endif
1060
16d20bd9
AD
1061#ifdef I_MEMORY
1062# include <memory.h>
1063#endif
1064
fe14fcc3 1065#ifdef HAS_MEMCPY
85e6fe83 1066# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1067# ifndef memcpy
20ce7b12 1068 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1069# endif
1070# endif
1071#else
1072# ifndef memcpy
1073# ifdef HAS_BCOPY
1074# define memcpy(d,s,l) bcopy(s,d,l)
1075# else
1076# define memcpy(d,s,l) my_bcopy(s,d,l)
1077# endif
1078# endif
1079#endif /* HAS_MEMCPY */
fe14fcc3 1080
ee0007ab 1081#ifdef HAS_MEMSET
85e6fe83 1082# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1083# ifndef memset
20ce7b12 1084 extern char *memset (char*, int, int);
ee0007ab
LW
1085# endif
1086# endif
ee0007ab 1087#else
12ae5dfc 1088# undef memset
fc36a67e 1089# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1090#endif /* HAS_MEMSET */
1091
85e6fe83 1092#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1093# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1094# define memmove(d,s,l) bcopy(s,d,l)
1095# else
2304df62 1096# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1097# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1098# else
79072805 1099# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1100# endif
352d5a3a 1101# endif
d9d8d8de 1102#endif
ee0007ab 1103
36477c24
PP
1104#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1105# undef HAS_MEMCMP
1106#endif
1107
1108#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1109# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1110# ifndef memcmp
20ce7b12 1111 extern int memcmp (char*, char*, int);
ee0007ab
LW
1112# endif
1113# endif
36477c24 1114# ifdef BUGGY_MSC
7e4e8c89 1115# pragma function(memcmp)
36477c24 1116# endif
ee0007ab
LW
1117#else
1118# ifndef memcmp
ecfc5424 1119# define memcmp my_memcmp
352d5a3a 1120# endif
36477c24 1121#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1122
fc36a67e 1123#ifndef memzero
c635e13b
PP
1124# ifdef HAS_MEMSET
1125# define memzero(d,l) memset(d,0,l)
79072805 1126# else
c635e13b
PP
1127# ifdef HAS_BZERO
1128# define memzero(d,l) bzero(d,l)
79072805 1129# else
fc36a67e 1130# define memzero(d,l) my_bzero(d,l)
79072805
LW
1131# endif
1132# endif
d9d8d8de 1133#endif
378cc40b 1134
2f42fcb0 1135#ifndef PERL_MICRO
0f27ced1
JH
1136#ifndef memchr
1137# ifndef HAS_MEMCHR
1138# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1139# endif
1140#endif
2f42fcb0 1141#endif
0f27ced1 1142
36477c24
PP
1143#ifndef HAS_BCMP
1144# ifndef bcmp
1145# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1146# endif
36477c24 1147#endif /* !HAS_BCMP */
378cc40b 1148
ae986130 1149#ifdef I_NETINET_IN
79072805 1150# include <netinet/in.h>
ae986130
LW
1151#endif
1152
28e8609d
JH
1153#ifdef I_ARPA_INET
1154# include <arpa/inet.h>
1155#endif
1156
84902520
TB
1157#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1158/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1159 * (the neo-BSD seem to do this). */
1160# undef SF_APPEND
1161#endif
1162
1aef975c 1163#ifdef I_SYS_STAT
84902520 1164# include <sys/stat.h>
1aef975c 1165#endif
79072805 1166
287a962e
JD
1167/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1168 This definition should ideally go into win32/win32.h, but S_IFIFO is
1169 used later here in perl.h before win32/win32.h is being included. */
1170#if !defined(S_IFIFO) && defined(_S_IFIFO)
1171# define S_IFIFO _S_IFIFO
1172#endif
1173
a0d0e21e
LW
1174/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1175 like UTekV) are broken, sometimes giving false positives. Undefine
1176 them here and let the code below set them to proper values.
1177
1178 The ghs macro stands for GreenHills Software C-1.8.5 which
1179 is the C compiler for sysV88 and the various derivatives.
1180 This header file bug is corrected in gcc-2.5.8 and later versions.
1181 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1182
1183#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1184# undef S_ISDIR
1185# undef S_ISCHR
1186# undef S_ISBLK
1187# undef S_ISREG
1188# undef S_ISFIFO
1189# undef S_ISLNK
ee0007ab 1190#endif
135863df 1191
663a0e37
LW
1192#ifdef I_TIME
1193# include <time.h>
ffed7fef 1194#endif
663a0e37 1195
fe14fcc3 1196#ifdef I_SYS_TIME
85e6fe83 1197# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1198# define KERNEL
1199# endif
1200# include <sys/time.h>
85e6fe83 1201# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1202# undef KERNEL
1203# endif
a687059c 1204#endif
135863df 1205
55497cff 1206#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1207# include <sys/times.h>
d9d8d8de 1208#endif
8d063cd8 1209
fe14fcc3 1210#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1211# undef HAS_STRERROR
663a0e37
LW
1212#endif
1213
1214#include <errno.h>
1e743fda 1215
acfe0abc 1216#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1217# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1218#endif
1219
8cfab5ff 1220/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1221 * This is important for using IPv6.
8cfab5ff
JH
1222 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1223 * a bad idea since it breaks send() and recv(). */
1224#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1225# define _SOCKADDR_LEN
1226#endif
1227
8d3f517a 1228#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1229# include <sys/socket.h>
1230# if defined(USE_SOCKS) && defined(I_SOCKS)
1231# if !defined(INCLUDE_PROTOTYPES)
1232# define INCLUDE_PROTOTYPES /* for <socks.h> */
1233# define PERL_SOCKS_NEED_PROTOTYPES
1234# endif
1235# include <socks.h>
1236# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1237# undef INCLUDE_PROTOTYPES
1238# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1239# endif
d460ef45 1240# endif
1e743fda 1241# ifdef I_NETDB
2986a63f
JH
1242# ifdef NETWARE
1243# include<stdio.h>
1244# endif
1e743fda
JH
1245# include <netdb.h>
1246# endif
1247# ifndef ENOTSOCK
1248# ifdef I_NET_ERRNO
1249# include <net/errno.h>
1250# endif
1251# endif
1252#endif
1253
fa0a29af 1254/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1255 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1256 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1257#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1258# if defined(__THROW) && defined(__GLIBC__)
1259int sockatmark(int) __THROW;
1260# else
2ef53570 1261int sockatmark(int);
29820b6d 1262# endif
2ef53570
JH
1263#endif
1264
7e827271 1265#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
1266EXTERN_C int fchdir(int);
1267EXTERN_C int flock(int, int);
1268EXTERN_C int fseeko(FILE *, off_t, int);
1269EXTERN_C off_t ftello(FILE *);
1270#endif
1271
7e827271 1272#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1273EXTERN_C char *crypt(const char *, const char *);
7e827271 1274EXTERN_C char **environ;
1ccb7c8d
JH
1275#endif
1276
83a6ff2e 1277#if defined(__cplusplus)
944c4fda 1278# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1279EXTERN_C char **environ;
83a6ff2e 1280# elif defined(__CYGWIN__)
667e2948
SP
1281EXTERN_C char *crypt(const char *, const char *);
1282#endif
83a6ff2e 1283#endif
667e2948 1284
1e743fda
JH
1285#ifdef SETERRNO
1286# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1287#endif
f86702cc
PP
1288
1289#ifdef VMS
1290# define SETERRNO(errcode,vmserrcode) \
1291 STMT_START { \
1292 set_errno(errcode); \
1293 set_vaxc_errno(vmserrcode); \
1294 } STMT_END
4ee39169
CS
1295# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1296# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1297# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1298# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1299
93189314
JH
1300# define LIB_INVARG LIB$_INVARG
1301# define RMS_DIR RMS$_DIR
1302# define RMS_FAC RMS$_FAC
1303# define RMS_FEX RMS$_FEX
1304# define RMS_FNF RMS$_FNF
1305# define RMS_IFI RMS$_IFI
1306# define RMS_ISI RMS$_ISI
1307# define RMS_PRV RMS$_PRV
1308# define SS_ACCVIO SS$_ACCVIO
1309# define SS_DEVOFFLINE SS$_DEVOFFLINE
1310# define SS_IVCHAN SS$_IVCHAN
1311# define SS_NORMAL SS$_NORMAL
748a9306 1312#else
aba27d88 1313# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1314# define dSAVEDERRNO int saved_errno
1315# define dSAVE_ERRNO int saved_errno = errno
1316# define SAVE_ERRNO (saved_errno = errno)
1317# define RESTORE_ERRNO (errno = saved_errno)
1318
93189314
JH
1319# define LIB_INVARG 0
1320# define RMS_DIR 0
1321# define RMS_FAC 0
1322# define RMS_FEX 0
1323# define RMS_FNF 0
1324# define RMS_IFI 0
1325# define RMS_ISI 0
1326# define RMS_PRV 0
1327# define SS_ACCVIO 0
1328# define SS_DEVOFFLINE 0
1329# define SS_IVCHAN 0
1330# define SS_NORMAL 0
748a9306 1331#endif
ed6116ce 1332
f5fa9033 1333#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1334
1335#define CLEAR_ERRSV() STMT_START { \
1336 if (!GvSV(PL_errgv)) { \
1337 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1338 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1339 SvREFCNT_dec(GvSV(PL_errgv)); \
1340 GvSV(PL_errgv) = newSVpvs(""); \
1341 } else { \
1342 SV *const errsv = GvSV(PL_errgv); \
1343 sv_setpvs(errsv, ""); \
1344 if (SvMAGICAL(errsv)) { \
1345 mg_free(errsv); \
1346 } \
1347 SvPOK_only(errsv); \
1348 } \
1349 } STMT_END
1350
1351
414bf5ae
MHM
1352#ifdef PERL_CORE
1353# define DEFSV (0 + GvSVn(PL_defgv))
1354#else
1355# define DEFSV GvSVn(PL_defgv)
1356#endif
1357#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1358#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1359
98eae8f5
GS
1360#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1361
55497cff 1362#ifndef errno
5ff3f7a4
GS
1363 extern int errno; /* ANSI allows errno to be an lvalue expr.
1364 * For example in multithreaded environments
1365 * something like this might happen:
1366 * extern int *_errno(void);
1367 * #define errno (*_errno()) */
d9d8d8de 1368#endif
663a0e37 1369
2304df62 1370#ifdef HAS_STRERROR
a0d0e21e 1371# ifdef VMS
20ce7b12 1372 char *strerror (int,...);
a0d0e21e 1373# else
68dc0745 1374#ifndef DONT_DECLARE_STD
20ce7b12 1375 char *strerror (int);
68dc0745 1376#endif
a0d0e21e 1377# endif
2304df62
AD
1378# ifndef Strerror
1379# define Strerror strerror
1380# endif
1381#else
1382# ifdef HAS_SYS_ERRLIST
79072805
LW
1383 extern int sys_nerr;
1384 extern char *sys_errlist[];
2304df62
AD
1385# ifndef Strerror
1386# define Strerror(e) \
79072805 1387 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1388# endif
79072805 1389# endif
35c8bce7 1390#endif
663a0e37 1391
2304df62 1392#ifdef I_SYS_IOCTL
79072805
LW
1393# ifndef _IOCTL_
1394# include <sys/ioctl.h>
1395# endif
a687059c
LW
1396#endif
1397
ee0007ab 1398#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1399# ifdef HAS_SOCKETPAIR
1400# undef HAS_SOCKETPAIR
1401# endif
2304df62
AD
1402# ifdef I_NDBM
1403# undef I_NDBM
79072805 1404# endif
a687059c
LW
1405#endif
1406
02fc2eee
NC
1407#ifndef HAS_SOCKETPAIR
1408# ifdef HAS_SOCKET
1409# define socketpair Perl_my_socketpair
1410# endif
1411#endif
1412
a687059c 1413#if INTSIZE == 2
79072805
LW
1414# define htoni htons
1415# define ntohi ntohs
a687059c 1416#else
79072805
LW
1417# define htoni htonl
1418# define ntohi ntohl
a687059c
LW
1419#endif
1420
a0d0e21e 1421/* Configure already sets Direntry_t */
35c8bce7 1422#if defined(I_DIRENT)
663a0e37 1423# include <dirent.h>
8f1f23e8
W
1424 /* NeXT needs dirent + sys/dir.h */
1425# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1426# include <sys/dir.h>
1427# endif
ae986130 1428#else
fe14fcc3 1429# ifdef I_SYS_NDIR
79a0689e 1430# include <sys/ndir.h>
663a0e37 1431# else
fe14fcc3 1432# ifdef I_SYS_DIR
79a0689e
LW
1433# ifdef hp9000s500
1434# include <ndir.h> /* may be wrong in the future */
1435# else
1436# include <sys/dir.h>
1437# endif
663a0e37
LW
1438# endif
1439# endif
4633a7c4 1440#endif
a687059c 1441
12ae5dfc
JH
1442#ifdef PERL_MICRO
1443# ifndef DIR
1444# define DIR void
1445# endif
1446#endif
1447
352d5a3a
LW
1448#ifdef FPUTS_BOTCH
1449/* work around botch in SunOS 4.0.1 and 4.0.2 */
1450# ifndef fputs
79072805 1451# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1452# endif
1453#endif
1454
c623bd54
LW
1455/*
1456 * The following gobbledygook brought to you on behalf of __STDC__.
1457 * (I could just use #ifndef __STDC__, but this is more bulletproof
1458 * in the face of half-implementations.)
1459 */
1460
7114a2d2 1461#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1462#include <sys/mode.h>
1463#endif
1464
c623bd54
LW
1465#ifndef S_IFMT
1466# ifdef _S_IFMT
1467# define S_IFMT _S_IFMT
1468# else
1469# define S_IFMT 0170000
1470# endif
1471#endif
1472
1473#ifndef S_ISDIR
1474# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1475#endif
1476
1477#ifndef S_ISCHR
1478# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1479#endif
1480
1481#ifndef S_ISBLK
fe14fcc3
LW
1482# ifdef S_IFBLK
1483# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1484# else
1485# define S_ISBLK(m) (0)
1486# endif
c623bd54
LW
1487#endif
1488
1489#ifndef S_ISREG
1490# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1491#endif
1492
1493#ifndef S_ISFIFO
fe14fcc3
LW
1494# ifdef S_IFIFO
1495# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1496# else
1497# define S_ISFIFO(m) (0)
1498# endif
c623bd54
LW
1499#endif
1500
1501#ifndef S_ISLNK
1502# ifdef _S_ISLNK
1503# define S_ISLNK(m) _S_ISLNK(m)
1504# else
1505# ifdef _S_IFLNK
1506# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1507# else
1508# ifdef S_IFLNK
1509# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1510# else
1511# define S_ISLNK(m) (0)
1512# endif
1513# endif
1514# endif
1515#endif
1516
1517#ifndef S_ISSOCK
1518# ifdef _S_ISSOCK
1519# define S_ISSOCK(m) _S_ISSOCK(m)
1520# else
1521# ifdef _S_IFSOCK
1522# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1523# else
1524# ifdef S_IFSOCK
1525# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1526# else
1527# define S_ISSOCK(m) (0)
1528# endif
1529# endif
1530# endif
1531#endif
1532
1533#ifndef S_IRUSR
1534# ifdef S_IREAD
1535# define S_IRUSR S_IREAD
1536# define S_IWUSR S_IWRITE
1537# define S_IXUSR S_IEXEC
1538# else
1539# define S_IRUSR 0400
1540# define S_IWUSR 0200
1541# define S_IXUSR 0100
1542# endif
fac7cdfc 1543#endif
1544
1545#ifndef S_IRGRP
1546# ifdef S_IRUSR
1547# define S_IRGRP (S_IRUSR>>3)
1548# define S_IWGRP (S_IWUSR>>3)
1549# define S_IXGRP (S_IXUSR>>3)
1550# else
1551# define S_IRGRP 0040
1552# define S_IWGRP 0020
1553# define S_IXGRP 0010
1554# endif
1555#endif
1556
1557#ifndef S_IROTH
1558# ifdef S_IRUSR
1559# define S_IROTH (S_IRUSR>>6)
1560# define S_IWOTH (S_IWUSR>>6)
1561# define S_IXOTH (S_IXUSR>>6)
1562# else
1563# define S_IROTH 0040
1564# define S_IWOTH 0020
1565# define S_IXOTH 0010
1566# endif
c623bd54
LW
1567#endif
1568
1569#ifndef S_ISUID
1570# define S_ISUID 04000
1571#endif
1572
1573#ifndef S_ISGID
1574# define S_ISGID 02000
1575#endif
1576
ca6e1c26
JH
1577#ifndef S_IRWXU
1578# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1579#endif
ca6e1c26
JH
1580
1581#ifndef S_IRWXG
1582# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1583#endif
ca6e1c26
JH
1584
1585#ifndef S_IRWXO
1586# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1587#endif
ca6e1c26 1588
df00ff3b 1589/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1590 * which would get included through <sys/file.h >, but that is 3000
1591 * lines in the future. --jhi */
1592
df00ff3b 1593#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1594# define S_IREAD S_IRUSR
1595#endif
1596
df00ff3b 1597#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1598# define S_IWRITE S_IWUSR
1599#endif
1600
1601#ifndef S_IEXEC
1602# define S_IEXEC S_IXUSR
1603#endif
1604
79072805
LW
1605#ifdef ff_next
1606# undef ff_next
352d5a3a
LW
1607#endif
1608
a0d0e21e 1609#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1610# define SLOPPYDIVIDE
1611#endif
1612
748a9306
LW
1613#ifdef UV
1614#undef UV
1615#endif
1616
c89df6bf
JH
1617#ifdef SPRINTF_E_BUG
1618# define sprintf UTS_sprintf_wrap
1619#endif
1620
ce582cee
NC
1621/* For the times when you want the return value of sprintf, and you want it
1622 to be the length. Can't have a thread variable passed in, because C89 has
1623 no varargs macros.
1624*/
1625#ifdef SPRINTF_RETURNS_STRLEN
1626# define my_sprintf sprintf
1627#else
1628# define my_sprintf Perl_my_sprintf
1629#endif
1630
5b692037
JH
1631/*
1632 * If we have v?snprintf() and the C99 variadic macros, we can just
1633 * use just the v?snprintf(). It is nice to try to trap the buffer
1634 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1635 * gcc statement expressions, then use the function wrappers which try
1636 * to trap the overflow. If we can use the gcc statement expressions,
1637 * we can try that even with the version that uses the C99 variadic
1638 * macros.
5b692037
JH
1639 */
1640
1208b3dd
JH
1641/* Note that we do not check against snprintf()/vsnprintf() returning
1642 * negative values because that is non-standard behaviour and we use
1643 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1644 * that should be true only if the snprintf()/vsnprintf() are true
1645 * to the standard. */
1646
dfeee9b1 1647#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1648# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1649# 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 1650# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1651# else
1652# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1653# endif
1654#else
1655# define my_snprintf Perl_my_snprintf
1208b3dd 1656# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1657#endif
1658
dfeee9b1 1659#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1660# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1661# 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 1662# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1663# else
1664# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1665# endif
1666#else
1667# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1668# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1669#endif
d9fad198 1670
a6cc4119
SP
1671#ifdef HAS_STRLCAT
1672# define my_strlcat strlcat
1673#else
1674# define my_strlcat Perl_my_strlcat
1675#endif
1676
1677#ifdef HAS_STRLCPY
1678# define my_strlcpy strlcpy
1679#else
1680# define my_strlcpy Perl_my_strlcpy
1681#endif
1682
c495e728
JH
1683/* Configure gets this right but the UTS compiler gets it wrong.
1684 -- Hal Morris <hom00@utsglobal.com> */
1685#ifdef UTS
1686# undef UVTYPE
1687# define UVTYPE unsigned
1688#endif
1689
05f13f53 1690/*
27d4fb96
PP
1691 The IV type is supposed to be long enough to hold any integral
1692 value or a pointer.
1693 --Andy Dougherty August 1996
1694*/
1695
a22e52b9
JH
1696typedef IVTYPE IV;
1697typedef UVTYPE UV;
8175356b 1698
10cc9d2a 1699#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1700# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1701# define IV_MAX INT64_MAX
1702# define IV_MIN INT64_MIN
1703# define UV_MAX UINT64_MAX
cae7ae48
JH
1704# ifndef UINT64_MIN
1705# define UINT64_MIN 0
1706# endif
5ff3f7a4
GS
1707# define UV_MIN UINT64_MIN
1708# else
1709# define IV_MAX PERL_QUAD_MAX
1710# define IV_MIN PERL_QUAD_MIN
1711# define UV_MAX PERL_UQUAD_MAX
1712# define UV_MIN PERL_UQUAD_MIN
1713# endif
cf2093f6
JH
1714# define IV_IS_QUAD
1715# define UV_IS_QUAD
79072805 1716#else
8175356b 1717# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1718# define IV_MAX INT32_MAX
1719# define IV_MIN INT32_MIN
716026f9
DL
1720# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1721# define UV_MAX UINT32_MAX
1722# else
1723# define UV_MAX 4294967295U
1724# endif
cae7ae48
JH
1725# ifndef UINT32_MIN
1726# define UINT32_MIN 0
1727# endif
5ff3f7a4
GS
1728# define UV_MIN UINT32_MIN
1729# else
1730# define IV_MAX PERL_LONG_MAX
1731# define IV_MIN PERL_LONG_MIN
1732# define UV_MAX PERL_ULONG_MAX
1733# define UV_MIN PERL_ULONG_MIN
1734# endif
8175356b 1735# if IVSIZE == 8
cf2093f6
JH
1736# define IV_IS_QUAD
1737# define UV_IS_QUAD
de1c2614
JH
1738# ifndef HAS_QUAD
1739# define HAS_QUAD
1740# endif
cf2093f6
JH
1741# else
1742# undef IV_IS_QUAD
1743# undef UV_IS_QUAD
de1c2614 1744# undef HAS_QUAD
cf2093f6 1745# endif
79072805 1746#endif
d7d93a81 1747
1109a392
MHM
1748#ifndef HAS_QUAD
1749# undef PERL_NEED_MY_HTOLE64
1750# undef PERL_NEED_MY_LETOH64
1751# undef PERL_NEED_MY_HTOBE64
1752# undef PERL_NEED_MY_BETOH64
1753#endif
1754
6cde8aec 1755#if defined(uts) || defined(UTS)
11afe549
HM
1756# undef UV_MAX
1757# define UV_MAX (4294967295u)
20601011
JH
1758#endif
1759
cae7ae48 1760#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1761#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1762
28e5dec8 1763#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1764#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1765#endif
1766
d460ef45 1767/*
26bb67e2
JH
1768 * The macros INT2PTR and NUM2PTR are (despite their names)
1769 * bi-directional: they will convert int/float to or from pointers.
1770 * However the conversion to int/float are named explicitly:
1771 * PTR2IV, PTR2UV, PTR2NV.
1772 *
1773 * For int conversions we do not need two casts if pointers are
1774 * the same size as IV and UV. Otherwise we need an explicit
1775 * cast (PTRV) to avoid compiler warnings.
1776 */
56431972
RB
1777#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1778# define PTRV UV
1779# define INT2PTR(any,d) (any)(d)
1780#else
d460ef45 1781# if PTRSIZE == LONGSIZE
56431972 1782# define PTRV unsigned long
e91e3b10 1783# define PTR2ul(p) (unsigned long)(p)
42718184 1784# else
56431972 1785# define PTRV unsigned
42718184 1786# endif
e91e3b10
RB
1787#endif
1788
1789#ifndef INT2PTR
56431972 1790# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1791#endif
e91e3b10
RB
1792
1793#ifndef PTR2ul
1794# define PTR2ul(p) INT2PTR(unsigned long,p)
1795#endif
1796
56431972
RB
1797#define NUM2PTR(any,d) (any)(PTRV)(d)
1798#define PTR2IV(p) INT2PTR(IV,p)
1799#define PTR2UV(p) INT2PTR(UV,p)
1800#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1801#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1802
8141890a
JH
1803/* According to strict ANSI C89 one cannot freely cast between
1804 * data pointers and function (code) pointers. There are at least
1805 * two ways around this. One (used below) is to do two casts,
1806 * first the other pointer to an (unsigned) integer, and then
1807 * the integer to the other pointer. The other way would be
1808 * to use unions to "overlay" the pointers. For an example of
1809 * the latter technique, see union dirpu in struct xpvio in sv.h.
1810 * The only feasible use is probably temporarily storing
1811 * function pointers in a data pointer (such as a void pointer). */
1812
e91e3b10
RB
1813#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1814#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1815
65202027 1816#ifdef USE_LONG_DOUBLE
1048ea30
JH
1817# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1818# define LONG_DOUBLE_EQUALS_DOUBLE
1819# endif
68d4903c 1820# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1821# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1822# endif
1823#endif
1824
2d4389e4
JH
1825#ifdef OVR_DBL_DIG
1826/* Use an overridden DBL_DIG */
1827# ifdef DBL_DIG
1828# undef DBL_DIG
1829# endif
1830# define DBL_DIG OVR_DBL_DIG
1831#else
1832/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1833 default value for printing floating point numbers in Gconvert
1834 (see config.h). (It also has other uses, such as figuring out if
1835 a given precision of printing can be done with a double instead of
1836 a long double - Allen).
2d4389e4
JH
1837*/
1838#ifdef I_LIMITS
1839#include <limits.h>
1840#endif
1841#ifdef I_FLOAT
1842#include <float.h>
1843#endif
1844#ifndef HAS_DBL_DIG
1845#define DBL_DIG 15 /* A guess that works lots of places */
1846#endif
1847#endif
1848
1849#ifdef OVR_LDBL_DIG
1850/* Use an overridden LDBL_DIG */
1851# ifdef LDBL_DIG
1852# undef LDBL_DIG
1853# endif
1854# define LDBL_DIG OVR_LDBL_DIG
1855#else
1856/* The following is all to get LDBL_DIG, in order to pick a nice
1857 default value for printing floating point numbers in Gconvert.
1858 (see config.h)
1859*/
68d4903c
JH
1860# ifdef I_LIMITS
1861# include <limits.h>
1862# endif
1863# ifdef I_FLOAT
1864# include <float.h>
1865# endif
1866# ifndef HAS_LDBL_DIG
1867# if LONG_DOUBLESIZE == 10
1868# define LDBL_DIG 18 /* assume IEEE */
1869# else
1870# if LONG_DOUBLESIZE == 12
1871# define LDBL_DIG 18 /* gcc? */
1872# else
1873# if LONG_DOUBLESIZE == 16
1874# define LDBL_DIG 33 /* assume IEEE */
1875# else
1876# if LONG_DOUBLESIZE == DOUBLESIZE
1877# define LDBL_DIG DBL_DIG /* bummer */
1878# endif
1879# endif
1880# endif
1881# endif
1882# endif
2d4389e4
JH
1883#endif
1884
20f6aaab
AS
1885/*
1886 * This is for making sure we have a good DBL_MAX value, if possible,
1887 * either for usage as NV_MAX or for usage in figuring out if we can
1888 * fit a given long double into a double, if bug-fixing makes it
1889 * necessary to do so. - Allen <allens@cpan.org>
1890 */
1891
205f51d8
AS
1892#ifdef I_LIMITS
1893# include <limits.h>
20f6aaab
AS
1894#endif
1895
205f51d8
AS
1896#ifdef I_VALUES
1897# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1898# include <values.h>
1899# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1900# define DBL_MAX MAXDOUBLE
1901# endif
1902# if defined(MINDOUBLE) && !defined(DBL_MIN)
1903# define DBL_MIN MINDOUBLE
1904# endif
1905# endif
1906#endif /* defined(I_VALUES) */
1907
a22e52b9 1908typedef NVTYPE NV;
8175356b 1909
792d8dab
JH
1910#ifdef I_IEEEFP
1911# include <ieeefp.h>
1912#endif
923fc586 1913
65202027 1914#ifdef USE_LONG_DOUBLE
923fc586
JH
1915# ifdef I_SUNMATH
1916# include <sunmath.h>
1917# endif
2d4389e4 1918# define NV_DIG LDBL_DIG
d6c14000
JH
1919# ifdef LDBL_MANT_DIG
1920# define NV_MANT_DIG LDBL_MANT_DIG
1921# endif
06fc1729
JH
1922# ifdef LDBL_MIN
1923# define NV_MIN LDBL_MIN
1924# endif
1925# ifdef LDBL_MAX
1926# define NV_MAX LDBL_MAX
1927# endif
1928# ifdef LDBL_MIN_10_EXP
1929# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1930# endif
1931# ifdef LDBL_MAX_10_EXP
1932# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1933# endif
1934# ifdef LDBL_EPSILON
1935# define NV_EPSILON LDBL_EPSILON
1936# endif
f4a14a62
JH
1937# ifdef LDBL_MAX
1938# define NV_MAX LDBL_MAX
20f6aaab 1939/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1940# else
1941# ifdef HUGE_VALL
1942# define NV_MAX HUGE_VALL
1943# else
1944# ifdef HUGE_VAL
1945# define NV_MAX ((NV)HUGE_VAL)
1946# endif
1947# endif
1948# endif
68d4903c 1949# ifdef HAS_SQRTL
68d4903c
JH
1950# define Perl_cos cosl
1951# define Perl_sin sinl
1952# define Perl_sqrt sqrtl
1953# define Perl_exp expl
1954# define Perl_log logl
1955# define Perl_atan2 atan2l
1956# define Perl_pow powl
1957# define Perl_floor floorl
1bbae031 1958# define Perl_ceil ceill
68d4903c
JH
1959# define Perl_fmod fmodl
1960# endif
a3540c92
JH
1961/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1962# ifdef HAS_MODFL
1963# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1964/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1965 prototype in <math.h> */
1966# ifndef HAS_MODFL_PROTO
a221a8a5 1967EXTERN_C long double modfl(long double, long double *);
51997bc3 1968# endif
03476e8e
JH
1969# else
1970# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1971 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1972# define Perl_modf(x,y) Perl_my_modfl(x,y)
1973# endif
a3540c92
JH
1974# endif
1975# ifdef HAS_FREXPL
dff3e0b8 1976# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1977# else
1978# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1979 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1980# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1981# endif
a3540c92 1982# endif
38dbb4c5 1983# ifndef Perl_isnan
758a5d79
JH
1984# ifdef HAS_ISNANL
1985# define Perl_isnan(x) isnanl(x)
1986# endif
1987# endif
1988# ifndef Perl_isinf
1989# ifdef HAS_FINITEL
1990# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1991# endif
1992# endif
65202027 1993#else
2d4389e4 1994# define NV_DIG DBL_DIG
d6c14000
JH
1995# ifdef DBL_MANT_DIG
1996# define NV_MANT_DIG DBL_MANT_DIG
1997# endif
06fc1729
JH
1998# ifdef DBL_MIN
1999# define NV_MIN DBL_MIN
2000# endif
2001# ifdef DBL_MAX
2002# define NV_MAX DBL_MAX
2003# endif
2004# ifdef DBL_MIN_10_EXP
2005# define NV_MIN_10_EXP DBL_MIN_10_EXP
2006# endif
2007# ifdef DBL_MAX_10_EXP
2008# define NV_MAX_10_EXP DBL_MAX_10_EXP
2009# endif
2010# ifdef DBL_EPSILON
2011# define NV_EPSILON DBL_EPSILON
2012# endif
205f51d8 2013# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2014# define NV_MAX DBL_MAX
2015# define NV_MIN DBL_MIN
2016# else
2017# ifdef HUGE_VAL
2018# define NV_MAX HUGE_VAL
2019# endif
2020# endif
65202027
DS
2021# define Perl_cos cos
2022# define Perl_sin sin
2023# define Perl_sqrt sqrt
2024# define Perl_exp exp
2025# define Perl_log log
2026# define Perl_atan2 atan2
2027# define Perl_pow pow
2028# define Perl_floor floor
1bbae031 2029# define Perl_ceil ceil
65202027 2030# define Perl_fmod fmod
a3540c92 2031# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2032# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2033#endif
2034
2035/* rumor has it that Win32 has _fpclass() */
2036
205f51d8
AS
2037/* SGI has fpclassl... but not with the same result values,
2038 * and it's via a typedef (not via #define), so will need to redo Configure
2039 * to use. Not worth the trouble, IMO, at least until the below is used
2040 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2041 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2042 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2043
758a5d79
JH
2044#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2045# ifdef I_IEEFP
2046# include <ieeefp.h>
2047# endif
2048# ifdef I_FP
2049# include <fp.h>
2050# endif
2051# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2052# define Perl_fp_class() fpclassl(x)
2053# else
2054# define Perl_fp_class() fpclass(x)
2055# endif
2056# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2057# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2058# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2059# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2060# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2061# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2062# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2063# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2064# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2065# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2066# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2067# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2068# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2069# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2070# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2071#endif
2072
7114a2d2 2073#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2074# include <math.h>
2075# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2076# include <fp_class.h>
2077# endif
2078# define Perl_fp_class(x) fp_class(x)
2079# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2080# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2081# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2082# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2083# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2084# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2085# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2086# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2087# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2088# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2089# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2090# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2091# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2092# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2093# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2094#endif
2095
2096#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2097# include <math.h>
2098# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2099# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2100# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2101# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2102# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2103# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2104#endif
2105
2106#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2107# include <math.h>
2108# ifndef _cplusplus
2109# define Perl_fp_class(x) class(x)
2110# else
2111# define Perl_fp_class(x) _class(x)
2112# endif
2113# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2114# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2115# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2116# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2117# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2118# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2119# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2120# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2121# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2122# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2123# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2124# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2125# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2126# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2127# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2128#endif
2129
2130/* rumor has it that Win32 has _isnan() */
2131
2132#ifndef Perl_isnan
a3540c92 2133# ifdef HAS_ISNAN
758a5d79
JH
2134# define Perl_isnan(x) isnan((NV)x)
2135# else
2136# ifdef Perl_fp_class_nan
2137# define Perl_isnan(x) Perl_fp_class_nan(x)
2138# else
2139# ifdef HAS_UNORDERED
2140# define Perl_isnan(x) unordered((x), 0.0)
2141# else
2142# define Perl_isnan(x) ((x)!=(x))
2143# endif
2144# endif
2145# endif
2146#endif
2147
ca6c63e1
JH
2148#ifdef UNDER_CE
2149int isnan(double d);
2150#endif
2151
758a5d79
JH
2152#ifndef Perl_isinf
2153# ifdef HAS_ISINF
2154# define Perl_isinf(x) isinf((NV)x)
a3540c92 2155# else
758a5d79
JH
2156# ifdef Perl_fp_class_inf
2157# define Perl_isinf(x) Perl_fp_class_inf(x)
2158# else
2159# define Perl_isinf(x) ((x)==NV_INF)
2160# endif
2161# endif
2162#endif
2163
2164#ifndef Perl_isfinite
2165# ifdef HAS_FINITE
2166# define Perl_isfinite(x) finite((NV)x)
2167# else
2168# ifdef HAS_ISFINITE
2169# define Perl_isfinite(x) isfinite(x)
2170# else
2171# ifdef Perl_fp_class_finite
2172# define Perl_isfinite(x) Perl_fp_class_finite(x)
2173# else
2174# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2175# endif
2176# endif
a3540c92 2177# endif
65202027
DS
2178#endif
2179
a36244b7
JH
2180/* The default is to use Perl's own atof() implementation (in numeric.c).
2181 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2182 * it is however best to use the native implementation of atof.
2183 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2184 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2185 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2186 * you may need to be using a different function than atof! */
a36244b7
JH
2187
2188#ifndef USE_PERL_ATOF
2189# ifndef _UNICOS
2190# define USE_PERL_ATOF
2191# endif
2192#else
2193# if USE_PERL_ATOF == 0
2194# undef USE_PERL_ATOF
2195# endif
2196#endif
2197
2198#ifdef USE_PERL_ATOF
2199# define Perl_atof(s) Perl_my_atof(s)
2200# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2201#else
2202# define Perl_atof(s) (NV)atof(s)
2203# define Perl_atof2(s, n) ((n) = atof(s))
2204#endif
cf2093f6 2205
d460ef45 2206/* Previously these definitions used hardcoded figures.
760ac839
LW
2207 * It is hoped these formula are more portable, although
2208 * no data one way or another is presently known to me.
2209 * The "PERL_" names are used because these calculated constants
2210 * do not meet the ANSI requirements for LONG_MAX, etc., which
2211 * need to be constants acceptable to #if - kja
2212 * define PERL_LONG_MAX 2147483647L
2213 * define PERL_LONG_MIN (-LONG_MAX - 1)
2214 * define PERL ULONG_MAX 4294967295L
2215 */
2216
2217#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2218# include <limits.h>
760ac839 2219#endif
205f51d8
AS
2220/* Included values.h above if necessary; still including limits.h down here,
2221 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2222
99abf803
PP
2223/*
2224 * Try to figure out max and min values for the integral types. THE CORRECT
2225 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2226 * following hacks are used if neither limits.h or values.h provide them:
2227 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2228 * for types < int: (unsigned TYPE)~(unsigned)0
2229 * The argument to ~ must be unsigned so that later signed->unsigned
2230 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2231 * and it must not be smaller than int because ~ does integral promotion.
2232 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2233 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2234 * The latter is a hack which happens to work on some machines but
2235 * does *not* catch any random system, or things like integer types
2236 * with NaN if that is possible.
2237 *
2238 * All of the types are explicitly cast to prevent accidental loss of
2239 * numeric range, and in the hope that they will be less likely to confuse
2240 * over-eager optimizers.
2241 *
2242 */
27d4fb96 2243
99abf803
PP
2244#define PERL_UCHAR_MIN ((unsigned char)0)
2245
2246#ifdef UCHAR_MAX
2247# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2248#else
99abf803
PP
2249# ifdef MAXUCHAR
2250# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2251# else
99abf803 2252# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2253# endif
2254#endif
d460ef45 2255
99abf803
PP
2256/*
2257 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2258 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2259 * depending on local options. Until Configure detects this (or at least
2260 * detects whether the "signed" keyword is available) the CHAR ranges
2261 * will not be included. UCHAR functions normally.
2262 * - kja
2263 */
27d4fb96 2264
99abf803
PP
2265#define PERL_USHORT_MIN ((unsigned short)0)
2266
2267#ifdef USHORT_MAX
2268# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2269#else
99abf803
PP
2270# ifdef MAXUSHORT
2271# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2272# else
ef2f54b0
CB
2273# ifdef USHRT_MAX
2274# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2275# else
2276# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2277# endif
27d4fb96
PP
2278# endif
2279#endif
2280
27d4fb96 2281#ifdef SHORT_MAX
99abf803 2282# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2283#else
2284# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2285# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2286# else
ef2f54b0
CB
2287# ifdef SHRT_MAX
2288# define PERL_SHORT_MAX ((short)SHRT_MAX)
2289# else
2290# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2291# endif
27d4fb96
PP
2292# endif
2293#endif
2294
2295#ifdef SHORT_MIN
99abf803 2296# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2297#else
2298# ifdef MINSHORT
99abf803 2299# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2300# else
ef2f54b0
CB
2301# ifdef SHRT_MIN
2302# define PERL_SHORT_MIN ((short)SHRT_MIN)
2303# else
2304# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2305# endif
27d4fb96
PP
2306# endif
2307#endif
2308
99abf803
PP
2309#ifdef UINT_MAX
2310# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2311#else
99abf803
PP
2312# ifdef MAXUINT
2313# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2314# else
99abf803 2315# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2316# endif
2317#endif
2318
99abf803 2319#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2320
2321#ifdef INT_MAX
99abf803 2322# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2323#else
2324# ifdef MAXINT /* Often used in <values.h> */
99abf803 2325# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2326# else
99abf803 2327# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2328# endif
2329#endif
2330
2331#ifdef INT_MIN
99abf803 2332# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2333#else
2334# ifdef MININT
99abf803 2335# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2336# else
2337# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2338# endif
2339#endif
2340
99abf803
PP
2341#ifdef ULONG_MAX
2342# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2343#else
99abf803
PP
2344# ifdef MAXULONG
2345# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2346# else
99abf803 2347# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2348# endif
2349#endif
2350
99abf803 2351#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2352
760ac839 2353#ifdef LONG_MAX
99abf803 2354# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2355#else
2356# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2357# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2358# else
99abf803 2359# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2360# endif
2361#endif
2362
2363#ifdef LONG_MIN
99abf803 2364# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2365#else
2366# ifdef MINLONG
99abf803 2367# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2368# else
27d4fb96 2369# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2370# endif
2371#endif
2372
d7d93a81 2373#ifdef UV_IS_QUAD
99abf803 2374
99abf803 2375# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2376# define PERL_UQUAD_MIN ((UV)0)
99abf803 2377# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2378# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2379
79072805
LW
2380#endif
2381
22f7c9c9
JH
2382#ifdef MYMALLOC
2383# include "malloc_ctl.h"
2384#endif
2385
830247a4 2386struct RExC_state_t;
8e11feef 2387struct _reg_trie_data;
880b20b6 2388
ee0007ab 2389typedef MEM_SIZE STRLEN;
450a55e4 2390
598921a7
NC
2391#ifdef PERL_MAD
2392typedef struct token TOKEN;
2393typedef struct madprop MADPROP;
2394typedef struct nexttoken NEXTTOKE;
2395#endif
79072805
LW
2396typedef struct op OP;
2397typedef struct cop COP;
2398typedef struct unop UNOP;
2399typedef struct binop BINOP;
2400typedef struct listop LISTOP;
2401typedef struct logop LOGOP;
79072805
LW
2402typedef struct pmop PMOP;
2403typedef struct svop SVOP;
7934575e 2404typedef struct padop PADOP;
79072805 2405typedef struct pvop PVOP;
79072805
LW
2406typedef struct loop LOOP;
2407
52db365a
BM
2408typedef struct block_hooks BHK;
2409
cd1541b2
NC
2410typedef struct interpreter PerlInterpreter;
2411
d2b3f365
SS
2412/* Amdahl's <ksync.h> has struct sv */
2413/* SGI's <sys/sema.h> has struct sv */
2414#if defined(UTS) || defined(__sgi)
2415# define STRUCT_SV perl_sv
b8d3c5db
JH
2416#else
2417# define STRUCT_SV sv
2418#endif
2419typedef struct STRUCT_SV SV;
79072805
LW
2420typedef struct av AV;
2421typedef struct hv HV;
2422typedef struct cv CV;
288b8c02 2423typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2424typedef struct p5rx REGEXP;
79072805 2425typedef struct gp GP;
0c30d9ec 2426typedef struct gv GV;
8990e307 2427typedef struct io IO;
c09156bb 2428typedef struct context PERL_CONTEXT;
79072805
LW
2429typedef struct block BLOCK;
2430
2431typedef struct magic MAGIC;
2432typedef struct xpv XPV;
2433typedef struct xpviv XPVIV;
ff68c719 2434typedef struct xpvuv XPVUV;
79072805
LW
2435typedef struct xpvnv XPVNV;
2436typedef struct xpvmg XPVMG;
2437typedef struct xpvlv XPVLV;
2438typedef struct xpvav XPVAV;
2439typedef struct xpvhv XPVHV;
2440typedef struct xpvgv XPVGV;
2441typedef struct xpvcv XPVCV;
2442typedef struct xpvbm XPVBM;
2443typedef struct xpvfm XPVFM;
8990e307 2444typedef struct xpvio XPVIO;
79072805
LW
2445typedef struct mgvtbl MGVTBL;
2446typedef union any ANY;
5f7fde29
GS
2447typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2448typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2449typedef struct clone_params CLONE_PARAMS;
2450
378cc40b 2451#include "handy.h"
a0d0e21e 2452
6b8eaf93 2453#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2454# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2455# define USE_64_BIT_RAWIO /* implicit */
2456# endif
4564133c
JH
2457#endif
2458
6b8eaf93
JH
2459/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2460 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2461 * however, because operating systems like to do that themself. */
2462#ifndef FSEEKSIZE
2463# ifdef HAS_FSEEKO
2464# define FSEEKSIZE LSEEKSIZE
2465# else
2466# define FSEEKSIZE LONGSIZE
d460ef45 2467# endif
6b8eaf93
JH
2468#endif
2469
2470#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2471# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2472# define USE_64_BIT_STDIO /* implicit */
2473# endif
2474#endif
4564133c 2475
09458382 2476#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2477# ifdef HAS_OFF64_T
2478# undef Off_t
2479# define Off_t off64_t
2480# undef LSEEKSIZE
2481# define LSEEKSIZE 8
5ff3f7a4 2482# endif
d9b3e12d
JH
2483/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2484 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2485 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2486# if defined(USE_OPEN64)
2487# define open open64
5ff3f7a4 2488# endif
d9b3e12d
JH
2489# if defined(USE_LSEEK64)
2490# define lseek lseek64
6b8eaf93
JH
2491# else
2492# if defined(USE_LLSEEK)
2493# define lseek llseek
2494# endif
d9b3e12d
JH
2495# endif
2496# if defined(USE_STAT64)
2497# define stat stat64
2498# endif
2499# if defined(USE_FSTAT64)
2500# define fstat fstat64
2501# endif
2502# if defined(USE_LSTAT64)
2503# define lstat lstat64
2504# endif
2505# if defined(USE_FLOCK64)
2506# define flock flock64
2507# endif
2508# if defined(USE_LOCKF64)
2509# define lockf lockf64
2510# endif
2511# if defined(USE_FCNTL64)
2512# define fcntl fcntl64
2513# endif
2514# if defined(USE_TRUNCATE64)
2515# define truncate truncate64
2516# endif
2517# if defined(USE_FTRUNCATE64)
2518# define ftruncate ftruncate64
2519# endif
2520#endif
2521
2522#ifdef USE_64_BIT_STDIO
2523# ifdef HAS_FPOS64_T
2524# undef Fpos_t
2525# define Fpos_t fpos64_t
2526# endif
2527/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2528 * will trigger defines like the ones below. Some 64-bit environments,
2529 * however, do not. */
2530# if defined(USE_FOPEN64)
2531# define fopen fopen64
2532# endif
2533# if defined(USE_FSEEK64)
6b8eaf93 2534# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2535# endif
2536# if defined(USE_FTELL64)
6b8eaf93 2537# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2538# endif
2539# if defined(USE_FSETPOS64)
2540# define fsetpos fsetpos64
2541# endif
2542# if defined(USE_FGETPOS64)
2543# define fgetpos fgetpos64
2544# endif
2545# if defined(USE_TMPFILE64)
2546# define tmpfile tmpfile64
2547# endif
2548# if defined(USE_FREOPEN64)
2549# define freopen freopen64
5ff3f7a4
GS
2550# endif
2551#endif
2552
e37778c2 2553#if defined(OS2)
2c2d71f5
JH
2554# include "iperlsys.h"
2555#endif
2556
6f71a643 2557#if defined(__OPEN_VM)
19848b3f
JH
2558# include "vmesa/vmesaish.h"
2559# define ISHISH "vmesa"
6f71a643
JH
2560#endif
2561
748a9306 2562#ifdef DOSISH
19848b3f
JH
2563# if defined(OS2)
2564# include "os2ish.h"
2565# else
2566# include "dosish.h"
2567# endif
2568# define ISHISH "dos"
2569#endif
2570
2571#if defined(VMS)
748a9306 2572# include "vmsish.h"
96e176bf 2573# include "embed.h"
eb8433b7
NC
2574# ifndef PERL_MAD
2575# undef op_getmad
b3f24c00 2576# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2577# endif
19848b3f
JH
2578# define ISHISH "vms"
2579#endif
2580
2581#if defined(PLAN9)
2582# include "./plan9/plan9ish.h"
2583# define ISHISH "plan9"
2584#endif
2585
2586#if defined(MPE)
2587# include "mpeix/mpeixish.h"
2588# define ISHISH "mpeix"
2589#endif
2590
2591#if defined(__VOS__)
196918b0
PG
2592# ifdef __GNUC__
2593# include "./vos/vosish.h"
2594# else
2595# include "vos/vosish.h"
2596# endif
19848b3f
JH
2597# define ISHISH "vos"
2598#endif
2599
2600#if defined(EPOC)
2601# include "epocish.h"
2602# define ISHISH "epoc"
2603#endif
2604
9969cdde 2605#ifdef __SYMBIAN32__
27da23d5
JH
2606# include "symbian/symbianish.h"
2607# include "embed.h"
eb8433b7
NC
2608# ifndef PERL_MAD
2609# undef op_getmad
b3f24c00 2610# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2611# endif
27da23d5
JH
2612# define ISHISH "symbian"
2613#endif
2614
19848b3f 2615
df00ff3b
IW
2616#if defined(__HAIKU__)
2617# include "haiku/haikuish.h"
2618# define ISHISH "haiku"
2619#elif defined(__BEOS__)
efca5cc6
JH
2620# include "beos/beosish.h"
2621# define ISHISH "beos"
2622#endif
2623
19848b3f
JH
2624#ifndef ISHISH
2625# include "unixish.h"
2626# define ISHISH "unix"
13b6e58c
JH
2627#endif
2628
2946a158
JH
2629/* NSIG logic from Configure --> */
2630/* Strange style to avoid deeply-nested #if/#else/#endif */
2631#ifndef NSIG
2632# ifdef _NSIG
2633# define NSIG (_NSIG)
2634# endif
2635#endif
2636
2637#ifndef NSIG
2638# ifdef SIGMAX
2639# define NSIG (SIGMAX+1)
2640# endif
2641#endif
2642
2643#ifndef NSIG
2644# ifdef SIG_MAX
2645# define NSIG (SIG_MAX+1)
2646# endif
2647#endif
2648
2649#ifndef NSIG
2650# ifdef _SIG_MAX
2651# define NSIG (_SIG_MAX+1)
2652# endif
2653#endif
2654
2655#ifndef NSIG
2656# ifdef MAXSIG
2657# define NSIG (MAXSIG+1)
2658# endif
2659#endif
2660
2661#ifndef NSIG
2662# ifdef MAX_SIG
2663# define NSIG (MAX_SIG+1)
2664# endif
2665#endif
2666
2667#ifndef NSIG
2668# ifdef SIGARRAYSIZE
2669# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2670# endif
2671#endif
2672
2673#ifndef NSIG
2674# ifdef _sys_nsig
2675# define NSIG (_sys_nsig) /* Solaris 2.5 */
2676# endif
2677#endif
2678
2679/* Default to some arbitrary number that's big enough to get most
2680 of the common signals.
2681*/
2682#ifndef NSIG
2683# define NSIG 50
2684#endif
2685/* <-- NSIG logic from Configure */
2686
13b6e58c
JH
2687#ifndef NO_ENVIRON_ARRAY
2688# define USE_ENVIRON_ARRAY
2689#endif
32f822de 2690
c77b533b
JH
2691/*
2692 * initialise to avoid floating-point exceptions from overflow, etc
2693 */
2694#ifndef PERL_FPU_INIT
2695# ifdef HAS_FPSETMASK
2696# if HAS_FLOATINGPOINT_H
2697# include <floatingpoint.h>
2698# endif
ad3a8c67
NC
2699/* Some operating systems have this as a macro, which in turn expands to a comma
2700 expression, and the last sub-expression is something that gets calculated,
2701 and then they have the gall to warn that a value computed is not used. Hence
2702 cast to void. */
2703# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2704# else
2f42fcb0 2705# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2706# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2707# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2708# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2709# else
2710# define PERL_FPU_INIT
2f42fcb0 2711
7014c407 2712# endif
c77b533b
JH
2713# endif
2714#endif
b35112e7
CS
2715#ifndef PERL_FPU_PRE_EXEC
2716# define PERL_FPU_PRE_EXEC {
2717# define PERL_FPU_POST_EXEC }
2718#endif
c77b533b 2719
cbec8ebe
DM
2720#ifndef PERL_SYS_INIT3_BODY
2721# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2722#endif
2723
eb533572
DM
2724/*
2725=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2726Provides system-specific tune up of the C runtime environment necessary to
2727run Perl interpreters. This should be called only once, before creating
2728any Perl interpreters.
2729
2730=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2731Provides system-specific tune up of the C runtime environment necessary to
2732run Perl interpreters. This should be called only once, before creating
2733any Perl interpreters.
2734
2735=for apidoc Am|void|PERL_SYS_TERM|
2736Provides system-specific clean up of the C runtime environment after
2737running Perl interpreters. This should be called only once, after
2738freeing any remaining Perl interpreters.
2739
2740=cut
2741 */
2742
cbec8ebe
DM
2743#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2744#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2745#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2746
be708cc0
JH
2747#ifndef PERL_WRITE_MSG_TO_CONSOLE
2748# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2749#endif
2750
0f31cffe
GS
2751#ifndef MAXPATHLEN
2752# ifdef PATH_MAX
b990c8b2
JH
2753# ifdef _POSIX_PATH_MAX
2754# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2755/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2756 * included the null byte or not. Later amendments of POSIX,
2757 * XPG4, the Austin Group, and the Single UNIX Specification
2758 * all explicitly include the null byte in the PATH_MAX.
2759 * Ditto for _POSIX_PATH_MAX. */
2760# define MAXPATHLEN PATH_MAX
b990c8b2 2761# else
09448d78 2762# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2763# endif
2764# else
2765# define MAXPATHLEN (PATH_MAX+1)
2766# endif
0f31cffe 2767# else
b990c8b2 2768# ifdef _POSIX_PATH_MAX
09448d78 2769# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2770# else
2771# define MAXPATHLEN 1024 /* Err on the large side. */
2772# endif
0f31cffe
GS
2773# endif
2774#endif
2775
c80263a8
SH
2776/* In case Configure was not used (we are using a "canned config"
2777 * such as Win32, or a cross-compilation setup, for example) try going
2778 * by the gcc major and minor versions. One useful URL is
2779 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2780 * but contrary to this information warn_unused_result seems
2781 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2782 * Also, when building extensions with an installed perl, this allows
2783 * the user to upgrade gcc and get the right attributes, rather than
2784 * relying on the list generated at Configure time. --AD
c80263a8
SH
2785 * Set these up now otherwise we get confused when some of the <*thread.h>
2786 * includes below indirectly pull in <perlio.h> (which needs to know if we
2787 * have HASATTRIBUTE_FORMAT).
2788 */
2789
4d7c7898 2790#ifndef PERL_MICRO
fc2007d4 2791#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2792# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2793# define HASATTRIBUTE_DEPRECATED
2794# endif
c80263a8
SH
2795# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2796# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2797# if defined __MINGW32__
2798# define PRINTF_FORMAT_NULL_OK
2799# endif
c80263a8
SH
2800# endif
2801# if __GNUC__ >= 3 /* 3.0 -> */
2802# define HASATTRIBUTE_MALLOC
2803# endif
2804# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2805# define HASATTRIBUTE_NONNULL
2806# endif
2807# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2808# define HASATTRIBUTE_NORETURN
2809# endif
2810# if __GNUC__ >= 3 /* gcc 3.0 -> */
2811# define HASATTRIBUTE_PURE
2812# endif
42bf5550 2813# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2814# define HASATTRIBUTE_UNUSED
2815# endif
d324fe49
AD
2816# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2817# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2818# endif
c80263a8
SH
2819# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2820# define HASATTRIBUTE_WARN_UNUSED_RESULT
2821# endif
2822#endif
00f254e2 2823#endif /* #ifndef PERL_MICRO */
c80263a8 2824
3db8f154 2825/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2826 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2827 * this results in many functions being undeclared which bothers C++
2828 * May make sense to have threads after "*ish.h" anyway
2829 */
2830
3db8f154 2831#if defined(USE_ITHREADS)
2986a63f
JH
2832# ifdef NETWARE
2833# include <nw5thread.h>
2834# else
32f822de
GS
2835# ifdef FAKE_THREADS
2836# include "fakethr.h"
2837# else
2838# ifdef WIN32
2839# include <win32thread.h>
2840# else
dd96f567
IZ
2841# ifdef OS2
2842# include "os2thread.h"
2843# else
7f3d1cf1 2844# ifdef I_MACH_CTHREADS
bdd66968 2845# include <mach/cthreads.h>
8f1f23e8 2846# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2847# define MUTEX_INIT_CALLS_MALLOC
2848# endif
7f3d1cf1
BH
2849typedef cthread_t perl_os_thread;
2850typedef mutex_t perl_mutex;
2851typedef condition_t perl_cond;
2852typedef void * perl_key;
2853# else /* Posix threads */
1f5ae88c
JH
2854# ifdef I_PTHREAD
2855# include <pthread.h>
2856# endif
7f3d1cf1
BH
2857typedef pthread_t perl_os_thread;
2858typedef pthread_mutex_t perl_mutex;
2859typedef pthread_cond_t perl_cond;
2860typedef pthread_key_t perl_key;
2861# endif /* I_MACH_CTHREADS */
dd96f567 2862# endif /* OS2 */
32f822de
GS
2863# endif /* WIN32 */
2864# endif /* FAKE_THREADS */
2986a63f 2865#endif /* NETWARE */
3db8f154 2866#endif /* USE_ITHREADS */
c5be433b 2867
66a93824 2868#if defined(WIN32)
1feb2720 2869# include "win32.h"
c5be433b
GS
2870#endif
2871
2986a63f
JH
2872#ifdef NETWARE
2873# include "netware.h"
2874#endif
2875
e5218da5 2876#define STATUS_UNIX PL_statusvalue
68dc0745 2877#ifdef VMS
6b88bc9c 2878# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2879/*
2880 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2881 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2882 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2883 * be updated also.
2884 */
2885# include <stsdef.h>
2886# include <ssdef.h>
2887/* Presume this because if VMS changes it, it will require a new
2888 * set of APIs for waiting on children for binary compatibility.
2889 */
2890# define child_offset_bits (8)
2891# ifndef C_FAC_POSIX
2892# define C_FAC_POSIX 0x35A000
2893# endif
2894
2895/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2896 * platform from the existing UNIX or Native status values.
2897 */
2898
37038d91 2899# define STATUS_EXIT \
7a7fd8e0
JM
2900 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2901 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2902
7a7fd8e0 2903
fb38d079
JM
2904/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2905 * exit code and shifts the UNIX value over the correct number of bits to
2906 * be a child status. Usually the number of bits is 8, but that could be
2907 * platform dependent. The NATIVE status code is presumed to have either
2908 * from a child process.
7a7fd8e0
JM
2909 */
2910
fb38d079
JM
2911/* This is complicated. The child processes return a true native VMS
2912 status which must be saved. But there is an assumption in Perl that
2913 the UNIX child status has some relationship to errno values, so
00f254e2 2914 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2915 In order to get the string translation correct, for the error, errno
2916 must be EVMSERR, but that generates a different text message
2917 than what the test programs are expecting. So an errno value must
2918 be derived from the native status value when an error occurs.
2919 That will hide the true native status message. With this version of
2920 perl, the true native child status can always be retrieved so that
2921 is not a problem. But in this case, Pl_statusvalue and errno may
2922 have different values in them.
2923 */
7a7fd8e0 2924
fb38d079 2925# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2926 STMT_START { \
2fbb330f
JM
2927 I32 evalue = (I32)n; \
2928 if (evalue == EVMSERR) { \
2929 PL_statusvalue_vms = vaxc$errno; \
2930 PL_statusvalue = evalue; \
7a7fd8e0 2931 } else { \
2fbb330f 2932 PL_statusvalue_vms = evalue; \
fb38d079 2933 if (evalue == -1) { \
3280af22 2934 PL_statusvalue = -1; \
7a7fd8e0
JM
2935 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2936 } else \
fb38d079 2937 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2938 set_vaxc_errno(evalue); \
fb38d079
JM
2939 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2940 set_errno(EVMSERR); \
2941 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2942 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2943 } \
68dc0745 2944 } STMT_END
7a7fd8e0 2945
68dc0745 2946# ifdef VMSISH_STATUS
e5218da5 2947# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2948# else
e5218da5 2949# define STATUS_CURRENT STATUS_UNIX
68dc0745 2950# endif
7a7fd8e0
JM
2951
2952 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2953 * the NATIVE status to an equivalent value. Can not be used to translate
2954 * exit code values as exit code values are not guaranteed to have any
2955 * relationship at all to errno values.
2956 * This is used when Perl is forcing errno to have a specific value.
2957 */
e5218da5 2958# define STATUS_UNIX_SET(n) \
68dc0745 2959 STMT_START { \
7a7fd8e0 2960 I32 evalue = (I32)n; \
0968cdad 2961 PL_statusvalue = evalue; \
3280af22 2962 if (PL_statusvalue != -1) { \
0968cdad
JM
2963 if (PL_statusvalue != EVMSERR) { \
2964 PL_statusvalue &= 0xFFFF; \
2965 if (MY_POSIX_EXIT) \
2966 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2967 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2968 } \
2969 else { \
2970 PL_statusvalue_vms = vaxc$errno; \
2971 } \
68dc0745 2972 } \
0968cdad
JM
2973 else PL_statusvalue_vms = SS$_ABORT; \
2974 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2975 } STMT_END
2976
2977 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2978 * the NATIVE error status based on it.
2979 *
2980 * When in the default mode to comply with the Perl VMS documentation,
2981 * 0 is a success and any other code sets the NATIVE status to a failure
2982 * code of SS$_ABORT.
fb38d079
JM
2983 *
2984 * In the new POSIX EXIT mode, native status will be set so that the
2985 * actual exit code will can be retrieved by the calling program or
2986 * shell.
2987 *
2988 * If the exit code is not clearly a UNIX parent or child exit status,
2989 * it will be passed through as a VMS status.
7a7fd8e0
JM
2990 */
2991
fb38d079 2992# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2993 STMT_START { \
2994 I32 evalue = (I32)n; \
2995 PL_statusvalue = evalue; \
e08e1e1d
JM
2996 if (MY_POSIX_EXIT) { \
2997 if (evalue <= 0xFF00) { \
2998 if (evalue > 0xFF) \
2999 evalue = (evalue >> child_offset_bits) & 0xFF; \
3000 PL_statusvalue_vms = \
3001 (C_FAC_POSIX | (evalue << 3 ) | \
3002 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3003 } else /* forgive them Perl, for they have sinned */ \
3004 PL_statusvalue_vms = evalue; \
3005 } else { \
3006 if (evalue == 0) \
3007 PL_statusvalue_vms = SS$_NORMAL; \
3008 else if (evalue <= 0xFF00) \
3009 PL_statusvalue_vms = SS$_ABORT; \
3010 else { /* forgive them Perl, for they have sinned */ \
3011 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3012 else PL_statusvalue_vms = vaxc$errno; \
3013 /* And obviously used a VMS status value instead of UNIX */ \
3014 PL_statusvalue = EVMSERR; \
3015 } \
3016 set_vaxc_errno(PL_statusvalue_vms); \
3017 } \
68dc0745 3018 } STMT_END
fb38d079 3019
e08e1e1d 3020
6ac6a52b
JM
3021 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3022 * and sets the NATIVE error status based on it. This special case
3023 * is needed to maintain compatibility with past VMS behavior.
3024 *
3025 * In the default mode on VMS, this number is passed through as
3026 * both the NATIVE and UNIX status. Which makes it different
3027 * that the STATUS_UNIX_EXIT_SET.
3028 *
3029 * In the new POSIX EXIT mode, native status will be set so that the
3030 * actual exit code will can be retrieved by the calling program or
3031 * shell.
3032 *
1a3aec58
JM
3033 * A POSIX exit code is from 0 to 255. If the exit code is higher
3034 * than this, it needs to be assumed that it is a VMS exit code and
3035 * passed through.
6ac6a52b
JM
3036 */
3037
3038# define STATUS_EXIT_SET(n) \
3039 STMT_START { \
3040 I32 evalue = (I32)n; \
3041 PL_statusvalue = evalue; \
3042 if (MY_POSIX_EXIT) \
1a3aec58
JM
3043 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3044 PL_statusvalue_vms = \
3045 (C_FAC_POSIX | (evalue << 3 ) | \
3046 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3047 else \
3048 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3049 set_vaxc_errno(PL_statusvalue_vms); \
3050 } STMT_END
3051
fb38d079
JM
3052
3053 /* This macro forces a success status */
7a7fd8e0
JM
3054# define STATUS_ALL_SUCCESS \
3055 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3056
3057 /* This macro forces a failure status */
7a7fd8e0
JM
3058# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3059 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3060 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3061
68dc0745 3062#else
e5218da5 3063# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3064# if defined(WCOREDUMP)
37038d91 3065# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3066 STMT_START { \
3067 PL_statusvalue_posix = (n); \
3068 if (PL_statusvalue_posix == -1) \
3069 PL_statusvalue = -1; \
3070 else { \
3071 PL_statusvalue = \
3072 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3073 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3074 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3075 } \
3076 } STMT_END
3077# elif defined(WIFEXITED)
37038d91 3078# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3079 STMT_START { \
3080 PL_statusvalue_posix = (n); \
3081 if (PL_statusvalue_posix == -1) \
3082 PL_statusvalue = -1; \
3083 else { \
3084 PL_statusvalue = \
3085 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3086 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3087 } \
3088 } STMT_END
3089# else
37038d91 3090# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3091 STMT_START { \
3092 PL_statusvalue_posix = (n); \
3093 if (PL_statusvalue_posix == -1) \
3094 PL_statusvalue = -1; \
3095 else { \
3096 PL_statusvalue = \
3097 PL_statusvalue_posix & 0xFFFF; \
3098 } \
3099 } STMT_END
3100# endif
3101# define STATUS_UNIX_SET(n) \
68dc0745 3102 STMT_START { \
3280af22
NIS
3103 PL_statusvalue = (n); \
3104 if (PL_statusvalue != -1) \
3105 PL_statusvalue &= 0xFFFF; \
68dc0745 3106 } STMT_END
7a7fd8e0 3107# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3108# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3109# define STATUS_CURRENT STATUS_UNIX
37038d91 3110# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3111# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3112# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3113#endif
3114
cc3604b1
GS
3115/* flags in PL_exit_flags for nature of exit() */
3116#define PERL_EXIT_EXPECTED 0x01
31d77e54 3117#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3118
0b94c7bb 3119#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
3120# define MEMBER_TO_FPTR(name) name
3121#endif
3122
b79b76e0 3123#ifndef PERL_CORE
a7cb1f99 3124/* format to use for version numbers in file/directory names */
273cf8d1 3125/* XXX move to Configure? */
b79b76e0
NC
3126/* This was only ever used for the current version, and that can be done at
3127 compile time, as PERL_FS_VERSION, so should we just delete it? */
3128# ifndef PERL_FS_VER_FMT
3129# define PERL_FS_VER_FMT "%d.%d.%d"
3130# endif
3131#endif
3132
3133#ifndef PERL_FS_VERSION
3134# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3135#endif
3136
45bc9206 3137/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3138 * performance issue, so we allow people to disable it. Also, if
3139 * we are using stdio, there are broken implementations of fflush(NULL)
3140 * out there, Solaris being the most prominent.
45bc9206
GS
3141 */
3142#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3143# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3144# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3145# else
3146# ifdef FFLUSH_ALL
3147# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3148# else
c5be433b 3149# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3150# endif
66fe083f 3151# endif
45bc9206
GS
3152#endif
3153
7766f137
GS
3154#ifndef PERL_WAIT_FOR_CHILDREN
3155# define PERL_WAIT_FOR_CHILDREN NOOP
3156#endif
3157
ba869deb 3158/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3159#ifndef PERL_SET_INTERP
3160# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3161#endif
3162
3163#ifndef PERL_GET_INTERP
3164# define PERL_GET_INTERP (PL_curinterp)
3165#endif
3166
54aff467 3167#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3168# ifdef MULTIPLICITY
ba869deb 3169# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3170# endif
ba869deb
GS
3171# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3172#endif
3173
00f254e2 3174/*
8896765a 3175 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3176 All that is required is that the perl source does not
00f254e2
KW
3177 use "%-p" or "%-<number>p" or "%<number>p" formats.
3178 These formats will still work in perl code.
8896765a
RB
3179 See comments in sv.c for futher details.
3180
8896765a 3181 Robin Barker 2005-07-14
f46d31f2 3182
00f254e2 3183 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3184*/
8896765a
RB
3185
3186#ifndef SVf_
63ce7bf0 3187# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3188#endif
3189
8896765a 3190#ifndef SVf
104abab4 3191# define SVf "-p"
d2560b70
RB
3192#endif
3193
014ead4b 3194#ifndef SVf32
8896765a 3195# define SVf32 SVf_(32)
014ead4b
RB
3196#endif
3197
3198#ifndef SVf256
8896765a
RB
3199# define SVf256 SVf_(256)
3200#endif
3201
be2597df
MHM
3202#define SVfARG(p) ((void*)(p))
3203
f46d31f2 3204#ifdef PERL_CORE
00f254e2 3205/* not used; but needed for backward compatibilty with XS code? - RMB */
f46d31f2
RB
3206# undef VDf
3207#else
3208# ifndef VDf
8896765a
RB
3209# define VDf "vd"
3210# endif
014ead4b 3211#endif
170cd9e9
NC
3212
3213#ifdef PERL_CORE
00f254e2 3214/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB
3215# undef UVf
3216#else
170cd9e9
NC
3217# ifndef UVf
3218# define UVf UVuf
3219# endif
d2560b70
RB
3220#endif
3221
fcdf39cf
RGS
3222#ifdef HASATTRIBUTE_DEPRECATED
3223# define __attribute__deprecated__ __attribute__((deprecated))
3224#endif
0dbb1585
AL
3225#ifdef HASATTRIBUTE_FORMAT
3226# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3227#endif
3228#ifdef HASATTRIBUTE_MALLOC
77785eea 3229# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3230#endif
0dbb1585 3231#ifdef HASATTRIBUTE_NONNULL
abb2c242 3232# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3233#endif
0dbb1585 3234#ifdef HASATTRIBUTE_NORETURN
abb2c242 3235# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3236#endif
0dbb1585 3237#ifdef HASATTRIBUTE_PURE
abb2c242 3238# define __attribute__pure__ __attribute__((pure))
f22be1b8 3239#endif
0dbb1585
AL
3240#ifdef HASATTRIBUTE_UNUSED
3241# define __attribute__unused__ __attribute__((unused))
3242#endif
3243#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3244# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3245#endif
3246
0dbb1585 3247/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3248#ifndef __attribute__deprecated__
3249# define __attribute__deprecated__
3250#endif
0dbb1585
AL
3251#ifndef __attribute__format__
3252# define __attribute__format__(x,y,z)
3253#endif
f22be1b8 3254#ifndef __attribute__malloc__
abb2c242 3255# define __attribute__malloc__
f22be1b8
JH
3256#endif
3257#ifndef __attribute__nonnull__
abb2c242 3258# define __attribute__nonnull__(a)
f22be1b8
JH
3259#endif
3260#ifndef __attribute__noreturn__
abb2c242 3261# define __attribute__noreturn__
f22be1b8
JH
3262#endif
3263#ifndef __attribute__pure__
abb2c242 3264# define __attribute__pure__
f22be1b8 3265#endif
0dbb1585
AL
3266#ifndef __attribute__unused__
3267# define __attribute__unused__
3268#endif
f22be1b8 3269#ifndef __attribute__warn_unused_result__
abb2c242
JH
3270# define __attribute__warn_unused_result__
3271#endif
3272
0dbb1585
AL
3273/* For functions that are marked as __attribute__noreturn__, it's not
3274 appropriate to call return. In either case, include the lint directive.
3275 */
3276#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3277# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3278#else
b37c2d43 3279# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3280#endif
3281
cdfeb707
RB
3282/* Some OS warn on NULL format to printf */
3283#ifdef PRINTF_FORMAT_NULL_OK
3284# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3285#else
00f254e2 3286# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3287#endif
3288
635aebb7 3289#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3290# define EXPECT(expr,val) __builtin_expect(expr,val)
3291#else
3292# define EXPECT(expr,val) (expr)
3293#endif
3294#define LIKELY(cond) EXPECT(cond,1)
3295#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3296#ifdef HAS_BUILTIN_CHOOSE_EXPR
3297/* placeholder */
3298#endif
b37c2d43 3299
3fc1aec6
PP
3300/* Some unistd.h's give a prototype for pause() even though
3301 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3302 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3303*/
3304#ifdef HAS_PAUSE
3305#define Pause pause
3306#else
3307#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3308#endif
3309
3310#ifndef IOCPARM_LEN
3311# ifdef IOCPARM_MASK
61f1c44b 3312 /* on BSDish systems we're safe */
748a9306
LW
3313# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3314# else
61f1c44b 3315# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3316 /* on Linux systems we're safe; except when we're not [perl #38223] */
3317# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3318# else
748a9306 3319 /* otherwise guess at what's safe */
61f1c44b
JVD
3320# define IOCPARM_LEN(x) 256
3321# endif
748a9306 3322# endif
a0d0e21e
LW
3323#endif
3324
1761cee5 3325#if defined(__CYGWIN__)
521e0776
GS
3326/* USEMYBINMODE
3327 * This symbol, if defined, indicates that the program should
16fe6d59 3328 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3329 * that a file is in "binary" mode -- that is, that no translation
3330 * of bytes occurs on read or write operations.
3331 */
36894f0b 3332# define USEMYBINMODE /**/
77a40698 3333# include <io.h> /* for setmode() prototype */
16fe6d59 3334# define my_binmode(fp, iotype, mode) \
77a40698 3335 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3336#endif
3337
88d10794
JH
3338#ifdef __CYGWIN__
3339void init_os_extras(void);
3340#endif
3341
cea2e8a9
GS
3342#ifdef UNION_ANY_DEFINITION
3343UNION_ANY_DEFINITION;
3344#else
3345union any {
3346 void* any_ptr;
3347 I32 any_i32;
3348 IV any_iv;
c6bf6a65 3349 UV any_uv;
cea2e8a9 3350 long any_long;
9febdf04 3351 bool any_bool;
c76ac1ee 3352 void (*any_dptr) (void*);
acfe0abc 3353 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3354};
3355#endif
3356
acfe0abc 3357typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3358
3359#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3360#define FILTER_DATA(idx) \
3361 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3362#define FILTER_ISREADER(idx) \
3363 (PL_parser && PL_parser->rsfp_filters \
3364 && idx >= AvFILLp(PL_parser->rsfp_filters))
3365#define PERL_FILTER_EXISTS(i) \
3366 (PL_parser && PL_parser->rsfp_filters \
3367 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3368
c5078cac
JH
3369#if defined(_AIX) && !defined(_AIX43)
3370#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3371/* We cannot include <crypt.h> to get the struct crypt_data
3372 * because of setkey prototype problems when threading */
3373typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3374 /* From OSF, Not needed in AIX
3375 char C[28], D[28];
3376 */
3377 char E[48];
3378 char KS[16][48];
3379 char block[66];
3380 char iobuf[16];
3381} CRYPTD;
3382#endif /* threading */
3383#endif /* AIX */
3384
e37778c2 3385#if !defined(OS2)
2c2d71f5
JH
3386# include "iperlsys.h"
3387#endif
504f80c1 3388
9c12f1e5 3389#ifdef __LIBCATAMOUNT__
00f254e2 3390#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3391#undef HAS_GROUP
3392#define FAKE_BIT_BUCKET
3393#endif
3394
d10dc2ae
JH
3395/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3396 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3397 * defined by Configure, despite their names being similar to the
3398 * other defines like USE_ITHREADS. Configure in fact knows nothing
3399 * about the randomised hashes. Therefore to enable/disable the hash
3400 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3401#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3402# define USE_HASH_SEED
504f80c1
JH
3403#endif
3404
598921a7
NC
3405/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3406 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3407 * it's not really needed.
3408 */
3409#if defined(WIN32)
3410# define YYTOKENTYPE
3411#endif
3412#include "perly.h"
3413
3414#ifdef PERL_MAD
3415struct nexttoken {
3416 YYSTYPE next_val; /* value of next token, if any */
3417 I32 next_type; /* type of next token */
3418 MADPROP *next_mad; /* everything else about that token */
3419};
3420#endif
3421
654eccd5
JD
3422/* macros to define bit-fields in structs. */
3423#ifndef PERL_BITFIELD8
3424# define PERL_BITFIELD8 unsigned
3425#endif
3426#ifndef PERL_BITFIELD16
3427# define PERL_BITFIELD16 unsigned
3428#endif
3429#ifndef PERL_BITFIELD32
3430# define PERL_BITFIELD32 unsigned
3431#endif
3432
79072805 3433#include "sv.h"
288b8c02 3434#include "regexp.h"
378cc40b 3435#include "util.h"
8d063cd8 3436#include "form.h"
79072805 3437#include "gv.h"
dd2155a4 3438#include "pad.h"
79072805 3439#include "cv.h"
abdd5c84 3440#include "opnames.h"
79072805 3441#include "op.h"
b3ca2e83 3442#include "hv.h"
79072805
LW
3443#include "cop.h"
3444#include "av.h"
79072805
LW
3445#include "mg.h"
3446#include "scope.h"
4438c4b7 3447#include "warnings.h"
a0ed51b3 3448#include "utf8.h"
8d063cd8 3449
0d7d409d
DM
3450/* these would be in doio.h if there was such a file */
3451#define my_stat() my_stat_flags(SV_GMAGIC)
3452#define my_lstat() my_lstat_flags(SV_GMAGIC)
3453
20f4945e 3454/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3455#undef _XPV_HEAD
3456#undef _XPVMG_HEAD
3457#undef _XPVCV_COMMON
7fae4e64
GS
3458
3459typedef struct _sublex_info SUBLEXINFO;
3460struct _sublex_info {
651b5b28
NC
3461 U8 super_state; /* lexer state to save */
3462 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3463 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3464 char *super_bufptr; /* PL_parser->bufptr that was */
3465 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS
3466};
3467
199e78b7
DM
3468#include "parser.h"
3469
455ece5e 3470typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3471
2c2d71f5 3472struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3473struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3474
5f7fde29
GS
3475struct ptr_tbl_ent {
3476 struct ptr_tbl_ent* next;
53c1dcc0 3477 const void* oldval;
5f7fde29 3478 void* newval;
d18c6117
GS
3479};
3480
5f7fde29
GS
3481struct ptr_tbl {
3482 struct ptr_tbl_ent** tbl_ary;
3483 UV tbl_max;
3484 UV tbl_items;
db93c0c4
NC
3485 struct ptr_tbl_arena *tbl_arena;
3486 struct ptr_tbl_ent *tbl_arena_next;
3487 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3488};
3489
450a55e4 3490#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3491# define I286
3492#endif
3493
fe14fcc3
LW
3494#if defined(htonl) && !defined(HAS_HTONL)
3495#define HAS_HTONL
ae986130 3496#endif
fe14fcc3
LW
3497#if defined(htons) && !defined(HAS_HTONS)
3498#define HAS_HTONS
ae986130 3499#endif
fe14fcc3
LW
3500#if defined(ntohl) && !defined(HAS_NTOHL)
3501#define HAS_NTOHL
ae986130 3502#endif
fe14fcc3
LW
3503#if defined(ntohs) && !defined(HAS_NTOHS)
3504#define HAS_NTOHS
ae986130 3505#endif
fe14fcc3 3506#ifndef HAS_HTONL
d9d8d8de 3507#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3508#define HAS_HTONS
3509#define HAS_HTONL
3510#define HAS_NTOHS
3511#define HAS_NTOHL
a687059c
LW
3512#define MYSWAP
3513#define htons my_swap
3514#define htonl my_htonl
3515#define ntohs my_swap
3516#define ntohl my_ntohl
3517#endif
3518#else
d9d8d8de 3519#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3520#undef HAS_HTONS
3521#undef HAS_HTONL
3522#undef HAS_NTOHS
3523#undef HAS_NTOHL
a687059c
LW
3524#endif
3525#endif
3526
988174c1
LW
3527/*
3528 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3529 * -DWS
3530 */
3531#if BYTEORDER != 0x1234
3532# define HAS_VTOHL
3533# define HAS_VTOHS
3534# define HAS_HTOVL
3535# define HAS_HTOVS
c67712b2 3536# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3537# define vtohl(x) ((((x)&0xFF)<<24) \
3538 +(((x)>>24)&0xFF) \
3539 +(((x)&0x0000FF00)<<8) \
3540 +(((x)&0x00FF0000)>>8) )
3541# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3542# define htovl(x) vtohl(x)
3543# define htovs(x) vtohs(x)
3544# endif
3545 /* otherwise default to functions in util.c */
2a8c3029 3546#ifndef htovs
c623ac67
GS
3547short htovs(short n);
3548short vtohs(short n);
3549long htovl(long n);
3550long vtohl(long n);
988174c1 3551#endif
2a8c3029 3552#endif
988174c1 3553
3bb7c1b4
JH
3554/* *MAX Plus 1. A floating point value.
3555 Hopefully expressed in a way that dodgy floating point can't mess up.
3556 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3557 is added to it
3558 May find that some broken compiler will want the value cast to I32.
3559 [after the shift, as signed >> may not be as secure as unsigned >>]
3560*/
3561#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3562#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3563/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3564 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3565 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3566*/
3567#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3568
3bb7c1b4
JH
3569#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3570#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3571#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3572
3573/* This may look like unnecessary jumping through hoops, but converting
3574 out of range floating point values to integers *is* undefined behaviour,
3575 and it is starting to bite.
3576*/
3577#ifndef CAST_INLINE
65202027 3578#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3579#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3580#define I_V(what) (cast_iv((NV)(what)))
3581#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3582#else
3583#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3584 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3585 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3586#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3587 : ((n) < U32_MAX_P1 ? (U32) (n) \
3588 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3589#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3590 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3591 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3592#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3593 : ((n) < UV_MAX_P1 ? (UV) (n) \
3594 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3595#endif
3596
3597#define U_S(what) ((U16)U_32(what))
3598#define U_I(what) ((unsigned int)U_32(what))
3599#define U_L(what) U_32(what)
ed6116ce 3600
ed140128
AD
3601#ifdef HAS_SIGNBIT
3602# define Perl_signbit signbit
3603#endif
3604
2d4389e4
JH
3605/* These do not care about the fractional part, only about the range. */
3606#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3607#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3608
25da4f38
IZ
3609/* Used with UV/IV arguments: */
3610 /* XXXX: need to speed it up */
3611#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3612#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3613
352d5a3a
LW
3614#ifndef MAXSYSFD
3615# define MAXSYSFD 2
3616#endif
ee0007ab 3617
79072805 3618#ifndef __cplusplus
27da23d5 3619#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3620Uid_t getuid (void);
3621Uid_t geteuid (void);
3622Gid_t getgid (void);
3623Gid_t getegid (void);
79072805 3624#endif
e1caacb4 3625#endif
8d063cd8 3626
0c30d9ec 3627#ifndef Perl_debug_log
bf49b057
GS
3628# define Perl_debug_log PerlIO_stderr()
3629#endif
3630
3631#ifndef Perl_error_log
3632# define Perl_error_log (PL_stderrgv \
6b78add2 3633 && isGV(PL_stderrgv) \
01bb7c6d 3634 && GvIOp(PL_stderrgv) \
42de951c 3635 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3636 ? IoOFP(GvIOp(PL_stderrgv)) \
3637 : PerlIO_stderr())
0c30d9ec 3638#endif
3967c732 3639
aea4f609
DM
3640
3641#define DEBUG_p_FLAG 0x00000001 /* 1 */
3642#define DEBUG_s_FLAG 0x00000002 /* 2 */
3643#define DEBUG_l_FLAG 0x00000004 /* 4 */
3644#define DEBUG_t_FLAG 0x00000008 /* 8 */
3645#define DEBUG_o_FLAG 0x00000010 /* 16 */
3646#define DEBUG_c_FLAG 0x00000020 /* 32 */
3647#define DEBUG_P_FLAG 0x00000040 /* 64 */
3648#define DEBUG_m_FLAG 0x00000080 /* 128 */
3649#define DEBUG_f_FLAG 0x00000100 /* 256 */
3650#define DEBUG_r_FLAG 0x00000200 /* 512 */
3651#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3652#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3653/* U is reserved for Unofficial, exploratory hacking */
3654#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3655#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3656#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3657#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3658/* 0x00010000 is unused, used to be S */
aea4f609 3659#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3660#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3661#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3662#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3663#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3664#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3665#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3666#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3667#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3668#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM
3669
3670#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3671#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3672 that something was done? */
aea4f609 3673
bd16a5f0
IZ
3674# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3675# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3676# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3677# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3678# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3679# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3680# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3681# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3682# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3683# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3684# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3685# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3686# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3687# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3688# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3689# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ
3690# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3691# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3692# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3693# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3694# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3695# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3696# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3697# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3698# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3699# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3700# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3701
3967c732 3702#ifdef DEBUGGING
aea4f609 3703
bd16a5f0
IZ
3704# define DEBUG_p_TEST DEBUG_p_TEST_
3705# define DEBUG_s_TEST DEBUG_s_TEST_
3706# define DEBUG_l_TEST DEBUG_l_TEST_
3707# define DEBUG_t_TEST DEBUG_t_TEST_
3708# define DEBUG_o_TEST DEBUG_o_TEST_
3709# define DEBUG_c_TEST DEBUG_c_TEST_
3710# define DEBUG_P_TEST DEBUG_P_TEST_
3711# define DEBUG_m_TEST DEBUG_m_TEST_
3712# define DEBUG_f_TEST DEBUG_f_TEST_
3713# define DEBUG_r_TEST DEBUG_r_TEST_
3714# define DEBUG_x_TEST DEBUG_x_TEST_
3715# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3716# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3717# define DEBUG_H_TEST DEBUG_H_TEST_
3718# define DEBUG_X_TEST DEBUG_X_TEST_
3719# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ
3720# define DEBUG_T_TEST DEBUG_T_TEST_
3721# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3722# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3723# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3724# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3725# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3726# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3727# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3728# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3729# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3730# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3731
488b0c7a
JH
3732# define PERL_DEB(a) a
3733# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3734# define DEBUG_p(a) if (DEBUG_p_TEST) a
3735# define DEBUG_s(a) if (DEBUG_s_TEST) a
3736# define DEBUG_l(a) if (DEBUG_l_TEST) a
3737# define DEBUG_t(a) if (DEBUG_t_TEST) a
3738# define DEBUG_o(a) if (DEBUG_o_TEST) a
3739# define DEBUG_c(a) if (DEBUG_c_TEST) a
3740# define DEBUG_P(a) if (DEBUG_P_TEST) a
3741
969058bb
VK
3742 /* Temporarily turn off memory debugging in case the a
3743 * does memory allocation, either directly or indirectly. */
acfe0abc 3744# define DEBUG_m(a) \
0b250b9e 3745 STMT_START { \
aea4f609 3746 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3747 } STMT_END
aea4f609 3748
5f80b19c
AMS
3749# define DEBUG__(t, a) \
3750 STMT_START { \
3751 if (t) STMT_START {a;} STMT_END; \
3752 } STMT_END
3753
3754# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3755#ifndef PERL_EXT_RE_BUILD
5f80b19c 3756# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3757#else
3758# define DEBUG_r(a) STMT_START {a;} STMT_END
3759#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3760# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3761# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3762# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3763# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3764# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3765# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3766# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3767# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3768
5f80b19c
AMS
3769# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3770# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3771# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3772# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3773# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3774# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3775# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3776# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3777
3778#else /* DEBUGGING */
3779
3780# define DEBUG_p_TEST (0)
3781# define DEBUG_s_TEST (0)
3782# define DEBUG_l_TEST (0)
3783# define DEBUG_t_TEST (0)
3784# define DEBUG_o_TEST (0)
3785# define DEBUG_c_TEST (0)
3786# define DEBUG_P_TEST (0)
3787# define DEBUG_m_TEST (0)
3788# define DEBUG_f_TEST (0)