This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Initial very basic tests for PL_blockhooks.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW
21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB
29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH
35# include "uconfig.h"
36#else
b0f06652
VK
37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH
51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS
58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
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62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
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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
27da23d5
JH
72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH
78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
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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
27da23d5
JH
90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH
97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH
104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH
114# define USE_REENTRANT_API
115#endif
116
ac6bedea
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117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH
120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH
125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
cf5a8da6
MHM
130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
27da23d5
JH
143#ifdef PERL_GLOBAL_STRUCT
144# ifndef PERL_GET_VARS
145# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 146 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH
147# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
148# ifndef PERLIO_FUNCS_CONST
149# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
150# endif
151# else
152# define PERL_GET_VARS() PL_VarsPtr
153# endif
154# endif
155#endif
156
7a89be66 157#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH
158
159#ifdef PERL_GLOBAL_STRUCT
160# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
161#else
162# define dVAR dNOOP
163#endif
164
c5be433b 165#ifdef PERL_IMPLICIT_CONTEXT
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166# ifndef MULTIPLICITY
167# define MULTIPLICITY
c5be433b 168# endif
e8dda941 169# define tTHX PerlInterpreter*
5ba4cab2 170# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 171# define aTHX my_perl
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH
176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
894356b3
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185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
AL
188# define pTHX_5 6
189# define pTHX_6 7
a3b680e6
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190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
e8dda941
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193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
GS
198#endif
199
76e3520e
GS
200#define STATIC static
201#define CPERLscope(x) x
565764a8 202#define CPERLarg void
76e3520e 203#define CPERLarg_
e3b8966e 204#define _CPERLarg
1d583055
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205#define PERL_OBJECT_THIS
206#define _PERL_OBJECT_THIS
207#define PERL_OBJECT_THIS_
312caa8e 208#define CALL_FPTR(fptr) (*fptr)
76e3520e 209
312caa8e 210#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 211
3ab4a224 212#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 213
3ab4a224
AB
214#define CALLREGCOMP_ENG(prog, sv, flags) \
215 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 216#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 217 CALL_FPTR(RX_ENGINE(prog)->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO
218 (strbeg),(minend),(screamer),(data),(flags))
219#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
07bc277f 220 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO
221 (strend),(flags),(data))
222#define CALLREG_INTUIT_STRING(prog) \
07bc277f 223 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 224
f8149455
YO
225#define CALLREGFREE(prog) \
226 Perl_pregfree(aTHX_ (prog))
227
228#define CALLREGFREE_PVT(prog) \
07bc277f 229 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 230
2fdbfb4d 231#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 232 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 233
2fdbfb4d 234#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 235 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB
236
237#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 238 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 239
192b9cd1 240#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 241 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB
242
243#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 244 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB
245
246#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 247 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB
248
249#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 250 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB
251
252#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 253 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB
254
255#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 256 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB
257
258#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 259 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB
260
261#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 262 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB
263
264#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 265 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB
266
267#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 268 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 269
49d7dfbc 270#define CALLREG_PACKAGE(rx) \
07bc277f 271 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 272
00f254e2 273#if defined(USE_ITHREADS)
f9f4320a 274#define CALLREGDUPE(prog,param) \
f8149455
YO
275 Perl_re_dup(aTHX_ (prog),(param))
276
277#define CALLREGDUPE_PVT(prog,param) \
07bc277f 278 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
00f254e2 279 : (REGEXP *)NULL)
f9f4320a 280#endif
14dd3ad8 281
a20207d7 282
bcdf7404 283
a20207d7
YO
284
285
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286/*
287 * Because of backward compatibility reasons the PERL_UNUSED_DECL
288 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
289 *
290 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 291 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
292 * marking unused variables (they need e.g. a #pragma) and therefore
293 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
294 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
295 *
296 */
1266ad8c 297
9969cdde 298#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 299# ifdef __cplusplus
5ba4cab2 300# define PERL_UNUSED_DECL
5b2bd0a5 301# else
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
303# endif
304#endif
44dbb695 305
5b2bd0a5 306#ifndef PERL_UNUSED_DECL
34659ad4 307# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 308# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 309# else
5ba4cab2 310# define PERL_UNUSED_DECL
b79c357a 311# endif
5b2bd0a5 312#endif
00f254e2 313
349b520e
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314/* gcc -Wall:
315 * for silencing unused variables that are actually used most of the time,
a0288114 316 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 317 */
53c1dcc0 318#ifndef PERL_UNUSED_ARG
c99ffe5e 319# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 320# include <note.h>
53c1dcc0 321# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 322# else
53c1dcc0 323# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
324# endif
325#endif
53c1dcc0
AL
326#ifndef PERL_UNUSED_VAR
327# define PERL_UNUSED_VAR(x) ((void)x)
328#endif
ad73156c 329
96a5add6
AL
330#ifdef USE_ITHREADS
331# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
332#else
333# define PERL_UNUSED_CONTEXT
334#endif
335
6f207bd3 336#define NOOP /*EMPTY*/(void)0
6b484a99
JH
337#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
338#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
339#else
6f207bd3 340#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 341#endif
71be2cbc 342
0cb96387 343#ifndef pTHX
e8dda941
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344/* Don't bother defining tTHX and sTHX; using them outside
345 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
346 */
0cb96387
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347# define pTHX void
348# define pTHX_
0cb96387
GS
349# define aTHX
350# define aTHX_
0cb96387
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351# define dTHXa(a) dNOOP
352# define dTHX dNOOP
894356b3
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353# define pTHX_1 1
354# define pTHX_2 2
355# define pTHX_3 3
356# define pTHX_4 4
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357# define pTHX_5 5
358# define pTHX_6 6
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359# define pTHX_7 7
360# define pTHX_8 8
361# define pTHX_9 9
0cb96387
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362#endif
363
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364#ifndef dVAR
365# define dVAR dNOOP
366#endif
367
b4f7f263
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368/* these are only defined for compatibility; should not be used internally */
369#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS
370# define pTHXo pTHX
371# define pTHXo_ pTHX_
0cb96387
GS
372# define aTHXo aTHX
373# define aTHXo_ aTHX_
c5be433b 374# define dTHXo dTHX
71d280e3 375# define dTHXoa(x) dTHXa(x)
0cb96387
GS
376#endif
377
378#ifndef pTHXx
379# define pTHXx register PerlInterpreter *my_perl
380# define pTHXx_ pTHXx,
0cb96387
GS
381# define aTHXx my_perl
382# define aTHXx_ aTHXx,
c5be433b 383# define dTHXx dTHX
22c35a8c 384#endif
71be2cbc 385
1de7c2ac
GS
386/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
387 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
388 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
389#ifdef PERL_IMPLICIT_SYS
27da23d5
JH
390# ifdef PERL_GLOBAL_STRUCT_PRIVATE
391# define dTHXs dVAR; dTHX
392# else
393# define dTHXs dTHX
394# endif
1de7c2ac 395#else
27da23d5
JH
396# ifdef PERL_GLOBAL_STRUCT_PRIVATE
397# define dTHXs dVAR
398# else
399# define dTHXs dNOOP
400# endif
1de7c2ac
GS
401#endif
402
27da23d5
JH
403/* Some platforms require marking function declarations
404 * for them to be exportable. Used in perlio.h, proto.h
405 * is handled either by the makedef.pl or by defining the
406 * PERL_CALLCONV to be something special. See also the
407 * definition of XS() in XSUB.h. */
408#ifndef PERL_EXPORT_C
a0c21aa1
JH
409# ifdef __cplusplus
410# define PERL_EXPORT_C extern "C"
411# else
412# define PERL_EXPORT_C extern
413# endif
27da23d5
JH
414#endif
415#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
416# ifdef __cplusplus
417# define PERL_XS_EXPORT_C extern "C"
418# else
419# define PERL_XS_EXPORT_C
420# endif
27da23d5
JH
421#endif
422
462e5cf6
MB
423#ifdef OP_IN_REGISTER
424# ifdef __GNUC__
425# define stringify_immed(s) #s
426# define stringify(s) stringify_immed(s)
d1ca3daa 427register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB
428# endif
429#endif
430
e5afc1ae 431/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 432 * g++ allows them but seems to have problems with them
70aab261
RB
433 * (insane errors ensue).
434 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
435 */
436#if defined(PERL_GCC_PEDANTIC) || \
437 (defined(__GNUC__) && defined(__cplusplus) && \
438 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 439# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
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440# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
441# endif
5dc8bdac
JH
442#endif
443
5b692037
JH
444#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
445# ifndef PERL_USE_GCC_BRACE_GROUPS
446# define PERL_USE_GCC_BRACE_GROUPS
447# endif
448#endif
449
728e2803
PP
450/*
451 * STMT_START { statements; } STMT_END;
452 * can be used as a single statement, as in
453 * if (x) STMT_START { ... } STMT_END; else ...
454 *
455 * Trying to select a version that gives no warnings...
456 */
457#if !(defined(STMT_START) && defined(STMT_END))
5b692037 458# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 459# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
460# define STMT_END )
461# else
462 /* Now which other defined()s do we need here ??? */
93189314 463# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
464# define STMT_START if (1)
465# define STMT_END else (void)0
466# else
467# define STMT_START do
468# define STMT_END while (0)
469# endif
470# endif
471#endif
472
0cb96387 473#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 474#define WITH_THR(s) WITH_THX(s)
ea0efc06 475
d6f9c181
JH
476#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
477# define BYTEORDER 0x1234
79072805
LW
478#endif
479
480/* Overall memory policy? */
481#ifndef CONSERVATIVE
482# define LIBERAL 1
483#endif
484
8ada0baa
JH
485#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
486#define ASCIIish
487#else
488#undef ASCIIish
489#endif
490
79072805
LW
491/*
492 * The following contortions are brought to you on behalf of all the
493 * standards, semi-standards, de facto standards, not-so-de-facto standards
494 * of the world, as well as all the other botches anyone ever thought of.
495 * The basic theory is that if we work hard enough here, the rest of the
496 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
497 */
ac58e20f 498
ee0007ab 499/* define this once if either system, instead of cluttering up the src */
2986a63f 500#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
501#define DOSISH 1
502#endif
503
fb38d079 504#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
505# define STANDARD_C 1
506#endif
507
9969cdde 508#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
509# define DONT_DECLARE_STD 1
510#endif
511
352d5a3a 512#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 513# define VOL volatile
663a0e37 514#else
79072805 515# define VOL
663a0e37
LW
516#endif
517
3280af22
NIS
518#define TAINT (PL_tainted = TRUE)
519#define TAINT_NOT (PL_tainted = FALSE)
520#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
521#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 522#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 523
d460ef45 524/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
525 defines move there? If so, I could simplify this a lot. --AD 9/96.
526*/
527/* Process group stuff changed from traditional BSD to POSIX.
528 perlfunc.pod documents the traditional BSD-style syntax, so we'll
529 try to preserve that, if possible.
530*/
531#ifdef HAS_SETPGID
532# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 533#else
a6e633de
PP
534# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
535# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
536# else
537# ifdef HAS_SETPGRP2 /* DG/UX */
538# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
539# endif
540# endif
541#endif
542#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
543# define HAS_SETPGRP /* Well, effectively it does . . . */
544#endif
545
546/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
547 our life easier :-) so we'll try it.
548*/
549#ifdef HAS_GETPGID
550# define BSD_GETPGRP(pid) getpgid((pid))
551#else
552# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
553# define BSD_GETPGRP(pid) getpgrp((pid))
554# else
555# ifdef HAS_GETPGRP2 /* DG/UX */
556# define BSD_GETPGRP(pid) getpgrp2((pid))
557# endif
558# endif
559#endif
560#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
561# define HAS_GETPGRP /* Well, effectively it does . . . */
562#endif
563
d460ef45 564/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
565 have different behaviors, but perl.h used to define USE_BSDPGRP
566 (prior to 5.003_05) so some extension might depend on it.
567*/
568#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
569# ifndef USE_BSDPGRP
570# define USE_BSDPGRP
571# endif
663a0e37
LW
572#endif
573
8ac5a1fe
MH
574/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
575 pthread.h must be included before all other header files.
576*/
3db8f154 577#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
578# include <pthread.h>
579#endif
580
760ac839
LW
581#ifndef _TYPES_ /* If types.h defines this it's easy. */
582# ifndef major /* Does everyone's types.h define this? */
583# include <sys/types.h>
c07a80fd 584# endif
663a0e37
LW
585#endif
586
760ac839
LW
587#ifdef __cplusplus
588# ifndef I_STDARG
589# define I_STDARG 1
590# endif
591#endif
592
593#ifdef I_STDARG
594# include <stdarg.h>
595#else
596# ifdef I_VARARGS
597# include <varargs.h>
598# endif
599#endif
600
4633a7c4 601#ifdef USE_NEXT_CTYPE
0c30d9ec 602
092bebab
JH
603#if NX_CURRENT_COMPILER_RELEASE >= 500
604# include <bsd/ctypes.h>
605#else
606# if NX_CURRENT_COMPILER_RELEASE >= 400
607# include <objc/NXCType.h>
608# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
609# include <appkit/NXCType.h>
610# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
611#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
612
613#else /* !USE_NEXT_CTYPE */
fe14fcc3 614#include <ctype.h>
0c30d9ec 615#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
616
617#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
618#undef METHOD
a0d0e21e
LW
619#endif
620
12ae5dfc
JH
621#ifdef PERL_MICRO
622# define NO_LOCALE
623#endif
624
4633a7c4 625#ifdef I_LOCALE
36477c24 626# include <locale.h>
4633a7c4
LW
627#endif
628
36477c24
PP
629#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
630# define USE_LOCALE
631# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
632 && defined(HAS_STRXFRM)
633# define USE_LOCALE_COLLATE
634# endif
635# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
636# define USE_LOCALE_CTYPE
637# endif
638# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
639# define USE_LOCALE_NUMERIC
640# endif
641#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 642
fe14fcc3 643#include <setjmp.h>
79072805 644
a0d0e21e 645#ifdef I_SYS_PARAM
79072805
LW
646# ifdef PARAM_NEEDS_TYPES
647# include <sys/types.h>
648# endif
649# include <sys/param.h>
352d5a3a 650#endif
79072805 651
79072805 652/* Use all the "standard" definitions? */
a0d0e21e 653#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 654# include <stdlib.h>
ff68c719 655#endif
03a14243 656
3f270f98
JH
657/* If this causes problems, set i_unistd=undef in the hint file. */
658#ifdef I_UNISTD
659# include <unistd.h>
660#endif
661
de8ca8af
NT
662/* for WCOREDUMP */
663#ifdef I_SYS_WAIT
664# include <sys/wait.h>
665#endif
666
9969cdde 667#ifdef __SYMBIAN32__
27da23d5
JH
668# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
669#endif
670
7114a2d2 671#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 672EXTERN_C int syscall(int, ...);
2ef53570
JH
673#endif
674
7114a2d2 675#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 676EXTERN_C int usleep(unsigned int);
2ef53570
JH
677#endif
678
9c12f1e5
RGS
679/* Funky places that do not have socket stuff. */
680#if defined(__LIBCATAMOUNT__)
681# define MYSWAP
682#endif
683
9a34ef1d
GS
684#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
685# define MYSWAP
686#endif
687
1109a392
MHM
688#ifdef PERL_CORE
689
690/* macros for correct constant construction */
691# if INTSIZE >= 2
692# define U16_CONST(x) ((U16)x##U)
693# else
694# define U16_CONST(x) ((U16)x##UL)
695# endif
696
697# if INTSIZE >= 4
698# define U32_CONST(x) ((U32)x##U)
699# else
700# define U32_CONST(x) ((U32)x##UL)
701# endif
702
703# ifdef HAS_QUAD
704# if INTSIZE >= 8
705# define U64_CONST(x) ((U64)x##U)
706# elif LONGSIZE >= 8
707# define U64_CONST(x) ((U64)x##UL)
708# elif QUADKIND == QUAD_IS_LONG_LONG
709# define U64_CONST(x) ((U64)x##ULL)
710# else /* best guess we can make */
711# define U64_CONST(x) ((U64)x##UL)
712# endif
713# endif
714
715/* byte-swapping functions for big-/little-endian conversion */
716# define _swab_16_(x) ((U16)( \
717 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
718 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
719
720# define _swab_32_(x) ((U32)( \
721 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
722 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
723 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
724 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
725
726# ifdef HAS_QUAD
727# define _swab_64_(x) ((U64)( \
728 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
729 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
730 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
731 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
732 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
733 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
734 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
735 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
736# endif
737
738/*----------------------------------------------------------------------------*/
739# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
740/*----------------------------------------------------------------------------*/
741# define my_htole16(x) (x)
742# define my_letoh16(x) (x)
743# define my_htole32(x) (x)
744# define my_letoh32(x) (x)
745# define my_htobe16(x) _swab_16_(x)
746# define my_betoh16(x) _swab_16_(x)
747# define my_htobe32(x) _swab_32_(x)
748# define my_betoh32(x) _swab_32_(x)
749# ifdef HAS_QUAD
750# define my_htole64(x) (x)
751# define my_letoh64(x) (x)
752# define my_htobe64(x) _swab_64_(x)
753# define my_betoh64(x) _swab_64_(x)
754# endif
755# define my_htoles(x) (x)
756# define my_letohs(x) (x)
757# define my_htolei(x) (x)
758# define my_letohi(x) (x)
759# define my_htolel(x) (x)
760# define my_letohl(x) (x)
761# if SHORTSIZE == 1
762# define my_htobes(x) (x)
763# define my_betohs(x) (x)
764# elif SHORTSIZE == 2
765# define my_htobes(x) _swab_16_(x)
766# define my_betohs(x) _swab_16_(x)
767# elif SHORTSIZE == 4
768# define my_htobes(x) _swab_32_(x)
769# define my_betohs(x) _swab_32_(x)
770# elif SHORTSIZE == 8
771# define my_htobes(x) _swab_64_(x)
772# define my_betohs(x) _swab_64_(x)
773# else
774# define PERL_NEED_MY_HTOBES
775# define PERL_NEED_MY_BETOHS
776# endif
777# if INTSIZE == 1
778# define my_htobei(x) (x)
779# define my_betohi(x) (x)
780# elif INTSIZE == 2
781# define my_htobei(x) _swab_16_(x)
782# define my_betohi(x) _swab_16_(x)
783# elif INTSIZE == 4
784# define my_htobei(x) _swab_32_(x)
785# define my_betohi(x) _swab_32_(x)
786# elif INTSIZE == 8
787# define my_htobei(x) _swab_64_(x)
788# define my_betohi(x) _swab_64_(x)
789# else
790# define PERL_NEED_MY_HTOBEI
791# define PERL_NEED_MY_BETOHI
792# endif
793# if LONGSIZE == 1
794# define my_htobel(x) (x)
795# define my_betohl(x) (x)
796# elif LONGSIZE == 2
797# define my_htobel(x) _swab_16_(x)
798# define my_betohl(x) _swab_16_(x)
799# elif LONGSIZE == 4
800# define my_htobel(x) _swab_32_(x)
801# define my_betohl(x) _swab_32_(x)
802# elif LONGSIZE == 8
803# define my_htobel(x) _swab_64_(x)
804# define my_betohl(x) _swab_64_(x)
805# else
806# define PERL_NEED_MY_HTOBEL
807# define PERL_NEED_MY_BETOHL
808# endif
809# define my_htolen(p,n) NOOP
810# define my_letohn(p,n) NOOP
811# define my_htoben(p,n) my_swabn(p,n)
812# define my_betohn(p,n) my_swabn(p,n)
813/*----------------------------------------------------------------------------*/
814# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
815/*----------------------------------------------------------------------------*/
816# define my_htobe16(x) (x)
817# define my_betoh16(x) (x)
818# define my_htobe32(x) (x)
819# define my_betoh32(x) (x)
820# define my_htole16(x) _swab_16_(x)
821# define my_letoh16(x) _swab_16_(x)
822# define my_htole32(x) _swab_32_(x)
823# define my_letoh32(x) _swab_32_(x)
824# ifdef HAS_QUAD
825# define my_htobe64(x) (x)
826# define my_betoh64(x) (x)
827# define my_htole64(x) _swab_64_(x)
828# define my_letoh64(x) _swab_64_(x)
829# endif
830# define my_htobes(x) (x)
831# define my_betohs(x) (x)
832# define my_htobei(x) (x)
833# define my_betohi(x) (x)
834# define my_htobel(x) (x)
835# define my_betohl(x) (x)
836# if SHORTSIZE == 1
837# define my_htoles(x) (x)
838# define my_letohs(x) (x)
839# elif SHORTSIZE == 2
840# define my_htoles(x) _swab_16_(x)
841# define my_letohs(x) _swab_16_(x)
842# elif SHORTSIZE == 4
843# define my_htoles(x) _swab_32_(x)
844# define my_letohs(x) _swab_32_(x)
845# elif SHORTSIZE == 8
846# define my_htoles(x) _swab_64_(x)
847# define my_letohs(x) _swab_64_(x)
848# else
849# define PERL_NEED_MY_HTOLES
850# define PERL_NEED_MY_LETOHS
851# endif
852# if INTSIZE == 1
853# define my_htolei(x) (x)
854# define my_letohi(x) (x)
855# elif INTSIZE == 2
856# define my_htolei(x) _swab_16_(x)
857# define my_letohi(x) _swab_16_(x)
858# elif INTSIZE == 4
859# define my_htolei(x) _swab_32_(x)
860# define my_letohi(x) _swab_32_(x)
861# elif INTSIZE == 8
862# define my_htolei(x) _swab_64_(x)
863# define my_letohi(x) _swab_64_(x)
864# else
865# define PERL_NEED_MY_HTOLEI
866# define PERL_NEED_MY_LETOHI
867# endif
868# if LONGSIZE == 1
869# define my_htolel(x) (x)
870# define my_letohl(x) (x)
871# elif LONGSIZE == 2
872# define my_htolel(x) _swab_16_(x)
873# define my_letohl(x) _swab_16_(x)
874# elif LONGSIZE == 4
875# define my_htolel(x) _swab_32_(x)
876# define my_letohl(x) _swab_32_(x)
877# elif LONGSIZE == 8
878# define my_htolel(x) _swab_64_(x)
879# define my_letohl(x) _swab_64_(x)
880# else
881# define PERL_NEED_MY_HTOLEL
882# define PERL_NEED_MY_LETOHL
883# endif
884# define my_htolen(p,n) my_swabn(p,n)
885# define my_letohn(p,n) my_swabn(p,n)
886# define my_htoben(p,n) NOOP
887# define my_betohn(p,n) NOOP
888/*----------------------------------------------------------------------------*/
889# else /* all other byte-orders */
890/*----------------------------------------------------------------------------*/
891# define PERL_NEED_MY_HTOLE16
892# define PERL_NEED_MY_LETOH16
893# define PERL_NEED_MY_HTOBE16
894# define PERL_NEED_MY_BETOH16
895# define PERL_NEED_MY_HTOLE32
896# define PERL_NEED_MY_LETOH32
897# define PERL_NEED_MY_HTOBE32
898# define PERL_NEED_MY_BETOH32
899# ifdef HAS_QUAD
900# define PERL_NEED_MY_HTOLE64
901# define PERL_NEED_MY_LETOH64
902# define PERL_NEED_MY_HTOBE64
903# define PERL_NEED_MY_BETOH64
904# endif
905# define PERL_NEED_MY_HTOLES
906# define PERL_NEED_MY_LETOHS
907# define PERL_NEED_MY_HTOBES
908# define PERL_NEED_MY_BETOHS
909# define PERL_NEED_MY_HTOLEI
910# define PERL_NEED_MY_LETOHI
911# define PERL_NEED_MY_HTOBEI
912# define PERL_NEED_MY_BETOHI
913# define PERL_NEED_MY_HTOLEL
914# define PERL_NEED_MY_LETOHL
915# define PERL_NEED_MY_HTOBEL
916# define PERL_NEED_MY_BETOHL
917/*----------------------------------------------------------------------------*/
918# endif /* end of byte-order macros */
919/*----------------------------------------------------------------------------*/
920
9c17f24a
NC
921/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
922 at least on FreeBSD. YMMV, so experiment. */
923#ifndef PERL_ARENA_SIZE
924#define PERL_ARENA_SIZE 4080
925#endif
926
ccb2c8b8 927/* Maximum level of recursion */
2b9dff67
RGS
928#ifndef PERL_SUB_DEPTH_WARN
929#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
930#endif
931
1109a392
MHM
932#endif /* PERL_CORE */
933
bdf3085f
NC
934/* We no longer default to creating a new SV for GvSV.
935 Do this before embed. */
936#ifndef PERL_CREATE_GVSV
7459f06b
NC
937# ifndef PERL_DONT_CREATE_GVSV
938# define PERL_DONT_CREATE_GVSV
939# endif
bdf3085f
NC
940#endif
941
ca0c25f6
NC
942#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
943#define PERL_USES_PL_PIDSTATUS
944#endif
945
e37778c2 946#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS
947#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
948#endif
949
00f254e2 950/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS
951 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
952 */
96e176bf 953#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 954# include "embed.h"
eb8433b7
NC
955# ifndef PERL_MAD
956# undef op_getmad
b3f24c00 957# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 958# endif
cea2e8a9
GS
959#endif
960
c31fac66
GS
961#define MEM_SIZE Size_t
962
1936d2a7
NC
963/* Round all values passed to malloc up, by default to a multiple of
964 sizeof(size_t)
965*/
966#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
967#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
968#endif
969
51371543
GS
970#if defined(STANDARD_C) && defined(I_STDDEF)
971# include <stddef.h>
972# define STRUCT_OFFSET(s,m) offsetof(s,m)
973#else
974# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
975#endif
976
9969cdde 977#ifndef __SYMBIAN32__
27da23d5
JH
978# if defined(I_STRING) || defined(__cplusplus)
979# include <string.h>
980# else
981# include <strings.h>
982# endif
51371543
GS
983#endif
984
55497cff
PP
985/* This comes after <stdlib.h> so we don't try to change the standard
986 * library prototypes; we'll use our own in proto.h instead. */
03a14243 987
4633a7c4 988#ifdef MYMALLOC
86058a2d 989# ifdef PERL_POLLUTE_MALLOC
ee13e175 990# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
991# define Perl_malloc malloc
992# define Perl_calloc calloc
993# define Perl_realloc realloc
994# define Perl_mfree free
ee13e175 995# endif
86058a2d
GS
996# else
997# define EMBEDMYMALLOC /* for compatibility */
998# endif
827e134a 999
651b9576
GS
1000# define safemalloc Perl_malloc
1001# define safecalloc Perl_calloc
1002# define saferealloc Perl_realloc
1003# define safefree Perl_mfree
22f7c9c9
JH
1004# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1005 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1006 code; \
1007 } STMT_END
1008# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1009 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1010# define panic_write2(s) write(2, s, strlen(s))
1011# define CHECK_MALLOC_TAINT(newval) \
1012 CHECK_MALLOC_TOO_LATE_FOR_( \
1013 if (newval) { \
1014 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1015 exit(1); })
22f7c9c9 1016# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1017 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1018 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1019 }} STMT_END;
f2517201
GS
1020#else /* MYMALLOC */
1021# define safemalloc safesysmalloc
1022# define safecalloc safesyscalloc
1023# define saferealloc safesysrealloc
1024# define safefree safesysfree
22f7c9c9
JH
1025# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1026# define CHECK_MALLOC_TAINT(newval) ((void)0)
1027# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1028#endif /* MYMALLOC */
4633a7c4 1029
fe13d51d 1030/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1031#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
1032#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1033#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1034#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1035
a0d0e21e
LW
1036#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1037#define strchr index
1038#define strrchr rindex
1039#endif
1040
16d20bd9
AD
1041#ifdef I_MEMORY
1042# include <memory.h>
1043#endif
1044
fe14fcc3 1045#ifdef HAS_MEMCPY
85e6fe83 1046# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1047# ifndef memcpy
20ce7b12 1048 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1049# endif
1050# endif
1051#else
1052# ifndef memcpy
1053# ifdef HAS_BCOPY
1054# define memcpy(d,s,l) bcopy(s,d,l)
1055# else
1056# define memcpy(d,s,l) my_bcopy(s,d,l)
1057# endif
1058# endif
1059#endif /* HAS_MEMCPY */
fe14fcc3 1060
ee0007ab 1061#ifdef HAS_MEMSET
85e6fe83 1062# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1063# ifndef memset
20ce7b12 1064 extern char *memset (char*, int, int);
ee0007ab
LW
1065# endif
1066# endif
ee0007ab 1067#else
12ae5dfc 1068# undef memset
fc36a67e 1069# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1070#endif /* HAS_MEMSET */
1071
85e6fe83 1072#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1073# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1074# define memmove(d,s,l) bcopy(s,d,l)
1075# else
2304df62 1076# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1077# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1078# else
79072805 1079# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1080# endif
352d5a3a 1081# endif
d9d8d8de 1082#endif
ee0007ab 1083
36477c24
PP
1084#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1085# undef HAS_MEMCMP
1086#endif
1087
1088#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1089# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1090# ifndef memcmp
20ce7b12 1091 extern int memcmp (char*, char*, int);
ee0007ab
LW
1092# endif
1093# endif
36477c24 1094# ifdef BUGGY_MSC
7e4e8c89 1095# pragma function(memcmp)
36477c24 1096# endif
ee0007ab
LW
1097#else
1098# ifndef memcmp
ecfc5424 1099# define memcmp my_memcmp
352d5a3a 1100# endif
36477c24 1101#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1102
fc36a67e 1103#ifndef memzero
c635e13b
PP
1104# ifdef HAS_MEMSET
1105# define memzero(d,l) memset(d,0,l)
79072805 1106# else
c635e13b
PP
1107# ifdef HAS_BZERO
1108# define memzero(d,l) bzero(d,l)
79072805 1109# else
fc36a67e 1110# define memzero(d,l) my_bzero(d,l)
79072805
LW
1111# endif
1112# endif
d9d8d8de 1113#endif
378cc40b 1114
2f42fcb0 1115#ifndef PERL_MICRO
0f27ced1
JH
1116#ifndef memchr
1117# ifndef HAS_MEMCHR
1118# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1119# endif
1120#endif
2f42fcb0 1121#endif
0f27ced1 1122
36477c24
PP
1123#ifndef HAS_BCMP
1124# ifndef bcmp
1125# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1126# endif
36477c24 1127#endif /* !HAS_BCMP */
378cc40b 1128
ae986130 1129#ifdef I_NETINET_IN
79072805 1130# include <netinet/in.h>
ae986130
LW
1131#endif
1132
28e8609d
JH
1133#ifdef I_ARPA_INET
1134# include <arpa/inet.h>
1135#endif
1136
84902520
TB
1137#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1138/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1139 * (the neo-BSD seem to do this). */
1140# undef SF_APPEND
1141#endif
1142
1aef975c 1143#ifdef I_SYS_STAT
84902520 1144# include <sys/stat.h>
1aef975c 1145#endif
79072805 1146
287a962e
JD
1147/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1148 This definition should ideally go into win32/win32.h, but S_IFIFO is
1149 used later here in perl.h before win32/win32.h is being included. */
1150#if !defined(S_IFIFO) && defined(_S_IFIFO)
1151# define S_IFIFO _S_IFIFO
1152#endif
1153
a0d0e21e
LW
1154/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1155 like UTekV) are broken, sometimes giving false positives. Undefine
1156 them here and let the code below set them to proper values.
1157
1158 The ghs macro stands for GreenHills Software C-1.8.5 which
1159 is the C compiler for sysV88 and the various derivatives.
1160 This header file bug is corrected in gcc-2.5.8 and later versions.
1161 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1162
1163#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1164# undef S_ISDIR
1165# undef S_ISCHR
1166# undef S_ISBLK
1167# undef S_ISREG
1168# undef S_ISFIFO
1169# undef S_ISLNK
ee0007ab 1170#endif
135863df 1171
663a0e37
LW
1172#ifdef I_TIME
1173# include <time.h>
ffed7fef 1174#endif
663a0e37 1175
fe14fcc3 1176#ifdef I_SYS_TIME
85e6fe83 1177# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1178# define KERNEL
1179# endif
1180# include <sys/time.h>
85e6fe83 1181# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1182# undef KERNEL
1183# endif
a687059c 1184#endif
135863df 1185
55497cff 1186#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1187# include <sys/times.h>
d9d8d8de 1188#endif
8d063cd8 1189
fe14fcc3 1190#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1191# undef HAS_STRERROR
663a0e37
LW
1192#endif
1193
1194#include <errno.h>
1e743fda 1195
acfe0abc 1196#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1197# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1198#endif
1199
8cfab5ff 1200/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1201 * This is important for using IPv6.
8cfab5ff
JH
1202 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1203 * a bad idea since it breaks send() and recv(). */
1204#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1205# define _SOCKADDR_LEN
1206#endif
1207
8d3f517a 1208#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1209# include <sys/socket.h>
1210# if defined(USE_SOCKS) && defined(I_SOCKS)
1211# if !defined(INCLUDE_PROTOTYPES)
1212# define INCLUDE_PROTOTYPES /* for <socks.h> */
1213# define PERL_SOCKS_NEED_PROTOTYPES
1214# endif
1215# include <socks.h>
1216# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1217# undef INCLUDE_PROTOTYPES
1218# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1219# endif
d460ef45 1220# endif
1e743fda 1221# ifdef I_NETDB
2986a63f
JH
1222# ifdef NETWARE
1223# include<stdio.h>
1224# endif
1e743fda
JH
1225# include <netdb.h>
1226# endif
1227# ifndef ENOTSOCK
1228# ifdef I_NET_ERRNO
1229# include <net/errno.h>
1230# endif
1231# endif
1232#endif
1233
fa0a29af 1234/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1235 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1236 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1237#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1238# if defined(__THROW) && defined(__GLIBC__)
1239int sockatmark(int) __THROW;
1240# else
2ef53570 1241int sockatmark(int);
29820b6d 1242# endif
2ef53570
JH
1243#endif
1244
7e827271 1245#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
1246EXTERN_C int fchdir(int);
1247EXTERN_C int flock(int, int);
1248EXTERN_C int fseeko(FILE *, off_t, int);
1249EXTERN_C off_t ftello(FILE *);
1250#endif
1251
7e827271 1252#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1253EXTERN_C char *crypt(const char *, const char *);
7e827271 1254EXTERN_C char **environ;
1ccb7c8d
JH
1255#endif
1256
83a6ff2e 1257#if defined(__cplusplus)
944c4fda 1258# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1259EXTERN_C char **environ;
83a6ff2e 1260# elif defined(__CYGWIN__)
667e2948
SP
1261EXTERN_C char *crypt(const char *, const char *);
1262#endif
83a6ff2e 1263#endif
667e2948 1264
1e743fda
JH
1265#ifdef SETERRNO
1266# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1267#endif
f86702cc
PP
1268
1269#ifdef VMS
1270# define SETERRNO(errcode,vmserrcode) \
1271 STMT_START { \
1272 set_errno(errcode); \
1273 set_vaxc_errno(vmserrcode); \
1274 } STMT_END
4ee39169
CS
1275# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1276# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1277# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1278# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1279
93189314
JH
1280# define LIB_INVARG LIB$_INVARG
1281# define RMS_DIR RMS$_DIR
1282# define RMS_FAC RMS$_FAC
1283# define RMS_FEX RMS$_FEX
1284# define RMS_FNF RMS$_FNF
1285# define RMS_IFI RMS$_IFI
1286# define RMS_ISI RMS$_ISI
1287# define RMS_PRV RMS$_PRV
1288# define SS_ACCVIO SS$_ACCVIO
1289# define SS_DEVOFFLINE SS$_DEVOFFLINE
1290# define SS_IVCHAN SS$_IVCHAN
1291# define SS_NORMAL SS$_NORMAL
748a9306 1292#else
aba27d88 1293# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1294# define dSAVEDERRNO int saved_errno
1295# define dSAVE_ERRNO int saved_errno = errno
1296# define SAVE_ERRNO (saved_errno = errno)
1297# define RESTORE_ERRNO (errno = saved_errno)
1298
93189314
JH
1299# define LIB_INVARG 0
1300# define RMS_DIR 0
1301# define RMS_FAC 0
1302# define RMS_FEX 0
1303# define RMS_FNF 0
1304# define RMS_IFI 0
1305# define RMS_ISI 0
1306# define RMS_PRV 0
1307# define SS_ACCVIO 0
1308# define SS_DEVOFFLINE 0
1309# define SS_IVCHAN 0
1310# define SS_NORMAL 0
748a9306 1311#endif
ed6116ce 1312
f5fa9033 1313#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1314
1315#define CLEAR_ERRSV() STMT_START { \
1316 if (!GvSV(PL_errgv)) { \
1317 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1318 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1319 SvREFCNT_dec(GvSV(PL_errgv)); \
1320 GvSV(PL_errgv) = newSVpvs(""); \
1321 } else { \
1322 SV *const errsv = GvSV(PL_errgv); \
1323 sv_setpvs(errsv, ""); \
1324 if (SvMAGICAL(errsv)) { \
1325 mg_free(errsv); \
1326 } \
1327 SvPOK_only(errsv); \
1328 } \
1329 } STMT_END
1330
1331
414bf5ae
MHM
1332#ifdef PERL_CORE
1333# define DEFSV (0 + GvSVn(PL_defgv))
1334#else
1335# define DEFSV GvSVn(PL_defgv)
1336#endif
1337#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1338#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1339
98eae8f5
GS
1340#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1341
55497cff 1342#ifndef errno
5ff3f7a4
GS
1343 extern int errno; /* ANSI allows errno to be an lvalue expr.
1344 * For example in multithreaded environments
1345 * something like this might happen:
1346 * extern int *_errno(void);
1347 * #define errno (*_errno()) */
d9d8d8de 1348#endif
663a0e37 1349
2304df62 1350#ifdef HAS_STRERROR
a0d0e21e 1351# ifdef VMS
20ce7b12 1352 char *strerror (int,...);
a0d0e21e 1353# else
68dc0745 1354#ifndef DONT_DECLARE_STD
20ce7b12 1355 char *strerror (int);
68dc0745 1356#endif
a0d0e21e 1357# endif
2304df62
AD
1358# ifndef Strerror
1359# define Strerror strerror
1360# endif
1361#else
1362# ifdef HAS_SYS_ERRLIST
79072805
LW
1363 extern int sys_nerr;
1364 extern char *sys_errlist[];
2304df62
AD
1365# ifndef Strerror
1366# define Strerror(e) \
79072805 1367 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1368# endif
79072805 1369# endif
35c8bce7 1370#endif
663a0e37 1371
2304df62 1372#ifdef I_SYS_IOCTL
79072805
LW
1373# ifndef _IOCTL_
1374# include <sys/ioctl.h>
1375# endif
a687059c
LW
1376#endif
1377
ee0007ab 1378#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1379# ifdef HAS_SOCKETPAIR
1380# undef HAS_SOCKETPAIR
1381# endif
2304df62
AD
1382# ifdef I_NDBM
1383# undef I_NDBM
79072805 1384# endif
a687059c
LW
1385#endif
1386
02fc2eee
NC
1387#ifndef HAS_SOCKETPAIR
1388# ifdef HAS_SOCKET
1389# define socketpair Perl_my_socketpair
1390# endif
1391#endif
1392
a687059c 1393#if INTSIZE == 2
79072805
LW
1394# define htoni htons
1395# define ntohi ntohs
a687059c 1396#else
79072805
LW
1397# define htoni htonl
1398# define ntohi ntohl
a687059c
LW
1399#endif
1400
a0d0e21e 1401/* Configure already sets Direntry_t */
35c8bce7 1402#if defined(I_DIRENT)
663a0e37 1403# include <dirent.h>
8f1f23e8
W
1404 /* NeXT needs dirent + sys/dir.h */
1405# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1406# include <sys/dir.h>
1407# endif
ae986130 1408#else
fe14fcc3 1409# ifdef I_SYS_NDIR
79a0689e 1410# include <sys/ndir.h>
663a0e37 1411# else
fe14fcc3 1412# ifdef I_SYS_DIR
79a0689e
LW
1413# ifdef hp9000s500
1414# include <ndir.h> /* may be wrong in the future */
1415# else
1416# include <sys/dir.h>
1417# endif
663a0e37
LW
1418# endif
1419# endif
4633a7c4 1420#endif
a687059c 1421
12ae5dfc
JH
1422#ifdef PERL_MICRO
1423# ifndef DIR
1424# define DIR void
1425# endif
1426#endif
1427
352d5a3a
LW
1428#ifdef FPUTS_BOTCH
1429/* work around botch in SunOS 4.0.1 and 4.0.2 */
1430# ifndef fputs
79072805 1431# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1432# endif
1433#endif
1434
c623bd54
LW
1435/*
1436 * The following gobbledygook brought to you on behalf of __STDC__.
1437 * (I could just use #ifndef __STDC__, but this is more bulletproof
1438 * in the face of half-implementations.)
1439 */
1440
7114a2d2 1441#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1442#include <sys/mode.h>
1443#endif
1444
c623bd54
LW
1445#ifndef S_IFMT
1446# ifdef _S_IFMT
1447# define S_IFMT _S_IFMT
1448# else
1449# define S_IFMT 0170000
1450# endif
1451#endif
1452
1453#ifndef S_ISDIR
1454# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1455#endif
1456
1457#ifndef S_ISCHR
1458# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1459#endif
1460
1461#ifndef S_ISBLK
fe14fcc3
LW
1462# ifdef S_IFBLK
1463# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1464# else
1465# define S_ISBLK(m) (0)
1466# endif
c623bd54
LW
1467#endif
1468
1469#ifndef S_ISREG
1470# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1471#endif
1472
1473#ifndef S_ISFIFO
fe14fcc3
LW
1474# ifdef S_IFIFO
1475# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1476# else
1477# define S_ISFIFO(m) (0)
1478# endif
c623bd54
LW
1479#endif
1480
1481#ifndef S_ISLNK
1482# ifdef _S_ISLNK
1483# define S_ISLNK(m) _S_ISLNK(m)
1484# else
1485# ifdef _S_IFLNK
1486# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1487# else
1488# ifdef S_IFLNK
1489# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1490# else
1491# define S_ISLNK(m) (0)
1492# endif
1493# endif
1494# endif
1495#endif
1496
1497#ifndef S_ISSOCK
1498# ifdef _S_ISSOCK
1499# define S_ISSOCK(m) _S_ISSOCK(m)
1500# else
1501# ifdef _S_IFSOCK
1502# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1503# else
1504# ifdef S_IFSOCK
1505# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1506# else
1507# define S_ISSOCK(m) (0)
1508# endif
1509# endif
1510# endif
1511#endif
1512
1513#ifndef S_IRUSR
1514# ifdef S_IREAD
1515# define S_IRUSR S_IREAD
1516# define S_IWUSR S_IWRITE
1517# define S_IXUSR S_IEXEC
1518# else
1519# define S_IRUSR 0400
1520# define S_IWUSR 0200
1521# define S_IXUSR 0100
1522# endif
fac7cdfc 1523#endif
1524
1525#ifndef S_IRGRP
1526# ifdef S_IRUSR
1527# define S_IRGRP (S_IRUSR>>3)
1528# define S_IWGRP (S_IWUSR>>3)
1529# define S_IXGRP (S_IXUSR>>3)
1530# else
1531# define S_IRGRP 0040
1532# define S_IWGRP 0020
1533# define S_IXGRP 0010
1534# endif
1535#endif
1536
1537#ifndef S_IROTH
1538# ifdef S_IRUSR
1539# define S_IROTH (S_IRUSR>>6)
1540# define S_IWOTH (S_IWUSR>>6)
1541# define S_IXOTH (S_IXUSR>>6)
1542# else
1543# define S_IROTH 0040
1544# define S_IWOTH 0020
1545# define S_IXOTH 0010
1546# endif
c623bd54
LW
1547#endif
1548
1549#ifndef S_ISUID
1550# define S_ISUID 04000
1551#endif
1552
1553#ifndef S_ISGID
1554# define S_ISGID 02000
1555#endif
1556
ca6e1c26
JH
1557#ifndef S_IRWXU
1558# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1559#endif
ca6e1c26
JH
1560
1561#ifndef S_IRWXG
1562# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1563#endif
ca6e1c26
JH
1564
1565#ifndef S_IRWXO
1566# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1567#endif
ca6e1c26 1568
df00ff3b 1569/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1570 * which would get included through <sys/file.h >, but that is 3000
1571 * lines in the future. --jhi */
1572
df00ff3b 1573#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1574# define S_IREAD S_IRUSR
1575#endif
1576
df00ff3b 1577#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1578# define S_IWRITE S_IWUSR
1579#endif
1580
1581#ifndef S_IEXEC
1582# define S_IEXEC S_IXUSR
1583#endif
1584
79072805
LW
1585#ifdef ff_next
1586# undef ff_next
352d5a3a
LW
1587#endif
1588
a0d0e21e 1589#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1590# define SLOPPYDIVIDE
1591#endif
1592
748a9306
LW
1593#ifdef UV
1594#undef UV
1595#endif
1596
c89df6bf
JH
1597#ifdef SPRINTF_E_BUG
1598# define sprintf UTS_sprintf_wrap
1599#endif
1600
ce582cee
NC
1601/* For the times when you want the return value of sprintf, and you want it
1602 to be the length. Can't have a thread variable passed in, because C89 has
1603 no varargs macros.
1604*/
1605#ifdef SPRINTF_RETURNS_STRLEN
1606# define my_sprintf sprintf
1607#else
1608# define my_sprintf Perl_my_sprintf
1609#endif
1610
5b692037
JH
1611/*
1612 * If we have v?snprintf() and the C99 variadic macros, we can just
1613 * use just the v?snprintf(). It is nice to try to trap the buffer
1614 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1615 * gcc statement expressions, then use the function wrappers which try
1616 * to trap the overflow. If we can use the gcc statement expressions,
1617 * we can try that even with the version that uses the C99 variadic
1618 * macros.
5b692037
JH
1619 */
1620
1208b3dd
JH
1621/* Note that we do not check against snprintf()/vsnprintf() returning
1622 * negative values because that is non-standard behaviour and we use
1623 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1624 * that should be true only if the snprintf()/vsnprintf() are true
1625 * to the standard. */
1626
dfeee9b1 1627#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1628# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1629# 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 1630# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1631# else
1632# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1633# endif
1634#else
1635# define my_snprintf Perl_my_snprintf
1208b3dd 1636# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1637#endif
1638
dfeee9b1 1639#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1640# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1641# define my_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 1642# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1643# else
1644# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1645# endif
1646#else
1647# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1648# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1649#endif
d9fad198 1650
a6cc4119
SP
1651#ifdef HAS_STRLCAT
1652# define my_strlcat strlcat
1653#else
1654# define my_strlcat Perl_my_strlcat
1655#endif
1656
1657#ifdef HAS_STRLCPY
1658# define my_strlcpy strlcpy
1659#else
1660# define my_strlcpy Perl_my_strlcpy
1661#endif
1662
c495e728
JH
1663/* Configure gets this right but the UTS compiler gets it wrong.
1664 -- Hal Morris <hom00@utsglobal.com> */
1665#ifdef UTS
1666# undef UVTYPE
1667# define UVTYPE unsigned
1668#endif
1669
05f13f53 1670/*
27d4fb96
PP
1671 The IV type is supposed to be long enough to hold any integral
1672 value or a pointer.
1673 --Andy Dougherty August 1996
1674*/
1675
a22e52b9
JH
1676typedef IVTYPE IV;
1677typedef UVTYPE UV;
8175356b 1678
10cc9d2a 1679#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1680# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1681# define IV_MAX INT64_MAX
1682# define IV_MIN INT64_MIN
1683# define UV_MAX UINT64_MAX
cae7ae48
JH
1684# ifndef UINT64_MIN
1685# define UINT64_MIN 0
1686# endif
5ff3f7a4
GS
1687# define UV_MIN UINT64_MIN
1688# else
1689# define IV_MAX PERL_QUAD_MAX
1690# define IV_MIN PERL_QUAD_MIN
1691# define UV_MAX PERL_UQUAD_MAX
1692# define UV_MIN PERL_UQUAD_MIN
1693# endif
cf2093f6
JH
1694# define IV_IS_QUAD
1695# define UV_IS_QUAD
79072805 1696#else
8175356b 1697# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1698# define IV_MAX INT32_MAX
1699# define IV_MIN INT32_MIN
716026f9
DL
1700# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1701# define UV_MAX UINT32_MAX
1702# else
1703# define UV_MAX 4294967295U
1704# endif
cae7ae48
JH
1705# ifndef UINT32_MIN
1706# define UINT32_MIN 0
1707# endif
5ff3f7a4
GS
1708# define UV_MIN UINT32_MIN
1709# else
1710# define IV_MAX PERL_LONG_MAX
1711# define IV_MIN PERL_LONG_MIN
1712# define UV_MAX PERL_ULONG_MAX
1713# define UV_MIN PERL_ULONG_MIN
1714# endif
8175356b 1715# if IVSIZE == 8
cf2093f6
JH
1716# define IV_IS_QUAD
1717# define UV_IS_QUAD
de1c2614
JH
1718# ifndef HAS_QUAD
1719# define HAS_QUAD
1720# endif
cf2093f6
JH
1721# else
1722# undef IV_IS_QUAD
1723# undef UV_IS_QUAD
de1c2614 1724# undef HAS_QUAD
cf2093f6 1725# endif
79072805 1726#endif
d7d93a81 1727
1109a392
MHM
1728#ifndef HAS_QUAD
1729# undef PERL_NEED_MY_HTOLE64
1730# undef PERL_NEED_MY_LETOH64
1731# undef PERL_NEED_MY_HTOBE64
1732# undef PERL_NEED_MY_BETOH64
1733#endif
1734
6cde8aec 1735#if defined(uts) || defined(UTS)
11afe549
HM
1736# undef UV_MAX
1737# define UV_MAX (4294967295u)
20601011
JH
1738#endif
1739
cae7ae48 1740#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1741#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1742
28e5dec8 1743#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1744#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1745#endif
1746
d460ef45 1747/*
26bb67e2
JH
1748 * The macros INT2PTR and NUM2PTR are (despite their names)
1749 * bi-directional: they will convert int/float to or from pointers.
1750 * However the conversion to int/float are named explicitly:
1751 * PTR2IV, PTR2UV, PTR2NV.
1752 *
1753 * For int conversions we do not need two casts if pointers are
1754 * the same size as IV and UV. Otherwise we need an explicit
1755 * cast (PTRV) to avoid compiler warnings.
1756 */
56431972
RB
1757#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1758# define PTRV UV
1759# define INT2PTR(any,d) (any)(d)
1760#else
d460ef45 1761# if PTRSIZE == LONGSIZE
56431972 1762# define PTRV unsigned long
e91e3b10 1763# define PTR2ul(p) (unsigned long)(p)
42718184 1764# else
56431972 1765# define PTRV unsigned
42718184 1766# endif
e91e3b10
RB
1767#endif
1768
1769#ifndef INT2PTR
56431972 1770# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1771#endif
e91e3b10
RB
1772
1773#ifndef PTR2ul
1774# define PTR2ul(p) INT2PTR(unsigned long,p)
1775#endif
1776
56431972
RB
1777#define NUM2PTR(any,d) (any)(PTRV)(d)
1778#define PTR2IV(p) INT2PTR(IV,p)
1779#define PTR2UV(p) INT2PTR(UV,p)
1780#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1781#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1782
8141890a
JH
1783/* According to strict ANSI C89 one cannot freely cast between
1784 * data pointers and function (code) pointers. There are at least
1785 * two ways around this. One (used below) is to do two casts,
1786 * first the other pointer to an (unsigned) integer, and then
1787 * the integer to the other pointer. The other way would be
1788 * to use unions to "overlay" the pointers. For an example of
1789 * the latter technique, see union dirpu in struct xpvio in sv.h.
1790 * The only feasible use is probably temporarily storing
1791 * function pointers in a data pointer (such as a void pointer). */
1792
e91e3b10
RB
1793#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1794#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1795
65202027 1796#ifdef USE_LONG_DOUBLE
1048ea30
JH
1797# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1798# define LONG_DOUBLE_EQUALS_DOUBLE
1799# endif
68d4903c 1800# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1801# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1802# endif
1803#endif
1804
2d4389e4
JH
1805#ifdef OVR_DBL_DIG
1806/* Use an overridden DBL_DIG */
1807# ifdef DBL_DIG
1808# undef DBL_DIG
1809# endif
1810# define DBL_DIG OVR_DBL_DIG
1811#else
1812/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1813 default value for printing floating point numbers in Gconvert
1814 (see config.h). (It also has other uses, such as figuring out if
1815 a given precision of printing can be done with a double instead of
1816 a long double - Allen).
2d4389e4
JH
1817*/
1818#ifdef I_LIMITS
1819#include <limits.h>
1820#endif
1821#ifdef I_FLOAT
1822#include <float.h>
1823#endif
1824#ifndef HAS_DBL_DIG
1825#define DBL_DIG 15 /* A guess that works lots of places */
1826#endif
1827#endif
1828
1829#ifdef OVR_LDBL_DIG
1830/* Use an overridden LDBL_DIG */
1831# ifdef LDBL_DIG
1832# undef LDBL_DIG
1833# endif
1834# define LDBL_DIG OVR_LDBL_DIG
1835#else
1836/* The following is all to get LDBL_DIG, in order to pick a nice
1837 default value for printing floating point numbers in Gconvert.
1838 (see config.h)
1839*/
68d4903c
JH
1840# ifdef I_LIMITS
1841# include <limits.h>
1842# endif
1843# ifdef I_FLOAT
1844# include <float.h>
1845# endif
1846# ifndef HAS_LDBL_DIG
1847# if LONG_DOUBLESIZE == 10
1848# define LDBL_DIG 18 /* assume IEEE */
1849# else
1850# if LONG_DOUBLESIZE == 12
1851# define LDBL_DIG 18 /* gcc? */
1852# else
1853# if LONG_DOUBLESIZE == 16
1854# define LDBL_DIG 33 /* assume IEEE */
1855# else
1856# if LONG_DOUBLESIZE == DOUBLESIZE
1857# define LDBL_DIG DBL_DIG /* bummer */
1858# endif
1859# endif
1860# endif
1861# endif
1862# endif
2d4389e4
JH
1863#endif
1864
20f6aaab
AS
1865/*
1866 * This is for making sure we have a good DBL_MAX value, if possible,
1867 * either for usage as NV_MAX or for usage in figuring out if we can
1868 * fit a given long double into a double, if bug-fixing makes it
1869 * necessary to do so. - Allen <allens@cpan.org>
1870 */
1871
205f51d8
AS
1872#ifdef I_LIMITS
1873# include <limits.h>
20f6aaab
AS
1874#endif
1875
205f51d8
AS
1876#ifdef I_VALUES
1877# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1878# include <values.h>
1879# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1880# define DBL_MAX MAXDOUBLE
1881# endif
1882# if defined(MINDOUBLE) && !defined(DBL_MIN)
1883# define DBL_MIN MINDOUBLE
1884# endif
1885# endif
1886#endif /* defined(I_VALUES) */
1887
a22e52b9 1888typedef NVTYPE NV;
8175356b 1889
792d8dab
JH
1890#ifdef I_IEEEFP
1891# include <ieeefp.h>
1892#endif
923fc586 1893
65202027 1894#ifdef USE_LONG_DOUBLE
923fc586
JH
1895# ifdef I_SUNMATH
1896# include <sunmath.h>
1897# endif
2d4389e4 1898# define NV_DIG LDBL_DIG
d6c14000
JH
1899# ifdef LDBL_MANT_DIG
1900# define NV_MANT_DIG LDBL_MANT_DIG
1901# endif
06fc1729
JH
1902# ifdef LDBL_MIN
1903# define NV_MIN LDBL_MIN
1904# endif
1905# ifdef LDBL_MAX
1906# define NV_MAX LDBL_MAX
1907# endif
1908# ifdef LDBL_MIN_10_EXP
1909# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1910# endif
1911# ifdef LDBL_MAX_10_EXP
1912# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1913# endif
1914# ifdef LDBL_EPSILON
1915# define NV_EPSILON LDBL_EPSILON
1916# endif
f4a14a62
JH
1917# ifdef LDBL_MAX
1918# define NV_MAX LDBL_MAX
20f6aaab 1919/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1920# else
1921# ifdef HUGE_VALL
1922# define NV_MAX HUGE_VALL
1923# else
1924# ifdef HUGE_VAL
1925# define NV_MAX ((NV)HUGE_VAL)
1926# endif
1927# endif
1928# endif
68d4903c 1929# ifdef HAS_SQRTL
68d4903c
JH
1930# define Perl_cos cosl
1931# define Perl_sin sinl
1932# define Perl_sqrt sqrtl
1933# define Perl_exp expl
1934# define Perl_log logl
1935# define Perl_atan2 atan2l
1936# define Perl_pow powl
1937# define Perl_floor floorl
1bbae031 1938# define Perl_ceil ceill
68d4903c
JH
1939# define Perl_fmod fmodl
1940# endif
a3540c92
JH
1941/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1942# ifdef HAS_MODFL
1943# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1944/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1945 prototype in <math.h> */
1946# ifndef HAS_MODFL_PROTO
a221a8a5 1947EXTERN_C long double modfl(long double, long double *);
51997bc3 1948# endif
03476e8e
JH
1949# else
1950# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1951 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1952# define Perl_modf(x,y) Perl_my_modfl(x,y)
1953# endif
a3540c92
JH
1954# endif
1955# ifdef HAS_FREXPL
dff3e0b8 1956# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1957# else
1958# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1959 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1960# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1961# endif
a3540c92 1962# endif
38dbb4c5 1963# ifndef Perl_isnan
758a5d79
JH
1964# ifdef HAS_ISNANL
1965# define Perl_isnan(x) isnanl(x)
1966# endif
1967# endif
1968# ifndef Perl_isinf
1969# ifdef HAS_FINITEL
1970# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1971# endif
1972# endif
65202027 1973#else
2d4389e4 1974# define NV_DIG DBL_DIG
d6c14000
JH
1975# ifdef DBL_MANT_DIG
1976# define NV_MANT_DIG DBL_MANT_DIG
1977# endif
06fc1729
JH
1978# ifdef DBL_MIN
1979# define NV_MIN DBL_MIN
1980# endif
1981# ifdef DBL_MAX
1982# define NV_MAX DBL_MAX
1983# endif
1984# ifdef DBL_MIN_10_EXP
1985# define NV_MIN_10_EXP DBL_MIN_10_EXP
1986# endif
1987# ifdef DBL_MAX_10_EXP
1988# define NV_MAX_10_EXP DBL_MAX_10_EXP
1989# endif
1990# ifdef DBL_EPSILON
1991# define NV_EPSILON DBL_EPSILON
1992# endif
205f51d8 1993# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1994# define NV_MAX DBL_MAX
1995# define NV_MIN DBL_MIN
1996# else
1997# ifdef HUGE_VAL
1998# define NV_MAX HUGE_VAL
1999# endif
2000# endif
65202027
DS
2001# define Perl_cos cos
2002# define Perl_sin sin
2003# define Perl_sqrt sqrt
2004# define Perl_exp exp
2005# define Perl_log log
2006# define Perl_atan2 atan2
2007# define Perl_pow pow
2008# define Perl_floor floor
1bbae031 2009# define Perl_ceil ceil
65202027 2010# define Perl_fmod fmod
a3540c92 2011# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2012# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2013#endif
2014
2015/* rumor has it that Win32 has _fpclass() */
2016
205f51d8
AS
2017/* SGI has fpclassl... but not with the same result values,
2018 * and it's via a typedef (not via #define), so will need to redo Configure
2019 * to use. Not worth the trouble, IMO, at least until the below is used
2020 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2021 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2022 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2023
758a5d79
JH
2024#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2025# ifdef I_IEEFP
2026# include <ieeefp.h>
2027# endif
2028# ifdef I_FP
2029# include <fp.h>
2030# endif
2031# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2032# define Perl_fp_class() fpclassl(x)
2033# else
2034# define Perl_fp_class() fpclass(x)
2035# endif
2036# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2037# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2038# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2039# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2040# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2041# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2042# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2043# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2044# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2045# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2046# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2047# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2048# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2049# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2050# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2051#endif
2052
7114a2d2 2053#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2054# include <math.h>
2055# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2056# include <fp_class.h>
2057# endif
2058# define Perl_fp_class(x) fp_class(x)
2059# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2060# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2061# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2062# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2063# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2064# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2065# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2066# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2067# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2068# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2069# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2070# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2071# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2072# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2073# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2074#endif
2075
2076#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2077# include <math.h>
2078# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2079# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2080# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2081# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2082# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2083# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2084#endif
2085
2086#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2087# include <math.h>
2088# ifndef _cplusplus
2089# define Perl_fp_class(x) class(x)
2090# else
2091# define Perl_fp_class(x) _class(x)
2092# endif
2093# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2094# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2095# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2096# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2097# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2098# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2099# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2100# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2101# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2102# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2103# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2104# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2105# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2106# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2107# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2108#endif
2109
2110/* rumor has it that Win32 has _isnan() */
2111
2112#ifndef Perl_isnan
a3540c92 2113# ifdef HAS_ISNAN
758a5d79
JH
2114# define Perl_isnan(x) isnan((NV)x)
2115# else
2116# ifdef Perl_fp_class_nan
2117# define Perl_isnan(x) Perl_fp_class_nan(x)
2118# else
2119# ifdef HAS_UNORDERED
2120# define Perl_isnan(x) unordered((x), 0.0)
2121# else
2122# define Perl_isnan(x) ((x)!=(x))
2123# endif
2124# endif
2125# endif
2126#endif
2127
ca6c63e1
JH
2128#ifdef UNDER_CE
2129int isnan(double d);
2130#endif
2131
758a5d79
JH
2132#ifndef Perl_isinf
2133# ifdef HAS_ISINF
2134# define Perl_isinf(x) isinf((NV)x)
a3540c92 2135# else
758a5d79
JH
2136# ifdef Perl_fp_class_inf
2137# define Perl_isinf(x) Perl_fp_class_inf(x)
2138# else
2139# define Perl_isinf(x) ((x)==NV_INF)
2140# endif
2141# endif
2142#endif
2143
2144#ifndef Perl_isfinite
2145# ifdef HAS_FINITE
2146# define Perl_isfinite(x) finite((NV)x)
2147# else
2148# ifdef HAS_ISFINITE
2149# define Perl_isfinite(x) isfinite(x)
2150# else
2151# ifdef Perl_fp_class_finite
2152# define Perl_isfinite(x) Perl_fp_class_finite(x)
2153# else
2154# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2155# endif
2156# endif
a3540c92 2157# endif
65202027
DS
2158#endif
2159
a36244b7
JH
2160/* The default is to use Perl's own atof() implementation (in numeric.c).
2161 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2162 * it is however best to use the native implementation of atof.
2163 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2164 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2165 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2166 * you may need to be using a different function than atof! */
a36244b7
JH
2167
2168#ifndef USE_PERL_ATOF
2169# ifndef _UNICOS
2170# define USE_PERL_ATOF
2171# endif
2172#else
2173# if USE_PERL_ATOF == 0
2174# undef USE_PERL_ATOF
2175# endif
2176#endif
2177
2178#ifdef USE_PERL_ATOF
2179# define Perl_atof(s) Perl_my_atof(s)
2180# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2181#else
2182# define Perl_atof(s) (NV)atof(s)
2183# define Perl_atof2(s, n) ((n) = atof(s))
2184#endif
cf2093f6 2185
d460ef45 2186/* Previously these definitions used hardcoded figures.
760ac839
LW
2187 * It is hoped these formula are more portable, although
2188 * no data one way or another is presently known to me.
2189 * The "PERL_" names are used because these calculated constants
2190 * do not meet the ANSI requirements for LONG_MAX, etc., which
2191 * need to be constants acceptable to #if - kja
2192 * define PERL_LONG_MAX 2147483647L
2193 * define PERL_LONG_MIN (-LONG_MAX - 1)
2194 * define PERL ULONG_MAX 4294967295L
2195 */
2196
2197#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2198# include <limits.h>
760ac839 2199#endif
205f51d8
AS
2200/* Included values.h above if necessary; still including limits.h down here,
2201 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2202
99abf803
PP
2203/*
2204 * Try to figure out max and min values for the integral types. THE CORRECT
2205 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2206 * following hacks are used if neither limits.h or values.h provide them:
2207 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2208 * for types < int: (unsigned TYPE)~(unsigned)0
2209 * The argument to ~ must be unsigned so that later signed->unsigned
2210 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2211 * and it must not be smaller than int because ~ does integral promotion.
2212 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2213 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2214 * The latter is a hack which happens to work on some machines but
2215 * does *not* catch any random system, or things like integer types
2216 * with NaN if that is possible.
2217 *
2218 * All of the types are explicitly cast to prevent accidental loss of
2219 * numeric range, and in the hope that they will be less likely to confuse
2220 * over-eager optimizers.
2221 *
2222 */
27d4fb96 2223
99abf803
PP
2224#define PERL_UCHAR_MIN ((unsigned char)0)
2225
2226#ifdef UCHAR_MAX
2227# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2228#else
99abf803
PP
2229# ifdef MAXUCHAR
2230# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2231# else
99abf803 2232# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2233# endif
2234#endif
d460ef45 2235
99abf803
PP
2236/*
2237 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2238 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2239 * depending on local options. Until Configure detects this (or at least
2240 * detects whether the "signed" keyword is available) the CHAR ranges
2241 * will not be included. UCHAR functions normally.
2242 * - kja
2243 */
27d4fb96 2244
99abf803
PP
2245#define PERL_USHORT_MIN ((unsigned short)0)
2246
2247#ifdef USHORT_MAX
2248# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2249#else
99abf803
PP
2250# ifdef MAXUSHORT
2251# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2252# else
ef2f54b0
CB
2253# ifdef USHRT_MAX
2254# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2255# else
2256# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2257# endif
27d4fb96
PP
2258# endif
2259#endif
2260
27d4fb96 2261#ifdef SHORT_MAX
99abf803 2262# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2263#else
2264# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2265# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2266# else
ef2f54b0
CB
2267# ifdef SHRT_MAX
2268# define PERL_SHORT_MAX ((short)SHRT_MAX)
2269# else
2270# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2271# endif
27d4fb96
PP
2272# endif
2273#endif
2274
2275#ifdef SHORT_MIN
99abf803 2276# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2277#else
2278# ifdef MINSHORT
99abf803 2279# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2280# else
ef2f54b0
CB
2281# ifdef SHRT_MIN
2282# define PERL_SHORT_MIN ((short)SHRT_MIN)
2283# else
2284# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2285# endif
27d4fb96
PP
2286# endif
2287#endif
2288
99abf803
PP
2289#ifdef UINT_MAX
2290# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2291#else
99abf803
PP
2292# ifdef MAXUINT
2293# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2294# else
99abf803 2295# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2296# endif
2297#endif
2298
99abf803 2299#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2300
2301#ifdef INT_MAX
99abf803 2302# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2303#else
2304# ifdef MAXINT /* Often used in <values.h> */
99abf803 2305# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2306# else
99abf803 2307# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2308# endif
2309#endif
2310
2311#ifdef INT_MIN
99abf803 2312# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2313#else
2314# ifdef MININT
99abf803 2315# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2316# else
2317# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2318# endif
2319#endif
2320
99abf803
PP
2321#ifdef ULONG_MAX
2322# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2323#else
99abf803
PP
2324# ifdef MAXULONG
2325# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2326# else
99abf803 2327# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2328# endif
2329#endif
2330
99abf803 2331#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2332
760ac839 2333#ifdef LONG_MAX
99abf803 2334# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2335#else
2336# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2337# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2338# else
99abf803 2339# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2340# endif
2341#endif
2342
2343#ifdef LONG_MIN
99abf803 2344# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2345#else
2346# ifdef MINLONG
99abf803 2347# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2348# else
27d4fb96 2349# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2350# endif
2351#endif
2352
d7d93a81 2353#ifdef UV_IS_QUAD
99abf803 2354
99abf803 2355# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2356# define PERL_UQUAD_MIN ((UV)0)
99abf803 2357# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2358# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2359
79072805
LW
2360#endif
2361
22f7c9c9
JH
2362#ifdef MYMALLOC
2363# include "malloc_ctl.h"
2364#endif
2365
830247a4 2366struct RExC_state_t;
8e11feef 2367struct _reg_trie_data;
880b20b6 2368
ee0007ab 2369typedef MEM_SIZE STRLEN;
450a55e4 2370
598921a7
NC
2371#ifdef PERL_MAD
2372typedef struct token TOKEN;
2373typedef struct madprop MADPROP;
2374typedef struct nexttoken NEXTTOKE;
2375#endif
79072805
LW
2376typedef struct op OP;
2377typedef struct cop COP;
2378typedef struct unop UNOP;
2379typedef struct binop BINOP;
2380typedef struct listop LISTOP;
2381typedef struct logop LOGOP;
79072805
LW
2382typedef struct pmop PMOP;
2383typedef struct svop SVOP;
7934575e 2384typedef struct padop PADOP;
79072805 2385typedef struct pvop PVOP;
79072805
LW
2386typedef struct loop LOOP;
2387
cd1541b2
NC
2388typedef struct interpreter PerlInterpreter;
2389
d2b3f365
SS
2390/* Amdahl's <ksync.h> has struct sv */
2391/* SGI's <sys/sema.h> has struct sv */
2392#if defined(UTS) || defined(__sgi)
2393# define STRUCT_SV perl_sv
b8d3c5db
JH
2394#else
2395# define STRUCT_SV sv
2396#endif
2397typedef struct STRUCT_SV SV;
79072805
LW
2398typedef struct av AV;
2399typedef struct hv HV;
2400typedef struct cv CV;
288b8c02 2401typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2402typedef struct p5rx REGEXP;
79072805 2403typedef struct gp GP;
0c30d9ec 2404typedef struct gv GV;
8990e307 2405typedef struct io IO;
c09156bb 2406typedef struct context PERL_CONTEXT;
79072805
LW
2407typedef struct block BLOCK;
2408
2409typedef struct magic MAGIC;
2410typedef struct xpv XPV;
2411typedef struct xpviv XPVIV;
ff68c719 2412typedef struct xpvuv XPVUV;
79072805
LW
2413typedef struct xpvnv XPVNV;
2414typedef struct xpvmg XPVMG;
2415typedef struct xpvlv XPVLV;
2416typedef struct xpvav XPVAV;
2417typedef struct xpvhv XPVHV;
2418typedef struct xpvgv XPVGV;
2419typedef struct xpvcv XPVCV;
2420typedef struct xpvbm XPVBM;
2421typedef struct xpvfm XPVFM;
8990e307 2422typedef struct xpvio XPVIO;
79072805
LW
2423typedef struct mgvtbl MGVTBL;
2424typedef union any ANY;
5f7fde29
GS
2425typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2426typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2427typedef struct clone_params CLONE_PARAMS;
2428
378cc40b 2429#include "handy.h"
a0d0e21e 2430
6b8eaf93 2431#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2432# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2433# define USE_64_BIT_RAWIO /* implicit */
2434# endif
4564133c
JH
2435#endif
2436
6b8eaf93
JH
2437/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2438 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2439 * however, because operating systems like to do that themself. */
2440#ifndef FSEEKSIZE
2441# ifdef HAS_FSEEKO
2442# define FSEEKSIZE LSEEKSIZE
2443# else
2444# define FSEEKSIZE LONGSIZE
d460ef45 2445# endif
6b8eaf93
JH
2446#endif
2447
2448#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2449# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2450# define USE_64_BIT_STDIO /* implicit */
2451# endif
2452#endif
4564133c 2453
09458382 2454#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2455# ifdef HAS_OFF64_T
2456# undef Off_t
2457# define Off_t off64_t
2458# undef LSEEKSIZE
2459# define LSEEKSIZE 8
5ff3f7a4 2460# endif
d9b3e12d
JH
2461/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2462 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2463 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2464# if defined(USE_OPEN64)
2465# define open open64
5ff3f7a4 2466# endif
d9b3e12d
JH
2467# if defined(USE_LSEEK64)
2468# define lseek lseek64
6b8eaf93
JH
2469# else
2470# if defined(USE_LLSEEK)
2471# define lseek llseek
2472# endif
d9b3e12d
JH
2473# endif
2474# if defined(USE_STAT64)
2475# define stat stat64
2476# endif
2477# if defined(USE_FSTAT64)
2478# define fstat fstat64
2479# endif
2480# if defined(USE_LSTAT64)
2481# define lstat lstat64
2482# endif
2483# if defined(USE_FLOCK64)
2484# define flock flock64
2485# endif
2486# if defined(USE_LOCKF64)
2487# define lockf lockf64
2488# endif
2489# if defined(USE_FCNTL64)
2490# define fcntl fcntl64
2491# endif
2492# if defined(USE_TRUNCATE64)
2493# define truncate truncate64
2494# endif
2495# if defined(USE_FTRUNCATE64)
2496# define ftruncate ftruncate64
2497# endif
2498#endif
2499
2500#ifdef USE_64_BIT_STDIO
2501# ifdef HAS_FPOS64_T
2502# undef Fpos_t
2503# define Fpos_t fpos64_t
2504# endif
2505/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2506 * will trigger defines like the ones below. Some 64-bit environments,
2507 * however, do not. */
2508# if defined(USE_FOPEN64)
2509# define fopen fopen64
2510# endif
2511# if defined(USE_FSEEK64)
6b8eaf93 2512# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2513# endif
2514# if defined(USE_FTELL64)
6b8eaf93 2515# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2516# endif
2517# if defined(USE_FSETPOS64)
2518# define fsetpos fsetpos64
2519# endif
2520# if defined(USE_FGETPOS64)
2521# define fgetpos fgetpos64
2522# endif
2523# if defined(USE_TMPFILE64)
2524# define tmpfile tmpfile64
2525# endif
2526# if defined(USE_FREOPEN64)
2527# define freopen freopen64
5ff3f7a4
GS
2528# endif
2529#endif
2530
e37778c2 2531#if defined(OS2)
2c2d71f5
JH
2532# include "iperlsys.h"
2533#endif
2534
6f71a643 2535#if defined(__OPEN_VM)
19848b3f
JH
2536# include "vmesa/vmesaish.h"
2537# define ISHISH "vmesa"
6f71a643
JH
2538#endif
2539
748a9306 2540#ifdef DOSISH
19848b3f
JH
2541# if defined(OS2)
2542# include "os2ish.h"
2543# else
2544# include "dosish.h"
2545# endif
2546# define ISHISH "dos"
2547#endif
2548
2549#if defined(VMS)
748a9306 2550# include "vmsish.h"
96e176bf 2551# include "embed.h"
eb8433b7
NC
2552# ifndef PERL_MAD
2553# undef op_getmad
b3f24c00 2554# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2555# endif
19848b3f
JH
2556# define ISHISH "vms"
2557#endif
2558
2559#if defined(PLAN9)
2560# include "./plan9/plan9ish.h"
2561# define ISHISH "plan9"
2562#endif
2563
2564#if defined(MPE)
2565# include "mpeix/mpeixish.h"
2566# define ISHISH "mpeix"
2567#endif
2568
2569#if defined(__VOS__)
196918b0
PG
2570# ifdef __GNUC__
2571# include "./vos/vosish.h"
2572# else
2573# include "vos/vosish.h"
2574# endif
19848b3f
JH
2575# define ISHISH "vos"
2576#endif
2577
2578#if defined(EPOC)
2579# include "epocish.h"
2580# define ISHISH "epoc"
2581#endif
2582
9969cdde 2583#ifdef __SYMBIAN32__
27da23d5
JH
2584# include "symbian/symbianish.h"
2585# include "embed.h"
eb8433b7
NC
2586# ifndef PERL_MAD
2587# undef op_getmad
b3f24c00 2588# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2589# endif
27da23d5
JH
2590# define ISHISH "symbian"
2591#endif
2592
19848b3f 2593
df00ff3b
IW
2594#if defined(__HAIKU__)
2595# include "haiku/haikuish.h"
2596# define ISHISH "haiku"
2597#elif defined(__BEOS__)
efca5cc6
JH
2598# include "beos/beosish.h"
2599# define ISHISH "beos"
2600#endif
2601
19848b3f
JH
2602#ifndef ISHISH
2603# include "unixish.h"
2604# define ISHISH "unix"
13b6e58c
JH
2605#endif
2606
2946a158
JH
2607/* NSIG logic from Configure --> */
2608/* Strange style to avoid deeply-nested #if/#else/#endif */
2609#ifndef NSIG
2610# ifdef _NSIG
2611# define NSIG (_NSIG)
2612# endif
2613#endif
2614
2615#ifndef NSIG
2616# ifdef SIGMAX
2617# define NSIG (SIGMAX+1)
2618# endif
2619#endif
2620
2621#ifndef NSIG
2622# ifdef SIG_MAX
2623# define NSIG (SIG_MAX+1)
2624# endif
2625#endif
2626
2627#ifndef NSIG
2628# ifdef _SIG_MAX
2629# define NSIG (_SIG_MAX+1)
2630# endif
2631#endif
2632
2633#ifndef NSIG
2634# ifdef MAXSIG
2635# define NSIG (MAXSIG+1)
2636# endif
2637#endif
2638
2639#ifndef NSIG
2640# ifdef MAX_SIG
2641# define NSIG (MAX_SIG+1)
2642# endif
2643#endif
2644
2645#ifndef NSIG
2646# ifdef SIGARRAYSIZE
2647# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2648# endif
2649#endif
2650
2651#ifndef NSIG
2652# ifdef _sys_nsig
2653# define NSIG (_sys_nsig) /* Solaris 2.5 */
2654# endif
2655#endif
2656
2657/* Default to some arbitrary number that's big enough to get most
2658 of the common signals.
2659*/
2660#ifndef NSIG
2661# define NSIG 50
2662#endif
2663/* <-- NSIG logic from Configure */
2664
13b6e58c
JH
2665#ifndef NO_ENVIRON_ARRAY
2666# define USE_ENVIRON_ARRAY
2667#endif
32f822de 2668
c77b533b
JH
2669/*
2670 * initialise to avoid floating-point exceptions from overflow, etc
2671 */
2672#ifndef PERL_FPU_INIT
2673# ifdef HAS_FPSETMASK
2674# if HAS_FLOATINGPOINT_H
2675# include <floatingpoint.h>
2676# endif
ad3a8c67
NC
2677/* Some operating systems have this as a macro, which in turn expands to a comma
2678 expression, and the last sub-expression is something that gets calculated,
2679 and then they have the gall to warn that a value computed is not used. Hence
2680 cast to void. */
2681# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2682# else
2f42fcb0 2683# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2684# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2685# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2686# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2687# else
2688# define PERL_FPU_INIT
2f42fcb0 2689
7014c407 2690# endif
c77b533b
JH
2691# endif
2692#endif
b35112e7
CS
2693#ifndef PERL_FPU_PRE_EXEC
2694# define PERL_FPU_PRE_EXEC {
2695# define PERL_FPU_POST_EXEC }
2696#endif
c77b533b 2697
cbec8ebe
DM
2698#ifndef PERL_SYS_INIT3_BODY
2699# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2700#endif
2701
eb533572
DM
2702/*
2703=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2704Provides system-specific tune up of the C runtime environment necessary to
2705run Perl interpreters. This should be called only once, before creating
2706any Perl interpreters.
2707
2708=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2709Provides system-specific tune up of the C runtime environment necessary to
2710run Perl interpreters. This should be called only once, before creating
2711any Perl interpreters.
2712
2713=for apidoc Am|void|PERL_SYS_TERM|
2714Provides system-specific clean up of the C runtime environment after
2715running Perl interpreters. This should be called only once, after
2716freeing any remaining Perl interpreters.
2717
2718=cut
2719 */
2720
cbec8ebe
DM
2721#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2722#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2723#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2724
be708cc0
JH
2725#ifndef PERL_WRITE_MSG_TO_CONSOLE
2726# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2727#endif
2728
0f31cffe
GS
2729#ifndef MAXPATHLEN
2730# ifdef PATH_MAX
b990c8b2
JH
2731# ifdef _POSIX_PATH_MAX
2732# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2733/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2734 * included the null byte or not. Later amendments of POSIX,
2735 * XPG4, the Austin Group, and the Single UNIX Specification
2736 * all explicitly include the null byte in the PATH_MAX.
2737 * Ditto for _POSIX_PATH_MAX. */
2738# define MAXPATHLEN PATH_MAX
b990c8b2 2739# else
09448d78 2740# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2741# endif
2742# else
2743# define MAXPATHLEN (PATH_MAX+1)
2744# endif
0f31cffe 2745# else
b990c8b2 2746# ifdef _POSIX_PATH_MAX
09448d78 2747# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2748# else
2749# define MAXPATHLEN 1024 /* Err on the large side. */
2750# endif
0f31cffe
GS
2751# endif
2752#endif
2753
c80263a8
SH
2754/* In case Configure was not used (we are using a "canned config"
2755 * such as Win32, or a cross-compilation setup, for example) try going
2756 * by the gcc major and minor versions. One useful URL is
2757 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2758 * but contrary to this information warn_unused_result seems
2759 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2760 * Also, when building extensions with an installed perl, this allows
2761 * the user to upgrade gcc and get the right attributes, rather than
2762 * relying on the list generated at Configure time. --AD
c80263a8
SH
2763 * Set these up now otherwise we get confused when some of the <*thread.h>
2764 * includes below indirectly pull in <perlio.h> (which needs to know if we
2765 * have HASATTRIBUTE_FORMAT).
2766 */
2767
4d7c7898 2768#ifndef PERL_MICRO
fc2007d4 2769#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2770# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2771# define HASATTRIBUTE_DEPRECATED
2772# endif
c80263a8
SH
2773# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2774# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2775# if defined __MINGW32__
2776# define PRINTF_FORMAT_NULL_OK
2777# endif
c80263a8
SH
2778# endif
2779# if __GNUC__ >= 3 /* 3.0 -> */
2780# define HASATTRIBUTE_MALLOC
2781# endif
2782# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2783# define HASATTRIBUTE_NONNULL
2784# endif
2785# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2786# define HASATTRIBUTE_NORETURN
2787# endif
2788# if __GNUC__ >= 3 /* gcc 3.0 -> */
2789# define HASATTRIBUTE_PURE
2790# endif
42bf5550 2791# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2792# define HASATTRIBUTE_UNUSED
2793# endif
d324fe49
AD
2794# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2795# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2796# endif
c80263a8
SH
2797# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2798# define HASATTRIBUTE_WARN_UNUSED_RESULT
2799# endif
2800#endif
00f254e2 2801#endif /* #ifndef PERL_MICRO */
c80263a8 2802
3db8f154 2803/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2804 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2805 * this results in many functions being undeclared which bothers C++
2806 * May make sense to have threads after "*ish.h" anyway
2807 */
2808
3db8f154 2809#if defined(USE_ITHREADS)
2986a63f
JH
2810# ifdef NETWARE
2811# include <nw5thread.h>
2812# else
32f822de
GS
2813# ifdef FAKE_THREADS
2814# include "fakethr.h"
2815# else
2816# ifdef WIN32
2817# include <win32thread.h>
2818# else
dd96f567
IZ
2819# ifdef OS2
2820# include "os2thread.h"
2821# else
7f3d1cf1 2822# ifdef I_MACH_CTHREADS
bdd66968 2823# include <mach/cthreads.h>
8f1f23e8 2824# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2825# define MUTEX_INIT_CALLS_MALLOC
2826# endif
7f3d1cf1
BH
2827typedef cthread_t perl_os_thread;
2828typedef mutex_t perl_mutex;
2829typedef condition_t perl_cond;
2830typedef void * perl_key;
2831# else /* Posix threads */
1f5ae88c
JH
2832# ifdef I_PTHREAD
2833# include <pthread.h>
2834# endif
7f3d1cf1
BH
2835typedef pthread_t perl_os_thread;
2836typedef pthread_mutex_t perl_mutex;
2837typedef pthread_cond_t perl_cond;
2838typedef pthread_key_t perl_key;
2839# endif /* I_MACH_CTHREADS */
dd96f567 2840# endif /* OS2 */
32f822de
GS
2841# endif /* WIN32 */
2842# endif /* FAKE_THREADS */
2986a63f 2843#endif /* NETWARE */
3db8f154 2844#endif /* USE_ITHREADS */
c5be433b 2845
66a93824 2846#if defined(WIN32)
1feb2720 2847# include "win32.h"
c5be433b
GS
2848#endif
2849
2986a63f
JH
2850#ifdef NETWARE
2851# include "netware.h"
2852#endif
2853
e5218da5 2854#define STATUS_UNIX PL_statusvalue
68dc0745 2855#ifdef VMS
6b88bc9c 2856# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2857/*
2858 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2859 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2860 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2861 * be updated also.
2862 */
2863# include <stsdef.h>
2864# include <ssdef.h>
2865/* Presume this because if VMS changes it, it will require a new
2866 * set of APIs for waiting on children for binary compatibility.
2867 */
2868# define child_offset_bits (8)
2869# ifndef C_FAC_POSIX
2870# define C_FAC_POSIX 0x35A000
2871# endif
2872
2873/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2874 * platform from the existing UNIX or Native status values.
2875 */
2876
37038d91 2877# define STATUS_EXIT \
7a7fd8e0
JM
2878 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2879 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2880
7a7fd8e0 2881
fb38d079
JM
2882/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2883 * exit code and shifts the UNIX value over the correct number of bits to
2884 * be a child status. Usually the number of bits is 8, but that could be
2885 * platform dependent. The NATIVE status code is presumed to have either
2886 * from a child process.
7a7fd8e0
JM
2887 */
2888
fb38d079
JM
2889/* This is complicated. The child processes return a true native VMS
2890 status which must be saved. But there is an assumption in Perl that
2891 the UNIX child status has some relationship to errno values, so
00f254e2 2892 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2893 In order to get the string translation correct, for the error, errno
2894 must be EVMSERR, but that generates a different text message
2895 than what the test programs are expecting. So an errno value must
2896 be derived from the native status value when an error occurs.
2897 That will hide the true native status message. With this version of
2898 perl, the true native child status can always be retrieved so that
2899 is not a problem. But in this case, Pl_statusvalue and errno may
2900 have different values in them.
2901 */
7a7fd8e0 2902
fb38d079 2903# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2904 STMT_START { \
2fbb330f
JM
2905 I32 evalue = (I32)n; \
2906 if (evalue == EVMSERR) { \
2907 PL_statusvalue_vms = vaxc$errno; \
2908 PL_statusvalue = evalue; \
7a7fd8e0 2909 } else { \
2fbb330f 2910 PL_statusvalue_vms = evalue; \
fb38d079 2911 if (evalue == -1) { \
3280af22 2912 PL_statusvalue = -1; \
7a7fd8e0
JM
2913 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2914 } else \
fb38d079 2915 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2916 set_vaxc_errno(evalue); \
fb38d079
JM
2917 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2918 set_errno(EVMSERR); \
2919 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2920 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2921 } \
68dc0745 2922 } STMT_END
7a7fd8e0 2923
68dc0745 2924# ifdef VMSISH_STATUS
e5218da5 2925# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2926# else
e5218da5 2927# define STATUS_CURRENT STATUS_UNIX
68dc0745 2928# endif
7a7fd8e0
JM
2929
2930 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2931 * the NATIVE status to an equivalent value. Can not be used to translate
2932 * exit code values as exit code values are not guaranteed to have any
2933 * relationship at all to errno values.
2934 * This is used when Perl is forcing errno to have a specific value.
2935 */
e5218da5 2936# define STATUS_UNIX_SET(n) \
68dc0745 2937 STMT_START { \
7a7fd8e0 2938 I32 evalue = (I32)n; \
0968cdad 2939 PL_statusvalue = evalue; \
3280af22 2940 if (PL_statusvalue != -1) { \
0968cdad
JM
2941 if (PL_statusvalue != EVMSERR) { \
2942 PL_statusvalue &= 0xFFFF; \
2943 if (MY_POSIX_EXIT) \
2944 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2945 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2946 } \
2947 else { \
2948 PL_statusvalue_vms = vaxc$errno; \
2949 } \
68dc0745 2950 } \
0968cdad
JM
2951 else PL_statusvalue_vms = SS$_ABORT; \
2952 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2953 } STMT_END
2954
2955 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2956 * the NATIVE error status based on it.
2957 *
2958 * When in the default mode to comply with the Perl VMS documentation,
2959 * 0 is a success and any other code sets the NATIVE status to a failure
2960 * code of SS$_ABORT.
fb38d079
JM
2961 *
2962 * In the new POSIX EXIT mode, native status will be set so that the
2963 * actual exit code will can be retrieved by the calling program or
2964 * shell.
2965 *
2966 * If the exit code is not clearly a UNIX parent or child exit status,
2967 * it will be passed through as a VMS status.
7a7fd8e0
JM
2968 */
2969
fb38d079 2970# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2971 STMT_START { \
2972 I32 evalue = (I32)n; \
2973 PL_statusvalue = evalue; \
e08e1e1d
JM
2974 if (MY_POSIX_EXIT) { \
2975 if (evalue <= 0xFF00) { \
2976 if (evalue > 0xFF) \
2977 evalue = (evalue >> child_offset_bits) & 0xFF; \
2978 PL_statusvalue_vms = \
2979 (C_FAC_POSIX | (evalue << 3 ) | \
2980 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2981 } else /* forgive them Perl, for they have sinned */ \
2982 PL_statusvalue_vms = evalue; \
2983 } else { \
2984 if (evalue == 0) \
2985 PL_statusvalue_vms = SS$_NORMAL; \
2986 else if (evalue <= 0xFF00) \
2987 PL_statusvalue_vms = SS$_ABORT; \
2988 else { /* forgive them Perl, for they have sinned */ \
2989 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2990 else PL_statusvalue_vms = vaxc$errno; \
2991 /* And obviously used a VMS status value instead of UNIX */ \
2992 PL_statusvalue = EVMSERR; \
2993 } \
2994 set_vaxc_errno(PL_statusvalue_vms); \
2995 } \
68dc0745 2996 } STMT_END
fb38d079 2997
e08e1e1d 2998
6ac6a52b
JM
2999 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3000 * and sets the NATIVE error status based on it. This special case
3001 * is needed to maintain compatibility with past VMS behavior.
3002 *
3003 * In the default mode on VMS, this number is passed through as
3004 * both the NATIVE and UNIX status. Which makes it different
3005 * that the STATUS_UNIX_EXIT_SET.
3006 *
3007 * In the new POSIX EXIT mode, native status will be set so that the
3008 * actual exit code will can be retrieved by the calling program or
3009 * shell.
3010 *
1a3aec58
JM
3011 * A POSIX exit code is from 0 to 255. If the exit code is higher
3012 * than this, it needs to be assumed that it is a VMS exit code and
3013 * passed through.
6ac6a52b
JM
3014 */
3015
3016# define STATUS_EXIT_SET(n) \
3017 STMT_START { \
3018 I32 evalue = (I32)n; \
3019 PL_statusvalue = evalue; \
3020 if (MY_POSIX_EXIT) \
1a3aec58
JM
3021 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3022 PL_statusvalue_vms = \
3023 (C_FAC_POSIX | (evalue << 3 ) | \
3024 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3025 else \
3026 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3027 set_vaxc_errno(PL_statusvalue_vms); \
3028 } STMT_END
3029
fb38d079
JM
3030
3031 /* This macro forces a success status */
7a7fd8e0
JM
3032# define STATUS_ALL_SUCCESS \
3033 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3034
3035 /* This macro forces a failure status */
7a7fd8e0
JM
3036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3037 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3038 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3039
68dc0745 3040#else
e5218da5 3041# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3042# if defined(WCOREDUMP)
37038d91 3043# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3044 STMT_START { \
3045 PL_statusvalue_posix = (n); \
3046 if (PL_statusvalue_posix == -1) \
3047 PL_statusvalue = -1; \
3048 else { \
3049 PL_statusvalue = \
3050 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3051 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3052 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3053 } \
3054 } STMT_END
3055# elif defined(WIFEXITED)
37038d91 3056# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3057 STMT_START { \
3058 PL_statusvalue_posix = (n); \
3059 if (PL_statusvalue_posix == -1) \
3060 PL_statusvalue = -1; \
3061 else { \
3062 PL_statusvalue = \
3063 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3064 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3065 } \
3066 } STMT_END
3067# else
37038d91 3068# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3069 STMT_START { \
3070 PL_statusvalue_posix = (n); \
3071 if (PL_statusvalue_posix == -1) \
3072 PL_statusvalue = -1; \
3073 else { \
3074 PL_statusvalue = \
3075 PL_statusvalue_posix & 0xFFFF; \
3076 } \
3077 } STMT_END
3078# endif
3079# define STATUS_UNIX_SET(n) \
68dc0745 3080 STMT_START { \
3280af22
NIS
3081 PL_statusvalue = (n); \
3082 if (PL_statusvalue != -1) \
3083 PL_statusvalue &= 0xFFFF; \
68dc0745 3084 } STMT_END
7a7fd8e0 3085# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3086# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3087# define STATUS_CURRENT STATUS_UNIX
37038d91 3088# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3089# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3090# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3091#endif
3092
cc3604b1
GS
3093/* flags in PL_exit_flags for nature of exit() */
3094#define PERL_EXIT_EXPECTED 0x01
31d77e54 3095#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3096
0b94c7bb 3097#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
3098# define MEMBER_TO_FPTR(name) name
3099#endif
3100
b79b76e0 3101#ifndef PERL_CORE
a7cb1f99 3102/* format to use for version numbers in file/directory names */
273cf8d1 3103/* XXX move to Configure? */
b79b76e0
NC
3104/* This was only ever used for the current version, and that can be done at
3105 compile time, as PERL_FS_VERSION, so should we just delete it? */
3106# ifndef PERL_FS_VER_FMT
3107# define PERL_FS_VER_FMT "%d.%d.%d"
3108# endif
3109#endif
3110
3111#ifndef PERL_FS_VERSION
3112# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3113#endif
3114
45bc9206 3115/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3116 * performance issue, so we allow people to disable it. Also, if
3117 * we are using stdio, there are broken implementations of fflush(NULL)
3118 * out there, Solaris being the most prominent.
45bc9206
GS
3119 */
3120#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3121# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3122# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3123# else
3124# ifdef FFLUSH_ALL
3125# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3126# else
c5be433b 3127# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3128# endif
66fe083f 3129# endif
45bc9206
GS
3130#endif
3131
7766f137
GS
3132#ifndef PERL_WAIT_FOR_CHILDREN
3133# define PERL_WAIT_FOR_CHILDREN NOOP
3134#endif
3135
ba869deb 3136/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3137#ifndef PERL_SET_INTERP
3138# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3139#endif
3140
3141#ifndef PERL_GET_INTERP
3142# define PERL_GET_INTERP (PL_curinterp)
3143#endif
3144
54aff467 3145#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3146# ifdef MULTIPLICITY
ba869deb 3147# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3148# endif
ba869deb
GS
3149# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3150#endif
3151
00f254e2 3152/*
8896765a 3153 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3154 All that is required is that the perl source does not
00f254e2
KW
3155 use "%-p" or "%-<number>p" or "%<number>p" formats.
3156 These formats will still work in perl code.
8896765a
RB
3157 See comments in sv.c for futher details.
3158
8896765a 3159 Robin Barker 2005-07-14
f46d31f2 3160
00f254e2 3161 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3162*/
8896765a
RB
3163
3164#ifndef SVf_
63ce7bf0 3165# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3166#endif
3167
8896765a 3168#ifndef SVf
104abab4 3169# define SVf "-p"
d2560b70
RB
3170#endif
3171
014ead4b 3172#ifndef SVf32
8896765a 3173# define SVf32 SVf_(32)
014ead4b
RB
3174#endif
3175
3176#ifndef SVf256
8896765a
RB
3177# define SVf256 SVf_(256)
3178#endif
3179
be2597df
MHM
3180#define SVfARG(p) ((void*)(p))
3181
f46d31f2 3182#ifdef PERL_CORE
00f254e2 3183/* not used; but needed for backward compatibilty with XS code? - RMB */
f46d31f2
RB
3184# undef VDf
3185#else
3186# ifndef VDf
8896765a
RB
3187# define VDf "vd"
3188# endif
014ead4b 3189#endif
170cd9e9
NC
3190
3191#ifdef PERL_CORE
00f254e2 3192/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB
3193# undef UVf
3194#else
170cd9e9
NC
3195# ifndef UVf
3196# define UVf UVuf
3197# endif
d2560b70
RB
3198#endif
3199
fcdf39cf
RGS
3200#ifdef HASATTRIBUTE_DEPRECATED
3201# define __attribute__deprecated__ __attribute__((deprecated))
3202#endif
0dbb1585
AL
3203#ifdef HASATTRIBUTE_FORMAT
3204# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3205#endif
3206#ifdef HASATTRIBUTE_MALLOC
77785eea 3207# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3208#endif
0dbb1585 3209#ifdef HASATTRIBUTE_NONNULL
abb2c242 3210# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3211#endif
0dbb1585 3212#ifdef HASATTRIBUTE_NORETURN
abb2c242 3213# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3214#endif
0dbb1585 3215#ifdef HASATTRIBUTE_PURE
abb2c242 3216# define __attribute__pure__ __attribute__((pure))
f22be1b8 3217#endif
0dbb1585
AL
3218#ifdef HASATTRIBUTE_UNUSED
3219# define __attribute__unused__ __attribute__((unused))
3220#endif
3221#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3222# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3223#endif
3224
0dbb1585 3225/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3226#ifndef __attribute__deprecated__
3227# define __attribute__deprecated__
3228#endif
0dbb1585
AL
3229#ifndef __attribute__format__
3230# define __attribute__format__(x,y,z)
3231#endif
f22be1b8 3232#ifndef __attribute__malloc__
abb2c242 3233# define __attribute__malloc__
f22be1b8
JH
3234#endif
3235#ifndef __attribute__nonnull__
abb2c242 3236# define __attribute__nonnull__(a)
f22be1b8
JH
3237#endif
3238#ifndef __attribute__noreturn__
abb2c242 3239# define __attribute__noreturn__
f22be1b8
JH
3240#endif
3241#ifndef __attribute__pure__
abb2c242 3242# define __attribute__pure__
f22be1b8 3243#endif
0dbb1585
AL
3244#ifndef __attribute__unused__
3245# define __attribute__unused__
3246#endif
f22be1b8 3247#ifndef __attribute__warn_unused_result__
abb2c242
JH
3248# define __attribute__warn_unused_result__
3249#endif
3250
0dbb1585
AL
3251/* For functions that are marked as __attribute__noreturn__, it's not
3252 appropriate to call return. In either case, include the lint directive.
3253 */
3254#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3255# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3256#else
b37c2d43 3257# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3258#endif
3259
cdfeb707
RB
3260/* Some OS warn on NULL format to printf */
3261#ifdef PRINTF_FORMAT_NULL_OK
3262# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3263#else
00f254e2 3264# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3265#endif
3266
635aebb7 3267#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3268# define EXPECT(expr,val) __builtin_expect(expr,val)
3269#else
3270# define EXPECT(expr,val) (expr)
3271#endif
3272#define LIKELY(cond) EXPECT(cond,1)
3273#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3274#ifdef HAS_BUILTIN_CHOOSE_EXPR
3275/* placeholder */
3276#endif
b37c2d43 3277
3fc1aec6
PP
3278/* Some unistd.h's give a prototype for pause() even though
3279 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3280 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3281*/
3282#ifdef HAS_PAUSE
3283#define Pause pause
3284#else
3285#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3286#endif
3287
3288#ifndef IOCPARM_LEN
3289# ifdef IOCPARM_MASK
61f1c44b 3290 /* on BSDish systems we're safe */
748a9306
LW
3291# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3292# else
61f1c44b 3293# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3294 /* on Linux systems we're safe; except when we're not [perl #38223] */
3295# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3296# else
748a9306 3297 /* otherwise guess at what's safe */
61f1c44b
JVD
3298# define IOCPARM_LEN(x) 256
3299# endif
748a9306 3300# endif
a0d0e21e
LW
3301#endif
3302
1761cee5 3303#if defined(__CYGWIN__)
521e0776
GS
3304/* USEMYBINMODE
3305 * This symbol, if defined, indicates that the program should
16fe6d59 3306 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3307 * that a file is in "binary" mode -- that is, that no translation
3308 * of bytes occurs on read or write operations.
3309 */
36894f0b 3310# define USEMYBINMODE /**/
77a40698 3311# include <io.h> /* for setmode() prototype */
16fe6d59 3312# define my_binmode(fp, iotype, mode) \
77a40698 3313 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3314#endif
3315
88d10794
JH
3316#ifdef __CYGWIN__
3317void init_os_extras(void);
3318#endif
3319
cea2e8a9
GS
3320#ifdef UNION_ANY_DEFINITION
3321UNION_ANY_DEFINITION;
3322#else
3323union any {
3324 void* any_ptr;
3325 I32 any_i32;
3326 IV any_iv;
c6bf6a65 3327 UV any_uv;
cea2e8a9 3328 long any_long;
9febdf04 3329 bool any_bool;
c76ac1ee 3330 void (*any_dptr) (void*);
acfe0abc 3331 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3332};
3333#endif
3334
acfe0abc 3335typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3336
3337#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3338#define FILTER_DATA(idx) \
3339 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3340#define FILTER_ISREADER(idx) \
3341 (PL_parser && PL_parser->rsfp_filters \
3342 && idx >= AvFILLp(PL_parser->rsfp_filters))
3343#define PERL_FILTER_EXISTS(i) \
3344 (PL_parser && PL_parser->rsfp_filters \
3345 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3346
c5078cac
JH
3347#if defined(_AIX) && !defined(_AIX43)
3348#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3349/* We cannot include <crypt.h> to get the struct crypt_data
3350 * because of setkey prototype problems when threading */
3351typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3352 /* From OSF, Not needed in AIX
3353 char C[28], D[28];
3354 */
3355 char E[48];
3356 char KS[16][48];
3357 char block[66];
3358 char iobuf[16];
3359} CRYPTD;
3360#endif /* threading */
3361#endif /* AIX */
3362
e37778c2 3363#if !defined(OS2)
2c2d71f5
JH
3364# include "iperlsys.h"
3365#endif
504f80c1 3366
9c12f1e5 3367#ifdef __LIBCATAMOUNT__
00f254e2 3368#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3369#undef HAS_GROUP
3370#define FAKE_BIT_BUCKET
3371#endif
3372
d10dc2ae
JH
3373/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3374 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3375 * defined by Configure, despite their names being similar to the
3376 * other defines like USE_ITHREADS. Configure in fact knows nothing
3377 * about the randomised hashes. Therefore to enable/disable the hash
3378 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3379#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3380# define USE_HASH_SEED
504f80c1
JH
3381#endif
3382
598921a7
NC
3383/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3384 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3385 * it's not really needed.
3386 */
3387#if defined(WIN32)
3388# define YYTOKENTYPE
3389#endif
3390#include "perly.h"
3391
3392#ifdef PERL_MAD
3393struct nexttoken {
3394 YYSTYPE next_val; /* value of next token, if any */
3395 I32 next_type; /* type of next token */
3396 MADPROP *next_mad; /* everything else about that token */
3397};
3398#endif
3399
654eccd5
JD
3400/* macros to define bit-fields in structs. */
3401#ifndef PERL_BITFIELD8
3402# define PERL_BITFIELD8 unsigned
3403#endif
3404#ifndef PERL_BITFIELD16
3405# define PERL_BITFIELD16 unsigned
3406#endif
3407#ifndef PERL_BITFIELD32
3408# define PERL_BITFIELD32 unsigned
3409#endif
3410
79072805 3411#include "sv.h"
288b8c02 3412#include "regexp.h"
378cc40b 3413#include "util.h"
8d063cd8 3414#include "form.h"
79072805 3415#include "gv.h"
dd2155a4 3416#include "pad.h"
79072805 3417#include "cv.h"
abdd5c84 3418#include "opnames.h"
79072805 3419#include "op.h"
b3ca2e83 3420#include "hv.h"
79072805
LW
3421#include "cop.h"
3422#include "av.h"
79072805
LW
3423#include "mg.h"
3424#include "scope.h"
4438c4b7 3425#include "warnings.h"
a0ed51b3 3426#include "utf8.h"
8d063cd8 3427
0d7d409d
DM
3428/* these would be in doio.h if there was such a file */
3429#define my_stat() my_stat_flags(SV_GMAGIC)
3430#define my_lstat() my_lstat_flags(SV_GMAGIC)
3431
20f4945e 3432/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3433#undef _XPV_HEAD
3434#undef _XPVMG_HEAD
3435#undef _XPVCV_COMMON
7fae4e64
GS
3436
3437typedef struct _sublex_info SUBLEXINFO;
3438struct _sublex_info {
651b5b28
NC
3439 U8 super_state; /* lexer state to save */
3440 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3441 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3442 char *super_bufptr; /* PL_parser->bufptr that was */
3443 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS
3444};
3445
199e78b7
DM
3446#include "parser.h"
3447
455ece5e 3448typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3449
2c2d71f5 3450struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3451struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3452
5f7fde29
GS
3453struct ptr_tbl_ent {
3454 struct ptr_tbl_ent* next;
53c1dcc0 3455 const void* oldval;
5f7fde29 3456 void* newval;
d18c6117
GS
3457};
3458
5f7fde29
GS
3459struct ptr_tbl {
3460 struct ptr_tbl_ent** tbl_ary;
3461 UV tbl_max;
3462 UV tbl_items;
db93c0c4
NC
3463 struct ptr_tbl_arena *tbl_arena;
3464 struct ptr_tbl_ent *tbl_arena_next;
3465 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3466};
3467
450a55e4 3468#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3469# define I286
3470#endif
3471
fe14fcc3
LW
3472#if defined(htonl) && !defined(HAS_HTONL)
3473#define HAS_HTONL
ae986130 3474#endif
fe14fcc3
LW
3475#if defined(htons) && !defined(HAS_HTONS)
3476#define HAS_HTONS
ae986130 3477#endif
fe14fcc3
LW
3478#if defined(ntohl) && !defined(HAS_NTOHL)
3479#define HAS_NTOHL
ae986130 3480#endif
fe14fcc3
LW
3481#if defined(ntohs) && !defined(HAS_NTOHS)
3482#define HAS_NTOHS
ae986130 3483#endif
fe14fcc3 3484#ifndef HAS_HTONL
d9d8d8de 3485#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3486#define HAS_HTONS
3487#define HAS_HTONL
3488#define HAS_NTOHS
3489#define HAS_NTOHL
a687059c
LW
3490#define MYSWAP
3491#define htons my_swap
3492#define htonl my_htonl
3493#define ntohs my_swap
3494#define ntohl my_ntohl
3495#endif
3496#else
d9d8d8de 3497#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3498#undef HAS_HTONS
3499#undef HAS_HTONL
3500#undef HAS_NTOHS
3501#undef HAS_NTOHL
a687059c
LW
3502#endif
3503#endif
3504
988174c1
LW
3505/*
3506 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3507 * -DWS
3508 */
3509#if BYTEORDER != 0x1234
3510# define HAS_VTOHL
3511# define HAS_VTOHS
3512# define HAS_HTOVL
3513# define HAS_HTOVS
c67712b2 3514# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3515# define vtohl(x) ((((x)&0xFF)<<24) \
3516 +(((x)>>24)&0xFF) \
3517 +(((x)&0x0000FF00)<<8) \
3518 +(((x)&0x00FF0000)>>8) )
3519# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3520# define htovl(x) vtohl(x)
3521# define htovs(x) vtohs(x)
3522# endif
3523 /* otherwise default to functions in util.c */
2a8c3029 3524#ifndef htovs
c623ac67
GS
3525short htovs(short n);
3526short vtohs(short n);
3527long htovl(long n);
3528long vtohl(long n);
988174c1 3529#endif
2a8c3029 3530#endif
988174c1 3531
3bb7c1b4
JH
3532/* *MAX Plus 1. A floating point value.
3533 Hopefully expressed in a way that dodgy floating point can't mess up.
3534 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3535 is added to it
3536 May find that some broken compiler will want the value cast to I32.
3537 [after the shift, as signed >> may not be as secure as unsigned >>]
3538*/
3539#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3540#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3541/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3542 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3543 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3544*/
3545#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3546
3bb7c1b4
JH
3547#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3548#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3549#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3550
3551/* This may look like unnecessary jumping through hoops, but converting
3552 out of range floating point values to integers *is* undefined behaviour,
3553 and it is starting to bite.
3554*/
3555#ifndef CAST_INLINE
65202027 3556#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3557#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3558#define I_V(what) (cast_iv((NV)(what)))
3559#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3560#else
3561#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3562 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3563 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3564#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3565 : ((n) < U32_MAX_P1 ? (U32) (n) \
3566 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3567#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3568 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3569 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3570#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3571 : ((n) < UV_MAX_P1 ? (UV) (n) \
3572 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3573#endif
3574
3575#define U_S(what) ((U16)U_32(what))
3576#define U_I(what) ((unsigned int)U_32(what))
3577#define U_L(what) U_32(what)
ed6116ce 3578
ed140128
AD
3579#ifdef HAS_SIGNBIT
3580# define Perl_signbit signbit
3581#endif
3582
2d4389e4
JH
3583/* These do not care about the fractional part, only about the range. */
3584#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3585#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3586
25da4f38
IZ
3587/* Used with UV/IV arguments: */
3588 /* XXXX: need to speed it up */
3589#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3590#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3591
352d5a3a
LW
3592#ifndef MAXSYSFD
3593# define MAXSYSFD 2
3594#endif
ee0007ab 3595
79072805 3596#ifndef __cplusplus
27da23d5 3597#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3598Uid_t getuid (void);
3599Uid_t geteuid (void);
3600Gid_t getgid (void);
3601Gid_t getegid (void);
79072805 3602#endif
e1caacb4 3603#endif
8d063cd8 3604
0c30d9ec 3605#ifndef Perl_debug_log
bf49b057
GS
3606# define Perl_debug_log PerlIO_stderr()
3607#endif
3608
3609#ifndef Perl_error_log
3610# define Perl_error_log (PL_stderrgv \
6b78add2 3611 && isGV(PL_stderrgv) \
01bb7c6d 3612 && GvIOp(PL_stderrgv) \
42de951c 3613 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3614 ? IoOFP(GvIOp(PL_stderrgv)) \
3615 : PerlIO_stderr())
0c30d9ec 3616#endif
3967c732 3617
aea4f609
DM
3618
3619#define DEBUG_p_FLAG 0x00000001 /* 1 */
3620#define DEBUG_s_FLAG 0x00000002 /* 2 */
3621#define DEBUG_l_FLAG 0x00000004 /* 4 */
3622#define DEBUG_t_FLAG 0x00000008 /* 8 */
3623#define DEBUG_o_FLAG 0x00000010 /* 16 */
3624#define DEBUG_c_FLAG 0x00000020 /* 32 */
3625#define DEBUG_P_FLAG 0x00000040 /* 64 */
3626#define DEBUG_m_FLAG 0x00000080 /* 128 */
3627#define DEBUG_f_FLAG 0x00000100 /* 256 */
3628#define DEBUG_r_FLAG 0x00000200 /* 512 */
3629#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3630#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3631/* U is reserved for Unofficial, exploratory hacking */
3632#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3633#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3634#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3635#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3636/* 0x00010000 is unused, used to be S */
aea4f609 3637#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3638#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3639#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3640#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3641#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3642#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3643#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3644#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3645#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3646#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM
3647
3648#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3649#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3650 that something was done? */
aea4f609 3651
bd16a5f0
IZ
3652# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3653# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3654# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3655# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3656# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3657# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3658# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3659# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3660# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3661# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3662# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3663# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3664# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3665# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3666# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3667# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ
3668# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3669# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3670# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3671# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3672# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3673# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3674# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3675# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3676# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3677# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3678# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3679
3967c732 3680#ifdef DEBUGGING
aea4f609 3681
bd16a5f0
IZ
3682# define DEBUG_p_TEST DEBUG_p_TEST_
3683# define DEBUG_s_TEST DEBUG_s_TEST_
3684# define DEBUG_l_TEST DEBUG_l_TEST_
3685# define DEBUG_t_TEST DEBUG_t_TEST_
3686# define DEBUG_o_TEST DEBUG_o_TEST_
3687# define DEBUG_c_TEST DEBUG_c_TEST_
3688# define DEBUG_P_TEST DEBUG_P_TEST_
3689# define DEBUG_m_TEST DEBUG_m_TEST_
3690# define DEBUG_f_TEST DEBUG_f_TEST_
3691# define DEBUG_r_TEST DEBUG_r_TEST_
3692# define DEBUG_x_TEST DEBUG_x_TEST_
3693# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3694# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3695# define DEBUG_H_TEST DEBUG_H_TEST_
3696# define DEBUG_X_TEST DEBUG_X_TEST_
3697# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ
3698# define DEBUG_T_TEST DEBUG_T_TEST_
3699# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3700# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3701# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3702# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3703# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3704# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3705# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3706# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3707# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3708# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3709
488b0c7a
JH
3710# define PERL_DEB(a) a
3711# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3712# define DEBUG_p(a) if (DEBUG_p_TEST) a
3713# define DEBUG_s(a) if (DEBUG_s_TEST) a
3714# define DEBUG_l(a) if (DEBUG_l_TEST) a
3715# define DEBUG_t(a) if (DEBUG_t_TEST) a
3716# define DEBUG_o(a) if (DEBUG_o_TEST) a
3717# define DEBUG_c(a) if (DEBUG_c_TEST) a
3718# define DEBUG_P(a) if (DEBUG_P_TEST) a
3719
969058bb
VK
3720 /* Temporarily turn off memory debugging in case the a
3721 * does memory allocation, either directly or indirectly. */
acfe0abc 3722# define DEBUG_m(a) \
0b250b9e 3723 STMT_START { \
aea4f609 3724 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3725 } STMT_END
aea4f609 3726
5f80b19c
AMS
3727# define DEBUG__(t, a) \
3728 STMT_START { \
3729 if (t) STMT_START {a;} STMT_END; \
3730 } STMT_END
3731
3732# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3733#ifndef PERL_EXT_RE_BUILD
5f80b19c 3734# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3735#else
3736# define DEBUG_r(a) STMT_START {a;} STMT_END
3737#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3738# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3739# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3740# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3741# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3742# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3743# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3744# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3745# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3746
5f80b19c
AMS
3747# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3748# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3749# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3750# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3751# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3752# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3753# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3754# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3755
3756#else /* DEBUGGING */
3757
3758# define DEBUG_p_TEST (0)
3759# define DEBUG_s_TEST (0)
3760# define DEBUG_l_TEST (0)
3761# define DEBUG_t_TEST (0)
3762# define DEBUG_o_TEST (0)
3763# define DEBUG_c_TEST (0)
3764# define DEBUG_P_TEST (0)
3765# define DEBUG_m_TEST (0)
3766# define DEBUG_f_TEST (0)
3767# define DEBUG_r_TEST (0)
3768# define DEBUG_x_TEST (0)
3769# define DEBUG_u_TEST (0)
88d2d28a 3770# define DEBUG_U_TEST (0)
aea4f609
DM
3771# define DEBUG_H_TEST (0)
3772# define DEBUG_X_TEST (0)
3773# define DEBUG_D_TEST (0)
aea4f609 3774# define DEBUG_T_TEST (0)
04932ac8 3775# define DEBUG_R_TEST (0)
1045810a 3776# define DEBUG_J_TEST (0)
d6721266 3777# define DEBUG_v_TEST (0)
46187eeb 3778# define DEBUG_C_TEST (0)
ecae49c0
NC
3779# define DEBUG_A_TEST (0)
3780# define DEBUG_q_TEST (0)
d7c0d282 3781# define DEBUG_M_TEST (0)
cc8773c0 3782# define DEBUG_B_TEST (0)
7949c6f5
JC
3783# define DEBUG_Xv_TEST (0)
3784# define DEBUG_Uv_TEST (0)
aea