This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Remove the object_compatibility placeholder in the interpreter struct
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW
21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH
35# include "uconfig.h"
36#else
b0f06652
VK
37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH
51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS
58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS
62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
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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
GH
84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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JH
90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH
97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH
104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH
114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH
117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH
120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH
125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
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130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
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145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
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153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH
163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
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172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL
175# define pTHX_5 6
176# define pTHX_6 7
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177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
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180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS
185#endif
186
76e3520e
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187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
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192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a 198
f8149455 199#define CALLREGCOMP(exp, xend, pm) Perl_pregcomp(aTHX_ (exp),(xend),(pm))
f9f4320a 200
f2f78491
YO
201#define CALLREGCOMP_ENG(prog, exp, xend, pm) \
202 CALL_FPTR(((prog)->comp))(aTHX_ exp, xend, pm)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO
205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO
208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO
215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
220 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
221
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YO
222#define CALLREG_NUMBUF(rx,paren,usesv) \
223 CALL_FPTR((rx)->engine->numbered_buff_get)(aTHX_ (rx),(paren),(usesv))
224
225#define CALLREG_NAMEDBUF(rx,name,flags) \
226 CALL_FPTR((rx)->engine->named_buff_get)(aTHX_ (rx),(name),(flags))
227
228
f9f4320a
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229#if defined(USE_ITHREADS)
230#define CALLREGDUPE(prog,param) \
f8149455
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231 Perl_re_dup(aTHX_ (prog),(param))
232
233#define CALLREGDUPE_PVT(prog,param) \
f2f78491 234 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO
235 : (REGEXP *)NULL)
236#endif
14dd3ad8 237
a20207d7 238
bcdf7404 239
a20207d7
YO
240
241
5ba4cab2
SH
242/*
243 * Because of backward compatibility reasons the PERL_UNUSED_DECL
244 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
245 *
246 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 247 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
248 * marking unused variables (they need e.g. a #pragma) and therefore
249 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
250 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
251 *
252 */
1266ad8c 253
9969cdde 254#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 255# ifdef __cplusplus
5ba4cab2 256# define PERL_UNUSED_DECL
5b2bd0a5 257# else
5ba4cab2 258# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
259# endif
260#endif
44dbb695 261
5b2bd0a5 262#ifndef PERL_UNUSED_DECL
34659ad4 263# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 264# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 265# else
5ba4cab2 266# define PERL_UNUSED_DECL
b79c357a 267# endif
5b2bd0a5
AMS
268#endif
269
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270/* gcc -Wall:
271 * for silencing unused variables that are actually used most of the time,
a0288114 272 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 273 */
53c1dcc0 274#ifndef PERL_UNUSED_ARG
c99ffe5e 275# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 276# include <note.h>
53c1dcc0 277# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 278# else
53c1dcc0 279# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
280# endif
281#endif
53c1dcc0
AL
282#ifndef PERL_UNUSED_VAR
283# define PERL_UNUSED_VAR(x) ((void)x)
284#endif
ad73156c 285
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286#ifdef USE_ITHREADS
287# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
288#else
289# define PERL_UNUSED_CONTEXT
290#endif
291
6f207bd3 292#define NOOP /*EMPTY*/(void)0
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293#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
294#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
295#else
6f207bd3 296#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 297#endif
71be2cbc 298
0cb96387 299#ifndef pTHX
e8dda941
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300/* Don't bother defining tTHX and sTHX; using them outside
301 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
302 */
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303# define pTHX void
304# define pTHX_
0cb96387
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305# define aTHX
306# define aTHX_
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307# define dTHXa(a) dNOOP
308# define dTHX dNOOP
894356b3
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309# define pTHX_1 1
310# define pTHX_2 2
311# define pTHX_3 3
312# define pTHX_4 4
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313# define pTHX_5 5
314# define pTHX_6 6
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315# define pTHX_7 7
316# define pTHX_8 8
317# define pTHX_9 9
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318#endif
319
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320#ifndef dVAR
321# define dVAR dNOOP
322#endif
323
b4f7f263
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324/* these are only defined for compatibility; should not be used internally */
325#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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326# define pTHXo pTHX
327# define pTHXo_ pTHX_
0cb96387
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328# define aTHXo aTHX
329# define aTHXo_ aTHX_
c5be433b 330# define dTHXo dTHX
71d280e3 331# define dTHXoa(x) dTHXa(x)
0cb96387
GS
332#endif
333
334#ifndef pTHXx
335# define pTHXx register PerlInterpreter *my_perl
336# define pTHXx_ pTHXx,
0cb96387
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337# define aTHXx my_perl
338# define aTHXx_ aTHXx,
c5be433b 339# define dTHXx dTHX
22c35a8c 340#endif
71be2cbc 341
1de7c2ac
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342/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
343 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
344 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
345#ifdef PERL_IMPLICIT_SYS
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JH
346# ifdef PERL_GLOBAL_STRUCT_PRIVATE
347# define dTHXs dVAR; dTHX
348# else
349# define dTHXs dTHX
350# endif
1de7c2ac 351#else
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JH
352# ifdef PERL_GLOBAL_STRUCT_PRIVATE
353# define dTHXs dVAR
354# else
355# define dTHXs dNOOP
356# endif
1de7c2ac
GS
357#endif
358
326b05e3
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359#undef START_EXTERN_C
360#undef END_EXTERN_C
361#undef EXTERN_C
32f822de
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362#ifdef __cplusplus
363# define START_EXTERN_C extern "C" {
364# define END_EXTERN_C }
365# define EXTERN_C extern "C"
366#else
d460ef45
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367# define START_EXTERN_C
368# define END_EXTERN_C
73c4f7a1 369# define EXTERN_C extern
32f822de
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370#endif
371
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JH
372/* Some platforms require marking function declarations
373 * for them to be exportable. Used in perlio.h, proto.h
374 * is handled either by the makedef.pl or by defining the
375 * PERL_CALLCONV to be something special. See also the
376 * definition of XS() in XSUB.h. */
377#ifndef PERL_EXPORT_C
a0c21aa1
JH
378# ifdef __cplusplus
379# define PERL_EXPORT_C extern "C"
380# else
381# define PERL_EXPORT_C extern
382# endif
27da23d5
JH
383#endif
384#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
385# ifdef __cplusplus
386# define PERL_XS_EXPORT_C extern "C"
387# else
388# define PERL_XS_EXPORT_C
389# endif
27da23d5
JH
390#endif
391
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MB
392#ifdef OP_IN_REGISTER
393# ifdef __GNUC__
394# define stringify_immed(s) #s
395# define stringify(s) stringify_immed(s)
d1ca3daa 396register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB
397# endif
398#endif
399
e5afc1ae 400/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH
401 * g++ allows them but seems to have problems with them
402 * (insane errors ensue). */
403#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 404# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
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405# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
406# endif
5dc8bdac
JH
407#endif
408
5b692037
JH
409#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
410# ifndef PERL_USE_GCC_BRACE_GROUPS
411# define PERL_USE_GCC_BRACE_GROUPS
412# endif
413#endif
414
728e2803
PP
415/*
416 * STMT_START { statements; } STMT_END;
417 * can be used as a single statement, as in
418 * if (x) STMT_START { ... } STMT_END; else ...
419 *
420 * Trying to select a version that gives no warnings...
421 */
422#if !(defined(STMT_START) && defined(STMT_END))
5b692037 423# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 424# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
425# define STMT_END )
426# else
427 /* Now which other defined()s do we need here ??? */
93189314 428# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
429# define STMT_START if (1)
430# define STMT_END else (void)0
431# else
432# define STMT_START do
433# define STMT_END while (0)
434# endif
435# endif
436#endif
437
0cb96387 438#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 439#define WITH_THR(s) WITH_THX(s)
ea0efc06 440
d6f9c181
JH
441#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
442# define BYTEORDER 0x1234
79072805
LW
443#endif
444
445/* Overall memory policy? */
446#ifndef CONSERVATIVE
447# define LIBERAL 1
448#endif
449
8ada0baa
JH
450#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
451#define ASCIIish
452#else
453#undef ASCIIish
454#endif
455
79072805
LW
456/*
457 * The following contortions are brought to you on behalf of all the
458 * standards, semi-standards, de facto standards, not-so-de-facto standards
459 * of the world, as well as all the other botches anyone ever thought of.
460 * The basic theory is that if we work hard enough here, the rest of the
461 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
462 */
ac58e20f 463
ee0007ab 464/* define this once if either system, instead of cluttering up the src */
2986a63f 465#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
466#define DOSISH 1
467#endif
468
fb38d079 469#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
470# define STANDARD_C 1
471#endif
472
9969cdde 473#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
474# define DONT_DECLARE_STD 1
475#endif
476
352d5a3a 477#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 478# ifdef __cplusplus
cb69f87a 479# define VOL /* to temporarily suppress warnings */
79072805
LW
480# else
481# define VOL volatile
482# endif
663a0e37 483#else
79072805 484# define VOL
663a0e37
LW
485#endif
486
3280af22
NIS
487#define TAINT (PL_tainted = TRUE)
488#define TAINT_NOT (PL_tainted = FALSE)
489#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
490#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 491#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 492
d460ef45 493/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
494 defines move there? If so, I could simplify this a lot. --AD 9/96.
495*/
496/* Process group stuff changed from traditional BSD to POSIX.
497 perlfunc.pod documents the traditional BSD-style syntax, so we'll
498 try to preserve that, if possible.
499*/
500#ifdef HAS_SETPGID
501# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 502#else
a6e633de
PP
503# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
504# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
505# else
506# ifdef HAS_SETPGRP2 /* DG/UX */
507# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
508# endif
509# endif
510#endif
511#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
512# define HAS_SETPGRP /* Well, effectively it does . . . */
513#endif
514
515/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
516 our life easier :-) so we'll try it.
517*/
518#ifdef HAS_GETPGID
519# define BSD_GETPGRP(pid) getpgid((pid))
520#else
521# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
522# define BSD_GETPGRP(pid) getpgrp((pid))
523# else
524# ifdef HAS_GETPGRP2 /* DG/UX */
525# define BSD_GETPGRP(pid) getpgrp2((pid))
526# endif
527# endif
528#endif
529#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
530# define HAS_GETPGRP /* Well, effectively it does . . . */
531#endif
532
d460ef45 533/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
534 have different behaviors, but perl.h used to define USE_BSDPGRP
535 (prior to 5.003_05) so some extension might depend on it.
536*/
537#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
538# ifndef USE_BSDPGRP
539# define USE_BSDPGRP
540# endif
663a0e37
LW
541#endif
542
8ac5a1fe
MH
543/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
544 pthread.h must be included before all other header files.
545*/
3db8f154 546#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
547# include <pthread.h>
548#endif
549
760ac839
LW
550#ifndef _TYPES_ /* If types.h defines this it's easy. */
551# ifndef major /* Does everyone's types.h define this? */
552# include <sys/types.h>
c07a80fd 553# endif
663a0e37
LW
554#endif
555
760ac839
LW
556#ifdef __cplusplus
557# ifndef I_STDARG
558# define I_STDARG 1
559# endif
560#endif
561
562#ifdef I_STDARG
563# include <stdarg.h>
564#else
565# ifdef I_VARARGS
566# include <varargs.h>
567# endif
568#endif
569
4633a7c4 570#ifdef USE_NEXT_CTYPE
0c30d9ec 571
092bebab
JH
572#if NX_CURRENT_COMPILER_RELEASE >= 500
573# include <bsd/ctypes.h>
574#else
575# if NX_CURRENT_COMPILER_RELEASE >= 400
576# include <objc/NXCType.h>
577# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
578# include <appkit/NXCType.h>
579# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
580#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
581
582#else /* !USE_NEXT_CTYPE */
fe14fcc3 583#include <ctype.h>
0c30d9ec 584#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
585
586#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
587#undef METHOD
a0d0e21e
LW
588#endif
589
12ae5dfc
JH
590#ifdef PERL_MICRO
591# define NO_LOCALE
592#endif
593
4633a7c4 594#ifdef I_LOCALE
36477c24 595# include <locale.h>
4633a7c4
LW
596#endif
597
36477c24
PP
598#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
599# define USE_LOCALE
600# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
601 && defined(HAS_STRXFRM)
602# define USE_LOCALE_COLLATE
603# endif
604# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
605# define USE_LOCALE_CTYPE
606# endif
607# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
608# define USE_LOCALE_NUMERIC
609# endif
610#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 611
fe14fcc3 612#include <setjmp.h>
79072805 613
a0d0e21e 614#ifdef I_SYS_PARAM
79072805
LW
615# ifdef PARAM_NEEDS_TYPES
616# include <sys/types.h>
617# endif
618# include <sys/param.h>
352d5a3a 619#endif
79072805 620
79072805 621/* Use all the "standard" definitions? */
a0d0e21e 622#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 623# include <stdlib.h>
ff68c719 624#endif
03a14243 625
3f270f98
JH
626/* If this causes problems, set i_unistd=undef in the hint file. */
627#ifdef I_UNISTD
628# include <unistd.h>
629#endif
630
9969cdde 631#ifdef __SYMBIAN32__
27da23d5
JH
632# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
633#endif
634
7114a2d2 635#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 636EXTERN_C int syscall(int, ...);
2ef53570
JH
637#endif
638
7114a2d2 639#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 640EXTERN_C int usleep(unsigned int);
2ef53570
JH
641#endif
642
9a34ef1d
GS
643#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
644# define MYSWAP
645#endif
646
1109a392
MHM
647#ifdef PERL_CORE
648
649/* macros for correct constant construction */
650# if INTSIZE >= 2
651# define U16_CONST(x) ((U16)x##U)
652# else
653# define U16_CONST(x) ((U16)x##UL)
654# endif
655
656# if INTSIZE >= 4
657# define U32_CONST(x) ((U32)x##U)
658# else
659# define U32_CONST(x) ((U32)x##UL)
660# endif
661
662# ifdef HAS_QUAD
663# if INTSIZE >= 8
664# define U64_CONST(x) ((U64)x##U)
665# elif LONGSIZE >= 8
666# define U64_CONST(x) ((U64)x##UL)
667# elif QUADKIND == QUAD_IS_LONG_LONG
668# define U64_CONST(x) ((U64)x##ULL)
669# else /* best guess we can make */
670# define U64_CONST(x) ((U64)x##UL)
671# endif
672# endif
673
674/* byte-swapping functions for big-/little-endian conversion */
675# define _swab_16_(x) ((U16)( \
676 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
677 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
678
679# define _swab_32_(x) ((U32)( \
680 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
681 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
682 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
683 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
684
685# ifdef HAS_QUAD
686# define _swab_64_(x) ((U64)( \
687 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
688 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
689 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
690 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
691 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
692 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
693 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
694 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
695# endif
696
697/*----------------------------------------------------------------------------*/
698# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
699/*----------------------------------------------------------------------------*/
700# define my_htole16(x) (x)
701# define my_letoh16(x) (x)
702# define my_htole32(x) (x)
703# define my_letoh32(x) (x)
704# define my_htobe16(x) _swab_16_(x)
705# define my_betoh16(x) _swab_16_(x)
706# define my_htobe32(x) _swab_32_(x)
707# define my_betoh32(x) _swab_32_(x)
708# ifdef HAS_QUAD
709# define my_htole64(x) (x)
710# define my_letoh64(x) (x)
711# define my_htobe64(x) _swab_64_(x)
712# define my_betoh64(x) _swab_64_(x)
713# endif
714# define my_htoles(x) (x)
715# define my_letohs(x) (x)
716# define my_htolei(x) (x)
717# define my_letohi(x) (x)
718# define my_htolel(x) (x)
719# define my_letohl(x) (x)
720# if SHORTSIZE == 1
721# define my_htobes(x) (x)
722# define my_betohs(x) (x)
723# elif SHORTSIZE == 2
724# define my_htobes(x) _swab_16_(x)
725# define my_betohs(x) _swab_16_(x)
726# elif SHORTSIZE == 4
727# define my_htobes(x) _swab_32_(x)
728# define my_betohs(x) _swab_32_(x)
729# elif SHORTSIZE == 8
730# define my_htobes(x) _swab_64_(x)
731# define my_betohs(x) _swab_64_(x)
732# else
733# define PERL_NEED_MY_HTOBES
734# define PERL_NEED_MY_BETOHS
735# endif
736# if INTSIZE == 1
737# define my_htobei(x) (x)
738# define my_betohi(x) (x)
739# elif INTSIZE == 2
740# define my_htobei(x) _swab_16_(x)
741# define my_betohi(x) _swab_16_(x)
742# elif INTSIZE == 4
743# define my_htobei(x) _swab_32_(x)
744# define my_betohi(x) _swab_32_(x)
745# elif INTSIZE == 8
746# define my_htobei(x) _swab_64_(x)
747# define my_betohi(x) _swab_64_(x)
748# else
749# define PERL_NEED_MY_HTOBEI
750# define PERL_NEED_MY_BETOHI
751# endif
752# if LONGSIZE == 1
753# define my_htobel(x) (x)
754# define my_betohl(x) (x)
755# elif LONGSIZE == 2
756# define my_htobel(x) _swab_16_(x)
757# define my_betohl(x) _swab_16_(x)
758# elif LONGSIZE == 4
759# define my_htobel(x) _swab_32_(x)
760# define my_betohl(x) _swab_32_(x)
761# elif LONGSIZE == 8
762# define my_htobel(x) _swab_64_(x)
763# define my_betohl(x) _swab_64_(x)
764# else
765# define PERL_NEED_MY_HTOBEL
766# define PERL_NEED_MY_BETOHL
767# endif
768# define my_htolen(p,n) NOOP
769# define my_letohn(p,n) NOOP
770# define my_htoben(p,n) my_swabn(p,n)
771# define my_betohn(p,n) my_swabn(p,n)
772/*----------------------------------------------------------------------------*/
773# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
774/*----------------------------------------------------------------------------*/
775# define my_htobe16(x) (x)
776# define my_betoh16(x) (x)
777# define my_htobe32(x) (x)
778# define my_betoh32(x) (x)
779# define my_htole16(x) _swab_16_(x)
780# define my_letoh16(x) _swab_16_(x)
781# define my_htole32(x) _swab_32_(x)
782# define my_letoh32(x) _swab_32_(x)
783# ifdef HAS_QUAD
784# define my_htobe64(x) (x)
785# define my_betoh64(x) (x)
786# define my_htole64(x) _swab_64_(x)
787# define my_letoh64(x) _swab_64_(x)
788# endif
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# define my_htobei(x) (x)
792# define my_betohi(x) (x)
793# define my_htobel(x) (x)
794# define my_betohl(x) (x)
795# if SHORTSIZE == 1
796# define my_htoles(x) (x)
797# define my_letohs(x) (x)
798# elif SHORTSIZE == 2
799# define my_htoles(x) _swab_16_(x)
800# define my_letohs(x) _swab_16_(x)
801# elif SHORTSIZE == 4
802# define my_htoles(x) _swab_32_(x)
803# define my_letohs(x) _swab_32_(x)
804# elif SHORTSIZE == 8
805# define my_htoles(x) _swab_64_(x)
806# define my_letohs(x) _swab_64_(x)
807# else
808# define PERL_NEED_MY_HTOLES
809# define PERL_NEED_MY_LETOHS
810# endif
811# if INTSIZE == 1
812# define my_htolei(x) (x)
813# define my_letohi(x) (x)
814# elif INTSIZE == 2
815# define my_htolei(x) _swab_16_(x)
816# define my_letohi(x) _swab_16_(x)
817# elif INTSIZE == 4
818# define my_htolei(x) _swab_32_(x)
819# define my_letohi(x) _swab_32_(x)
820# elif INTSIZE == 8
821# define my_htolei(x) _swab_64_(x)
822# define my_letohi(x) _swab_64_(x)
823# else
824# define PERL_NEED_MY_HTOLEI
825# define PERL_NEED_MY_LETOHI
826# endif
827# if LONGSIZE == 1
828# define my_htolel(x) (x)
829# define my_letohl(x) (x)
830# elif LONGSIZE == 2
831# define my_htolel(x) _swab_16_(x)
832# define my_letohl(x) _swab_16_(x)
833# elif LONGSIZE == 4
834# define my_htolel(x) _swab_32_(x)
835# define my_letohl(x) _swab_32_(x)
836# elif LONGSIZE == 8
837# define my_htolel(x) _swab_64_(x)
838# define my_letohl(x) _swab_64_(x)
839# else
840# define PERL_NEED_MY_HTOLEL
841# define PERL_NEED_MY_LETOHL
842# endif
843# define my_htolen(p,n) my_swabn(p,n)
844# define my_letohn(p,n) my_swabn(p,n)
845# define my_htoben(p,n) NOOP
846# define my_betohn(p,n) NOOP
847/*----------------------------------------------------------------------------*/
848# else /* all other byte-orders */
849/*----------------------------------------------------------------------------*/
850# define PERL_NEED_MY_HTOLE16
851# define PERL_NEED_MY_LETOH16
852# define PERL_NEED_MY_HTOBE16
853# define PERL_NEED_MY_BETOH16
854# define PERL_NEED_MY_HTOLE32
855# define PERL_NEED_MY_LETOH32
856# define PERL_NEED_MY_HTOBE32
857# define PERL_NEED_MY_BETOH32
858# ifdef HAS_QUAD
859# define PERL_NEED_MY_HTOLE64
860# define PERL_NEED_MY_LETOH64
861# define PERL_NEED_MY_HTOBE64
862# define PERL_NEED_MY_BETOH64
863# endif
864# define PERL_NEED_MY_HTOLES
865# define PERL_NEED_MY_LETOHS
866# define PERL_NEED_MY_HTOBES
867# define PERL_NEED_MY_BETOHS
868# define PERL_NEED_MY_HTOLEI
869# define PERL_NEED_MY_LETOHI
870# define PERL_NEED_MY_HTOBEI
871# define PERL_NEED_MY_BETOHI
872# define PERL_NEED_MY_HTOLEL
873# define PERL_NEED_MY_LETOHL
874# define PERL_NEED_MY_HTOBEL
875# define PERL_NEED_MY_BETOHL
876/*----------------------------------------------------------------------------*/
877# endif /* end of byte-order macros */
878/*----------------------------------------------------------------------------*/
879
9c17f24a
NC
880/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
881 at least on FreeBSD. YMMV, so experiment. */
882#ifndef PERL_ARENA_SIZE
883#define PERL_ARENA_SIZE 4080
884#endif
885
1109a392
MHM
886#endif /* PERL_CORE */
887
bdf3085f
NC
888/* We no longer default to creating a new SV for GvSV.
889 Do this before embed. */
890#ifndef PERL_CREATE_GVSV
7459f06b
NC
891# ifndef PERL_DONT_CREATE_GVSV
892# define PERL_DONT_CREATE_GVSV
893# endif
bdf3085f
NC
894#endif
895
ca0c25f6
NC
896#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
897#define PERL_USES_PL_PIDSTATUS
898#endif
899
a62746fa
RGS
900#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
901#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
902#endif
903
66a93824
NIS
904/* Cannot include embed.h here on Win32 as win32.h has not
905 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
906 */
96e176bf 907#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 908# include "embed.h"
eb8433b7
NC
909# ifndef PERL_MAD
910# undef op_getmad
b3f24c00 911# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 912# endif
cea2e8a9
GS
913#endif
914
c31fac66
GS
915#define MEM_SIZE Size_t
916
1936d2a7
NC
917/* Round all values passed to malloc up, by default to a multiple of
918 sizeof(size_t)
919*/
920#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
921#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
922#endif
923
51371543
GS
924#if defined(STANDARD_C) && defined(I_STDDEF)
925# include <stddef.h>
926# define STRUCT_OFFSET(s,m) offsetof(s,m)
927#else
928# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
929#endif
930
9969cdde 931#ifndef __SYMBIAN32__
27da23d5
JH
932# if defined(I_STRING) || defined(__cplusplus)
933# include <string.h>
934# else
935# include <strings.h>
936# endif
51371543
GS
937#endif
938
55497cff
PP
939/* This comes after <stdlib.h> so we don't try to change the standard
940 * library prototypes; we'll use our own in proto.h instead. */
03a14243 941
4633a7c4 942#ifdef MYMALLOC
86058a2d 943# ifdef PERL_POLLUTE_MALLOC
ee13e175 944# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
945# define Perl_malloc malloc
946# define Perl_calloc calloc
947# define Perl_realloc realloc
948# define Perl_mfree free
ee13e175 949# endif
86058a2d
GS
950# else
951# define EMBEDMYMALLOC /* for compatibility */
952# endif
827e134a 953
651b9576
GS
954# define safemalloc Perl_malloc
955# define safecalloc Perl_calloc
956# define saferealloc Perl_realloc
957# define safefree Perl_mfree
22f7c9c9
JH
958# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
959 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
960 code; \
961 } STMT_END
962# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
963 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
964# define panic_write2(s) write(2, s, strlen(s))
965# define CHECK_MALLOC_TAINT(newval) \
966 CHECK_MALLOC_TOO_LATE_FOR_( \
967 if (newval) { \
968 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
969 exit(1); })
22f7c9c9 970# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 971 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
972 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
973 }} STMT_END;
f2517201
GS
974#else /* MYMALLOC */
975# define safemalloc safesysmalloc
976# define safecalloc safesyscalloc
977# define saferealloc safesysrealloc
978# define safefree safesysfree
22f7c9c9
JH
979# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
980# define CHECK_MALLOC_TAINT(newval) ((void)0)
981# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 982#endif /* MYMALLOC */
4633a7c4 983
27da23d5 984#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
985#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
986#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
987#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
988
a0d0e21e
LW
989#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
990#define strchr index
991#define strrchr rindex
992#endif
993
16d20bd9
AD
994#ifdef I_MEMORY
995# include <memory.h>
996#endif
997
fe14fcc3 998#ifdef HAS_MEMCPY
85e6fe83 999# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1000# ifndef memcpy
20ce7b12 1001 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1002# endif
1003# endif
1004#else
1005# ifndef memcpy
1006# ifdef HAS_BCOPY
1007# define memcpy(d,s,l) bcopy(s,d,l)
1008# else
1009# define memcpy(d,s,l) my_bcopy(s,d,l)
1010# endif
1011# endif
1012#endif /* HAS_MEMCPY */
fe14fcc3 1013
ee0007ab 1014#ifdef HAS_MEMSET
85e6fe83 1015# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1016# ifndef memset
20ce7b12 1017 extern char *memset (char*, int, int);
ee0007ab
LW
1018# endif
1019# endif
ee0007ab 1020#else
12ae5dfc 1021# undef memset
fc36a67e 1022# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1023#endif /* HAS_MEMSET */
1024
85e6fe83 1025#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1026# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1027# define memmove(d,s,l) bcopy(s,d,l)
1028# else
2304df62 1029# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1030# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1031# else
79072805 1032# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1033# endif
352d5a3a 1034# endif
d9d8d8de 1035#endif
ee0007ab 1036
36477c24
PP
1037#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1038# undef HAS_MEMCMP
1039#endif
1040
1041#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1042# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1043# ifndef memcmp
20ce7b12 1044 extern int memcmp (char*, char*, int);
ee0007ab
LW
1045# endif
1046# endif
36477c24 1047# ifdef BUGGY_MSC
7e4e8c89 1048# pragma function(memcmp)
36477c24 1049# endif
ee0007ab
LW
1050#else
1051# ifndef memcmp
ecfc5424 1052# define memcmp my_memcmp
352d5a3a 1053# endif
36477c24 1054#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1055
fc36a67e 1056#ifndef memzero
c635e13b
PP
1057# ifdef HAS_MEMSET
1058# define memzero(d,l) memset(d,0,l)
79072805 1059# else
c635e13b
PP
1060# ifdef HAS_BZERO
1061# define memzero(d,l) bzero(d,l)
79072805 1062# else
fc36a67e 1063# define memzero(d,l) my_bzero(d,l)
79072805
LW
1064# endif
1065# endif
d9d8d8de 1066#endif
378cc40b 1067
2f42fcb0 1068#ifndef PERL_MICRO
0f27ced1
JH
1069#ifndef memchr
1070# ifndef HAS_MEMCHR
1071# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1072# endif
1073#endif
2f42fcb0 1074#endif
0f27ced1 1075
36477c24
PP
1076#ifndef HAS_BCMP
1077# ifndef bcmp
1078# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1079# endif
36477c24 1080#endif /* !HAS_BCMP */
378cc40b 1081
ae986130 1082#ifdef I_NETINET_IN
79072805 1083# include <netinet/in.h>
ae986130
LW
1084#endif
1085
28e8609d
JH
1086#ifdef I_ARPA_INET
1087# include <arpa/inet.h>
1088#endif
1089
84902520
TB
1090#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1091/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1092 * (the neo-BSD seem to do this). */
1093# undef SF_APPEND
1094#endif
1095
1aef975c 1096#ifdef I_SYS_STAT
84902520 1097# include <sys/stat.h>
1aef975c 1098#endif
79072805 1099
a0d0e21e
LW
1100/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1101 like UTekV) are broken, sometimes giving false positives. Undefine
1102 them here and let the code below set them to proper values.
1103
1104 The ghs macro stands for GreenHills Software C-1.8.5 which
1105 is the C compiler for sysV88 and the various derivatives.
1106 This header file bug is corrected in gcc-2.5.8 and later versions.
1107 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1108
1109#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1110# undef S_ISDIR
1111# undef S_ISCHR
1112# undef S_ISBLK
1113# undef S_ISREG
1114# undef S_ISFIFO
1115# undef S_ISLNK
ee0007ab 1116#endif
135863df 1117
663a0e37
LW
1118#ifdef I_TIME
1119# include <time.h>
ffed7fef 1120#endif
663a0e37 1121
fe14fcc3 1122#ifdef I_SYS_TIME
85e6fe83 1123# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1124# define KERNEL
1125# endif
1126# include <sys/time.h>
85e6fe83 1127# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1128# undef KERNEL
1129# endif
a687059c 1130#endif
135863df 1131
55497cff 1132#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1133# include <sys/times.h>
d9d8d8de 1134#endif
8d063cd8 1135
fe14fcc3 1136#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1137# undef HAS_STRERROR
663a0e37
LW
1138#endif
1139
1140#include <errno.h>
1e743fda 1141
acfe0abc 1142#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1143# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1144#endif
1145
8cfab5ff
JH
1146/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1147 * This is important for using IPv6.
1148 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1149 * a bad idea since it breaks send() and recv(). */
1150#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1151# define _SOCKADDR_LEN
1152#endif
1153
8d3f517a 1154#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1155# include <sys/socket.h>
1156# if defined(USE_SOCKS) && defined(I_SOCKS)
1157# if !defined(INCLUDE_PROTOTYPES)
1158# define INCLUDE_PROTOTYPES /* for <socks.h> */
1159# define PERL_SOCKS_NEED_PROTOTYPES
1160# endif
1161# include <socks.h>
1162# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1163# undef INCLUDE_PROTOTYPES
1164# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1165# endif
d460ef45 1166# endif
1e743fda 1167# ifdef I_NETDB
2986a63f
JH
1168# ifdef NETWARE
1169# include<stdio.h>
1170# endif
1e743fda
JH
1171# include <netdb.h>
1172# endif
1173# ifndef ENOTSOCK
1174# ifdef I_NET_ERRNO
1175# include <net/errno.h>
1176# endif
1177# endif
1178#endif
1179
fa0a29af 1180/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1181 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1182 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1183#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1184# if defined(__THROW) && defined(__GLIBC__)
1185int sockatmark(int) __THROW;
1186# else
2ef53570 1187int sockatmark(int);
29820b6d 1188# endif
2ef53570
JH
1189#endif
1190
7e827271 1191#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
1192EXTERN_C int fchdir(int);
1193EXTERN_C int flock(int, int);
1194EXTERN_C int fseeko(FILE *, off_t, int);
1195EXTERN_C off_t ftello(FILE *);
1196#endif
1197
7e827271 1198#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1199EXTERN_C char *crypt(const char *, const char *);
7e827271 1200EXTERN_C char **environ;
1ccb7c8d
JH
1201#endif
1202
b91fbb93
SP
1203#if defined(__OpenBSD__) && defined(__cplusplus)
1204EXTERN_C char **environ;
1205#endif
1206
667e2948
SP
1207#if defined(__CYGWIN__) && defined(__cplusplus)
1208EXTERN_C char *crypt(const char *, const char *);
1209#endif
1210
1e743fda
JH
1211#ifdef SETERRNO
1212# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1213#endif
f86702cc
PP
1214
1215#ifdef VMS
1216# define SETERRNO(errcode,vmserrcode) \
1217 STMT_START { \
1218 set_errno(errcode); \
1219 set_vaxc_errno(vmserrcode); \
1220 } STMT_END
93189314
JH
1221# define LIB_INVARG LIB$_INVARG
1222# define RMS_DIR RMS$_DIR
1223# define RMS_FAC RMS$_FAC
1224# define RMS_FEX RMS$_FEX
1225# define RMS_FNF RMS$_FNF
1226# define RMS_IFI RMS$_IFI
1227# define RMS_ISI RMS$_ISI
1228# define RMS_PRV RMS$_PRV
1229# define SS_ACCVIO SS$_ACCVIO
1230# define SS_DEVOFFLINE SS$_DEVOFFLINE
1231# define SS_IVCHAN SS$_IVCHAN
1232# define SS_NORMAL SS$_NORMAL
748a9306 1233#else
aba27d88 1234# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1235# define LIB_INVARG 0
1236# define RMS_DIR 0
1237# define RMS_FAC 0
1238# define RMS_FEX 0
1239# define RMS_FNF 0
1240# define RMS_IFI 0
1241# define RMS_ISI 0
1242# define RMS_PRV 0
1243# define SS_ACCVIO 0
1244# define SS_DEVOFFLINE 0
1245# define SS_IVCHAN 0
1246# define SS_NORMAL 0
748a9306 1247#endif
ed6116ce 1248
3db8f154 1249#define ERRSV GvSV(PL_errgv)
e203899d
NC
1250/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1251#define DEFSV GvSVn(PL_defgv)
3db8f154 1252#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1253
98eae8f5
GS
1254#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1255
55497cff 1256#ifndef errno
5ff3f7a4
GS
1257 extern int errno; /* ANSI allows errno to be an lvalue expr.
1258 * For example in multithreaded environments
1259 * something like this might happen:
1260 * extern int *_errno(void);
1261 * #define errno (*_errno()) */
d9d8d8de 1262#endif
663a0e37 1263
2304df62 1264#ifdef HAS_STRERROR
a0d0e21e 1265# ifdef VMS
20ce7b12 1266 char *strerror (int,...);
a0d0e21e 1267# else
68dc0745 1268#ifndef DONT_DECLARE_STD
20ce7b12 1269 char *strerror (int);
68dc0745 1270#endif
a0d0e21e 1271# endif
2304df62
AD
1272# ifndef Strerror
1273# define Strerror strerror
1274# endif
1275#else
1276# ifdef HAS_SYS_ERRLIST
79072805
LW
1277 extern int sys_nerr;
1278 extern char *sys_errlist[];
2304df62
AD
1279# ifndef Strerror
1280# define Strerror(e) \
79072805 1281 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1282# endif
79072805 1283# endif
35c8bce7 1284#endif
663a0e37 1285
2304df62 1286#ifdef I_SYS_IOCTL
79072805
LW
1287# ifndef _IOCTL_
1288# include <sys/ioctl.h>
1289# endif
a687059c
LW
1290#endif
1291
ee0007ab 1292#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1293# ifdef HAS_SOCKETPAIR
1294# undef HAS_SOCKETPAIR
1295# endif
2304df62
AD
1296# ifdef I_NDBM
1297# undef I_NDBM
79072805 1298# endif
a687059c
LW
1299#endif
1300
02fc2eee
NC
1301#ifndef HAS_SOCKETPAIR
1302# ifdef HAS_SOCKET
1303# define socketpair Perl_my_socketpair
1304# endif
1305#endif
1306
a687059c 1307#if INTSIZE == 2
79072805
LW
1308# define htoni htons
1309# define ntohi ntohs
a687059c 1310#else
79072805
LW
1311# define htoni htonl
1312# define ntohi ntohl
a687059c
LW
1313#endif
1314
a0d0e21e 1315/* Configure already sets Direntry_t */
35c8bce7 1316#if defined(I_DIRENT)
663a0e37 1317# include <dirent.h>
8f1f23e8
W
1318 /* NeXT needs dirent + sys/dir.h */
1319# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1320# include <sys/dir.h>
1321# endif
ae986130 1322#else
fe14fcc3 1323# ifdef I_SYS_NDIR
79a0689e 1324# include <sys/ndir.h>
663a0e37 1325# else
fe14fcc3 1326# ifdef I_SYS_DIR
79a0689e
LW
1327# ifdef hp9000s500
1328# include <ndir.h> /* may be wrong in the future */
1329# else
1330# include <sys/dir.h>
1331# endif
663a0e37
LW
1332# endif
1333# endif
4633a7c4 1334#endif
a687059c 1335
12ae5dfc
JH
1336#ifdef PERL_MICRO
1337# ifndef DIR
1338# define DIR void
1339# endif
1340#endif
1341
352d5a3a
LW
1342#ifdef FPUTS_BOTCH
1343/* work around botch in SunOS 4.0.1 and 4.0.2 */
1344# ifndef fputs
79072805 1345# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1346# endif
1347#endif
1348
c623bd54
LW
1349/*
1350 * The following gobbledygook brought to you on behalf of __STDC__.
1351 * (I could just use #ifndef __STDC__, but this is more bulletproof
1352 * in the face of half-implementations.)
1353 */
1354
7114a2d2 1355#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1356#include <sys/mode.h>
1357#endif
1358
c623bd54
LW
1359#ifndef S_IFMT
1360# ifdef _S_IFMT
1361# define S_IFMT _S_IFMT
1362# else
1363# define S_IFMT 0170000
1364# endif
1365#endif
1366
1367#ifndef S_ISDIR
1368# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1369#endif
1370
1371#ifndef S_ISCHR
1372# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1373#endif
1374
1375#ifndef S_ISBLK
fe14fcc3
LW
1376# ifdef S_IFBLK
1377# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1378# else
1379# define S_ISBLK(m) (0)
1380# endif
c623bd54
LW
1381#endif
1382
1383#ifndef S_ISREG
1384# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1385#endif
1386
1387#ifndef S_ISFIFO
fe14fcc3
LW
1388# ifdef S_IFIFO
1389# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1390# else
1391# define S_ISFIFO(m) (0)
1392# endif
c623bd54
LW
1393#endif
1394
1395#ifndef S_ISLNK
1396# ifdef _S_ISLNK
1397# define S_ISLNK(m) _S_ISLNK(m)
1398# else
1399# ifdef _S_IFLNK
1400# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1401# else
1402# ifdef S_IFLNK
1403# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1404# else
1405# define S_ISLNK(m) (0)
1406# endif
1407# endif
1408# endif
1409#endif
1410
1411#ifndef S_ISSOCK
1412# ifdef _S_ISSOCK
1413# define S_ISSOCK(m) _S_ISSOCK(m)
1414# else
1415# ifdef _S_IFSOCK
1416# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1417# else
1418# ifdef S_IFSOCK
1419# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1420# else
1421# define S_ISSOCK(m) (0)
1422# endif
1423# endif
1424# endif
1425#endif
1426
1427#ifndef S_IRUSR
1428# ifdef S_IREAD
1429# define S_IRUSR S_IREAD
1430# define S_IWUSR S_IWRITE
1431# define S_IXUSR S_IEXEC
1432# else
1433# define S_IRUSR 0400
1434# define S_IWUSR 0200
1435# define S_IXUSR 0100
1436# endif
fac7cdfc 1437#endif
1438
1439#ifndef S_IRGRP
1440# ifdef S_IRUSR
1441# define S_IRGRP (S_IRUSR>>3)
1442# define S_IWGRP (S_IWUSR>>3)
1443# define S_IXGRP (S_IXUSR>>3)
1444# else
1445# define S_IRGRP 0040
1446# define S_IWGRP 0020
1447# define S_IXGRP 0010
1448# endif
1449#endif
1450
1451#ifndef S_IROTH
1452# ifdef S_IRUSR
1453# define S_IROTH (S_IRUSR>>6)
1454# define S_IWOTH (S_IWUSR>>6)
1455# define S_IXOTH (S_IXUSR>>6)
1456# else
1457# define S_IROTH 0040
1458# define S_IWOTH 0020
1459# define S_IXOTH 0010
1460# endif
c623bd54
LW
1461#endif
1462
1463#ifndef S_ISUID
1464# define S_ISUID 04000
1465#endif
1466
1467#ifndef S_ISGID
1468# define S_ISGID 02000
1469#endif
1470
ca6e1c26
JH
1471#ifndef S_IRWXU
1472# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1473#endif
ca6e1c26
JH
1474
1475#ifndef S_IRWXG
1476# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1477#endif
ca6e1c26
JH
1478
1479#ifndef S_IRWXO
1480# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1481#endif
ca6e1c26 1482
c21fb2b8
JH
1483/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1484 * which would get included through <sys/file.h >, but that is 3000
1485 * lines in the future. --jhi */
1486
1487#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1488# define S_IREAD S_IRUSR
1489#endif
1490
c21fb2b8 1491#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1492# define S_IWRITE S_IWUSR
1493#endif
1494
1495#ifndef S_IEXEC
1496# define S_IEXEC S_IXUSR
1497#endif
1498
79072805
LW
1499#ifdef ff_next
1500# undef ff_next
352d5a3a
LW
1501#endif
1502
a0d0e21e 1503#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1504# define SLOPPYDIVIDE
1505#endif
1506
748a9306
LW
1507#ifdef UV
1508#undef UV
1509#endif
1510
c89df6bf
JH
1511#ifdef SPRINTF_E_BUG
1512# define sprintf UTS_sprintf_wrap
1513#endif
1514
ce582cee
NC
1515/* For the times when you want the return value of sprintf, and you want it
1516 to be the length. Can't have a thread variable passed in, because C89 has
1517 no varargs macros.
1518*/
1519#ifdef SPRINTF_RETURNS_STRLEN
1520# define my_sprintf sprintf
1521#else
1522# define my_sprintf Perl_my_sprintf
1523#endif
1524
5b692037
JH
1525/*
1526 * If we have v?snprintf() and the C99 variadic macros, we can just
1527 * use just the v?snprintf(). It is nice to try to trap the buffer
1528 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1529 * gcc statement expressions, then use the function wrappers which try
1530 * to trap the overflow. If we can use the gcc statement expressions,
1531 * we can try that even with the version that uses the C99 variadic
1532 * macros.
5b692037
JH
1533 */
1534
1208b3dd
JH
1535/* Note that we do not check against snprintf()/vsnprintf() returning
1536 * negative values because that is non-standard behaviour and we use
1537 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1538 * that should be true only if the snprintf()/vsnprintf() are true
1539 * to the standard. */
1540
dfeee9b1 1541#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1542# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1543# 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 1544# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1545# else
1546# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1547# endif
1548#else
1549# define my_snprintf Perl_my_snprintf
1208b3dd 1550# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1551#endif
1552
dfeee9b1 1553#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1554# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1555# 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 1556# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1557# else
1558# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1559# endif
1560#else
1561# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1562# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1563#endif
d9fad198 1564
a6cc4119
SP
1565#ifdef HAS_STRLCAT
1566# define my_strlcat strlcat
1567#else
1568# define my_strlcat Perl_my_strlcat
1569#endif
1570
1571#ifdef HAS_STRLCPY
1572# define my_strlcpy strlcpy
1573#else
1574# define my_strlcpy Perl_my_strlcpy
1575#endif
1576
c495e728
JH
1577/* Configure gets this right but the UTS compiler gets it wrong.
1578 -- Hal Morris <hom00@utsglobal.com> */
1579#ifdef UTS
1580# undef UVTYPE
1581# define UVTYPE unsigned
1582#endif
1583
05f13f53 1584/*
27d4fb96
PP
1585 The IV type is supposed to be long enough to hold any integral
1586 value or a pointer.
1587 --Andy Dougherty August 1996
1588*/
1589
a22e52b9
JH
1590typedef IVTYPE IV;
1591typedef UVTYPE UV;
8175356b 1592
10cc9d2a 1593#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1594# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1595# define IV_MAX INT64_MAX
1596# define IV_MIN INT64_MIN
1597# define UV_MAX UINT64_MAX
cae7ae48
JH
1598# ifndef UINT64_MIN
1599# define UINT64_MIN 0
1600# endif
5ff3f7a4
GS
1601# define UV_MIN UINT64_MIN
1602# else
1603# define IV_MAX PERL_QUAD_MAX
1604# define IV_MIN PERL_QUAD_MIN
1605# define UV_MAX PERL_UQUAD_MAX
1606# define UV_MIN PERL_UQUAD_MIN
1607# endif
cf2093f6
JH
1608# define IV_IS_QUAD
1609# define UV_IS_QUAD
79072805 1610#else
8175356b 1611# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1612# define IV_MAX INT32_MAX
1613# define IV_MIN INT32_MIN
716026f9
DL
1614# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1615# define UV_MAX UINT32_MAX
1616# else
1617# define UV_MAX 4294967295U
1618# endif
cae7ae48
JH
1619# ifndef UINT32_MIN
1620# define UINT32_MIN 0
1621# endif
5ff3f7a4
GS
1622# define UV_MIN UINT32_MIN
1623# else
1624# define IV_MAX PERL_LONG_MAX
1625# define IV_MIN PERL_LONG_MIN
1626# define UV_MAX PERL_ULONG_MAX
1627# define UV_MIN PERL_ULONG_MIN
1628# endif
8175356b 1629# if IVSIZE == 8
cf2093f6
JH
1630# define IV_IS_QUAD
1631# define UV_IS_QUAD
de1c2614
JH
1632# ifndef HAS_QUAD
1633# define HAS_QUAD
1634# endif
cf2093f6
JH
1635# else
1636# undef IV_IS_QUAD
1637# undef UV_IS_QUAD
de1c2614 1638# undef HAS_QUAD
cf2093f6 1639# endif
79072805 1640#endif
d7d93a81 1641
1109a392
MHM
1642#ifndef HAS_QUAD
1643# undef PERL_NEED_MY_HTOLE64
1644# undef PERL_NEED_MY_LETOH64
1645# undef PERL_NEED_MY_HTOBE64
1646# undef PERL_NEED_MY_BETOH64
1647#endif
1648
6cde8aec 1649#if defined(uts) || defined(UTS)
11afe549
HM
1650# undef UV_MAX
1651# define UV_MAX (4294967295u)
20601011
JH
1652#endif
1653
cae7ae48 1654#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1655#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1656
28e5dec8 1657#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1658#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1659#endif
1660
d460ef45 1661/*
26bb67e2
JH
1662 * The macros INT2PTR and NUM2PTR are (despite their names)
1663 * bi-directional: they will convert int/float to or from pointers.
1664 * However the conversion to int/float are named explicitly:
1665 * PTR2IV, PTR2UV, PTR2NV.
1666 *
1667 * For int conversions we do not need two casts if pointers are
1668 * the same size as IV and UV. Otherwise we need an explicit
1669 * cast (PTRV) to avoid compiler warnings.
1670 */
56431972
RB
1671#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1672# define PTRV UV
1673# define INT2PTR(any,d) (any)(d)
1674#else
d460ef45 1675# if PTRSIZE == LONGSIZE
56431972 1676# define PTRV unsigned long
e91e3b10 1677# define PTR2ul(p) (unsigned long)(p)
42718184 1678# else
56431972 1679# define PTRV unsigned
42718184 1680# endif
e91e3b10
RB
1681#endif
1682
1683#ifndef INT2PTR
56431972 1684# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1685#endif
e91e3b10
RB
1686
1687#ifndef PTR2ul
1688# define PTR2ul(p) INT2PTR(unsigned long,p)
1689#endif
1690
56431972
RB
1691#define NUM2PTR(any,d) (any)(PTRV)(d)
1692#define PTR2IV(p) INT2PTR(IV,p)
1693#define PTR2UV(p) INT2PTR(UV,p)
1694#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1695#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1696
8141890a
JH
1697/* According to strict ANSI C89 one cannot freely cast between
1698 * data pointers and function (code) pointers. There are at least
1699 * two ways around this. One (used below) is to do two casts,
1700 * first the other pointer to an (unsigned) integer, and then
1701 * the integer to the other pointer. The other way would be
1702 * to use unions to "overlay" the pointers. For an example of
1703 * the latter technique, see union dirpu in struct xpvio in sv.h.
1704 * The only feasible use is probably temporarily storing
1705 * function pointers in a data pointer (such as a void pointer). */
1706
e91e3b10
RB
1707#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1708#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1709
65202027 1710#ifdef USE_LONG_DOUBLE
1048ea30
JH
1711# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1712# define LONG_DOUBLE_EQUALS_DOUBLE
1713# endif
68d4903c 1714# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1715# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1716# endif
1717#endif
1718
2d4389e4
JH
1719#ifdef OVR_DBL_DIG
1720/* Use an overridden DBL_DIG */
1721# ifdef DBL_DIG
1722# undef DBL_DIG
1723# endif
1724# define DBL_DIG OVR_DBL_DIG
1725#else
1726/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1727 default value for printing floating point numbers in Gconvert
1728 (see config.h). (It also has other uses, such as figuring out if
1729 a given precision of printing can be done with a double instead of
1730 a long double - Allen).
2d4389e4
JH
1731*/
1732#ifdef I_LIMITS
1733#include <limits.h>
1734#endif
1735#ifdef I_FLOAT
1736#include <float.h>
1737#endif
1738#ifndef HAS_DBL_DIG
1739#define DBL_DIG 15 /* A guess that works lots of places */
1740#endif
1741#endif
1742
1743#ifdef OVR_LDBL_DIG
1744/* Use an overridden LDBL_DIG */
1745# ifdef LDBL_DIG
1746# undef LDBL_DIG
1747# endif
1748# define LDBL_DIG OVR_LDBL_DIG
1749#else
1750/* The following is all to get LDBL_DIG, in order to pick a nice
1751 default value for printing floating point numbers in Gconvert.
1752 (see config.h)
1753*/
68d4903c
JH
1754# ifdef I_LIMITS
1755# include <limits.h>
1756# endif
1757# ifdef I_FLOAT
1758# include <float.h>
1759# endif
1760# ifndef HAS_LDBL_DIG
1761# if LONG_DOUBLESIZE == 10
1762# define LDBL_DIG 18 /* assume IEEE */
1763# else
1764# if LONG_DOUBLESIZE == 12
1765# define LDBL_DIG 18 /* gcc? */
1766# else
1767# if LONG_DOUBLESIZE == 16
1768# define LDBL_DIG 33 /* assume IEEE */
1769# else
1770# if LONG_DOUBLESIZE == DOUBLESIZE
1771# define LDBL_DIG DBL_DIG /* bummer */
1772# endif
1773# endif
1774# endif
1775# endif
1776# endif
2d4389e4
JH
1777#endif
1778
20f6aaab
AS
1779/*
1780 * This is for making sure we have a good DBL_MAX value, if possible,
1781 * either for usage as NV_MAX or for usage in figuring out if we can
1782 * fit a given long double into a double, if bug-fixing makes it
1783 * necessary to do so. - Allen <allens@cpan.org>
1784 */
1785
205f51d8
AS
1786#ifdef I_LIMITS
1787# include <limits.h>
20f6aaab
AS
1788#endif
1789
205f51d8
AS
1790#ifdef I_VALUES
1791# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1792# include <values.h>
1793# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1794# define DBL_MAX MAXDOUBLE
1795# endif
1796# if defined(MINDOUBLE) && !defined(DBL_MIN)
1797# define DBL_MIN MINDOUBLE
1798# endif
1799# endif
1800#endif /* defined(I_VALUES) */
1801
a22e52b9 1802typedef NVTYPE NV;
8175356b 1803
792d8dab
JH
1804#ifdef I_IEEEFP
1805# include <ieeefp.h>
1806#endif
923fc586 1807
65202027 1808#ifdef USE_LONG_DOUBLE
923fc586
JH
1809# ifdef I_SUNMATH
1810# include <sunmath.h>
1811# endif
2d4389e4 1812# define NV_DIG LDBL_DIG
d6c14000
JH
1813# ifdef LDBL_MANT_DIG
1814# define NV_MANT_DIG LDBL_MANT_DIG
1815# endif
06fc1729
JH
1816# ifdef LDBL_MIN
1817# define NV_MIN LDBL_MIN
1818# endif
1819# ifdef LDBL_MAX
1820# define NV_MAX LDBL_MAX
1821# endif
1822# ifdef LDBL_MIN_10_EXP
1823# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1824# endif
1825# ifdef LDBL_MAX_10_EXP
1826# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1827# endif
1828# ifdef LDBL_EPSILON
1829# define NV_EPSILON LDBL_EPSILON
1830# endif
f4a14a62
JH
1831# ifdef LDBL_MAX
1832# define NV_MAX LDBL_MAX
20f6aaab 1833/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1834# else
1835# ifdef HUGE_VALL
1836# define NV_MAX HUGE_VALL
1837# else
1838# ifdef HUGE_VAL
1839# define NV_MAX ((NV)HUGE_VAL)
1840# endif
1841# endif
1842# endif
68d4903c 1843# ifdef HAS_SQRTL
68d4903c
JH
1844# define Perl_cos cosl
1845# define Perl_sin sinl
1846# define Perl_sqrt sqrtl
1847# define Perl_exp expl
1848# define Perl_log logl
1849# define Perl_atan2 atan2l
1850# define Perl_pow powl
1851# define Perl_floor floorl
1bbae031 1852# define Perl_ceil ceill
68d4903c
JH
1853# define Perl_fmod fmodl
1854# endif
a3540c92
JH
1855/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1856# ifdef HAS_MODFL
1857# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1858/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1859 prototype in <math.h> */
1860# ifndef HAS_MODFL_PROTO
a221a8a5 1861EXTERN_C long double modfl(long double, long double *);
51997bc3 1862# endif
03476e8e
JH
1863# else
1864# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1865 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1866# define Perl_modf(x,y) Perl_my_modfl(x,y)
1867# endif
a3540c92
JH
1868# endif
1869# ifdef HAS_FREXPL
dff3e0b8 1870# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1871# else
1872# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1873 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1874# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1875# endif
a3540c92 1876# endif
38dbb4c5 1877# ifndef Perl_isnan
758a5d79
JH
1878# ifdef HAS_ISNANL
1879# define Perl_isnan(x) isnanl(x)
1880# endif
1881# endif
1882# ifndef Perl_isinf
1883# ifdef HAS_FINITEL
1884# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1885# endif
1886# endif
65202027 1887#else
2d4389e4 1888# define NV_DIG DBL_DIG
d6c14000
JH
1889# ifdef DBL_MANT_DIG
1890# define NV_MANT_DIG DBL_MANT_DIG
1891# endif
06fc1729
JH
1892# ifdef DBL_MIN
1893# define NV_MIN DBL_MIN
1894# endif
1895# ifdef DBL_MAX
1896# define NV_MAX DBL_MAX
1897# endif
1898# ifdef DBL_MIN_10_EXP
1899# define NV_MIN_10_EXP DBL_MIN_10_EXP
1900# endif
1901# ifdef DBL_MAX_10_EXP
1902# define NV_MAX_10_EXP DBL_MAX_10_EXP
1903# endif
1904# ifdef DBL_EPSILON
1905# define NV_EPSILON DBL_EPSILON
1906# endif
205f51d8 1907# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1908# define NV_MAX DBL_MAX
1909# define NV_MIN DBL_MIN
1910# else
1911# ifdef HUGE_VAL
1912# define NV_MAX HUGE_VAL
1913# endif
1914# endif
65202027
DS
1915# define Perl_cos cos
1916# define Perl_sin sin
1917# define Perl_sqrt sqrt
1918# define Perl_exp exp
1919# define Perl_log log
1920# define Perl_atan2 atan2
1921# define Perl_pow pow
1922# define Perl_floor floor
1bbae031 1923# define Perl_ceil ceil
65202027 1924# define Perl_fmod fmod
a3540c92 1925# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1926# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1927#endif
1928
1929/* rumor has it that Win32 has _fpclass() */
1930
205f51d8
AS
1931/* SGI has fpclassl... but not with the same result values,
1932 * and it's via a typedef (not via #define), so will need to redo Configure
1933 * to use. Not worth the trouble, IMO, at least until the below is used
1934 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1935 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1936 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1937
758a5d79
JH
1938#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1939# ifdef I_IEEFP
1940# include <ieeefp.h>
1941# endif
1942# ifdef I_FP
1943# include <fp.h>
1944# endif
1945# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1946# define Perl_fp_class() fpclassl(x)
1947# else
1948# define Perl_fp_class() fpclass(x)
1949# endif
1950# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1951# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1952# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1953# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1954# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1955# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1956# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1957# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1958# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1959# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1960# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1961# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1962# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1963# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1964# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1965#endif
1966
7114a2d2 1967#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1968# include <math.h>
1969# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1970# include <fp_class.h>
1971# endif
1972# define Perl_fp_class(x) fp_class(x)
1973# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1974# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1975# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1976# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1977# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1978# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1979# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1980# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1981# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1982# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1983# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1984# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1985# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1986# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1987# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1988#endif
1989
1990#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1991# include <math.h>
1992# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1993# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1994# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1995# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1996# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1997# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1998#endif
1999
2000#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2001# include <math.h>
2002# ifndef _cplusplus
2003# define Perl_fp_class(x) class(x)
2004# else
2005# define Perl_fp_class(x) _class(x)
2006# endif
2007# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2008# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2009# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2010# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2011# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2012# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2013# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2014# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2015# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2016# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2017# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2018# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2019# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2020# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2021# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2022#endif
2023
2024/* rumor has it that Win32 has _isnan() */
2025
2026#ifndef Perl_isnan
a3540c92 2027# ifdef HAS_ISNAN
758a5d79
JH
2028# define Perl_isnan(x) isnan((NV)x)
2029# else
2030# ifdef Perl_fp_class_nan
2031# define Perl_isnan(x) Perl_fp_class_nan(x)
2032# else
2033# ifdef HAS_UNORDERED
2034# define Perl_isnan(x) unordered((x), 0.0)
2035# else
2036# define Perl_isnan(x) ((x)!=(x))
2037# endif
2038# endif
2039# endif
2040#endif
2041
ca6c63e1
JH
2042#ifdef UNDER_CE
2043int isnan(double d);
2044#endif
2045
758a5d79
JH
2046#ifndef Perl_isinf
2047# ifdef HAS_ISINF
2048# define Perl_isinf(x) isinf((NV)x)
a3540c92 2049# else
758a5d79
JH
2050# ifdef Perl_fp_class_inf
2051# define Perl_isinf(x) Perl_fp_class_inf(x)
2052# else
2053# define Perl_isinf(x) ((x)==NV_INF)
2054# endif
2055# endif
2056#endif
2057
2058#ifndef Perl_isfinite
2059# ifdef HAS_FINITE
2060# define Perl_isfinite(x) finite((NV)x)
2061# else
2062# ifdef HAS_ISFINITE
2063# define Perl_isfinite(x) isfinite(x)
2064# else
2065# ifdef Perl_fp_class_finite
2066# define Perl_isfinite(x) Perl_fp_class_finite(x)
2067# else
2068# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2069# endif
2070# endif
a3540c92 2071# endif
65202027
DS
2072#endif
2073
a36244b7
JH
2074/* The default is to use Perl's own atof() implementation (in numeric.c).
2075 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2076 * it is however best to use the native implementation of atof.
2077 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2078 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2079 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2080 * you may need to be using a different function than atof! */
a36244b7
JH
2081
2082#ifndef USE_PERL_ATOF
2083# ifndef _UNICOS
2084# define USE_PERL_ATOF
2085# endif
2086#else
2087# if USE_PERL_ATOF == 0
2088# undef USE_PERL_ATOF
2089# endif
2090#endif
2091
2092#ifdef USE_PERL_ATOF
2093# define Perl_atof(s) Perl_my_atof(s)
2094# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2095#else
2096# define Perl_atof(s) (NV)atof(s)
2097# define Perl_atof2(s, n) ((n) = atof(s))
2098#endif
cf2093f6 2099
d460ef45 2100/* Previously these definitions used hardcoded figures.
760ac839
LW
2101 * It is hoped these formula are more portable, although
2102 * no data one way or another is presently known to me.
2103 * The "PERL_" names are used because these calculated constants
2104 * do not meet the ANSI requirements for LONG_MAX, etc., which
2105 * need to be constants acceptable to #if - kja
2106 * define PERL_LONG_MAX 2147483647L
2107 * define PERL_LONG_MIN (-LONG_MAX - 1)
2108 * define PERL ULONG_MAX 4294967295L
2109 */
2110
2111#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2112# include <limits.h>
760ac839 2113#endif
205f51d8
AS
2114/* Included values.h above if necessary; still including limits.h down here,
2115 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2116
99abf803
PP
2117/*
2118 * Try to figure out max and min values for the integral types. THE CORRECT
2119 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2120 * following hacks are used if neither limits.h or values.h provide them:
2121 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2122 * for types < int: (unsigned TYPE)~(unsigned)0
2123 * The argument to ~ must be unsigned so that later signed->unsigned
2124 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2125 * and it must not be smaller than int because ~ does integral promotion.
2126 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2127 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2128 * The latter is a hack which happens to work on some machines but
2129 * does *not* catch any random system, or things like integer types
2130 * with NaN if that is possible.
2131 *
2132 * All of the types are explicitly cast to prevent accidental loss of
2133 * numeric range, and in the hope that they will be less likely to confuse
2134 * over-eager optimizers.
2135 *
2136 */
27d4fb96 2137
99abf803
PP
2138#define PERL_UCHAR_MIN ((unsigned char)0)
2139
2140#ifdef UCHAR_MAX
2141# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2142#else
99abf803
PP
2143# ifdef MAXUCHAR
2144# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2145# else
99abf803 2146# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2147# endif
2148#endif
d460ef45 2149
99abf803
PP
2150/*
2151 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2152 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2153 * depending on local options. Until Configure detects this (or at least
2154 * detects whether the "signed" keyword is available) the CHAR ranges
2155 * will not be included. UCHAR functions normally.
2156 * - kja
2157 */
27d4fb96 2158
99abf803
PP
2159#define PERL_USHORT_MIN ((unsigned short)0)
2160
2161#ifdef USHORT_MAX
2162# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2163#else
99abf803
PP
2164# ifdef MAXUSHORT
2165# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2166# else
ef2f54b0
CB
2167# ifdef USHRT_MAX
2168# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2169# else
2170# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2171# endif
27d4fb96
PP
2172# endif
2173#endif
2174
27d4fb96 2175#ifdef SHORT_MAX
99abf803 2176# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2177#else
2178# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2179# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2180# else
ef2f54b0
CB
2181# ifdef SHRT_MAX
2182# define PERL_SHORT_MAX ((short)SHRT_MAX)
2183# else
2184# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2185# endif
27d4fb96
PP
2186# endif
2187#endif
2188
2189#ifdef SHORT_MIN
99abf803 2190# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2191#else
2192# ifdef MINSHORT
99abf803 2193# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2194# else
ef2f54b0
CB
2195# ifdef SHRT_MIN
2196# define PERL_SHORT_MIN ((short)SHRT_MIN)
2197# else
2198# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2199# endif
27d4fb96
PP
2200# endif
2201#endif
2202
99abf803
PP
2203#ifdef UINT_MAX
2204# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2205#else
99abf803
PP
2206# ifdef MAXUINT
2207# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2208# else
99abf803 2209# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2210# endif
2211#endif
2212
99abf803 2213#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2214
2215#ifdef INT_MAX
99abf803 2216# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2217#else
2218# ifdef MAXINT /* Often used in <values.h> */
99abf803 2219# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2220# else
99abf803 2221# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2222# endif
2223#endif
2224
2225#ifdef INT_MIN
99abf803 2226# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2227#else
2228# ifdef MININT
99abf803 2229# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2230# else
2231# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2232# endif
2233#endif
2234
99abf803
PP
2235#ifdef ULONG_MAX
2236# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2237#else
99abf803
PP
2238# ifdef MAXULONG
2239# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2240# else
99abf803 2241# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2242# endif
2243#endif
2244
99abf803 2245#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2246
760ac839 2247#ifdef LONG_MAX
99abf803 2248# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2249#else
2250# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2251# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2252# else
99abf803 2253# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2254# endif
2255#endif
2256
2257#ifdef LONG_MIN
99abf803 2258# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2259#else
2260# ifdef MINLONG
99abf803 2261# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2262# else
27d4fb96 2263# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2264# endif
2265#endif
2266
d7d93a81 2267#ifdef UV_IS_QUAD
99abf803 2268
99abf803 2269# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2270# define PERL_UQUAD_MIN ((UV)0)
99abf803 2271# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2272# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2273
79072805
LW
2274#endif
2275
22f7c9c9
JH
2276#ifdef MYMALLOC
2277# include "malloc_ctl.h"
2278#endif
2279
830247a4 2280struct RExC_state_t;
8e11feef 2281struct _reg_trie_data;
880b20b6 2282
ee0007ab 2283typedef MEM_SIZE STRLEN;
450a55e4 2284
598921a7
NC
2285#ifdef PERL_MAD
2286typedef struct token TOKEN;
2287typedef struct madprop MADPROP;
2288typedef struct nexttoken NEXTTOKE;
2289#endif
79072805
LW
2290typedef struct op OP;
2291typedef struct cop COP;
2292typedef struct unop UNOP;
2293typedef struct binop BINOP;
2294typedef struct listop LISTOP;
2295typedef struct logop LOGOP;
79072805
LW
2296typedef struct pmop PMOP;
2297typedef struct svop SVOP;
7934575e 2298typedef struct padop PADOP;
79072805 2299typedef struct pvop PVOP;
79072805
LW
2300typedef struct loop LOOP;
2301
cd1541b2
NC
2302typedef struct interpreter PerlInterpreter;
2303
d2b3f365
SS
2304/* Amdahl's <ksync.h> has struct sv */
2305/* SGI's <sys/sema.h> has struct sv */
2306#if defined(UTS) || defined(__sgi)
2307# define STRUCT_SV perl_sv
b8d3c5db
JH
2308#else
2309# define STRUCT_SV sv
2310#endif
2311typedef struct STRUCT_SV SV;
79072805
LW
2312typedef struct av AV;
2313typedef struct hv HV;
2314typedef struct cv CV;
378cc40b 2315typedef struct regexp REGEXP;
79072805 2316typedef struct gp GP;
0c30d9ec 2317typedef struct gv GV;
8990e307 2318typedef struct io IO;
c09156bb 2319typedef struct context PERL_CONTEXT;
79072805
LW
2320typedef struct block BLOCK;
2321
2322typedef struct magic MAGIC;
2323typedef struct xpv XPV;
2324typedef struct xpviv XPVIV;
ff68c719 2325typedef struct xpvuv XPVUV;
79072805
LW
2326typedef struct xpvnv XPVNV;
2327typedef struct xpvmg XPVMG;
2328typedef struct xpvlv XPVLV;
2329typedef struct xpvav XPVAV;
2330typedef struct xpvhv XPVHV;
2331typedef struct xpvgv XPVGV;
2332typedef struct xpvcv XPVCV;
2333typedef struct xpvbm XPVBM;
2334typedef struct xpvfm XPVFM;
8990e307 2335typedef struct xpvio XPVIO;
79072805
LW
2336typedef struct mgvtbl MGVTBL;
2337typedef union any ANY;
5f7fde29
GS
2338typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2339typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2340typedef struct clone_params CLONE_PARAMS;
2341
378cc40b 2342#include "handy.h"
a0d0e21e 2343
6b8eaf93 2344#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2345# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2346# define USE_64_BIT_RAWIO /* implicit */
2347# endif
4564133c
JH
2348#endif
2349
6b8eaf93
JH
2350/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2351 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2352 * however, because operating systems like to do that themself. */
2353#ifndef FSEEKSIZE
2354# ifdef HAS_FSEEKO
2355# define FSEEKSIZE LSEEKSIZE
2356# else
2357# define FSEEKSIZE LONGSIZE
d460ef45 2358# endif
6b8eaf93
JH
2359#endif
2360
2361#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2362# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2363# define USE_64_BIT_STDIO /* implicit */
2364# endif
2365#endif
4564133c 2366
09458382 2367#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2368# ifdef HAS_OFF64_T
2369# undef Off_t
2370# define Off_t off64_t
2371# undef LSEEKSIZE
2372# define LSEEKSIZE 8
5ff3f7a4 2373# endif
d9b3e12d
JH
2374/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2375 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2376 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2377# if defined(USE_OPEN64)
2378# define open open64
5ff3f7a4 2379# endif
d9b3e12d
JH
2380# if defined(USE_LSEEK64)
2381# define lseek lseek64
6b8eaf93
JH
2382# else
2383# if defined(USE_LLSEEK)
2384# define lseek llseek
2385# endif
d9b3e12d
JH
2386# endif
2387# if defined(USE_STAT64)
2388# define stat stat64
2389# endif
2390# if defined(USE_FSTAT64)
2391# define fstat fstat64
2392# endif
2393# if defined(USE_LSTAT64)
2394# define lstat lstat64
2395# endif
2396# if defined(USE_FLOCK64)
2397# define flock flock64
2398# endif
2399# if defined(USE_LOCKF64)
2400# define lockf lockf64
2401# endif
2402# if defined(USE_FCNTL64)
2403# define fcntl fcntl64
2404# endif
2405# if defined(USE_TRUNCATE64)
2406# define truncate truncate64
2407# endif
2408# if defined(USE_FTRUNCATE64)
2409# define ftruncate ftruncate64
2410# endif
2411#endif
2412
2413#ifdef USE_64_BIT_STDIO
2414# ifdef HAS_FPOS64_T
2415# undef Fpos_t
2416# define Fpos_t fpos64_t
2417# endif
2418/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2419 * will trigger defines like the ones below. Some 64-bit environments,
2420 * however, do not. */
2421# if defined(USE_FOPEN64)
2422# define fopen fopen64
2423# endif
2424# if defined(USE_FSEEK64)
6b8eaf93 2425# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2426# endif
2427# if defined(USE_FTELL64)
6b8eaf93 2428# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2429# endif
2430# if defined(USE_FSETPOS64)
2431# define fsetpos fsetpos64
2432# endif
2433# if defined(USE_FGETPOS64)
2434# define fgetpos fgetpos64
2435# endif
2436# if defined(USE_TMPFILE64)
2437# define tmpfile tmpfile64
2438# endif
2439# if defined(USE_FREOPEN64)
2440# define freopen freopen64
5ff3f7a4
GS
2441# endif
2442#endif
2443
af8b425d 2444#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2445# include "iperlsys.h"
2446#endif
2447
6f71a643 2448#if defined(__OPEN_VM)
19848b3f
JH
2449# include "vmesa/vmesaish.h"
2450# define ISHISH "vmesa"
6f71a643
JH
2451#endif
2452
748a9306 2453#ifdef DOSISH
19848b3f
JH
2454# if defined(OS2)
2455# include "os2ish.h"
2456# else
2457# include "dosish.h"
2458# endif
2459# define ISHISH "dos"
2460#endif
2461
2462#if defined(VMS)
748a9306 2463# include "vmsish.h"
96e176bf 2464# include "embed.h"
eb8433b7
NC
2465# ifndef PERL_MAD
2466# undef op_getmad
b3f24c00 2467# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2468# endif
19848b3f
JH
2469# define ISHISH "vms"
2470#endif
2471
2472#if defined(PLAN9)
2473# include "./plan9/plan9ish.h"
2474# define ISHISH "plan9"
2475#endif
2476
2477#if defined(MPE)
2478# include "mpeix/mpeixish.h"
2479# define ISHISH "mpeix"
2480#endif
2481
2482#if defined(__VOS__)
196918b0
PG
2483# ifdef __GNUC__
2484# include "./vos/vosish.h"
2485# else
2486# include "vos/vosish.h"
2487# endif
19848b3f
JH
2488# define ISHISH "vos"
2489#endif
2490
2491#if defined(EPOC)
2492# include "epocish.h"
2493# define ISHISH "epoc"
2494#endif
2495
9969cdde 2496#ifdef __SYMBIAN32__
27da23d5
JH
2497# include "symbian/symbianish.h"
2498# include "embed.h"
eb8433b7
NC
2499# ifndef PERL_MAD
2500# undef op_getmad
b3f24c00 2501# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2502# endif
27da23d5
JH
2503# define ISHISH "symbian"
2504#endif
2505
19848b3f
JH
2506#if defined(MACOS_TRADITIONAL)
2507# include "macos/macish.h"
2508# ifndef NO_ENVIRON_ARRAY
2509# define NO_ENVIRON_ARRAY
0c30d9ec 2510# endif
19848b3f
JH
2511# define ISHISH "macos classic"
2512#endif
2513
efca5cc6
JH
2514#if defined(__BEOS__)
2515# include "beos/beosish.h"
2516# define ISHISH "beos"
2517#endif
2518
19848b3f
JH
2519#ifndef ISHISH
2520# include "unixish.h"
2521# define ISHISH "unix"
13b6e58c
JH
2522#endif
2523
2946a158
JH
2524/* NSIG logic from Configure --> */
2525/* Strange style to avoid deeply-nested #if/#else/#endif */
2526#ifndef NSIG
2527# ifdef _NSIG
2528# define NSIG (_NSIG)
2529# endif
2530#endif
2531
2532#ifndef NSIG
2533# ifdef SIGMAX
2534# define NSIG (SIGMAX+1)
2535# endif
2536#endif
2537
2538#ifndef NSIG
2539# ifdef SIG_MAX
2540# define NSIG (SIG_MAX+1)
2541# endif
2542#endif
2543
2544#ifndef NSIG
2545# ifdef _SIG_MAX
2546# define NSIG (_SIG_MAX+1)
2547# endif
2548#endif
2549
2550#ifndef NSIG
2551# ifdef MAXSIG
2552# define NSIG (MAXSIG+1)
2553# endif
2554#endif
2555
2556#ifndef NSIG
2557# ifdef MAX_SIG
2558# define NSIG (MAX_SIG+1)
2559# endif
2560#endif
2561
2562#ifndef NSIG
2563# ifdef SIGARRAYSIZE
2564# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2565# endif
2566#endif
2567
2568#ifndef NSIG
2569# ifdef _sys_nsig
2570# define NSIG (_sys_nsig) /* Solaris 2.5 */
2571# endif
2572#endif
2573
2574/* Default to some arbitrary number that's big enough to get most
2575 of the common signals.
2576*/
2577#ifndef NSIG
2578# define NSIG 50
2579#endif
2580/* <-- NSIG logic from Configure */
2581
13b6e58c
JH
2582#ifndef NO_ENVIRON_ARRAY
2583# define USE_ENVIRON_ARRAY
2584#endif
32f822de 2585
c77b533b
JH
2586/*
2587 * initialise to avoid floating-point exceptions from overflow, etc
2588 */
2589#ifndef PERL_FPU_INIT
2590# ifdef HAS_FPSETMASK
2591# if HAS_FLOATINGPOINT_H
2592# include <floatingpoint.h>
2593# endif
7f7c3354 2594# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2595# else
2f42fcb0 2596# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2597# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2598# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2599# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2600# else
2601# define PERL_FPU_INIT
2f42fcb0 2602
7014c407 2603# endif
c77b533b
JH
2604# endif
2605#endif
b35112e7
CS
2606#ifndef PERL_FPU_PRE_EXEC
2607# define PERL_FPU_PRE_EXEC {
2608# define PERL_FPU_POST_EXEC }
2609#endif
c77b533b 2610
ed344e4f
IZ
2611#ifndef PERL_SYS_INIT3
2612# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2613#endif
2614
be708cc0
JH
2615#ifndef PERL_WRITE_MSG_TO_CONSOLE
2616# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2617#endif
2618
0f31cffe
GS
2619#ifndef MAXPATHLEN
2620# ifdef PATH_MAX
b990c8b2
JH
2621# ifdef _POSIX_PATH_MAX
2622# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2623/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2624 * included the null byte or not. Later amendments of POSIX,
2625 * XPG4, the Austin Group, and the Single UNIX Specification
2626 * all explicitly include the null byte in the PATH_MAX.
2627 * Ditto for _POSIX_PATH_MAX. */
2628# define MAXPATHLEN PATH_MAX
b990c8b2 2629# else
09448d78 2630# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2631# endif
2632# else
2633# define MAXPATHLEN (PATH_MAX+1)
2634# endif
0f31cffe 2635# else
b990c8b2 2636# ifdef _POSIX_PATH_MAX
09448d78 2637# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2638# else
2639# define MAXPATHLEN 1024 /* Err on the large side. */
2640# endif
0f31cffe
GS
2641# endif
2642#endif
2643
c80263a8
SH
2644/* In case Configure was not used (we are using a "canned config"
2645 * such as Win32, or a cross-compilation setup, for example) try going
2646 * by the gcc major and minor versions. One useful URL is
2647 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2648 * but contrary to this information warn_unused_result seems
2649 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2650 * Also, when building extensions with an installed perl, this allows
2651 * the user to upgrade gcc and get the right attributes, rather than
2652 * relying on the list generated at Configure time. --AD
c80263a8
SH
2653 * Set these up now otherwise we get confused when some of the <*thread.h>
2654 * includes below indirectly pull in <perlio.h> (which needs to know if we
2655 * have HASATTRIBUTE_FORMAT).
2656 */
2657
fc2007d4 2658#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2659# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2660# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2661# if defined __MINGW32__
2662# define PRINTF_FORMAT_NULL_OK
2663# endif
c80263a8
SH
2664# endif
2665# if __GNUC__ >= 3 /* 3.0 -> */
2666# define HASATTRIBUTE_MALLOC
2667# endif
2668# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2669# define HASATTRIBUTE_NONNULL
2670# endif
2671# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2672# define HASATTRIBUTE_NORETURN
2673# endif
2674# if __GNUC__ >= 3 /* gcc 3.0 -> */
2675# define HASATTRIBUTE_PURE
2676# endif
42bf5550 2677# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2678# define HASATTRIBUTE_UNUSED
2679# endif
d324fe49
AD
2680# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2681# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2682# endif
c80263a8
SH
2683# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2684# define HASATTRIBUTE_WARN_UNUSED_RESULT
2685# endif
2686#endif
2687
3db8f154 2688/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2689 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2690 * this results in many functions being undeclared which bothers C++
2691 * May make sense to have threads after "*ish.h" anyway
2692 */
2693
3db8f154 2694#if defined(USE_ITHREADS)
2986a63f
JH
2695# ifdef NETWARE
2696# include <nw5thread.h>
2697# else
32f822de
GS
2698# ifdef FAKE_THREADS
2699# include "fakethr.h"
2700# else
2701# ifdef WIN32
2702# include <win32thread.h>
2703# else
dd96f567
IZ
2704# ifdef OS2
2705# include "os2thread.h"
2706# else
7f3d1cf1 2707# ifdef I_MACH_CTHREADS
bdd66968 2708# include <mach/cthreads.h>
8f1f23e8 2709# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2710# define MUTEX_INIT_CALLS_MALLOC
2711# endif
7f3d1cf1
BH
2712typedef cthread_t perl_os_thread;
2713typedef mutex_t perl_mutex;
2714typedef condition_t perl_cond;
2715typedef void * perl_key;
2716# else /* Posix threads */
1f5ae88c
JH
2717# ifdef I_PTHREAD
2718# include <pthread.h>
2719# endif
7f3d1cf1
BH
2720typedef pthread_t perl_os_thread;
2721typedef pthread_mutex_t perl_mutex;
2722typedef pthread_cond_t perl_cond;
2723typedef pthread_key_t perl_key;
2724# endif /* I_MACH_CTHREADS */
dd96f567 2725# endif /* OS2 */
32f822de
GS
2726# endif /* WIN32 */
2727# endif /* FAKE_THREADS */
2986a63f 2728#endif /* NETWARE */
3db8f154 2729#endif /* USE_ITHREADS */
c5be433b 2730
66a93824 2731#if defined(WIN32)
1feb2720 2732# include "win32.h"
c5be433b
GS
2733#endif
2734
2986a63f
JH
2735#ifdef NETWARE
2736# include "netware.h"
2737#endif
2738
e5218da5 2739#define STATUS_UNIX PL_statusvalue
68dc0745 2740#ifdef VMS
6b88bc9c 2741# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2742/*
2743 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2744 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2745 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2746 * be updated also.
2747 */
2748# include <stsdef.h>
2749# include <ssdef.h>
2750/* Presume this because if VMS changes it, it will require a new
2751 * set of APIs for waiting on children for binary compatibility.
2752 */
2753# define child_offset_bits (8)
2754# ifndef C_FAC_POSIX
2755# define C_FAC_POSIX 0x35A000
2756# endif
2757
2758/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2759 * platform from the existing UNIX or Native status values.
2760 */
2761
37038d91 2762# define STATUS_EXIT \
7a7fd8e0
JM
2763 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2764 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2765
7a7fd8e0 2766
fb38d079
JM
2767/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2768 * exit code and shifts the UNIX value over the correct number of bits to
2769 * be a child status. Usually the number of bits is 8, but that could be
2770 * platform dependent. The NATIVE status code is presumed to have either
2771 * from a child process.
7a7fd8e0
JM
2772 */
2773
fb38d079
JM
2774/* This is complicated. The child processes return a true native VMS
2775 status which must be saved. But there is an assumption in Perl that
2776 the UNIX child status has some relationship to errno values, so
2777 Perl tries to translate it to text in some of the tests.
2778 In order to get the string translation correct, for the error, errno
2779 must be EVMSERR, but that generates a different text message
2780 than what the test programs are expecting. So an errno value must
2781 be derived from the native status value when an error occurs.
2782 That will hide the true native status message. With this version of
2783 perl, the true native child status can always be retrieved so that
2784 is not a problem. But in this case, Pl_statusvalue and errno may
2785 have different values in them.
2786 */
7a7fd8e0 2787
fb38d079 2788# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2789 STMT_START { \
2fbb330f
JM
2790 I32 evalue = (I32)n; \
2791 if (evalue == EVMSERR) { \
2792 PL_statusvalue_vms = vaxc$errno; \
2793 PL_statusvalue = evalue; \
7a7fd8e0 2794 } else { \
2fbb330f 2795 PL_statusvalue_vms = evalue; \
fb38d079 2796 if (evalue == -1) { \
3280af22 2797 PL_statusvalue = -1; \
7a7fd8e0
JM
2798 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2799 } else \
fb38d079 2800 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2801 set_vaxc_errno(evalue); \
fb38d079
JM
2802 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2803 set_errno(EVMSERR); \
2804 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2805 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2806 } \
68dc0745 2807 } STMT_END
7a7fd8e0 2808
68dc0745 2809# ifdef VMSISH_STATUS
e5218da5 2810# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2811# else
e5218da5 2812# define STATUS_CURRENT STATUS_UNIX
68dc0745 2813# endif
7a7fd8e0
JM
2814
2815 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2816 * the NATIVE status to an equivalent value. Can not be used to translate
2817 * exit code values as exit code values are not guaranteed to have any
2818 * relationship at all to errno values.
2819 * This is used when Perl is forcing errno to have a specific value.
2820 */
e5218da5 2821# define STATUS_UNIX_SET(n) \
68dc0745 2822 STMT_START { \
7a7fd8e0 2823 I32 evalue = (I32)n; \
0968cdad 2824 PL_statusvalue = evalue; \
3280af22 2825 if (PL_statusvalue != -1) { \
0968cdad
JM
2826 if (PL_statusvalue != EVMSERR) { \
2827 PL_statusvalue &= 0xFFFF; \
2828 if (MY_POSIX_EXIT) \
2829 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2830 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2831 } \
2832 else { \
2833 PL_statusvalue_vms = vaxc$errno; \
2834 } \
68dc0745 2835 } \
0968cdad
JM
2836 else PL_statusvalue_vms = SS$_ABORT; \
2837 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2838 } STMT_END
2839
2840 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2841 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2842 * the UNIX/POSIX exit codes have any relationship to errno, except
2843 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2844 * with the Perl VMS documentation, any other code sets the NATIVE
2845 * status to a failure code of SS$_ABORT.
fb38d079
JM
2846 *
2847 * In the new POSIX EXIT mode, native status will be set so that the
2848 * actual exit code will can be retrieved by the calling program or
2849 * shell.
2850 *
2851 * If the exit code is not clearly a UNIX parent or child exit status,
2852 * it will be passed through as a VMS status.
7a7fd8e0
JM
2853 */
2854
fb38d079 2855# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2856 STMT_START { \
2857 I32 evalue = (I32)n; \
2858 PL_statusvalue = evalue; \
fb38d079
JM
2859 if (evalue != -1) { \
2860 if (evalue <= 0xFF00) { \
2861 if (evalue > 0xFF) \
2862 evalue = (evalue >> child_offset_bits) & 0xFF; \
2863 if (evalue == 0) \
2864 PL_statusvalue_vms == SS$_NORMAL; \
2865 else \
2866 if (MY_POSIX_EXIT) \
2867 PL_statusvalue_vms = \
2868 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2869 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2870 else \
6ac6a52b 2871 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2872 } else { /* forgive them Perl, for they have sinned */ \
2873 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2874 else PL_statusvalue_vms = vaxc$errno; \
2875 /* And obviously used a VMS status value instead of UNIX */ \
2876 PL_statusvalue = EVMSERR; \
2877 } \
7a7fd8e0
JM
2878 } \
2879 else PL_statusvalue_vms = SS$_ABORT; \
2880 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2881 } STMT_END
fb38d079 2882
6ac6a52b
JM
2883 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2884 * and sets the NATIVE error status based on it. This special case
2885 * is needed to maintain compatibility with past VMS behavior.
2886 *
2887 * In the default mode on VMS, this number is passed through as
2888 * both the NATIVE and UNIX status. Which makes it different
2889 * that the STATUS_UNIX_EXIT_SET.
2890 *
2891 * In the new POSIX EXIT mode, native status will be set so that the
2892 * actual exit code will can be retrieved by the calling program or
2893 * shell.
2894 *
2895 */
2896
2897# define STATUS_EXIT_SET(n) \
2898 STMT_START { \
2899 I32 evalue = (I32)n; \
2900 PL_statusvalue = evalue; \
2901 if (MY_POSIX_EXIT) \
2902 PL_statusvalue_vms = \
2903 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2904 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2905 else \
2906 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2907 set_vaxc_errno(PL_statusvalue_vms); \
2908 } STMT_END
2909
fb38d079
JM
2910
2911 /* This macro forces a success status */
7a7fd8e0
JM
2912# define STATUS_ALL_SUCCESS \
2913 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2914
2915 /* This macro forces a failure status */
7a7fd8e0
JM
2916# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2917 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2918 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2919
68dc0745 2920#else
e5218da5 2921# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2922# if defined(WCOREDUMP)
37038d91 2923# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2924 STMT_START { \
2925 PL_statusvalue_posix = (n); \
2926 if (PL_statusvalue_posix == -1) \
2927 PL_statusvalue = -1; \
2928 else { \
2929 PL_statusvalue = \
2930 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2931 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2932 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2933 } \
2934 } STMT_END
2935# elif defined(WIFEXITED)
37038d91 2936# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2937 STMT_START { \
2938 PL_statusvalue_posix = (n); \
2939 if (PL_statusvalue_posix == -1) \
2940 PL_statusvalue = -1; \
2941 else { \
2942 PL_statusvalue = \
2943 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2944 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2945 } \
2946 } STMT_END
2947# else
37038d91 2948# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2949 STMT_START { \
2950 PL_statusvalue_posix = (n); \
2951 if (PL_statusvalue_posix == -1) \
2952 PL_statusvalue = -1; \
2953 else { \
2954 PL_statusvalue = \
2955 PL_statusvalue_posix & 0xFFFF; \
2956 } \
2957 } STMT_END
2958# endif
2959# define STATUS_UNIX_SET(n) \
68dc0745 2960 STMT_START { \
3280af22
NIS
2961 PL_statusvalue = (n); \
2962 if (PL_statusvalue != -1) \
2963 PL_statusvalue &= 0xFFFF; \
68dc0745 2964 } STMT_END
7a7fd8e0 2965# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2966# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2967# define STATUS_CURRENT STATUS_UNIX
37038d91 2968# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2969# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2970# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2971#endif
2972
cc3604b1
GS
2973/* flags in PL_exit_flags for nature of exit() */
2974#define PERL_EXIT_EXPECTED 0x01
31d77e54 2975#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2976
0b94c7bb 2977#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2978# define MEMBER_TO_FPTR(name) name
2979#endif
2980
2981/* format to use for version numbers in file/directory names */
273cf8d1 2982/* XXX move to Configure? */
a7cb1f99 2983#ifndef PERL_FS_VER_FMT
273cf8d1 2984# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2985#endif
2986
45bc9206 2987/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2988 * performance issue, so we allow people to disable it. Also, if
2989 * we are using stdio, there are broken implementations of fflush(NULL)
2990 * out there, Solaris being the most prominent.
45bc9206
GS
2991 */
2992#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2993# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2994# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2995# else
2996# ifdef FFLUSH_ALL
2997# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2998# else
c5be433b 2999# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3000# endif
66fe083f 3001# endif
45bc9206
GS
3002#endif
3003
7766f137
GS
3004#ifndef PERL_WAIT_FOR_CHILDREN
3005# define PERL_WAIT_FOR_CHILDREN NOOP
3006#endif
3007
ba869deb 3008/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3009#ifndef PERL_SET_INTERP
3010# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3011#endif
3012
3013#ifndef PERL_GET_INTERP
3014# define PERL_GET_INTERP (PL_curinterp)
3015#endif
3016
54aff467 3017#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3018# ifdef MULTIPLICITY
ba869deb 3019# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3020# endif
ba869deb
GS
3021# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3022#endif
3023
8896765a
RB
3024/*
3025 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3026 All that is required is that the perl source does not
8896765a
RB
3027 use "%-p" or "%-<number>p" or "%<number>p" formats.
3028 These formats will still work in perl code.
3029 See comments in sv.c for futher details.
3030
3031 -DvdNUMBER=<number> can be used to redefine VDf
3032
3033 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3034 which works properly but gives compiler warnings
3035
3036 Robin Barker 2005-07-14
0dbb1585 3037*/
8896765a
RB
3038
3039#ifndef SVf_
63ce7bf0 3040# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3041#endif
3042
8896765a 3043#ifndef SVf
104abab4 3044# define SVf "-p"
d2560b70
RB
3045#endif
3046
014ead4b 3047#ifndef SVf32
8896765a 3048# define SVf32 SVf_(32)
014ead4b
RB
3049#endif
3050
3051#ifndef SVf256
8896765a
RB
3052# define SVf256 SVf_(256)
3053#endif
3054
be2597df
MHM
3055#define SVfARG(p) ((void*)(p))
3056
8896765a
RB
3057#ifndef vdNUMBER
3058# define vdNUMBER 1
3059#endif
3060
3061#ifndef VDf
3062# if vdNUMBER
63ce7bf0 3063# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3064# else
3065# define VDf "vd"
3066# endif
014ead4b 3067#endif
170cd9e9
NC
3068
3069#ifdef PERL_CORE
f5992bc4 3070/* not used; but needed for backward compatibilty with XS code? - RMB */
170cd9e9
NC
3071# ifndef UVf
3072# define UVf UVuf
3073# endif
3074#else
3075# undef UVf
d2560b70
RB
3076#endif
3077
0dbb1585
AL
3078#ifdef HASATTRIBUTE_FORMAT
3079# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3080#endif
3081#ifdef HASATTRIBUTE_MALLOC
77785eea 3082# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3083#endif
0dbb1585 3084#ifdef HASATTRIBUTE_NONNULL
abb2c242 3085# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3086#endif
0dbb1585 3087#ifdef HASATTRIBUTE_NORETURN
abb2c242 3088# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3089#endif
0dbb1585 3090#ifdef HASATTRIBUTE_PURE
abb2c242 3091# define __attribute__pure__ __attribute__((pure))
f22be1b8 3092#endif
0dbb1585
AL
3093#ifdef HASATTRIBUTE_UNUSED
3094# define __attribute__unused__ __attribute__((unused))
3095#endif
3096#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3097# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3098#endif
3099
0dbb1585
AL
3100/* If we haven't defined the attributes yet, define them to blank. */
3101#ifndef __attribute__format__
3102# define __attribute__format__(x,y,z)
3103#endif
f22be1b8 3104#ifndef __attribute__malloc__
abb2c242 3105# define __attribute__malloc__
f22be1b8
JH
3106#endif
3107#ifndef __attribute__nonnull__
abb2c242 3108# define __attribute__nonnull__(a)
f22be1b8
JH
3109#endif
3110#ifndef __attribute__noreturn__
abb2c242 3111# define __attribute__noreturn__
f22be1b8
JH
3112#endif
3113#ifndef __attribute__pure__
abb2c242 3114# define __attribute__pure__
f22be1b8 3115#endif
0dbb1585
AL
3116#ifndef __attribute__unused__
3117# define __attribute__unused__
3118#endif
f22be1b8 3119#ifndef __attribute__warn_unused_result__
abb2c242
JH
3120# define __attribute__warn_unused_result__
3121#endif
3122
0dbb1585
AL
3123/* For functions that are marked as __attribute__noreturn__, it's not
3124 appropriate to call return. In either case, include the lint directive.
3125 */
3126#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3127# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3128#else
b37c2d43 3129# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3130#endif
3131
cdfeb707
RB
3132/* Some OS warn on NULL format to printf */
3133#ifdef PRINTF_FORMAT_NULL_OK
3134# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3135#else
3136# define __attribute__format__null_ok__(x,y,z)
3137#endif
3138
635aebb7 3139#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3140# define EXPECT(expr,val) __builtin_expect(expr,val)
3141#else
3142# define EXPECT(expr,val) (expr)
3143#endif
3144#define LIKELY(cond) EXPECT(cond,1)
3145#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3146#ifdef HAS_BUILTIN_CHOOSE_EXPR
3147/* placeholder */
3148#endif
b37c2d43 3149
3fc1aec6
PP
3150/* Some unistd.h's give a prototype for pause() even though
3151 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3152 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3153*/
3154#ifdef HAS_PAUSE
3155#define Pause pause
3156#else
3157#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3158#endif
3159
3160#ifndef IOCPARM_LEN
3161# ifdef IOCPARM_MASK
61f1c44b 3162 /* on BSDish systems we're safe */
748a9306
LW
3163# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3164# else
61f1c44b 3165# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3166 /* on Linux systems we're safe; except when we're not [perl #38223] */
3167# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3168# else
748a9306 3169 /* otherwise guess at what's safe */
61f1c44b
JVD
3170# define IOCPARM_LEN(x) 256
3171# endif
748a9306 3172# endif
a0d0e21e
LW
3173#endif
3174
1761cee5 3175#if defined(__CYGWIN__)
521e0776
GS
3176/* USEMYBINMODE
3177 * This symbol, if defined, indicates that the program should
16fe6d59 3178 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3179 * that a file is in "binary" mode -- that is, that no translation
3180 * of bytes occurs on read or write operations.
3181 */
36894f0b 3182# define USEMYBINMODE /**/
77a40698 3183# include <io.h> /* for setmode() prototype */
16fe6d59 3184# define my_binmode(fp, iotype, mode) \
77a40698 3185 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3186#endif
3187
88d10794
JH
3188#ifdef __CYGWIN__
3189void init_os_extras(void);
3190#endif
3191
cea2e8a9
GS
3192#ifdef UNION_ANY_DEFINITION
3193UNION_ANY_DEFINITION;
3194#else
3195union any {
3196 void* any_ptr;
3197 I32 any_i32;
3198 IV any_iv;
3199 long any_long;
9febdf04 3200 bool any_bool;
c76ac1ee 3201 void (*any_dptr) (void*);
acfe0abc 3202 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3203};
3204#endif
3205
acfe0abc 3206typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3207
3208#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3209#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3210#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3211
c5078cac
JH
3212#if defined(_AIX) && !defined(_AIX43)
3213#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3214/* We cannot include <crypt.h> to get the struct crypt_data
3215 * because of setkey prototype problems when threading */
3216typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3217 /* From OSF, Not needed in AIX
3218 char C[28], D[28];
3219 */
3220 char E[48];
3221 char KS[16][48];
3222 char block[66];
3223 char iobuf[16];
3224} CRYPTD;
3225#endif /* threading */
3226#endif /* AIX */
3227
af8b425d 3228#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3229# include "iperlsys.h"
3230#endif
504f80c1 3231
d10dc2ae
JH
3232/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3233 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3234 * defined by Configure, despite their names being similar to the
3235 * other defines like USE_ITHREADS. Configure in fact knows nothing
3236 * about the randomised hashes. Therefore to enable/disable the hash
3237 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3238#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3239# define USE_HASH_SEED
504f80c1
JH
3240#endif
3241
598921a7
NC
3242/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3243 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3244 * it's not really needed.
3245 */
3246#if defined(WIN32)
3247# define YYTOKENTYPE
3248#endif
3249#include "perly.h"
3250
3251#ifdef PERL_MAD
3252struct nexttoken {
3253 YYSTYPE next_val; /* value of next token, if any */
3254 I32 next_type; /* type of next token */
3255 MADPROP *next_mad; /* everything else about that token */
3256};
3257#endif
3258
378cc40b 3259#include "regexp.h"
79072805 3260#include "sv.h"
378cc40b 3261#include "util.h"
8d063cd8 3262#include "form.h"
79072805 3263#include "gv.h"
dd2155a4 3264#include "pad.h"
79072805 3265#include "cv.h"
abdd5c84 3266#include "opnames.h"
79072805 3267#include "op.h"
b3ca2e83 3268#include "hv.h"
79072805
LW
3269#include "cop.h"
3270#include "av.h"
79072805
LW
3271#include "mg.h"
3272#include "scope.h"
4438c4b7 3273#include "warnings.h"
a0ed51b3 3274#include "utf8.h"
8d063cd8 3275
7fae4e64
GS
3276
3277typedef struct _sublex_info SUBLEXINFO;
3278struct _sublex_info {
3279 I32 super_state; /* lexer state to save */
3280 I32 sub_inwhat; /* "lex_inwhat" to use */
3281 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3282 char *super_bufptr; /* PL_bufptr that was */
3283 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3284};
3285
199e78b7
DM
3286#include "parser.h"
3287
455ece5e 3288typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3289
2c2d71f5 3290struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3291struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3292
6f51351d
NC
3293/* Keep next first in this structure, because sv_free_arenas take
3294 advantage of this to share code between the pte arenas and the SV
3295 body arenas */
5f7fde29
GS
3296struct ptr_tbl_ent {
3297 struct ptr_tbl_ent* next;
53c1dcc0 3298 const void* oldval;
5f7fde29 3299 void* newval;
d18c6117
GS
3300};
3301
5f7fde29
GS
3302struct ptr_tbl {
3303 struct ptr_tbl_ent** tbl_ary;
3304 UV tbl_max;
3305 UV tbl_items;
d18c6117
GS
3306};
3307
450a55e4 3308#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3309# define I286
3310#endif
3311
fe14fcc3
LW
3312#if defined(htonl) && !defined(HAS_HTONL)
3313#define HAS_HTONL
ae986130 3314#endif
fe14fcc3
LW
3315#if defined(htons) && !defined(HAS_HTONS)
3316#define HAS_HTONS
ae986130 3317#endif
fe14fcc3
LW
3318#if defined(ntohl) && !defined(HAS_NTOHL)
3319#define HAS_NTOHL
ae986130 3320#endif
fe14fcc3
LW
3321#if defined(ntohs) && !defined(HAS_NTOHS)
3322#define HAS_NTOHS
ae986130 3323#endif
fe14fcc3 3324#ifndef HAS_HTONL
d9d8d8de 3325#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3326#define HAS_HTONS
3327#define HAS_HTONL
3328#define HAS_NTOHS
3329#define HAS_NTOHL
a687059c
LW
3330#define MYSWAP
3331#define htons my_swap
3332#define htonl my_htonl
3333#define ntohs my_swap
3334#define ntohl my_ntohl
3335#endif
3336#else
d9d8d8de 3337#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3338#undef HAS_HTONS
3339#undef HAS_HTONL
3340#undef HAS_NTOHS
3341#undef HAS_NTOHL
a687059c
LW
3342#endif
3343#endif
3344
988174c1
LW
3345/*
3346 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3347 * -DWS
3348 */
3349#if BYTEORDER != 0x1234
3350# define HAS_VTOHL
3351# define HAS_VTOHS
3352# define HAS_HTOVL
3353# define HAS_HTOVS
c67712b2 3354# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3355# define vtohl(x) ((((x)&0xFF)<<24) \
3356 +(((x)>>24)&0xFF) \
3357 +(((x)&0x0000FF00)<<8) \
3358 +(((x)&0x00FF0000)>>8) )
3359# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3360# define htovl(x) vtohl(x)
3361# define htovs(x) vtohs(x)
3362# endif
3363 /* otherwise default to functions in util.c */
2a8c3029 3364#ifndef htovs
c623ac67
GS
3365short htovs(short n);
3366short vtohs(short n);
3367long htovl(long n);
3368long vtohl(long n);
988174c1 3369#endif
2a8c3029 3370#endif
988174c1 3371
3bb7c1b4
JH
3372/* *MAX Plus 1. A floating point value.
3373 Hopefully expressed in a way that dodgy floating point can't mess up.
3374 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3375 is added to it
3376 May find that some broken compiler will want the value cast to I32.
3377 [after the shift, as signed >> may not be as secure as unsigned >>]
3378*/
3379#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3380#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3381/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3382 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3383 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3384*/
3385#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3386
3bb7c1b4
JH
3387#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3388#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3389#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3390
3391/* This may look like unnecessary jumping through hoops, but converting
3392 out of range floating point values to integers *is* undefined behaviour,
3393 and it is starting to bite.
3394*/
3395#ifndef CAST_INLINE
65202027 3396#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3397#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3398#define I_V(what) (cast_iv((NV)(what)))
3399#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3400#else
3401#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3402 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3403 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3404#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3405 : ((n) < U32_MAX_P1 ? (U32) (n) \
3406 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3407#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3408 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3409 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3410#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3411 : ((n) < UV_MAX_P1 ? (UV) (n) \
3412 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3413#endif
3414
3415#define U_S(what) ((U16)U_32(what))
3416#define U_I(what) ((unsigned int)U_32(what))
3417#define U_L(what) U_32(what)
ed6116ce 3418
ed140128
AD
3419#ifdef HAS_SIGNBIT
3420# define Perl_signbit signbit
3421#endif
3422
2d4389e4
JH
3423/* These do not care about the fractional part, only about the range. */
3424#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3425#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3426
25da4f38
IZ
3427/* Used with UV/IV arguments: */
3428 /* XXXX: need to speed it up */
3429#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3430#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3431
352d5a3a
LW
3432#ifndef MAXSYSFD
3433# define MAXSYSFD 2
3434#endif
ee0007ab 3435
79072805 3436#ifndef __cplusplus
27da23d5 3437#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3438Uid_t getuid (void);
3439Uid_t geteuid (void);
3440Gid_t getgid (void);
3441Gid_t getegid (void);
79072805 3442#endif
e1caacb4 3443#endif
8d063cd8 3444
0c30d9ec 3445#ifndef Perl_debug_log
bf49b057
GS
3446# define Perl_debug_log PerlIO_stderr()
3447#endif
3448
3449#ifndef Perl_error_log
3450# define Perl_error_log (PL_stderrgv \
6b78add2 3451 && isGV(PL_stderrgv) \
01bb7c6d 3452 && GvIOp(PL_stderrgv) \
42de951c 3453 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3454 ? IoOFP(GvIOp(PL_stderrgv)) \
3455 : PerlIO_stderr())
0c30d9ec 3456#endif
3967c732 3457
aea4f609
DM
3458
3459#define DEBUG_p_FLAG 0x00000001 /* 1 */
3460#define DEBUG_s_FLAG 0x00000002 /* 2 */
3461#define DEBUG_l_FLAG 0x00000004 /* 4 */
3462#define DEBUG_t_FLAG 0x00000008 /* 8 */
3463#define DEBUG_o_FLAG 0x00000010 /* 16 */
3464#define DEBUG_c_FLAG 0x00000020 /* 32 */
3465#define DEBUG_P_FLAG 0x00000040 /* 64 */
3466#define DEBUG_m_FLAG 0x00000080 /* 128 */
3467#define DEBUG_f_FLAG 0x00000100 /* 256 */
3468#define DEBUG_r_FLAG 0x00000200 /* 512 */
3469#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3470#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3471/* U is reserved for Unofficial, exploratory hacking */
3472#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3473#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3474#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3475#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3476#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3477#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3478#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3479#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3480#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3481#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3482#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3483#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3484#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3485
3486#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3487#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3488 that something was done? */
aea4f609 3489
bd16a5f0
IZ
3490# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3491# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3492# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3493# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3494# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3495# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3496# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3497# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3498# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3499# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3500# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3501# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3502# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3503# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3504# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3505# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3506# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3507# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3508# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3509# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3510# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3511# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3512# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3513# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3514# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3515
3967c732 3516#ifdef DEBUGGING
aea4f609 3517
bd16a5f0
IZ
3518# define DEBUG_p_TEST DEBUG_p_TEST_
3519# define DEBUG_s_TEST DEBUG_s_TEST_
3520# define DEBUG_l_TEST DEBUG_l_TEST_
3521# define DEBUG_t_TEST DEBUG_t_TEST_
3522# define DEBUG_o_TEST DEBUG_o_TEST_
3523# define DEBUG_c_TEST DEBUG_c_TEST_
3524# define DEBUG_P_TEST DEBUG_P_TEST_
3525# define DEBUG_m_TEST DEBUG_m_TEST_
3526# define DEBUG_f_TEST DEBUG_f_TEST_
3527# define DEBUG_r_TEST DEBUG_r_TEST_
3528# define DEBUG_x_TEST DEBUG_x_TEST_
3529# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3530# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3531# define DEBUG_H_TEST DEBUG_H_TEST_
3532# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3533# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3534# define DEBUG_D_TEST DEBUG_D_TEST_
3535# define DEBUG_S_TEST DEBUG_S_TEST_
3536# define DEBUG_T_TEST DEBUG_T_TEST_
3537# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3538# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3539# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3540# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3541# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3542# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3543
488b0c7a
JH
3544# define PERL_DEB(a) a
3545# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3546# define DEBUG_p(a) if (DEBUG_p_TEST) a
3547# define DEBUG_s(a) if (DEBUG_s_TEST) a
3548# define DEBUG_l(a) if (DEBUG_l_TEST) a
3549# define DEBUG_t(a) if (DEBUG_t_TEST) a
3550# define DEBUG_o(a) if (DEBUG_o_TEST) a
3551# define DEBUG_c(a) if (DEBUG_c_TEST) a
3552# define DEBUG_P(a) if (DEBUG_P_TEST) a
3553
969058bb
VK
3554 /* Temporarily turn off memory debugging in case the a
3555 * does memory allocation, either directly or indirectly. */
acfe0abc 3556# define DEBUG_m(a) \
0b250b9e 3557 STMT_START { \
aea4f609 3558 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3559 } STMT_END
aea4f609 3560
5f80b19c
AMS
3561# define DEBUG__(t, a) \
3562 STMT_START { \
3563 if (t) STMT_START {a;} STMT_END; \
3564 } STMT_END
3565
3566# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3567#ifndef PERL_EXT_RE_BUILD
5f80b19c 3568# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3569#else
3570# define DEBUG_r(a) STMT_START {a;} STMT_END
3571#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3572# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3573# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3574# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3575# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3576# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3577# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3578# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3579
3db8f154 3580# define DEBUG_S(a)
aea4f609 3581
5f80b19c
AMS
3582# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3583# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3584# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3585# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3586# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3587# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3588
3589#else /* DEBUGGING */
3590
3591# define DEBUG_p_TEST (0)
3592# define DEBUG_s_TEST (0)
3593# define DEBUG_l_TEST (0)
3594# define DEBUG_t_TEST (0)
3595# define DEBUG_o_TEST (0)
3596# define DEBUG_c_TEST (0)
3597# define DEBUG_P_TEST (0)
3598# define DEBUG_m_TEST (0)
3599# define DEBUG_f_TEST (0)
3600# define DEBUG_r_TEST (0)
3601# define DEBUG_x_TEST (0)
3602# define DEBUG_u_TEST (0)
88d2d28a 3603# define DEBUG_U_TEST (0)
aea4f609
DM
3604# define DEBUG_H_TEST (0)
3605# define DEBUG_X_TEST (0)
dd2155a4 3606# define DEBUG_Xv_TEST (0)
aea4f609
DM
3607# define DEBUG_D_TEST (0)
3608# define DEBUG_S_TEST (0)
3609# define DEBUG_T_TEST (0)
04932ac8 3610# define DEBUG_R_TEST (0)
1045810a 3611# define DEBUG_J_TEST (0)
d6721266 3612# define DEBUG_v_TEST (0)
46187eeb 3613# define DEBUG_C_TEST (0)
ecae49c0
NC
3614# define DEBUG_A_TEST (0)
3615# define DEBUG_q_TEST (0)
aea4f609 3616
488b0c7a
JH
3617# define PERL_DEB(a)
3618# define PERL_DEBUG(a)
aea4f609
DM
3619# define DEBUG_p(a)
3620# define DEBUG_s(a)
3621# define DEBUG_l(a)
3622# define DEBUG_t(a)
3623# define DEBUG_o(a)
3624# define DEBUG_c(a)
3625# define DEBUG_P(a)
3626# define DEBUG_m(a)
3627# define DEBUG_f(a)
3628# define DEBUG_r(a)
3629# define DEBUG_x(a)
3630# define DEBUG_u(a)
88d2d28a 3631# define DEBUG_U(a)
aea4f609
DM
3632# define DEBUG_H(a)
3633# define DEBUG_X(a)
dd2155a4 3634# define DEBUG_Xv(a)
aea4f609
DM
3635# define DEBUG_D(a)
3636# define DEBUG_S(a)
3637# define DEBUG_T(a)
04932ac8 3638# define DEBUG_R(a)
d6721266 3639# define DEBUG_v(a)
46187eeb 3640# define DEBUG_C(a)
ecae49c0
NC
3641# define DEBUG_A(a)
3642# define DEBUG_q(a)
aea4f609
DM
3643#endif /* DEBUGGING */
3644
3645
b4ab917c
DM
3646#define DEBUG_SCOPE(where) \
3647 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3648 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3649
3650
3651
3652
d1be9408 3653/* These constants should be used in preference to raw characters
14befaf4
DM
3654 * when using magic. Note that some perl guts still assume
3655 * certain character properties of these constants, namely that
3656 * isUPPER() and toLOWER() may do useful mappings.
3657 *
3658 * Update the magic_names table in dump.c when adding/amending these
3659 */
3660
3661#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3662#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3663#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3664#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3665#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3666#define PERL_MAGIC_regdata 'D' /* Regex match position data
3667 (@+ and @- vars) */
3668#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3669#define PERL_MAGIC_env 'E' /* %ENV hash */
3670#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3671#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3672#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3673#define PERL_MAGIC_hints 'H' /* %^H hash */
3674#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3675#define PERL_MAGIC_isa 'I' /* @ISA array */
3676#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3677#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3678#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3679#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3680#define PERL_MAGIC_mutex 'm' /* for lock op */
3681#define PERL_MAGIC_shared 'N' /* Shared between threads */
3682#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3683#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3684#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3685#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3686#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3687#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3688#define PERL_MAGIC_sig 'S' /* %SIG hash */
3689#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3690#define PERL_MAGIC_taint 't' /* Taintedness */
3691#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3692#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3693#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3694#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3695#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3696#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3697#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3698 smart parameter vivification */
14befaf4
DM
3699#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3700#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3701#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3702#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3703#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3704#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3705#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3706
3707
a6e633de 3708#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3709#define assert(what) PERL_DEB( \
3710 ((what) ? ((void) 0) : \
67eb4d30 3711 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3712 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3713 (void) 0)))
a446a88f 3714#endif
8d063cd8 3715
450a55e4 3716struct ufuncs {
24f81a43
DM
3717 I32 (*uf_val)(pTHX_ IV, SV*);
3718 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3719 IV uf_index;
450a55e4
LW
3720};
3721
14befaf4 3722/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3723 * XS code wanting to be backward compatible can do something
3724 * like the following:
c745e42c 3725
24f81a43 3726#ifndef PERL_MG_UFUNC
24f81a43
DM
3727#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3728#endif
3729
3730static PERL_MG_UFUNC(foo_get, index, val)
3731{
3732 sv_setsv(val, ...);
3733 return TRUE;
3734}
3735
3736-- Doug MacEachern
3737
3738*/
3739
fc9c74e6 3740#ifndef PERL_MG_UFUNC
24f81a43 3741#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3742#endif
24f81a43 3743
fe14fcc3 3744/* Fix these up for __STDC__ */
68dc0745 3745#ifndef DONT_DECLARE_STD
20ce7b12 3746char *mktemp (char*);
37bd1396 3747#ifndef atof
20ce7b12 3748double atof (const char*);
a0d0e21e 3749#endif
37bd1396 3750#endif
79072805 3751
352d5a3a 3752#ifndef STANDARD_C
fe14fcc3 3753/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3754Time_t time();
8d063cd8 3755struct tm *gmtime(), *localtime();
092bebab 3756#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3757char *(strchr)(), *(strrchr)();
3758char *(strcpy)(), *(strcat)();
3759#else
93a17b20 3760char *strchr(), *strrchr();
378cc40b 3761char *strcpy(), *strcat();
9d116dd7 3762#endif
352d5a3a 3763#endif /* ! STANDARD_C */
8d063cd8 3764
79072805
LW
3765
3766#ifdef I_MATH
3767# include <math.h>
3768#else
32f822de 3769START_EXTERN_C
20ce7b12
GS
3770 double exp (double);
3771 double log (double);
3772 double log10 (double);
3773 double sqrt (double);
3774 double frexp (double,int*);
3775 double ldexp (double,int);
3776 double modf (double,double*);
3777 double sin (double);
3778 double cos (double);
3779 double atan2 (double,double);
3780 double pow (double,double);
32f822de 3781END_EXTERN_C
79072805
LW
3782#endif
3783
aa8b85de
JH
3784#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3785# define NV_INF LDBL_INFINITY
3786#endif
3787#if !defined(NV_INF) && defined(DBL_INFINITY)
3788# define NV_INF (NV)DBL_INFINITY
3789#endif
3790#if !defined(NV_INF) && defined(INFINITY)
3791# define NV_INF (NV)INFINITY
3792#endif
3793#if !defined(NV_INF) && defined(INF)
3794# define NV_INF (NV)INF
3795#endif
3796#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3797# define NV_INF (NV)HUGE_VALL
3798#endif
3799#if !defined(NV_INF) && defined(HUGE_VAL)
3800# define NV_INF (NV)HUGE_VAL
3801#endif
3802