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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
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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
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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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
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
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37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
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44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
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47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
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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
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58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
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62# define MULTIPLICITY
63# endif
64#endif
65
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66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
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72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
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78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
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84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
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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__)
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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)
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114# define USE_REENTRANT_API
115#endif
116
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117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
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120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
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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)
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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
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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
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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
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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
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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
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185#endif
186
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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
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197#define CALLRUNOPS CALL_FPTR(PL_runops)
198#define CALLREGCOMP CALL_FPTR(PL_regcompp)
199#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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200#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
201#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
202#define CALLREGFREE CALL_FPTR(PL_regfree)
84da74a7 203#define CALLREGDUPE CALL_FPTR(PL_regdupe)
14dd3ad8 204
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205/*
206 * Because of backward compatibility reasons the PERL_UNUSED_DECL
207 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
208 *
209 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 210 * which do not have an "inlined" way (like the gcc __attribute__) of
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211 * marking unused variables (they need e.g. a #pragma) and therefore
212 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
213 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
214 *
215 */
1266ad8c 216
9969cdde 217#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 218# ifdef __cplusplus
5ba4cab2 219# define PERL_UNUSED_DECL
5b2bd0a5 220# else
5ba4cab2 221# define PERL_UNUSED_DECL __attribute__((unused))
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222# endif
223#endif
44dbb695 224
5b2bd0a5 225#ifndef PERL_UNUSED_DECL
34659ad4 226# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 227# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 228# else
5ba4cab2 229# define PERL_UNUSED_DECL
b79c357a 230# endif
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231#endif
232
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233/* gcc -Wall:
234 * for silencing unused variables that are actually used most of the time,
a0288114 235 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 236 */
53c1dcc0 237#ifndef PERL_UNUSED_ARG
c99ffe5e 238# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 239# include <note.h>
53c1dcc0 240# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 241# else
53c1dcc0 242# define PERL_UNUSED_ARG(x) ((void)x)
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243# endif
244#endif
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245#ifndef PERL_UNUSED_VAR
246# define PERL_UNUSED_VAR(x) ((void)x)
247#endif
ad73156c 248
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249#ifdef USE_ITHREADS
250# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
251#else
252# define PERL_UNUSED_CONTEXT
253#endif
254
6f207bd3 255#define NOOP /*EMPTY*/(void)0
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256#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
257#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
258#else
6f207bd3 259#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 260#endif
71be2cbc 261
0cb96387 262#ifndef pTHX
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263/* Don't bother defining tTHX and sTHX; using them outside
264 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
265 */
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266# define pTHX void
267# define pTHX_
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268# define aTHX
269# define aTHX_
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270# define dTHXa(a) dNOOP
271# define dTHX dNOOP
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272# define pTHX_1 1
273# define pTHX_2 2
274# define pTHX_3 3
275# define pTHX_4 4
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276# define pTHX_5 5
277# define pTHX_6 6
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278# define pTHX_7 7
279# define pTHX_8 8
280# define pTHX_9 9
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281#endif
282
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283#ifndef dVAR
284# define dVAR dNOOP
285#endif
286
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287/* these are only defined for compatibility; should not be used internally */
288#if !defined(pTHXo) && !defined(PERL_CORE)
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289# define pTHXo pTHX
290# define pTHXo_ pTHX_
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291# define aTHXo aTHX
292# define aTHXo_ aTHX_
c5be433b 293# define dTHXo dTHX
71d280e3 294# define dTHXoa(x) dTHXa(x)
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295#endif
296
297#ifndef pTHXx
298# define pTHXx register PerlInterpreter *my_perl
299# define pTHXx_ pTHXx,
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300# define aTHXx my_perl
301# define aTHXx_ aTHXx,
c5be433b 302# define dTHXx dTHX
22c35a8c 303#endif
71be2cbc 304
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305/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
306 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
307 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
308#ifdef PERL_IMPLICIT_SYS
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309# ifdef PERL_GLOBAL_STRUCT_PRIVATE
310# define dTHXs dVAR; dTHX
311# else
312# define dTHXs dTHX
313# endif
1de7c2ac 314#else
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315# ifdef PERL_GLOBAL_STRUCT_PRIVATE
316# define dTHXs dVAR
317# else
318# define dTHXs dNOOP
319# endif
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320#endif
321
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322#undef START_EXTERN_C
323#undef END_EXTERN_C
324#undef EXTERN_C
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325#ifdef __cplusplus
326# define START_EXTERN_C extern "C" {
327# define END_EXTERN_C }
328# define EXTERN_C extern "C"
329#else
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330# define START_EXTERN_C
331# define END_EXTERN_C
73c4f7a1 332# define EXTERN_C extern
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333#endif
334
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335/* Some platforms require marking function declarations
336 * for them to be exportable. Used in perlio.h, proto.h
337 * is handled either by the makedef.pl or by defining the
338 * PERL_CALLCONV to be something special. See also the
339 * definition of XS() in XSUB.h. */
340#ifndef PERL_EXPORT_C
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341# ifdef __cplusplus
342# define PERL_EXPORT_C extern "C"
343# else
344# define PERL_EXPORT_C extern
345# endif
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346#endif
347#ifndef PERL_XS_EXPORT_C
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348# ifdef __cplusplus
349# define PERL_XS_EXPORT_C extern "C"
350# else
351# define PERL_XS_EXPORT_C
352# endif
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353#endif
354
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355#ifdef OP_IN_REGISTER
356# ifdef __GNUC__
357# define stringify_immed(s) #s
358# define stringify(s) stringify_immed(s)
d1ca3daa 359register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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360# endif
361#endif
362
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363/* gcc (-ansi) -pedantic doesn't allow gcc brace groups,
364 * g++ allows them but seems to have problems with them
365 * (insane errors ensue). */
366#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 367# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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368# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
369# endif
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370#endif
371
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372#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
373# ifndef PERL_USE_GCC_BRACE_GROUPS
374# define PERL_USE_GCC_BRACE_GROUPS
375# endif
376#endif
377
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378/*
379 * STMT_START { statements; } STMT_END;
380 * can be used as a single statement, as in
381 * if (x) STMT_START { ... } STMT_END; else ...
382 *
383 * Trying to select a version that gives no warnings...
384 */
385#if !(defined(STMT_START) && defined(STMT_END))
5b692037 386# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 387# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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388# define STMT_END )
389# else
390 /* Now which other defined()s do we need here ??? */
93189314 391# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
392# define STMT_START if (1)
393# define STMT_END else (void)0
394# else
395# define STMT_START do
396# define STMT_END while (0)
397# endif
398# endif
399#endif
400
0cb96387 401#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 402#define WITH_THR(s) WITH_THX(s)
ea0efc06 403
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404#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
405# define BYTEORDER 0x1234
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LW
406#endif
407
408/* Overall memory policy? */
409#ifndef CONSERVATIVE
410# define LIBERAL 1
411#endif
412
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413#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
414#define ASCIIish
415#else
416#undef ASCIIish
417#endif
418
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419/*
420 * The following contortions are brought to you on behalf of all the
421 * standards, semi-standards, de facto standards, not-so-de-facto standards
422 * of the world, as well as all the other botches anyone ever thought of.
423 * The basic theory is that if we work hard enough here, the rest of the
424 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
425 */
ac58e20f 426
ee0007ab 427/* define this once if either system, instead of cluttering up the src */
2986a63f 428#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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429#define DOSISH 1
430#endif
431
fb38d079 432#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
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433# define STANDARD_C 1
434#endif
435
9969cdde 436#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
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437# define DONT_DECLARE_STD 1
438#endif
439
352d5a3a 440#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 441# ifdef __cplusplus
cb69f87a 442# define VOL /* to temporarily suppress warnings */
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443# else
444# define VOL volatile
445# endif
663a0e37 446#else
79072805 447# define VOL
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448#endif
449
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450#define TAINT (PL_tainted = TRUE)
451#define TAINT_NOT (PL_tainted = FALSE)
452#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
453#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 454#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 455
d460ef45 456/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
457 defines move there? If so, I could simplify this a lot. --AD 9/96.
458*/
459/* Process group stuff changed from traditional BSD to POSIX.
460 perlfunc.pod documents the traditional BSD-style syntax, so we'll
461 try to preserve that, if possible.
462*/
463#ifdef HAS_SETPGID
464# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 465#else
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PP
466# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
467# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
468# else
469# ifdef HAS_SETPGRP2 /* DG/UX */
470# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
471# endif
472# endif
473#endif
474#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
475# define HAS_SETPGRP /* Well, effectively it does . . . */
476#endif
477
478/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
479 our life easier :-) so we'll try it.
480*/
481#ifdef HAS_GETPGID
482# define BSD_GETPGRP(pid) getpgid((pid))
483#else
484# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
485# define BSD_GETPGRP(pid) getpgrp((pid))
486# else
487# ifdef HAS_GETPGRP2 /* DG/UX */
488# define BSD_GETPGRP(pid) getpgrp2((pid))
489# endif
490# endif
491#endif
492#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
493# define HAS_GETPGRP /* Well, effectively it does . . . */
494#endif
495
d460ef45 496/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
497 have different behaviors, but perl.h used to define USE_BSDPGRP
498 (prior to 5.003_05) so some extension might depend on it.
499*/
500#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
501# ifndef USE_BSDPGRP
502# define USE_BSDPGRP
503# endif
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LW
504#endif
505
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MH
506/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
507 pthread.h must be included before all other header files.
508*/
3db8f154 509#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
510# include <pthread.h>
511#endif
512
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513#ifndef _TYPES_ /* If types.h defines this it's easy. */
514# ifndef major /* Does everyone's types.h define this? */
515# include <sys/types.h>
c07a80fd 516# endif
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LW
517#endif
518
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519#ifdef __cplusplus
520# ifndef I_STDARG
521# define I_STDARG 1
522# endif
523#endif
524
525#ifdef I_STDARG
526# include <stdarg.h>
527#else
528# ifdef I_VARARGS
529# include <varargs.h>
530# endif
531#endif
532
4633a7c4 533#ifdef USE_NEXT_CTYPE
0c30d9ec 534
092bebab
JH
535#if NX_CURRENT_COMPILER_RELEASE >= 500
536# include <bsd/ctypes.h>
537#else
538# if NX_CURRENT_COMPILER_RELEASE >= 400
539# include <objc/NXCType.h>
540# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
541# include <appkit/NXCType.h>
542# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
543#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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PP
544
545#else /* !USE_NEXT_CTYPE */
fe14fcc3 546#include <ctype.h>
0c30d9ec 547#endif /* USE_NEXT_CTYPE */
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548
549#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
550#undef METHOD
a0d0e21e
LW
551#endif
552
12ae5dfc
JH
553#ifdef PERL_MICRO
554# define NO_LOCALE
555#endif
556
4633a7c4 557#ifdef I_LOCALE
36477c24 558# include <locale.h>
4633a7c4
LW
559#endif
560
36477c24
PP
561#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
562# define USE_LOCALE
563# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
564 && defined(HAS_STRXFRM)
565# define USE_LOCALE_COLLATE
566# endif
567# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
568# define USE_LOCALE_CTYPE
569# endif
570# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
571# define USE_LOCALE_NUMERIC
572# endif
573#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 574
fe14fcc3 575#include <setjmp.h>
79072805 576
a0d0e21e 577#ifdef I_SYS_PARAM
79072805
LW
578# ifdef PARAM_NEEDS_TYPES
579# include <sys/types.h>
580# endif
581# include <sys/param.h>
352d5a3a 582#endif
79072805 583
79072805 584/* Use all the "standard" definitions? */
a0d0e21e 585#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 586# include <stdlib.h>
ff68c719 587#endif
03a14243 588
3f270f98
JH
589/* If this causes problems, set i_unistd=undef in the hint file. */
590#ifdef I_UNISTD
591# include <unistd.h>
592#endif
593
9969cdde 594#ifdef __SYMBIAN32__
27da23d5
JH
595# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
596#endif
597
7114a2d2 598#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 599EXTERN_C int syscall(int, ...);
2ef53570
JH
600#endif
601
7114a2d2 602#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 603EXTERN_C int usleep(unsigned int);
2ef53570
JH
604#endif
605
9a34ef1d
GS
606#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
607# define MYSWAP
608#endif
609
1109a392
MHM
610#ifdef PERL_CORE
611
612/* macros for correct constant construction */
613# if INTSIZE >= 2
614# define U16_CONST(x) ((U16)x##U)
615# else
616# define U16_CONST(x) ((U16)x##UL)
617# endif
618
619# if INTSIZE >= 4
620# define U32_CONST(x) ((U32)x##U)
621# else
622# define U32_CONST(x) ((U32)x##UL)
623# endif
624
625# ifdef HAS_QUAD
626# if INTSIZE >= 8
627# define U64_CONST(x) ((U64)x##U)
628# elif LONGSIZE >= 8
629# define U64_CONST(x) ((U64)x##UL)
630# elif QUADKIND == QUAD_IS_LONG_LONG
631# define U64_CONST(x) ((U64)x##ULL)
632# else /* best guess we can make */
633# define U64_CONST(x) ((U64)x##UL)
634# endif
635# endif
636
637/* byte-swapping functions for big-/little-endian conversion */
638# define _swab_16_(x) ((U16)( \
639 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
640 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
641
642# define _swab_32_(x) ((U32)( \
643 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
644 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
645 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
646 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
647
648# ifdef HAS_QUAD
649# define _swab_64_(x) ((U64)( \
650 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
651 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
652 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
653 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
654 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
655 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
656 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
657 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
658# endif
659
660/*----------------------------------------------------------------------------*/
661# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
662/*----------------------------------------------------------------------------*/
663# define my_htole16(x) (x)
664# define my_letoh16(x) (x)
665# define my_htole32(x) (x)
666# define my_letoh32(x) (x)
667# define my_htobe16(x) _swab_16_(x)
668# define my_betoh16(x) _swab_16_(x)
669# define my_htobe32(x) _swab_32_(x)
670# define my_betoh32(x) _swab_32_(x)
671# ifdef HAS_QUAD
672# define my_htole64(x) (x)
673# define my_letoh64(x) (x)
674# define my_htobe64(x) _swab_64_(x)
675# define my_betoh64(x) _swab_64_(x)
676# endif
677# define my_htoles(x) (x)
678# define my_letohs(x) (x)
679# define my_htolei(x) (x)
680# define my_letohi(x) (x)
681# define my_htolel(x) (x)
682# define my_letohl(x) (x)
683# if SHORTSIZE == 1
684# define my_htobes(x) (x)
685# define my_betohs(x) (x)
686# elif SHORTSIZE == 2
687# define my_htobes(x) _swab_16_(x)
688# define my_betohs(x) _swab_16_(x)
689# elif SHORTSIZE == 4
690# define my_htobes(x) _swab_32_(x)
691# define my_betohs(x) _swab_32_(x)
692# elif SHORTSIZE == 8
693# define my_htobes(x) _swab_64_(x)
694# define my_betohs(x) _swab_64_(x)
695# else
696# define PERL_NEED_MY_HTOBES
697# define PERL_NEED_MY_BETOHS
698# endif
699# if INTSIZE == 1
700# define my_htobei(x) (x)
701# define my_betohi(x) (x)
702# elif INTSIZE == 2
703# define my_htobei(x) _swab_16_(x)
704# define my_betohi(x) _swab_16_(x)
705# elif INTSIZE == 4
706# define my_htobei(x) _swab_32_(x)
707# define my_betohi(x) _swab_32_(x)
708# elif INTSIZE == 8
709# define my_htobei(x) _swab_64_(x)
710# define my_betohi(x) _swab_64_(x)
711# else
712# define PERL_NEED_MY_HTOBEI
713# define PERL_NEED_MY_BETOHI
714# endif
715# if LONGSIZE == 1
716# define my_htobel(x) (x)
717# define my_betohl(x) (x)
718# elif LONGSIZE == 2
719# define my_htobel(x) _swab_16_(x)
720# define my_betohl(x) _swab_16_(x)
721# elif LONGSIZE == 4
722# define my_htobel(x) _swab_32_(x)
723# define my_betohl(x) _swab_32_(x)
724# elif LONGSIZE == 8
725# define my_htobel(x) _swab_64_(x)
726# define my_betohl(x) _swab_64_(x)
727# else
728# define PERL_NEED_MY_HTOBEL
729# define PERL_NEED_MY_BETOHL
730# endif
731# define my_htolen(p,n) NOOP
732# define my_letohn(p,n) NOOP
733# define my_htoben(p,n) my_swabn(p,n)
734# define my_betohn(p,n) my_swabn(p,n)
735/*----------------------------------------------------------------------------*/
736# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
737/*----------------------------------------------------------------------------*/
738# define my_htobe16(x) (x)
739# define my_betoh16(x) (x)
740# define my_htobe32(x) (x)
741# define my_betoh32(x) (x)
742# define my_htole16(x) _swab_16_(x)
743# define my_letoh16(x) _swab_16_(x)
744# define my_htole32(x) _swab_32_(x)
745# define my_letoh32(x) _swab_32_(x)
746# ifdef HAS_QUAD
747# define my_htobe64(x) (x)
748# define my_betoh64(x) (x)
749# define my_htole64(x) _swab_64_(x)
750# define my_letoh64(x) _swab_64_(x)
751# endif
752# define my_htobes(x) (x)
753# define my_betohs(x) (x)
754# define my_htobei(x) (x)
755# define my_betohi(x) (x)
756# define my_htobel(x) (x)
757# define my_betohl(x) (x)
758# if SHORTSIZE == 1
759# define my_htoles(x) (x)
760# define my_letohs(x) (x)
761# elif SHORTSIZE == 2
762# define my_htoles(x) _swab_16_(x)
763# define my_letohs(x) _swab_16_(x)
764# elif SHORTSIZE == 4
765# define my_htoles(x) _swab_32_(x)
766# define my_letohs(x) _swab_32_(x)
767# elif SHORTSIZE == 8
768# define my_htoles(x) _swab_64_(x)
769# define my_letohs(x) _swab_64_(x)
770# else
771# define PERL_NEED_MY_HTOLES
772# define PERL_NEED_MY_LETOHS
773# endif
774# if INTSIZE == 1
775# define my_htolei(x) (x)
776# define my_letohi(x) (x)
777# elif INTSIZE == 2
778# define my_htolei(x) _swab_16_(x)
779# define my_letohi(x) _swab_16_(x)
780# elif INTSIZE == 4
781# define my_htolei(x) _swab_32_(x)
782# define my_letohi(x) _swab_32_(x)
783# elif INTSIZE == 8
784# define my_htolei(x) _swab_64_(x)
785# define my_letohi(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOLEI
788# define PERL_NEED_MY_LETOHI
789# endif
790# if LONGSIZE == 1
791# define my_htolel(x) (x)
792# define my_letohl(x) (x)
793# elif LONGSIZE == 2
794# define my_htolel(x) _swab_16_(x)
795# define my_letohl(x) _swab_16_(x)
796# elif LONGSIZE == 4
797# define my_htolel(x) _swab_32_(x)
798# define my_letohl(x) _swab_32_(x)
799# elif LONGSIZE == 8
800# define my_htolel(x) _swab_64_(x)
801# define my_letohl(x) _swab_64_(x)
802# else
803# define PERL_NEED_MY_HTOLEL
804# define PERL_NEED_MY_LETOHL
805# endif
806# define my_htolen(p,n) my_swabn(p,n)
807# define my_letohn(p,n) my_swabn(p,n)
808# define my_htoben(p,n) NOOP
809# define my_betohn(p,n) NOOP
810/*----------------------------------------------------------------------------*/
811# else /* all other byte-orders */
812/*----------------------------------------------------------------------------*/
813# define PERL_NEED_MY_HTOLE16
814# define PERL_NEED_MY_LETOH16
815# define PERL_NEED_MY_HTOBE16
816# define PERL_NEED_MY_BETOH16
817# define PERL_NEED_MY_HTOLE32
818# define PERL_NEED_MY_LETOH32
819# define PERL_NEED_MY_HTOBE32
820# define PERL_NEED_MY_BETOH32
821# ifdef HAS_QUAD
822# define PERL_NEED_MY_HTOLE64
823# define PERL_NEED_MY_LETOH64
824# define PERL_NEED_MY_HTOBE64
825# define PERL_NEED_MY_BETOH64
826# endif
827# define PERL_NEED_MY_HTOLES
828# define PERL_NEED_MY_LETOHS
829# define PERL_NEED_MY_HTOBES
830# define PERL_NEED_MY_BETOHS
831# define PERL_NEED_MY_HTOLEI
832# define PERL_NEED_MY_LETOHI
833# define PERL_NEED_MY_HTOBEI
834# define PERL_NEED_MY_BETOHI
835# define PERL_NEED_MY_HTOLEL
836# define PERL_NEED_MY_LETOHL
837# define PERL_NEED_MY_HTOBEL
838# define PERL_NEED_MY_BETOHL
839/*----------------------------------------------------------------------------*/
840# endif /* end of byte-order macros */
841/*----------------------------------------------------------------------------*/
842
9c17f24a
NC
843/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
844 at least on FreeBSD. YMMV, so experiment. */
845#ifndef PERL_ARENA_SIZE
846#define PERL_ARENA_SIZE 4080
847#endif
848
1109a392
MHM
849#endif /* PERL_CORE */
850
bdf3085f
NC
851/* We no longer default to creating a new SV for GvSV.
852 Do this before embed. */
853#ifndef PERL_CREATE_GVSV
7459f06b
NC
854# ifndef PERL_DONT_CREATE_GVSV
855# define PERL_DONT_CREATE_GVSV
856# endif
bdf3085f
NC
857#endif
858
ca0c25f6
NC
859#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
860#define PERL_USES_PL_PIDSTATUS
861#endif
862
a62746fa
RGS
863#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
864#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
865#endif
866
66a93824
NIS
867/* Cannot include embed.h here on Win32 as win32.h has not
868 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
869 */
96e176bf 870#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 871# include "embed.h"
eb8433b7
NC
872# ifndef PERL_MAD
873# undef op_getmad
b3f24c00 874# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 875# endif
cea2e8a9
GS
876#endif
877
c31fac66
GS
878#define MEM_SIZE Size_t
879
1936d2a7
NC
880/* Round all values passed to malloc up, by default to a multiple of
881 sizeof(size_t)
882*/
883#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
884#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
885#endif
886
51371543
GS
887#if defined(STANDARD_C) && defined(I_STDDEF)
888# include <stddef.h>
889# define STRUCT_OFFSET(s,m) offsetof(s,m)
890#else
891# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
892#endif
893
9969cdde 894#ifndef __SYMBIAN32__
27da23d5
JH
895# if defined(I_STRING) || defined(__cplusplus)
896# include <string.h>
897# else
898# include <strings.h>
899# endif
51371543
GS
900#endif
901
55497cff
PP
902/* This comes after <stdlib.h> so we don't try to change the standard
903 * library prototypes; we'll use our own in proto.h instead. */
03a14243 904
4633a7c4 905#ifdef MYMALLOC
86058a2d 906# ifdef PERL_POLLUTE_MALLOC
ee13e175 907# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
908# define Perl_malloc malloc
909# define Perl_calloc calloc
910# define Perl_realloc realloc
911# define Perl_mfree free
ee13e175 912# endif
86058a2d
GS
913# else
914# define EMBEDMYMALLOC /* for compatibility */
915# endif
827e134a 916
651b9576
GS
917# define safemalloc Perl_malloc
918# define safecalloc Perl_calloc
919# define saferealloc Perl_realloc
920# define safefree Perl_mfree
22f7c9c9
JH
921# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
922 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
923 code; \
924 } STMT_END
925# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
926 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
927# define panic_write2(s) write(2, s, strlen(s))
928# define CHECK_MALLOC_TAINT(newval) \
929 CHECK_MALLOC_TOO_LATE_FOR_( \
930 if (newval) { \
931 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
932 exit(1); })
22f7c9c9 933# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 934 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
935 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
936 }} STMT_END;
f2517201
GS
937#else /* MYMALLOC */
938# define safemalloc safesysmalloc
939# define safecalloc safesyscalloc
940# define saferealloc safesysrealloc
941# define safefree safesysfree
22f7c9c9
JH
942# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
943# define CHECK_MALLOC_TAINT(newval) ((void)0)
944# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 945#endif /* MYMALLOC */
4633a7c4 946
27da23d5 947#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
948#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
949#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
950#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
951
a0d0e21e
LW
952#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
953#define strchr index
954#define strrchr rindex
955#endif
956
16d20bd9
AD
957#ifdef I_MEMORY
958# include <memory.h>
959#endif
960
fe14fcc3 961#ifdef HAS_MEMCPY
85e6fe83 962# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 963# ifndef memcpy
20ce7b12 964 extern char * memcpy (char*, char*, int);
ee0007ab
LW
965# endif
966# endif
967#else
968# ifndef memcpy
969# ifdef HAS_BCOPY
970# define memcpy(d,s,l) bcopy(s,d,l)
971# else
972# define memcpy(d,s,l) my_bcopy(s,d,l)
973# endif
974# endif
975#endif /* HAS_MEMCPY */
fe14fcc3 976
ee0007ab 977#ifdef HAS_MEMSET
85e6fe83 978# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 979# ifndef memset
20ce7b12 980 extern char *memset (char*, int, int);
ee0007ab
LW
981# endif
982# endif
ee0007ab 983#else
12ae5dfc 984# undef memset
fc36a67e 985# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
986#endif /* HAS_MEMSET */
987
85e6fe83 988#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 989# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
990# define memmove(d,s,l) bcopy(s,d,l)
991# else
2304df62 992# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 993# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 994# else
79072805 995# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 996# endif
352d5a3a 997# endif
d9d8d8de 998#endif
ee0007ab 999
36477c24
PP
1000#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1001# undef HAS_MEMCMP
1002#endif
1003
1004#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1005# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1006# ifndef memcmp
20ce7b12 1007 extern int memcmp (char*, char*, int);
ee0007ab
LW
1008# endif
1009# endif
36477c24 1010# ifdef BUGGY_MSC
7e4e8c89 1011# pragma function(memcmp)
36477c24 1012# endif
ee0007ab
LW
1013#else
1014# ifndef memcmp
ecfc5424 1015# define memcmp my_memcmp
352d5a3a 1016# endif
36477c24 1017#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1018
fc36a67e 1019#ifndef memzero
c635e13b
PP
1020# ifdef HAS_MEMSET
1021# define memzero(d,l) memset(d,0,l)
79072805 1022# else
c635e13b
PP
1023# ifdef HAS_BZERO
1024# define memzero(d,l) bzero(d,l)
79072805 1025# else
fc36a67e 1026# define memzero(d,l) my_bzero(d,l)
79072805
LW
1027# endif
1028# endif
d9d8d8de 1029#endif
378cc40b 1030
2f42fcb0 1031#ifndef PERL_MICRO
0f27ced1
JH
1032#ifndef memchr
1033# ifndef HAS_MEMCHR
1034# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1035# endif
1036#endif
2f42fcb0 1037#endif
0f27ced1 1038
36477c24
PP
1039#ifndef HAS_BCMP
1040# ifndef bcmp
1041# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1042# endif
36477c24 1043#endif /* !HAS_BCMP */
378cc40b 1044
ae986130 1045#ifdef I_NETINET_IN
79072805 1046# include <netinet/in.h>
ae986130
LW
1047#endif
1048
28e8609d
JH
1049#ifdef I_ARPA_INET
1050# include <arpa/inet.h>
1051#endif
1052
84902520
TB
1053#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1054/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1055 * (the neo-BSD seem to do this). */
1056# undef SF_APPEND
1057#endif
1058
1aef975c 1059#ifdef I_SYS_STAT
84902520 1060# include <sys/stat.h>
1aef975c 1061#endif
79072805 1062
a0d0e21e
LW
1063/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1064 like UTekV) are broken, sometimes giving false positives. Undefine
1065 them here and let the code below set them to proper values.
1066
1067 The ghs macro stands for GreenHills Software C-1.8.5 which
1068 is the C compiler for sysV88 and the various derivatives.
1069 This header file bug is corrected in gcc-2.5.8 and later versions.
1070 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1071
1072#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1073# undef S_ISDIR
1074# undef S_ISCHR
1075# undef S_ISBLK
1076# undef S_ISREG
1077# undef S_ISFIFO
1078# undef S_ISLNK
ee0007ab 1079#endif
135863df 1080
663a0e37
LW
1081#ifdef I_TIME
1082# include <time.h>
ffed7fef 1083#endif
663a0e37 1084
fe14fcc3 1085#ifdef I_SYS_TIME
85e6fe83 1086# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1087# define KERNEL
1088# endif
1089# include <sys/time.h>
85e6fe83 1090# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1091# undef KERNEL
1092# endif
a687059c 1093#endif
135863df 1094
55497cff 1095#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1096# include <sys/times.h>
d9d8d8de 1097#endif
8d063cd8 1098
fe14fcc3 1099#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1100# undef HAS_STRERROR
663a0e37
LW
1101#endif
1102
1103#include <errno.h>
1e743fda 1104
acfe0abc 1105#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1106# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1107#endif
1108
8cfab5ff
JH
1109/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1110 * This is important for using IPv6.
1111 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1112 * a bad idea since it breaks send() and recv(). */
1113#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1114# define _SOCKADDR_LEN
1115#endif
1116
8d3f517a 1117#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1118# include <sys/socket.h>
1119# if defined(USE_SOCKS) && defined(I_SOCKS)
1120# if !defined(INCLUDE_PROTOTYPES)
1121# define INCLUDE_PROTOTYPES /* for <socks.h> */
1122# define PERL_SOCKS_NEED_PROTOTYPES
1123# endif
1124# include <socks.h>
1125# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1126# undef INCLUDE_PROTOTYPES
1127# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1128# endif
d460ef45 1129# endif
1e743fda 1130# ifdef I_NETDB
2986a63f
JH
1131# ifdef NETWARE
1132# include<stdio.h>
1133# endif
1e743fda
JH
1134# include <netdb.h>
1135# endif
1136# ifndef ENOTSOCK
1137# ifdef I_NET_ERRNO
1138# include <net/errno.h>
1139# endif
1140# endif
1141#endif
1142
fa0a29af 1143/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1144 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1145 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1146#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1147# if defined(__THROW) && defined(__GLIBC__)
1148int sockatmark(int) __THROW;
1149# else
2ef53570 1150int sockatmark(int);
29820b6d 1151# endif
2ef53570
JH
1152#endif
1153
7e827271 1154#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
1155EXTERN_C int fchdir(int);
1156EXTERN_C int flock(int, int);
1157EXTERN_C int fseeko(FILE *, off_t, int);
1158EXTERN_C off_t ftello(FILE *);
1159#endif
1160
7e827271 1161#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1162EXTERN_C char *crypt(const char *, const char *);
7e827271 1163EXTERN_C char **environ;
1ccb7c8d
JH
1164#endif
1165
1e743fda
JH
1166#ifdef SETERRNO
1167# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1168#endif
f86702cc
PP
1169
1170#ifdef VMS
1171# define SETERRNO(errcode,vmserrcode) \
1172 STMT_START { \
1173 set_errno(errcode); \
1174 set_vaxc_errno(vmserrcode); \
1175 } STMT_END
93189314
JH
1176# define LIB_INVARG LIB$_INVARG
1177# define RMS_DIR RMS$_DIR
1178# define RMS_FAC RMS$_FAC
1179# define RMS_FEX RMS$_FEX
1180# define RMS_FNF RMS$_FNF
1181# define RMS_IFI RMS$_IFI
1182# define RMS_ISI RMS$_ISI
1183# define RMS_PRV RMS$_PRV
1184# define SS_ACCVIO SS$_ACCVIO
1185# define SS_DEVOFFLINE SS$_DEVOFFLINE
1186# define SS_IVCHAN SS$_IVCHAN
1187# define SS_NORMAL SS$_NORMAL
748a9306 1188#else
aba27d88 1189# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1190# define LIB_INVARG 0
1191# define RMS_DIR 0
1192# define RMS_FAC 0
1193# define RMS_FEX 0
1194# define RMS_FNF 0
1195# define RMS_IFI 0
1196# define RMS_ISI 0
1197# define RMS_PRV 0
1198# define SS_ACCVIO 0
1199# define SS_DEVOFFLINE 0
1200# define SS_IVCHAN 0
1201# define SS_NORMAL 0
748a9306 1202#endif
ed6116ce 1203
3db8f154 1204#define ERRSV GvSV(PL_errgv)
e203899d
NC
1205/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1206#define DEFSV GvSVn(PL_defgv)
3db8f154 1207#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1208
98eae8f5
GS
1209#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1210
55497cff 1211#ifndef errno
5ff3f7a4
GS
1212 extern int errno; /* ANSI allows errno to be an lvalue expr.
1213 * For example in multithreaded environments
1214 * something like this might happen:
1215 * extern int *_errno(void);
1216 * #define errno (*_errno()) */
d9d8d8de 1217#endif
663a0e37 1218
2304df62 1219#ifdef HAS_STRERROR
a0d0e21e 1220# ifdef VMS
20ce7b12 1221 char *strerror (int,...);
a0d0e21e 1222# else
68dc0745 1223#ifndef DONT_DECLARE_STD
20ce7b12 1224 char *strerror (int);
68dc0745 1225#endif
a0d0e21e 1226# endif
2304df62
AD
1227# ifndef Strerror
1228# define Strerror strerror
1229# endif
1230#else
1231# ifdef HAS_SYS_ERRLIST
79072805
LW
1232 extern int sys_nerr;
1233 extern char *sys_errlist[];
2304df62
AD
1234# ifndef Strerror
1235# define Strerror(e) \
79072805 1236 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1237# endif
79072805 1238# endif
35c8bce7 1239#endif
663a0e37 1240
2304df62 1241#ifdef I_SYS_IOCTL
79072805
LW
1242# ifndef _IOCTL_
1243# include <sys/ioctl.h>
1244# endif
a687059c
LW
1245#endif
1246
ee0007ab 1247#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1248# ifdef HAS_SOCKETPAIR
1249# undef HAS_SOCKETPAIR
1250# endif
2304df62
AD
1251# ifdef I_NDBM
1252# undef I_NDBM
79072805 1253# endif
a687059c
LW
1254#endif
1255
02fc2eee
NC
1256#ifndef HAS_SOCKETPAIR
1257# ifdef HAS_SOCKET
1258# define socketpair Perl_my_socketpair
1259# endif
1260#endif
1261
a687059c 1262#if INTSIZE == 2
79072805
LW
1263# define htoni htons
1264# define ntohi ntohs
a687059c 1265#else
79072805
LW
1266# define htoni htonl
1267# define ntohi ntohl
a687059c
LW
1268#endif
1269
a0d0e21e 1270/* Configure already sets Direntry_t */
35c8bce7 1271#if defined(I_DIRENT)
663a0e37 1272# include <dirent.h>
8f1f23e8
W
1273 /* NeXT needs dirent + sys/dir.h */
1274# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1275# include <sys/dir.h>
1276# endif
ae986130 1277#else
fe14fcc3 1278# ifdef I_SYS_NDIR
79a0689e 1279# include <sys/ndir.h>
663a0e37 1280# else
fe14fcc3 1281# ifdef I_SYS_DIR
79a0689e
LW
1282# ifdef hp9000s500
1283# include <ndir.h> /* may be wrong in the future */
1284# else
1285# include <sys/dir.h>
1286# endif
663a0e37
LW
1287# endif
1288# endif
4633a7c4 1289#endif
a687059c 1290
12ae5dfc
JH
1291#ifdef PERL_MICRO
1292# ifndef DIR
1293# define DIR void
1294# endif
1295#endif
1296
352d5a3a
LW
1297#ifdef FPUTS_BOTCH
1298/* work around botch in SunOS 4.0.1 and 4.0.2 */
1299# ifndef fputs
79072805 1300# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1301# endif
1302#endif
1303
c623bd54
LW
1304/*
1305 * The following gobbledygook brought to you on behalf of __STDC__.
1306 * (I could just use #ifndef __STDC__, but this is more bulletproof
1307 * in the face of half-implementations.)
1308 */
1309
7114a2d2 1310#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1311#include <sys/mode.h>
1312#endif
1313
c623bd54
LW
1314#ifndef S_IFMT
1315# ifdef _S_IFMT
1316# define S_IFMT _S_IFMT
1317# else
1318# define S_IFMT 0170000
1319# endif
1320#endif
1321
1322#ifndef S_ISDIR
1323# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1324#endif
1325
1326#ifndef S_ISCHR
1327# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1328#endif
1329
1330#ifndef S_ISBLK
fe14fcc3
LW
1331# ifdef S_IFBLK
1332# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1333# else
1334# define S_ISBLK(m) (0)
1335# endif
c623bd54
LW
1336#endif
1337
1338#ifndef S_ISREG
1339# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1340#endif
1341
1342#ifndef S_ISFIFO
fe14fcc3
LW
1343# ifdef S_IFIFO
1344# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1345# else
1346# define S_ISFIFO(m) (0)
1347# endif
c623bd54
LW
1348#endif
1349
1350#ifndef S_ISLNK
1351# ifdef _S_ISLNK
1352# define S_ISLNK(m) _S_ISLNK(m)
1353# else
1354# ifdef _S_IFLNK
1355# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1356# else
1357# ifdef S_IFLNK
1358# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1359# else
1360# define S_ISLNK(m) (0)
1361# endif
1362# endif
1363# endif
1364#endif
1365
1366#ifndef S_ISSOCK
1367# ifdef _S_ISSOCK
1368# define S_ISSOCK(m) _S_ISSOCK(m)
1369# else
1370# ifdef _S_IFSOCK
1371# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1372# else
1373# ifdef S_IFSOCK
1374# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1375# else
1376# define S_ISSOCK(m) (0)
1377# endif
1378# endif
1379# endif
1380#endif
1381
1382#ifndef S_IRUSR
1383# ifdef S_IREAD
1384# define S_IRUSR S_IREAD
1385# define S_IWUSR S_IWRITE
1386# define S_IXUSR S_IEXEC
1387# else
1388# define S_IRUSR 0400
1389# define S_IWUSR 0200
1390# define S_IXUSR 0100
1391# endif
fac7cdfc 1392#endif
1393
1394#ifndef S_IRGRP
1395# ifdef S_IRUSR
1396# define S_IRGRP (S_IRUSR>>3)
1397# define S_IWGRP (S_IWUSR>>3)
1398# define S_IXGRP (S_IXUSR>>3)
1399# else
1400# define S_IRGRP 0040
1401# define S_IWGRP 0020
1402# define S_IXGRP 0010
1403# endif
1404#endif
1405
1406#ifndef S_IROTH
1407# ifdef S_IRUSR
1408# define S_IROTH (S_IRUSR>>6)
1409# define S_IWOTH (S_IWUSR>>6)
1410# define S_IXOTH (S_IXUSR>>6)
1411# else
1412# define S_IROTH 0040
1413# define S_IWOTH 0020
1414# define S_IXOTH 0010
1415# endif
c623bd54
LW
1416#endif
1417
1418#ifndef S_ISUID
1419# define S_ISUID 04000
1420#endif
1421
1422#ifndef S_ISGID
1423# define S_ISGID 02000
1424#endif
1425
ca6e1c26
JH
1426#ifndef S_IRWXU
1427# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1428#endif
ca6e1c26
JH
1429
1430#ifndef S_IRWXG
1431# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1432#endif
ca6e1c26
JH
1433
1434#ifndef S_IRWXO
1435# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1436#endif
ca6e1c26 1437
c21fb2b8
JH
1438/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1439 * which would get included through <sys/file.h >, but that is 3000
1440 * lines in the future. --jhi */
1441
1442#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1443# define S_IREAD S_IRUSR
1444#endif
1445
c21fb2b8 1446#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1447# define S_IWRITE S_IWUSR
1448#endif
1449
1450#ifndef S_IEXEC
1451# define S_IEXEC S_IXUSR
1452#endif
1453
79072805
LW
1454#ifdef ff_next
1455# undef ff_next
352d5a3a
LW
1456#endif
1457
a0d0e21e 1458#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1459# define SLOPPYDIVIDE
1460#endif
1461
748a9306
LW
1462#ifdef UV
1463#undef UV
1464#endif
1465
c89df6bf
JH
1466#ifdef SPRINTF_E_BUG
1467# define sprintf UTS_sprintf_wrap
1468#endif
1469
ce582cee
NC
1470/* For the times when you want the return value of sprintf, and you want it
1471 to be the length. Can't have a thread variable passed in, because C89 has
1472 no varargs macros.
1473*/
1474#ifdef SPRINTF_RETURNS_STRLEN
1475# define my_sprintf sprintf
1476#else
1477# define my_sprintf Perl_my_sprintf
1478#endif
1479
5b692037
JH
1480/*
1481 * If we have v?snprintf() and the C99 variadic macros, we can just
1482 * use just the v?snprintf(). It is nice to try to trap the buffer
1483 * overflow, however, so if we are DEBUGGING, and we cannot use the
1484 * gcc brace groups, then use the function wrappers which try to trap
1485 * the overflow. If we can use the gcc brace groups, we can try that
1486 * even with the version that uses the C99 variadic macros.
1487 */
1488
1208b3dd
JH
1489/* Note that we do not check against snprintf()/vsnprintf() returning
1490 * negative values because that is non-standard behaviour and we use
1491 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1492 * that should be true only if the snprintf()/vsnprintf() are true
1493 * to the standard. */
1494
dfeee9b1 1495#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1496# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1497# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: snprintf buffer overflow"); __len__; })
1208b3dd 1498# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1499# else
1500# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1501# endif
1502#else
1503# define my_snprintf Perl_my_snprintf
1208b3dd 1504# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1505#endif
1506
dfeee9b1 1507#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1508# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1509# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1510# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1511# else
1512# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1513# endif
1514#else
1515# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1516# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1517#endif
d9fad198 1518
a6cc4119
SP
1519#ifdef HAS_STRLCAT
1520# define my_strlcat strlcat
1521#else
1522# define my_strlcat Perl_my_strlcat
1523#endif
1524
1525#ifdef HAS_STRLCPY
1526# define my_strlcpy strlcpy
1527#else
1528# define my_strlcpy Perl_my_strlcpy
1529#endif
1530
c495e728
JH
1531/* Configure gets this right but the UTS compiler gets it wrong.
1532 -- Hal Morris <hom00@utsglobal.com> */
1533#ifdef UTS
1534# undef UVTYPE
1535# define UVTYPE unsigned
1536#endif
1537
05f13f53 1538/*
27d4fb96
PP
1539 The IV type is supposed to be long enough to hold any integral
1540 value or a pointer.
1541 --Andy Dougherty August 1996
1542*/
1543
a22e52b9
JH
1544typedef IVTYPE IV;
1545typedef UVTYPE UV;
8175356b 1546
10cc9d2a 1547#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1548# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1549# define IV_MAX INT64_MAX
1550# define IV_MIN INT64_MIN
1551# define UV_MAX UINT64_MAX
cae7ae48
JH
1552# ifndef UINT64_MIN
1553# define UINT64_MIN 0
1554# endif
5ff3f7a4
GS
1555# define UV_MIN UINT64_MIN
1556# else
1557# define IV_MAX PERL_QUAD_MAX
1558# define IV_MIN PERL_QUAD_MIN
1559# define UV_MAX PERL_UQUAD_MAX
1560# define UV_MIN PERL_UQUAD_MIN
1561# endif
cf2093f6
JH
1562# define IV_IS_QUAD
1563# define UV_IS_QUAD
79072805 1564#else
8175356b 1565# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1566# define IV_MAX INT32_MAX
1567# define IV_MIN INT32_MIN
716026f9
DL
1568# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1569# define UV_MAX UINT32_MAX
1570# else
1571# define UV_MAX 4294967295U
1572# endif
cae7ae48
JH
1573# ifndef UINT32_MIN
1574# define UINT32_MIN 0
1575# endif
5ff3f7a4
GS
1576# define UV_MIN UINT32_MIN
1577# else
1578# define IV_MAX PERL_LONG_MAX
1579# define IV_MIN PERL_LONG_MIN
1580# define UV_MAX PERL_ULONG_MAX
1581# define UV_MIN PERL_ULONG_MIN
1582# endif
8175356b 1583# if IVSIZE == 8
cf2093f6
JH
1584# define IV_IS_QUAD
1585# define UV_IS_QUAD
de1c2614
JH
1586# ifndef HAS_QUAD
1587# define HAS_QUAD
1588# endif
cf2093f6
JH
1589# else
1590# undef IV_IS_QUAD
1591# undef UV_IS_QUAD
de1c2614 1592# undef HAS_QUAD
cf2093f6 1593# endif
79072805 1594#endif
d7d93a81 1595
1109a392
MHM
1596#ifndef HAS_QUAD
1597# undef PERL_NEED_MY_HTOLE64
1598# undef PERL_NEED_MY_LETOH64
1599# undef PERL_NEED_MY_HTOBE64
1600# undef PERL_NEED_MY_BETOH64
1601#endif
1602
6cde8aec 1603#if defined(uts) || defined(UTS)
11afe549
HM
1604# undef UV_MAX
1605# define UV_MAX (4294967295u)
20601011
JH
1606#endif
1607
cae7ae48 1608#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1609#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1610
28e5dec8 1611#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1612#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1613#endif
1614
d460ef45 1615/*
26bb67e2
JH
1616 * The macros INT2PTR and NUM2PTR are (despite their names)
1617 * bi-directional: they will convert int/float to or from pointers.
1618 * However the conversion to int/float are named explicitly:
1619 * PTR2IV, PTR2UV, PTR2NV.
1620 *
1621 * For int conversions we do not need two casts if pointers are
1622 * the same size as IV and UV. Otherwise we need an explicit
1623 * cast (PTRV) to avoid compiler warnings.
1624 */
56431972
RB
1625#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1626# define PTRV UV
1627# define INT2PTR(any,d) (any)(d)
1628#else
d460ef45 1629# if PTRSIZE == LONGSIZE
56431972 1630# define PTRV unsigned long
e91e3b10 1631# define PTR2ul(p) (unsigned long)(p)
42718184 1632# else
56431972 1633# define PTRV unsigned
42718184 1634# endif
e91e3b10
RB
1635#endif
1636
1637#ifndef INT2PTR
56431972 1638# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1639#endif
e91e3b10
RB
1640
1641#ifndef PTR2ul
1642# define PTR2ul(p) INT2PTR(unsigned long,p)
1643#endif
1644
56431972
RB
1645#define NUM2PTR(any,d) (any)(PTRV)(d)
1646#define PTR2IV(p) INT2PTR(IV,p)
1647#define PTR2UV(p) INT2PTR(UV,p)
1648#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1649#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1650
8141890a
JH
1651/* According to strict ANSI C89 one cannot freely cast between
1652 * data pointers and function (code) pointers. There are at least
1653 * two ways around this. One (used below) is to do two casts,
1654 * first the other pointer to an (unsigned) integer, and then
1655 * the integer to the other pointer. The other way would be
1656 * to use unions to "overlay" the pointers. For an example of
1657 * the latter technique, see union dirpu in struct xpvio in sv.h.
1658 * The only feasible use is probably temporarily storing
1659 * function pointers in a data pointer (such as a void pointer). */
1660
e91e3b10
RB
1661#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1662#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1663
65202027 1664#ifdef USE_LONG_DOUBLE
1048ea30
JH
1665# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1666# define LONG_DOUBLE_EQUALS_DOUBLE
1667# endif
68d4903c 1668# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1669# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1670# endif
1671#endif
1672
2d4389e4
JH
1673#ifdef OVR_DBL_DIG
1674/* Use an overridden DBL_DIG */
1675# ifdef DBL_DIG
1676# undef DBL_DIG
1677# endif
1678# define DBL_DIG OVR_DBL_DIG
1679#else
1680/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1681 default value for printing floating point numbers in Gconvert
1682 (see config.h). (It also has other uses, such as figuring out if
1683 a given precision of printing can be done with a double instead of
1684 a long double - Allen).
2d4389e4
JH
1685*/
1686#ifdef I_LIMITS
1687#include <limits.h>
1688#endif
1689#ifdef I_FLOAT
1690#include <float.h>
1691#endif
1692#ifndef HAS_DBL_DIG
1693#define DBL_DIG 15 /* A guess that works lots of places */
1694#endif
1695#endif
cbca01e1
JH
1696#ifdef I_FLOAT
1697#include <float.h>
1698#endif
1699#ifndef HAS_DBL_DIG
1700#define DBL_DIG 15 /* A guess that works lots of places */
1701#endif
2d4389e4
JH
1702
1703#ifdef OVR_LDBL_DIG
1704/* Use an overridden LDBL_DIG */
1705# ifdef LDBL_DIG
1706# undef LDBL_DIG
1707# endif
1708# define LDBL_DIG OVR_LDBL_DIG
1709#else
1710/* The following is all to get LDBL_DIG, in order to pick a nice
1711 default value for printing floating point numbers in Gconvert.
1712 (see config.h)
1713*/
68d4903c
JH
1714# ifdef I_LIMITS
1715# include <limits.h>
1716# endif
1717# ifdef I_FLOAT
1718# include <float.h>
1719# endif
1720# ifndef HAS_LDBL_DIG
1721# if LONG_DOUBLESIZE == 10
1722# define LDBL_DIG 18 /* assume IEEE */
1723# else
1724# if LONG_DOUBLESIZE == 12
1725# define LDBL_DIG 18 /* gcc? */
1726# else
1727# if LONG_DOUBLESIZE == 16
1728# define LDBL_DIG 33 /* assume IEEE */
1729# else
1730# if LONG_DOUBLESIZE == DOUBLESIZE
1731# define LDBL_DIG DBL_DIG /* bummer */
1732# endif
1733# endif
1734# endif
1735# endif
1736# endif
2d4389e4
JH
1737#endif
1738
20f6aaab
AS
1739/*
1740 * This is for making sure we have a good DBL_MAX value, if possible,
1741 * either for usage as NV_MAX or for usage in figuring out if we can
1742 * fit a given long double into a double, if bug-fixing makes it
1743 * necessary to do so. - Allen <allens@cpan.org>
1744 */
1745
205f51d8
AS
1746#ifdef I_LIMITS
1747# include <limits.h>
20f6aaab
AS
1748#endif
1749
205f51d8
AS
1750#ifdef I_VALUES
1751# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1752# include <values.h>
1753# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1754# define DBL_MAX MAXDOUBLE
1755# endif
1756# if defined(MINDOUBLE) && !defined(DBL_MIN)
1757# define DBL_MIN MINDOUBLE
1758# endif
1759# endif
1760#endif /* defined(I_VALUES) */
1761
a22e52b9 1762typedef NVTYPE NV;
8175356b 1763
792d8dab
JH
1764#ifdef I_IEEEFP
1765# include <ieeefp.h>
1766#endif
923fc586 1767
65202027 1768#ifdef USE_LONG_DOUBLE
923fc586
JH
1769# ifdef I_SUNMATH
1770# include <sunmath.h>
1771# endif
2d4389e4 1772# define NV_DIG LDBL_DIG
d6c14000
JH
1773# ifdef LDBL_MANT_DIG
1774# define NV_MANT_DIG LDBL_MANT_DIG
1775# endif
06fc1729
JH
1776# ifdef LDBL_MIN
1777# define NV_MIN LDBL_MIN
1778# endif
1779# ifdef LDBL_MAX
1780# define NV_MAX LDBL_MAX
1781# endif
1782# ifdef LDBL_MIN_10_EXP
1783# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1784# endif
1785# ifdef LDBL_MAX_10_EXP
1786# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1787# endif
1788# ifdef LDBL_EPSILON
1789# define NV_EPSILON LDBL_EPSILON
1790# endif
f4a14a62
JH
1791# ifdef LDBL_MAX
1792# define NV_MAX LDBL_MAX
20f6aaab 1793/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1794# else
1795# ifdef HUGE_VALL
1796# define NV_MAX HUGE_VALL
1797# else
1798# ifdef HUGE_VAL
1799# define NV_MAX ((NV)HUGE_VAL)
1800# endif
1801# endif
1802# endif
68d4903c 1803# ifdef HAS_SQRTL
68d4903c
JH
1804# define Perl_cos cosl
1805# define Perl_sin sinl
1806# define Perl_sqrt sqrtl
1807# define Perl_exp expl
1808# define Perl_log logl
1809# define Perl_atan2 atan2l
1810# define Perl_pow powl
1811# define Perl_floor floorl
1bbae031 1812# define Perl_ceil ceill
68d4903c
JH
1813# define Perl_fmod fmodl
1814# endif
a3540c92
JH
1815/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1816# ifdef HAS_MODFL
1817# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1818/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1819 prototype in <math.h> */
1820# ifndef HAS_MODFL_PROTO
a221a8a5 1821EXTERN_C long double modfl(long double, long double *);
51997bc3 1822# endif
03476e8e
JH
1823# else
1824# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1825 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1826# define Perl_modf(x,y) Perl_my_modfl(x,y)
1827# endif
a3540c92
JH
1828# endif
1829# ifdef HAS_FREXPL
dff3e0b8 1830# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1831# else
1832# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1833 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1834# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1835# endif
a3540c92 1836# endif
38dbb4c5 1837# ifndef Perl_isnan
758a5d79
JH
1838# ifdef HAS_ISNANL
1839# define Perl_isnan(x) isnanl(x)
1840# endif
1841# endif
1842# ifndef Perl_isinf
1843# ifdef HAS_FINITEL
1844# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1845# endif
1846# endif
65202027 1847#else
2d4389e4 1848# define NV_DIG DBL_DIG
d6c14000
JH
1849# ifdef DBL_MANT_DIG
1850# define NV_MANT_DIG DBL_MANT_DIG
1851# endif
06fc1729
JH
1852# ifdef DBL_MIN
1853# define NV_MIN DBL_MIN
1854# endif
1855# ifdef DBL_MAX
1856# define NV_MAX DBL_MAX
1857# endif
1858# ifdef DBL_MIN_10_EXP
1859# define NV_MIN_10_EXP DBL_MIN_10_EXP
1860# endif
1861# ifdef DBL_MAX_10_EXP
1862# define NV_MAX_10_EXP DBL_MAX_10_EXP
1863# endif
1864# ifdef DBL_EPSILON
1865# define NV_EPSILON DBL_EPSILON
1866# endif
205f51d8 1867# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1868# define NV_MAX DBL_MAX
1869# define NV_MIN DBL_MIN
1870# else
1871# ifdef HUGE_VAL
1872# define NV_MAX HUGE_VAL
1873# endif
1874# endif
65202027
DS
1875# define Perl_cos cos
1876# define Perl_sin sin
1877# define Perl_sqrt sqrt
1878# define Perl_exp exp
1879# define Perl_log log
1880# define Perl_atan2 atan2
1881# define Perl_pow pow
1882# define Perl_floor floor
1bbae031 1883# define Perl_ceil ceil
65202027 1884# define Perl_fmod fmod
a3540c92 1885# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1886# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1887#endif
1888
1889/* rumor has it that Win32 has _fpclass() */
1890
205f51d8
AS
1891/* SGI has fpclassl... but not with the same result values,
1892 * and it's via a typedef (not via #define), so will need to redo Configure
1893 * to use. Not worth the trouble, IMO, at least until the below is used
1894 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1895 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1896 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1897
758a5d79
JH
1898#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1899# ifdef I_IEEFP
1900# include <ieeefp.h>
1901# endif
1902# ifdef I_FP
1903# include <fp.h>
1904# endif
1905# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1906# define Perl_fp_class() fpclassl(x)
1907# else
1908# define Perl_fp_class() fpclass(x)
1909# endif
1910# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1911# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1912# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1913# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1914# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1915# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1916# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1917# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1918# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1919# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1920# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1921# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1922# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1923# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1924# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1925#endif
1926
7114a2d2 1927#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1928# include <math.h>
1929# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1930# include <fp_class.h>
1931# endif
1932# define Perl_fp_class(x) fp_class(x)
1933# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1934# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1935# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1936# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1937# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1938# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1939# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1940# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1941# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1942# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1943# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1944# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1945# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1946# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1947# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1948#endif
1949
1950#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1951# include <math.h>
1952# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1953# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1954# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1955# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1956# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1957# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1958#endif
1959
1960#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1961# include <math.h>
1962# ifndef _cplusplus
1963# define Perl_fp_class(x) class(x)
1964# else
1965# define Perl_fp_class(x) _class(x)
1966# endif
1967# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1968# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1969# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1970# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1971# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1972# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1973# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1974# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1975# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1976# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1977# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1978# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1979# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1980# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1981# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1982#endif
1983
1984/* rumor has it that Win32 has _isnan() */
1985
1986#ifndef Perl_isnan
a3540c92 1987# ifdef HAS_ISNAN
758a5d79
JH
1988# define Perl_isnan(x) isnan((NV)x)
1989# else
1990# ifdef Perl_fp_class_nan
1991# define Perl_isnan(x) Perl_fp_class_nan(x)
1992# else
1993# ifdef HAS_UNORDERED
1994# define Perl_isnan(x) unordered((x), 0.0)
1995# else
1996# define Perl_isnan(x) ((x)!=(x))
1997# endif
1998# endif
1999# endif
2000#endif
2001
ca6c63e1
JH
2002#ifdef UNDER_CE
2003int isnan(double d);
2004#endif
2005
758a5d79
JH
2006#ifndef Perl_isinf
2007# ifdef HAS_ISINF
2008# define Perl_isinf(x) isinf((NV)x)
a3540c92 2009# else
758a5d79
JH
2010# ifdef Perl_fp_class_inf
2011# define Perl_isinf(x) Perl_fp_class_inf(x)
2012# else
2013# define Perl_isinf(x) ((x)==NV_INF)
2014# endif
2015# endif
2016#endif
2017
2018#ifndef Perl_isfinite
2019# ifdef HAS_FINITE
2020# define Perl_isfinite(x) finite((NV)x)
2021# else
2022# ifdef HAS_ISFINITE
2023# define Perl_isfinite(x) isfinite(x)
2024# else
2025# ifdef Perl_fp_class_finite
2026# define Perl_isfinite(x) Perl_fp_class_finite(x)
2027# else
2028# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2029# endif
2030# endif
a3540c92 2031# endif
65202027
DS
2032#endif
2033
a36244b7
JH
2034/* The default is to use Perl's own atof() implementation (in numeric.c).
2035 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2036 * it is however best to use the native implementation of atof.
2037 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2038 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2039 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2040 * you may need to be using a different function than atof! */
a36244b7
JH
2041
2042#ifndef USE_PERL_ATOF
2043# ifndef _UNICOS
2044# define USE_PERL_ATOF
2045# endif
2046#else
2047# if USE_PERL_ATOF == 0
2048# undef USE_PERL_ATOF
2049# endif
2050#endif
2051
2052#ifdef USE_PERL_ATOF
2053# define Perl_atof(s) Perl_my_atof(s)
2054# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2055#else
2056# define Perl_atof(s) (NV)atof(s)
2057# define Perl_atof2(s, n) ((n) = atof(s))
2058#endif
cf2093f6 2059
d460ef45 2060/* Previously these definitions used hardcoded figures.
760ac839
LW
2061 * It is hoped these formula are more portable, although
2062 * no data one way or another is presently known to me.
2063 * The "PERL_" names are used because these calculated constants
2064 * do not meet the ANSI requirements for LONG_MAX, etc., which
2065 * need to be constants acceptable to #if - kja
2066 * define PERL_LONG_MAX 2147483647L
2067 * define PERL_LONG_MIN (-LONG_MAX - 1)
2068 * define PERL ULONG_MAX 4294967295L
2069 */
2070
2071#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2072# include <limits.h>
760ac839 2073#endif
205f51d8
AS
2074/* Included values.h above if necessary; still including limits.h down here,
2075 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2076
99abf803
PP
2077/*
2078 * Try to figure out max and min values for the integral types. THE CORRECT
2079 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2080 * following hacks are used if neither limits.h or values.h provide them:
2081 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2082 * for types < int: (unsigned TYPE)~(unsigned)0
2083 * The argument to ~ must be unsigned so that later signed->unsigned
2084 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2085 * and it must not be smaller than int because ~ does integral promotion.
2086 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2087 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2088 * The latter is a hack which happens to work on some machines but
2089 * does *not* catch any random system, or things like integer types
2090 * with NaN if that is possible.
2091 *
2092 * All of the types are explicitly cast to prevent accidental loss of
2093 * numeric range, and in the hope that they will be less likely to confuse
2094 * over-eager optimizers.
2095 *
2096 */
27d4fb96 2097
99abf803
PP
2098#define PERL_UCHAR_MIN ((unsigned char)0)
2099
2100#ifdef UCHAR_MAX
2101# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2102#else
99abf803
PP
2103# ifdef MAXUCHAR
2104# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2105# else
99abf803 2106# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2107# endif
2108#endif
d460ef45 2109
99abf803
PP
2110/*
2111 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2112 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2113 * depending on local options. Until Configure detects this (or at least
2114 * detects whether the "signed" keyword is available) the CHAR ranges
2115 * will not be included. UCHAR functions normally.
2116 * - kja
2117 */
27d4fb96 2118
99abf803
PP
2119#define PERL_USHORT_MIN ((unsigned short)0)
2120
2121#ifdef USHORT_MAX
2122# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2123#else
99abf803
PP
2124# ifdef MAXUSHORT
2125# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2126# else
ef2f54b0
CB
2127# ifdef USHRT_MAX
2128# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2129# else
2130# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2131# endif
27d4fb96
PP
2132# endif
2133#endif
2134
27d4fb96 2135#ifdef SHORT_MAX
99abf803 2136# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2137#else
2138# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2139# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2140# else
ef2f54b0
CB
2141# ifdef SHRT_MAX
2142# define PERL_SHORT_MAX ((short)SHRT_MAX)
2143# else
2144# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2145# endif
27d4fb96
PP
2146# endif
2147#endif
2148
2149#ifdef SHORT_MIN
99abf803 2150# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2151#else
2152# ifdef MINSHORT
99abf803 2153# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2154# else
ef2f54b0
CB
2155# ifdef SHRT_MIN
2156# define PERL_SHORT_MIN ((short)SHRT_MIN)
2157# else
2158# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2159# endif
27d4fb96
PP
2160# endif
2161#endif
2162
99abf803
PP
2163#ifdef UINT_MAX
2164# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2165#else
99abf803
PP
2166# ifdef MAXUINT
2167# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2168# else
99abf803 2169# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2170# endif
2171#endif
2172
99abf803 2173#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2174
2175#ifdef INT_MAX
99abf803 2176# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2177#else
2178# ifdef MAXINT /* Often used in <values.h> */
99abf803 2179# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2180# else
99abf803 2181# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2182# endif
2183#endif
2184
2185#ifdef INT_MIN
99abf803 2186# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2187#else
2188# ifdef MININT
99abf803 2189# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2190# else
2191# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2192# endif
2193#endif
2194
99abf803
PP
2195#ifdef ULONG_MAX
2196# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2197#else
99abf803
PP
2198# ifdef MAXULONG
2199# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2200# else
99abf803 2201# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2202# endif
2203#endif
2204
99abf803 2205#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2206
760ac839 2207#ifdef LONG_MAX
99abf803 2208# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2209#else
2210# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2211# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2212# else
99abf803 2213# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2214# endif
2215#endif
2216
2217#ifdef LONG_MIN
99abf803 2218# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2219#else
2220# ifdef MINLONG
99abf803 2221# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2222# else
27d4fb96 2223# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2224# endif
2225#endif
2226
d7d93a81 2227#ifdef UV_IS_QUAD
99abf803 2228
99abf803 2229# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2230# define PERL_UQUAD_MIN ((UV)0)
99abf803 2231# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2232# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2233
79072805
LW
2234#endif
2235
22f7c9c9
JH
2236#ifdef MYMALLOC
2237# include "malloc_ctl.h"
2238#endif
2239
830247a4 2240struct RExC_state_t;
8e11feef 2241struct _reg_trie_data;
880b20b6 2242
ee0007ab 2243typedef MEM_SIZE STRLEN;
450a55e4 2244
598921a7
NC
2245#ifdef PERL_MAD
2246typedef struct token TOKEN;
2247typedef struct madprop MADPROP;
2248typedef struct nexttoken NEXTTOKE;
2249#endif
79072805
LW
2250typedef struct op OP;
2251typedef struct cop COP;
2252typedef struct unop UNOP;
2253typedef struct binop BINOP;
2254typedef struct listop LISTOP;
2255typedef struct logop LOGOP;
79072805
LW
2256typedef struct pmop PMOP;
2257typedef struct svop SVOP;
7934575e 2258typedef struct padop PADOP;
79072805 2259typedef struct pvop PVOP;
79072805
LW
2260typedef struct loop LOOP;
2261
cd1541b2
NC
2262typedef struct interpreter PerlInterpreter;
2263
d2b3f365
SS
2264/* Amdahl's <ksync.h> has struct sv */
2265/* SGI's <sys/sema.h> has struct sv */
2266#if defined(UTS) || defined(__sgi)
2267# define STRUCT_SV perl_sv
b8d3c5db
JH
2268#else
2269# define STRUCT_SV sv
2270#endif
2271typedef struct STRUCT_SV SV;
79072805
LW
2272typedef struct av AV;
2273typedef struct hv HV;
2274typedef struct cv CV;
378cc40b 2275typedef struct regexp REGEXP;
79072805 2276typedef struct gp GP;
0c30d9ec 2277typedef struct gv GV;
8990e307 2278typedef struct io IO;
c09156bb 2279typedef struct context PERL_CONTEXT;
79072805
LW
2280typedef struct block BLOCK;
2281
2282typedef struct magic MAGIC;
2283typedef struct xpv XPV;
2284typedef struct xpviv XPVIV;
ff68c719 2285typedef struct xpvuv XPVUV;
79072805
LW
2286typedef struct xpvnv XPVNV;
2287typedef struct xpvmg XPVMG;
2288typedef struct xpvlv XPVLV;
2289typedef struct xpvav XPVAV;
2290typedef struct xpvhv XPVHV;
2291typedef struct xpvgv XPVGV;
2292typedef struct xpvcv XPVCV;
2293typedef struct xpvbm XPVBM;
2294typedef struct xpvfm XPVFM;
8990e307 2295typedef struct xpvio XPVIO;
79072805
LW
2296typedef struct mgvtbl MGVTBL;
2297typedef union any ANY;
5f7fde29
GS
2298typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2299typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2300typedef struct clone_params CLONE_PARAMS;
2301
378cc40b 2302#include "handy.h"
a0d0e21e 2303
6b8eaf93 2304#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2305# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2306# define USE_64_BIT_RAWIO /* implicit */
2307# endif
4564133c
JH
2308#endif
2309
6b8eaf93
JH
2310/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2311 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2312 * however, because operating systems like to do that themself. */
2313#ifndef FSEEKSIZE
2314# ifdef HAS_FSEEKO
2315# define FSEEKSIZE LSEEKSIZE
2316# else
2317# define FSEEKSIZE LONGSIZE
d460ef45 2318# endif
6b8eaf93
JH
2319#endif
2320
2321#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2322# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2323# define USE_64_BIT_STDIO /* implicit */
2324# endif
2325#endif
4564133c 2326
09458382 2327#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2328# ifdef HAS_OFF64_T
2329# undef Off_t
2330# define Off_t off64_t
2331# undef LSEEKSIZE
2332# define LSEEKSIZE 8
5ff3f7a4 2333# endif
d9b3e12d
JH
2334/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2335 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2336 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2337# if defined(USE_OPEN64)
2338# define open open64
5ff3f7a4 2339# endif
d9b3e12d
JH
2340# if defined(USE_LSEEK64)
2341# define lseek lseek64
6b8eaf93
JH
2342# else
2343# if defined(USE_LLSEEK)
2344# define lseek llseek
2345# endif
d9b3e12d
JH
2346# endif
2347# if defined(USE_STAT64)
2348# define stat stat64
2349# endif
2350# if defined(USE_FSTAT64)
2351# define fstat fstat64
2352# endif
2353# if defined(USE_LSTAT64)
2354# define lstat lstat64
2355# endif
2356# if defined(USE_FLOCK64)
2357# define flock flock64
2358# endif
2359# if defined(USE_LOCKF64)
2360# define lockf lockf64
2361# endif
2362# if defined(USE_FCNTL64)
2363# define fcntl fcntl64
2364# endif
2365# if defined(USE_TRUNCATE64)
2366# define truncate truncate64
2367# endif
2368# if defined(USE_FTRUNCATE64)
2369# define ftruncate ftruncate64
2370# endif
2371#endif
2372
2373#ifdef USE_64_BIT_STDIO
2374# ifdef HAS_FPOS64_T
2375# undef Fpos_t
2376# define Fpos_t fpos64_t
2377# endif
2378/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2379 * will trigger defines like the ones below. Some 64-bit environments,
2380 * however, do not. */
2381# if defined(USE_FOPEN64)
2382# define fopen fopen64
2383# endif
2384# if defined(USE_FSEEK64)
6b8eaf93 2385# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2386# endif
2387# if defined(USE_FTELL64)
6b8eaf93 2388# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2389# endif
2390# if defined(USE_FSETPOS64)
2391# define fsetpos fsetpos64
2392# endif
2393# if defined(USE_FGETPOS64)
2394# define fgetpos fgetpos64
2395# endif
2396# if defined(USE_TMPFILE64)
2397# define tmpfile tmpfile64
2398# endif
2399# if defined(USE_FREOPEN64)
2400# define freopen freopen64
5ff3f7a4
GS
2401# endif
2402#endif
2403
af8b425d 2404#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2405# include "iperlsys.h"
2406#endif
2407
6f71a643 2408#if defined(__OPEN_VM)
19848b3f
JH
2409# include "vmesa/vmesaish.h"
2410# define ISHISH "vmesa"
6f71a643
JH
2411#endif
2412
748a9306 2413#ifdef DOSISH
19848b3f
JH
2414# if defined(OS2)
2415# include "os2ish.h"
2416# else
2417# include "dosish.h"
2418# endif
2419# define ISHISH "dos"
2420#endif
2421
2422#if defined(VMS)
748a9306 2423# include "vmsish.h"
96e176bf 2424# include "embed.h"
eb8433b7
NC
2425# ifndef PERL_MAD
2426# undef op_getmad
b3f24c00 2427# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2428# endif
19848b3f
JH
2429# define ISHISH "vms"
2430#endif
2431
2432#if defined(PLAN9)
2433# include "./plan9/plan9ish.h"
2434# define ISHISH "plan9"
2435#endif
2436
2437#if defined(MPE)
2438# include "mpeix/mpeixish.h"
2439# define ISHISH "mpeix"
2440#endif
2441
2442#if defined(__VOS__)
196918b0
PG
2443# ifdef __GNUC__
2444# include "./vos/vosish.h"
2445# else
2446# include "vos/vosish.h"
2447# endif
19848b3f
JH
2448# define ISHISH "vos"
2449#endif
2450
2451#if defined(EPOC)
2452# include "epocish.h"
2453# define ISHISH "epoc"
2454#endif
2455
9969cdde 2456#ifdef __SYMBIAN32__
27da23d5
JH
2457# include "symbian/symbianish.h"
2458# include "embed.h"
eb8433b7
NC
2459# ifndef PERL_MAD
2460# undef op_getmad
b3f24c00 2461# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2462# endif
27da23d5
JH
2463# define ISHISH "symbian"
2464#endif
2465
19848b3f
JH
2466#if defined(MACOS_TRADITIONAL)
2467# include "macos/macish.h"
2468# ifndef NO_ENVIRON_ARRAY
2469# define NO_ENVIRON_ARRAY
0c30d9ec 2470# endif
19848b3f
JH
2471# define ISHISH "macos classic"
2472#endif
2473
efca5cc6
JH
2474#if defined(__BEOS__)
2475# include "beos/beosish.h"
2476# define ISHISH "beos"
2477#endif
2478
19848b3f
JH
2479#ifndef ISHISH
2480# include "unixish.h"
2481# define ISHISH "unix"
13b6e58c
JH
2482#endif
2483
2946a158
JH
2484/* NSIG logic from Configure --> */
2485/* Strange style to avoid deeply-nested #if/#else/#endif */
2486#ifndef NSIG
2487# ifdef _NSIG
2488# define NSIG (_NSIG)
2489# endif
2490#endif
2491
2492#ifndef NSIG
2493# ifdef SIGMAX
2494# define NSIG (SIGMAX+1)
2495# endif
2496#endif
2497
2498#ifndef NSIG
2499# ifdef SIG_MAX
2500# define NSIG (SIG_MAX+1)
2501# endif
2502#endif
2503
2504#ifndef NSIG
2505# ifdef _SIG_MAX
2506# define NSIG (_SIG_MAX+1)
2507# endif
2508#endif
2509
2510#ifndef NSIG
2511# ifdef MAXSIG
2512# define NSIG (MAXSIG+1)
2513# endif
2514#endif
2515
2516#ifndef NSIG
2517# ifdef MAX_SIG
2518# define NSIG (MAX_SIG+1)
2519# endif
2520#endif
2521
2522#ifndef NSIG
2523# ifdef SIGARRAYSIZE
2524# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2525# endif
2526#endif
2527
2528#ifndef NSIG
2529# ifdef _sys_nsig
2530# define NSIG (_sys_nsig) /* Solaris 2.5 */
2531# endif
2532#endif
2533
2534/* Default to some arbitrary number that's big enough to get most
2535 of the common signals.
2536*/
2537#ifndef NSIG
2538# define NSIG 50
2539#endif
2540/* <-- NSIG logic from Configure */
2541
13b6e58c
JH
2542#ifndef NO_ENVIRON_ARRAY
2543# define USE_ENVIRON_ARRAY
2544#endif
32f822de 2545
c77b533b
JH
2546/*
2547 * initialise to avoid floating-point exceptions from overflow, etc
2548 */
2549#ifndef PERL_FPU_INIT
2550# ifdef HAS_FPSETMASK
2551# if HAS_FLOATINGPOINT_H
2552# include <floatingpoint.h>
2553# endif
2554# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2555# else
2f42fcb0 2556# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2557# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS
2558# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2559# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2560# else
2561# define PERL_FPU_INIT
2f42fcb0 2562
7014c407 2563# endif
c77b533b
JH
2564# endif
2565#endif
b35112e7
CS
2566#ifndef PERL_FPU_PRE_EXEC
2567# define PERL_FPU_PRE_EXEC {
2568# define PERL_FPU_POST_EXEC }
2569#endif
c77b533b 2570
ed344e4f
IZ
2571#ifndef PERL_SYS_INIT3
2572# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2573#endif
2574
be708cc0
JH
2575#ifndef PERL_WRITE_MSG_TO_CONSOLE
2576# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2577#endif
2578
0f31cffe
GS
2579#ifndef MAXPATHLEN
2580# ifdef PATH_MAX
b990c8b2
JH
2581# ifdef _POSIX_PATH_MAX
2582# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2583/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2584 * included the null byte or not. Later amendments of POSIX,
2585 * XPG4, the Austin Group, and the Single UNIX Specification
2586 * all explicitly include the null byte in the PATH_MAX.
2587 * Ditto for _POSIX_PATH_MAX. */
2588# define MAXPATHLEN PATH_MAX
b990c8b2 2589# else
09448d78 2590# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2591# endif
2592# else
2593# define MAXPATHLEN (PATH_MAX+1)
2594# endif
0f31cffe 2595# else
b990c8b2 2596# ifdef _POSIX_PATH_MAX
09448d78 2597# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2598# else
2599# define MAXPATHLEN 1024 /* Err on the large side. */
2600# endif
0f31cffe
GS
2601# endif
2602#endif
2603
c80263a8
SH
2604/* In case Configure was not used (we are using a "canned config"
2605 * such as Win32, or a cross-compilation setup, for example) try going
2606 * by the gcc major and minor versions. One useful URL is
2607 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2608 * but contrary to this information warn_unused_result seems
2609 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2610 * Also, when building extensions with an installed perl, this allows
2611 * the user to upgrade gcc and get the right attributes, rather than
2612 * relying on the list generated at Configure time. --AD
c80263a8
SH
2613 * Set these up now otherwise we get confused when some of the <*thread.h>
2614 * includes below indirectly pull in <perlio.h> (which needs to know if we
2615 * have HASATTRIBUTE_FORMAT).
2616 */
2617
fc2007d4 2618#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2619# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2620# define HASATTRIBUTE_FORMAT
2621# endif
2622# if __GNUC__ >= 3 /* 3.0 -> */
2623# define HASATTRIBUTE_MALLOC
2624# endif
2625# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2626# define HASATTRIBUTE_NONNULL
2627# endif
2628# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2629# define HASATTRIBUTE_NORETURN
2630# endif
2631# if __GNUC__ >= 3 /* gcc 3.0 -> */
2632# define HASATTRIBUTE_PURE
2633# endif
42bf5550 2634# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2635# define HASATTRIBUTE_UNUSED
2636# endif
d324fe49
AD
2637# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2638# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2639# endif
c80263a8
SH
2640# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2641# define HASATTRIBUTE_WARN_UNUSED_RESULT
2642# endif
2643#endif
2644
3db8f154 2645/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2646 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2647 * this results in many functions being undeclared which bothers C++
2648 * May make sense to have threads after "*ish.h" anyway
2649 */
2650
3db8f154 2651#if defined(USE_ITHREADS)
2986a63f
JH
2652# ifdef NETWARE
2653# include <nw5thread.h>
2654# else
32f822de
GS
2655# ifdef FAKE_THREADS
2656# include "fakethr.h"
2657# else
2658# ifdef WIN32
2659# include <win32thread.h>
2660# else
dd96f567
IZ
2661# ifdef OS2
2662# include "os2thread.h"
2663# else
7f3d1cf1 2664# ifdef I_MACH_CTHREADS
bdd66968 2665# include <mach/cthreads.h>
8f1f23e8 2666# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2667# define MUTEX_INIT_CALLS_MALLOC
2668# endif
7f3d1cf1
BH
2669typedef cthread_t perl_os_thread;
2670typedef mutex_t perl_mutex;
2671typedef condition_t perl_cond;
2672typedef void * perl_key;
2673# else /* Posix threads */
1f5ae88c
JH
2674# ifdef I_PTHREAD
2675# include <pthread.h>
2676# endif
7f3d1cf1
BH
2677typedef pthread_t perl_os_thread;
2678typedef pthread_mutex_t perl_mutex;
2679typedef pthread_cond_t perl_cond;
2680typedef pthread_key_t perl_key;
2681# endif /* I_MACH_CTHREADS */
dd96f567 2682# endif /* OS2 */
32f822de
GS
2683# endif /* WIN32 */
2684# endif /* FAKE_THREADS */
2986a63f 2685#endif /* NETWARE */
3db8f154 2686#endif /* USE_ITHREADS */
c5be433b 2687
66a93824 2688#if defined(WIN32)
1feb2720 2689# include "win32.h"
c5be433b
GS
2690#endif
2691
2986a63f
JH
2692#ifdef NETWARE
2693# include "netware.h"
2694#endif
2695
e5218da5 2696#define STATUS_UNIX PL_statusvalue
68dc0745 2697#ifdef VMS
6b88bc9c 2698# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2699/*
2700 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2701 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2702 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2703 * be updated also.
2704 */
2705# include <stsdef.h>
2706# include <ssdef.h>
2707/* Presume this because if VMS changes it, it will require a new
2708 * set of APIs for waiting on children for binary compatibility.
2709 */
2710# define child_offset_bits (8)
2711# ifndef C_FAC_POSIX
2712# define C_FAC_POSIX 0x35A000
2713# endif
2714
2715/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2716 * platform from the existing UNIX or Native status values.
2717 */
2718
37038d91 2719# define STATUS_EXIT \
7a7fd8e0
JM
2720 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2721 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2722
7a7fd8e0 2723
fb38d079
JM
2724/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2725 * exit code and shifts the UNIX value over the correct number of bits to
2726 * be a child status. Usually the number of bits is 8, but that could be
2727 * platform dependent. The NATIVE status code is presumed to have either
2728 * from a child process.
7a7fd8e0
JM
2729 */
2730
fb38d079
JM
2731/* This is complicated. The child processes return a true native VMS
2732 status which must be saved. But there is an assumption in Perl that
2733 the UNIX child status has some relationship to errno values, so
2734 Perl tries to translate it to text in some of the tests.
2735 In order to get the string translation correct, for the error, errno
2736 must be EVMSERR, but that generates a different text message
2737 than what the test programs are expecting. So an errno value must
2738 be derived from the native status value when an error occurs.
2739 That will hide the true native status message. With this version of
2740 perl, the true native child status can always be retrieved so that
2741 is not a problem. But in this case, Pl_statusvalue and errno may
2742 have different values in them.
2743 */
7a7fd8e0 2744
fb38d079 2745# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2746 STMT_START { \
2fbb330f
JM
2747 I32 evalue = (I32)n; \
2748 if (evalue == EVMSERR) { \
2749 PL_statusvalue_vms = vaxc$errno; \
2750 PL_statusvalue = evalue; \
7a7fd8e0 2751 } else { \
2fbb330f 2752 PL_statusvalue_vms = evalue; \
fb38d079 2753 if (evalue == -1) { \
3280af22 2754 PL_statusvalue = -1; \
7a7fd8e0
JM
2755 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2756 } else \
fb38d079 2757 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2758 set_vaxc_errno(evalue); \
fb38d079
JM
2759 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2760 set_errno(EVMSERR); \
2761 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2762 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2763 } \
68dc0745 2764 } STMT_END
7a7fd8e0 2765
68dc0745 2766# ifdef VMSISH_STATUS
e5218da5 2767# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2768# else
e5218da5 2769# define STATUS_CURRENT STATUS_UNIX
68dc0745 2770# endif
7a7fd8e0
JM
2771
2772 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2773 * the NATIVE status to an equivalent value. Can not be used to translate
2774 * exit code values as exit code values are not guaranteed to have any
2775 * relationship at all to errno values.
2776 * This is used when Perl is forcing errno to have a specific value.
2777 */
e5218da5 2778# define STATUS_UNIX_SET(n) \
68dc0745 2779 STMT_START { \
7a7fd8e0 2780 I32 evalue = (I32)n; \
0968cdad 2781 PL_statusvalue = evalue; \
3280af22 2782 if (PL_statusvalue != -1) { \
0968cdad
JM
2783 if (PL_statusvalue != EVMSERR) { \
2784 PL_statusvalue &= 0xFFFF; \
2785 if (MY_POSIX_EXIT) \
2786 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2787 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2788 } \
2789 else { \
2790 PL_statusvalue_vms = vaxc$errno; \
2791 } \
68dc0745 2792 } \
0968cdad
JM
2793 else PL_statusvalue_vms = SS$_ABORT; \
2794 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2795 } STMT_END
2796
2797 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2798 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2799 * the UNIX/POSIX exit codes have any relationship to errno, except
2800 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2801 * with the Perl VMS documentation, any other code sets the NATIVE
2802 * status to a failure code of SS$_ABORT.
fb38d079
JM
2803 *
2804 * In the new POSIX EXIT mode, native status will be set so that the
2805 * actual exit code will can be retrieved by the calling program or
2806 * shell.
2807 *
2808 * If the exit code is not clearly a UNIX parent or child exit status,
2809 * it will be passed through as a VMS status.
7a7fd8e0
JM
2810 */
2811
fb38d079 2812# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2813 STMT_START { \
2814 I32 evalue = (I32)n; \
2815 PL_statusvalue = evalue; \
fb38d079
JM
2816 if (evalue != -1) { \
2817 if (evalue <= 0xFF00) { \
2818 if (evalue > 0xFF) \
2819 evalue = (evalue >> child_offset_bits) & 0xFF; \
2820 if (evalue == 0) \
2821 PL_statusvalue_vms == SS$_NORMAL; \
2822 else \
2823 if (MY_POSIX_EXIT) \
2824 PL_statusvalue_vms = \
2825 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2826 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2827 else \
6ac6a52b 2828 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2829 } else { /* forgive them Perl, for they have sinned */ \
2830 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2831 else PL_statusvalue_vms = vaxc$errno; \
2832 /* And obviously used a VMS status value instead of UNIX */ \
2833 PL_statusvalue = EVMSERR; \
2834 } \
7a7fd8e0
JM
2835 } \
2836 else PL_statusvalue_vms = SS$_ABORT; \
2837 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2838 } STMT_END
fb38d079 2839
6ac6a52b
JM
2840 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2841 * and sets the NATIVE error status based on it. This special case
2842 * is needed to maintain compatibility with past VMS behavior.
2843 *
2844 * In the default mode on VMS, this number is passed through as
2845 * both the NATIVE and UNIX status. Which makes it different
2846 * that the STATUS_UNIX_EXIT_SET.
2847 *
2848 * In the new POSIX EXIT mode, native status will be set so that the
2849 * actual exit code will can be retrieved by the calling program or
2850 * shell.
2851 *
2852 */
2853
2854# define STATUS_EXIT_SET(n) \
2855 STMT_START { \
2856 I32 evalue = (I32)n; \
2857 PL_statusvalue = evalue; \
2858 if (MY_POSIX_EXIT) \
2859 PL_statusvalue_vms = \
2860 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2861 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2862 else \
2863 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2864 set_vaxc_errno(PL_statusvalue_vms); \
2865 } STMT_END
2866
fb38d079
JM
2867
2868 /* This macro forces a success status */
7a7fd8e0
JM
2869# define STATUS_ALL_SUCCESS \
2870 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2871
2872 /* This macro forces a failure status */
7a7fd8e0
JM
2873# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2874 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2875 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2876
68dc0745 2877#else
e5218da5 2878# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2879# if defined(WCOREDUMP)
37038d91 2880# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2881 STMT_START { \
2882 PL_statusvalue_posix = (n); \
2883 if (PL_statusvalue_posix == -1) \
2884 PL_statusvalue = -1; \
2885 else { \
2886 PL_statusvalue = \
2887 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2888 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2889 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2890 } \
2891 } STMT_END
2892# elif defined(WIFEXITED)
37038d91 2893# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2894 STMT_START { \
2895 PL_statusvalue_posix = (n); \
2896 if (PL_statusvalue_posix == -1) \
2897 PL_statusvalue = -1; \
2898 else { \
2899 PL_statusvalue = \
2900 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2901 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2902 } \
2903 } STMT_END
2904# else
37038d91 2905# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2906 STMT_START { \
2907 PL_statusvalue_posix = (n); \
2908 if (PL_statusvalue_posix == -1) \
2909 PL_statusvalue = -1; \
2910 else { \
2911 PL_statusvalue = \
2912 PL_statusvalue_posix & 0xFFFF; \
2913 } \
2914 } STMT_END
2915# endif
2916# define STATUS_UNIX_SET(n) \
68dc0745 2917 STMT_START { \
3280af22
NIS
2918 PL_statusvalue = (n); \
2919 if (PL_statusvalue != -1) \
2920 PL_statusvalue &= 0xFFFF; \
68dc0745 2921 } STMT_END
7a7fd8e0 2922# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2923# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2924# define STATUS_CURRENT STATUS_UNIX
37038d91 2925# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2926# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2927# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2928#endif
2929
cc3604b1
GS
2930/* flags in PL_exit_flags for nature of exit() */
2931#define PERL_EXIT_EXPECTED 0x01
31d77e54 2932#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2933
0b94c7bb 2934#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2935# define MEMBER_TO_FPTR(name) name
2936#endif
2937
2938/* format to use for version numbers in file/directory names */
273cf8d1 2939/* XXX move to Configure? */
a7cb1f99 2940#ifndef PERL_FS_VER_FMT
273cf8d1 2941# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2942#endif
2943
45bc9206 2944/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2945 * performance issue, so we allow people to disable it. Also, if
2946 * we are using stdio, there are broken implementations of fflush(NULL)
2947 * out there, Solaris being the most prominent.
45bc9206
GS
2948 */
2949#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2950# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2951# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2952# else
2953# ifdef FFLUSH_ALL
2954# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2955# else
c5be433b 2956# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2957# endif
66fe083f 2958# endif
45bc9206
GS
2959#endif
2960
7766f137
GS
2961#ifndef PERL_WAIT_FOR_CHILDREN
2962# define PERL_WAIT_FOR_CHILDREN NOOP
2963#endif
2964
ba869deb 2965/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2966#ifndef PERL_SET_INTERP
2967# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2968#endif
2969
2970#ifndef PERL_GET_INTERP
2971# define PERL_GET_INTERP (PL_curinterp)
2972#endif
2973
54aff467 2974#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2975# ifdef MULTIPLICITY
ba869deb 2976# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2977# endif
ba869deb
GS
2978# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2979#endif
2980
8896765a
RB
2981/*
2982 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2983 All that is required is that the perl source does not
8896765a
RB
2984 use "%-p" or "%-<number>p" or "%<number>p" formats.
2985 These formats will still work in perl code.
2986 See comments in sv.c for futher details.
2987
2988 -DvdNUMBER=<number> can be used to redefine VDf
2989
2990 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2991 which works properly but gives compiler warnings
2992
2993 Robin Barker 2005-07-14
0dbb1585 2994*/
8896765a
RB
2995
2996#ifndef SVf_
63ce7bf0 2997# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
2998#endif
2999
8896765a 3000#ifndef SVf
104abab4 3001# define SVf "-p"
d2560b70
RB
3002#endif
3003
014ead4b 3004#ifndef SVf32
8896765a 3005# define SVf32 SVf_(32)
014ead4b
RB
3006#endif
3007
3008#ifndef SVf256
8896765a
RB
3009# define SVf256 SVf_(256)
3010#endif
3011
3012#ifndef vdNUMBER
3013# define vdNUMBER 1
3014#endif
3015
3016#ifndef VDf
3017# if vdNUMBER
63ce7bf0 3018# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3019# else
3020# define VDf "vd"
3021# endif
014ead4b
RB
3022#endif
3023
f5992bc4 3024/* not used; but needed for backward compatibilty with XS code? - RMB */
014ead4b
RB
3025#ifndef UVf
3026# define UVf UVuf
d2560b70
RB
3027#endif
3028
0dbb1585
AL
3029#ifdef HASATTRIBUTE_FORMAT
3030# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3031#endif
3032#ifdef HASATTRIBUTE_MALLOC
77785eea 3033# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3034#endif
0dbb1585 3035#ifdef HASATTRIBUTE_NONNULL
abb2c242 3036# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3037#endif
0dbb1585 3038#ifdef HASATTRIBUTE_NORETURN
abb2c242 3039# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3040#endif
0dbb1585 3041#ifdef HASATTRIBUTE_PURE
abb2c242 3042# define __attribute__pure__ __attribute__((pure))
f22be1b8 3043#endif
0dbb1585
AL
3044#ifdef HASATTRIBUTE_UNUSED
3045# define __attribute__unused__ __attribute__((unused))
3046#endif
3047#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3048# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3049#endif
3050
0dbb1585
AL
3051/* If we haven't defined the attributes yet, define them to blank. */
3052#ifndef __attribute__format__
3053# define __attribute__format__(x,y,z)
3054#endif
f22be1b8 3055#ifndef __attribute__malloc__
abb2c242 3056# define __attribute__malloc__
f22be1b8
JH
3057#endif
3058#ifndef __attribute__nonnull__
abb2c242 3059# define __attribute__nonnull__(a)
f22be1b8
JH
3060#endif
3061#ifndef __attribute__noreturn__
abb2c242 3062# define __attribute__noreturn__
f22be1b8
JH
3063#endif
3064#ifndef __attribute__pure__
abb2c242 3065# define __attribute__pure__
f22be1b8 3066#endif
0dbb1585
AL
3067#ifndef __attribute__unused__
3068# define __attribute__unused__
3069#endif
f22be1b8 3070#ifndef __attribute__warn_unused_result__
abb2c242
JH
3071# define __attribute__warn_unused_result__
3072#endif
3073
0dbb1585
AL
3074/* For functions that are marked as __attribute__noreturn__, it's not
3075 appropriate to call return. In either case, include the lint directive.
3076 */
3077#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3078# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3079#else
b37c2d43 3080# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3081#endif
3082
635aebb7 3083#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3084# define EXPECT(expr,val) __builtin_expect(expr,val)
3085#else
3086# define EXPECT(expr,val) (expr)
3087#endif
3088#define LIKELY(cond) EXPECT(cond,1)
3089#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3090#ifdef HAS_BUILTIN_CHOOSE_EXPR
3091/* placeholder */
3092#endif
b37c2d43 3093
3fc1aec6
PP
3094/* Some unistd.h's give a prototype for pause() even though
3095 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3096 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3097*/
3098#ifdef HAS_PAUSE
3099#define Pause pause
3100#else
3101#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3102#endif
3103
3104#ifndef IOCPARM_LEN
3105# ifdef IOCPARM_MASK
61f1c44b 3106 /* on BSDish systems we're safe */
748a9306
LW
3107# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3108# else
61f1c44b 3109# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3110 /* on Linux systems we're safe; except when we're not [perl #38223] */
3111# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3112# else
748a9306 3113 /* otherwise guess at what's safe */
61f1c44b
JVD
3114# define IOCPARM_LEN(x) 256
3115# endif
748a9306 3116# endif
a0d0e21e
LW
3117#endif
3118
1761cee5 3119#if defined(__CYGWIN__)
521e0776
GS
3120/* USEMYBINMODE
3121 * This symbol, if defined, indicates that the program should
16fe6d59 3122 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3123 * that a file is in "binary" mode -- that is, that no translation
3124 * of bytes occurs on read or write operations.
3125 */
36894f0b 3126# define USEMYBINMODE /**/
77a40698 3127# include <io.h> /* for setmode() prototype */
16fe6d59 3128# define my_binmode(fp, iotype, mode) \
77a40698 3129 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3130#endif
3131
88d10794
JH
3132#ifdef __CYGWIN__
3133void init_os_extras(void);
3134#endif
3135
cea2e8a9
GS
3136#ifdef UNION_ANY_DEFINITION
3137UNION_ANY_DEFINITION;
3138#else
3139union any {
3140 void* any_ptr;
3141 I32 any_i32;
3142 IV any_iv;
3143 long any_long;
9febdf04 3144 bool any_bool;
c76ac1ee 3145 void (*any_dptr) (void*);
acfe0abc 3146 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3147};
3148#endif
3149
acfe0abc 3150typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3151
3152#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3153#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3154#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3155
c5078cac
JH
3156#if defined(_AIX) && !defined(_AIX43)
3157#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3158/* We cannot include <crypt.h> to get the struct crypt_data
3159 * because of setkey prototype problems when threading */
3160typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3161 /* From OSF, Not needed in AIX
3162 char C[28], D[28];
3163 */
3164 char E[48];
3165 char KS[16][48];
3166 char block[66];
3167 char iobuf[16];
3168} CRYPTD;
3169#endif /* threading */
3170#endif /* AIX */
3171
af8b425d 3172#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3173# include "iperlsys.h"
3174#endif
504f80c1 3175
d10dc2ae
JH
3176/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3177 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3178 * defined by Configure, despite their names being similar to the
3179 * other defines like USE_ITHREADS. Configure in fact knows nothing
3180 * about the randomised hashes. Therefore to enable/disable the hash
3181 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3182#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3183# define USE_HASH_SEED
504f80c1
JH
3184#endif
3185
598921a7
NC
3186/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3187 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3188 * it's not really needed.
3189 */
3190#if defined(WIN32)
3191# define YYTOKENTYPE
3192#endif
3193#include "perly.h"
3194
3195#ifdef PERL_MAD
3196struct nexttoken {
3197 YYSTYPE next_val; /* value of next token, if any */
3198 I32 next_type; /* type of next token */
3199 MADPROP *next_mad; /* everything else about that token */
3200};
3201#endif
3202
378cc40b 3203#include "regexp.h"
79072805 3204#include "sv.h"
378cc40b 3205#include "util.h"
8d063cd8 3206#include "form.h"
79072805 3207#include "gv.h"
dd2155a4 3208#include "pad.h"
79072805 3209#include "cv.h"
abdd5c84 3210#include "opnames.h"
79072805 3211#include "op.h"
b3ca2e83 3212#include "hv.h"
79072805
LW
3213#include "cop.h"
3214#include "av.h"
79072805
LW
3215#include "mg.h"
3216#include "scope.h"
4438c4b7 3217#include "warnings.h"
a0ed51b3 3218#include "utf8.h"
8d063cd8 3219
7fae4e64
GS
3220
3221typedef struct _sublex_info SUBLEXINFO;
3222struct _sublex_info {
3223 I32 super_state; /* lexer state to save */
3224 I32 sub_inwhat; /* "lex_inwhat" to use */
3225 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3226 char *super_bufptr; /* PL_bufptr that was */
3227 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3228};
3229
455ece5e 3230typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3231
2c2d71f5 3232struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3233struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3234
6f51351d
NC
3235/* Keep next first in this structure, because sv_free_arenas take
3236 advantage of this to share code between the pte arenas and the SV
3237 body arenas */
5f7fde29
GS
3238struct ptr_tbl_ent {
3239 struct ptr_tbl_ent* next;
53c1dcc0 3240 const void* oldval;
5f7fde29 3241 void* newval;
d18c6117
GS
3242};
3243
5f7fde29
GS
3244struct ptr_tbl {
3245 struct ptr_tbl_ent** tbl_ary;
3246 UV tbl_max;
3247 UV tbl_items;
d18c6117
GS
3248};
3249
450a55e4 3250#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3251# define I286
3252#endif
3253
fe14fcc3
LW
3254#if defined(htonl) && !defined(HAS_HTONL)
3255#define HAS_HTONL
ae986130 3256#endif
fe14fcc3
LW
3257#if defined(htons) && !defined(HAS_HTONS)
3258#define HAS_HTONS
ae986130 3259#endif
fe14fcc3
LW
3260#if defined(ntohl) && !defined(HAS_NTOHL)
3261#define HAS_NTOHL
ae986130 3262#endif
fe14fcc3
LW
3263#if defined(ntohs) && !defined(HAS_NTOHS)
3264#define HAS_NTOHS
ae986130 3265#endif
fe14fcc3 3266#ifndef HAS_HTONL
d9d8d8de 3267#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3268#define HAS_HTONS
3269#define HAS_HTONL
3270#define HAS_NTOHS
3271#define HAS_NTOHL
a687059c
LW
3272#define MYSWAP
3273#define htons my_swap
3274#define htonl my_htonl
3275#define ntohs my_swap
3276#define ntohl my_ntohl
3277#endif
3278#else
d9d8d8de 3279#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3280#undef HAS_HTONS
3281#undef HAS_HTONL
3282#undef HAS_NTOHS
3283#undef HAS_NTOHL
a687059c
LW
3284#endif
3285#endif
3286
988174c1
LW
3287/*
3288 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3289 * -DWS
3290 */
3291#if BYTEORDER != 0x1234
3292# define HAS_VTOHL
3293# define HAS_VTOHS
3294# define HAS_HTOVL
3295# define HAS_HTOVS
c67712b2 3296# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3297# define vtohl(x) ((((x)&0xFF)<<24) \
3298 +(((x)>>24)&0xFF) \
3299 +(((x)&0x0000FF00)<<8) \
3300 +(((x)&0x00FF0000)>>8) )
3301# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3302# define htovl(x) vtohl(x)
3303# define htovs(x) vtohs(x)
3304# endif
3305 /* otherwise default to functions in util.c */
2a8c3029 3306#ifndef htovs
c623ac67
GS
3307short htovs(short n);
3308short vtohs(short n);
3309long htovl(long n);
3310long vtohl(long n);
988174c1 3311#endif
2a8c3029 3312#endif
988174c1 3313
3bb7c1b4
JH
3314/* *MAX Plus 1. A floating point value.
3315 Hopefully expressed in a way that dodgy floating point can't mess up.
3316 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3317 is added to it
3318 May find that some broken compiler will want the value cast to I32.
3319 [after the shift, as signed >> may not be as secure as unsigned >>]
3320*/
3321#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3322#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3323/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3324 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3325 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3326*/
3327#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3328
3bb7c1b4
JH
3329#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3330#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3331#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3332
3333/* This may look like unnecessary jumping through hoops, but converting
3334 out of range floating point values to integers *is* undefined behaviour,
3335 and it is starting to bite.
3336*/
3337#ifndef CAST_INLINE
65202027 3338#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3339#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3340#define I_V(what) (cast_iv((NV)(what)))
3341#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3342#else
3343#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3344 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3345 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3346#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3347 : ((n) < U32_MAX_P1 ? (U32) (n) \
3348 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3349#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3350 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3351 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3352#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3353 : ((n) < UV_MAX_P1 ? (UV) (n) \
3354 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3355#endif
3356
3357#define U_S(what) ((U16)U_32(what))
3358#define U_I(what) ((unsigned int)U_32(what))
3359#define U_L(what) U_32(what)
ed6116ce 3360
2d4389e4
JH
3361/* These do not care about the fractional part, only about the range. */
3362#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3363#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3364
25da4f38
IZ
3365/* Used with UV/IV arguments: */
3366 /* XXXX: need to speed it up */
3367#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3368#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3369
352d5a3a
LW
3370#ifndef MAXSYSFD
3371# define MAXSYSFD 2
3372#endif
ee0007ab 3373
79072805 3374#ifndef __cplusplus
27da23d5 3375#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3376Uid_t getuid (void);
3377Uid_t geteuid (void);
3378Gid_t getgid (void);
3379Gid_t getegid (void);
79072805 3380#endif
e1caacb4 3381#endif
8d063cd8 3382
0c30d9ec 3383#ifndef Perl_debug_log
bf49b057
GS
3384# define Perl_debug_log PerlIO_stderr()
3385#endif
3386
3387#ifndef Perl_error_log
3388# define Perl_error_log (PL_stderrgv \
6b78add2 3389 && isGV(PL_stderrgv) \
01bb7c6d 3390 && GvIOp(PL_stderrgv) \
42de951c 3391 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3392 ? IoOFP(GvIOp(PL_stderrgv)) \
3393 : PerlIO_stderr())
0c30d9ec 3394#endif
3967c732 3395
aea4f609
DM
3396
3397#define DEBUG_p_FLAG 0x00000001 /* 1 */
3398#define DEBUG_s_FLAG 0x00000002 /* 2 */
3399#define DEBUG_l_FLAG 0x00000004 /* 4 */
3400#define DEBUG_t_FLAG 0x00000008 /* 8 */
3401#define DEBUG_o_FLAG 0x00000010 /* 16 */
3402#define DEBUG_c_FLAG 0x00000020 /* 32 */
3403#define DEBUG_P_FLAG 0x00000040 /* 64 */
3404#define DEBUG_m_FLAG 0x00000080 /* 128 */
3405#define DEBUG_f_FLAG 0x00000100 /* 256 */
3406#define DEBUG_r_FLAG 0x00000200 /* 512 */
3407#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3408#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3409 /* spare */
aea4f609
DM
3410#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3411#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3412#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3413#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3414#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3415#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3416#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3417#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3418#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3419#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3420#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3421#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3422
3423#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3424#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3425 that something was done? */
aea4f609 3426
bd16a5f0
IZ
3427# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3428# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3429# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3430# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3431# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3432# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3433# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3434# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3435# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3436# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3437# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3438# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3439# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3440# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3441# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3442# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3443# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3444# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3445# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3446# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3447# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3448# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3449# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3450# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3451
3967c732 3452#ifdef DEBUGGING
aea4f609 3453
bd16a5f0
IZ
3454# define DEBUG_p_TEST DEBUG_p_TEST_
3455# define DEBUG_s_TEST DEBUG_s_TEST_
3456# define DEBUG_l_TEST DEBUG_l_TEST_
3457# define DEBUG_t_TEST DEBUG_t_TEST_
3458# define DEBUG_o_TEST DEBUG_o_TEST_
3459# define DEBUG_c_TEST DEBUG_c_TEST_
3460# define DEBUG_P_TEST DEBUG_P_TEST_
3461# define DEBUG_m_TEST DEBUG_m_TEST_
3462# define DEBUG_f_TEST DEBUG_f_TEST_
3463# define DEBUG_r_TEST DEBUG_r_TEST_
3464# define DEBUG_x_TEST DEBUG_x_TEST_
3465# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3466# define DEBUG_H_TEST DEBUG_H_TEST_
3467# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3468# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3469# define DEBUG_D_TEST DEBUG_D_TEST_
3470# define DEBUG_S_TEST DEBUG_S_TEST_
3471# define DEBUG_T_TEST DEBUG_T_TEST_
3472# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3473# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3474# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3475# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3476# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3477# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3478
488b0c7a
JH
3479# define PERL_DEB(a) a
3480# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3481# define DEBUG_p(a) if (DEBUG_p_TEST) a
3482# define DEBUG_s(a) if (DEBUG_s_TEST) a
3483# define DEBUG_l(a) if (DEBUG_l_TEST) a
3484# define DEBUG_t(a) if (DEBUG_t_TEST) a
3485# define DEBUG_o(a) if (DEBUG_o_TEST) a
3486# define DEBUG_c(a) if (DEBUG_c_TEST) a
3487# define DEBUG_P(a) if (DEBUG_P_TEST) a
3488
969058bb
VK
3489 /* Temporarily turn off memory debugging in case the a
3490 * does memory allocation, either directly or indirectly. */
acfe0abc 3491# define DEBUG_m(a) \
0b250b9e 3492 STMT_START { \
aea4f609 3493 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3494 } STMT_END
aea4f609 3495
5f80b19c
AMS
3496# define DEBUG__(t, a) \
3497 STMT_START { \
3498 if (t) STMT_START {a;} STMT_END; \
3499 } STMT_END
3500
3501# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3502# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3503# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3504# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3505# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3506# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3507# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3508# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3509
3db8f154 3510# define DEBUG_S(a)
aea4f609 3511
5f80b19c
AMS
3512# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3513# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3514# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3515# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3516# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3517# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3518
3519#else /* DEBUGGING */
3520
3521# define DEBUG_p_TEST (0)
3522# define DEBUG_s_TEST (0)
3523# define DEBUG_l_TEST (0)
3524# define DEBUG_t_TEST (0)
3525# define DEBUG_o_TEST (0)
3526# define DEBUG_c_TEST (0)
3527# define DEBUG_P_TEST (0)
3528# define DEBUG_m_TEST (0)
3529# define DEBUG_f_TEST (0)
3530# define DEBUG_r_TEST (0)
3531# define DEBUG_x_TEST (0)
3532# define DEBUG_u_TEST (0)
aea4f609
DM
3533# define DEBUG_H_TEST (0)
3534# define DEBUG_X_TEST (0)
dd2155a4 3535# define DEBUG_Xv_TEST (0)
aea4f609
DM
3536# define DEBUG_D_TEST (0)
3537# define DEBUG_S_TEST (0)
3538# define DEBUG_T_TEST (0)
04932ac8 3539# define DEBUG_R_TEST (0)
1045810a 3540# define DEBUG_J_TEST (0)
d6721266 3541# define DEBUG_v_TEST (0)
46187eeb 3542# define DEBUG_C_TEST (0)
ecae49c0
NC
3543# define DEBUG_A_TEST (0)
3544# define DEBUG_q_TEST (0)
aea4f609 3545
488b0c7a
JH
3546# define PERL_DEB(a)
3547# define PERL_DEBUG(a)
aea4f609
DM
3548# define DEBUG_p(a)
3549# define DEBUG_s(a)
3550# define DEBUG_l(a)
3551# define DEBUG_t(a)
3552# define DEBUG_o(a)
3553# define DEBUG_c(a)
3554# define DEBUG_P(a)
3555# define DEBUG_m(a)
3556# define DEBUG_f(a)
3557# define DEBUG_r(a)
3558# define DEBUG_x(a)
3559# define DEBUG_u(a)
aea4f609
DM
3560# define DEBUG_H(a)
3561# define DEBUG_X(a)
dd2155a4 3562# define DEBUG_Xv(a)
aea4f609
DM
3563# define DEBUG_D(a)
3564# define DEBUG_S(a)
3565# define DEBUG_T(a)
04932ac8 3566# define DEBUG_R(a)
d6721266 3567# define DEBUG_v(a)
46187eeb 3568# define DEBUG_C(a)
ecae49c0
NC
3569# define DEBUG_A(a)
3570# define DEBUG_q(a)
aea4f609
DM
3571#endif /* DEBUGGING */
3572
3573
b4ab917c
DM
3574#define DEBUG_SCOPE(where) \
3575 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3576 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3577
3578
3579
3580
d1be9408 3581/* These constants should be used in preference to raw characters
14befaf4
DM
3582 * when using magic. Note that some perl guts still assume
3583 * certain character properties of these constants, namely that
3584 * isUPPER() and toLOWER() may do useful mappings.
3585 *
3586 * Update the magic_names table in dump.c when adding/amending these
3587 */
3588
3589#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3590#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3591#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3592#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3593#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3594#define PERL_MAGIC_regdata 'D' /* Regex match position data
3595 (@+ and @- vars) */
3596#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3597#define PERL_MAGIC_env 'E' /* %ENV hash */
3598#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3599#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3600#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3601#define PERL_MAGIC_hints 'H' /* %^H hash */
3602#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3603#define PERL_MAGIC_isa 'I' /* @ISA array */
3604#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3605#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3606#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3607#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3608#define PERL_MAGIC_mutex 'm' /* for lock op */
3609#define PERL_MAGIC_shared 'N' /* Shared between threads */
3610#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3611#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3612#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3613#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3614#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3615#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3616#define PERL_MAGIC_sig 'S' /* %SIG hash */
3617#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3618#define PERL_MAGIC_taint 't' /* Taintedness */
3619#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3620#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3621#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3622#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3623#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3624#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3625#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3626 smart parameter vivification */
14befaf4
DM
3627#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3628#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3629#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3630#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3631#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3632#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3633#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3634
3635
a6e633de 3636#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3637#define assert(what) PERL_DEB( \
3638 ((what) ? ((void) 0) : \
67eb4d30 3639 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3640 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3641 (void) 0)))
a446a88f 3642#endif
8d063cd8 3643
450a55e4 3644struct ufuncs {
24f81a43
DM
3645 I32 (*uf_val)(pTHX_ IV, SV*);
3646 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3647 IV uf_index;
450a55e4
LW
3648};
3649
14befaf4 3650/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3651 * XS code wanting to be backward compatible can do something
3652 * like the following:
c745e42c 3653
24f81a43 3654#ifndef PERL_MG_UFUNC
24f81a43
DM
3655#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3656#endif
3657
3658static PERL_MG_UFUNC(foo_get, index, val)
3659{
3660 sv_setsv(val, ...);
3661 return TRUE;
3662}
3663
3664-- Doug MacEachern
3665
3666*/
3667
fc9c74e6 3668#ifndef PERL_MG_UFUNC
24f81a43 3669#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3670#endif
24f81a43 3671
fe14fcc3 3672/* Fix these up for __STDC__ */
68dc0745 3673#ifndef DONT_DECLARE_STD
20ce7b12 3674char *mktemp (char*);
37bd1396 3675#ifndef atof
20ce7b12 3676double atof (const char*);
a0d0e21e 3677#endif
37bd1396 3678#endif
79072805 3679
352d5a3a 3680#ifndef STANDARD_C
fe14fcc3 3681/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3682Time_t time();
8d063cd8 3683struct tm *gmtime(), *localtime();
092bebab 3684#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3685char *(strchr)(), *(strrchr)();
3686char *(strcpy)(), *(strcat)();
3687#else
93a17b20 3688char *strchr(), *strrchr();
378cc40b 3689char *strcpy(), *strcat();
9d116dd7 3690#endif
352d5a3a 3691#endif /* ! STANDARD_C */
8d063cd8 3692
79072805
LW
3693
3694#ifdef I_MATH
3695# include <math.h>
3696#else
32f822de 3697START_EXTERN_C
20ce7b12
GS
3698 double exp (double);
3699 double log (double);
3700 double log10 (double);
3701 double sqrt (double);
3702 double frexp (double,int*);
3703 double ldexp (double,int);
3704 double modf (double,double*);
3705 double sin (double);
3706 double cos (double);
3707 double atan2 (double,double);
3708 double pow (double,double);
32f822de 3709END_EXTERN_C
79072805
LW
3710#endif
3711
aa8b85de
JH
3712#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3713# define NV_INF LDBL_INFINITY
3714#endif
3715#if !defined(NV_INF) && defined(DBL_INFINITY)
3716# define NV_INF (NV)DBL_INFINITY
3717#endif
3718#if !defined(NV_INF) && defined(INFINITY)
3719# define NV_INF (NV)INFINITY
3720#endif
3721#if !defined(NV_INF) && defined(INF)
3722# define NV_INF (NV)INF
3723#endif
3724#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3725# define NV_INF (NV)HUGE_VALL
3726#endif
3727#if !defined(NV_INF) && defined(HUGE_VAL)
3728# define NV_INF (NV)HUGE_VAL
3729#endif
3730
3731#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3732# if !defined(NV_NAN) && defined(LDBL_NAN)
3733# define NV_NAN LDBL_NAN
3734# endif
3735# if !defined(NV_NAN) && defined(LDBL_QNAN)
3736# define NV_NAN LDBL_QNAN
3737# endif
3738# if !defined(NV_NAN) && defined(LDBL_SNAN)
3739# define NV_NAN LDBL_SNAN
3740# endif
3741#endif
3742#if !defined(NV_NAN) && defined(DBL_NAN)
3743# define NV_NAN (NV)DBL_NAN
3744#endif
3745#if !defined(NV_NAN) && defined(DBL_QNAN)
3746# define NV_NAN (NV)DBL_QNAN
3747#endif
3748#if !defined(NV_NAN) && defined(DBL_SNAN)
3749# define NV_NAN (NV)DBL_SNAN
3750#endif
3751#if !defined(NV_NAN) && defined(QNAN)
3752# define NV_NAN (NV)QNAN
3753#endif
3754#if !defined(NV_NAN) && defined(SNAN)
3755# define NV_NAN (NV)SNAN
3756#endif
3757#if !defined(NV_NAN) && defined(NAN)
3758# define NV_NAN (NV)NAN
3759#endif
3760
a0d0e21e 3761#ifndef __cplusplus
8f1f23e8 3762# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3763char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3764# else
fd8cd3a3 3765# if !defined(WIN32) && !defined(VMS)
10bc17b6 3766#ifndef crypt
20ce7b12 3767char *crypt (const char*, const char*);
10bc17b6 3768#endif
5014db98 3769# endif /* !WIN32 */
8f1f23e8 3770# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3771# ifndef DONT_DECLARE_STD
3772# ifndef getenv
20ce7b12 3773char *getenv (const char*);
26618a56 3774# endif /* !getenv */
28ca6303 3775# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3776# ifdef _FILE_OFFSET_BITS
28ca6303 3777# if _FILE_OFFSET_BITS == 64
20ce7b12 3778Off_t lseek (int,Off_t,int);
0fc67700
JH
3779# endif
3780# endif
bf0c440f 3781# endif
26618a56 3782# endif /* !DONT_DECLARE_STD */
10bc17b6 3783#ifndef getlogin
20ce7b12 3784char *getlogin (void);
10bc17b6 3785#endif
26618a56 3786#endif /* !__cplusplus */
79072805 3787
7a7fd8e0
JM
3788/* Fixme on VMS. This needs to be a run-time, not build time options */
3789/* Also rename() is affected by this */
16d20bd9 3790#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3791#define UNLINK unlnk
083639a9 3792I32 unlnk (pTHX_ const char*);
8d063cd8 3793#else
80252599 3794#define UNLINK PerlLIO_unlink
8d063cd8 3795#endif
a687059c 3796
fa0a29af
JH
3797/* some versions of glibc are missing the setresuid() proto */
3798#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3799int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3800#endif
fa0a29af
JH
3801/* some versions of glibc are missing the setresgid() proto */
3802#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3803int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3804#endif
3805