This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Fix to problem where CGI can lose the filehandle during an upload.
[perl5.git] / perl.h
CommitLineData
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 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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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
2c2d71f5
JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
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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
97aff369
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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.)
af28e889
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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)
af28e889
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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)
14dd3ad8 203
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204/*
205 * Because of backward compatibility reasons the PERL_UNUSED_DECL
206 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
207 *
208 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 209 * which do not have an "inlined" way (like the gcc __attribute__) of
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210 * marking unused variables (they need e.g. a #pragma) and therefore
211 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
212 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
213 *
214 */
1266ad8c 215
9969cdde 216#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 217# ifdef __cplusplus
5ba4cab2 218# define PERL_UNUSED_DECL
5b2bd0a5 219# else
5ba4cab2 220# define PERL_UNUSED_DECL __attribute__((unused))
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221# endif
222#endif
44dbb695 223
5b2bd0a5 224#ifndef PERL_UNUSED_DECL
34659ad4 225# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 226# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 227# else
5ba4cab2 228# define PERL_UNUSED_DECL
b79c357a 229# endif
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230#endif
231
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232/* gcc -Wall:
233 * for silencing unused variables that are actually used most of the time,
a0288114 234 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 235 */
53c1dcc0 236#ifndef PERL_UNUSED_ARG
c99ffe5e 237# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 238# include <note.h>
53c1dcc0 239# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 240# else
53c1dcc0 241# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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242# endif
243#endif
53c1dcc0
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244#ifndef PERL_UNUSED_VAR
245# define PERL_UNUSED_VAR(x) ((void)x)
246#endif
ad73156c 247
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248#ifdef USE_ITHREADS
249# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
250#else
251# define PERL_UNUSED_CONTEXT
252#endif
253
6f207bd3 254#define NOOP /*EMPTY*/(void)0
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255#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
256#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
257#else
6f207bd3 258#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 259#endif
71be2cbc 260
0cb96387 261#ifndef pTHX
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262/* Don't bother defining tTHX and sTHX; using them outside
263 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
264 */
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265# define pTHX void
266# define pTHX_
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267# define aTHX
268# define aTHX_
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269# define dTHXa(a) dNOOP
270# define dTHX dNOOP
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271# define pTHX_1 1
272# define pTHX_2 2
273# define pTHX_3 3
274# define pTHX_4 4
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275# define pTHX_5 5
276# define pTHX_6 6
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277# define pTHX_7 7
278# define pTHX_8 8
279# define pTHX_9 9
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280#endif
281
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282#ifndef dVAR
283# define dVAR dNOOP
284#endif
285
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286/* these are only defined for compatibility; should not be used internally */
287#if !defined(pTHXo) && !defined(PERL_CORE)
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288# define pTHXo pTHX
289# define pTHXo_ pTHX_
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290# define aTHXo aTHX
291# define aTHXo_ aTHX_
c5be433b 292# define dTHXo dTHX
71d280e3 293# define dTHXoa(x) dTHXa(x)
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294#endif
295
296#ifndef pTHXx
297# define pTHXx register PerlInterpreter *my_perl
298# define pTHXx_ pTHXx,
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299# define aTHXx my_perl
300# define aTHXx_ aTHXx,
c5be433b 301# define dTHXx dTHX
22c35a8c 302#endif
71be2cbc 303
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304/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
305 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
306 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
307#ifdef PERL_IMPLICIT_SYS
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308# ifdef PERL_GLOBAL_STRUCT_PRIVATE
309# define dTHXs dVAR; dTHX
310# else
311# define dTHXs dTHX
312# endif
1de7c2ac 313#else
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314# ifdef PERL_GLOBAL_STRUCT_PRIVATE
315# define dTHXs dVAR
316# else
317# define dTHXs dNOOP
318# endif
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319#endif
320
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321#undef START_EXTERN_C
322#undef END_EXTERN_C
323#undef EXTERN_C
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324#ifdef __cplusplus
325# define START_EXTERN_C extern "C" {
326# define END_EXTERN_C }
327# define EXTERN_C extern "C"
328#else
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329# define START_EXTERN_C
330# define END_EXTERN_C
73c4f7a1 331# define EXTERN_C extern
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332#endif
333
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334/* Some platforms require marking function declarations
335 * for them to be exportable. Used in perlio.h, proto.h
336 * is handled either by the makedef.pl or by defining the
337 * PERL_CALLCONV to be something special. See also the
338 * definition of XS() in XSUB.h. */
339#ifndef PERL_EXPORT_C
340# define PERL_EXPORT_C extern
341#endif
342#ifndef PERL_XS_EXPORT_C
343# define PERL_XS_EXPORT_C
344#endif
345
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346#ifdef OP_IN_REGISTER
347# ifdef __GNUC__
348# define stringify_immed(s) #s
349# define stringify(s) stringify_immed(s)
d1ca3daa 350register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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351# endif
352#endif
353
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354/* gcc (-ansi) -pedantic doesn't allow gcc brace groups,
355 * g++ allows them but seems to have problems with them
356 * (insane errors ensue). */
357#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 358# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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359# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
360# endif
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361#endif
362
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363#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
364# ifndef PERL_USE_GCC_BRACE_GROUPS
365# define PERL_USE_GCC_BRACE_GROUPS
366# endif
367#endif
368
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369/*
370 * STMT_START { statements; } STMT_END;
371 * can be used as a single statement, as in
372 * if (x) STMT_START { ... } STMT_END; else ...
373 *
374 * Trying to select a version that gives no warnings...
375 */
376#if !(defined(STMT_START) && defined(STMT_END))
5b692037 377# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 378# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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379# define STMT_END )
380# else
381 /* Now which other defined()s do we need here ??? */
93189314 382# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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383# define STMT_START if (1)
384# define STMT_END else (void)0
385# else
386# define STMT_START do
387# define STMT_END while (0)
388# endif
389# endif
390#endif
391
0cb96387 392#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 393#define WITH_THR(s) WITH_THX(s)
ea0efc06 394
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JH
395#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
396# define BYTEORDER 0x1234
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397#endif
398
399/* Overall memory policy? */
400#ifndef CONSERVATIVE
401# define LIBERAL 1
402#endif
403
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404#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
405#define ASCIIish
406#else
407#undef ASCIIish
408#endif
409
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410/*
411 * The following contortions are brought to you on behalf of all the
412 * standards, semi-standards, de facto standards, not-so-de-facto standards
413 * of the world, as well as all the other botches anyone ever thought of.
414 * The basic theory is that if we work hard enough here, the rest of the
415 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
416 */
ac58e20f 417
ee0007ab 418/* define this once if either system, instead of cluttering up the src */
2986a63f 419#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
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420#define DOSISH 1
421#endif
422
fb38d079 423#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
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424# define STANDARD_C 1
425#endif
426
9969cdde 427#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
428# define DONT_DECLARE_STD 1
429#endif
430
352d5a3a 431#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 432# ifdef __cplusplus
cb69f87a 433# define VOL /* to temporarily suppress warnings */
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434# else
435# define VOL volatile
436# endif
663a0e37 437#else
79072805 438# define VOL
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439#endif
440
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441#define TAINT (PL_tainted = TRUE)
442#define TAINT_NOT (PL_tainted = FALSE)
443#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
444#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 445#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 446
d460ef45 447/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
448 defines move there? If so, I could simplify this a lot. --AD 9/96.
449*/
450/* Process group stuff changed from traditional BSD to POSIX.
451 perlfunc.pod documents the traditional BSD-style syntax, so we'll
452 try to preserve that, if possible.
453*/
454#ifdef HAS_SETPGID
455# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 456#else
a6e633de
PP
457# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
458# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
459# else
460# ifdef HAS_SETPGRP2 /* DG/UX */
461# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
462# endif
463# endif
464#endif
465#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
466# define HAS_SETPGRP /* Well, effectively it does . . . */
467#endif
468
469/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
470 our life easier :-) so we'll try it.
471*/
472#ifdef HAS_GETPGID
473# define BSD_GETPGRP(pid) getpgid((pid))
474#else
475# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
476# define BSD_GETPGRP(pid) getpgrp((pid))
477# else
478# ifdef HAS_GETPGRP2 /* DG/UX */
479# define BSD_GETPGRP(pid) getpgrp2((pid))
480# endif
481# endif
482#endif
483#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
484# define HAS_GETPGRP /* Well, effectively it does . . . */
485#endif
486
d460ef45 487/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
488 have different behaviors, but perl.h used to define USE_BSDPGRP
489 (prior to 5.003_05) so some extension might depend on it.
490*/
491#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
492# ifndef USE_BSDPGRP
493# define USE_BSDPGRP
494# endif
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LW
495#endif
496
8ac5a1fe
MH
497/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
498 pthread.h must be included before all other header files.
499*/
3db8f154 500#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
501# include <pthread.h>
502#endif
503
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LW
504#ifndef _TYPES_ /* If types.h defines this it's easy. */
505# ifndef major /* Does everyone's types.h define this? */
506# include <sys/types.h>
c07a80fd 507# endif
663a0e37
LW
508#endif
509
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510#ifdef __cplusplus
511# ifndef I_STDARG
512# define I_STDARG 1
513# endif
514#endif
515
516#ifdef I_STDARG
517# include <stdarg.h>
518#else
519# ifdef I_VARARGS
520# include <varargs.h>
521# endif
522#endif
523
4633a7c4 524#ifdef USE_NEXT_CTYPE
0c30d9ec 525
092bebab
JH
526#if NX_CURRENT_COMPILER_RELEASE >= 500
527# include <bsd/ctypes.h>
528#else
529# if NX_CURRENT_COMPILER_RELEASE >= 400
530# include <objc/NXCType.h>
531# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
532# include <appkit/NXCType.h>
533# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
534#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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PP
535
536#else /* !USE_NEXT_CTYPE */
fe14fcc3 537#include <ctype.h>
0c30d9ec 538#endif /* USE_NEXT_CTYPE */
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539
540#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
541#undef METHOD
a0d0e21e
LW
542#endif
543
12ae5dfc
JH
544#ifdef PERL_MICRO
545# define NO_LOCALE
546#endif
547
4633a7c4 548#ifdef I_LOCALE
36477c24 549# include <locale.h>
4633a7c4
LW
550#endif
551
36477c24
PP
552#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
553# define USE_LOCALE
554# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
555 && defined(HAS_STRXFRM)
556# define USE_LOCALE_COLLATE
557# endif
558# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
559# define USE_LOCALE_CTYPE
560# endif
561# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
562# define USE_LOCALE_NUMERIC
563# endif
564#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 565
fe14fcc3 566#include <setjmp.h>
79072805 567
a0d0e21e 568#ifdef I_SYS_PARAM
79072805
LW
569# ifdef PARAM_NEEDS_TYPES
570# include <sys/types.h>
571# endif
572# include <sys/param.h>
352d5a3a 573#endif
79072805 574
79072805 575/* Use all the "standard" definitions? */
a0d0e21e 576#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 577# include <stdlib.h>
ff68c719 578#endif
03a14243 579
3f270f98
JH
580/* If this causes problems, set i_unistd=undef in the hint file. */
581#ifdef I_UNISTD
582# include <unistd.h>
583#endif
584
9969cdde 585#ifdef __SYMBIAN32__
27da23d5
JH
586# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
587#endif
588
7114a2d2 589#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
590int syscall(int, ...);
591#endif
592
7114a2d2 593#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 594int usleep(unsigned int);
2ef53570
JH
595#endif
596
9a34ef1d
GS
597#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
598# define MYSWAP
599#endif
600
1109a392
MHM
601#ifdef PERL_CORE
602
603/* macros for correct constant construction */
604# if INTSIZE >= 2
605# define U16_CONST(x) ((U16)x##U)
606# else
607# define U16_CONST(x) ((U16)x##UL)
608# endif
609
610# if INTSIZE >= 4
611# define U32_CONST(x) ((U32)x##U)
612# else
613# define U32_CONST(x) ((U32)x##UL)
614# endif
615
616# ifdef HAS_QUAD
617# if INTSIZE >= 8
618# define U64_CONST(x) ((U64)x##U)
619# elif LONGSIZE >= 8
620# define U64_CONST(x) ((U64)x##UL)
621# elif QUADKIND == QUAD_IS_LONG_LONG
622# define U64_CONST(x) ((U64)x##ULL)
623# else /* best guess we can make */
624# define U64_CONST(x) ((U64)x##UL)
625# endif
626# endif
627
628/* byte-swapping functions for big-/little-endian conversion */
629# define _swab_16_(x) ((U16)( \
630 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
631 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
632
633# define _swab_32_(x) ((U32)( \
634 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
635 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
636 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
637 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
638
639# ifdef HAS_QUAD
640# define _swab_64_(x) ((U64)( \
641 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
642 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
643 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
644 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
645 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
646 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
647 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
648 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
649# endif
650
651/*----------------------------------------------------------------------------*/
652# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
653/*----------------------------------------------------------------------------*/
654# define my_htole16(x) (x)
655# define my_letoh16(x) (x)
656# define my_htole32(x) (x)
657# define my_letoh32(x) (x)
658# define my_htobe16(x) _swab_16_(x)
659# define my_betoh16(x) _swab_16_(x)
660# define my_htobe32(x) _swab_32_(x)
661# define my_betoh32(x) _swab_32_(x)
662# ifdef HAS_QUAD
663# define my_htole64(x) (x)
664# define my_letoh64(x) (x)
665# define my_htobe64(x) _swab_64_(x)
666# define my_betoh64(x) _swab_64_(x)
667# endif
668# define my_htoles(x) (x)
669# define my_letohs(x) (x)
670# define my_htolei(x) (x)
671# define my_letohi(x) (x)
672# define my_htolel(x) (x)
673# define my_letohl(x) (x)
674# if SHORTSIZE == 1
675# define my_htobes(x) (x)
676# define my_betohs(x) (x)
677# elif SHORTSIZE == 2
678# define my_htobes(x) _swab_16_(x)
679# define my_betohs(x) _swab_16_(x)
680# elif SHORTSIZE == 4
681# define my_htobes(x) _swab_32_(x)
682# define my_betohs(x) _swab_32_(x)
683# elif SHORTSIZE == 8
684# define my_htobes(x) _swab_64_(x)
685# define my_betohs(x) _swab_64_(x)
686# else
687# define PERL_NEED_MY_HTOBES
688# define PERL_NEED_MY_BETOHS
689# endif
690# if INTSIZE == 1
691# define my_htobei(x) (x)
692# define my_betohi(x) (x)
693# elif INTSIZE == 2
694# define my_htobei(x) _swab_16_(x)
695# define my_betohi(x) _swab_16_(x)
696# elif INTSIZE == 4
697# define my_htobei(x) _swab_32_(x)
698# define my_betohi(x) _swab_32_(x)
699# elif INTSIZE == 8
700# define my_htobei(x) _swab_64_(x)
701# define my_betohi(x) _swab_64_(x)
702# else
703# define PERL_NEED_MY_HTOBEI
704# define PERL_NEED_MY_BETOHI
705# endif
706# if LONGSIZE == 1
707# define my_htobel(x) (x)
708# define my_betohl(x) (x)
709# elif LONGSIZE == 2
710# define my_htobel(x) _swab_16_(x)
711# define my_betohl(x) _swab_16_(x)
712# elif LONGSIZE == 4
713# define my_htobel(x) _swab_32_(x)
714# define my_betohl(x) _swab_32_(x)
715# elif LONGSIZE == 8
716# define my_htobel(x) _swab_64_(x)
717# define my_betohl(x) _swab_64_(x)
718# else
719# define PERL_NEED_MY_HTOBEL
720# define PERL_NEED_MY_BETOHL
721# endif
722# define my_htolen(p,n) NOOP
723# define my_letohn(p,n) NOOP
724# define my_htoben(p,n) my_swabn(p,n)
725# define my_betohn(p,n) my_swabn(p,n)
726/*----------------------------------------------------------------------------*/
727# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
728/*----------------------------------------------------------------------------*/
729# define my_htobe16(x) (x)
730# define my_betoh16(x) (x)
731# define my_htobe32(x) (x)
732# define my_betoh32(x) (x)
733# define my_htole16(x) _swab_16_(x)
734# define my_letoh16(x) _swab_16_(x)
735# define my_htole32(x) _swab_32_(x)
736# define my_letoh32(x) _swab_32_(x)
737# ifdef HAS_QUAD
738# define my_htobe64(x) (x)
739# define my_betoh64(x) (x)
740# define my_htole64(x) _swab_64_(x)
741# define my_letoh64(x) _swab_64_(x)
742# endif
743# define my_htobes(x) (x)
744# define my_betohs(x) (x)
745# define my_htobei(x) (x)
746# define my_betohi(x) (x)
747# define my_htobel(x) (x)
748# define my_betohl(x) (x)
749# if SHORTSIZE == 1
750# define my_htoles(x) (x)
751# define my_letohs(x) (x)
752# elif SHORTSIZE == 2
753# define my_htoles(x) _swab_16_(x)
754# define my_letohs(x) _swab_16_(x)
755# elif SHORTSIZE == 4
756# define my_htoles(x) _swab_32_(x)
757# define my_letohs(x) _swab_32_(x)
758# elif SHORTSIZE == 8
759# define my_htoles(x) _swab_64_(x)
760# define my_letohs(x) _swab_64_(x)
761# else
762# define PERL_NEED_MY_HTOLES
763# define PERL_NEED_MY_LETOHS
764# endif
765# if INTSIZE == 1
766# define my_htolei(x) (x)
767# define my_letohi(x) (x)
768# elif INTSIZE == 2
769# define my_htolei(x) _swab_16_(x)
770# define my_letohi(x) _swab_16_(x)
771# elif INTSIZE == 4
772# define my_htolei(x) _swab_32_(x)
773# define my_letohi(x) _swab_32_(x)
774# elif INTSIZE == 8
775# define my_htolei(x) _swab_64_(x)
776# define my_letohi(x) _swab_64_(x)
777# else
778# define PERL_NEED_MY_HTOLEI
779# define PERL_NEED_MY_LETOHI
780# endif
781# if LONGSIZE == 1
782# define my_htolel(x) (x)
783# define my_letohl(x) (x)
784# elif LONGSIZE == 2
785# define my_htolel(x) _swab_16_(x)
786# define my_letohl(x) _swab_16_(x)
787# elif LONGSIZE == 4
788# define my_htolel(x) _swab_32_(x)
789# define my_letohl(x) _swab_32_(x)
790# elif LONGSIZE == 8
791# define my_htolel(x) _swab_64_(x)
792# define my_letohl(x) _swab_64_(x)
793# else
794# define PERL_NEED_MY_HTOLEL
795# define PERL_NEED_MY_LETOHL
796# endif
797# define my_htolen(p,n) my_swabn(p,n)
798# define my_letohn(p,n) my_swabn(p,n)
799# define my_htoben(p,n) NOOP
800# define my_betohn(p,n) NOOP
801/*----------------------------------------------------------------------------*/
802# else /* all other byte-orders */
803/*----------------------------------------------------------------------------*/
804# define PERL_NEED_MY_HTOLE16
805# define PERL_NEED_MY_LETOH16
806# define PERL_NEED_MY_HTOBE16
807# define PERL_NEED_MY_BETOH16
808# define PERL_NEED_MY_HTOLE32
809# define PERL_NEED_MY_LETOH32
810# define PERL_NEED_MY_HTOBE32
811# define PERL_NEED_MY_BETOH32
812# ifdef HAS_QUAD
813# define PERL_NEED_MY_HTOLE64
814# define PERL_NEED_MY_LETOH64
815# define PERL_NEED_MY_HTOBE64
816# define PERL_NEED_MY_BETOH64
817# endif
818# define PERL_NEED_MY_HTOLES
819# define PERL_NEED_MY_LETOHS
820# define PERL_NEED_MY_HTOBES
821# define PERL_NEED_MY_BETOHS
822# define PERL_NEED_MY_HTOLEI
823# define PERL_NEED_MY_LETOHI
824# define PERL_NEED_MY_HTOBEI
825# define PERL_NEED_MY_BETOHI
826# define PERL_NEED_MY_HTOLEL
827# define PERL_NEED_MY_LETOHL
828# define PERL_NEED_MY_HTOBEL
829# define PERL_NEED_MY_BETOHL
830/*----------------------------------------------------------------------------*/
831# endif /* end of byte-order macros */
832/*----------------------------------------------------------------------------*/
833
9c17f24a
NC
834/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
835 at least on FreeBSD. YMMV, so experiment. */
836#ifndef PERL_ARENA_SIZE
837#define PERL_ARENA_SIZE 4080
838#endif
839
1109a392
MHM
840#endif /* PERL_CORE */
841
bdf3085f
NC
842/* We no longer default to creating a new SV for GvSV.
843 Do this before embed. */
844#ifndef PERL_CREATE_GVSV
7459f06b
NC
845# ifndef PERL_DONT_CREATE_GVSV
846# define PERL_DONT_CREATE_GVSV
847# endif
bdf3085f
NC
848#endif
849
ca0c25f6
NC
850#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
851#define PERL_USES_PL_PIDSTATUS
852#endif
853
a62746fa
RGS
854#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
855#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
856#endif
857
66a93824
NIS
858/* Cannot include embed.h here on Win32 as win32.h has not
859 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
860 */
96e176bf 861#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 862# include "embed.h"
eb8433b7
NC
863# ifndef PERL_MAD
864# undef op_getmad
b3f24c00 865# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 866# endif
cea2e8a9
GS
867#endif
868
c31fac66
GS
869#define MEM_SIZE Size_t
870
1936d2a7
NC
871/* Round all values passed to malloc up, by default to a multiple of
872 sizeof(size_t)
873*/
874#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
875#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
876#endif
877
51371543
GS
878#if defined(STANDARD_C) && defined(I_STDDEF)
879# include <stddef.h>
880# define STRUCT_OFFSET(s,m) offsetof(s,m)
881#else
882# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
883#endif
884
9969cdde 885#ifndef __SYMBIAN32__
27da23d5
JH
886# if defined(I_STRING) || defined(__cplusplus)
887# include <string.h>
888# else
889# include <strings.h>
890# endif
51371543
GS
891#endif
892
55497cff
PP
893/* This comes after <stdlib.h> so we don't try to change the standard
894 * library prototypes; we'll use our own in proto.h instead. */
03a14243 895
4633a7c4 896#ifdef MYMALLOC
86058a2d 897# ifdef PERL_POLLUTE_MALLOC
ee13e175 898# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
899# define Perl_malloc malloc
900# define Perl_calloc calloc
901# define Perl_realloc realloc
902# define Perl_mfree free
ee13e175 903# endif
86058a2d
GS
904# else
905# define EMBEDMYMALLOC /* for compatibility */
906# endif
827e134a 907
651b9576
GS
908# define safemalloc Perl_malloc
909# define safecalloc Perl_calloc
910# define saferealloc Perl_realloc
911# define safefree Perl_mfree
22f7c9c9
JH
912# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
913 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
914 code; \
915 } STMT_END
916# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
917 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
918# define panic_write2(s) write(2, s, strlen(s))
919# define CHECK_MALLOC_TAINT(newval) \
920 CHECK_MALLOC_TOO_LATE_FOR_( \
921 if (newval) { \
922 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
923 exit(1); })
22f7c9c9 924# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 925 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
926 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
927 }} STMT_END;
f2517201
GS
928#else /* MYMALLOC */
929# define safemalloc safesysmalloc
930# define safecalloc safesyscalloc
931# define saferealloc safesysrealloc
932# define safefree safesysfree
22f7c9c9
JH
933# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
934# define CHECK_MALLOC_TAINT(newval) ((void)0)
935# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 936#endif /* MYMALLOC */
4633a7c4 937
27da23d5 938#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
939#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
940#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
941#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
942
a0d0e21e
LW
943#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
944#define strchr index
945#define strrchr rindex
946#endif
947
16d20bd9
AD
948#ifdef I_MEMORY
949# include <memory.h>
950#endif
951
fe14fcc3 952#ifdef HAS_MEMCPY
85e6fe83 953# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 954# ifndef memcpy
20ce7b12 955 extern char * memcpy (char*, char*, int);
ee0007ab
LW
956# endif
957# endif
958#else
959# ifndef memcpy
960# ifdef HAS_BCOPY
961# define memcpy(d,s,l) bcopy(s,d,l)
962# else
963# define memcpy(d,s,l) my_bcopy(s,d,l)
964# endif
965# endif
966#endif /* HAS_MEMCPY */
fe14fcc3 967
ee0007ab 968#ifdef HAS_MEMSET
85e6fe83 969# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 970# ifndef memset
20ce7b12 971 extern char *memset (char*, int, int);
ee0007ab
LW
972# endif
973# endif
ee0007ab 974#else
12ae5dfc 975# undef memset
fc36a67e 976# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
977#endif /* HAS_MEMSET */
978
85e6fe83 979#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 980# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
981# define memmove(d,s,l) bcopy(s,d,l)
982# else
2304df62 983# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 984# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 985# else
79072805 986# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 987# endif
352d5a3a 988# endif
d9d8d8de 989#endif
ee0007ab 990
36477c24
PP
991#if defined(mips) && defined(ultrix) && !defined(__STDC__)
992# undef HAS_MEMCMP
993#endif
994
995#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 996# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 997# ifndef memcmp
20ce7b12 998 extern int memcmp (char*, char*, int);
ee0007ab
LW
999# endif
1000# endif
36477c24 1001# ifdef BUGGY_MSC
7e4e8c89 1002# pragma function(memcmp)
36477c24 1003# endif
ee0007ab
LW
1004#else
1005# ifndef memcmp
ecfc5424 1006# define memcmp my_memcmp
352d5a3a 1007# endif
36477c24 1008#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1009
fc36a67e 1010#ifndef memzero
c635e13b
PP
1011# ifdef HAS_MEMSET
1012# define memzero(d,l) memset(d,0,l)
79072805 1013# else
c635e13b
PP
1014# ifdef HAS_BZERO
1015# define memzero(d,l) bzero(d,l)
79072805 1016# else
fc36a67e 1017# define memzero(d,l) my_bzero(d,l)
79072805
LW
1018# endif
1019# endif
d9d8d8de 1020#endif
378cc40b 1021
2f42fcb0 1022#ifndef PERL_MICRO
0f27ced1
JH
1023#ifndef memchr
1024# ifndef HAS_MEMCHR
1025# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1026# endif
1027#endif
2f42fcb0 1028#endif
0f27ced1 1029
36477c24
PP
1030#ifndef HAS_BCMP
1031# ifndef bcmp
1032# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1033# endif
36477c24 1034#endif /* !HAS_BCMP */
378cc40b 1035
ae986130 1036#ifdef I_NETINET_IN
79072805 1037# include <netinet/in.h>
ae986130
LW
1038#endif
1039
28e8609d
JH
1040#ifdef I_ARPA_INET
1041# include <arpa/inet.h>
1042#endif
1043
84902520
TB
1044#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1045/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1046 * (the neo-BSD seem to do this). */
1047# undef SF_APPEND
1048#endif
1049
1aef975c 1050#ifdef I_SYS_STAT
84902520 1051# include <sys/stat.h>
1aef975c 1052#endif
79072805 1053
a0d0e21e
LW
1054/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1055 like UTekV) are broken, sometimes giving false positives. Undefine
1056 them here and let the code below set them to proper values.
1057
1058 The ghs macro stands for GreenHills Software C-1.8.5 which
1059 is the C compiler for sysV88 and the various derivatives.
1060 This header file bug is corrected in gcc-2.5.8 and later versions.
1061 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1062
1063#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1064# undef S_ISDIR
1065# undef S_ISCHR
1066# undef S_ISBLK
1067# undef S_ISREG
1068# undef S_ISFIFO
1069# undef S_ISLNK
ee0007ab 1070#endif
135863df 1071
663a0e37
LW
1072#ifdef I_TIME
1073# include <time.h>
ffed7fef 1074#endif
663a0e37 1075
fe14fcc3 1076#ifdef I_SYS_TIME
85e6fe83 1077# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1078# define KERNEL
1079# endif
1080# include <sys/time.h>
85e6fe83 1081# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1082# undef KERNEL
1083# endif
a687059c 1084#endif
135863df 1085
55497cff 1086#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1087# include <sys/times.h>
d9d8d8de 1088#endif
8d063cd8 1089
fe14fcc3 1090#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1091# undef HAS_STRERROR
663a0e37
LW
1092#endif
1093
1094#include <errno.h>
1e743fda 1095
acfe0abc 1096#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1097# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1098#endif
1099
8cfab5ff
JH
1100/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1101 * This is important for using IPv6.
1102 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1103 * a bad idea since it breaks send() and recv(). */
1104#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1105# define _SOCKADDR_LEN
1106#endif
1107
8d3f517a 1108#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1109# include <sys/socket.h>
1110# if defined(USE_SOCKS) && defined(I_SOCKS)
1111# if !defined(INCLUDE_PROTOTYPES)
1112# define INCLUDE_PROTOTYPES /* for <socks.h> */
1113# define PERL_SOCKS_NEED_PROTOTYPES
1114# endif
1115# include <socks.h>
1116# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1117# undef INCLUDE_PROTOTYPES
1118# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1119# endif
d460ef45 1120# endif
1e743fda 1121# ifdef I_NETDB
2986a63f
JH
1122# ifdef NETWARE
1123# include<stdio.h>
1124# endif
1e743fda
JH
1125# include <netdb.h>
1126# endif
1127# ifndef ENOTSOCK
1128# ifdef I_NET_ERRNO
1129# include <net/errno.h>
1130# endif
1131# endif
1132#endif
1133
fa0a29af 1134/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1135 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1136 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1137#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1138# if defined(__THROW) && defined(__GLIBC__)
1139int sockatmark(int) __THROW;
1140# else
2ef53570 1141int sockatmark(int);
29820b6d 1142# endif
2ef53570
JH
1143#endif
1144
1e743fda
JH
1145#ifdef SETERRNO
1146# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1147#endif
f86702cc
PP
1148
1149#ifdef VMS
1150# define SETERRNO(errcode,vmserrcode) \
1151 STMT_START { \
1152 set_errno(errcode); \
1153 set_vaxc_errno(vmserrcode); \
1154 } STMT_END
93189314
JH
1155# define LIB_INVARG LIB$_INVARG
1156# define RMS_DIR RMS$_DIR
1157# define RMS_FAC RMS$_FAC
1158# define RMS_FEX RMS$_FEX
1159# define RMS_FNF RMS$_FNF
1160# define RMS_IFI RMS$_IFI
1161# define RMS_ISI RMS$_ISI
1162# define RMS_PRV RMS$_PRV
1163# define SS_ACCVIO SS$_ACCVIO
1164# define SS_DEVOFFLINE SS$_DEVOFFLINE
1165# define SS_IVCHAN SS$_IVCHAN
1166# define SS_NORMAL SS$_NORMAL
748a9306 1167#else
aba27d88 1168# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1169# define LIB_INVARG 0
1170# define RMS_DIR 0
1171# define RMS_FAC 0
1172# define RMS_FEX 0
1173# define RMS_FNF 0
1174# define RMS_IFI 0
1175# define RMS_ISI 0
1176# define RMS_PRV 0
1177# define SS_ACCVIO 0
1178# define SS_DEVOFFLINE 0
1179# define SS_IVCHAN 0
1180# define SS_NORMAL 0
748a9306 1181#endif
ed6116ce 1182
3db8f154 1183#define ERRSV GvSV(PL_errgv)
e203899d
NC
1184/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1185#define DEFSV GvSVn(PL_defgv)
3db8f154 1186#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1187
98eae8f5
GS
1188#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1189
55497cff 1190#ifndef errno
5ff3f7a4
GS
1191 extern int errno; /* ANSI allows errno to be an lvalue expr.
1192 * For example in multithreaded environments
1193 * something like this might happen:
1194 * extern int *_errno(void);
1195 * #define errno (*_errno()) */
d9d8d8de 1196#endif
663a0e37 1197
2304df62 1198#ifdef HAS_STRERROR
a0d0e21e 1199# ifdef VMS
20ce7b12 1200 char *strerror (int,...);
a0d0e21e 1201# else
68dc0745 1202#ifndef DONT_DECLARE_STD
20ce7b12 1203 char *strerror (int);
68dc0745 1204#endif
a0d0e21e 1205# endif
2304df62
AD
1206# ifndef Strerror
1207# define Strerror strerror
1208# endif
1209#else
1210# ifdef HAS_SYS_ERRLIST
79072805
LW
1211 extern int sys_nerr;
1212 extern char *sys_errlist[];
2304df62
AD
1213# ifndef Strerror
1214# define Strerror(e) \
79072805 1215 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1216# endif
79072805 1217# endif
35c8bce7 1218#endif
663a0e37 1219
2304df62 1220#ifdef I_SYS_IOCTL
79072805
LW
1221# ifndef _IOCTL_
1222# include <sys/ioctl.h>
1223# endif
a687059c
LW
1224#endif
1225
ee0007ab 1226#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1227# ifdef HAS_SOCKETPAIR
1228# undef HAS_SOCKETPAIR
1229# endif
2304df62
AD
1230# ifdef I_NDBM
1231# undef I_NDBM
79072805 1232# endif
a687059c
LW
1233#endif
1234
02fc2eee
NC
1235#ifndef HAS_SOCKETPAIR
1236# ifdef HAS_SOCKET
1237# define socketpair Perl_my_socketpair
1238# endif
1239#endif
1240
a687059c 1241#if INTSIZE == 2
79072805
LW
1242# define htoni htons
1243# define ntohi ntohs
a687059c 1244#else
79072805
LW
1245# define htoni htonl
1246# define ntohi ntohl
a687059c
LW
1247#endif
1248
a0d0e21e 1249/* Configure already sets Direntry_t */
35c8bce7 1250#if defined(I_DIRENT)
663a0e37 1251# include <dirent.h>
8f1f23e8
W
1252 /* NeXT needs dirent + sys/dir.h */
1253# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1254# include <sys/dir.h>
1255# endif
ae986130 1256#else
fe14fcc3 1257# ifdef I_SYS_NDIR
79a0689e 1258# include <sys/ndir.h>
663a0e37 1259# else
fe14fcc3 1260# ifdef I_SYS_DIR
79a0689e
LW
1261# ifdef hp9000s500
1262# include <ndir.h> /* may be wrong in the future */
1263# else
1264# include <sys/dir.h>
1265# endif
663a0e37
LW
1266# endif
1267# endif
4633a7c4 1268#endif
a687059c 1269
12ae5dfc
JH
1270#ifdef PERL_MICRO
1271# ifndef DIR
1272# define DIR void
1273# endif
1274#endif
1275
352d5a3a
LW
1276#ifdef FPUTS_BOTCH
1277/* work around botch in SunOS 4.0.1 and 4.0.2 */
1278# ifndef fputs
79072805 1279# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1280# endif
1281#endif
1282
c623bd54
LW
1283/*
1284 * The following gobbledygook brought to you on behalf of __STDC__.
1285 * (I could just use #ifndef __STDC__, but this is more bulletproof
1286 * in the face of half-implementations.)
1287 */
1288
7114a2d2 1289#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1290#include <sys/mode.h>
1291#endif
1292
c623bd54
LW
1293#ifndef S_IFMT
1294# ifdef _S_IFMT
1295# define S_IFMT _S_IFMT
1296# else
1297# define S_IFMT 0170000
1298# endif
1299#endif
1300
1301#ifndef S_ISDIR
1302# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1303#endif
1304
1305#ifndef S_ISCHR
1306# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1307#endif
1308
1309#ifndef S_ISBLK
fe14fcc3
LW
1310# ifdef S_IFBLK
1311# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1312# else
1313# define S_ISBLK(m) (0)
1314# endif
c623bd54
LW
1315#endif
1316
1317#ifndef S_ISREG
1318# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1319#endif
1320
1321#ifndef S_ISFIFO
fe14fcc3
LW
1322# ifdef S_IFIFO
1323# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1324# else
1325# define S_ISFIFO(m) (0)
1326# endif
c623bd54
LW
1327#endif
1328
1329#ifndef S_ISLNK
1330# ifdef _S_ISLNK
1331# define S_ISLNK(m) _S_ISLNK(m)
1332# else
1333# ifdef _S_IFLNK
1334# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1335# else
1336# ifdef S_IFLNK
1337# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1338# else
1339# define S_ISLNK(m) (0)
1340# endif
1341# endif
1342# endif
1343#endif
1344
1345#ifndef S_ISSOCK
1346# ifdef _S_ISSOCK
1347# define S_ISSOCK(m) _S_ISSOCK(m)
1348# else
1349# ifdef _S_IFSOCK
1350# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1351# else
1352# ifdef S_IFSOCK
1353# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1354# else
1355# define S_ISSOCK(m) (0)
1356# endif
1357# endif
1358# endif
1359#endif
1360
1361#ifndef S_IRUSR
1362# ifdef S_IREAD
1363# define S_IRUSR S_IREAD
1364# define S_IWUSR S_IWRITE
1365# define S_IXUSR S_IEXEC
1366# else
1367# define S_IRUSR 0400
1368# define S_IWUSR 0200
1369# define S_IXUSR 0100
1370# endif
fac7cdfc 1371#endif
1372
1373#ifndef S_IRGRP
1374# ifdef S_IRUSR
1375# define S_IRGRP (S_IRUSR>>3)
1376# define S_IWGRP (S_IWUSR>>3)
1377# define S_IXGRP (S_IXUSR>>3)
1378# else
1379# define S_IRGRP 0040
1380# define S_IWGRP 0020
1381# define S_IXGRP 0010
1382# endif
1383#endif
1384
1385#ifndef S_IROTH
1386# ifdef S_IRUSR
1387# define S_IROTH (S_IRUSR>>6)
1388# define S_IWOTH (S_IWUSR>>6)
1389# define S_IXOTH (S_IXUSR>>6)
1390# else
1391# define S_IROTH 0040
1392# define S_IWOTH 0020
1393# define S_IXOTH 0010
1394# endif
c623bd54
LW
1395#endif
1396
1397#ifndef S_ISUID
1398# define S_ISUID 04000
1399#endif
1400
1401#ifndef S_ISGID
1402# define S_ISGID 02000
1403#endif
1404
ca6e1c26
JH
1405#ifndef S_IRWXU
1406# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1407#endif
ca6e1c26
JH
1408
1409#ifndef S_IRWXG
1410# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1411#endif
ca6e1c26
JH
1412
1413#ifndef S_IRWXO
1414# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1415#endif
ca6e1c26 1416
c21fb2b8
JH
1417/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1418 * which would get included through <sys/file.h >, but that is 3000
1419 * lines in the future. --jhi */
1420
1421#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1422# define S_IREAD S_IRUSR
1423#endif
1424
c21fb2b8 1425#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1426# define S_IWRITE S_IWUSR
1427#endif
1428
1429#ifndef S_IEXEC
1430# define S_IEXEC S_IXUSR
1431#endif
1432
79072805
LW
1433#ifdef ff_next
1434# undef ff_next
352d5a3a
LW
1435#endif
1436
a0d0e21e 1437#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1438# define SLOPPYDIVIDE
1439#endif
1440
748a9306
LW
1441#ifdef UV
1442#undef UV
1443#endif
1444
c89df6bf
JH
1445#ifdef SPRINTF_E_BUG
1446# define sprintf UTS_sprintf_wrap
1447#endif
1448
ce582cee
NC
1449/* For the times when you want the return value of sprintf, and you want it
1450 to be the length. Can't have a thread variable passed in, because C89 has
1451 no varargs macros.
1452*/
1453#ifdef SPRINTF_RETURNS_STRLEN
1454# define my_sprintf sprintf
1455#else
1456# define my_sprintf Perl_my_sprintf
1457#endif
1458
5b692037
JH
1459/*
1460 * If we have v?snprintf() and the C99 variadic macros, we can just
1461 * use just the v?snprintf(). It is nice to try to trap the buffer
1462 * overflow, however, so if we are DEBUGGING, and we cannot use the
1463 * gcc brace groups, then use the function wrappers which try to trap
1464 * the overflow. If we can use the gcc brace groups, we can try that
1465 * even with the version that uses the C99 variadic macros.
1466 */
1467
1208b3dd
JH
1468/* Note that we do not check against snprintf()/vsnprintf() returning
1469 * negative values because that is non-standard behaviour and we use
1470 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1471 * that should be true only if the snprintf()/vsnprintf() are true
1472 * to the standard. */
1473
1474#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1475# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1476# 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 1477# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1478# else
1479# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1480# endif
1481#else
1482# define my_snprintf Perl_my_snprintf
1208b3dd 1483# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1484#endif
1485
1208b3dd 1486#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1487# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1488# 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 1489# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1490# else
1491# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1492# endif
1493#else
1494# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1495# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1496#endif
d9fad198 1497
a6cc4119
SP
1498#ifdef HAS_STRLCAT
1499# define my_strlcat strlcat
1500#else
1501# define my_strlcat Perl_my_strlcat
1502#endif
1503
1504#ifdef HAS_STRLCPY
1505# define my_strlcpy strlcpy
1506#else
1507# define my_strlcpy Perl_my_strlcpy
1508#endif
1509
c495e728
JH
1510/* Configure gets this right but the UTS compiler gets it wrong.
1511 -- Hal Morris <hom00@utsglobal.com> */
1512#ifdef UTS
1513# undef UVTYPE
1514# define UVTYPE unsigned
1515#endif
1516
05f13f53 1517/*
27d4fb96
PP
1518 The IV type is supposed to be long enough to hold any integral
1519 value or a pointer.
1520 --Andy Dougherty August 1996
1521*/
1522
a22e52b9
JH
1523typedef IVTYPE IV;
1524typedef UVTYPE UV;
8175356b 1525
10cc9d2a 1526#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1527# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1528# define IV_MAX INT64_MAX
1529# define IV_MIN INT64_MIN
1530# define UV_MAX UINT64_MAX
cae7ae48
JH
1531# ifndef UINT64_MIN
1532# define UINT64_MIN 0
1533# endif
5ff3f7a4
GS
1534# define UV_MIN UINT64_MIN
1535# else
1536# define IV_MAX PERL_QUAD_MAX
1537# define IV_MIN PERL_QUAD_MIN
1538# define UV_MAX PERL_UQUAD_MAX
1539# define UV_MIN PERL_UQUAD_MIN
1540# endif
cf2093f6
JH
1541# define IV_IS_QUAD
1542# define UV_IS_QUAD
79072805 1543#else
8175356b 1544# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1545# define IV_MAX INT32_MAX
1546# define IV_MIN INT32_MIN
716026f9
DL
1547# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1548# define UV_MAX UINT32_MAX
1549# else
1550# define UV_MAX 4294967295U
1551# endif
cae7ae48
JH
1552# ifndef UINT32_MIN
1553# define UINT32_MIN 0
1554# endif
5ff3f7a4
GS
1555# define UV_MIN UINT32_MIN
1556# else
1557# define IV_MAX PERL_LONG_MAX
1558# define IV_MIN PERL_LONG_MIN
1559# define UV_MAX PERL_ULONG_MAX
1560# define UV_MIN PERL_ULONG_MIN
1561# endif
8175356b 1562# if IVSIZE == 8
cf2093f6
JH
1563# define IV_IS_QUAD
1564# define UV_IS_QUAD
de1c2614
JH
1565# ifndef HAS_QUAD
1566# define HAS_QUAD
1567# endif
cf2093f6
JH
1568# else
1569# undef IV_IS_QUAD
1570# undef UV_IS_QUAD
de1c2614 1571# undef HAS_QUAD
cf2093f6 1572# endif
79072805 1573#endif
d7d93a81 1574
1109a392
MHM
1575#ifndef HAS_QUAD
1576# undef PERL_NEED_MY_HTOLE64
1577# undef PERL_NEED_MY_LETOH64
1578# undef PERL_NEED_MY_HTOBE64
1579# undef PERL_NEED_MY_BETOH64
1580#endif
1581
6cde8aec 1582#if defined(uts) || defined(UTS)
11afe549
HM
1583# undef UV_MAX
1584# define UV_MAX (4294967295u)
20601011
JH
1585#endif
1586
cae7ae48 1587#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1588#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1589
28e5dec8 1590#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1591#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1592#endif
1593
d460ef45 1594/*
26bb67e2
JH
1595 * The macros INT2PTR and NUM2PTR are (despite their names)
1596 * bi-directional: they will convert int/float to or from pointers.
1597 * However the conversion to int/float are named explicitly:
1598 * PTR2IV, PTR2UV, PTR2NV.
1599 *
1600 * For int conversions we do not need two casts if pointers are
1601 * the same size as IV and UV. Otherwise we need an explicit
1602 * cast (PTRV) to avoid compiler warnings.
1603 */
56431972
RB
1604#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1605# define PTRV UV
1606# define INT2PTR(any,d) (any)(d)
1607#else
d460ef45 1608# if PTRSIZE == LONGSIZE
56431972 1609# define PTRV unsigned long
e91e3b10 1610# define PTR2ul(p) (unsigned long)(p)
42718184 1611# else
56431972 1612# define PTRV unsigned
42718184 1613# endif
e91e3b10
RB
1614#endif
1615
1616#ifndef INT2PTR
56431972 1617# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1618#endif
e91e3b10
RB
1619
1620#ifndef PTR2ul
1621# define PTR2ul(p) INT2PTR(unsigned long,p)
1622#endif
1623
56431972
RB
1624#define NUM2PTR(any,d) (any)(PTRV)(d)
1625#define PTR2IV(p) INT2PTR(IV,p)
1626#define PTR2UV(p) INT2PTR(UV,p)
1627#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1628#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1629
8141890a
JH
1630/* According to strict ANSI C89 one cannot freely cast between
1631 * data pointers and function (code) pointers. There are at least
1632 * two ways around this. One (used below) is to do two casts,
1633 * first the other pointer to an (unsigned) integer, and then
1634 * the integer to the other pointer. The other way would be
1635 * to use unions to "overlay" the pointers. For an example of
1636 * the latter technique, see union dirpu in struct xpvio in sv.h.
1637 * The only feasible use is probably temporarily storing
1638 * function pointers in a data pointer (such as a void pointer). */
1639
e91e3b10
RB
1640#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1641#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1642
65202027 1643#ifdef USE_LONG_DOUBLE
1048ea30
JH
1644# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1645# define LONG_DOUBLE_EQUALS_DOUBLE
1646# endif
68d4903c 1647# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1648# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1649# endif
1650#endif
1651
2d4389e4
JH
1652#ifdef OVR_DBL_DIG
1653/* Use an overridden DBL_DIG */
1654# ifdef DBL_DIG
1655# undef DBL_DIG
1656# endif
1657# define DBL_DIG OVR_DBL_DIG
1658#else
1659/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1660 default value for printing floating point numbers in Gconvert
1661 (see config.h). (It also has other uses, such as figuring out if
1662 a given precision of printing can be done with a double instead of
1663 a long double - Allen).
2d4389e4
JH
1664*/
1665#ifdef I_LIMITS
1666#include <limits.h>
1667#endif
1668#ifdef I_FLOAT
1669#include <float.h>
1670#endif
1671#ifndef HAS_DBL_DIG
1672#define DBL_DIG 15 /* A guess that works lots of places */
1673#endif
1674#endif
cbca01e1
JH
1675#ifdef I_FLOAT
1676#include <float.h>
1677#endif
1678#ifndef HAS_DBL_DIG
1679#define DBL_DIG 15 /* A guess that works lots of places */
1680#endif
2d4389e4
JH
1681
1682#ifdef OVR_LDBL_DIG
1683/* Use an overridden LDBL_DIG */
1684# ifdef LDBL_DIG
1685# undef LDBL_DIG
1686# endif
1687# define LDBL_DIG OVR_LDBL_DIG
1688#else
1689/* The following is all to get LDBL_DIG, in order to pick a nice
1690 default value for printing floating point numbers in Gconvert.
1691 (see config.h)
1692*/
68d4903c
JH
1693# ifdef I_LIMITS
1694# include <limits.h>
1695# endif
1696# ifdef I_FLOAT
1697# include <float.h>
1698# endif
1699# ifndef HAS_LDBL_DIG
1700# if LONG_DOUBLESIZE == 10
1701# define LDBL_DIG 18 /* assume IEEE */
1702# else
1703# if LONG_DOUBLESIZE == 12
1704# define LDBL_DIG 18 /* gcc? */
1705# else
1706# if LONG_DOUBLESIZE == 16
1707# define LDBL_DIG 33 /* assume IEEE */
1708# else
1709# if LONG_DOUBLESIZE == DOUBLESIZE
1710# define LDBL_DIG DBL_DIG /* bummer */
1711# endif
1712# endif
1713# endif
1714# endif
1715# endif
2d4389e4
JH
1716#endif
1717
20f6aaab
AS
1718/*
1719 * This is for making sure we have a good DBL_MAX value, if possible,
1720 * either for usage as NV_MAX or for usage in figuring out if we can
1721 * fit a given long double into a double, if bug-fixing makes it
1722 * necessary to do so. - Allen <allens@cpan.org>
1723 */
1724
205f51d8
AS
1725#ifdef I_LIMITS
1726# include <limits.h>
20f6aaab
AS
1727#endif
1728
205f51d8
AS
1729#ifdef I_VALUES
1730# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1731# include <values.h>
1732# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1733# define DBL_MAX MAXDOUBLE
1734# endif
1735# if defined(MINDOUBLE) && !defined(DBL_MIN)
1736# define DBL_MIN MINDOUBLE
1737# endif
1738# endif
1739#endif /* defined(I_VALUES) */
1740
a22e52b9 1741typedef NVTYPE NV;
8175356b 1742
792d8dab
JH
1743#ifdef I_IEEEFP
1744# include <ieeefp.h>
1745#endif
923fc586 1746
65202027 1747#ifdef USE_LONG_DOUBLE
923fc586
JH
1748# ifdef I_SUNMATH
1749# include <sunmath.h>
1750# endif
2d4389e4 1751# define NV_DIG LDBL_DIG
d6c14000
JH
1752# ifdef LDBL_MANT_DIG
1753# define NV_MANT_DIG LDBL_MANT_DIG
1754# endif
06fc1729
JH
1755# ifdef LDBL_MIN
1756# define NV_MIN LDBL_MIN
1757# endif
1758# ifdef LDBL_MAX
1759# define NV_MAX LDBL_MAX
1760# endif
1761# ifdef LDBL_MIN_10_EXP
1762# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1763# endif
1764# ifdef LDBL_MAX_10_EXP
1765# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1766# endif
1767# ifdef LDBL_EPSILON
1768# define NV_EPSILON LDBL_EPSILON
1769# endif
f4a14a62
JH
1770# ifdef LDBL_MAX
1771# define NV_MAX LDBL_MAX
20f6aaab 1772/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1773# else
1774# ifdef HUGE_VALL
1775# define NV_MAX HUGE_VALL
1776# else
1777# ifdef HUGE_VAL
1778# define NV_MAX ((NV)HUGE_VAL)
1779# endif
1780# endif
1781# endif
68d4903c 1782# ifdef HAS_SQRTL
68d4903c
JH
1783# define Perl_cos cosl
1784# define Perl_sin sinl
1785# define Perl_sqrt sqrtl
1786# define Perl_exp expl
1787# define Perl_log logl
1788# define Perl_atan2 atan2l
1789# define Perl_pow powl
1790# define Perl_floor floorl
1bbae031 1791# define Perl_ceil ceill
68d4903c
JH
1792# define Perl_fmod fmodl
1793# endif
a3540c92
JH
1794/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1795# ifdef HAS_MODFL
1796# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1797/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1798 prototype in <math.h> */
1799# ifndef HAS_MODFL_PROTO
a221a8a5 1800EXTERN_C long double modfl(long double, long double *);
51997bc3 1801# endif
03476e8e
JH
1802# else
1803# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1804 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1805# define Perl_modf(x,y) Perl_my_modfl(x,y)
1806# endif
a3540c92
JH
1807# endif
1808# ifdef HAS_FREXPL
dff3e0b8 1809# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1810# else
1811# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1812 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1813# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1814# endif
a3540c92 1815# endif
38dbb4c5 1816# ifndef Perl_isnan
758a5d79
JH
1817# ifdef HAS_ISNANL
1818# define Perl_isnan(x) isnanl(x)
1819# endif
1820# endif
1821# ifndef Perl_isinf
1822# ifdef HAS_FINITEL
1823# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1824# endif
1825# endif
65202027 1826#else
2d4389e4 1827# define NV_DIG DBL_DIG
d6c14000
JH
1828# ifdef DBL_MANT_DIG
1829# define NV_MANT_DIG DBL_MANT_DIG
1830# endif
06fc1729
JH
1831# ifdef DBL_MIN
1832# define NV_MIN DBL_MIN
1833# endif
1834# ifdef DBL_MAX
1835# define NV_MAX DBL_MAX
1836# endif
1837# ifdef DBL_MIN_10_EXP
1838# define NV_MIN_10_EXP DBL_MIN_10_EXP
1839# endif
1840# ifdef DBL_MAX_10_EXP
1841# define NV_MAX_10_EXP DBL_MAX_10_EXP
1842# endif
1843# ifdef DBL_EPSILON
1844# define NV_EPSILON DBL_EPSILON
1845# endif
205f51d8 1846# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1847# define NV_MAX DBL_MAX
1848# define NV_MIN DBL_MIN
1849# else
1850# ifdef HUGE_VAL
1851# define NV_MAX HUGE_VAL
1852# endif
1853# endif
65202027
DS
1854# define Perl_cos cos
1855# define Perl_sin sin
1856# define Perl_sqrt sqrt
1857# define Perl_exp exp
1858# define Perl_log log
1859# define Perl_atan2 atan2
1860# define Perl_pow pow
1861# define Perl_floor floor
1bbae031 1862# define Perl_ceil ceil
65202027 1863# define Perl_fmod fmod
a3540c92 1864# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1865# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1866#endif
1867
1868/* rumor has it that Win32 has _fpclass() */
1869
205f51d8
AS
1870/* SGI has fpclassl... but not with the same result values,
1871 * and it's via a typedef (not via #define), so will need to redo Configure
1872 * to use. Not worth the trouble, IMO, at least until the below is used
1873 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1874 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1875 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1876
758a5d79
JH
1877#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1878# ifdef I_IEEFP
1879# include <ieeefp.h>
1880# endif
1881# ifdef I_FP
1882# include <fp.h>
1883# endif
1884# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1885# define Perl_fp_class() fpclassl(x)
1886# else
1887# define Perl_fp_class() fpclass(x)
1888# endif
1889# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1890# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1891# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1892# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1893# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1894# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1895# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1896# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1897# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1898# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1899# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1900# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1901# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1902# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1903# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1904#endif
1905
7114a2d2 1906#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1907# include <math.h>
1908# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1909# include <fp_class.h>
1910# endif
1911# define Perl_fp_class(x) fp_class(x)
1912# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1913# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1914# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1915# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1916# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1917# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1918# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1919# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1920# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1921# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1922# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1923# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1924# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1925# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1926# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1927#endif
1928
1929#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1930# include <math.h>
1931# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1932# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1933# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1934# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1935# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1936# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1937#endif
1938
1939#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1940# include <math.h>
1941# ifndef _cplusplus
1942# define Perl_fp_class(x) class(x)
1943# else
1944# define Perl_fp_class(x) _class(x)
1945# endif
1946# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1947# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1948# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1949# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1950# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1951# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1952# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1953# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1954# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1955# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1956# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1957# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1958# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1959# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1960# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1961#endif
1962
1963/* rumor has it that Win32 has _isnan() */
1964
1965#ifndef Perl_isnan
a3540c92 1966# ifdef HAS_ISNAN
758a5d79
JH
1967# define Perl_isnan(x) isnan((NV)x)
1968# else
1969# ifdef Perl_fp_class_nan
1970# define Perl_isnan(x) Perl_fp_class_nan(x)
1971# else
1972# ifdef HAS_UNORDERED
1973# define Perl_isnan(x) unordered((x), 0.0)
1974# else
1975# define Perl_isnan(x) ((x)!=(x))
1976# endif
1977# endif
1978# endif
1979#endif
1980
ca6c63e1
JH
1981#ifdef UNDER_CE
1982int isnan(double d);
1983#endif
1984
758a5d79
JH
1985#ifndef Perl_isinf
1986# ifdef HAS_ISINF
1987# define Perl_isinf(x) isinf((NV)x)
a3540c92 1988# else
758a5d79
JH
1989# ifdef Perl_fp_class_inf
1990# define Perl_isinf(x) Perl_fp_class_inf(x)
1991# else
1992# define Perl_isinf(x) ((x)==NV_INF)
1993# endif
1994# endif
1995#endif
1996
1997#ifndef Perl_isfinite
1998# ifdef HAS_FINITE
1999# define Perl_isfinite(x) finite((NV)x)
2000# else
2001# ifdef HAS_ISFINITE
2002# define Perl_isfinite(x) isfinite(x)
2003# else
2004# ifdef Perl_fp_class_finite
2005# define Perl_isfinite(x) Perl_fp_class_finite(x)
2006# else
2007# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2008# endif
2009# endif
a3540c92 2010# endif
65202027
DS
2011#endif
2012
a36244b7
JH
2013/* The default is to use Perl's own atof() implementation (in numeric.c).
2014 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2015 * it is however best to use the native implementation of atof.
2016 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2017 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2018 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2019 * you may need to be using a different function than atof! */
a36244b7
JH
2020
2021#ifndef USE_PERL_ATOF
2022# ifndef _UNICOS
2023# define USE_PERL_ATOF
2024# endif
2025#else
2026# if USE_PERL_ATOF == 0
2027# undef USE_PERL_ATOF
2028# endif
2029#endif
2030
2031#ifdef USE_PERL_ATOF
2032# define Perl_atof(s) Perl_my_atof(s)
2033# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2034#else
2035# define Perl_atof(s) (NV)atof(s)
2036# define Perl_atof2(s, n) ((n) = atof(s))
2037#endif
cf2093f6 2038
d460ef45 2039/* Previously these definitions used hardcoded figures.
760ac839
LW
2040 * It is hoped these formula are more portable, although
2041 * no data one way or another is presently known to me.
2042 * The "PERL_" names are used because these calculated constants
2043 * do not meet the ANSI requirements for LONG_MAX, etc., which
2044 * need to be constants acceptable to #if - kja
2045 * define PERL_LONG_MAX 2147483647L
2046 * define PERL_LONG_MIN (-LONG_MAX - 1)
2047 * define PERL ULONG_MAX 4294967295L
2048 */
2049
2050#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2051# include <limits.h>
760ac839 2052#endif
205f51d8
AS
2053/* Included values.h above if necessary; still including limits.h down here,
2054 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2055
99abf803
PP
2056/*
2057 * Try to figure out max and min values for the integral types. THE CORRECT
2058 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2059 * following hacks are used if neither limits.h or values.h provide them:
2060 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2061 * for types < int: (unsigned TYPE)~(unsigned)0
2062 * The argument to ~ must be unsigned so that later signed->unsigned
2063 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2064 * and it must not be smaller than int because ~ does integral promotion.
2065 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2066 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2067 * The latter is a hack which happens to work on some machines but
2068 * does *not* catch any random system, or things like integer types
2069 * with NaN if that is possible.
2070 *
2071 * All of the types are explicitly cast to prevent accidental loss of
2072 * numeric range, and in the hope that they will be less likely to confuse
2073 * over-eager optimizers.
2074 *
2075 */
27d4fb96 2076
99abf803
PP
2077#define PERL_UCHAR_MIN ((unsigned char)0)
2078
2079#ifdef UCHAR_MAX
2080# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2081#else
99abf803
PP
2082# ifdef MAXUCHAR
2083# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2084# else
99abf803 2085# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2086# endif
2087#endif
d460ef45 2088
99abf803
PP
2089/*
2090 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2091 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2092 * depending on local options. Until Configure detects this (or at least
2093 * detects whether the "signed" keyword is available) the CHAR ranges
2094 * will not be included. UCHAR functions normally.
2095 * - kja
2096 */
27d4fb96 2097
99abf803
PP
2098#define PERL_USHORT_MIN ((unsigned short)0)
2099
2100#ifdef USHORT_MAX
2101# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2102#else
99abf803
PP
2103# ifdef MAXUSHORT
2104# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2105# else
ef2f54b0
CB
2106# ifdef USHRT_MAX
2107# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2108# else
2109# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2110# endif
27d4fb96
PP
2111# endif
2112#endif
2113
27d4fb96 2114#ifdef SHORT_MAX
99abf803 2115# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2116#else
2117# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2118# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2119# else
ef2f54b0
CB
2120# ifdef SHRT_MAX
2121# define PERL_SHORT_MAX ((short)SHRT_MAX)
2122# else
2123# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2124# endif
27d4fb96
PP
2125# endif
2126#endif
2127
2128#ifdef SHORT_MIN
99abf803 2129# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2130#else
2131# ifdef MINSHORT
99abf803 2132# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2133# else
ef2f54b0
CB
2134# ifdef SHRT_MIN
2135# define PERL_SHORT_MIN ((short)SHRT_MIN)
2136# else
2137# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2138# endif
27d4fb96
PP
2139# endif
2140#endif
2141
99abf803
PP
2142#ifdef UINT_MAX
2143# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2144#else
99abf803
PP
2145# ifdef MAXUINT
2146# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2147# else
99abf803 2148# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2149# endif
2150#endif
2151
99abf803 2152#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2153
2154#ifdef INT_MAX
99abf803 2155# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2156#else
2157# ifdef MAXINT /* Often used in <values.h> */
99abf803 2158# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2159# else
99abf803 2160# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2161# endif
2162#endif
2163
2164#ifdef INT_MIN
99abf803 2165# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2166#else
2167# ifdef MININT
99abf803 2168# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2169# else
2170# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2171# endif
2172#endif
2173
99abf803
PP
2174#ifdef ULONG_MAX
2175# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2176#else
99abf803
PP
2177# ifdef MAXULONG
2178# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2179# else
99abf803 2180# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2181# endif
2182#endif
2183
99abf803 2184#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2185
760ac839 2186#ifdef LONG_MAX
99abf803 2187# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2188#else
2189# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2190# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2191# else
99abf803 2192# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2193# endif
2194#endif
2195
2196#ifdef LONG_MIN
99abf803 2197# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2198#else
2199# ifdef MINLONG
99abf803 2200# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2201# else
27d4fb96 2202# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2203# endif
2204#endif
2205
d7d93a81 2206#ifdef UV_IS_QUAD
99abf803 2207
99abf803 2208# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2209# define PERL_UQUAD_MIN ((UV)0)
99abf803 2210# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2211# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2212
79072805
LW
2213#endif
2214
22f7c9c9
JH
2215#ifdef MYMALLOC
2216# include "malloc_ctl.h"
2217#endif
2218
830247a4 2219struct RExC_state_t;
8e11feef 2220struct _reg_trie_data;
880b20b6 2221
ee0007ab 2222typedef MEM_SIZE STRLEN;
450a55e4 2223
598921a7
NC
2224#ifdef PERL_MAD
2225typedef struct token TOKEN;
2226typedef struct madprop MADPROP;
2227typedef struct nexttoken NEXTTOKE;
2228#endif
79072805
LW
2229typedef struct op OP;
2230typedef struct cop COP;
2231typedef struct unop UNOP;
2232typedef struct binop BINOP;
2233typedef struct listop LISTOP;
2234typedef struct logop LOGOP;
79072805
LW
2235typedef struct pmop PMOP;
2236typedef struct svop SVOP;
7934575e 2237typedef struct padop PADOP;
79072805 2238typedef struct pvop PVOP;
79072805
LW
2239typedef struct loop LOOP;
2240
cd1541b2
NC
2241typedef struct interpreter PerlInterpreter;
2242
d2b3f365
SS
2243/* Amdahl's <ksync.h> has struct sv */
2244/* SGI's <sys/sema.h> has struct sv */
2245#if defined(UTS) || defined(__sgi)
2246# define STRUCT_SV perl_sv
b8d3c5db
JH
2247#else
2248# define STRUCT_SV sv
2249#endif
2250typedef struct STRUCT_SV SV;
79072805
LW
2251typedef struct av AV;
2252typedef struct hv HV;
2253typedef struct cv CV;
378cc40b 2254typedef struct regexp REGEXP;
79072805 2255typedef struct gp GP;
0c30d9ec 2256typedef struct gv GV;
8990e307 2257typedef struct io IO;
c09156bb 2258typedef struct context PERL_CONTEXT;
79072805
LW
2259typedef struct block BLOCK;
2260
2261typedef struct magic MAGIC;
2262typedef struct xpv XPV;
2263typedef struct xpviv XPVIV;
ff68c719 2264typedef struct xpvuv XPVUV;
79072805
LW
2265typedef struct xpvnv XPVNV;
2266typedef struct xpvmg XPVMG;
2267typedef struct xpvlv XPVLV;
2268typedef struct xpvav XPVAV;
2269typedef struct xpvhv XPVHV;
2270typedef struct xpvgv XPVGV;
2271typedef struct xpvcv XPVCV;
2272typedef struct xpvbm XPVBM;
2273typedef struct xpvfm XPVFM;
8990e307 2274typedef struct xpvio XPVIO;
79072805
LW
2275typedef struct mgvtbl MGVTBL;
2276typedef union any ANY;
5f7fde29
GS
2277typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2278typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2279typedef struct clone_params CLONE_PARAMS;
2280
378cc40b 2281#include "handy.h"
a0d0e21e 2282
6b8eaf93 2283#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2284# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2285# define USE_64_BIT_RAWIO /* implicit */
2286# endif
4564133c
JH
2287#endif
2288
6b8eaf93
JH
2289/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2290 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2291 * however, because operating systems like to do that themself. */
2292#ifndef FSEEKSIZE
2293# ifdef HAS_FSEEKO
2294# define FSEEKSIZE LSEEKSIZE
2295# else
2296# define FSEEKSIZE LONGSIZE
d460ef45 2297# endif
6b8eaf93
JH
2298#endif
2299
2300#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2301# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2302# define USE_64_BIT_STDIO /* implicit */
2303# endif
2304#endif
4564133c 2305
09458382 2306#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2307# ifdef HAS_OFF64_T
2308# undef Off_t
2309# define Off_t off64_t
2310# undef LSEEKSIZE
2311# define LSEEKSIZE 8
5ff3f7a4 2312# endif
d9b3e12d
JH
2313/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2314 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2315 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2316# if defined(USE_OPEN64)
2317# define open open64
5ff3f7a4 2318# endif
d9b3e12d
JH
2319# if defined(USE_LSEEK64)
2320# define lseek lseek64
6b8eaf93
JH
2321# else
2322# if defined(USE_LLSEEK)
2323# define lseek llseek
2324# endif
d9b3e12d
JH
2325# endif
2326# if defined(USE_STAT64)
2327# define stat stat64
2328# endif
2329# if defined(USE_FSTAT64)
2330# define fstat fstat64
2331# endif
2332# if defined(USE_LSTAT64)
2333# define lstat lstat64
2334# endif
2335# if defined(USE_FLOCK64)
2336# define flock flock64
2337# endif
2338# if defined(USE_LOCKF64)
2339# define lockf lockf64
2340# endif
2341# if defined(USE_FCNTL64)
2342# define fcntl fcntl64
2343# endif
2344# if defined(USE_TRUNCATE64)
2345# define truncate truncate64
2346# endif
2347# if defined(USE_FTRUNCATE64)
2348# define ftruncate ftruncate64
2349# endif
2350#endif
2351
2352#ifdef USE_64_BIT_STDIO
2353# ifdef HAS_FPOS64_T
2354# undef Fpos_t
2355# define Fpos_t fpos64_t
2356# endif
2357/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2358 * will trigger defines like the ones below. Some 64-bit environments,
2359 * however, do not. */
2360# if defined(USE_FOPEN64)
2361# define fopen fopen64
2362# endif
2363# if defined(USE_FSEEK64)
6b8eaf93 2364# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2365# endif
2366# if defined(USE_FTELL64)
6b8eaf93 2367# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2368# endif
2369# if defined(USE_FSETPOS64)
2370# define fsetpos fsetpos64
2371# endif
2372# if defined(USE_FGETPOS64)
2373# define fgetpos fgetpos64
2374# endif
2375# if defined(USE_TMPFILE64)
2376# define tmpfile tmpfile64
2377# endif
2378# if defined(USE_FREOPEN64)
2379# define freopen freopen64
5ff3f7a4
GS
2380# endif
2381#endif
2382
af8b425d 2383#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2384# include "iperlsys.h"
2385#endif
2386
6f71a643 2387#if defined(__OPEN_VM)
19848b3f
JH
2388# include "vmesa/vmesaish.h"
2389# define ISHISH "vmesa"
6f71a643
JH
2390#endif
2391
748a9306 2392#ifdef DOSISH
19848b3f
JH
2393# if defined(OS2)
2394# include "os2ish.h"
2395# else
2396# include "dosish.h"
2397# endif
2398# define ISHISH "dos"
2399#endif
2400
2401#if defined(VMS)
748a9306 2402# include "vmsish.h"
96e176bf 2403# include "embed.h"
eb8433b7
NC
2404# ifndef PERL_MAD
2405# undef op_getmad
b3f24c00 2406# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2407# endif
19848b3f
JH
2408# define ISHISH "vms"
2409#endif
2410
2411#if defined(PLAN9)
2412# include "./plan9/plan9ish.h"
2413# define ISHISH "plan9"
2414#endif
2415
2416#if defined(MPE)
2417# include "mpeix/mpeixish.h"
2418# define ISHISH "mpeix"
2419#endif
2420
2421#if defined(__VOS__)
196918b0
PG
2422# ifdef __GNUC__
2423# include "./vos/vosish.h"
2424# else
2425# include "vos/vosish.h"
2426# endif
19848b3f
JH
2427# define ISHISH "vos"
2428#endif
2429
2430#if defined(EPOC)
2431# include "epocish.h"
2432# define ISHISH "epoc"
2433#endif
2434
9969cdde 2435#ifdef __SYMBIAN32__
27da23d5
JH
2436# include "symbian/symbianish.h"
2437# include "embed.h"
eb8433b7
NC
2438# ifndef PERL_MAD
2439# undef op_getmad
b3f24c00 2440# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2441# endif
27da23d5
JH
2442# define ISHISH "symbian"
2443#endif
2444
19848b3f
JH
2445#if defined(MACOS_TRADITIONAL)
2446# include "macos/macish.h"
2447# ifndef NO_ENVIRON_ARRAY
2448# define NO_ENVIRON_ARRAY
0c30d9ec 2449# endif
19848b3f
JH
2450# define ISHISH "macos classic"
2451#endif
2452
efca5cc6
JH
2453#if defined(__BEOS__)
2454# include "beos/beosish.h"
2455# define ISHISH "beos"
2456#endif
2457
19848b3f
JH
2458#ifndef ISHISH
2459# include "unixish.h"
2460# define ISHISH "unix"
13b6e58c
JH
2461#endif
2462
2946a158
JH
2463/* NSIG logic from Configure --> */
2464/* Strange style to avoid deeply-nested #if/#else/#endif */
2465#ifndef NSIG
2466# ifdef _NSIG
2467# define NSIG (_NSIG)
2468# endif
2469#endif
2470
2471#ifndef NSIG
2472# ifdef SIGMAX
2473# define NSIG (SIGMAX+1)
2474# endif
2475#endif
2476
2477#ifndef NSIG
2478# ifdef SIG_MAX
2479# define NSIG (SIG_MAX+1)
2480# endif
2481#endif
2482
2483#ifndef NSIG
2484# ifdef _SIG_MAX
2485# define NSIG (_SIG_MAX+1)
2486# endif
2487#endif
2488
2489#ifndef NSIG
2490# ifdef MAXSIG
2491# define NSIG (MAXSIG+1)
2492# endif
2493#endif
2494
2495#ifndef NSIG
2496# ifdef MAX_SIG
2497# define NSIG (MAX_SIG+1)
2498# endif
2499#endif
2500
2501#ifndef NSIG
2502# ifdef SIGARRAYSIZE
2503# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2504# endif
2505#endif
2506
2507#ifndef NSIG
2508# ifdef _sys_nsig
2509# define NSIG (_sys_nsig) /* Solaris 2.5 */
2510# endif
2511#endif
2512
2513/* Default to some arbitrary number that's big enough to get most
2514 of the common signals.
2515*/
2516#ifndef NSIG
2517# define NSIG 50
2518#endif
2519/* <-- NSIG logic from Configure */
2520
13b6e58c
JH
2521#ifndef NO_ENVIRON_ARRAY
2522# define USE_ENVIRON_ARRAY
2523#endif
32f822de 2524
c77b533b
JH
2525/*
2526 * initialise to avoid floating-point exceptions from overflow, etc
2527 */
2528#ifndef PERL_FPU_INIT
2529# ifdef HAS_FPSETMASK
2530# if HAS_FLOATINGPOINT_H
2531# include <floatingpoint.h>
2532# endif
2533# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2534# else
2f42fcb0 2535# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2536# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS
2537# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2538# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2539# else
2540# define PERL_FPU_INIT
2f42fcb0 2541
7014c407 2542# endif
c77b533b
JH
2543# endif
2544#endif
b35112e7
CS
2545#ifndef PERL_FPU_PRE_EXEC
2546# define PERL_FPU_PRE_EXEC {
2547# define PERL_FPU_POST_EXEC }
2548#endif
c77b533b 2549
ed344e4f
IZ
2550#ifndef PERL_SYS_INIT3
2551# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2552#endif
2553
be708cc0
JH
2554#ifndef PERL_WRITE_MSG_TO_CONSOLE
2555# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2556#endif
2557
0f31cffe
GS
2558#ifndef MAXPATHLEN
2559# ifdef PATH_MAX
b990c8b2
JH
2560# ifdef _POSIX_PATH_MAX
2561# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2562/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2563 * included the null byte or not. Later amendments of POSIX,
2564 * XPG4, the Austin Group, and the Single UNIX Specification
2565 * all explicitly include the null byte in the PATH_MAX.
2566 * Ditto for _POSIX_PATH_MAX. */
2567# define MAXPATHLEN PATH_MAX
b990c8b2 2568# else
09448d78 2569# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2570# endif
2571# else
2572# define MAXPATHLEN (PATH_MAX+1)
2573# endif
0f31cffe 2574# else
b990c8b2 2575# ifdef _POSIX_PATH_MAX
09448d78 2576# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2577# else
2578# define MAXPATHLEN 1024 /* Err on the large side. */
2579# endif
0f31cffe
GS
2580# endif
2581#endif
2582
c80263a8
SH
2583/* In case Configure was not used (we are using a "canned config"
2584 * such as Win32, or a cross-compilation setup, for example) try going
2585 * by the gcc major and minor versions. One useful URL is
2586 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2587 * but contrary to this information warn_unused_result seems
2588 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2589 * Also, when building extensions with an installed perl, this allows
2590 * the user to upgrade gcc and get the right attributes, rather than
2591 * relying on the list generated at Configure time. --AD
c80263a8
SH
2592 * Set these up now otherwise we get confused when some of the <*thread.h>
2593 * includes below indirectly pull in <perlio.h> (which needs to know if we
2594 * have HASATTRIBUTE_FORMAT).
2595 */
2596
fc2007d4 2597#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2598# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2599# define HASATTRIBUTE_FORMAT
2600# endif
2601# if __GNUC__ >= 3 /* 3.0 -> */
2602# define HASATTRIBUTE_MALLOC
2603# endif
2604# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2605# define HASATTRIBUTE_NONNULL
2606# endif
2607# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2608# define HASATTRIBUTE_NORETURN
2609# endif
2610# if __GNUC__ >= 3 /* gcc 3.0 -> */
2611# define HASATTRIBUTE_PURE
2612# endif
42bf5550 2613# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2614# define HASATTRIBUTE_UNUSED
2615# endif
d324fe49
AD
2616# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2617# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2618# endif
c80263a8
SH
2619# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2620# define HASATTRIBUTE_WARN_UNUSED_RESULT
2621# endif
2622#endif
2623
3db8f154 2624/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2625 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2626 * this results in many functions being undeclared which bothers C++
2627 * May make sense to have threads after "*ish.h" anyway
2628 */
2629
3db8f154 2630#if defined(USE_ITHREADS)
2986a63f
JH
2631# ifdef NETWARE
2632# include <nw5thread.h>
2633# else
32f822de
GS
2634# ifdef FAKE_THREADS
2635# include "fakethr.h"
2636# else
2637# ifdef WIN32
2638# include <win32thread.h>
2639# else
dd96f567
IZ
2640# ifdef OS2
2641# include "os2thread.h"
2642# else
7f3d1cf1 2643# ifdef I_MACH_CTHREADS
bdd66968 2644# include <mach/cthreads.h>
8f1f23e8 2645# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2646# define MUTEX_INIT_CALLS_MALLOC
2647# endif
7f3d1cf1
BH
2648typedef cthread_t perl_os_thread;
2649typedef mutex_t perl_mutex;
2650typedef condition_t perl_cond;
2651typedef void * perl_key;
2652# else /* Posix threads */
1f5ae88c
JH
2653# ifdef I_PTHREAD
2654# include <pthread.h>
2655# endif
7f3d1cf1
BH
2656typedef pthread_t perl_os_thread;
2657typedef pthread_mutex_t perl_mutex;
2658typedef pthread_cond_t perl_cond;
2659typedef pthread_key_t perl_key;
2660# endif /* I_MACH_CTHREADS */
dd96f567 2661# endif /* OS2 */
32f822de
GS
2662# endif /* WIN32 */
2663# endif /* FAKE_THREADS */
2986a63f 2664#endif /* NETWARE */
3db8f154 2665#endif /* USE_ITHREADS */
c5be433b 2666
66a93824 2667#if defined(WIN32)
1feb2720 2668# include "win32.h"
c5be433b
GS
2669#endif
2670
2986a63f
JH
2671#ifdef NETWARE
2672# include "netware.h"
2673#endif
2674
e5218da5 2675#define STATUS_UNIX PL_statusvalue
68dc0745 2676#ifdef VMS
6b88bc9c 2677# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2678/*
2679 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2680 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2681 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2682 * be updated also.
2683 */
2684# include <stsdef.h>
2685# include <ssdef.h>
2686/* Presume this because if VMS changes it, it will require a new
2687 * set of APIs for waiting on children for binary compatibility.
2688 */
2689# define child_offset_bits (8)
2690# ifndef C_FAC_POSIX
2691# define C_FAC_POSIX 0x35A000
2692# endif
2693
2694/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2695 * platform from the existing UNIX or Native status values.
2696 */
2697
37038d91 2698# define STATUS_EXIT \
7a7fd8e0
JM
2699 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2700 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2701
7a7fd8e0 2702
fb38d079
JM
2703/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2704 * exit code and shifts the UNIX value over the correct number of bits to
2705 * be a child status. Usually the number of bits is 8, but that could be
2706 * platform dependent. The NATIVE status code is presumed to have either
2707 * from a child process.
7a7fd8e0
JM
2708 */
2709
fb38d079
JM
2710/* This is complicated. The child processes return a true native VMS
2711 status which must be saved. But there is an assumption in Perl that
2712 the UNIX child status has some relationship to errno values, so
2713 Perl tries to translate it to text in some of the tests.
2714 In order to get the string translation correct, for the error, errno
2715 must be EVMSERR, but that generates a different text message
2716 than what the test programs are expecting. So an errno value must
2717 be derived from the native status value when an error occurs.
2718 That will hide the true native status message. With this version of
2719 perl, the true native child status can always be retrieved so that
2720 is not a problem. But in this case, Pl_statusvalue and errno may
2721 have different values in them.
2722 */
7a7fd8e0 2723
fb38d079 2724# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2725 STMT_START { \
2fbb330f
JM
2726 I32 evalue = (I32)n; \
2727 if (evalue == EVMSERR) { \
2728 PL_statusvalue_vms = vaxc$errno; \
2729 PL_statusvalue = evalue; \
7a7fd8e0 2730 } else { \
2fbb330f 2731 PL_statusvalue_vms = evalue; \
fb38d079 2732 if (evalue == -1) { \
3280af22 2733 PL_statusvalue = -1; \
7a7fd8e0
JM
2734 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2735 } else \
fb38d079 2736 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2737 set_vaxc_errno(evalue); \
fb38d079
JM
2738 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2739 set_errno(EVMSERR); \
2740 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2741 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2742 } \
68dc0745 2743 } STMT_END
7a7fd8e0 2744
68dc0745 2745# ifdef VMSISH_STATUS
e5218da5 2746# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2747# else
e5218da5 2748# define STATUS_CURRENT STATUS_UNIX
68dc0745 2749# endif
7a7fd8e0
JM
2750
2751 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2752 * the NATIVE status to an equivalent value. Can not be used to translate
2753 * exit code values as exit code values are not guaranteed to have any
2754 * relationship at all to errno values.
2755 * This is used when Perl is forcing errno to have a specific value.
2756 */
e5218da5 2757# define STATUS_UNIX_SET(n) \
68dc0745 2758 STMT_START { \
7a7fd8e0 2759 I32 evalue = (I32)n; \
0968cdad 2760 PL_statusvalue = evalue; \
3280af22 2761 if (PL_statusvalue != -1) { \
0968cdad
JM
2762 if (PL_statusvalue != EVMSERR) { \
2763 PL_statusvalue &= 0xFFFF; \
2764 if (MY_POSIX_EXIT) \
2765 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2766 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2767 } \
2768 else { \
2769 PL_statusvalue_vms = vaxc$errno; \
2770 } \
68dc0745 2771 } \
0968cdad
JM
2772 else PL_statusvalue_vms = SS$_ABORT; \
2773 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2774 } STMT_END
2775
2776 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2777 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2778 * the UNIX/POSIX exit codes have any relationship to errno, except
2779 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2780 * with the Perl VMS documentation, any other code sets the NATIVE
2781 * status to a failure code of SS$_ABORT.
fb38d079
JM
2782 *
2783 * In the new POSIX EXIT mode, native status will be set so that the
2784 * actual exit code will can be retrieved by the calling program or
2785 * shell.
2786 *
2787 * If the exit code is not clearly a UNIX parent or child exit status,
2788 * it will be passed through as a VMS status.
7a7fd8e0
JM
2789 */
2790
fb38d079 2791# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2792 STMT_START { \
2793 I32 evalue = (I32)n; \
2794 PL_statusvalue = evalue; \
fb38d079
JM
2795 if (evalue != -1) { \
2796 if (evalue <= 0xFF00) { \
2797 if (evalue > 0xFF) \
2798 evalue = (evalue >> child_offset_bits) & 0xFF; \
2799 if (evalue == 0) \
2800 PL_statusvalue_vms == SS$_NORMAL; \
2801 else \
2802 if (MY_POSIX_EXIT) \
2803 PL_statusvalue_vms = \
2804 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2805 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2806 else \
6ac6a52b 2807 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2808 } else { /* forgive them Perl, for they have sinned */ \
2809 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2810 else PL_statusvalue_vms = vaxc$errno; \
2811 /* And obviously used a VMS status value instead of UNIX */ \
2812 PL_statusvalue = EVMSERR; \
2813 } \
7a7fd8e0
JM
2814 } \
2815 else PL_statusvalue_vms = SS$_ABORT; \
2816 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2817 } STMT_END
fb38d079 2818
6ac6a52b
JM
2819 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2820 * and sets the NATIVE error status based on it. This special case
2821 * is needed to maintain compatibility with past VMS behavior.
2822 *
2823 * In the default mode on VMS, this number is passed through as
2824 * both the NATIVE and UNIX status. Which makes it different
2825 * that the STATUS_UNIX_EXIT_SET.
2826 *
2827 * In the new POSIX EXIT mode, native status will be set so that the
2828 * actual exit code will can be retrieved by the calling program or
2829 * shell.
2830 *
2831 */
2832
2833# define STATUS_EXIT_SET(n) \
2834 STMT_START { \
2835 I32 evalue = (I32)n; \
2836 PL_statusvalue = evalue; \
2837 if (MY_POSIX_EXIT) \
2838 PL_statusvalue_vms = \
2839 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2840 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2841 else \
2842 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2843 set_vaxc_errno(PL_statusvalue_vms); \
2844 } STMT_END
2845
fb38d079
JM
2846
2847 /* This macro forces a success status */
7a7fd8e0
JM
2848# define STATUS_ALL_SUCCESS \
2849 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2850
2851 /* This macro forces a failure status */
7a7fd8e0
JM
2852# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2853 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2854 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2855
68dc0745 2856#else
e5218da5 2857# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2858# if defined(WCOREDUMP)
37038d91 2859# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2860 STMT_START { \
2861 PL_statusvalue_posix = (n); \
2862 if (PL_statusvalue_posix == -1) \
2863 PL_statusvalue = -1; \
2864 else { \
2865 PL_statusvalue = \
2866 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2867 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2868 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2869 } \
2870 } STMT_END
2871# elif defined(WIFEXITED)
37038d91 2872# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2873 STMT_START { \
2874 PL_statusvalue_posix = (n); \
2875 if (PL_statusvalue_posix == -1) \
2876 PL_statusvalue = -1; \
2877 else { \
2878 PL_statusvalue = \
2879 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2880 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2881 } \
2882 } STMT_END
2883# else
37038d91 2884# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2885 STMT_START { \
2886 PL_statusvalue_posix = (n); \
2887 if (PL_statusvalue_posix == -1) \
2888 PL_statusvalue = -1; \
2889 else { \
2890 PL_statusvalue = \
2891 PL_statusvalue_posix & 0xFFFF; \
2892 } \
2893 } STMT_END
2894# endif
2895# define STATUS_UNIX_SET(n) \
68dc0745 2896 STMT_START { \
3280af22
NIS
2897 PL_statusvalue = (n); \
2898 if (PL_statusvalue != -1) \
2899 PL_statusvalue &= 0xFFFF; \
68dc0745 2900 } STMT_END
7a7fd8e0 2901# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2902# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2903# define STATUS_CURRENT STATUS_UNIX
37038d91 2904# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2905# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2906# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2907#endif
2908
cc3604b1
GS
2909/* flags in PL_exit_flags for nature of exit() */
2910#define PERL_EXIT_EXPECTED 0x01
31d77e54 2911#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2912
0b94c7bb 2913#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2914# define MEMBER_TO_FPTR(name) name
2915#endif
2916
2917/* format to use for version numbers in file/directory names */
273cf8d1 2918/* XXX move to Configure? */
a7cb1f99 2919#ifndef PERL_FS_VER_FMT
273cf8d1 2920# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2921#endif
2922
45bc9206 2923/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2924 * performance issue, so we allow people to disable it. Also, if
2925 * we are using stdio, there are broken implementations of fflush(NULL)
2926 * out there, Solaris being the most prominent.
45bc9206
GS
2927 */
2928#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2929# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2930# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2931# else
2932# ifdef FFLUSH_ALL
2933# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2934# else
c5be433b 2935# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2936# endif
66fe083f 2937# endif
45bc9206
GS
2938#endif
2939
7766f137
GS
2940#ifndef PERL_WAIT_FOR_CHILDREN
2941# define PERL_WAIT_FOR_CHILDREN NOOP
2942#endif
2943
ba869deb 2944/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2945#ifndef PERL_SET_INTERP
2946# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2947#endif
2948
2949#ifndef PERL_GET_INTERP
2950# define PERL_GET_INTERP (PL_curinterp)
2951#endif
2952
54aff467 2953#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2954# ifdef MULTIPLICITY
ba869deb 2955# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2956# endif
ba869deb
GS
2957# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2958#endif
2959
8896765a
RB
2960/*
2961 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2962 All that is required is that the perl source does not
8896765a
RB
2963 use "%-p" or "%-<number>p" or "%<number>p" formats.
2964 These formats will still work in perl code.
2965 See comments in sv.c for futher details.
2966
2967 -DvdNUMBER=<number> can be used to redefine VDf
2968
2969 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2970 which works properly but gives compiler warnings
2971
2972 Robin Barker 2005-07-14
0dbb1585 2973*/
8896765a
RB
2974
2975#ifndef SVf_
63ce7bf0 2976# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
2977#endif
2978
8896765a 2979#ifndef SVf
104abab4 2980# define SVf "-p"
d2560b70
RB
2981#endif
2982
014ead4b 2983#ifndef SVf32
8896765a 2984# define SVf32 SVf_(32)
014ead4b
RB
2985#endif
2986
2987#ifndef SVf256
8896765a
RB
2988# define SVf256 SVf_(256)
2989#endif
2990
2991#ifndef vdNUMBER
2992# define vdNUMBER 1
2993#endif
2994
2995#ifndef VDf
2996# if vdNUMBER
63ce7bf0 2997# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
2998# else
2999# define VDf "vd"
3000# endif
014ead4b
RB
3001#endif
3002
3003#ifndef UVf
3004# define UVf UVuf
d2560b70
RB
3005#endif
3006
0dbb1585
AL
3007#ifdef HASATTRIBUTE_FORMAT
3008# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3009#endif
3010#ifdef HASATTRIBUTE_MALLOC
77785eea 3011# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3012#endif
0dbb1585 3013#ifdef HASATTRIBUTE_NONNULL
abb2c242 3014# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3015#endif
0dbb1585 3016#ifdef HASATTRIBUTE_NORETURN
abb2c242 3017# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3018#endif
0dbb1585 3019#ifdef HASATTRIBUTE_PURE
abb2c242 3020# define __attribute__pure__ __attribute__((pure))
f22be1b8 3021#endif
0dbb1585
AL
3022#ifdef HASATTRIBUTE_UNUSED
3023# define __attribute__unused__ __attribute__((unused))
3024#endif
3025#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3026# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3027#endif
3028
0dbb1585
AL
3029/* If we haven't defined the attributes yet, define them to blank. */
3030#ifndef __attribute__format__
3031# define __attribute__format__(x,y,z)
3032#endif
f22be1b8 3033#ifndef __attribute__malloc__
abb2c242 3034# define __attribute__malloc__
f22be1b8
JH
3035#endif
3036#ifndef __attribute__nonnull__
abb2c242 3037# define __attribute__nonnull__(a)
f22be1b8
JH
3038#endif
3039#ifndef __attribute__noreturn__
abb2c242 3040# define __attribute__noreturn__
f22be1b8
JH
3041#endif
3042#ifndef __attribute__pure__
abb2c242 3043# define __attribute__pure__
f22be1b8 3044#endif
0dbb1585
AL
3045#ifndef __attribute__unused__
3046# define __attribute__unused__
3047#endif
f22be1b8 3048#ifndef __attribute__warn_unused_result__
abb2c242
JH
3049# define __attribute__warn_unused_result__
3050#endif
3051
0dbb1585
AL
3052/* For functions that are marked as __attribute__noreturn__, it's not
3053 appropriate to call return. In either case, include the lint directive.
3054 */
3055#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3056# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3057#else
b37c2d43 3058# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3059#endif
3060
635aebb7 3061#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3062# define EXPECT(expr,val) __builtin_expect(expr,val)
3063#else
3064# define EXPECT(expr,val) (expr)
3065#endif
3066#define LIKELY(cond) EXPECT(cond,1)
3067#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3068#ifdef HAS_BUILTIN_CHOOSE_EXPR
3069/* placeholder */
3070#endif
b37c2d43 3071
3fc1aec6
PP
3072/* Some unistd.h's give a prototype for pause() even though
3073 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3074 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3075*/
3076#ifdef HAS_PAUSE
3077#define Pause pause
3078#else
3079#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3080#endif
3081
3082#ifndef IOCPARM_LEN
3083# ifdef IOCPARM_MASK
61f1c44b 3084 /* on BSDish systems we're safe */
748a9306
LW
3085# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3086# else
61f1c44b 3087# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3088 /* on Linux systems we're safe; except when we're not [perl #38223] */
3089# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3090# else
748a9306 3091 /* otherwise guess at what's safe */
61f1c44b
JVD
3092# define IOCPARM_LEN(x) 256
3093# endif
748a9306 3094# endif
a0d0e21e
LW
3095#endif
3096
1761cee5 3097#if defined(__CYGWIN__)
521e0776
GS
3098/* USEMYBINMODE
3099 * This symbol, if defined, indicates that the program should
16fe6d59 3100 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3101 * that a file is in "binary" mode -- that is, that no translation
3102 * of bytes occurs on read or write operations.
3103 */
36894f0b 3104# define USEMYBINMODE /**/
77a40698 3105# include <io.h> /* for setmode() prototype */
16fe6d59 3106# define my_binmode(fp, iotype, mode) \
77a40698 3107 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3108#endif
3109
88d10794
JH
3110#ifdef __CYGWIN__
3111void init_os_extras(void);
3112#endif
3113
cea2e8a9
GS
3114#ifdef UNION_ANY_DEFINITION
3115UNION_ANY_DEFINITION;
3116#else
3117union any {
3118 void* any_ptr;
3119 I32 any_i32;
3120 IV any_iv;
3121 long any_long;
9febdf04 3122 bool any_bool;
c76ac1ee 3123 void (*any_dptr) (void*);
acfe0abc 3124 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3125};
3126#endif
3127
acfe0abc 3128typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3129
3130#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3131#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3132#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3133
c5078cac
JH
3134#if defined(_AIX) && !defined(_AIX43)
3135#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3136/* We cannot include <crypt.h> to get the struct crypt_data
3137 * because of setkey prototype problems when threading */
3138typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3139 /* From OSF, Not needed in AIX
3140 char C[28], D[28];
3141 */
3142 char E[48];
3143 char KS[16][48];
3144 char block[66];
3145 char iobuf[16];
3146} CRYPTD;
3147#endif /* threading */
3148#endif /* AIX */
3149
af8b425d 3150#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3151# include "iperlsys.h"
3152#endif
504f80c1 3153
d10dc2ae
JH
3154/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3155 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3156 * defined by Configure, despite their names being similar to the
3157 * other defines like USE_ITHREADS. Configure in fact knows nothing
3158 * about the randomised hashes. Therefore to enable/disable the hash
3159 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3160#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3161# define USE_HASH_SEED
504f80c1
JH
3162#endif
3163
598921a7
NC
3164/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3165 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3166 * it's not really needed.
3167 */
3168#if defined(WIN32)
3169# define YYTOKENTYPE
3170#endif
3171#include "perly.h"
3172
3173#ifdef PERL_MAD
3174struct nexttoken {
3175 YYSTYPE next_val; /* value of next token, if any */
3176 I32 next_type; /* type of next token */
3177 MADPROP *next_mad; /* everything else about that token */
3178};
3179#endif
3180
378cc40b 3181#include "regexp.h"
79072805 3182#include "sv.h"
378cc40b 3183#include "util.h"
8d063cd8 3184#include "form.h"
79072805 3185#include "gv.h"
dd2155a4 3186#include "pad.h"
79072805 3187#include "cv.h"
abdd5c84 3188#include "opnames.h"
79072805 3189#include "op.h"
b3ca2e83 3190#include "hv.h"
79072805
LW
3191#include "cop.h"
3192#include "av.h"
79072805
LW
3193#include "mg.h"
3194#include "scope.h"
4438c4b7 3195#include "warnings.h"
a0ed51b3 3196#include "utf8.h"
8d063cd8 3197
7fae4e64
GS
3198
3199typedef struct _sublex_info SUBLEXINFO;
3200struct _sublex_info {
3201 I32 super_state; /* lexer state to save */
3202 I32 sub_inwhat; /* "lex_inwhat" to use */
3203 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3204 char *super_bufptr; /* PL_bufptr that was */
3205 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3206};
3207
455ece5e 3208typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3209
2c2d71f5 3210struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3211struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3212
6f51351d
NC
3213/* Keep next first in this structure, because sv_free_arenas take
3214 advantage of this to share code between the pte arenas and the SV
3215 body arenas */
5f7fde29
GS
3216struct ptr_tbl_ent {
3217 struct ptr_tbl_ent* next;
53c1dcc0 3218 const void* oldval;
5f7fde29 3219 void* newval;
d18c6117
GS
3220};
3221
5f7fde29
GS
3222struct ptr_tbl {
3223 struct ptr_tbl_ent** tbl_ary;
3224 UV tbl_max;
3225 UV tbl_items;
d18c6117
GS
3226};
3227
450a55e4 3228#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3229# define I286
3230#endif
3231
fe14fcc3
LW
3232#if defined(htonl) && !defined(HAS_HTONL)
3233#define HAS_HTONL
ae986130 3234#endif
fe14fcc3
LW
3235#if defined(htons) && !defined(HAS_HTONS)
3236#define HAS_HTONS
ae986130 3237#endif
fe14fcc3
LW
3238#if defined(ntohl) && !defined(HAS_NTOHL)
3239#define HAS_NTOHL
ae986130 3240#endif
fe14fcc3
LW
3241#if defined(ntohs) && !defined(HAS_NTOHS)
3242#define HAS_NTOHS
ae986130 3243#endif
fe14fcc3 3244#ifndef HAS_HTONL
d9d8d8de 3245#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3246#define HAS_HTONS
3247#define HAS_HTONL
3248#define HAS_NTOHS
3249#define HAS_NTOHL
a687059c
LW
3250#define MYSWAP
3251#define htons my_swap
3252#define htonl my_htonl
3253#define ntohs my_swap
3254#define ntohl my_ntohl
3255#endif
3256#else
d9d8d8de 3257#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3258#undef HAS_HTONS
3259#undef HAS_HTONL
3260#undef HAS_NTOHS
3261#undef HAS_NTOHL
a687059c
LW
3262#endif
3263#endif
3264
988174c1
LW
3265/*
3266 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3267 * -DWS
3268 */
3269#if BYTEORDER != 0x1234
3270# define HAS_VTOHL
3271# define HAS_VTOHS
3272# define HAS_HTOVL
3273# define HAS_HTOVS
c67712b2 3274# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3275# define vtohl(x) ((((x)&0xFF)<<24) \
3276 +(((x)>>24)&0xFF) \
3277 +(((x)&0x0000FF00)<<8) \
3278 +(((x)&0x00FF0000)>>8) )
3279# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3280# define htovl(x) vtohl(x)
3281# define htovs(x) vtohs(x)
3282# endif
3283 /* otherwise default to functions in util.c */
2a8c3029 3284#ifndef htovs
c623ac67
GS
3285short htovs(short n);
3286short vtohs(short n);
3287long htovl(long n);
3288long vtohl(long n);
988174c1 3289#endif
2a8c3029 3290#endif
988174c1 3291
3bb7c1b4
JH
3292/* *MAX Plus 1. A floating point value.
3293 Hopefully expressed in a way that dodgy floating point can't mess up.
3294 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3295 is added to it
3296 May find that some broken compiler will want the value cast to I32.
3297 [after the shift, as signed >> may not be as secure as unsigned >>]
3298*/
3299#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3300#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3301/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3302 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3303 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3304*/
3305#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3306
3bb7c1b4
JH
3307#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3308#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3309#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3310
3311/* This may look like unnecessary jumping through hoops, but converting
3312 out of range floating point values to integers *is* undefined behaviour,
3313 and it is starting to bite.
3314*/
3315#ifndef CAST_INLINE
65202027 3316#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3317#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3318#define I_V(what) (cast_iv((NV)(what)))
3319#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3320#else
3321#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3322 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3323 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3324#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3325 : ((n) < U32_MAX_P1 ? (U32) (n) \
3326 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3327#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3328 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3329 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3330#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3331 : ((n) < UV_MAX_P1 ? (UV) (n) \
3332 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3333#endif
3334
3335#define U_S(what) ((U16)U_32(what))
3336#define U_I(what) ((unsigned int)U_32(what))
3337#define U_L(what) U_32(what)
ed6116ce 3338
2d4389e4
JH
3339/* These do not care about the fractional part, only about the range. */
3340#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3341#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3342
25da4f38
IZ
3343/* Used with UV/IV arguments: */
3344 /* XXXX: need to speed it up */
3345#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3346#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3347
352d5a3a
LW
3348#ifndef MAXSYSFD
3349# define MAXSYSFD 2
3350#endif
ee0007ab 3351
79072805 3352#ifndef __cplusplus
27da23d5 3353#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3354Uid_t getuid (void);
3355Uid_t geteuid (void);
3356Gid_t getgid (void);
3357Gid_t getegid (void);
79072805 3358#endif
e1caacb4 3359#endif
8d063cd8 3360
0c30d9ec 3361#ifndef Perl_debug_log
bf49b057
GS
3362# define Perl_debug_log PerlIO_stderr()
3363#endif
3364
3365#ifndef Perl_error_log
3366# define Perl_error_log (PL_stderrgv \
6b78add2 3367 && isGV(PL_stderrgv) \
01bb7c6d 3368 && GvIOp(PL_stderrgv) \
42de951c 3369 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3370 ? IoOFP(GvIOp(PL_stderrgv)) \
3371 : PerlIO_stderr())
0c30d9ec 3372#endif
3967c732 3373
aea4f609
DM
3374
3375#define DEBUG_p_FLAG 0x00000001 /* 1 */
3376#define DEBUG_s_FLAG 0x00000002 /* 2 */
3377#define DEBUG_l_FLAG 0x00000004 /* 4 */
3378#define DEBUG_t_FLAG 0x00000008 /* 8 */
3379#define DEBUG_o_FLAG 0x00000010 /* 16 */
3380#define DEBUG_c_FLAG 0x00000020 /* 32 */
3381#define DEBUG_P_FLAG 0x00000040 /* 64 */
3382#define DEBUG_m_FLAG 0x00000080 /* 128 */
3383#define DEBUG_f_FLAG 0x00000100 /* 256 */
3384#define DEBUG_r_FLAG 0x00000200 /* 512 */
3385#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3386#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3387 /* spare */
aea4f609
DM
3388#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3389#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3390#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3391#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3392#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3393#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3394#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3395#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3396#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3397#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3398#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3399#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3400
3401#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3402#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3403 that something was done? */
aea4f609 3404
bd16a5f0
IZ
3405# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3406# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3407# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3408# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3409# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3410# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3411# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3412# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3413# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3414# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3415# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3416# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3417# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3418# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3419# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3420# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3421# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3422# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3423# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3424# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3425# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3426# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3427# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3428# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3429
3967c732 3430#ifdef DEBUGGING
aea4f609 3431
bd16a5f0
IZ
3432# define DEBUG_p_TEST DEBUG_p_TEST_
3433# define DEBUG_s_TEST DEBUG_s_TEST_
3434# define DEBUG_l_TEST DEBUG_l_TEST_
3435# define DEBUG_t_TEST DEBUG_t_TEST_
3436# define DEBUG_o_TEST DEBUG_o_TEST_
3437# define DEBUG_c_TEST DEBUG_c_TEST_
3438# define DEBUG_P_TEST DEBUG_P_TEST_
3439# define DEBUG_m_TEST DEBUG_m_TEST_
3440# define DEBUG_f_TEST DEBUG_f_TEST_
3441# define DEBUG_r_TEST DEBUG_r_TEST_
3442# define DEBUG_x_TEST DEBUG_x_TEST_
3443# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3444# define DEBUG_H_TEST DEBUG_H_TEST_
3445# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3446# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3447# define DEBUG_D_TEST DEBUG_D_TEST_
3448# define DEBUG_S_TEST DEBUG_S_TEST_
3449# define DEBUG_T_TEST DEBUG_T_TEST_
3450# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3451# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3452# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3453# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3454# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3455# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3456
488b0c7a
JH
3457# define PERL_DEB(a) a
3458# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3459# define DEBUG_p(a) if (DEBUG_p_TEST) a
3460# define DEBUG_s(a) if (DEBUG_s_TEST) a
3461# define DEBUG_l(a) if (DEBUG_l_TEST) a
3462# define DEBUG_t(a) if (DEBUG_t_TEST) a
3463# define DEBUG_o(a) if (DEBUG_o_TEST) a
3464# define DEBUG_c(a) if (DEBUG_c_TEST) a
3465# define DEBUG_P(a) if (DEBUG_P_TEST) a
3466
969058bb
VK
3467 /* Temporarily turn off memory debugging in case the a
3468 * does memory allocation, either directly or indirectly. */
acfe0abc 3469# define DEBUG_m(a) \
0b250b9e 3470 STMT_START { \
aea4f609 3471 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3472 } STMT_END
aea4f609 3473
5f80b19c
AMS
3474# define DEBUG__(t, a) \
3475 STMT_START { \
3476 if (t) STMT_START {a;} STMT_END; \
3477 } STMT_END
3478
3479# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3480# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3481# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3482# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3483# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3484# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3485# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3486# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3487
3db8f154 3488# define DEBUG_S(a)
aea4f609 3489
5f80b19c
AMS
3490# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3491# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3492# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3493# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3494# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3495# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3496
3497#else /* DEBUGGING */
3498
3499# define DEBUG_p_TEST (0)
3500# define DEBUG_s_TEST (0)
3501# define DEBUG_l_TEST (0)
3502# define DEBUG_t_TEST (0)
3503# define DEBUG_o_TEST (0)
3504# define DEBUG_c_TEST (0)
3505# define DEBUG_P_TEST (0)
3506# define DEBUG_m_TEST (0)
3507# define DEBUG_f_TEST (0)
3508# define DEBUG_r_TEST (0)
3509# define DEBUG_x_TEST (0)
3510# define DEBUG_u_TEST (0)
aea4f609
DM
3511# define DEBUG_H_TEST (0)
3512# define DEBUG_X_TEST (0)
dd2155a4 3513# define DEBUG_Xv_TEST (0)
aea4f609
DM
3514# define DEBUG_D_TEST (0)
3515# define DEBUG_S_TEST (0)
3516# define DEBUG_T_TEST (0)
04932ac8 3517# define DEBUG_R_TEST (0)
1045810a 3518# define DEBUG_J_TEST (0)
d6721266 3519# define DEBUG_v_TEST (0)
46187eeb 3520# define DEBUG_C_TEST (0)
ecae49c0
NC
3521# define DEBUG_A_TEST (0)
3522# define DEBUG_q_TEST (0)
aea4f609 3523
488b0c7a
JH
3524# define PERL_DEB(a)
3525# define PERL_DEBUG(a)
aea4f609
DM
3526# define DEBUG_p(a)
3527# define DEBUG_s(a)
3528# define DEBUG_l(a)
3529# define DEBUG_t(a)
3530# define DEBUG_o(a)
3531# define DEBUG_c(a)
3532# define DEBUG_P(a)
3533# define DEBUG_m(a)
3534# define DEBUG_f(a)
3535# define DEBUG_r(a)
3536# define DEBUG_x(a)
3537# define DEBUG_u(a)
aea4f609
DM
3538# define DEBUG_H(a)
3539# define DEBUG_X(a)
dd2155a4 3540# define DEBUG_Xv(a)
aea4f609
DM
3541# define DEBUG_D(a)
3542# define DEBUG_S(a)
3543# define DEBUG_T(a)
04932ac8 3544# define DEBUG_R(a)
d6721266 3545# define DEBUG_v(a)
46187eeb 3546# define DEBUG_C(a)
ecae49c0
NC
3547# define DEBUG_A(a)
3548# define DEBUG_q(a)
aea4f609
DM
3549#endif /* DEBUGGING */
3550
3551
b4ab917c
DM
3552#define DEBUG_SCOPE(where) \
3553 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3554 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3555
3556
3557
3558
d1be9408 3559/* These constants should be used in preference to raw characters
14befaf4
DM
3560 * when using magic. Note that some perl guts still assume
3561 * certain character properties of these constants, namely that
3562 * isUPPER() and toLOWER() may do useful mappings.
3563 *
3564 * Update the magic_names table in dump.c when adding/amending these
3565 */
3566
3567#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3568#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3569#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3570#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3571#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3572#define PERL_MAGIC_regdata 'D' /* Regex match position data
3573 (@+ and @- vars) */
3574#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3575#define PERL_MAGIC_env 'E' /* %ENV hash */
3576#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3577#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3578#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3579#define PERL_MAGIC_hints 'H' /* %^H hash */
3580#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3581#define PERL_MAGIC_isa 'I' /* @ISA array */
3582#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3583#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3584#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3585#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3586#define PERL_MAGIC_mutex 'm' /* for lock op */
3587#define PERL_MAGIC_shared 'N' /* Shared between threads */
3588#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3589#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3590#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3591#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3592#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3593#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3594#define PERL_MAGIC_sig 'S' /* %SIG hash */
3595#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3596#define PERL_MAGIC_taint 't' /* Taintedness */
3597#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3598#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3599#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3600#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3601#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3602#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3603#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3604 smart parameter vivification */
14befaf4
DM
3605#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3606#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3607#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3608#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3609#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3610#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3611#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3612
3613
a6e633de 3614#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3615#define assert(what) PERL_DEB( \
3616 ((what) ? ((void) 0) : \
67eb4d30 3617 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3618 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3619 (void) 0)))
a446a88f 3620#endif
8d063cd8 3621
450a55e4 3622struct ufuncs {
24f81a43
DM
3623 I32 (*uf_val)(pTHX_ IV, SV*);
3624 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3625 IV uf_index;
450a55e4
LW
3626};
3627
14befaf4 3628/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3629 * XS code wanting to be backward compatible can do something
3630 * like the following:
c745e42c 3631
24f81a43 3632#ifndef PERL_MG_UFUNC
24f81a43
DM
3633#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3634#endif
3635
3636static PERL_MG_UFUNC(foo_get, index, val)
3637{
3638 sv_setsv(val, ...);
3639 return TRUE;
3640}
3641
3642-- Doug MacEachern
3643
3644*/
3645
fc9c74e6 3646#ifndef PERL_MG_UFUNC
24f81a43 3647#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3648#endif
24f81a43 3649
fe14fcc3 3650/* Fix these up for __STDC__ */
68dc0745 3651#ifndef DONT_DECLARE_STD
20ce7b12 3652char *mktemp (char*);
37bd1396 3653#ifndef atof
20ce7b12 3654double atof (const char*);
a0d0e21e 3655#endif
37bd1396 3656#endif
79072805 3657
352d5a3a 3658#ifndef STANDARD_C
fe14fcc3 3659/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3660Time_t time();
8d063cd8 3661struct tm *gmtime(), *localtime();
092bebab 3662#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3663char *(strchr)(), *(strrchr)();
3664char *(strcpy)(), *(strcat)();
3665#else
93a17b20 3666char *strchr(), *strrchr();
378cc40b 3667char *strcpy(), *strcat();
9d116dd7 3668#endif
352d5a3a 3669#endif /* ! STANDARD_C */
8d063cd8 3670
79072805
LW
3671
3672#ifdef I_MATH
3673# include <math.h>
3674#else
32f822de 3675START_EXTERN_C
20ce7b12
GS
3676 double exp (double);
3677 double log (double);
3678 double log10 (double);
3679 double sqrt (double);
3680 double frexp (double,int*);
3681 double ldexp (double,int);
3682 double modf (double,double*);
3683 double sin (double);
3684 double cos (double);
3685 double atan2 (double,double);
3686 double pow (double,double);
32f822de 3687END_EXTERN_C
79072805
LW
3688#endif
3689
aa8b85de
JH
3690#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3691# define NV_INF LDBL_INFINITY
3692#endif
3693#if !defined(NV_INF) && defined(DBL_INFINITY)
3694# define NV_INF (NV)DBL_INFINITY
3695#endif
3696#if !defined(NV_INF) && defined(INFINITY)
3697# define NV_INF (NV)INFINITY
3698#endif
3699#if !defined(NV_INF) && defined(INF)
3700# define NV_INF (NV)INF
3701#endif
3702#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3703# define NV_INF (NV)HUGE_VALL
3704#endif
3705#if !defined(NV_INF) && defined(HUGE_VAL)
3706# define NV_INF (NV)HUGE_VAL
3707#endif
3708
3709#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3710# if !defined(NV_NAN) && defined(LDBL_NAN)
3711# define NV_NAN LDBL_NAN
3712# endif
3713# if !defined(NV_NAN) && defined(LDBL_QNAN)
3714# define NV_NAN LDBL_QNAN
3715# endif
3716# if !defined(NV_NAN) && defined(LDBL_SNAN)
3717# define NV_NAN LDBL_SNAN
3718# endif
3719#endif
3720#if !defined(NV_NAN) && defined(DBL_NAN)
3721# define NV_NAN (NV)DBL_NAN
3722#endif
3723#if !defined(NV_NAN) && defined(DBL_QNAN)
3724# define NV_NAN (NV)DBL_QNAN
3725#endif
3726#if !defined(NV_NAN) && defined(DBL_SNAN)
3727# define NV_NAN (NV)DBL_SNAN
3728#endif
3729#if !defined(NV_NAN) && defined(QNAN)
3730# define NV_NAN (NV)QNAN
3731#endif
3732#if !defined(NV_NAN) && defined(SNAN)
3733# define NV_NAN (NV)SNAN
3734#endif
3735#if !defined(NV_NAN) && defined(NAN)
3736# define NV_NAN (NV)NAN
3737#endif
3738
a0d0e21e 3739#ifndef __cplusplus
8f1f23e8 3740# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3741char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3742# else
fd8cd3a3 3743# if !defined(WIN32) && !defined(VMS)
10bc17b6 3744#ifndef crypt
20ce7b12 3745char *crypt (const char*, const char*);
10bc17b6 3746#endif
5014db98 3747# endif /* !WIN32 */
8f1f23e8 3748# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3749# ifndef DONT_DECLARE_STD
3750# ifndef getenv
20ce7b12 3751char *getenv (const char*);
26618a56 3752# endif /* !getenv */
28ca6303 3753# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3754# ifdef _FILE_OFFSET_BITS
28ca6303 3755# if _FILE_OFFSET_BITS == 64
20ce7b12 3756Off_t lseek (int,Off_t,int);
0fc67700
JH
3757# endif
3758# endif
bf0c440f 3759# endif
26618a56 3760# endif /* !DONT_DECLARE_STD */
10bc17b6 3761#ifndef getlogin
20ce7b12 3762char *getlogin (void);
10bc17b6 3763#endif
26618a56 3764#endif /* !__cplusplus */
79072805 3765
7a7fd8e0
JM
3766/* Fixme on VMS. This needs to be a run-time, not build time options */
3767/* Also rename() is affected by this */
16d20bd9 3768#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3769#define UNLINK unlnk
083639a9 3770I32 unlnk (pTHX_ const char*);
8d063cd8 3771#else
80252599 3772#define UNLINK PerlLIO_unlink
8d063cd8 3773#endif
a687059c 3774
fa0a29af
JH
3775/* some versions of glibc are missing the setresuid() proto */
3776#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3777int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3778#endif
fa0a29af
JH
3779/* some versions of glibc are missing the setresgid() proto */
3780#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3781int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3782#endif
3783
fe14fcc3 3784#ifndef HAS_SETREUID
85e6fe83
LW
3785# ifdef HAS_SETRESUID
3786# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3787# define HAS_SETREUID
3788# endif
a687059c 3789#endif
fe14fcc3 3790#ifndef HAS_SETREGID
85e6fe83
LW
3791# ifdef HAS_SETRESGID
3792# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3793# define HAS_SETREGID
3794# endif
a687059c 3795#endif
ee0007ab 3796
d543acb6 3797/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3798
3799#ifdef HAS_SIGACTION
3800typedef struct sigaction Sigsave_t;
3801#else
3802typedef Sighandler_t Sigsave_t;
3803#endif
3804
ee0007ab
LW
3805#define SCAN_DEF 0
3806#define SCAN_TR 1
3807#define SCAN_REPL 2
79072805
LW
3808
3809#ifdef DEBUGGING
4633a7c4 3810# ifndef register
a0d0e21e
LW