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Re: $^CHILD_ERROR_NATIVE issues (with attachment)
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
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6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
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JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
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54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
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58# define MULTIPLICITY
59# endif
60#endif
61
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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109# define USE_REENTRANT_API
110#endif
111
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
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202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
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207#endif
208
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209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 212 */
53c1dcc0 213#ifndef PERL_UNUSED_ARG
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214# ifdef lint
215# include <note.h>
53c1dcc0 216# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 217# else
53c1dcc0 218# define PERL_UNUSED_ARG(x) ((void)x)
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219# endif
220#endif
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221#ifndef PERL_UNUSED_VAR
222# define PERL_UNUSED_VAR(x) ((void)x)
223#endif
ad73156c 224
0cb96387 225#define NOOP (void)0
44dbb695 226#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 227
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228#ifndef pTHX
229# define pTHX void
230# define pTHX_
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231# define aTHX
232# define aTHX_
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233# define dTHXa(a) dNOOP
234# define dTHX dNOOP
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235# define pTHX_1 1
236# define pTHX_2 2
237# define pTHX_3 3
238# define pTHX_4 4
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239# define pTHX_5 5
240# define pTHX_6 6
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241# define pTHX_7 7
242# define pTHX_8 8
243# define pTHX_9 9
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244#endif
245
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246#ifndef dVAR
247# define dVAR dNOOP
248#endif
249
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250/* these are only defined for compatibility; should not be used internally */
251#if !defined(pTHXo) && !defined(PERL_CORE)
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252# define pTHXo pTHX
253# define pTHXo_ pTHX_
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254# define aTHXo aTHX
255# define aTHXo_ aTHX_
c5be433b 256# define dTHXo dTHX
71d280e3 257# define dTHXoa(x) dTHXa(x)
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258#endif
259
260#ifndef pTHXx
261# define pTHXx register PerlInterpreter *my_perl
262# define pTHXx_ pTHXx,
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263# define aTHXx my_perl
264# define aTHXx_ aTHXx,
c5be433b 265# define dTHXx dTHX
22c35a8c 266#endif
71be2cbc 267
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268/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
269 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
270 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
271#ifdef PERL_IMPLICIT_SYS
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272# ifdef PERL_GLOBAL_STRUCT_PRIVATE
273# define dTHXs dVAR; dTHX
274# else
275# define dTHXs dTHX
276# endif
1de7c2ac 277#else
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278# ifdef PERL_GLOBAL_STRUCT_PRIVATE
279# define dTHXs dVAR
280# else
281# define dTHXs dNOOP
282# endif
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283#endif
284
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285#undef START_EXTERN_C
286#undef END_EXTERN_C
287#undef EXTERN_C
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288#ifdef __cplusplus
289# define START_EXTERN_C extern "C" {
290# define END_EXTERN_C }
291# define EXTERN_C extern "C"
292#else
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293# define START_EXTERN_C
294# define END_EXTERN_C
73c4f7a1 295# define EXTERN_C extern
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296#endif
297
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298/* Some platforms require marking function declarations
299 * for them to be exportable. Used in perlio.h, proto.h
300 * is handled either by the makedef.pl or by defining the
301 * PERL_CALLCONV to be something special. See also the
302 * definition of XS() in XSUB.h. */
303#ifndef PERL_EXPORT_C
304# define PERL_EXPORT_C extern
305#endif
306#ifndef PERL_XS_EXPORT_C
307# define PERL_XS_EXPORT_C
308#endif
309
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310#ifdef OP_IN_REGISTER
311# ifdef __GNUC__
312# define stringify_immed(s) #s
313# define stringify(s) stringify_immed(s)
d1ca3daa 314register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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315# endif
316#endif
317
5dc8bdac 318#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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319# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
320# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
321# endif
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322#endif
323
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324/*
325 * STMT_START { statements; } STMT_END;
326 * can be used as a single statement, as in
327 * if (x) STMT_START { ... } STMT_END; else ...
328 *
329 * Trying to select a version that gives no warnings...
330 */
331#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 332# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 333# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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334# define STMT_END )
335# else
336 /* Now which other defined()s do we need here ??? */
93189314 337# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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338# define STMT_START if (1)
339# define STMT_END else (void)0
340# else
341# define STMT_START do
342# define STMT_END while (0)
343# endif
344# endif
345#endif
346
0cb96387 347#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 348#define WITH_THR(s) WITH_THX(s)
ea0efc06 349
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PP
350/*
351 * SOFT_CAST can be used for args to prototyped functions to retain some
352 * type checking; it only casts if the compiler does not know prototypes.
353 */
354#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
355#define SOFT_CAST(type)
356#else
357#define SOFT_CAST(type) (type)
358#endif
79072805 359
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JH
360#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
361# define BYTEORDER 0x1234
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362#endif
363
364/* Overall memory policy? */
365#ifndef CONSERVATIVE
366# define LIBERAL 1
367#endif
368
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369#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
370#define ASCIIish
371#else
372#undef ASCIIish
373#endif
374
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375/*
376 * The following contortions are brought to you on behalf of all the
377 * standards, semi-standards, de facto standards, not-so-de-facto standards
378 * of the world, as well as all the other botches anyone ever thought of.
379 * The basic theory is that if we work hard enough here, the rest of the
380 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
381 */
ac58e20f 382
ee0007ab 383/* define this once if either system, instead of cluttering up the src */
2986a63f 384#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
385#define DOSISH 1
386#endif
387
27da23d5 388#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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389# define STANDARD_C 1
390#endif
391
a03dbf46 392#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
393# define DONT_DECLARE_STD 1
394#endif
395
352d5a3a 396#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 397# ifdef __cplusplus
cb69f87a 398# define VOL /* to temporarily suppress warnings */
79072805
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399# else
400# define VOL volatile
401# endif
663a0e37 402#else
79072805 403# define VOL
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404#endif
405
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406#define TAINT (PL_tainted = TRUE)
407#define TAINT_NOT (PL_tainted = FALSE)
408#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
409#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 410#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 411
d460ef45 412/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
413 defines move there? If so, I could simplify this a lot. --AD 9/96.
414*/
415/* Process group stuff changed from traditional BSD to POSIX.
416 perlfunc.pod documents the traditional BSD-style syntax, so we'll
417 try to preserve that, if possible.
418*/
419#ifdef HAS_SETPGID
420# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 421#else
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PP
422# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
423# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
424# else
425# ifdef HAS_SETPGRP2 /* DG/UX */
426# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
427# endif
428# endif
429#endif
430#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
431# define HAS_SETPGRP /* Well, effectively it does . . . */
432#endif
433
434/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
435 our life easier :-) so we'll try it.
436*/
437#ifdef HAS_GETPGID
438# define BSD_GETPGRP(pid) getpgid((pid))
439#else
440# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
441# define BSD_GETPGRP(pid) getpgrp((pid))
442# else
443# ifdef HAS_GETPGRP2 /* DG/UX */
444# define BSD_GETPGRP(pid) getpgrp2((pid))
445# endif
446# endif
447#endif
448#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
449# define HAS_GETPGRP /* Well, effectively it does . . . */
450#endif
451
d460ef45 452/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
453 have different behaviors, but perl.h used to define USE_BSDPGRP
454 (prior to 5.003_05) so some extension might depend on it.
455*/
456#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
457# ifndef USE_BSDPGRP
458# define USE_BSDPGRP
459# endif
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460#endif
461
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462/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
463 pthread.h must be included before all other header files.
464*/
3db8f154 465#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
466# include <pthread.h>
467#endif
468
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469#ifndef _TYPES_ /* If types.h defines this it's easy. */
470# ifndef major /* Does everyone's types.h define this? */
471# include <sys/types.h>
c07a80fd 472# endif
663a0e37
LW
473#endif
474
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475#ifdef __cplusplus
476# ifndef I_STDARG
477# define I_STDARG 1
478# endif
479#endif
480
481#ifdef I_STDARG
482# include <stdarg.h>
483#else
484# ifdef I_VARARGS
485# include <varargs.h>
486# endif
487#endif
488
4633a7c4 489#ifdef USE_NEXT_CTYPE
0c30d9ec 490
092bebab
JH
491#if NX_CURRENT_COMPILER_RELEASE >= 500
492# include <bsd/ctypes.h>
493#else
494# if NX_CURRENT_COMPILER_RELEASE >= 400
495# include <objc/NXCType.h>
496# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
497# include <appkit/NXCType.h>
498# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
499#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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500
501#else /* !USE_NEXT_CTYPE */
fe14fcc3 502#include <ctype.h>
0c30d9ec 503#endif /* USE_NEXT_CTYPE */
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504
505#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
506#undef METHOD
a0d0e21e
LW
507#endif
508
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JH
509#ifdef PERL_MICRO
510# define NO_LOCALE
511#endif
512
4633a7c4 513#ifdef I_LOCALE
36477c24 514# include <locale.h>
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LW
515#endif
516
36477c24
PP
517#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
518# define USE_LOCALE
519# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
520 && defined(HAS_STRXFRM)
521# define USE_LOCALE_COLLATE
522# endif
523# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
524# define USE_LOCALE_CTYPE
525# endif
526# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
527# define USE_LOCALE_NUMERIC
528# endif
529#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 530
fe14fcc3 531#include <setjmp.h>
79072805 532
a0d0e21e 533#ifdef I_SYS_PARAM
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534# ifdef PARAM_NEEDS_TYPES
535# include <sys/types.h>
536# endif
537# include <sys/param.h>
352d5a3a 538#endif
79072805 539
79072805 540/* Use all the "standard" definitions? */
a0d0e21e 541#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 542# include <stdlib.h>
ff68c719 543#endif
03a14243 544
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JH
545/* If this causes problems, set i_unistd=undef in the hint file. */
546#ifdef I_UNISTD
547# include <unistd.h>
548#endif
549
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JH
550#ifdef SYMBIAN
551# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
552#endif
553
7114a2d2 554#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
555int syscall(int, ...);
556#endif
557
7114a2d2 558#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 559int usleep(unsigned int);
2ef53570
JH
560#endif
561
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562#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
563# define MYSWAP
564#endif
565
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MHM
566#ifdef PERL_CORE
567
568/* macros for correct constant construction */
569# if INTSIZE >= 2
570# define U16_CONST(x) ((U16)x##U)
571# else
572# define U16_CONST(x) ((U16)x##UL)
573# endif
574
575# if INTSIZE >= 4
576# define U32_CONST(x) ((U32)x##U)
577# else
578# define U32_CONST(x) ((U32)x##UL)
579# endif
580
581# ifdef HAS_QUAD
582# if INTSIZE >= 8
583# define U64_CONST(x) ((U64)x##U)
584# elif LONGSIZE >= 8
585# define U64_CONST(x) ((U64)x##UL)
586# elif QUADKIND == QUAD_IS_LONG_LONG
587# define U64_CONST(x) ((U64)x##ULL)
588# else /* best guess we can make */
589# define U64_CONST(x) ((U64)x##UL)
590# endif
591# endif
592
593/* byte-swapping functions for big-/little-endian conversion */
594# define _swab_16_(x) ((U16)( \
595 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
596 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
597
598# define _swab_32_(x) ((U32)( \
599 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
600 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
601 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
602 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
603
604# ifdef HAS_QUAD
605# define _swab_64_(x) ((U64)( \
606 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
607 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
608 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
609 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
610 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
611 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
612 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
613 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
614# endif
615
616/*----------------------------------------------------------------------------*/
617# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
618/*----------------------------------------------------------------------------*/
619# define my_htole16(x) (x)
620# define my_letoh16(x) (x)
621# define my_htole32(x) (x)
622# define my_letoh32(x) (x)
623# define my_htobe16(x) _swab_16_(x)
624# define my_betoh16(x) _swab_16_(x)
625# define my_htobe32(x) _swab_32_(x)
626# define my_betoh32(x) _swab_32_(x)
627# ifdef HAS_QUAD
628# define my_htole64(x) (x)
629# define my_letoh64(x) (x)
630# define my_htobe64(x) _swab_64_(x)
631# define my_betoh64(x) _swab_64_(x)
632# endif
633# define my_htoles(x) (x)
634# define my_letohs(x) (x)
635# define my_htolei(x) (x)
636# define my_letohi(x) (x)
637# define my_htolel(x) (x)
638# define my_letohl(x) (x)
639# if SHORTSIZE == 1
640# define my_htobes(x) (x)
641# define my_betohs(x) (x)
642# elif SHORTSIZE == 2
643# define my_htobes(x) _swab_16_(x)
644# define my_betohs(x) _swab_16_(x)
645# elif SHORTSIZE == 4
646# define my_htobes(x) _swab_32_(x)
647# define my_betohs(x) _swab_32_(x)
648# elif SHORTSIZE == 8
649# define my_htobes(x) _swab_64_(x)
650# define my_betohs(x) _swab_64_(x)
651# else
652# define PERL_NEED_MY_HTOBES
653# define PERL_NEED_MY_BETOHS
654# endif
655# if INTSIZE == 1
656# define my_htobei(x) (x)
657# define my_betohi(x) (x)
658# elif INTSIZE == 2
659# define my_htobei(x) _swab_16_(x)
660# define my_betohi(x) _swab_16_(x)
661# elif INTSIZE == 4
662# define my_htobei(x) _swab_32_(x)
663# define my_betohi(x) _swab_32_(x)
664# elif INTSIZE == 8
665# define my_htobei(x) _swab_64_(x)
666# define my_betohi(x) _swab_64_(x)
667# else
668# define PERL_NEED_MY_HTOBEI
669# define PERL_NEED_MY_BETOHI
670# endif
671# if LONGSIZE == 1
672# define my_htobel(x) (x)
673# define my_betohl(x) (x)
674# elif LONGSIZE == 2
675# define my_htobel(x) _swab_16_(x)
676# define my_betohl(x) _swab_16_(x)
677# elif LONGSIZE == 4
678# define my_htobel(x) _swab_32_(x)
679# define my_betohl(x) _swab_32_(x)
680# elif LONGSIZE == 8
681# define my_htobel(x) _swab_64_(x)
682# define my_betohl(x) _swab_64_(x)
683# else
684# define PERL_NEED_MY_HTOBEL
685# define PERL_NEED_MY_BETOHL
686# endif
687# define my_htolen(p,n) NOOP
688# define my_letohn(p,n) NOOP
689# define my_htoben(p,n) my_swabn(p,n)
690# define my_betohn(p,n) my_swabn(p,n)
691/*----------------------------------------------------------------------------*/
692# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
693/*----------------------------------------------------------------------------*/
694# define my_htobe16(x) (x)
695# define my_betoh16(x) (x)
696# define my_htobe32(x) (x)
697# define my_betoh32(x) (x)
698# define my_htole16(x) _swab_16_(x)
699# define my_letoh16(x) _swab_16_(x)
700# define my_htole32(x) _swab_32_(x)
701# define my_letoh32(x) _swab_32_(x)
702# ifdef HAS_QUAD
703# define my_htobe64(x) (x)
704# define my_betoh64(x) (x)
705# define my_htole64(x) _swab_64_(x)
706# define my_letoh64(x) _swab_64_(x)
707# endif
708# define my_htobes(x) (x)
709# define my_betohs(x) (x)
710# define my_htobei(x) (x)
711# define my_betohi(x) (x)
712# define my_htobel(x) (x)
713# define my_betohl(x) (x)
714# if SHORTSIZE == 1
715# define my_htoles(x) (x)
716# define my_letohs(x) (x)
717# elif SHORTSIZE == 2
718# define my_htoles(x) _swab_16_(x)
719# define my_letohs(x) _swab_16_(x)
720# elif SHORTSIZE == 4
721# define my_htoles(x) _swab_32_(x)
722# define my_letohs(x) _swab_32_(x)
723# elif SHORTSIZE == 8
724# define my_htoles(x) _swab_64_(x)
725# define my_letohs(x) _swab_64_(x)
726# else
727# define PERL_NEED_MY_HTOLES
728# define PERL_NEED_MY_LETOHS
729# endif
730# if INTSIZE == 1
731# define my_htolei(x) (x)
732# define my_letohi(x) (x)
733# elif INTSIZE == 2
734# define my_htolei(x) _swab_16_(x)
735# define my_letohi(x) _swab_16_(x)
736# elif INTSIZE == 4
737# define my_htolei(x) _swab_32_(x)
738# define my_letohi(x) _swab_32_(x)
739# elif INTSIZE == 8
740# define my_htolei(x) _swab_64_(x)
741# define my_letohi(x) _swab_64_(x)
742# else
743# define PERL_NEED_MY_HTOLEI
744# define PERL_NEED_MY_LETOHI
745# endif
746# if LONGSIZE == 1
747# define my_htolel(x) (x)
748# define my_letohl(x) (x)
749# elif LONGSIZE == 2
750# define my_htolel(x) _swab_16_(x)
751# define my_letohl(x) _swab_16_(x)
752# elif LONGSIZE == 4
753# define my_htolel(x) _swab_32_(x)
754# define my_letohl(x) _swab_32_(x)
755# elif LONGSIZE == 8
756# define my_htolel(x) _swab_64_(x)
757# define my_letohl(x) _swab_64_(x)
758# else
759# define PERL_NEED_MY_HTOLEL
760# define PERL_NEED_MY_LETOHL
761# endif
762# define my_htolen(p,n) my_swabn(p,n)
763# define my_letohn(p,n) my_swabn(p,n)
764# define my_htoben(p,n) NOOP
765# define my_betohn(p,n) NOOP
766/*----------------------------------------------------------------------------*/
767# else /* all other byte-orders */
768/*----------------------------------------------------------------------------*/
769# define PERL_NEED_MY_HTOLE16
770# define PERL_NEED_MY_LETOH16
771# define PERL_NEED_MY_HTOBE16
772# define PERL_NEED_MY_BETOH16
773# define PERL_NEED_MY_HTOLE32
774# define PERL_NEED_MY_LETOH32
775# define PERL_NEED_MY_HTOBE32
776# define PERL_NEED_MY_BETOH32
777# ifdef HAS_QUAD
778# define PERL_NEED_MY_HTOLE64
779# define PERL_NEED_MY_LETOH64
780# define PERL_NEED_MY_HTOBE64
781# define PERL_NEED_MY_BETOH64
782# endif
783# define PERL_NEED_MY_HTOLES
784# define PERL_NEED_MY_LETOHS
785# define PERL_NEED_MY_HTOBES
786# define PERL_NEED_MY_BETOHS
787# define PERL_NEED_MY_HTOLEI
788# define PERL_NEED_MY_LETOHI
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# define PERL_NEED_MY_HTOLEL
792# define PERL_NEED_MY_LETOHL
793# define PERL_NEED_MY_HTOBEL
794# define PERL_NEED_MY_BETOHL
795/*----------------------------------------------------------------------------*/
796# endif /* end of byte-order macros */
797/*----------------------------------------------------------------------------*/
798
9c17f24a
NC
799/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
800 at least on FreeBSD. YMMV, so experiment. */
801#ifndef PERL_ARENA_SIZE
802#define PERL_ARENA_SIZE 4080
803#endif
804
1109a392
MHM
805#endif /* PERL_CORE */
806
bdf3085f
NC
807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
810#define PERL_DONT_CREATE_GVSV
811#endif
812
66a93824
NIS
813/* Cannot include embed.h here on Win32 as win32.h has not
814 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
815 */
96e176bf 816#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
817# include "embed.h"
818#endif
819
c31fac66
GS
820#define MEM_SIZE Size_t
821
1936d2a7
NC
822/* Round all values passed to malloc up, by default to a multiple of
823 sizeof(size_t)
824*/
825#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
826#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
827#endif
828
51371543
GS
829#if defined(STANDARD_C) && defined(I_STDDEF)
830# include <stddef.h>
831# define STRUCT_OFFSET(s,m) offsetof(s,m)
832#else
833# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
834#endif
835
27da23d5
JH
836#ifndef SYMBIAN
837# if defined(I_STRING) || defined(__cplusplus)
838# include <string.h>
839# else
840# include <strings.h>
841# endif
51371543
GS
842#endif
843
55497cff
PP
844/* This comes after <stdlib.h> so we don't try to change the standard
845 * library prototypes; we'll use our own in proto.h instead. */
03a14243 846
4633a7c4 847#ifdef MYMALLOC
86058a2d 848# ifdef PERL_POLLUTE_MALLOC
ee13e175 849# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
850# define Perl_malloc malloc
851# define Perl_calloc calloc
852# define Perl_realloc realloc
853# define Perl_mfree free
ee13e175 854# endif
86058a2d
GS
855# else
856# define EMBEDMYMALLOC /* for compatibility */
857# endif
827e134a 858
651b9576
GS
859# define safemalloc Perl_malloc
860# define safecalloc Perl_calloc
861# define saferealloc Perl_realloc
862# define safefree Perl_mfree
22f7c9c9
JH
863# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
864 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
865 code; \
866 } STMT_END
867# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
868 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
869# define panic_write2(s) write(2, s, strlen(s))
870# define CHECK_MALLOC_TAINT(newval) \
871 CHECK_MALLOC_TOO_LATE_FOR_( \
872 if (newval) { \
873 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
874 exit(1); })
22f7c9c9 875# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 876 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
877 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
878 }} STMT_END;
f2517201
GS
879#else /* MYMALLOC */
880# define safemalloc safesysmalloc
881# define safecalloc safesyscalloc
882# define saferealloc safesysrealloc
883# define safefree safesysfree
22f7c9c9
JH
884# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
885# define CHECK_MALLOC_TAINT(newval) ((void)0)
886# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 887#endif /* MYMALLOC */
4633a7c4 888
27da23d5 889#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
890#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
891#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
892#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
893
a0d0e21e
LW
894#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
895#define strchr index
896#define strrchr rindex
897#endif
898
16d20bd9
AD
899#ifdef I_MEMORY
900# include <memory.h>
901#endif
902
fe14fcc3 903#ifdef HAS_MEMCPY
85e6fe83 904# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 905# ifndef memcpy
20ce7b12 906 extern char * memcpy (char*, char*, int);
ee0007ab
LW
907# endif
908# endif
909#else
910# ifndef memcpy
911# ifdef HAS_BCOPY
912# define memcpy(d,s,l) bcopy(s,d,l)
913# else
914# define memcpy(d,s,l) my_bcopy(s,d,l)
915# endif
916# endif
917#endif /* HAS_MEMCPY */
fe14fcc3 918
ee0007ab 919#ifdef HAS_MEMSET
85e6fe83 920# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 921# ifndef memset
20ce7b12 922 extern char *memset (char*, int, int);
ee0007ab
LW
923# endif
924# endif
ee0007ab 925#else
12ae5dfc 926# undef memset
fc36a67e 927# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
928#endif /* HAS_MEMSET */
929
85e6fe83 930#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 931# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
932# define memmove(d,s,l) bcopy(s,d,l)
933# else
2304df62 934# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 935# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 936# else
79072805 937# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 938# endif
352d5a3a 939# endif
d9d8d8de 940#endif
ee0007ab 941
36477c24
PP
942#if defined(mips) && defined(ultrix) && !defined(__STDC__)
943# undef HAS_MEMCMP
944#endif
945
946#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 947# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 948# ifndef memcmp
20ce7b12 949 extern int memcmp (char*, char*, int);
ee0007ab
LW
950# endif
951# endif
36477c24 952# ifdef BUGGY_MSC
7e4e8c89 953# pragma function(memcmp)
36477c24 954# endif
ee0007ab
LW
955#else
956# ifndef memcmp
ecfc5424 957# define memcmp my_memcmp
352d5a3a 958# endif
36477c24 959#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 960
fc36a67e 961#ifndef memzero
c635e13b
PP
962# ifdef HAS_MEMSET
963# define memzero(d,l) memset(d,0,l)
79072805 964# else
c635e13b
PP
965# ifdef HAS_BZERO
966# define memzero(d,l) bzero(d,l)
79072805 967# else
fc36a67e 968# define memzero(d,l) my_bzero(d,l)
79072805
LW
969# endif
970# endif
d9d8d8de 971#endif
378cc40b 972
2f42fcb0 973#ifndef PERL_MICRO
0f27ced1
JH
974#ifndef memchr
975# ifndef HAS_MEMCHR
976# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
977# endif
978#endif
2f42fcb0 979#endif
0f27ced1 980
36477c24
PP
981#ifndef HAS_BCMP
982# ifndef bcmp
983# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 984# endif
36477c24 985#endif /* !HAS_BCMP */
378cc40b 986
ae986130 987#ifdef I_NETINET_IN
79072805 988# include <netinet/in.h>
ae986130
LW
989#endif
990
28e8609d
JH
991#ifdef I_ARPA_INET
992# include <arpa/inet.h>
993#endif
994
84902520
TB
995#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
996/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
997 * (the neo-BSD seem to do this). */
998# undef SF_APPEND
999#endif
1000
1aef975c 1001#ifdef I_SYS_STAT
84902520 1002# include <sys/stat.h>
1aef975c 1003#endif
79072805 1004
a0d0e21e
LW
1005/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1006 like UTekV) are broken, sometimes giving false positives. Undefine
1007 them here and let the code below set them to proper values.
1008
1009 The ghs macro stands for GreenHills Software C-1.8.5 which
1010 is the C compiler for sysV88 and the various derivatives.
1011 This header file bug is corrected in gcc-2.5.8 and later versions.
1012 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1013
1014#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1015# undef S_ISDIR
1016# undef S_ISCHR
1017# undef S_ISBLK
1018# undef S_ISREG
1019# undef S_ISFIFO
1020# undef S_ISLNK
ee0007ab 1021#endif
135863df 1022
663a0e37
LW
1023#ifdef I_TIME
1024# include <time.h>
ffed7fef 1025#endif
663a0e37 1026
fe14fcc3 1027#ifdef I_SYS_TIME
85e6fe83 1028# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1029# define KERNEL
1030# endif
1031# include <sys/time.h>
85e6fe83 1032# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1033# undef KERNEL
1034# endif
a687059c 1035#endif
135863df 1036
55497cff 1037#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1038# include <sys/times.h>
d9d8d8de 1039#endif
8d063cd8 1040
fe14fcc3 1041#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1042# undef HAS_STRERROR
663a0e37
LW
1043#endif
1044
1045#include <errno.h>
1e743fda 1046
acfe0abc 1047#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1048# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1049#endif
1050
8cfab5ff
JH
1051/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1052 * This is important for using IPv6.
1053 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1054 * a bad idea since it breaks send() and recv(). */
1055#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1056# define _SOCKADDR_LEN
1057#endif
1058
8d3f517a 1059#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1060# include <sys/socket.h>
1061# if defined(USE_SOCKS) && defined(I_SOCKS)
1062# if !defined(INCLUDE_PROTOTYPES)
1063# define INCLUDE_PROTOTYPES /* for <socks.h> */
1064# define PERL_SOCKS_NEED_PROTOTYPES
1065# endif
1066# include <socks.h>
1067# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1068# undef INCLUDE_PROTOTYPES
1069# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1070# endif
d460ef45 1071# endif
1e743fda 1072# ifdef I_NETDB
2986a63f
JH
1073# ifdef NETWARE
1074# include<stdio.h>
1075# endif
1e743fda
JH
1076# include <netdb.h>
1077# endif
1078# ifndef ENOTSOCK
1079# ifdef I_NET_ERRNO
1080# include <net/errno.h>
1081# endif
1082# endif
1083#endif
1084
fa0a29af 1085/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1086 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1087 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1088#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1089# if defined(__THROW) && defined(__GLIBC__)
1090int sockatmark(int) __THROW;
1091# else
2ef53570 1092int sockatmark(int);
29820b6d 1093# endif
2ef53570
JH
1094#endif
1095
1e743fda
JH
1096#ifdef SETERRNO
1097# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1098#endif
f86702cc
PP
1099
1100#ifdef VMS
1101# define SETERRNO(errcode,vmserrcode) \
1102 STMT_START { \
1103 set_errno(errcode); \
1104 set_vaxc_errno(vmserrcode); \
1105 } STMT_END
93189314
JH
1106# define LIB_INVARG LIB$_INVARG
1107# define RMS_DIR RMS$_DIR
1108# define RMS_FAC RMS$_FAC
1109# define RMS_FEX RMS$_FEX
1110# define RMS_FNF RMS$_FNF
1111# define RMS_IFI RMS$_IFI
1112# define RMS_ISI RMS$_ISI
1113# define RMS_PRV RMS$_PRV
1114# define SS_ACCVIO SS$_ACCVIO
1115# define SS_DEVOFFLINE SS$_DEVOFFLINE
1116# define SS_IVCHAN SS$_IVCHAN
1117# define SS_NORMAL SS$_NORMAL
748a9306 1118#else
aba27d88 1119# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1120# define LIB_INVARG 0
1121# define RMS_DIR 0
1122# define RMS_FAC 0
1123# define RMS_FEX 0
1124# define RMS_FNF 0
1125# define RMS_IFI 0
1126# define RMS_ISI 0
1127# define RMS_PRV 0
1128# define SS_ACCVIO 0
1129# define SS_DEVOFFLINE 0
1130# define SS_IVCHAN 0
1131# define SS_NORMAL 0
748a9306 1132#endif
ed6116ce 1133
3db8f154 1134#define ERRSV GvSV(PL_errgv)
e203899d
NC
1135/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1136#define DEFSV GvSVn(PL_defgv)
3db8f154 1137#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1138
98eae8f5
GS
1139#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1140
55497cff 1141#ifndef errno
5ff3f7a4
GS
1142 extern int errno; /* ANSI allows errno to be an lvalue expr.
1143 * For example in multithreaded environments
1144 * something like this might happen:
1145 * extern int *_errno(void);
1146 * #define errno (*_errno()) */
d9d8d8de 1147#endif
663a0e37 1148
2304df62 1149#ifdef HAS_STRERROR
a0d0e21e 1150# ifdef VMS
20ce7b12 1151 char *strerror (int,...);
a0d0e21e 1152# else
68dc0745 1153#ifndef DONT_DECLARE_STD
20ce7b12 1154 char *strerror (int);
68dc0745 1155#endif
a0d0e21e 1156# endif
2304df62
AD
1157# ifndef Strerror
1158# define Strerror strerror
1159# endif
1160#else
1161# ifdef HAS_SYS_ERRLIST
79072805
LW
1162 extern int sys_nerr;
1163 extern char *sys_errlist[];
2304df62
AD
1164# ifndef Strerror
1165# define Strerror(e) \
79072805 1166 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1167# endif
79072805 1168# endif
35c8bce7 1169#endif
663a0e37 1170
2304df62 1171#ifdef I_SYS_IOCTL
79072805
LW
1172# ifndef _IOCTL_
1173# include <sys/ioctl.h>
1174# endif
a687059c
LW
1175#endif
1176
ee0007ab 1177#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1178# ifdef HAS_SOCKETPAIR
1179# undef HAS_SOCKETPAIR
1180# endif
2304df62
AD
1181# ifdef I_NDBM
1182# undef I_NDBM
79072805 1183# endif
a687059c
LW
1184#endif
1185
02fc2eee
NC
1186#ifndef HAS_SOCKETPAIR
1187# ifdef HAS_SOCKET
1188# define socketpair Perl_my_socketpair
1189# endif
1190#endif
1191
a687059c 1192#if INTSIZE == 2
79072805
LW
1193# define htoni htons
1194# define ntohi ntohs
a687059c 1195#else
79072805
LW
1196# define htoni htonl
1197# define ntohi ntohl
a687059c
LW
1198#endif
1199
a0d0e21e 1200/* Configure already sets Direntry_t */
35c8bce7 1201#if defined(I_DIRENT)
663a0e37 1202# include <dirent.h>
8f1f23e8
W
1203 /* NeXT needs dirent + sys/dir.h */
1204# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1205# include <sys/dir.h>
1206# endif
ae986130 1207#else
fe14fcc3 1208# ifdef I_SYS_NDIR
79a0689e 1209# include <sys/ndir.h>
663a0e37 1210# else
fe14fcc3 1211# ifdef I_SYS_DIR
79a0689e
LW
1212# ifdef hp9000s500
1213# include <ndir.h> /* may be wrong in the future */
1214# else
1215# include <sys/dir.h>
1216# endif
663a0e37
LW
1217# endif
1218# endif
4633a7c4 1219#endif
a687059c 1220
12ae5dfc
JH
1221#ifdef PERL_MICRO
1222# ifndef DIR
1223# define DIR void
1224# endif
1225#endif
1226
352d5a3a
LW
1227#ifdef FPUTS_BOTCH
1228/* work around botch in SunOS 4.0.1 and 4.0.2 */
1229# ifndef fputs
79072805 1230# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1231# endif
1232#endif
1233
c623bd54
LW
1234/*
1235 * The following gobbledygook brought to you on behalf of __STDC__.
1236 * (I could just use #ifndef __STDC__, but this is more bulletproof
1237 * in the face of half-implementations.)
1238 */
1239
7114a2d2 1240#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1241#include <sys/mode.h>
1242#endif
1243
c623bd54
LW
1244#ifndef S_IFMT
1245# ifdef _S_IFMT
1246# define S_IFMT _S_IFMT
1247# else
1248# define S_IFMT 0170000
1249# endif
1250#endif
1251
1252#ifndef S_ISDIR
1253# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1254#endif
1255
1256#ifndef S_ISCHR
1257# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1258#endif
1259
1260#ifndef S_ISBLK
fe14fcc3
LW
1261# ifdef S_IFBLK
1262# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1263# else
1264# define S_ISBLK(m) (0)
1265# endif
c623bd54
LW
1266#endif
1267
1268#ifndef S_ISREG
1269# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1270#endif
1271
1272#ifndef S_ISFIFO
fe14fcc3
LW
1273# ifdef S_IFIFO
1274# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1275# else
1276# define S_ISFIFO(m) (0)
1277# endif
c623bd54
LW
1278#endif
1279
1280#ifndef S_ISLNK
1281# ifdef _S_ISLNK
1282# define S_ISLNK(m) _S_ISLNK(m)
1283# else
1284# ifdef _S_IFLNK
1285# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1286# else
1287# ifdef S_IFLNK
1288# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1289# else
1290# define S_ISLNK(m) (0)
1291# endif
1292# endif
1293# endif
1294#endif
1295
1296#ifndef S_ISSOCK
1297# ifdef _S_ISSOCK
1298# define S_ISSOCK(m) _S_ISSOCK(m)
1299# else
1300# ifdef _S_IFSOCK
1301# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1302# else
1303# ifdef S_IFSOCK
1304# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1305# else
1306# define S_ISSOCK(m) (0)
1307# endif
1308# endif
1309# endif
1310#endif
1311
1312#ifndef S_IRUSR
1313# ifdef S_IREAD
1314# define S_IRUSR S_IREAD
1315# define S_IWUSR S_IWRITE
1316# define S_IXUSR S_IEXEC
1317# else
1318# define S_IRUSR 0400
1319# define S_IWUSR 0200
1320# define S_IXUSR 0100
1321# endif
fac7cdfc 1322#endif
1323
1324#ifndef S_IRGRP
1325# ifdef S_IRUSR
1326# define S_IRGRP (S_IRUSR>>3)
1327# define S_IWGRP (S_IWUSR>>3)
1328# define S_IXGRP (S_IXUSR>>3)
1329# else
1330# define S_IRGRP 0040
1331# define S_IWGRP 0020
1332# define S_IXGRP 0010
1333# endif
1334#endif
1335
1336#ifndef S_IROTH
1337# ifdef S_IRUSR
1338# define S_IROTH (S_IRUSR>>6)
1339# define S_IWOTH (S_IWUSR>>6)
1340# define S_IXOTH (S_IXUSR>>6)
1341# else
1342# define S_IROTH 0040
1343# define S_IWOTH 0020
1344# define S_IXOTH 0010
1345# endif
c623bd54
LW
1346#endif
1347
1348#ifndef S_ISUID
1349# define S_ISUID 04000
1350#endif
1351
1352#ifndef S_ISGID
1353# define S_ISGID 02000
1354#endif
1355
ca6e1c26
JH
1356#ifndef S_IRWXU
1357# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1358#endif
ca6e1c26
JH
1359
1360#ifndef S_IRWXG
1361# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1362#endif
ca6e1c26
JH
1363
1364#ifndef S_IRWXO
1365# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1366#endif
ca6e1c26 1367
c21fb2b8
JH
1368/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1369 * which would get included through <sys/file.h >, but that is 3000
1370 * lines in the future. --jhi */
1371
1372#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1373# define S_IREAD S_IRUSR
1374#endif
1375
c21fb2b8 1376#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1377# define S_IWRITE S_IWUSR
1378#endif
1379
1380#ifndef S_IEXEC
1381# define S_IEXEC S_IXUSR
1382#endif
1383
79072805
LW
1384#ifdef ff_next
1385# undef ff_next
352d5a3a
LW
1386#endif
1387
a0d0e21e 1388#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1389# define SLOPPYDIVIDE
1390#endif
1391
748a9306
LW
1392#ifdef UV
1393#undef UV
1394#endif
1395
c89df6bf
JH
1396#ifdef SPRINTF_E_BUG
1397# define sprintf UTS_sprintf_wrap
1398#endif
1399
c495e728
JH
1400/* Configure gets this right but the UTS compiler gets it wrong.
1401 -- Hal Morris <hom00@utsglobal.com> */
1402#ifdef UTS
1403# undef UVTYPE
1404# define UVTYPE unsigned
1405#endif
1406
05f13f53 1407/*
27d4fb96
PP
1408 The IV type is supposed to be long enough to hold any integral
1409 value or a pointer.
1410 --Andy Dougherty August 1996
1411*/
1412
a22e52b9
JH
1413typedef IVTYPE IV;
1414typedef UVTYPE UV;
8175356b 1415
10cc9d2a 1416#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1417# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1418# define IV_MAX INT64_MAX
1419# define IV_MIN INT64_MIN
1420# define UV_MAX UINT64_MAX
cae7ae48
JH
1421# ifndef UINT64_MIN
1422# define UINT64_MIN 0
1423# endif
5ff3f7a4
GS
1424# define UV_MIN UINT64_MIN
1425# else
1426# define IV_MAX PERL_QUAD_MAX
1427# define IV_MIN PERL_QUAD_MIN
1428# define UV_MAX PERL_UQUAD_MAX
1429# define UV_MIN PERL_UQUAD_MIN
1430# endif
cf2093f6
JH
1431# define IV_IS_QUAD
1432# define UV_IS_QUAD
79072805 1433#else
8175356b 1434# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1435# define IV_MAX INT32_MAX
1436# define IV_MIN INT32_MIN
716026f9
DL
1437# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1438# define UV_MAX UINT32_MAX
1439# else
1440# define UV_MAX 4294967295U
1441# endif
cae7ae48
JH
1442# ifndef UINT32_MIN
1443# define UINT32_MIN 0
1444# endif
5ff3f7a4
GS
1445# define UV_MIN UINT32_MIN
1446# else
1447# define IV_MAX PERL_LONG_MAX
1448# define IV_MIN PERL_LONG_MIN
1449# define UV_MAX PERL_ULONG_MAX
1450# define UV_MIN PERL_ULONG_MIN
1451# endif
8175356b 1452# if IVSIZE == 8
cf2093f6
JH
1453# define IV_IS_QUAD
1454# define UV_IS_QUAD
de1c2614
JH
1455# ifndef HAS_QUAD
1456# define HAS_QUAD
1457# endif
cf2093f6
JH
1458# else
1459# undef IV_IS_QUAD
1460# undef UV_IS_QUAD
de1c2614 1461# undef HAS_QUAD
cf2093f6 1462# endif
79072805 1463#endif
d7d93a81 1464
1109a392
MHM
1465#ifndef HAS_QUAD
1466# undef PERL_NEED_MY_HTOLE64
1467# undef PERL_NEED_MY_LETOH64
1468# undef PERL_NEED_MY_HTOBE64
1469# undef PERL_NEED_MY_BETOH64
1470#endif
1471
6cde8aec 1472#if defined(uts) || defined(UTS)
11afe549
HM
1473# undef UV_MAX
1474# define UV_MAX (4294967295u)
20601011
JH
1475#endif
1476
cae7ae48 1477#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1478#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1479
28e5dec8 1480#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1481#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1482#endif
1483
d460ef45 1484/*
26bb67e2
JH
1485 * The macros INT2PTR and NUM2PTR are (despite their names)
1486 * bi-directional: they will convert int/float to or from pointers.
1487 * However the conversion to int/float are named explicitly:
1488 * PTR2IV, PTR2UV, PTR2NV.
1489 *
1490 * For int conversions we do not need two casts if pointers are
1491 * the same size as IV and UV. Otherwise we need an explicit
1492 * cast (PTRV) to avoid compiler warnings.
1493 */
56431972
RB
1494#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1495# define PTRV UV
1496# define INT2PTR(any,d) (any)(d)
1497#else
d460ef45 1498# if PTRSIZE == LONGSIZE
56431972 1499# define PTRV unsigned long
e91e3b10 1500# define PTR2ul(p) (unsigned long)(p)
42718184 1501# else
56431972 1502# define PTRV unsigned
42718184 1503# endif
e91e3b10
RB
1504#endif
1505
1506#ifndef INT2PTR
56431972 1507# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1508#endif
e91e3b10
RB
1509
1510#ifndef PTR2ul
1511# define PTR2ul(p) INT2PTR(unsigned long,p)
1512#endif
1513
56431972
RB
1514#define NUM2PTR(any,d) (any)(PTRV)(d)
1515#define PTR2IV(p) INT2PTR(IV,p)
1516#define PTR2UV(p) INT2PTR(UV,p)
1517#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1518#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1519
8141890a
JH
1520/* According to strict ANSI C89 one cannot freely cast between
1521 * data pointers and function (code) pointers. There are at least
1522 * two ways around this. One (used below) is to do two casts,
1523 * first the other pointer to an (unsigned) integer, and then
1524 * the integer to the other pointer. The other way would be
1525 * to use unions to "overlay" the pointers. For an example of
1526 * the latter technique, see union dirpu in struct xpvio in sv.h.
1527 * The only feasible use is probably temporarily storing
1528 * function pointers in a data pointer (such as a void pointer). */
1529
e91e3b10
RB
1530#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1531#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1532
65202027 1533#ifdef USE_LONG_DOUBLE
1048ea30
JH
1534# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1535# define LONG_DOUBLE_EQUALS_DOUBLE
1536# endif
68d4903c 1537# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1538# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1539# endif
1540#endif
1541
2d4389e4
JH
1542#ifdef OVR_DBL_DIG
1543/* Use an overridden DBL_DIG */
1544# ifdef DBL_DIG
1545# undef DBL_DIG
1546# endif
1547# define DBL_DIG OVR_DBL_DIG
1548#else
1549/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1550 default value for printing floating point numbers in Gconvert
1551 (see config.h). (It also has other uses, such as figuring out if
1552 a given precision of printing can be done with a double instead of
1553 a long double - Allen).
2d4389e4
JH
1554*/
1555#ifdef I_LIMITS
1556#include <limits.h>
1557#endif
1558#ifdef I_FLOAT
1559#include <float.h>
1560#endif
1561#ifndef HAS_DBL_DIG
1562#define DBL_DIG 15 /* A guess that works lots of places */
1563#endif
1564#endif
cbca01e1
JH
1565#ifdef I_FLOAT
1566#include <float.h>
1567#endif
1568#ifndef HAS_DBL_DIG
1569#define DBL_DIG 15 /* A guess that works lots of places */
1570#endif
2d4389e4
JH
1571
1572#ifdef OVR_LDBL_DIG
1573/* Use an overridden LDBL_DIG */
1574# ifdef LDBL_DIG
1575# undef LDBL_DIG
1576# endif
1577# define LDBL_DIG OVR_LDBL_DIG
1578#else
1579/* The following is all to get LDBL_DIG, in order to pick a nice
1580 default value for printing floating point numbers in Gconvert.
1581 (see config.h)
1582*/
68d4903c
JH
1583# ifdef I_LIMITS
1584# include <limits.h>
1585# endif
1586# ifdef I_FLOAT
1587# include <float.h>
1588# endif
1589# ifndef HAS_LDBL_DIG
1590# if LONG_DOUBLESIZE == 10
1591# define LDBL_DIG 18 /* assume IEEE */
1592# else
1593# if LONG_DOUBLESIZE == 12
1594# define LDBL_DIG 18 /* gcc? */
1595# else
1596# if LONG_DOUBLESIZE == 16
1597# define LDBL_DIG 33 /* assume IEEE */
1598# else
1599# if LONG_DOUBLESIZE == DOUBLESIZE
1600# define LDBL_DIG DBL_DIG /* bummer */
1601# endif
1602# endif
1603# endif
1604# endif
1605# endif
2d4389e4
JH
1606#endif
1607
20f6aaab
AS
1608/*
1609 * This is for making sure we have a good DBL_MAX value, if possible,
1610 * either for usage as NV_MAX or for usage in figuring out if we can
1611 * fit a given long double into a double, if bug-fixing makes it
1612 * necessary to do so. - Allen <allens@cpan.org>
1613 */
1614
205f51d8
AS
1615#ifdef I_LIMITS
1616# include <limits.h>
20f6aaab
AS
1617#endif
1618
205f51d8
AS
1619#ifdef I_VALUES
1620# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1621# include <values.h>
1622# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1623# define DBL_MAX MAXDOUBLE
1624# endif
1625# if defined(MINDOUBLE) && !defined(DBL_MIN)
1626# define DBL_MIN MINDOUBLE
1627# endif
1628# endif
1629#endif /* defined(I_VALUES) */
1630
a22e52b9 1631typedef NVTYPE NV;
8175356b 1632
792d8dab
JH
1633#ifdef I_IEEEFP
1634# include <ieeefp.h>
1635#endif
923fc586 1636
65202027 1637#ifdef USE_LONG_DOUBLE
923fc586
JH
1638# ifdef I_SUNMATH
1639# include <sunmath.h>
1640# endif
2d4389e4 1641# define NV_DIG LDBL_DIG
d6c14000
JH
1642# ifdef LDBL_MANT_DIG
1643# define NV_MANT_DIG LDBL_MANT_DIG
1644# endif
06fc1729
JH
1645# ifdef LDBL_MIN
1646# define NV_MIN LDBL_MIN
1647# endif
1648# ifdef LDBL_MAX
1649# define NV_MAX LDBL_MAX
1650# endif
1651# ifdef LDBL_MIN_10_EXP
1652# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1653# endif
1654# ifdef LDBL_MAX_10_EXP
1655# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1656# endif
1657# ifdef LDBL_EPSILON
1658# define NV_EPSILON LDBL_EPSILON
1659# endif
f4a14a62
JH
1660# ifdef LDBL_MAX
1661# define NV_MAX LDBL_MAX
20f6aaab 1662/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1663# else
1664# ifdef HUGE_VALL
1665# define NV_MAX HUGE_VALL
1666# else
1667# ifdef HUGE_VAL
1668# define NV_MAX ((NV)HUGE_VAL)
1669# endif
1670# endif
1671# endif
68d4903c 1672# ifdef HAS_SQRTL
68d4903c
JH
1673# define Perl_cos cosl
1674# define Perl_sin sinl
1675# define Perl_sqrt sqrtl
1676# define Perl_exp expl
1677# define Perl_log logl
1678# define Perl_atan2 atan2l
1679# define Perl_pow powl
1680# define Perl_floor floorl
1bbae031 1681# define Perl_ceil ceill
68d4903c
JH
1682# define Perl_fmod fmodl
1683# endif
a3540c92
JH
1684/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1685# ifdef HAS_MODFL
1686# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1687/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1688 prototype in <math.h> */
1689# ifndef HAS_MODFL_PROTO
a221a8a5 1690EXTERN_C long double modfl(long double, long double *);
51997bc3 1691# endif
03476e8e
JH
1692# else
1693# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1694 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1695# define Perl_modf(x,y) Perl_my_modfl(x,y)
1696# endif
a3540c92
JH
1697# endif
1698# ifdef HAS_FREXPL
dff3e0b8 1699# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1700# else
1701# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1702 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1703# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1704# endif
a3540c92 1705# endif
38dbb4c5 1706# ifndef Perl_isnan
758a5d79
JH
1707# ifdef HAS_ISNANL
1708# define Perl_isnan(x) isnanl(x)
1709# endif
1710# endif
1711# ifndef Perl_isinf
1712# ifdef HAS_FINITEL
1713# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1714# endif
1715# endif
65202027 1716#else
2d4389e4 1717# define NV_DIG DBL_DIG
d6c14000
JH
1718# ifdef DBL_MANT_DIG
1719# define NV_MANT_DIG DBL_MANT_DIG
1720# endif
06fc1729
JH
1721# ifdef DBL_MIN
1722# define NV_MIN DBL_MIN
1723# endif
1724# ifdef DBL_MAX
1725# define NV_MAX DBL_MAX
1726# endif
1727# ifdef DBL_MIN_10_EXP
1728# define NV_MIN_10_EXP DBL_MIN_10_EXP
1729# endif
1730# ifdef DBL_MAX_10_EXP
1731# define NV_MAX_10_EXP DBL_MAX_10_EXP
1732# endif
1733# ifdef DBL_EPSILON
1734# define NV_EPSILON DBL_EPSILON
1735# endif
205f51d8 1736# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1737# define NV_MAX DBL_MAX
1738# define NV_MIN DBL_MIN
1739# else
1740# ifdef HUGE_VAL
1741# define NV_MAX HUGE_VAL
1742# endif
1743# endif
65202027
DS
1744# define Perl_cos cos
1745# define Perl_sin sin
1746# define Perl_sqrt sqrt
1747# define Perl_exp exp
1748# define Perl_log log
1749# define Perl_atan2 atan2
1750# define Perl_pow pow
1751# define Perl_floor floor
1bbae031 1752# define Perl_ceil ceil
65202027 1753# define Perl_fmod fmod
a3540c92 1754# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1755# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1756#endif
1757
1758/* rumor has it that Win32 has _fpclass() */
1759
205f51d8
AS
1760/* SGI has fpclassl... but not with the same result values,
1761 * and it's via a typedef (not via #define), so will need to redo Configure
1762 * to use. Not worth the trouble, IMO, at least until the below is used
1763 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1764 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1765 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1766
758a5d79
JH
1767#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1768# ifdef I_IEEFP
1769# include <ieeefp.h>
1770# endif
1771# ifdef I_FP
1772# include <fp.h>
1773# endif
1774# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1775# define Perl_fp_class() fpclassl(x)
1776# else
1777# define Perl_fp_class() fpclass(x)
1778# endif
1779# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1780# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1781# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1782# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1783# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1784# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1785# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1786# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1787# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1788# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1789# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1790# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1791# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1792# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1793# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1794#endif
1795
7114a2d2 1796#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1797# include <math.h>
1798# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1799# include <fp_class.h>
1800# endif
1801# define Perl_fp_class(x) fp_class(x)
1802# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1803# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1804# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1805# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1806# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1807# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1808# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1809# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1810# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1811# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1812# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1813# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1814# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1815# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1816# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1817#endif
1818
1819#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1820# include <math.h>
1821# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1822# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1823# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1824# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1825# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1826# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1827#endif
1828
1829#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1830# include <math.h>
1831# ifndef _cplusplus
1832# define Perl_fp_class(x) class(x)
1833# else
1834# define Perl_fp_class(x) _class(x)
1835# endif
1836# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1837# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1838# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1839# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1840# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1841# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1842# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1843# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1844# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1845# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1846# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1847# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1848# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1849# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1850# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1851#endif
1852
1853/* rumor has it that Win32 has _isnan() */
1854
1855#ifndef Perl_isnan
a3540c92 1856# ifdef HAS_ISNAN
758a5d79
JH
1857# define Perl_isnan(x) isnan((NV)x)
1858# else
1859# ifdef Perl_fp_class_nan
1860# define Perl_isnan(x) Perl_fp_class_nan(x)
1861# else
1862# ifdef HAS_UNORDERED
1863# define Perl_isnan(x) unordered((x), 0.0)
1864# else
1865# define Perl_isnan(x) ((x)!=(x))
1866# endif
1867# endif
1868# endif
1869#endif
1870
ca6c63e1
JH
1871#ifdef UNDER_CE
1872int isnan(double d);
1873#endif
1874
758a5d79
JH
1875#ifndef Perl_isinf
1876# ifdef HAS_ISINF
1877# define Perl_isinf(x) isinf((NV)x)
a3540c92 1878# else
758a5d79
JH
1879# ifdef Perl_fp_class_inf
1880# define Perl_isinf(x) Perl_fp_class_inf(x)
1881# else
1882# define Perl_isinf(x) ((x)==NV_INF)
1883# endif
1884# endif
1885#endif
1886
1887#ifndef Perl_isfinite
1888# ifdef HAS_FINITE
1889# define Perl_isfinite(x) finite((NV)x)
1890# else
1891# ifdef HAS_ISFINITE
1892# define Perl_isfinite(x) isfinite(x)
1893# else
1894# ifdef Perl_fp_class_finite
1895# define Perl_isfinite(x) Perl_fp_class_finite(x)
1896# else
1897# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1898# endif
1899# endif
a3540c92 1900# endif
65202027
DS
1901#endif
1902
a36244b7
JH
1903/* The default is to use Perl's own atof() implementation (in numeric.c).
1904 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1905 * it is however best to use the native implementation of atof.
1906 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1907 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1908 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1909 * you may need to be using a different function than atof! */
a36244b7
JH
1910
1911#ifndef USE_PERL_ATOF
1912# ifndef _UNICOS
1913# define USE_PERL_ATOF
1914# endif
1915#else
1916# if USE_PERL_ATOF == 0
1917# undef USE_PERL_ATOF
1918# endif
1919#endif
1920
1921#ifdef USE_PERL_ATOF
1922# define Perl_atof(s) Perl_my_atof(s)
1923# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1924#else
1925# define Perl_atof(s) (NV)atof(s)
1926# define Perl_atof2(s, n) ((n) = atof(s))
1927#endif
cf2093f6 1928
d460ef45 1929/* Previously these definitions used hardcoded figures.
760ac839
LW
1930 * It is hoped these formula are more portable, although
1931 * no data one way or another is presently known to me.
1932 * The "PERL_" names are used because these calculated constants
1933 * do not meet the ANSI requirements for LONG_MAX, etc., which
1934 * need to be constants acceptable to #if - kja
1935 * define PERL_LONG_MAX 2147483647L
1936 * define PERL_LONG_MIN (-LONG_MAX - 1)
1937 * define PERL ULONG_MAX 4294967295L
1938 */
1939
1940#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1941# include <limits.h>
760ac839 1942#endif
205f51d8
AS
1943/* Included values.h above if necessary; still including limits.h down here,
1944 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1945
99abf803
PP
1946/*
1947 * Try to figure out max and min values for the integral types. THE CORRECT
1948 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1949 * following hacks are used if neither limits.h or values.h provide them:
1950 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1951 * for types < int: (unsigned TYPE)~(unsigned)0
1952 * The argument to ~ must be unsigned so that later signed->unsigned
1953 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1954 * and it must not be smaller than int because ~ does integral promotion.
1955 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1956 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1957 * The latter is a hack which happens to work on some machines but
1958 * does *not* catch any random system, or things like integer types
1959 * with NaN if that is possible.
1960 *
1961 * All of the types are explicitly cast to prevent accidental loss of
1962 * numeric range, and in the hope that they will be less likely to confuse
1963 * over-eager optimizers.
1964 *
1965 */
27d4fb96 1966
99abf803
PP
1967#define PERL_UCHAR_MIN ((unsigned char)0)
1968
1969#ifdef UCHAR_MAX
1970# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1971#else
99abf803
PP
1972# ifdef MAXUCHAR
1973# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1974# else
99abf803 1975# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1976# endif
1977#endif
d460ef45 1978
99abf803
PP
1979/*
1980 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1981 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1982 * depending on local options. Until Configure detects this (or at least
1983 * detects whether the "signed" keyword is available) the CHAR ranges
1984 * will not be included. UCHAR functions normally.
1985 * - kja
1986 */
27d4fb96 1987
99abf803
PP
1988#define PERL_USHORT_MIN ((unsigned short)0)
1989
1990#ifdef USHORT_MAX
1991# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1992#else
99abf803
PP
1993# ifdef MAXUSHORT
1994# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1995# else
ef2f54b0
CB
1996# ifdef USHRT_MAX
1997# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1998# else
1999# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2000# endif
27d4fb96
PP
2001# endif
2002#endif
2003
27d4fb96 2004#ifdef SHORT_MAX
99abf803 2005# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2006#else
2007# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2008# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2009# else
ef2f54b0
CB
2010# ifdef SHRT_MAX
2011# define PERL_SHORT_MAX ((short)SHRT_MAX)
2012# else
2013# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2014# endif
27d4fb96
PP
2015# endif
2016#endif
2017
2018#ifdef SHORT_MIN
99abf803 2019# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2020#else
2021# ifdef MINSHORT
99abf803 2022# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2023# else
ef2f54b0
CB
2024# ifdef SHRT_MIN
2025# define PERL_SHORT_MIN ((short)SHRT_MIN)
2026# else
2027# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2028# endif
27d4fb96
PP
2029# endif
2030#endif
2031
99abf803
PP
2032#ifdef UINT_MAX
2033# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2034#else
99abf803
PP
2035# ifdef MAXUINT
2036# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2037# else
99abf803 2038# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2039# endif
2040#endif
2041
99abf803 2042#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2043
2044#ifdef INT_MAX
99abf803 2045# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2046#else
2047# ifdef MAXINT /* Often used in <values.h> */
99abf803 2048# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2049# else
99abf803 2050# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2051# endif
2052#endif
2053
2054#ifdef INT_MIN
99abf803 2055# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2056#else
2057# ifdef MININT
99abf803 2058# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2059# else
2060# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2061# endif
2062#endif
2063
99abf803
PP
2064#ifdef ULONG_MAX
2065# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2066#else
99abf803
PP
2067# ifdef MAXULONG
2068# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2069# else
99abf803 2070# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2071# endif
2072#endif
2073
99abf803 2074#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2075
760ac839 2076#ifdef LONG_MAX
99abf803 2077# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2078#else
2079# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2080# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2081# else
99abf803 2082# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2083# endif
2084#endif
2085
2086#ifdef LONG_MIN
99abf803 2087# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2088#else
2089# ifdef MINLONG
99abf803 2090# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2091# else
27d4fb96 2092# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2093# endif
2094#endif
2095
d7d93a81 2096#ifdef UV_IS_QUAD
99abf803 2097
99abf803 2098# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2099# define PERL_UQUAD_MIN ((UV)0)
99abf803 2100# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2101# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2102
79072805
LW
2103#endif
2104
22f7c9c9
JH
2105#ifdef MYMALLOC
2106# include "malloc_ctl.h"
2107#endif
2108
830247a4 2109struct RExC_state_t;
880b20b6 2110
ee0007ab 2111typedef MEM_SIZE STRLEN;
450a55e4 2112
79072805
LW
2113typedef struct op OP;
2114typedef struct cop COP;
2115typedef struct unop UNOP;
2116typedef struct binop BINOP;
2117typedef struct listop LISTOP;
2118typedef struct logop LOGOP;
79072805
LW
2119typedef struct pmop PMOP;
2120typedef struct svop SVOP;
7934575e 2121typedef struct padop PADOP;
79072805 2122typedef struct pvop PVOP;
79072805
LW
2123typedef struct loop LOOP;
2124
93a17b20 2125typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2126
2127/* Amdahl's <ksync.h> has struct sv */
2128/* SGI's <sys/sema.h> has struct sv */
2129#if defined(UTS) || defined(__sgi)
2130# define STRUCT_SV perl_sv
b8d3c5db
JH
2131#else
2132# define STRUCT_SV sv
2133#endif
2134typedef struct STRUCT_SV SV;
79072805
LW
2135typedef struct av AV;
2136typedef struct hv HV;
2137typedef struct cv CV;
378cc40b 2138typedef struct regexp REGEXP;
79072805 2139typedef struct gp GP;
0c30d9ec 2140typedef struct gv GV;
8990e307 2141typedef struct io IO;
c09156bb 2142typedef struct context PERL_CONTEXT;
79072805
LW
2143typedef struct block BLOCK;
2144
2145typedef struct magic MAGIC;
2146typedef struct xpv XPV;
2147typedef struct xpviv XPVIV;
ff68c719 2148typedef struct xpvuv XPVUV;
79072805
LW
2149typedef struct xpvnv XPVNV;
2150typedef struct xpvmg XPVMG;
2151typedef struct xpvlv XPVLV;
2152typedef struct xpvav XPVAV;
2153typedef struct xpvhv XPVHV;
2154typedef struct xpvgv XPVGV;
2155typedef struct xpvcv XPVCV;
2156typedef struct xpvbm XPVBM;
2157typedef struct xpvfm XPVFM;
8990e307 2158typedef struct xpvio XPVIO;
79072805
LW
2159typedef struct mgvtbl MGVTBL;
2160typedef union any ANY;
5f7fde29
GS
2161typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2162typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2163typedef struct clone_params CLONE_PARAMS;
2164
378cc40b 2165#include "handy.h"
a0d0e21e 2166
6b8eaf93 2167#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2168# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2169# define USE_64_BIT_RAWIO /* implicit */
2170# endif
4564133c
JH
2171#endif
2172
6b8eaf93
JH
2173/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2174 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2175 * however, because operating systems like to do that themself. */
2176#ifndef FSEEKSIZE
2177# ifdef HAS_FSEEKO
2178# define FSEEKSIZE LSEEKSIZE
2179# else
2180# define FSEEKSIZE LONGSIZE
d460ef45 2181# endif
6b8eaf93
JH
2182#endif
2183
2184#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2185# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2186# define USE_64_BIT_STDIO /* implicit */
2187# endif
2188#endif
4564133c 2189
09458382 2190#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2191# ifdef HAS_OFF64_T
2192# undef Off_t
2193# define Off_t off64_t
2194# undef LSEEKSIZE
2195# define LSEEKSIZE 8
5ff3f7a4 2196# endif
d9b3e12d
JH
2197/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2198 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2199 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2200# if defined(USE_OPEN64)
2201# define open open64
5ff3f7a4 2202# endif
d9b3e12d
JH
2203# if defined(USE_LSEEK64)
2204# define lseek lseek64
6b8eaf93
JH
2205# else
2206# if defined(USE_LLSEEK)
2207# define lseek llseek
2208# endif
d9b3e12d
JH
2209# endif
2210# if defined(USE_STAT64)
2211# define stat stat64
2212# endif
2213# if defined(USE_FSTAT64)
2214# define fstat fstat64
2215# endif
2216# if defined(USE_LSTAT64)
2217# define lstat lstat64
2218# endif
2219# if defined(USE_FLOCK64)
2220# define flock flock64
2221# endif
2222# if defined(USE_LOCKF64)
2223# define lockf lockf64
2224# endif
2225# if defined(USE_FCNTL64)
2226# define fcntl fcntl64
2227# endif
2228# if defined(USE_TRUNCATE64)
2229# define truncate truncate64
2230# endif
2231# if defined(USE_FTRUNCATE64)
2232# define ftruncate ftruncate64
2233# endif
2234#endif
2235
2236#ifdef USE_64_BIT_STDIO
2237# ifdef HAS_FPOS64_T
2238# undef Fpos_t
2239# define Fpos_t fpos64_t
2240# endif
2241/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2242 * will trigger defines like the ones below. Some 64-bit environments,
2243 * however, do not. */
2244# if defined(USE_FOPEN64)
2245# define fopen fopen64
2246# endif
2247# if defined(USE_FSEEK64)
6b8eaf93 2248# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2249# endif
2250# if defined(USE_FTELL64)
6b8eaf93 2251# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2252# endif
2253# if defined(USE_FSETPOS64)
2254# define fsetpos fsetpos64
2255# endif
2256# if defined(USE_FGETPOS64)
2257# define fgetpos fgetpos64
2258# endif
2259# if defined(USE_TMPFILE64)
2260# define tmpfile tmpfile64
2261# endif
2262# if defined(USE_FREOPEN64)
2263# define freopen freopen64
5ff3f7a4
GS
2264# endif
2265#endif
2266
af8b425d 2267#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2268# include "iperlsys.h"
2269#endif
2270
6f71a643 2271#if defined(__OPEN_VM)
19848b3f
JH
2272# include "vmesa/vmesaish.h"
2273# define ISHISH "vmesa"
6f71a643
JH
2274#endif
2275
748a9306 2276#ifdef DOSISH
19848b3f
JH
2277# if defined(OS2)
2278# include "os2ish.h"
2279# else
2280# include "dosish.h"
2281# endif
2282# define ISHISH "dos"
2283#endif
2284
2285#if defined(VMS)
748a9306 2286# include "vmsish.h"
96e176bf 2287# include "embed.h"
19848b3f
JH
2288# define ISHISH "vms"
2289#endif
2290
2291#if defined(PLAN9)
2292# include "./plan9/plan9ish.h"
2293# define ISHISH "plan9"
2294#endif
2295
2296#if defined(MPE)
2297# include "mpeix/mpeixish.h"
2298# define ISHISH "mpeix"
2299#endif
2300
2301#if defined(__VOS__)
196918b0
PG
2302# ifdef __GNUC__
2303# include "./vos/vosish.h"
2304# else
2305# include "vos/vosish.h"
2306# endif
19848b3f
JH
2307# define ISHISH "vos"
2308#endif
2309
2310#if defined(EPOC)
2311# include "epocish.h"
2312# define ISHISH "epoc"
2313#endif
2314
27da23d5
JH
2315#ifdef SYMBIAN
2316# include "symbian/symbianish.h"
2317# include "embed.h"
2318# define ISHISH "symbian"
2319#endif
2320
19848b3f
JH
2321#if defined(MACOS_TRADITIONAL)
2322# include "macos/macish.h"
2323# ifndef NO_ENVIRON_ARRAY
2324# define NO_ENVIRON_ARRAY
0c30d9ec 2325# endif
19848b3f
JH
2326# define ISHISH "macos classic"
2327#endif
2328
efca5cc6
JH
2329#if defined(__BEOS__)
2330# include "beos/beosish.h"
2331# define ISHISH "beos"
2332#endif
2333
19848b3f
JH
2334#ifndef ISHISH
2335# include "unixish.h"
2336# define ISHISH "unix"
13b6e58c
JH
2337#endif
2338
2946a158
JH
2339/* NSIG logic from Configure --> */
2340/* Strange style to avoid deeply-nested #if/#else/#endif */
2341#ifndef NSIG
2342# ifdef _NSIG
2343# define NSIG (_NSIG)
2344# endif
2345#endif
2346
2347#ifndef NSIG
2348# ifdef SIGMAX
2349# define NSIG (SIGMAX+1)
2350# endif
2351#endif
2352
2353#ifndef NSIG
2354# ifdef SIG_MAX
2355# define NSIG (SIG_MAX+1)
2356# endif
2357#endif
2358
2359#ifndef NSIG
2360# ifdef _SIG_MAX
2361# define NSIG (_SIG_MAX+1)
2362# endif
2363#endif
2364
2365#ifndef NSIG
2366# ifdef MAXSIG
2367# define NSIG (MAXSIG+1)
2368# endif
2369#endif
2370
2371#ifndef NSIG
2372# ifdef MAX_SIG
2373# define NSIG (MAX_SIG+1)
2374# endif
2375#endif
2376
2377#ifndef NSIG
2378# ifdef SIGARRAYSIZE
2379# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2380# endif
2381#endif
2382
2383#ifndef NSIG
2384# ifdef _sys_nsig
2385# define NSIG (_sys_nsig) /* Solaris 2.5 */
2386# endif
2387#endif
2388
2389/* Default to some arbitrary number that's big enough to get most
2390 of the common signals.
2391*/
2392#ifndef NSIG
2393# define NSIG 50
2394#endif
2395/* <-- NSIG logic from Configure */
2396
13b6e58c
JH
2397#ifndef NO_ENVIRON_ARRAY
2398# define USE_ENVIRON_ARRAY
2399#endif
32f822de 2400
c77b533b
JH
2401/*
2402 * initialise to avoid floating-point exceptions from overflow, etc
2403 */
2404#ifndef PERL_FPU_INIT
2405# ifdef HAS_FPSETMASK
2406# if HAS_FLOATINGPOINT_H
2407# include <floatingpoint.h>
2408# endif
2409# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2410# else
2f42fcb0 2411# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2412# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS
2413# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2414# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2415# else
2416# define PERL_FPU_INIT
2f42fcb0 2417
7014c407 2418# endif
c77b533b
JH
2419# endif
2420#endif
b35112e7
CS
2421#ifndef PERL_FPU_PRE_EXEC
2422# define PERL_FPU_PRE_EXEC {
2423# define PERL_FPU_POST_EXEC }
2424#endif
c77b533b 2425
ed344e4f
IZ
2426#ifndef PERL_SYS_INIT3
2427# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2428#endif
2429
be708cc0
JH
2430#ifndef PERL_WRITE_MSG_TO_CONSOLE
2431# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2432#endif
2433
0f31cffe
GS
2434#ifndef MAXPATHLEN
2435# ifdef PATH_MAX
b990c8b2
JH
2436# ifdef _POSIX_PATH_MAX
2437# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2438/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2439 * included the null byte or not. Later amendments of POSIX,
2440 * XPG4, the Austin Group, and the Single UNIX Specification
2441 * all explicitly include the null byte in the PATH_MAX.
2442 * Ditto for _POSIX_PATH_MAX. */
2443# define MAXPATHLEN PATH_MAX
b990c8b2 2444# else
09448d78 2445# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2446# endif
2447# else
2448# define MAXPATHLEN (PATH_MAX+1)
2449# endif
0f31cffe 2450# else
b990c8b2 2451# ifdef _POSIX_PATH_MAX
09448d78 2452# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2453# else
2454# define MAXPATHLEN 1024 /* Err on the large side. */
2455# endif
0f31cffe
GS
2456# endif
2457#endif
2458
c80263a8
SH
2459/* In case Configure was not used (we are using a "canned config"
2460 * such as Win32, or a cross-compilation setup, for example) try going
2461 * by the gcc major and minor versions. One useful URL is
2462 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2463 * but contrary to this information warn_unused_result seems
2464 * not to be in gcc 3.3.5, at least. --jhi
2465 * Set these up now otherwise we get confused when some of the <*thread.h>
2466 * includes below indirectly pull in <perlio.h> (which needs to know if we
2467 * have HASATTRIBUTE_FORMAT).
2468 */
2469
2470#if defined __GNUC__
2471# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2472# define HASATTRIBUTE_FORMAT
2473# endif
2474# if __GNUC__ >= 3 /* 3.0 -> */
2475# define HASATTRIBUTE_MALLOC
2476# endif
2477# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2478# define HASATTRIBUTE_NONNULL
2479# endif
2480# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2481# define HASATTRIBUTE_NORETURN
2482# endif
2483# if __GNUC__ >= 3 /* gcc 3.0 -> */
2484# define HASATTRIBUTE_PURE
2485# endif
2486# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2487# define HASATTRIBUTE_UNUSED
2488# endif
2489# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2490# define HASATTRIBUTE_WARN_UNUSED_RESULT
2491# endif
2492#endif
2493
3db8f154 2494/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2495 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2496 * this results in many functions being undeclared which bothers C++
2497 * May make sense to have threads after "*ish.h" anyway
2498 */
2499
3db8f154 2500#if defined(USE_ITHREADS)
2986a63f
JH
2501# ifdef NETWARE
2502# include <nw5thread.h>
2503# else
32f822de
GS
2504# ifdef FAKE_THREADS
2505# include "fakethr.h"
2506# else
2507# ifdef WIN32
2508# include <win32thread.h>
2509# else
dd96f567
IZ
2510# ifdef OS2
2511# include "os2thread.h"
2512# else
7f3d1cf1 2513# ifdef I_MACH_CTHREADS
bdd66968 2514# include <mach/cthreads.h>
8f1f23e8 2515# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2516# define MUTEX_INIT_CALLS_MALLOC
2517# endif
7f3d1cf1
BH
2518typedef cthread_t perl_os_thread;
2519typedef mutex_t perl_mutex;
2520typedef condition_t perl_cond;
2521typedef void * perl_key;
2522# else /* Posix threads */
1f5ae88c
JH
2523# ifdef I_PTHREAD
2524# include <pthread.h>
2525# endif
7f3d1cf1
BH
2526typedef pthread_t perl_os_thread;
2527typedef pthread_mutex_t perl_mutex;
2528typedef pthread_cond_t perl_cond;
2529typedef pthread_key_t perl_key;
2530# endif /* I_MACH_CTHREADS */
dd96f567 2531# endif /* OS2 */
32f822de
GS
2532# endif /* WIN32 */
2533# endif /* FAKE_THREADS */
2986a63f 2534#endif /* NETWARE */
3db8f154 2535#endif /* USE_ITHREADS */
c5be433b 2536
66a93824 2537#if defined(WIN32)
1feb2720 2538# include "win32.h"
c5be433b
GS
2539#endif
2540
2986a63f
JH
2541#ifdef NETWARE
2542# include "netware.h"
2543#endif
2544
e5218da5 2545#define STATUS_UNIX PL_statusvalue
68dc0745 2546#ifdef VMS
6b88bc9c 2547# define STATUS_NATIVE PL_statusvalue_vms
37038d91 2548# define STATUS_EXIT \
d98f61e7 2549 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
2fbb330f
JM
2550# define STATUS_NATIVE_SET(n) STATUS_NATIVE_SET_PORC(n, 0)
2551# define STATUS_NATIVE_CHILD_SET(n) STATUS_NATIVE_SET_PORC(n, 1)
2552# define STATUS_NATIVE_SET_PORC(n, _x) \
68dc0745 2553 STMT_START { \
2fbb330f
JM
2554 I32 evalue = (I32)n; \
2555 if (evalue == EVMSERR) { \
2556 PL_statusvalue_vms = vaxc$errno; \
2557 PL_statusvalue = evalue; \
2558 } \
2559 else { \
2560 PL_statusvalue_vms = evalue; \
2561 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2562 PL_statusvalue = -1; \
2fbb330f
JM
2563 else \
2564 PL_statusvalue = vms_status_to_unix(evalue); \
2565 set_vaxc_errno(evalue); \
2566 set_errno(PL_statusvalue); \
2567 if (_x) PL_statusvalue = PL_statusvalue << 8; \
2568 } \
68dc0745 2569 } STMT_END
68dc0745 2570# ifdef VMSISH_STATUS
e5218da5 2571# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2572# else
e5218da5 2573# define STATUS_CURRENT STATUS_UNIX
68dc0745 2574# endif
e5218da5 2575# define STATUS_UNIX_SET(n) \
68dc0745 2576 STMT_START { \
3280af22
NIS
2577 PL_statusvalue = (n); \
2578 if (PL_statusvalue != -1) { \
2fbb330f
JM
2579 if (PL_statusvalue != EVMSERR) { \
2580 PL_statusvalue &= 0xFFFF; \
2581 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
2582 } \
2583 else { \
2584 PL_statusvalue_vms = vaxc$errno; \
2585 } \
68dc0745 2586 } \
6b88bc9c 2587 else PL_statusvalue_vms = -1; \
68dc0745 2588 } STMT_END
6b88bc9c
GS
2589# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2590# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2591#else
e5218da5 2592# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2593# if defined(WCOREDUMP)
37038d91 2594# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2595 STMT_START { \
2596 PL_statusvalue_posix = (n); \
2597 if (PL_statusvalue_posix == -1) \
2598 PL_statusvalue = -1; \
2599 else { \
2600 PL_statusvalue = \
2601 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2602 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2603 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2604 } \
2605 } STMT_END
2606# elif defined(WIFEXITED)
37038d91 2607# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2608 STMT_START { \
2609 PL_statusvalue_posix = (n); \
2610 if (PL_statusvalue_posix == -1) \
2611 PL_statusvalue = -1; \
2612 else { \
2613 PL_statusvalue = \
2614 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2615 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2616 } \
2617 } STMT_END
2618# else
37038d91 2619# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2620 STMT_START { \
2621 PL_statusvalue_posix = (n); \
2622 if (PL_statusvalue_posix == -1) \
2623 PL_statusvalue = -1; \
2624 else { \
2625 PL_statusvalue = \
2626 PL_statusvalue_posix & 0xFFFF; \
2627 } \
2628 } STMT_END
2629# endif
2630# define STATUS_UNIX_SET(n) \
68dc0745 2631 STMT_START { \
3280af22
NIS
2632 PL_statusvalue = (n); \
2633 if (PL_statusvalue != -1) \
2634 PL_statusvalue &= 0xFFFF; \
68dc0745 2635 } STMT_END
e5218da5 2636# define STATUS_CURRENT STATUS_UNIX
37038d91 2637# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2638# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2639# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2640#endif
2641
cc3604b1
GS
2642/* flags in PL_exit_flags for nature of exit() */
2643#define PERL_EXIT_EXPECTED 0x01
31d77e54 2644#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2645
0b94c7bb 2646#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2647# define MEMBER_TO_FPTR(name) name
2648#endif
2649
2650/* format to use for version numbers in file/directory names */
273cf8d1 2651/* XXX move to Configure? */
a7cb1f99 2652#ifndef PERL_FS_VER_FMT
273cf8d1 2653# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2654#endif
2655
45bc9206 2656/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2657 * performance issue, so we allow people to disable it. Also, if
2658 * we are using stdio, there are broken implementations of fflush(NULL)
2659 * out there, Solaris being the most prominent.
45bc9206
GS
2660 */
2661#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2662# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2663# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2664# else
2665# ifdef FFLUSH_ALL
2666# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2667# else
c5be433b 2668# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2669# endif
66fe083f 2670# endif
45bc9206
GS
2671#endif
2672
7766f137
GS
2673#ifndef PERL_WAIT_FOR_CHILDREN
2674# define PERL_WAIT_FOR_CHILDREN NOOP
2675#endif
2676
ba869deb 2677/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2678#ifndef PERL_SET_INTERP
2679# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2680#endif
2681
2682#ifndef PERL_GET_INTERP
2683# define PERL_GET_INTERP (PL_curinterp)
2684#endif
2685
54aff467 2686#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2687# ifdef MULTIPLICITY
ba869deb 2688# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2689# endif
ba869deb
GS
2690# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2691#endif
2692
8896765a
RB
2693/*
2694 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2695 All that is required is that the perl source does not
8896765a
RB
2696 use "%-p" or "%-<number>p" or "%<number>p" formats.
2697 These formats will still work in perl code.
2698 See comments in sv.c for futher details.
2699
2700 -DvdNUMBER=<number> can be used to redefine VDf
2701
2702 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2703 which works properly but gives compiler warnings
2704
2705 Robin Barker 2005-07-14
0dbb1585 2706*/
8896765a
RB
2707
2708#ifndef SVf_
63ce7bf0 2709# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
2710#endif
2711
8896765a 2712#ifndef SVf
104abab4 2713# define SVf "-p"
d2560b70
RB
2714#endif
2715
014ead4b 2716#ifndef SVf32
8896765a 2717# define SVf32 SVf_(32)
014ead4b
RB
2718#endif
2719
2720#ifndef SVf256
8896765a
RB
2721# define SVf256 SVf_(256)
2722#endif
2723
2724#ifndef vdNUMBER
2725# define vdNUMBER 1
2726#endif
2727
2728#ifndef VDf
2729# if vdNUMBER
63ce7bf0 2730# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
2731# else
2732# define VDf "vd"
2733# endif
014ead4b
RB
2734#endif
2735
2736#ifndef UVf
2737# define UVf UVuf
d2560b70
RB
2738#endif
2739
0dbb1585
AL
2740#ifdef HASATTRIBUTE_FORMAT
2741# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2742#endif
2743#ifdef HASATTRIBUTE_MALLOC
77785eea 2744# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2745#endif
0dbb1585 2746#ifdef HASATTRIBUTE_NONNULL
abb2c242 2747# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2748#endif
0dbb1585 2749#ifdef HASATTRIBUTE_NORETURN
abb2c242 2750# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2751#endif
0dbb1585 2752#ifdef HASATTRIBUTE_PURE
abb2c242 2753# define __attribute__pure__ __attribute__((pure))
f22be1b8 2754#endif
0dbb1585
AL
2755#ifdef HASATTRIBUTE_UNUSED
2756# define __attribute__unused__ __attribute__((unused))
2757#endif
2758#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2759# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2760#endif
2761
0dbb1585
AL
2762/* If we haven't defined the attributes yet, define them to blank. */
2763#ifndef __attribute__format__
2764# define __attribute__format__(x,y,z)
2765#endif
f22be1b8 2766#ifndef __attribute__malloc__
abb2c242 2767# define __attribute__malloc__
f22be1b8
JH
2768#endif
2769#ifndef __attribute__nonnull__
abb2c242 2770# define __attribute__nonnull__(a)
f22be1b8
JH
2771#endif
2772#ifndef __attribute__noreturn__
abb2c242 2773# define __attribute__noreturn__
f22be1b8
JH
2774#endif
2775#ifndef __attribute__pure__
abb2c242 2776# define __attribute__pure__
f22be1b8 2777#endif
0dbb1585
AL
2778#ifndef __attribute__unused__
2779# define __attribute__unused__
2780#endif
f22be1b8 2781#ifndef __attribute__warn_unused_result__
abb2c242
JH
2782# define __attribute__warn_unused_result__
2783#endif
2784
0dbb1585
AL
2785/* For functions that are marked as __attribute__noreturn__, it's not
2786 appropriate to call return. In either case, include the lint directive.
2787 */
2788#ifdef HASATTRIBUTE_NORETURN
2789# define NORETURN_FUNCTION_END /* NOT REACHED */
2790#else
2791# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2792#endif
2793
3fc1aec6
PP
2794/* Some unistd.h's give a prototype for pause() even though
2795 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2796 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2797*/
2798#ifdef HAS_PAUSE
2799#define Pause pause
2800#else
2801#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2802#endif
2803
2804#ifndef IOCPARM_LEN
2805# ifdef IOCPARM_MASK
2806 /* on BSDish systes we're safe */
2807# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2808# else
2809 /* otherwise guess at what's safe */
2810# define IOCPARM_LEN(x) 256
2811# endif
a0d0e21e
LW
2812#endif
2813
1761cee5 2814#if defined(__CYGWIN__)
521e0776
GS
2815/* USEMYBINMODE
2816 * This symbol, if defined, indicates that the program should
16fe6d59 2817 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2818 * that a file is in "binary" mode -- that is, that no translation
2819 * of bytes occurs on read or write operations.
2820 */
36894f0b 2821# define USEMYBINMODE /**/
77a40698 2822# include <io.h> /* for setmode() prototype */
16fe6d59 2823# define my_binmode(fp, iotype, mode) \
77a40698 2824 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2825#endif
2826
88d10794
JH
2827#ifdef __CYGWIN__
2828void init_os_extras(void);
2829#endif
2830
cea2e8a9
GS
2831#ifdef UNION_ANY_DEFINITION
2832UNION_ANY_DEFINITION;
2833#else
2834union any {
2835 void* any_ptr;
2836 I32 any_i32;
2837 IV any_iv;
2838 long any_long;
9febdf04 2839 bool any_bool;
c76ac1ee 2840 void (*any_dptr) (void*);
acfe0abc 2841 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2842};
2843#endif
2844
acfe0abc 2845typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2846
2847#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2848#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2849#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2850
c5078cac
JH
2851#if defined(_AIX) && !defined(_AIX43)
2852#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2853/* We cannot include <crypt.h> to get the struct crypt_data
2854 * because of setkey prototype problems when threading */
2855typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2856 /* From OSF, Not needed in AIX
2857 char C[28], D[28];
2858 */
2859 char E[48];
2860 char KS[16][48];
2861 char block[66];
2862 char iobuf[16];
2863} CRYPTD;
2864#endif /* threading */
2865#endif /* AIX */
2866
af8b425d 2867#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2868# include "iperlsys.h"
2869#endif
504f80c1 2870
d10dc2ae
JH
2871/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2872 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2873 * defined by Configure, despite their names being similar to the
2874 * other defines like USE_ITHREADS. Configure in fact knows nothing
2875 * about the randomised hashes. Therefore to enable/disable the hash
2876 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2877#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2878# define USE_HASH_SEED
504f80c1
JH
2879#endif
2880
378cc40b 2881#include "regexp.h"
79072805 2882#include "sv.h"
378cc40b 2883#include "util.h"
8d063cd8 2884#include "form.h"
79072805 2885#include "gv.h"
dd2155a4 2886#include "pad.h"
79072805 2887#include "cv.h"
abdd5c84 2888#include "opnames.h"
79072805
LW
2889#include "op.h"
2890#include "cop.h"
2891#include "av.h"
2892#include "hv.h"
2893#include "mg.h"
2894#include "scope.h"
4438c4b7 2895#include "warnings.h"
a0ed51b3 2896#include "utf8.h"
8d063cd8 2897
7fae4e64
GS
2898/* Current curly descriptor */
2899typedef struct curcur CURCUR;
2900struct curcur {
2901 int parenfloor; /* how far back to strip paren data */
2902 int cur; /* how many instances of scan we've matched */
2903 int min; /* the minimal number of scans to match */
2904 int max; /* the maximal number of scans to match */
2905 int minmod; /* whether to work our way up or down */
2906 regnode * scan; /* the thing to match */
2907 regnode * next; /* what has to match after it */
2908 char * lastloc; /* where we started matching this scan */
2909 CURCUR * oldcc; /* current curly before we started this one */
2910};
2911
2912typedef struct _sublex_info SUBLEXINFO;
2913struct _sublex_info {
2914 I32 super_state; /* lexer state to save */
2915 I32 sub_inwhat; /* "lex_inwhat" to use */
2916 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2917 char *super_bufptr; /* PL_bufptr that was */
2918 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2919};
2920
455ece5e 2921typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2922
2c2d71f5 2923struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2924struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2925
2926typedef I32 CHECKPOINT;
76e3520e 2927
6f51351d
NC
2928/* Keep next first in this structure, because sv_free_arenas take
2929 advantage of this to share code between the pte arenas and the SV
2930 body arenas */
5f7fde29
GS
2931struct ptr_tbl_ent {
2932 struct ptr_tbl_ent* next;
53c1dcc0 2933 const void* oldval;
5f7fde29 2934 void* newval;
d18c6117
GS
2935};
2936
5f7fde29
GS
2937struct ptr_tbl {
2938 struct ptr_tbl_ent** tbl_ary;
2939 UV tbl_max;
2940 UV tbl_items;
d18c6117
GS
2941};
2942
450a55e4 2943#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2944# define I286
2945#endif
2946
fe14fcc3
LW
2947#if defined(htonl) && !defined(HAS_HTONL)
2948#define HAS_HTONL
ae986130 2949#endif
fe14fcc3
LW
2950#if defined(htons) && !defined(HAS_HTONS)
2951#define HAS_HTONS
ae986130 2952#endif
fe14fcc3
LW
2953#if defined(ntohl) && !defined(HAS_NTOHL)
2954#define HAS_NTOHL
ae986130 2955#endif
fe14fcc3
LW
2956#if defined(ntohs) && !defined(HAS_NTOHS)
2957#define HAS_NTOHS
ae986130 2958#endif
fe14fcc3 2959#ifndef HAS_HTONL
d9d8d8de 2960#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2961#define HAS_HTONS
2962#define HAS_HTONL
2963#define HAS_NTOHS
2964#define HAS_NTOHL
a687059c
LW
2965#define MYSWAP
2966#define htons my_swap
2967#define htonl my_htonl
2968#define ntohs my_swap
2969#define ntohl my_ntohl
2970#endif
2971#else
d9d8d8de 2972#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2973#undef HAS_HTONS
2974#undef HAS_HTONL
2975#undef HAS_NTOHS
2976#undef HAS_NTOHL
a687059c
LW
2977#endif
2978#endif
2979
988174c1
LW
2980/*
2981 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2982 * -DWS
2983 */
2984#if BYTEORDER != 0x1234
2985# define HAS_VTOHL
2986# define HAS_VTOHS
2987# define HAS_HTOVL
2988# define HAS_HTOVS
c67712b2 2989# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2990# define vtohl(x) ((((x)&0xFF)<<24) \
2991 +(((x)>>24)&0xFF) \
2992 +(((x)&0x0000FF00)<<8) \
2993 +(((x)&0x00FF0000)>>8) )
2994# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2995# define htovl(x) vtohl(x)
2996# define htovs(x) vtohs(x)
2997# endif
2998 /* otherwise default to functions in util.c */
2a8c3029 2999#ifndef htovs
c623ac67
GS
3000short htovs(short n);
3001short vtohs(short n);
3002long htovl(long n);
3003long vtohl(long n);
988174c1 3004#endif
2a8c3029 3005#endif
988174c1 3006
3bb7c1b4
JH
3007/* *MAX Plus 1. A floating point value.
3008 Hopefully expressed in a way that dodgy floating point can't mess up.
3009 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3010 is added to it
3011 May find that some broken compiler will want the value cast to I32.
3012 [after the shift, as signed >> may not be as secure as unsigned >>]
3013*/
3014#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3015#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3016/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3017 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3018 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3019*/
3020#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3021
3bb7c1b4
JH
3022#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3023#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3024#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3025
3026/* This may look like unnecessary jumping through hoops, but converting
3027 out of range floating point values to integers *is* undefined behaviour,
3028 and it is starting to bite.
3029*/
3030#ifndef CAST_INLINE
65202027 3031#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3032#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3033#define I_V(what) (cast_iv((NV)(what)))
3034#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3035#else
3036#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3037 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3038 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3039#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3040 : ((n) < U32_MAX_P1 ? (U32) (n) \
3041 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3042#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3043 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3044 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3045#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3046 : ((n) < UV_MAX_P1 ? (UV) (n) \
3047 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3048#endif
3049
3050#define U_S(what) ((U16)U_32(what))
3051#define U_I(what) ((unsigned int)U_32(what))
3052#define U_L(what) U_32(what)
ed6116ce 3053
2d4389e4
JH
3054/* These do not care about the fractional part, only about the range. */
3055#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3056#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3057
25da4f38
IZ
3058/* Used with UV/IV arguments: */
3059 /* XXXX: need to speed it up */
3060#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3061#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3062
352d5a3a
LW
3063#ifndef MAXSYSFD
3064# define MAXSYSFD 2
3065#endif
ee0007ab 3066
79072805 3067#ifndef __cplusplus
27da23d5 3068#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3069Uid_t getuid (void);
3070Uid_t geteuid (void);
3071Gid_t getgid (void);
3072Gid_t getegid (void);
79072805 3073#endif
e1caacb4 3074#endif
8d063cd8 3075
0c30d9ec 3076#ifndef Perl_debug_log
bf49b057
GS
3077# define Perl_debug_log PerlIO_stderr()
3078#endif
3079
3080#ifndef Perl_error_log
3081# define Perl_error_log (PL_stderrgv \
6b78add2 3082 && isGV(PL_stderrgv) \
01bb7c6d 3083 && GvIOp(PL_stderrgv) \
42de951c 3084 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3085 ? IoOFP(GvIOp(PL_stderrgv)) \
3086 : PerlIO_stderr())
0c30d9ec 3087#endif
3967c732 3088
aea4f609
DM
3089
3090#define DEBUG_p_FLAG 0x00000001 /* 1 */
3091#define DEBUG_s_FLAG 0x00000002 /* 2 */
3092#define DEBUG_l_FLAG 0x00000004 /* 4 */
3093#define DEBUG_t_FLAG 0x00000008 /* 8 */
3094#define DEBUG_o_FLAG 0x00000010 /* 16 */
3095#define DEBUG_c_FLAG 0x00000020 /* 32 */
3096#define DEBUG_P_FLAG 0x00000040 /* 64 */
3097#define DEBUG_m_FLAG 0x00000080 /* 128 */
3098#define DEBUG_f_FLAG 0x00000100 /* 256 */
3099#define DEBUG_r_FLAG 0x00000200 /* 512 */
3100#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3101#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3102 /* spare */
aea4f609
DM
3103#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3104#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3105#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3106#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3107#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3108#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3109#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3110#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3111#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3112#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3113#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3114#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3115
3116#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3117#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3118 that something was done? */
aea4f609 3119
bd16a5f0
IZ
3120# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3121# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3122# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3123# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3124# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3125# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3126# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3127# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3128# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3129# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3130# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3131# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3132# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3133# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3134# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3135# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3136# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3137# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3138# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3139# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3140# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3141# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3142# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3143# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3144
3967c732 3145#ifdef DEBUGGING
aea4f609 3146
bd16a5f0
IZ
3147# define DEBUG_p_TEST DEBUG_p_TEST_
3148# define DEBUG_s_TEST DEBUG_s_TEST_
3149# define DEBUG_l_TEST DEBUG_l_TEST_
3150# define DEBUG_t_TEST DEBUG_t_TEST_
3151# define DEBUG_o_TEST DEBUG_o_TEST_
3152# define DEBUG_c_TEST DEBUG_c_TEST_
3153# define DEBUG_P_TEST DEBUG_P_TEST_
3154# define DEBUG_m_TEST DEBUG_m_TEST_
3155# define DEBUG_f_TEST DEBUG_f_TEST_
3156# define DEBUG_r_TEST DEBUG_r_TEST_
3157# define DEBUG_x_TEST DEBUG_x_TEST_
3158# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3159# define DEBUG_H_TEST DEBUG_H_TEST_
3160# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3161# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3162# define DEBUG_D_TEST DEBUG_D_TEST_
3163# define DEBUG_S_TEST DEBUG_S_TEST_
3164# define DEBUG_T_TEST DEBUG_T_TEST_
3165# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3166# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3167# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3168# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3169# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3170# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3171
488b0c7a
JH
3172# define PERL_DEB(a) a
3173# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3174# define DEBUG_p(a) if (DEBUG_p_TEST) a
3175# define DEBUG_s(a) if (DEBUG_s_TEST) a
3176# define DEBUG_l(a) if (DEBUG_l_TEST) a
3177# define DEBUG_t(a) if (DEBUG_t_TEST) a
3178# define DEBUG_o(a) if (DEBUG_o_TEST) a
3179# define DEBUG_c(a) if (DEBUG_c_TEST) a
3180# define DEBUG_P(a) if (DEBUG_P_TEST) a
3181
969058bb
VK
3182 /* Temporarily turn off memory debugging in case the a
3183 * does memory allocation, either directly or indirectly. */
acfe0abc 3184# define DEBUG_m(a) \
0b250b9e 3185 STMT_START { \
aea4f609 3186 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3187 } STMT_END
aea4f609 3188
5f80b19c
AMS
3189# define DEBUG__(t, a) \
3190 STMT_START { \
3191 if (t) STMT_START {a;} STMT_END; \
3192 } STMT_END
3193
3194# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3195# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3196# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3197# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3198# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3199# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3200# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3201# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3202
3db8f154 3203# define DEBUG_S(a)
aea4f609 3204
5f80b19c
AMS
3205# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3206# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3207# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3208# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3209# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3210# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3211
3212#else /* DEBUGGING */
3213
3214# define DEBUG_p_TEST (0)
3215# define DEBUG_s_TEST (0)
3216# define DEBUG_l_TEST (0)
3217# define DEBUG_t_TEST (0)
3218# define DEBUG_o_TEST (0)
3219# define DEBUG_c_TEST (0)
3220# define DEBUG_P_TEST (0)
3221# define DEBUG_m_TEST (0)
3222# define DEBUG_f_TEST (0)
3223# define DEBUG_r_TEST (0)
3224# define DEBUG_x_TEST (0)
3225# define DEBUG_u_TEST (0)
aea4f609
DM
3226# define DEBUG_H_TEST (0)
3227# define DEBUG_X_TEST (0)
dd2155a4 3228# define DEBUG_Xv_TEST (0)
aea4f609
DM
3229# define DEBUG_D_TEST (0)
3230# define DEBUG_S_TEST (0)
3231# define DEBUG_T_TEST (0)
04932ac8 3232# define DEBUG_R_TEST (0)
1045810a 3233# define DEBUG_J_TEST (0)
d6721266 3234# define DEBUG_v_TEST (0)
46187eeb 3235# define DEBUG_C_TEST (0)
ecae49c0
NC
3236# define DEBUG_A_TEST (0)
3237# define DEBUG_q_TEST (0)
aea4f609 3238
488b0c7a
JH
3239# define PERL_DEB(a)
3240# define PERL_DEBUG(a)
aea4f609
DM
3241# define DEBUG_p(a)
3242# define DEBUG_s(a)
3243# define DEBUG_l(a)
3244# define DEBUG_t(a)
3245# define DEBUG_o(a)
3246# define DEBUG_c(a)
3247# define DEBUG_P(a)
3248# define DEBUG_m(a)
3249# define DEBUG_f(a)
3250# define DEBUG_r(a)
3251# define DEBUG_x(a)
3252# define DEBUG_u(a)
aea4f609
DM
3253# define DEBUG_H(a)
3254# define DEBUG_X(a)
dd2155a4 3255# define DEBUG_Xv(a)
aea4f609
DM
3256# define DEBUG_D(a)
3257# define DEBUG_S(a)
3258# define DEBUG_T(a)
04932ac8 3259# define DEBUG_R(a)
d6721266 3260# define DEBUG_v(a)
46187eeb 3261# define DEBUG_C(a)
ecae49c0
NC
3262# define DEBUG_A(a)
3263# define DEBUG_q(a)
aea4f609
DM
3264#endif /* DEBUGGING */
3265
3266
b4ab917c
DM
3267#define DEBUG_SCOPE(where) \
3268 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3269 where, PL_scopestack_ix, __FILE__, __LINE__)));
3270
3271
3272
3273
d1be9408 3274/* These constants should be used in preference to raw characters
14befaf4
DM
3275 * when using magic. Note that some perl guts still assume
3276 * certain character properties of these constants, namely that
3277 * isUPPER() and toLOWER() may do useful mappings.
3278 *
3279 * Update the magic_names table in dump.c when adding/amending these
3280 */
3281
3282#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3283#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3284#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3285#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3286#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3287#define PERL_MAGIC_regdata 'D' /* Regex match position data
3288 (@+ and @- vars) */
3289#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3290#define PERL_MAGIC_env 'E' /* %ENV hash */
3291#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3292#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3293#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3294#define PERL_MAGIC_isa 'I' /* @ISA array */
3295#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3296#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3297#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3298#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3299#define PERL_MAGIC_mutex 'm' /* for lock op */
3300#define PERL_MAGIC_shared 'N' /* Shared between threads */
3301#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3302#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3303#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3304#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3305#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3306#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3307#define PERL_MAGIC_sig 'S' /* %SIG hash */
3308#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3309#define PERL_MAGIC_taint 't' /* Taintedness */
3310#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3311#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3312#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3313#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3314#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3315#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3316#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3317 smart parameter vivification */
3318#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3319#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3320#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3321#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3322#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3323#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3324#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3325#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3326
3327
a6e633de 3328#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3329#define assert(what) PERL_DEB( \
3330 ((what) ? ((void) 0) : \
60b9f5a7
NC
3331 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3332 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3333 PerlProc_exit(1), \
3334 (void) 0)))
a446a88f 3335#endif
8d063cd8 3336
450a55e4 3337struct ufuncs {
24f81a43
DM
3338 I32 (*uf_val)(pTHX_ IV, SV*);
3339 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3340 IV uf_index;
450a55e4
LW
3341};
3342
14befaf4 3343/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3344 * XS code wanting to be backward compatible can do something
3345 * like the following:
c745e42c 3346
24f81a43 3347#ifndef PERL_MG_UFUNC
24f81a43
DM
3348#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3349#endif
3350
3351static PERL_MG_UFUNC(foo_get, index, val)
3352{
3353 sv_setsv(val, ...);
3354 return TRUE;
3355}
3356
3357-- Doug MacEachern
3358
3359*/
3360
fc9c74e6 3361#ifndef PERL_MG_UFUNC
24f81a43 3362#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3363#endif
24f81a43 3364
fe14fcc3 3365/* Fix these up for __STDC__ */
68dc0745 3366#ifndef DONT_DECLARE_STD
20ce7b12 3367char *mktemp (char*);
37bd1396 3368#ifndef atof
20ce7b12 3369double atof (const char*);
a0d0e21e 3370#endif
37bd1396 3371#endif
79072805 3372
352d5a3a 3373#ifndef STANDARD_C
fe14fcc3 3374/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3375Time_t time();
8d063cd8 3376struct tm *gmtime(), *localtime();
092bebab 3377#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3378char *(strchr)(), *(strrchr)();
3379char *(strcpy)(), *(strcat)();
3380#else
93a17b20 3381char *strchr(), *strrchr();
378cc40b 3382char *strcpy(), *strcat();
9d116dd7 3383#endif
352d5a3a 3384#endif /* ! STANDARD_C */
8d063cd8 3385
79072805
LW
3386
3387#ifdef I_MATH
3388# include <math.h>
3389#else
32f822de 3390START_EXTERN_C
20ce7b12
GS
3391 double exp (double);
3392 double log (double);
3393 double log10 (double);
3394 double sqrt (double);
3395 double frexp (double,int*);
3396 double ldexp (double,int);
3397 double modf (double,double*);
3398 double sin (double);
3399 double cos (double);
3400 double atan2 (double,double);
3401 double pow (double,double);
32f822de 3402END_EXTERN_C
79072805
LW
3403#endif
3404
aa8b85de
JH
3405#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3406# define NV_INF LDBL_INFINITY
3407#endif
3408#if !defined(NV_INF) && defined(DBL_INFINITY)
3409# define NV_INF (NV)DBL_INFINITY
3410#endif
3411#if !defined(NV_INF) && defined(INFINITY)
3412# define NV_INF (NV)INFINITY
3413#endif
3414#if !defined(NV_INF) && defined(INF)
3415# define NV_INF (NV)INF
3416#endif
3417#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3418# define NV_INF (NV)HUGE_VALL
3419#endif
3420#if !defined(NV_INF) && defined(HUGE_VAL)
3421# define NV_INF (NV)HUGE_VAL
3422#endif
3423
3424#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3425# if !defined(NV_NAN) && defined(LDBL_NAN)
3426# define NV_NAN LDBL_NAN
3427# endif
3428# if !defined(NV_NAN) && defined(LDBL_QNAN)
3429# define NV_NAN LDBL_QNAN
3430# endif
3431# if !defined(NV_NAN) && defined(LDBL_SNAN)
3432# define NV_NAN LDBL_SNAN
3433# endif
3434#endif
3435#if !defined(NV_NAN) && defined(DBL_NAN)
3436# define NV_NAN (NV)DBL_NAN
3437#endif
3438#if !defined(NV_NAN) && defined(DBL_QNAN)
3439# define NV_NAN (NV)DBL_QNAN
3440#endif
3441#if !defined(NV_NAN) && defined(DBL_SNAN)
3442# define NV_NAN (NV)DBL_SNAN
3443#endif
3444#if !defined(NV_NAN) && defined(QNAN)
3445# define NV_NAN (NV)QNAN
3446#endif
3447#if !defined(NV_NAN) && defined(SNAN)
3448# define NV_NAN (NV)SNAN
3449#endif
3450#if !defined(NV_NAN) && defined(NAN)
3451# define NV_NAN (NV)NAN
3452#endif
3453
a0d0e21e 3454#ifndef __cplusplus
8f1f23e8 3455# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3456char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3457# else
fd8cd3a3 3458# if !defined(WIN32) && !defined(VMS)
10bc17b6 3459#ifndef crypt
20ce7b12 3460char *crypt (const char*, const char*);
10bc17b6 3461#endif
5014db98 3462# endif /* !WIN32 */
8f1f23e8 3463# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3464# ifndef DONT_DECLARE_STD
3465# ifndef getenv
20ce7b12 3466char *getenv (const char*);
26618a56 3467# endif /* !getenv */
28ca6303 3468# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3469# ifdef _FILE_OFFSET_BITS
28ca6303 3470# if _FILE_OFFSET_BITS == 64
20ce7b12 3471Off_t lseek (int,Off_t,int);
0fc67700
JH
3472# endif
3473# endif
bf0c440f 3474# endif
26618a56 3475# endif /* !DONT_DECLARE_STD */
10bc17b6 3476#ifndef getlogin
20ce7b12 3477char *getlogin (void);
10bc17b6 3478#endif
26618a56 3479#endif /* !__cplusplus */
79072805 3480
16d20bd9 3481#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3482#define UNLINK unlnk
6e732051 3483I32 unlnk (const char*);
8d063cd8 3484#else
80252599 3485#define UNLINK PerlLIO_unlink
8d063cd8 3486#endif
a687059c 3487
fa0a29af
JH
3488/* some versions of glibc are missing the setresuid() proto */
3489#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3490int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3491#endif
fa0a29af
JH
3492/* some versions of glibc are missing the setresgid() proto */
3493#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3494int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3495#endif
3496
fe14fcc3 3497#ifndef HAS_SETREUID
85e6fe83
LW
3498# ifdef HAS_SETRESUID
3499# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3500# define HAS_SETREUID
3501# endif
a687059c 3502#endif
fe14fcc3 3503#ifndef HAS_SETREGID
85e6fe83
LW
3504# ifdef HAS_SETRESGID
3505# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3506# define HAS_SETREGID
3507# endif
a687059c 3508#endif
ee0007ab 3509
d543acb6 3510/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3511
3512#ifdef HAS_SIGACTION
3513typedef struct sigaction Sigsave_t;
3514#else
3515typedef Sighandler_t Sigsave_t;
3516#endif
3517
ee0007ab
LW
3518#define SCAN_DEF 0
3519#define SCAN_TR 1
3520#define SCAN_REPL 2
79072805
LW
3521
3522#ifdef DEBUGGING
4633a7c4 3523# ifndef register
a0d0e21e
LW
3524# define register
3525# endif
cea2e8a9 3526# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3527#else
cea2e8a9 3528# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3529#endif
3530
18f739ee 3531#ifdef MYMALLOC
772fe5b3 3532# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3533# define MALLOC_INIT \
3534 STMT_START { \
3535 PL_malloc_mutex = NULL; \
3536 MUTEX_INIT(&PL_malloc_mutex); \
3537 } STMT_END
3538# define MALLOC_TERM \
3539 STMT_START { \
3540 perl_mutex tmp = PL_malloc_mutex; \
3541 PL_malloc_mutex = NULL; \
3542 MUTEX_DESTROY(&tmp); \
3543 } STMT_END
3544# else
3545# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3546# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3547# endif
18f739ee
IZ
3548#else
3549# define MALLOC_INIT
3550# define MALLOC_TERM
3551#endif
3552
b6d9d515 3553
0cb96387 3554typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3555typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3556typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3557typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3558
940cb80d 3559/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3560#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3561
8f1f23e8
W
3562/* NeXT has problems with crt0.o globals */
3563#if defined(__DYNAMIC__) && \
6239f2da 3564 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3565# if defined(NeXT) || defined(__NeXT)
3566# include <mach-o/dyld.h>
3567# define environ (*environ_pointer)
0c30d9ec 3568EXT char *** environ_pointer;
8f1f23e8 3569# else
6239f2da 3570# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3571# include <crt_externs.h> /* for the env array */
3572# define environ (*_NSGetEnviron())
3573# endif
0c30d9ec 3574# endif
8f1f23e8
W
3575#else
3576 /* VMS and some other platforms don't use the environ array */
13b6e58c 3577# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3578# if !defined(DONT_DECLARE_STD) || \
3579 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3580 defined(__sgi) || \
d460ef45 3581 defined(__DGUX)
8f1f23e8 3582extern char ** environ; /* environment variables supplied via exec */
a6c40364 3583# endif
8f1f23e8
W
3584# endif
3585#endif
79072805 3586
73c4f7a1
GS
3587START_EXTERN_C
3588
79072805 3589/* handy constants */
22c35a8c 3590EXTCONST char PL_warn_uninit[]
29489e7c 3591 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3592EXTCONST char PL_warn_nosemi[]
463ee0b2 3593 INIT("Semicolon seems to be missing");
22c35a8c 3594EXTCONST char PL_warn_reserved[]
463ee0b2 3595 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3596EXTCONST char PL_warn_nl[]
93a17b20 3597 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3598EXTCONST char PL_no_wrongref[]
a0d0e21e 3599 INIT("Can't use %s ref as %s ref");
22c35a8c 3600EXTCONST char PL_no_symref[]
748a9306 3601 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3602EXTCONST char PL_no_symref_sv[]
014ead4b 3603 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3604EXTCONST char PL_no_usym[]
8990e307 3605 INIT("Can't use an undefined value as %s reference");
22c35a8c 3606EXTCONST char PL_no_aelem[]
93a17b20 3607 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3608EXTCONST char PL_no_helem_sv[]
3609 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3610EXTCONST char PL_no_modify[]
93a17b20 3611 INIT("Modification of a read-only value attempted");
22c35a8c 3612EXTCONST char PL_no_mem[]
93a17b20 3613 INIT("Out of memory!\n");
22c35a8c 3614EXTCONST char PL_no_security[]
463ee0b2 3615 INIT("Insecure dependency in %s%s");
22c35a8c 3616EXTCONST char PL_no_sock_func[]
93a17b20 3617 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3618EXTCONST char PL_no_dir_func[]
93a17b20 3619 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3620EXTCONST char PL_no_func[]
93a17b20 3621 INIT("The %s function is unimplemented");
22c35a8c 3622EXTCONST char PL_no_myglob[]
748a9306 3623 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3624EXTCONST char PL_no_localize_ref[]
3625 INIT("Can't localize through a reference");
27d5b266
JH
3626#ifdef PERL_MALLOC_WRAP
3627EXTCONST char PL_memory_wrap[]
3628 INIT("panic: memory wrap");
3629#endif
93a17b20 3630
7575fa06 3631EXTCONST char PL_uuemap[65]
80252599
GS
3632 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3633
3634
79072805 3635#ifdef DOINIT
27da23d5
JH
3636EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3637EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3638#else
27da23d5
JH
3639EXTCONST char* const PL_sig_name[];
3640EXTCONST int PL_sig_num[];
79072805
LW
3641#endif
3642
3bd709b1 3643/* fast conversion and case folding tables */
bbce6d69 3644
79072805 3645#ifdef DOINIT
9d116dd7 3646#ifdef EBCDIC
27da23d5 3647EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3648 0, 1, 2, 3, 4, 5, 6, 7,
3649 8, 9, 10, 11, 12, 13, 14, 15,
3650 16, 17, 18, 19, 20, 21, 22, 23,
3651 24, 25, 26, 27, 28, 29, 30, 31,
3652 32, 33, 34, 35, 36, 37, 38, 39,
3653 40, 41, 42, 43, 44, 45, 46, 47,
3654 48, 49, 50, 51, 52, 53, 54, 55,
3655 56, 57, 58, 59, 60, 61, 62, 63,
3656 64, 65, 66, 67, 68, 69, 70, 71,
3657 72, 73, 74, 75, 76, 77, 78, 79,
3658 80, 81, 82, 83, 84, 85, 86, 87,
3659 88, 89, 90, 91, 92, 93, 94, 95,
3660 96, 97, 98, 99, 100, 101, 102, 103,
3661 104, 105, 106, 107, 108, 109, 110, 111,
3662 112, 113, 114, 115, 116, 117, 118, 119,
3663 120, 121, 122, 123, 124, 125, 126, 127,
3664 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3665 'H', 'I', 138, 139, 140, 141, 142, 143,
3666 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3667 'Q', 'R', 154, 155, 156, 157, 158, 159,
3668 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3669 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3670 176, 177, 178, 179, 180, 181, 182, 183,
3671 184, 185, 186, 187, 188, 189, 190, 191,
3672 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3673 'h', 'i', 202, 203, 204, 205, 206, 207,
3674 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3675 'q', 'r', 218, 219, 220, 221, 222, 223,
3676 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3677 'y', 'z', 234, 235, 236, 237, 238, 239,
3678 240, 241, 242, 243, 244, 245, 246, 247,
3679 248, 249, 250, 251, 252, 253, 254, 255
3680};
3681#else /* ascii rather than ebcdic */
22c35a8c 3682EXTCONST unsigned char PL_fold[] = {
79072805
LW
3683 0, 1, 2, 3, 4, 5, 6, 7,
3684 8, 9, 10, 11, 12, 13, 14, 15,
3685 16, 17, 18, 19, 20, 21, 22, 23,
3686 24, 25, 26, 27, 28, 29, 30, 31,
3687 32, 33, 34, 35, 36, 37, 38, 39,
3688 40, 41, 42, 43, 44, 45, 46, 47,
3689 48, 49, 50, 51, 52, 53, 54, 55,
3690 56, 57, 58, 59, 60, 61, 62, 63,
3691 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3692 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3693 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3694 'x', 'y', 'z', 91, 92, 93, 94, 95,
3695 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3696 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3697 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3698 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3699 128, 129, 130, 131, 132, 133, 134, 135,
3700 136, 137, 138, 139, 140, 141, 142, 143,
3701 144, 145, 146, 147, 148, 149, 150, 151,
3702 152, 153, 154, 155, 156, 157, 158, 159,
3703 160, 161, 162, 163, 164, 165, 166, 167,
3704 168, 169, 170, 171, 172, 173, 174, 175,
3705 176, 177, 178, 179, 180, 181, 182, 183,
3706 184, 185, 186, 187, 188, 189, 190, 191,
3707 192, 193, 194, 195, 196, 197, 198, 199,
3708 200, 201, 202, 203, 204, 205, 206, 207,
3709 208, 209, 210, 211, 212, 213, 214, 215,
3710 216, 217, 218, 219, 220, 221, 222, 223,
3711 224, 225, 226, 227, 228, 229, 230, 231,
3712 232, 233, 234, 235, 236, 237, 238, 239,
3713 240, 241, 242, 243, 244, 245, 246, 247,
3714 248, 249, 250, 251, 252, 253, 254, 255
3715};
9d116dd7 3716#endif /* !EBCDIC */
79072805 3717#else
22c35a8c 3718EXTCONST unsigned char PL_fold[];
79072805
LW
3719#endif
3720
27da23d5 3721#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3722#ifdef DOINIT
27da23d5 3723EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3724 0, 1, 2, 3, 4, 5, 6, 7,
3725 8, 9, 10, 11, 12, 13, 14, 15,
3726 16, 17, 18, 19, 20, 21, 22, 23,
3727 24, 25, 26, 27, 28, 29, 30, 31,
3728 32, 33, 34, 35, 36, 37, 38, 39,
3729 40, 41, 42, 43, 44, 45, 46, 47,
3730 48, 49, 50, 51, 52, 53, 54, 55,
3731 56, 57, 58, 59, 60, 61, 62, 63,
3732 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3733 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3734 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3735 'x', 'y', 'z', 91, 92, 93, 94, 95,
3736 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3737 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3738 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3739 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3740 128, 129, 130, 131, 132, 133, 134, 135,
3741 136, 137, 138, 139, 140, 141, 142, 143,
3742 144, 145, 146, 147, 148, 149, 150, 151,
3743 152, 153, 154, 155, 156, 157, 158, 159,
3744 160, 161, 162, 163, 164, 165, 166, 167,
3745 168, 169, 170, 171, 172, 173, 174, 175,
3746 176, 177, 178, 179, 180, 181, 182, 183,
3747 184, 185, 186, 187, 188, 189, 190, 191,
3748 192, 193, 194, 195, 196, 197, 198, 199,
3749 200, 201, 202, 203, 204, 205, 206, 207,
3750 208, 209, 210, 211, 212, 213, 214, 215,
3751 216, 217, 218, 219, 220, 221, 222, 223,
3752 224, 225, 226, 227, 228, 229, 230, 231,
3753 232, 233, 234, 235, 236, 237, 238, 239,
3754 240, 241, 242, 243, 244, 245, 246, 247,
3755 248, 249, 250, 251, 252, 253, 254, 255
3756};
3757#else
27da23d5 3758EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3759#endif
27da23d5 3760#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3761
3762#ifdef DOINIT
9d116dd7 3763#ifdef EBCDIC
27da23d5 3764EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3765 1, 2, 84, 151, 154, 155, 156, 157,
3766 165, 246, 250, 3, 158, 7, 18, 29,
3767 40, 51, 62, 73, 85, 96, 107, 118,
3768 129, 140, 147, 148, 149, 150, 152, 153,
3769 255, 6, 8, 9, 10, 11, 12, 13,
3770 14, 15, 24, 25, 26, 27, 28, 226,
3771 29, 30, 31, 32, 33, 43, 44, 45,
3772 46, 47, 48, 49, 50, 76, 77, 78,
3773 79, 80, 81, 82, 83, 84, 85, 86,
3774 87, 94, 95, 234, 181, 233, 187, 190,
3775 180, 96, 97, 98, 99, 100, 101, 102,
3776 104, 112, 182, 174, 236, 232, 229, 103,
3777 228, 226, 114, 115, 116, 117, 118, 119,
3778 120, 121, 122, 235, 176, 230, 194, 162,
3779 130, 131, 132, 133, 134, 135, 136, 137,
3780 138, 139, 201, 205, 163, 217, 220, 224,
3781 5, 248, 227, 244, 242, 255, 241, 231,
3782 240, 253, 16, 197, 19, 20, 21, 187,
3783 23, 169, 210, 245, 237, 249, 247, 239,
3784 168, 252, 34, 196, 36, 37, 38, 39,
3785 41, 42, 251, 254, 238, 223, 221, 213,
3786 225, 177, 52, 53, 54, 55, 56, 57,
3787 58, 59, 60, 61, 63, 64, 65, 66,
3788 67, 68, 69, 70, 71, 72, 74, 75,
3789 205, 208, 186, 202, 200, 218, 198, 179,
3790 178, 214, 88, 89, 90, 91, 92, 93,
3791 217, 166, 170, 207, 199, 209, 206, 204,
3792 160, 212, 105, 106, 108, 109, 110, 111,
3793 203, 113, 216, 215, 192, 175, 193, 243,
3794 172, 161, 123, 124, 125, 126, 127, 128,
3795 222, 219, 211, 195, 188, 193, 185, 184,
3796 191, 183, 141, 142, 143, 144, 145, 146
3797};
3798#else /* ascii rather than ebcdic */
22c35a8c 3799EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3800 1, 2, 84, 151, 154, 155, 156, 157,
3801 165, 246, 250, 3, 158, 7, 18, 29,
3802 40, 51, 62, 73, 85, 96, 107, 118,
3803 129, 140, 147, 148, 149, 150, 152, 153,
3804 255, 182, 224, 205, 174, 176, 180, 217,
3805 233, 232, 236, 187, 235, 228, 234, 226,
3806 222, 219, 211, 195, 188, 193, 185, 184,
3807 191, 183, 201, 229, 181, 220, 194, 162,
3808 163, 208, 186, 202, 200, 218, 198, 179,
3809 178, 214, 166, 170, 207, 199, 209, 206,
3810 204, 160, 212, 216, 215, 192, 175, 173,
3811 243, 172, 161, 190, 203, 189, 164, 230,
3812 167, 248, 227, 244, 242, 255, 241, 231,
3813 240, 253, 169, 210, 245, 237, 249, 247,
3814 239, 168, 252, 251, 254, 238, 223, 221,
3815 213, 225, 177, 197, 171, 196, 159, 4,
3816 5, 6, 8, 9, 10, 11, 12, 13,
3817 14, 15, 16, 17, 19, 20, 21, 22,
3818 23, 24, 25, 26, 27, 28, 30, 31,
3819 32, 33, 34, 35, 36, 37, 38, 39,
3820 41, 42, 43, 44, 45, 46, 47, 48,
3821 49, 50, 52, 53, 54, 55, 56, 57,
3822 58, 59, 60, 61, 63, 64, 65, 66,
3823 67, 68, 69, 70, 71, 72, 74, 75,
3824 76, 77, 78, 79, 80, 81, 82, 83,
3825 86, 87, 88, 89, 90, 91, 92, 93,
3826 94, 95, 97, 98, 99, 100, 101, 102,
3827 103, 104, 105, 106, 108, 109, 110, 111,
3828 112, 113, 114, 115, 116, 117, 119, 120,
3829 121, 122, 123, 124, 125, 126, 127, 128,
3830 130, 131, 132, 133, 134, 135, 136, 137,
3831 138, 139, 141, 142, 143, 144, 145, 146
3832};
9d116dd7 3833#endif
79072805 3834#else
22c35a8c 3835EXTCONST unsigned char PL_freq[];
79072805
LW
3836#endif
3837
8990e307
LW
3838#ifdef DEBUGGING