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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 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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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
95036ac7
JH
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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SB
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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JH
35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH
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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JH
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
NIS
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
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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)
10bc17b6
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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
JH
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)
af28e889
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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
4373e329
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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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AMS
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
ad73156c
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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)
ad73156c
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219# endif
220#endif
53c1dcc0
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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_
0cb96387
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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_
0cb96387
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254# define aTHXo aTHX
255# define aTHXo_ aTHX_
c5be433b 256# define dTHXo dTHX
71d280e3 257# define dTHXoa(x) dTHXa(x)
0cb96387
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258#endif
259
260#ifndef pTHXx
261# define pTHXx register PerlInterpreter *my_perl
262# define pTHXx_ pTHXx,
0cb96387
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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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JH
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; })" */
728e2803
PP
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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PP
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
55497cff
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
79072805
LW
362#endif
363
364/* Overall memory policy? */
365#ifndef CONSERVATIVE
366# define LIBERAL 1
367#endif
368
8ada0baa
JH
369#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
370#define ASCIIish
371#else
372#undef ASCIIish
373#endif
374
79072805
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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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LW
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
663a0e37
LW
404#endif
405
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NIS
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
a6e633de
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
663a0e37
LW
460#endif
461
8ac5a1fe
MH
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)
8ac5a1fe
MH
466# include <pthread.h>
467#endif
468
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LW
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
760ac839
LW
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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PP
500
501#else /* !USE_NEXT_CTYPE */
fe14fcc3 502#include <ctype.h>
0c30d9ec 503#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
504
505#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
506#undef METHOD
a0d0e21e
LW
507#endif
508
12ae5dfc
JH
509#ifdef PERL_MICRO
510# define NO_LOCALE
511#endif
512
4633a7c4 513#ifdef I_LOCALE
36477c24 514# include <locale.h>
4633a7c4
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
79072805
LW
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
3f270f98
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
27da23d5
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
9a34ef1d
GS
562#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
563# define MYSWAP
564#endif
565
1109a392
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
66a93824
NIS
807/* Cannot include embed.h here on Win32 as win32.h has not
808 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
809 */
96e176bf 810#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
811# include "embed.h"
812#endif
813
c31fac66
GS
814#define MEM_SIZE Size_t
815
1936d2a7
NC
816/* Round all values passed to malloc up, by default to a multiple of
817 sizeof(size_t)
818*/
819#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
820#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
821#endif
822
51371543
GS
823#if defined(STANDARD_C) && defined(I_STDDEF)
824# include <stddef.h>
825# define STRUCT_OFFSET(s,m) offsetof(s,m)
826#else
827# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
828#endif
829
27da23d5
JH
830#ifndef SYMBIAN
831# if defined(I_STRING) || defined(__cplusplus)
832# include <string.h>
833# else
834# include <strings.h>
835# endif
51371543
GS
836#endif
837
55497cff
PP
838/* This comes after <stdlib.h> so we don't try to change the standard
839 * library prototypes; we'll use our own in proto.h instead. */
03a14243 840
4633a7c4 841#ifdef MYMALLOC
86058a2d 842# ifdef PERL_POLLUTE_MALLOC
ee13e175 843# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
844# define Perl_malloc malloc
845# define Perl_calloc calloc
846# define Perl_realloc realloc
847# define Perl_mfree free
ee13e175 848# endif
86058a2d
GS
849# else
850# define EMBEDMYMALLOC /* for compatibility */
851# endif
827e134a 852
651b9576
GS
853# define safemalloc Perl_malloc
854# define safecalloc Perl_calloc
855# define saferealloc Perl_realloc
856# define safefree Perl_mfree
22f7c9c9
JH
857# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
858 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
859 code; \
860 } STMT_END
861# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
862 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
863# define panic_write2(s) write(2, s, strlen(s))
864# define CHECK_MALLOC_TAINT(newval) \
865 CHECK_MALLOC_TOO_LATE_FOR_( \
866 if (newval) { \
867 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
868 exit(1); })
22f7c9c9 869# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 870 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
871 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
872 }} STMT_END;
f2517201
GS
873#else /* MYMALLOC */
874# define safemalloc safesysmalloc
875# define safecalloc safesyscalloc
876# define saferealloc safesysrealloc
877# define safefree safesysfree
22f7c9c9
JH
878# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
879# define CHECK_MALLOC_TAINT(newval) ((void)0)
880# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 881#endif /* MYMALLOC */
4633a7c4 882
27da23d5 883#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
884#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
885#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
886#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
887
a0d0e21e
LW
888#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
889#define strchr index
890#define strrchr rindex
891#endif
892
16d20bd9
AD
893#ifdef I_MEMORY
894# include <memory.h>
895#endif
896
fe14fcc3 897#ifdef HAS_MEMCPY
85e6fe83 898# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 899# ifndef memcpy
20ce7b12 900 extern char * memcpy (char*, char*, int);
ee0007ab
LW
901# endif
902# endif
903#else
904# ifndef memcpy
905# ifdef HAS_BCOPY
906# define memcpy(d,s,l) bcopy(s,d,l)
907# else
908# define memcpy(d,s,l) my_bcopy(s,d,l)
909# endif
910# endif
911#endif /* HAS_MEMCPY */
fe14fcc3 912
ee0007ab 913#ifdef HAS_MEMSET
85e6fe83 914# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 915# ifndef memset
20ce7b12 916 extern char *memset (char*, int, int);
ee0007ab
LW
917# endif
918# endif
ee0007ab 919#else
12ae5dfc 920# undef memset
fc36a67e 921# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
922#endif /* HAS_MEMSET */
923
85e6fe83 924#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 925# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
926# define memmove(d,s,l) bcopy(s,d,l)
927# else
2304df62 928# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 929# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 930# else
79072805 931# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 932# endif
352d5a3a 933# endif
d9d8d8de 934#endif
ee0007ab 935
36477c24
PP
936#if defined(mips) && defined(ultrix) && !defined(__STDC__)
937# undef HAS_MEMCMP
938#endif
939
940#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 941# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 942# ifndef memcmp
20ce7b12 943 extern int memcmp (char*, char*, int);
ee0007ab
LW
944# endif
945# endif
36477c24 946# ifdef BUGGY_MSC
7e4e8c89 947# pragma function(memcmp)
36477c24 948# endif
ee0007ab
LW
949#else
950# ifndef memcmp
ecfc5424 951# define memcmp my_memcmp
352d5a3a 952# endif
36477c24 953#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 954
fc36a67e 955#ifndef memzero
c635e13b
PP
956# ifdef HAS_MEMSET
957# define memzero(d,l) memset(d,0,l)
79072805 958# else
c635e13b
PP
959# ifdef HAS_BZERO
960# define memzero(d,l) bzero(d,l)
79072805 961# else
fc36a67e 962# define memzero(d,l) my_bzero(d,l)
79072805
LW
963# endif
964# endif
d9d8d8de 965#endif
378cc40b 966
2f42fcb0 967#ifndef PERL_MICRO
0f27ced1
JH
968#ifndef memchr
969# ifndef HAS_MEMCHR
970# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
971# endif
972#endif
2f42fcb0 973#endif
0f27ced1 974
36477c24
PP
975#ifndef HAS_BCMP
976# ifndef bcmp
977# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 978# endif
36477c24 979#endif /* !HAS_BCMP */
378cc40b 980
ae986130 981#ifdef I_NETINET_IN
79072805 982# include <netinet/in.h>
ae986130
LW
983#endif
984
28e8609d
JH
985#ifdef I_ARPA_INET
986# include <arpa/inet.h>
987#endif
988
84902520
TB
989#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
990/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
991 * (the neo-BSD seem to do this). */
992# undef SF_APPEND
993#endif
994
1aef975c 995#ifdef I_SYS_STAT
84902520 996# include <sys/stat.h>
1aef975c 997#endif
79072805 998
a0d0e21e
LW
999/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1000 like UTekV) are broken, sometimes giving false positives. Undefine
1001 them here and let the code below set them to proper values.
1002
1003 The ghs macro stands for GreenHills Software C-1.8.5 which
1004 is the C compiler for sysV88 and the various derivatives.
1005 This header file bug is corrected in gcc-2.5.8 and later versions.
1006 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1007
1008#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1009# undef S_ISDIR
1010# undef S_ISCHR
1011# undef S_ISBLK
1012# undef S_ISREG
1013# undef S_ISFIFO
1014# undef S_ISLNK
ee0007ab 1015#endif
135863df 1016
663a0e37
LW
1017#ifdef I_TIME
1018# include <time.h>
ffed7fef 1019#endif
663a0e37 1020
fe14fcc3 1021#ifdef I_SYS_TIME
85e6fe83 1022# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1023# define KERNEL
1024# endif
1025# include <sys/time.h>
85e6fe83 1026# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1027# undef KERNEL
1028# endif
a687059c 1029#endif
135863df 1030
55497cff 1031#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1032# include <sys/times.h>
d9d8d8de 1033#endif
8d063cd8 1034
fe14fcc3 1035#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1036# undef HAS_STRERROR
663a0e37
LW
1037#endif
1038
1039#include <errno.h>
1e743fda 1040
acfe0abc 1041#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1042# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1043#endif
1044
8cfab5ff
JH
1045/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1046 * This is important for using IPv6.
1047 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1048 * a bad idea since it breaks send() and recv(). */
1049#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1050# define _SOCKADDR_LEN
1051#endif
1052
8d3f517a 1053#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1054# include <sys/socket.h>
1055# if defined(USE_SOCKS) && defined(I_SOCKS)
1056# if !defined(INCLUDE_PROTOTYPES)
1057# define INCLUDE_PROTOTYPES /* for <socks.h> */
1058# define PERL_SOCKS_NEED_PROTOTYPES
1059# endif
1060# include <socks.h>
1061# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1062# undef INCLUDE_PROTOTYPES
1063# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1064# endif
d460ef45 1065# endif
1e743fda 1066# ifdef I_NETDB
2986a63f
JH
1067# ifdef NETWARE
1068# include<stdio.h>
1069# endif
1e743fda
JH
1070# include <netdb.h>
1071# endif
1072# ifndef ENOTSOCK
1073# ifdef I_NET_ERRNO
1074# include <net/errno.h>
1075# endif
1076# endif
1077#endif
1078
fa0a29af 1079/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1080 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1081 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1082#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1083# if defined(__THROW) && defined(__GLIBC__)
1084int sockatmark(int) __THROW;
1085# else
2ef53570 1086int sockatmark(int);
29820b6d 1087# endif
2ef53570
JH
1088#endif
1089
1e743fda
JH
1090#ifdef SETERRNO
1091# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1092#endif
f86702cc
PP
1093
1094#ifdef VMS
1095# define SETERRNO(errcode,vmserrcode) \
1096 STMT_START { \
1097 set_errno(errcode); \
1098 set_vaxc_errno(vmserrcode); \
1099 } STMT_END
93189314
JH
1100# define LIB_INVARG LIB$_INVARG
1101# define RMS_DIR RMS$_DIR
1102# define RMS_FAC RMS$_FAC
1103# define RMS_FEX RMS$_FEX
1104# define RMS_FNF RMS$_FNF
1105# define RMS_IFI RMS$_IFI
1106# define RMS_ISI RMS$_ISI
1107# define RMS_PRV RMS$_PRV
1108# define SS_ACCVIO SS$_ACCVIO
1109# define SS_DEVOFFLINE SS$_DEVOFFLINE
1110# define SS_IVCHAN SS$_IVCHAN
1111# define SS_NORMAL SS$_NORMAL
748a9306 1112#else
aba27d88 1113# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1114# define LIB_INVARG 0
1115# define RMS_DIR 0
1116# define RMS_FAC 0
1117# define RMS_FEX 0
1118# define RMS_FNF 0
1119# define RMS_IFI 0
1120# define RMS_ISI 0
1121# define RMS_PRV 0
1122# define SS_ACCVIO 0
1123# define SS_DEVOFFLINE 0
1124# define SS_IVCHAN 0
1125# define SS_NORMAL 0
748a9306 1126#endif
ed6116ce 1127
3db8f154 1128#define ERRSV GvSV(PL_errgv)
e203899d
NC
1129/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1130#define DEFSV GvSVn(PL_defgv)
3db8f154 1131#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1132
98eae8f5
GS
1133#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1134
55497cff 1135#ifndef errno
5ff3f7a4
GS
1136 extern int errno; /* ANSI allows errno to be an lvalue expr.
1137 * For example in multithreaded environments
1138 * something like this might happen:
1139 * extern int *_errno(void);
1140 * #define errno (*_errno()) */
d9d8d8de 1141#endif
663a0e37 1142
2304df62 1143#ifdef HAS_STRERROR
a0d0e21e 1144# ifdef VMS
20ce7b12 1145 char *strerror (int,...);
a0d0e21e 1146# else
68dc0745 1147#ifndef DONT_DECLARE_STD
20ce7b12 1148 char *strerror (int);
68dc0745 1149#endif
a0d0e21e 1150# endif
2304df62
AD
1151# ifndef Strerror
1152# define Strerror strerror
1153# endif
1154#else
1155# ifdef HAS_SYS_ERRLIST
79072805
LW
1156 extern int sys_nerr;
1157 extern char *sys_errlist[];
2304df62
AD
1158# ifndef Strerror
1159# define Strerror(e) \
79072805 1160 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1161# endif
79072805 1162# endif
35c8bce7 1163#endif
663a0e37 1164
2304df62 1165#ifdef I_SYS_IOCTL
79072805
LW
1166# ifndef _IOCTL_
1167# include <sys/ioctl.h>
1168# endif
a687059c
LW
1169#endif
1170
ee0007ab 1171#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1172# ifdef HAS_SOCKETPAIR
1173# undef HAS_SOCKETPAIR
1174# endif
2304df62
AD
1175# ifdef I_NDBM
1176# undef I_NDBM
79072805 1177# endif
a687059c
LW
1178#endif
1179
02fc2eee
NC
1180#ifndef HAS_SOCKETPAIR
1181# ifdef HAS_SOCKET
1182# define socketpair Perl_my_socketpair
1183# endif
1184#endif
1185
a687059c 1186#if INTSIZE == 2
79072805
LW
1187# define htoni htons
1188# define ntohi ntohs
a687059c 1189#else
79072805
LW
1190# define htoni htonl
1191# define ntohi ntohl
a687059c
LW
1192#endif
1193
a0d0e21e 1194/* Configure already sets Direntry_t */
35c8bce7 1195#if defined(I_DIRENT)
663a0e37 1196# include <dirent.h>
8f1f23e8
W
1197 /* NeXT needs dirent + sys/dir.h */
1198# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1199# include <sys/dir.h>
1200# endif
ae986130 1201#else
fe14fcc3 1202# ifdef I_SYS_NDIR
79a0689e 1203# include <sys/ndir.h>
663a0e37 1204# else
fe14fcc3 1205# ifdef I_SYS_DIR
79a0689e
LW
1206# ifdef hp9000s500
1207# include <ndir.h> /* may be wrong in the future */
1208# else
1209# include <sys/dir.h>
1210# endif
663a0e37
LW
1211# endif
1212# endif
4633a7c4 1213#endif
a687059c 1214
12ae5dfc
JH
1215#ifdef PERL_MICRO
1216# ifndef DIR
1217# define DIR void
1218# endif
1219#endif
1220
352d5a3a
LW
1221#ifdef FPUTS_BOTCH
1222/* work around botch in SunOS 4.0.1 and 4.0.2 */
1223# ifndef fputs
79072805 1224# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1225# endif
1226#endif
1227
c623bd54
LW
1228/*
1229 * The following gobbledygook brought to you on behalf of __STDC__.
1230 * (I could just use #ifndef __STDC__, but this is more bulletproof
1231 * in the face of half-implementations.)
1232 */
1233
7114a2d2 1234#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1235#include <sys/mode.h>
1236#endif
1237
c623bd54
LW
1238#ifndef S_IFMT
1239# ifdef _S_IFMT
1240# define S_IFMT _S_IFMT
1241# else
1242# define S_IFMT 0170000
1243# endif
1244#endif
1245
1246#ifndef S_ISDIR
1247# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1248#endif
1249
1250#ifndef S_ISCHR
1251# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1252#endif
1253
1254#ifndef S_ISBLK
fe14fcc3
LW
1255# ifdef S_IFBLK
1256# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1257# else
1258# define S_ISBLK(m) (0)
1259# endif
c623bd54
LW
1260#endif
1261
1262#ifndef S_ISREG
1263# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1264#endif
1265
1266#ifndef S_ISFIFO
fe14fcc3
LW
1267# ifdef S_IFIFO
1268# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1269# else
1270# define S_ISFIFO(m) (0)
1271# endif
c623bd54
LW
1272#endif
1273
1274#ifndef S_ISLNK
1275# ifdef _S_ISLNK
1276# define S_ISLNK(m) _S_ISLNK(m)
1277# else
1278# ifdef _S_IFLNK
1279# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1280# else
1281# ifdef S_IFLNK
1282# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1283# else
1284# define S_ISLNK(m) (0)
1285# endif
1286# endif
1287# endif
1288#endif
1289
1290#ifndef S_ISSOCK
1291# ifdef _S_ISSOCK
1292# define S_ISSOCK(m) _S_ISSOCK(m)
1293# else
1294# ifdef _S_IFSOCK
1295# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1296# else
1297# ifdef S_IFSOCK
1298# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1299# else
1300# define S_ISSOCK(m) (0)
1301# endif
1302# endif
1303# endif
1304#endif
1305
1306#ifndef S_IRUSR
1307# ifdef S_IREAD
1308# define S_IRUSR S_IREAD
1309# define S_IWUSR S_IWRITE
1310# define S_IXUSR S_IEXEC
1311# else
1312# define S_IRUSR 0400
1313# define S_IWUSR 0200
1314# define S_IXUSR 0100
1315# endif
fac7cdfc 1316#endif
1317
1318#ifndef S_IRGRP
1319# ifdef S_IRUSR
1320# define S_IRGRP (S_IRUSR>>3)
1321# define S_IWGRP (S_IWUSR>>3)
1322# define S_IXGRP (S_IXUSR>>3)
1323# else
1324# define S_IRGRP 0040
1325# define S_IWGRP 0020
1326# define S_IXGRP 0010
1327# endif
1328#endif
1329
1330#ifndef S_IROTH
1331# ifdef S_IRUSR
1332# define S_IROTH (S_IRUSR>>6)
1333# define S_IWOTH (S_IWUSR>>6)
1334# define S_IXOTH (S_IXUSR>>6)
1335# else
1336# define S_IROTH 0040
1337# define S_IWOTH 0020
1338# define S_IXOTH 0010
1339# endif
c623bd54
LW
1340#endif
1341
1342#ifndef S_ISUID
1343# define S_ISUID 04000
1344#endif
1345
1346#ifndef S_ISGID
1347# define S_ISGID 02000
1348#endif
1349
ca6e1c26
JH
1350#ifndef S_IRWXU
1351# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1352#endif
ca6e1c26
JH
1353
1354#ifndef S_IRWXG
1355# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1356#endif
ca6e1c26
JH
1357
1358#ifndef S_IRWXO
1359# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1360#endif
ca6e1c26 1361
c21fb2b8
JH
1362/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1363 * which would get included through <sys/file.h >, but that is 3000
1364 * lines in the future. --jhi */
1365
1366#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1367# define S_IREAD S_IRUSR
1368#endif
1369
c21fb2b8 1370#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1371# define S_IWRITE S_IWUSR
1372#endif
1373
1374#ifndef S_IEXEC
1375# define S_IEXEC S_IXUSR
1376#endif
1377
79072805
LW
1378#ifdef ff_next
1379# undef ff_next
352d5a3a
LW
1380#endif
1381
a0d0e21e 1382#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1383# define SLOPPYDIVIDE
1384#endif
1385
748a9306
LW
1386#ifdef UV
1387#undef UV
1388#endif
1389
c89df6bf
JH
1390#ifdef SPRINTF_E_BUG
1391# define sprintf UTS_sprintf_wrap
1392#endif
1393
c495e728
JH
1394/* Configure gets this right but the UTS compiler gets it wrong.
1395 -- Hal Morris <hom00@utsglobal.com> */
1396#ifdef UTS
1397# undef UVTYPE
1398# define UVTYPE unsigned
1399#endif
1400
05f13f53 1401/*
27d4fb96
PP
1402 The IV type is supposed to be long enough to hold any integral
1403 value or a pointer.
1404 --Andy Dougherty August 1996
1405*/
1406
a22e52b9
JH
1407typedef IVTYPE IV;
1408typedef UVTYPE UV;
8175356b 1409
10cc9d2a 1410#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1411# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1412# define IV_MAX INT64_MAX
1413# define IV_MIN INT64_MIN
1414# define UV_MAX UINT64_MAX
cae7ae48
JH
1415# ifndef UINT64_MIN
1416# define UINT64_MIN 0
1417# endif
5ff3f7a4
GS
1418# define UV_MIN UINT64_MIN
1419# else
1420# define IV_MAX PERL_QUAD_MAX
1421# define IV_MIN PERL_QUAD_MIN
1422# define UV_MAX PERL_UQUAD_MAX
1423# define UV_MIN PERL_UQUAD_MIN
1424# endif
cf2093f6
JH
1425# define IV_IS_QUAD
1426# define UV_IS_QUAD
79072805 1427#else
8175356b 1428# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1429# define IV_MAX INT32_MAX
1430# define IV_MIN INT32_MIN
716026f9
DL
1431# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1432# define UV_MAX UINT32_MAX
1433# else
1434# define UV_MAX 4294967295U
1435# endif
cae7ae48
JH
1436# ifndef UINT32_MIN
1437# define UINT32_MIN 0
1438# endif
5ff3f7a4
GS
1439# define UV_MIN UINT32_MIN
1440# else
1441# define IV_MAX PERL_LONG_MAX
1442# define IV_MIN PERL_LONG_MIN
1443# define UV_MAX PERL_ULONG_MAX
1444# define UV_MIN PERL_ULONG_MIN
1445# endif
8175356b 1446# if IVSIZE == 8
cf2093f6
JH
1447# define IV_IS_QUAD
1448# define UV_IS_QUAD
de1c2614
JH
1449# ifndef HAS_QUAD
1450# define HAS_QUAD
1451# endif
cf2093f6
JH
1452# else
1453# undef IV_IS_QUAD
1454# undef UV_IS_QUAD
de1c2614 1455# undef HAS_QUAD
cf2093f6 1456# endif
79072805 1457#endif
d7d93a81 1458
1109a392
MHM
1459#ifndef HAS_QUAD
1460# undef PERL_NEED_MY_HTOLE64
1461# undef PERL_NEED_MY_LETOH64
1462# undef PERL_NEED_MY_HTOBE64
1463# undef PERL_NEED_MY_BETOH64
1464#endif
1465
6cde8aec 1466#if defined(uts) || defined(UTS)
11afe549
HM
1467# undef UV_MAX
1468# define UV_MAX (4294967295u)
20601011
JH
1469#endif
1470
cae7ae48 1471#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1472#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1473
28e5dec8 1474#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1475#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1476#endif
1477
d460ef45 1478/*
26bb67e2
JH
1479 * The macros INT2PTR and NUM2PTR are (despite their names)
1480 * bi-directional: they will convert int/float to or from pointers.
1481 * However the conversion to int/float are named explicitly:
1482 * PTR2IV, PTR2UV, PTR2NV.
1483 *
1484 * For int conversions we do not need two casts if pointers are
1485 * the same size as IV and UV. Otherwise we need an explicit
1486 * cast (PTRV) to avoid compiler warnings.
1487 */
56431972
RB
1488#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1489# define PTRV UV
1490# define INT2PTR(any,d) (any)(d)
1491#else
d460ef45 1492# if PTRSIZE == LONGSIZE
56431972 1493# define PTRV unsigned long
42718184 1494# else
56431972 1495# define PTRV unsigned
42718184 1496# endif
56431972 1497# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1498#endif
56431972
RB
1499#define NUM2PTR(any,d) (any)(PTRV)(d)
1500#define PTR2IV(p) INT2PTR(IV,p)
1501#define PTR2UV(p) INT2PTR(UV,p)
1502#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1503#if PTRSIZE == LONGSIZE
d2560b70
RB
1504# define PTR2ul(p) (unsigned long)(p)
1505#else
1506# define PTR2ul(p) INT2PTR(unsigned long,p)
1507#endif
d460ef45 1508
8141890a
JH
1509/* According to strict ANSI C89 one cannot freely cast between
1510 * data pointers and function (code) pointers. There are at least
1511 * two ways around this. One (used below) is to do two casts,
1512 * first the other pointer to an (unsigned) integer, and then
1513 * the integer to the other pointer. The other way would be
1514 * to use unions to "overlay" the pointers. For an example of
1515 * the latter technique, see union dirpu in struct xpvio in sv.h.
1516 * The only feasible use is probably temporarily storing
1517 * function pointers in a data pointer (such as a void pointer). */
1518
3fbfee08
RB
1519#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
1520#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
8141890a 1521
65202027 1522#ifdef USE_LONG_DOUBLE
1048ea30
JH
1523# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1524# define LONG_DOUBLE_EQUALS_DOUBLE
1525# endif
68d4903c 1526# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1527# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1528# endif
1529#endif
1530
2d4389e4
JH
1531#ifdef OVR_DBL_DIG
1532/* Use an overridden DBL_DIG */
1533# ifdef DBL_DIG
1534# undef DBL_DIG
1535# endif
1536# define DBL_DIG OVR_DBL_DIG
1537#else
1538/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1539 default value for printing floating point numbers in Gconvert
1540 (see config.h). (It also has other uses, such as figuring out if
1541 a given precision of printing can be done with a double instead of
1542 a long double - Allen).
2d4389e4
JH
1543*/
1544#ifdef I_LIMITS
1545#include <limits.h>
1546#endif
1547#ifdef I_FLOAT
1548#include <float.h>
1549#endif
1550#ifndef HAS_DBL_DIG
1551#define DBL_DIG 15 /* A guess that works lots of places */
1552#endif
1553#endif
cbca01e1
JH
1554#ifdef I_FLOAT
1555#include <float.h>
1556#endif
1557#ifndef HAS_DBL_DIG
1558#define DBL_DIG 15 /* A guess that works lots of places */
1559#endif
2d4389e4
JH
1560
1561#ifdef OVR_LDBL_DIG
1562/* Use an overridden LDBL_DIG */
1563# ifdef LDBL_DIG
1564# undef LDBL_DIG
1565# endif
1566# define LDBL_DIG OVR_LDBL_DIG
1567#else
1568/* The following is all to get LDBL_DIG, in order to pick a nice
1569 default value for printing floating point numbers in Gconvert.
1570 (see config.h)
1571*/
68d4903c
JH
1572# ifdef I_LIMITS
1573# include <limits.h>
1574# endif
1575# ifdef I_FLOAT
1576# include <float.h>
1577# endif
1578# ifndef HAS_LDBL_DIG
1579# if LONG_DOUBLESIZE == 10
1580# define LDBL_DIG 18 /* assume IEEE */
1581# else
1582# if LONG_DOUBLESIZE == 12
1583# define LDBL_DIG 18 /* gcc? */
1584# else
1585# if LONG_DOUBLESIZE == 16
1586# define LDBL_DIG 33 /* assume IEEE */
1587# else
1588# if LONG_DOUBLESIZE == DOUBLESIZE
1589# define LDBL_DIG DBL_DIG /* bummer */
1590# endif
1591# endif
1592# endif
1593# endif
1594# endif
2d4389e4
JH
1595#endif
1596
20f6aaab
AS
1597/*
1598 * This is for making sure we have a good DBL_MAX value, if possible,
1599 * either for usage as NV_MAX or for usage in figuring out if we can
1600 * fit a given long double into a double, if bug-fixing makes it
1601 * necessary to do so. - Allen <allens@cpan.org>
1602 */
1603
205f51d8
AS
1604#ifdef I_LIMITS
1605# include <limits.h>
20f6aaab
AS
1606#endif
1607
205f51d8
AS
1608#ifdef I_VALUES
1609# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1610# include <values.h>
1611# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1612# define DBL_MAX MAXDOUBLE
1613# endif
1614# if defined(MINDOUBLE) && !defined(DBL_MIN)
1615# define DBL_MIN MINDOUBLE
1616# endif
1617# endif
1618#endif /* defined(I_VALUES) */
1619
a22e52b9 1620typedef NVTYPE NV;
8175356b 1621
792d8dab
JH
1622#ifdef I_IEEEFP
1623# include <ieeefp.h>
1624#endif
923fc586 1625
65202027 1626#ifdef USE_LONG_DOUBLE
923fc586
JH
1627# ifdef I_SUNMATH
1628# include <sunmath.h>
1629# endif
2d4389e4 1630# define NV_DIG LDBL_DIG
d6c14000
JH
1631# ifdef LDBL_MANT_DIG
1632# define NV_MANT_DIG LDBL_MANT_DIG
1633# endif
06fc1729
JH
1634# ifdef LDBL_MIN
1635# define NV_MIN LDBL_MIN
1636# endif
1637# ifdef LDBL_MAX
1638# define NV_MAX LDBL_MAX
1639# endif
1640# ifdef LDBL_MIN_10_EXP
1641# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1642# endif
1643# ifdef LDBL_MAX_10_EXP
1644# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1645# endif
1646# ifdef LDBL_EPSILON
1647# define NV_EPSILON LDBL_EPSILON
1648# endif
f4a14a62
JH
1649# ifdef LDBL_MAX
1650# define NV_MAX LDBL_MAX
20f6aaab 1651/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1652# else
1653# ifdef HUGE_VALL
1654# define NV_MAX HUGE_VALL
1655# else
1656# ifdef HUGE_VAL
1657# define NV_MAX ((NV)HUGE_VAL)
1658# endif
1659# endif
1660# endif
68d4903c 1661# ifdef HAS_SQRTL
68d4903c
JH
1662# define Perl_cos cosl
1663# define Perl_sin sinl
1664# define Perl_sqrt sqrtl
1665# define Perl_exp expl
1666# define Perl_log logl
1667# define Perl_atan2 atan2l
1668# define Perl_pow powl
1669# define Perl_floor floorl
1bbae031 1670# define Perl_ceil ceill
68d4903c
JH
1671# define Perl_fmod fmodl
1672# endif
a3540c92
JH
1673/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1674# ifdef HAS_MODFL
1675# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1676/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1677 prototype in <math.h> */
1678# ifndef HAS_MODFL_PROTO
a221a8a5 1679EXTERN_C long double modfl(long double, long double *);
51997bc3 1680# endif
03476e8e
JH
1681# else
1682# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1683 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1684# define Perl_modf(x,y) Perl_my_modfl(x,y)
1685# endif
a3540c92
JH
1686# endif
1687# ifdef HAS_FREXPL
dff3e0b8 1688# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1689# else
1690# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1691 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1692# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1693# endif
a3540c92 1694# endif
38dbb4c5 1695# ifndef Perl_isnan
758a5d79
JH
1696# ifdef HAS_ISNANL
1697# define Perl_isnan(x) isnanl(x)
1698# endif
1699# endif
1700# ifndef Perl_isinf
1701# ifdef HAS_FINITEL
1702# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1703# endif
1704# endif
65202027 1705#else
2d4389e4 1706# define NV_DIG DBL_DIG
d6c14000
JH
1707# ifdef DBL_MANT_DIG
1708# define NV_MANT_DIG DBL_MANT_DIG
1709# endif
06fc1729
JH
1710# ifdef DBL_MIN
1711# define NV_MIN DBL_MIN
1712# endif
1713# ifdef DBL_MAX
1714# define NV_MAX DBL_MAX
1715# endif
1716# ifdef DBL_MIN_10_EXP
1717# define NV_MIN_10_EXP DBL_MIN_10_EXP
1718# endif
1719# ifdef DBL_MAX_10_EXP
1720# define NV_MAX_10_EXP DBL_MAX_10_EXP
1721# endif
1722# ifdef DBL_EPSILON
1723# define NV_EPSILON DBL_EPSILON
1724# endif
205f51d8 1725# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1726# define NV_MAX DBL_MAX
1727# define NV_MIN DBL_MIN
1728# else
1729# ifdef HUGE_VAL
1730# define NV_MAX HUGE_VAL
1731# endif
1732# endif
65202027
DS
1733# define Perl_cos cos
1734# define Perl_sin sin
1735# define Perl_sqrt sqrt
1736# define Perl_exp exp
1737# define Perl_log log
1738# define Perl_atan2 atan2
1739# define Perl_pow pow
1740# define Perl_floor floor
1bbae031 1741# define Perl_ceil ceil
65202027 1742# define Perl_fmod fmod
a3540c92 1743# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1744# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1745#endif
1746
1747/* rumor has it that Win32 has _fpclass() */
1748
205f51d8
AS
1749/* SGI has fpclassl... but not with the same result values,
1750 * and it's via a typedef (not via #define), so will need to redo Configure
1751 * to use. Not worth the trouble, IMO, at least until the below is used
1752 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1753 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1754 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1755
758a5d79
JH
1756#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1757# ifdef I_IEEFP
1758# include <ieeefp.h>
1759# endif
1760# ifdef I_FP
1761# include <fp.h>
1762# endif
1763# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1764# define Perl_fp_class() fpclassl(x)
1765# else
1766# define Perl_fp_class() fpclass(x)
1767# endif
1768# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1769# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1770# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1771# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1772# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1773# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1774# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1775# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1776# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1777# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1778# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1779# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1780# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1781# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1782# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1783#endif
1784
7114a2d2 1785#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1786# include <math.h>
1787# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1788# include <fp_class.h>
1789# endif
1790# define Perl_fp_class(x) fp_class(x)
1791# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1792# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1793# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1794# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1795# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1796# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1797# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1798# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1799# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1800# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1801# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1802# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1803# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1804# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1805# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1806#endif
1807
1808#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1809# include <math.h>
1810# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1811# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1812# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1813# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1814# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1815# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1816#endif
1817
1818#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1819# include <math.h>
1820# ifndef _cplusplus
1821# define Perl_fp_class(x) class(x)
1822# else
1823# define Perl_fp_class(x) _class(x)
1824# endif
1825# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1826# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1827# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1828# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1829# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1830# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1831# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1832# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1833# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1834# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1835# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1836# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1837# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1838# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1839# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1840#endif
1841
1842/* rumor has it that Win32 has _isnan() */
1843
1844#ifndef Perl_isnan
a3540c92 1845# ifdef HAS_ISNAN
758a5d79
JH
1846# define Perl_isnan(x) isnan((NV)x)
1847# else
1848# ifdef Perl_fp_class_nan
1849# define Perl_isnan(x) Perl_fp_class_nan(x)
1850# else
1851# ifdef HAS_UNORDERED
1852# define Perl_isnan(x) unordered((x), 0.0)
1853# else
1854# define Perl_isnan(x) ((x)!=(x))
1855# endif
1856# endif
1857# endif
1858#endif
1859
ca6c63e1
JH
1860#ifdef UNDER_CE
1861int isnan(double d);
1862#endif
1863
758a5d79
JH
1864#ifndef Perl_isinf
1865# ifdef HAS_ISINF
1866# define Perl_isinf(x) isinf((NV)x)
a3540c92 1867# else
758a5d79
JH
1868# ifdef Perl_fp_class_inf
1869# define Perl_isinf(x) Perl_fp_class_inf(x)
1870# else
1871# define Perl_isinf(x) ((x)==NV_INF)
1872# endif
1873# endif
1874#endif
1875
1876#ifndef Perl_isfinite
1877# ifdef HAS_FINITE
1878# define Perl_isfinite(x) finite((NV)x)
1879# else
1880# ifdef HAS_ISFINITE
1881# define Perl_isfinite(x) isfinite(x)
1882# else
1883# ifdef Perl_fp_class_finite
1884# define Perl_isfinite(x) Perl_fp_class_finite(x)
1885# else
1886# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1887# endif
1888# endif
a3540c92 1889# endif
65202027
DS
1890#endif
1891
a36244b7
JH
1892/* The default is to use Perl's own atof() implementation (in numeric.c).
1893 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1894 * it is however best to use the native implementation of atof.
1895 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1896 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1897 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1898 * you may need to be using a different function than atof! */
a36244b7
JH
1899
1900#ifndef USE_PERL_ATOF
1901# ifndef _UNICOS
1902# define USE_PERL_ATOF
1903# endif
1904#else
1905# if USE_PERL_ATOF == 0
1906# undef USE_PERL_ATOF
1907# endif
1908#endif
1909
1910#ifdef USE_PERL_ATOF
1911# define Perl_atof(s) Perl_my_atof(s)
1912# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1913#else
1914# define Perl_atof(s) (NV)atof(s)
1915# define Perl_atof2(s, n) ((n) = atof(s))
1916#endif
cf2093f6 1917
d460ef45 1918/* Previously these definitions used hardcoded figures.
760ac839
LW
1919 * It is hoped these formula are more portable, although
1920 * no data one way or another is presently known to me.
1921 * The "PERL_" names are used because these calculated constants
1922 * do not meet the ANSI requirements for LONG_MAX, etc., which
1923 * need to be constants acceptable to #if - kja
1924 * define PERL_LONG_MAX 2147483647L
1925 * define PERL_LONG_MIN (-LONG_MAX - 1)
1926 * define PERL ULONG_MAX 4294967295L
1927 */
1928
1929#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1930# include <limits.h>
760ac839 1931#endif
205f51d8
AS
1932/* Included values.h above if necessary; still including limits.h down here,
1933 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1934
99abf803
PP
1935/*
1936 * Try to figure out max and min values for the integral types. THE CORRECT
1937 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1938 * following hacks are used if neither limits.h or values.h provide them:
1939 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1940 * for types < int: (unsigned TYPE)~(unsigned)0
1941 * The argument to ~ must be unsigned so that later signed->unsigned
1942 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1943 * and it must not be smaller than int because ~ does integral promotion.
1944 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1945 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1946 * The latter is a hack which happens to work on some machines but
1947 * does *not* catch any random system, or things like integer types
1948 * with NaN if that is possible.
1949 *
1950 * All of the types are explicitly cast to prevent accidental loss of
1951 * numeric range, and in the hope that they will be less likely to confuse
1952 * over-eager optimizers.
1953 *
1954 */
27d4fb96 1955
99abf803
PP
1956#define PERL_UCHAR_MIN ((unsigned char)0)
1957
1958#ifdef UCHAR_MAX
1959# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1960#else
99abf803
PP
1961# ifdef MAXUCHAR
1962# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1963# else
99abf803 1964# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1965# endif
1966#endif
d460ef45 1967
99abf803
PP
1968/*
1969 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1970 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1971 * depending on local options. Until Configure detects this (or at least
1972 * detects whether the "signed" keyword is available) the CHAR ranges
1973 * will not be included. UCHAR functions normally.
1974 * - kja
1975 */
27d4fb96 1976
99abf803
PP
1977#define PERL_USHORT_MIN ((unsigned short)0)
1978
1979#ifdef USHORT_MAX
1980# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1981#else
99abf803
PP
1982# ifdef MAXUSHORT
1983# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1984# else
ef2f54b0
CB
1985# ifdef USHRT_MAX
1986# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1987# else
1988# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1989# endif
27d4fb96
PP
1990# endif
1991#endif
1992
27d4fb96 1993#ifdef SHORT_MAX
99abf803 1994# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1995#else
1996# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1997# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1998# else
ef2f54b0
CB
1999# ifdef SHRT_MAX
2000# define PERL_SHORT_MAX ((short)SHRT_MAX)
2001# else
2002# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2003# endif
27d4fb96
PP
2004# endif
2005#endif
2006
2007#ifdef SHORT_MIN
99abf803 2008# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2009#else
2010# ifdef MINSHORT
99abf803 2011# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2012# else
ef2f54b0
CB
2013# ifdef SHRT_MIN
2014# define PERL_SHORT_MIN ((short)SHRT_MIN)
2015# else
2016# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2017# endif
27d4fb96
PP
2018# endif
2019#endif
2020
99abf803
PP
2021#ifdef UINT_MAX
2022# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2023#else
99abf803
PP
2024# ifdef MAXUINT
2025# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2026# else
99abf803 2027# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2028# endif
2029#endif
2030
99abf803 2031#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2032
2033#ifdef INT_MAX
99abf803 2034# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2035#else
2036# ifdef MAXINT /* Often used in <values.h> */
99abf803 2037# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2038# else
99abf803 2039# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2040# endif
2041#endif
2042
2043#ifdef INT_MIN
99abf803 2044# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2045#else
2046# ifdef MININT
99abf803 2047# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2048# else
2049# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2050# endif
2051#endif
2052
99abf803
PP
2053#ifdef ULONG_MAX
2054# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2055#else
99abf803
PP
2056# ifdef MAXULONG
2057# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2058# else
99abf803 2059# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2060# endif
2061#endif
2062
99abf803 2063#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2064
760ac839 2065#ifdef LONG_MAX
99abf803 2066# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2067#else
2068# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2069# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2070# else
99abf803 2071# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2072# endif
2073#endif
2074
2075#ifdef LONG_MIN
99abf803 2076# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2077#else
2078# ifdef MINLONG
99abf803 2079# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2080# else
27d4fb96 2081# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2082# endif
2083#endif
2084
d7d93a81 2085#ifdef UV_IS_QUAD
99abf803 2086
99abf803 2087# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2088# define PERL_UQUAD_MIN ((UV)0)
99abf803 2089# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2090# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2091
79072805
LW
2092#endif
2093
22f7c9c9
JH
2094#ifdef MYMALLOC
2095# include "malloc_ctl.h"
2096#endif
2097
830247a4 2098struct RExC_state_t;
880b20b6 2099
ee0007ab 2100typedef MEM_SIZE STRLEN;
450a55e4 2101
79072805
LW
2102typedef struct op OP;
2103typedef struct cop COP;
2104typedef struct unop UNOP;
2105typedef struct binop BINOP;
2106typedef struct listop LISTOP;
2107typedef struct logop LOGOP;
79072805
LW
2108typedef struct pmop PMOP;
2109typedef struct svop SVOP;
7934575e 2110typedef struct padop PADOP;
79072805 2111typedef struct pvop PVOP;
79072805
LW
2112typedef struct loop LOOP;
2113
93a17b20 2114typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2115
2116/* Amdahl's <ksync.h> has struct sv */
2117/* SGI's <sys/sema.h> has struct sv */
2118#if defined(UTS) || defined(__sgi)
2119# define STRUCT_SV perl_sv
b8d3c5db
JH
2120#else
2121# define STRUCT_SV sv
2122#endif
2123typedef struct STRUCT_SV SV;
79072805
LW
2124typedef struct av AV;
2125typedef struct hv HV;
2126typedef struct cv CV;
378cc40b 2127typedef struct regexp REGEXP;
79072805 2128typedef struct gp GP;
0c30d9ec 2129typedef struct gv GV;
8990e307 2130typedef struct io IO;
c09156bb 2131typedef struct context PERL_CONTEXT;
79072805
LW
2132typedef struct block BLOCK;
2133
2134typedef struct magic MAGIC;
2135typedef struct xpv XPV;
2136typedef struct xpviv XPVIV;
ff68c719 2137typedef struct xpvuv XPVUV;
79072805
LW
2138typedef struct xpvnv XPVNV;
2139typedef struct xpvmg XPVMG;
2140typedef struct xpvlv XPVLV;
2141typedef struct xpvav XPVAV;
2142typedef struct xpvhv XPVHV;
2143typedef struct xpvgv XPVGV;
2144typedef struct xpvcv XPVCV;
2145typedef struct xpvbm XPVBM;
2146typedef struct xpvfm XPVFM;
8990e307 2147typedef struct xpvio XPVIO;
79072805
LW
2148typedef struct mgvtbl MGVTBL;
2149typedef union any ANY;
5f7fde29
GS
2150typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2151typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2152typedef struct clone_params CLONE_PARAMS;
2153
378cc40b 2154#include "handy.h"
a0d0e21e 2155
6b8eaf93 2156#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2157# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2158# define USE_64_BIT_RAWIO /* implicit */
2159# endif
4564133c
JH
2160#endif
2161
6b8eaf93
JH
2162/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2163 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2164 * however, because operating systems like to do that themself. */
2165#ifndef FSEEKSIZE
2166# ifdef HAS_FSEEKO
2167# define FSEEKSIZE LSEEKSIZE
2168# else
2169# define FSEEKSIZE LONGSIZE
d460ef45 2170# endif
6b8eaf93
JH
2171#endif
2172
2173#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2174# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2175# define USE_64_BIT_STDIO /* implicit */
2176# endif
2177#endif
4564133c 2178
09458382 2179#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2180# ifdef HAS_OFF64_T
2181# undef Off_t
2182# define Off_t off64_t
2183# undef LSEEKSIZE
2184# define LSEEKSIZE 8
5ff3f7a4 2185# endif
d9b3e12d
JH
2186/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2187 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2188 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2189# if defined(USE_OPEN64)
2190# define open open64
5ff3f7a4 2191# endif
d9b3e12d
JH
2192# if defined(USE_LSEEK64)
2193# define lseek lseek64
6b8eaf93
JH
2194# else
2195# if defined(USE_LLSEEK)
2196# define lseek llseek
2197# endif
d9b3e12d
JH
2198# endif
2199# if defined(USE_STAT64)
2200# define stat stat64
2201# endif
2202# if defined(USE_FSTAT64)
2203# define fstat fstat64
2204# endif
2205# if defined(USE_LSTAT64)
2206# define lstat lstat64
2207# endif
2208# if defined(USE_FLOCK64)
2209# define flock flock64
2210# endif
2211# if defined(USE_LOCKF64)
2212# define lockf lockf64
2213# endif
2214# if defined(USE_FCNTL64)
2215# define fcntl fcntl64
2216# endif
2217# if defined(USE_TRUNCATE64)
2218# define truncate truncate64
2219# endif
2220# if defined(USE_FTRUNCATE64)
2221# define ftruncate ftruncate64
2222# endif
2223#endif
2224
2225#ifdef USE_64_BIT_STDIO
2226# ifdef HAS_FPOS64_T
2227# undef Fpos_t
2228# define Fpos_t fpos64_t
2229# endif
2230/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2231 * will trigger defines like the ones below. Some 64-bit environments,
2232 * however, do not. */
2233# if defined(USE_FOPEN64)
2234# define fopen fopen64
2235# endif
2236# if defined(USE_FSEEK64)
6b8eaf93 2237# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2238# endif
2239# if defined(USE_FTELL64)
6b8eaf93 2240# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2241# endif
2242# if defined(USE_FSETPOS64)
2243# define fsetpos fsetpos64
2244# endif
2245# if defined(USE_FGETPOS64)
2246# define fgetpos fgetpos64
2247# endif
2248# if defined(USE_TMPFILE64)
2249# define tmpfile tmpfile64
2250# endif
2251# if defined(USE_FREOPEN64)
2252# define freopen freopen64
5ff3f7a4
GS
2253# endif
2254#endif
2255
af8b425d 2256#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2257# include "iperlsys.h"
2258#endif
2259
6f71a643 2260#if defined(__OPEN_VM)
19848b3f
JH
2261# include "vmesa/vmesaish.h"
2262# define ISHISH "vmesa"
6f71a643
JH
2263#endif
2264
748a9306 2265#ifdef DOSISH
19848b3f
JH
2266# if defined(OS2)
2267# include "os2ish.h"
2268# else
2269# include "dosish.h"
2270# endif
2271# define ISHISH "dos"
2272#endif
2273
2274#if defined(VMS)
748a9306 2275# include "vmsish.h"
96e176bf 2276# include "embed.h"
19848b3f
JH
2277# define ISHISH "vms"
2278#endif
2279
2280#if defined(PLAN9)
2281# include "./plan9/plan9ish.h"
2282# define ISHISH "plan9"
2283#endif
2284
2285#if defined(MPE)
2286# include "mpeix/mpeixish.h"
2287# define ISHISH "mpeix"
2288#endif
2289
2290#if defined(__VOS__)
196918b0
PG
2291# ifdef __GNUC__
2292# include "./vos/vosish.h"
2293# else
2294# include "vos/vosish.h"
2295# endif
19848b3f
JH
2296# define ISHISH "vos"
2297#endif
2298
2299#if defined(EPOC)
2300# include "epocish.h"
2301# define ISHISH "epoc"
2302#endif
2303
27da23d5
JH
2304#ifdef SYMBIAN
2305# include "symbian/symbianish.h"
2306# include "embed.h"
2307# define ISHISH "symbian"
2308#endif
2309
19848b3f
JH
2310#if defined(MACOS_TRADITIONAL)
2311# include "macos/macish.h"
2312# ifndef NO_ENVIRON_ARRAY
2313# define NO_ENVIRON_ARRAY
0c30d9ec 2314# endif
19848b3f
JH
2315# define ISHISH "macos classic"
2316#endif
2317
efca5cc6
JH
2318#if defined(__BEOS__)
2319# include "beos/beosish.h"
2320# define ISHISH "beos"
2321#endif
2322
19848b3f
JH
2323#ifndef ISHISH
2324# include "unixish.h"
2325# define ISHISH "unix"
13b6e58c
JH
2326#endif
2327
2328#ifndef NO_ENVIRON_ARRAY
2329# define USE_ENVIRON_ARRAY
2330#endif
32f822de 2331
c77b533b
JH
2332/*
2333 * initialise to avoid floating-point exceptions from overflow, etc
2334 */
2335#ifndef PERL_FPU_INIT
2336# ifdef HAS_FPSETMASK
2337# if HAS_FLOATINGPOINT_H
2338# include <floatingpoint.h>
2339# endif
2340# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2341# else
2f42fcb0 2342# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2343# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2344# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2345# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2346# else
2347# define PERL_FPU_INIT
2f42fcb0 2348
7014c407 2349# endif
c77b533b
JH
2350# endif
2351#endif
b35112e7
CS
2352#ifndef PERL_FPU_PRE_EXEC
2353# define PERL_FPU_PRE_EXEC {
2354# define PERL_FPU_POST_EXEC }
2355#endif
c77b533b 2356
ed344e4f
IZ
2357#ifndef PERL_SYS_INIT3
2358# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2359#endif
2360
be708cc0
JH
2361#ifndef PERL_WRITE_MSG_TO_CONSOLE
2362# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2363#endif
2364
0f31cffe
GS
2365#ifndef MAXPATHLEN
2366# ifdef PATH_MAX
b990c8b2
JH
2367# ifdef _POSIX_PATH_MAX
2368# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2369/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2370 * included the null byte or not. Later amendments of POSIX,
2371 * XPG4, the Austin Group, and the Single UNIX Specification
2372 * all explicitly include the null byte in the PATH_MAX.
2373 * Ditto for _POSIX_PATH_MAX. */
2374# define MAXPATHLEN PATH_MAX
b990c8b2 2375# else
09448d78 2376# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2377# endif
2378# else
2379# define MAXPATHLEN (PATH_MAX+1)
2380# endif
0f31cffe 2381# else
b990c8b2 2382# ifdef _POSIX_PATH_MAX
09448d78 2383# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2384# else
2385# define MAXPATHLEN 1024 /* Err on the large side. */
2386# endif
0f31cffe
GS
2387# endif
2388#endif
2389
c80263a8
SH
2390/* In case Configure was not used (we are using a "canned config"
2391 * such as Win32, or a cross-compilation setup, for example) try going
2392 * by the gcc major and minor versions. One useful URL is
2393 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2394 * but contrary to this information warn_unused_result seems
2395 * not to be in gcc 3.3.5, at least. --jhi
2396 * Set these up now otherwise we get confused when some of the <*thread.h>
2397 * includes below indirectly pull in <perlio.h> (which needs to know if we
2398 * have HASATTRIBUTE_FORMAT).
2399 */
2400
2401#if defined __GNUC__
2402# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2403# define HASATTRIBUTE_FORMAT
2404# endif
2405# if __GNUC__ >= 3 /* 3.0 -> */
2406# define HASATTRIBUTE_MALLOC
2407# endif
2408# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2409# define HASATTRIBUTE_NONNULL
2410# endif
2411# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2412# define HASATTRIBUTE_NORETURN
2413# endif
2414# if __GNUC__ >= 3 /* gcc 3.0 -> */
2415# define HASATTRIBUTE_PURE
2416# endif
2417# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2418# define HASATTRIBUTE_UNUSED
2419# endif
2420# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2421# define HASATTRIBUTE_WARN_UNUSED_RESULT
2422# endif
2423#endif
2424
3db8f154 2425/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2426 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2427 * this results in many functions being undeclared which bothers C++
2428 * May make sense to have threads after "*ish.h" anyway
2429 */
2430
3db8f154 2431#if defined(USE_ITHREADS)
2986a63f
JH
2432# ifdef NETWARE
2433# include <nw5thread.h>
2434# else
32f822de
GS
2435# ifdef FAKE_THREADS
2436# include "fakethr.h"
2437# else
2438# ifdef WIN32
2439# include <win32thread.h>
2440# else
dd96f567
IZ
2441# ifdef OS2
2442# include "os2thread.h"
2443# else
7f3d1cf1 2444# ifdef I_MACH_CTHREADS
bdd66968 2445# include <mach/cthreads.h>
8f1f23e8 2446# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2447# define MUTEX_INIT_CALLS_MALLOC
2448# endif
7f3d1cf1
BH
2449typedef cthread_t perl_os_thread;
2450typedef mutex_t perl_mutex;
2451typedef condition_t perl_cond;
2452typedef void * perl_key;
2453# else /* Posix threads */
1f5ae88c
JH
2454# ifdef I_PTHREAD
2455# include <pthread.h>
2456# endif
7f3d1cf1
BH
2457typedef pthread_t perl_os_thread;
2458typedef pthread_mutex_t perl_mutex;
2459typedef pthread_cond_t perl_cond;
2460typedef pthread_key_t perl_key;
2461# endif /* I_MACH_CTHREADS */
dd96f567 2462# endif /* OS2 */
32f822de
GS
2463# endif /* WIN32 */
2464# endif /* FAKE_THREADS */
2986a63f 2465#endif /* NETWARE */
3db8f154 2466#endif /* USE_ITHREADS */
c5be433b 2467
66a93824 2468#if defined(WIN32)
1feb2720 2469# include "win32.h"
c5be433b
GS
2470#endif
2471
2986a63f
JH
2472#ifdef NETWARE
2473# include "netware.h"
2474#endif
2475
e5218da5 2476#define STATUS_UNIX PL_statusvalue
68dc0745 2477#ifdef VMS
6b88bc9c 2478# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2479# define STATUS_NATIVE_EXPORT \
d98f61e7 2480 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2481# define STATUS_NATIVE_SET(n) \
2482 STMT_START { \
6b88bc9c
GS
2483 PL_statusvalue_vms = (n); \
2484 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2485 PL_statusvalue = -1; \
6b88bc9c 2486 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2487 PL_statusvalue = 0; \
6b88bc9c
GS
2488 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2489 PL_statusvalue = 1 << 8; \
68dc0745 2490 else \
6b88bc9c 2491 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2492 } STMT_END
68dc0745 2493# ifdef VMSISH_STATUS
e5218da5 2494# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2495# else
e5218da5 2496# define STATUS_CURRENT STATUS_UNIX
68dc0745 2497# endif
e5218da5 2498# define STATUS_UNIX_SET(n) \
68dc0745 2499 STMT_START { \
3280af22
NIS
2500 PL_statusvalue = (n); \
2501 if (PL_statusvalue != -1) { \
2502 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2503 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2504 } \
6b88bc9c 2505 else PL_statusvalue_vms = -1; \
68dc0745 2506 } STMT_END
6b88bc9c
GS
2507# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2508# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2509#else
e5218da5
GA
2510# define STATUS_NATIVE PL_statusvalue_posix
2511# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2512# if defined(WCOREDUMP)
2513# define STATUS_NATIVE_SET(n) \
2514 STMT_START { \
2515 PL_statusvalue_posix = (n); \
2516 if (PL_statusvalue_posix == -1) \
2517 PL_statusvalue = -1; \
2518 else { \
2519 PL_statusvalue = \
2520 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2521 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2522 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2523 } \
2524 } STMT_END
2525# elif defined(WIFEXITED)
2526# define STATUS_NATIVE_SET(n) \
2527 STMT_START { \
2528 PL_statusvalue_posix = (n); \
2529 if (PL_statusvalue_posix == -1) \
2530 PL_statusvalue = -1; \
2531 else { \
2532 PL_statusvalue = \
2533 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2534 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2535 } \
2536 } STMT_END
2537# else
2538# define STATUS_NATIVE_SET(n) \
2539 STMT_START { \
2540 PL_statusvalue_posix = (n); \
2541 if (PL_statusvalue_posix == -1) \
2542 PL_statusvalue = -1; \
2543 else { \
2544 PL_statusvalue = \
2545 PL_statusvalue_posix & 0xFFFF; \
2546 } \
2547 } STMT_END
2548# endif
2549# define STATUS_UNIX_SET(n) \
68dc0745 2550 STMT_START { \
3280af22 2551 PL_statusvalue = (n); \
e5218da5 2552 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2553 if (PL_statusvalue != -1) \
2554 PL_statusvalue &= 0xFFFF; \
68dc0745 2555 } STMT_END
e5218da5
GA
2556# define STATUS_CURRENT STATUS_UNIX
2557# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2558# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2559#endif
2560
cc3604b1
GS
2561/* flags in PL_exit_flags for nature of exit() */
2562#define PERL_EXIT_EXPECTED 0x01
31d77e54 2563#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2564
0b94c7bb 2565#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2566# define MEMBER_TO_FPTR(name) name
2567#endif
2568
2569/* format to use for version numbers in file/directory names */
273cf8d1 2570/* XXX move to Configure? */
a7cb1f99 2571#ifndef PERL_FS_VER_FMT
273cf8d1 2572# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2573#endif
2574
45bc9206 2575/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2576 * performance issue, so we allow people to disable it. Also, if
2577 * we are using stdio, there are broken implementations of fflush(NULL)
2578 * out there, Solaris being the most prominent.
45bc9206
GS
2579 */
2580#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2581# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2582# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2583# else
2584# ifdef FFLUSH_ALL
2585# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2586# else
c5be433b 2587# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2588# endif
66fe083f 2589# endif
45bc9206
GS
2590#endif
2591
7766f137
GS
2592#ifndef PERL_WAIT_FOR_CHILDREN
2593# define PERL_WAIT_FOR_CHILDREN NOOP
2594#endif
2595
ba869deb 2596/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2597#ifndef PERL_SET_INTERP
2598# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2599#endif
2600
2601#ifndef PERL_GET_INTERP
2602# define PERL_GET_INTERP (PL_curinterp)
2603#endif
2604
54aff467 2605#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2606# ifdef MULTIPLICITY
ba869deb 2607# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2608# endif
ba869deb
GS
2609# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2610#endif
2611
0dbb1585
AL
2612/* This replaces the previous %_ "hack" by the "%-p" hack
2613 All that is required is that the perl source does not
2614 use "%-p" or "%-<number>p" format. These format will
2615 still work in perl code. RMB 2005/05/17
2616*/
894356b3 2617#ifndef SVf
0dbb1585 2618# define SVf "-p"
894356b3
GS
2619#endif
2620
014ead4b 2621#ifndef SVf_precision
0dbb1585 2622# define SVf_precision(n) "-" n "p"
d2560b70
RB
2623#endif
2624
014ead4b
RB
2625#ifndef SVf32
2626# define SVf32 SVf_precision("32")
2627#endif
2628
2629#ifndef SVf256
2630# define SVf256 SVf_precision("256")
2631#endif
2632
2633#ifndef UVf
2634# define UVf UVuf
d2560b70
RB
2635#endif
2636
5df617be 2637#ifndef DieNull
0dbb1585 2638# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2639#endif
2640
0dbb1585
AL
2641#ifdef HASATTRIBUTE_FORMAT
2642# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2643#endif
2644#ifdef HASATTRIBUTE_MALLOC
77785eea 2645# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2646#endif
0dbb1585 2647#ifdef HASATTRIBUTE_NONNULL
abb2c242 2648# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2649#endif
0dbb1585 2650#ifdef HASATTRIBUTE_NORETURN
abb2c242 2651# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2652#endif
0dbb1585 2653#ifdef HASATTRIBUTE_PURE
abb2c242 2654# define __attribute__pure__ __attribute__((pure))
f22be1b8 2655#endif
0dbb1585
AL
2656#ifdef HASATTRIBUTE_UNUSED
2657# define __attribute__unused__ __attribute__((unused))
2658#endif
2659#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2660# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2661#endif
2662
0dbb1585
AL
2663/* If we haven't defined the attributes yet, define them to blank. */
2664#ifndef __attribute__format__
2665# define __attribute__format__(x,y,z)
2666#endif
f22be1b8 2667#ifndef __attribute__malloc__
abb2c242 2668# define __attribute__malloc__
f22be1b8
JH
2669#endif
2670#ifndef __attribute__nonnull__
abb2c242 2671# define __attribute__nonnull__(a)
f22be1b8
JH
2672#endif
2673#ifndef __attribute__noreturn__
abb2c242 2674# define __attribute__noreturn__
f22be1b8
JH
2675#endif
2676#ifndef __attribute__pure__
abb2c242 2677# define __attribute__pure__
f22be1b8 2678#endif
0dbb1585
AL
2679#ifndef __attribute__unused__
2680# define __attribute__unused__
2681#endif
f22be1b8 2682#ifndef __attribute__warn_unused_result__
abb2c242
JH
2683# define __attribute__warn_unused_result__
2684#endif
2685
0dbb1585
AL
2686/* For functions that are marked as __attribute__noreturn__, it's not
2687 appropriate to call return. In either case, include the lint directive.
2688 */
2689#ifdef HASATTRIBUTE_NORETURN
2690# define NORETURN_FUNCTION_END /* NOT REACHED */
2691#else
2692# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2693#endif
2694
3fc1aec6
PP
2695/* Some unistd.h's give a prototype for pause() even though
2696 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2697 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2698*/
2699#ifdef HAS_PAUSE
2700#define Pause pause
2701#else
2702#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2703#endif
2704
2705#ifndef IOCPARM_LEN
2706# ifdef IOCPARM_MASK
2707 /* on BSDish systes we're safe */
2708# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2709# else
2710 /* otherwise guess at what's safe */
2711# define IOCPARM_LEN(x) 256
2712# endif
a0d0e21e
LW
2713#endif
2714
1761cee5 2715#if defined(__CYGWIN__)
521e0776
GS
2716/* USEMYBINMODE
2717 * This symbol, if defined, indicates that the program should
16fe6d59 2718 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2719 * that a file is in "binary" mode -- that is, that no translation
2720 * of bytes occurs on read or write operations.
2721 */
36894f0b 2722# define USEMYBINMODE /**/
77a40698 2723# include <io.h> /* for setmode() prototype */
16fe6d59 2724# define my_binmode(fp, iotype, mode) \
77a40698 2725 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2726#endif
2727
88d10794
JH
2728#ifdef __CYGWIN__
2729void init_os_extras(void);
2730#endif
2731
cea2e8a9
GS
2732#ifdef UNION_ANY_DEFINITION
2733UNION_ANY_DEFINITION;
2734#else
2735union any {
2736 void* any_ptr;
2737 I32 any_i32;
2738 IV any_iv;
2739 long any_long;
9febdf04 2740 bool any_bool;
c76ac1ee 2741 void (*any_dptr) (void*);
acfe0abc 2742 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2743};
2744#endif
2745
acfe0abc 2746typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2747
2748#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2749#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2750#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2751
c5078cac
JH
2752#if defined(_AIX) && !defined(_AIX43)
2753#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2754/* We cannot include <crypt.h> to get the struct crypt_data
2755 * because of setkey prototype problems when threading */
2756typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2757 /* From OSF, Not needed in AIX
2758 char C[28], D[28];
2759 */
2760 char E[48];
2761 char KS[16][48];
2762 char block[66];
2763 char iobuf[16];
2764} CRYPTD;
2765#endif /* threading */
2766#endif /* AIX */
2767
af8b425d 2768#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2769# include "iperlsys.h"
2770#endif
504f80c1 2771
d10dc2ae
JH
2772/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2773 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2774 * defined by Configure, despite their names being similar to the
2775 * other defines like USE_ITHREADS. Configure in fact knows nothing
2776 * about the randomised hashes. Therefore to enable/disable the hash
2777 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2778#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2779# define USE_HASH_SEED
504f80c1
JH
2780#endif
2781
378cc40b 2782#include "regexp.h"
79072805 2783#include "sv.h"
378cc40b 2784#include "util.h"
8d063cd8 2785#include "form.h"
79072805 2786#include "gv.h"
dd2155a4 2787#include "pad.h"
79072805 2788#include "cv.h"
abdd5c84 2789#include "opnames.h"
79072805
LW
2790#include "op.h"
2791#include "cop.h"
2792#include "av.h"
2793#include "hv.h"
2794#include "mg.h"
2795#include "scope.h"
4438c4b7 2796#include "warnings.h"
a0ed51b3 2797#include "utf8.h"
8d063cd8 2798
7fae4e64
GS
2799/* Current curly descriptor */
2800typedef struct curcur CURCUR;
2801struct curcur {
2802 int parenfloor; /* how far back to strip paren data */
2803 int cur; /* how many instances of scan we've matched */
2804 int min; /* the minimal number of scans to match */
2805 int max; /* the maximal number of scans to match */
2806 int minmod; /* whether to work our way up or down */
2807 regnode * scan; /* the thing to match */
2808 regnode * next; /* what has to match after it */
2809 char * lastloc; /* where we started matching this scan */
2810 CURCUR * oldcc; /* current curly before we started this one */
2811};
2812
2813typedef struct _sublex_info SUBLEXINFO;
2814struct _sublex_info {
2815 I32 super_state; /* lexer state to save */
2816 I32 sub_inwhat; /* "lex_inwhat" to use */
2817 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2818 char *super_bufptr; /* PL_bufptr that was */
2819 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2820};
2821
455ece5e 2822typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2823
2c2d71f5 2824struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2825struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2826
2827typedef I32 CHECKPOINT;
76e3520e 2828
6f51351d
NC
2829/* Keep next first in this structure, because sv_free_arenas take
2830 advantage of this to share code between the pte arenas and the SV
2831 body arenas */
5f7fde29
GS
2832struct ptr_tbl_ent {
2833 struct ptr_tbl_ent* next;
53c1dcc0 2834 const void* oldval;
5f7fde29 2835 void* newval;
d18c6117
GS
2836};
2837
5f7fde29
GS
2838struct ptr_tbl {
2839 struct ptr_tbl_ent** tbl_ary;
2840 UV tbl_max;
2841 UV tbl_items;
d18c6117
GS
2842};
2843
450a55e4 2844#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2845# define I286
2846#endif
2847
fe14fcc3
LW
2848#if defined(htonl) && !defined(HAS_HTONL)
2849#define HAS_HTONL
ae986130 2850#endif
fe14fcc3
LW
2851#if defined(htons) && !defined(HAS_HTONS)
2852#define HAS_HTONS
ae986130 2853#endif
fe14fcc3
LW
2854#if defined(ntohl) && !defined(HAS_NTOHL)
2855#define HAS_NTOHL
ae986130 2856#endif
fe14fcc3
LW
2857#if defined(ntohs) && !defined(HAS_NTOHS)
2858#define HAS_NTOHS
ae986130 2859#endif
fe14fcc3 2860#ifndef HAS_HTONL
d9d8d8de 2861#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2862#define HAS_HTONS
2863#define HAS_HTONL
2864#define HAS_NTOHS
2865#define HAS_NTOHL
a687059c
LW
2866#define MYSWAP
2867#define htons my_swap
2868#define htonl my_htonl
2869#define ntohs my_swap
2870#define ntohl my_ntohl
2871#endif
2872#else
d9d8d8de 2873#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2874#undef HAS_HTONS
2875#undef HAS_HTONL
2876#undef HAS_NTOHS
2877#undef HAS_NTOHL
a687059c
LW
2878#endif
2879#endif
2880
988174c1
LW
2881/*
2882 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2883 * -DWS
2884 */
2885#if BYTEORDER != 0x1234
2886# define HAS_VTOHL
2887# define HAS_VTOHS
2888# define HAS_HTOVL
2889# define HAS_HTOVS
c67712b2 2890# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2891# define vtohl(x) ((((x)&0xFF)<<24) \
2892 +(((x)>>24)&0xFF) \
2893 +(((x)&0x0000FF00)<<8) \
2894 +(((x)&0x00FF0000)>>8) )
2895# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2896# define htovl(x) vtohl(x)
2897# define htovs(x) vtohs(x)
2898# endif
2899 /* otherwise default to functions in util.c */
2a8c3029 2900#ifndef htovs
c623ac67
GS
2901short htovs(short n);
2902short vtohs(short n);
2903long htovl(long n);
2904long vtohl(long n);
988174c1 2905#endif
2a8c3029 2906#endif
988174c1 2907
3bb7c1b4
JH
2908/* *MAX Plus 1. A floating point value.
2909 Hopefully expressed in a way that dodgy floating point can't mess up.
2910 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2911 is added to it
2912 May find that some broken compiler will want the value cast to I32.
2913 [after the shift, as signed >> may not be as secure as unsigned >>]
2914*/
2915#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2916#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2917/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2918 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2919 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2920*/
2921#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2922
3bb7c1b4
JH
2923#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2924#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2925#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2926
2927/* This may look like unnecessary jumping through hoops, but converting
2928 out of range floating point values to integers *is* undefined behaviour,
2929 and it is starting to bite.
2930*/
2931#ifndef CAST_INLINE
65202027 2932#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2933#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2934#define I_V(what) (cast_iv((NV)(what)))
2935#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2936#else
2937#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2938 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2939 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2940#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2941 : ((n) < U32_MAX_P1 ? (U32) (n) \
2942 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2943#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2944 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2945 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2946#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2947 : ((n) < UV_MAX_P1 ? (UV) (n) \
2948 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2949#endif
2950
2951#define U_S(what) ((U16)U_32(what))
2952#define U_I(what) ((unsigned int)U_32(what))
2953#define U_L(what) U_32(what)
ed6116ce 2954
2d4389e4
JH
2955/* These do not care about the fractional part, only about the range. */
2956#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2957#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2958
25da4f38
IZ
2959/* Used with UV/IV arguments: */
2960 /* XXXX: need to speed it up */
2961#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2962#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2963
352d5a3a
LW
2964#ifndef MAXSYSFD
2965# define MAXSYSFD 2
2966#endif
ee0007ab 2967
79072805 2968#ifndef __cplusplus
27da23d5 2969#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2970Uid_t getuid (void);
2971Uid_t geteuid (void);
2972Gid_t getgid (void);
2973Gid_t getegid (void);
79072805 2974#endif
e1caacb4 2975#endif
8d063cd8 2976
0c30d9ec 2977#ifndef Perl_debug_log
bf49b057
GS
2978# define Perl_debug_log PerlIO_stderr()
2979#endif
2980
2981#ifndef Perl_error_log
2982# define Perl_error_log (PL_stderrgv \
6b78add2 2983 && isGV(PL_stderrgv) \
01bb7c6d 2984 && GvIOp(PL_stderrgv) \
42de951c 2985 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2986 ? IoOFP(GvIOp(PL_stderrgv)) \
2987 : PerlIO_stderr())
0c30d9ec 2988#endif
3967c732 2989
aea4f609
DM
2990
2991#define DEBUG_p_FLAG 0x00000001 /* 1 */
2992#define DEBUG_s_FLAG 0x00000002 /* 2 */
2993#define DEBUG_l_FLAG 0x00000004 /* 4 */
2994#define DEBUG_t_FLAG 0x00000008 /* 8 */
2995#define DEBUG_o_FLAG 0x00000010 /* 16 */
2996#define DEBUG_c_FLAG 0x00000020 /* 32 */
2997#define DEBUG_P_FLAG 0x00000040 /* 64 */
2998#define DEBUG_m_FLAG 0x00000080 /* 128 */
2999#define DEBUG_f_FLAG 0x00000100 /* 256 */
3000#define DEBUG_r_FLAG 0x00000200 /* 512 */
3001#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3002#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3003 /* spare */
aea4f609
DM
3004#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3005#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3006#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3007#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3008#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3009#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3010#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3011#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3012#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3013#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3014#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3015#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3016
3017#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3018#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3019 that something was done? */
aea4f609 3020
bd16a5f0
IZ
3021# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3022# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3023# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3024# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3025# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3026# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3027# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3028# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3029# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3030# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3031# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3032# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3033# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3034# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3035# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3036# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3037# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3038# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3039# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3040# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3041# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3042# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3043# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3044# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3045
3967c732 3046#ifdef DEBUGGING
aea4f609 3047
bd16a5f0
IZ
3048# define DEBUG_p_TEST DEBUG_p_TEST_
3049# define DEBUG_s_TEST DEBUG_s_TEST_
3050# define DEBUG_l_TEST DEBUG_l_TEST_
3051# define DEBUG_t_TEST DEBUG_t_TEST_
3052# define DEBUG_o_TEST DEBUG_o_TEST_
3053# define DEBUG_c_TEST DEBUG_c_TEST_
3054# define DEBUG_P_TEST DEBUG_P_TEST_
3055# define DEBUG_m_TEST DEBUG_m_TEST_
3056# define DEBUG_f_TEST DEBUG_f_TEST_
3057# define DEBUG_r_TEST DEBUG_r_TEST_
3058# define DEBUG_x_TEST DEBUG_x_TEST_
3059# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3060# define DEBUG_H_TEST DEBUG_H_TEST_
3061# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3062# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3063# define DEBUG_D_TEST DEBUG_D_TEST_
3064# define DEBUG_S_TEST DEBUG_S_TEST_
3065# define DEBUG_T_TEST DEBUG_T_TEST_
3066# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3067# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3068# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3069# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3070# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3071# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3072
488b0c7a
JH
3073# define PERL_DEB(a) a
3074# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3075# define DEBUG_p(a) if (DEBUG_p_TEST) a
3076# define DEBUG_s(a) if (DEBUG_s_TEST) a
3077# define DEBUG_l(a) if (DEBUG_l_TEST) a
3078# define DEBUG_t(a) if (DEBUG_t_TEST) a
3079# define DEBUG_o(a) if (DEBUG_o_TEST) a
3080# define DEBUG_c(a) if (DEBUG_c_TEST) a
3081# define DEBUG_P(a) if (DEBUG_P_TEST) a
3082
969058bb
VK
3083 /* Temporarily turn off memory debugging in case the a
3084 * does memory allocation, either directly or indirectly. */
acfe0abc 3085# define DEBUG_m(a) \
0b250b9e 3086 STMT_START { \
aea4f609 3087 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3088 } STMT_END
aea4f609 3089
5f80b19c
AMS
3090# define DEBUG__(t, a) \
3091 STMT_START { \
3092 if (t) STMT_START {a;} STMT_END; \
3093 } STMT_END
3094
3095# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3096# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3097# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3098# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3099# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3100# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3101# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3102# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3103
3db8f154 3104# define DEBUG_S(a)
aea4f609 3105
5f80b19c
AMS
3106# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3107# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3108# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3109# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3110# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3111# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3112
3113#else /* DEBUGGING */
3114
3115# define DEBUG_p_TEST (0)
3116# define DEBUG_s_TEST (0)
3117# define DEBUG_l_TEST (0)
3118# define DEBUG_t_TEST (0)
3119# define DEBUG_o_TEST (0)
3120# define DEBUG_c_TEST (0)
3121# define DEBUG_P_TEST (0)
3122# define DEBUG_m_TEST (0)
3123# define DEBUG_f_TEST (0)
3124# define DEBUG_r_TEST (0)
3125# define DEBUG_x_TEST (0)
3126# define DEBUG_u_TEST (0)
aea4f609
DM
3127# define DEBUG_H_TEST (0)
3128# define DEBUG_X_TEST (0)
dd2155a4 3129# define DEBUG_Xv_TEST (0)
aea4f609
DM
3130# define DEBUG_D_TEST (0)
3131# define DEBUG_S_TEST (0)
3132# define DEBUG_T_TEST (0)
04932ac8 3133# define DEBUG_R_TEST (0)
1045810a 3134# define DEBUG_J_TEST (0)
d6721266 3135# define DEBUG_v_TEST (0)
46187eeb 3136# define DEBUG_C_TEST (0)
ecae49c0
NC
3137# define DEBUG_A_TEST (0)
3138# define DEBUG_q_TEST (0)
aea4f609 3139
488b0c7a
JH
3140# define PERL_DEB(a)
3141# define PERL_DEBUG(a)
aea4f609
DM
3142# define DEBUG_p(a)
3143# define DEBUG_s(a)
3144# define DEBUG_l(a)
3145# define DEBUG_t(a)
3146# define DEBUG_o(a)
3147# define DEBUG_c(a)
3148# define DEBUG_P(a)
3149# define DEBUG_m(a)
3150# define DEBUG_f(a)
3151# define DEBUG_r(a)
3152# define DEBUG_x(a)
3153# define DEBUG_u(a)
aea4f609
DM
3154# define DEBUG_H(a)
3155# define DEBUG_X(a)
dd2155a4 3156# define DEBUG_Xv(a)
aea4f609
DM
3157# define DEBUG_D(a)
3158# define DEBUG_S(a)
3159# define DEBUG_T(a)
04932ac8 3160# define DEBUG_R(a)
d6721266 3161# define DEBUG_v(a)
46187eeb 3162# define DEBUG_C(a)
ecae49c0
NC
3163# define DEBUG_A(a)
3164# define DEBUG_q(a)
aea4f609
DM
3165#endif /* DEBUGGING */
3166
3167
b4ab917c
DM
3168#define DEBUG_SCOPE(where) \
3169 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3170 where, PL_scopestack_ix, __FILE__, __LINE__)));
3171
3172
3173
3174
d1be9408 3175/* These constants should be used in preference to raw characters
14befaf4
DM
3176 * when using magic. Note that some perl guts still assume
3177 * certain character properties of these constants, namely that
3178 * isUPPER() and toLOWER() may do useful mappings.
3179 *
3180 * Update the magic_names table in dump.c when adding/amending these
3181 */
3182
3183#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3184#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3185#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3186#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3187#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3188#define PERL_MAGIC_regdata 'D' /* Regex match position data
3189 (@+ and @- vars) */
3190#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3191#define PERL_MAGIC_env 'E' /* %ENV hash */
3192#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3193#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3194#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3195#define PERL_MAGIC_isa 'I' /* @ISA array */
3196#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3197#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3198#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3199#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3200#define PERL_MAGIC_mutex 'm' /* for lock op */
3201#define PERL_MAGIC_shared 'N' /* Shared between threads */
3202#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3203#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3204#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3205#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3206#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3207#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3208#define PERL_MAGIC_sig 'S' /* %SIG hash */
3209#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3210#define PERL_MAGIC_taint 't' /* Taintedness */
3211#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3212#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3213#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3214#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3215#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3216#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3217#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3218 smart parameter vivification */
3219#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3220#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3221#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3222#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3223#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3224#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3225#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3226#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3227
3228
a6e633de 3229#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3230#define assert(what) PERL_DEB( \
3231 ((what) ? ((void) 0) : \
60b9f5a7
NC
3232 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3233 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3234 PerlProc_exit(1), \
3235 (void) 0)))
a446a88f 3236#endif
8d063cd8 3237
450a55e4 3238struct ufuncs {
24f81a43
DM
3239 I32 (*uf_val)(pTHX_ IV, SV*);
3240 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3241 IV uf_index;
450a55e4
LW
3242};
3243
14befaf4 3244/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3245 * XS code wanting to be backward compatible can do something
3246 * like the following:
c745e42c 3247
24f81a43 3248#ifndef PERL_MG_UFUNC
24f81a43
DM
3249#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3250#endif
3251
3252static PERL_MG_UFUNC(foo_get, index, val)
3253{
3254 sv_setsv(val, ...);
3255 return TRUE;
3256}
3257
3258-- Doug MacEachern
3259
3260*/
3261
fc9c74e6 3262#ifndef PERL_MG_UFUNC
24f81a43 3263#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3264#endif
24f81a43 3265
fe14fcc3 3266/* Fix these up for __STDC__ */
68dc0745 3267#ifndef DONT_DECLARE_STD
20ce7b12 3268char *mktemp (char*);
37bd1396 3269#ifndef atof
20ce7b12 3270double atof (const char*);
a0d0e21e 3271#endif
37bd1396 3272#endif
79072805 3273
352d5a3a 3274#ifndef STANDARD_C
fe14fcc3 3275/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3276Time_t time();
8d063cd8 3277struct tm *gmtime(), *localtime();
092bebab 3278#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3279char *(strchr)(), *(strrchr)();
3280char *(strcpy)(), *(strcat)();
3281#else
93a17b20 3282char *strchr(), *strrchr();
378cc40b 3283char *strcpy(), *strcat();
9d116dd7 3284#endif
352d5a3a 3285#endif /* ! STANDARD_C */
8d063cd8 3286
79072805
LW
3287
3288#ifdef I_MATH
3289# include <math.h>
3290#else
32f822de 3291START_EXTERN_C
20ce7b12
GS
3292 double exp (double);
3293 double log (double);
3294 double log10 (double);
3295 double sqrt (double);
3296 double frexp (double,int*);
3297 double ldexp (double,int);
3298 double modf (double,double*);
3299 double sin (double);
3300 double cos (double);
3301 double atan2 (double,double);
3302 double pow (double,double);
32f822de 3303END_EXTERN_C
79072805
LW
3304#endif
3305
aa8b85de
JH
3306#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3307# define NV_INF LDBL_INFINITY
3308#endif
3309#if !defined(NV_INF) && defined(DBL_INFINITY)
3310# define NV_INF (NV)DBL_INFINITY
3311#endif
3312#if !defined(NV_INF) && defined(INFINITY)
3313# define NV_INF (NV)INFINITY
3314#endif
3315#if !defined(NV_INF) && defined(INF)
3316# define NV_INF (NV)INF
3317#endif
3318#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3319# define NV_INF (NV)HUGE_VALL
3320#endif
3321#if !defined(NV_INF) && defined(HUGE_VAL)
3322# define NV_INF (NV)HUGE_VAL
3323#endif
3324
3325#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3326# if !defined(NV_NAN) && defined(LDBL_NAN)
3327# define NV_NAN LDBL_NAN
3328# endif
3329# if !defined(NV_NAN) && defined(LDBL_QNAN)
3330# define NV_NAN LDBL_QNAN
3331# endif
3332# if !defined(NV_NAN) && defined(LDBL_SNAN)
3333# define NV_NAN LDBL_SNAN
3334# endif
3335#endif
3336#if !defined(NV_NAN) && defined(DBL_NAN)
3337# define NV_NAN (NV)DBL_NAN
3338#endif
3339#if !defined(NV_NAN) && defined(DBL_QNAN)
3340# define NV_NAN (NV)DBL_QNAN
3341#endif
3342#if !defined(NV_NAN) && defined(DBL_SNAN)
3343# define NV_NAN (NV)DBL_SNAN
3344#endif
3345#if !defined(NV_NAN) && defined(QNAN)
3346# define NV_NAN (NV)QNAN
3347#endif
3348#if !defined(NV_NAN) && defined(SNAN)
3349# define NV_NAN (NV)SNAN
3350#endif
3351#if !defined(NV_NAN) && defined(NAN)
3352# define NV_NAN (NV)NAN
3353#endif
3354
a0d0e21e 3355#ifndef __cplusplus
8f1f23e8 3356# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3357char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3358# else
fd8cd3a3 3359# if !defined(WIN32) && !defined(VMS)
10bc17b6 3360#ifndef crypt
20ce7b12 3361char *crypt (const char*, const char*);
10bc17b6 3362#endif
5014db98 3363# endif /* !WIN32 */
8f1f23e8 3364# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3365# ifndef DONT_DECLARE_STD
3366# ifndef getenv
20ce7b12 3367char *getenv (const char*);
26618a56 3368# endif /* !getenv */
28ca6303 3369# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3370# ifdef _FILE_OFFSET_BITS
28ca6303 3371# if _FILE_OFFSET_BITS == 64
20ce7b12 3372Off_t lseek (int,Off_t,int);
0fc67700
JH
3373# endif
3374# endif
bf0c440f 3375# endif
26618a56 3376# endif /* !DONT_DECLARE_STD */
10bc17b6 3377#ifndef getlogin
20ce7b12 3378char *getlogin (void);
10bc17b6 3379#endif
26618a56 3380#endif /* !__cplusplus */
79072805 3381
16d20bd9 3382#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3383#define UNLINK unlnk
20ce7b12 3384I32 unlnk (char*);
8d063cd8 3385#else
80252599 3386#define UNLINK PerlLIO_unlink
8d063cd8 3387#endif
a687059c 3388
fa0a29af
JH
3389/* some versions of glibc are missing the setresuid() proto */
3390#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3391int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3392#endif
fa0a29af
JH
3393/* some versions of glibc are missing the setresgid() proto */
3394#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3395int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3396#endif
3397
fe14fcc3 3398#ifndef HAS_SETREUID
85e6fe83
LW
3399# ifdef HAS_SETRESUID
3400# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3401# define HAS_SETREUID
3402# endif
a687059c 3403#endif
fe14fcc3 3404#ifndef HAS_SETREGID
85e6fe83
LW
3405# ifdef HAS_SETRESGID
3406# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3407# define HAS_SETREGID
3408# endif
a687059c 3409#endif
ee0007ab 3410
d543acb6 3411/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3412
3413#ifdef HAS_SIGACTION
3414typedef struct sigaction Sigsave_t;
3415#else
3416typedef Sighandler_t Sigsave_t;
3417#endif
3418
ee0007ab
LW
3419#define SCAN_DEF 0
3420#define SCAN_TR 1
3421#define SCAN_REPL 2
79072805
LW
3422
3423#ifdef DEBUGGING
4633a7c4 3424# ifndef register
a0d0e21e
LW
3425# define register
3426# endif
cea2e8a9 3427# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3428#else
cea2e8a9 3429# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3430#endif
3431
18f739ee 3432#ifdef MYMALLOC
772fe5b3 3433# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3434# define MALLOC_INIT \
3435 STMT_START { \
3436 PL_malloc_mutex = NULL; \
3437 MUTEX_INIT(&PL_malloc_mutex); \
3438 } STMT_END
3439# define MALLOC_TERM \
3440 STMT_START { \
3441 perl_mutex tmp = PL_malloc_mutex; \
3442 PL_malloc_mutex = NULL; \
3443 MUTEX_DESTROY(&tmp); \
3444 } STMT_END
3445# else
3446# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3447# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3448# endif
18f739ee
IZ
3449#else
3450# define MALLOC_INIT
3451# define MALLOC_TERM
3452#endif
3453
b6d9d515 3454
0cb96387 3455typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3456typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3457typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3458typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3459
940cb80d 3460/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3461#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3462
8f1f23e8
W
3463/* NeXT has problems with crt0.o globals */
3464#if defined(__DYNAMIC__) && \
6239f2da 3465 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3466# if defined(NeXT) || defined(__NeXT)
3467# include <mach-o/dyld.h>
3468# define environ (*environ_pointer)
0c30d9ec 3469EXT char *** environ_pointer;
8f1f23e8 3470# else
6239f2da 3471# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3472# include <crt_externs.h> /* for the env array */
3473# define environ (*_NSGetEnviron())
3474# endif
0c30d9ec 3475# endif
8f1f23e8
W
3476#else
3477 /* VMS and some other platforms don't use the environ array */
13b6e58c 3478# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3479# if !defined(DONT_DECLARE_STD) || \
3480 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3481 defined(__sgi) || \
d460ef45 3482 defined(__DGUX)
8f1f23e8 3483extern char ** environ; /* environment variables supplied via exec */
a6c40364 3484# endif
8f1f23e8
W
3485# endif
3486#endif
79072805 3487
73c4f7a1
GS
3488START_EXTERN_C
3489
79072805 3490/* handy constants */
22c35a8c 3491EXTCONST char PL_warn_uninit[]
29489e7c 3492 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3493EXTCONST char PL_warn_nosemi[]
463ee0b2 3494 INIT("Semicolon seems to be missing");
22c35a8c 3495EXTCONST char PL_warn_reserved[]
463ee0b2 3496 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3497EXTCONST char PL_warn_nl[]
93a17b20 3498 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3499EXTCONST char PL_no_wrongref[]
a0d0e21e 3500 INIT("Can't use %s ref as %s ref");
22c35a8c 3501EXTCONST char PL_no_symref[]
748a9306 3502 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3503EXTCONST char PL_no_symref_sv[]
014ead4b 3504 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3505EXTCONST char PL_no_usym[]
8990e307 3506 INIT("Can't use an undefined value as %s reference");
22c35a8c 3507EXTCONST char PL_no_aelem[]
93a17b20 3508 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3509EXTCONST char PL_no_helem_sv[]
3510 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3511EXTCONST char PL_no_modify[]
93a17b20 3512 INIT("Modification of a read-only value attempted");
22c35a8c 3513EXTCONST char PL_no_mem[]
93a17b20 3514 INIT("Out of memory!\n");
22c35a8c 3515EXTCONST char PL_no_security[]
463ee0b2 3516 INIT("Insecure dependency in %s%s");
22c35a8c 3517EXTCONST char PL_no_sock_func[]
93a17b20 3518 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3519EXTCONST char PL_no_dir_func[]
93a17b20 3520 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3521EXTCONST char PL_no_func[]
93a17b20 3522 INIT("The %s function is unimplemented");
22c35a8c 3523EXTCONST char PL_no_myglob[]
748a9306 3524 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3525EXTCONST char PL_no_localize_ref[]
3526 INIT("Can't localize through a reference");
27d5b266
JH
3527#ifdef PERL_MALLOC_WRAP
3528EXTCONST char PL_memory_wrap[]
3529 INIT("panic: memory wrap");
3530#endif
93a17b20 3531
7575fa06 3532EXTCONST char PL_uuemap[65]
80252599
GS
3533 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3534
3535
79072805 3536#ifdef DOINIT
27da23d5
JH
3537EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3538EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3539#else
27da23d5
JH
3540EXTCONST char* const PL_sig_name[];
3541EXTCONST int PL_sig_num[];
79072805
LW
3542#endif
3543
3bd709b1 3544/* fast conversion and case folding tables */
bbce6d69 3545
79072805 3546#ifdef DOINIT
9d116dd7 3547#ifdef EBCDIC
27da23d5 3548EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3549 0, 1, 2, 3, 4, 5, 6, 7,
3550 8, 9, 10, 11, 12, 13, 14, 15,
3551 16, 17, 18, 19, 20, 21, 22, 23,
3552 24, 25, 26, 27, 28, 29, 30, 31,
3553 32, 33, 34, 35, 36, 37, 38, 39,
3554 40, 41, 42, 43, 44, 45, 46, 47,
3555 48, 49, 50, 51, 52, 53, 54, 55,
3556 56, 57, 58, 59, 60, 61, 62, 63,
3557 64, 65, 66, 67, 68, 69, 70, 71,
3558 72, 73, 74, 75, 76, 77, 78, 79,
3559 80, 81, 82, 83, 84, 85, 86, 87,
3560 88, 89, 90, 91, 92, 93, 94, 95,
3561 96, 97, 98, 99, 100, 101, 102, 103,
3562 104, 105, 106, 107, 108, 109, 110, 111,
3563 112, 113, 114, 115, 116, 117, 118, 119,
3564 120, 121, 122, 123, 124, 125, 126, 127,
3565 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3566 'H', 'I', 138, 139, 140, 141, 142, 143,
3567 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3568 'Q', 'R', 154, 155, 156, 157, 158, 159,
3569 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3570 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3571 176, 177, 178, 179, 180, 181, 182, 183,
3572 184, 185, 186, 187, 188, 189, 190, 191,
3573 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3574 'h', 'i', 202, 203, 204, 205, 206, 207,
3575 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3576 'q', 'r', 218, 219, 220, 221, 222, 223,
3577 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3578 'y', 'z', 234, 235, 236, 237, 238, 239,
3579 240, 241, 242, 243, 244, 245, 246, 247,
3580 248, 249, 250, 251, 252, 253, 254, 255
3581};
3582#else /* ascii rather than ebcdic */
22c35a8c 3583EXTCONST unsigned char PL_fold[] = {
79072805
LW
3584 0, 1, 2, 3, 4, 5, 6, 7,
3585 8, 9, 10, 11, 12, 13, 14, 15,
3586 16, 17, 18, 19, 20, 21, 22, 23,
3587 24, 25, 26, 27, 28, 29, 30, 31,
3588 32, 33, 34, 35, 36, 37, 38, 39,
3589 40, 41, 42, 43, 44, 45, 46, 47,
3590 48, 49, 50, 51, 52, 53, 54, 55,
3591 56, 57, 58, 59, 60, 61, 62, 63,
3592 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3593 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3594 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3595 'x', 'y', 'z', 91, 92, 93, 94, 95,
3596 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3597 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3598 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3599 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3600 128, 129, 130, 131, 132, 133, 134, 135,
3601 136, 137, 138, 139, 140, 141, 142, 143,
3602 144, 145, 146, 147, 148, 149, 150, 151,
3603 152, 153, 154, 155, 156, 157, 158, 159,
3604 160, 161, 162, 163, 164, 165, 166, 167,
3605 168, 169, 170, 171, 172, 173, 174, 175,
3606 176, 177, 178, 179, 180, 181, 182, 183,
3607 184, 185, 186, 187, 188, 189, 190, 191,
3608 192, 193, 194, 195, 196, 197, 198, 199,
3609 200, 201, 202, 203, 204, 205, 206, 207,
3610 208, 209, 210, 211, 212, 213, 214, 215,
3611 216, 217, 218, 219, 220, 221, 222, 223,
3612 224, 225, 226, 227, 228, 229, 230, 231,
3613 232, 233, 234, 235, 236, 237, 238, 239,
3614 240, 241, 242, 243, 244, 245, 246, 247,
3615 248, 249, 250, 251, 252, 253, 254, 255
3616};
9d116dd7 3617#endif /* !EBCDIC */
79072805 3618#else
22c35a8c 3619EXTCONST unsigned char PL_fold[];
79072805
LW
3620#endif
3621
27da23d5 3622#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3623#ifdef DOINIT
27da23d5 3624EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3625 0, 1, 2, 3, 4, 5, 6, 7,
3626 8, 9, 10, 11, 12, 13, 14, 15,
3627 16, 17, 18, 19, 20, 21, 22, 23,
3628 24, 25, 26, 27, 28, 29, 30, 31,
3629 32, 33, 34, 35, 36, 37, 38, 39,
3630 40, 41, 42, 43, 44, 45, 46, 47,
3631 48, 49, 50, 51, 52, 53, 54, 55,
3632 56, 57, 58, 59, 60, 61, 62, 63,
3633 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3634 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3635 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3636 'x', 'y', 'z', 91, 92, 93, 94, 95,
3637 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3638 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3639 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3640 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3641 128, 129, 130, 131, 132, 133, 134, 135,
3642 136, 137, 138, 139, 140, 141, 142, 143,
3643 144, 145, 146, 147, 148, 149, 150, 151,
3644 152, 153, 154, 155, 156, 157, 158, 159,
3645 160, 161, 162, 163, 164, 165, 166, 167,
3646 168, 169, 170, 171, 172, 173, 174, 175,
3647 176, 177, 178, 179, 180, 181, 182, 183,
3648 184, 185, 186, 187, 188, 189, 190, 191,
3649 192, 193, 194, 195, 196, 197, 198, 199,
3650 200, 201, 202, 203, 204, 205, 206, 207,
3651 208, 209, 210, 211, 212, 213, 214, 215,
3652 216, 217, 218, 219, 220, 221, 222, 223,
3653 224, 225, 226, 227, 228, 229, 230, 231,
3654 232, 233, 234, 235, 236, 237, 238, 239,
3655 240, 241, 242, 243, 244, 245, 246, 247,
3656 248, 249, 250, 251, 252, 253, 254, 255
3657};
3658#else
27da23d5 3659EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3660#endif
27da23d5 3661#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3662
3663#ifdef DOINIT
9d116dd7 3664#ifdef EBCDIC
27da23d5 3665EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3666 1, 2, 84, 151, 154, 155, 156, 157,
3667 165, 246, 250, 3, 158, 7, 18, 29,
3668 40, 51, 62, 73, 85, 96, 107, 118,
3669 129, 140, 147, 148, 149, 150, 152, 153,
3670 255, 6, 8, 9, 10, 11, 12, 13,
3671 14, 15, 24, 25, 26, 27, 28, 226,
3672 29, 30, 31, 32, 33, 43, 44, 45,
3673 46, 47, 48, 49, 50, 76, 77, 78,
3674 79, 80, 81, 82, 83, 84, 85, 86,
3675 87, 94, 95, 234, 181, 233, 187, 190,
3676 180, 96, 97, 98, 99, 100, 101, 102,
3677 104, 112, 182, 174, 236, 232, 229, 103,
3678 228, 226, 114, 115, 116, 117, 118, 119,
3679 120, 121, 122, 235, 176, 230, 194, 162,
3680 130, 131, 132, 133, 134, 135, 136, 137,
3681 138, 139, 201, 205, 163, 217, 220, 224,
3682 5, 248, 227, 244, 242, 255, 241, 231,
3683 240, 253, 16, 197, 19, 20, 21, 187,
3684 23, 169, 210, 245, 237, 249, 247, 239,
3685 168, 252, 34, 196, 36, 37, 38, 39,
3686 41, 42, 251, 254, 238, 223, 221, 213,
3687 225, 177, 52, 53, 54, 55, 56, 57,
3688 58, 59, 60, 61, 63, 64, 65, 66,
3689 67, 68, 69, 70, 71, 72, 74, 75,
3690 205, 208, 186, 202, 200, 218, 198, 179,
3691 178, 214, 88, 89, 90, 91, 92, 93,
3692 217, 166, 170, 207, 199, 209, 206, 204,
3693 160, 212, 105, 106, 108, 109, 110, 111,
3694 203, 113, 216, 215, 192, 175, 193, 243,
3695 172, 161, 123, 124, 125, 126, 127, 128,
3696 222, 219, 211, 195, 188, 193, 185, 184,
3697 191, 183, 141, 142, 143, 144, 145, 146
3698};
3699#else /* ascii rather than ebcdic */
22c35a8c 3700EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3701 1, 2, 84, 151, 154, 155, 156, 157,
3702 165, 246, 250, 3, 158, 7, 18, 29,
3703 40, 51, 62, 73, 85, 96, 107, 118,
3704 129, 140, 147, 148, 149, 150, 152, 153,
3705 255, 182, 224, 205, 174, 176, 180, 217,
3706 233, 232, 236, 187, 235, 228, 234, 226,
3707 222, 219, 211, 195, 188, 193, 185, 184,
3708 191, 183, 201, 229, 181, 220, 194, 162,
3709 163, 208, 186, 202, 200, 218, 198, 179,
3710 178, 214, 166, 170, 207, 199, 209, 206,
3711 204, 160, 212, 216, 215, 192, 175, 173,
3712 243, 172, 161, 190, 203, 189, 164, 230,
3713 167, 248, 227, 244, 242, 255, 241, 231,
3714 240, 253, 169, 210, 245, 237, 249, 247,
3715 239, 168, 252, 251, 254, 238, 223, 221,
3716 213, 225, 177, 197, 171, 196, 159, 4,
3717 5, 6, 8, 9, 10, 11, 12, 13,
3718 14, 15, 16, 17, 19, 20, 21, 22,
3719 23, 24, 25, 26, 27, 28, 30, 31,
3720 32, 33, 34, 35, 36, 37, 38, 39,
3721 41, 42, 43, 44, 45, 46, 47, 48,
3722 49, 50, 52, 53, 54, 55, 56, 57,
3723 58, 59, 60, 61, 63, 64, 65, 66,
3724 67, 68, 69, 70, 71, 72, 74, 75,
3725 76, 77, 78, 79, 80, 81, 82, 83,
3726 86, 87, 88, 89, 90, 91, 92, 93,
3727 94, 95, 97, 98, 99, 100, 101, 102,
3728 103, 104, 105, 106, 108, 109, 110, 111,
3729 112, 113, 114, 115, 116, 117, 119, 120,
3730 121, 122, 123, 124, 125, 126, 127, 128,
3731 130, 131, 132, 133, 134, 135, 136, 137,
3732 138, 139, 141, 142, 143, 144, 145, 146
3733};
9d116dd7 3734#endif
79072805 3735#else
22c35a8c 3736EXTCONST unsigned char PL_freq[];
79072805
LW
3737#endif
3738
8990e307
LW
3739#ifdef DEBUGGING
3740#ifdef DOINIT
27da23d5 3741EXTCONST char* const PL_block_type[] = {
8990e307
LW
3742 "NULL",
3743 "SUB",
3744 "EVAL",
3745 "LOOP",
3746 "SUBST",
3747 "BLOCK",
3748};
3749#else
22c35a8c 3750EXTCONST char* PL_block_type[];
8990e307
LW
3751#endif
3752#endif
3753
73c4f7a1
GS
3754END_EXTERN_C
3755
79072805
LW
3756/*****************************************************************************/
3757/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3758/*****************************************************************************/
8990e307 3759/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3760
d4c3c482 3761#ifdef __Lynx__
9cffb111
OS
3762/* LynxOS defines these in scsi.h which is included via ioctl.h */
3763#ifdef FORMAT
3764#undef FORMAT
3765#endif
3766#ifdef SPACE
3767#undef SPACE
3768#endif
d4c3c482 3769#endif
9cffb111 3770
1fd33325
MHM
3771/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3772 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3773 * it's not really needed.
3774 */
3775#if defined(WIN32)
3776# define YYTOKENTYPE
3777#endif
a0d0e21e
LW
3778#include "perly.h"
3779
fb73857a
PP
3780#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3781
79072805
LW
3782typedef enum {
3783 XOPERATOR,
3784 XTERM,
79072805 3785 XREF,
8990e307 3786 XSTATE,
a0d0e21e 3787 XBLOCK,
09bef843
SB
3788 XATTRBLOCK,
3789 XATTRTERM,
6f33ba73
RGS
3790 XTERMBLOCK,
3791 XTERMORDORDOR /* evil hack */
27308ded 3792 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3793} expectation;
3794
dc9e4912
GS
3795enum { /* pass one of these to get_vtbl */
3796 want_vtbl_sv,
3797 want_vtbl_env,
3798 want_vtbl_envelem,
3799 want_vtbl_sig,
3800 want_vtbl_sigelem,
3801 want_vtbl_pack,
3802 want_vtbl_packelem,
3803 want_vtbl_dbline,
3804 want_vtbl_isa,
3805 want_vtbl_isaelem,
3806 want_vtbl_arylen,
3807 want_vtbl_glob,
3808 want_vtbl_mglob,
3809 want_vtbl_nkeys,
3810 want_vtbl_taint,
3811 want_vtbl_substr,
3812 want_vtbl_vec,
3813 want_vtbl_pos,
3814 want_vtbl_bm,
3815 want_vtbl_fm,
3816 want_vtbl_uvar,
3817 want_vtbl_defelem,
3818 want_vtbl_regexp,
3819 want_vtbl_collxfrm,
3820 want_vtbl_amagic,
3821 want_vtbl_amagicelem,
dc9e4912 3822 want_vtbl_regdata,
810b8aa5 3823 want_vtbl_regdatum,
7e8c5dac 3824 want_vtbl_backref,
8d2f4536 3825 want_vtbl_utf8,
83bf042f
NC
3826 want_vtbl_symtab,