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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
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
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54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
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58# define MULTIPLICITY
59# endif
60#endif
61
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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109# define USE_REENTRANT_API
110#endif
111
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
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202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
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207#endif
208
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209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 212 */
53c1dcc0 213#ifndef PERL_UNUSED_ARG
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214# ifdef lint
215# include <note.h>
53c1dcc0 216# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 217# else
53c1dcc0 218# define PERL_UNUSED_ARG(x) ((void)x)
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219# endif
220#endif
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221#ifndef PERL_UNUSED_VAR
222# define PERL_UNUSED_VAR(x) ((void)x)
223#endif
ad73156c 224
0cb96387 225#define NOOP (void)0
44dbb695 226#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 227
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228#ifndef pTHX
229# define pTHX void
230# define pTHX_
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_
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254# define aTHXo aTHX
255# define aTHXo_ aTHX_
c5be433b 256# define dTHXo dTHX
71d280e3 257# define dTHXoa(x) dTHXa(x)
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258#endif
259
260#ifndef pTHXx
261# define pTHXx register PerlInterpreter *my_perl
262# define pTHXx_ pTHXx,
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263# define aTHXx my_perl
264# define aTHXx_ aTHXx,
c5be433b 265# define dTHXx dTHX
22c35a8c 266#endif
71be2cbc 267
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268/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
269 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
270 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
271#ifdef PERL_IMPLICIT_SYS
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272# ifdef PERL_GLOBAL_STRUCT_PRIVATE
273# define dTHXs dVAR; dTHX
274# else
275# define dTHXs dTHX
276# endif
1de7c2ac 277#else
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278# ifdef PERL_GLOBAL_STRUCT_PRIVATE
279# define dTHXs dVAR
280# else
281# define dTHXs dNOOP
282# endif
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283#endif
284
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285#undef START_EXTERN_C
286#undef END_EXTERN_C
287#undef EXTERN_C
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288#ifdef __cplusplus
289# define START_EXTERN_C extern "C" {
290# define END_EXTERN_C }
291# define EXTERN_C extern "C"
292#else
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293# define START_EXTERN_C
294# define END_EXTERN_C
73c4f7a1 295# define EXTERN_C extern
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296#endif
297
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298/* Some platforms require marking function declarations
299 * for them to be exportable. Used in perlio.h, proto.h
300 * is handled either by the makedef.pl or by defining the
301 * PERL_CALLCONV to be something special. See also the
302 * definition of XS() in XSUB.h. */
303#ifndef PERL_EXPORT_C
304# define PERL_EXPORT_C extern
305#endif
306#ifndef PERL_XS_EXPORT_C
307# define PERL_XS_EXPORT_C
308#endif
309
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310#ifdef OP_IN_REGISTER
311# ifdef __GNUC__
312# define stringify_immed(s) #s
313# define stringify(s) stringify_immed(s)
d1ca3daa 314register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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315# endif
316#endif
317
5dc8bdac 318#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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319# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
320# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
321# endif
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322#endif
323
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324/*
325 * STMT_START { statements; } STMT_END;
326 * can be used as a single statement, as in
327 * if (x) STMT_START { ... } STMT_END; else ...
328 *
329 * Trying to select a version that gives no warnings...
330 */
331#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 332# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 333# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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334# define STMT_END )
335# else
336 /* Now which other defined()s do we need here ??? */
93189314 337# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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338# define STMT_START if (1)
339# define STMT_END else (void)0
340# else
341# define STMT_START do
342# define STMT_END while (0)
343# endif
344# endif
345#endif
346
0cb96387 347#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 348#define WITH_THR(s) WITH_THX(s)
ea0efc06 349
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PP
350/*
351 * SOFT_CAST can be used for args to prototyped functions to retain some
352 * type checking; it only casts if the compiler does not know prototypes.
353 */
354#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
355#define SOFT_CAST(type)
356#else
357#define SOFT_CAST(type) (type)
358#endif
79072805 359
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360#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
361# define BYTEORDER 0x1234
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362#endif
363
364/* Overall memory policy? */
365#ifndef CONSERVATIVE
366# define LIBERAL 1
367#endif
368
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369#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
370#define ASCIIish
371#else
372#undef ASCIIish
373#endif
374
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375/*
376 * The following contortions are brought to you on behalf of all the
377 * standards, semi-standards, de facto standards, not-so-de-facto standards
378 * of the world, as well as all the other botches anyone ever thought of.
379 * The basic theory is that if we work hard enough here, the rest of the
380 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
381 */
ac58e20f 382
ee0007ab 383/* define this once if either system, instead of cluttering up the src */
2986a63f 384#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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385#define DOSISH 1
386#endif
387
27da23d5 388#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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389# define STANDARD_C 1
390#endif
391
a03dbf46 392#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
393# define DONT_DECLARE_STD 1
394#endif
395
352d5a3a 396#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 397# ifdef __cplusplus
cb69f87a 398# define VOL /* to temporarily suppress warnings */
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399# else
400# define VOL volatile
401# endif
663a0e37 402#else
79072805 403# define VOL
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404#endif
405
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406#define TAINT (PL_tainted = TRUE)
407#define TAINT_NOT (PL_tainted = FALSE)
408#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
409#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 410#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 411
d460ef45 412/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
413 defines move there? If so, I could simplify this a lot. --AD 9/96.
414*/
415/* Process group stuff changed from traditional BSD to POSIX.
416 perlfunc.pod documents the traditional BSD-style syntax, so we'll
417 try to preserve that, if possible.
418*/
419#ifdef HAS_SETPGID
420# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 421#else
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PP
422# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
423# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
424# else
425# ifdef HAS_SETPGRP2 /* DG/UX */
426# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
427# endif
428# endif
429#endif
430#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
431# define HAS_SETPGRP /* Well, effectively it does . . . */
432#endif
433
434/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
435 our life easier :-) so we'll try it.
436*/
437#ifdef HAS_GETPGID
438# define BSD_GETPGRP(pid) getpgid((pid))
439#else
440# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
441# define BSD_GETPGRP(pid) getpgrp((pid))
442# else
443# ifdef HAS_GETPGRP2 /* DG/UX */
444# define BSD_GETPGRP(pid) getpgrp2((pid))
445# endif
446# endif
447#endif
448#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
449# define HAS_GETPGRP /* Well, effectively it does . . . */
450#endif
451
d460ef45 452/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
453 have different behaviors, but perl.h used to define USE_BSDPGRP
454 (prior to 5.003_05) so some extension might depend on it.
455*/
456#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
457# ifndef USE_BSDPGRP
458# define USE_BSDPGRP
459# endif
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460#endif
461
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462/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
463 pthread.h must be included before all other header files.
464*/
3db8f154 465#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
466# include <pthread.h>
467#endif
468
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469#ifndef _TYPES_ /* If types.h defines this it's easy. */
470# ifndef major /* Does everyone's types.h define this? */
471# include <sys/types.h>
c07a80fd 472# endif
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LW
473#endif
474
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475#ifdef __cplusplus
476# ifndef I_STDARG
477# define I_STDARG 1
478# endif
479#endif
480
481#ifdef I_STDARG
482# include <stdarg.h>
483#else
484# ifdef I_VARARGS
485# include <varargs.h>
486# endif
487#endif
488
4633a7c4 489#ifdef USE_NEXT_CTYPE
0c30d9ec 490
092bebab
JH
491#if NX_CURRENT_COMPILER_RELEASE >= 500
492# include <bsd/ctypes.h>
493#else
494# if NX_CURRENT_COMPILER_RELEASE >= 400
495# include <objc/NXCType.h>
496# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
497# include <appkit/NXCType.h>
498# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
499#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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500
501#else /* !USE_NEXT_CTYPE */
fe14fcc3 502#include <ctype.h>
0c30d9ec 503#endif /* USE_NEXT_CTYPE */
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504
505#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
506#undef METHOD
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LW
507#endif
508
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JH
509#ifdef PERL_MICRO
510# define NO_LOCALE
511#endif
512
4633a7c4 513#ifdef I_LOCALE
36477c24 514# include <locale.h>
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LW
515#endif
516
36477c24
PP
517#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
518# define USE_LOCALE
519# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
520 && defined(HAS_STRXFRM)
521# define USE_LOCALE_COLLATE
522# endif
523# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
524# define USE_LOCALE_CTYPE
525# endif
526# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
527# define USE_LOCALE_NUMERIC
528# endif
529#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 530
fe14fcc3 531#include <setjmp.h>
79072805 532
a0d0e21e 533#ifdef I_SYS_PARAM
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534# ifdef PARAM_NEEDS_TYPES
535# include <sys/types.h>
536# endif
537# include <sys/param.h>
352d5a3a 538#endif
79072805 539
79072805 540/* Use all the "standard" definitions? */
a0d0e21e 541#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 542# include <stdlib.h>
ff68c719 543#endif
03a14243 544
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JH
545/* If this causes problems, set i_unistd=undef in the hint file. */
546#ifdef I_UNISTD
547# include <unistd.h>
548#endif
549
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JH
550#ifdef SYMBIAN
551# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
552#endif
553
7114a2d2 554#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
555int syscall(int, ...);
556#endif
557
7114a2d2 558#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 559int usleep(unsigned int);
2ef53570
JH
560#endif
561
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562#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
563# define MYSWAP
564#endif
565
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
MB
1128#define ERRSV GvSV(PL_errgv)
1129#define DEFSV GvSV(PL_defgv)
1130#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1131
98eae8f5
GS
1132#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1133
55497cff 1134#ifndef errno
5ff3f7a4
GS
1135 extern int errno; /* ANSI allows errno to be an lvalue expr.
1136 * For example in multithreaded environments
1137 * something like this might happen:
1138 * extern int *_errno(void);
1139 * #define errno (*_errno()) */
d9d8d8de 1140#endif
663a0e37 1141
2304df62 1142#ifdef HAS_STRERROR
a0d0e21e 1143# ifdef VMS
20ce7b12 1144 char *strerror (int,...);
a0d0e21e 1145# else
68dc0745 1146#ifndef DONT_DECLARE_STD
20ce7b12 1147 char *strerror (int);
68dc0745 1148#endif
a0d0e21e 1149# endif
2304df62
AD
1150# ifndef Strerror
1151# define Strerror strerror
1152# endif
1153#else
1154# ifdef HAS_SYS_ERRLIST
79072805
LW
1155 extern int sys_nerr;
1156 extern char *sys_errlist[];
2304df62
AD
1157# ifndef Strerror
1158# define Strerror(e) \
79072805 1159 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1160# endif
79072805 1161# endif
35c8bce7 1162#endif
663a0e37 1163
2304df62 1164#ifdef I_SYS_IOCTL
79072805
LW
1165# ifndef _IOCTL_
1166# include <sys/ioctl.h>
1167# endif
a687059c
LW
1168#endif
1169
ee0007ab 1170#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1171# ifdef HAS_SOCKETPAIR
1172# undef HAS_SOCKETPAIR
1173# endif
2304df62
AD
1174# ifdef I_NDBM
1175# undef I_NDBM
79072805 1176# endif
a687059c
LW
1177#endif
1178
02fc2eee
NC
1179#ifndef HAS_SOCKETPAIR
1180# ifdef HAS_SOCKET
1181# define socketpair Perl_my_socketpair
1182# endif
1183#endif
1184
a687059c 1185#if INTSIZE == 2
79072805
LW
1186# define htoni htons
1187# define ntohi ntohs
a687059c 1188#else
79072805
LW
1189# define htoni htonl
1190# define ntohi ntohl
a687059c
LW
1191#endif
1192
a0d0e21e 1193/* Configure already sets Direntry_t */
35c8bce7 1194#if defined(I_DIRENT)
663a0e37 1195# include <dirent.h>
8f1f23e8
W
1196 /* NeXT needs dirent + sys/dir.h */
1197# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1198# include <sys/dir.h>
1199# endif
ae986130 1200#else
fe14fcc3 1201# ifdef I_SYS_NDIR
79a0689e 1202# include <sys/ndir.h>
663a0e37 1203# else
fe14fcc3 1204# ifdef I_SYS_DIR
79a0689e
LW
1205# ifdef hp9000s500
1206# include <ndir.h> /* may be wrong in the future */
1207# else
1208# include <sys/dir.h>
1209# endif
663a0e37
LW
1210# endif
1211# endif
4633a7c4 1212#endif
a687059c 1213
12ae5dfc
JH
1214#ifdef PERL_MICRO
1215# ifndef DIR
1216# define DIR void
1217# endif
1218#endif
1219
352d5a3a
LW
1220#ifdef FPUTS_BOTCH
1221/* work around botch in SunOS 4.0.1 and 4.0.2 */
1222# ifndef fputs
79072805 1223# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1224# endif
1225#endif
1226
c623bd54
LW
1227/*
1228 * The following gobbledygook brought to you on behalf of __STDC__.
1229 * (I could just use #ifndef __STDC__, but this is more bulletproof
1230 * in the face of half-implementations.)
1231 */
1232
7114a2d2 1233#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1234#include <sys/mode.h>
1235#endif
1236
c623bd54
LW
1237#ifndef S_IFMT
1238# ifdef _S_IFMT
1239# define S_IFMT _S_IFMT
1240# else
1241# define S_IFMT 0170000
1242# endif
1243#endif
1244
1245#ifndef S_ISDIR
1246# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1247#endif
1248
1249#ifndef S_ISCHR
1250# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1251#endif
1252
1253#ifndef S_ISBLK
fe14fcc3
LW
1254# ifdef S_IFBLK
1255# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1256# else
1257# define S_ISBLK(m) (0)
1258# endif
c623bd54
LW
1259#endif
1260
1261#ifndef S_ISREG
1262# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1263#endif
1264
1265#ifndef S_ISFIFO
fe14fcc3
LW
1266# ifdef S_IFIFO
1267# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1268# else
1269# define S_ISFIFO(m) (0)
1270# endif
c623bd54
LW
1271#endif
1272
1273#ifndef S_ISLNK
1274# ifdef _S_ISLNK
1275# define S_ISLNK(m) _S_ISLNK(m)
1276# else
1277# ifdef _S_IFLNK
1278# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1279# else
1280# ifdef S_IFLNK
1281# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1282# else
1283# define S_ISLNK(m) (0)
1284# endif
1285# endif
1286# endif
1287#endif
1288
1289#ifndef S_ISSOCK
1290# ifdef _S_ISSOCK
1291# define S_ISSOCK(m) _S_ISSOCK(m)
1292# else
1293# ifdef _S_IFSOCK
1294# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1295# else
1296# ifdef S_IFSOCK
1297# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1298# else
1299# define S_ISSOCK(m) (0)
1300# endif
1301# endif
1302# endif
1303#endif
1304
1305#ifndef S_IRUSR
1306# ifdef S_IREAD
1307# define S_IRUSR S_IREAD
1308# define S_IWUSR S_IWRITE
1309# define S_IXUSR S_IEXEC
1310# else
1311# define S_IRUSR 0400
1312# define S_IWUSR 0200
1313# define S_IXUSR 0100
1314# endif
fac7cdfc 1315#endif
1316
1317#ifndef S_IRGRP
1318# ifdef S_IRUSR
1319# define S_IRGRP (S_IRUSR>>3)
1320# define S_IWGRP (S_IWUSR>>3)
1321# define S_IXGRP (S_IXUSR>>3)
1322# else
1323# define S_IRGRP 0040
1324# define S_IWGRP 0020
1325# define S_IXGRP 0010
1326# endif
1327#endif
1328
1329#ifndef S_IROTH
1330# ifdef S_IRUSR
1331# define S_IROTH (S_IRUSR>>6)
1332# define S_IWOTH (S_IWUSR>>6)
1333# define S_IXOTH (S_IXUSR>>6)
1334# else
1335# define S_IROTH 0040
1336# define S_IWOTH 0020
1337# define S_IXOTH 0010
1338# endif
c623bd54
LW
1339#endif
1340
1341#ifndef S_ISUID
1342# define S_ISUID 04000
1343#endif
1344
1345#ifndef S_ISGID
1346# define S_ISGID 02000
1347#endif
1348
ca6e1c26
JH
1349#ifndef S_IRWXU
1350# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1351#endif
ca6e1c26
JH
1352
1353#ifndef S_IRWXG
1354# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1355#endif
ca6e1c26
JH
1356
1357#ifndef S_IRWXO
1358# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1359#endif
ca6e1c26 1360
c21fb2b8
JH
1361/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1362 * which would get included through <sys/file.h >, but that is 3000
1363 * lines in the future. --jhi */
1364
1365#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1366# define S_IREAD S_IRUSR
1367#endif
1368
c21fb2b8 1369#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1370# define S_IWRITE S_IWUSR
1371#endif
1372
1373#ifndef S_IEXEC
1374# define S_IEXEC S_IXUSR
1375#endif
1376
79072805
LW
1377#ifdef ff_next
1378# undef ff_next
352d5a3a
LW
1379#endif
1380
a0d0e21e 1381#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1382# define SLOPPYDIVIDE
1383#endif
1384
748a9306
LW
1385#ifdef UV
1386#undef UV
1387#endif
1388
c89df6bf
JH
1389#ifdef SPRINTF_E_BUG
1390# define sprintf UTS_sprintf_wrap
1391#endif
1392
c495e728
JH
1393/* Configure gets this right but the UTS compiler gets it wrong.
1394 -- Hal Morris <hom00@utsglobal.com> */
1395#ifdef UTS
1396# undef UVTYPE
1397# define UVTYPE unsigned
1398#endif
1399
05f13f53 1400/*
27d4fb96
PP
1401 The IV type is supposed to be long enough to hold any integral
1402 value or a pointer.
1403 --Andy Dougherty August 1996
1404*/
1405
a22e52b9
JH
1406typedef IVTYPE IV;
1407typedef UVTYPE UV;
8175356b 1408
10cc9d2a 1409#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1410# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1411# define IV_MAX INT64_MAX
1412# define IV_MIN INT64_MIN
1413# define UV_MAX UINT64_MAX
cae7ae48
JH
1414# ifndef UINT64_MIN
1415# define UINT64_MIN 0
1416# endif
5ff3f7a4
GS
1417# define UV_MIN UINT64_MIN
1418# else
1419# define IV_MAX PERL_QUAD_MAX
1420# define IV_MIN PERL_QUAD_MIN
1421# define UV_MAX PERL_UQUAD_MAX
1422# define UV_MIN PERL_UQUAD_MIN
1423# endif
cf2093f6
JH
1424# define IV_IS_QUAD
1425# define UV_IS_QUAD
79072805 1426#else
8175356b 1427# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1428# define IV_MAX INT32_MAX
1429# define IV_MIN INT32_MIN
716026f9
DL
1430# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1431# define UV_MAX UINT32_MAX
1432# else
1433# define UV_MAX 4294967295U
1434# endif
cae7ae48
JH
1435# ifndef UINT32_MIN
1436# define UINT32_MIN 0
1437# endif
5ff3f7a4
GS
1438# define UV_MIN UINT32_MIN
1439# else
1440# define IV_MAX PERL_LONG_MAX
1441# define IV_MIN PERL_LONG_MIN
1442# define UV_MAX PERL_ULONG_MAX
1443# define UV_MIN PERL_ULONG_MIN
1444# endif
8175356b 1445# if IVSIZE == 8
cf2093f6
JH
1446# define IV_IS_QUAD
1447# define UV_IS_QUAD
de1c2614
JH
1448# ifndef HAS_QUAD
1449# define HAS_QUAD
1450# endif
cf2093f6
JH
1451# else
1452# undef IV_IS_QUAD
1453# undef UV_IS_QUAD
de1c2614 1454# undef HAS_QUAD
cf2093f6 1455# endif
79072805 1456#endif
d7d93a81 1457
1109a392
MHM
1458#ifndef HAS_QUAD
1459# undef PERL_NEED_MY_HTOLE64
1460# undef PERL_NEED_MY_LETOH64
1461# undef PERL_NEED_MY_HTOBE64
1462# undef PERL_NEED_MY_BETOH64
1463#endif
1464
6cde8aec 1465#if defined(uts) || defined(UTS)
11afe549
HM
1466# undef UV_MAX
1467# define UV_MAX (4294967295u)
20601011
JH
1468#endif
1469
cae7ae48 1470#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1471#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1472
28e5dec8 1473#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1474#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1475#endif
1476
d460ef45 1477/*
26bb67e2
JH
1478 * The macros INT2PTR and NUM2PTR are (despite their names)
1479 * bi-directional: they will convert int/float to or from pointers.
1480 * However the conversion to int/float are named explicitly:
1481 * PTR2IV, PTR2UV, PTR2NV.
1482 *
1483 * For int conversions we do not need two casts if pointers are
1484 * the same size as IV and UV. Otherwise we need an explicit
1485 * cast (PTRV) to avoid compiler warnings.
1486 */
56431972
RB
1487#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1488# define PTRV UV
1489# define INT2PTR(any,d) (any)(d)
1490#else
d460ef45 1491# if PTRSIZE == LONGSIZE
56431972 1492# define PTRV unsigned long
42718184 1493# else
56431972 1494# define PTRV unsigned
42718184 1495# endif
56431972 1496# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1497#endif
56431972
RB
1498#define NUM2PTR(any,d) (any)(PTRV)(d)
1499#define PTR2IV(p) INT2PTR(IV,p)
1500#define PTR2UV(p) INT2PTR(UV,p)
1501#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1502#if PTRSIZE == LONGSIZE
d2560b70
RB
1503# define PTR2ul(p) (unsigned long)(p)
1504#else
1505# define PTR2ul(p) INT2PTR(unsigned long,p)
1506#endif
d460ef45 1507
8141890a
JH
1508/* According to strict ANSI C89 one cannot freely cast between
1509 * data pointers and function (code) pointers. There are at least
1510 * two ways around this. One (used below) is to do two casts,
1511 * first the other pointer to an (unsigned) integer, and then
1512 * the integer to the other pointer. The other way would be
1513 * to use unions to "overlay" the pointers. For an example of
1514 * the latter technique, see union dirpu in struct xpvio in sv.h.
1515 * The only feasible use is probably temporarily storing
1516 * function pointers in a data pointer (such as a void pointer). */
1517
3fbfee08
RB
1518#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
1519#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
8141890a 1520
65202027 1521#ifdef USE_LONG_DOUBLE
1048ea30
JH
1522# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1523# define LONG_DOUBLE_EQUALS_DOUBLE
1524# endif
68d4903c 1525# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1526# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1527# endif
1528#endif
1529
2d4389e4
JH
1530#ifdef OVR_DBL_DIG
1531/* Use an overridden DBL_DIG */
1532# ifdef DBL_DIG
1533# undef DBL_DIG
1534# endif
1535# define DBL_DIG OVR_DBL_DIG
1536#else
1537/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1538 default value for printing floating point numbers in Gconvert
1539 (see config.h). (It also has other uses, such as figuring out if
1540 a given precision of printing can be done with a double instead of
1541 a long double - Allen).
2d4389e4
JH
1542*/
1543#ifdef I_LIMITS
1544#include <limits.h>
1545#endif
1546#ifdef I_FLOAT
1547#include <float.h>
1548#endif
1549#ifndef HAS_DBL_DIG
1550#define DBL_DIG 15 /* A guess that works lots of places */
1551#endif
1552#endif
cbca01e1
JH
1553#ifdef I_FLOAT
1554#include <float.h>
1555#endif
1556#ifndef HAS_DBL_DIG
1557#define DBL_DIG 15 /* A guess that works lots of places */
1558#endif
2d4389e4
JH
1559
1560#ifdef OVR_LDBL_DIG
1561/* Use an overridden LDBL_DIG */
1562# ifdef LDBL_DIG
1563# undef LDBL_DIG
1564# endif
1565# define LDBL_DIG OVR_LDBL_DIG
1566#else
1567/* The following is all to get LDBL_DIG, in order to pick a nice
1568 default value for printing floating point numbers in Gconvert.
1569 (see config.h)
1570*/
68d4903c
JH
1571# ifdef I_LIMITS
1572# include <limits.h>
1573# endif
1574# ifdef I_FLOAT
1575# include <float.h>
1576# endif
1577# ifndef HAS_LDBL_DIG
1578# if LONG_DOUBLESIZE == 10
1579# define LDBL_DIG 18 /* assume IEEE */
1580# else
1581# if LONG_DOUBLESIZE == 12
1582# define LDBL_DIG 18 /* gcc? */
1583# else
1584# if LONG_DOUBLESIZE == 16
1585# define LDBL_DIG 33 /* assume IEEE */
1586# else
1587# if LONG_DOUBLESIZE == DOUBLESIZE
1588# define LDBL_DIG DBL_DIG /* bummer */
1589# endif
1590# endif
1591# endif
1592# endif
1593# endif
2d4389e4
JH
1594#endif
1595
20f6aaab
AS
1596/*
1597 * This is for making sure we have a good DBL_MAX value, if possible,
1598 * either for usage as NV_MAX or for usage in figuring out if we can
1599 * fit a given long double into a double, if bug-fixing makes it
1600 * necessary to do so. - Allen <allens@cpan.org>
1601 */
1602
205f51d8
AS
1603#ifdef I_LIMITS
1604# include <limits.h>
20f6aaab
AS
1605#endif
1606
205f51d8
AS
1607#ifdef I_VALUES
1608# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1609# include <values.h>
1610# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1611# define DBL_MAX MAXDOUBLE
1612# endif
1613# if defined(MINDOUBLE) && !defined(DBL_MIN)
1614# define DBL_MIN MINDOUBLE
1615# endif
1616# endif
1617#endif /* defined(I_VALUES) */
1618
a22e52b9 1619typedef NVTYPE NV;
8175356b 1620
792d8dab
JH
1621#ifdef I_IEEEFP
1622# include <ieeefp.h>
1623#endif
923fc586 1624
65202027 1625#ifdef USE_LONG_DOUBLE
923fc586
JH
1626# ifdef I_SUNMATH
1627# include <sunmath.h>
1628# endif
2d4389e4 1629# define NV_DIG LDBL_DIG
d6c14000
JH
1630# ifdef LDBL_MANT_DIG
1631# define NV_MANT_DIG LDBL_MANT_DIG
1632# endif
06fc1729
JH
1633# ifdef LDBL_MIN
1634# define NV_MIN LDBL_MIN
1635# endif
1636# ifdef LDBL_MAX
1637# define NV_MAX LDBL_MAX
1638# endif
1639# ifdef LDBL_MIN_10_EXP
1640# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1641# endif
1642# ifdef LDBL_MAX_10_EXP
1643# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1644# endif
1645# ifdef LDBL_EPSILON
1646# define NV_EPSILON LDBL_EPSILON
1647# endif
f4a14a62
JH
1648# ifdef LDBL_MAX
1649# define NV_MAX LDBL_MAX
20f6aaab 1650/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1651# else
1652# ifdef HUGE_VALL
1653# define NV_MAX HUGE_VALL
1654# else
1655# ifdef HUGE_VAL
1656# define NV_MAX ((NV)HUGE_VAL)
1657# endif
1658# endif
1659# endif
68d4903c 1660# ifdef HAS_SQRTL
68d4903c
JH
1661# define Perl_cos cosl
1662# define Perl_sin sinl
1663# define Perl_sqrt sqrtl
1664# define Perl_exp expl
1665# define Perl_log logl
1666# define Perl_atan2 atan2l
1667# define Perl_pow powl
1668# define Perl_floor floorl
1bbae031 1669# define Perl_ceil ceill
68d4903c
JH
1670# define Perl_fmod fmodl
1671# endif
a3540c92
JH
1672/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1673# ifdef HAS_MODFL
1674# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1675/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1676 prototype in <math.h> */
1677# ifndef HAS_MODFL_PROTO
a221a8a5 1678EXTERN_C long double modfl(long double, long double *);
51997bc3 1679# endif
03476e8e
JH
1680# else
1681# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1682 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1683# define Perl_modf(x,y) Perl_my_modfl(x,y)
1684# endif
a3540c92
JH
1685# endif
1686# ifdef HAS_FREXPL
dff3e0b8 1687# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1688# else
1689# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1690 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1691# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1692# endif
a3540c92 1693# endif
38dbb4c5 1694# ifndef Perl_isnan
758a5d79
JH
1695# ifdef HAS_ISNANL
1696# define Perl_isnan(x) isnanl(x)
1697# endif
1698# endif
1699# ifndef Perl_isinf
1700# ifdef HAS_FINITEL
1701# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1702# endif
1703# endif
65202027 1704#else
2d4389e4 1705# define NV_DIG DBL_DIG
d6c14000
JH
1706# ifdef DBL_MANT_DIG
1707# define NV_MANT_DIG DBL_MANT_DIG
1708# endif
06fc1729
JH
1709# ifdef DBL_MIN
1710# define NV_MIN DBL_MIN
1711# endif
1712# ifdef DBL_MAX
1713# define NV_MAX DBL_MAX
1714# endif
1715# ifdef DBL_MIN_10_EXP
1716# define NV_MIN_10_EXP DBL_MIN_10_EXP
1717# endif
1718# ifdef DBL_MAX_10_EXP
1719# define NV_MAX_10_EXP DBL_MAX_10_EXP
1720# endif
1721# ifdef DBL_EPSILON
1722# define NV_EPSILON DBL_EPSILON
1723# endif
205f51d8 1724# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1725# define NV_MAX DBL_MAX
1726# define NV_MIN DBL_MIN
1727# else
1728# ifdef HUGE_VAL
1729# define NV_MAX HUGE_VAL
1730# endif
1731# endif
65202027
DS
1732# define Perl_cos cos
1733# define Perl_sin sin
1734# define Perl_sqrt sqrt
1735# define Perl_exp exp
1736# define Perl_log log
1737# define Perl_atan2 atan2
1738# define Perl_pow pow
1739# define Perl_floor floor
1bbae031 1740# define Perl_ceil ceil
65202027 1741# define Perl_fmod fmod
a3540c92 1742# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1743# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1744#endif
1745
1746/* rumor has it that Win32 has _fpclass() */
1747
205f51d8
AS
1748/* SGI has fpclassl... but not with the same result values,
1749 * and it's via a typedef (not via #define), so will need to redo Configure
1750 * to use. Not worth the trouble, IMO, at least until the below is used
1751 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1752 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1753 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1754
758a5d79
JH
1755#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1756# ifdef I_IEEFP
1757# include <ieeefp.h>
1758# endif
1759# ifdef I_FP
1760# include <fp.h>
1761# endif
1762# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1763# define Perl_fp_class() fpclassl(x)
1764# else
1765# define Perl_fp_class() fpclass(x)
1766# endif
1767# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1768# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1769# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1770# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1771# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1772# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1773# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1774# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1775# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1776# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1777# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1778# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1779# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1780# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1781# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1782#endif
1783
7114a2d2 1784#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1785# include <math.h>
1786# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1787# include <fp_class.h>
1788# endif
1789# define Perl_fp_class(x) fp_class(x)
1790# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1791# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1792# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1793# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1794# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1795# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1796# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1797# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1798# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1799# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1800# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1801# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1802# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1803# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1804# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1805#endif
1806
1807#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1808# include <math.h>
1809# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1810# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1811# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1812# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1813# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1814# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1815#endif
1816
1817#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1818# include <math.h>
1819# ifndef _cplusplus
1820# define Perl_fp_class(x) class(x)
1821# else
1822# define Perl_fp_class(x) _class(x)
1823# endif
1824# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1825# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1826# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1827# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1828# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1829# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1830# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1831# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1832# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1833# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1834# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1835# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1836# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1837# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1838# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1839#endif
1840
1841/* rumor has it that Win32 has _isnan() */
1842
1843#ifndef Perl_isnan
a3540c92 1844# ifdef HAS_ISNAN
758a5d79
JH
1845# define Perl_isnan(x) isnan((NV)x)
1846# else
1847# ifdef Perl_fp_class_nan
1848# define Perl_isnan(x) Perl_fp_class_nan(x)
1849# else
1850# ifdef HAS_UNORDERED
1851# define Perl_isnan(x) unordered((x), 0.0)
1852# else
1853# define Perl_isnan(x) ((x)!=(x))
1854# endif
1855# endif
1856# endif
1857#endif
1858
ca6c63e1
JH
1859#ifdef UNDER_CE
1860int isnan(double d);
1861#endif
1862
758a5d79
JH
1863#ifndef Perl_isinf
1864# ifdef HAS_ISINF
1865# define Perl_isinf(x) isinf((NV)x)
a3540c92 1866# else
758a5d79
JH
1867# ifdef Perl_fp_class_inf
1868# define Perl_isinf(x) Perl_fp_class_inf(x)
1869# else
1870# define Perl_isinf(x) ((x)==NV_INF)
1871# endif
1872# endif
1873#endif
1874
1875#ifndef Perl_isfinite
1876# ifdef HAS_FINITE
1877# define Perl_isfinite(x) finite((NV)x)
1878# else
1879# ifdef HAS_ISFINITE
1880# define Perl_isfinite(x) isfinite(x)
1881# else
1882# ifdef Perl_fp_class_finite
1883# define Perl_isfinite(x) Perl_fp_class_finite(x)
1884# else
1885# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1886# endif
1887# endif
a3540c92 1888# endif
65202027
DS
1889#endif
1890
a36244b7
JH
1891/* The default is to use Perl's own atof() implementation (in numeric.c).
1892 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1893 * it is however best to use the native implementation of atof.
1894 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1895 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1896 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1897 * you may need to be using a different function than atof! */
a36244b7
JH
1898
1899#ifndef USE_PERL_ATOF
1900# ifndef _UNICOS
1901# define USE_PERL_ATOF
1902# endif
1903#else
1904# if USE_PERL_ATOF == 0
1905# undef USE_PERL_ATOF
1906# endif
1907#endif
1908
1909#ifdef USE_PERL_ATOF
1910# define Perl_atof(s) Perl_my_atof(s)
1911# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1912#else
1913# define Perl_atof(s) (NV)atof(s)
1914# define Perl_atof2(s, n) ((n) = atof(s))
1915#endif
cf2093f6 1916
d460ef45 1917/* Previously these definitions used hardcoded figures.
760ac839
LW
1918 * It is hoped these formula are more portable, although
1919 * no data one way or another is presently known to me.
1920 * The "PERL_" names are used because these calculated constants
1921 * do not meet the ANSI requirements for LONG_MAX, etc., which
1922 * need to be constants acceptable to #if - kja
1923 * define PERL_LONG_MAX 2147483647L
1924 * define PERL_LONG_MIN (-LONG_MAX - 1)
1925 * define PERL ULONG_MAX 4294967295L
1926 */
1927
1928#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1929# include <limits.h>
760ac839 1930#endif
205f51d8
AS
1931/* Included values.h above if necessary; still including limits.h down here,
1932 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1933
99abf803
PP
1934/*
1935 * Try to figure out max and min values for the integral types. THE CORRECT
1936 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1937 * following hacks are used if neither limits.h or values.h provide them:
1938 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1939 * for types < int: (unsigned TYPE)~(unsigned)0
1940 * The argument to ~ must be unsigned so that later signed->unsigned
1941 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1942 * and it must not be smaller than int because ~ does integral promotion.
1943 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1944 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1945 * The latter is a hack which happens to work on some machines but
1946 * does *not* catch any random system, or things like integer types
1947 * with NaN if that is possible.
1948 *
1949 * All of the types are explicitly cast to prevent accidental loss of
1950 * numeric range, and in the hope that they will be less likely to confuse
1951 * over-eager optimizers.
1952 *
1953 */
27d4fb96 1954
99abf803
PP
1955#define PERL_UCHAR_MIN ((unsigned char)0)
1956
1957#ifdef UCHAR_MAX
1958# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1959#else
99abf803
PP
1960# ifdef MAXUCHAR
1961# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1962# else
99abf803 1963# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1964# endif
1965#endif
d460ef45 1966
99abf803
PP
1967/*
1968 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1969 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1970 * depending on local options. Until Configure detects this (or at least
1971 * detects whether the "signed" keyword is available) the CHAR ranges
1972 * will not be included. UCHAR functions normally.
1973 * - kja
1974 */
27d4fb96 1975
99abf803
PP
1976#define PERL_USHORT_MIN ((unsigned short)0)
1977
1978#ifdef USHORT_MAX
1979# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1980#else
99abf803
PP
1981# ifdef MAXUSHORT
1982# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1983# else
ef2f54b0
CB
1984# ifdef USHRT_MAX
1985# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1986# else
1987# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1988# endif
27d4fb96
PP
1989# endif
1990#endif
1991
27d4fb96 1992#ifdef SHORT_MAX
99abf803 1993# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1994#else
1995# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1996# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1997# else
ef2f54b0
CB
1998# ifdef SHRT_MAX
1999# define PERL_SHORT_MAX ((short)SHRT_MAX)
2000# else
2001# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2002# endif
27d4fb96
PP
2003# endif
2004#endif
2005
2006#ifdef SHORT_MIN
99abf803 2007# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2008#else
2009# ifdef MINSHORT
99abf803 2010# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2011# else
ef2f54b0
CB
2012# ifdef SHRT_MIN
2013# define PERL_SHORT_MIN ((short)SHRT_MIN)
2014# else
2015# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2016# endif
27d4fb96
PP
2017# endif
2018#endif
2019
99abf803
PP
2020#ifdef UINT_MAX
2021# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2022#else
99abf803
PP
2023# ifdef MAXUINT
2024# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2025# else
99abf803 2026# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2027# endif
2028#endif
2029
99abf803 2030#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2031
2032#ifdef INT_MAX
99abf803 2033# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2034#else
2035# ifdef MAXINT /* Often used in <values.h> */
99abf803 2036# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2037# else
99abf803 2038# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2039# endif
2040#endif
2041
2042#ifdef INT_MIN
99abf803 2043# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2044#else
2045# ifdef MININT
99abf803 2046# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2047# else
2048# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2049# endif
2050#endif
2051
99abf803
PP
2052#ifdef ULONG_MAX
2053# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2054#else
99abf803
PP
2055# ifdef MAXULONG
2056# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2057# else
99abf803 2058# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2059# endif
2060#endif
2061
99abf803 2062#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2063
760ac839 2064#ifdef LONG_MAX
99abf803 2065# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2066#else
2067# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2068# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2069# else
99abf803 2070# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2071# endif
2072#endif
2073
2074#ifdef LONG_MIN
99abf803 2075# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2076#else
2077# ifdef MINLONG
99abf803 2078# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2079# else
27d4fb96 2080# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2081# endif
2082#endif
2083
d7d93a81 2084#ifdef UV_IS_QUAD
99abf803 2085
99abf803 2086# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2087# define PERL_UQUAD_MIN ((UV)0)
99abf803 2088# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2089# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2090
79072805
LW
2091#endif
2092
22f7c9c9
JH
2093#ifdef MYMALLOC
2094# include "malloc_ctl.h"
2095#endif
2096
830247a4 2097struct RExC_state_t;
880b20b6 2098
ee0007ab 2099typedef MEM_SIZE STRLEN;
450a55e4 2100
79072805
LW
2101typedef struct op OP;
2102typedef struct cop COP;
2103typedef struct unop UNOP;
2104typedef struct binop BINOP;
2105typedef struct listop LISTOP;
2106typedef struct logop LOGOP;
79072805
LW
2107typedef struct pmop PMOP;
2108typedef struct svop SVOP;
7934575e 2109typedef struct padop PADOP;
79072805 2110typedef struct pvop PVOP;
79072805
LW
2111typedef struct loop LOOP;
2112
93a17b20 2113typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2114
2115/* Amdahl's <ksync.h> has struct sv */
2116/* SGI's <sys/sema.h> has struct sv */
2117#if defined(UTS) || defined(__sgi)
2118# define STRUCT_SV perl_sv
b8d3c5db
JH
2119#else
2120# define STRUCT_SV sv
2121#endif
2122typedef struct STRUCT_SV SV;
79072805
LW
2123typedef struct av AV;
2124typedef struct hv HV;
2125typedef struct cv CV;
378cc40b 2126typedef struct regexp REGEXP;
79072805 2127typedef struct gp GP;
0c30d9ec 2128typedef struct gv GV;
8990e307 2129typedef struct io IO;
c09156bb 2130typedef struct context PERL_CONTEXT;
79072805
LW
2131typedef struct block BLOCK;
2132
2133typedef struct magic MAGIC;
2134typedef struct xpv XPV;
2135typedef struct xpviv XPVIV;
ff68c719 2136typedef struct xpvuv XPVUV;
79072805
LW
2137typedef struct xpvnv XPVNV;
2138typedef struct xpvmg XPVMG;
2139typedef struct xpvlv XPVLV;
2140typedef struct xpvav XPVAV;
2141typedef struct xpvhv XPVHV;
2142typedef struct xpvgv XPVGV;
2143typedef struct xpvcv XPVCV;
2144typedef struct xpvbm XPVBM;
2145typedef struct xpvfm XPVFM;
8990e307 2146typedef struct xpvio XPVIO;
79072805
LW
2147typedef struct mgvtbl MGVTBL;
2148typedef union any ANY;
5f7fde29
GS
2149typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2150typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2151typedef struct clone_params CLONE_PARAMS;
2152
378cc40b 2153#include "handy.h"
a0d0e21e 2154
6b8eaf93 2155#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2156# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2157# define USE_64_BIT_RAWIO /* implicit */
2158# endif
4564133c
JH
2159#endif
2160
6b8eaf93
JH
2161/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2162 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2163 * however, because operating systems like to do that themself. */
2164#ifndef FSEEKSIZE
2165# ifdef HAS_FSEEKO
2166# define FSEEKSIZE LSEEKSIZE
2167# else
2168# define FSEEKSIZE LONGSIZE
d460ef45 2169# endif
6b8eaf93
JH
2170#endif
2171
2172#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2173# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2174# define USE_64_BIT_STDIO /* implicit */
2175# endif
2176#endif
4564133c 2177
09458382 2178#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2179# ifdef HAS_OFF64_T
2180# undef Off_t
2181# define Off_t off64_t
2182# undef LSEEKSIZE
2183# define LSEEKSIZE 8
5ff3f7a4 2184# endif
d9b3e12d
JH
2185/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2186 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2187 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2188# if defined(USE_OPEN64)
2189# define open open64
5ff3f7a4 2190# endif
d9b3e12d
JH
2191# if defined(USE_LSEEK64)
2192# define lseek lseek64
6b8eaf93
JH
2193# else
2194# if defined(USE_LLSEEK)
2195# define lseek llseek
2196# endif
d9b3e12d
JH
2197# endif
2198# if defined(USE_STAT64)
2199# define stat stat64
2200# endif
2201# if defined(USE_FSTAT64)
2202# define fstat fstat64
2203# endif
2204# if defined(USE_LSTAT64)
2205# define lstat lstat64
2206# endif
2207# if defined(USE_FLOCK64)
2208# define flock flock64
2209# endif
2210# if defined(USE_LOCKF64)
2211# define lockf lockf64
2212# endif
2213# if defined(USE_FCNTL64)
2214# define fcntl fcntl64
2215# endif
2216# if defined(USE_TRUNCATE64)
2217# define truncate truncate64
2218# endif
2219# if defined(USE_FTRUNCATE64)
2220# define ftruncate ftruncate64
2221# endif
2222#endif
2223
2224#ifdef USE_64_BIT_STDIO
2225# ifdef HAS_FPOS64_T
2226# undef Fpos_t
2227# define Fpos_t fpos64_t
2228# endif
2229/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2230 * will trigger defines like the ones below. Some 64-bit environments,
2231 * however, do not. */
2232# if defined(USE_FOPEN64)
2233# define fopen fopen64
2234# endif
2235# if defined(USE_FSEEK64)
6b8eaf93 2236# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2237# endif
2238# if defined(USE_FTELL64)
6b8eaf93 2239# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2240# endif
2241# if defined(USE_FSETPOS64)
2242# define fsetpos fsetpos64
2243# endif
2244# if defined(USE_FGETPOS64)
2245# define fgetpos fgetpos64
2246# endif
2247# if defined(USE_TMPFILE64)
2248# define tmpfile tmpfile64
2249# endif
2250# if defined(USE_FREOPEN64)
2251# define freopen freopen64
5ff3f7a4
GS
2252# endif
2253#endif
2254
af8b425d 2255#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2256# include "iperlsys.h"
2257#endif
2258
6f71a643 2259#if defined(__OPEN_VM)
19848b3f
JH
2260# include "vmesa/vmesaish.h"
2261# define ISHISH "vmesa"
6f71a643
JH
2262#endif
2263
748a9306 2264#ifdef DOSISH
19848b3f
JH
2265# if defined(OS2)
2266# include "os2ish.h"
2267# else
2268# include "dosish.h"
2269# endif
2270# define ISHISH "dos"
2271#endif
2272
2273#if defined(VMS)
748a9306 2274# include "vmsish.h"
96e176bf 2275# include "embed.h"
19848b3f
JH
2276# define ISHISH "vms"
2277#endif
2278
2279#if defined(PLAN9)
2280# include "./plan9/plan9ish.h"
2281# define ISHISH "plan9"
2282#endif
2283
2284#if defined(MPE)
2285# include "mpeix/mpeixish.h"
2286# define ISHISH "mpeix"
2287#endif
2288
2289#if defined(__VOS__)
196918b0
PG
2290# ifdef __GNUC__
2291# include "./vos/vosish.h"
2292# else
2293# include "vos/vosish.h"
2294# endif
19848b3f
JH
2295# define ISHISH "vos"
2296#endif
2297
2298#if defined(EPOC)
2299# include "epocish.h"
2300# define ISHISH "epoc"
2301#endif
2302
27da23d5
JH
2303#ifdef SYMBIAN
2304# include "symbian/symbianish.h"
2305# include "embed.h"
2306# define ISHISH "symbian"
2307#endif
2308
19848b3f
JH
2309#if defined(MACOS_TRADITIONAL)
2310# include "macos/macish.h"
2311# ifndef NO_ENVIRON_ARRAY
2312# define NO_ENVIRON_ARRAY
0c30d9ec 2313# endif
19848b3f
JH
2314# define ISHISH "macos classic"
2315#endif
2316
efca5cc6
JH
2317#if defined(__BEOS__)
2318# include "beos/beosish.h"
2319# define ISHISH "beos"
2320#endif
2321
19848b3f
JH
2322#ifndef ISHISH
2323# include "unixish.h"
2324# define ISHISH "unix"
13b6e58c
JH
2325#endif
2326
2327#ifndef NO_ENVIRON_ARRAY
2328# define USE_ENVIRON_ARRAY
2329#endif
32f822de 2330
c77b533b
JH
2331/*
2332 * initialise to avoid floating-point exceptions from overflow, etc
2333 */
2334#ifndef PERL_FPU_INIT
2335# ifdef HAS_FPSETMASK
2336# if HAS_FLOATINGPOINT_H
2337# include <floatingpoint.h>
2338# endif
2339# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2340# else
2f42fcb0 2341# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2342# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2343# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2344# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2345# else
2346# define PERL_FPU_INIT
2f42fcb0 2347
7014c407 2348# endif
c77b533b
JH
2349# endif
2350#endif
b35112e7
CS
2351#ifndef PERL_FPU_PRE_EXEC
2352# define PERL_FPU_PRE_EXEC {
2353# define PERL_FPU_POST_EXEC }
2354#endif
c77b533b 2355
ed344e4f
IZ
2356#ifndef PERL_SYS_INIT3
2357# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2358#endif
2359
be708cc0
JH
2360#ifndef PERL_WRITE_MSG_TO_CONSOLE
2361# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2362#endif
2363
0f31cffe
GS
2364#ifndef MAXPATHLEN
2365# ifdef PATH_MAX
b990c8b2
JH
2366# ifdef _POSIX_PATH_MAX
2367# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2368/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2369 * included the null byte or not. Later amendments of POSIX,
2370 * XPG4, the Austin Group, and the Single UNIX Specification
2371 * all explicitly include the null byte in the PATH_MAX.
2372 * Ditto for _POSIX_PATH_MAX. */
2373# define MAXPATHLEN PATH_MAX
b990c8b2 2374# else
09448d78 2375# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2376# endif
2377# else
2378# define MAXPATHLEN (PATH_MAX+1)
2379# endif
0f31cffe 2380# else
b990c8b2 2381# ifdef _POSIX_PATH_MAX
09448d78 2382# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2383# else
2384# define MAXPATHLEN 1024 /* Err on the large side. */
2385# endif
0f31cffe
GS
2386# endif
2387#endif
2388
3db8f154 2389/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2390 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2391 * this results in many functions being undeclared which bothers C++
2392 * May make sense to have threads after "*ish.h" anyway
2393 */
2394
3db8f154 2395#if defined(USE_ITHREADS)
2986a63f
JH
2396# ifdef NETWARE
2397# include <nw5thread.h>
2398# else
32f822de
GS
2399# ifdef FAKE_THREADS
2400# include "fakethr.h"
2401# else
2402# ifdef WIN32
2403# include <win32thread.h>
2404# else
dd96f567
IZ
2405# ifdef OS2
2406# include "os2thread.h"
2407# else
7f3d1cf1 2408# ifdef I_MACH_CTHREADS
bdd66968 2409# include <mach/cthreads.h>
8f1f23e8 2410# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2411# define MUTEX_INIT_CALLS_MALLOC
2412# endif
7f3d1cf1
BH
2413typedef cthread_t perl_os_thread;
2414typedef mutex_t perl_mutex;
2415typedef condition_t perl_cond;
2416typedef void * perl_key;
2417# else /* Posix threads */
1f5ae88c
JH
2418# ifdef I_PTHREAD
2419# include <pthread.h>
2420# endif
7f3d1cf1
BH
2421typedef pthread_t perl_os_thread;
2422typedef pthread_mutex_t perl_mutex;
2423typedef pthread_cond_t perl_cond;
2424typedef pthread_key_t perl_key;
2425# endif /* I_MACH_CTHREADS */
dd96f567 2426# endif /* OS2 */
32f822de
GS
2427# endif /* WIN32 */
2428# endif /* FAKE_THREADS */
2986a63f 2429#endif /* NETWARE */
3db8f154 2430#endif /* USE_ITHREADS */
c5be433b 2431
66a93824 2432#if defined(WIN32)
1feb2720 2433# include "win32.h"
c5be433b
GS
2434#endif
2435
2986a63f
JH
2436#ifdef NETWARE
2437# include "netware.h"
2438#endif
2439
e5218da5 2440#define STATUS_UNIX PL_statusvalue
68dc0745 2441#ifdef VMS
6b88bc9c 2442# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2443# define STATUS_NATIVE_EXPORT \
d98f61e7 2444 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2445# define STATUS_NATIVE_SET(n) \
2446 STMT_START { \
6b88bc9c
GS
2447 PL_statusvalue_vms = (n); \
2448 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2449 PL_statusvalue = -1; \
6b88bc9c 2450 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2451 PL_statusvalue = 0; \
6b88bc9c
GS
2452 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2453 PL_statusvalue = 1 << 8; \
68dc0745 2454 else \
6b88bc9c 2455 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2456 } STMT_END
68dc0745 2457# ifdef VMSISH_STATUS
e5218da5 2458# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2459# else
e5218da5 2460# define STATUS_CURRENT STATUS_UNIX
68dc0745 2461# endif
e5218da5 2462# define STATUS_UNIX_SET(n) \
68dc0745 2463 STMT_START { \
3280af22
NIS
2464 PL_statusvalue = (n); \
2465 if (PL_statusvalue != -1) { \
2466 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2467 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2468 } \
6b88bc9c 2469 else PL_statusvalue_vms = -1; \
68dc0745 2470 } STMT_END
6b88bc9c
GS
2471# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2472# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2473#else
e5218da5
GA
2474# define STATUS_NATIVE PL_statusvalue_posix
2475# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2476# if defined(WCOREDUMP)
2477# define STATUS_NATIVE_SET(n) \
2478 STMT_START { \
2479 PL_statusvalue_posix = (n); \
2480 if (PL_statusvalue_posix == -1) \
2481 PL_statusvalue = -1; \
2482 else { \
2483 PL_statusvalue = \
2484 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2485 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2486 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2487 } \
2488 } STMT_END
2489# elif defined(WIFEXITED)
2490# define STATUS_NATIVE_SET(n) \
2491 STMT_START { \
2492 PL_statusvalue_posix = (n); \
2493 if (PL_statusvalue_posix == -1) \
2494 PL_statusvalue = -1; \
2495 else { \
2496 PL_statusvalue = \
2497 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2498 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2499 } \
2500 } STMT_END
2501# else
2502# define STATUS_NATIVE_SET(n) \
2503 STMT_START { \
2504 PL_statusvalue_posix = (n); \
2505 if (PL_statusvalue_posix == -1) \
2506 PL_statusvalue = -1; \
2507 else { \
2508 PL_statusvalue = \
2509 PL_statusvalue_posix & 0xFFFF; \
2510 } \
2511 } STMT_END
2512# endif
2513# define STATUS_UNIX_SET(n) \
68dc0745 2514 STMT_START { \
3280af22 2515 PL_statusvalue = (n); \
e5218da5 2516 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2517 if (PL_statusvalue != -1) \
2518 PL_statusvalue &= 0xFFFF; \
68dc0745 2519 } STMT_END
e5218da5
GA
2520# define STATUS_CURRENT STATUS_UNIX
2521# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2522# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2523#endif
2524
cc3604b1
GS
2525/* flags in PL_exit_flags for nature of exit() */
2526#define PERL_EXIT_EXPECTED 0x01
31d77e54 2527#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2528
0b94c7bb 2529#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2530# define MEMBER_TO_FPTR(name) name
2531#endif
2532
2533/* format to use for version numbers in file/directory names */
273cf8d1 2534/* XXX move to Configure? */
a7cb1f99 2535#ifndef PERL_FS_VER_FMT
273cf8d1 2536# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2537#endif
2538
45bc9206 2539/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2540 * performance issue, so we allow people to disable it. Also, if
2541 * we are using stdio, there are broken implementations of fflush(NULL)
2542 * out there, Solaris being the most prominent.
45bc9206
GS
2543 */
2544#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2545# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2546# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2547# else
2548# ifdef FFLUSH_ALL
2549# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2550# else
c5be433b 2551# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2552# endif
66fe083f 2553# endif
45bc9206
GS
2554#endif
2555
7766f137
GS
2556#ifndef PERL_WAIT_FOR_CHILDREN
2557# define PERL_WAIT_FOR_CHILDREN NOOP
2558#endif
2559
ba869deb 2560/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2561#ifndef PERL_SET_INTERP
2562# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2563#endif
2564
2565#ifndef PERL_GET_INTERP
2566# define PERL_GET_INTERP (PL_curinterp)
2567#endif
2568
54aff467 2569#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2570# ifdef MULTIPLICITY
ba869deb 2571# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2572# endif
ba869deb
GS
2573# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2574#endif
2575
0dbb1585
AL
2576/* This replaces the previous %_ "hack" by the "%-p" hack
2577 All that is required is that the perl source does not
2578 use "%-p" or "%-<number>p" format. These format will
2579 still work in perl code. RMB 2005/05/17
2580*/
894356b3 2581#ifndef SVf
0dbb1585 2582# define SVf "-p"
894356b3
GS
2583#endif
2584
014ead4b 2585#ifndef SVf_precision
0dbb1585 2586# define SVf_precision(n) "-" n "p"
d2560b70
RB
2587#endif
2588
014ead4b
RB
2589#ifndef SVf32
2590# define SVf32 SVf_precision("32")
2591#endif
2592
2593#ifndef SVf256
2594# define SVf256 SVf_precision("256")
2595#endif
2596
2597#ifndef UVf
2598# define UVf UVuf
d2560b70
RB
2599#endif
2600
5df617be 2601#ifndef DieNull
0dbb1585 2602# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2603#endif
2604
0dbb1585
AL
2605/* In case Configure was not used (we are using a "canned config"
2606 * such as Win32, or a cross-compilation setup, for example) try going
2607 * by the gcc major and minor versions. One useful URL is
2608 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2609 * but contrary to this information warn_unused_result seems
2610 * not to be in gcc 3.3.5, at least. --jhi */
2611#if defined __GNUC__
2612# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2613# define HASATTRIBUTE_FORMAT
2614# endif
2615# if __GNUC__ >= 3 /* 3.0 -> */
2616# define HASATTRIBUTE_MALLOC
2617# endif
2618# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2619# define HASATTRIBUTE_NONNULL
2620# endif
2621# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2622# define HASATTRIBUTE_NORETURN
2623# endif
2624# if __GNUC__ >= 3 /* gcc 3.0 -> */
2625# define HASATTRIBUTE_PURE
2626# endif
2627# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2628# define HASATTRIBUTE_UNUSED
2629# endif
2630# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2631# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB
2632# endif
2633#endif
b7787f18 2634
f22be1b8 2635
0dbb1585
AL
2636#ifdef HASATTRIBUTE_FORMAT
2637# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2638#endif
2639#ifdef HASATTRIBUTE_MALLOC
abb2c242 2640# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2641#endif
0dbb1585 2642#ifdef HASATTRIBUTE_NONNULL
abb2c242 2643# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2644#endif
0dbb1585 2645#ifdef HASATTRIBUTE_NORETURN
abb2c242 2646# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2647#endif
0dbb1585 2648#ifdef HASATTRIBUTE_PURE
abb2c242 2649# define __attribute__pure__ __attribute__((pure))
f22be1b8 2650#endif
0dbb1585
AL
2651#ifdef HASATTRIBUTE_UNUSED
2652# define __attribute__unused__ __attribute__((unused))
2653#endif
2654#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2655# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2656#endif
2657
0dbb1585
AL
2658/* If we haven't defined the attributes yet, define them to blank. */
2659#ifndef __attribute__format__
2660# define __attribute__format__(x,y,z)
2661#endif
f22be1b8 2662#ifndef __attribute__malloc__
abb2c242 2663# define __attribute__malloc__
f22be1b8
JH
2664#endif
2665#ifndef __attribute__nonnull__
abb2c242 2666# define __attribute__nonnull__(a)
f22be1b8
JH
2667#endif
2668#ifndef __attribute__noreturn__
abb2c242 2669# define __attribute__noreturn__
f22be1b8
JH
2670#endif
2671#ifndef __attribute__pure__
abb2c242 2672# define __attribute__pure__
f22be1b8 2673#endif
0dbb1585
AL
2674#ifndef __attribute__unused__
2675# define __attribute__unused__
2676#endif
f22be1b8 2677#ifndef __attribute__warn_unused_result__
abb2c242
JH
2678# define __attribute__warn_unused_result__
2679#endif
2680
0dbb1585
AL
2681/* For functions that are marked as __attribute__noreturn__, it's not
2682 appropriate to call return. In either case, include the lint directive.
2683 */
2684#ifdef HASATTRIBUTE_NORETURN
2685# define NORETURN_FUNCTION_END /* NOT REACHED */
2686#else
2687# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2688#endif
2689
3fc1aec6
PP
2690/* Some unistd.h's give a prototype for pause() even though
2691 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2692 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2693*/
2694#ifdef HAS_PAUSE
2695#define Pause pause
2696#else
2697#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2698#endif
2699
2700#ifndef IOCPARM_LEN
2701# ifdef IOCPARM_MASK
2702 /* on BSDish systes we're safe */
2703# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2704# else
2705 /* otherwise guess at what's safe */
2706# define IOCPARM_LEN(x) 256
2707# endif
a0d0e21e
LW
2708#endif
2709
1761cee5 2710#if defined(__CYGWIN__)
521e0776
GS
2711/* USEMYBINMODE
2712 * This symbol, if defined, indicates that the program should
16fe6d59 2713 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2714 * that a file is in "binary" mode -- that is, that no translation
2715 * of bytes occurs on read or write operations.
2716 */
36894f0b 2717# define USEMYBINMODE /**/
77a40698 2718# include <io.h> /* for setmode() prototype */
16fe6d59 2719# define my_binmode(fp, iotype, mode) \
77a40698 2720 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2721#endif
2722
88d10794
JH
2723#ifdef __CYGWIN__
2724void init_os_extras(void);
2725#endif
2726
cea2e8a9
GS
2727#ifdef UNION_ANY_DEFINITION
2728UNION_ANY_DEFINITION;
2729#else
2730union any {
2731 void* any_ptr;
2732 I32 any_i32;
2733 IV any_iv;
2734 long any_long;
9febdf04 2735 bool any_bool;
c76ac1ee 2736 void (*any_dptr) (void*);
acfe0abc 2737 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2738};
2739#endif
2740
acfe0abc 2741typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2742
2743#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2744#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2745#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2746
c5078cac
JH
2747#if defined(_AIX) && !defined(_AIX43)
2748#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2749/* We cannot include <crypt.h> to get the struct crypt_data
2750 * because of setkey prototype problems when threading */
2751typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2752 /* From OSF, Not needed in AIX
2753 char C[28], D[28];
2754 */
2755 char E[48];
2756 char KS[16][48];
2757 char block[66];
2758 char iobuf[16];
2759} CRYPTD;
2760#endif /* threading */
2761#endif /* AIX */
2762
af8b425d 2763#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2764# include "iperlsys.h"
2765#endif
504f80c1 2766
d10dc2ae
JH
2767/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2768 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2769 * defined by Configure, despite their names being similar to the
2770 * other defines like USE_ITHREADS. Configure in fact knows nothing
2771 * about the randomised hashes. Therefore to enable/disable the hash
2772 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2773#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2774# define USE_HASH_SEED
504f80c1
JH
2775#endif
2776
378cc40b 2777#include "regexp.h"
79072805 2778#include "sv.h"
378cc40b 2779#include "util.h"
8d063cd8 2780#include "form.h"
79072805 2781#include "gv.h"
dd2155a4 2782#include "pad.h"
79072805 2783#include "cv.h"
abdd5c84 2784#include "opnames.h"
79072805
LW
2785#include "op.h"
2786#include "cop.h"
2787#include "av.h"
2788#include "hv.h"
2789#include "mg.h"
2790#include "scope.h"
4438c4b7 2791#include "warnings.h"
a0ed51b3 2792#include "utf8.h"
8d063cd8 2793
7fae4e64
GS
2794/* Current curly descriptor */
2795typedef struct curcur CURCUR;
2796struct curcur {
2797 int parenfloor; /* how far back to strip paren data */
2798 int cur; /* how many instances of scan we've matched */
2799 int min; /* the minimal number of scans to match */
2800 int max; /* the maximal number of scans to match */
2801 int minmod; /* whether to work our way up or down */
2802 regnode * scan; /* the thing to match */
2803 regnode * next; /* what has to match after it */
2804 char * lastloc; /* where we started matching this scan */
2805 CURCUR * oldcc; /* current curly before we started this one */
2806};
2807
2808typedef struct _sublex_info SUBLEXINFO;
2809struct _sublex_info {
2810 I32 super_state; /* lexer state to save */
2811 I32 sub_inwhat; /* "lex_inwhat" to use */
2812 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2813 char *super_bufptr; /* PL_bufptr that was */
2814 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2815};
2816
455ece5e 2817typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2818
2c2d71f5 2819struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2820struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2821
2822typedef I32 CHECKPOINT;
76e3520e 2823
6f51351d
NC
2824/* Keep next first in this structure, because sv_free_arenas take
2825 advantage of this to share code between the pte arenas and the SV
2826 body arenas */
5f7fde29
GS
2827struct ptr_tbl_ent {
2828 struct ptr_tbl_ent* next;
53c1dcc0 2829 const void* oldval;
5f7fde29 2830 void* newval;
d18c6117
GS
2831};
2832
5f7fde29
GS
2833struct ptr_tbl {
2834 struct ptr_tbl_ent** tbl_ary;
2835 UV tbl_max;
2836 UV tbl_items;
d18c6117
GS
2837};
2838
450a55e4 2839#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2840# define I286
2841#endif
2842
fe14fcc3
LW
2843#if defined(htonl) && !defined(HAS_HTONL)
2844#define HAS_HTONL
ae986130 2845#endif
fe14fcc3
LW
2846#if defined(htons) && !defined(HAS_HTONS)
2847#define HAS_HTONS
ae986130 2848#endif
fe14fcc3
LW
2849#if defined(ntohl) && !defined(HAS_NTOHL)
2850#define HAS_NTOHL
ae986130 2851#endif
fe14fcc3
LW
2852#if defined(ntohs) && !defined(HAS_NTOHS)
2853#define HAS_NTOHS
ae986130 2854#endif
fe14fcc3 2855#ifndef HAS_HTONL
d9d8d8de 2856#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2857#define HAS_HTONS
2858#define HAS_HTONL
2859#define HAS_NTOHS
2860#define HAS_NTOHL
a687059c
LW
2861#define MYSWAP
2862#define htons my_swap
2863#define htonl my_htonl
2864#define ntohs my_swap
2865#define ntohl my_ntohl
2866#endif
2867#else
d9d8d8de 2868#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2869#undef HAS_HTONS
2870#undef HAS_HTONL
2871#undef HAS_NTOHS
2872#undef HAS_NTOHL
a687059c
LW
2873#endif
2874#endif
2875
988174c1
LW
2876/*
2877 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2878 * -DWS
2879 */
2880#if BYTEORDER != 0x1234
2881# define HAS_VTOHL
2882# define HAS_VTOHS
2883# define HAS_HTOVL
2884# define HAS_HTOVS
c67712b2 2885# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2886# define vtohl(x) ((((x)&0xFF)<<24) \
2887 +(((x)>>24)&0xFF) \
2888 +(((x)&0x0000FF00)<<8) \
2889 +(((x)&0x00FF0000)>>8) )
2890# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2891# define htovl(x) vtohl(x)
2892# define htovs(x) vtohs(x)
2893# endif
2894 /* otherwise default to functions in util.c */
2a8c3029 2895#ifndef htovs
c623ac67
GS
2896short htovs(short n);
2897short vtohs(short n);
2898long htovl(long n);
2899long vtohl(long n);
988174c1 2900#endif
2a8c3029 2901#endif
988174c1 2902
3bb7c1b4
JH
2903/* *MAX Plus 1. A floating point value.
2904 Hopefully expressed in a way that dodgy floating point can't mess up.
2905 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2906 is added to it
2907 May find that some broken compiler will want the value cast to I32.
2908 [after the shift, as signed >> may not be as secure as unsigned >>]
2909*/
2910#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2911#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2912/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2913 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2914 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2915*/
2916#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2917
3bb7c1b4
JH
2918#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2919#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2920#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2921
2922/* This may look like unnecessary jumping through hoops, but converting
2923 out of range floating point values to integers *is* undefined behaviour,
2924 and it is starting to bite.
2925*/
2926#ifndef CAST_INLINE
65202027 2927#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2928#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2929#define I_V(what) (cast_iv((NV)(what)))
2930#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2931#else
2932#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2933 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2934 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2935#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2936 : ((n) < U32_MAX_P1 ? (U32) (n) \
2937 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2938#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2939 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2940 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2941#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2942 : ((n) < UV_MAX_P1 ? (UV) (n) \
2943 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2944#endif
2945
2946#define U_S(what) ((U16)U_32(what))
2947#define U_I(what) ((unsigned int)U_32(what))
2948#define U_L(what) U_32(what)
ed6116ce 2949
2d4389e4
JH
2950/* These do not care about the fractional part, only about the range. */
2951#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2952#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2953
25da4f38
IZ
2954/* Used with UV/IV arguments: */
2955 /* XXXX: need to speed it up */
2956#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2957#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2958
352d5a3a
LW
2959#ifndef MAXSYSFD
2960# define MAXSYSFD 2
2961#endif
ee0007ab 2962
79072805 2963#ifndef __cplusplus
27da23d5 2964#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2965Uid_t getuid (void);
2966Uid_t geteuid (void);
2967Gid_t getgid (void);
2968Gid_t getegid (void);
79072805 2969#endif
e1caacb4 2970#endif
8d063cd8 2971
0c30d9ec 2972#ifndef Perl_debug_log
bf49b057
GS
2973# define Perl_debug_log PerlIO_stderr()
2974#endif
2975
2976#ifndef Perl_error_log
2977# define Perl_error_log (PL_stderrgv \
6b78add2 2978 && isGV(PL_stderrgv) \
01bb7c6d 2979 && GvIOp(PL_stderrgv) \
42de951c 2980 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2981 ? IoOFP(GvIOp(PL_stderrgv)) \
2982 : PerlIO_stderr())
0c30d9ec 2983#endif
3967c732 2984
aea4f609
DM
2985
2986#define DEBUG_p_FLAG 0x00000001 /* 1 */
2987#define DEBUG_s_FLAG 0x00000002 /* 2 */
2988#define DEBUG_l_FLAG 0x00000004 /* 4 */
2989#define DEBUG_t_FLAG 0x00000008 /* 8 */
2990#define DEBUG_o_FLAG 0x00000010 /* 16 */
2991#define DEBUG_c_FLAG 0x00000020 /* 32 */
2992#define DEBUG_P_FLAG 0x00000040 /* 64 */
2993#define DEBUG_m_FLAG 0x00000080 /* 128 */
2994#define DEBUG_f_FLAG 0x00000100 /* 256 */
2995#define DEBUG_r_FLAG 0x00000200 /* 512 */
2996#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2997#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2998 /* spare */
aea4f609
DM
2999#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3000#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3001#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3002#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3003#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3004#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3005#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3006#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3007#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3008#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3009#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3010#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3011
3012#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3013#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3014 that something was done? */
aea4f609 3015
bd16a5f0
IZ
3016# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3017# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3018# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3019# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3020# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3021# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3022# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3023# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3024# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3025# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3026# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3027# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3028# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3029# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3030# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3031# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3032# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3033# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3034# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3035# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3036# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3037# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3038# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3039# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3040
3967c732 3041#ifdef DEBUGGING
aea4f609 3042
bd16a5f0
IZ
3043# define DEBUG_p_TEST DEBUG_p_TEST_
3044# define DEBUG_s_TEST DEBUG_s_TEST_
3045# define DEBUG_l_TEST DEBUG_l_TEST_
3046# define DEBUG_t_TEST DEBUG_t_TEST_
3047# define DEBUG_o_TEST DEBUG_o_TEST_
3048# define DEBUG_c_TEST DEBUG_c_TEST_
3049# define DEBUG_P_TEST DEBUG_P_TEST_
3050# define DEBUG_m_TEST DEBUG_m_TEST_
3051# define DEBUG_f_TEST DEBUG_f_TEST_
3052# define DEBUG_r_TEST DEBUG_r_TEST_
3053# define DEBUG_x_TEST DEBUG_x_TEST_
3054# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3055# define DEBUG_H_TEST DEBUG_H_TEST_
3056# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3057# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3058# define DEBUG_D_TEST DEBUG_D_TEST_
3059# define DEBUG_S_TEST DEBUG_S_TEST_
3060# define DEBUG_T_TEST DEBUG_T_TEST_
3061# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3062# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3063# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3064# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3065# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3066# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3067
488b0c7a
JH
3068# define PERL_DEB(a) a
3069# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3070# define DEBUG_p(a) if (DEBUG_p_TEST) a
3071# define DEBUG_s(a) if (DEBUG_s_TEST) a
3072# define DEBUG_l(a) if (DEBUG_l_TEST) a
3073# define DEBUG_t(a) if (DEBUG_t_TEST) a
3074# define DEBUG_o(a) if (DEBUG_o_TEST) a
3075# define DEBUG_c(a) if (DEBUG_c_TEST) a
3076# define DEBUG_P(a) if (DEBUG_P_TEST) a
3077
969058bb
VK
3078 /* Temporarily turn off memory debugging in case the a
3079 * does memory allocation, either directly or indirectly. */
acfe0abc 3080# define DEBUG_m(a) \
0b250b9e 3081 STMT_START { \
aea4f609 3082 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3083 } STMT_END
aea4f609 3084
5f80b19c
AMS
3085# define DEBUG__(t, a) \
3086 STMT_START { \
3087 if (t) STMT_START {a;} STMT_END; \
3088 } STMT_END
3089
3090# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3091# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3092# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3093# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3094# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3095# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3096# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3097# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3098
3db8f154 3099# define DEBUG_S(a)
aea4f609 3100
5f80b19c
AMS
3101# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3102# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3103# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3104# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3105# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3106# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3107
3108#else /* DEBUGGING */
3109
3110# define DEBUG_p_TEST (0)
3111# define DEBUG_s_TEST (0)
3112# define DEBUG_l_TEST (0)
3113# define DEBUG_t_TEST (0)
3114# define DEBUG_o_TEST (0)
3115# define DEBUG_c_TEST (0)
3116# define DEBUG_P_TEST (0)
3117# define DEBUG_m_TEST (0)
3118# define DEBUG_f_TEST (0)
3119# define DEBUG_r_TEST (0)
3120# define DEBUG_x_TEST (0)
3121# define DEBUG_u_TEST (0)
aea4f609
DM
3122# define DEBUG_H_TEST (0)
3123# define DEBUG_X_TEST (0)
dd2155a4 3124# define DEBUG_Xv_TEST (0)
aea4f609
DM
3125# define DEBUG_D_TEST (0)
3126# define DEBUG_S_TEST (0)
3127# define DEBUG_T_TEST (0)
04932ac8 3128# define DEBUG_R_TEST (0)
1045810a 3129# define DEBUG_J_TEST (0)
d6721266 3130# define DEBUG_v_TEST (0)
46187eeb 3131# define DEBUG_C_TEST (0)
ecae49c0
NC
3132# define DEBUG_A_TEST (0)
3133# define DEBUG_q_TEST (0)
aea4f609 3134
488b0c7a
JH
3135# define PERL_DEB(a)
3136# define PERL_DEBUG(a)
aea4f609
DM
3137# define DEBUG_p(a)
3138# define DEBUG_s(a)
3139# define DEBUG_l(a)
3140# define DEBUG_t(a)
3141# define DEBUG_o(a)
3142# define DEBUG_c(a)
3143# define DEBUG_P(a)
3144# define DEBUG_m(a)
3145# define DEBUG_f(a)
3146# define DEBUG_r(a)
3147# define DEBUG_x(a)
3148# define DEBUG_u(a)
aea4f609
DM
3149# define DEBUG_H(a)
3150# define DEBUG_X(a)
dd2155a4 3151# define DEBUG_Xv(a)
aea4f609
DM
3152# define DEBUG_D(a)
3153# define DEBUG_S(a)
3154# define DEBUG_T(a)
04932ac8 3155# define DEBUG_R(a)
d6721266 3156# define DEBUG_v(a)
46187eeb 3157# define DEBUG_C(a)
ecae49c0
NC
3158# define DEBUG_A(a)
3159# define DEBUG_q(a)
aea4f609
DM
3160#endif /* DEBUGGING */
3161
3162
b4ab917c
DM
3163#define DEBUG_SCOPE(where) \
3164 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3165 where, PL_scopestack_ix, __FILE__, __LINE__)));
3166
3167
3168
3169
d1be9408 3170/* These constants should be used in preference to raw characters
14befaf4
DM
3171 * when using magic. Note that some perl guts still assume
3172 * certain character properties of these constants, namely that
3173 * isUPPER() and toLOWER() may do useful mappings.
3174 *
3175 * Update the magic_names table in dump.c when adding/amending these
3176 */
3177
3178#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3179#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3180#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3181#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3182#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3183#define PERL_MAGIC_regdata 'D' /* Regex match position data
3184 (@+ and @- vars) */
3185#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3186#define PERL_MAGIC_env 'E' /* %ENV hash */
3187#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3188#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3189#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3190#define PERL_MAGIC_isa 'I' /* @ISA array */
3191#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3192#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3193#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3194#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3195#define PERL_MAGIC_mutex 'm' /* for lock op */
3196#define PERL_MAGIC_shared 'N' /* Shared between threads */
3197#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3198#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3199#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3200#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3201#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3202#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3203#define PERL_MAGIC_sig 'S' /* %SIG hash */
3204#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3205#define PERL_MAGIC_taint 't' /* Taintedness */
3206#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3207#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3208#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3209#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3210#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3211#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3212#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3213 smart parameter vivification */
3214#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3215#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3216#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3217#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3218#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3219#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3220#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3221#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3222
3223
a6e633de 3224#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3225#define assert(what) PERL_DEB( \
3226 ((what) ? ((void) 0) : \
60b9f5a7
NC
3227 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3228 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3229 PerlProc_exit(1), \
3230 (void) 0)))
a446a88f 3231#endif
8d063cd8 3232
450a55e4 3233struct ufuncs {
24f81a43
DM
3234 I32 (*uf_val)(pTHX_ IV, SV*);
3235 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3236 IV uf_index;
450a55e4
LW
3237};
3238
14befaf4 3239/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3240 * XS code wanting to be backward compatible can do something
3241 * like the following:
c745e42c 3242
24f81a43 3243#ifndef PERL_MG_UFUNC
24f81a43
DM
3244#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3245#endif
3246
3247static PERL_MG_UFUNC(foo_get, index, val)
3248{
3249 sv_setsv(val, ...);
3250 return TRUE;
3251}
3252
3253-- Doug MacEachern
3254
3255*/
3256
fc9c74e6 3257#ifndef PERL_MG_UFUNC
24f81a43 3258#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3259#endif
24f81a43 3260
fe14fcc3 3261/* Fix these up for __STDC__ */
68dc0745 3262#ifndef DONT_DECLARE_STD
20ce7b12 3263char *mktemp (char*);
37bd1396 3264#ifndef atof
20ce7b12 3265double atof (const char*);
a0d0e21e 3266#endif
37bd1396 3267#endif
79072805 3268
352d5a3a 3269#ifndef STANDARD_C
fe14fcc3 3270/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3271Time_t time();
8d063cd8 3272struct tm *gmtime(), *localtime();
092bebab 3273#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3274char *(strchr)(), *(strrchr)();
3275char *(strcpy)(), *(strcat)();
3276#else
93a17b20 3277char *strchr(), *strrchr();
378cc40b 3278char *strcpy(), *strcat();
9d116dd7 3279#endif
352d5a3a 3280#endif /* ! STANDARD_C */
8d063cd8 3281
79072805
LW
3282
3283#ifdef I_MATH
3284# include <math.h>
3285#else
32f822de 3286START_EXTERN_C
20ce7b12
GS
3287 double exp (double);
3288 double log (double);
3289 double log10 (double);
3290 double sqrt (double);
3291 double frexp (double,int*);
3292 double ldexp (double,int);
3293 double modf (double,double*);
3294 double sin (double);
3295 double cos (double);
3296 double atan2 (double,double);
3297 double pow (double,double);
32f822de 3298END_EXTERN_C
79072805
LW
3299#endif
3300
aa8b85de
JH
3301#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3302# define NV_INF LDBL_INFINITY
3303#endif
3304#if !defined(NV_INF) && defined(DBL_INFINITY)
3305# define NV_INF (NV)DBL_INFINITY
3306#endif
3307#if !defined(NV_INF) && defined(INFINITY)
3308# define NV_INF (NV)INFINITY
3309#endif
3310#if !defined(NV_INF) && defined(INF)
3311# define NV_INF (NV)INF
3312#endif
3313#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3314# define NV_INF (NV)HUGE_VALL
3315#endif
3316#if !defined(NV_INF) && defined(HUGE_VAL)
3317# define NV_INF (NV)HUGE_VAL
3318#endif
3319
3320#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3321# if !defined(NV_NAN) && defined(LDBL_NAN)
3322# define NV_NAN LDBL_NAN
3323# endif
3324# if !defined(NV_NAN) && defined(LDBL_QNAN)
3325# define NV_NAN LDBL_QNAN
3326# endif
3327# if !defined(NV_NAN) && defined(LDBL_SNAN)
3328# define NV_NAN LDBL_SNAN
3329# endif
3330#endif
3331#if !defined(NV_NAN) && defined(DBL_NAN)
3332# define NV_NAN (NV)DBL_NAN
3333#endif
3334#if !defined(NV_NAN) && defined(DBL_QNAN)
3335# define NV_NAN (NV)DBL_QNAN
3336#endif
3337#if !defined(NV_NAN) && defined(DBL_SNAN)
3338# define NV_NAN (NV)DBL_SNAN
3339#endif
3340#if !defined(NV_NAN) && defined(QNAN)
3341# define NV_NAN (NV)QNAN
3342#endif
3343#if !defined(NV_NAN) && defined(SNAN)
3344# define NV_NAN (NV)SNAN
3345#endif
3346#if !defined(NV_NAN) && defined(NAN)
3347# define NV_NAN (NV)NAN
3348#endif
3349
a0d0e21e 3350#ifndef __cplusplus
8f1f23e8 3351# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3352char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3353# else
fd8cd3a3 3354# if !defined(WIN32) && !defined(VMS)
10bc17b6 3355#ifndef crypt
20ce7b12 3356char *crypt (const char*, const char*);
10bc17b6 3357#endif
5014db98 3358# endif /* !WIN32 */
8f1f23e8 3359# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3360# ifndef DONT_DECLARE_STD
3361# ifndef getenv
20ce7b12 3362char *getenv (const char*);
26618a56 3363# endif /* !getenv */
28ca6303 3364# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3365# ifdef _FILE_OFFSET_BITS
28ca6303 3366# if _FILE_OFFSET_BITS == 64
20ce7b12 3367Off_t lseek (int,Off_t,int);
0fc67700
JH
3368# endif
3369# endif
bf0c440f 3370# endif
26618a56 3371# endif /* !DONT_DECLARE_STD */
10bc17b6 3372#ifndef getlogin
20ce7b12 3373char *getlogin (void);
10bc17b6 3374#endif
26618a56 3375#endif /* !__cplusplus */
79072805 3376
16d20bd9 3377#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3378#define UNLINK unlnk
20ce7b12 3379I32 unlnk (char*);
8d063cd8 3380#else
80252599 3381#define UNLINK PerlLIO_unlink
8d063cd8 3382#endif
a687059c 3383
fa0a29af
JH
3384/* some versions of glibc are missing the setresuid() proto */
3385#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3386int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3387#endif
fa0a29af
JH
3388/* some versions of glibc are missing the setresgid() proto */
3389#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3390int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3391#endif
3392
fe14fcc3 3393#ifndef HAS_SETREUID
85e6fe83
LW
3394# ifdef HAS_SETRESUID
3395# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3396# define HAS_SETREUID
3397# endif
a687059c 3398#endif
fe14fcc3 3399#ifndef HAS_SETREGID
85e6fe83
LW
3400# ifdef HAS_SETRESGID
3401# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3402# define HAS_SETREGID
3403# endif
a687059c 3404#endif
ee0007ab 3405
d543acb6 3406/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3407
3408#ifdef HAS_SIGACTION
3409typedef struct sigaction Sigsave_t;
3410#else
3411typedef Sighandler_t Sigsave_t;
3412#endif
3413
ee0007ab
LW
3414#define SCAN_DEF 0
3415#define SCAN_TR 1
3416#define SCAN_REPL 2
79072805
LW
3417
3418#ifdef DEBUGGING
4633a7c4 3419# ifndef register
a0d0e21e
LW
3420# define register
3421# endif
cea2e8a9 3422# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3423#else
cea2e8a9 3424# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3425#endif
3426
18f739ee 3427#ifdef MYMALLOC
772fe5b3 3428# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3429# define MALLOC_INIT \
3430 STMT_START { \
3431 PL_malloc_mutex = NULL; \
3432 MUTEX_INIT(&PL_malloc_mutex); \
3433 } STMT_END
3434# define MALLOC_TERM \
3435 STMT_START { \
3436 perl_mutex tmp = PL_malloc_mutex; \
3437 PL_malloc_mutex = NULL; \
3438 MUTEX_DESTROY(&tmp); \
3439 } STMT_END
3440# else
3441# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3442# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3443# endif
18f739ee
IZ
3444#else
3445# define MALLOC_INIT
3446# define MALLOC_TERM
3447#endif
3448
b6d9d515 3449
0cb96387 3450typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3451typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3452typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3453typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3454
940cb80d 3455/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3456#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3457
8f1f23e8
W
3458/* NeXT has problems with crt0.o globals */
3459#if defined(__DYNAMIC__) && \
6239f2da 3460 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3461# if defined(NeXT) || defined(__NeXT)
3462# include <mach-o/dyld.h>
3463# define environ (*environ_pointer)
0c30d9ec 3464EXT char *** environ_pointer;
8f1f23e8 3465# else
6239f2da 3466# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3467# include <crt_externs.h> /* for the env array */
3468# define environ (*_NSGetEnviron())
3469# endif
0c30d9ec 3470# endif
8f1f23e8
W
3471#else
3472 /* VMS and some other platforms don't use the environ array */
13b6e58c 3473# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3474# if !defined(DONT_DECLARE_STD) || \
3475 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3476 defined(__sgi) || \
d460ef45 3477 defined(__DGUX)
8f1f23e8 3478extern char ** environ; /* environment variables supplied via exec */
a6c40364 3479# endif
8f1f23e8
W
3480# endif
3481#endif
79072805 3482
73c4f7a1
GS
3483START_EXTERN_C
3484
79072805 3485/* handy constants */
22c35a8c 3486EXTCONST char PL_warn_uninit[]
29489e7c 3487 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3488EXTCONST char PL_warn_nosemi[]
463ee0b2 3489 INIT("Semicolon seems to be missing");
22c35a8c 3490EXTCONST char PL_warn_reserved[]
463ee0b2 3491 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3492EXTCONST char PL_warn_nl[]
93a17b20 3493 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3494EXTCONST char PL_no_wrongref[]
a0d0e21e 3495 INIT("Can't use %s ref as %s ref");
22c35a8c 3496EXTCONST char PL_no_symref[]
748a9306 3497 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3498EXTCONST char PL_no_symref_sv[]
014ead4b 3499 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3500EXTCONST char PL_no_usym[]
8990e307 3501 INIT("Can't use an undefined value as %s reference");
22c35a8c 3502EXTCONST char PL_no_aelem[]
93a17b20 3503 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3504EXTCONST char PL_no_helem_sv[]
3505 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3506EXTCONST char PL_no_modify[]
93a17b20 3507 INIT("Modification of a read-only value attempted");
22c35a8c 3508EXTCONST char PL_no_mem[]
93a17b20 3509 INIT("Out of memory!\n");
22c35a8c 3510EXTCONST char PL_no_security[]
463ee0b2 3511 INIT("Insecure dependency in %s%s");
22c35a8c 3512EXTCONST char PL_no_sock_func[]
93a17b20 3513 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3514EXTCONST char PL_no_dir_func[]
93a17b20 3515 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3516EXTCONST char PL_no_func[]
93a17b20 3517 INIT("The %s function is unimplemented");
22c35a8c 3518EXTCONST char PL_no_myglob[]
748a9306 3519 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3520EXTCONST char PL_no_localize_ref[]
3521 INIT("Can't localize through a reference");
27d5b266
JH
3522#ifdef PERL_MALLOC_WRAP
3523EXTCONST char PL_memory_wrap[]
3524 INIT("panic: memory wrap");
3525#endif
93a17b20 3526
7575fa06 3527EXTCONST char PL_uuemap[65]
80252599
GS
3528 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3529
3530
79072805 3531#ifdef DOINIT
27da23d5
JH
3532EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3533EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3534#else
27da23d5
JH
3535EXTCONST char* const PL_sig_name[];
3536EXTCONST int PL_sig_num[];
79072805
LW
3537#endif
3538
3bd709b1 3539/* fast conversion and case folding tables */
bbce6d69 3540
79072805 3541#ifdef DOINIT
9d116dd7 3542#ifdef EBCDIC
27da23d5 3543EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3544 0, 1, 2, 3, 4, 5, 6, 7,
3545 8, 9, 10, 11, 12, 13, 14, 15,
3546 16, 17, 18, 19, 20, 21, 22, 23,
3547 24, 25, 26, 27, 28, 29, 30, 31,
3548 32, 33, 34, 35, 36, 37, 38, 39,
3549 40, 41, 42, 43, 44, 45, 46, 47,
3550 48, 49, 50, 51, 52, 53, 54, 55,
3551 56, 57, 58, 59, 60, 61, 62, 63,
3552 64, 65, 66, 67, 68, 69, 70, 71,
3553 72, 73, 74, 75, 76, 77, 78, 79,
3554 80, 81, 82, 83, 84, 85, 86, 87,
3555 88, 89, 90, 91, 92, 93, 94, 95,
3556 96, 97, 98, 99, 100, 101, 102, 103,
3557 104, 105, 106, 107, 108, 109, 110, 111,
3558 112, 113, 114, 115, 116, 117, 118, 119,
3559 120, 121, 122, 123, 124, 125, 126, 127,
3560 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3561 'H', 'I', 138, 139, 140, 141, 142, 143,
3562 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3563 'Q', 'R', 154, 155, 156, 157, 158, 159,
3564 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3565 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3566 176, 177, 178, 179, 180, 181, 182, 183,
3567 184, 185, 186, 187, 188, 189, 190, 191,
3568 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3569 'h', 'i', 202, 203, 204, 205, 206, 207,
3570 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3571 'q', 'r', 218, 219, 220, 221, 222, 223,
3572 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3573 'y', 'z', 234, 235, 236, 237, 238, 239,
3574 240, 241, 242, 243, 244, 245, 246, 247,
3575 248, 249, 250, 251, 252, 253, 254, 255
3576};
3577#else /* ascii rather than ebcdic */
22c35a8c 3578EXTCONST unsigned char PL_fold[] = {
79072805
LW
3579 0, 1, 2, 3, 4, 5, 6, 7,
3580 8, 9, 10, 11, 12, 13, 14, 15,
3581 16, 17, 18, 19, 20, 21, 22, 23,
3582 24, 25, 26, 27, 28, 29, 30, 31,
3583 32, 33, 34, 35, 36, 37, 38, 39,
3584 40, 41, 42, 43, 44, 45, 46, 47,
3585 48, 49, 50, 51, 52, 53, 54, 55,
3586 56, 57, 58, 59, 60, 61, 62, 63,
3587 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3588 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3589 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3590 'x', 'y', 'z', 91, 92, 93, 94, 95,
3591 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3592 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3593 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3594 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3595 128, 129, 130, 131, 132, 133, 134, 135,
3596 136, 137, 138, 139, 140, 141, 142, 143,
3597 144, 145, 146, 147, 148, 149, 150, 151,
3598 152, 153, 154, 155, 156, 157, 158, 159,
3599 160, 161, 162, 163, 164, 165, 166, 167,
3600 168, 169, 170, 171, 172, 173, 174, 175,
3601 176, 177, 178, 179, 180, 181, 182, 183,
3602 184, 185, 186, 187, 188, 189, 190, 191,
3603 192, 193, 194, 195, 196, 197, 198, 199,
3604 200, 201, 202, 203, 204, 205, 206, 207,
3605 208, 209, 210, 211, 212, 213, 214, 215,
3606 216, 217, 218, 219, 220, 221, 222, 223,
3607 224, 225, 226, 227, 228, 229, 230, 231,
3608 232, 233, 234, 235, 236, 237, 238, 239,
3609 240, 241, 242, 243, 244, 245, 246, 247,
3610 248, 249, 250, 251, 252, 253, 254, 255
3611};
9d116dd7 3612#endif /* !EBCDIC */
79072805 3613#else
22c35a8c 3614EXTCONST unsigned char PL_fold[];
79072805
LW
3615#endif
3616
27da23d5 3617#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3618#ifdef DOINIT
27da23d5 3619EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3620 0, 1, 2, 3, 4, 5, 6, 7,
3621 8, 9, 10, 11, 12, 13, 14, 15,
3622 16, 17, 18, 19, 20, 21, 22, 23,
3623 24, 25, 26, 27, 28, 29, 30, 31,
3624 32, 33, 34, 35, 36, 37, 38, 39,
3625 40, 41, 42, 43, 44, 45, 46, 47,
3626 48, 49, 50, 51, 52, 53, 54, 55,
3627 56, 57, 58, 59, 60, 61, 62, 63,
3628 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3629 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3630 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3631 'x', 'y', 'z', 91, 92, 93, 94, 95,
3632 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3633 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3634 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3635 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3636 128, 129, 130, 131, 132, 133, 134, 135,
3637 136, 137, 138, 139, 140, 141, 142, 143,
3638 144, 145, 146, 147, 148, 149, 150, 151,
3639 152, 153, 154, 155, 156, 157, 158, 159,
3640 160, 161, 162, 163, 164, 165, 166, 167,
3641 168, 169, 170, 171, 172, 173, 174, 175,
3642 176, 177, 178, 179, 180, 181, 182, 183,
3643 184, 185, 186, 187, 188, 189, 190, 191,
3644 192, 193, 194, 195, 196, 197, 198, 199,
3645 200, 201, 202, 203, 204, 205, 206, 207,
3646 208, 209, 210, 211, 212, 213, 214, 215,
3647 216, 217, 218, 219, 220, 221, 222, 223,
3648 224, 225, 226, 227, 228, 229, 230, 231,
3649 232, 233, 234, 235, 236, 237, 238, 239,
3650 240, 241, 242, 243, 244, 245, 246, 247,
3651 248, 249, 250, 251, 252, 253, 254, 255
3652};
3653#else
27da23d5 3654EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3655#endif
27da23d5 3656#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3657
3658#ifdef DOINIT
9d116dd7 3659#ifdef EBCDIC
27da23d5 3660EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3661 1, 2, 84, 151, 154, 155, 156, 157,
3662 165, 246, 250, 3, 158, 7, 18, 29,
3663 40, 51, 62, 73, 85, 96, 107, 118,
3664 129, 140, 147, 148, 149, 150, 152, 153,
3665 255, 6, 8, 9, 10, 11, 12, 13,
3666 14, 15, 24, 25, 26, 27, 28, 226,
3667 29, 30, 31, 32, 33, 43, 44, 45,
3668 46, 47, 48, 49, 50, 76, 77, 78,
3669 79, 80, 81, 82, 83, 84, 85, 86,
3670 87, 94, 95, 234, 181, 233, 187, 190,
3671 180, 96, 97, 98, 99, 100, 101, 102,
3672 104, 112, 182, 174, 236, 232, 229, 103,
3673 228, 226, 114, 115, 116, 117, 118, 119,
3674 120, 121, 122, 235, 176, 230, 194, 162,
3675 130, 131, 132, 133, 134, 135, 136, 137,
3676 138, 139, 201, 205, 163, 217, 220, 224,
3677 5, 248, 227, 244, 242, 255, 241, 231,
3678 240, 253, 16, 197, 19, 20, 21, 187,
3679 23, 169, 210, 245, 237, 249, 247, 239,
3680 168, 252, 34, 196, 36, 37, 38, 39,
3681 41, 42, 251, 254, 238, 223, 221, 213,
3682 225, 177, 52, 53, 54, 55, 56, 57,
3683 58, 59, 60, 61, 63, 64, 65, 66,
3684 67, 68, 69, 70, 71, 72, 74, 75,
3685 205, 208, 186, 202, 200, 218, 198, 179,
3686 178, 214, 88, 89, 90, 91, 92, 93,
3687 217, 166, 170, 207, 199, 209, 206, 204,
3688 160, 212, 105, 106, 108, 109, 110, 111,
3689 203, 113, 216, 215, 192, 175, 193, 243,
3690 172, 161, 123, 124, 125, 126, 127, 128,
3691 222, 219, 211, 195, 188, 193, 185, 184,
3692 191, 183, 141, 142, 143, 144, 145, 146
3693};
3694#else /* ascii rather than ebcdic */
22c35a8c 3695EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3696 1, 2, 84, 151, 154, 155, 156, 157,
3697 165, 246, 250, 3, 158, 7, 18, 29,
3698 40, 51, 62, 73, 85, 96, 107, 118,
3699 129, 140, 147, 148, 149, 150, 152, 153,
3700 255, 182, 224, 205, 174, 176, 180, 217,
3701 233, 232, 236, 187, 235, 228, 234, 226,
3702 222, 219, 211, 195, 188, 193, 185, 184,
3703 191, 183, 201, 229, 181, 220, 194, 162,
3704 163, 208, 186, 202, 200, 218, 198, 179,
3705 178, 214, 166, 170, 207, 199, 209, 206,
3706 204, 160, 212, 216, 215, 192, 175, 173,
3707 243, 172, 161, 190, 203, 189, 164, 230,
3708 167, 248, 227, 244, 242, 255, 241, 231,
3709 240, 253, 169, 210, 245, 237, 249, 247,
3710 239, 168, 252, 251, 254, 238, 223, 221,
3711 213, 225, 177, 197, 171, 196, 159, 4,
3712 5, 6, 8, 9, 10, 11, 12, 13,
3713 14, 15, 16, 17, 19, 20, 21, 22,
3714 23, 24, 25, 26, 27, 28, 30, 31,
3715 32, 33, 34, 35, 36, 37, 38, 39,
3716 41, 42, 43, 44, 45, 46, 47, 48,
3717 49, 50, 52, 53, 54, 55, 56, 57,
3718 58, 59, 60, 61, 63, 64, 65, 66,
3719 67, 68, 69, 70, 71, 72, 74, 75,
3720 76, 77, 78, 79, 80, 81, 82, 83,
3721 86, 87, 88, 89, 90, 91, 92, 93,
3722 94, 95, 97, 98, 99, 100, 101, 102,
3723 103, 104, 105, 106, 108, 109, 110, 111,
3724 112, 113, 114, 115, 116, 117, 119, 120,
3725 121, 122, 123, 124, 125, 126, 127, 128,
3726 130, 131, 132, 133, 134, 135, 136, 137,
3727 138, 139, 141, 142, 143, 144, 145, 146
3728};
9d116dd7 3729#endif
79072805 3730#else
22c35a8c 3731EXTCONST unsigned char PL_freq[];
79072805
LW
3732#endif
3733
8990e307
LW
3734#ifdef DEBUGGING
3735#ifdef DOINIT
27da23d5 3736EXTCONST char* const PL_block_type[] = {
8990e307
LW
3737 "NULL",
3738 "SUB",
3739 "EVAL",
3740 "LOOP",
3741 "SUBST",
3742 "BLOCK",
3743};
3744#else
22c35a8c 3745EXTCONST char* PL_block_type[];
8990e307
LW
3746#endif
3747#endif
3748
73c4f7a1
GS
3749END_EXTERN_C
3750
79072805
LW
3751/*****************************************************************************/
3752/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3753/*****************************************************************************/
8990e307 3754/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3755
d4c3c482 3756#ifdef __Lynx__
9cffb111
OS
3757/* LynxOS defines these in scsi.h which is included via ioctl.h */
3758#ifdef FORMAT
3759#undef FORMAT
3760#endif
3761#ifdef SPACE
3762#undef SPACE
3763#endif
d4c3c482 3764#endif
9cffb111 3765
1fd33325
MHM
3766/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3767 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3768 * it's not really needed.
3769 */
3770#if defined(WIN32)
3771# define YYTOKENTYPE
3772#endif
a0d0e21e
LW
3773#include "perly.h"
3774
fb73857a
PP
3775#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3776
79072805
LW
3777typedef enum {
3778 XOPERATOR,
3779 XTERM,
79072805 3780 XREF,
8990e307 3781 XSTATE,
a0d0e21e 3782 XBLOCK,
09bef843
SB
3783 XATTRBLOCK,
3784 XATTRTERM,
6f33ba73
RGS
3785 XTERMBLOCK,
3786 XTERMORDORDOR /* evil hack */
27308ded 3787 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3788} expectation;
3789
dc9e4912
GS
3790enum { /* pass one of these to get_vtbl */
3791 want_vtbl_sv,
3792 want_vtbl_env,
3793 want_vtbl_envelem,
3794 want_vtbl_sig,
3795 want_vtbl_sigelem,
3796 want_vtbl_pack,
3797 want_vtbl_packelem,
3798 want_vtbl_dbline,
3799 want_vtbl_isa,
3800 want_vtbl_isaelem,
3801 want_vtbl_arylen,
3802 want_vtbl_glob,
3803 want_vtbl_mglob,
3804 want_vtbl_nkeys,
3805 want_vtbl_taint,
3806 want_vtbl_substr,
3807 want_vtbl_vec,
3808 want_vtbl_pos,
3809 want_vtbl_bm,
3810 want_vtbl_fm,
3811 want_vtbl_uvar,
3812 want_vtbl_defelem,
3813 want_vtbl_regexp,
3814 want_vtbl_collxfrm,
3815 want_vtbl_amagic,
3816 want_vtbl_amagicelem,
dc9e4912 3817 want_vtbl_regdata,
810b8aa5 3818 want_vtbl_regdatum,
7e8c5dac 3819 want_vtbl_backref,
8d2f4536 3820 want_vtbl_utf8,
83bf042f
NC
3821 want_vtbl_symtab,
3822 want_vtbl_arylen_p
dc9e4912
GS
3823};
3824
85e6fe83
LW</