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Same fix, for the test, now.
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
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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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JH
35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
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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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JH
47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
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54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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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
4373e329
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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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 */
a3b680e6 213#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 214
ad73156c
AL
215#ifndef LINT_UNUSED_ARG
216# ifdef lint
217# include <note.h>
218# define LINT_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
219# else
220# define LINT_UNUSED_ARG(x)
221# endif
222#endif
223
0cb96387 224#define NOOP (void)0
44dbb695 225#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 226
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227#ifndef pTHX
228# define pTHX void
229# define pTHX_
0cb96387
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230# define aTHX
231# define aTHX_
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232# define dTHXa(a) dNOOP
233# define dTHX dNOOP
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234# define pTHX_1 1
235# define pTHX_2 2
236# define pTHX_3 3
237# define pTHX_4 4
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238# define pTHX_5 5
239# define pTHX_6 6
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240# define pTHX_7 7
241# define pTHX_8 8
242# define pTHX_9 9
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243#endif
244
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245#ifndef dVAR
246# define dVAR dNOOP
247#endif
248
b4f7f263
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249/* these are only defined for compatibility; should not be used internally */
250#if !defined(pTHXo) && !defined(PERL_CORE)
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251# define pTHXo pTHX
252# define pTHXo_ pTHX_
0cb96387
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253# define aTHXo aTHX
254# define aTHXo_ aTHX_
c5be433b 255# define dTHXo dTHX
71d280e3 256# define dTHXoa(x) dTHXa(x)
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257#endif
258
259#ifndef pTHXx
260# define pTHXx register PerlInterpreter *my_perl
261# define pTHXx_ pTHXx,
0cb96387
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262# define aTHXx my_perl
263# define aTHXx_ aTHXx,
c5be433b 264# define dTHXx dTHX
22c35a8c 265#endif
71be2cbc 266
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267/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
268 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
269 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
270#ifdef PERL_IMPLICIT_SYS
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271# ifdef PERL_GLOBAL_STRUCT_PRIVATE
272# define dTHXs dVAR; dTHX
273# else
274# define dTHXs dTHX
275# endif
1de7c2ac 276#else
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277# ifdef PERL_GLOBAL_STRUCT_PRIVATE
278# define dTHXs dVAR
279# else
280# define dTHXs dNOOP
281# endif
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282#endif
283
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284#undef START_EXTERN_C
285#undef END_EXTERN_C
286#undef EXTERN_C
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287#ifdef __cplusplus
288# define START_EXTERN_C extern "C" {
289# define END_EXTERN_C }
290# define EXTERN_C extern "C"
291#else
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292# define START_EXTERN_C
293# define END_EXTERN_C
73c4f7a1 294# define EXTERN_C extern
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295#endif
296
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297/* Some platforms require marking function declarations
298 * for them to be exportable. Used in perlio.h, proto.h
299 * is handled either by the makedef.pl or by defining the
300 * PERL_CALLCONV to be something special. See also the
301 * definition of XS() in XSUB.h. */
302#ifndef PERL_EXPORT_C
303# define PERL_EXPORT_C extern
304#endif
305#ifndef PERL_XS_EXPORT_C
306# define PERL_XS_EXPORT_C
307#endif
308
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309#ifdef OP_IN_REGISTER
310# ifdef __GNUC__
311# define stringify_immed(s) #s
312# define stringify(s) stringify_immed(s)
d1ca3daa 313register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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314# endif
315#endif
316
5dc8bdac 317#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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318# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
319# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
320# endif
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321#endif
322
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323/*
324 * STMT_START { statements; } STMT_END;
325 * can be used as a single statement, as in
326 * if (x) STMT_START { ... } STMT_END; else ...
327 *
328 * Trying to select a version that gives no warnings...
329 */
330#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 331# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 332# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
333# define STMT_END )
334# else
335 /* Now which other defined()s do we need here ??? */
93189314 336# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
337# define STMT_START if (1)
338# define STMT_END else (void)0
339# else
340# define STMT_START do
341# define STMT_END while (0)
342# endif
343# endif
344#endif
345
0cb96387 346#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 347#define WITH_THR(s) WITH_THX(s)
ea0efc06 348
55497cff
PP
349/*
350 * SOFT_CAST can be used for args to prototyped functions to retain some
351 * type checking; it only casts if the compiler does not know prototypes.
352 */
353#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
354#define SOFT_CAST(type)
355#else
356#define SOFT_CAST(type) (type)
357#endif
79072805 358
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JH
359#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
360# define BYTEORDER 0x1234
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361#endif
362
363/* Overall memory policy? */
364#ifndef CONSERVATIVE
365# define LIBERAL 1
366#endif
367
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JH
368#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
369#define ASCIIish
370#else
371#undef ASCIIish
372#endif
373
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374/*
375 * The following contortions are brought to you on behalf of all the
376 * standards, semi-standards, de facto standards, not-so-de-facto standards
377 * of the world, as well as all the other botches anyone ever thought of.
378 * The basic theory is that if we work hard enough here, the rest of the
379 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
380 */
ac58e20f 381
ee0007ab 382/* define this once if either system, instead of cluttering up the src */
2986a63f 383#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
384#define DOSISH 1
385#endif
386
27da23d5 387#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
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388# define STANDARD_C 1
389#endif
390
a03dbf46 391#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
392# define DONT_DECLARE_STD 1
393#endif
394
352d5a3a 395#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 396# ifdef __cplusplus
cb69f87a 397# define VOL /* to temporarily suppress warnings */
79072805
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398# else
399# define VOL volatile
400# endif
663a0e37 401#else
79072805 402# define VOL
663a0e37
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403#endif
404
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NIS
405#define TAINT (PL_tainted = TRUE)
406#define TAINT_NOT (PL_tainted = FALSE)
407#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
408#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 409#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 410
d460ef45 411/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
412 defines move there? If so, I could simplify this a lot. --AD 9/96.
413*/
414/* Process group stuff changed from traditional BSD to POSIX.
415 perlfunc.pod documents the traditional BSD-style syntax, so we'll
416 try to preserve that, if possible.
417*/
418#ifdef HAS_SETPGID
419# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 420#else
a6e633de
PP
421# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
422# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
423# else
424# ifdef HAS_SETPGRP2 /* DG/UX */
425# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
426# endif
427# endif
428#endif
429#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
430# define HAS_SETPGRP /* Well, effectively it does . . . */
431#endif
432
433/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
434 our life easier :-) so we'll try it.
435*/
436#ifdef HAS_GETPGID
437# define BSD_GETPGRP(pid) getpgid((pid))
438#else
439# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
440# define BSD_GETPGRP(pid) getpgrp((pid))
441# else
442# ifdef HAS_GETPGRP2 /* DG/UX */
443# define BSD_GETPGRP(pid) getpgrp2((pid))
444# endif
445# endif
446#endif
447#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
448# define HAS_GETPGRP /* Well, effectively it does . . . */
449#endif
450
d460ef45 451/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
452 have different behaviors, but perl.h used to define USE_BSDPGRP
453 (prior to 5.003_05) so some extension might depend on it.
454*/
455#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
456# ifndef USE_BSDPGRP
457# define USE_BSDPGRP
458# endif
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459#endif
460
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461/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
462 pthread.h must be included before all other header files.
463*/
3db8f154 464#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
465# include <pthread.h>
466#endif
467
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LW
468#ifndef _TYPES_ /* If types.h defines this it's easy. */
469# ifndef major /* Does everyone's types.h define this? */
470# include <sys/types.h>
c07a80fd 471# endif
663a0e37
LW
472#endif
473
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474#ifdef __cplusplus
475# ifndef I_STDARG
476# define I_STDARG 1
477# endif
478#endif
479
480#ifdef I_STDARG
481# include <stdarg.h>
482#else
483# ifdef I_VARARGS
484# include <varargs.h>
485# endif
486#endif
487
4633a7c4 488#ifdef USE_NEXT_CTYPE
0c30d9ec 489
092bebab
JH
490#if NX_CURRENT_COMPILER_RELEASE >= 500
491# include <bsd/ctypes.h>
492#else
493# if NX_CURRENT_COMPILER_RELEASE >= 400
494# include <objc/NXCType.h>
495# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
496# include <appkit/NXCType.h>
497# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
498#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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PP
499
500#else /* !USE_NEXT_CTYPE */
fe14fcc3 501#include <ctype.h>
0c30d9ec 502#endif /* USE_NEXT_CTYPE */
a0d0e21e
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503
504#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
505#undef METHOD
a0d0e21e
LW
506#endif
507
12ae5dfc
JH
508#ifdef PERL_MICRO
509# define NO_LOCALE
510#endif
511
4633a7c4 512#ifdef I_LOCALE
36477c24 513# include <locale.h>
4633a7c4
LW
514#endif
515
36477c24
PP
516#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
517# define USE_LOCALE
518# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
519 && defined(HAS_STRXFRM)
520# define USE_LOCALE_COLLATE
521# endif
522# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
523# define USE_LOCALE_CTYPE
524# endif
525# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
526# define USE_LOCALE_NUMERIC
527# endif
528#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 529
fe14fcc3 530#include <setjmp.h>
79072805 531
a0d0e21e 532#ifdef I_SYS_PARAM
79072805
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533# ifdef PARAM_NEEDS_TYPES
534# include <sys/types.h>
535# endif
536# include <sys/param.h>
352d5a3a 537#endif
79072805 538
79072805 539/* Use all the "standard" definitions? */
a0d0e21e 540#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 541# include <stdlib.h>
ff68c719 542#endif
03a14243 543
3f270f98
JH
544/* If this causes problems, set i_unistd=undef in the hint file. */
545#ifdef I_UNISTD
546# include <unistd.h>
547#endif
548
27da23d5
JH
549#ifdef SYMBIAN
550# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
551#endif
552
7114a2d2 553#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
554int syscall(int, ...);
555#endif
556
7114a2d2 557#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 558int usleep(unsigned int);
2ef53570
JH
559#endif
560
9a34ef1d
GS
561#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
562# define MYSWAP
563#endif
564
1109a392
MHM
565#ifdef PERL_CORE
566
567/* macros for correct constant construction */
568# if INTSIZE >= 2
569# define U16_CONST(x) ((U16)x##U)
570# else
571# define U16_CONST(x) ((U16)x##UL)
572# endif
573
574# if INTSIZE >= 4
575# define U32_CONST(x) ((U32)x##U)
576# else
577# define U32_CONST(x) ((U32)x##UL)
578# endif
579
580# ifdef HAS_QUAD
581# if INTSIZE >= 8
582# define U64_CONST(x) ((U64)x##U)
583# elif LONGSIZE >= 8
584# define U64_CONST(x) ((U64)x##UL)
585# elif QUADKIND == QUAD_IS_LONG_LONG
586# define U64_CONST(x) ((U64)x##ULL)
587# else /* best guess we can make */
588# define U64_CONST(x) ((U64)x##UL)
589# endif
590# endif
591
592/* byte-swapping functions for big-/little-endian conversion */
593# define _swab_16_(x) ((U16)( \
594 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
595 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
596
597# define _swab_32_(x) ((U32)( \
598 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
599 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
600 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
601 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
602
603# ifdef HAS_QUAD
604# define _swab_64_(x) ((U64)( \
605 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
606 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
607 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
608 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
609 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
610 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
611 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
612 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
613# endif
614
615/*----------------------------------------------------------------------------*/
616# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
617/*----------------------------------------------------------------------------*/
618# define my_htole16(x) (x)
619# define my_letoh16(x) (x)
620# define my_htole32(x) (x)
621# define my_letoh32(x) (x)
622# define my_htobe16(x) _swab_16_(x)
623# define my_betoh16(x) _swab_16_(x)
624# define my_htobe32(x) _swab_32_(x)
625# define my_betoh32(x) _swab_32_(x)
626# ifdef HAS_QUAD
627# define my_htole64(x) (x)
628# define my_letoh64(x) (x)
629# define my_htobe64(x) _swab_64_(x)
630# define my_betoh64(x) _swab_64_(x)
631# endif
632# define my_htoles(x) (x)
633# define my_letohs(x) (x)
634# define my_htolei(x) (x)
635# define my_letohi(x) (x)
636# define my_htolel(x) (x)
637# define my_letohl(x) (x)
638# if SHORTSIZE == 1
639# define my_htobes(x) (x)
640# define my_betohs(x) (x)
641# elif SHORTSIZE == 2
642# define my_htobes(x) _swab_16_(x)
643# define my_betohs(x) _swab_16_(x)
644# elif SHORTSIZE == 4
645# define my_htobes(x) _swab_32_(x)
646# define my_betohs(x) _swab_32_(x)
647# elif SHORTSIZE == 8
648# define my_htobes(x) _swab_64_(x)
649# define my_betohs(x) _swab_64_(x)
650# else
651# define PERL_NEED_MY_HTOBES
652# define PERL_NEED_MY_BETOHS
653# endif
654# if INTSIZE == 1
655# define my_htobei(x) (x)
656# define my_betohi(x) (x)
657# elif INTSIZE == 2
658# define my_htobei(x) _swab_16_(x)
659# define my_betohi(x) _swab_16_(x)
660# elif INTSIZE == 4
661# define my_htobei(x) _swab_32_(x)
662# define my_betohi(x) _swab_32_(x)
663# elif INTSIZE == 8
664# define my_htobei(x) _swab_64_(x)
665# define my_betohi(x) _swab_64_(x)
666# else
667# define PERL_NEED_MY_HTOBEI
668# define PERL_NEED_MY_BETOHI
669# endif
670# if LONGSIZE == 1
671# define my_htobel(x) (x)
672# define my_betohl(x) (x)
673# elif LONGSIZE == 2
674# define my_htobel(x) _swab_16_(x)
675# define my_betohl(x) _swab_16_(x)
676# elif LONGSIZE == 4
677# define my_htobel(x) _swab_32_(x)
678# define my_betohl(x) _swab_32_(x)
679# elif LONGSIZE == 8
680# define my_htobel(x) _swab_64_(x)
681# define my_betohl(x) _swab_64_(x)
682# else
683# define PERL_NEED_MY_HTOBEL
684# define PERL_NEED_MY_BETOHL
685# endif
686# define my_htolen(p,n) NOOP
687# define my_letohn(p,n) NOOP
688# define my_htoben(p,n) my_swabn(p,n)
689# define my_betohn(p,n) my_swabn(p,n)
690/*----------------------------------------------------------------------------*/
691# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
692/*----------------------------------------------------------------------------*/
693# define my_htobe16(x) (x)
694# define my_betoh16(x) (x)
695# define my_htobe32(x) (x)
696# define my_betoh32(x) (x)
697# define my_htole16(x) _swab_16_(x)
698# define my_letoh16(x) _swab_16_(x)
699# define my_htole32(x) _swab_32_(x)
700# define my_letoh32(x) _swab_32_(x)
701# ifdef HAS_QUAD
702# define my_htobe64(x) (x)
703# define my_betoh64(x) (x)
704# define my_htole64(x) _swab_64_(x)
705# define my_letoh64(x) _swab_64_(x)
706# endif
707# define my_htobes(x) (x)
708# define my_betohs(x) (x)
709# define my_htobei(x) (x)
710# define my_betohi(x) (x)
711# define my_htobel(x) (x)
712# define my_betohl(x) (x)
713# if SHORTSIZE == 1
714# define my_htoles(x) (x)
715# define my_letohs(x) (x)
716# elif SHORTSIZE == 2
717# define my_htoles(x) _swab_16_(x)
718# define my_letohs(x) _swab_16_(x)
719# elif SHORTSIZE == 4
720# define my_htoles(x) _swab_32_(x)
721# define my_letohs(x) _swab_32_(x)
722# elif SHORTSIZE == 8
723# define my_htoles(x) _swab_64_(x)
724# define my_letohs(x) _swab_64_(x)
725# else
726# define PERL_NEED_MY_HTOLES
727# define PERL_NEED_MY_LETOHS
728# endif
729# if INTSIZE == 1
730# define my_htolei(x) (x)
731# define my_letohi(x) (x)
732# elif INTSIZE == 2
733# define my_htolei(x) _swab_16_(x)
734# define my_letohi(x) _swab_16_(x)
735# elif INTSIZE == 4
736# define my_htolei(x) _swab_32_(x)
737# define my_letohi(x) _swab_32_(x)
738# elif INTSIZE == 8
739# define my_htolei(x) _swab_64_(x)
740# define my_letohi(x) _swab_64_(x)
741# else
742# define PERL_NEED_MY_HTOLEI
743# define PERL_NEED_MY_LETOHI
744# endif
745# if LONGSIZE == 1
746# define my_htolel(x) (x)
747# define my_letohl(x) (x)
748# elif LONGSIZE == 2
749# define my_htolel(x) _swab_16_(x)
750# define my_letohl(x) _swab_16_(x)
751# elif LONGSIZE == 4
752# define my_htolel(x) _swab_32_(x)
753# define my_letohl(x) _swab_32_(x)
754# elif LONGSIZE == 8
755# define my_htolel(x) _swab_64_(x)
756# define my_letohl(x) _swab_64_(x)
757# else
758# define PERL_NEED_MY_HTOLEL
759# define PERL_NEED_MY_LETOHL
760# endif
761# define my_htolen(p,n) my_swabn(p,n)
762# define my_letohn(p,n) my_swabn(p,n)
763# define my_htoben(p,n) NOOP
764# define my_betohn(p,n) NOOP
765/*----------------------------------------------------------------------------*/
766# else /* all other byte-orders */
767/*----------------------------------------------------------------------------*/
768# define PERL_NEED_MY_HTOLE16
769# define PERL_NEED_MY_LETOH16
770# define PERL_NEED_MY_HTOBE16
771# define PERL_NEED_MY_BETOH16
772# define PERL_NEED_MY_HTOLE32
773# define PERL_NEED_MY_LETOH32
774# define PERL_NEED_MY_HTOBE32
775# define PERL_NEED_MY_BETOH32
776# ifdef HAS_QUAD
777# define PERL_NEED_MY_HTOLE64
778# define PERL_NEED_MY_LETOH64
779# define PERL_NEED_MY_HTOBE64
780# define PERL_NEED_MY_BETOH64
781# endif
782# define PERL_NEED_MY_HTOLES
783# define PERL_NEED_MY_LETOHS
784# define PERL_NEED_MY_HTOBES
785# define PERL_NEED_MY_BETOHS
786# define PERL_NEED_MY_HTOLEI
787# define PERL_NEED_MY_LETOHI
788# define PERL_NEED_MY_HTOBEI
789# define PERL_NEED_MY_BETOHI
790# define PERL_NEED_MY_HTOLEL
791# define PERL_NEED_MY_LETOHL
792# define PERL_NEED_MY_HTOBEL
793# define PERL_NEED_MY_BETOHL
794/*----------------------------------------------------------------------------*/
795# endif /* end of byte-order macros */
796/*----------------------------------------------------------------------------*/
797
9c17f24a
NC
798/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
799 at least on FreeBSD. YMMV, so experiment. */
800#ifndef PERL_ARENA_SIZE
801#define PERL_ARENA_SIZE 4080
802#endif
803
1109a392
MHM
804#endif /* PERL_CORE */
805
66a93824
NIS
806/* Cannot include embed.h here on Win32 as win32.h has not
807 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
808 */
96e176bf 809#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
810# include "embed.h"
811#endif
812
c31fac66
GS
813#define MEM_SIZE Size_t
814
1936d2a7
NC
815/* Round all values passed to malloc up, by default to a multiple of
816 sizeof(size_t)
817*/
818#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
819#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
820#endif
821
51371543
GS
822#if defined(STANDARD_C) && defined(I_STDDEF)
823# include <stddef.h>
824# define STRUCT_OFFSET(s,m) offsetof(s,m)
825#else
826# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
827#endif
828
27da23d5
JH
829#ifndef SYMBIAN
830# if defined(I_STRING) || defined(__cplusplus)
831# include <string.h>
832# else
833# include <strings.h>
834# endif
51371543
GS
835#endif
836
55497cff
PP
837/* This comes after <stdlib.h> so we don't try to change the standard
838 * library prototypes; we'll use our own in proto.h instead. */
03a14243 839
4633a7c4 840#ifdef MYMALLOC
86058a2d 841# ifdef PERL_POLLUTE_MALLOC
ee13e175 842# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
843# define Perl_malloc malloc
844# define Perl_calloc calloc
845# define Perl_realloc realloc
846# define Perl_mfree free
ee13e175 847# endif
86058a2d
GS
848# else
849# define EMBEDMYMALLOC /* for compatibility */
850# endif
827e134a 851
651b9576
GS
852# define safemalloc Perl_malloc
853# define safecalloc Perl_calloc
854# define saferealloc Perl_realloc
855# define safefree Perl_mfree
22f7c9c9
JH
856# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
857 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
858 code; \
859 } STMT_END
860# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
861 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
862# define panic_write2(s) write(2, s, strlen(s))
863# define CHECK_MALLOC_TAINT(newval) \
864 CHECK_MALLOC_TOO_LATE_FOR_( \
865 if (newval) { \
866 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
867 exit(1); })
22f7c9c9 868# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 869 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
870 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
871 }} STMT_END;
f2517201
GS
872#else /* MYMALLOC */
873# define safemalloc safesysmalloc
874# define safecalloc safesyscalloc
875# define saferealloc safesysrealloc
876# define safefree safesysfree
22f7c9c9
JH
877# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
878# define CHECK_MALLOC_TAINT(newval) ((void)0)
879# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 880#endif /* MYMALLOC */
4633a7c4 881
27da23d5 882#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
883#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
884#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
885#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
886
a0d0e21e
LW
887#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
888#define strchr index
889#define strrchr rindex
890#endif
891
16d20bd9
AD
892#ifdef I_MEMORY
893# include <memory.h>
894#endif
895
fe14fcc3 896#ifdef HAS_MEMCPY
85e6fe83 897# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 898# ifndef memcpy
20ce7b12 899 extern char * memcpy (char*, char*, int);
ee0007ab
LW
900# endif
901# endif
902#else
903# ifndef memcpy
904# ifdef HAS_BCOPY
905# define memcpy(d,s,l) bcopy(s,d,l)
906# else
907# define memcpy(d,s,l) my_bcopy(s,d,l)
908# endif
909# endif
910#endif /* HAS_MEMCPY */
fe14fcc3 911
ee0007ab 912#ifdef HAS_MEMSET
85e6fe83 913# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 914# ifndef memset
20ce7b12 915 extern char *memset (char*, int, int);
ee0007ab
LW
916# endif
917# endif
ee0007ab 918#else
12ae5dfc 919# undef memset
fc36a67e 920# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
921#endif /* HAS_MEMSET */
922
85e6fe83 923#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 924# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
925# define memmove(d,s,l) bcopy(s,d,l)
926# else
2304df62 927# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 928# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 929# else
79072805 930# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 931# endif
352d5a3a 932# endif
d9d8d8de 933#endif
ee0007ab 934
36477c24
PP
935#if defined(mips) && defined(ultrix) && !defined(__STDC__)
936# undef HAS_MEMCMP
937#endif
938
939#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 940# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 941# ifndef memcmp
20ce7b12 942 extern int memcmp (char*, char*, int);
ee0007ab
LW
943# endif
944# endif
36477c24 945# ifdef BUGGY_MSC
7e4e8c89 946# pragma function(memcmp)
36477c24 947# endif
ee0007ab
LW
948#else
949# ifndef memcmp
ecfc5424 950# define memcmp my_memcmp
352d5a3a 951# endif
36477c24 952#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 953
fc36a67e 954#ifndef memzero
c635e13b
PP
955# ifdef HAS_MEMSET
956# define memzero(d,l) memset(d,0,l)
79072805 957# else
c635e13b
PP
958# ifdef HAS_BZERO
959# define memzero(d,l) bzero(d,l)
79072805 960# else
fc36a67e 961# define memzero(d,l) my_bzero(d,l)
79072805
LW
962# endif
963# endif
d9d8d8de 964#endif
378cc40b 965
2f42fcb0 966#ifndef PERL_MICRO
0f27ced1
JH
967#ifndef memchr
968# ifndef HAS_MEMCHR
969# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
970# endif
971#endif
2f42fcb0 972#endif
0f27ced1 973
36477c24
PP
974#ifndef HAS_BCMP
975# ifndef bcmp
976# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 977# endif
36477c24 978#endif /* !HAS_BCMP */
378cc40b 979
ae986130 980#ifdef I_NETINET_IN
79072805 981# include <netinet/in.h>
ae986130
LW
982#endif
983
28e8609d
JH
984#ifdef I_ARPA_INET
985# include <arpa/inet.h>
986#endif
987
84902520
TB
988#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
989/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
990 * (the neo-BSD seem to do this). */
991# undef SF_APPEND
992#endif
993
1aef975c 994#ifdef I_SYS_STAT
84902520 995# include <sys/stat.h>
1aef975c 996#endif
79072805 997
a0d0e21e
LW
998/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
999 like UTekV) are broken, sometimes giving false positives. Undefine
1000 them here and let the code below set them to proper values.
1001
1002 The ghs macro stands for GreenHills Software C-1.8.5 which
1003 is the C compiler for sysV88 and the various derivatives.
1004 This header file bug is corrected in gcc-2.5.8 and later versions.
1005 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1006
1007#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1008# undef S_ISDIR
1009# undef S_ISCHR
1010# undef S_ISBLK
1011# undef S_ISREG
1012# undef S_ISFIFO
1013# undef S_ISLNK
ee0007ab 1014#endif
135863df 1015
663a0e37
LW
1016#ifdef I_TIME
1017# include <time.h>
ffed7fef 1018#endif
663a0e37 1019
fe14fcc3 1020#ifdef I_SYS_TIME
85e6fe83 1021# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1022# define KERNEL
1023# endif
1024# include <sys/time.h>
85e6fe83 1025# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1026# undef KERNEL
1027# endif
a687059c 1028#endif
135863df 1029
55497cff 1030#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1031# include <sys/times.h>
d9d8d8de 1032#endif
8d063cd8 1033
fe14fcc3 1034#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1035# undef HAS_STRERROR
663a0e37
LW
1036#endif
1037
1038#include <errno.h>
1e743fda 1039
acfe0abc 1040#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1041# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1042#endif
1043
8cfab5ff
JH
1044/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1045 * This is important for using IPv6.
1046 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1047 * a bad idea since it breaks send() and recv(). */
1048#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1049# define _SOCKADDR_LEN
1050#endif
1051
8d3f517a 1052#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1053# include <sys/socket.h>
1054# if defined(USE_SOCKS) && defined(I_SOCKS)
1055# if !defined(INCLUDE_PROTOTYPES)
1056# define INCLUDE_PROTOTYPES /* for <socks.h> */
1057# define PERL_SOCKS_NEED_PROTOTYPES
1058# endif
1059# include <socks.h>
1060# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1061# undef INCLUDE_PROTOTYPES
1062# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1063# endif
d460ef45 1064# endif
1e743fda 1065# ifdef I_NETDB
2986a63f
JH
1066# ifdef NETWARE
1067# include<stdio.h>
1068# endif
1e743fda
JH
1069# include <netdb.h>
1070# endif
1071# ifndef ENOTSOCK
1072# ifdef I_NET_ERRNO
1073# include <net/errno.h>
1074# endif
1075# endif
1076#endif
1077
fa0a29af 1078/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1079 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1080 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1081#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1082# if defined(__THROW) && defined(__GLIBC__)
1083int sockatmark(int) __THROW;
1084# else
2ef53570 1085int sockatmark(int);
29820b6d 1086# endif
2ef53570
JH
1087#endif
1088
1e743fda
JH
1089#ifdef SETERRNO
1090# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1091#endif
f86702cc
PP
1092
1093#ifdef VMS
1094# define SETERRNO(errcode,vmserrcode) \
1095 STMT_START { \
1096 set_errno(errcode); \
1097 set_vaxc_errno(vmserrcode); \
1098 } STMT_END
93189314
JH
1099# define LIB_INVARG LIB$_INVARG
1100# define RMS_DIR RMS$_DIR
1101# define RMS_FAC RMS$_FAC
1102# define RMS_FEX RMS$_FEX
1103# define RMS_FNF RMS$_FNF
1104# define RMS_IFI RMS$_IFI
1105# define RMS_ISI RMS$_ISI
1106# define RMS_PRV RMS$_PRV
1107# define SS_ACCVIO SS$_ACCVIO
1108# define SS_DEVOFFLINE SS$_DEVOFFLINE
1109# define SS_IVCHAN SS$_IVCHAN
1110# define SS_NORMAL SS$_NORMAL
748a9306 1111#else
aba27d88 1112# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1113# define LIB_INVARG 0
1114# define RMS_DIR 0
1115# define RMS_FAC 0
1116# define RMS_FEX 0
1117# define RMS_FNF 0
1118# define RMS_IFI 0
1119# define RMS_ISI 0
1120# define RMS_PRV 0
1121# define SS_ACCVIO 0
1122# define SS_DEVOFFLINE 0
1123# define SS_IVCHAN 0
1124# define SS_NORMAL 0
748a9306 1125#endif
ed6116ce 1126
3db8f154
MB
1127#define ERRSV GvSV(PL_errgv)
1128#define DEFSV GvSV(PL_defgv)
1129#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1130
98eae8f5
GS
1131#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1132
55497cff 1133#ifndef errno
5ff3f7a4
GS
1134 extern int errno; /* ANSI allows errno to be an lvalue expr.
1135 * For example in multithreaded environments
1136 * something like this might happen:
1137 * extern int *_errno(void);
1138 * #define errno (*_errno()) */
d9d8d8de 1139#endif
663a0e37 1140
2304df62 1141#ifdef HAS_STRERROR
a0d0e21e 1142# ifdef VMS
20ce7b12 1143 char *strerror (int,...);
a0d0e21e 1144# else
68dc0745 1145#ifndef DONT_DECLARE_STD
20ce7b12 1146 char *strerror (int);
68dc0745 1147#endif
a0d0e21e 1148# endif
2304df62
AD
1149# ifndef Strerror
1150# define Strerror strerror
1151# endif
1152#else
1153# ifdef HAS_SYS_ERRLIST
79072805
LW
1154 extern int sys_nerr;
1155 extern char *sys_errlist[];
2304df62
AD
1156# ifndef Strerror
1157# define Strerror(e) \
79072805 1158 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1159# endif
79072805 1160# endif
35c8bce7 1161#endif
663a0e37 1162
2304df62 1163#ifdef I_SYS_IOCTL
79072805
LW
1164# ifndef _IOCTL_
1165# include <sys/ioctl.h>
1166# endif
a687059c
LW
1167#endif
1168
ee0007ab 1169#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1170# ifdef HAS_SOCKETPAIR
1171# undef HAS_SOCKETPAIR
1172# endif
2304df62
AD
1173# ifdef I_NDBM
1174# undef I_NDBM
79072805 1175# endif
a687059c
LW
1176#endif
1177
02fc2eee
NC
1178#ifndef HAS_SOCKETPAIR
1179# ifdef HAS_SOCKET
1180# define socketpair Perl_my_socketpair
1181# endif
1182#endif
1183
a687059c 1184#if INTSIZE == 2
79072805
LW
1185# define htoni htons
1186# define ntohi ntohs
a687059c 1187#else
79072805
LW
1188# define htoni htonl
1189# define ntohi ntohl
a687059c
LW
1190#endif
1191
a0d0e21e 1192/* Configure already sets Direntry_t */
35c8bce7 1193#if defined(I_DIRENT)
663a0e37 1194# include <dirent.h>
8f1f23e8
W
1195 /* NeXT needs dirent + sys/dir.h */
1196# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1197# include <sys/dir.h>
1198# endif
ae986130 1199#else
fe14fcc3 1200# ifdef I_SYS_NDIR
79a0689e 1201# include <sys/ndir.h>
663a0e37 1202# else
fe14fcc3 1203# ifdef I_SYS_DIR
79a0689e
LW
1204# ifdef hp9000s500
1205# include <ndir.h> /* may be wrong in the future */
1206# else
1207# include <sys/dir.h>
1208# endif
663a0e37
LW
1209# endif
1210# endif
4633a7c4 1211#endif
a687059c 1212
12ae5dfc
JH
1213#ifdef PERL_MICRO
1214# ifndef DIR
1215# define DIR void
1216# endif
1217#endif
1218
352d5a3a
LW
1219#ifdef FPUTS_BOTCH
1220/* work around botch in SunOS 4.0.1 and 4.0.2 */
1221# ifndef fputs
79072805 1222# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1223# endif
1224#endif
1225
c623bd54
LW
1226/*
1227 * The following gobbledygook brought to you on behalf of __STDC__.
1228 * (I could just use #ifndef __STDC__, but this is more bulletproof
1229 * in the face of half-implementations.)
1230 */
1231
7114a2d2 1232#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1233#include <sys/mode.h>
1234#endif
1235
c623bd54
LW
1236#ifndef S_IFMT
1237# ifdef _S_IFMT
1238# define S_IFMT _S_IFMT
1239# else
1240# define S_IFMT 0170000
1241# endif
1242#endif
1243
1244#ifndef S_ISDIR
1245# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1246#endif
1247
1248#ifndef S_ISCHR
1249# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1250#endif
1251
1252#ifndef S_ISBLK
fe14fcc3
LW
1253# ifdef S_IFBLK
1254# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1255# else
1256# define S_ISBLK(m) (0)
1257# endif
c623bd54
LW
1258#endif
1259
1260#ifndef S_ISREG
1261# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1262#endif
1263
1264#ifndef S_ISFIFO
fe14fcc3
LW
1265# ifdef S_IFIFO
1266# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1267# else
1268# define S_ISFIFO(m) (0)
1269# endif
c623bd54
LW
1270#endif
1271
1272#ifndef S_ISLNK
1273# ifdef _S_ISLNK
1274# define S_ISLNK(m) _S_ISLNK(m)
1275# else
1276# ifdef _S_IFLNK
1277# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1278# else
1279# ifdef S_IFLNK
1280# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1281# else
1282# define S_ISLNK(m) (0)
1283# endif
1284# endif
1285# endif
1286#endif
1287
1288#ifndef S_ISSOCK
1289# ifdef _S_ISSOCK
1290# define S_ISSOCK(m) _S_ISSOCK(m)
1291# else
1292# ifdef _S_IFSOCK
1293# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1294# else
1295# ifdef S_IFSOCK
1296# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1297# else
1298# define S_ISSOCK(m) (0)
1299# endif
1300# endif
1301# endif
1302#endif
1303
1304#ifndef S_IRUSR
1305# ifdef S_IREAD
1306# define S_IRUSR S_IREAD
1307# define S_IWUSR S_IWRITE
1308# define S_IXUSR S_IEXEC
1309# else
1310# define S_IRUSR 0400
1311# define S_IWUSR 0200
1312# define S_IXUSR 0100
1313# endif
fac7cdfc 1314#endif
1315
1316#ifndef S_IRGRP
1317# ifdef S_IRUSR
1318# define S_IRGRP (S_IRUSR>>3)
1319# define S_IWGRP (S_IWUSR>>3)
1320# define S_IXGRP (S_IXUSR>>3)
1321# else
1322# define S_IRGRP 0040
1323# define S_IWGRP 0020
1324# define S_IXGRP 0010
1325# endif
1326#endif
1327
1328#ifndef S_IROTH
1329# ifdef S_IRUSR
1330# define S_IROTH (S_IRUSR>>6)
1331# define S_IWOTH (S_IWUSR>>6)
1332# define S_IXOTH (S_IXUSR>>6)
1333# else
1334# define S_IROTH 0040
1335# define S_IWOTH 0020
1336# define S_IXOTH 0010
1337# endif
c623bd54
LW
1338#endif
1339
1340#ifndef S_ISUID
1341# define S_ISUID 04000
1342#endif
1343
1344#ifndef S_ISGID
1345# define S_ISGID 02000
1346#endif
1347
ca6e1c26
JH
1348#ifndef S_IRWXU
1349# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1350#endif
ca6e1c26
JH
1351
1352#ifndef S_IRWXG
1353# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1354#endif
ca6e1c26
JH
1355
1356#ifndef S_IRWXO
1357# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1358#endif
ca6e1c26 1359
c21fb2b8
JH
1360/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1361 * which would get included through <sys/file.h >, but that is 3000
1362 * lines in the future. --jhi */
1363
1364#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1365# define S_IREAD S_IRUSR
1366#endif
1367
c21fb2b8 1368#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1369# define S_IWRITE S_IWUSR
1370#endif
1371
1372#ifndef S_IEXEC
1373# define S_IEXEC S_IXUSR
1374#endif
1375
79072805
LW
1376#ifdef ff_next
1377# undef ff_next
352d5a3a
LW
1378#endif
1379
a0d0e21e 1380#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1381# define SLOPPYDIVIDE
1382#endif
1383
748a9306
LW
1384#ifdef UV
1385#undef UV
1386#endif
1387
c89df6bf
JH
1388#ifdef SPRINTF_E_BUG
1389# define sprintf UTS_sprintf_wrap
1390#endif
1391
c495e728
JH
1392/* Configure gets this right but the UTS compiler gets it wrong.
1393 -- Hal Morris <hom00@utsglobal.com> */
1394#ifdef UTS
1395# undef UVTYPE
1396# define UVTYPE unsigned
1397#endif
1398
05f13f53 1399/*
27d4fb96
PP
1400 The IV type is supposed to be long enough to hold any integral
1401 value or a pointer.
1402 --Andy Dougherty August 1996
1403*/
1404
a22e52b9
JH
1405typedef IVTYPE IV;
1406typedef UVTYPE UV;
8175356b 1407
10cc9d2a 1408#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1409# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1410# define IV_MAX INT64_MAX
1411# define IV_MIN INT64_MIN
1412# define UV_MAX UINT64_MAX
cae7ae48
JH
1413# ifndef UINT64_MIN
1414# define UINT64_MIN 0
1415# endif
5ff3f7a4
GS
1416# define UV_MIN UINT64_MIN
1417# else
1418# define IV_MAX PERL_QUAD_MAX
1419# define IV_MIN PERL_QUAD_MIN
1420# define UV_MAX PERL_UQUAD_MAX
1421# define UV_MIN PERL_UQUAD_MIN
1422# endif
cf2093f6
JH
1423# define IV_IS_QUAD
1424# define UV_IS_QUAD
79072805 1425#else
8175356b 1426# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1427# define IV_MAX INT32_MAX
1428# define IV_MIN INT32_MIN
716026f9
DL
1429# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1430# define UV_MAX UINT32_MAX
1431# else
1432# define UV_MAX 4294967295U
1433# endif
cae7ae48
JH
1434# ifndef UINT32_MIN
1435# define UINT32_MIN 0
1436# endif
5ff3f7a4
GS
1437# define UV_MIN UINT32_MIN
1438# else
1439# define IV_MAX PERL_LONG_MAX
1440# define IV_MIN PERL_LONG_MIN
1441# define UV_MAX PERL_ULONG_MAX
1442# define UV_MIN PERL_ULONG_MIN
1443# endif
8175356b 1444# if IVSIZE == 8
cf2093f6
JH
1445# define IV_IS_QUAD
1446# define UV_IS_QUAD
de1c2614
JH
1447# ifndef HAS_QUAD
1448# define HAS_QUAD
1449# endif
cf2093f6
JH
1450# else
1451# undef IV_IS_QUAD
1452# undef UV_IS_QUAD
de1c2614 1453# undef HAS_QUAD
cf2093f6 1454# endif
79072805 1455#endif
d7d93a81 1456
1109a392
MHM
1457#ifndef HAS_QUAD
1458# undef PERL_NEED_MY_HTOLE64
1459# undef PERL_NEED_MY_LETOH64
1460# undef PERL_NEED_MY_HTOBE64
1461# undef PERL_NEED_MY_BETOH64
1462#endif
1463
6cde8aec 1464#if defined(uts) || defined(UTS)
11afe549
HM
1465# undef UV_MAX
1466# define UV_MAX (4294967295u)
20601011
JH
1467#endif
1468
cae7ae48 1469#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1470#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1471
28e5dec8 1472#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1473#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1474#endif
1475
d460ef45 1476/*
26bb67e2
JH
1477 * The macros INT2PTR and NUM2PTR are (despite their names)
1478 * bi-directional: they will convert int/float to or from pointers.
1479 * However the conversion to int/float are named explicitly:
1480 * PTR2IV, PTR2UV, PTR2NV.
1481 *
1482 * For int conversions we do not need two casts if pointers are
1483 * the same size as IV and UV. Otherwise we need an explicit
1484 * cast (PTRV) to avoid compiler warnings.
1485 */
56431972
RB
1486#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1487# define PTRV UV
1488# define INT2PTR(any,d) (any)(d)
1489#else
d460ef45 1490# if PTRSIZE == LONGSIZE
56431972 1491# define PTRV unsigned long
42718184 1492# else
56431972 1493# define PTRV unsigned
42718184 1494# endif
56431972 1495# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1496#endif
56431972
RB
1497#define NUM2PTR(any,d) (any)(PTRV)(d)
1498#define PTR2IV(p) INT2PTR(IV,p)
1499#define PTR2UV(p) INT2PTR(UV,p)
1500#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1501#if PTRSIZE == LONGSIZE
d2560b70
RB
1502# define PTR2ul(p) (unsigned long)(p)
1503#else
1504# define PTR2ul(p) INT2PTR(unsigned long,p)
1505#endif
d460ef45 1506
8141890a
JH
1507/* According to strict ANSI C89 one cannot freely cast between
1508 * data pointers and function (code) pointers. There are at least
1509 * two ways around this. One (used below) is to do two casts,
1510 * first the other pointer to an (unsigned) integer, and then
1511 * the integer to the other pointer. The other way would be
1512 * to use unions to "overlay" the pointers. For an example of
1513 * the latter technique, see union dirpu in struct xpvio in sv.h.
1514 * The only feasible use is probably temporarily storing
1515 * function pointers in a data pointer (such as a void pointer). */
1516
1517#define DPTR2FPTR(t,p) ((t)PTR2UV(p)) /* data pointer to function pointer */
1518#define FPTR2DPTR(t,p) ((t)PTR2UV(p)) /* function pointer to data pointer */
1519
65202027 1520#ifdef USE_LONG_DOUBLE
1048ea30
JH
1521# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1522# define LONG_DOUBLE_EQUALS_DOUBLE
1523# endif
68d4903c 1524# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1525# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1526# endif
1527#endif
1528
2d4389e4
JH
1529#ifdef OVR_DBL_DIG
1530/* Use an overridden DBL_DIG */
1531# ifdef DBL_DIG
1532# undef DBL_DIG
1533# endif
1534# define DBL_DIG OVR_DBL_DIG
1535#else
1536/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1537 default value for printing floating point numbers in Gconvert
1538 (see config.h). (It also has other uses, such as figuring out if
1539 a given precision of printing can be done with a double instead of
1540 a long double - Allen).
2d4389e4
JH
1541*/
1542#ifdef I_LIMITS
1543#include <limits.h>
1544#endif
1545#ifdef I_FLOAT
1546#include <float.h>
1547#endif
1548#ifndef HAS_DBL_DIG
1549#define DBL_DIG 15 /* A guess that works lots of places */
1550#endif
1551#endif
cbca01e1
JH
1552#ifdef I_FLOAT
1553#include <float.h>
1554#endif
1555#ifndef HAS_DBL_DIG
1556#define DBL_DIG 15 /* A guess that works lots of places */
1557#endif
2d4389e4
JH
1558
1559#ifdef OVR_LDBL_DIG
1560/* Use an overridden LDBL_DIG */
1561# ifdef LDBL_DIG
1562# undef LDBL_DIG
1563# endif
1564# define LDBL_DIG OVR_LDBL_DIG
1565#else
1566/* The following is all to get LDBL_DIG, in order to pick a nice
1567 default value for printing floating point numbers in Gconvert.
1568 (see config.h)
1569*/
68d4903c
JH
1570# ifdef I_LIMITS
1571# include <limits.h>
1572# endif
1573# ifdef I_FLOAT
1574# include <float.h>
1575# endif
1576# ifndef HAS_LDBL_DIG
1577# if LONG_DOUBLESIZE == 10
1578# define LDBL_DIG 18 /* assume IEEE */
1579# else
1580# if LONG_DOUBLESIZE == 12
1581# define LDBL_DIG 18 /* gcc? */
1582# else
1583# if LONG_DOUBLESIZE == 16
1584# define LDBL_DIG 33 /* assume IEEE */
1585# else
1586# if LONG_DOUBLESIZE == DOUBLESIZE
1587# define LDBL_DIG DBL_DIG /* bummer */
1588# endif
1589# endif
1590# endif
1591# endif
1592# endif
2d4389e4
JH
1593#endif
1594
20f6aaab
AS
1595/*
1596 * This is for making sure we have a good DBL_MAX value, if possible,
1597 * either for usage as NV_MAX or for usage in figuring out if we can
1598 * fit a given long double into a double, if bug-fixing makes it
1599 * necessary to do so. - Allen <allens@cpan.org>
1600 */
1601
205f51d8
AS
1602#ifdef I_LIMITS
1603# include <limits.h>
20f6aaab
AS
1604#endif
1605
205f51d8
AS
1606#ifdef I_VALUES
1607# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1608# include <values.h>
1609# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1610# define DBL_MAX MAXDOUBLE
1611# endif
1612# if defined(MINDOUBLE) && !defined(DBL_MIN)
1613# define DBL_MIN MINDOUBLE
1614# endif
1615# endif
1616#endif /* defined(I_VALUES) */
1617
a22e52b9 1618typedef NVTYPE NV;
8175356b 1619
792d8dab
JH
1620#ifdef I_IEEEFP
1621# include <ieeefp.h>
1622#endif
923fc586 1623
65202027 1624#ifdef USE_LONG_DOUBLE
923fc586
JH
1625# ifdef I_SUNMATH
1626# include <sunmath.h>
1627# endif
2d4389e4 1628# define NV_DIG LDBL_DIG
d6c14000
JH
1629# ifdef LDBL_MANT_DIG
1630# define NV_MANT_DIG LDBL_MANT_DIG
1631# endif
06fc1729
JH
1632# ifdef LDBL_MIN
1633# define NV_MIN LDBL_MIN
1634# endif
1635# ifdef LDBL_MAX
1636# define NV_MAX LDBL_MAX
1637# endif
1638# ifdef LDBL_MIN_10_EXP
1639# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1640# endif
1641# ifdef LDBL_MAX_10_EXP
1642# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1643# endif
1644# ifdef LDBL_EPSILON
1645# define NV_EPSILON LDBL_EPSILON
1646# endif
f4a14a62
JH
1647# ifdef LDBL_MAX
1648# define NV_MAX LDBL_MAX
20f6aaab 1649/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1650# else
1651# ifdef HUGE_VALL
1652# define NV_MAX HUGE_VALL
1653# else
1654# ifdef HUGE_VAL
1655# define NV_MAX ((NV)HUGE_VAL)
1656# endif
1657# endif
1658# endif
68d4903c 1659# ifdef HAS_SQRTL
68d4903c
JH
1660# define Perl_cos cosl
1661# define Perl_sin sinl
1662# define Perl_sqrt sqrtl
1663# define Perl_exp expl
1664# define Perl_log logl
1665# define Perl_atan2 atan2l
1666# define Perl_pow powl
1667# define Perl_floor floorl
1bbae031 1668# define Perl_ceil ceill
68d4903c
JH
1669# define Perl_fmod fmodl
1670# endif
a3540c92
JH
1671/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1672# ifdef HAS_MODFL
1673# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1674/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1675 prototype in <math.h> */
1676# ifndef HAS_MODFL_PROTO
a221a8a5 1677EXTERN_C long double modfl(long double, long double *);
51997bc3 1678# endif
03476e8e
JH
1679# else
1680# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1681 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1682# define Perl_modf(x,y) Perl_my_modfl(x,y)
1683# endif
a3540c92
JH
1684# endif
1685# ifdef HAS_FREXPL
dff3e0b8 1686# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1687# else
1688# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1689 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1690# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1691# endif
a3540c92 1692# endif
38dbb4c5 1693# ifndef Perl_isnan
758a5d79
JH
1694# ifdef HAS_ISNANL
1695# define Perl_isnan(x) isnanl(x)
1696# endif
1697# endif
1698# ifndef Perl_isinf
1699# ifdef HAS_FINITEL
1700# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1701# endif
1702# endif
65202027 1703#else
2d4389e4 1704# define NV_DIG DBL_DIG
d6c14000
JH
1705# ifdef DBL_MANT_DIG
1706# define NV_MANT_DIG DBL_MANT_DIG
1707# endif
06fc1729
JH
1708# ifdef DBL_MIN
1709# define NV_MIN DBL_MIN
1710# endif
1711# ifdef DBL_MAX
1712# define NV_MAX DBL_MAX
1713# endif
1714# ifdef DBL_MIN_10_EXP
1715# define NV_MIN_10_EXP DBL_MIN_10_EXP
1716# endif
1717# ifdef DBL_MAX_10_EXP
1718# define NV_MAX_10_EXP DBL_MAX_10_EXP
1719# endif
1720# ifdef DBL_EPSILON
1721# define NV_EPSILON DBL_EPSILON
1722# endif
205f51d8 1723# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1724# define NV_MAX DBL_MAX
1725# define NV_MIN DBL_MIN
1726# else
1727# ifdef HUGE_VAL
1728# define NV_MAX HUGE_VAL
1729# endif
1730# endif
65202027
DS
1731# define Perl_cos cos
1732# define Perl_sin sin
1733# define Perl_sqrt sqrt
1734# define Perl_exp exp
1735# define Perl_log log
1736# define Perl_atan2 atan2
1737# define Perl_pow pow
1738# define Perl_floor floor
1bbae031 1739# define Perl_ceil ceil
65202027 1740# define Perl_fmod fmod
a3540c92 1741# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1742# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1743#endif
1744
1745/* rumor has it that Win32 has _fpclass() */
1746
205f51d8
AS
1747/* SGI has fpclassl... but not with the same result values,
1748 * and it's via a typedef (not via #define), so will need to redo Configure
1749 * to use. Not worth the trouble, IMO, at least until the below is used
1750 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1751 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1752 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1753
758a5d79
JH
1754#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1755# ifdef I_IEEFP
1756# include <ieeefp.h>
1757# endif
1758# ifdef I_FP
1759# include <fp.h>
1760# endif
1761# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1762# define Perl_fp_class() fpclassl(x)
1763# else
1764# define Perl_fp_class() fpclass(x)
1765# endif
1766# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1767# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1768# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1769# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1770# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1771# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1772# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1773# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1774# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1775# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1776# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1777# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1778# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1779# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1780# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1781#endif
1782
7114a2d2 1783#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1784# include <math.h>
1785# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1786# include <fp_class.h>
1787# endif
1788# define Perl_fp_class(x) fp_class(x)
1789# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1790# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1791# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1792# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1793# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1794# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1795# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1796# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1797# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1798# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1799# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1800# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1801# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1802# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1803# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1804#endif
1805
1806#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1807# include <math.h>
1808# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1809# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1810# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1811# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1812# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1813# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1814#endif
1815
1816#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1817# include <math.h>
1818# ifndef _cplusplus
1819# define Perl_fp_class(x) class(x)
1820# else
1821# define Perl_fp_class(x) _class(x)
1822# endif
1823# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1824# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1825# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1826# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1827# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1828# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1829# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1830# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1831# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1832# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1833# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1834# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1835# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1836# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1837# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1838#endif
1839
1840/* rumor has it that Win32 has _isnan() */
1841
1842#ifndef Perl_isnan
a3540c92 1843# ifdef HAS_ISNAN
758a5d79
JH
1844# define Perl_isnan(x) isnan((NV)x)
1845# else
1846# ifdef Perl_fp_class_nan
1847# define Perl_isnan(x) Perl_fp_class_nan(x)
1848# else
1849# ifdef HAS_UNORDERED
1850# define Perl_isnan(x) unordered((x), 0.0)
1851# else
1852# define Perl_isnan(x) ((x)!=(x))
1853# endif
1854# endif
1855# endif
1856#endif
1857
ca6c63e1
JH
1858#ifdef UNDER_CE
1859int isnan(double d);
1860#endif
1861
758a5d79
JH
1862#ifndef Perl_isinf
1863# ifdef HAS_ISINF
1864# define Perl_isinf(x) isinf((NV)x)
a3540c92 1865# else
758a5d79
JH
1866# ifdef Perl_fp_class_inf
1867# define Perl_isinf(x) Perl_fp_class_inf(x)
1868# else
1869# define Perl_isinf(x) ((x)==NV_INF)
1870# endif
1871# endif
1872#endif
1873
1874#ifndef Perl_isfinite
1875# ifdef HAS_FINITE
1876# define Perl_isfinite(x) finite((NV)x)
1877# else
1878# ifdef HAS_ISFINITE
1879# define Perl_isfinite(x) isfinite(x)
1880# else
1881# ifdef Perl_fp_class_finite
1882# define Perl_isfinite(x) Perl_fp_class_finite(x)
1883# else
1884# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1885# endif
1886# endif
a3540c92 1887# endif
65202027
DS
1888#endif
1889
a36244b7
JH
1890/* The default is to use Perl's own atof() implementation (in numeric.c).
1891 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1892 * it is however best to use the native implementation of atof.
1893 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1894 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1895 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1896 * you may need to be using a different function than atof! */
a36244b7
JH
1897
1898#ifndef USE_PERL_ATOF
1899# ifndef _UNICOS
1900# define USE_PERL_ATOF
1901# endif
1902#else
1903# if USE_PERL_ATOF == 0
1904# undef USE_PERL_ATOF
1905# endif
1906#endif
1907
1908#ifdef USE_PERL_ATOF
1909# define Perl_atof(s) Perl_my_atof(s)
1910# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1911#else
1912# define Perl_atof(s) (NV)atof(s)
1913# define Perl_atof2(s, n) ((n) = atof(s))
1914#endif
cf2093f6 1915
d460ef45 1916/* Previously these definitions used hardcoded figures.
760ac839
LW
1917 * It is hoped these formula are more portable, although
1918 * no data one way or another is presently known to me.
1919 * The "PERL_" names are used because these calculated constants
1920 * do not meet the ANSI requirements for LONG_MAX, etc., which
1921 * need to be constants acceptable to #if - kja
1922 * define PERL_LONG_MAX 2147483647L
1923 * define PERL_LONG_MIN (-LONG_MAX - 1)
1924 * define PERL ULONG_MAX 4294967295L
1925 */
1926
1927#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1928# include <limits.h>
760ac839 1929#endif
205f51d8
AS
1930/* Included values.h above if necessary; still including limits.h down here,
1931 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1932
99abf803
PP
1933/*
1934 * Try to figure out max and min values for the integral types. THE CORRECT
1935 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1936 * following hacks are used if neither limits.h or values.h provide them:
1937 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1938 * for types < int: (unsigned TYPE)~(unsigned)0
1939 * The argument to ~ must be unsigned so that later signed->unsigned
1940 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1941 * and it must not be smaller than int because ~ does integral promotion.
1942 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1943 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1944 * The latter is a hack which happens to work on some machines but
1945 * does *not* catch any random system, or things like integer types
1946 * with NaN if that is possible.
1947 *
1948 * All of the types are explicitly cast to prevent accidental loss of
1949 * numeric range, and in the hope that they will be less likely to confuse
1950 * over-eager optimizers.
1951 *
1952 */
27d4fb96 1953
99abf803
PP
1954#define PERL_UCHAR_MIN ((unsigned char)0)
1955
1956#ifdef UCHAR_MAX
1957# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1958#else
99abf803
PP
1959# ifdef MAXUCHAR
1960# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1961# else
99abf803 1962# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1963# endif
1964#endif
d460ef45 1965
99abf803
PP
1966/*
1967 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1968 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1969 * depending on local options. Until Configure detects this (or at least
1970 * detects whether the "signed" keyword is available) the CHAR ranges
1971 * will not be included. UCHAR functions normally.
1972 * - kja
1973 */
27d4fb96 1974
99abf803
PP
1975#define PERL_USHORT_MIN ((unsigned short)0)
1976
1977#ifdef USHORT_MAX
1978# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1979#else
99abf803
PP
1980# ifdef MAXUSHORT
1981# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1982# else
ef2f54b0
CB
1983# ifdef USHRT_MAX
1984# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1985# else
1986# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1987# endif
27d4fb96
PP
1988# endif
1989#endif
1990
27d4fb96 1991#ifdef SHORT_MAX
99abf803 1992# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1993#else
1994# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1995# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1996# else
ef2f54b0
CB
1997# ifdef SHRT_MAX
1998# define PERL_SHORT_MAX ((short)SHRT_MAX)
1999# else
2000# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2001# endif
27d4fb96
PP
2002# endif
2003#endif
2004
2005#ifdef SHORT_MIN
99abf803 2006# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2007#else
2008# ifdef MINSHORT
99abf803 2009# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2010# else
ef2f54b0
CB
2011# ifdef SHRT_MIN
2012# define PERL_SHORT_MIN ((short)SHRT_MIN)
2013# else
2014# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2015# endif
27d4fb96
PP
2016# endif
2017#endif
2018
99abf803
PP
2019#ifdef UINT_MAX
2020# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2021#else
99abf803
PP
2022# ifdef MAXUINT
2023# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2024# else
99abf803 2025# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2026# endif
2027#endif
2028
99abf803 2029#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2030
2031#ifdef INT_MAX
99abf803 2032# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2033#else
2034# ifdef MAXINT /* Often used in <values.h> */
99abf803 2035# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2036# else
99abf803 2037# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2038# endif
2039#endif
2040
2041#ifdef INT_MIN
99abf803 2042# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2043#else
2044# ifdef MININT
99abf803 2045# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2046# else
2047# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2048# endif
2049#endif
2050
99abf803
PP
2051#ifdef ULONG_MAX
2052# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2053#else
99abf803
PP
2054# ifdef MAXULONG
2055# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2056# else
99abf803 2057# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2058# endif
2059#endif
2060
99abf803 2061#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2062
760ac839 2063#ifdef LONG_MAX
99abf803 2064# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2065#else
2066# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2067# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2068# else
99abf803 2069# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2070# endif
2071#endif
2072
2073#ifdef LONG_MIN
99abf803 2074# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2075#else
2076# ifdef MINLONG
99abf803 2077# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2078# else
27d4fb96 2079# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2080# endif
2081#endif
2082
d7d93a81 2083#ifdef UV_IS_QUAD
99abf803 2084
99abf803 2085# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2086# define PERL_UQUAD_MIN ((UV)0)
99abf803 2087# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2088# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2089
79072805
LW
2090#endif
2091
22f7c9c9
JH
2092#ifdef MYMALLOC
2093# include "malloc_ctl.h"
2094#endif
2095
830247a4 2096struct RExC_state_t;
880b20b6 2097
ee0007ab 2098typedef MEM_SIZE STRLEN;
450a55e4 2099
79072805
LW
2100typedef struct op OP;
2101typedef struct cop COP;
2102typedef struct unop UNOP;
2103typedef struct binop BINOP;
2104typedef struct listop LISTOP;
2105typedef struct logop LOGOP;
79072805
LW
2106typedef struct pmop PMOP;
2107typedef struct svop SVOP;
7934575e 2108typedef struct padop PADOP;
79072805 2109typedef struct pvop PVOP;
79072805
LW
2110typedef struct loop LOOP;
2111
93a17b20 2112typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2113
2114/* Amdahl's <ksync.h> has struct sv */
2115/* SGI's <sys/sema.h> has struct sv */
2116#if defined(UTS) || defined(__sgi)
2117# define STRUCT_SV perl_sv
b8d3c5db
JH
2118#else
2119# define STRUCT_SV sv
2120#endif
2121typedef struct STRUCT_SV SV;
79072805
LW
2122typedef struct av AV;
2123typedef struct hv HV;
2124typedef struct cv CV;
378cc40b 2125typedef struct regexp REGEXP;
79072805 2126typedef struct gp GP;
0c30d9ec 2127typedef struct gv GV;
8990e307 2128typedef struct io IO;
c09156bb 2129typedef struct context PERL_CONTEXT;
79072805
LW
2130typedef struct block BLOCK;
2131
2132typedef struct magic MAGIC;
2133typedef struct xpv XPV;
2134typedef struct xpviv XPVIV;
ff68c719 2135typedef struct xpvuv XPVUV;
79072805
LW
2136typedef struct xpvnv XPVNV;
2137typedef struct xpvmg XPVMG;
2138typedef struct xpvlv XPVLV;
2139typedef struct xpvav XPVAV;
2140typedef struct xpvhv XPVHV;
2141typedef struct xpvgv XPVGV;
2142typedef struct xpvcv XPVCV;
2143typedef struct xpvbm XPVBM;
2144typedef struct xpvfm XPVFM;
8990e307 2145typedef struct xpvio XPVIO;
79072805
LW
2146typedef struct mgvtbl MGVTBL;
2147typedef union any ANY;
5f7fde29
GS
2148typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2149typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2150typedef struct clone_params CLONE_PARAMS;
2151
378cc40b 2152#include "handy.h"
a0d0e21e 2153
6b8eaf93 2154#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2155# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2156# define USE_64_BIT_RAWIO /* implicit */
2157# endif
4564133c
JH
2158#endif
2159
6b8eaf93
JH
2160/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2161 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2162 * however, because operating systems like to do that themself. */
2163#ifndef FSEEKSIZE
2164# ifdef HAS_FSEEKO
2165# define FSEEKSIZE LSEEKSIZE
2166# else
2167# define FSEEKSIZE LONGSIZE
d460ef45 2168# endif
6b8eaf93
JH
2169#endif
2170
2171#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2172# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2173# define USE_64_BIT_STDIO /* implicit */
2174# endif
2175#endif
4564133c 2176
09458382 2177#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2178# ifdef HAS_OFF64_T
2179# undef Off_t
2180# define Off_t off64_t
2181# undef LSEEKSIZE
2182# define LSEEKSIZE 8
5ff3f7a4 2183# endif
d9b3e12d
JH
2184/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2185 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2186 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2187# if defined(USE_OPEN64)
2188# define open open64
5ff3f7a4 2189# endif
d9b3e12d
JH
2190# if defined(USE_LSEEK64)
2191# define lseek lseek64
6b8eaf93
JH
2192# else
2193# if defined(USE_LLSEEK)
2194# define lseek llseek
2195# endif
d9b3e12d
JH
2196# endif
2197# if defined(USE_STAT64)
2198# define stat stat64
2199# endif
2200# if defined(USE_FSTAT64)
2201# define fstat fstat64
2202# endif
2203# if defined(USE_LSTAT64)
2204# define lstat lstat64
2205# endif
2206# if defined(USE_FLOCK64)
2207# define flock flock64
2208# endif
2209# if defined(USE_LOCKF64)
2210# define lockf lockf64
2211# endif
2212# if defined(USE_FCNTL64)
2213# define fcntl fcntl64
2214# endif
2215# if defined(USE_TRUNCATE64)
2216# define truncate truncate64
2217# endif
2218# if defined(USE_FTRUNCATE64)
2219# define ftruncate ftruncate64
2220# endif
2221#endif
2222
2223#ifdef USE_64_BIT_STDIO
2224# ifdef HAS_FPOS64_T
2225# undef Fpos_t
2226# define Fpos_t fpos64_t
2227# endif
2228/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2229 * will trigger defines like the ones below. Some 64-bit environments,
2230 * however, do not. */
2231# if defined(USE_FOPEN64)
2232# define fopen fopen64
2233# endif
2234# if defined(USE_FSEEK64)
6b8eaf93 2235# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2236# endif
2237# if defined(USE_FTELL64)
6b8eaf93 2238# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2239# endif
2240# if defined(USE_FSETPOS64)
2241# define fsetpos fsetpos64
2242# endif
2243# if defined(USE_FGETPOS64)
2244# define fgetpos fgetpos64
2245# endif
2246# if defined(USE_TMPFILE64)
2247# define tmpfile tmpfile64
2248# endif
2249# if defined(USE_FREOPEN64)
2250# define freopen freopen64
5ff3f7a4
GS
2251# endif
2252#endif
2253
af8b425d 2254#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2255# include "iperlsys.h"
2256#endif
2257
6f71a643 2258#if defined(__OPEN_VM)
19848b3f
JH
2259# include "vmesa/vmesaish.h"
2260# define ISHISH "vmesa"
6f71a643
JH
2261#endif
2262
748a9306 2263#ifdef DOSISH
19848b3f
JH
2264# if defined(OS2)
2265# include "os2ish.h"
2266# else
2267# include "dosish.h"
2268# endif
2269# define ISHISH "dos"
2270#endif
2271
2272#if defined(VMS)
748a9306 2273# include "vmsish.h"
96e176bf 2274# include "embed.h"
19848b3f
JH
2275# define ISHISH "vms"
2276#endif
2277
2278#if defined(PLAN9)
2279# include "./plan9/plan9ish.h"
2280# define ISHISH "plan9"
2281#endif
2282
2283#if defined(MPE)
2284# include "mpeix/mpeixish.h"
2285# define ISHISH "mpeix"
2286#endif
2287
2288#if defined(__VOS__)
196918b0
PG
2289# ifdef __GNUC__
2290# include "./vos/vosish.h"
2291# else
2292# include "vos/vosish.h"
2293# endif
19848b3f
JH
2294# define ISHISH "vos"
2295#endif
2296
2297#if defined(EPOC)
2298# include "epocish.h"
2299# define ISHISH "epoc"
2300#endif
2301
27da23d5
JH
2302#ifdef SYMBIAN
2303# include "symbian/symbianish.h"
2304# include "embed.h"
2305# define ISHISH "symbian"
2306#endif
2307
19848b3f
JH
2308#if defined(MACOS_TRADITIONAL)
2309# include "macos/macish.h"
2310# ifndef NO_ENVIRON_ARRAY
2311# define NO_ENVIRON_ARRAY
0c30d9ec 2312# endif
19848b3f
JH
2313# define ISHISH "macos classic"
2314#endif
2315
efca5cc6
JH
2316#if defined(__BEOS__)
2317# include "beos/beosish.h"
2318# define ISHISH "beos"
2319#endif
2320
19848b3f
JH
2321#ifndef ISHISH
2322# include "unixish.h"
2323# define ISHISH "unix"
13b6e58c
JH
2324#endif
2325
2326#ifndef NO_ENVIRON_ARRAY
2327# define USE_ENVIRON_ARRAY
2328#endif
32f822de 2329
c77b533b
JH
2330/*
2331 * initialise to avoid floating-point exceptions from overflow, etc
2332 */
2333#ifndef PERL_FPU_INIT
2334# ifdef HAS_FPSETMASK
2335# if HAS_FLOATINGPOINT_H
2336# include <floatingpoint.h>
2337# endif
2338# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2339# else
2f42fcb0 2340# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2341# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2342# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2343# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2344# else
2345# define PERL_FPU_INIT
2f42fcb0 2346
7014c407 2347# endif
c77b533b
JH
2348# endif
2349#endif
b35112e7
CS
2350#ifndef PERL_FPU_PRE_EXEC
2351# define PERL_FPU_PRE_EXEC {
2352# define PERL_FPU_POST_EXEC }
2353#endif
c77b533b 2354
ed344e4f
IZ
2355#ifndef PERL_SYS_INIT3
2356# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2357#endif
2358
be708cc0
JH
2359#ifndef PERL_WRITE_MSG_TO_CONSOLE
2360# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2361#endif
2362
0f31cffe
GS
2363#ifndef MAXPATHLEN
2364# ifdef PATH_MAX
b990c8b2
JH
2365# ifdef _POSIX_PATH_MAX
2366# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2367/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2368 * included the null byte or not. Later amendments of POSIX,
2369 * XPG4, the Austin Group, and the Single UNIX Specification
2370 * all explicitly include the null byte in the PATH_MAX.
2371 * Ditto for _POSIX_PATH_MAX. */
2372# define MAXPATHLEN PATH_MAX
b990c8b2 2373# else
09448d78 2374# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2375# endif
2376# else
2377# define MAXPATHLEN (PATH_MAX+1)
2378# endif
0f31cffe 2379# else
b990c8b2 2380# ifdef _POSIX_PATH_MAX
09448d78 2381# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2382# else
2383# define MAXPATHLEN 1024 /* Err on the large side. */
2384# endif
0f31cffe
GS
2385# endif
2386#endif
2387
3db8f154 2388/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2389 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2390 * this results in many functions being undeclared which bothers C++
2391 * May make sense to have threads after "*ish.h" anyway
2392 */
2393
3db8f154 2394#if defined(USE_ITHREADS)
2986a63f
JH
2395# ifdef NETWARE
2396# include <nw5thread.h>
2397# else
32f822de
GS
2398# ifdef FAKE_THREADS
2399# include "fakethr.h"
2400# else
2401# ifdef WIN32
2402# include <win32thread.h>
2403# else
dd96f567
IZ
2404# ifdef OS2
2405# include "os2thread.h"
2406# else
7f3d1cf1 2407# ifdef I_MACH_CTHREADS
bdd66968 2408# include <mach/cthreads.h>
8f1f23e8 2409# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2410# define MUTEX_INIT_CALLS_MALLOC
2411# endif
7f3d1cf1
BH
2412typedef cthread_t perl_os_thread;
2413typedef mutex_t perl_mutex;
2414typedef condition_t perl_cond;
2415typedef void * perl_key;
2416# else /* Posix threads */
1f5ae88c
JH
2417# ifdef I_PTHREAD
2418# include <pthread.h>
2419# endif
7f3d1cf1
BH
2420typedef pthread_t perl_os_thread;
2421typedef pthread_mutex_t perl_mutex;
2422typedef pthread_cond_t perl_cond;
2423typedef pthread_key_t perl_key;
2424# endif /* I_MACH_CTHREADS */
dd96f567 2425# endif /* OS2 */
32f822de
GS
2426# endif /* WIN32 */
2427# endif /* FAKE_THREADS */
2986a63f 2428#endif /* NETWARE */
3db8f154 2429#endif /* USE_ITHREADS */
c5be433b 2430
66a93824 2431#if defined(WIN32)
1feb2720 2432# include "win32.h"
c5be433b
GS
2433#endif
2434
2986a63f
JH
2435#ifdef NETWARE
2436# include "netware.h"
2437#endif
2438
e5218da5 2439#define STATUS_UNIX PL_statusvalue
68dc0745 2440#ifdef VMS
6b88bc9c 2441# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2442# define STATUS_NATIVE_EXPORT \
d98f61e7 2443 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2444# define STATUS_NATIVE_SET(n) \
2445 STMT_START { \
6b88bc9c
GS
2446 PL_statusvalue_vms = (n); \
2447 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2448 PL_statusvalue = -1; \
6b88bc9c 2449 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2450 PL_statusvalue = 0; \
6b88bc9c
GS
2451 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2452 PL_statusvalue = 1 << 8; \
68dc0745 2453 else \
6b88bc9c 2454 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2455 } STMT_END
68dc0745 2456# ifdef VMSISH_STATUS
e5218da5 2457# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2458# else
e5218da5 2459# define STATUS_CURRENT STATUS_UNIX
68dc0745 2460# endif
e5218da5 2461# define STATUS_UNIX_SET(n) \
68dc0745 2462 STMT_START { \
3280af22
NIS
2463 PL_statusvalue = (n); \
2464 if (PL_statusvalue != -1) { \
2465 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2466 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2467 } \
6b88bc9c 2468 else PL_statusvalue_vms = -1; \
68dc0745 2469 } STMT_END
6b88bc9c
GS
2470# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2471# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2472#else
e5218da5
GA
2473# define STATUS_NATIVE PL_statusvalue_posix
2474# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2475# if defined(WCOREDUMP)
2476# define STATUS_NATIVE_SET(n) \
2477 STMT_START { \
2478 PL_statusvalue_posix = (n); \
2479 if (PL_statusvalue_posix == -1) \
2480 PL_statusvalue = -1; \
2481 else { \
2482 PL_statusvalue = \
2483 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2484 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2485 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2486 } \
2487 } STMT_END
2488# elif defined(WIFEXITED)
2489# define STATUS_NATIVE_SET(n) \
2490 STMT_START { \
2491 PL_statusvalue_posix = (n); \
2492 if (PL_statusvalue_posix == -1) \
2493 PL_statusvalue = -1; \
2494 else { \
2495 PL_statusvalue = \
2496 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2497 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2498 } \
2499 } STMT_END
2500# else
2501# define STATUS_NATIVE_SET(n) \
2502 STMT_START { \
2503 PL_statusvalue_posix = (n); \
2504 if (PL_statusvalue_posix == -1) \
2505 PL_statusvalue = -1; \
2506 else { \
2507 PL_statusvalue = \
2508 PL_statusvalue_posix & 0xFFFF; \
2509 } \
2510 } STMT_END
2511# endif
2512# define STATUS_UNIX_SET(n) \
68dc0745 2513 STMT_START { \
3280af22 2514 PL_statusvalue = (n); \
e5218da5 2515 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2516 if (PL_statusvalue != -1) \
2517 PL_statusvalue &= 0xFFFF; \
68dc0745 2518 } STMT_END
e5218da5
GA
2519# define STATUS_CURRENT STATUS_UNIX
2520# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2521# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2522#endif
2523
cc3604b1
GS
2524/* flags in PL_exit_flags for nature of exit() */
2525#define PERL_EXIT_EXPECTED 0x01
31d77e54 2526#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2527
0b94c7bb 2528#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2529# define MEMBER_TO_FPTR(name) name
2530#endif
2531
2532/* format to use for version numbers in file/directory names */
273cf8d1 2533/* XXX move to Configure? */
a7cb1f99 2534#ifndef PERL_FS_VER_FMT
273cf8d1 2535# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2536#endif
2537
45bc9206 2538/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2539 * performance issue, so we allow people to disable it. Also, if
2540 * we are using stdio, there are broken implementations of fflush(NULL)
2541 * out there, Solaris being the most prominent.
45bc9206
GS
2542 */
2543#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2544# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2545# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2546# else
2547# ifdef FFLUSH_ALL
2548# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2549# else
c5be433b 2550# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2551# endif
66fe083f 2552# endif
45bc9206
GS
2553#endif
2554
7766f137
GS
2555#ifndef PERL_WAIT_FOR_CHILDREN
2556# define PERL_WAIT_FOR_CHILDREN NOOP
2557#endif
2558
ba869deb 2559/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2560#ifndef PERL_SET_INTERP
2561# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2562#endif
2563
2564#ifndef PERL_GET_INTERP
2565# define PERL_GET_INTERP (PL_curinterp)
2566#endif
2567
54aff467 2568#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2569# ifdef MULTIPLICITY
ba869deb 2570# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2571# endif
ba869deb
GS
2572# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2573#endif
2574
0dbb1585
AL
2575/* This replaces the previous %_ "hack" by the "%-p" hack
2576 All that is required is that the perl source does not
2577 use "%-p" or "%-<number>p" format. These format will
2578 still work in perl code. RMB 2005/05/17
2579*/
894356b3 2580#ifndef SVf
0dbb1585 2581# define SVf "-p"
894356b3
GS
2582#endif
2583
014ead4b 2584#ifndef SVf_precision
0dbb1585 2585# define SVf_precision(n) "-" n "p"
d2560b70
RB
2586#endif
2587
014ead4b
RB
2588#ifndef SVf32
2589# define SVf32 SVf_precision("32")
2590#endif
2591
2592#ifndef SVf256
2593# define SVf256 SVf_precision("256")
2594#endif
2595
2596#ifndef UVf
2597# define UVf UVuf
d2560b70
RB
2598#endif
2599
5df617be 2600#ifndef DieNull
0dbb1585 2601# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2602#endif
2603
0dbb1585
AL
2604/* In case Configure was not used (we are using a "canned config"
2605 * such as Win32, or a cross-compilation setup, for example) try going
2606 * by the gcc major and minor versions. One useful URL is
2607 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2608 * but contrary to this information warn_unused_result seems
2609 * not to be in gcc 3.3.5, at least. --jhi */
2610#if defined __GNUC__
2611# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2612# define HASATTRIBUTE_FORMAT
2613# endif
2614# if __GNUC__ >= 3 /* 3.0 -> */
2615# define HASATTRIBUTE_MALLOC
2616# endif
2617# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2618# define HASATTRIBUTE_NONNULL
2619# endif
2620# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2621# define HASATTRIBUTE_NORETURN
2622# endif
2623# if __GNUC__ >= 3 /* gcc 3.0 -> */
2624# define HASATTRIBUTE_PURE
2625# endif
2626# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2627# define HASATTRIBUTE_UNUSED
2628# endif
2629# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2630# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB
2631# endif
2632#endif
b7787f18 2633
f22be1b8 2634
0dbb1585
AL
2635#ifdef HASATTRIBUTE_FORMAT
2636# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2637#endif
2638#ifdef HASATTRIBUTE_MALLOC
abb2c242 2639# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2640#endif
0dbb1585 2641#ifdef HASATTRIBUTE_NONNULL
abb2c242 2642# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2643#endif
0dbb1585 2644#ifdef HASATTRIBUTE_NORETURN
abb2c242 2645# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2646#endif
0dbb1585 2647#ifdef HASATTRIBUTE_PURE
abb2c242 2648# define __attribute__pure__ __attribute__((pure))
f22be1b8 2649#endif
0dbb1585
AL
2650#ifdef HASATTRIBUTE_UNUSED
2651# define __attribute__unused__ __attribute__((unused))
2652#endif
2653#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2654# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2655#endif
2656
0dbb1585
AL
2657/* If we haven't defined the attributes yet, define them to blank. */
2658#ifndef __attribute__format__
2659# define __attribute__format__(x,y,z)
2660#endif
f22be1b8 2661#ifndef __attribute__malloc__
abb2c242 2662# define __attribute__malloc__
f22be1b8
JH
2663#endif
2664#ifndef __attribute__nonnull__
abb2c242 2665# define __attribute__nonnull__(a)
f22be1b8
JH
2666#endif
2667#ifndef __attribute__noreturn__
abb2c242 2668# define __attribute__noreturn__
f22be1b8
JH
2669#endif
2670#ifndef __attribute__pure__
abb2c242 2671# define __attribute__pure__
f22be1b8 2672#endif
0dbb1585
AL
2673#ifndef __attribute__unused__
2674# define __attribute__unused__
2675#endif
f22be1b8 2676#ifndef __attribute__warn_unused_result__
abb2c242
JH
2677# define __attribute__warn_unused_result__
2678#endif
2679
0dbb1585
AL
2680/* For functions that are marked as __attribute__noreturn__, it's not
2681 appropriate to call return. In either case, include the lint directive.
2682 */
2683#ifdef HASATTRIBUTE_NORETURN
2684# define NORETURN_FUNCTION_END /* NOT REACHED */
2685#else
2686# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2687#endif
2688
3fc1aec6
PP
2689/* Some unistd.h's give a prototype for pause() even though
2690 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2691 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2692*/
2693#ifdef HAS_PAUSE
2694#define Pause pause
2695#else
2696#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2697#endif
2698
2699#ifndef IOCPARM_LEN
2700# ifdef IOCPARM_MASK
2701 /* on BSDish systes we're safe */
2702# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2703# else
2704 /* otherwise guess at what's safe */
2705# define IOCPARM_LEN(x) 256
2706# endif
a0d0e21e
LW
2707#endif
2708
1761cee5 2709#if defined(__CYGWIN__)
521e0776
GS
2710/* USEMYBINMODE
2711 * This symbol, if defined, indicates that the program should
16fe6d59 2712 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2713 * that a file is in "binary" mode -- that is, that no translation
2714 * of bytes occurs on read or write operations.
2715 */
36894f0b 2716# define USEMYBINMODE /**/
77a40698 2717# include <io.h> /* for setmode() prototype */
16fe6d59 2718# define my_binmode(fp, iotype, mode) \
77a40698 2719 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2720#endif
2721
88d10794
JH
2722#ifdef __CYGWIN__
2723void init_os_extras(void);
2724#endif
2725
cea2e8a9
GS
2726#ifdef UNION_ANY_DEFINITION
2727UNION_ANY_DEFINITION;
2728#else
2729union any {
2730 void* any_ptr;
2731 I32 any_i32;
2732 IV any_iv;
2733 long any_long;
9febdf04 2734 bool any_bool;
c76ac1ee 2735 void (*any_dptr) (void*);
acfe0abc 2736 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2737};
2738#endif
2739
acfe0abc 2740typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2741
2742#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2743#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2744#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2745
c5078cac
JH
2746#if defined(_AIX) && !defined(_AIX43)
2747#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2748/* We cannot include <crypt.h> to get the struct crypt_data
2749 * because of setkey prototype problems when threading */
2750typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2751 /* From OSF, Not needed in AIX
2752 char C[28], D[28];
2753 */
2754 char E[48];
2755 char KS[16][48];
2756 char block[66];
2757 char iobuf[16];
2758} CRYPTD;
2759#endif /* threading */
2760#endif /* AIX */
2761
af8b425d 2762#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2763# include "iperlsys.h"
2764#endif
504f80c1 2765
d10dc2ae
JH
2766/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2767 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2768 * defined by Configure, despite their names being similar to the
2769 * other defines like USE_ITHREADS. Configure in fact knows nothing
2770 * about the randomised hashes. Therefore to enable/disable the hash
2771 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2772#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2773# define USE_HASH_SEED
504f80c1
JH
2774#endif
2775
378cc40b 2776#include "regexp.h"
79072805 2777#include "sv.h"
378cc40b 2778#include "util.h"
8d063cd8 2779#include "form.h"
79072805 2780#include "gv.h"
dd2155a4 2781#include "pad.h"
79072805 2782#include "cv.h"
abdd5c84 2783#include "opnames.h"
79072805
LW
2784#include "op.h"
2785#include "cop.h"
2786#include "av.h"
2787#include "hv.h"
2788#include "mg.h"
2789#include "scope.h"
4438c4b7 2790#include "warnings.h"
a0ed51b3 2791#include "utf8.h"
8d063cd8 2792
7fae4e64
GS
2793/* Current curly descriptor */
2794typedef struct curcur CURCUR;
2795struct curcur {
2796 int parenfloor; /* how far back to strip paren data */
2797 int cur; /* how many instances of scan we've matched */
2798 int min; /* the minimal number of scans to match */
2799 int max; /* the maximal number of scans to match */
2800 int minmod; /* whether to work our way up or down */
2801 regnode * scan; /* the thing to match */
2802 regnode * next; /* what has to match after it */
2803 char * lastloc; /* where we started matching this scan */
2804 CURCUR * oldcc; /* current curly before we started this one */
2805};
2806
2807typedef struct _sublex_info SUBLEXINFO;
2808struct _sublex_info {
2809 I32 super_state; /* lexer state to save */
2810 I32 sub_inwhat; /* "lex_inwhat" to use */
2811 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2812 char *super_bufptr; /* PL_bufptr that was */
2813 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2814};
2815
455ece5e 2816typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2817
2c2d71f5 2818struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2819struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2820
2821typedef I32 CHECKPOINT;
76e3520e 2822
6f51351d
NC
2823/* Keep next first in this structure, because sv_free_arenas take
2824 advantage of this to share code between the pte arenas and the SV
2825 body arenas */
5f7fde29
GS
2826struct ptr_tbl_ent {
2827 struct ptr_tbl_ent* next;
2828 void* oldval;
2829 void* newval;
d18c6117
GS
2830};
2831
5f7fde29
GS
2832struct ptr_tbl {
2833 struct ptr_tbl_ent** tbl_ary;
2834 UV tbl_max;
2835 UV tbl_items;
d18c6117
GS
2836};
2837
450a55e4 2838#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2839# define I286
2840#endif
2841
fe14fcc3
LW
2842#if defined(htonl) && !defined(HAS_HTONL)
2843#define HAS_HTONL
ae986130 2844#endif
fe14fcc3
LW
2845#if defined(htons) && !defined(HAS_HTONS)
2846#define HAS_HTONS
ae986130 2847#endif
fe14fcc3
LW
2848#if defined(ntohl) && !defined(HAS_NTOHL)
2849#define HAS_NTOHL
ae986130 2850#endif
fe14fcc3
LW
2851#if defined(ntohs) && !defined(HAS_NTOHS)
2852#define HAS_NTOHS
ae986130 2853#endif
fe14fcc3 2854#ifndef HAS_HTONL
d9d8d8de 2855#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2856#define HAS_HTONS
2857#define HAS_HTONL
2858#define HAS_NTOHS
2859#define HAS_NTOHL
a687059c
LW
2860#define MYSWAP
2861#define htons my_swap
2862#define htonl my_htonl
2863#define ntohs my_swap
2864#define ntohl my_ntohl
2865#endif
2866#else
d9d8d8de 2867#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2868#undef HAS_HTONS
2869#undef HAS_HTONL
2870#undef HAS_NTOHS
2871#undef HAS_NTOHL
a687059c
LW
2872#endif
2873#endif
2874
988174c1
LW
2875/*
2876 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2877 * -DWS
2878 */
2879#if BYTEORDER != 0x1234
2880# define HAS_VTOHL
2881# define HAS_VTOHS
2882# define HAS_HTOVL
2883# define HAS_HTOVS
c67712b2 2884# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2885# define vtohl(x) ((((x)&0xFF)<<24) \
2886 +(((x)>>24)&0xFF) \
2887 +(((x)&0x0000FF00)<<8) \
2888 +(((x)&0x00FF0000)>>8) )
2889# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2890# define htovl(x) vtohl(x)
2891# define htovs(x) vtohs(x)
2892# endif
2893 /* otherwise default to functions in util.c */
2a8c3029 2894#ifndef htovs
c623ac67
GS
2895short htovs(short n);
2896short vtohs(short n);
2897long htovl(long n);
2898long vtohl(long n);
988174c1 2899#endif
2a8c3029 2900#endif
988174c1 2901
3bb7c1b4
JH
2902/* *MAX Plus 1. A floating point value.
2903 Hopefully expressed in a way that dodgy floating point can't mess up.
2904 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2905 is added to it
2906 May find that some broken compiler will want the value cast to I32.
2907 [after the shift, as signed >> may not be as secure as unsigned >>]
2908*/
2909#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2910#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2911/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2912 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2913 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2914*/
2915#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2916
3bb7c1b4
JH
2917#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2918#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2919#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2920
2921/* This may look like unnecessary jumping through hoops, but converting
2922 out of range floating point values to integers *is* undefined behaviour,
2923 and it is starting to bite.
2924*/
2925#ifndef CAST_INLINE
65202027 2926#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2927#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2928#define I_V(what) (cast_iv((NV)(what)))
2929#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2930#else
2931#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2932 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2933 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2934#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2935 : ((n) < U32_MAX_P1 ? (U32) (n) \
2936 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2937#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2938 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2939 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2940#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2941 : ((n) < UV_MAX_P1 ? (UV) (n) \
2942 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2943#endif
2944
2945#define U_S(what) ((U16)U_32(what))
2946#define U_I(what) ((unsigned int)U_32(what))
2947#define U_L(what) U_32(what)
ed6116ce 2948
2d4389e4
JH
2949/* These do not care about the fractional part, only about the range. */
2950#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2951#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2952
25da4f38
IZ
2953/* Used with UV/IV arguments: */
2954 /* XXXX: need to speed it up */
2955#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2956#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2957
352d5a3a
LW
2958#ifndef MAXSYSFD
2959# define MAXSYSFD 2
2960#endif
ee0007ab 2961
79072805 2962#ifndef __cplusplus
27da23d5 2963#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2964Uid_t getuid (void);
2965Uid_t geteuid (void);
2966Gid_t getgid (void);
2967Gid_t getegid (void);
79072805 2968#endif
e1caacb4 2969#endif
8d063cd8 2970
0c30d9ec 2971#ifndef Perl_debug_log
bf49b057
GS
2972# define Perl_debug_log PerlIO_stderr()
2973#endif
2974
2975#ifndef Perl_error_log
2976# define Perl_error_log (PL_stderrgv \
6b78add2 2977 && isGV(PL_stderrgv) \
01bb7c6d 2978 && GvIOp(PL_stderrgv) \
42de951c 2979 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2980 ? IoOFP(GvIOp(PL_stderrgv)) \
2981 : PerlIO_stderr())
0c30d9ec 2982#endif
3967c732 2983
aea4f609
DM
2984
2985#define DEBUG_p_FLAG 0x00000001 /* 1 */
2986#define DEBUG_s_FLAG 0x00000002 /* 2 */
2987#define DEBUG_l_FLAG 0x00000004 /* 4 */
2988#define DEBUG_t_FLAG 0x00000008 /* 8 */
2989#define DEBUG_o_FLAG 0x00000010 /* 16 */
2990#define DEBUG_c_FLAG 0x00000020 /* 32 */
2991#define DEBUG_P_FLAG 0x00000040 /* 64 */
2992#define DEBUG_m_FLAG 0x00000080 /* 128 */
2993#define DEBUG_f_FLAG 0x00000100 /* 256 */
2994#define DEBUG_r_FLAG 0x00000200 /* 512 */
2995#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2996#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2997 /* spare */
aea4f609
DM
2998#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2999#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3000#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3001#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3002#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3003#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3004#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3005#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3006#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3007#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3008#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3009#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3010
3011#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3012#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3013 that something was done? */
aea4f609 3014
bd16a5f0
IZ
3015# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3016# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3017# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3018# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3019# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3020# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3021# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3022# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3023# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3024# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3025# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3026# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3027# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3028# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3029# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3030# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3031# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3032# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3033# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3034# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3035# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3036# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3037# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3038# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3039
3967c732 3040#ifdef DEBUGGING
aea4f609 3041
bd16a5f0
IZ
3042# define DEBUG_p_TEST DEBUG_p_TEST_
3043# define DEBUG_s_TEST DEBUG_s_TEST_
3044# define DEBUG_l_TEST DEBUG_l_TEST_
3045# define DEBUG_t_TEST DEBUG_t_TEST_
3046# define DEBUG_o_TEST DEBUG_o_TEST_
3047# define DEBUG_c_TEST DEBUG_c_TEST_
3048# define DEBUG_P_TEST DEBUG_P_TEST_
3049# define DEBUG_m_TEST DEBUG_m_TEST_
3050# define DEBUG_f_TEST DEBUG_f_TEST_
3051# define DEBUG_r_TEST DEBUG_r_TEST_
3052# define DEBUG_x_TEST DEBUG_x_TEST_
3053# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3054# define DEBUG_H_TEST DEBUG_H_TEST_
3055# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3056# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3057# define DEBUG_D_TEST DEBUG_D_TEST_
3058# define DEBUG_S_TEST DEBUG_S_TEST_
3059# define DEBUG_T_TEST DEBUG_T_TEST_
3060# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3061# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3062# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3063# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3064# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3065# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3066
488b0c7a
JH
3067# define PERL_DEB(a) a
3068# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3069# define DEBUG_p(a) if (DEBUG_p_TEST) a
3070# define DEBUG_s(a) if (DEBUG_s_TEST) a
3071# define DEBUG_l(a) if (DEBUG_l_TEST) a
3072# define DEBUG_t(a) if (DEBUG_t_TEST) a
3073# define DEBUG_o(a) if (DEBUG_o_TEST) a
3074# define DEBUG_c(a) if (DEBUG_c_TEST) a
3075# define DEBUG_P(a) if (DEBUG_P_TEST) a
3076
969058bb
VK
3077 /* Temporarily turn off memory debugging in case the a
3078 * does memory allocation, either directly or indirectly. */
acfe0abc 3079# define DEBUG_m(a) \
0b250b9e 3080 STMT_START { \
aea4f609 3081 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3082 } STMT_END
aea4f609 3083
5f80b19c
AMS
3084# define DEBUG__(t, a) \
3085 STMT_START { \
3086 if (t) STMT_START {a;} STMT_END; \
3087 } STMT_END
3088
3089# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3090# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3091# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3092# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3093# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3094# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3095# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3096# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3097
3db8f154 3098# define DEBUG_S(a)
aea4f609 3099
5f80b19c
AMS
3100# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3101# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3102# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3103# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3104# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3105# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3106
3107#else /* DEBUGGING */
3108
3109# define DEBUG_p_TEST (0)
3110# define DEBUG_s_TEST (0)
3111# define DEBUG_l_TEST (0)
3112# define DEBUG_t_TEST (0)
3113# define DEBUG_o_TEST (0)
3114# define DEBUG_c_TEST (0)
3115# define DEBUG_P_TEST (0)
3116# define DEBUG_m_TEST (0)
3117# define DEBUG_f_TEST (0)
3118# define DEBUG_r_TEST (0)
3119# define DEBUG_x_TEST (0)
3120# define DEBUG_u_TEST (0)
aea4f609
DM
3121# define DEBUG_H_TEST (0)
3122# define DEBUG_X_TEST (0)
dd2155a4 3123# define DEBUG_Xv_TEST (0)
aea4f609
DM
3124# define DEBUG_D_TEST (0)
3125# define DEBUG_S_TEST (0)
3126# define DEBUG_T_TEST (0)
04932ac8 3127# define DEBUG_R_TEST (0)
1045810a 3128# define DEBUG_J_TEST (0)
d6721266 3129# define DEBUG_v_TEST (0)
46187eeb 3130# define DEBUG_C_TEST (0)
ecae49c0
NC
3131# define DEBUG_A_TEST (0)
3132# define DEBUG_q_TEST (0)
aea4f609 3133
488b0c7a
JH
3134# define PERL_DEB(a)
3135# define PERL_DEBUG(a)
aea4f609
DM
3136# define DEBUG_p(a)
3137# define DEBUG_s(a)
3138# define DEBUG_l(a)
3139# define DEBUG_t(a)
3140# define DEBUG_o(a)
3141# define DEBUG_c(a)
3142# define DEBUG_P(a)
3143# define DEBUG_m(a)
3144# define DEBUG_f(a)
3145# define DEBUG_r(a)
3146# define DEBUG_x(a)
3147# define DEBUG_u(a)
aea4f609
DM
3148# define DEBUG_H(a)
3149# define DEBUG_X(a)
dd2155a4 3150# define DEBUG_Xv(a)
aea4f609
DM
3151# define DEBUG_D(a)
3152# define DEBUG_S(a)
3153# define DEBUG_T(a)
04932ac8 3154# define DEBUG_R(a)
d6721266 3155# define DEBUG_v(a)
46187eeb 3156# define DEBUG_C(a)
ecae49c0
NC
3157# define DEBUG_A(a)
3158# define DEBUG_q(a)
aea4f609
DM
3159#endif /* DEBUGGING */
3160
3161
b4ab917c
DM
3162#define DEBUG_SCOPE(where) \
3163 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3164 where, PL_scopestack_ix, __FILE__, __LINE__)));
3165
3166
3167
3168
d1be9408 3169/* These constants should be used in preference to raw characters
14befaf4
DM
3170 * when using magic. Note that some perl guts still assume
3171 * certain character properties of these constants, namely that
3172 * isUPPER() and toLOWER() may do useful mappings.
3173 *
3174 * Update the magic_names table in dump.c when adding/amending these
3175 */
3176
3177#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3178#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3179#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3180#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3181#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3182#define PERL_MAGIC_regdata 'D' /* Regex match position data
3183 (@+ and @- vars) */
3184#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3185#define PERL_MAGIC_env 'E' /* %ENV hash */
3186#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3187#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3188#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3189#define PERL_MAGIC_isa 'I' /* @ISA array */
3190#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3191#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3192#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3193#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3194#define PERL_MAGIC_mutex 'm' /* for lock op */
3195#define PERL_MAGIC_shared 'N' /* Shared between threads */
3196#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3197#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3198#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3199#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3200#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3201#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3202#define PERL_MAGIC_sig 'S' /* %SIG hash */
3203#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3204#define PERL_MAGIC_taint 't' /* Taintedness */
3205#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3206#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3207#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3208#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3209#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3210#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3211#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3212 smart parameter vivification */
3213#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3214#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3215#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3216#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3217#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3218#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3219#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3220#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3221
3222
a6e633de 3223#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3224#define assert(what) PERL_DEB( \
3225 ((what) ? ((void) 0) : \
60b9f5a7
NC
3226 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3227 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3228 PerlProc_exit(1), \
3229 (void) 0)))
a446a88f 3230#endif
8d063cd8 3231
450a55e4 3232struct ufuncs {
24f81a43
DM
3233 I32 (*uf_val)(pTHX_ IV, SV*);
3234 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3235 IV uf_index;
450a55e4
LW
3236};
3237
14befaf4 3238/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3239 * XS code wanting to be backward compatible can do something
3240 * like the following:
c745e42c 3241
24f81a43 3242#ifndef PERL_MG_UFUNC
24f81a43
DM
3243#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3244#endif
3245
3246static PERL_MG_UFUNC(foo_get, index, val)
3247{
3248 sv_setsv(val, ...);
3249 return TRUE;
3250}
3251
3252-- Doug MacEachern
3253
3254*/
3255
fc9c74e6 3256#ifndef PERL_MG_UFUNC
24f81a43 3257#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3258#endif
24f81a43 3259
fe14fcc3 3260/* Fix these up for __STDC__ */
68dc0745 3261#ifndef DONT_DECLARE_STD
20ce7b12 3262char *mktemp (char*);
37bd1396 3263#ifndef atof
20ce7b12 3264double atof (const char*);
a0d0e21e 3265#endif
37bd1396 3266#endif
79072805 3267
352d5a3a 3268#ifndef STANDARD_C
fe14fcc3 3269/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3270Time_t time();
8d063cd8 3271struct tm *gmtime(), *localtime();
092bebab 3272#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3273char *(strchr)(), *(strrchr)();
3274char *(strcpy)(), *(strcat)();
3275#else
93a17b20 3276char *strchr(), *strrchr();
378cc40b 3277char *strcpy(), *strcat();
9d116dd7 3278#endif
352d5a3a 3279#endif /* ! STANDARD_C */
8d063cd8 3280
79072805
LW
3281
3282#ifdef I_MATH
3283# include <math.h>
3284#else
32f822de 3285START_EXTERN_C
20ce7b12
GS
3286 double exp (double);
3287 double log (double);
3288 double log10 (double);
3289 double sqrt (double);
3290 double frexp (double,int*);
3291 double ldexp (double,int);
3292 double modf (double,double*);
3293 double sin (double);
3294 double cos (double);
3295 double atan2 (double,double);
3296 double pow (double,double);
32f822de 3297END_EXTERN_C
79072805
LW
3298#endif
3299
aa8b85de
JH
3300#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3301# define NV_INF LDBL_INFINITY
3302#endif
3303#if !defined(NV_INF) && defined(DBL_INFINITY)
3304# define NV_INF (NV)DBL_INFINITY
3305#endif
3306#if !defined(NV_INF) && defined(INFINITY)
3307# define NV_INF (NV)INFINITY
3308#endif
3309#if !defined(NV_INF) && defined(INF)
3310# define NV_INF (NV)INF
3311#endif
3312#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3313# define NV_INF (NV)HUGE_VALL
3314#endif
3315#if !defined(NV_INF) && defined(HUGE_VAL)
3316# define NV_INF (NV)HUGE_VAL
3317#endif
3318
3319#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3320# if !defined(NV_NAN) && defined(LDBL_NAN)
3321# define NV_NAN LDBL_NAN
3322# endif
3323# if !defined(NV_NAN) && defined(LDBL_QNAN)
3324# define NV_NAN LDBL_QNAN
3325# endif
3326# if !defined(NV_NAN) && defined(LDBL_SNAN)
3327# define NV_NAN LDBL_SNAN
3328# endif
3329#endif
3330#if !defined(NV_NAN) && defined(DBL_NAN)
3331# define NV_NAN (NV)DBL_NAN
3332#endif
3333#if !defined(NV_NAN) && defined(DBL_QNAN)
3334# define NV_NAN (NV)DBL_QNAN
3335#endif
3336#if !defined(NV_NAN) && defined(DBL_SNAN)
3337# define NV_NAN (NV)DBL_SNAN
3338#endif
3339#if !defined(NV_NAN) && defined(QNAN)
3340# define NV_NAN (NV)QNAN
3341#endif
3342#if !defined(NV_NAN) && defined(SNAN)
3343# define NV_NAN (NV)SNAN
3344#endif
3345#if !defined(NV_NAN) && defined(NAN)
3346# define NV_NAN (NV)NAN
3347#endif
3348
a0d0e21e 3349#ifndef __cplusplus
8f1f23e8 3350# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3351char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3352# else
fd8cd3a3 3353# if !defined(WIN32) && !defined(VMS)
10bc17b6 3354#ifndef crypt
20ce7b12 3355char *crypt (const char*, const char*);
10bc17b6 3356#endif
5014db98 3357# endif /* !WIN32 */
8f1f23e8 3358# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3359# ifndef DONT_DECLARE_STD
3360# ifndef getenv
20ce7b12 3361char *getenv (const char*);
26618a56 3362# endif /* !getenv */
28ca6303 3363# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3364# ifdef _FILE_OFFSET_BITS
28ca6303 3365# if _FILE_OFFSET_BITS == 64
20ce7b12 3366Off_t lseek (int,Off_t,int);
0fc67700
JH
3367# endif
3368# endif
bf0c440f 3369# endif
26618a56 3370# endif /* !DONT_DECLARE_STD */
10bc17b6 3371#ifndef getlogin
20ce7b12 3372char *getlogin (void);
10bc17b6 3373#endif
26618a56 3374#endif /* !__cplusplus */
79072805 3375
16d20bd9 3376#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3377#define UNLINK unlnk
20ce7b12 3378I32 unlnk (char*);
8d063cd8 3379#else
80252599 3380#define UNLINK PerlLIO_unlink
8d063cd8 3381#endif
a687059c 3382
fa0a29af
JH
3383/* some versions of glibc are missing the setresuid() proto */
3384#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3385int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3386#endif
fa0a29af
JH
3387/* some versions of glibc are missing the setresgid() proto */
3388#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3389int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3390#endif
3391
fe14fcc3 3392#ifndef HAS_SETREUID
85e6fe83
LW
3393# ifdef HAS_SETRESUID
3394# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3395# define HAS_SETREUID
3396# endif
a687059c 3397#endif
fe14fcc3 3398#ifndef HAS_SETREGID
85e6fe83
LW
3399# ifdef HAS_SETRESGID
3400# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3401# define HAS_SETREGID
3402# endif
a687059c 3403#endif
ee0007ab 3404
d543acb6 3405/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3406
3407#ifdef HAS_SIGACTION
3408typedef struct sigaction Sigsave_t;
3409#else
3410typedef Sighandler_t Sigsave_t;
3411#endif
3412
ee0007ab
LW
3413#define SCAN_DEF 0
3414#define SCAN_TR 1
3415#define SCAN_REPL 2
79072805
LW
3416
3417#ifdef DEBUGGING
4633a7c4 3418# ifndef register
a0d0e21e
LW
3419# define register
3420# endif
cea2e8a9 3421# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3422#else
cea2e8a9 3423# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3424#endif
3425
18f739ee 3426#ifdef MYMALLOC
772fe5b3 3427# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3428# define MALLOC_INIT \
3429 STMT_START { \
3430 PL_malloc_mutex = NULL; \
3431 MUTEX_INIT(&PL_malloc_mutex); \
3432 } STMT_END
3433# define MALLOC_TERM \
3434 STMT_START { \
3435 perl_mutex tmp = PL_malloc_mutex; \
3436 PL_malloc_mutex = NULL; \
3437 MUTEX_DESTROY(&tmp); \
3438 } STMT_END
3439# else
3440# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3441# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3442# endif
18f739ee
IZ
3443#else
3444# define MALLOC_INIT
3445# define MALLOC_TERM
3446#endif
3447
b6d9d515 3448
0cb96387 3449typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3450typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3451typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3452typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3453
940cb80d 3454/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3455#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3456
8f1f23e8
W
3457/* NeXT has problems with crt0.o globals */
3458#if defined(__DYNAMIC__) && \
6239f2da 3459 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3460# if defined(NeXT) || defined(__NeXT)
3461# include <mach-o/dyld.h>
3462# define environ (*environ_pointer)
0c30d9ec 3463EXT char *** environ_pointer;
8f1f23e8 3464# else
6239f2da 3465# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3466# include <crt_externs.h> /* for the env array */
3467# define environ (*_NSGetEnviron())
3468# endif
0c30d9ec 3469# endif
8f1f23e8
W
3470#else
3471 /* VMS and some other platforms don't use the environ array */
13b6e58c 3472# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3473# if !defined(DONT_DECLARE_STD) || \
3474 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3475 defined(__sgi) || \
d460ef45 3476 defined(__DGUX)
8f1f23e8 3477extern char ** environ; /* environment variables supplied via exec */
a6c40364 3478# endif
8f1f23e8
W
3479# endif
3480#endif
79072805 3481
73c4f7a1
GS
3482START_EXTERN_C
3483
79072805 3484/* handy constants */
22c35a8c 3485EXTCONST char PL_warn_uninit[]
29489e7c 3486 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3487EXTCONST char PL_warn_nosemi[]
463ee0b2 3488 INIT("Semicolon seems to be missing");
22c35a8c 3489EXTCONST char PL_warn_reserved[]
463ee0b2 3490 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3491EXTCONST char PL_warn_nl[]
93a17b20 3492 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3493EXTCONST char PL_no_wrongref[]
a0d0e21e 3494 INIT("Can't use %s ref as %s ref");
22c35a8c 3495EXTCONST char PL_no_symref[]
748a9306 3496 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3497EXTCONST char PL_no_symref_sv[]
014ead4b 3498 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3499EXTCONST char PL_no_usym[]
8990e307 3500 INIT("Can't use an undefined value as %s reference");
22c35a8c 3501EXTCONST char PL_no_aelem[]
93a17b20 3502 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3503EXTCONST char PL_no_helem_sv[]
3504 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3505EXTCONST char PL_no_modify[]
93a17b20 3506 INIT("Modification of a read-only value attempted");
22c35a8c 3507EXTCONST char PL_no_mem[]
93a17b20 3508 INIT("Out of memory!\n");
22c35a8c 3509EXTCONST char PL_no_security[]
463ee0b2 3510 INIT("Insecure dependency in %s%s");
22c35a8c 3511EXTCONST char PL_no_sock_func[]
93a17b20 3512 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3513EXTCONST char PL_no_dir_func[]
93a17b20 3514 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3515EXTCONST char PL_no_func[]
93a17b20 3516 INIT("The %s function is unimplemented");
22c35a8c 3517EXTCONST char PL_no_myglob[]
748a9306 3518 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3519EXTCONST char PL_no_localize_ref[]
3520 INIT("Can't localize through a reference");
27d5b266
JH
3521#ifdef PERL_MALLOC_WRAP
3522EXTCONST char PL_memory_wrap[]
3523 INIT("panic: memory wrap");
3524#endif
93a17b20 3525
7575fa06 3526EXTCONST char PL_uuemap[65]
80252599
GS
3527 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3528
3529
79072805 3530#ifdef DOINIT
27da23d5
JH
3531EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3532EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3533#else
27da23d5
JH
3534EXTCONST char* const PL_sig_name[];
3535EXTCONST int PL_sig_num[];
79072805
LW
3536#endif
3537
3bd709b1 3538/* fast conversion and case folding tables */
bbce6d69 3539
79072805 3540#ifdef DOINIT
9d116dd7 3541#ifdef EBCDIC
27da23d5 3542EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3543 0, 1, 2, 3, 4, 5, 6, 7,
3544 8, 9, 10, 11, 12, 13, 14, 15,
3545 16, 17, 18, 19, 20, 21, 22, 23,
3546 24, 25, 26, 27, 28, 29, 30, 31,
3547 32, 33, 34, 35, 36, 37, 38, 39,
3548 40, 41, 42, 43, 44, 45, 46, 47,
3549 48, 49, 50, 51, 52, 53, 54, 55,
3550 56, 57, 58, 59, 60, 61, 62, 63,
3551 64, 65, 66, 67, 68, 69, 70, 71,
3552 72, 73, 74, 75, 76, 77, 78, 79,
3553 80, 81, 82, 83, 84, 85, 86, 87,
3554 88, 89, 90, 91, 92, 93, 94, 95,
3555 96, 97, 98, 99, 100, 101, 102, 103,
3556 104, 105, 106, 107, 108, 109, 110, 111,
3557 112, 113, 114, 115, 116, 117, 118, 119,
3558 120, 121, 122, 123, 124, 125, 126, 127,
3559 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3560 'H', 'I', 138, 139, 140, 141, 142, 143,
3561 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3562 'Q', 'R', 154, 155, 156, 157, 158, 159,
3563 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3564 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3565 176, 177, 178, 179, 180, 181, 182, 183,
3566 184, 185, 186, 187, 188, 189, 190, 191,
3567 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3568 'h', 'i', 202, 203, 204, 205, 206, 207,
3569 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3570 'q', 'r', 218, 219, 220, 221, 222, 223,
3571 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3572 'y', 'z', 234, 235, 236, 237, 238, 239,
3573 240, 241, 242, 243, 244, 245, 246, 247,
3574 248, 249, 250, 251, 252, 253, 254, 255
3575};
3576#else /* ascii rather than ebcdic */
22c35a8c 3577EXTCONST unsigned char PL_fold[] = {
79072805
LW
3578 0, 1, 2, 3, 4, 5, 6, 7,
3579 8, 9, 10, 11, 12, 13, 14, 15,
3580 16, 17, 18, 19, 20, 21, 22, 23,
3581 24, 25, 26, 27, 28, 29, 30, 31,
3582 32, 33, 34, 35, 36, 37, 38, 39,
3583 40, 41, 42, 43, 44, 45, 46, 47,
3584 48, 49, 50, 51, 52, 53, 54, 55,
3585 56, 57, 58, 59, 60, 61, 62, 63,
3586 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3587 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3588 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3589 'x', 'y', 'z', 91, 92, 93, 94, 95,
3590 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3591 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3592 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3593 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3594 128, 129, 130, 131, 132, 133, 134, 135,
3595 136, 137, 138, 139, 140, 141, 142, 143,
3596 144, 145, 146, 147, 148, 149, 150, 151,
3597 152, 153, 154, 155, 156, 157, 158, 159,
3598 160, 161, 162, 163, 164, 165, 166, 167,
3599 168, 169, 170, 171, 172, 173, 174, 175,
3600 176, 177, 178, 179, 180, 181, 182, 183,
3601 184, 185, 186, 187, 188, 189, 190, 191,
3602 192, 193, 194, 195, 196, 197, 198, 199,
3603 200, 201, 202, 203, 204, 205, 206, 207,
3604 208, 209, 210, 211, 212, 213, 214, 215,
3605 216, 217, 218, 219, 220, 221, 222, 223,
3606 224, 225, 226, 227, 228, 229, 230, 231,
3607 232, 233, 234, 235, 236, 237, 238, 239,
3608 240, 241, 242, 243, 244, 245, 246, 247,
3609 248, 249, 250, 251, 252, 253, 254, 255
3610};
9d116dd7 3611#endif /* !EBCDIC */
79072805 3612#else
22c35a8c 3613EXTCONST unsigned char PL_fold[];
79072805
LW
3614#endif
3615
27da23d5 3616#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3617#ifdef DOINIT
27da23d5 3618EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3619 0, 1, 2, 3, 4, 5, 6, 7,
3620 8, 9, 10, 11, 12, 13, 14, 15,
3621 16, 17, 18, 19, 20, 21, 22, 23,
3622 24, 25, 26, 27, 28, 29, 30, 31,
3623 32, 33, 34, 35, 36, 37, 38, 39,
3624 40, 41, 42, 43, 44, 45, 46, 47,
3625 48, 49, 50, 51, 52, 53, 54, 55,
3626 56, 57, 58, 59, 60, 61, 62, 63,
3627 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3628 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3629 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3630 'x', 'y', 'z', 91, 92, 93, 94, 95,
3631 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3632 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3633 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3634 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3635 128, 129, 130, 131, 132, 133, 134, 135,
3636 136, 137, 138, 139, 140, 141, 142, 143,
3637 144, 145, 146, 147, 148, 149, 150, 151,
3638 152, 153, 154, 155, 156, 157, 158, 159,
3639 160, 161, 162, 163, 164, 165, 166, 167,
3640 168, 169, 170, 171, 172, 173, 174, 175,
3641 176, 177, 178, 179, 180, 181, 182, 183,
3642 184, 185, 186, 187, 188, 189, 190, 191,
3643 192, 193, 194, 195, 196, 197, 198, 199,
3644 200, 201, 202, 203, 204, 205, 206, 207,
3645 208, 209, 210, 211, 212, 213, 214, 215,
3646 216, 217, 218, 219, 220, 221, 222, 223,
3647 224, 225, 226, 227, 228, 229, 230, 231,
3648 232, 233, 234, 235, 236, 237, 238, 239,
3649 240, 241, 242, 243, 244, 245, 246, 247,
3650 248, 249, 250, 251, 252, 253, 254, 255
3651};
3652#else
27da23d5 3653EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3654#endif
27da23d5 3655#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3656
3657#ifdef DOINIT
9d116dd7 3658#ifdef EBCDIC
27da23d5 3659EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3660 1, 2, 84, 151, 154, 155, 156, 157,
3661 165, 246, 250, 3, 158, 7, 18, 29,
3662 40, 51, 62, 73, 85, 96, 107, 118,
3663 129, 140, 147, 148, 149, 150, 152, 153,
3664 255, 6, 8, 9, 10, 11, 12, 13,
3665 14, 15, 24, 25, 26, 27, 28, 226,
3666 29, 30, 31, 32, 33, 43, 44, 45,
3667 46, 47, 48, 49, 50, 76, 77, 78,
3668 79, 80, 81, 82, 83, 84, 85, 86,
3669 87, 94, 95, 234, 181, 233, 187, 190,
3670 180, 96, 97, 98, 99, 100, 101, 102,
3671 104, 112, 182, 174, 236, 232, 229, 103,
3672 228, 226, 114, 115, 116, 117, 118, 119,
3673 120, 121, 122, 235, 176, 230, 194, 162,
3674 130, 131, 132, 133, 134, 135, 136, 137,
3675 138, 139, 201, 205, 163, 217, 220, 224,
3676 5, 248, 227, 244, 242, 255, 241, 231,
3677 240, 253, 16, 197, 19, 20, 21, 187,
3678 23, 169, 210, 245, 237, 249, 247, 239,
3679 168, 252, 34, 196, 36, 37, 38, 39,
3680 41, 42, 251, 254, 238, 223, 221, 213,
3681 225, 177, 52, 53, 54, 55, 56, 57,
3682 58, 59, 60, 61, 63, 64, 65, 66,
3683 67, 68, 69, 70, 71, 72, 74, 75,
3684 205, 208, 186, 202, 200, 218, 198, 179,
3685 178, 214, 88, 89, 90, 91, 92, 93,
3686 217, 166, 170, 207, 199, 209, 206, 204,
3687 160, 212, 105, 106, 108, 109, 110, 111,
3688 203, 113, 216, 215, 192, 175, 193, 243,
3689 172, 161, 123, 124, 125, 126, 127, 128,
3690 222, 219, 211, 195, 188, 193, 185, 184,
3691 191, 183, 141, 142, 143, 144, 145, 146
3692};
3693#else /* ascii rather than ebcdic */
22c35a8c 3694EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3695 1, 2, 84, 151, 154, 155, 156, 157,
3696 165, 246, 250, 3, 158, 7, 18, 29,
3697 40, 51, 62, 73, 85, 96, 107, 118,
3698 129, 140, 147, 148, 149, 150, 152, 153,
3699 255, 182, 224, 205, 174, 176, 180, 217,
3700 233, 232, 236, 187, 235, 228, 234, 226,
3701 222, 219, 211, 195, 188, 193, 185, 184,
3702 191, 183, 201, 229, 181, 220, 194, 162,
3703 163, 208, 186, 202, 200, 218, 198, 179,
3704 178, 214, 166, 170, 207, 199, 209, 206,
3705 204, 160, 212, 216, 215, 192, 175, 173,
3706 243, 172, 161, 190, 203, 189, 164, 230,
3707 167, 248, 227, 244, 242, 255, 241, 231,
3708 240, 253, 169, 210, 245, 237, 249, 247,
3709 239, 168, 252, 251, 254, 238, 223, 221,
3710 213, 225, 177, 197, 171, 196, 159, 4,
3711 5, 6, 8, 9, 10, 11, 12, 13,
3712 14, 15, 16, 17, 19, 20, 21, 22,
3713 23, 24, 25, 26, 27, 28, 30, 31,
3714 32, 33, 34, 35, 36, 37, 38, 39,
3715 41, 42, 43, 44, 45, 46, 47, 48,
3716 49, 50, 52, 53, 54, 55, 56, 57,
3717 58, 59, 60, 61, 63, 64, 65, 66,
3718 67, 68, 69, 70, 71, 72, 74, 75,
3719 76, 77, 78, 79, 80, 81, 82, 83,
3720 86, 87, 88, 89, 90, 91, 92, 93,
3721 94, 95, 97, 98, 99, 100, 101, 102,
3722 103, 104, 105, 106, 108, 109, 110, 111,
3723 112, 113, 114, 115, 116, 117, 119, 120,
3724 121, 122, 123, 124, 125, 126, 127, 128,
3725 130, 131, 132, 133, 134, 135, 136, 137,
3726 138, 139, 141, 142, 143, 144, 145, 146
3727};
9d116dd7 3728#endif
79072805 3729#else
22c35a8c 3730EXTCONST unsigned char PL_freq[];
79072805
LW
3731#endif
3732
8990e307
LW
3733#ifdef DEBUGGING
3734#ifdef DOINIT
27da23d5 3735EXTCONST char* const PL_block_type[] = {
8990e307
LW
3736 "NULL",
3737 "SUB",
3738 "EVAL",
3739 "LOOP",
3740 "SUBST",
3741 "BLOCK",
3742};
3743#else
22c35a8c 3744EXTCONST char* PL_block_type[];
8990e307
LW
3745#endif
3746#endif
3747
73c4f7a1
GS
3748END_EXTERN_C
3749
79072805
LW
3750/*****************************************************************************/
3751/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3752/*****************************************************************************/
8990e307 3753/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3754
d4c3c482 3755#ifdef __Lynx__
9cffb111
OS
3756/* LynxOS defines these in scsi.h which is included via ioctl.h */
3757#ifdef FORMAT
3758#undef FORMAT
3759#endif
3760#ifdef SPACE
3761#undef SPACE
3762#endif
d4c3c482 3763#endif
9cffb111 3764
1fd33325
MHM
3765/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3766 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3767 * it's not really needed.
3768 */
3769#if defined(WIN32)
3770# define YYTOKENTYPE
3771#endif
a0d0e21e
LW
3772#include "perly.h"
3773
fb73857a
PP
3774#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3775
79072805
LW
3776typedef enum {
3777 XOPERATOR,
3778 XTERM,
79072805 3779 XREF,
8990e307 3780 XSTATE,
a0d0e21e 3781 XBLOCK,
09bef843
SB
3782 XATTRBLOCK,
3783 XATTRTERM,
6f33ba73
RGS
3784 XTERMBLOCK,
3785 XTERMORDORDOR /* evil hack */
27308ded 3786 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3787} expectation;
3788
dc9e4912
GS
3789enum { /* pass one of these to get_vtbl */
3790 want_vtbl_sv,
3791 want_vtbl_env,
3792 want_vtbl_envelem,
3793 want_vtbl_sig,
3794 want_vtbl_sigelem,
3795 want_vtbl_pack,
3796 want_vtbl_packelem,
3797 want_vtbl_dbline,
3798 want_vtbl_isa,
3799 want_vtbl_isaelem,
3800 want_vtbl_arylen,
3801 want_vtbl_glob,
3802 want_vtbl_mglob,
3803 want_vtbl_nkeys,
3804 want_vtbl_taint,
3805 want_vtbl_substr,
3806 want_vtbl_vec,
3807 want_vtbl_pos,
3808 want_vtbl_bm,
3809 want_vtbl_fm,
3810 want_vtbl_uvar,
3811 want_vtbl_defelem,
3812 want_vtbl_regexp,
3813 want_vtbl_collxfrm,
3814 want_vtbl_amagic,
3815 want_vtbl_amagicelem,
dc9e4912 3816 want_vtbl_regdata,
810b8aa5 3817 want_vtbl_regdatum,
7e8c5dac 3818 want_vtbl_backref,
8d2f4536 3819 want_vtbl_utf8,
83bf042f
NC
3820 want_vtbl_symtab,
3821 want_vtbl_arylen_p
dc9e4912
GS
3822};
3823
85e6fe83
LW
3824 /* Note: the lowest 8 bits are reserved for
3825 stuffing into op->op_private */
f3aa04c2 3826#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3827#define HINT_INTEGER 0x00000001 /* integer pragma */
3828#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3829#define HINT_LOCALE 0x00000004 /* locale pragma */
3830