This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Clarify definition of octal literals
[perl5.git] / perl.h
CommitLineData
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
47a51902
SB
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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JH
35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH
43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
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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/*
6239f2da
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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)
af28e889
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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193#if defined(SYMBIAN) && defined(__GNUC__)
194# undef __attribute__
195# undef __attribute__(_arg_)
196# define HASATTRIBUTE
197#endif
198
44dbb695 199#ifdef HASATTRIBUTE
94b00aa4 200# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
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201# define PERL_UNUSED_DECL
202# else
203# define PERL_UNUSED_DECL __attribute__((unused))
204# endif
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205#else
206# define PERL_UNUSED_DECL
207#endif
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208
209#if defined(SYMBIAN) && defined(__GNUC__)
210# undef __attribute__
211# undef __attribute__(_arg_)
212# define HASATTRIBUTE
213#endif
44dbb695 214
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215/* gcc -Wall:
216 * for silencing unused variables that are actually used most of the time,
217 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
218 */
a3b680e6 219#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 220
0cb96387 221#define NOOP (void)0
44dbb695 222#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 223
0cb96387
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224#ifndef pTHX
225# define pTHX void
226# define pTHX_
0cb96387
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227# define aTHX
228# define aTHX_
0cb96387
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229# define dTHXa(a) dNOOP
230# define dTHX dNOOP
894356b3
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231# define pTHX_1 1
232# define pTHX_2 2
233# define pTHX_3 3
234# define pTHX_4 4
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235# define pTHX_5 5
236# define pTHX_6 6
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237# define pTHX_7 7
238# define pTHX_8 8
239# define pTHX_9 9
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240#endif
241
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242#ifndef dVAR
243# define dVAR dNOOP
244#endif
245
b4f7f263
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246/* these are only defined for compatibility; should not be used internally */
247#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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248# define pTHXo pTHX
249# define pTHXo_ pTHX_
0cb96387
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250# define aTHXo aTHX
251# define aTHXo_ aTHX_
c5be433b 252# define dTHXo dTHX
71d280e3 253# define dTHXoa(x) dTHXa(x)
0cb96387
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254#endif
255
256#ifndef pTHXx
257# define pTHXx register PerlInterpreter *my_perl
258# define pTHXx_ pTHXx,
0cb96387
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259# define aTHXx my_perl
260# define aTHXx_ aTHXx,
c5be433b 261# define dTHXx dTHX
22c35a8c 262#endif
71be2cbc 263
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264/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
265 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
266 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
267#ifdef PERL_IMPLICIT_SYS
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268# ifdef PERL_GLOBAL_STRUCT_PRIVATE
269# define dTHXs dVAR; dTHX
270# else
271# define dTHXs dTHX
272# endif
1de7c2ac 273#else
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274# ifdef PERL_GLOBAL_STRUCT_PRIVATE
275# define dTHXs dVAR
276# else
277# define dTHXs dNOOP
278# endif
1de7c2ac
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279#endif
280
326b05e3
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281#undef START_EXTERN_C
282#undef END_EXTERN_C
283#undef EXTERN_C
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284#ifdef __cplusplus
285# define START_EXTERN_C extern "C" {
286# define END_EXTERN_C }
287# define EXTERN_C extern "C"
288#else
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289# define START_EXTERN_C
290# define END_EXTERN_C
73c4f7a1 291# define EXTERN_C extern
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292#endif
293
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294/* Some platforms require marking function declarations
295 * for them to be exportable. Used in perlio.h, proto.h
296 * is handled either by the makedef.pl or by defining the
297 * PERL_CALLCONV to be something special. See also the
298 * definition of XS() in XSUB.h. */
299#ifndef PERL_EXPORT_C
300# define PERL_EXPORT_C extern
301#endif
302#ifndef PERL_XS_EXPORT_C
303# define PERL_XS_EXPORT_C
304#endif
305
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306#ifdef OP_IN_REGISTER
307# ifdef __GNUC__
308# define stringify_immed(s) #s
309# define stringify(s) stringify_immed(s)
d1ca3daa 310register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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311# endif
312#endif
313
5dc8bdac 314#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
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315# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
316# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
317# endif
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318#endif
319
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320/*
321 * STMT_START { statements; } STMT_END;
322 * can be used as a single statement, as in
323 * if (x) STMT_START { ... } STMT_END; else ...
324 *
325 * Trying to select a version that gives no warnings...
326 */
327#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 328# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803
PP
329# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
330# define STMT_END )
331# else
332 /* Now which other defined()s do we need here ??? */
93189314 333# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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334# define STMT_START if (1)
335# define STMT_END else (void)0
336# else
337# define STMT_START do
338# define STMT_END while (0)
339# endif
340# endif
341#endif
342
0cb96387 343#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 344#define WITH_THR(s) WITH_THX(s)
ea0efc06 345
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PP
346/*
347 * SOFT_CAST can be used for args to prototyped functions to retain some
348 * type checking; it only casts if the compiler does not know prototypes.
349 */
350#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
351#define SOFT_CAST(type)
352#else
353#define SOFT_CAST(type) (type)
354#endif
79072805 355
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JH
356#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
357# define BYTEORDER 0x1234
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358#endif
359
360/* Overall memory policy? */
361#ifndef CONSERVATIVE
362# define LIBERAL 1
363#endif
364
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365#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
366#define ASCIIish
367#else
368#undef ASCIIish
369#endif
370
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371/*
372 * The following contortions are brought to you on behalf of all the
373 * standards, semi-standards, de facto standards, not-so-de-facto standards
374 * of the world, as well as all the other botches anyone ever thought of.
375 * The basic theory is that if we work hard enough here, the rest of the
376 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
377 */
ac58e20f 378
ee0007ab 379/* define this once if either system, instead of cluttering up the src */
2986a63f 380#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
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381#define DOSISH 1
382#endif
383
27da23d5 384#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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385# define STANDARD_C 1
386#endif
387
a03dbf46 388#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
389# define DONT_DECLARE_STD 1
390#endif
391
352d5a3a 392#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 393# ifdef __cplusplus
cb69f87a 394# define VOL /* to temporarily suppress warnings */
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395# else
396# define VOL volatile
397# endif
663a0e37 398#else
79072805 399# define VOL
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400#endif
401
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NIS
402#define TAINT (PL_tainted = TRUE)
403#define TAINT_NOT (PL_tainted = FALSE)
404#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
405#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 406#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 407
d460ef45 408/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
409 defines move there? If so, I could simplify this a lot. --AD 9/96.
410*/
411/* Process group stuff changed from traditional BSD to POSIX.
412 perlfunc.pod documents the traditional BSD-style syntax, so we'll
413 try to preserve that, if possible.
414*/
415#ifdef HAS_SETPGID
416# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 417#else
a6e633de
PP
418# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
419# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
420# else
421# ifdef HAS_SETPGRP2 /* DG/UX */
422# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
423# endif
424# endif
425#endif
426#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
427# define HAS_SETPGRP /* Well, effectively it does . . . */
428#endif
429
430/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
431 our life easier :-) so we'll try it.
432*/
433#ifdef HAS_GETPGID
434# define BSD_GETPGRP(pid) getpgid((pid))
435#else
436# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
437# define BSD_GETPGRP(pid) getpgrp((pid))
438# else
439# ifdef HAS_GETPGRP2 /* DG/UX */
440# define BSD_GETPGRP(pid) getpgrp2((pid))
441# endif
442# endif
443#endif
444#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
445# define HAS_GETPGRP /* Well, effectively it does . . . */
446#endif
447
d460ef45 448/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
449 have different behaviors, but perl.h used to define USE_BSDPGRP
450 (prior to 5.003_05) so some extension might depend on it.
451*/
452#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
453# ifndef USE_BSDPGRP
454# define USE_BSDPGRP
455# endif
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456#endif
457
8ac5a1fe
MH
458/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
459 pthread.h must be included before all other header files.
460*/
3db8f154 461#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
462# include <pthread.h>
463#endif
464
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LW
465#ifndef _TYPES_ /* If types.h defines this it's easy. */
466# ifndef major /* Does everyone's types.h define this? */
467# include <sys/types.h>
c07a80fd 468# endif
663a0e37
LW
469#endif
470
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471#ifdef __cplusplus
472# ifndef I_STDARG
473# define I_STDARG 1
474# endif
475#endif
476
477#ifdef I_STDARG
478# include <stdarg.h>
479#else
480# ifdef I_VARARGS
481# include <varargs.h>
482# endif
483#endif
484
4633a7c4 485#ifdef USE_NEXT_CTYPE
0c30d9ec 486
092bebab
JH
487#if NX_CURRENT_COMPILER_RELEASE >= 500
488# include <bsd/ctypes.h>
489#else
490# if NX_CURRENT_COMPILER_RELEASE >= 400
491# include <objc/NXCType.h>
492# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
493# include <appkit/NXCType.h>
494# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
495#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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PP
496
497#else /* !USE_NEXT_CTYPE */
fe14fcc3 498#include <ctype.h>
0c30d9ec 499#endif /* USE_NEXT_CTYPE */
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500
501#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
502#undef METHOD
a0d0e21e
LW
503#endif
504
12ae5dfc
JH
505#ifdef PERL_MICRO
506# define NO_LOCALE
507#endif
508
4633a7c4 509#ifdef I_LOCALE
36477c24 510# include <locale.h>
4633a7c4
LW
511#endif
512
36477c24
PP
513#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
514# define USE_LOCALE
515# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
516 && defined(HAS_STRXFRM)
517# define USE_LOCALE_COLLATE
518# endif
519# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
520# define USE_LOCALE_CTYPE
521# endif
522# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
523# define USE_LOCALE_NUMERIC
524# endif
525#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 526
fe14fcc3 527#include <setjmp.h>
79072805 528
a0d0e21e 529#ifdef I_SYS_PARAM
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530# ifdef PARAM_NEEDS_TYPES
531# include <sys/types.h>
532# endif
533# include <sys/param.h>
352d5a3a 534#endif
79072805 535
79072805 536/* Use all the "standard" definitions? */
a0d0e21e 537#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 538# include <stdlib.h>
ff68c719 539#endif
03a14243 540
3f270f98
JH
541/* If this causes problems, set i_unistd=undef in the hint file. */
542#ifdef I_UNISTD
543# include <unistd.h>
544#endif
545
27da23d5
JH
546#ifdef SYMBIAN
547# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
548#endif
549
7114a2d2 550#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
551int syscall(int, ...);
552#endif
553
7114a2d2 554#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 555int usleep(unsigned int);
2ef53570
JH
556#endif
557
9a34ef1d
GS
558#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
559# define MYSWAP
560#endif
561
1109a392
MHM
562#ifdef PERL_CORE
563
564/* macros for correct constant construction */
565# if INTSIZE >= 2
566# define U16_CONST(x) ((U16)x##U)
567# else
568# define U16_CONST(x) ((U16)x##UL)
569# endif
570
571# if INTSIZE >= 4
572# define U32_CONST(x) ((U32)x##U)
573# else
574# define U32_CONST(x) ((U32)x##UL)
575# endif
576
577# ifdef HAS_QUAD
578# if INTSIZE >= 8
579# define U64_CONST(x) ((U64)x##U)
580# elif LONGSIZE >= 8
581# define U64_CONST(x) ((U64)x##UL)
582# elif QUADKIND == QUAD_IS_LONG_LONG
583# define U64_CONST(x) ((U64)x##ULL)
584# else /* best guess we can make */
585# define U64_CONST(x) ((U64)x##UL)
586# endif
587# endif
588
589/* byte-swapping functions for big-/little-endian conversion */
590# define _swab_16_(x) ((U16)( \
591 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
592 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
593
594# define _swab_32_(x) ((U32)( \
595 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
596 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
597 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
598 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
599
600# ifdef HAS_QUAD
601# define _swab_64_(x) ((U64)( \
602 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
603 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
604 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
605 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
606 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
607 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
608 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
609 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
610# endif
611
612/*----------------------------------------------------------------------------*/
613# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
614/*----------------------------------------------------------------------------*/
615# define my_htole16(x) (x)
616# define my_letoh16(x) (x)
617# define my_htole32(x) (x)
618# define my_letoh32(x) (x)
619# define my_htobe16(x) _swab_16_(x)
620# define my_betoh16(x) _swab_16_(x)
621# define my_htobe32(x) _swab_32_(x)
622# define my_betoh32(x) _swab_32_(x)
623# ifdef HAS_QUAD
624# define my_htole64(x) (x)
625# define my_letoh64(x) (x)
626# define my_htobe64(x) _swab_64_(x)
627# define my_betoh64(x) _swab_64_(x)
628# endif
629# define my_htoles(x) (x)
630# define my_letohs(x) (x)
631# define my_htolei(x) (x)
632# define my_letohi(x) (x)
633# define my_htolel(x) (x)
634# define my_letohl(x) (x)
635# if SHORTSIZE == 1
636# define my_htobes(x) (x)
637# define my_betohs(x) (x)
638# elif SHORTSIZE == 2
639# define my_htobes(x) _swab_16_(x)
640# define my_betohs(x) _swab_16_(x)
641# elif SHORTSIZE == 4
642# define my_htobes(x) _swab_32_(x)
643# define my_betohs(x) _swab_32_(x)
644# elif SHORTSIZE == 8
645# define my_htobes(x) _swab_64_(x)
646# define my_betohs(x) _swab_64_(x)
647# else
648# define PERL_NEED_MY_HTOBES
649# define PERL_NEED_MY_BETOHS
650# endif
651# if INTSIZE == 1
652# define my_htobei(x) (x)
653# define my_betohi(x) (x)
654# elif INTSIZE == 2
655# define my_htobei(x) _swab_16_(x)
656# define my_betohi(x) _swab_16_(x)
657# elif INTSIZE == 4
658# define my_htobei(x) _swab_32_(x)
659# define my_betohi(x) _swab_32_(x)
660# elif INTSIZE == 8
661# define my_htobei(x) _swab_64_(x)
662# define my_betohi(x) _swab_64_(x)
663# else
664# define PERL_NEED_MY_HTOBEI
665# define PERL_NEED_MY_BETOHI
666# endif
667# if LONGSIZE == 1
668# define my_htobel(x) (x)
669# define my_betohl(x) (x)
670# elif LONGSIZE == 2
671# define my_htobel(x) _swab_16_(x)
672# define my_betohl(x) _swab_16_(x)
673# elif LONGSIZE == 4
674# define my_htobel(x) _swab_32_(x)
675# define my_betohl(x) _swab_32_(x)
676# elif LONGSIZE == 8
677# define my_htobel(x) _swab_64_(x)
678# define my_betohl(x) _swab_64_(x)
679# else
680# define PERL_NEED_MY_HTOBEL
681# define PERL_NEED_MY_BETOHL
682# endif
683# define my_htolen(p,n) NOOP
684# define my_letohn(p,n) NOOP
685# define my_htoben(p,n) my_swabn(p,n)
686# define my_betohn(p,n) my_swabn(p,n)
687/*----------------------------------------------------------------------------*/
688# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
689/*----------------------------------------------------------------------------*/
690# define my_htobe16(x) (x)
691# define my_betoh16(x) (x)
692# define my_htobe32(x) (x)
693# define my_betoh32(x) (x)
694# define my_htole16(x) _swab_16_(x)
695# define my_letoh16(x) _swab_16_(x)
696# define my_htole32(x) _swab_32_(x)
697# define my_letoh32(x) _swab_32_(x)
698# ifdef HAS_QUAD
699# define my_htobe64(x) (x)
700# define my_betoh64(x) (x)
701# define my_htole64(x) _swab_64_(x)
702# define my_letoh64(x) _swab_64_(x)
703# endif
704# define my_htobes(x) (x)
705# define my_betohs(x) (x)
706# define my_htobei(x) (x)
707# define my_betohi(x) (x)
708# define my_htobel(x) (x)
709# define my_betohl(x) (x)
710# if SHORTSIZE == 1
711# define my_htoles(x) (x)
712# define my_letohs(x) (x)
713# elif SHORTSIZE == 2
714# define my_htoles(x) _swab_16_(x)
715# define my_letohs(x) _swab_16_(x)
716# elif SHORTSIZE == 4
717# define my_htoles(x) _swab_32_(x)
718# define my_letohs(x) _swab_32_(x)
719# elif SHORTSIZE == 8
720# define my_htoles(x) _swab_64_(x)
721# define my_letohs(x) _swab_64_(x)
722# else
723# define PERL_NEED_MY_HTOLES
724# define PERL_NEED_MY_LETOHS
725# endif
726# if INTSIZE == 1
727# define my_htolei(x) (x)
728# define my_letohi(x) (x)
729# elif INTSIZE == 2
730# define my_htolei(x) _swab_16_(x)
731# define my_letohi(x) _swab_16_(x)
732# elif INTSIZE == 4
733# define my_htolei(x) _swab_32_(x)
734# define my_letohi(x) _swab_32_(x)
735# elif INTSIZE == 8
736# define my_htolei(x) _swab_64_(x)
737# define my_letohi(x) _swab_64_(x)
738# else
739# define PERL_NEED_MY_HTOLEI
740# define PERL_NEED_MY_LETOHI
741# endif
742# if LONGSIZE == 1
743# define my_htolel(x) (x)
744# define my_letohl(x) (x)
745# elif LONGSIZE == 2
746# define my_htolel(x) _swab_16_(x)
747# define my_letohl(x) _swab_16_(x)
748# elif LONGSIZE == 4
749# define my_htolel(x) _swab_32_(x)
750# define my_letohl(x) _swab_32_(x)
751# elif LONGSIZE == 8
752# define my_htolel(x) _swab_64_(x)
753# define my_letohl(x) _swab_64_(x)
754# else
755# define PERL_NEED_MY_HTOLEL
756# define PERL_NEED_MY_LETOHL
757# endif
758# define my_htolen(p,n) my_swabn(p,n)
759# define my_letohn(p,n) my_swabn(p,n)
760# define my_htoben(p,n) NOOP
761# define my_betohn(p,n) NOOP
762/*----------------------------------------------------------------------------*/
763# else /* all other byte-orders */
764/*----------------------------------------------------------------------------*/
765# define PERL_NEED_MY_HTOLE16
766# define PERL_NEED_MY_LETOH16
767# define PERL_NEED_MY_HTOBE16
768# define PERL_NEED_MY_BETOH16
769# define PERL_NEED_MY_HTOLE32
770# define PERL_NEED_MY_LETOH32
771# define PERL_NEED_MY_HTOBE32
772# define PERL_NEED_MY_BETOH32
773# ifdef HAS_QUAD
774# define PERL_NEED_MY_HTOLE64
775# define PERL_NEED_MY_LETOH64
776# define PERL_NEED_MY_HTOBE64
777# define PERL_NEED_MY_BETOH64
778# endif
779# define PERL_NEED_MY_HTOLES
780# define PERL_NEED_MY_LETOHS
781# define PERL_NEED_MY_HTOBES
782# define PERL_NEED_MY_BETOHS
783# define PERL_NEED_MY_HTOLEI
784# define PERL_NEED_MY_LETOHI
785# define PERL_NEED_MY_HTOBEI
786# define PERL_NEED_MY_BETOHI
787# define PERL_NEED_MY_HTOLEL
788# define PERL_NEED_MY_LETOHL
789# define PERL_NEED_MY_HTOBEL
790# define PERL_NEED_MY_BETOHL
791/*----------------------------------------------------------------------------*/
792# endif /* end of byte-order macros */
793/*----------------------------------------------------------------------------*/
794
9c17f24a
NC
795/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
796 at least on FreeBSD. YMMV, so experiment. */
797#ifndef PERL_ARENA_SIZE
798#define PERL_ARENA_SIZE 4080
799#endif
800
1109a392
MHM
801#endif /* PERL_CORE */
802
66a93824
NIS
803/* Cannot include embed.h here on Win32 as win32.h has not
804 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
805 */
96e176bf 806#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
807# include "embed.h"
808#endif
809
c31fac66
GS
810#define MEM_SIZE Size_t
811
51371543
GS
812#if defined(STANDARD_C) && defined(I_STDDEF)
813# include <stddef.h>
814# define STRUCT_OFFSET(s,m) offsetof(s,m)
815#else
816# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
817#endif
818
27da23d5
JH
819#ifndef SYMBIAN
820# if defined(I_STRING) || defined(__cplusplus)
821# include <string.h>
822# else
823# include <strings.h>
824# endif
51371543
GS
825#endif
826
55497cff
PP
827/* This comes after <stdlib.h> so we don't try to change the standard
828 * library prototypes; we'll use our own in proto.h instead. */
03a14243 829
4633a7c4 830#ifdef MYMALLOC
86058a2d 831# ifdef PERL_POLLUTE_MALLOC
ee13e175 832# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
833# define Perl_malloc malloc
834# define Perl_calloc calloc
835# define Perl_realloc realloc
836# define Perl_mfree free
ee13e175 837# endif
86058a2d
GS
838# else
839# define EMBEDMYMALLOC /* for compatibility */
840# endif
827e134a 841
651b9576
GS
842# define safemalloc Perl_malloc
843# define safecalloc Perl_calloc
844# define saferealloc Perl_realloc
845# define safefree Perl_mfree
22f7c9c9
JH
846# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
847 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
848 code; \
849 } STMT_END
850# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
851 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
852# define panic_write2(s) write(2, s, strlen(s))
853# define CHECK_MALLOC_TAINT(newval) \
854 CHECK_MALLOC_TOO_LATE_FOR_( \
855 if (newval) { \
856 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
857 exit(1); })
22f7c9c9 858# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 859 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
860 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
861 }} STMT_END;
f2517201
GS
862#else /* MYMALLOC */
863# define safemalloc safesysmalloc
864# define safecalloc safesyscalloc
865# define saferealloc safesysrealloc
866# define safefree safesysfree
22f7c9c9
JH
867# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
868# define CHECK_MALLOC_TAINT(newval) ((void)0)
869# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 870#endif /* MYMALLOC */
4633a7c4 871
27da23d5 872#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
873#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
874#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
875#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
876
a0d0e21e
LW
877#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
878#define strchr index
879#define strrchr rindex
880#endif
881
16d20bd9
AD
882#ifdef I_MEMORY
883# include <memory.h>
884#endif
885
fe14fcc3 886#ifdef HAS_MEMCPY
85e6fe83 887# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 888# ifndef memcpy
20ce7b12 889 extern char * memcpy (char*, char*, int);
ee0007ab
LW
890# endif
891# endif
892#else
893# ifndef memcpy
894# ifdef HAS_BCOPY
895# define memcpy(d,s,l) bcopy(s,d,l)
896# else
897# define memcpy(d,s,l) my_bcopy(s,d,l)
898# endif
899# endif
900#endif /* HAS_MEMCPY */
fe14fcc3 901
ee0007ab 902#ifdef HAS_MEMSET
85e6fe83 903# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 904# ifndef memset
20ce7b12 905 extern char *memset (char*, int, int);
ee0007ab
LW
906# endif
907# endif
ee0007ab 908#else
12ae5dfc 909# undef memset
fc36a67e 910# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
911#endif /* HAS_MEMSET */
912
85e6fe83 913#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 914# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
915# define memmove(d,s,l) bcopy(s,d,l)
916# else
2304df62 917# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 918# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 919# else
79072805 920# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 921# endif
352d5a3a 922# endif
d9d8d8de 923#endif
ee0007ab 924
36477c24
PP
925#if defined(mips) && defined(ultrix) && !defined(__STDC__)
926# undef HAS_MEMCMP
927#endif
928
929#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 930# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 931# ifndef memcmp
20ce7b12 932 extern int memcmp (char*, char*, int);
ee0007ab
LW
933# endif
934# endif
36477c24 935# ifdef BUGGY_MSC
7e4e8c89 936# pragma function(memcmp)
36477c24 937# endif
ee0007ab
LW
938#else
939# ifndef memcmp
ecfc5424 940# define memcmp my_memcmp
352d5a3a 941# endif
36477c24 942#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 943
fc36a67e 944#ifndef memzero
c635e13b
PP
945# ifdef HAS_MEMSET
946# define memzero(d,l) memset(d,0,l)
79072805 947# else
c635e13b
PP
948# ifdef HAS_BZERO
949# define memzero(d,l) bzero(d,l)
79072805 950# else
fc36a67e 951# define memzero(d,l) my_bzero(d,l)
79072805
LW
952# endif
953# endif
d9d8d8de 954#endif
378cc40b 955
2f42fcb0 956#ifndef PERL_MICRO
0f27ced1
JH
957#ifndef memchr
958# ifndef HAS_MEMCHR
959# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
960# endif
961#endif
2f42fcb0 962#endif
0f27ced1 963
36477c24
PP
964#ifndef HAS_BCMP
965# ifndef bcmp
966# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 967# endif
36477c24 968#endif /* !HAS_BCMP */
378cc40b 969
ae986130 970#ifdef I_NETINET_IN
79072805 971# include <netinet/in.h>
ae986130
LW
972#endif
973
28e8609d
JH
974#ifdef I_ARPA_INET
975# include <arpa/inet.h>
976#endif
977
84902520
TB
978#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
979/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
980 * (the neo-BSD seem to do this). */
981# undef SF_APPEND
982#endif
983
1aef975c 984#ifdef I_SYS_STAT
84902520 985# include <sys/stat.h>
1aef975c 986#endif
79072805 987
a0d0e21e
LW
988/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
989 like UTekV) are broken, sometimes giving false positives. Undefine
990 them here and let the code below set them to proper values.
991
992 The ghs macro stands for GreenHills Software C-1.8.5 which
993 is the C compiler for sysV88 and the various derivatives.
994 This header file bug is corrected in gcc-2.5.8 and later versions.
995 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
996
997#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
998# undef S_ISDIR
999# undef S_ISCHR
1000# undef S_ISBLK
1001# undef S_ISREG
1002# undef S_ISFIFO
1003# undef S_ISLNK
ee0007ab 1004#endif
135863df 1005
663a0e37
LW
1006#ifdef I_TIME
1007# include <time.h>
ffed7fef 1008#endif
663a0e37 1009
fe14fcc3 1010#ifdef I_SYS_TIME
85e6fe83 1011# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1012# define KERNEL
1013# endif
1014# include <sys/time.h>
85e6fe83 1015# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1016# undef KERNEL
1017# endif
a687059c 1018#endif
135863df 1019
55497cff 1020#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1021# include <sys/times.h>
d9d8d8de 1022#endif
8d063cd8 1023
fe14fcc3 1024#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1025# undef HAS_STRERROR
663a0e37
LW
1026#endif
1027
1028#include <errno.h>
1e743fda 1029
acfe0abc 1030#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1031# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1032#endif
1033
8cfab5ff
JH
1034/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1035 * This is important for using IPv6.
1036 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1037 * a bad idea since it breaks send() and recv(). */
1038#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1039# define _SOCKADDR_LEN
1040#endif
1041
8d3f517a 1042#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1043# include <sys/socket.h>
1044# if defined(USE_SOCKS) && defined(I_SOCKS)
1045# if !defined(INCLUDE_PROTOTYPES)
1046# define INCLUDE_PROTOTYPES /* for <socks.h> */
1047# define PERL_SOCKS_NEED_PROTOTYPES
1048# endif
1049# include <socks.h>
1050# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1051# undef INCLUDE_PROTOTYPES
1052# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1053# endif
d460ef45 1054# endif
1e743fda 1055# ifdef I_NETDB
2986a63f
JH
1056# ifdef NETWARE
1057# include<stdio.h>
1058# endif
1e743fda
JH
1059# include <netdb.h>
1060# endif
1061# ifndef ENOTSOCK
1062# ifdef I_NET_ERRNO
1063# include <net/errno.h>
1064# endif
1065# endif
1066#endif
1067
fa0a29af 1068/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1069 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1070 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1071#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1072# if defined(__THROW) && defined(__GLIBC__)
1073int sockatmark(int) __THROW;
1074# else
2ef53570 1075int sockatmark(int);
29820b6d 1076# endif
2ef53570
JH
1077#endif
1078
1e743fda
JH
1079#ifdef SETERRNO
1080# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1081#endif
f86702cc
PP
1082
1083#ifdef VMS
1084# define SETERRNO(errcode,vmserrcode) \
1085 STMT_START { \
1086 set_errno(errcode); \
1087 set_vaxc_errno(vmserrcode); \
1088 } STMT_END
93189314
JH
1089# define LIB_INVARG LIB$_INVARG
1090# define RMS_DIR RMS$_DIR
1091# define RMS_FAC RMS$_FAC
1092# define RMS_FEX RMS$_FEX
1093# define RMS_FNF RMS$_FNF
1094# define RMS_IFI RMS$_IFI
1095# define RMS_ISI RMS$_ISI
1096# define RMS_PRV RMS$_PRV
1097# define SS_ACCVIO SS$_ACCVIO
1098# define SS_DEVOFFLINE SS$_DEVOFFLINE
1099# define SS_IVCHAN SS$_IVCHAN
1100# define SS_NORMAL SS$_NORMAL
748a9306 1101#else
aba27d88 1102# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1103# define LIB_INVARG 0
1104# define RMS_DIR 0
1105# define RMS_FAC 0
1106# define RMS_FEX 0
1107# define RMS_FNF 0
1108# define RMS_IFI 0
1109# define RMS_ISI 0
1110# define RMS_PRV 0
1111# define SS_ACCVIO 0
1112# define SS_DEVOFFLINE 0
1113# define SS_IVCHAN 0
1114# define SS_NORMAL 0
748a9306 1115#endif
ed6116ce 1116
3db8f154
MB
1117#define ERRSV GvSV(PL_errgv)
1118#define DEFSV GvSV(PL_defgv)
1119#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1120
98eae8f5
GS
1121#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1122
55497cff 1123#ifndef errno
5ff3f7a4
GS
1124 extern int errno; /* ANSI allows errno to be an lvalue expr.
1125 * For example in multithreaded environments
1126 * something like this might happen:
1127 * extern int *_errno(void);
1128 * #define errno (*_errno()) */
d9d8d8de 1129#endif
663a0e37 1130
2304df62 1131#ifdef HAS_STRERROR
a0d0e21e 1132# ifdef VMS
20ce7b12 1133 char *strerror (int,...);
a0d0e21e 1134# else
68dc0745 1135#ifndef DONT_DECLARE_STD
20ce7b12 1136 char *strerror (int);
68dc0745 1137#endif
a0d0e21e 1138# endif
2304df62
AD
1139# ifndef Strerror
1140# define Strerror strerror
1141# endif
1142#else
1143# ifdef HAS_SYS_ERRLIST
79072805
LW
1144 extern int sys_nerr;
1145 extern char *sys_errlist[];
2304df62
AD
1146# ifndef Strerror
1147# define Strerror(e) \
79072805 1148 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1149# endif
79072805 1150# endif
35c8bce7 1151#endif
663a0e37 1152
2304df62 1153#ifdef I_SYS_IOCTL
79072805
LW
1154# ifndef _IOCTL_
1155# include <sys/ioctl.h>
1156# endif
a687059c
LW
1157#endif
1158
ee0007ab 1159#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1160# ifdef HAS_SOCKETPAIR
1161# undef HAS_SOCKETPAIR
1162# endif
2304df62
AD
1163# ifdef I_NDBM
1164# undef I_NDBM
79072805 1165# endif
a687059c
LW
1166#endif
1167
02fc2eee
NC
1168#ifndef HAS_SOCKETPAIR
1169# ifdef HAS_SOCKET
1170# define socketpair Perl_my_socketpair
1171# endif
1172#endif
1173
a687059c 1174#if INTSIZE == 2
79072805
LW
1175# define htoni htons
1176# define ntohi ntohs
a687059c 1177#else
79072805
LW
1178# define htoni htonl
1179# define ntohi ntohl
a687059c
LW
1180#endif
1181
a0d0e21e 1182/* Configure already sets Direntry_t */
35c8bce7 1183#if defined(I_DIRENT)
663a0e37 1184# include <dirent.h>
8f1f23e8
W
1185 /* NeXT needs dirent + sys/dir.h */
1186# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1187# include <sys/dir.h>
1188# endif
ae986130 1189#else
fe14fcc3 1190# ifdef I_SYS_NDIR
79a0689e 1191# include <sys/ndir.h>
663a0e37 1192# else
fe14fcc3 1193# ifdef I_SYS_DIR
79a0689e
LW
1194# ifdef hp9000s500
1195# include <ndir.h> /* may be wrong in the future */
1196# else
1197# include <sys/dir.h>
1198# endif
663a0e37
LW
1199# endif
1200# endif
4633a7c4 1201#endif
a687059c 1202
12ae5dfc
JH
1203#ifdef PERL_MICRO
1204# ifndef DIR
1205# define DIR void
1206# endif
1207#endif
1208
352d5a3a
LW
1209#ifdef FPUTS_BOTCH
1210/* work around botch in SunOS 4.0.1 and 4.0.2 */
1211# ifndef fputs
79072805 1212# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1213# endif
1214#endif
1215
c623bd54
LW
1216/*
1217 * The following gobbledygook brought to you on behalf of __STDC__.
1218 * (I could just use #ifndef __STDC__, but this is more bulletproof
1219 * in the face of half-implementations.)
1220 */
1221
7114a2d2 1222#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1223#include <sys/mode.h>
1224#endif
1225
c623bd54
LW
1226#ifndef S_IFMT
1227# ifdef _S_IFMT
1228# define S_IFMT _S_IFMT
1229# else
1230# define S_IFMT 0170000
1231# endif
1232#endif
1233
1234#ifndef S_ISDIR
1235# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1236#endif
1237
1238#ifndef S_ISCHR
1239# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1240#endif
1241
1242#ifndef S_ISBLK
fe14fcc3
LW
1243# ifdef S_IFBLK
1244# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1245# else
1246# define S_ISBLK(m) (0)
1247# endif
c623bd54
LW
1248#endif
1249
1250#ifndef S_ISREG
1251# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1252#endif
1253
1254#ifndef S_ISFIFO
fe14fcc3
LW
1255# ifdef S_IFIFO
1256# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1257# else
1258# define S_ISFIFO(m) (0)
1259# endif
c623bd54
LW
1260#endif
1261
1262#ifndef S_ISLNK
1263# ifdef _S_ISLNK
1264# define S_ISLNK(m) _S_ISLNK(m)
1265# else
1266# ifdef _S_IFLNK
1267# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1268# else
1269# ifdef S_IFLNK
1270# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1271# else
1272# define S_ISLNK(m) (0)
1273# endif
1274# endif
1275# endif
1276#endif
1277
1278#ifndef S_ISSOCK
1279# ifdef _S_ISSOCK
1280# define S_ISSOCK(m) _S_ISSOCK(m)
1281# else
1282# ifdef _S_IFSOCK
1283# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1284# else
1285# ifdef S_IFSOCK
1286# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1287# else
1288# define S_ISSOCK(m) (0)
1289# endif
1290# endif
1291# endif
1292#endif
1293
1294#ifndef S_IRUSR
1295# ifdef S_IREAD
1296# define S_IRUSR S_IREAD
1297# define S_IWUSR S_IWRITE
1298# define S_IXUSR S_IEXEC
1299# else
1300# define S_IRUSR 0400
1301# define S_IWUSR 0200
1302# define S_IXUSR 0100
1303# endif
fac7cdfc 1304#endif
1305
1306#ifndef S_IRGRP
1307# ifdef S_IRUSR
1308# define S_IRGRP (S_IRUSR>>3)
1309# define S_IWGRP (S_IWUSR>>3)
1310# define S_IXGRP (S_IXUSR>>3)
1311# else
1312# define S_IRGRP 0040
1313# define S_IWGRP 0020
1314# define S_IXGRP 0010
1315# endif
1316#endif
1317
1318#ifndef S_IROTH
1319# ifdef S_IRUSR
1320# define S_IROTH (S_IRUSR>>6)
1321# define S_IWOTH (S_IWUSR>>6)
1322# define S_IXOTH (S_IXUSR>>6)
1323# else
1324# define S_IROTH 0040
1325# define S_IWOTH 0020
1326# define S_IXOTH 0010
1327# endif
c623bd54
LW
1328#endif
1329
1330#ifndef S_ISUID
1331# define S_ISUID 04000
1332#endif
1333
1334#ifndef S_ISGID
1335# define S_ISGID 02000
1336#endif
1337
ca6e1c26
JH
1338#ifndef S_IRWXU
1339# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1340#endif
ca6e1c26
JH
1341
1342#ifndef S_IRWXG
1343# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1344#endif
ca6e1c26
JH
1345
1346#ifndef S_IRWXO
1347# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1348#endif
ca6e1c26 1349
c21fb2b8
JH
1350/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1351 * which would get included through <sys/file.h >, but that is 3000
1352 * lines in the future. --jhi */
1353
1354#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1355# define S_IREAD S_IRUSR
1356#endif
1357
c21fb2b8 1358#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1359# define S_IWRITE S_IWUSR
1360#endif
1361
1362#ifndef S_IEXEC
1363# define S_IEXEC S_IXUSR
1364#endif
1365
79072805
LW
1366#ifdef ff_next
1367# undef ff_next
352d5a3a
LW
1368#endif
1369
a0d0e21e 1370#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1371# define SLOPPYDIVIDE
1372#endif
1373
748a9306
LW
1374#ifdef UV
1375#undef UV
1376#endif
1377
c89df6bf
JH
1378#ifdef SPRINTF_E_BUG
1379# define sprintf UTS_sprintf_wrap
1380#endif
1381
c495e728
JH
1382/* Configure gets this right but the UTS compiler gets it wrong.
1383 -- Hal Morris <hom00@utsglobal.com> */
1384#ifdef UTS
1385# undef UVTYPE
1386# define UVTYPE unsigned
1387#endif
1388
05f13f53 1389/*
27d4fb96
PP
1390 The IV type is supposed to be long enough to hold any integral
1391 value or a pointer.
1392 --Andy Dougherty August 1996
1393*/
1394
a22e52b9
JH
1395typedef IVTYPE IV;
1396typedef UVTYPE UV;
8175356b 1397
10cc9d2a 1398#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1399# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1400# define IV_MAX INT64_MAX
1401# define IV_MIN INT64_MIN
1402# define UV_MAX UINT64_MAX
cae7ae48
JH
1403# ifndef UINT64_MIN
1404# define UINT64_MIN 0
1405# endif
5ff3f7a4
GS
1406# define UV_MIN UINT64_MIN
1407# else
1408# define IV_MAX PERL_QUAD_MAX
1409# define IV_MIN PERL_QUAD_MIN
1410# define UV_MAX PERL_UQUAD_MAX
1411# define UV_MIN PERL_UQUAD_MIN
1412# endif
cf2093f6
JH
1413# define IV_IS_QUAD
1414# define UV_IS_QUAD
79072805 1415#else
8175356b 1416# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1417# define IV_MAX INT32_MAX
1418# define IV_MIN INT32_MIN
716026f9
DL
1419# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1420# define UV_MAX UINT32_MAX
1421# else
1422# define UV_MAX 4294967295U
1423# endif
cae7ae48
JH
1424# ifndef UINT32_MIN
1425# define UINT32_MIN 0
1426# endif
5ff3f7a4
GS
1427# define UV_MIN UINT32_MIN
1428# else
1429# define IV_MAX PERL_LONG_MAX
1430# define IV_MIN PERL_LONG_MIN
1431# define UV_MAX PERL_ULONG_MAX
1432# define UV_MIN PERL_ULONG_MIN
1433# endif
8175356b 1434# if IVSIZE == 8
cf2093f6
JH
1435# define IV_IS_QUAD
1436# define UV_IS_QUAD
de1c2614
JH
1437# ifndef HAS_QUAD
1438# define HAS_QUAD
1439# endif
cf2093f6
JH
1440# else
1441# undef IV_IS_QUAD
1442# undef UV_IS_QUAD
de1c2614 1443# undef HAS_QUAD
cf2093f6 1444# endif
79072805 1445#endif
d7d93a81 1446
1109a392
MHM
1447#ifndef HAS_QUAD
1448# undef PERL_NEED_MY_HTOLE64
1449# undef PERL_NEED_MY_LETOH64
1450# undef PERL_NEED_MY_HTOBE64
1451# undef PERL_NEED_MY_BETOH64
1452#endif
1453
6cde8aec 1454#if defined(uts) || defined(UTS)
11afe549
HM
1455# undef UV_MAX
1456# define UV_MAX (4294967295u)
20601011
JH
1457#endif
1458
cae7ae48 1459#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1460#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1461
28e5dec8 1462#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1463#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1464#endif
1465
d460ef45 1466/*
26bb67e2
JH
1467 * The macros INT2PTR and NUM2PTR are (despite their names)
1468 * bi-directional: they will convert int/float to or from pointers.
1469 * However the conversion to int/float are named explicitly:
1470 * PTR2IV, PTR2UV, PTR2NV.
1471 *
1472 * For int conversions we do not need two casts if pointers are
1473 * the same size as IV and UV. Otherwise we need an explicit
1474 * cast (PTRV) to avoid compiler warnings.
1475 */
56431972
RB
1476#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1477# define PTRV UV
1478# define INT2PTR(any,d) (any)(d)
1479#else
d460ef45 1480# if PTRSIZE == LONGSIZE
56431972 1481# define PTRV unsigned long
42718184 1482# else
56431972 1483# define PTRV unsigned
42718184 1484# endif
56431972 1485# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1486#endif
56431972
RB
1487#define NUM2PTR(any,d) (any)(PTRV)(d)
1488#define PTR2IV(p) INT2PTR(IV,p)
1489#define PTR2UV(p) INT2PTR(UV,p)
1490#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1491#if PTRSIZE == LONGSIZE
d2560b70
RB
1492# define PTR2ul(p) (unsigned long)(p)
1493#else
1494# define PTR2ul(p) INT2PTR(unsigned long,p)
1495#endif
d460ef45 1496
65202027 1497#ifdef USE_LONG_DOUBLE
1048ea30
JH
1498# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1499# define LONG_DOUBLE_EQUALS_DOUBLE
1500# endif
68d4903c 1501# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1502# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1503# endif
1504#endif
1505
2d4389e4
JH
1506#ifdef OVR_DBL_DIG
1507/* Use an overridden DBL_DIG */
1508# ifdef DBL_DIG
1509# undef DBL_DIG
1510# endif
1511# define DBL_DIG OVR_DBL_DIG
1512#else
1513/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1514 default value for printing floating point numbers in Gconvert
1515 (see config.h). (It also has other uses, such as figuring out if
1516 a given precision of printing can be done with a double instead of
1517 a long double - Allen).
2d4389e4
JH
1518*/
1519#ifdef I_LIMITS
1520#include <limits.h>
1521#endif
1522#ifdef I_FLOAT
1523#include <float.h>
1524#endif
1525#ifndef HAS_DBL_DIG
1526#define DBL_DIG 15 /* A guess that works lots of places */
1527#endif
1528#endif
cbca01e1
JH
1529#ifdef I_FLOAT
1530#include <float.h>
1531#endif
1532#ifndef HAS_DBL_DIG
1533#define DBL_DIG 15 /* A guess that works lots of places */
1534#endif
2d4389e4
JH
1535
1536#ifdef OVR_LDBL_DIG
1537/* Use an overridden LDBL_DIG */
1538# ifdef LDBL_DIG
1539# undef LDBL_DIG
1540# endif
1541# define LDBL_DIG OVR_LDBL_DIG
1542#else
1543/* The following is all to get LDBL_DIG, in order to pick a nice
1544 default value for printing floating point numbers in Gconvert.
1545 (see config.h)
1546*/
68d4903c
JH
1547# ifdef I_LIMITS
1548# include <limits.h>
1549# endif
1550# ifdef I_FLOAT
1551# include <float.h>
1552# endif
1553# ifndef HAS_LDBL_DIG
1554# if LONG_DOUBLESIZE == 10
1555# define LDBL_DIG 18 /* assume IEEE */
1556# else
1557# if LONG_DOUBLESIZE == 12
1558# define LDBL_DIG 18 /* gcc? */
1559# else
1560# if LONG_DOUBLESIZE == 16
1561# define LDBL_DIG 33 /* assume IEEE */
1562# else
1563# if LONG_DOUBLESIZE == DOUBLESIZE
1564# define LDBL_DIG DBL_DIG /* bummer */
1565# endif
1566# endif
1567# endif
1568# endif
1569# endif
2d4389e4
JH
1570#endif
1571
20f6aaab
AS
1572/*
1573 * This is for making sure we have a good DBL_MAX value, if possible,
1574 * either for usage as NV_MAX or for usage in figuring out if we can
1575 * fit a given long double into a double, if bug-fixing makes it
1576 * necessary to do so. - Allen <allens@cpan.org>
1577 */
1578
205f51d8
AS
1579#ifdef I_LIMITS
1580# include <limits.h>
20f6aaab
AS
1581#endif
1582
205f51d8
AS
1583#ifdef I_VALUES
1584# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1585# include <values.h>
1586# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1587# define DBL_MAX MAXDOUBLE
1588# endif
1589# if defined(MINDOUBLE) && !defined(DBL_MIN)
1590# define DBL_MIN MINDOUBLE
1591# endif
1592# endif
1593#endif /* defined(I_VALUES) */
1594
a22e52b9 1595typedef NVTYPE NV;
8175356b 1596
792d8dab
JH
1597#ifdef I_IEEEFP
1598# include <ieeefp.h>
1599#endif
923fc586 1600
65202027 1601#ifdef USE_LONG_DOUBLE
923fc586
JH
1602# ifdef I_SUNMATH
1603# include <sunmath.h>
1604# endif
2d4389e4 1605# define NV_DIG LDBL_DIG
d6c14000
JH
1606# ifdef LDBL_MANT_DIG
1607# define NV_MANT_DIG LDBL_MANT_DIG
1608# endif
06fc1729
JH
1609# ifdef LDBL_MIN
1610# define NV_MIN LDBL_MIN
1611# endif
1612# ifdef LDBL_MAX
1613# define NV_MAX LDBL_MAX
1614# endif
1615# ifdef LDBL_MIN_10_EXP
1616# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1617# endif
1618# ifdef LDBL_MAX_10_EXP
1619# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1620# endif
1621# ifdef LDBL_EPSILON
1622# define NV_EPSILON LDBL_EPSILON
1623# endif
f4a14a62
JH
1624# ifdef LDBL_MAX
1625# define NV_MAX LDBL_MAX
20f6aaab 1626/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1627# else
1628# ifdef HUGE_VALL
1629# define NV_MAX HUGE_VALL
1630# else
1631# ifdef HUGE_VAL
1632# define NV_MAX ((NV)HUGE_VAL)
1633# endif
1634# endif
1635# endif
68d4903c 1636# ifdef HAS_SQRTL
68d4903c
JH
1637# define Perl_cos cosl
1638# define Perl_sin sinl
1639# define Perl_sqrt sqrtl
1640# define Perl_exp expl
1641# define Perl_log logl
1642# define Perl_atan2 atan2l
1643# define Perl_pow powl
1644# define Perl_floor floorl
1bbae031 1645# define Perl_ceil ceill
68d4903c
JH
1646# define Perl_fmod fmodl
1647# endif
a3540c92
JH
1648/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1649# ifdef HAS_MODFL
1650# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1651/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1652 prototype in <math.h> */
1653# ifndef HAS_MODFL_PROTO
a221a8a5 1654EXTERN_C long double modfl(long double, long double *);
51997bc3 1655# endif
03476e8e
JH
1656# else
1657# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1658 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1659# define Perl_modf(x,y) Perl_my_modfl(x,y)
1660# endif
a3540c92
JH
1661# endif
1662# ifdef HAS_FREXPL
dff3e0b8 1663# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1664# else
1665# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1666 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1667# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1668# endif
a3540c92 1669# endif
38dbb4c5 1670# ifndef Perl_isnan
758a5d79
JH
1671# ifdef HAS_ISNANL
1672# define Perl_isnan(x) isnanl(x)
1673# endif
1674# endif
1675# ifndef Perl_isinf
1676# ifdef HAS_FINITEL
1677# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1678# endif
1679# endif
65202027 1680#else
2d4389e4 1681# define NV_DIG DBL_DIG
d6c14000
JH
1682# ifdef DBL_MANT_DIG
1683# define NV_MANT_DIG DBL_MANT_DIG
1684# endif
06fc1729
JH
1685# ifdef DBL_MIN
1686# define NV_MIN DBL_MIN
1687# endif
1688# ifdef DBL_MAX
1689# define NV_MAX DBL_MAX
1690# endif
1691# ifdef DBL_MIN_10_EXP
1692# define NV_MIN_10_EXP DBL_MIN_10_EXP
1693# endif
1694# ifdef DBL_MAX_10_EXP
1695# define NV_MAX_10_EXP DBL_MAX_10_EXP
1696# endif
1697# ifdef DBL_EPSILON
1698# define NV_EPSILON DBL_EPSILON
1699# endif
205f51d8 1700# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1701# define NV_MAX DBL_MAX
1702# define NV_MIN DBL_MIN
1703# else
1704# ifdef HUGE_VAL
1705# define NV_MAX HUGE_VAL
1706# endif
1707# endif
65202027
DS
1708# define Perl_cos cos
1709# define Perl_sin sin
1710# define Perl_sqrt sqrt
1711# define Perl_exp exp
1712# define Perl_log log
1713# define Perl_atan2 atan2
1714# define Perl_pow pow
1715# define Perl_floor floor
1bbae031 1716# define Perl_ceil ceil
65202027 1717# define Perl_fmod fmod
a3540c92 1718# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1719# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1720#endif
1721
1722/* rumor has it that Win32 has _fpclass() */
1723
205f51d8
AS
1724/* SGI has fpclassl... but not with the same result values,
1725 * and it's via a typedef (not via #define), so will need to redo Configure
1726 * to use. Not worth the trouble, IMO, at least until the below is used
1727 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1728 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1729 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1730
758a5d79
JH
1731#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1732# ifdef I_IEEFP
1733# include <ieeefp.h>
1734# endif
1735# ifdef I_FP
1736# include <fp.h>
1737# endif
1738# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1739# define Perl_fp_class() fpclassl(x)
1740# else
1741# define Perl_fp_class() fpclass(x)
1742# endif
1743# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1744# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1745# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1746# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1747# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1748# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1749# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1750# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1751# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1752# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1753# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1754# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1755# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1756# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1757# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1758#endif
1759
7114a2d2 1760#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1761# include <math.h>
1762# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1763# include <fp_class.h>
1764# endif
1765# define Perl_fp_class(x) fp_class(x)
1766# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1767# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1768# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1769# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1770# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1771# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1772# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1773# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1774# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1775# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1776# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1777# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1778# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1779# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1780# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1781#endif
1782
1783#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1784# include <math.h>
1785# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1786# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1787# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1788# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1789# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1790# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1791#endif
1792
1793#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1794# include <math.h>
1795# ifndef _cplusplus
1796# define Perl_fp_class(x) class(x)
1797# else
1798# define Perl_fp_class(x) _class(x)
1799# endif
1800# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1801# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1802# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1803# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1804# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1805# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1806# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1807# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1808# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1809# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1810# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1811# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1812# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1813# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1814# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1815#endif
1816
1817/* rumor has it that Win32 has _isnan() */
1818
1819#ifndef Perl_isnan
a3540c92 1820# ifdef HAS_ISNAN
758a5d79
JH
1821# define Perl_isnan(x) isnan((NV)x)
1822# else
1823# ifdef Perl_fp_class_nan
1824# define Perl_isnan(x) Perl_fp_class_nan(x)
1825# else
1826# ifdef HAS_UNORDERED
1827# define Perl_isnan(x) unordered((x), 0.0)
1828# else
1829# define Perl_isnan(x) ((x)!=(x))
1830# endif
1831# endif
1832# endif
1833#endif
1834
ca6c63e1
JH
1835#ifdef UNDER_CE
1836int isnan(double d);
1837#endif
1838
758a5d79
JH
1839#ifndef Perl_isinf
1840# ifdef HAS_ISINF
1841# define Perl_isinf(x) isinf((NV)x)
a3540c92 1842# else
758a5d79
JH
1843# ifdef Perl_fp_class_inf
1844# define Perl_isinf(x) Perl_fp_class_inf(x)
1845# else
1846# define Perl_isinf(x) ((x)==NV_INF)
1847# endif
1848# endif
1849#endif
1850
1851#ifndef Perl_isfinite
1852# ifdef HAS_FINITE
1853# define Perl_isfinite(x) finite((NV)x)
1854# else
1855# ifdef HAS_ISFINITE
1856# define Perl_isfinite(x) isfinite(x)
1857# else
1858# ifdef Perl_fp_class_finite
1859# define Perl_isfinite(x) Perl_fp_class_finite(x)
1860# else
1861# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1862# endif
1863# endif
a3540c92 1864# endif
65202027
DS
1865#endif
1866
a36244b7
JH
1867/* The default is to use Perl's own atof() implementation (in numeric.c).
1868 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1869 * it is however best to use the native implementation of atof.
1870 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1871 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1872 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1873 * you may need to be using a different function than atof! */
a36244b7
JH
1874
1875#ifndef USE_PERL_ATOF
1876# ifndef _UNICOS
1877# define USE_PERL_ATOF
1878# endif
1879#else
1880# if USE_PERL_ATOF == 0
1881# undef USE_PERL_ATOF
1882# endif
1883#endif
1884
1885#ifdef USE_PERL_ATOF
1886# define Perl_atof(s) Perl_my_atof(s)
1887# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1888#else
1889# define Perl_atof(s) (NV)atof(s)
1890# define Perl_atof2(s, n) ((n) = atof(s))
1891#endif
cf2093f6 1892
d460ef45 1893/* Previously these definitions used hardcoded figures.
760ac839
LW
1894 * It is hoped these formula are more portable, although
1895 * no data one way or another is presently known to me.
1896 * The "PERL_" names are used because these calculated constants
1897 * do not meet the ANSI requirements for LONG_MAX, etc., which
1898 * need to be constants acceptable to #if - kja
1899 * define PERL_LONG_MAX 2147483647L
1900 * define PERL_LONG_MIN (-LONG_MAX - 1)
1901 * define PERL ULONG_MAX 4294967295L
1902 */
1903
1904#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1905# include <limits.h>
760ac839 1906#endif
205f51d8
AS
1907/* Included values.h above if necessary; still including limits.h down here,
1908 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1909
99abf803
PP
1910/*
1911 * Try to figure out max and min values for the integral types. THE CORRECT
1912 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1913 * following hacks are used if neither limits.h or values.h provide them:
1914 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1915 * for types < int: (unsigned TYPE)~(unsigned)0
1916 * The argument to ~ must be unsigned so that later signed->unsigned
1917 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1918 * and it must not be smaller than int because ~ does integral promotion.
1919 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1920 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1921 * The latter is a hack which happens to work on some machines but
1922 * does *not* catch any random system, or things like integer types
1923 * with NaN if that is possible.
1924 *
1925 * All of the types are explicitly cast to prevent accidental loss of
1926 * numeric range, and in the hope that they will be less likely to confuse
1927 * over-eager optimizers.
1928 *
1929 */
27d4fb96 1930
99abf803
PP
1931#define PERL_UCHAR_MIN ((unsigned char)0)
1932
1933#ifdef UCHAR_MAX
1934# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1935#else
99abf803
PP
1936# ifdef MAXUCHAR
1937# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1938# else
99abf803 1939# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1940# endif
1941#endif
d460ef45 1942
99abf803
PP
1943/*
1944 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1945 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1946 * depending on local options. Until Configure detects this (or at least
1947 * detects whether the "signed" keyword is available) the CHAR ranges
1948 * will not be included. UCHAR functions normally.
1949 * - kja
1950 */
27d4fb96 1951
99abf803
PP
1952#define PERL_USHORT_MIN ((unsigned short)0)
1953
1954#ifdef USHORT_MAX
1955# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1956#else
99abf803
PP
1957# ifdef MAXUSHORT
1958# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1959# else
ef2f54b0
CB
1960# ifdef USHRT_MAX
1961# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1962# else
1963# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1964# endif
27d4fb96
PP
1965# endif
1966#endif
1967
27d4fb96 1968#ifdef SHORT_MAX
99abf803 1969# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1970#else
1971# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1972# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1973# else
ef2f54b0
CB
1974# ifdef SHRT_MAX
1975# define PERL_SHORT_MAX ((short)SHRT_MAX)
1976# else
1977# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1978# endif
27d4fb96
PP
1979# endif
1980#endif
1981
1982#ifdef SHORT_MIN
99abf803 1983# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1984#else
1985# ifdef MINSHORT
99abf803 1986# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1987# else
ef2f54b0
CB
1988# ifdef SHRT_MIN
1989# define PERL_SHORT_MIN ((short)SHRT_MIN)
1990# else
1991# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1992# endif
27d4fb96
PP
1993# endif
1994#endif
1995
99abf803
PP
1996#ifdef UINT_MAX
1997# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1998#else
99abf803
PP
1999# ifdef MAXUINT
2000# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2001# else
99abf803 2002# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2003# endif
2004#endif
2005
99abf803 2006#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2007
2008#ifdef INT_MAX
99abf803 2009# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2010#else
2011# ifdef MAXINT /* Often used in <values.h> */
99abf803 2012# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2013# else
99abf803 2014# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2015# endif
2016#endif
2017
2018#ifdef INT_MIN
99abf803 2019# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2020#else
2021# ifdef MININT
99abf803 2022# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2023# else
2024# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2025# endif
2026#endif
2027
99abf803
PP
2028#ifdef ULONG_MAX
2029# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2030#else
99abf803
PP
2031# ifdef MAXULONG
2032# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2033# else
99abf803 2034# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2035# endif
2036#endif
2037
99abf803 2038#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2039
760ac839 2040#ifdef LONG_MAX
99abf803 2041# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2042#else
2043# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2044# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2045# else
99abf803 2046# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2047# endif
2048#endif
2049
2050#ifdef LONG_MIN
99abf803 2051# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2052#else
2053# ifdef MINLONG
99abf803 2054# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2055# else
27d4fb96 2056# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2057# endif
2058#endif
2059
d7d93a81 2060#ifdef UV_IS_QUAD
99abf803 2061
99abf803 2062# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2063# define PERL_UQUAD_MIN ((UV)0)
99abf803 2064# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2065# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2066
79072805
LW
2067#endif
2068
22f7c9c9
JH
2069#ifdef MYMALLOC
2070# include "malloc_ctl.h"
2071#endif
2072
830247a4 2073struct RExC_state_t;
880b20b6 2074
ee0007ab 2075typedef MEM_SIZE STRLEN;
450a55e4 2076
79072805
LW
2077typedef struct op OP;
2078typedef struct cop COP;
2079typedef struct unop UNOP;
2080typedef struct binop BINOP;
2081typedef struct listop LISTOP;
2082typedef struct logop LOGOP;
79072805
LW
2083typedef struct pmop PMOP;
2084typedef struct svop SVOP;
7934575e 2085typedef struct padop PADOP;
79072805 2086typedef struct pvop PVOP;
79072805
LW
2087typedef struct loop LOOP;
2088
93a17b20 2089typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2090
2091/* Amdahl's <ksync.h> has struct sv */
2092/* SGI's <sys/sema.h> has struct sv */
2093#if defined(UTS) || defined(__sgi)
2094# define STRUCT_SV perl_sv
b8d3c5db
JH
2095#else
2096# define STRUCT_SV sv
2097#endif
2098typedef struct STRUCT_SV SV;
79072805
LW
2099typedef struct av AV;
2100typedef struct hv HV;
2101typedef struct cv CV;
378cc40b 2102typedef struct regexp REGEXP;
79072805 2103typedef struct gp GP;
0c30d9ec 2104typedef struct gv GV;
8990e307 2105typedef struct io IO;
c09156bb 2106typedef struct context PERL_CONTEXT;
79072805
LW
2107typedef struct block BLOCK;
2108
2109typedef struct magic MAGIC;
ed6116ce 2110typedef struct xrv XRV;
79072805
LW
2111typedef struct xpv XPV;
2112typedef struct xpviv XPVIV;
ff68c719 2113typedef struct xpvuv XPVUV;
79072805
LW
2114typedef struct xpvnv XPVNV;
2115typedef struct xpvmg XPVMG;
2116typedef struct xpvlv XPVLV;
2117typedef struct xpvav XPVAV;
2118typedef struct xpvhv XPVHV;
2119typedef struct xpvgv XPVGV;
2120typedef struct xpvcv XPVCV;
2121typedef struct xpvbm XPVBM;
2122typedef struct xpvfm XPVFM;
8990e307 2123typedef struct xpvio XPVIO;
79072805
LW
2124typedef struct mgvtbl MGVTBL;
2125typedef union any ANY;
5f7fde29
GS
2126typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2127typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2128typedef struct clone_params CLONE_PARAMS;
2129
378cc40b 2130#include "handy.h"
a0d0e21e 2131
6b8eaf93 2132#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2133# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2134# define USE_64_BIT_RAWIO /* implicit */
2135# endif
4564133c
JH
2136#endif
2137
6b8eaf93
JH
2138/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2139 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2140 * however, because operating systems like to do that themself. */
2141#ifndef FSEEKSIZE
2142# ifdef HAS_FSEEKO
2143# define FSEEKSIZE LSEEKSIZE
2144# else
2145# define FSEEKSIZE LONGSIZE
d460ef45 2146# endif
6b8eaf93
JH
2147#endif
2148
2149#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2150# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2151# define USE_64_BIT_STDIO /* implicit */
2152# endif
2153#endif
4564133c 2154
09458382 2155#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2156# ifdef HAS_OFF64_T
2157# undef Off_t
2158# define Off_t off64_t
2159# undef LSEEKSIZE
2160# define LSEEKSIZE 8
5ff3f7a4 2161# endif
d9b3e12d
JH
2162/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2163 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2164 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2165# if defined(USE_OPEN64)
2166# define open open64
5ff3f7a4 2167# endif
d9b3e12d
JH
2168# if defined(USE_LSEEK64)
2169# define lseek lseek64
6b8eaf93
JH
2170# else
2171# if defined(USE_LLSEEK)
2172# define lseek llseek
2173# endif
d9b3e12d
JH
2174# endif
2175# if defined(USE_STAT64)
2176# define stat stat64
2177# endif
2178# if defined(USE_FSTAT64)
2179# define fstat fstat64
2180# endif
2181# if defined(USE_LSTAT64)
2182# define lstat lstat64
2183# endif
2184# if defined(USE_FLOCK64)
2185# define flock flock64
2186# endif
2187# if defined(USE_LOCKF64)
2188# define lockf lockf64
2189# endif
2190# if defined(USE_FCNTL64)
2191# define fcntl fcntl64
2192# endif
2193# if defined(USE_TRUNCATE64)
2194# define truncate truncate64
2195# endif
2196# if defined(USE_FTRUNCATE64)
2197# define ftruncate ftruncate64
2198# endif
2199#endif
2200
2201#ifdef USE_64_BIT_STDIO
2202# ifdef HAS_FPOS64_T
2203# undef Fpos_t
2204# define Fpos_t fpos64_t
2205# endif
2206/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2207 * will trigger defines like the ones below. Some 64-bit environments,
2208 * however, do not. */
2209# if defined(USE_FOPEN64)
2210# define fopen fopen64
2211# endif
2212# if defined(USE_FSEEK64)
6b8eaf93 2213# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2214# endif
2215# if defined(USE_FTELL64)
6b8eaf93 2216# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2217# endif
2218# if defined(USE_FSETPOS64)
2219# define fsetpos fsetpos64
2220# endif
2221# if defined(USE_FGETPOS64)
2222# define fgetpos fgetpos64
2223# endif
2224# if defined(USE_TMPFILE64)
2225# define tmpfile tmpfile64
2226# endif
2227# if defined(USE_FREOPEN64)
2228# define freopen freopen64
5ff3f7a4
GS
2229# endif
2230#endif
2231
af8b425d 2232#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2233# include "iperlsys.h"
2234#endif
2235
6f71a643 2236#if defined(__OPEN_VM)
19848b3f
JH
2237# include "vmesa/vmesaish.h"
2238# define ISHISH "vmesa"
6f71a643
JH
2239#endif
2240
748a9306 2241#ifdef DOSISH
19848b3f
JH
2242# if defined(OS2)
2243# include "os2ish.h"
2244# else
2245# include "dosish.h"
2246# endif
2247# define ISHISH "dos"
2248#endif
2249
2250#if defined(VMS)
748a9306 2251# include "vmsish.h"
96e176bf 2252# include "embed.h"
19848b3f
JH
2253# define ISHISH "vms"
2254#endif
2255
2256#if defined(PLAN9)
2257# include "./plan9/plan9ish.h"
2258# define ISHISH "plan9"
2259#endif
2260
2261#if defined(MPE)
2262# include "mpeix/mpeixish.h"
2263# define ISHISH "mpeix"
2264#endif
2265
2266#if defined(__VOS__)
196918b0
PG
2267# ifdef __GNUC__
2268# include "./vos/vosish.h"
2269# else
2270# include "vos/vosish.h"
2271# endif
19848b3f
JH
2272# define ISHISH "vos"
2273#endif
2274
2275#if defined(EPOC)
2276# include "epocish.h"
2277# define ISHISH "epoc"
2278#endif
2279
27da23d5
JH
2280#ifdef SYMBIAN
2281# include "symbian/symbianish.h"
2282# include "embed.h"
2283# define ISHISH "symbian"
2284#endif
2285
19848b3f
JH
2286#if defined(MACOS_TRADITIONAL)
2287# include "macos/macish.h"
2288# ifndef NO_ENVIRON_ARRAY
2289# define NO_ENVIRON_ARRAY
0c30d9ec 2290# endif
19848b3f
JH
2291# define ISHISH "macos classic"
2292#endif
2293
efca5cc6
JH
2294#if defined(__BEOS__)
2295# include "beos/beosish.h"
2296# define ISHISH "beos"
2297#endif
2298
19848b3f
JH
2299#ifndef ISHISH
2300# include "unixish.h"
2301# define ISHISH "unix"
13b6e58c
JH
2302#endif
2303
2304#ifndef NO_ENVIRON_ARRAY
2305# define USE_ENVIRON_ARRAY
2306#endif
32f822de 2307
c77b533b
JH
2308/*
2309 * initialise to avoid floating-point exceptions from overflow, etc
2310 */
2311#ifndef PERL_FPU_INIT
2312# ifdef HAS_FPSETMASK
2313# if HAS_FLOATINGPOINT_H
2314# include <floatingpoint.h>
2315# endif
2316# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2317# else
2f42fcb0 2318# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2319# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2320# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2321# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2322# else
2323# define PERL_FPU_INIT
2f42fcb0 2324
7014c407 2325# endif
c77b533b
JH
2326# endif
2327#endif
b35112e7
CS
2328#ifndef PERL_FPU_PRE_EXEC
2329# define PERL_FPU_PRE_EXEC {
2330# define PERL_FPU_POST_EXEC }
2331#endif
c77b533b 2332
ed344e4f
IZ
2333#ifndef PERL_SYS_INIT3
2334# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2335#endif
2336
be708cc0
JH
2337#ifndef PERL_WRITE_MSG_TO_CONSOLE
2338# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2339#endif
2340
0f31cffe
GS
2341#ifndef MAXPATHLEN
2342# ifdef PATH_MAX
b990c8b2
JH
2343# ifdef _POSIX_PATH_MAX
2344# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2345/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2346 * included the null byte or not. Later amendments of POSIX,
2347 * XPG4, the Austin Group, and the Single UNIX Specification
2348 * all explicitly include the null byte in the PATH_MAX.
2349 * Ditto for _POSIX_PATH_MAX. */
2350# define MAXPATHLEN PATH_MAX
b990c8b2 2351# else
09448d78 2352# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2353# endif
2354# else
2355# define MAXPATHLEN (PATH_MAX+1)
2356# endif
0f31cffe 2357# else
b990c8b2 2358# ifdef _POSIX_PATH_MAX
09448d78 2359# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2360# else
2361# define MAXPATHLEN 1024 /* Err on the large side. */
2362# endif
0f31cffe
GS
2363# endif
2364#endif
2365
3db8f154 2366/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2367 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2368 * this results in many functions being undeclared which bothers C++
2369 * May make sense to have threads after "*ish.h" anyway
2370 */
2371
3db8f154 2372#if defined(USE_ITHREADS)
2986a63f
JH
2373# ifdef NETWARE
2374# include <nw5thread.h>
2375# else
32f822de
GS
2376# ifdef FAKE_THREADS
2377# include "fakethr.h"
2378# else
2379# ifdef WIN32
2380# include <win32thread.h>
2381# else
dd96f567
IZ
2382# ifdef OS2
2383# include "os2thread.h"
2384# else
7f3d1cf1 2385# ifdef I_MACH_CTHREADS
bdd66968 2386# include <mach/cthreads.h>
8f1f23e8 2387# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2388# define MUTEX_INIT_CALLS_MALLOC
2389# endif
7f3d1cf1
BH
2390typedef cthread_t perl_os_thread;
2391typedef mutex_t perl_mutex;
2392typedef condition_t perl_cond;
2393typedef void * perl_key;
2394# else /* Posix threads */
1f5ae88c
JH
2395# ifdef I_PTHREAD
2396# include <pthread.h>
2397# endif
7f3d1cf1
BH
2398typedef pthread_t perl_os_thread;
2399typedef pthread_mutex_t perl_mutex;
2400typedef pthread_cond_t perl_cond;
2401typedef pthread_key_t perl_key;
2402# endif /* I_MACH_CTHREADS */
dd96f567 2403# endif /* OS2 */
32f822de
GS
2404# endif /* WIN32 */
2405# endif /* FAKE_THREADS */
2986a63f 2406#endif /* NETWARE */
3db8f154 2407#endif /* USE_ITHREADS */
c5be433b 2408
66a93824 2409#if defined(WIN32)
1feb2720 2410# include "win32.h"
c5be433b
GS
2411#endif
2412
2986a63f
JH
2413#ifdef NETWARE
2414# include "netware.h"
2415#endif
2416
68dc0745 2417#ifdef VMS
6b88bc9c 2418# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2419# define STATUS_NATIVE_EXPORT \
d98f61e7 2420 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2421# define STATUS_NATIVE_SET(n) \
2422 STMT_START { \
6b88bc9c
GS
2423 PL_statusvalue_vms = (n); \
2424 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2425 PL_statusvalue = -1; \
6b88bc9c 2426 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2427 PL_statusvalue = 0; \
6b88bc9c
GS
2428 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2429 PL_statusvalue = 1 << 8; \
68dc0745 2430 else \
6b88bc9c 2431 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2432 } STMT_END
3280af22 2433# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2434# ifdef VMSISH_STATUS
2435# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2436# else
2437# define STATUS_CURRENT STATUS_POSIX
2438# endif
2439# define STATUS_POSIX_SET(n) \
2440 STMT_START { \
3280af22
NIS
2441 PL_statusvalue = (n); \
2442 if (PL_statusvalue != -1) { \
2443 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2444 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2445 } \
6b88bc9c 2446 else PL_statusvalue_vms = -1; \
68dc0745 2447 } STMT_END
6b88bc9c
GS
2448# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2449# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
2450#else
2451# define STATUS_NATIVE STATUS_POSIX
2452# define STATUS_NATIVE_EXPORT STATUS_POSIX
2453# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2454# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2455# define STATUS_POSIX_SET(n) \
2456 STMT_START { \
3280af22
NIS
2457 PL_statusvalue = (n); \
2458 if (PL_statusvalue != -1) \
2459 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
2460 } STMT_END
2461# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
2462# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2463# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
2464#endif
2465
cc3604b1
GS
2466/* flags in PL_exit_flags for nature of exit() */
2467#define PERL_EXIT_EXPECTED 0x01
31d77e54 2468#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2469
0b94c7bb 2470#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2471# define MEMBER_TO_FPTR(name) name
2472#endif
2473
2474/* format to use for version numbers in file/directory names */
273cf8d1 2475/* XXX move to Configure? */
a7cb1f99 2476#ifndef PERL_FS_VER_FMT
273cf8d1 2477# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2478#endif
2479
45bc9206 2480/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2481 * performance issue, so we allow people to disable it. Also, if
2482 * we are using stdio, there are broken implementations of fflush(NULL)
2483 * out there, Solaris being the most prominent.
45bc9206
GS
2484 */
2485#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2486# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2487# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2488# else
2489# ifdef FFLUSH_ALL
2490# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2491# else
c5be433b 2492# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2493# endif
66fe083f 2494# endif
45bc9206
GS
2495#endif
2496
7766f137
GS
2497#ifndef PERL_WAIT_FOR_CHILDREN
2498# define PERL_WAIT_FOR_CHILDREN NOOP
2499#endif
2500
ba869deb 2501/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2502#ifndef PERL_SET_INTERP
2503# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2504#endif
2505
2506#ifndef PERL_GET_INTERP
2507# define PERL_GET_INTERP (PL_curinterp)
2508#endif
2509
54aff467 2510#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2511# ifdef MULTIPLICITY
ba869deb 2512# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2513# endif
ba869deb
GS
2514# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2515#endif
2516
894356b3
GS
2517#ifndef SVf
2518# ifdef CHECK_FORMAT
5df617be 2519# define SVf "-p"
894356b3
GS
2520# else
2521# define SVf "_"
d460ef45 2522# endif
894356b3
GS
2523#endif
2524
014ead4b 2525#ifndef SVf_precision
d2560b70 2526# ifdef CHECK_FORMAT
014ead4b 2527# define SVf_precision(n) "-" n "p"
d2560b70 2528# else
014ead4b 2529# define SVf_precision(n) "." n "_"
d460ef45 2530# endif
d2560b70
RB
2531#endif
2532
014ead4b
RB
2533#ifndef SVf32
2534# define SVf32 SVf_precision("32")
2535#endif
2536
2537#ifndef SVf256
2538# define SVf256 SVf_precision("256")
2539#endif
2540
2541#ifndef UVf
2542# define UVf UVuf
d2560b70
RB
2543#endif
2544
5df617be 2545#ifndef DieNull
b3fe4827 2546# ifdef CHECK_FORMAT
3358ade6 2547# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827 2548# else
5df617be 2549# define DieNull Perl_die(aTHX_ Nullch)
b3fe4827
RB
2550# endif
2551#endif
2552
287c8091
RB
2553#ifndef __attribute__format__
2554# ifdef CHECK_FORMAT
b7787f18 2555# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
287c8091
RB
2556# else
2557# define __attribute__format__(x,y,z)
2558# endif
2559#endif
b7787f18 2560
abb2c242
JH
2561#if __GNUC__ >= 3
2562# define __attribute__malloc__ __attribute__((malloc))
2563# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
2564# define __attribute__noreturn__ __attribute__((noreturn))
2565# define __attribute__pure__ __attribute__((pure))
2566# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
2567#else
2568# define __attribute__malloc__
2569# define __attribute__nonnull__(a)
2570# define __attribute__noreturn__
2571# define __attribute__pure__
2572# define __attribute__warn_unused_result__
2573#endif
2574
2575#if defined(HASATTRIBUTE) && __GNUC__ >= 3
2576# define HASATTRIBUTE_NORETURN
2577#endif
2578
3fc1aec6
PP
2579/* Some unistd.h's give a prototype for pause() even though
2580 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2581 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2582*/
2583#ifdef HAS_PAUSE
2584#define Pause pause
2585#else
2586#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2587#endif
2588
2589#ifndef IOCPARM_LEN
2590# ifdef IOCPARM_MASK
2591 /* on BSDish systes we're safe */
2592# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2593# else
2594 /* otherwise guess at what's safe */
2595# define IOCPARM_LEN(x) 256
2596# endif
a0d0e21e
LW
2597#endif
2598
1761cee5 2599#if defined(__CYGWIN__)
521e0776
GS
2600/* USEMYBINMODE
2601 * This symbol, if defined, indicates that the program should
16fe6d59 2602 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2603 * that a file is in "binary" mode -- that is, that no translation
2604 * of bytes occurs on read or write operations.
2605 */
36894f0b 2606# define USEMYBINMODE /**/
77a40698 2607# include <io.h> /* for setmode() prototype */
16fe6d59 2608# define my_binmode(fp, iotype, mode) \
77a40698 2609 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2610#endif
2611
88d10794
JH
2612#ifdef __CYGWIN__
2613void init_os_extras(void);
2614#endif
2615
cea2e8a9
GS
2616#ifdef UNION_ANY_DEFINITION
2617UNION_ANY_DEFINITION;
2618#else
2619union any {
2620 void* any_ptr;
2621 I32 any_i32;
2622 IV any_iv;
2623 long any_long;
9febdf04 2624 bool any_bool;
c76ac1ee 2625 void (*any_dptr) (void*);
acfe0abc 2626 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2627};
2628#endif
2629
acfe0abc 2630typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2631
2632#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2633#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2634#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2635
c5078cac
JH
2636#if defined(_AIX) && !defined(_AIX43)
2637#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2638/* We cannot include <crypt.h> to get the struct crypt_data
2639 * because of setkey prototype problems when threading */
2640typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2641 /* From OSF, Not needed in AIX
2642 char C[28], D[28];
2643 */
2644 char E[48];
2645 char KS[16][48];
2646 char block[66];
2647 char iobuf[16];
2648} CRYPTD;
2649#endif /* threading */
2650#endif /* AIX */
2651
af8b425d 2652#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2653# include "iperlsys.h"
2654#endif
504f80c1 2655
d10dc2ae
JH
2656/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2657 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2658 * defined by Configure, despite their names being similar to the
2659 * other defines like USE_ITHREADS. Configure in fact knows nothing
2660 * about the randomised hashes. Therefore to enable/disable the hash
2661 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2662#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2663# define USE_HASH_SEED
504f80c1
JH
2664#endif
2665
378cc40b 2666#include "regexp.h"
79072805 2667#include "sv.h"
378cc40b 2668#include "util.h"
8d063cd8 2669#include "form.h"
79072805 2670#include "gv.h"
dd2155a4 2671#include "pad.h"
79072805 2672#include "cv.h"
abdd5c84 2673#include "opnames.h"
79072805
LW
2674#include "op.h"
2675#include "cop.h"
2676#include "av.h"
2677#include "hv.h"
2678#include "mg.h"
2679#include "scope.h"
4438c4b7 2680#include "warnings.h"
a0ed51b3 2681#include "utf8.h"
8d063cd8 2682
7fae4e64
GS
2683/* Current curly descriptor */
2684typedef struct curcur CURCUR;
2685struct curcur {
2686 int parenfloor; /* how far back to strip paren data */
2687 int cur; /* how many instances of scan we've matched */
2688 int min; /* the minimal number of scans to match */
2689 int max; /* the maximal number of scans to match */
2690 int minmod; /* whether to work our way up or down */
2691 regnode * scan; /* the thing to match */
2692 regnode * next; /* what has to match after it */
2693 char * lastloc; /* where we started matching this scan */
2694 CURCUR * oldcc; /* current curly before we started this one */
2695};
2696
2697typedef struct _sublex_info SUBLEXINFO;
2698struct _sublex_info {
2699 I32 super_state; /* lexer state to save */
2700 I32 sub_inwhat; /* "lex_inwhat" to use */
2701 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2702 char *super_bufptr; /* PL_bufptr that was */
2703 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2704};
2705
455ece5e 2706typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2707
2c2d71f5 2708struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2709struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2710
2711typedef I32 CHECKPOINT;
76e3520e 2712
5f7fde29
GS
2713struct ptr_tbl_ent {
2714 struct ptr_tbl_ent* next;
2715 void* oldval;
2716 void* newval;
d18c6117
GS
2717};
2718
5f7fde29
GS
2719struct ptr_tbl {
2720 struct ptr_tbl_ent** tbl_ary;
2721 UV tbl_max;
2722 UV tbl_items;
d18c6117
GS
2723};
2724
450a55e4 2725#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2726# define I286
2727#endif
2728
fe14fcc3
LW
2729#if defined(htonl) && !defined(HAS_HTONL)
2730#define HAS_HTONL
ae986130 2731#endif
fe14fcc3
LW
2732#if defined(htons) && !defined(HAS_HTONS)
2733#define HAS_HTONS
ae986130 2734#endif
fe14fcc3
LW
2735#if defined(ntohl) && !defined(HAS_NTOHL)
2736#define HAS_NTOHL
ae986130 2737#endif
fe14fcc3
LW
2738#if defined(ntohs) && !defined(HAS_NTOHS)
2739#define HAS_NTOHS
ae986130 2740#endif
fe14fcc3 2741#ifndef HAS_HTONL
d9d8d8de 2742#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2743#define HAS_HTONS
2744#define HAS_HTONL
2745#define HAS_NTOHS
2746#define HAS_NTOHL
a687059c
LW
2747#define MYSWAP
2748#define htons my_swap
2749#define htonl my_htonl
2750#define ntohs my_swap
2751#define ntohl my_ntohl
2752#endif
2753#else
d9d8d8de 2754#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2755#undef HAS_HTONS
2756#undef HAS_HTONL
2757#undef HAS_NTOHS
2758#undef HAS_NTOHL
a687059c
LW
2759#endif
2760#endif
2761
988174c1
LW
2762/*
2763 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2764 * -DWS
2765 */
2766#if BYTEORDER != 0x1234
2767# define HAS_VTOHL
2768# define HAS_VTOHS
2769# define HAS_HTOVL
2770# define HAS_HTOVS
c67712b2 2771# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2772# define vtohl(x) ((((x)&0xFF)<<24) \
2773 +(((x)>>24)&0xFF) \
2774 +(((x)&0x0000FF00)<<8) \
2775 +(((x)&0x00FF0000)>>8) )
2776# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2777# define htovl(x) vtohl(x)
2778# define htovs(x) vtohs(x)
2779# endif
2780 /* otherwise default to functions in util.c */
2a8c3029 2781#ifndef htovs
c623ac67
GS
2782short htovs(short n);
2783short vtohs(short n);
2784long htovl(long n);
2785long vtohl(long n);
988174c1 2786#endif
2a8c3029 2787#endif
988174c1 2788
3bb7c1b4
JH
2789/* *MAX Plus 1. A floating point value.
2790 Hopefully expressed in a way that dodgy floating point can't mess up.
2791 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2792 is added to it
2793 May find that some broken compiler will want the value cast to I32.
2794 [after the shift, as signed >> may not be as secure as unsigned >>]
2795*/
2796#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2797#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2798/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2799 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2800 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2801*/
2802#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2803
3bb7c1b4
JH
2804#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2805#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2806#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2807
2808/* This may look like unnecessary jumping through hoops, but converting
2809 out of range floating point values to integers *is* undefined behaviour,
2810 and it is starting to bite.
2811*/
2812#ifndef CAST_INLINE
65202027 2813#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2814#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2815#define I_V(what) (cast_iv((NV)(what)))
2816#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2817#else
2818#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2819 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2820 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2821#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2822 : ((n) < U32_MAX_P1 ? (U32) (n) \
2823 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2824#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2825 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2826 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2827#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2828 : ((n) < UV_MAX_P1 ? (UV) (n) \
2829 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2830#endif
2831
2832#define U_S(what) ((U16)U_32(what))
2833#define U_I(what) ((unsigned int)U_32(what))
2834#define U_L(what) U_32(what)
ed6116ce 2835
2d4389e4
JH
2836/* These do not care about the fractional part, only about the range. */
2837#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2838#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2839
25da4f38
IZ
2840/* Used with UV/IV arguments: */
2841 /* XXXX: need to speed it up */
2842#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2843#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2844
352d5a3a
LW
2845#ifndef MAXSYSFD
2846# define MAXSYSFD 2
2847#endif
ee0007ab 2848
79072805 2849#ifndef __cplusplus
27da23d5 2850#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2851Uid_t getuid (void);
2852Uid_t geteuid (void);
2853Gid_t getgid (void);
2854Gid_t getegid (void);
79072805 2855#endif
e1caacb4 2856#endif
8d063cd8 2857
0c30d9ec 2858#ifndef Perl_debug_log
bf49b057
GS
2859# define Perl_debug_log PerlIO_stderr()
2860#endif
2861
2862#ifndef Perl_error_log
2863# define Perl_error_log (PL_stderrgv \
6b78add2 2864 && isGV(PL_stderrgv) \
01bb7c6d 2865 && GvIOp(PL_stderrgv) \
42de951c 2866 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2867 ? IoOFP(GvIOp(PL_stderrgv)) \
2868 : PerlIO_stderr())
0c30d9ec 2869#endif
3967c732 2870
aea4f609
DM
2871
2872#define DEBUG_p_FLAG 0x00000001 /* 1 */
2873#define DEBUG_s_FLAG 0x00000002 /* 2 */
2874#define DEBUG_l_FLAG 0x00000004 /* 4 */
2875#define DEBUG_t_FLAG 0x00000008 /* 8 */
2876#define DEBUG_o_FLAG 0x00000010 /* 16 */
2877#define DEBUG_c_FLAG 0x00000020 /* 32 */
2878#define DEBUG_P_FLAG 0x00000040 /* 64 */
2879#define DEBUG_m_FLAG 0x00000080 /* 128 */
2880#define DEBUG_f_FLAG 0x00000100 /* 256 */
2881#define DEBUG_r_FLAG 0x00000200 /* 512 */
2882#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2883#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2884 /* spare */
aea4f609
DM
2885#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2886#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2887#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2888#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2889#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2890#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2891#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2892#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2893#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2894#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2895#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2896#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
2897
2898#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2899#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2900 that something was done? */
aea4f609 2901
bd16a5f0
IZ
2902# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2903# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2904# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2905# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2906# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2907# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2908# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2909# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2910# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2911# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2912# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2913# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2914# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2915# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2916# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2917# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2918# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2919# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2920# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2921# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2922# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
2923# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2924# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2925# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2926
3967c732 2927#ifdef DEBUGGING
aea4f609 2928
bd16a5f0
IZ
2929# define DEBUG_p_TEST DEBUG_p_TEST_
2930# define DEBUG_s_TEST DEBUG_s_TEST_
2931# define DEBUG_l_TEST DEBUG_l_TEST_
2932# define DEBUG_t_TEST DEBUG_t_TEST_
2933# define DEBUG_o_TEST DEBUG_o_TEST_
2934# define DEBUG_c_TEST DEBUG_c_TEST_
2935# define DEBUG_P_TEST DEBUG_P_TEST_
2936# define DEBUG_m_TEST DEBUG_m_TEST_
2937# define DEBUG_f_TEST DEBUG_f_TEST_
2938# define DEBUG_r_TEST DEBUG_r_TEST_
2939# define DEBUG_x_TEST DEBUG_x_TEST_
2940# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
2941# define DEBUG_H_TEST DEBUG_H_TEST_
2942# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2943# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
2944# define DEBUG_D_TEST DEBUG_D_TEST_
2945# define DEBUG_S_TEST DEBUG_S_TEST_
2946# define DEBUG_T_TEST DEBUG_T_TEST_
2947# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2948# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2949# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2950# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2951# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2952# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2953
488b0c7a
JH
2954# define PERL_DEB(a) a
2955# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
2956# define DEBUG_p(a) if (DEBUG_p_TEST) a
2957# define DEBUG_s(a) if (DEBUG_s_TEST) a
2958# define DEBUG_l(a) if (DEBUG_l_TEST) a
2959# define DEBUG_t(a) if (DEBUG_t_TEST) a
2960# define DEBUG_o(a) if (DEBUG_o_TEST) a
2961# define DEBUG_c(a) if (DEBUG_c_TEST) a
2962# define DEBUG_P(a) if (DEBUG_P_TEST) a
2963
969058bb
VK
2964 /* Temporarily turn off memory debugging in case the a
2965 * does memory allocation, either directly or indirectly. */
acfe0abc 2966# define DEBUG_m(a) \
0b250b9e 2967 STMT_START { \
aea4f609 2968 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2969 } STMT_END
aea4f609 2970
5f80b19c
AMS
2971# define DEBUG__(t, a) \
2972 STMT_START { \
2973 if (t) STMT_START {a;} STMT_END; \
2974 } STMT_END
2975
2976# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2977# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2978# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2979# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
2980# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2981# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2982# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2983# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2984
3db8f154 2985# define DEBUG_S(a)
aea4f609 2986
5f80b19c
AMS
2987# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2988# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2989# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2990# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
2991# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2992# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
2993
2994#else /* DEBUGGING */
2995
2996# define DEBUG_p_TEST (0)
2997# define DEBUG_s_TEST (0)
2998# define DEBUG_l_TEST (0)
2999# define DEBUG_t_TEST (0)
3000# define DEBUG_o_TEST (0)
3001# define DEBUG_c_TEST (0)
3002# define DEBUG_P_TEST (0)
3003# define DEBUG_m_TEST (0)
3004# define DEBUG_f_TEST (0)
3005# define DEBUG_r_TEST (0)
3006# define DEBUG_x_TEST (0)
3007# define DEBUG_u_TEST (0)
aea4f609
DM
3008# define DEBUG_H_TEST (0)
3009# define DEBUG_X_TEST (0)
dd2155a4 3010# define DEBUG_Xv_TEST (0)
aea4f609
DM
3011# define DEBUG_D_TEST (0)
3012# define DEBUG_S_TEST (0)
3013# define DEBUG_T_TEST (0)
04932ac8 3014# define DEBUG_R_TEST (0)
1045810a 3015# define DEBUG_J_TEST (0)
d6721266 3016# define DEBUG_v_TEST (0)
46187eeb 3017# define DEBUG_C_TEST (0)
ecae49c0
NC
3018# define DEBUG_A_TEST (0)
3019# define DEBUG_q_TEST (0)
aea4f609 3020
488b0c7a
JH
3021# define PERL_DEB(a)
3022# define PERL_DEBUG(a)
aea4f609
DM
3023# define DEBUG_p(a)
3024# define DEBUG_s(a)
3025# define DEBUG_l(a)
3026# define DEBUG_t(a)
3027# define DEBUG_o(a)
3028# define DEBUG_c(a)
3029# define DEBUG_P(a)
3030# define DEBUG_m(a)
3031# define DEBUG_f(a)
3032# define DEBUG_r(a)
3033# define DEBUG_x(a)
3034# define DEBUG_u(a)
aea4f609
DM
3035# define DEBUG_H(a)
3036# define DEBUG_X(a)
dd2155a4 3037# define DEBUG_Xv(a)
aea4f609
DM
3038# define DEBUG_D(a)
3039# define DEBUG_S(a)
3040# define DEBUG_T(a)
04932ac8 3041# define DEBUG_R(a)
d6721266 3042# define DEBUG_v(a)
46187eeb 3043# define DEBUG_C(a)
ecae49c0
NC
3044# define DEBUG_A(a)
3045# define DEBUG_q(a)
aea4f609
DM
3046#endif /* DEBUGGING */
3047
3048
b4ab917c
DM
3049#define DEBUG_SCOPE(where) \
3050 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3051 where, PL_scopestack_ix, __FILE__, __LINE__)));
3052
3053
3054
3055
d1be9408 3056/* These constants should be used in preference to raw characters
14befaf4
DM
3057 * when using magic. Note that some perl guts still assume
3058 * certain character properties of these constants, namely that
3059 * isUPPER() and toLOWER() may do useful mappings.
3060 *
3061 * Update the magic_names table in dump.c when adding/amending these
3062 */
3063
3064#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3065#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3066#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3067#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3068#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3069#define PERL_MAGIC_regdata 'D' /* Regex match position data
3070 (@+ and @- vars) */
3071#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3072#define PERL_MAGIC_env 'E' /* %ENV hash */
3073#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3074#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3075#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3076#define PERL_MAGIC_isa 'I' /* @ISA array */
3077#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3078#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3079#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3080#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3081#define PERL_MAGIC_mutex 'm' /* for lock op */
3082#define PERL_MAGIC_shared 'N' /* Shared between threads */
3083#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3084#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3085#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3086#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3087#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3088#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3089#define PERL_MAGIC_sig 'S' /* %SIG hash */
3090#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3091#define PERL_MAGIC_taint 't' /* Taintedness */
3092#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3093#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3094#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3095#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3096#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3097#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3098#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3099 smart parameter vivification */
3100#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3101#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3102#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3103#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM
3104#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3105
3106
a6e633de 3107#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3108#define assert(what) PERL_DEB( \
3109 ((what) ? ((void) 0) : \
3110 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
3111 __FILE__, __LINE__), \
3112 PerlProc_exit(1), \
3113 (void) 0)))
a446a88f 3114#endif
8d063cd8 3115
450a55e4 3116struct ufuncs {
24f81a43
DM
3117 I32 (*uf_val)(pTHX_ IV, SV*);
3118 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3119 IV uf_index;
450a55e4
LW
3120};
3121
14befaf4 3122/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3123 * XS code wanting to be backward compatible can do something
3124 * like the following:
c745e42c 3125
24f81a43 3126#ifndef PERL_MG_UFUNC
24f81a43
DM
3127#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3128#endif
3129
3130static PERL_MG_UFUNC(foo_get, index, val)
3131{
3132 sv_setsv(val, ...);
3133 return TRUE;
3134}
3135
3136-- Doug MacEachern
3137
3138*/
3139
fc9c74e6 3140#ifndef PERL_MG_UFUNC
24f81a43 3141#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3142#endif
24f81a43 3143
fe14fcc3 3144/* Fix these up for __STDC__ */
68dc0745 3145#ifndef DONT_DECLARE_STD
20ce7b12 3146char *mktemp (char*);
37bd1396 3147#ifndef atof
20ce7b12 3148double atof (const char*);
a0d0e21e 3149#endif
37bd1396 3150#endif
79072805 3151
352d5a3a 3152#ifndef STANDARD_C
fe14fcc3 3153/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3154Time_t time();
8d063cd8 3155struct tm *gmtime(), *localtime();
092bebab 3156#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3157char *(strchr)(), *(strrchr)();
3158char *(strcpy)(), *(strcat)();
3159#else
93a17b20 3160char *strchr(), *strrchr();
378cc40b 3161char *strcpy(), *strcat();
9d116dd7 3162#endif
352d5a3a 3163#endif /* ! STANDARD_C */
8d063cd8 3164
79072805
LW
3165
3166#ifdef I_MATH
3167# include <math.h>
3168#else
32f822de 3169START_EXTERN_C
20ce7b12
GS
3170 double exp (double);
3171 double log (double);
3172 double log10 (double);
3173 double sqrt (double);
3174 double frexp (double,int*);
3175 double ldexp (double,int);
3176 double modf (double,double*);
3177 double sin (double);
3178 double cos (double);
3179 double atan2 (double,double);
3180 double pow (double,double);
32f822de 3181END_EXTERN_C
79072805
LW
3182#endif
3183
aa8b85de
JH
3184#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3185# define NV_INF LDBL_INFINITY
3186#endif
3187#if !defined(NV_INF) && defined(DBL_INFINITY)
3188# define NV_INF (NV)DBL_INFINITY
3189#endif
3190#if !defined(NV_INF) && defined(INFINITY)
3191# define NV_INF (NV)INFINITY
3192#endif
3193#if !defined(NV_INF) && defined(INF)
3194# define NV_INF (NV)INF
3195#endif
3196#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3197# define NV_INF (NV)HUGE_VALL
3198#endif
3199#if !defined(NV_INF) && defined(HUGE_VAL)
3200# define NV_INF (NV)HUGE_VAL
3201#endif
3202
3203#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3204# if !defined(NV_NAN) && defined(LDBL_NAN)
3205# define NV_NAN LDBL_NAN
3206# endif
3207# if !defined(NV_NAN) && defined(LDBL_QNAN)
3208# define NV_NAN LDBL_QNAN
3209# endif
3210# if !defined(NV_NAN) && defined(LDBL_SNAN)
3211# define NV_NAN LDBL_SNAN
3212# endif
3213#endif
3214#if !defined(NV_NAN) && defined(DBL_NAN)
3215# define NV_NAN (NV)DBL_NAN
3216#endif
3217#if !defined(NV_NAN) && defined(DBL_QNAN)
3218# define NV_NAN (NV)DBL_QNAN
3219#endif
3220#if !defined(NV_NAN) && defined(DBL_SNAN)
3221# define NV_NAN (NV)DBL_SNAN
3222#endif
3223#if !defined(NV_NAN) && defined(QNAN)
3224# define NV_NAN (NV)QNAN
3225#endif
3226#if !defined(NV_NAN) && defined(SNAN)
3227# define NV_NAN (NV)SNAN
3228#endif
3229#if !defined(NV_NAN) && defined(NAN)
3230# define NV_NAN (NV)NAN
3231#endif
3232
a0d0e21e 3233#ifndef __cplusplus
8f1f23e8 3234# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3235char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3236# else
fd8cd3a3 3237# if !defined(WIN32) && !defined(VMS)
10bc17b6 3238#ifndef crypt
20ce7b12 3239char *crypt (const char*, const char*);
10bc17b6 3240#endif
5014db98 3241# endif /* !WIN32 */
8f1f23e8 3242# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3243# ifndef DONT_DECLARE_STD
3244# ifndef getenv
20ce7b12 3245char *getenv (const char*);
26618a56 3246# endif /* !getenv */
28ca6303 3247# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3248# ifdef _FILE_OFFSET_BITS
28ca6303 3249# if _FILE_OFFSET_BITS == 64
20ce7b12 3250Off_t lseek (int,Off_t,int);
0fc67700
JH
3251# endif
3252# endif
bf0c440f 3253# endif
26618a56 3254# endif /* !DONT_DECLARE_STD */
10bc17b6 3255#ifndef getlogin
20ce7b12 3256char *getlogin (void);
10bc17b6 3257#endif
26618a56 3258#endif /* !__cplusplus */
79072805 3259
16d20bd9 3260#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3261#define UNLINK unlnk
20ce7b12 3262I32 unlnk (char*);
8d063cd8 3263#else
80252599 3264#define UNLINK PerlLIO_unlink
8d063cd8 3265#endif
a687059c 3266
fa0a29af
JH
3267/* some versions of glibc are missing the setresuid() proto */
3268#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3269int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3270#endif
fa0a29af
JH
3271/* some versions of glibc are missing the setresgid() proto */
3272#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3273int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3274#endif
3275
fe14fcc3 3276#ifndef HAS_SETREUID
85e6fe83
LW
3277# ifdef HAS_SETRESUID
3278# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3279# define HAS_SETREUID
3280# endif
a687059c 3281#endif
fe14fcc3 3282#ifndef HAS_SETREGID
85e6fe83
LW
3283# ifdef HAS_SETRESGID
3284# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3285# define HAS_SETREGID
3286# endif
a687059c 3287#endif
ee0007ab 3288
d543acb6 3289/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3290
3291#ifdef HAS_SIGACTION
3292typedef struct sigaction Sigsave_t;
3293#else
3294typedef Sighandler_t Sigsave_t;
3295#endif
3296
ee0007ab
LW
3297#define SCAN_DEF 0
3298#define SCAN_TR 1
3299#define SCAN_REPL 2
79072805
LW
3300
3301#ifdef DEBUGGING
4633a7c4 3302# ifndef register
a0d0e21e
LW
3303# define register
3304# endif
cea2e8a9 3305# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3306#else
cea2e8a9 3307# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3308#endif
3309
18f739ee 3310#ifdef MYMALLOC
772fe5b3 3311# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3312# define MALLOC_INIT \
3313 STMT_START { \
3314 PL_malloc_mutex = NULL; \
3315 MUTEX_INIT(&PL_malloc_mutex); \
3316 } STMT_END
3317# define MALLOC_TERM \
3318 STMT_START { \
3319 perl_mutex tmp = PL_malloc_mutex; \
3320 PL_malloc_mutex = NULL; \
3321 MUTEX_DESTROY(&tmp); \
3322 } STMT_END
3323# else
3324# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3325# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3326# endif
18f739ee
IZ
3327#else
3328# define MALLOC_INIT
3329# define MALLOC_TERM
3330#endif
3331
b6d9d515 3332
0cb96387 3333typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3334typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3335typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3336typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3337
940cb80d 3338/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3339#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3340
8f1f23e8
W
3341/* NeXT has problems with crt0.o globals */
3342#if defined(__DYNAMIC__) && \
6239f2da 3343 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3344# if defined(NeXT) || defined(__NeXT)
3345# include <mach-o/dyld.h>
3346# define environ (*environ_pointer)
0c30d9ec 3347EXT char *** environ_pointer;
8f1f23e8 3348# else
6239f2da 3349# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3350# include <crt_externs.h> /* for the env array */
3351# define environ (*_NSGetEnviron())
3352# endif
0c30d9ec 3353# endif
8f1f23e8
W
3354#else
3355 /* VMS and some other platforms don't use the environ array */
13b6e58c 3356# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3357# if !defined(DONT_DECLARE_STD) || \
3358 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3359 defined(__sgi) || \
d460ef45 3360 defined(__DGUX)
8f1f23e8 3361extern char ** environ; /* environment variables supplied via exec */
a6c40364 3362# endif
8f1f23e8
W
3363# endif
3364#endif
79072805 3365
73c4f7a1
GS
3366START_EXTERN_C
3367
79072805 3368/* handy constants */
22c35a8c 3369EXTCONST char PL_warn_uninit[]
29489e7c 3370 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3371EXTCONST char PL_warn_nosemi[]
463ee0b2 3372 INIT("Semicolon seems to be missing");
22c35a8c 3373EXTCONST char PL_warn_reserved[]
463ee0b2 3374 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3375EXTCONST char PL_warn_nl[]
93a17b20 3376 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3377EXTCONST char PL_no_wrongref[]
a0d0e21e 3378 INIT("Can't use %s ref as %s ref");
22c35a8c 3379EXTCONST char PL_no_symref[]
748a9306 3380 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3381EXTCONST char PL_no_symref_sv[]
014ead4b 3382 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3383EXTCONST char PL_no_usym[]
8990e307 3384 INIT("Can't use an undefined value as %s reference");
22c35a8c 3385EXTCONST char PL_no_aelem[]
93a17b20 3386 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3387EXTCONST char PL_no_helem_sv[]
3388 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3389EXTCONST char PL_no_modify[]
93a17b20 3390 INIT("Modification of a read-only value attempted");
22c35a8c 3391EXTCONST char PL_no_mem[]
93a17b20 3392 INIT("Out of memory!\n");
22c35a8c 3393EXTCONST char PL_no_security[]
463ee0b2 3394 INIT("Insecure dependency in %s%s");
22c35a8c 3395EXTCONST char PL_no_sock_func[]
93a17b20 3396 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3397EXTCONST char PL_no_dir_func[]
93a17b20 3398 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3399EXTCONST char PL_no_func[]
93a17b20 3400 INIT("The %s function is unimplemented");
22c35a8c 3401EXTCONST char PL_no_myglob[]
748a9306 3402 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3403EXTCONST char PL_no_localize_ref[]
3404 INIT("Can't localize through a reference");
27d5b266
JH
3405#ifdef PERL_MALLOC_WRAP
3406EXTCONST char PL_memory_wrap[]
3407 INIT("panic: memory wrap");
3408#endif
93a17b20 3409
7575fa06 3410EXTCONST char PL_uuemap[65]
80252599
GS
3411 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3412
3413
79072805 3414#ifdef DOINIT
27da23d5
JH
3415EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3416EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3417#else
27da23d5
JH
3418EXTCONST char* const PL_sig_name[];
3419EXTCONST int PL_sig_num[];
79072805
LW
3420#endif
3421
3bd709b1 3422/* fast conversion and case folding tables */
bbce6d69 3423
79072805 3424#ifdef DOINIT
9d116dd7 3425#ifdef EBCDIC
27da23d5 3426EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3427 0, 1, 2, 3, 4, 5, 6, 7,
3428 8, 9, 10, 11, 12, 13, 14, 15,
3429 16, 17, 18, 19, 20, 21, 22, 23,
3430 24, 25, 26, 27, 28, 29, 30, 31,
3431 32, 33, 34, 35, 36, 37, 38, 39,
3432 40, 41, 42, 43, 44, 45, 46, 47,
3433 48, 49, 50, 51, 52, 53, 54, 55,
3434 56, 57, 58, 59, 60, 61, 62, 63,
3435 64, 65, 66, 67, 68, 69, 70, 71,
3436 72, 73, 74, 75, 76, 77, 78, 79,
3437 80, 81, 82, 83, 84, 85, 86, 87,
3438 88, 89, 90, 91, 92, 93, 94, 95,
3439 96, 97, 98, 99, 100, 101, 102, 103,
3440 104, 105, 106, 107, 108, 109, 110, 111,
3441 112, 113, 114, 115, 116, 117, 118, 119,
3442 120, 121, 122, 123, 124, 125, 126, 127,
3443 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3444 'H', 'I', 138, 139, 140, 141, 142, 143,
3445 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3446 'Q', 'R', 154, 155, 156, 157, 158, 159,
3447 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3448 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3449 176, 177, 178, 179, 180, 181, 182, 183,
3450 184, 185, 186, 187, 188, 189, 190, 191,
3451 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3452 'h', 'i', 202, 203, 204, 205, 206, 207,
3453 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3454 'q', 'r', 218, 219, 220, 221, 222, 223,
3455 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3456 'y', 'z', 234, 235, 236, 237, 238, 239,
3457 240, 241, 242, 243, 244, 245, 246, 247,
3458 248, 249, 250, 251, 252, 253, 254, 255
3459};
3460#else /* ascii rather than ebcdic */
22c35a8c 3461EXTCONST unsigned char PL_fold[] = {
79072805
LW
3462 0, 1, 2, 3, 4, 5, 6, 7,
3463 8, 9, 10, 11, 12, 13, 14, 15,
3464 16, 17, 18, 19, 20, 21, 22, 23,
3465 24, 25, 26, 27, 28, 29, 30, 31,
3466 32, 33, 34, 35, 36, 37, 38, 39,
3467 40, 41, 42, 43, 44, 45, 46, 47,
3468 48, 49, 50, 51, 52, 53, 54, 55,
3469 56, 57, 58, 59, 60, 61, 62, 63,
3470 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3471 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3472 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3473 'x', 'y', 'z', 91, 92, 93, 94, 95,
3474 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3475 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3476 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3477 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3478 128, 129, 130, 131, 132, 133, 134, 135,
3479 136, 137, 138, 139, 140, 141, 142, 143,
3480 144, 145, 146, 147, 148, 149, 150, 151,
3481 152, 153, 154, 155, 156, 157, 158, 159,
3482 160, 161, 162, 163, 164, 165, 166, 167,
3483 168, 169, 170, 171, 172, 173, 174, 175,
3484 176, 177, 178, 179, 180, 181, 182, 183,
3485 184, 185, 186, 187, 188, 189, 190, 191,
3486 192, 193, 194, 195, 196, 197, 198, 199,
3487 200, 201, 202, 203, 204, 205, 206, 207,
3488 208, 209, 210, 211, 212, 213, 214, 215,
3489 216, 217, 218, 219, 220, 221, 222, 223,
3490 224, 225, 226, 227, 228, 229, 230, 231,
3491 232, 233, 234, 235, 236, 237, 238, 239,
3492 240, 241, 242, 243, 244, 245, 246, 247,
3493 248, 249, 250, 251, 252, 253, 254, 255
3494};
9d116dd7 3495#endif /* !EBCDIC */
79072805 3496#else
22c35a8c 3497EXTCONST unsigned char PL_fold[];
79072805
LW
3498#endif
3499
27da23d5 3500#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3501#ifdef DOINIT
27da23d5 3502EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3503 0, 1, 2, 3, 4, 5, 6, 7,
3504 8, 9, 10, 11, 12, 13, 14, 15,
3505 16, 17, 18, 19, 20, 21, 22, 23,
3506 24, 25, 26, 27, 28, 29, 30, 31,
3507 32, 33, 34, 35, 36, 37, 38, 39,
3508 40, 41, 42, 43, 44, 45, 46, 47,
3509 48, 49, 50, 51, 52, 53, 54, 55,
3510 56, 57, 58, 59, 60, 61, 62, 63,
3511 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3512 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3513 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3514 'x', 'y', 'z', 91, 92, 93, 94, 95,
3515 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3516 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3517 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3518 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3519 128, 129, 130, 131, 132, 133, 134, 135,
3520 136, 137, 138, 139, 140, 141, 142, 143,
3521 144, 145, 146, 147, 148, 149, 150, 151,
3522 152, 153, 154, 155, 156, 157, 158, 159,
3523 160, 161, 162, 163, 164, 165, 166, 167,
3524 168, 169, 170, 171, 172, 173, 174, 175,
3525 176, 177, 178, 179, 180, 181, 182, 183,
3526 184, 185, 186, 187, 188, 189, 190, 191,
3527 192, 193, 194, 195, 196, 197, 198, 199,
3528 200, 201, 202, 203, 204, 205, 206, 207,
3529 208, 209, 210, 211, 212, 213, 214, 215,
3530 216, 217, 218, 219, 220, 221, 222, 223,
3531 224, 225, 226, 227, 228, 229, 230, 231,
3532 232, 233, 234, 235, 236, 237, 238, 239,
3533 240, 241, 242, 243, 244, 245, 246, 247,
3534 248, 249, 250, 251, 252, 253, 254, 255
3535};
3536#else
27da23d5 3537EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3538#endif
27da23d5 3539#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3540
3541#ifdef DOINIT
9d116dd7 3542#ifdef EBCDIC
27da23d5 3543EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3544 1, 2, 84, 151, 154, 155, 156, 157,
3545 165, 246, 250, 3, 158, 7, 18, 29,
3546 40, 51, 62, 73, 85, 96, 107, 118,
3547 129, 140, 147, 148, 149, 150, 152, 153,
3548 255, 6, 8, 9, 10, 11, 12, 13,
3549 14, 15, 24, 25, 26, 27, 28, 226,
3550 29, 30, 31, 32, 33, 43, 44, 45,
3551 46, 47, 48, 49, 50, 76, 77, 78,
3552 79, 80, 81, 82, 83, 84, 85, 86,
3553 87, 94, 95, 234, 181, 233, 187, 190,
3554 180, 96, 97, 98, 99, 100, 101, 102,
3555 104, 112, 182, 174, 236, 232, 229, 103,
3556 228, 226, 114, 115, 116, 117, 118, 119,
3557 120, 121, 122, 235, 176, 230, 194, 162,
3558 130, 131, 132, 133, 134, 135, 136, 137,
3559 138, 139, 201, 205, 163, 217, 220, 224,
3560 5, 248, 227, 244, 242, 255, 241, 231,
3561 240, 253, 16, 197, 19, 20, 21, 187,
3562 23, 169, 210, 245, 237, 249, 247, 239,
3563 168, 252, 34, 196, 36, 37, 38, 39,
3564 41, 42, 251, 254, 238, 223, 221, 213,
3565 225, 177, 52, 53, 54, 55, 56, 57,
3566 58, 59, 60, 61, 63, 64, 65, 66,
3567 67, 68, 69, 70, 71, 72, 74, 75,
3568 205, 208, 186, 202, 200, 218, 198, 179,
3569 178, 214, 88, 89, 90, 91, 92, 93,
3570 217, 166, 170, 207, 199, 209, 206, 204,
3571 160, 212, 105, 106, 108, 109, 110, 111,
3572 203, 113, 216, 215, 192, 175, 193, 243,
3573 172, 161, 123, 124, 125, 126, 127, 128,
3574 222, 219, 211, 195, 188, 193, 185, 184,
3575 191, 183, 141, 142, 143, 144, 145, 146
3576};
3577#else /* ascii rather than ebcdic */
22c35a8c 3578EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3579 1, 2, 84, 151, 154, 155, 156, 157,
3580 165, 246, 250, 3, 158, 7, 18, 29,
3581 40, 51, 62, 73, 85, 96, 107, 118,
3582 129, 140, 147, 148, 149, 150, 152, 153,
3583 255, 182, 224, 205, 174, 176, 180, 217,
3584 233, 232, 236, 187, 235, 228, 234, 226,
3585 222, 219, 211, 195, 188, 193, 185, 184,
3586 191, 183, 201, 229, 181, 220, 194, 162,
3587 163, 208, 186, 202, 200, 218, 198, 179,
3588 178, 214, 166, 170, 207, 199, 209, 206,
3589 204, 160, 212, 216, 215, 192, 175, 173,
3590 243, 172, 161, 190, 203, 189, 164, 230,
3591 167, 248, 227, 244, 242, 255, 241, 231,
3592 240, 253, 169, 210, 245, 237, 249, 247,
3593 239, 168, 252, 251, 254, 238, 223, 221,
3594 213, 225, 177, 197, 171, 196, 159, 4,
3595 5, 6, 8, 9, 10, 11, 12, 13,
3596 14, 15, 16, 17, 19, 20, 21, 22,
3597 23, 24, 25, 26, 27, 28, 30, 31,
3598 32, 33, 34, 35, 36, 37, 38, 39,
3599 41, 42, 43, 44, 45, 46, 47, 48,
3600 49, 50, 52, 53, 54, 55, 56, 57,
3601 58, 59, 60, 61, 63, 64, 65, 66,
3602 67, 68, 69, 70, 71, 72, 74, 75,
3603 76, 77, 78, 79, 80, 81, 82, 83,
3604 86, 87, 88, 89, 90, 91, 92, 93,
3605 94, 95, 97, 98, 99, 100, 101, 102,
3606 103, 104, 105, 106, 108, 109, 110, 111,
3607 112, 113, 114, 115, 116, 117, 119, 120,
3608 121, 122, 123, 124, 125, 126, 127, 128,
3609 130, 131, 132, 133, 134, 135, 136, 137,
3610 138, 139, 141, 142, 143, 144, 145, 146
3611};
9d116dd7 3612#endif
79072805 3613#else
22c35a8c 3614EXTCONST unsigned char PL_freq[];
79072805
LW
3615#endif
3616
8990e307
LW
3617#ifdef DEBUGGING
3618#ifdef DOINIT
27da23d5 3619EXTCONST char* const PL_block_type[] = {
8990e307
LW
3620 "NULL",
3621 "SUB",
3622 "EVAL",
3623 "LOOP",
3624 "SUBST",
3625 "BLOCK",
3626};
3627#else
22c35a8c 3628EXTCONST char* PL_block_type[];
8990e307
LW
3629#endif
3630#endif
3631
73c4f7a1
GS
3632END_EXTERN_C
3633
79072805
LW
3634/*****************************************************************************/
3635/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3636/*****************************************************************************/
8990e307 3637/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3638
d4c3c482 3639#ifdef __Lynx__
9cffb111
OS
3640/* LynxOS defines these in scsi.h which is included via ioctl.h */
3641#ifdef FORMAT
3642#undef FORMAT
3643#endif
3644#ifdef SPACE
3645#undef SPACE
3646#endif
d4c3c482 3647#endif
9cffb111 3648
1fd33325
MHM
3649/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3650 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3651 * it's not really needed.
3652 */
3653#if defined(WIN32)
3654# define YYTOKENTYPE
3655#endif
a0d0e21e
LW
3656#include "perly.h"
3657
fb73857a
PP
3658#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3659
79072805
LW
3660typedef enum {
3661 XOPERATOR,
3662 XTERM,
79072805 3663 XREF,
8990e307 3664 XSTATE,
a0d0e21e 3665 XBLOCK,
09bef843
SB
3666 XATTRBLOCK,
3667 XATTRTERM,
6f33ba73
RGS
3668 XTERMBLOCK,
3669 XTERMORDORDOR /* evil hack */
27308ded 3670 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3671} expectation;
3672
dc9e4912
GS
3673enum { /* pass one of these to get_vtbl */
3674 want_vtbl_sv,
3675 want_vtbl_env,
3676 want_vtbl_envelem,
3677 want_vtbl_sig,
3678 want_vtbl_sigelem,
3679 want_vtbl_pack,
3680 want_vtbl_packelem,
3681 want_vtbl_dbline,
3682 want_vtbl_isa,
3683 want_vtbl_isaelem,
3684 want_vtbl_arylen,
3685 want_vtbl_glob,
3686 want_vtbl_mglob,
3687 want_vtbl_nkeys,
3688 want_vtbl_taint,
3689 want_vtbl_substr,
3690 want_vtbl_vec,
3691 want_vtbl_pos,
3692 want_vtbl_bm,
3693 want_vtbl_fm,
3694 want_vtbl_uvar,
3695 want_vtbl_defelem,
3696 want_vtbl_regexp,
3697 want_vtbl_collxfrm,
3698 want_vtbl_amagic,
3699 want_vtbl_amagicelem,
dc9e4912 3700 want_vtbl_regdata,
810b8aa5 3701 want_vtbl_regdatum,
7e8c5dac
HS
3702 want_vtbl_backref,
3703 want_vtbl_utf8
dc9e4912
GS
3704};
3705
85e6fe83
LW
3706 /* Note: the lowest 8 bits are reserved for
3707 stuffing into op->op_private */
f3aa04c2 3708#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3709#define HINT_INTEGER 0x00000001 /* integer pragma */
3710#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3711#define HINT_LOCALE 0x00000004 /* locale pragma */
3712#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3713/* #define HINT_notused10 0x00000010 */
a0ed51b3 3714 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3715 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3716
3717#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3718#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3719#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3720
9cfe5470 3721/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3722#define HINT_NEW_INTEGER 0x00001000
3723#define HINT_NEW_FLOAT 0x00002000
3724#define HINT_NEW_BINARY 0x00004000
3725#define HINT_NEW_STRING 0x00008000
3726#define HINT_NEW_RE 0x00010000
3727#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3728
9cfe5470
RGS
3729#define HINT_RE_TAINT 0x00100000 /* re pragma */
3730#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3731
9cfe5470
RGS
3732#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3733#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3734
8fa7688f 3735/* assertions pragma */
06492da6 3736#define HINT_ASSERTING 0x01000000
8fa7688f 3737#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3738
9cfe5470 3739/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH
3740#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3741#define HINT_SORT_QUICKSORT 0x00000001
3742#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3743#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3744
8bfdd7d9 3745/* Various states of the input record separator SV (rs) */
d4cce5f1 3746#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3747#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3748#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3749#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3750
128e8167 3751/* A struct for keeping various DEBUGGING related stuff,
ce333219 3752 * neatly packed. Currently only scratch variables for
128e8167
JH
3753 * constructing debug output are included. Needed always,
3754 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3755struct perl_debug_pad {
3756 SV pad[3];
3757};
3758
3759#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS
3760#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3761 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3762 PERL_DEBUG_PAD(i))
ce333219 3763
56953603 3764/* Enable variables which are pointers to functions */
a2efc822 3765typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3766typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3767typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3768 char* strend, char* strbeg, I32 minend,
3769 SV* screamer, void* data, U32 flags);
f722798b
IZ
3770typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3771 char *strpos, char *strend,
3772 U32 flags,
3773 struct re_scream_pos_data_s *d);
3774typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3775typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3776
c76ac1ee 3777typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3778typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3779typedef void (*SVFUNC_t) (pTHX_ SV*);
3780typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3781typedef void (*XSINIT_t) (pTHX);
3782typedef void (*ATEXIT_t) (pTHX_ void*);
3783typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3784
22239a37
NIS
3785/* Set up PERLVAR macros for populating structs */
3786#define PERLVAR(var,type) type var;
51371543 3787#define PERLVARA(var,n,type) type var[n];
22239a37 3788#define PERLVARI(var,type,init) type var;
3fe35a81 3789#define PERLVARIC(var,type,init) type var;
27da23d5
JH
3790#define PERLVARISC(var,init) const char var[sizeof(init)];
3791
3792typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
3793typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 3794
58a50f62
GS
3795/* Interpreter exitlist entry */
3796typedef struct exitlistentry {
acfe0abc 3797 void (*fn) (pTHX_ void*);
58a50f62
GS
3798 void *ptr;
3799} PerlExitListEntry;
3800
aadb217d
JH
3801/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
3802/* These have to be before perlvars.h */
3803#if !defined(HAS_SIGACTION) && defined(VMS)
3804# define FAKE_PERSISTENT_SIGNAL_HANDLERS
3805#endif
3806/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
3807#if defined(KILL_BY_SIGPRC)
3808# define FAKE_DEFAULT_SIGNAL_HANDLERS
3809#endif
3810
22239a37
NIS
3811#ifdef PERL_GLOBAL_STRUCT
3812struct perl_vars {
7766f137 3813# include "perlvars.h"
22239a37
NIS
3814};
3815
7766f137 3816# ifdef PERL_CORE
27da23d5 3817# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS
3818EXT struct perl_vars PL_Vars;
3819EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH
3820# undef PERL_GET_VARS
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