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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
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
760ac839
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH
35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH
43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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JH
47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH
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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JH
85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH
109# define USE_REENTRANT_API
110#endif
111
ac6bedea
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL
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)
f722798b
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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AMS
193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
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202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
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207#endif
208
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209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 212 */
53c1dcc0 213#ifndef PERL_UNUSED_ARG
ad73156c
AL
214# ifdef lint
215# include <note.h>
53c1dcc0 216# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 217# else
53c1dcc0 218# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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219# endif
220#endif
53c1dcc0
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221#ifndef PERL_UNUSED_VAR
222# define PERL_UNUSED_VAR(x) ((void)x)
223#endif
ad73156c 224
0cb96387 225#define NOOP (void)0
44dbb695 226#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 227
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228#ifndef pTHX
229# define pTHX void
230# define pTHX_
0cb96387
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231# define aTHX
232# define aTHX_
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233# define dTHXa(a) dNOOP
234# define dTHX dNOOP
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235# define pTHX_1 1
236# define pTHX_2 2
237# define pTHX_3 3
238# define pTHX_4 4
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239# define pTHX_5 5
240# define pTHX_6 6
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241# define pTHX_7 7
242# define pTHX_8 8
243# define pTHX_9 9
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244#endif
245
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246#ifndef dVAR
247# define dVAR dNOOP
248#endif
249
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250/* these are only defined for compatibility; should not be used internally */
251#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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252# define pTHXo pTHX
253# define pTHXo_ pTHX_
0cb96387
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254# define aTHXo aTHX
255# define aTHXo_ aTHX_
c5be433b 256# define dTHXo dTHX
71d280e3 257# define dTHXoa(x) dTHXa(x)
0cb96387
GS
258#endif
259
260#ifndef pTHXx
261# define pTHXx register PerlInterpreter *my_perl
262# define pTHXx_ pTHXx,
0cb96387
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263# define aTHXx my_perl
264# define aTHXx_ aTHXx,
c5be433b 265# define dTHXx dTHX
22c35a8c 266#endif
71be2cbc 267
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268/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
269 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
270 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
271#ifdef PERL_IMPLICIT_SYS
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272# ifdef PERL_GLOBAL_STRUCT_PRIVATE
273# define dTHXs dVAR; dTHX
274# else
275# define dTHXs dTHX
276# endif
1de7c2ac 277#else
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JH
278# ifdef PERL_GLOBAL_STRUCT_PRIVATE
279# define dTHXs dVAR
280# else
281# define dTHXs dNOOP
282# endif
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GS
283#endif
284
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285#undef START_EXTERN_C
286#undef END_EXTERN_C
287#undef EXTERN_C
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288#ifdef __cplusplus
289# define START_EXTERN_C extern "C" {
290# define END_EXTERN_C }
291# define EXTERN_C extern "C"
292#else
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293# define START_EXTERN_C
294# define END_EXTERN_C
73c4f7a1 295# define EXTERN_C extern
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296#endif
297
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298/* Some platforms require marking function declarations
299 * for them to be exportable. Used in perlio.h, proto.h
300 * is handled either by the makedef.pl or by defining the
301 * PERL_CALLCONV to be something special. See also the
302 * definition of XS() in XSUB.h. */
303#ifndef PERL_EXPORT_C
304# define PERL_EXPORT_C extern
305#endif
306#ifndef PERL_XS_EXPORT_C
307# define PERL_XS_EXPORT_C
308#endif
309
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310#ifdef OP_IN_REGISTER
311# ifdef __GNUC__
312# define stringify_immed(s) #s
313# define stringify(s) stringify_immed(s)
d1ca3daa 314register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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315# endif
316#endif
317
5dc8bdac 318#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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319# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
320# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
321# endif
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JH
322#endif
323
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PP
324/*
325 * STMT_START { statements; } STMT_END;
326 * can be used as a single statement, as in
327 * if (x) STMT_START { ... } STMT_END; else ...
328 *
329 * Trying to select a version that gives no warnings...
330 */
331#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 332# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 333# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
334# define STMT_END )
335# else
336 /* Now which other defined()s do we need here ??? */
93189314 337# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
338# define STMT_START if (1)
339# define STMT_END else (void)0
340# else
341# define STMT_START do
342# define STMT_END while (0)
343# endif
344# endif
345#endif
346
0cb96387 347#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 348#define WITH_THR(s) WITH_THX(s)
ea0efc06 349
55497cff
PP
350/*
351 * SOFT_CAST can be used for args to prototyped functions to retain some
352 * type checking; it only casts if the compiler does not know prototypes.
353 */
354#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
355#define SOFT_CAST(type)
356#else
357#define SOFT_CAST(type) (type)
358#endif
79072805 359
d6f9c181
JH
360#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
361# define BYTEORDER 0x1234
79072805
LW
362#endif
363
364/* Overall memory policy? */
365#ifndef CONSERVATIVE
366# define LIBERAL 1
367#endif
368
8ada0baa
JH
369#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
370#define ASCIIish
371#else
372#undef ASCIIish
373#endif
374
79072805
LW
375/*
376 * The following contortions are brought to you on behalf of all the
377 * standards, semi-standards, de facto standards, not-so-de-facto standards
378 * of the world, as well as all the other botches anyone ever thought of.
379 * The basic theory is that if we work hard enough here, the rest of the
380 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
381 */
ac58e20f 382
ee0007ab 383/* define this once if either system, instead of cluttering up the src */
2986a63f 384#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
385#define DOSISH 1
386#endif
387
27da23d5 388#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
LW
389# define STANDARD_C 1
390#endif
391
a03dbf46 392#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
393# define DONT_DECLARE_STD 1
394#endif
395
352d5a3a 396#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 397# ifdef __cplusplus
cb69f87a 398# define VOL /* to temporarily suppress warnings */
79072805
LW
399# else
400# define VOL volatile
401# endif
663a0e37 402#else
79072805 403# define VOL
663a0e37
LW
404#endif
405
3280af22
NIS
406#define TAINT (PL_tainted = TRUE)
407#define TAINT_NOT (PL_tainted = FALSE)
408#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
409#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 410#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 411
d460ef45 412/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
413 defines move there? If so, I could simplify this a lot. --AD 9/96.
414*/
415/* Process group stuff changed from traditional BSD to POSIX.
416 perlfunc.pod documents the traditional BSD-style syntax, so we'll
417 try to preserve that, if possible.
418*/
419#ifdef HAS_SETPGID
420# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 421#else
a6e633de
PP
422# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
423# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
424# else
425# ifdef HAS_SETPGRP2 /* DG/UX */
426# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
427# endif
428# endif
429#endif
430#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
431# define HAS_SETPGRP /* Well, effectively it does . . . */
432#endif
433
434/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
435 our life easier :-) so we'll try it.
436*/
437#ifdef HAS_GETPGID
438# define BSD_GETPGRP(pid) getpgid((pid))
439#else
440# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
441# define BSD_GETPGRP(pid) getpgrp((pid))
442# else
443# ifdef HAS_GETPGRP2 /* DG/UX */
444# define BSD_GETPGRP(pid) getpgrp2((pid))
445# endif
446# endif
447#endif
448#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
449# define HAS_GETPGRP /* Well, effectively it does . . . */
450#endif
451
d460ef45 452/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
453 have different behaviors, but perl.h used to define USE_BSDPGRP
454 (prior to 5.003_05) so some extension might depend on it.
455*/
456#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
457# ifndef USE_BSDPGRP
458# define USE_BSDPGRP
459# endif
663a0e37
LW
460#endif
461
8ac5a1fe
MH
462/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
463 pthread.h must be included before all other header files.
464*/
3db8f154 465#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
466# include <pthread.h>
467#endif
468
760ac839
LW
469#ifndef _TYPES_ /* If types.h defines this it's easy. */
470# ifndef major /* Does everyone's types.h define this? */
471# include <sys/types.h>
c07a80fd 472# endif
663a0e37
LW
473#endif
474
760ac839
LW
475#ifdef __cplusplus
476# ifndef I_STDARG
477# define I_STDARG 1
478# endif
479#endif
480
481#ifdef I_STDARG
482# include <stdarg.h>
483#else
484# ifdef I_VARARGS
485# include <varargs.h>
486# endif
487#endif
488
4633a7c4 489#ifdef USE_NEXT_CTYPE
0c30d9ec 490
092bebab
JH
491#if NX_CURRENT_COMPILER_RELEASE >= 500
492# include <bsd/ctypes.h>
493#else
494# if NX_CURRENT_COMPILER_RELEASE >= 400
495# include <objc/NXCType.h>
496# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
497# include <appkit/NXCType.h>
498# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
499#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
500
501#else /* !USE_NEXT_CTYPE */
fe14fcc3 502#include <ctype.h>
0c30d9ec 503#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
504
505#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
506#undef METHOD
a0d0e21e
LW
507#endif
508
12ae5dfc
JH
509#ifdef PERL_MICRO
510# define NO_LOCALE
511#endif
512
4633a7c4 513#ifdef I_LOCALE
36477c24 514# include <locale.h>
4633a7c4
LW
515#endif
516
36477c24
PP
517#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
518# define USE_LOCALE
519# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
520 && defined(HAS_STRXFRM)
521# define USE_LOCALE_COLLATE
522# endif
523# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
524# define USE_LOCALE_CTYPE
525# endif
526# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
527# define USE_LOCALE_NUMERIC
528# endif
529#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 530
fe14fcc3 531#include <setjmp.h>
79072805 532
a0d0e21e 533#ifdef I_SYS_PARAM
79072805
LW
534# ifdef PARAM_NEEDS_TYPES
535# include <sys/types.h>
536# endif
537# include <sys/param.h>
352d5a3a 538#endif
79072805 539
79072805 540/* Use all the "standard" definitions? */
a0d0e21e 541#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 542# include <stdlib.h>
ff68c719 543#endif
03a14243 544
3f270f98
JH
545/* If this causes problems, set i_unistd=undef in the hint file. */
546#ifdef I_UNISTD
547# include <unistd.h>
548#endif
549
27da23d5
JH
550#ifdef SYMBIAN
551# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
552#endif
553
7114a2d2 554#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
555int syscall(int, ...);
556#endif
557
7114a2d2 558#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 559int usleep(unsigned int);
2ef53570
JH
560#endif
561
9a34ef1d
GS
562#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
563# define MYSWAP
564#endif
565
1109a392
MHM
566#ifdef PERL_CORE
567
568/* macros for correct constant construction */
569# if INTSIZE >= 2
570# define U16_CONST(x) ((U16)x##U)
571# else
572# define U16_CONST(x) ((U16)x##UL)
573# endif
574
575# if INTSIZE >= 4
576# define U32_CONST(x) ((U32)x##U)
577# else
578# define U32_CONST(x) ((U32)x##UL)
579# endif
580
581# ifdef HAS_QUAD
582# if INTSIZE >= 8
583# define U64_CONST(x) ((U64)x##U)
584# elif LONGSIZE >= 8
585# define U64_CONST(x) ((U64)x##UL)
586# elif QUADKIND == QUAD_IS_LONG_LONG
587# define U64_CONST(x) ((U64)x##ULL)
588# else /* best guess we can make */
589# define U64_CONST(x) ((U64)x##UL)
590# endif
591# endif
592
593/* byte-swapping functions for big-/little-endian conversion */
594# define _swab_16_(x) ((U16)( \
595 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
596 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
597
598# define _swab_32_(x) ((U32)( \
599 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
600 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
601 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
602 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
603
604# ifdef HAS_QUAD
605# define _swab_64_(x) ((U64)( \
606 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
607 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
608 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
609 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
610 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
611 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
612 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
613 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
614# endif
615
616/*----------------------------------------------------------------------------*/
617# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
618/*----------------------------------------------------------------------------*/
619# define my_htole16(x) (x)
620# define my_letoh16(x) (x)
621# define my_htole32(x) (x)
622# define my_letoh32(x) (x)
623# define my_htobe16(x) _swab_16_(x)
624# define my_betoh16(x) _swab_16_(x)
625# define my_htobe32(x) _swab_32_(x)
626# define my_betoh32(x) _swab_32_(x)
627# ifdef HAS_QUAD
628# define my_htole64(x) (x)
629# define my_letoh64(x) (x)
630# define my_htobe64(x) _swab_64_(x)
631# define my_betoh64(x) _swab_64_(x)
632# endif
633# define my_htoles(x) (x)
634# define my_letohs(x) (x)
635# define my_htolei(x) (x)
636# define my_letohi(x) (x)
637# define my_htolel(x) (x)
638# define my_letohl(x) (x)
639# if SHORTSIZE == 1
640# define my_htobes(x) (x)
641# define my_betohs(x) (x)
642# elif SHORTSIZE == 2
643# define my_htobes(x) _swab_16_(x)
644# define my_betohs(x) _swab_16_(x)
645# elif SHORTSIZE == 4
646# define my_htobes(x) _swab_32_(x)
647# define my_betohs(x) _swab_32_(x)
648# elif SHORTSIZE == 8
649# define my_htobes(x) _swab_64_(x)
650# define my_betohs(x) _swab_64_(x)
651# else
652# define PERL_NEED_MY_HTOBES
653# define PERL_NEED_MY_BETOHS
654# endif
655# if INTSIZE == 1
656# define my_htobei(x) (x)
657# define my_betohi(x) (x)
658# elif INTSIZE == 2
659# define my_htobei(x) _swab_16_(x)
660# define my_betohi(x) _swab_16_(x)
661# elif INTSIZE == 4
662# define my_htobei(x) _swab_32_(x)
663# define my_betohi(x) _swab_32_(x)
664# elif INTSIZE == 8
665# define my_htobei(x) _swab_64_(x)
666# define my_betohi(x) _swab_64_(x)
667# else
668# define PERL_NEED_MY_HTOBEI
669# define PERL_NEED_MY_BETOHI
670# endif
671# if LONGSIZE == 1
672# define my_htobel(x) (x)
673# define my_betohl(x) (x)
674# elif LONGSIZE == 2
675# define my_htobel(x) _swab_16_(x)
676# define my_betohl(x) _swab_16_(x)
677# elif LONGSIZE == 4
678# define my_htobel(x) _swab_32_(x)
679# define my_betohl(x) _swab_32_(x)
680# elif LONGSIZE == 8
681# define my_htobel(x) _swab_64_(x)
682# define my_betohl(x) _swab_64_(x)
683# else
684# define PERL_NEED_MY_HTOBEL
685# define PERL_NEED_MY_BETOHL
686# endif
687# define my_htolen(p,n) NOOP
688# define my_letohn(p,n) NOOP
689# define my_htoben(p,n) my_swabn(p,n)
690# define my_betohn(p,n) my_swabn(p,n)
691/*----------------------------------------------------------------------------*/
692# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
693/*----------------------------------------------------------------------------*/
694# define my_htobe16(x) (x)
695# define my_betoh16(x) (x)
696# define my_htobe32(x) (x)
697# define my_betoh32(x) (x)
698# define my_htole16(x) _swab_16_(x)
699# define my_letoh16(x) _swab_16_(x)
700# define my_htole32(x) _swab_32_(x)
701# define my_letoh32(x) _swab_32_(x)
702# ifdef HAS_QUAD
703# define my_htobe64(x) (x)
704# define my_betoh64(x) (x)
705# define my_htole64(x) _swab_64_(x)
706# define my_letoh64(x) _swab_64_(x)
707# endif
708# define my_htobes(x) (x)
709# define my_betohs(x) (x)
710# define my_htobei(x) (x)
711# define my_betohi(x) (x)
712# define my_htobel(x) (x)
713# define my_betohl(x) (x)
714# if SHORTSIZE == 1
715# define my_htoles(x) (x)
716# define my_letohs(x) (x)
717# elif SHORTSIZE == 2
718# define my_htoles(x) _swab_16_(x)
719# define my_letohs(x) _swab_16_(x)
720# elif SHORTSIZE == 4
721# define my_htoles(x) _swab_32_(x)
722# define my_letohs(x) _swab_32_(x)
723# elif SHORTSIZE == 8
724# define my_htoles(x) _swab_64_(x)
725# define my_letohs(x) _swab_64_(x)
726# else
727# define PERL_NEED_MY_HTOLES
728# define PERL_NEED_MY_LETOHS
729# endif
730# if INTSIZE == 1
731# define my_htolei(x) (x)
732# define my_letohi(x) (x)
733# elif INTSIZE == 2
734# define my_htolei(x) _swab_16_(x)
735# define my_letohi(x) _swab_16_(x)
736# elif INTSIZE == 4
737# define my_htolei(x) _swab_32_(x)
738# define my_letohi(x) _swab_32_(x)
739# elif INTSIZE == 8
740# define my_htolei(x) _swab_64_(x)
741# define my_letohi(x) _swab_64_(x)
742# else
743# define PERL_NEED_MY_HTOLEI
744# define PERL_NEED_MY_LETOHI
745# endif
746# if LONGSIZE == 1
747# define my_htolel(x) (x)
748# define my_letohl(x) (x)
749# elif LONGSIZE == 2
750# define my_htolel(x) _swab_16_(x)
751# define my_letohl(x) _swab_16_(x)
752# elif LONGSIZE == 4
753# define my_htolel(x) _swab_32_(x)
754# define my_letohl(x) _swab_32_(x)
755# elif LONGSIZE == 8
756# define my_htolel(x) _swab_64_(x)
757# define my_letohl(x) _swab_64_(x)
758# else
759# define PERL_NEED_MY_HTOLEL
760# define PERL_NEED_MY_LETOHL
761# endif
762# define my_htolen(p,n) my_swabn(p,n)
763# define my_letohn(p,n) my_swabn(p,n)
764# define my_htoben(p,n) NOOP
765# define my_betohn(p,n) NOOP
766/*----------------------------------------------------------------------------*/
767# else /* all other byte-orders */
768/*----------------------------------------------------------------------------*/
769# define PERL_NEED_MY_HTOLE16
770# define PERL_NEED_MY_LETOH16
771# define PERL_NEED_MY_HTOBE16
772# define PERL_NEED_MY_BETOH16
773# define PERL_NEED_MY_HTOLE32
774# define PERL_NEED_MY_LETOH32
775# define PERL_NEED_MY_HTOBE32
776# define PERL_NEED_MY_BETOH32
777# ifdef HAS_QUAD
778# define PERL_NEED_MY_HTOLE64
779# define PERL_NEED_MY_LETOH64
780# define PERL_NEED_MY_HTOBE64
781# define PERL_NEED_MY_BETOH64
782# endif
783# define PERL_NEED_MY_HTOLES
784# define PERL_NEED_MY_LETOHS
785# define PERL_NEED_MY_HTOBES
786# define PERL_NEED_MY_BETOHS
787# define PERL_NEED_MY_HTOLEI
788# define PERL_NEED_MY_LETOHI
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# define PERL_NEED_MY_HTOLEL
792# define PERL_NEED_MY_LETOHL
793# define PERL_NEED_MY_HTOBEL
794# define PERL_NEED_MY_BETOHL
795/*----------------------------------------------------------------------------*/
796# endif /* end of byte-order macros */
797/*----------------------------------------------------------------------------*/
798
9c17f24a
NC
799/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
800 at least on FreeBSD. YMMV, so experiment. */
801#ifndef PERL_ARENA_SIZE
802#define PERL_ARENA_SIZE 4080
803#endif
804
1109a392
MHM
805#endif /* PERL_CORE */
806
bdf3085f
NC
807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
810#define PERL_DONT_CREATE_GVSV
811#endif
812
66a93824
NIS
813/* Cannot include embed.h here on Win32 as win32.h has not
814 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
815 */
96e176bf 816#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
817# include "embed.h"
818#endif
819
c31fac66
GS
820#define MEM_SIZE Size_t
821
1936d2a7
NC
822/* Round all values passed to malloc up, by default to a multiple of
823 sizeof(size_t)
824*/
825#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
826#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
827#endif
828
51371543
GS
829#if defined(STANDARD_C) && defined(I_STDDEF)
830# include <stddef.h>
831# define STRUCT_OFFSET(s,m) offsetof(s,m)
832#else
833# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
834#endif
835
27da23d5
JH
836#ifndef SYMBIAN
837# if defined(I_STRING) || defined(__cplusplus)
838# include <string.h>
839# else
840# include <strings.h>
841# endif
51371543
GS
842#endif
843
55497cff
PP
844/* This comes after <stdlib.h> so we don't try to change the standard
845 * library prototypes; we'll use our own in proto.h instead. */
03a14243 846
4633a7c4 847#ifdef MYMALLOC
86058a2d 848# ifdef PERL_POLLUTE_MALLOC
ee13e175 849# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
850# define Perl_malloc malloc
851# define Perl_calloc calloc
852# define Perl_realloc realloc
853# define Perl_mfree free
ee13e175 854# endif
86058a2d
GS
855# else
856# define EMBEDMYMALLOC /* for compatibility */
857# endif
827e134a 858
651b9576
GS
859# define safemalloc Perl_malloc
860# define safecalloc Perl_calloc
861# define saferealloc Perl_realloc
862# define safefree Perl_mfree
22f7c9c9
JH
863# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
864 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
865 code; \
866 } STMT_END
867# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
868 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
869# define panic_write2(s) write(2, s, strlen(s))
870# define CHECK_MALLOC_TAINT(newval) \
871 CHECK_MALLOC_TOO_LATE_FOR_( \
872 if (newval) { \
873 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
874 exit(1); })
22f7c9c9 875# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 876 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
877 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
878 }} STMT_END;
f2517201
GS
879#else /* MYMALLOC */
880# define safemalloc safesysmalloc
881# define safecalloc safesyscalloc
882# define saferealloc safesysrealloc
883# define safefree safesysfree
22f7c9c9
JH
884# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
885# define CHECK_MALLOC_TAINT(newval) ((void)0)
886# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 887#endif /* MYMALLOC */
4633a7c4 888
27da23d5 889#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH
890#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
891#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
892#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
893
a0d0e21e
LW
894#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
895#define strchr index
896#define strrchr rindex
897#endif
898
16d20bd9
AD
899#ifdef I_MEMORY
900# include <memory.h>
901#endif
902
fe14fcc3 903#ifdef HAS_MEMCPY
85e6fe83 904# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 905# ifndef memcpy
20ce7b12 906 extern char * memcpy (char*, char*, int);
ee0007ab
LW
907# endif
908# endif
909#else
910# ifndef memcpy
911# ifdef HAS_BCOPY
912# define memcpy(d,s,l) bcopy(s,d,l)
913# else
914# define memcpy(d,s,l) my_bcopy(s,d,l)
915# endif
916# endif
917#endif /* HAS_MEMCPY */
fe14fcc3 918
ee0007ab 919#ifdef HAS_MEMSET
85e6fe83 920# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 921# ifndef memset
20ce7b12 922 extern char *memset (char*, int, int);
ee0007ab
LW
923# endif
924# endif
ee0007ab 925#else
12ae5dfc 926# undef memset
fc36a67e 927# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
928#endif /* HAS_MEMSET */
929
85e6fe83 930#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 931# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
932# define memmove(d,s,l) bcopy(s,d,l)
933# else
2304df62 934# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 935# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 936# else
79072805 937# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 938# endif
352d5a3a 939# endif
d9d8d8de 940#endif
ee0007ab 941
36477c24
PP
942#if defined(mips) && defined(ultrix) && !defined(__STDC__)
943# undef HAS_MEMCMP
944#endif
945
946#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 947# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 948# ifndef memcmp
20ce7b12 949 extern int memcmp (char*, char*, int);
ee0007ab
LW
950# endif
951# endif
36477c24 952# ifdef BUGGY_MSC
7e4e8c89 953# pragma function(memcmp)
36477c24 954# endif
ee0007ab
LW
955#else
956# ifndef memcmp
ecfc5424 957# define memcmp my_memcmp
352d5a3a 958# endif
36477c24 959#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 960
fc36a67e 961#ifndef memzero
c635e13b
PP
962# ifdef HAS_MEMSET
963# define memzero(d,l) memset(d,0,l)
79072805 964# else
c635e13b
PP
965# ifdef HAS_BZERO
966# define memzero(d,l) bzero(d,l)
79072805 967# else
fc36a67e 968# define memzero(d,l) my_bzero(d,l)
79072805
LW
969# endif
970# endif
d9d8d8de 971#endif
378cc40b 972
2f42fcb0 973#ifndef PERL_MICRO
0f27ced1
JH
974#ifndef memchr
975# ifndef HAS_MEMCHR
976# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
977# endif
978#endif
2f42fcb0 979#endif
0f27ced1 980
36477c24
PP
981#ifndef HAS_BCMP
982# ifndef bcmp
983# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 984# endif
36477c24 985#endif /* !HAS_BCMP */
378cc40b 986
ae986130 987#ifdef I_NETINET_IN
79072805 988# include <netinet/in.h>
ae986130
LW
989#endif
990
28e8609d
JH
991#ifdef I_ARPA_INET
992# include <arpa/inet.h>
993#endif
994
84902520
TB
995#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
996/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
997 * (the neo-BSD seem to do this). */
998# undef SF_APPEND
999#endif
1000
1aef975c 1001#ifdef I_SYS_STAT
84902520 1002# include <sys/stat.h>
1aef975c 1003#endif
79072805 1004
a0d0e21e
LW
1005/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1006 like UTekV) are broken, sometimes giving false positives. Undefine
1007 them here and let the code below set them to proper values.
1008
1009 The ghs macro stands for GreenHills Software C-1.8.5 which
1010 is the C compiler for sysV88 and the various derivatives.
1011 This header file bug is corrected in gcc-2.5.8 and later versions.
1012 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1013
1014#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1015# undef S_ISDIR
1016# undef S_ISCHR
1017# undef S_ISBLK
1018# undef S_ISREG
1019# undef S_ISFIFO
1020# undef S_ISLNK
ee0007ab 1021#endif
135863df 1022
663a0e37
LW
1023#ifdef I_TIME
1024# include <time.h>
ffed7fef 1025#endif
663a0e37 1026
fe14fcc3 1027#ifdef I_SYS_TIME
85e6fe83 1028# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1029# define KERNEL
1030# endif
1031# include <sys/time.h>
85e6fe83 1032# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1033# undef KERNEL
1034# endif
a687059c 1035#endif
135863df 1036
55497cff 1037#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1038# include <sys/times.h>
d9d8d8de 1039#endif
8d063cd8 1040
fe14fcc3 1041#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1042# undef HAS_STRERROR
663a0e37
LW
1043#endif
1044
1045#include <errno.h>
1e743fda 1046
acfe0abc 1047#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1048# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1049#endif
1050
8cfab5ff
JH
1051/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1052 * This is important for using IPv6.
1053 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1054 * a bad idea since it breaks send() and recv(). */
1055#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1056# define _SOCKADDR_LEN
1057#endif
1058
8d3f517a 1059#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1060# include <sys/socket.h>
1061# if defined(USE_SOCKS) && defined(I_SOCKS)
1062# if !defined(INCLUDE_PROTOTYPES)
1063# define INCLUDE_PROTOTYPES /* for <socks.h> */
1064# define PERL_SOCKS_NEED_PROTOTYPES
1065# endif
1066# include <socks.h>
1067# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1068# undef INCLUDE_PROTOTYPES
1069# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1070# endif
d460ef45 1071# endif
1e743fda 1072# ifdef I_NETDB
2986a63f
JH
1073# ifdef NETWARE
1074# include<stdio.h>
1075# endif
1e743fda
JH
1076# include <netdb.h>
1077# endif
1078# ifndef ENOTSOCK
1079# ifdef I_NET_ERRNO
1080# include <net/errno.h>
1081# endif
1082# endif
1083#endif
1084
fa0a29af 1085/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1086 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1087 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1088#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1089# if defined(__THROW) && defined(__GLIBC__)
1090int sockatmark(int) __THROW;
1091# else
2ef53570 1092int sockatmark(int);
29820b6d 1093# endif
2ef53570
JH
1094#endif
1095
1e743fda
JH
1096#ifdef SETERRNO
1097# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1098#endif
f86702cc
PP
1099
1100#ifdef VMS
1101# define SETERRNO(errcode,vmserrcode) \
1102 STMT_START { \
1103 set_errno(errcode); \
1104 set_vaxc_errno(vmserrcode); \
1105 } STMT_END
93189314
JH
1106# define LIB_INVARG LIB$_INVARG
1107# define RMS_DIR RMS$_DIR
1108# define RMS_FAC RMS$_FAC
1109# define RMS_FEX RMS$_FEX
1110# define RMS_FNF RMS$_FNF
1111# define RMS_IFI RMS$_IFI
1112# define RMS_ISI RMS$_ISI
1113# define RMS_PRV RMS$_PRV
1114# define SS_ACCVIO SS$_ACCVIO
1115# define SS_DEVOFFLINE SS$_DEVOFFLINE
1116# define SS_IVCHAN SS$_IVCHAN
1117# define SS_NORMAL SS$_NORMAL
748a9306 1118#else
aba27d88 1119# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1120# define LIB_INVARG 0
1121# define RMS_DIR 0
1122# define RMS_FAC 0
1123# define RMS_FEX 0
1124# define RMS_FNF 0
1125# define RMS_IFI 0
1126# define RMS_ISI 0
1127# define RMS_PRV 0
1128# define SS_ACCVIO 0
1129# define SS_DEVOFFLINE 0
1130# define SS_IVCHAN 0
1131# define SS_NORMAL 0
748a9306 1132#endif
ed6116ce 1133
3db8f154 1134#define ERRSV GvSV(PL_errgv)
e203899d
NC
1135/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1136#define DEFSV GvSVn(PL_defgv)
3db8f154 1137#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1138
98eae8f5
GS
1139#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1140
55497cff 1141#ifndef errno
5ff3f7a4
GS
1142 extern int errno; /* ANSI allows errno to be an lvalue expr.
1143 * For example in multithreaded environments
1144 * something like this might happen:
1145 * extern int *_errno(void);
1146 * #define errno (*_errno()) */
d9d8d8de 1147#endif
663a0e37 1148
2304df62 1149#ifdef HAS_STRERROR
a0d0e21e 1150# ifdef VMS
20ce7b12 1151 char *strerror (int,...);
a0d0e21e 1152# else
68dc0745 1153#ifndef DONT_DECLARE_STD
20ce7b12 1154 char *strerror (int);
68dc0745 1155#endif
a0d0e21e 1156# endif
2304df62
AD
1157# ifndef Strerror
1158# define Strerror strerror
1159# endif
1160#else
1161# ifdef HAS_SYS_ERRLIST
79072805
LW
1162 extern int sys_nerr;
1163 extern char *sys_errlist[];
2304df62
AD
1164# ifndef Strerror
1165# define Strerror(e) \
79072805 1166 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1167# endif
79072805 1168# endif
35c8bce7 1169#endif
663a0e37 1170
2304df62 1171#ifdef I_SYS_IOCTL
79072805
LW
1172# ifndef _IOCTL_
1173# include <sys/ioctl.h>
1174# endif
a687059c
LW
1175#endif
1176
ee0007ab 1177#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1178# ifdef HAS_SOCKETPAIR
1179# undef HAS_SOCKETPAIR
1180# endif
2304df62
AD
1181# ifdef I_NDBM
1182# undef I_NDBM
79072805 1183# endif
a687059c
LW
1184#endif
1185
02fc2eee
NC
1186#ifndef HAS_SOCKETPAIR
1187# ifdef HAS_SOCKET
1188# define socketpair Perl_my_socketpair
1189# endif
1190#endif
1191
a687059c 1192#if INTSIZE == 2
79072805
LW
1193# define htoni htons
1194# define ntohi ntohs
a687059c 1195#else
79072805
LW
1196# define htoni htonl
1197# define ntohi ntohl
a687059c
LW
1198#endif
1199
a0d0e21e 1200/* Configure already sets Direntry_t */
35c8bce7 1201#if defined(I_DIRENT)
663a0e37 1202# include <dirent.h>
8f1f23e8
W
1203 /* NeXT needs dirent + sys/dir.h */
1204# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1205# include <sys/dir.h>
1206# endif
ae986130 1207#else
fe14fcc3 1208# ifdef I_SYS_NDIR
79a0689e 1209# include <sys/ndir.h>
663a0e37 1210# else
fe14fcc3 1211# ifdef I_SYS_DIR
79a0689e
LW
1212# ifdef hp9000s500
1213# include <ndir.h> /* may be wrong in the future */
1214# else
1215# include <sys/dir.h>
1216# endif
663a0e37
LW
1217# endif
1218# endif
4633a7c4 1219#endif
a687059c 1220
12ae5dfc
JH
1221#ifdef PERL_MICRO
1222# ifndef DIR
1223# define DIR void
1224# endif
1225#endif
1226
352d5a3a
LW
1227#ifdef FPUTS_BOTCH
1228/* work around botch in SunOS 4.0.1 and 4.0.2 */
1229# ifndef fputs
79072805 1230# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1231# endif
1232#endif
1233
c623bd54
LW
1234/*
1235 * The following gobbledygook brought to you on behalf of __STDC__.
1236 * (I could just use #ifndef __STDC__, but this is more bulletproof
1237 * in the face of half-implementations.)
1238 */
1239
7114a2d2 1240#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1241#include <sys/mode.h>
1242#endif
1243
c623bd54
LW
1244#ifndef S_IFMT
1245# ifdef _S_IFMT
1246# define S_IFMT _S_IFMT
1247# else
1248# define S_IFMT 0170000
1249# endif
1250#endif
1251
1252#ifndef S_ISDIR
1253# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1254#endif
1255
1256#ifndef S_ISCHR
1257# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1258#endif
1259
1260#ifndef S_ISBLK
fe14fcc3
LW
1261# ifdef S_IFBLK
1262# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1263# else
1264# define S_ISBLK(m) (0)
1265# endif
c623bd54
LW
1266#endif
1267
1268#ifndef S_ISREG
1269# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1270#endif
1271
1272#ifndef S_ISFIFO
fe14fcc3
LW
1273# ifdef S_IFIFO
1274# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1275# else
1276# define S_ISFIFO(m) (0)
1277# endif
c623bd54
LW
1278#endif
1279
1280#ifndef S_ISLNK
1281# ifdef _S_ISLNK
1282# define S_ISLNK(m) _S_ISLNK(m)
1283# else
1284# ifdef _S_IFLNK
1285# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1286# else
1287# ifdef S_IFLNK
1288# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1289# else
1290# define S_ISLNK(m) (0)
1291# endif
1292# endif
1293# endif
1294#endif
1295
1296#ifndef S_ISSOCK
1297# ifdef _S_ISSOCK
1298# define S_ISSOCK(m) _S_ISSOCK(m)
1299# else
1300# ifdef _S_IFSOCK
1301# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1302# else
1303# ifdef S_IFSOCK
1304# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1305# else
1306# define S_ISSOCK(m) (0)
1307# endif
1308# endif
1309# endif
1310#endif
1311
1312#ifndef S_IRUSR
1313# ifdef S_IREAD
1314# define S_IRUSR S_IREAD
1315# define S_IWUSR S_IWRITE
1316# define S_IXUSR S_IEXEC
1317# else
1318# define S_IRUSR 0400
1319# define S_IWUSR 0200
1320# define S_IXUSR 0100
1321# endif
fac7cdfc 1322#endif
1323
1324#ifndef S_IRGRP
1325# ifdef S_IRUSR
1326# define S_IRGRP (S_IRUSR>>3)
1327# define S_IWGRP (S_IWUSR>>3)
1328# define S_IXGRP (S_IXUSR>>3)
1329# else
1330# define S_IRGRP 0040
1331# define S_IWGRP 0020
1332# define S_IXGRP 0010
1333# endif
1334#endif
1335
1336#ifndef S_IROTH
1337# ifdef S_IRUSR
1338# define S_IROTH (S_IRUSR>>6)
1339# define S_IWOTH (S_IWUSR>>6)
1340# define S_IXOTH (S_IXUSR>>6)
1341# else
1342# define S_IROTH 0040
1343# define S_IWOTH 0020
1344# define S_IXOTH 0010
1345# endif
c623bd54
LW
1346#endif
1347
1348#ifndef S_ISUID
1349# define S_ISUID 04000
1350#endif
1351
1352#ifndef S_ISGID
1353# define S_ISGID 02000
1354#endif
1355
ca6e1c26
JH
1356#ifndef S_IRWXU
1357# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1358#endif
ca6e1c26
JH
1359
1360#ifndef S_IRWXG
1361# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1362#endif
ca6e1c26
JH
1363
1364#ifndef S_IRWXO
1365# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1366#endif
ca6e1c26 1367
c21fb2b8
JH
1368/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1369 * which would get included through <sys/file.h >, but that is 3000
1370 * lines in the future. --jhi */
1371
1372#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1373# define S_IREAD S_IRUSR
1374#endif
1375
c21fb2b8 1376#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1377# define S_IWRITE S_IWUSR
1378#endif
1379
1380#ifndef S_IEXEC
1381# define S_IEXEC S_IXUSR
1382#endif
1383
79072805
LW
1384#ifdef ff_next
1385# undef ff_next
352d5a3a
LW
1386#endif
1387
a0d0e21e 1388#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1389# define SLOPPYDIVIDE
1390#endif
1391
748a9306
LW
1392#ifdef UV
1393#undef UV
1394#endif
1395
c89df6bf
JH
1396#ifdef SPRINTF_E_BUG
1397# define sprintf UTS_sprintf_wrap
1398#endif
1399
c495e728
JH
1400/* Configure gets this right but the UTS compiler gets it wrong.
1401 -- Hal Morris <hom00@utsglobal.com> */
1402#ifdef UTS
1403# undef UVTYPE
1404# define UVTYPE unsigned
1405#endif
1406
05f13f53 1407/*
27d4fb96
PP
1408 The IV type is supposed to be long enough to hold any integral
1409 value or a pointer.
1410 --Andy Dougherty August 1996
1411*/
1412
a22e52b9
JH
1413typedef IVTYPE IV;
1414typedef UVTYPE UV;
8175356b 1415
10cc9d2a 1416#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1417# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1418# define IV_MAX INT64_MAX
1419# define IV_MIN INT64_MIN
1420# define UV_MAX UINT64_MAX
cae7ae48
JH
1421# ifndef UINT64_MIN
1422# define UINT64_MIN 0
1423# endif
5ff3f7a4
GS
1424# define UV_MIN UINT64_MIN
1425# else
1426# define IV_MAX PERL_QUAD_MAX
1427# define IV_MIN PERL_QUAD_MIN
1428# define UV_MAX PERL_UQUAD_MAX
1429# define UV_MIN PERL_UQUAD_MIN
1430# endif
cf2093f6
JH
1431# define IV_IS_QUAD
1432# define UV_IS_QUAD
79072805 1433#else
8175356b 1434# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1435# define IV_MAX INT32_MAX
1436# define IV_MIN INT32_MIN
716026f9
DL
1437# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1438# define UV_MAX UINT32_MAX
1439# else
1440# define UV_MAX 4294967295U
1441# endif
cae7ae48
JH
1442# ifndef UINT32_MIN
1443# define UINT32_MIN 0
1444# endif
5ff3f7a4
GS
1445# define UV_MIN UINT32_MIN
1446# else
1447# define IV_MAX PERL_LONG_MAX
1448# define IV_MIN PERL_LONG_MIN
1449# define UV_MAX PERL_ULONG_MAX
1450# define UV_MIN PERL_ULONG_MIN
1451# endif
8175356b 1452# if IVSIZE == 8
cf2093f6
JH
1453# define IV_IS_QUAD
1454# define UV_IS_QUAD
de1c2614
JH
1455# ifndef HAS_QUAD
1456# define HAS_QUAD
1457# endif
cf2093f6
JH
1458# else
1459# undef IV_IS_QUAD
1460# undef UV_IS_QUAD
de1c2614 1461# undef HAS_QUAD
cf2093f6 1462# endif
79072805 1463#endif
d7d93a81 1464
1109a392
MHM
1465#ifndef HAS_QUAD
1466# undef PERL_NEED_MY_HTOLE64
1467# undef PERL_NEED_MY_LETOH64
1468# undef PERL_NEED_MY_HTOBE64
1469# undef PERL_NEED_MY_BETOH64
1470#endif
1471
6cde8aec 1472#if defined(uts) || defined(UTS)
11afe549
HM
1473# undef UV_MAX
1474# define UV_MAX (4294967295u)
20601011
JH
1475#endif
1476
cae7ae48 1477#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1478#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1479
28e5dec8 1480#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1481#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1482#endif
1483
d460ef45 1484/*
26bb67e2
JH
1485 * The macros INT2PTR and NUM2PTR are (despite their names)
1486 * bi-directional: they will convert int/float to or from pointers.
1487 * However the conversion to int/float are named explicitly:
1488 * PTR2IV, PTR2UV, PTR2NV.
1489 *
1490 * For int conversions we do not need two casts if pointers are
1491 * the same size as IV and UV. Otherwise we need an explicit
1492 * cast (PTRV) to avoid compiler warnings.
1493 */
56431972
RB
1494#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1495# define PTRV UV
1496# define INT2PTR(any,d) (any)(d)
1497#else
d460ef45 1498# if PTRSIZE == LONGSIZE
56431972 1499# define PTRV unsigned long
42718184 1500# else
56431972 1501# define PTRV unsigned
42718184 1502# endif
56431972 1503# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1504#endif
56431972
RB
1505#define NUM2PTR(any,d) (any)(PTRV)(d)
1506#define PTR2IV(p) INT2PTR(IV,p)
1507#define PTR2UV(p) INT2PTR(UV,p)
1508#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1509#if PTRSIZE == LONGSIZE
d2560b70
RB
1510# define PTR2ul(p) (unsigned long)(p)
1511#else
1512# define PTR2ul(p) INT2PTR(unsigned long,p)
1513#endif
d460ef45 1514
8141890a
JH
1515/* According to strict ANSI C89 one cannot freely cast between
1516 * data pointers and function (code) pointers. There are at least
1517 * two ways around this. One (used below) is to do two casts,
1518 * first the other pointer to an (unsigned) integer, and then
1519 * the integer to the other pointer. The other way would be
1520 * to use unions to "overlay" the pointers. For an example of
1521 * the latter technique, see union dirpu in struct xpvio in sv.h.
1522 * The only feasible use is probably temporarily storing
1523 * function pointers in a data pointer (such as a void pointer). */
1524
3fbfee08
RB
1525#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
1526#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
8141890a 1527
65202027 1528#ifdef USE_LONG_DOUBLE
1048ea30
JH
1529# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1530# define LONG_DOUBLE_EQUALS_DOUBLE
1531# endif
68d4903c 1532# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1533# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1534# endif
1535#endif
1536
2d4389e4
JH
1537#ifdef OVR_DBL_DIG
1538/* Use an overridden DBL_DIG */
1539# ifdef DBL_DIG
1540# undef DBL_DIG
1541# endif
1542# define DBL_DIG OVR_DBL_DIG
1543#else
1544/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1545 default value for printing floating point numbers in Gconvert
1546 (see config.h). (It also has other uses, such as figuring out if
1547 a given precision of printing can be done with a double instead of
1548 a long double - Allen).
2d4389e4
JH
1549*/
1550#ifdef I_LIMITS
1551#include <limits.h>
1552#endif
1553#ifdef I_FLOAT
1554#include <float.h>
1555#endif
1556#ifndef HAS_DBL_DIG
1557#define DBL_DIG 15 /* A guess that works lots of places */
1558#endif
1559#endif
cbca01e1
JH
1560#ifdef I_FLOAT
1561#include <float.h>
1562#endif
1563#ifndef HAS_DBL_DIG
1564#define DBL_DIG 15 /* A guess that works lots of places */
1565#endif
2d4389e4
JH
1566
1567#ifdef OVR_LDBL_DIG
1568/* Use an overridden LDBL_DIG */
1569# ifdef LDBL_DIG
1570# undef LDBL_DIG
1571# endif
1572# define LDBL_DIG OVR_LDBL_DIG
1573#else
1574/* The following is all to get LDBL_DIG, in order to pick a nice
1575 default value for printing floating point numbers in Gconvert.
1576 (see config.h)
1577*/
68d4903c
JH
1578# ifdef I_LIMITS
1579# include <limits.h>
1580# endif
1581# ifdef I_FLOAT
1582# include <float.h>
1583# endif
1584# ifndef HAS_LDBL_DIG
1585# if LONG_DOUBLESIZE == 10
1586# define LDBL_DIG 18 /* assume IEEE */
1587# else
1588# if LONG_DOUBLESIZE == 12
1589# define LDBL_DIG 18 /* gcc? */
1590# else
1591# if LONG_DOUBLESIZE == 16
1592# define LDBL_DIG 33 /* assume IEEE */
1593# else
1594# if LONG_DOUBLESIZE == DOUBLESIZE
1595# define LDBL_DIG DBL_DIG /* bummer */
1596# endif
1597# endif
1598# endif
1599# endif
1600# endif
2d4389e4
JH
1601#endif
1602
20f6aaab
AS
1603/*
1604 * This is for making sure we have a good DBL_MAX value, if possible,
1605 * either for usage as NV_MAX or for usage in figuring out if we can
1606 * fit a given long double into a double, if bug-fixing makes it
1607 * necessary to do so. - Allen <allens@cpan.org>
1608 */
1609
205f51d8
AS
1610#ifdef I_LIMITS
1611# include <limits.h>
20f6aaab
AS
1612#endif
1613
205f51d8
AS
1614#ifdef I_VALUES
1615# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1616# include <values.h>
1617# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1618# define DBL_MAX MAXDOUBLE
1619# endif
1620# if defined(MINDOUBLE) && !defined(DBL_MIN)
1621# define DBL_MIN MINDOUBLE
1622# endif
1623# endif
1624#endif /* defined(I_VALUES) */
1625
a22e52b9 1626typedef NVTYPE NV;
8175356b 1627
792d8dab
JH
1628#ifdef I_IEEEFP
1629# include <ieeefp.h>
1630#endif
923fc586 1631
65202027 1632#ifdef USE_LONG_DOUBLE
923fc586
JH
1633# ifdef I_SUNMATH
1634# include <sunmath.h>
1635# endif
2d4389e4 1636# define NV_DIG LDBL_DIG
d6c14000
JH
1637# ifdef LDBL_MANT_DIG
1638# define NV_MANT_DIG LDBL_MANT_DIG
1639# endif
06fc1729
JH
1640# ifdef LDBL_MIN
1641# define NV_MIN LDBL_MIN
1642# endif
1643# ifdef LDBL_MAX
1644# define NV_MAX LDBL_MAX
1645# endif
1646# ifdef LDBL_MIN_10_EXP
1647# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1648# endif
1649# ifdef LDBL_MAX_10_EXP
1650# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1651# endif
1652# ifdef LDBL_EPSILON
1653# define NV_EPSILON LDBL_EPSILON
1654# endif
f4a14a62
JH
1655# ifdef LDBL_MAX
1656# define NV_MAX LDBL_MAX
20f6aaab 1657/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1658# else
1659# ifdef HUGE_VALL
1660# define NV_MAX HUGE_VALL
1661# else
1662# ifdef HUGE_VAL
1663# define NV_MAX ((NV)HUGE_VAL)
1664# endif
1665# endif
1666# endif
68d4903c 1667# ifdef HAS_SQRTL
68d4903c
JH
1668# define Perl_cos cosl
1669# define Perl_sin sinl
1670# define Perl_sqrt sqrtl
1671# define Perl_exp expl
1672# define Perl_log logl
1673# define Perl_atan2 atan2l
1674# define Perl_pow powl
1675# define Perl_floor floorl
1bbae031 1676# define Perl_ceil ceill
68d4903c
JH
1677# define Perl_fmod fmodl
1678# endif
a3540c92
JH
1679/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1680# ifdef HAS_MODFL
1681# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1682/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1683 prototype in <math.h> */
1684# ifndef HAS_MODFL_PROTO
a221a8a5 1685EXTERN_C long double modfl(long double, long double *);
51997bc3 1686# endif
03476e8e
JH
1687# else
1688# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1689 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1690# define Perl_modf(x,y) Perl_my_modfl(x,y)
1691# endif
a3540c92
JH
1692# endif
1693# ifdef HAS_FREXPL
dff3e0b8 1694# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1695# else
1696# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1697 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1698# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1699# endif
a3540c92 1700# endif
38dbb4c5 1701# ifndef Perl_isnan
758a5d79
JH
1702# ifdef HAS_ISNANL
1703# define Perl_isnan(x) isnanl(x)
1704# endif
1705# endif
1706# ifndef Perl_isinf
1707# ifdef HAS_FINITEL
1708# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1709# endif
1710# endif
65202027 1711#else
2d4389e4 1712# define NV_DIG DBL_DIG
d6c14000
JH
1713# ifdef DBL_MANT_DIG
1714# define NV_MANT_DIG DBL_MANT_DIG
1715# endif
06fc1729
JH
1716# ifdef DBL_MIN
1717# define NV_MIN DBL_MIN
1718# endif
1719# ifdef DBL_MAX
1720# define NV_MAX DBL_MAX
1721# endif
1722# ifdef DBL_MIN_10_EXP
1723# define NV_MIN_10_EXP DBL_MIN_10_EXP
1724# endif
1725# ifdef DBL_MAX_10_EXP
1726# define NV_MAX_10_EXP DBL_MAX_10_EXP
1727# endif
1728# ifdef DBL_EPSILON
1729# define NV_EPSILON DBL_EPSILON
1730# endif
205f51d8 1731# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1732# define NV_MAX DBL_MAX
1733# define NV_MIN DBL_MIN
1734# else
1735# ifdef HUGE_VAL
1736# define NV_MAX HUGE_VAL
1737# endif
1738# endif
65202027
DS
1739# define Perl_cos cos
1740# define Perl_sin sin
1741# define Perl_sqrt sqrt
1742# define Perl_exp exp
1743# define Perl_log log
1744# define Perl_atan2 atan2
1745# define Perl_pow pow
1746# define Perl_floor floor
1bbae031 1747# define Perl_ceil ceil
65202027 1748# define Perl_fmod fmod
a3540c92 1749# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1750# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1751#endif
1752
1753/* rumor has it that Win32 has _fpclass() */
1754
205f51d8
AS
1755/* SGI has fpclassl... but not with the same result values,
1756 * and it's via a typedef (not via #define), so will need to redo Configure
1757 * to use. Not worth the trouble, IMO, at least until the below is used
1758 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1759 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1760 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1761
758a5d79
JH
1762#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1763# ifdef I_IEEFP
1764# include <ieeefp.h>
1765# endif
1766# ifdef I_FP
1767# include <fp.h>
1768# endif
1769# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1770# define Perl_fp_class() fpclassl(x)
1771# else
1772# define Perl_fp_class() fpclass(x)
1773# endif
1774# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1775# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1776# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1777# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1778# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1779# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1780# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1781# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1782# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1783# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1784# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1785# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1786# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1787# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1788# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1789#endif
1790
7114a2d2 1791#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1792# include <math.h>
1793# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1794# include <fp_class.h>
1795# endif
1796# define Perl_fp_class(x) fp_class(x)
1797# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1798# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1799# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1800# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1801# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1802# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1803# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1804# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1805# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1806# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1807# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1808# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1809# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1810# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1811# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1812#endif
1813
1814#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1815# include <math.h>
1816# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1817# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1818# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1819# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1820# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1821# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1822#endif
1823
1824#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1825# include <math.h>
1826# ifndef _cplusplus
1827# define Perl_fp_class(x) class(x)
1828# else
1829# define Perl_fp_class(x) _class(x)
1830# endif
1831# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1832# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1833# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1834# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1835# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1836# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1837# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1838# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1839# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1840# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1841# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1842# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1843# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1844# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1845# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1846#endif
1847
1848/* rumor has it that Win32 has _isnan() */
1849
1850#ifndef Perl_isnan
a3540c92 1851# ifdef HAS_ISNAN
758a5d79
JH
1852# define Perl_isnan(x) isnan((NV)x)
1853# else
1854# ifdef Perl_fp_class_nan
1855# define Perl_isnan(x) Perl_fp_class_nan(x)
1856# else
1857# ifdef HAS_UNORDERED
1858# define Perl_isnan(x) unordered((x), 0.0)
1859# else
1860# define Perl_isnan(x) ((x)!=(x))
1861# endif
1862# endif
1863# endif
1864#endif
1865
ca6c63e1
JH
1866#ifdef UNDER_CE
1867int isnan(double d);
1868#endif
1869
758a5d79
JH
1870#ifndef Perl_isinf
1871# ifdef HAS_ISINF
1872# define Perl_isinf(x) isinf((NV)x)
a3540c92 1873# else
758a5d79
JH
1874# ifdef Perl_fp_class_inf
1875# define Perl_isinf(x) Perl_fp_class_inf(x)
1876# else
1877# define Perl_isinf(x) ((x)==NV_INF)
1878# endif
1879# endif
1880#endif
1881
1882#ifndef Perl_isfinite
1883# ifdef HAS_FINITE
1884# define Perl_isfinite(x) finite((NV)x)
1885# else
1886# ifdef HAS_ISFINITE
1887# define Perl_isfinite(x) isfinite(x)
1888# else
1889# ifdef Perl_fp_class_finite
1890# define Perl_isfinite(x) Perl_fp_class_finite(x)
1891# else
1892# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1893# endif
1894# endif
a3540c92 1895# endif
65202027
DS
1896#endif
1897
a36244b7
JH
1898/* The default is to use Perl's own atof() implementation (in numeric.c).
1899 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1900 * it is however best to use the native implementation of atof.
1901 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1902 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1903 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1904 * you may need to be using a different function than atof! */
a36244b7
JH
1905
1906#ifndef USE_PERL_ATOF
1907# ifndef _UNICOS
1908# define USE_PERL_ATOF
1909# endif
1910#else
1911# if USE_PERL_ATOF == 0
1912# undef USE_PERL_ATOF
1913# endif
1914#endif
1915
1916#ifdef USE_PERL_ATOF
1917# define Perl_atof(s) Perl_my_atof(s)
1918# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1919#else
1920# define Perl_atof(s) (NV)atof(s)
1921# define Perl_atof2(s, n) ((n) = atof(s))
1922#endif
cf2093f6 1923
d460ef45 1924/* Previously these definitions used hardcoded figures.
760ac839
LW
1925 * It is hoped these formula are more portable, although
1926 * no data one way or another is presently known to me.
1927 * The "PERL_" names are used because these calculated constants
1928 * do not meet the ANSI requirements for LONG_MAX, etc., which
1929 * need to be constants acceptable to #if - kja
1930 * define PERL_LONG_MAX 2147483647L
1931 * define PERL_LONG_MIN (-LONG_MAX - 1)
1932 * define PERL ULONG_MAX 4294967295L
1933 */
1934
1935#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1936# include <limits.h>
760ac839 1937#endif
205f51d8
AS
1938/* Included values.h above if necessary; still including limits.h down here,
1939 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1940
99abf803
PP
1941/*
1942 * Try to figure out max and min values for the integral types. THE CORRECT
1943 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1944 * following hacks are used if neither limits.h or values.h provide them:
1945 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1946 * for types < int: (unsigned TYPE)~(unsigned)0
1947 * The argument to ~ must be unsigned so that later signed->unsigned
1948 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1949 * and it must not be smaller than int because ~ does integral promotion.
1950 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1951 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1952 * The latter is a hack which happens to work on some machines but
1953 * does *not* catch any random system, or things like integer types
1954 * with NaN if that is possible.
1955 *
1956 * All of the types are explicitly cast to prevent accidental loss of
1957 * numeric range, and in the hope that they will be less likely to confuse
1958 * over-eager optimizers.
1959 *
1960 */
27d4fb96 1961
99abf803
PP
1962#define PERL_UCHAR_MIN ((unsigned char)0)
1963
1964#ifdef UCHAR_MAX
1965# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1966#else
99abf803
PP
1967# ifdef MAXUCHAR
1968# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1969# else
99abf803 1970# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1971# endif
1972#endif
d460ef45 1973
99abf803
PP
1974/*
1975 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1976 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1977 * depending on local options. Until Configure detects this (or at least
1978 * detects whether the "signed" keyword is available) the CHAR ranges
1979 * will not be included. UCHAR functions normally.
1980 * - kja
1981 */
27d4fb96 1982
99abf803
PP
1983#define PERL_USHORT_MIN ((unsigned short)0)
1984
1985#ifdef USHORT_MAX
1986# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1987#else
99abf803
PP
1988# ifdef MAXUSHORT
1989# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1990# else
ef2f54b0
CB
1991# ifdef USHRT_MAX
1992# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1993# else
1994# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1995# endif
27d4fb96
PP
1996# endif
1997#endif
1998
27d4fb96 1999#ifdef SHORT_MAX
99abf803 2000# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2001#else
2002# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2003# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2004# else
ef2f54b0
CB
2005# ifdef SHRT_MAX
2006# define PERL_SHORT_MAX ((short)SHRT_MAX)
2007# else
2008# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2009# endif
27d4fb96
PP
2010# endif
2011#endif
2012
2013#ifdef SHORT_MIN
99abf803 2014# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2015#else
2016# ifdef MINSHORT
99abf803 2017# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2018# else
ef2f54b0
CB
2019# ifdef SHRT_MIN
2020# define PERL_SHORT_MIN ((short)SHRT_MIN)
2021# else
2022# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2023# endif
27d4fb96
PP
2024# endif
2025#endif
2026
99abf803
PP
2027#ifdef UINT_MAX
2028# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2029#else
99abf803
PP
2030# ifdef MAXUINT
2031# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2032# else
99abf803 2033# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2034# endif
2035#endif
2036
99abf803 2037#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2038
2039#ifdef INT_MAX
99abf803 2040# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2041#else
2042# ifdef MAXINT /* Often used in <values.h> */
99abf803 2043# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2044# else
99abf803 2045# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2046# endif
2047#endif
2048
2049#ifdef INT_MIN
99abf803 2050# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2051#else
2052# ifdef MININT
99abf803 2053# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2054# else
2055# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2056# endif
2057#endif
2058
99abf803
PP
2059#ifdef ULONG_MAX
2060# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2061#else
99abf803
PP
2062# ifdef MAXULONG
2063# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2064# else
99abf803 2065# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2066# endif
2067#endif
2068
99abf803 2069#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2070
760ac839 2071#ifdef LONG_MAX
99abf803 2072# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2073#else
2074# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2075# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2076# else
99abf803 2077# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2078# endif
2079#endif
2080
2081#ifdef LONG_MIN
99abf803 2082# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2083#else
2084# ifdef MINLONG
99abf803 2085# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2086# else
27d4fb96 2087# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2088# endif
2089#endif
2090
d7d93a81 2091#ifdef UV_IS_QUAD
99abf803 2092
99abf803 2093# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2094# define PERL_UQUAD_MIN ((UV)0)
99abf803 2095# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2096# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2097
79072805
LW
2098#endif
2099
22f7c9c9
JH
2100#ifdef MYMALLOC
2101# include "malloc_ctl.h"
2102#endif
2103
830247a4 2104struct RExC_state_t;
880b20b6 2105
ee0007ab 2106typedef MEM_SIZE STRLEN;
450a55e4 2107
79072805
LW
2108typedef struct op OP;
2109typedef struct cop COP;
2110typedef struct unop UNOP;
2111typedef struct binop BINOP;
2112typedef struct listop LISTOP;
2113typedef struct logop LOGOP;
79072805
LW
2114typedef struct pmop PMOP;
2115typedef struct svop SVOP;
7934575e 2116typedef struct padop PADOP;
79072805 2117typedef struct pvop PVOP;
79072805
LW
2118typedef struct loop LOOP;
2119
93a17b20 2120typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2121
2122/* Amdahl's <ksync.h> has struct sv */
2123/* SGI's <sys/sema.h> has struct sv */
2124#if defined(UTS) || defined(__sgi)
2125# define STRUCT_SV perl_sv
b8d3c5db
JH
2126#else
2127# define STRUCT_SV sv
2128#endif
2129typedef struct STRUCT_SV SV;
79072805
LW
2130typedef struct av AV;
2131typedef struct hv HV;
2132typedef struct cv CV;
378cc40b 2133typedef struct regexp REGEXP;
79072805 2134typedef struct gp GP;
0c30d9ec 2135typedef struct gv GV;
8990e307 2136typedef struct io IO;
c09156bb 2137typedef struct context PERL_CONTEXT;
79072805
LW
2138typedef struct block BLOCK;
2139
2140typedef struct magic MAGIC;
2141typedef struct xpv XPV;
2142typedef struct xpviv XPVIV;
ff68c719 2143typedef struct xpvuv XPVUV;
79072805
LW
2144typedef struct xpvnv XPVNV;
2145typedef struct xpvmg XPVMG;
2146typedef struct xpvlv XPVLV;
2147typedef struct xpvav XPVAV;
2148typedef struct xpvhv XPVHV;
2149typedef struct xpvgv XPVGV;
2150typedef struct xpvcv XPVCV;
2151typedef struct xpvbm XPVBM;
2152typedef struct xpvfm XPVFM;
8990e307 2153typedef struct xpvio XPVIO;
79072805
LW
2154typedef struct mgvtbl MGVTBL;
2155typedef union any ANY;
5f7fde29
GS
2156typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2157typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2158typedef struct clone_params CLONE_PARAMS;
2159
378cc40b 2160#include "handy.h"
a0d0e21e 2161
6b8eaf93 2162#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2163# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2164# define USE_64_BIT_RAWIO /* implicit */
2165# endif
4564133c
JH
2166#endif
2167
6b8eaf93
JH
2168/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2169 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2170 * however, because operating systems like to do that themself. */
2171#ifndef FSEEKSIZE
2172# ifdef HAS_FSEEKO
2173# define FSEEKSIZE LSEEKSIZE
2174# else
2175# define FSEEKSIZE LONGSIZE
d460ef45 2176# endif
6b8eaf93
JH
2177#endif
2178
2179#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2180# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2181# define USE_64_BIT_STDIO /* implicit */
2182# endif
2183#endif
4564133c 2184
09458382 2185#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2186# ifdef HAS_OFF64_T
2187# undef Off_t
2188# define Off_t off64_t
2189# undef LSEEKSIZE
2190# define LSEEKSIZE 8
5ff3f7a4 2191# endif
d9b3e12d
JH
2192/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2193 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2194 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2195# if defined(USE_OPEN64)
2196# define open open64
5ff3f7a4 2197# endif
d9b3e12d
JH
2198# if defined(USE_LSEEK64)
2199# define lseek lseek64
6b8eaf93
JH
2200# else
2201# if defined(USE_LLSEEK)
2202# define lseek llseek
2203# endif
d9b3e12d
JH
2204# endif
2205# if defined(USE_STAT64)
2206# define stat stat64
2207# endif
2208# if defined(USE_FSTAT64)
2209# define fstat fstat64
2210# endif
2211# if defined(USE_LSTAT64)
2212# define lstat lstat64
2213# endif
2214# if defined(USE_FLOCK64)
2215# define flock flock64
2216# endif
2217# if defined(USE_LOCKF64)
2218# define lockf lockf64
2219# endif
2220# if defined(USE_FCNTL64)
2221# define fcntl fcntl64
2222# endif
2223# if defined(USE_TRUNCATE64)
2224# define truncate truncate64
2225# endif
2226# if defined(USE_FTRUNCATE64)
2227# define ftruncate ftruncate64
2228# endif
2229#endif
2230
2231#ifdef USE_64_BIT_STDIO
2232# ifdef HAS_FPOS64_T
2233# undef Fpos_t
2234# define Fpos_t fpos64_t
2235# endif
2236/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2237 * will trigger defines like the ones below. Some 64-bit environments,
2238 * however, do not. */
2239# if defined(USE_FOPEN64)
2240# define fopen fopen64
2241# endif
2242# if defined(USE_FSEEK64)
6b8eaf93 2243# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2244# endif
2245# if defined(USE_FTELL64)
6b8eaf93 2246# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2247# endif
2248# if defined(USE_FSETPOS64)
2249# define fsetpos fsetpos64
2250# endif
2251# if defined(USE_FGETPOS64)
2252# define fgetpos fgetpos64
2253# endif
2254# if defined(USE_TMPFILE64)
2255# define tmpfile tmpfile64
2256# endif
2257# if defined(USE_FREOPEN64)
2258# define freopen freopen64
5ff3f7a4
GS
2259# endif
2260#endif
2261
af8b425d 2262#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2263# include "iperlsys.h"
2264#endif
2265
6f71a643 2266#if defined(__OPEN_VM)
19848b3f
JH
2267# include "vmesa/vmesaish.h"
2268# define ISHISH "vmesa"
6f71a643
JH
2269#endif
2270
748a9306 2271#ifdef DOSISH
19848b3f
JH
2272# if defined(OS2)
2273# include "os2ish.h"
2274# else
2275# include "dosish.h"
2276# endif
2277# define ISHISH "dos"
2278#endif
2279
2280#if defined(VMS)
748a9306 2281# include "vmsish.h"
96e176bf 2282# include "embed.h"
19848b3f
JH
2283# define ISHISH "vms"
2284#endif
2285
2286#if defined(PLAN9)
2287# include "./plan9/plan9ish.h"
2288# define ISHISH "plan9"
2289#endif
2290
2291#if defined(MPE)
2292# include "mpeix/mpeixish.h"
2293# define ISHISH "mpeix"
2294#endif
2295
2296#if defined(__VOS__)
196918b0
PG
2297# ifdef __GNUC__
2298# include "./vos/vosish.h"
2299# else
2300# include "vos/vosish.h"
2301# endif
19848b3f
JH
2302# define ISHISH "vos"
2303#endif
2304
2305#if defined(EPOC)
2306# include "epocish.h"
2307# define ISHISH "epoc"
2308#endif
2309
27da23d5
JH
2310#ifdef SYMBIAN
2311# include "symbian/symbianish.h"
2312# include "embed.h"
2313# define ISHISH "symbian"
2314#endif
2315
19848b3f
JH
2316#if defined(MACOS_TRADITIONAL)
2317# include "macos/macish.h"
2318# ifndef NO_ENVIRON_ARRAY
2319# define NO_ENVIRON_ARRAY
0c30d9ec 2320# endif
19848b3f
JH
2321# define ISHISH "macos classic"
2322#endif
2323
efca5cc6
JH
2324#if defined(__BEOS__)
2325# include "beos/beosish.h"
2326# define ISHISH "beos"
2327#endif
2328
19848b3f
JH
2329#ifndef ISHISH
2330# include "unixish.h"
2331# define ISHISH "unix"
13b6e58c
JH
2332#endif
2333
2334#ifndef NO_ENVIRON_ARRAY
2335# define USE_ENVIRON_ARRAY
2336#endif
32f822de 2337
c77b533b
JH
2338/*
2339 * initialise to avoid floating-point exceptions from overflow, etc
2340 */
2341#ifndef PERL_FPU_INIT
2342# ifdef HAS_FPSETMASK
2343# if HAS_FLOATINGPOINT_H
2344# include <floatingpoint.h>
2345# endif
2346# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2347# else
2f42fcb0 2348# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2349# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2350# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2351# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2352# else
2353# define PERL_FPU_INIT
2f42fcb0 2354
7014c407 2355# endif
c77b533b
JH
2356# endif
2357#endif
b35112e7
CS
2358#ifndef PERL_FPU_PRE_EXEC
2359# define PERL_FPU_PRE_EXEC {
2360# define PERL_FPU_POST_EXEC }
2361#endif
c77b533b 2362
ed344e4f
IZ
2363#ifndef PERL_SYS_INIT3
2364# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2365#endif
2366
be708cc0
JH
2367#ifndef PERL_WRITE_MSG_TO_CONSOLE
2368# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2369#endif
2370
0f31cffe
GS
2371#ifndef MAXPATHLEN
2372# ifdef PATH_MAX
b990c8b2
JH
2373# ifdef _POSIX_PATH_MAX
2374# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2375/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2376 * included the null byte or not. Later amendments of POSIX,
2377 * XPG4, the Austin Group, and the Single UNIX Specification
2378 * all explicitly include the null byte in the PATH_MAX.
2379 * Ditto for _POSIX_PATH_MAX. */
2380# define MAXPATHLEN PATH_MAX
b990c8b2 2381# else
09448d78 2382# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2383# endif
2384# else
2385# define MAXPATHLEN (PATH_MAX+1)
2386# endif
0f31cffe 2387# else
b990c8b2 2388# ifdef _POSIX_PATH_MAX
09448d78 2389# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2390# else
2391# define MAXPATHLEN 1024 /* Err on the large side. */
2392# endif
0f31cffe
GS
2393# endif
2394#endif
2395
c80263a8
SH
2396/* In case Configure was not used (we are using a "canned config"
2397 * such as Win32, or a cross-compilation setup, for example) try going
2398 * by the gcc major and minor versions. One useful URL is
2399 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2400 * but contrary to this information warn_unused_result seems
2401 * not to be in gcc 3.3.5, at least. --jhi
2402 * Set these up now otherwise we get confused when some of the <*thread.h>
2403 * includes below indirectly pull in <perlio.h> (which needs to know if we
2404 * have HASATTRIBUTE_FORMAT).
2405 */
2406
2407#if defined __GNUC__
2408# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2409# define HASATTRIBUTE_FORMAT
2410# endif
2411# if __GNUC__ >= 3 /* 3.0 -> */
2412# define HASATTRIBUTE_MALLOC
2413# endif
2414# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2415# define HASATTRIBUTE_NONNULL
2416# endif
2417# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2418# define HASATTRIBUTE_NORETURN
2419# endif
2420# if __GNUC__ >= 3 /* gcc 3.0 -> */
2421# define HASATTRIBUTE_PURE
2422# endif
2423# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2424# define HASATTRIBUTE_UNUSED
2425# endif
2426# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2427# define HASATTRIBUTE_WARN_UNUSED_RESULT
2428# endif
2429#endif
2430
3db8f154 2431/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2432 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2433 * this results in many functions being undeclared which bothers C++
2434 * May make sense to have threads after "*ish.h" anyway
2435 */
2436
3db8f154 2437#if defined(USE_ITHREADS)
2986a63f
JH
2438# ifdef NETWARE
2439# include <nw5thread.h>
2440# else
32f822de
GS
2441# ifdef FAKE_THREADS
2442# include "fakethr.h"
2443# else
2444# ifdef WIN32
2445# include <win32thread.h>
2446# else
dd96f567
IZ
2447# ifdef OS2
2448# include "os2thread.h"
2449# else
7f3d1cf1 2450# ifdef I_MACH_CTHREADS
bdd66968 2451# include <mach/cthreads.h>
8f1f23e8 2452# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2453# define MUTEX_INIT_CALLS_MALLOC
2454# endif
7f3d1cf1
BH
2455typedef cthread_t perl_os_thread;
2456typedef mutex_t perl_mutex;
2457typedef condition_t perl_cond;
2458typedef void * perl_key;
2459# else /* Posix threads */
1f5ae88c
JH
2460# ifdef I_PTHREAD
2461# include <pthread.h>
2462# endif
7f3d1cf1
BH
2463typedef pthread_t perl_os_thread;
2464typedef pthread_mutex_t perl_mutex;
2465typedef pthread_cond_t perl_cond;
2466typedef pthread_key_t perl_key;
2467# endif /* I_MACH_CTHREADS */
dd96f567 2468# endif /* OS2 */
32f822de
GS
2469# endif /* WIN32 */
2470# endif /* FAKE_THREADS */
2986a63f 2471#endif /* NETWARE */
3db8f154 2472#endif /* USE_ITHREADS */
c5be433b 2473
66a93824 2474#if defined(WIN32)
1feb2720 2475# include "win32.h"
c5be433b
GS
2476#endif
2477
2986a63f
JH
2478#ifdef NETWARE
2479# include "netware.h"
2480#endif
2481
e5218da5 2482#define STATUS_UNIX PL_statusvalue
68dc0745 2483#ifdef VMS
6b88bc9c 2484# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2485# define STATUS_NATIVE_EXPORT \
d98f61e7 2486 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2487# define STATUS_NATIVE_SET(n) \
2488 STMT_START { \
6b88bc9c
GS
2489 PL_statusvalue_vms = (n); \
2490 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2491 PL_statusvalue = -1; \
6b88bc9c 2492 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2493 PL_statusvalue = 0; \
6b88bc9c
GS
2494 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2495 PL_statusvalue = 1 << 8; \
68dc0745 2496 else \
6b88bc9c 2497 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2498 } STMT_END
68dc0745 2499# ifdef VMSISH_STATUS
e5218da5 2500# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2501# else
e5218da5 2502# define STATUS_CURRENT STATUS_UNIX
68dc0745 2503# endif
e5218da5 2504# define STATUS_UNIX_SET(n) \
68dc0745 2505 STMT_START { \
3280af22
NIS
2506 PL_statusvalue = (n); \
2507 if (PL_statusvalue != -1) { \
2508 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2509 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2510 } \
6b88bc9c 2511 else PL_statusvalue_vms = -1; \
68dc0745 2512 } STMT_END
6b88bc9c
GS
2513# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2514# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2515#else
e5218da5
GA
2516# define STATUS_NATIVE PL_statusvalue_posix
2517# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2518# if defined(WCOREDUMP)
2519# define STATUS_NATIVE_SET(n) \
2520 STMT_START { \
2521 PL_statusvalue_posix = (n); \
2522 if (PL_statusvalue_posix == -1) \
2523 PL_statusvalue = -1; \
2524 else { \
2525 PL_statusvalue = \
2526 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2527 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2528 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2529 } \
2530 } STMT_END
2531# elif defined(WIFEXITED)
2532# define STATUS_NATIVE_SET(n) \
2533 STMT_START { \
2534 PL_statusvalue_posix = (n); \
2535 if (PL_statusvalue_posix == -1) \
2536 PL_statusvalue = -1; \
2537 else { \
2538 PL_statusvalue = \
2539 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2540 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2541 } \
2542 } STMT_END
2543# else
2544# define STATUS_NATIVE_SET(n) \
2545 STMT_START { \
2546 PL_statusvalue_posix = (n); \
2547 if (PL_statusvalue_posix == -1) \
2548 PL_statusvalue = -1; \
2549 else { \
2550 PL_statusvalue = \
2551 PL_statusvalue_posix & 0xFFFF; \
2552 } \
2553 } STMT_END
2554# endif
2555# define STATUS_UNIX_SET(n) \
68dc0745 2556 STMT_START { \
3280af22 2557 PL_statusvalue = (n); \
e5218da5 2558 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2559 if (PL_statusvalue != -1) \
2560 PL_statusvalue &= 0xFFFF; \
68dc0745 2561 } STMT_END
e5218da5
GA
2562# define STATUS_CURRENT STATUS_UNIX
2563# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2564# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2565#endif
2566
cc3604b1
GS
2567/* flags in PL_exit_flags for nature of exit() */
2568#define PERL_EXIT_EXPECTED 0x01
31d77e54 2569#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2570
0b94c7bb 2571#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2572# define MEMBER_TO_FPTR(name) name
2573#endif
2574
2575/* format to use for version numbers in file/directory names */
273cf8d1 2576/* XXX move to Configure? */
a7cb1f99 2577#ifndef PERL_FS_VER_FMT
273cf8d1 2578# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2579#endif
2580
45bc9206 2581/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2582 * performance issue, so we allow people to disable it. Also, if
2583 * we are using stdio, there are broken implementations of fflush(NULL)
2584 * out there, Solaris being the most prominent.
45bc9206
GS
2585 */
2586#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2587# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2588# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2589# else
2590# ifdef FFLUSH_ALL
2591# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2592# else
c5be433b 2593# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2594# endif
66fe083f 2595# endif
45bc9206
GS
2596#endif
2597
7766f137
GS
2598#ifndef PERL_WAIT_FOR_CHILDREN
2599# define PERL_WAIT_FOR_CHILDREN NOOP
2600#endif
2601
ba869deb 2602/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2603#ifndef PERL_SET_INTERP
2604# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2605#endif
2606
2607#ifndef PERL_GET_INTERP
2608# define PERL_GET_INTERP (PL_curinterp)
2609#endif
2610
54aff467 2611#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2612# ifdef MULTIPLICITY
ba869deb 2613# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2614# endif
ba869deb
GS
2615# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2616#endif
2617
8896765a
RB
2618/*
2619 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2620 All that is required is that the perl source does not
8896765a
RB
2621 use "%-p" or "%-<number>p" or "%<number>p" formats.
2622 These formats will still work in perl code.
2623 See comments in sv.c for futher details.
2624
2625 -DvdNUMBER=<number> can be used to redefine VDf
2626
2627 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2628 which works properly but gives compiler warnings
2629
2630 Robin Barker 2005-07-14
0dbb1585 2631*/
8896765a
RB
2632
2633#ifndef SVf_
2634# define SVf_(n) "-" #n "p"
894356b3
GS
2635#endif
2636
8896765a 2637#ifndef SVf
104abab4 2638# define SVf "-p"
d2560b70
RB
2639#endif
2640
014ead4b 2641#ifndef SVf32
8896765a 2642# define SVf32 SVf_(32)
014ead4b
RB
2643#endif
2644
2645#ifndef SVf256
8896765a
RB
2646# define SVf256 SVf_(256)
2647#endif
2648
2649#ifndef vdNUMBER
2650# define vdNUMBER 1
2651#endif
2652
2653#ifndef VDf
2654# if vdNUMBER
2655# define vdFORMAT(n) #n "p"
2656# define VDf_(n) vdFORMAT(n)
2657# define VDf VDf_(vdNUMBER)
2658# else
2659# define VDf "vd"
2660# endif
014ead4b
RB
2661#endif
2662
2663#ifndef UVf
2664# define UVf UVuf
d2560b70
RB
2665#endif
2666
5df617be 2667#ifndef DieNull
0dbb1585 2668# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2669#endif
2670
0dbb1585
AL
2671#ifdef HASATTRIBUTE_FORMAT
2672# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2673#endif
2674#ifdef HASATTRIBUTE_MALLOC
77785eea 2675# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2676#endif
0dbb1585 2677#ifdef HASATTRIBUTE_NONNULL
abb2c242 2678# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2679#endif
0dbb1585 2680#ifdef HASATTRIBUTE_NORETURN
abb2c242 2681# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2682#endif
0dbb1585 2683#ifdef HASATTRIBUTE_PURE
abb2c242 2684# define __attribute__pure__ __attribute__((pure))
f22be1b8 2685#endif
0dbb1585
AL
2686#ifdef HASATTRIBUTE_UNUSED
2687# define __attribute__unused__ __attribute__((unused))
2688#endif
2689#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2690# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2691#endif
2692
0dbb1585
AL
2693/* If we haven't defined the attributes yet, define them to blank. */
2694#ifndef __attribute__format__
2695# define __attribute__format__(x,y,z)
2696#endif
f22be1b8 2697#ifndef __attribute__malloc__
abb2c242 2698# define __attribute__malloc__
f22be1b8
JH
2699#endif
2700#ifndef __attribute__nonnull__
abb2c242 2701# define __attribute__nonnull__(a)
f22be1b8
JH
2702#endif
2703#ifndef __attribute__noreturn__
abb2c242 2704# define __attribute__noreturn__
f22be1b8
JH
2705#endif
2706#ifndef __attribute__pure__
abb2c242 2707# define __attribute__pure__
f22be1b8 2708#endif
0dbb1585
AL
2709#ifndef __attribute__unused__
2710# define __attribute__unused__
2711#endif
f22be1b8 2712#ifndef __attribute__warn_unused_result__
abb2c242
JH
2713# define __attribute__warn_unused_result__
2714#endif
2715
0dbb1585
AL
2716/* For functions that are marked as __attribute__noreturn__, it's not
2717 appropriate to call return. In either case, include the lint directive.
2718 */
2719#ifdef HASATTRIBUTE_NORETURN
2720# define NORETURN_FUNCTION_END /* NOT REACHED */
2721#else
2722# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2723#endif
2724
3fc1aec6
PP
2725/* Some unistd.h's give a prototype for pause() even though
2726 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2727 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2728*/
2729#ifdef HAS_PAUSE
2730#define Pause pause
2731#else
2732#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2733#endif
2734
2735#ifndef IOCPARM_LEN
2736# ifdef IOCPARM_MASK
2737 /* on BSDish systes we're safe */
2738# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2739# else
2740 /* otherwise guess at what's safe */
2741# define IOCPARM_LEN(x) 256
2742# endif
a0d0e21e
LW
2743#endif
2744
1761cee5 2745#if defined(__CYGWIN__)
521e0776
GS
2746/* USEMYBINMODE
2747 * This symbol, if defined, indicates that the program should
16fe6d59 2748 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2749 * that a file is in "binary" mode -- that is, that no translation
2750 * of bytes occurs on read or write operations.
2751 */
36894f0b 2752# define USEMYBINMODE /**/
77a40698 2753# include <io.h> /* for setmode() prototype */
16fe6d59 2754# define my_binmode(fp, iotype, mode) \
77a40698 2755 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2756#endif
2757
88d10794
JH
2758#ifdef __CYGWIN__
2759void init_os_extras(void);
2760#endif
2761
cea2e8a9
GS
2762#ifdef UNION_ANY_DEFINITION
2763UNION_ANY_DEFINITION;
2764#else
2765union any {
2766 void* any_ptr;
2767 I32 any_i32;
2768 IV any_iv;
2769 long any_long;
9febdf04 2770 bool any_bool;
c76ac1ee 2771 void (*any_dptr) (void*);
acfe0abc 2772 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2773};
2774#endif
2775
acfe0abc 2776typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2777
2778#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2779#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2780#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2781
c5078cac
JH
2782#if defined(_AIX) && !defined(_AIX43)
2783#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2784/* We cannot include <crypt.h> to get the struct crypt_data
2785 * because of setkey prototype problems when threading */
2786typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2787 /* From OSF, Not needed in AIX
2788 char C[28], D[28];
2789 */
2790 char E[48];
2791 char KS[16][48];
2792 char block[66];
2793 char iobuf[16];
2794} CRYPTD;
2795#endif /* threading */
2796#endif /* AIX */
2797
af8b425d 2798#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2799# include "iperlsys.h"
2800#endif
504f80c1 2801
d10dc2ae
JH
2802/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2803 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2804 * defined by Configure, despite their names being similar to the
2805 * other defines like USE_ITHREADS. Configure in fact knows nothing
2806 * about the randomised hashes. Therefore to enable/disable the hash
2807 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2808#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2809# define USE_HASH_SEED
504f80c1
JH
2810#endif
2811
378cc40b 2812#include "regexp.h"
79072805 2813#include "sv.h"
378cc40b 2814#include "util.h"
8d063cd8 2815#include "form.h"
79072805 2816#include "gv.h"
dd2155a4 2817#include "pad.h"
79072805 2818#include "cv.h"
abdd5c84 2819#include "opnames.h"
79072805
LW
2820#include "op.h"
2821#include "cop.h"
2822#include "av.h"
2823#include "hv.h"
2824#include "mg.h"
2825#include "scope.h"
4438c4b7 2826#include "warnings.h"
a0ed51b3 2827#include "utf8.h"
8d063cd8 2828
7fae4e64
GS
2829/* Current curly descriptor */
2830typedef struct curcur CURCUR;
2831struct curcur {
2832 int parenfloor; /* how far back to strip paren data */
2833 int cur; /* how many instances of scan we've matched */
2834 int min; /* the minimal number of scans to match */
2835 int max; /* the maximal number of scans to match */
2836 int minmod; /* whether to work our way up or down */
2837 regnode * scan; /* the thing to match */
2838 regnode * next; /* what has to match after it */
2839 char * lastloc; /* where we started matching this scan */
2840 CURCUR * oldcc; /* current curly before we started this one */
2841};
2842
2843typedef struct _sublex_info SUBLEXINFO;
2844struct _sublex_info {
2845 I32 super_state; /* lexer state to save */
2846 I32 sub_inwhat; /* "lex_inwhat" to use */
2847 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2848 char *super_bufptr; /* PL_bufptr that was */
2849 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2850};
2851
455ece5e 2852typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2853
2c2d71f5 2854struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2855struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2856
2857typedef I32 CHECKPOINT;
76e3520e 2858
6f51351d
NC
2859/* Keep next first in this structure, because sv_free_arenas take
2860 advantage of this to share code between the pte arenas and the SV
2861 body arenas */
5f7fde29
GS
2862struct ptr_tbl_ent {
2863 struct ptr_tbl_ent* next;
53c1dcc0 2864 const void* oldval;
5f7fde29 2865 void* newval;
d18c6117
GS
2866};
2867
5f7fde29
GS
2868struct ptr_tbl {
2869 struct ptr_tbl_ent** tbl_ary;
2870 UV tbl_max;
2871 UV tbl_items;
d18c6117
GS
2872};
2873
450a55e4 2874#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2875# define I286
2876#endif
2877
fe14fcc3
LW
2878#if defined(htonl) && !defined(HAS_HTONL)
2879#define HAS_HTONL
ae986130 2880#endif
fe14fcc3
LW
2881#if defined(htons) && !defined(HAS_HTONS)
2882#define HAS_HTONS
ae986130 2883#endif
fe14fcc3
LW
2884#if defined(ntohl) && !defined(HAS_NTOHL)
2885#define HAS_NTOHL
ae986130 2886#endif
fe14fcc3
LW
2887#if defined(ntohs) && !defined(HAS_NTOHS)
2888#define HAS_NTOHS
ae986130 2889#endif
fe14fcc3 2890#ifndef HAS_HTONL
d9d8d8de 2891#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2892#define HAS_HTONS
2893#define HAS_HTONL
2894#define HAS_NTOHS
2895#define HAS_NTOHL
a687059c
LW
2896#define MYSWAP
2897#define htons my_swap
2898#define htonl my_htonl
2899#define ntohs my_swap
2900#define ntohl my_ntohl
2901#endif
2902#else
d9d8d8de 2903#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2904#undef HAS_HTONS
2905#undef HAS_HTONL
2906#undef HAS_NTOHS
2907#undef HAS_NTOHL
a687059c
LW
2908#endif
2909#endif
2910
988174c1
LW
2911/*
2912 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2913 * -DWS
2914 */
2915#if BYTEORDER != 0x1234
2916# define HAS_VTOHL
2917# define HAS_VTOHS
2918# define HAS_HTOVL
2919# define HAS_HTOVS
c67712b2 2920# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2921# define vtohl(x) ((((x)&0xFF)<<24) \
2922 +(((x)>>24)&0xFF) \
2923 +(((x)&0x0000FF00)<<8) \
2924 +(((x)&0x00FF0000)>>8) )
2925# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2926# define htovl(x) vtohl(x)
2927# define htovs(x) vtohs(x)
2928# endif
2929 /* otherwise default to functions in util.c */
2a8c3029 2930#ifndef htovs
c623ac67
GS
2931short htovs(short n);
2932short vtohs(short n);
2933long htovl(long n);
2934long vtohl(long n);
988174c1 2935#endif
2a8c3029 2936#endif
988174c1 2937
3bb7c1b4
JH
2938/* *MAX Plus 1. A floating point value.
2939 Hopefully expressed in a way that dodgy floating point can't mess up.
2940 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2941 is added to it
2942 May find that some broken compiler will want the value cast to I32.
2943 [after the shift, as signed >> may not be as secure as unsigned >>]
2944*/
2945#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2946#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2947/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2948 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2949 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2950*/
2951#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2952
3bb7c1b4
JH
2953#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2954#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2955#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2956
2957/* This may look like unnecessary jumping through hoops, but converting
2958 out of range floating point values to integers *is* undefined behaviour,
2959 and it is starting to bite.
2960*/
2961#ifndef CAST_INLINE
65202027 2962#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2963#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2964#define I_V(what) (cast_iv((NV)(what)))
2965#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2966#else
2967#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2968 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2969 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2970#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2971 : ((n) < U32_MAX_P1 ? (U32) (n) \
2972 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2973#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2974 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2975 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2976#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2977 : ((n) < UV_MAX_P1 ? (UV) (n) \
2978 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2979#endif
2980
2981#define U_S(what) ((U16)U_32(what))
2982#define U_I(what) ((unsigned int)U_32(what))
2983#define U_L(what) U_32(what)
ed6116ce 2984
2d4389e4
JH
2985/* These do not care about the fractional part, only about the range. */
2986#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2987#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2988
25da4f38
IZ
2989/* Used with UV/IV arguments: */
2990 /* XXXX: need to speed it up */
2991#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2992#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2993
352d5a3a
LW
2994#ifndef MAXSYSFD
2995# define MAXSYSFD 2
2996#endif
ee0007ab 2997
79072805 2998#ifndef __cplusplus
27da23d5 2999#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3000Uid_t getuid (void);
3001Uid_t geteuid (void);
3002Gid_t getgid (void);
3003Gid_t getegid (void);
79072805 3004#endif
e1caacb4 3005#endif
8d063cd8 3006
0c30d9ec 3007#ifndef Perl_debug_log
bf49b057
GS
3008# define Perl_debug_log PerlIO_stderr()
3009#endif
3010
3011#ifndef Perl_error_log
3012# define Perl_error_log (PL_stderrgv \
6b78add2 3013 && isGV(PL_stderrgv) \
01bb7c6d 3014 && GvIOp(PL_stderrgv) \
42de951c 3015 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3016 ? IoOFP(GvIOp(PL_stderrgv)) \
3017 : PerlIO_stderr())
0c30d9ec 3018#endif
3967c732 3019
aea4f609
DM
3020
3021#define DEBUG_p_FLAG 0x00000001 /* 1 */
3022#define DEBUG_s_FLAG 0x00000002 /* 2 */
3023#define DEBUG_l_FLAG 0x00000004 /* 4 */
3024#define DEBUG_t_FLAG 0x00000008 /* 8 */
3025#define DEBUG_o_FLAG 0x00000010 /* 16 */
3026#define DEBUG_c_FLAG 0x00000020 /* 32 */
3027#define DEBUG_P_FLAG 0x00000040 /* 64 */
3028#define DEBUG_m_FLAG 0x00000080 /* 128 */
3029#define DEBUG_f_FLAG 0x00000100 /* 256 */
3030#define DEBUG_r_FLAG 0x00000200 /* 512 */
3031#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3032#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3033 /* spare */
aea4f609
DM
3034#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3035#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3036#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3037#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3038#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3039#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3040#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3041#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3042#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3043#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3044#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3045#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3046
3047#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3048#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3049 that something was done? */
aea4f609 3050
bd16a5f0
IZ
3051# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3052# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3053# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3054# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3055# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3056# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3057# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3058# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3059# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3060# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3061# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3062# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3063# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3064# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3065# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3066# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3067# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3068# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3069# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3070# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3071# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3072# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3073# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3074# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3075
3967c732 3076#ifdef DEBUGGING
aea4f609 3077
bd16a5f0
IZ
3078# define DEBUG_p_TEST DEBUG_p_TEST_
3079# define DEBUG_s_TEST DEBUG_s_TEST_
3080# define DEBUG_l_TEST DEBUG_l_TEST_
3081# define DEBUG_t_TEST DEBUG_t_TEST_
3082# define DEBUG_o_TEST DEBUG_o_TEST_
3083# define DEBUG_c_TEST DEBUG_c_TEST_
3084# define DEBUG_P_TEST DEBUG_P_TEST_
3085# define DEBUG_m_TEST DEBUG_m_TEST_
3086# define DEBUG_f_TEST DEBUG_f_TEST_
3087# define DEBUG_r_TEST DEBUG_r_TEST_
3088# define DEBUG_x_TEST DEBUG_x_TEST_
3089# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3090# define DEBUG_H_TEST DEBUG_H_TEST_
3091# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3092# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3093# define DEBUG_D_TEST DEBUG_D_TEST_
3094# define DEBUG_S_TEST DEBUG_S_TEST_
3095# define DEBUG_T_TEST DEBUG_T_TEST_
3096# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3097# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3098# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3099# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3100# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3101# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3102
488b0c7a
JH
3103# define PERL_DEB(a) a
3104# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3105# define DEBUG_p(a) if (DEBUG_p_TEST) a
3106# define DEBUG_s(a) if (DEBUG_s_TEST) a
3107# define DEBUG_l(a) if (DEBUG_l_TEST) a
3108# define DEBUG_t(a) if (DEBUG_t_TEST) a
3109# define DEBUG_o(a) if (DEBUG_o_TEST) a
3110# define DEBUG_c(a) if (DEBUG_c_TEST) a
3111# define DEBUG_P(a) if (DEBUG_P_TEST) a
3112
969058bb
VK
3113 /* Temporarily turn off memory debugging in case the a
3114 * does memory allocation, either directly or indirectly. */
acfe0abc 3115# define DEBUG_m(a) \
0b250b9e 3116 STMT_START { \
aea4f609 3117 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3118 } STMT_END
aea4f609 3119
5f80b19c
AMS
3120# define DEBUG__(t, a) \
3121 STMT_START { \
3122 if (t) STMT_START {a;} STMT_END; \
3123 } STMT_END
3124
3125# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3126# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3127# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3128# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3129# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3130# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3131# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3132# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3133
3db8f154 3134# define DEBUG_S(a)
aea4f609 3135
5f80b19c
AMS
3136# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3137# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3138# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3139# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3140# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3141# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3142
3143#else /* DEBUGGING */
3144
3145# define DEBUG_p_TEST (0)
3146# define DEBUG_s_TEST (0)
3147# define DEBUG_l_TEST (0)
3148# define DEBUG_t_TEST (0)
3149# define DEBUG_o_TEST (0)
3150# define DEBUG_c_TEST (0)
3151# define DEBUG_P_TEST (0)
3152# define DEBUG_m_TEST (0)
3153# define DEBUG_f_TEST (0)
3154# define DEBUG_r_TEST (0)
3155# define DEBUG_x_TEST (0)
3156# define DEBUG_u_TEST (0)
aea4f609
DM
3157# define DEBUG_H_TEST (0)
3158# define DEBUG_X_TEST (0)
dd2155a4 3159# define DEBUG_Xv_TEST (0)
aea4f609
DM
3160# define DEBUG_D_TEST (0)
3161# define DEBUG_S_TEST (0)
3162# define DEBUG_T_TEST (0)
04932ac8 3163# define DEBUG_R_TEST (0)
1045810a 3164# define DEBUG_J_TEST (0)
d6721266 3165# define DEBUG_v_TEST (0)
46187eeb 3166# define DEBUG_C_TEST (0)
ecae49c0
NC
3167# define DEBUG_A_TEST (0)
3168# define DEBUG_q_TEST (0)
aea4f609 3169
488b0c7a
JH
3170# define PERL_DEB(a)
3171# define PERL_DEBUG(a)
aea4f609
DM
3172# define DEBUG_p(a)
3173# define DEBUG_s(a)
3174# define DEBUG_l(a)
3175# define DEBUG_t(a)
3176# define DEBUG_o(a)
3177# define DEBUG_c(a)
3178# define DEBUG_P(a)
3179# define DEBUG_m(a)
3180# define DEBUG_f(a)
3181# define DEBUG_r(a)
3182# define DEBUG_x(a)
3183# define DEBUG_u(a)
aea4f609
DM
3184# define DEBUG_H(a)
3185# define DEBUG_X(a)
dd2155a4 3186# define DEBUG_Xv(a)
aea4f609
DM
3187# define DEBUG_D(a)
3188# define DEBUG_S(a)
3189# define DEBUG_T(a)
04932ac8 3190# define DEBUG_R(a)
d6721266 3191# define DEBUG_v(a)
46187eeb 3192# define DEBUG_C(a)
ecae49c0
NC
3193# define DEBUG_A(a)
3194# define DEBUG_q(a)
aea4f609
DM
3195#endif /* DEBUGGING */
3196
3197
b4ab917c
DM
3198#define DEBUG_SCOPE(where) \
3199 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3200 where, PL_scopestack_ix, __FILE__, __LINE__)));
3201
3202
3203
3204
d1be9408 3205/* These constants should be used in preference to raw characters
14befaf4
DM
3206 * when using magic. Note that some perl guts still assume
3207 * certain character properties of these constants, namely that
3208 * isUPPER() and toLOWER() may do useful mappings.
3209 *
3210 * Update the magic_names table in dump.c when adding/amending these
3211 */
3212
3213#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3214#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3215#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3216#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3217#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3218#define PERL_MAGIC_regdata 'D' /* Regex match position data
3219 (@+ and @- vars) */
3220#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3221#define PERL_MAGIC_env 'E' /* %ENV hash */
3222#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3223#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3224#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3225#define PERL_MAGIC_isa 'I' /* @ISA array */
3226#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3227#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3228#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3229#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3230#define PERL_MAGIC_mutex 'm' /* for lock op */
3231#define PERL_MAGIC_shared 'N' /* Shared between threads */
3232#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3233#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3234#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3235#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3236#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3237#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3238#define PERL_MAGIC_sig 'S' /* %SIG hash */
3239#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3240#define PERL_MAGIC_taint 't' /* Taintedness */
3241#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3242#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3243#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3244#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3245#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3246#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3247#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3248 smart parameter vivification */
3249#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3250#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3251#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3252#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3253#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3254#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3255#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3256#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3257
3258
a6e633de 3259#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3260#define assert(what) PERL_DEB( \
3261 ((what) ? ((void) 0) : \
60b9f5a7
NC
3262 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3263 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3264 PerlProc_exit(1), \
3265 (void) 0)))
a446a88f 3266#endif
8d063cd8 3267
450a55e4 3268struct ufuncs {
24f81a43
DM
3269 I32 (*uf_val)(pTHX_ IV, SV*);
3270 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3271 IV uf_index;
450a55e4
LW
3272};
3273
14befaf4 3274/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3275 * XS code wanting to be backward compatible can do something
3276 * like the following:
c745e42c 3277
24f81a43 3278#ifndef PERL_MG_UFUNC
24f81a43
DM
3279#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3280#endif
3281
3282static PERL_MG_UFUNC(foo_get, index, val)
3283{
3284 sv_setsv(val, ...);
3285 return TRUE;
3286}
3287
3288-- Doug MacEachern
3289
3290*/
3291
fc9c74e6 3292#ifndef PERL_MG_UFUNC
24f81a43 3293#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3294#endif
24f81a43 3295
fe14fcc3 3296/* Fix these up for __STDC__ */
68dc0745 3297#ifndef DONT_DECLARE_STD
20ce7b12 3298char *mktemp (char*);
37bd1396 3299#ifndef atof
20ce7b12 3300double atof (const char*);
a0d0e21e 3301#endif
37bd1396 3302#endif
79072805 3303
352d5a3a 3304#ifndef STANDARD_C
fe14fcc3 3305/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3306Time_t time();
8d063cd8 3307struct tm *gmtime(), *localtime();
092bebab 3308#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3309char *(strchr)(), *(strrchr)();
3310char *(strcpy)(), *(strcat)();
3311#else
93a17b20 3312char *strchr(), *strrchr();
378cc40b 3313char *strcpy(), *strcat();
9d116dd7 3314#endif
352d5a3a 3315#endif /* ! STANDARD_C */
8d063cd8 3316
79072805
LW
3317
3318#ifdef I_MATH
3319# include <math.h>
3320#else
32f822de 3321START_EXTERN_C
20ce7b12
GS
3322 double exp (double);
3323 double log (double);
3324 double log10 (double);
3325 double sqrt (double);
3326 double frexp (double,int*);
3327 double ldexp (double,int);
3328 double modf (double,double*);
3329 double sin (double);
3330 double cos (double);
3331 double atan2 (double,double);
3332 double pow (double,double);
32f822de 3333END_EXTERN_C
79072805
LW
3334#endif
3335
aa8b85de
JH
3336#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3337# define NV_INF LDBL_INFINITY
3338#endif
3339#if !defined(NV_INF) && defined(DBL_INFINITY)
3340# define NV_INF (NV)DBL_INFINITY
3341#endif
3342#if !defined(NV_INF) && defined(INFINITY)
3343# define NV_INF (NV)INFINITY
3344#endif
3345#if !defined(NV_INF) && defined(INF)
3346# define NV_INF (NV)INF
3347#endif
3348#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3349# define NV_INF (NV)HUGE_VALL
3350#endif
3351#if !defined(NV_INF) && defined(HUGE_VAL)
3352# define NV_INF (NV)HUGE_VAL
3353#endif
3354
3355#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3356# if !defined(NV_NAN) && defined(LDBL_NAN)
3357# define NV_NAN LDBL_NAN
3358# endif
3359# if !defined(NV_NAN) && defined(LDBL_QNAN)
3360# define NV_NAN LDBL_QNAN
3361# endif
3362# if !defined(NV_NAN) && defined(LDBL_SNAN)
3363# define NV_NAN LDBL_SNAN
3364# endif
3365#endif
3366#if !defined(NV_NAN) && defined(DBL_NAN)
3367# define NV_NAN (NV)DBL_NAN
3368#endif
3369#if !defined(NV_NAN) && defined(DBL_QNAN)
3370# define NV_NAN (NV)DBL_QNAN
3371#endif
3372#if !defined(NV_NAN) && defined(DBL_SNAN)
3373# define NV_NAN (NV)DBL_SNAN
3374#endif
3375#if !defined(NV_NAN) && defined(QNAN)
3376# define NV_NAN (NV)QNAN
3377#endif
3378#if !defined(NV_NAN) && defined(SNAN)
3379# define NV_NAN (NV)SNAN
3380#endif
3381#if !defined(NV_NAN) && defined(NAN)
3382# define NV_NAN (NV)NAN
3383#endif
3384
a0d0e21e 3385#ifndef __cplusplus
8f1f23e8 3386# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3387char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3388# else
fd8cd3a3 3389# if !defined(WIN32) && !defined(VMS)
10bc17b6 3390#ifndef crypt
20ce7b12 3391char *crypt (const char*, const char*);
10bc17b6 3392#endif
5014db98 3393# endif /* !WIN32 */
8f1f23e8 3394# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3395# ifndef DONT_DECLARE_STD
3396# ifndef getenv
20ce7b12 3397char *getenv (const char*);
26618a56 3398# endif /* !getenv */
28ca6303 3399# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3400# ifdef _FILE_OFFSET_BITS
28ca6303 3401# if _FILE_OFFSET_BITS == 64
20ce7b12 3402Off_t lseek (int,Off_t,int);
0fc67700
JH
3403# endif
3404# endif
bf0c440f 3405# endif
26618a56 3406# endif /* !DONT_DECLARE_STD */
10bc17b6 3407#ifndef getlogin
20ce7b12 3408char *getlogin (void);
10bc17b6 3409#endif
26618a56 3410#endif /* !__cplusplus */
79072805 3411
16d20bd9 3412#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3413#define UNLINK unlnk
20ce7b12 3414I32 unlnk (char*);
8d063cd8 3415#else
80252599 3416#define UNLINK PerlLIO_unlink
8d063cd8 3417#endif
a687059c 3418
fa0a29af
JH
3419/* some versions of glibc are missing the setresuid() proto */
3420#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3421int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3422#endif
fa0a29af
JH
3423/* some versions of glibc are missing the setresgid() proto */
3424#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3425int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3426#endif
3427
fe14fcc3 3428#ifndef HAS_SETREUID
85e6fe83
LW
3429# ifdef HAS_SETRESUID
3430# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3431# define HAS_SETREUID
3432# endif
a687059c 3433#endif
fe14fcc3 3434#ifndef HAS_SETREGID
85e6fe83
LW
3435# ifdef HAS_SETRESGID
3436# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3437# define HAS_SETREGID
3438# endif
a687059c 3439#endif
ee0007ab 3440
d543acb6 3441/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3442
3443#ifdef HAS_SIGACTION
3444typedef struct sigaction Sigsave_t;
3445#else
3446typedef Sighandler_t Sigsave_t;
3447#endif
3448
ee0007ab
LW
3449#define SCAN_DEF 0
3450#define SCAN_TR 1
3451#define SCAN_REPL 2
79072805
LW
3452
3453#ifdef DEBUGGING
4633a7c4 3454# ifndef register
a0d0e21e
LW
3455# define register
3456# endif
cea2e8a9 3457# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3458#else
cea2e8a9 3459# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3460#endif
3461
18f739ee 3462#ifdef MYMALLOC
772fe5b3 3463# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3464# define MALLOC_INIT \
3465 STMT_START { \
3466 PL_malloc_mutex = NULL; \
3467 MUTEX_INIT(&PL_malloc_mutex); \
3468 } STMT_END
3469# define MALLOC_TERM \
3470 STMT_START { \
3471 perl_mutex tmp = PL_malloc_mutex; \
3472 PL_malloc_mutex = NULL; \
3473 MUTEX_DESTROY(&tmp); \
3474 } STMT_END
3475# else
3476# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3477# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3478# endif
18f739ee
IZ
3479#else
3480# define MALLOC_INIT
3481# define MALLOC_TERM
3482#endif
3483
b6d9d515 3484
0cb96387 3485typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3486typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3487typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3488typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3489
940cb80d 3490/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3491#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3492
8f1f23e8
W
3493/* NeXT has problems with crt0.o globals */
3494#if defined(__DYNAMIC__) && \
6239f2da 3495 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3496# if defined(NeXT) || defined(__NeXT)
3497# include <mach-o/dyld.h>
3498# define environ (*environ_pointer)
0c30d9ec 3499EXT char *** environ_pointer;
8f1f23e8 3500# else
6239f2da 3501# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3502# include <crt_externs.h> /* for the env array */
3503# define environ (*_NSGetEnviron())
3504# endif
0c30d9ec 3505# endif
8f1f23e8
W
3506#else
3507 /* VMS and some other platforms don't use the environ array */
13b6e58c 3508# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3509# if !defined(DONT_DECLARE_STD) || \
3510 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3511 defined(__sgi) || \
d460ef45 3512 defined(__DGUX)
8f1f23e8 3513extern char ** environ; /* environment variables supplied via exec */
a6c40364 3514# endif
8f1f23e8
W
3515# endif
3516#endif
79072805 3517
73c4f7a1
GS
3518START_EXTERN_C
3519
79072805 3520/* handy constants */
22c35a8c 3521EXTCONST char PL_warn_uninit[]
29489e7c 3522 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3523EXTCONST char PL_warn_nosemi[]
463ee0b2 3524 INIT("Semicolon seems to be missing");
22c35a8c 3525EXTCONST char PL_warn_reserved[]
463ee0b2 3526 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3527EXTCONST char PL_warn_nl[]
93a17b20 3528 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3529EXTCONST char PL_no_wrongref[]
a0d0e21e 3530 INIT("Can't use %s ref as %s ref");
22c35a8c 3531EXTCONST char PL_no_symref[]
748a9306 3532 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3533EXTCONST char PL_no_symref_sv[]
014ead4b 3534 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3535EXTCONST char PL_no_usym[]
8990e307 3536 INIT("Can't use an undefined value as %s reference");
22c35a8c 3537EXTCONST char PL_no_aelem[]
93a17b20 3538 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3539EXTCONST char PL_no_helem_sv[]
3540 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3541EXTCONST char PL_no_modify[]
93a17b20 3542 INIT("Modification of a read-only value attempted");
22c35a8c 3543EXTCONST char PL_no_mem[]
93a17b20 3544 INIT("Out of memory!\n");
22c35a8c 3545EXTCONST char PL_no_security[]
463ee0b2 3546 INIT("Insecure dependency in %s%s");
22c35a8c 3547EXTCONST char PL_no_sock_func[]
93a17b20 3548 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3549EXTCONST char PL_no_dir_func[]
93a17b20 3550 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3551EXTCONST char PL_no_func[]
93a17b20 3552 INIT("The %s function is unimplemented");
22c35a8c 3553EXTCONST char PL_no_myglob[]
748a9306 3554 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3555EXTCONST char PL_no_localize_ref[]
3556 INIT("Can't localize through a reference");
27d5b266
JH
3557#ifdef PERL_MALLOC_WRAP
3558EXTCONST char PL_memory_wrap[]
3559 INIT("panic: memory wrap");
3560#endif
93a17b20 3561
7575fa06 3562EXTCONST char PL_uuemap[65]
80252599
GS
3563 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3564
3565
79072805 3566#ifdef DOINIT
27da23d5
JH
3567EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3568EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3569#else
27da23d5
JH
3570EXTCONST char* const PL_sig_name[];
3571EXTCONST int PL_sig_num[];
79072805
LW
3572#endif
3573
3bd709b1 3574/* fast conversion and case folding tables */
bbce6d69 3575
79072805 3576#ifdef DOINIT
9d116dd7 3577#ifdef EBCDIC
27da23d5 3578EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3579 0, 1, 2, 3, 4, 5, 6, 7,
3580 8, 9, 10, 11, 12, 13, 14, 15,
3581 16, 17, 18, 19, 20, 21, 22, 23,
3582 24, 25, 26, 27, 28, 29, 30, 31,
3583 32, 33, 34, 35, 36, 37, 38, 39,
3584 40, 41, 42, 43, 44, 45, 46, 47,
3585 48, 49, 50, 51, 52, 53, 54, 55,
3586 56, 57, 58, 59, 60, 61, 62, 63,
3587 64, 65, 66, 67, 68, 69, 70, 71,
3588 72, 73, 74, 75, 76, 77, 78, 79,
3589 80, 81, 82, 83, 84, 85, 86, 87,
3590 88, 89, 90, 91, 92, 93, 94, 95,
3591 96, 97, 98, 99, 100, 101, 102, 103,
3592 104, 105, 106, 107, 108, 109, 110, 111,
3593 112, 113, 114, 115, 116, 117, 118, 119,
3594 120, 121, 122, 123, 124, 125, 126, 127,
3595 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3596 'H', 'I', 138, 139, 140, 141, 142, 143,
3597 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3598 'Q', 'R', 154, 155, 156, 157, 158, 159,
3599 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3600 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3601 176, 177, 178, 179, 180, 181, 182, 183,
3602 184, 185, 186, 187, 188, 189, 190, 191,
3603 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3604 'h', 'i', 202, 203, 204, 205, 206, 207,
3605 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3606 'q', 'r', 218, 219, 220, 221, 222, 223,
3607 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3608 'y', 'z', 234, 235, 236, 237, 238, 239,
3609 240, 241, 242, 243, 244, 245, 246, 247,
3610 248, 249, 250, 251, 252, 253, 254, 255
3611};
3612#else /* ascii rather than ebcdic */
22c35a8c 3613EXTCONST unsigned char PL_fold[] = {
79072805
LW
3614 0, 1, 2, 3, 4, 5, 6, 7,
3615 8, 9, 10, 11, 12, 13, 14, 15,
3616 16, 17, 18, 19, 20, 21, 22, 23,
3617 24, 25, 26, 27, 28, 29, 30, 31,
3618 32, 33, 34, 35, 36, 37, 38, 39,
3619 40, 41, 42, 43, 44, 45, 46, 47,
3620 48, 49, 50, 51, 52, 53, 54, 55,
3621 56, 57, 58, 59, 60, 61, 62, 63,
3622 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3623 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3624 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3625 'x', 'y', 'z', 91, 92, 93, 94, 95,
3626 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3627 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3628 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3629 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3630 128, 129, 130, 131, 132, 133, 134, 135,
3631 136, 137, 138, 139, 140, 141, 142, 143,
3632 144, 145, 146, 147, 148, 149, 150, 151,
3633 152, 153, 154, 155, 156, 157, 158, 159,
3634 160, 161, 162, 163, 164, 165, 166, 167,
3635 168, 169, 170, 171, 172, 173, 174, 175,
3636 176, 177, 178, 179, 180, 181, 182, 183,
3637 184, 185, 186, 187, 188, 189, 190, 191,
3638 192, 193, 194, 195, 196, 197, 198, 199,
3639 200, 201, 202, 203, 204, 205, 206, 207,
3640 208, 209, 210, 211, 212, 213, 214, 215,
3641 216, 217, 218, 219, 220, 221, 222, 223,
3642 224, 225, 226, 227, 228, 229, 230, 231,
3643 232, 233, 234, 235, 236, 237, 238, 239,
3644 240, 241, 242, 243, 244, 245, 246, 247,
3645 248, 249, 250, 251, 252, 253, 254, 255
3646};
9d116dd7 3647#endif /* !EBCDIC */
79072805 3648#else
22c35a8c 3649EXTCONST unsigned char PL_fold[];
79072805
LW
3650#endif
3651
27da23d5 3652#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3653#ifdef DOINIT
27da23d5 3654EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3655 0, 1, 2, 3, 4, 5, 6, 7,
3656 8, 9, 10, 11, 12, 13, 14, 15,
3657 16, 17, 18, 19, 20, 21, 22, 23,
3658 24, 25, 26, 27, 28, 29, 30, 31,
3659 32, 33, 34, 35, 36, 37, 38, 39,
3660 40, 41, 42, 43, 44, 45, 46, 47,
3661 48, 49, 50, 51, 52, 53, 54, 55,
3662 56, 57, 58, 59, 60, 61, 62, 63,
3663 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3664 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3665 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3666 'x', 'y', 'z', 91, 92, 93, 94, 95,
3667 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3668 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3669 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3670 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3671 128, 129, 130, 131, 132, 133, 134, 135,
3672 136, 137, 138, 139, 140, 141, 142, 143,
3673 144, 145, 146, 147, 148, 149, 150, 151,
3674 152, 153, 154, 155, 156, 157, 158, 159,
3675 160, 161, 162, 163, 164, 165, 166, 167,
3676 168, 169, 170, 171, 172, 173, 174, 175,
3677 176, 177, 178, 179, 180, 181, 182, 183,
3678 184, 185, 186, 187, 188, 189, 190, 191,
3679 192, 193, 194, 195, 196, 197, 198, 199,
3680 200, 201, 202, 203, 204, 205, 206, 207,
3681 208, 209, 210, 211, 212, 213, 214, 215,
3682 216, 217, 218, 219, 220, 221, 222, 223,
3683 224, 225, 226, 227, 228, 229, 230, 231,
3684 232, 233, 234, 235, 236, 237, 238, 239,
3685 240, 241, 242, 243, 244, 245, 246, 247,
3686 248, 249, 250, 251, 252, 253, 254, 255
3687};
3688#else
27da23d5 3689EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3690#endif
27da23d5 3691#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3692
3693#ifdef DOINIT
9d116dd7 3694#ifdef EBCDIC
27da23d5 3695EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3696 1, 2, 84, 151, 154, 155, 156, 157,
3697 165, 246, 250, 3, 158, 7, 18, 29,
3698 40, 51, 62, 73, 85, 96, 107, 118,
3699 129, 140, 147, 148, 149, 150, 152, 153,
3700 255, 6, 8, 9, 10, 11, 12, 13,
3701 14, 15, 24, 25, 26, 27, 28, 226,
3702 29, 30, 31, 32, 33, 43, 44, 45,
3703 46, 47, 48, 49, 50, 76, 77, 78,
3704 79, 80, 81, 82, 83, 84, 85, 86,
3705 87, 94, 95, 234, 181, 233, 187, 190,
3706 180, 96, 97, 98, 99, 100, 101, 102,
3707 104, 112, 182, 174, 236, 232, 229, 103,
3708 228, 226, 114, 115, 116, 117, 118, 119,
3709 120, 121, 122, 235, 176, 230, 194, 162,
3710 130, 131, 132, 133, 134, 135, 136, 137,
3711 138, 139, 201, 205, 163, 217, 220, 224,
3712 5, 248, 227, 244, 242, 255, 241, 231,
3713 240, 253, 16, 197, 19, 20, 21, 187,
3714 23, 169, 210, 245, 237, 249, 247, 239,
3715 168, 252, 34, 196, 36, 37, 38, 39,
3716 41, 42, 251, 254, 238, 223, 221, 213,
3717 225, 177, 52, 53, 54, 55, 56, 57,
3718 58, 59, 60, 61, 63, 64, 65, 66,
3719 67, 68, 69, 70, 71, 72, 74, 75,
3720 205, 208, 186, 202, 200, 218, 198, 179,
3721 178, 214, 88, 89, 90, 91, 92, 93,
3722 217, 166, 170, 207, 199, 209, 206, 204,
3723 160, 212, 105, 106, 108, 109, 110, 111,
3724 203, 113, 216, 215, 192, 175, 193, 243,
3725 172, 161, 123, 124, 125, 126, 127, 128,
3726 222, 219, 211, 195, 188, 193, 185, 184,
3727 191, 183, 141, 142, 143, 144, 145, 146
3728};
3729#else /* ascii rather than ebcdic */
22c35a8c 3730EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3731 1, 2, 84, 151, 154, 155, 156, 157,
3732 165, 246, 250, 3, 158, 7, 18, 29,
3733 40, 51, 62, 73, 85, 96, 107, 118,
3734 129, 140, 147, 148, 149, 150, 152, 153,
3735 255, 182, 224, 205, 174, 176, 180, 217,
3736 233, 232, 236, 187, 235, 228, 234, 226,
3737 222, 219, 211, 195, 188, 193, 185, 184,
3738 191, 183, 201, 229, 181, 220, 194, 162,
3739 163, 208, 186, 202, 200, 218, 198, 179,
3740 178, 214, 166, 170, 207, 199, 209, 206,
3741 204, 160, 212, 216, 215, 192, 175, 173,
3742 243, 172, 161, 190, 203, 189, 164, 230,
3743 167, 248, 227, 244, 242, 255, 241, 231,
3744 240, 253, 169, 210, 245, 237, 249, 247,
3745 239, 168, 252, 251, 254, 238, 223, 221,
3746 213, 225, 177, 197, 171, 196, 159, 4,
3747 5, 6, 8, 9, 10, 11, 12, 13,
3748 14, 15, 16, 17, 19, 20, 21, 22,
3749 23, 24, 25, 26, 27, 28, 30, 31,
3750 32, 33, 34, 35, 36, 37, 38, 39,
3751 41, 42, 43, 44, 45, 46, 47, 48,
3752 49, 50, 52, 53, 54, 55, 56, 57,
3753 58, 59, 60, 61, 63, 64, 65, 66,
3754 67, 68, 69, 70, 71, 72, 74, 75,
3755 76, 77, 78, 79, 80, 81, 82, 83,
3756 86, 87, 88, 89, 90, 91, 92, 93,
3757 94, 95, 97, 98, 99, 100, 101, 102,
3758 103, 104, 105, 106, 108, 109, 110, 111,
3759 112, 113, 114, 115, 116, 117, 119, 120,
3760 121, 122, 123, 124, 125, 126, 127, 128,
3761 130, 131, 132, 133, 134, 135, 136, 137,
3762 138, 139, 141, 142, 143, 144, 145, 146
3763};
9d116dd7 3764#endif
79072805 3765#else
22c35a8c 3766EXTCONST unsigned char PL_freq[];
79072805
LW
3767#endif
3768
8990e307
LW
3769#ifdef DEBUGGING
3770#ifdef DOINIT
27da23d5 3771EXTCONST char* const PL_block_type[] = {
8990e307
LW
3772 "NULL",
3773 "SUB",
3774 "EVAL",
3775 "LOOP",
3776 "SUBST",
3777 "BLOCK",
3778};
3779#else
22c35a8c 3780EXTCONST char* PL_block_type[];
8990e307
LW
3781#endif
3782#endif
3783
73c4f7a1
GS
3784END_EXTERN_C
3785
79072805
LW
3786/*****************************************************************************/
3787/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3788/*****************************************************************************/
8990e307 3789/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3790
d4c3c482 3791#ifdef __Lynx__
9cffb111
OS
3792/* LynxOS defines these in scsi.h which is included via ioctl.h */
3793#ifdef FORMAT
3794#undef FORMAT
3795#endif
3796#ifdef SPACE
3797#undef SPACE
3798#endif
d4c3c482 3799#endif
9cffb111 3800
1fd33325
MHM
3801/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3802 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3803 * it's not really needed.
3804 */
3805#if defined(WIN32)
3806# define YYTOKENTYPE
3807#endif
a0d0e21e
LW
3808#include "perly.h"
3809
fb73857a
PP
3810#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3811
79072805
LW
3812typedef enum {
3813 XOPERATOR,
3814 XTERM,
79072805 3815 XREF,
8990e307 3816 XSTATE,
a0d0e21e 3817 XBLOCK,
09bef843
SB
3818 XATTRBLOCK,
3819 XATTRTERM,
6f33ba73
RGS
3820 XTERMBLOCK,
3821 XTERMORDORDOR /* evil hack */
27308ded 3822 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3823} expectation;
3824