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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
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54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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109# define USE_REENTRANT_API
110#endif
111
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
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202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
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207#endif
208
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209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 212 */
a3b680e6 213#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 214
0cb96387 215#define NOOP (void)0
44dbb695 216#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 217
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218#ifndef pTHX
219# define pTHX void
220# define pTHX_
0cb96387
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221# define aTHX
222# define aTHX_
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223# define dTHXa(a) dNOOP
224# define dTHX dNOOP
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225# define pTHX_1 1
226# define pTHX_2 2
227# define pTHX_3 3
228# define pTHX_4 4
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229# define pTHX_5 5
230# define pTHX_6 6
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231# define pTHX_7 7
232# define pTHX_8 8
233# define pTHX_9 9
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234#endif
235
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236#ifndef dVAR
237# define dVAR dNOOP
238#endif
239
b4f7f263
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240/* these are only defined for compatibility; should not be used internally */
241#if !defined(pTHXo) && !defined(PERL_CORE)
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242# define pTHXo pTHX
243# define pTHXo_ pTHX_
0cb96387
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244# define aTHXo aTHX
245# define aTHXo_ aTHX_
c5be433b 246# define dTHXo dTHX
71d280e3 247# define dTHXoa(x) dTHXa(x)
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248#endif
249
250#ifndef pTHXx
251# define pTHXx register PerlInterpreter *my_perl
252# define pTHXx_ pTHXx,
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253# define aTHXx my_perl
254# define aTHXx_ aTHXx,
c5be433b 255# define dTHXx dTHX
22c35a8c 256#endif
71be2cbc 257
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258/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
259 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
260 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
261#ifdef PERL_IMPLICIT_SYS
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262# ifdef PERL_GLOBAL_STRUCT_PRIVATE
263# define dTHXs dVAR; dTHX
264# else
265# define dTHXs dTHX
266# endif
1de7c2ac 267#else
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268# ifdef PERL_GLOBAL_STRUCT_PRIVATE
269# define dTHXs dVAR
270# else
271# define dTHXs dNOOP
272# endif
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273#endif
274
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275#undef START_EXTERN_C
276#undef END_EXTERN_C
277#undef EXTERN_C
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278#ifdef __cplusplus
279# define START_EXTERN_C extern "C" {
280# define END_EXTERN_C }
281# define EXTERN_C extern "C"
282#else
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283# define START_EXTERN_C
284# define END_EXTERN_C
73c4f7a1 285# define EXTERN_C extern
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286#endif
287
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288/* Some platforms require marking function declarations
289 * for them to be exportable. Used in perlio.h, proto.h
290 * is handled either by the makedef.pl or by defining the
291 * PERL_CALLCONV to be something special. See also the
292 * definition of XS() in XSUB.h. */
293#ifndef PERL_EXPORT_C
294# define PERL_EXPORT_C extern
295#endif
296#ifndef PERL_XS_EXPORT_C
297# define PERL_XS_EXPORT_C
298#endif
299
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300#ifdef OP_IN_REGISTER
301# ifdef __GNUC__
302# define stringify_immed(s) #s
303# define stringify(s) stringify_immed(s)
d1ca3daa 304register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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305# endif
306#endif
307
5dc8bdac 308#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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309# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
310# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
311# endif
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312#endif
313
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314/*
315 * STMT_START { statements; } STMT_END;
316 * can be used as a single statement, as in
317 * if (x) STMT_START { ... } STMT_END; else ...
318 *
319 * Trying to select a version that gives no warnings...
320 */
321#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 322# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 323# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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324# define STMT_END )
325# else
326 /* Now which other defined()s do we need here ??? */
93189314 327# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
328# define STMT_START if (1)
329# define STMT_END else (void)0
330# else
331# define STMT_START do
332# define STMT_END while (0)
333# endif
334# endif
335#endif
336
0cb96387 337#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 338#define WITH_THR(s) WITH_THX(s)
ea0efc06 339
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PP
340/*
341 * SOFT_CAST can be used for args to prototyped functions to retain some
342 * type checking; it only casts if the compiler does not know prototypes.
343 */
344#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
345#define SOFT_CAST(type)
346#else
347#define SOFT_CAST(type) (type)
348#endif
79072805 349
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JH
350#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
351# define BYTEORDER 0x1234
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352#endif
353
354/* Overall memory policy? */
355#ifndef CONSERVATIVE
356# define LIBERAL 1
357#endif
358
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JH
359#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
360#define ASCIIish
361#else
362#undef ASCIIish
363#endif
364
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365/*
366 * The following contortions are brought to you on behalf of all the
367 * standards, semi-standards, de facto standards, not-so-de-facto standards
368 * of the world, as well as all the other botches anyone ever thought of.
369 * The basic theory is that if we work hard enough here, the rest of the
370 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
371 */
ac58e20f 372
ee0007ab 373/* define this once if either system, instead of cluttering up the src */
2986a63f 374#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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LW
375#define DOSISH 1
376#endif
377
27da23d5 378#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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379# define STANDARD_C 1
380#endif
381
a03dbf46 382#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
383# define DONT_DECLARE_STD 1
384#endif
385
352d5a3a 386#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 387# ifdef __cplusplus
cb69f87a 388# define VOL /* to temporarily suppress warnings */
79072805
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389# else
390# define VOL volatile
391# endif
663a0e37 392#else
79072805 393# define VOL
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394#endif
395
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396#define TAINT (PL_tainted = TRUE)
397#define TAINT_NOT (PL_tainted = FALSE)
398#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
399#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 400#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 401
d460ef45 402/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
403 defines move there? If so, I could simplify this a lot. --AD 9/96.
404*/
405/* Process group stuff changed from traditional BSD to POSIX.
406 perlfunc.pod documents the traditional BSD-style syntax, so we'll
407 try to preserve that, if possible.
408*/
409#ifdef HAS_SETPGID
410# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 411#else
a6e633de
PP
412# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
413# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
414# else
415# ifdef HAS_SETPGRP2 /* DG/UX */
416# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
417# endif
418# endif
419#endif
420#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
421# define HAS_SETPGRP /* Well, effectively it does . . . */
422#endif
423
424/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
425 our life easier :-) so we'll try it.
426*/
427#ifdef HAS_GETPGID
428# define BSD_GETPGRP(pid) getpgid((pid))
429#else
430# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
431# define BSD_GETPGRP(pid) getpgrp((pid))
432# else
433# ifdef HAS_GETPGRP2 /* DG/UX */
434# define BSD_GETPGRP(pid) getpgrp2((pid))
435# endif
436# endif
437#endif
438#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
439# define HAS_GETPGRP /* Well, effectively it does . . . */
440#endif
441
d460ef45 442/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
443 have different behaviors, but perl.h used to define USE_BSDPGRP
444 (prior to 5.003_05) so some extension might depend on it.
445*/
446#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
447# ifndef USE_BSDPGRP
448# define USE_BSDPGRP
449# endif
663a0e37
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450#endif
451
8ac5a1fe
MH
452/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
453 pthread.h must be included before all other header files.
454*/
3db8f154 455#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
456# include <pthread.h>
457#endif
458
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459#ifndef _TYPES_ /* If types.h defines this it's easy. */
460# ifndef major /* Does everyone's types.h define this? */
461# include <sys/types.h>
c07a80fd 462# endif
663a0e37
LW
463#endif
464
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465#ifdef __cplusplus
466# ifndef I_STDARG
467# define I_STDARG 1
468# endif
469#endif
470
471#ifdef I_STDARG
472# include <stdarg.h>
473#else
474# ifdef I_VARARGS
475# include <varargs.h>
476# endif
477#endif
478
4633a7c4 479#ifdef USE_NEXT_CTYPE
0c30d9ec 480
092bebab
JH
481#if NX_CURRENT_COMPILER_RELEASE >= 500
482# include <bsd/ctypes.h>
483#else
484# if NX_CURRENT_COMPILER_RELEASE >= 400
485# include <objc/NXCType.h>
486# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
487# include <appkit/NXCType.h>
488# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
489#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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PP
490
491#else /* !USE_NEXT_CTYPE */
fe14fcc3 492#include <ctype.h>
0c30d9ec 493#endif /* USE_NEXT_CTYPE */
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LW
494
495#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
496#undef METHOD
a0d0e21e
LW
497#endif
498
12ae5dfc
JH
499#ifdef PERL_MICRO
500# define NO_LOCALE
501#endif
502
4633a7c4 503#ifdef I_LOCALE
36477c24 504# include <locale.h>
4633a7c4
LW
505#endif
506
36477c24
PP
507#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
508# define USE_LOCALE
509# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
510 && defined(HAS_STRXFRM)
511# define USE_LOCALE_COLLATE
512# endif
513# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
514# define USE_LOCALE_CTYPE
515# endif
516# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
517# define USE_LOCALE_NUMERIC
518# endif
519#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 520
fe14fcc3 521#include <setjmp.h>
79072805 522
a0d0e21e 523#ifdef I_SYS_PARAM
79072805
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524# ifdef PARAM_NEEDS_TYPES
525# include <sys/types.h>
526# endif
527# include <sys/param.h>
352d5a3a 528#endif
79072805 529
79072805 530/* Use all the "standard" definitions? */
a0d0e21e 531#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 532# include <stdlib.h>
ff68c719 533#endif
03a14243 534
3f270f98
JH
535/* If this causes problems, set i_unistd=undef in the hint file. */
536#ifdef I_UNISTD
537# include <unistd.h>
538#endif
539
27da23d5
JH
540#ifdef SYMBIAN
541# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
542#endif
543
7114a2d2 544#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
545int syscall(int, ...);
546#endif
547
7114a2d2 548#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 549int usleep(unsigned int);
2ef53570
JH
550#endif
551
9a34ef1d
GS
552#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
553# define MYSWAP
554#endif
555
1109a392
MHM
556#ifdef PERL_CORE
557
558/* macros for correct constant construction */
559# if INTSIZE >= 2
560# define U16_CONST(x) ((U16)x##U)
561# else
562# define U16_CONST(x) ((U16)x##UL)
563# endif
564
565# if INTSIZE >= 4
566# define U32_CONST(x) ((U32)x##U)
567# else
568# define U32_CONST(x) ((U32)x##UL)
569# endif
570
571# ifdef HAS_QUAD
572# if INTSIZE >= 8
573# define U64_CONST(x) ((U64)x##U)
574# elif LONGSIZE >= 8
575# define U64_CONST(x) ((U64)x##UL)
576# elif QUADKIND == QUAD_IS_LONG_LONG
577# define U64_CONST(x) ((U64)x##ULL)
578# else /* best guess we can make */
579# define U64_CONST(x) ((U64)x##UL)
580# endif
581# endif
582
583/* byte-swapping functions for big-/little-endian conversion */
584# define _swab_16_(x) ((U16)( \
585 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
586 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
587
588# define _swab_32_(x) ((U32)( \
589 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
590 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
591 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
592 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
593
594# ifdef HAS_QUAD
595# define _swab_64_(x) ((U64)( \
596 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
597 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
598 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
599 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
600 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
601 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
602 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
603 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
604# endif
605
606/*----------------------------------------------------------------------------*/
607# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
608/*----------------------------------------------------------------------------*/
609# define my_htole16(x) (x)
610# define my_letoh16(x) (x)
611# define my_htole32(x) (x)
612# define my_letoh32(x) (x)
613# define my_htobe16(x) _swab_16_(x)
614# define my_betoh16(x) _swab_16_(x)
615# define my_htobe32(x) _swab_32_(x)
616# define my_betoh32(x) _swab_32_(x)
617# ifdef HAS_QUAD
618# define my_htole64(x) (x)
619# define my_letoh64(x) (x)
620# define my_htobe64(x) _swab_64_(x)
621# define my_betoh64(x) _swab_64_(x)
622# endif
623# define my_htoles(x) (x)
624# define my_letohs(x) (x)
625# define my_htolei(x) (x)
626# define my_letohi(x) (x)
627# define my_htolel(x) (x)
628# define my_letohl(x) (x)
629# if SHORTSIZE == 1
630# define my_htobes(x) (x)
631# define my_betohs(x) (x)
632# elif SHORTSIZE == 2
633# define my_htobes(x) _swab_16_(x)
634# define my_betohs(x) _swab_16_(x)
635# elif SHORTSIZE == 4
636# define my_htobes(x) _swab_32_(x)
637# define my_betohs(x) _swab_32_(x)
638# elif SHORTSIZE == 8
639# define my_htobes(x) _swab_64_(x)
640# define my_betohs(x) _swab_64_(x)
641# else
642# define PERL_NEED_MY_HTOBES
643# define PERL_NEED_MY_BETOHS
644# endif
645# if INTSIZE == 1
646# define my_htobei(x) (x)
647# define my_betohi(x) (x)
648# elif INTSIZE == 2
649# define my_htobei(x) _swab_16_(x)
650# define my_betohi(x) _swab_16_(x)
651# elif INTSIZE == 4
652# define my_htobei(x) _swab_32_(x)
653# define my_betohi(x) _swab_32_(x)
654# elif INTSIZE == 8
655# define my_htobei(x) _swab_64_(x)
656# define my_betohi(x) _swab_64_(x)
657# else
658# define PERL_NEED_MY_HTOBEI
659# define PERL_NEED_MY_BETOHI
660# endif
661# if LONGSIZE == 1
662# define my_htobel(x) (x)
663# define my_betohl(x) (x)
664# elif LONGSIZE == 2
665# define my_htobel(x) _swab_16_(x)
666# define my_betohl(x) _swab_16_(x)
667# elif LONGSIZE == 4
668# define my_htobel(x) _swab_32_(x)
669# define my_betohl(x) _swab_32_(x)
670# elif LONGSIZE == 8
671# define my_htobel(x) _swab_64_(x)
672# define my_betohl(x) _swab_64_(x)
673# else
674# define PERL_NEED_MY_HTOBEL
675# define PERL_NEED_MY_BETOHL
676# endif
677# define my_htolen(p,n) NOOP
678# define my_letohn(p,n) NOOP
679# define my_htoben(p,n) my_swabn(p,n)
680# define my_betohn(p,n) my_swabn(p,n)
681/*----------------------------------------------------------------------------*/
682# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
683/*----------------------------------------------------------------------------*/
684# define my_htobe16(x) (x)
685# define my_betoh16(x) (x)
686# define my_htobe32(x) (x)
687# define my_betoh32(x) (x)
688# define my_htole16(x) _swab_16_(x)
689# define my_letoh16(x) _swab_16_(x)
690# define my_htole32(x) _swab_32_(x)
691# define my_letoh32(x) _swab_32_(x)
692# ifdef HAS_QUAD
693# define my_htobe64(x) (x)
694# define my_betoh64(x) (x)
695# define my_htole64(x) _swab_64_(x)
696# define my_letoh64(x) _swab_64_(x)
697# endif
698# define my_htobes(x) (x)
699# define my_betohs(x) (x)
700# define my_htobei(x) (x)
701# define my_betohi(x) (x)
702# define my_htobel(x) (x)
703# define my_betohl(x) (x)
704# if SHORTSIZE == 1
705# define my_htoles(x) (x)
706# define my_letohs(x) (x)
707# elif SHORTSIZE == 2
708# define my_htoles(x) _swab_16_(x)
709# define my_letohs(x) _swab_16_(x)
710# elif SHORTSIZE == 4
711# define my_htoles(x) _swab_32_(x)
712# define my_letohs(x) _swab_32_(x)
713# elif SHORTSIZE == 8
714# define my_htoles(x) _swab_64_(x)
715# define my_letohs(x) _swab_64_(x)
716# else
717# define PERL_NEED_MY_HTOLES
718# define PERL_NEED_MY_LETOHS
719# endif
720# if INTSIZE == 1
721# define my_htolei(x) (x)
722# define my_letohi(x) (x)
723# elif INTSIZE == 2
724# define my_htolei(x) _swab_16_(x)
725# define my_letohi(x) _swab_16_(x)
726# elif INTSIZE == 4
727# define my_htolei(x) _swab_32_(x)
728# define my_letohi(x) _swab_32_(x)
729# elif INTSIZE == 8
730# define my_htolei(x) _swab_64_(x)
731# define my_letohi(x) _swab_64_(x)
732# else
733# define PERL_NEED_MY_HTOLEI
734# define PERL_NEED_MY_LETOHI
735# endif
736# if LONGSIZE == 1
737# define my_htolel(x) (x)
738# define my_letohl(x) (x)
739# elif LONGSIZE == 2
740# define my_htolel(x) _swab_16_(x)
741# define my_letohl(x) _swab_16_(x)
742# elif LONGSIZE == 4
743# define my_htolel(x) _swab_32_(x)
744# define my_letohl(x) _swab_32_(x)
745# elif LONGSIZE == 8
746# define my_htolel(x) _swab_64_(x)
747# define my_letohl(x) _swab_64_(x)
748# else
749# define PERL_NEED_MY_HTOLEL
750# define PERL_NEED_MY_LETOHL
751# endif
752# define my_htolen(p,n) my_swabn(p,n)
753# define my_letohn(p,n) my_swabn(p,n)
754# define my_htoben(p,n) NOOP
755# define my_betohn(p,n) NOOP
756/*----------------------------------------------------------------------------*/
757# else /* all other byte-orders */
758/*----------------------------------------------------------------------------*/
759# define PERL_NEED_MY_HTOLE16
760# define PERL_NEED_MY_LETOH16
761# define PERL_NEED_MY_HTOBE16
762# define PERL_NEED_MY_BETOH16
763# define PERL_NEED_MY_HTOLE32
764# define PERL_NEED_MY_LETOH32
765# define PERL_NEED_MY_HTOBE32
766# define PERL_NEED_MY_BETOH32
767# ifdef HAS_QUAD
768# define PERL_NEED_MY_HTOLE64
769# define PERL_NEED_MY_LETOH64
770# define PERL_NEED_MY_HTOBE64
771# define PERL_NEED_MY_BETOH64
772# endif
773# define PERL_NEED_MY_HTOLES
774# define PERL_NEED_MY_LETOHS
775# define PERL_NEED_MY_HTOBES
776# define PERL_NEED_MY_BETOHS
777# define PERL_NEED_MY_HTOLEI
778# define PERL_NEED_MY_LETOHI
779# define PERL_NEED_MY_HTOBEI
780# define PERL_NEED_MY_BETOHI
781# define PERL_NEED_MY_HTOLEL
782# define PERL_NEED_MY_LETOHL
783# define PERL_NEED_MY_HTOBEL
784# define PERL_NEED_MY_BETOHL
785/*----------------------------------------------------------------------------*/
786# endif /* end of byte-order macros */
787/*----------------------------------------------------------------------------*/
788
9c17f24a
NC
789/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
790 at least on FreeBSD. YMMV, so experiment. */
791#ifndef PERL_ARENA_SIZE
792#define PERL_ARENA_SIZE 4080
793#endif
794
1109a392
MHM
795#endif /* PERL_CORE */
796
66a93824
NIS
797/* Cannot include embed.h here on Win32 as win32.h has not
798 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
799 */
96e176bf 800#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
801# include "embed.h"
802#endif
803
c31fac66
GS
804#define MEM_SIZE Size_t
805
1936d2a7
NC
806/* Round all values passed to malloc up, by default to a multiple of
807 sizeof(size_t)
808*/
809#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
810#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
811#endif
812
51371543
GS
813#if defined(STANDARD_C) && defined(I_STDDEF)
814# include <stddef.h>
815# define STRUCT_OFFSET(s,m) offsetof(s,m)
816#else
817# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
818#endif
819
27da23d5
JH
820#ifndef SYMBIAN
821# if defined(I_STRING) || defined(__cplusplus)
822# include <string.h>
823# else
824# include <strings.h>
825# endif
51371543
GS
826#endif
827
55497cff
PP
828/* This comes after <stdlib.h> so we don't try to change the standard
829 * library prototypes; we'll use our own in proto.h instead. */
03a14243 830
4633a7c4 831#ifdef MYMALLOC
86058a2d 832# ifdef PERL_POLLUTE_MALLOC
ee13e175 833# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
834# define Perl_malloc malloc
835# define Perl_calloc calloc
836# define Perl_realloc realloc
837# define Perl_mfree free
ee13e175 838# endif
86058a2d
GS
839# else
840# define EMBEDMYMALLOC /* for compatibility */
841# endif
827e134a 842
651b9576
GS
843# define safemalloc Perl_malloc
844# define safecalloc Perl_calloc
845# define saferealloc Perl_realloc
846# define safefree Perl_mfree
22f7c9c9
JH
847# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
848 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
849 code; \
850 } STMT_END
851# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
852 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
853# define panic_write2(s) write(2, s, strlen(s))
854# define CHECK_MALLOC_TAINT(newval) \
855 CHECK_MALLOC_TOO_LATE_FOR_( \
856 if (newval) { \
857 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
858 exit(1); })
22f7c9c9 859# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 860 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
861 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
862 }} STMT_END;
f2517201
GS
863#else /* MYMALLOC */
864# define safemalloc safesysmalloc
865# define safecalloc safesyscalloc
866# define saferealloc safesysrealloc
867# define safefree safesysfree
22f7c9c9
JH
868# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
869# define CHECK_MALLOC_TAINT(newval) ((void)0)
870# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 871#endif /* MYMALLOC */
4633a7c4 872
27da23d5 873#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
874#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
875#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
876#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
877
a0d0e21e
LW
878#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
879#define strchr index
880#define strrchr rindex
881#endif
882
16d20bd9
AD
883#ifdef I_MEMORY
884# include <memory.h>
885#endif
886
fe14fcc3 887#ifdef HAS_MEMCPY
85e6fe83 888# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 889# ifndef memcpy
20ce7b12 890 extern char * memcpy (char*, char*, int);
ee0007ab
LW
891# endif
892# endif
893#else
894# ifndef memcpy
895# ifdef HAS_BCOPY
896# define memcpy(d,s,l) bcopy(s,d,l)
897# else
898# define memcpy(d,s,l) my_bcopy(s,d,l)
899# endif
900# endif
901#endif /* HAS_MEMCPY */
fe14fcc3 902
ee0007ab 903#ifdef HAS_MEMSET
85e6fe83 904# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 905# ifndef memset
20ce7b12 906 extern char *memset (char*, int, int);
ee0007ab
LW
907# endif
908# endif
ee0007ab 909#else
12ae5dfc 910# undef memset
fc36a67e 911# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
912#endif /* HAS_MEMSET */
913
85e6fe83 914#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 915# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
916# define memmove(d,s,l) bcopy(s,d,l)
917# else
2304df62 918# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 919# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 920# else
79072805 921# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 922# endif
352d5a3a 923# endif
d9d8d8de 924#endif
ee0007ab 925
36477c24
PP
926#if defined(mips) && defined(ultrix) && !defined(__STDC__)
927# undef HAS_MEMCMP
928#endif
929
930#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 931# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 932# ifndef memcmp
20ce7b12 933 extern int memcmp (char*, char*, int);
ee0007ab
LW
934# endif
935# endif
36477c24 936# ifdef BUGGY_MSC
7e4e8c89 937# pragma function(memcmp)
36477c24 938# endif
ee0007ab
LW
939#else
940# ifndef memcmp
ecfc5424 941# define memcmp my_memcmp
352d5a3a 942# endif
36477c24 943#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 944
fc36a67e 945#ifndef memzero
c635e13b
PP
946# ifdef HAS_MEMSET
947# define memzero(d,l) memset(d,0,l)
79072805 948# else
c635e13b
PP
949# ifdef HAS_BZERO
950# define memzero(d,l) bzero(d,l)
79072805 951# else
fc36a67e 952# define memzero(d,l) my_bzero(d,l)
79072805
LW
953# endif
954# endif
d9d8d8de 955#endif
378cc40b 956
2f42fcb0 957#ifndef PERL_MICRO
0f27ced1
JH
958#ifndef memchr
959# ifndef HAS_MEMCHR
960# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
961# endif
962#endif
2f42fcb0 963#endif
0f27ced1 964
36477c24
PP
965#ifndef HAS_BCMP
966# ifndef bcmp
967# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 968# endif
36477c24 969#endif /* !HAS_BCMP */
378cc40b 970
ae986130 971#ifdef I_NETINET_IN
79072805 972# include <netinet/in.h>
ae986130
LW
973#endif
974
28e8609d
JH
975#ifdef I_ARPA_INET
976# include <arpa/inet.h>
977#endif
978
84902520
TB
979#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
980/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
981 * (the neo-BSD seem to do this). */
982# undef SF_APPEND
983#endif
984
1aef975c 985#ifdef I_SYS_STAT
84902520 986# include <sys/stat.h>
1aef975c 987#endif
79072805 988
a0d0e21e
LW
989/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
990 like UTekV) are broken, sometimes giving false positives. Undefine
991 them here and let the code below set them to proper values.
992
993 The ghs macro stands for GreenHills Software C-1.8.5 which
994 is the C compiler for sysV88 and the various derivatives.
995 This header file bug is corrected in gcc-2.5.8 and later versions.
996 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
997
998#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
999# undef S_ISDIR
1000# undef S_ISCHR
1001# undef S_ISBLK
1002# undef S_ISREG
1003# undef S_ISFIFO
1004# undef S_ISLNK
ee0007ab 1005#endif
135863df 1006
663a0e37
LW
1007#ifdef I_TIME
1008# include <time.h>
ffed7fef 1009#endif
663a0e37 1010
fe14fcc3 1011#ifdef I_SYS_TIME
85e6fe83 1012# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1013# define KERNEL
1014# endif
1015# include <sys/time.h>
85e6fe83 1016# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1017# undef KERNEL
1018# endif
a687059c 1019#endif
135863df 1020
55497cff 1021#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1022# include <sys/times.h>
d9d8d8de 1023#endif
8d063cd8 1024
fe14fcc3 1025#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1026# undef HAS_STRERROR
663a0e37
LW
1027#endif
1028
1029#include <errno.h>
1e743fda 1030
acfe0abc 1031#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1032# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1033#endif
1034
8cfab5ff
JH
1035/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1036 * This is important for using IPv6.
1037 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1038 * a bad idea since it breaks send() and recv(). */
1039#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1040# define _SOCKADDR_LEN
1041#endif
1042
8d3f517a 1043#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1044# include <sys/socket.h>
1045# if defined(USE_SOCKS) && defined(I_SOCKS)
1046# if !defined(INCLUDE_PROTOTYPES)
1047# define INCLUDE_PROTOTYPES /* for <socks.h> */
1048# define PERL_SOCKS_NEED_PROTOTYPES
1049# endif
1050# include <socks.h>
1051# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1052# undef INCLUDE_PROTOTYPES
1053# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1054# endif
d460ef45 1055# endif
1e743fda 1056# ifdef I_NETDB
2986a63f
JH
1057# ifdef NETWARE
1058# include<stdio.h>
1059# endif
1e743fda
JH
1060# include <netdb.h>
1061# endif
1062# ifndef ENOTSOCK
1063# ifdef I_NET_ERRNO
1064# include <net/errno.h>
1065# endif
1066# endif
1067#endif
1068
fa0a29af 1069/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1070 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1071 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1072#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1073# if defined(__THROW) && defined(__GLIBC__)
1074int sockatmark(int) __THROW;
1075# else
2ef53570 1076int sockatmark(int);
29820b6d 1077# endif
2ef53570
JH
1078#endif
1079
1e743fda
JH
1080#ifdef SETERRNO
1081# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1082#endif
f86702cc
PP
1083
1084#ifdef VMS
1085# define SETERRNO(errcode,vmserrcode) \
1086 STMT_START { \
1087 set_errno(errcode); \
1088 set_vaxc_errno(vmserrcode); \
1089 } STMT_END
93189314
JH
1090# define LIB_INVARG LIB$_INVARG
1091# define RMS_DIR RMS$_DIR
1092# define RMS_FAC RMS$_FAC
1093# define RMS_FEX RMS$_FEX
1094# define RMS_FNF RMS$_FNF
1095# define RMS_IFI RMS$_IFI
1096# define RMS_ISI RMS$_ISI
1097# define RMS_PRV RMS$_PRV
1098# define SS_ACCVIO SS$_ACCVIO
1099# define SS_DEVOFFLINE SS$_DEVOFFLINE
1100# define SS_IVCHAN SS$_IVCHAN
1101# define SS_NORMAL SS$_NORMAL
748a9306 1102#else
aba27d88 1103# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1104# define LIB_INVARG 0
1105# define RMS_DIR 0
1106# define RMS_FAC 0
1107# define RMS_FEX 0
1108# define RMS_FNF 0
1109# define RMS_IFI 0
1110# define RMS_ISI 0
1111# define RMS_PRV 0
1112# define SS_ACCVIO 0
1113# define SS_DEVOFFLINE 0
1114# define SS_IVCHAN 0
1115# define SS_NORMAL 0
748a9306 1116#endif
ed6116ce 1117
3db8f154
MB
1118#define ERRSV GvSV(PL_errgv)
1119#define DEFSV GvSV(PL_defgv)
1120#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1121
98eae8f5
GS
1122#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1123
55497cff 1124#ifndef errno
5ff3f7a4
GS
1125 extern int errno; /* ANSI allows errno to be an lvalue expr.
1126 * For example in multithreaded environments
1127 * something like this might happen:
1128 * extern int *_errno(void);
1129 * #define errno (*_errno()) */
d9d8d8de 1130#endif
663a0e37 1131
2304df62 1132#ifdef HAS_STRERROR
a0d0e21e 1133# ifdef VMS
20ce7b12 1134 char *strerror (int,...);
a0d0e21e 1135# else
68dc0745 1136#ifndef DONT_DECLARE_STD
20ce7b12 1137 char *strerror (int);
68dc0745 1138#endif
a0d0e21e 1139# endif
2304df62
AD
1140# ifndef Strerror
1141# define Strerror strerror
1142# endif
1143#else
1144# ifdef HAS_SYS_ERRLIST
79072805
LW
1145 extern int sys_nerr;
1146 extern char *sys_errlist[];
2304df62
AD
1147# ifndef Strerror
1148# define Strerror(e) \
79072805 1149 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1150# endif
79072805 1151# endif
35c8bce7 1152#endif
663a0e37 1153
2304df62 1154#ifdef I_SYS_IOCTL
79072805
LW
1155# ifndef _IOCTL_
1156# include <sys/ioctl.h>
1157# endif
a687059c
LW
1158#endif
1159
ee0007ab 1160#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1161# ifdef HAS_SOCKETPAIR
1162# undef HAS_SOCKETPAIR
1163# endif
2304df62
AD
1164# ifdef I_NDBM
1165# undef I_NDBM
79072805 1166# endif
a687059c
LW
1167#endif
1168
02fc2eee
NC
1169#ifndef HAS_SOCKETPAIR
1170# ifdef HAS_SOCKET
1171# define socketpair Perl_my_socketpair
1172# endif
1173#endif
1174
a687059c 1175#if INTSIZE == 2
79072805
LW
1176# define htoni htons
1177# define ntohi ntohs
a687059c 1178#else
79072805
LW
1179# define htoni htonl
1180# define ntohi ntohl
a687059c
LW
1181#endif
1182
a0d0e21e 1183/* Configure already sets Direntry_t */
35c8bce7 1184#if defined(I_DIRENT)
663a0e37 1185# include <dirent.h>
8f1f23e8
W
1186 /* NeXT needs dirent + sys/dir.h */
1187# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1188# include <sys/dir.h>
1189# endif
ae986130 1190#else
fe14fcc3 1191# ifdef I_SYS_NDIR
79a0689e 1192# include <sys/ndir.h>
663a0e37 1193# else
fe14fcc3 1194# ifdef I_SYS_DIR
79a0689e
LW
1195# ifdef hp9000s500
1196# include <ndir.h> /* may be wrong in the future */
1197# else
1198# include <sys/dir.h>
1199# endif
663a0e37
LW
1200# endif
1201# endif
4633a7c4 1202#endif
a687059c 1203
12ae5dfc
JH
1204#ifdef PERL_MICRO
1205# ifndef DIR
1206# define DIR void
1207# endif
1208#endif
1209
352d5a3a
LW
1210#ifdef FPUTS_BOTCH
1211/* work around botch in SunOS 4.0.1 and 4.0.2 */
1212# ifndef fputs
79072805 1213# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1214# endif
1215#endif
1216
c623bd54
LW
1217/*
1218 * The following gobbledygook brought to you on behalf of __STDC__.
1219 * (I could just use #ifndef __STDC__, but this is more bulletproof
1220 * in the face of half-implementations.)
1221 */
1222
7114a2d2 1223#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1224#include <sys/mode.h>
1225#endif
1226
c623bd54
LW
1227#ifndef S_IFMT
1228# ifdef _S_IFMT
1229# define S_IFMT _S_IFMT
1230# else
1231# define S_IFMT 0170000
1232# endif
1233#endif
1234
1235#ifndef S_ISDIR
1236# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1237#endif
1238
1239#ifndef S_ISCHR
1240# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1241#endif
1242
1243#ifndef S_ISBLK
fe14fcc3
LW
1244# ifdef S_IFBLK
1245# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1246# else
1247# define S_ISBLK(m) (0)
1248# endif
c623bd54
LW
1249#endif
1250
1251#ifndef S_ISREG
1252# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1253#endif
1254
1255#ifndef S_ISFIFO
fe14fcc3
LW
1256# ifdef S_IFIFO
1257# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1258# else
1259# define S_ISFIFO(m) (0)
1260# endif
c623bd54
LW
1261#endif
1262
1263#ifndef S_ISLNK
1264# ifdef _S_ISLNK
1265# define S_ISLNK(m) _S_ISLNK(m)
1266# else
1267# ifdef _S_IFLNK
1268# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1269# else
1270# ifdef S_IFLNK
1271# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1272# else
1273# define S_ISLNK(m) (0)
1274# endif
1275# endif
1276# endif
1277#endif
1278
1279#ifndef S_ISSOCK
1280# ifdef _S_ISSOCK
1281# define S_ISSOCK(m) _S_ISSOCK(m)
1282# else
1283# ifdef _S_IFSOCK
1284# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1285# else
1286# ifdef S_IFSOCK
1287# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1288# else
1289# define S_ISSOCK(m) (0)
1290# endif
1291# endif
1292# endif
1293#endif
1294
1295#ifndef S_IRUSR
1296# ifdef S_IREAD
1297# define S_IRUSR S_IREAD
1298# define S_IWUSR S_IWRITE
1299# define S_IXUSR S_IEXEC
1300# else
1301# define S_IRUSR 0400
1302# define S_IWUSR 0200
1303# define S_IXUSR 0100
1304# endif
fac7cdfc 1305#endif
1306
1307#ifndef S_IRGRP
1308# ifdef S_IRUSR
1309# define S_IRGRP (S_IRUSR>>3)
1310# define S_IWGRP (S_IWUSR>>3)
1311# define S_IXGRP (S_IXUSR>>3)
1312# else
1313# define S_IRGRP 0040
1314# define S_IWGRP 0020
1315# define S_IXGRP 0010
1316# endif
1317#endif
1318
1319#ifndef S_IROTH
1320# ifdef S_IRUSR
1321# define S_IROTH (S_IRUSR>>6)
1322# define S_IWOTH (S_IWUSR>>6)
1323# define S_IXOTH (S_IXUSR>>6)
1324# else
1325# define S_IROTH 0040
1326# define S_IWOTH 0020
1327# define S_IXOTH 0010
1328# endif
c623bd54
LW
1329#endif
1330
1331#ifndef S_ISUID
1332# define S_ISUID 04000
1333#endif
1334
1335#ifndef S_ISGID
1336# define S_ISGID 02000
1337#endif
1338
ca6e1c26
JH
1339#ifndef S_IRWXU
1340# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1341#endif
ca6e1c26
JH
1342
1343#ifndef S_IRWXG
1344# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1345#endif
ca6e1c26
JH
1346
1347#ifndef S_IRWXO
1348# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1349#endif
ca6e1c26 1350
c21fb2b8
JH
1351/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1352 * which would get included through <sys/file.h >, but that is 3000
1353 * lines in the future. --jhi */
1354
1355#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1356# define S_IREAD S_IRUSR
1357#endif
1358
c21fb2b8 1359#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1360# define S_IWRITE S_IWUSR
1361#endif
1362
1363#ifndef S_IEXEC
1364# define S_IEXEC S_IXUSR
1365#endif
1366
79072805
LW
1367#ifdef ff_next
1368# undef ff_next
352d5a3a
LW
1369#endif
1370
a0d0e21e 1371#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1372# define SLOPPYDIVIDE
1373#endif
1374
748a9306
LW
1375#ifdef UV
1376#undef UV
1377#endif
1378
c89df6bf
JH
1379#ifdef SPRINTF_E_BUG
1380# define sprintf UTS_sprintf_wrap
1381#endif
1382
c495e728
JH
1383/* Configure gets this right but the UTS compiler gets it wrong.
1384 -- Hal Morris <hom00@utsglobal.com> */
1385#ifdef UTS
1386# undef UVTYPE
1387# define UVTYPE unsigned
1388#endif
1389
05f13f53 1390/*
27d4fb96
PP
1391 The IV type is supposed to be long enough to hold any integral
1392 value or a pointer.
1393 --Andy Dougherty August 1996
1394*/
1395
a22e52b9
JH
1396typedef IVTYPE IV;
1397typedef UVTYPE UV;
8175356b 1398
10cc9d2a 1399#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1400# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1401# define IV_MAX INT64_MAX
1402# define IV_MIN INT64_MIN
1403# define UV_MAX UINT64_MAX
cae7ae48
JH
1404# ifndef UINT64_MIN
1405# define UINT64_MIN 0
1406# endif
5ff3f7a4
GS
1407# define UV_MIN UINT64_MIN
1408# else
1409# define IV_MAX PERL_QUAD_MAX
1410# define IV_MIN PERL_QUAD_MIN
1411# define UV_MAX PERL_UQUAD_MAX
1412# define UV_MIN PERL_UQUAD_MIN
1413# endif
cf2093f6
JH
1414# define IV_IS_QUAD
1415# define UV_IS_QUAD
79072805 1416#else
8175356b 1417# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1418# define IV_MAX INT32_MAX
1419# define IV_MIN INT32_MIN
716026f9
DL
1420# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1421# define UV_MAX UINT32_MAX
1422# else
1423# define UV_MAX 4294967295U
1424# endif
cae7ae48
JH
1425# ifndef UINT32_MIN
1426# define UINT32_MIN 0
1427# endif
5ff3f7a4
GS
1428# define UV_MIN UINT32_MIN
1429# else
1430# define IV_MAX PERL_LONG_MAX
1431# define IV_MIN PERL_LONG_MIN
1432# define UV_MAX PERL_ULONG_MAX
1433# define UV_MIN PERL_ULONG_MIN
1434# endif
8175356b 1435# if IVSIZE == 8
cf2093f6
JH
1436# define IV_IS_QUAD
1437# define UV_IS_QUAD
de1c2614
JH
1438# ifndef HAS_QUAD
1439# define HAS_QUAD
1440# endif
cf2093f6
JH
1441# else
1442# undef IV_IS_QUAD
1443# undef UV_IS_QUAD
de1c2614 1444# undef HAS_QUAD
cf2093f6 1445# endif
79072805 1446#endif
d7d93a81 1447
1109a392
MHM
1448#ifndef HAS_QUAD
1449# undef PERL_NEED_MY_HTOLE64
1450# undef PERL_NEED_MY_LETOH64
1451# undef PERL_NEED_MY_HTOBE64
1452# undef PERL_NEED_MY_BETOH64
1453#endif
1454
6cde8aec 1455#if defined(uts) || defined(UTS)
11afe549
HM
1456# undef UV_MAX
1457# define UV_MAX (4294967295u)
20601011
JH
1458#endif
1459
cae7ae48 1460#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1461#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1462
28e5dec8 1463#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1464#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1465#endif
1466
d460ef45 1467/*
26bb67e2
JH
1468 * The macros INT2PTR and NUM2PTR are (despite their names)
1469 * bi-directional: they will convert int/float to or from pointers.
1470 * However the conversion to int/float are named explicitly:
1471 * PTR2IV, PTR2UV, PTR2NV.
1472 *
1473 * For int conversions we do not need two casts if pointers are
1474 * the same size as IV and UV. Otherwise we need an explicit
1475 * cast (PTRV) to avoid compiler warnings.
1476 */
56431972
RB
1477#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1478# define PTRV UV
1479# define INT2PTR(any,d) (any)(d)
1480#else
d460ef45 1481# if PTRSIZE == LONGSIZE
56431972 1482# define PTRV unsigned long
42718184 1483# else
56431972 1484# define PTRV unsigned
42718184 1485# endif
56431972 1486# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1487#endif
56431972
RB
1488#define NUM2PTR(any,d) (any)(PTRV)(d)
1489#define PTR2IV(p) INT2PTR(IV,p)
1490#define PTR2UV(p) INT2PTR(UV,p)
1491#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1492#if PTRSIZE == LONGSIZE
d2560b70
RB
1493# define PTR2ul(p) (unsigned long)(p)
1494#else
1495# define PTR2ul(p) INT2PTR(unsigned long,p)
1496#endif
d460ef45 1497
65202027 1498#ifdef USE_LONG_DOUBLE
1048ea30
JH
1499# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1500# define LONG_DOUBLE_EQUALS_DOUBLE
1501# endif
68d4903c 1502# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1503# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1504# endif
1505#endif
1506
2d4389e4
JH
1507#ifdef OVR_DBL_DIG
1508/* Use an overridden DBL_DIG */
1509# ifdef DBL_DIG
1510# undef DBL_DIG
1511# endif
1512# define DBL_DIG OVR_DBL_DIG
1513#else
1514/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1515 default value for printing floating point numbers in Gconvert
1516 (see config.h). (It also has other uses, such as figuring out if
1517 a given precision of printing can be done with a double instead of
1518 a long double - Allen).
2d4389e4
JH
1519*/
1520#ifdef I_LIMITS
1521#include <limits.h>
1522#endif
1523#ifdef I_FLOAT
1524#include <float.h>
1525#endif
1526#ifndef HAS_DBL_DIG
1527#define DBL_DIG 15 /* A guess that works lots of places */
1528#endif
1529#endif
cbca01e1
JH
1530#ifdef I_FLOAT
1531#include <float.h>
1532#endif
1533#ifndef HAS_DBL_DIG
1534#define DBL_DIG 15 /* A guess that works lots of places */
1535#endif
2d4389e4
JH
1536
1537#ifdef OVR_LDBL_DIG
1538/* Use an overridden LDBL_DIG */
1539# ifdef LDBL_DIG
1540# undef LDBL_DIG
1541# endif
1542# define LDBL_DIG OVR_LDBL_DIG
1543#else
1544/* The following is all to get LDBL_DIG, in order to pick a nice
1545 default value for printing floating point numbers in Gconvert.
1546 (see config.h)
1547*/
68d4903c
JH
1548# ifdef I_LIMITS
1549# include <limits.h>
1550# endif
1551# ifdef I_FLOAT
1552# include <float.h>
1553# endif
1554# ifndef HAS_LDBL_DIG
1555# if LONG_DOUBLESIZE == 10
1556# define LDBL_DIG 18 /* assume IEEE */
1557# else
1558# if LONG_DOUBLESIZE == 12
1559# define LDBL_DIG 18 /* gcc? */
1560# else
1561# if LONG_DOUBLESIZE == 16
1562# define LDBL_DIG 33 /* assume IEEE */
1563# else
1564# if LONG_DOUBLESIZE == DOUBLESIZE
1565# define LDBL_DIG DBL_DIG /* bummer */
1566# endif
1567# endif
1568# endif
1569# endif
1570# endif
2d4389e4
JH
1571#endif
1572
20f6aaab
AS
1573/*
1574 * This is for making sure we have a good DBL_MAX value, if possible,
1575 * either for usage as NV_MAX or for usage in figuring out if we can
1576 * fit a given long double into a double, if bug-fixing makes it
1577 * necessary to do so. - Allen <allens@cpan.org>
1578 */
1579
205f51d8
AS
1580#ifdef I_LIMITS
1581# include <limits.h>
20f6aaab
AS
1582#endif
1583
205f51d8
AS
1584#ifdef I_VALUES
1585# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1586# include <values.h>
1587# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1588# define DBL_MAX MAXDOUBLE
1589# endif
1590# if defined(MINDOUBLE) && !defined(DBL_MIN)
1591# define DBL_MIN MINDOUBLE
1592# endif
1593# endif
1594#endif /* defined(I_VALUES) */
1595
a22e52b9 1596typedef NVTYPE NV;
8175356b 1597
792d8dab
JH
1598#ifdef I_IEEEFP
1599# include <ieeefp.h>
1600#endif
923fc586 1601
65202027 1602#ifdef USE_LONG_DOUBLE
923fc586
JH
1603# ifdef I_SUNMATH
1604# include <sunmath.h>
1605# endif
2d4389e4 1606# define NV_DIG LDBL_DIG
d6c14000
JH
1607# ifdef LDBL_MANT_DIG
1608# define NV_MANT_DIG LDBL_MANT_DIG
1609# endif
06fc1729
JH
1610# ifdef LDBL_MIN
1611# define NV_MIN LDBL_MIN
1612# endif
1613# ifdef LDBL_MAX
1614# define NV_MAX LDBL_MAX
1615# endif
1616# ifdef LDBL_MIN_10_EXP
1617# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1618# endif
1619# ifdef LDBL_MAX_10_EXP
1620# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1621# endif
1622# ifdef LDBL_EPSILON
1623# define NV_EPSILON LDBL_EPSILON
1624# endif
f4a14a62
JH
1625# ifdef LDBL_MAX
1626# define NV_MAX LDBL_MAX
20f6aaab 1627/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1628# else
1629# ifdef HUGE_VALL
1630# define NV_MAX HUGE_VALL
1631# else
1632# ifdef HUGE_VAL
1633# define NV_MAX ((NV)HUGE_VAL)
1634# endif
1635# endif
1636# endif
68d4903c 1637# ifdef HAS_SQRTL
68d4903c
JH
1638# define Perl_cos cosl
1639# define Perl_sin sinl
1640# define Perl_sqrt sqrtl
1641# define Perl_exp expl
1642# define Perl_log logl
1643# define Perl_atan2 atan2l
1644# define Perl_pow powl
1645# define Perl_floor floorl
1bbae031 1646# define Perl_ceil ceill
68d4903c
JH
1647# define Perl_fmod fmodl
1648# endif
a3540c92
JH
1649/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1650# ifdef HAS_MODFL
1651# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1652/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1653 prototype in <math.h> */
1654# ifndef HAS_MODFL_PROTO
a221a8a5 1655EXTERN_C long double modfl(long double, long double *);
51997bc3 1656# endif
03476e8e
JH
1657# else
1658# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1659 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1660# define Perl_modf(x,y) Perl_my_modfl(x,y)
1661# endif
a3540c92
JH
1662# endif
1663# ifdef HAS_FREXPL
dff3e0b8 1664# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1665# else
1666# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1667 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1668# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1669# endif
a3540c92 1670# endif
38dbb4c5 1671# ifndef Perl_isnan
758a5d79
JH
1672# ifdef HAS_ISNANL
1673# define Perl_isnan(x) isnanl(x)
1674# endif
1675# endif
1676# ifndef Perl_isinf
1677# ifdef HAS_FINITEL
1678# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1679# endif
1680# endif
65202027 1681#else
2d4389e4 1682# define NV_DIG DBL_DIG
d6c14000
JH
1683# ifdef DBL_MANT_DIG
1684# define NV_MANT_DIG DBL_MANT_DIG
1685# endif
06fc1729
JH
1686# ifdef DBL_MIN
1687# define NV_MIN DBL_MIN
1688# endif
1689# ifdef DBL_MAX
1690# define NV_MAX DBL_MAX
1691# endif
1692# ifdef DBL_MIN_10_EXP
1693# define NV_MIN_10_EXP DBL_MIN_10_EXP
1694# endif
1695# ifdef DBL_MAX_10_EXP
1696# define NV_MAX_10_EXP DBL_MAX_10_EXP
1697# endif
1698# ifdef DBL_EPSILON
1699# define NV_EPSILON DBL_EPSILON
1700# endif
205f51d8 1701# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1702# define NV_MAX DBL_MAX
1703# define NV_MIN DBL_MIN
1704# else
1705# ifdef HUGE_VAL
1706# define NV_MAX HUGE_VAL
1707# endif
1708# endif
65202027
DS
1709# define Perl_cos cos
1710# define Perl_sin sin
1711# define Perl_sqrt sqrt
1712# define Perl_exp exp
1713# define Perl_log log
1714# define Perl_atan2 atan2
1715# define Perl_pow pow
1716# define Perl_floor floor
1bbae031 1717# define Perl_ceil ceil
65202027 1718# define Perl_fmod fmod
a3540c92 1719# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1720# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1721#endif
1722
1723/* rumor has it that Win32 has _fpclass() */
1724
205f51d8
AS
1725/* SGI has fpclassl... but not with the same result values,
1726 * and it's via a typedef (not via #define), so will need to redo Configure
1727 * to use. Not worth the trouble, IMO, at least until the below is used
1728 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1729 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1730 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1731
758a5d79
JH
1732#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1733# ifdef I_IEEFP
1734# include <ieeefp.h>
1735# endif
1736# ifdef I_FP
1737# include <fp.h>
1738# endif
1739# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1740# define Perl_fp_class() fpclassl(x)
1741# else
1742# define Perl_fp_class() fpclass(x)
1743# endif
1744# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1745# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1746# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1747# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1748# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1749# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1750# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1751# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1752# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1753# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1754# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1755# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1756# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1757# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1758# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1759#endif
1760
7114a2d2 1761#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1762# include <math.h>
1763# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1764# include <fp_class.h>
1765# endif
1766# define Perl_fp_class(x) fp_class(x)
1767# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1768# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1769# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1770# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1771# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1772# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1773# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1774# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1775# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1776# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1777# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1778# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1779# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1780# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1781# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1782#endif
1783
1784#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1785# include <math.h>
1786# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1787# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1788# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1789# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1790# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1791# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1792#endif
1793
1794#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1795# include <math.h>
1796# ifndef _cplusplus
1797# define Perl_fp_class(x) class(x)
1798# else
1799# define Perl_fp_class(x) _class(x)
1800# endif
1801# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1802# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1803# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1804# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1805# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1806# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1807# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1808# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1809# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1810# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1811# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1812# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1813# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1814# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1815# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1816#endif
1817
1818/* rumor has it that Win32 has _isnan() */
1819
1820#ifndef Perl_isnan
a3540c92 1821# ifdef HAS_ISNAN
758a5d79
JH
1822# define Perl_isnan(x) isnan((NV)x)
1823# else
1824# ifdef Perl_fp_class_nan
1825# define Perl_isnan(x) Perl_fp_class_nan(x)
1826# else
1827# ifdef HAS_UNORDERED
1828# define Perl_isnan(x) unordered((x), 0.0)
1829# else
1830# define Perl_isnan(x) ((x)!=(x))
1831# endif
1832# endif
1833# endif
1834#endif
1835
ca6c63e1
JH
1836#ifdef UNDER_CE
1837int isnan(double d);
1838#endif
1839
758a5d79
JH
1840#ifndef Perl_isinf
1841# ifdef HAS_ISINF
1842# define Perl_isinf(x) isinf((NV)x)
a3540c92 1843# else
758a5d79
JH
1844# ifdef Perl_fp_class_inf
1845# define Perl_isinf(x) Perl_fp_class_inf(x)
1846# else
1847# define Perl_isinf(x) ((x)==NV_INF)
1848# endif
1849# endif
1850#endif
1851
1852#ifndef Perl_isfinite
1853# ifdef HAS_FINITE
1854# define Perl_isfinite(x) finite((NV)x)
1855# else
1856# ifdef HAS_ISFINITE
1857# define Perl_isfinite(x) isfinite(x)
1858# else
1859# ifdef Perl_fp_class_finite
1860# define Perl_isfinite(x) Perl_fp_class_finite(x)
1861# else
1862# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1863# endif
1864# endif
a3540c92 1865# endif
65202027
DS
1866#endif
1867
a36244b7
JH
1868/* The default is to use Perl's own atof() implementation (in numeric.c).
1869 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1870 * it is however best to use the native implementation of atof.
1871 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1872 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1873 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1874 * you may need to be using a different function than atof! */
a36244b7
JH
1875
1876#ifndef USE_PERL_ATOF
1877# ifndef _UNICOS
1878# define USE_PERL_ATOF
1879# endif
1880#else
1881# if USE_PERL_ATOF == 0
1882# undef USE_PERL_ATOF
1883# endif
1884#endif
1885
1886#ifdef USE_PERL_ATOF
1887# define Perl_atof(s) Perl_my_atof(s)
1888# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1889#else
1890# define Perl_atof(s) (NV)atof(s)
1891# define Perl_atof2(s, n) ((n) = atof(s))
1892#endif
cf2093f6 1893
d460ef45 1894/* Previously these definitions used hardcoded figures.
760ac839
LW
1895 * It is hoped these formula are more portable, although
1896 * no data one way or another is presently known to me.
1897 * The "PERL_" names are used because these calculated constants
1898 * do not meet the ANSI requirements for LONG_MAX, etc., which
1899 * need to be constants acceptable to #if - kja
1900 * define PERL_LONG_MAX 2147483647L
1901 * define PERL_LONG_MIN (-LONG_MAX - 1)
1902 * define PERL ULONG_MAX 4294967295L
1903 */
1904
1905#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1906# include <limits.h>
760ac839 1907#endif
205f51d8
AS
1908/* Included values.h above if necessary; still including limits.h down here,
1909 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1910
99abf803
PP
1911/*
1912 * Try to figure out max and min values for the integral types. THE CORRECT
1913 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1914 * following hacks are used if neither limits.h or values.h provide them:
1915 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1916 * for types < int: (unsigned TYPE)~(unsigned)0
1917 * The argument to ~ must be unsigned so that later signed->unsigned
1918 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1919 * and it must not be smaller than int because ~ does integral promotion.
1920 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1921 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1922 * The latter is a hack which happens to work on some machines but
1923 * does *not* catch any random system, or things like integer types
1924 * with NaN if that is possible.
1925 *
1926 * All of the types are explicitly cast to prevent accidental loss of
1927 * numeric range, and in the hope that they will be less likely to confuse
1928 * over-eager optimizers.
1929 *
1930 */
27d4fb96 1931
99abf803
PP
1932#define PERL_UCHAR_MIN ((unsigned char)0)
1933
1934#ifdef UCHAR_MAX
1935# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1936#else
99abf803
PP
1937# ifdef MAXUCHAR
1938# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1939# else
99abf803 1940# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1941# endif
1942#endif
d460ef45 1943
99abf803
PP
1944/*
1945 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1946 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1947 * depending on local options. Until Configure detects this (or at least
1948 * detects whether the "signed" keyword is available) the CHAR ranges
1949 * will not be included. UCHAR functions normally.
1950 * - kja
1951 */
27d4fb96 1952
99abf803
PP
1953#define PERL_USHORT_MIN ((unsigned short)0)
1954
1955#ifdef USHORT_MAX
1956# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1957#else
99abf803
PP
1958# ifdef MAXUSHORT
1959# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1960# else
ef2f54b0
CB
1961# ifdef USHRT_MAX
1962# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1963# else
1964# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1965# endif
27d4fb96
PP
1966# endif
1967#endif
1968
27d4fb96 1969#ifdef SHORT_MAX
99abf803 1970# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1971#else
1972# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1973# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1974# else
ef2f54b0
CB
1975# ifdef SHRT_MAX
1976# define PERL_SHORT_MAX ((short)SHRT_MAX)
1977# else
1978# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1979# endif
27d4fb96
PP
1980# endif
1981#endif
1982
1983#ifdef SHORT_MIN
99abf803 1984# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1985#else
1986# ifdef MINSHORT
99abf803 1987# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1988# else
ef2f54b0
CB
1989# ifdef SHRT_MIN
1990# define PERL_SHORT_MIN ((short)SHRT_MIN)
1991# else
1992# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1993# endif
27d4fb96
PP
1994# endif
1995#endif
1996
99abf803
PP
1997#ifdef UINT_MAX
1998# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1999#else
99abf803
PP
2000# ifdef MAXUINT
2001# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2002# else
99abf803 2003# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2004# endif
2005#endif
2006
99abf803 2007#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2008
2009#ifdef INT_MAX
99abf803 2010# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2011#else
2012# ifdef MAXINT /* Often used in <values.h> */
99abf803 2013# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2014# else
99abf803 2015# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2016# endif
2017#endif
2018
2019#ifdef INT_MIN
99abf803 2020# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2021#else
2022# ifdef MININT
99abf803 2023# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2024# else
2025# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2026# endif
2027#endif
2028
99abf803
PP
2029#ifdef ULONG_MAX
2030# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2031#else
99abf803
PP
2032# ifdef MAXULONG
2033# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2034# else
99abf803 2035# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2036# endif
2037#endif
2038
99abf803 2039#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2040
760ac839 2041#ifdef LONG_MAX
99abf803 2042# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2043#else
2044# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2045# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2046# else
99abf803 2047# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2048# endif
2049#endif
2050
2051#ifdef LONG_MIN
99abf803 2052# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2053#else
2054# ifdef MINLONG
99abf803 2055# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2056# else
27d4fb96 2057# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2058# endif
2059#endif
2060
d7d93a81 2061#ifdef UV_IS_QUAD
99abf803 2062
99abf803 2063# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2064# define PERL_UQUAD_MIN ((UV)0)
99abf803 2065# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2066# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2067
79072805
LW
2068#endif
2069
22f7c9c9
JH
2070#ifdef MYMALLOC
2071# include "malloc_ctl.h"
2072#endif
2073
830247a4 2074struct RExC_state_t;
880b20b6 2075
ee0007ab 2076typedef MEM_SIZE STRLEN;
450a55e4 2077
79072805
LW
2078typedef struct op OP;
2079typedef struct cop COP;
2080typedef struct unop UNOP;
2081typedef struct binop BINOP;
2082typedef struct listop LISTOP;
2083typedef struct logop LOGOP;
79072805
LW
2084typedef struct pmop PMOP;
2085typedef struct svop SVOP;
7934575e 2086typedef struct padop PADOP;
79072805 2087typedef struct pvop PVOP;
79072805
LW
2088typedef struct loop LOOP;
2089
93a17b20 2090typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2091
2092/* Amdahl's <ksync.h> has struct sv */
2093/* SGI's <sys/sema.h> has struct sv */
2094#if defined(UTS) || defined(__sgi)
2095# define STRUCT_SV perl_sv
b8d3c5db
JH
2096#else
2097# define STRUCT_SV sv
2098#endif
2099typedef struct STRUCT_SV SV;
79072805
LW
2100typedef struct av AV;
2101typedef struct hv HV;
2102typedef struct cv CV;
378cc40b 2103typedef struct regexp REGEXP;
79072805 2104typedef struct gp GP;
0c30d9ec 2105typedef struct gv GV;
8990e307 2106typedef struct io IO;
c09156bb 2107typedef struct context PERL_CONTEXT;
79072805
LW
2108typedef struct block BLOCK;
2109
2110typedef struct magic MAGIC;
2111typedef struct xpv XPV;
2112typedef struct xpviv XPVIV;
ff68c719 2113typedef struct xpvuv XPVUV;
79072805
LW
2114typedef struct xpvnv XPVNV;
2115typedef struct xpvmg XPVMG;
2116typedef struct xpvlv XPVLV;
2117typedef struct xpvav XPVAV;
2118typedef struct xpvhv XPVHV;
2119typedef struct xpvgv XPVGV;
2120typedef struct xpvcv XPVCV;
2121typedef struct xpvbm XPVBM;
2122typedef struct xpvfm XPVFM;
8990e307 2123typedef struct xpvio XPVIO;
79072805
LW
2124typedef struct mgvtbl MGVTBL;
2125typedef union any ANY;
5f7fde29
GS
2126typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2127typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2128typedef struct clone_params CLONE_PARAMS;
2129
378cc40b 2130#include "handy.h"
a0d0e21e 2131
6b8eaf93 2132#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2133# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2134# define USE_64_BIT_RAWIO /* implicit */
2135# endif
4564133c
JH
2136#endif
2137
6b8eaf93
JH
2138/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2139 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2140 * however, because operating systems like to do that themself. */
2141#ifndef FSEEKSIZE
2142# ifdef HAS_FSEEKO
2143# define FSEEKSIZE LSEEKSIZE
2144# else
2145# define FSEEKSIZE LONGSIZE
d460ef45 2146# endif
6b8eaf93
JH
2147#endif
2148
2149#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2150# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2151# define USE_64_BIT_STDIO /* implicit */
2152# endif
2153#endif
4564133c 2154
09458382 2155#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2156# ifdef HAS_OFF64_T
2157# undef Off_t
2158# define Off_t off64_t
2159# undef LSEEKSIZE
2160# define LSEEKSIZE 8
5ff3f7a4 2161# endif
d9b3e12d
JH
2162/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2163 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2164 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2165# if defined(USE_OPEN64)
2166# define open open64
5ff3f7a4 2167# endif
d9b3e12d
JH
2168# if defined(USE_LSEEK64)
2169# define lseek lseek64
6b8eaf93
JH
2170# else
2171# if defined(USE_LLSEEK)
2172# define lseek llseek
2173# endif
d9b3e12d
JH
2174# endif
2175# if defined(USE_STAT64)
2176# define stat stat64
2177# endif
2178# if defined(USE_FSTAT64)
2179# define fstat fstat64
2180# endif
2181# if defined(USE_LSTAT64)
2182# define lstat lstat64
2183# endif
2184# if defined(USE_FLOCK64)
2185# define flock flock64
2186# endif
2187# if defined(USE_LOCKF64)
2188# define lockf lockf64
2189# endif
2190# if defined(USE_FCNTL64)
2191# define fcntl fcntl64
2192# endif
2193# if defined(USE_TRUNCATE64)
2194# define truncate truncate64
2195# endif
2196# if defined(USE_FTRUNCATE64)
2197# define ftruncate ftruncate64
2198# endif
2199#endif
2200
2201#ifdef USE_64_BIT_STDIO
2202# ifdef HAS_FPOS64_T
2203# undef Fpos_t
2204# define Fpos_t fpos64_t
2205# endif
2206/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2207 * will trigger defines like the ones below. Some 64-bit environments,
2208 * however, do not. */
2209# if defined(USE_FOPEN64)
2210# define fopen fopen64
2211# endif
2212# if defined(USE_FSEEK64)
6b8eaf93 2213# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2214# endif
2215# if defined(USE_FTELL64)
6b8eaf93 2216# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2217# endif
2218# if defined(USE_FSETPOS64)
2219# define fsetpos fsetpos64
2220# endif
2221# if defined(USE_FGETPOS64)
2222# define fgetpos fgetpos64
2223# endif
2224# if defined(USE_TMPFILE64)
2225# define tmpfile tmpfile64
2226# endif
2227# if defined(USE_FREOPEN64)
2228# define freopen freopen64
5ff3f7a4
GS
2229# endif
2230#endif
2231
af8b425d 2232#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2233# include "iperlsys.h"
2234#endif
2235
6f71a643 2236#if defined(__OPEN_VM)
19848b3f
JH
2237# include "vmesa/vmesaish.h"
2238# define ISHISH "vmesa"
6f71a643
JH
2239#endif
2240
748a9306 2241#ifdef DOSISH
19848b3f
JH
2242# if defined(OS2)
2243# include "os2ish.h"
2244# else
2245# include "dosish.h"
2246# endif
2247# define ISHISH "dos"
2248#endif
2249
2250#if defined(VMS)
748a9306 2251# include "vmsish.h"
96e176bf 2252# include "embed.h"
19848b3f
JH
2253# define ISHISH "vms"
2254#endif
2255
2256#if defined(PLAN9)
2257# include "./plan9/plan9ish.h"
2258# define ISHISH "plan9"
2259#endif
2260
2261#if defined(MPE)
2262# include "mpeix/mpeixish.h"
2263# define ISHISH "mpeix"
2264#endif
2265
2266#if defined(__VOS__)
196918b0
PG
2267# ifdef __GNUC__
2268# include "./vos/vosish.h"
2269# else
2270# include "vos/vosish.h"
2271# endif
19848b3f
JH
2272# define ISHISH "vos"
2273#endif
2274
2275#if defined(EPOC)
2276# include "epocish.h"
2277# define ISHISH "epoc"
2278#endif
2279
27da23d5
JH
2280#ifdef SYMBIAN
2281# include "symbian/symbianish.h"
2282# include "embed.h"
2283# define ISHISH "symbian"
2284#endif
2285
19848b3f
JH
2286#if defined(MACOS_TRADITIONAL)
2287# include "macos/macish.h"
2288# ifndef NO_ENVIRON_ARRAY
2289# define NO_ENVIRON_ARRAY
0c30d9ec 2290# endif
19848b3f
JH
2291# define ISHISH "macos classic"
2292#endif
2293
efca5cc6
JH
2294#if defined(__BEOS__)
2295# include "beos/beosish.h"
2296# define ISHISH "beos"
2297#endif
2298
19848b3f
JH
2299#ifndef ISHISH
2300# include "unixish.h"
2301# define ISHISH "unix"
13b6e58c
JH
2302#endif
2303
2304#ifndef NO_ENVIRON_ARRAY
2305# define USE_ENVIRON_ARRAY
2306#endif
32f822de 2307
c77b533b
JH
2308/*
2309 * initialise to avoid floating-point exceptions from overflow, etc
2310 */
2311#ifndef PERL_FPU_INIT
2312# ifdef HAS_FPSETMASK
2313# if HAS_FLOATINGPOINT_H
2314# include <floatingpoint.h>
2315# endif
2316# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2317# else
2f42fcb0 2318# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2319# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2320# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2321# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2322# else
2323# define PERL_FPU_INIT
2f42fcb0 2324
7014c407 2325# endif
c77b533b
JH
2326# endif
2327#endif
b35112e7
CS
2328#ifndef PERL_FPU_PRE_EXEC
2329# define PERL_FPU_PRE_EXEC {
2330# define PERL_FPU_POST_EXEC }
2331#endif
c77b533b 2332
ed344e4f
IZ
2333#ifndef PERL_SYS_INIT3
2334# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2335#endif
2336
be708cc0
JH
2337#ifndef PERL_WRITE_MSG_TO_CONSOLE
2338# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2339#endif
2340
0f31cffe
GS
2341#ifndef MAXPATHLEN
2342# ifdef PATH_MAX
b990c8b2
JH
2343# ifdef _POSIX_PATH_MAX
2344# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2345/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2346 * included the null byte or not. Later amendments of POSIX,
2347 * XPG4, the Austin Group, and the Single UNIX Specification
2348 * all explicitly include the null byte in the PATH_MAX.
2349 * Ditto for _POSIX_PATH_MAX. */
2350# define MAXPATHLEN PATH_MAX
b990c8b2 2351# else
09448d78 2352# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2353# endif
2354# else
2355# define MAXPATHLEN (PATH_MAX+1)
2356# endif
0f31cffe 2357# else
b990c8b2 2358# ifdef _POSIX_PATH_MAX
09448d78 2359# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2360# else
2361# define MAXPATHLEN 1024 /* Err on the large side. */
2362# endif
0f31cffe
GS
2363# endif
2364#endif
2365
3db8f154 2366/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2367 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2368 * this results in many functions being undeclared which bothers C++
2369 * May make sense to have threads after "*ish.h" anyway
2370 */
2371
3db8f154 2372#if defined(USE_ITHREADS)
2986a63f
JH
2373# ifdef NETWARE
2374# include <nw5thread.h>
2375# else
32f822de
GS
2376# ifdef FAKE_THREADS
2377# include "fakethr.h"
2378# else
2379# ifdef WIN32
2380# include <win32thread.h>
2381# else
dd96f567
IZ
2382# ifdef OS2
2383# include "os2thread.h"
2384# else
7f3d1cf1 2385# ifdef I_MACH_CTHREADS
bdd66968 2386# include <mach/cthreads.h>
8f1f23e8 2387# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2388# define MUTEX_INIT_CALLS_MALLOC
2389# endif
7f3d1cf1
BH
2390typedef cthread_t perl_os_thread;
2391typedef mutex_t perl_mutex;
2392typedef condition_t perl_cond;
2393typedef void * perl_key;
2394# else /* Posix threads */
1f5ae88c
JH
2395# ifdef I_PTHREAD
2396# include <pthread.h>
2397# endif
7f3d1cf1
BH
2398typedef pthread_t perl_os_thread;
2399typedef pthread_mutex_t perl_mutex;
2400typedef pthread_cond_t perl_cond;
2401typedef pthread_key_t perl_key;
2402# endif /* I_MACH_CTHREADS */
dd96f567 2403# endif /* OS2 */
32f822de
GS
2404# endif /* WIN32 */
2405# endif /* FAKE_THREADS */
2986a63f 2406#endif /* NETWARE */
3db8f154 2407#endif /* USE_ITHREADS */
c5be433b 2408
66a93824 2409#if defined(WIN32)
1feb2720 2410# include "win32.h"
c5be433b
GS
2411#endif
2412
2986a63f
JH
2413#ifdef NETWARE
2414# include "netware.h"
2415#endif
2416
e5218da5 2417#define STATUS_UNIX PL_statusvalue
68dc0745 2418#ifdef VMS
6b88bc9c 2419# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2420# define STATUS_NATIVE_EXPORT \
d98f61e7 2421 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2422# define STATUS_NATIVE_SET(n) \
2423 STMT_START { \
6b88bc9c
GS
2424 PL_statusvalue_vms = (n); \
2425 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2426 PL_statusvalue = -1; \
6b88bc9c 2427 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2428 PL_statusvalue = 0; \
6b88bc9c
GS
2429 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2430 PL_statusvalue = 1 << 8; \
68dc0745 2431 else \
6b88bc9c 2432 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2433 } STMT_END
68dc0745 2434# ifdef VMSISH_STATUS
e5218da5 2435# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2436# else
e5218da5 2437# define STATUS_CURRENT STATUS_UNIX
68dc0745 2438# endif
e5218da5 2439# define STATUS_UNIX_SET(n) \
68dc0745 2440 STMT_START { \
3280af22
NIS
2441 PL_statusvalue = (n); \
2442 if (PL_statusvalue != -1) { \
2443 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2444 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2445 } \
6b88bc9c 2446 else PL_statusvalue_vms = -1; \
68dc0745 2447 } STMT_END
6b88bc9c
GS
2448# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2449# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2450#else
e5218da5
GA
2451# define STATUS_NATIVE PL_statusvalue_posix
2452# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2453# if defined(WCOREDUMP)
2454# define STATUS_NATIVE_SET(n) \
2455 STMT_START { \
2456 PL_statusvalue_posix = (n); \
2457 if (PL_statusvalue_posix == -1) \
2458 PL_statusvalue = -1; \
2459 else { \
2460 PL_statusvalue = \
2461 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2462 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2463 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2464 } \
2465 } STMT_END
2466# elif defined(WIFEXITED)
2467# define STATUS_NATIVE_SET(n) \
2468 STMT_START { \
2469 PL_statusvalue_posix = (n); \
2470 if (PL_statusvalue_posix == -1) \
2471 PL_statusvalue = -1; \
2472 else { \
2473 PL_statusvalue = \
2474 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2475 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2476 } \
2477 } STMT_END
2478# else
2479# define STATUS_NATIVE_SET(n) \
2480 STMT_START { \
2481 PL_statusvalue_posix = (n); \
2482 if (PL_statusvalue_posix == -1) \
2483 PL_statusvalue = -1; \
2484 else { \
2485 PL_statusvalue = \
2486 PL_statusvalue_posix & 0xFFFF; \
2487 } \
2488 } STMT_END
2489# endif
2490# define STATUS_UNIX_SET(n) \
68dc0745 2491 STMT_START { \
3280af22 2492 PL_statusvalue = (n); \
e5218da5 2493 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2494 if (PL_statusvalue != -1) \
2495 PL_statusvalue &= 0xFFFF; \
68dc0745 2496 } STMT_END
e5218da5
GA
2497# define STATUS_CURRENT STATUS_UNIX
2498# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2499# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2500#endif
2501
cc3604b1
GS
2502/* flags in PL_exit_flags for nature of exit() */
2503#define PERL_EXIT_EXPECTED 0x01
31d77e54 2504#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2505
0b94c7bb 2506#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2507# define MEMBER_TO_FPTR(name) name
2508#endif
2509
2510/* format to use for version numbers in file/directory names */
273cf8d1 2511/* XXX move to Configure? */
a7cb1f99 2512#ifndef PERL_FS_VER_FMT
273cf8d1 2513# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2514#endif
2515
45bc9206 2516/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2517 * performance issue, so we allow people to disable it. Also, if
2518 * we are using stdio, there are broken implementations of fflush(NULL)
2519 * out there, Solaris being the most prominent.
45bc9206
GS
2520 */
2521#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2522# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2523# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2524# else
2525# ifdef FFLUSH_ALL
2526# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2527# else
c5be433b 2528# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2529# endif
66fe083f 2530# endif
45bc9206
GS
2531#endif
2532
7766f137
GS
2533#ifndef PERL_WAIT_FOR_CHILDREN
2534# define PERL_WAIT_FOR_CHILDREN NOOP
2535#endif
2536
ba869deb 2537/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2538#ifndef PERL_SET_INTERP
2539# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2540#endif
2541
2542#ifndef PERL_GET_INTERP
2543# define PERL_GET_INTERP (PL_curinterp)
2544#endif
2545
54aff467 2546#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2547# ifdef MULTIPLICITY
ba869deb 2548# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2549# endif
ba869deb
GS
2550# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2551#endif
2552
0dbb1585
AL
2553/* This replaces the previous %_ "hack" by the "%-p" hack
2554 All that is required is that the perl source does not
2555 use "%-p" or "%-<number>p" format. These format will
2556 still work in perl code. RMB 2005/05/17
2557*/
894356b3 2558#ifndef SVf
0dbb1585 2559# define SVf "-p"
894356b3
GS
2560#endif
2561
014ead4b 2562#ifndef SVf_precision
0dbb1585 2563# define SVf_precision(n) "-" n "p"
d2560b70
RB
2564#endif
2565
014ead4b
RB
2566#ifndef SVf32
2567# define SVf32 SVf_precision("32")
2568#endif
2569
2570#ifndef SVf256
2571# define SVf256 SVf_precision("256")
2572#endif
2573
2574#ifndef UVf
2575# define UVf UVuf
d2560b70
RB
2576#endif
2577
5df617be 2578#ifndef DieNull
0dbb1585 2579# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2580#endif
2581
0dbb1585
AL
2582/* In case Configure was not used (we are using a "canned config"
2583 * such as Win32, or a cross-compilation setup, for example) try going
2584 * by the gcc major and minor versions. One useful URL is
2585 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2586 * but contrary to this information warn_unused_result seems
2587 * not to be in gcc 3.3.5, at least. --jhi */
2588#if defined __GNUC__
2589# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2590# define HASATTRIBUTE_FORMAT
2591# endif
2592# if __GNUC__ >= 3 /* 3.0 -> */
2593# define HASATTRIBUTE_MALLOC
2594# endif
2595# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2596# define HASATTRIBUTE_NONNULL
2597# endif
2598# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2599# define HASATTRIBUTE_NORETURN
2600# endif
2601# if __GNUC__ >= 3 /* gcc 3.0 -> */
2602# define HASATTRIBUTE_PURE
2603# endif
2604# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2605# define HASATTRIBUTE_UNUSED
2606# endif
2607# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2608# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB
2609# endif
2610#endif
b7787f18 2611
f22be1b8 2612
0dbb1585
AL
2613#ifdef HASATTRIBUTE_FORMAT
2614# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2615#endif
2616#ifdef HASATTRIBUTE_MALLOC
abb2c242 2617# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2618#endif
0dbb1585 2619#ifdef HASATTRIBUTE_NONNULL
abb2c242 2620# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2621#endif
0dbb1585 2622#ifdef HASATTRIBUTE_NORETURN
abb2c242 2623# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2624#endif
0dbb1585 2625#ifdef HASATTRIBUTE_PURE
abb2c242 2626# define __attribute__pure__ __attribute__((pure))
f22be1b8 2627#endif
0dbb1585
AL
2628#ifdef HASATTRIBUTE_UNUSED
2629# define __attribute__unused__ __attribute__((unused))
2630#endif
2631#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2632# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2633#endif
2634
0dbb1585
AL
2635/* If we haven't defined the attributes yet, define them to blank. */
2636#ifndef __attribute__format__
2637# define __attribute__format__(x,y,z)
2638#endif
f22be1b8 2639#ifndef __attribute__malloc__
abb2c242 2640# define __attribute__malloc__
f22be1b8
JH
2641#endif
2642#ifndef __attribute__nonnull__
abb2c242 2643# define __attribute__nonnull__(a)
f22be1b8
JH
2644#endif
2645#ifndef __attribute__noreturn__
abb2c242 2646# define __attribute__noreturn__
f22be1b8
JH
2647#endif
2648#ifndef __attribute__pure__
abb2c242 2649# define __attribute__pure__
f22be1b8 2650#endif
0dbb1585
AL
2651#ifndef __attribute__unused__
2652# define __attribute__unused__
2653#endif
f22be1b8 2654#ifndef __attribute__warn_unused_result__
abb2c242
JH
2655# define __attribute__warn_unused_result__
2656#endif
2657
0dbb1585
AL
2658/* For functions that are marked as __attribute__noreturn__, it's not
2659 appropriate to call return. In either case, include the lint directive.
2660 */
2661#ifdef HASATTRIBUTE_NORETURN
2662# define NORETURN_FUNCTION_END /* NOT REACHED */
2663#else
2664# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2665#endif
2666
3fc1aec6
PP
2667/* Some unistd.h's give a prototype for pause() even though
2668 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2669 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2670*/
2671#ifdef HAS_PAUSE
2672#define Pause pause
2673#else
2674#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2675#endif
2676
2677#ifndef IOCPARM_LEN
2678# ifdef IOCPARM_MASK
2679 /* on BSDish systes we're safe */
2680# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2681# else
2682 /* otherwise guess at what's safe */
2683# define IOCPARM_LEN(x) 256
2684# endif
a0d0e21e
LW
2685#endif
2686
1761cee5 2687#if defined(__CYGWIN__)
521e0776
GS
2688/* USEMYBINMODE
2689 * This symbol, if defined, indicates that the program should
16fe6d59 2690 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2691 * that a file is in "binary" mode -- that is, that no translation
2692 * of bytes occurs on read or write operations.
2693 */
36894f0b 2694# define USEMYBINMODE /**/
77a40698 2695# include <io.h> /* for setmode() prototype */
16fe6d59 2696# define my_binmode(fp, iotype, mode) \
77a40698 2697 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2698#endif
2699
88d10794
JH
2700#ifdef __CYGWIN__
2701void init_os_extras(void);
2702#endif
2703
cea2e8a9
GS
2704#ifdef UNION_ANY_DEFINITION
2705UNION_ANY_DEFINITION;
2706#else
2707union any {
2708 void* any_ptr;
2709 I32 any_i32;
2710 IV any_iv;
2711 long any_long;
9febdf04 2712 bool any_bool;
c76ac1ee 2713 void (*any_dptr) (void*);
acfe0abc 2714 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2715};
2716#endif
2717
acfe0abc 2718typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2719
2720#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2721#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2722#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2723
c5078cac
JH
2724#if defined(_AIX) && !defined(_AIX43)
2725#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2726/* We cannot include <crypt.h> to get the struct crypt_data
2727 * because of setkey prototype problems when threading */
2728typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2729 /* From OSF, Not needed in AIX
2730 char C[28], D[28];
2731 */
2732 char E[48];
2733 char KS[16][48];
2734 char block[66];
2735 char iobuf[16];
2736} CRYPTD;
2737#endif /* threading */
2738#endif /* AIX */
2739
af8b425d 2740#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2741# include "iperlsys.h"
2742#endif
504f80c1 2743
d10dc2ae
JH
2744/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2745 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2746 * defined by Configure, despite their names being similar to the
2747 * other defines like USE_ITHREADS. Configure in fact knows nothing
2748 * about the randomised hashes. Therefore to enable/disable the hash
2749 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2750#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2751# define USE_HASH_SEED
504f80c1
JH
2752#endif
2753
378cc40b 2754#include "regexp.h"
79072805 2755#include "sv.h"
378cc40b 2756#include "util.h"
8d063cd8 2757#include "form.h"
79072805 2758#include "gv.h"
dd2155a4 2759#include "pad.h"
79072805 2760#include "cv.h"
abdd5c84 2761#include "opnames.h"
79072805
LW
2762#include "op.h"
2763#include "cop.h"
2764#include "av.h"
2765#include "hv.h"
2766#include "mg.h"
2767#include "scope.h"
4438c4b7 2768#include "warnings.h"
a0ed51b3 2769#include "utf8.h"
8d063cd8 2770
7fae4e64
GS
2771/* Current curly descriptor */
2772typedef struct curcur CURCUR;
2773struct curcur {
2774 int parenfloor; /* how far back to strip paren data */
2775 int cur; /* how many instances of scan we've matched */
2776 int min; /* the minimal number of scans to match */
2777 int max; /* the maximal number of scans to match */
2778 int minmod; /* whether to work our way up or down */
2779 regnode * scan; /* the thing to match */
2780 regnode * next; /* what has to match after it */
2781 char * lastloc; /* where we started matching this scan */
2782 CURCUR * oldcc; /* current curly before we started this one */
2783};
2784
2785typedef struct _sublex_info SUBLEXINFO;
2786struct _sublex_info {
2787 I32 super_state; /* lexer state to save */
2788 I32 sub_inwhat; /* "lex_inwhat" to use */
2789 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2790 char *super_bufptr; /* PL_bufptr that was */
2791 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2792};
2793
455ece5e 2794typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2795
2c2d71f5 2796struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2797struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2798
2799typedef I32 CHECKPOINT;
76e3520e 2800
5f7fde29
GS
2801struct ptr_tbl_ent {
2802 struct ptr_tbl_ent* next;
2803 void* oldval;
2804 void* newval;
d18c6117
GS
2805};
2806
5f7fde29
GS
2807struct ptr_tbl {
2808 struct ptr_tbl_ent** tbl_ary;
2809 UV tbl_max;
2810 UV tbl_items;
d18c6117
GS
2811};
2812
450a55e4 2813#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2814# define I286
2815#endif
2816
fe14fcc3
LW
2817#if defined(htonl) && !defined(HAS_HTONL)
2818#define HAS_HTONL
ae986130 2819#endif
fe14fcc3
LW
2820#if defined(htons) && !defined(HAS_HTONS)
2821#define HAS_HTONS
ae986130 2822#endif
fe14fcc3
LW
2823#if defined(ntohl) && !defined(HAS_NTOHL)
2824#define HAS_NTOHL
ae986130 2825#endif
fe14fcc3
LW
2826#if defined(ntohs) && !defined(HAS_NTOHS)
2827#define HAS_NTOHS
ae986130 2828#endif
fe14fcc3 2829#ifndef HAS_HTONL
d9d8d8de 2830#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2831#define HAS_HTONS
2832#define HAS_HTONL
2833#define HAS_NTOHS
2834#define HAS_NTOHL
a687059c
LW
2835#define MYSWAP
2836#define htons my_swap
2837#define htonl my_htonl
2838#define ntohs my_swap
2839#define ntohl my_ntohl
2840#endif
2841#else
d9d8d8de 2842#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2843#undef HAS_HTONS
2844#undef HAS_HTONL
2845#undef HAS_NTOHS
2846#undef HAS_NTOHL
a687059c
LW
2847#endif
2848#endif
2849
988174c1
LW
2850/*
2851 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2852 * -DWS
2853 */
2854#if BYTEORDER != 0x1234
2855# define HAS_VTOHL
2856# define HAS_VTOHS
2857# define HAS_HTOVL
2858# define HAS_HTOVS
c67712b2 2859# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2860# define vtohl(x) ((((x)&0xFF)<<24) \
2861 +(((x)>>24)&0xFF) \
2862 +(((x)&0x0000FF00)<<8) \
2863 +(((x)&0x00FF0000)>>8) )
2864# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2865# define htovl(x) vtohl(x)
2866# define htovs(x) vtohs(x)
2867# endif
2868 /* otherwise default to functions in util.c */
2a8c3029 2869#ifndef htovs
c623ac67
GS
2870short htovs(short n);
2871short vtohs(short n);
2872long htovl(long n);
2873long vtohl(long n);
988174c1 2874#endif
2a8c3029 2875#endif
988174c1 2876
3bb7c1b4
JH
2877/* *MAX Plus 1. A floating point value.
2878 Hopefully expressed in a way that dodgy floating point can't mess up.
2879 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2880 is added to it
2881 May find that some broken compiler will want the value cast to I32.
2882 [after the shift, as signed >> may not be as secure as unsigned >>]
2883*/
2884#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2885#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2886/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2887 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2888 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2889*/
2890#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2891
3bb7c1b4
JH
2892#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2893#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2894#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2895
2896/* This may look like unnecessary jumping through hoops, but converting
2897 out of range floating point values to integers *is* undefined behaviour,
2898 and it is starting to bite.
2899*/
2900#ifndef CAST_INLINE
65202027 2901#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2902#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2903#define I_V(what) (cast_iv((NV)(what)))
2904#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2905#else
2906#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2907 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2908 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2909#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2910 : ((n) < U32_MAX_P1 ? (U32) (n) \
2911 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2912#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2913 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2914 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2915#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2916 : ((n) < UV_MAX_P1 ? (UV) (n) \
2917 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2918#endif
2919
2920#define U_S(what) ((U16)U_32(what))
2921#define U_I(what) ((unsigned int)U_32(what))
2922#define U_L(what) U_32(what)
ed6116ce 2923
2d4389e4
JH
2924/* These do not care about the fractional part, only about the range. */
2925#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2926#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2927
25da4f38
IZ
2928/* Used with UV/IV arguments: */
2929 /* XXXX: need to speed it up */
2930#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2931#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2932
352d5a3a
LW
2933#ifndef MAXSYSFD
2934# define MAXSYSFD 2
2935#endif
ee0007ab 2936
79072805 2937#ifndef __cplusplus
27da23d5 2938#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2939Uid_t getuid (void);
2940Uid_t geteuid (void);
2941Gid_t getgid (void);
2942Gid_t getegid (void);
79072805 2943#endif
e1caacb4 2944#endif
8d063cd8 2945
0c30d9ec 2946#ifndef Perl_debug_log
bf49b057
GS
2947# define Perl_debug_log PerlIO_stderr()
2948#endif
2949
2950#ifndef Perl_error_log
2951# define Perl_error_log (PL_stderrgv \
6b78add2 2952 && isGV(PL_stderrgv) \
01bb7c6d 2953 && GvIOp(PL_stderrgv) \
42de951c 2954 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2955 ? IoOFP(GvIOp(PL_stderrgv)) \
2956 : PerlIO_stderr())
0c30d9ec 2957#endif
3967c732 2958
aea4f609
DM
2959
2960#define DEBUG_p_FLAG 0x00000001 /* 1 */
2961#define DEBUG_s_FLAG 0x00000002 /* 2 */
2962#define DEBUG_l_FLAG 0x00000004 /* 4 */
2963#define DEBUG_t_FLAG 0x00000008 /* 8 */
2964#define DEBUG_o_FLAG 0x00000010 /* 16 */
2965#define DEBUG_c_FLAG 0x00000020 /* 32 */
2966#define DEBUG_P_FLAG 0x00000040 /* 64 */
2967#define DEBUG_m_FLAG 0x00000080 /* 128 */
2968#define DEBUG_f_FLAG 0x00000100 /* 256 */
2969#define DEBUG_r_FLAG 0x00000200 /* 512 */
2970#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2971#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2972 /* spare */
aea4f609
DM
2973#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2974#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2975#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2976#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2977#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2978#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2979#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2980#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2981#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2982#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2983#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2984#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
2985
2986#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2987#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2988 that something was done? */
aea4f609 2989
bd16a5f0
IZ
2990# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2991# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2992# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2993# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2994# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2995# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2996# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2997# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2998# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2999# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3000# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3001# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
3002# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3003# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3004# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3005# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3006# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3007# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3008# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3009# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3010# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3011# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3012# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3013# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3014
3967c732 3015#ifdef DEBUGGING
aea4f609 3016
bd16a5f0
IZ
3017# define DEBUG_p_TEST DEBUG_p_TEST_
3018# define DEBUG_s_TEST DEBUG_s_TEST_
3019# define DEBUG_l_TEST DEBUG_l_TEST_
3020# define DEBUG_t_TEST DEBUG_t_TEST_
3021# define DEBUG_o_TEST DEBUG_o_TEST_
3022# define DEBUG_c_TEST DEBUG_c_TEST_
3023# define DEBUG_P_TEST DEBUG_P_TEST_
3024# define DEBUG_m_TEST DEBUG_m_TEST_
3025# define DEBUG_f_TEST DEBUG_f_TEST_
3026# define DEBUG_r_TEST DEBUG_r_TEST_
3027# define DEBUG_x_TEST DEBUG_x_TEST_
3028# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3029# define DEBUG_H_TEST DEBUG_H_TEST_
3030# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3031# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3032# define DEBUG_D_TEST DEBUG_D_TEST_
3033# define DEBUG_S_TEST DEBUG_S_TEST_
3034# define DEBUG_T_TEST DEBUG_T_TEST_
3035# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3036# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3037# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3038# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3039# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3040# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3041
488b0c7a
JH
3042# define PERL_DEB(a) a
3043# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3044# define DEBUG_p(a) if (DEBUG_p_TEST) a
3045# define DEBUG_s(a) if (DEBUG_s_TEST) a
3046# define DEBUG_l(a) if (DEBUG_l_TEST) a
3047# define DEBUG_t(a) if (DEBUG_t_TEST) a
3048# define DEBUG_o(a) if (DEBUG_o_TEST) a
3049# define DEBUG_c(a) if (DEBUG_c_TEST) a
3050# define DEBUG_P(a) if (DEBUG_P_TEST) a
3051
969058bb
VK
3052 /* Temporarily turn off memory debugging in case the a
3053 * does memory allocation, either directly or indirectly. */
acfe0abc 3054# define DEBUG_m(a) \
0b250b9e 3055 STMT_START { \
aea4f609 3056 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3057 } STMT_END
aea4f609 3058
5f80b19c
AMS
3059# define DEBUG__(t, a) \
3060 STMT_START { \
3061 if (t) STMT_START {a;} STMT_END; \
3062 } STMT_END
3063
3064# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3065# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3066# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3067# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3068# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3069# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3070# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3071# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3072
3db8f154 3073# define DEBUG_S(a)
aea4f609 3074
5f80b19c
AMS
3075# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3076# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3077# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3078# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3079# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3080# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3081
3082#else /* DEBUGGING */
3083
3084# define DEBUG_p_TEST (0)
3085# define DEBUG_s_TEST (0)
3086# define DEBUG_l_TEST (0)
3087# define DEBUG_t_TEST (0)
3088# define DEBUG_o_TEST (0)
3089# define DEBUG_c_TEST (0)
3090# define DEBUG_P_TEST (0)
3091# define DEBUG_m_TEST (0)
3092# define DEBUG_f_TEST (0)
3093# define DEBUG_r_TEST (0)
3094# define DEBUG_x_TEST (0)
3095# define DEBUG_u_TEST (0)
aea4f609
DM
3096# define DEBUG_H_TEST (0)
3097# define DEBUG_X_TEST (0)
dd2155a4 3098# define DEBUG_Xv_TEST (0)
aea4f609
DM
3099# define DEBUG_D_TEST (0)
3100# define DEBUG_S_TEST (0)
3101# define DEBUG_T_TEST (0)
04932ac8 3102# define DEBUG_R_TEST (0)
1045810a 3103# define DEBUG_J_TEST (0)
d6721266 3104# define DEBUG_v_TEST (0)
46187eeb 3105# define DEBUG_C_TEST (0)
ecae49c0
NC
3106# define DEBUG_A_TEST (0)
3107# define DEBUG_q_TEST (0)
aea4f609 3108
488b0c7a
JH
3109# define PERL_DEB(a)
3110# define PERL_DEBUG(a)
aea4f609
DM
3111# define DEBUG_p(a)
3112# define DEBUG_s(a)
3113# define DEBUG_l(a)
3114# define DEBUG_t(a)
3115# define DEBUG_o(a)
3116# define DEBUG_c(a)
3117# define DEBUG_P(a)
3118# define DEBUG_m(a)
3119# define DEBUG_f(a)
3120# define DEBUG_r(a)
3121# define DEBUG_x(a)
3122# define DEBUG_u(a)
aea4f609
DM
3123# define DEBUG_H(a)
3124# define DEBUG_X(a)
dd2155a4 3125# define DEBUG_Xv(a)
aea4f609
DM
3126# define DEBUG_D(a)
3127# define DEBUG_S(a)
3128# define DEBUG_T(a)
04932ac8 3129# define DEBUG_R(a)
d6721266 3130# define DEBUG_v(a)
46187eeb 3131# define DEBUG_C(a)
ecae49c0
NC
3132# define DEBUG_A(a)
3133# define DEBUG_q(a)
aea4f609
DM
3134#endif /* DEBUGGING */
3135
3136
b4ab917c
DM
3137#define DEBUG_SCOPE(where) \
3138 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3139 where, PL_scopestack_ix, __FILE__, __LINE__)));
3140
3141
3142
3143
d1be9408 3144/* These constants should be used in preference to raw characters
14befaf4
DM
3145 * when using magic. Note that some perl guts still assume
3146 * certain character properties of these constants, namely that
3147 * isUPPER() and toLOWER() may do useful mappings.
3148 *
3149 * Update the magic_names table in dump.c when adding/amending these
3150 */
3151
3152#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3153#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3154#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3155#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3156#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3157#define PERL_MAGIC_regdata 'D' /* Regex match position data
3158 (@+ and @- vars) */
3159#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3160#define PERL_MAGIC_env 'E' /* %ENV hash */
3161#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3162#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3163#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3164#define PERL_MAGIC_isa 'I' /* @ISA array */
3165#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3166#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3167#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3168#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3169#define PERL_MAGIC_mutex 'm' /* for lock op */
3170#define PERL_MAGIC_shared 'N' /* Shared between threads */
3171#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3172#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3173#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3174#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3175#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3176#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3177#define PERL_MAGIC_sig 'S' /* %SIG hash */
3178#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3179#define PERL_MAGIC_taint 't' /* Taintedness */
3180#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3181#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3182#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3183#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3184#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3185#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3186#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3187 smart parameter vivification */
3188#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3189#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3190#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3191#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3192#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3193#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3194#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3195#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3196
3197
a6e633de 3198#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3199#define assert(what) PERL_DEB( \
3200 ((what) ? ((void) 0) : \
60b9f5a7
NC
3201 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3202 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC
3203 PerlProc_exit(1), \
3204 (void) 0)))
a446a88f 3205#endif
8d063cd8 3206
450a55e4 3207struct ufuncs {
24f81a43
DM
3208 I32 (*uf_val)(pTHX_ IV, SV*);
3209 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3210 IV uf_index;
450a55e4
LW
3211};
3212
14befaf4 3213/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3214 * XS code wanting to be backward compatible can do something
3215 * like the following:
c745e42c 3216
24f81a43 3217#ifndef PERL_MG_UFUNC
24f81a43
DM
3218#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3219#endif
3220
3221static PERL_MG_UFUNC(foo_get, index, val)
3222{
3223 sv_setsv(val, ...);
3224 return TRUE;
3225}
3226
3227-- Doug MacEachern
3228
3229*/
3230
fc9c74e6 3231#ifndef PERL_MG_UFUNC
24f81a43 3232#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3233#endif
24f81a43 3234
fe14fcc3 3235/* Fix these up for __STDC__ */
68dc0745 3236#ifndef DONT_DECLARE_STD
20ce7b12 3237char *mktemp (char*);
37bd1396 3238#ifndef atof
20ce7b12 3239double atof (const char*);
a0d0e21e 3240#endif
37bd1396 3241#endif
79072805 3242
352d5a3a 3243#ifndef STANDARD_C
fe14fcc3 3244/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3245Time_t time();
8d063cd8 3246struct tm *gmtime(), *localtime();
092bebab 3247#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3248char *(strchr)(), *(strrchr)();
3249char *(strcpy)(), *(strcat)();
3250#else
93a17b20 3251char *strchr(), *strrchr();
378cc40b 3252char *strcpy(), *strcat();
9d116dd7 3253#endif
352d5a3a 3254#endif /* ! STANDARD_C */
8d063cd8 3255
79072805
LW
3256
3257#ifdef I_MATH
3258# include <math.h>
3259#else
32f822de 3260START_EXTERN_C
20ce7b12
GS
3261 double exp (double);
3262 double log (double);
3263 double log10 (double);
3264 double sqrt (double);
3265 double frexp (double,int*);
3266 double ldexp (double,int);
3267 double modf (double,double*);
3268 double sin (double);
3269 double cos (double);
3270 double atan2 (double,double);
3271 double pow (double,double);
32f822de 3272END_EXTERN_C
79072805
LW
3273#endif
3274
aa8b85de
JH
3275#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3276# define NV_INF LDBL_INFINITY
3277#endif
3278#if !defined(NV_INF) && defined(DBL_INFINITY)
3279# define NV_INF (NV)DBL_INFINITY
3280#endif
3281#if !defined(NV_INF) && defined(INFINITY)
3282# define NV_INF (NV)INFINITY
3283#endif
3284#if !defined(NV_INF) && defined(INF)
3285# define NV_INF (NV)INF
3286#endif
3287#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3288# define NV_INF (NV)HUGE_VALL
3289#endif
3290#if !defined(NV_INF) && defined(HUGE_VAL)
3291# define NV_INF (NV)HUGE_VAL
3292#endif
3293
3294#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3295# if !defined(NV_NAN) && defined(LDBL_NAN)
3296# define NV_NAN LDBL_NAN
3297# endif
3298# if !defined(NV_NAN) && defined(LDBL_QNAN)
3299# define NV_NAN LDBL_QNAN
3300# endif
3301# if !defined(NV_NAN) && defined(LDBL_SNAN)
3302# define NV_NAN LDBL_SNAN
3303# endif
3304#endif
3305#if !defined(NV_NAN) && defined(DBL_NAN)
3306# define NV_NAN (NV)DBL_NAN
3307#endif
3308#if !defined(NV_NAN) && defined(DBL_QNAN)
3309# define NV_NAN (NV)DBL_QNAN
3310#endif
3311#if !defined(NV_NAN) && defined(DBL_SNAN)
3312# define NV_NAN (NV)DBL_SNAN
3313#endif
3314#if !defined(NV_NAN) && defined(QNAN)
3315# define NV_NAN (NV)QNAN
3316#endif
3317#if !defined(NV_NAN) && defined(SNAN)
3318# define NV_NAN (NV)SNAN
3319#endif
3320#if !defined(NV_NAN) && defined(NAN)
3321# define NV_NAN (NV)NAN
3322#endif
3323
a0d0e21e 3324#ifndef __cplusplus
8f1f23e8 3325# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3326char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3327# else
fd8cd3a3 3328# if !defined(WIN32) && !defined(VMS)
10bc17b6 3329#ifndef crypt
20ce7b12 3330char *crypt (const char*, const char*);
10bc17b6 3331#endif
5014db98 3332# endif /* !WIN32 */
8f1f23e8 3333# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3334# ifndef DONT_DECLARE_STD
3335# ifndef getenv
20ce7b12 3336char *getenv (const char*);
26618a56 3337# endif /* !getenv */
28ca6303 3338# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3339# ifdef _FILE_OFFSET_BITS
28ca6303 3340# if _FILE_OFFSET_BITS == 64
20ce7b12 3341Off_t lseek (int,Off_t,int);
0fc67700
JH
3342# endif
3343# endif
bf0c440f 3344# endif
26618a56 3345# endif /* !DONT_DECLARE_STD */
10bc17b6 3346#ifndef getlogin
20ce7b12 3347char *getlogin (void);
10bc17b6 3348#endif
26618a56 3349#endif /* !__cplusplus */
79072805 3350
16d20bd9 3351#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3352#define UNLINK unlnk
20ce7b12 3353I32 unlnk (char*);
8d063cd8 3354#else
80252599 3355#define UNLINK PerlLIO_unlink
8d063cd8 3356#endif
a687059c 3357
fa0a29af
JH
3358/* some versions of glibc are missing the setresuid() proto */
3359#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3360int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3361#endif
fa0a29af
JH
3362/* some versions of glibc are missing the setresgid() proto */
3363#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3364int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3365#endif
3366
fe14fcc3 3367#ifndef HAS_SETREUID
85e6fe83
LW
3368# ifdef HAS_SETRESUID
3369# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3370# define HAS_SETREUID
3371# endif
a687059c 3372#endif
fe14fcc3 3373#ifndef HAS_SETREGID
85e6fe83
LW
3374# ifdef HAS_SETRESGID
3375# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3376# define HAS_SETREGID
3377# endif
a687059c 3378#endif
ee0007ab 3379
d543acb6 3380/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3381
3382#ifdef HAS_SIGACTION
3383typedef struct sigaction Sigsave_t;
3384#else
3385typedef Sighandler_t Sigsave_t;
3386#endif
3387
ee0007ab
LW
3388#define SCAN_DEF 0
3389#define SCAN_TR 1
3390#define SCAN_REPL 2
79072805
LW
3391
3392#ifdef DEBUGGING
4633a7c4 3393# ifndef register
a0d0e21e
LW
3394# define register
3395# endif
cea2e8a9 3396# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3397#else
cea2e8a9 3398# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3399#endif
3400
18f739ee 3401#ifdef MYMALLOC
772fe5b3 3402# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3403# define MALLOC_INIT \
3404 STMT_START { \
3405 PL_malloc_mutex = NULL; \
3406 MUTEX_INIT(&PL_malloc_mutex); \
3407 } STMT_END
3408# define MALLOC_TERM \
3409 STMT_START { \
3410 perl_mutex tmp = PL_malloc_mutex; \
3411 PL_malloc_mutex = NULL; \
3412 MUTEX_DESTROY(&tmp); \
3413 } STMT_END
3414# else
3415# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3416# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3417# endif
18f739ee
IZ
3418#else
3419# define MALLOC_INIT
3420# define MALLOC_TERM
3421#endif
3422
b6d9d515 3423
0cb96387 3424typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3425typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3426typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3427typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3428
940cb80d 3429/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3430#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3431
8f1f23e8
W
3432/* NeXT has problems with crt0.o globals */
3433#if defined(__DYNAMIC__) && \
6239f2da 3434 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3435# if defined(NeXT) || defined(__NeXT)
3436# include <mach-o/dyld.h>
3437# define environ (*environ_pointer)
0c30d9ec 3438EXT char *** environ_pointer;
8f1f23e8 3439# else
6239f2da 3440# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3441# include <crt_externs.h> /* for the env array */
3442# define environ (*_NSGetEnviron())
3443# endif
0c30d9ec 3444# endif
8f1f23e8
W
3445#else
3446 /* VMS and some other platforms don't use the environ array */
13b6e58c 3447# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3448# if !defined(DONT_DECLARE_STD) || \
3449 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3450 defined(__sgi) || \
d460ef45 3451 defined(__DGUX)
8f1f23e8 3452extern char ** environ; /* environment variables supplied via exec */
a6c40364 3453# endif
8f1f23e8
W
3454# endif
3455#endif
79072805 3456
73c4f7a1
GS
3457START_EXTERN_C
3458
79072805 3459/* handy constants */
22c35a8c 3460EXTCONST char PL_warn_uninit[]
29489e7c 3461 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3462EXTCONST char PL_warn_nosemi[]
463ee0b2 3463 INIT("Semicolon seems to be missing");
22c35a8c 3464EXTCONST char PL_warn_reserved[]
463ee0b2 3465 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3466EXTCONST char PL_warn_nl[]
93a17b20 3467 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3468EXTCONST char PL_no_wrongref[]
a0d0e21e 3469 INIT("Can't use %s ref as %s ref");
22c35a8c 3470EXTCONST char PL_no_symref[]
748a9306 3471 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3472EXTCONST char PL_no_symref_sv[]
014ead4b 3473 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3474EXTCONST char PL_no_usym[]
8990e307 3475 INIT("Can't use an undefined value as %s reference");
22c35a8c 3476EXTCONST char PL_no_aelem[]
93a17b20 3477 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3478EXTCONST char PL_no_helem_sv[]
3479 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3480EXTCONST char PL_no_modify[]
93a17b20 3481 INIT("Modification of a read-only value attempted");
22c35a8c 3482EXTCONST char PL_no_mem[]
93a17b20 3483 INIT("Out of memory!\n");
22c35a8c 3484EXTCONST char PL_no_security[]
463ee0b2 3485 INIT("Insecure dependency in %s%s");
22c35a8c 3486EXTCONST char PL_no_sock_func[]
93a17b20 3487 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3488EXTCONST char PL_no_dir_func[]
93a17b20 3489 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3490EXTCONST char PL_no_func[]
93a17b20 3491 INIT("The %s function is unimplemented");
22c35a8c 3492EXTCONST char PL_no_myglob[]
748a9306 3493 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3494EXTCONST char PL_no_localize_ref[]
3495 INIT("Can't localize through a reference");
27d5b266
JH
3496#ifdef PERL_MALLOC_WRAP
3497EXTCONST char PL_memory_wrap[]
3498 INIT("panic: memory wrap");
3499#endif
93a17b20 3500
7575fa06 3501EXTCONST char PL_uuemap[65]
80252599
GS
3502 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3503
3504
79072805 3505#ifdef DOINIT
27da23d5
JH
3506EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3507EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3508#else
27da23d5
JH
3509EXTCONST char* const PL_sig_name[];
3510EXTCONST int PL_sig_num[];
79072805
LW
3511#endif
3512
3bd709b1 3513/* fast conversion and case folding tables */
bbce6d69 3514
79072805 3515#ifdef DOINIT
9d116dd7 3516#ifdef EBCDIC
27da23d5 3517EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3518 0, 1, 2, 3, 4, 5, 6, 7,
3519 8, 9, 10, 11, 12, 13, 14, 15,
3520 16, 17, 18, 19, 20, 21, 22, 23,
3521 24, 25, 26, 27, 28, 29, 30, 31,
3522 32, 33, 34, 35, 36, 37, 38, 39,
3523 40, 41, 42, 43, 44, 45, 46, 47,
3524 48, 49, 50, 51, 52, 53, 54, 55,
3525 56, 57, 58, 59, 60, 61, 62, 63,
3526 64, 65, 66, 67, 68, 69, 70, 71,
3527 72, 73, 74, 75, 76, 77, 78, 79,
3528 80, 81, 82, 83, 84, 85, 86, 87,
3529 88, 89, 90, 91, 92, 93, 94, 95,
3530 96, 97, 98, 99, 100, 101, 102, 103,
3531 104, 105, 106, 107, 108, 109, 110, 111,
3532 112, 113, 114, 115, 116, 117, 118, 119,
3533 120, 121, 122, 123, 124, 125, 126, 127,
3534 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3535 'H', 'I', 138, 139, 140, 141, 142, 143,
3536 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3537 'Q', 'R', 154, 155, 156, 157, 158, 159,
3538 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3539 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3540 176, 177, 178, 179, 180, 181, 182, 183,
3541 184, 185, 186, 187, 188, 189, 190, 191,
3542 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3543 'h', 'i', 202, 203, 204, 205, 206, 207,
3544 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3545 'q', 'r', 218, 219, 220, 221, 222, 223,
3546 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3547 'y', 'z', 234, 235, 236, 237, 238, 239,
3548 240, 241, 242, 243, 244, 245, 246, 247,
3549 248, 249, 250, 251, 252, 253, 254, 255
3550};
3551#else /* ascii rather than ebcdic */
22c35a8c 3552EXTCONST unsigned char PL_fold[] = {
79072805
LW
3553 0, 1, 2, 3, 4, 5, 6, 7,
3554 8, 9, 10, 11, 12, 13, 14, 15,
3555 16, 17, 18, 19, 20, 21, 22, 23,
3556 24, 25, 26, 27, 28, 29, 30, 31,
3557 32, 33, 34, 35, 36, 37, 38, 39,
3558 40, 41, 42, 43, 44, 45, 46, 47,
3559 48, 49, 50, 51, 52, 53, 54, 55,
3560 56, 57, 58, 59, 60, 61, 62, 63,
3561 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3562 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3563 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3564 'x', 'y', 'z', 91, 92, 93, 94, 95,
3565 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3566 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3567 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3568 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3569 128, 129, 130, 131, 132, 133, 134, 135,
3570 136, 137, 138, 139, 140, 141, 142, 143,
3571 144, 145, 146, 147, 148, 149, 150, 151,
3572 152, 153, 154, 155, 156, 157, 158, 159,
3573 160, 161, 162, 163, 164, 165, 166, 167,
3574 168, 169, 170, 171, 172, 173, 174, 175,
3575 176, 177, 178, 179, 180, 181, 182, 183,
3576 184, 185, 186, 187, 188, 189, 190, 191,
3577 192, 193, 194, 195, 196, 197, 198, 199,
3578 200, 201, 202, 203, 204, 205, 206, 207,
3579 208, 209, 210, 211, 212, 213, 214, 215,
3580 216, 217, 218, 219, 220, 221, 222, 223,
3581 224, 225, 226, 227, 228, 229, 230, 231,
3582 232, 233, 234, 235, 236, 237, 238, 239,
3583 240, 241, 242, 243, 244, 245, 246, 247,
3584 248, 249, 250, 251, 252, 253, 254, 255
3585};
9d116dd7 3586#endif /* !EBCDIC */
79072805 3587#else
22c35a8c 3588EXTCONST unsigned char PL_fold[];
79072805
LW
3589#endif
3590
27da23d5 3591#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3592#ifdef DOINIT
27da23d5 3593EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3594 0, 1, 2, 3, 4, 5, 6, 7,
3595 8, 9, 10, 11, 12, 13, 14, 15,
3596 16, 17, 18, 19, 20, 21, 22, 23,
3597 24, 25, 26, 27, 28, 29, 30, 31,
3598 32, 33, 34, 35, 36, 37, 38, 39,
3599 40, 41, 42, 43, 44, 45, 46, 47,
3600 48, 49, 50, 51, 52, 53, 54, 55,
3601 56, 57, 58, 59, 60, 61, 62, 63,
3602 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3603 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3604 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3605 'x', 'y', 'z', 91, 92, 93, 94, 95,
3606 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3607 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3608 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3609 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3610 128, 129, 130, 131, 132, 133, 134, 135,
3611 136, 137, 138, 139, 140, 141, 142, 143,
3612 144, 145, 146, 147, 148, 149, 150, 151,
3613 152, 153, 154, 155, 156, 157, 158, 159,
3614 160, 161, 162, 163, 164, 165, 166, 167,
3615 168, 169, 170, 171, 172, 173, 174, 175,
3616 176, 177, 178, 179, 180, 181, 182, 183,
3617 184, 185, 186, 187, 188, 189, 190, 191,
3618 192, 193, 194, 195, 196, 197, 198, 199,
3619 200, 201, 202, 203, 204, 205, 206, 207,
3620 208, 209, 210, 211, 212, 213, 214, 215,
3621 216, 217, 218, 219, 220, 221, 222, 223,
3622 224, 225, 226, 227, 228, 229, 230, 231,
3623 232, 233, 234, 235, 236, 237, 238, 239,
3624 240, 241, 242, 243, 244, 245, 246, 247,
3625 248, 249, 250, 251, 252, 253, 254, 255
3626};
3627#else
27da23d5 3628EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3629#endif
27da23d5 3630#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3631
3632#ifdef DOINIT
9d116dd7 3633#ifdef EBCDIC
27da23d5 3634EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3635 1, 2, 84, 151, 154, 155, 156, 157,
3636 165, 246, 250, 3, 158, 7, 18, 29,
3637 40, 51, 62, 73, 85, 96, 107, 118,
3638 129, 140, 147, 148, 149, 150, 152, 153,
3639 255, 6, 8, 9, 10, 11, 12, 13,
3640 14, 15, 24, 25, 26, 27, 28, 226,
3641 29, 30, 31, 32, 33, 43, 44, 45,
3642 46, 47, 48, 49, 50, 76, 77, 78,
3643 79, 80, 81, 82, 83, 84, 85, 86,
3644 87, 94, 95, 234, 181, 233, 187, 190,
3645 180, 96, 97, 98, 99, 100, 101, 102,
3646 104, 112, 182, 174, 236, 232, 229, 103,
3647 228, 226, 114, 115, 116, 117, 118, 119,
3648 120, 121, 122, 235, 176, 230, 194, 162,
3649 130, 131, 132, 133, 134, 135, 136, 137,
3650 138, 139, 201, 205, 163, 217, 220, 224,
3651 5, 248, 227, 244, 242, 255, 241, 231,
3652 240, 253, 16, 197, 19, 20, 21, 187,
3653 23, 169, 210, 245, 237, 249, 247, 239,
3654 168, 252, 34, 196, 36, 37, 38, 39,
3655 41, 42, 251, 254, 238, 223, 221, 213,
3656 225, 177, 52, 53, 54, 55, 56, 57,
3657 58, 59, 60, 61, 63, 64, 65, 66,
3658 67, 68, 69, 70, 71, 72, 74, 75,
3659 205, 208, 186, 202, 200, 218, 198, 179,
3660 178, 214, 88, 89, 90, 91, 92, 93,
3661 217, 166, 170, 207, 199, 209, 206, 204,
3662 160, 212, 105, 106, 108, 109, 110, 111,
3663 203, 113, 216, 215, 192, 175, 193, 243,
3664 172, 161, 123, 124, 125, 126, 127, 128,
3665 222, 219, 211, 195, 188, 193, 185, 184,
3666 191, 183, 141, 142, 143, 144, 145, 146
3667};
3668#else /* ascii rather than ebcdic */
22c35a8c 3669EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3670 1, 2, 84, 151, 154, 155, 156, 157,
3671 165, 246, 250, 3, 158, 7, 18, 29,
3672 40, 51, 62, 73, 85, 96, 107, 118,
3673 129, 140, 147, 148, 149, 150, 152, 153,
3674 255, 182, 224, 205, 174, 176, 180, 217,
3675 233, 232, 236, 187, 235, 228, 234, 226,
3676 222, 219, 211, 195, 188, 193, 185, 184,
3677 191, 183, 201, 229, 181, 220, 194, 162,
3678 163, 208, 186, 202, 200, 218, 198, 179,
3679 178, 214, 166, 170, 207, 199, 209, 206,
3680 204, 160, 212, 216, 215, 192, 175, 173,
3681 243, 172, 161, 190, 203, 189, 164, 230,
3682 167, 248, 227, 244, 242, 255, 241, 231,
3683 240, 253, 169, 210, 245, 237, 249, 247,
3684 239, 168, 252, 251, 254, 238, 223, 221,
3685 213, 225, 177, 197, 171, 196, 159, 4,
3686 5, 6, 8, 9, 10, 11, 12, 13,
3687 14, 15, 16, 17, 19, 20, 21, 22,
3688 23, 24, 25, 26, 27, 28, 30, 31,
3689 32, 33, 34, 35, 36, 37, 38, 39,
3690 41, 42, 43, 44, 45, 46, 47, 48,
3691 49, 50, 52, 53, 54, 55, 56, 57,
3692 58, 59, 60, 61, 63, 64, 65, 66,
3693 67, 68, 69, 70, 71, 72, 74, 75,
3694 76, 77, 78, 79, 80, 81, 82, 83,
3695 86, 87, 88, 89, 90, 91, 92, 93,
3696 94, 95, 97, 98, 99, 100, 101, 102,
3697 103, 104, 105, 106, 108, 109, 110, 111,
3698 112, 113, 114, 115, 116, 117, 119, 120,
3699 121, 122, 123, 124, 125, 126, 127, 128,
3700 130, 131, 132, 133, 134, 135, 136, 137,
3701 138, 139, 141, 142, 143, 144, 145, 146
3702};
9d116dd7 3703#endif
79072805 3704#else
22c35a8c 3705EXTCONST unsigned char PL_freq[];
79072805
LW
3706#endif
3707
8990e307
LW
3708#ifdef DEBUGGING
3709#ifdef DOINIT
27da23d5 3710EXTCONST char* const PL_block_type[] = {
8990e307
LW
3711 "NULL",
3712 "SUB",
3713 "EVAL",
3714 "LOOP",
3715 "SUBST",
3716 "BLOCK",
3717};
3718#else
22c35a8c 3719EXTCONST char* PL_block_type[];
8990e307
LW
3720#endif
3721#endif
3722
73c4f7a1
GS
3723END_EXTERN_C
3724
79072805
LW
3725/*****************************************************************************/
3726/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3727/*****************************************************************************/
8990e307 3728/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3729
d4c3c482 3730#ifdef __Lynx__
9cffb111
OS
3731/* LynxOS defines these in scsi.h which is included via ioctl.h */
3732#ifdef FORMAT
3733#undef FORMAT
3734#endif
3735#ifdef SPACE
3736#undef SPACE
3737#endif
d4c3c482 3738#endif
9cffb111 3739
1fd33325
MHM
3740/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3741 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3742 * it's not really needed.
3743 */
3744#if defined(WIN32)
3745# define YYTOKENTYPE
3746#endif
a0d0e21e
LW
3747#include "perly.h"
3748
fb73857a
PP
3749#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3750
79072805
LW
3751typedef enum {
3752 XOPERATOR,
3753 XTERM,
79072805 3754 XREF,
8990e307 3755 XSTATE,
a0d0e21e 3756 XBLOCK,
09bef843
SB
3757 XATTRBLOCK,
3758 XATTRTERM,
6f33ba73
RGS
3759 XTERMBLOCK,
3760 XTERMORDORDOR /* evil hack */
27308ded 3761 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3762} expectation;
3763
dc9e4912
GS
3764enum { /* pass one of these to get_vtbl */
3765 want_vtbl_sv,
3766 want_vtbl_env,
3767 want_vtbl_envelem,
3768 want_vtbl_sig,
3769 want_vtbl_sigelem,
3770 want_vtbl_pack,
3771 want_vtbl_packelem,
3772 want_vtbl_dbline,
3773 want_vtbl_isa,
3774 want_vtbl_isaelem,
3775 want_vtbl_arylen,
3776 want_vtbl_glob,
3777 want_vtbl_mglob,
3778 want_vtbl_nkeys,
3779 want_vtbl_taint,
3780 want_vtbl_substr,
3781 want_vtbl_vec,
3782 want_vtbl_pos,
3783 want_vtbl_bm,
3784 want_vtbl_fm,
3785 want_vtbl_uvar,
3786 want_vtbl_defelem,
3787 want_vtbl_regexp,
3788 want_vtbl_collxfrm,
3789 want_vtbl_amagic,
3790 want_vtbl_amagicelem,
dc9e4912 3791 want_vtbl_regdata,
810b8aa5 3792 want_vtbl_regdatum,
7e8c5dac 3793 want_vtbl_backref,
8d2f4536
NC
3794 want_vtbl_utf8,
3795 want_vtbl_symtab
dc9e4912
GS
3796};
3797
85e6fe83
LW
3798 /* Note: the lowest 8 bits are reserved for
3799 stuffing into op->op_private */
f3aa04c2 3800#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3801#define HINT_INTEGER 0x00000001 /* integer pragma */
3802#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3803#define HINT_LOCALE 0x00000004 /* locale pragma */
3804#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3805/* #define HINT_notused10 0x00000010 */
a0ed51b3 3806 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3807 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3808
3809#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3810#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3811#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3812
9cfe5470 3813/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3814#define HINT_NEW_INTEGER 0x00001000
3815#define HINT_NEW_FLOAT 0x00002000
3816#define HINT_NEW_BINARY 0x00004000
3817#define HINT_NEW_STRING 0x00008000
3818#define HINT_NEW_RE 0x00010000
3819#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3820
9cfe5470
RGS
3821#define HINT_RE_TAINT 0x00100000 /* re pragma */
3822#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3823
9cfe5470
RGS
3824#define HINT_FILE