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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 *
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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
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40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
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54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
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58# define MULTIPLICITY
59# endif
60#endif
61
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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109# define USE_REENTRANT_API
110#endif
111
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
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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
0dbb1585 193#define PERL_UNUSED_DECL __attribute__unused__
44dbb695 194
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195/* gcc -Wall:
196 * for silencing unused variables that are actually used most of the time,
197 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
198 */
a3b680e6 199#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 200
0cb96387 201#define NOOP (void)0
44dbb695 202#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 203
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204#ifndef pTHX
205# define pTHX void
206# define pTHX_
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207# define aTHX
208# define aTHX_
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209# define dTHXa(a) dNOOP
210# define dTHX dNOOP
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211# define pTHX_1 1
212# define pTHX_2 2
213# define pTHX_3 3
214# define pTHX_4 4
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215# define pTHX_5 5
216# define pTHX_6 6
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217# define pTHX_7 7
218# define pTHX_8 8
219# define pTHX_9 9
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220#endif
221
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222#ifndef dVAR
223# define dVAR dNOOP
224#endif
225
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226/* these are only defined for compatibility; should not be used internally */
227#if !defined(pTHXo) && !defined(PERL_CORE)
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228# define pTHXo pTHX
229# define pTHXo_ pTHX_
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230# define aTHXo aTHX
231# define aTHXo_ aTHX_
c5be433b 232# define dTHXo dTHX
71d280e3 233# define dTHXoa(x) dTHXa(x)
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234#endif
235
236#ifndef pTHXx
237# define pTHXx register PerlInterpreter *my_perl
238# define pTHXx_ pTHXx,
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239# define aTHXx my_perl
240# define aTHXx_ aTHXx,
c5be433b 241# define dTHXx dTHX
22c35a8c 242#endif
71be2cbc 243
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244/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
245 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
246 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
247#ifdef PERL_IMPLICIT_SYS
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248# ifdef PERL_GLOBAL_STRUCT_PRIVATE
249# define dTHXs dVAR; dTHX
250# else
251# define dTHXs dTHX
252# endif
1de7c2ac 253#else
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254# ifdef PERL_GLOBAL_STRUCT_PRIVATE
255# define dTHXs dVAR
256# else
257# define dTHXs dNOOP
258# endif
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259#endif
260
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261#undef START_EXTERN_C
262#undef END_EXTERN_C
263#undef EXTERN_C
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264#ifdef __cplusplus
265# define START_EXTERN_C extern "C" {
266# define END_EXTERN_C }
267# define EXTERN_C extern "C"
268#else
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269# define START_EXTERN_C
270# define END_EXTERN_C
73c4f7a1 271# define EXTERN_C extern
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272#endif
273
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274/* Some platforms require marking function declarations
275 * for them to be exportable. Used in perlio.h, proto.h
276 * is handled either by the makedef.pl or by defining the
277 * PERL_CALLCONV to be something special. See also the
278 * definition of XS() in XSUB.h. */
279#ifndef PERL_EXPORT_C
280# define PERL_EXPORT_C extern
281#endif
282#ifndef PERL_XS_EXPORT_C
283# define PERL_XS_EXPORT_C
284#endif
285
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286#ifdef OP_IN_REGISTER
287# ifdef __GNUC__
288# define stringify_immed(s) #s
289# define stringify(s) stringify_immed(s)
d1ca3daa 290register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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291# endif
292#endif
293
5dc8bdac 294#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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295# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
296# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
297# endif
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298#endif
299
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300/*
301 * STMT_START { statements; } STMT_END;
302 * can be used as a single statement, as in
303 * if (x) STMT_START { ... } STMT_END; else ...
304 *
305 * Trying to select a version that gives no warnings...
306 */
307#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 308# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
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309# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
310# define STMT_END )
311# else
312 /* Now which other defined()s do we need here ??? */
93189314 313# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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314# define STMT_START if (1)
315# define STMT_END else (void)0
316# else
317# define STMT_START do
318# define STMT_END while (0)
319# endif
320# endif
321#endif
322
0cb96387 323#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 324#define WITH_THR(s) WITH_THX(s)
ea0efc06 325
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326/*
327 * SOFT_CAST can be used for args to prototyped functions to retain some
328 * type checking; it only casts if the compiler does not know prototypes.
329 */
330#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
331#define SOFT_CAST(type)
332#else
333#define SOFT_CAST(type) (type)
334#endif
79072805 335
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336#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
337# define BYTEORDER 0x1234
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338#endif
339
340/* Overall memory policy? */
341#ifndef CONSERVATIVE
342# define LIBERAL 1
343#endif
344
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345#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
346#define ASCIIish
347#else
348#undef ASCIIish
349#endif
350
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351/*
352 * The following contortions are brought to you on behalf of all the
353 * standards, semi-standards, de facto standards, not-so-de-facto standards
354 * of the world, as well as all the other botches anyone ever thought of.
355 * The basic theory is that if we work hard enough here, the rest of the
356 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
357 */
ac58e20f 358
ee0007ab 359/* define this once if either system, instead of cluttering up the src */
2986a63f 360#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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361#define DOSISH 1
362#endif
363
27da23d5 364#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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365# define STANDARD_C 1
366#endif
367
a03dbf46 368#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
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369# define DONT_DECLARE_STD 1
370#endif
371
352d5a3a 372#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 373# ifdef __cplusplus
cb69f87a 374# define VOL /* to temporarily suppress warnings */
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375# else
376# define VOL volatile
377# endif
663a0e37 378#else
79072805 379# define VOL
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380#endif
381
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382#define TAINT (PL_tainted = TRUE)
383#define TAINT_NOT (PL_tainted = FALSE)
384#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
385#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 386#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 387
d460ef45 388/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
389 defines move there? If so, I could simplify this a lot. --AD 9/96.
390*/
391/* Process group stuff changed from traditional BSD to POSIX.
392 perlfunc.pod documents the traditional BSD-style syntax, so we'll
393 try to preserve that, if possible.
394*/
395#ifdef HAS_SETPGID
396# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 397#else
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PP
398# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
399# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
400# else
401# ifdef HAS_SETPGRP2 /* DG/UX */
402# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
403# endif
404# endif
405#endif
406#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
407# define HAS_SETPGRP /* Well, effectively it does . . . */
408#endif
409
410/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
411 our life easier :-) so we'll try it.
412*/
413#ifdef HAS_GETPGID
414# define BSD_GETPGRP(pid) getpgid((pid))
415#else
416# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
417# define BSD_GETPGRP(pid) getpgrp((pid))
418# else
419# ifdef HAS_GETPGRP2 /* DG/UX */
420# define BSD_GETPGRP(pid) getpgrp2((pid))
421# endif
422# endif
423#endif
424#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
425# define HAS_GETPGRP /* Well, effectively it does . . . */
426#endif
427
d460ef45 428/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
429 have different behaviors, but perl.h used to define USE_BSDPGRP
430 (prior to 5.003_05) so some extension might depend on it.
431*/
432#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
433# ifndef USE_BSDPGRP
434# define USE_BSDPGRP
435# endif
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436#endif
437
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438/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
439 pthread.h must be included before all other header files.
440*/
3db8f154 441#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
442# include <pthread.h>
443#endif
444
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445#ifndef _TYPES_ /* If types.h defines this it's easy. */
446# ifndef major /* Does everyone's types.h define this? */
447# include <sys/types.h>
c07a80fd 448# endif
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449#endif
450
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451#ifdef __cplusplus
452# ifndef I_STDARG
453# define I_STDARG 1
454# endif
455#endif
456
457#ifdef I_STDARG
458# include <stdarg.h>
459#else
460# ifdef I_VARARGS
461# include <varargs.h>
462# endif
463#endif
464
4633a7c4 465#ifdef USE_NEXT_CTYPE
0c30d9ec 466
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467#if NX_CURRENT_COMPILER_RELEASE >= 500
468# include <bsd/ctypes.h>
469#else
470# if NX_CURRENT_COMPILER_RELEASE >= 400
471# include <objc/NXCType.h>
472# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
473# include <appkit/NXCType.h>
474# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
475#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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476
477#else /* !USE_NEXT_CTYPE */
fe14fcc3 478#include <ctype.h>
0c30d9ec 479#endif /* USE_NEXT_CTYPE */
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480
481#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
482#undef METHOD
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483#endif
484
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JH
485#ifdef PERL_MICRO
486# define NO_LOCALE
487#endif
488
4633a7c4 489#ifdef I_LOCALE
36477c24 490# include <locale.h>
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491#endif
492
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PP
493#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
494# define USE_LOCALE
495# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
496 && defined(HAS_STRXFRM)
497# define USE_LOCALE_COLLATE
498# endif
499# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
500# define USE_LOCALE_CTYPE
501# endif
502# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
503# define USE_LOCALE_NUMERIC
504# endif
505#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 506
fe14fcc3 507#include <setjmp.h>
79072805 508
a0d0e21e 509#ifdef I_SYS_PARAM
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510# ifdef PARAM_NEEDS_TYPES
511# include <sys/types.h>
512# endif
513# include <sys/param.h>
352d5a3a 514#endif
79072805 515
79072805 516/* Use all the "standard" definitions? */
a0d0e21e 517#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 518# include <stdlib.h>
ff68c719 519#endif
03a14243 520
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JH
521/* If this causes problems, set i_unistd=undef in the hint file. */
522#ifdef I_UNISTD
523# include <unistd.h>
524#endif
525
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JH
526#ifdef SYMBIAN
527# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
528#endif
529
7114a2d2 530#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
531int syscall(int, ...);
532#endif
533
7114a2d2 534#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 535int usleep(unsigned int);
2ef53570
JH
536#endif
537
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538#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
539# define MYSWAP
540#endif
541
1109a392
MHM
542#ifdef PERL_CORE
543
544/* macros for correct constant construction */
545# if INTSIZE >= 2
546# define U16_CONST(x) ((U16)x##U)
547# else
548# define U16_CONST(x) ((U16)x##UL)
549# endif
550
551# if INTSIZE >= 4
552# define U32_CONST(x) ((U32)x##U)
553# else
554# define U32_CONST(x) ((U32)x##UL)
555# endif
556
557# ifdef HAS_QUAD
558# if INTSIZE >= 8
559# define U64_CONST(x) ((U64)x##U)
560# elif LONGSIZE >= 8
561# define U64_CONST(x) ((U64)x##UL)
562# elif QUADKIND == QUAD_IS_LONG_LONG
563# define U64_CONST(x) ((U64)x##ULL)
564# else /* best guess we can make */
565# define U64_CONST(x) ((U64)x##UL)
566# endif
567# endif
568
569/* byte-swapping functions for big-/little-endian conversion */
570# define _swab_16_(x) ((U16)( \
571 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
572 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
573
574# define _swab_32_(x) ((U32)( \
575 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
576 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
577 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
578 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
579
580# ifdef HAS_QUAD
581# define _swab_64_(x) ((U64)( \
582 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
583 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
584 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
585 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
586 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
587 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
588 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
589 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
590# endif
591
592/*----------------------------------------------------------------------------*/
593# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
594/*----------------------------------------------------------------------------*/
595# define my_htole16(x) (x)
596# define my_letoh16(x) (x)
597# define my_htole32(x) (x)
598# define my_letoh32(x) (x)
599# define my_htobe16(x) _swab_16_(x)
600# define my_betoh16(x) _swab_16_(x)
601# define my_htobe32(x) _swab_32_(x)
602# define my_betoh32(x) _swab_32_(x)
603# ifdef HAS_QUAD
604# define my_htole64(x) (x)
605# define my_letoh64(x) (x)
606# define my_htobe64(x) _swab_64_(x)
607# define my_betoh64(x) _swab_64_(x)
608# endif
609# define my_htoles(x) (x)
610# define my_letohs(x) (x)
611# define my_htolei(x) (x)
612# define my_letohi(x) (x)
613# define my_htolel(x) (x)
614# define my_letohl(x) (x)
615# if SHORTSIZE == 1
616# define my_htobes(x) (x)
617# define my_betohs(x) (x)
618# elif SHORTSIZE == 2
619# define my_htobes(x) _swab_16_(x)
620# define my_betohs(x) _swab_16_(x)
621# elif SHORTSIZE == 4
622# define my_htobes(x) _swab_32_(x)
623# define my_betohs(x) _swab_32_(x)
624# elif SHORTSIZE == 8
625# define my_htobes(x) _swab_64_(x)
626# define my_betohs(x) _swab_64_(x)
627# else
628# define PERL_NEED_MY_HTOBES
629# define PERL_NEED_MY_BETOHS
630# endif
631# if INTSIZE == 1
632# define my_htobei(x) (x)
633# define my_betohi(x) (x)
634# elif INTSIZE == 2
635# define my_htobei(x) _swab_16_(x)
636# define my_betohi(x) _swab_16_(x)
637# elif INTSIZE == 4
638# define my_htobei(x) _swab_32_(x)
639# define my_betohi(x) _swab_32_(x)
640# elif INTSIZE == 8
641# define my_htobei(x) _swab_64_(x)
642# define my_betohi(x) _swab_64_(x)
643# else
644# define PERL_NEED_MY_HTOBEI
645# define PERL_NEED_MY_BETOHI
646# endif
647# if LONGSIZE == 1
648# define my_htobel(x) (x)
649# define my_betohl(x) (x)
650# elif LONGSIZE == 2
651# define my_htobel(x) _swab_16_(x)
652# define my_betohl(x) _swab_16_(x)
653# elif LONGSIZE == 4
654# define my_htobel(x) _swab_32_(x)
655# define my_betohl(x) _swab_32_(x)
656# elif LONGSIZE == 8
657# define my_htobel(x) _swab_64_(x)
658# define my_betohl(x) _swab_64_(x)
659# else
660# define PERL_NEED_MY_HTOBEL
661# define PERL_NEED_MY_BETOHL
662# endif
663# define my_htolen(p,n) NOOP
664# define my_letohn(p,n) NOOP
665# define my_htoben(p,n) my_swabn(p,n)
666# define my_betohn(p,n) my_swabn(p,n)
667/*----------------------------------------------------------------------------*/
668# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
669/*----------------------------------------------------------------------------*/
670# define my_htobe16(x) (x)
671# define my_betoh16(x) (x)
672# define my_htobe32(x) (x)
673# define my_betoh32(x) (x)
674# define my_htole16(x) _swab_16_(x)
675# define my_letoh16(x) _swab_16_(x)
676# define my_htole32(x) _swab_32_(x)
677# define my_letoh32(x) _swab_32_(x)
678# ifdef HAS_QUAD
679# define my_htobe64(x) (x)
680# define my_betoh64(x) (x)
681# define my_htole64(x) _swab_64_(x)
682# define my_letoh64(x) _swab_64_(x)
683# endif
684# define my_htobes(x) (x)
685# define my_betohs(x) (x)
686# define my_htobei(x) (x)
687# define my_betohi(x) (x)
688# define my_htobel(x) (x)
689# define my_betohl(x) (x)
690# if SHORTSIZE == 1
691# define my_htoles(x) (x)
692# define my_letohs(x) (x)
693# elif SHORTSIZE == 2
694# define my_htoles(x) _swab_16_(x)
695# define my_letohs(x) _swab_16_(x)
696# elif SHORTSIZE == 4
697# define my_htoles(x) _swab_32_(x)
698# define my_letohs(x) _swab_32_(x)
699# elif SHORTSIZE == 8
700# define my_htoles(x) _swab_64_(x)
701# define my_letohs(x) _swab_64_(x)
702# else
703# define PERL_NEED_MY_HTOLES
704# define PERL_NEED_MY_LETOHS
705# endif
706# if INTSIZE == 1
707# define my_htolei(x) (x)
708# define my_letohi(x) (x)
709# elif INTSIZE == 2
710# define my_htolei(x) _swab_16_(x)
711# define my_letohi(x) _swab_16_(x)
712# elif INTSIZE == 4
713# define my_htolei(x) _swab_32_(x)
714# define my_letohi(x) _swab_32_(x)
715# elif INTSIZE == 8
716# define my_htolei(x) _swab_64_(x)
717# define my_letohi(x) _swab_64_(x)
718# else
719# define PERL_NEED_MY_HTOLEI
720# define PERL_NEED_MY_LETOHI
721# endif
722# if LONGSIZE == 1
723# define my_htolel(x) (x)
724# define my_letohl(x) (x)
725# elif LONGSIZE == 2
726# define my_htolel(x) _swab_16_(x)
727# define my_letohl(x) _swab_16_(x)
728# elif LONGSIZE == 4
729# define my_htolel(x) _swab_32_(x)
730# define my_letohl(x) _swab_32_(x)
731# elif LONGSIZE == 8
732# define my_htolel(x) _swab_64_(x)
733# define my_letohl(x) _swab_64_(x)
734# else
735# define PERL_NEED_MY_HTOLEL
736# define PERL_NEED_MY_LETOHL
737# endif
738# define my_htolen(p,n) my_swabn(p,n)
739# define my_letohn(p,n) my_swabn(p,n)
740# define my_htoben(p,n) NOOP
741# define my_betohn(p,n) NOOP
742/*----------------------------------------------------------------------------*/
743# else /* all other byte-orders */
744/*----------------------------------------------------------------------------*/
745# define PERL_NEED_MY_HTOLE16
746# define PERL_NEED_MY_LETOH16
747# define PERL_NEED_MY_HTOBE16
748# define PERL_NEED_MY_BETOH16
749# define PERL_NEED_MY_HTOLE32
750# define PERL_NEED_MY_LETOH32
751# define PERL_NEED_MY_HTOBE32
752# define PERL_NEED_MY_BETOH32
753# ifdef HAS_QUAD
754# define PERL_NEED_MY_HTOLE64
755# define PERL_NEED_MY_LETOH64
756# define PERL_NEED_MY_HTOBE64
757# define PERL_NEED_MY_BETOH64
758# endif
759# define PERL_NEED_MY_HTOLES
760# define PERL_NEED_MY_LETOHS
761# define PERL_NEED_MY_HTOBES
762# define PERL_NEED_MY_BETOHS
763# define PERL_NEED_MY_HTOLEI
764# define PERL_NEED_MY_LETOHI
765# define PERL_NEED_MY_HTOBEI
766# define PERL_NEED_MY_BETOHI
767# define PERL_NEED_MY_HTOLEL
768# define PERL_NEED_MY_LETOHL
769# define PERL_NEED_MY_HTOBEL
770# define PERL_NEED_MY_BETOHL
771/*----------------------------------------------------------------------------*/
772# endif /* end of byte-order macros */
773/*----------------------------------------------------------------------------*/
774
9c17f24a
NC
775/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
776 at least on FreeBSD. YMMV, so experiment. */
777#ifndef PERL_ARENA_SIZE
778#define PERL_ARENA_SIZE 4080
779#endif
780
1109a392
MHM
781#endif /* PERL_CORE */
782
66a93824
NIS
783/* Cannot include embed.h here on Win32 as win32.h has not
784 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
785 */
96e176bf 786#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
787# include "embed.h"
788#endif
789
c31fac66
GS
790#define MEM_SIZE Size_t
791
51371543
GS
792#if defined(STANDARD_C) && defined(I_STDDEF)
793# include <stddef.h>
794# define STRUCT_OFFSET(s,m) offsetof(s,m)
795#else
796# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
797#endif
798
27da23d5
JH
799#ifndef SYMBIAN
800# if defined(I_STRING) || defined(__cplusplus)
801# include <string.h>
802# else
803# include <strings.h>
804# endif
51371543
GS
805#endif
806
55497cff
PP
807/* This comes after <stdlib.h> so we don't try to change the standard
808 * library prototypes; we'll use our own in proto.h instead. */
03a14243 809
4633a7c4 810#ifdef MYMALLOC
86058a2d 811# ifdef PERL_POLLUTE_MALLOC
ee13e175 812# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
813# define Perl_malloc malloc
814# define Perl_calloc calloc
815# define Perl_realloc realloc
816# define Perl_mfree free
ee13e175 817# endif
86058a2d
GS
818# else
819# define EMBEDMYMALLOC /* for compatibility */
820# endif
827e134a 821
651b9576
GS
822# define safemalloc Perl_malloc
823# define safecalloc Perl_calloc
824# define saferealloc Perl_realloc
825# define safefree Perl_mfree
22f7c9c9
JH
826# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
827 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
828 code; \
829 } STMT_END
830# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
831 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
832# define panic_write2(s) write(2, s, strlen(s))
833# define CHECK_MALLOC_TAINT(newval) \
834 CHECK_MALLOC_TOO_LATE_FOR_( \
835 if (newval) { \
836 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
837 exit(1); })
22f7c9c9 838# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 839 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
840 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
841 }} STMT_END;
f2517201
GS
842#else /* MYMALLOC */
843# define safemalloc safesysmalloc
844# define safecalloc safesyscalloc
845# define saferealloc safesysrealloc
846# define safefree safesysfree
22f7c9c9
JH
847# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
848# define CHECK_MALLOC_TAINT(newval) ((void)0)
849# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 850#endif /* MYMALLOC */
4633a7c4 851
27da23d5 852#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
853#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
854#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
855#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
856
a0d0e21e
LW
857#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
858#define strchr index
859#define strrchr rindex
860#endif
861
16d20bd9
AD
862#ifdef I_MEMORY
863# include <memory.h>
864#endif
865
fe14fcc3 866#ifdef HAS_MEMCPY
85e6fe83 867# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 868# ifndef memcpy
20ce7b12 869 extern char * memcpy (char*, char*, int);
ee0007ab
LW
870# endif
871# endif
872#else
873# ifndef memcpy
874# ifdef HAS_BCOPY
875# define memcpy(d,s,l) bcopy(s,d,l)
876# else
877# define memcpy(d,s,l) my_bcopy(s,d,l)
878# endif
879# endif
880#endif /* HAS_MEMCPY */
fe14fcc3 881
ee0007ab 882#ifdef HAS_MEMSET
85e6fe83 883# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 884# ifndef memset
20ce7b12 885 extern char *memset (char*, int, int);
ee0007ab
LW
886# endif
887# endif
ee0007ab 888#else
12ae5dfc 889# undef memset
fc36a67e 890# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
891#endif /* HAS_MEMSET */
892
85e6fe83 893#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 894# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
895# define memmove(d,s,l) bcopy(s,d,l)
896# else
2304df62 897# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 898# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 899# else
79072805 900# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 901# endif
352d5a3a 902# endif
d9d8d8de 903#endif
ee0007ab 904
36477c24
PP
905#if defined(mips) && defined(ultrix) && !defined(__STDC__)
906# undef HAS_MEMCMP
907#endif
908
909#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 910# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 911# ifndef memcmp
20ce7b12 912 extern int memcmp (char*, char*, int);
ee0007ab
LW
913# endif
914# endif
36477c24 915# ifdef BUGGY_MSC
7e4e8c89 916# pragma function(memcmp)
36477c24 917# endif
ee0007ab
LW
918#else
919# ifndef memcmp
ecfc5424 920# define memcmp my_memcmp
352d5a3a 921# endif
36477c24 922#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 923
fc36a67e 924#ifndef memzero
c635e13b
PP
925# ifdef HAS_MEMSET
926# define memzero(d,l) memset(d,0,l)
79072805 927# else
c635e13b
PP
928# ifdef HAS_BZERO
929# define memzero(d,l) bzero(d,l)
79072805 930# else
fc36a67e 931# define memzero(d,l) my_bzero(d,l)
79072805
LW
932# endif
933# endif
d9d8d8de 934#endif
378cc40b 935
2f42fcb0 936#ifndef PERL_MICRO
0f27ced1
JH
937#ifndef memchr
938# ifndef HAS_MEMCHR
939# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
940# endif
941#endif
2f42fcb0 942#endif
0f27ced1 943
36477c24
PP
944#ifndef HAS_BCMP
945# ifndef bcmp
946# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 947# endif
36477c24 948#endif /* !HAS_BCMP */
378cc40b 949
ae986130 950#ifdef I_NETINET_IN
79072805 951# include <netinet/in.h>
ae986130
LW
952#endif
953
28e8609d
JH
954#ifdef I_ARPA_INET
955# include <arpa/inet.h>
956#endif
957
84902520
TB
958#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
959/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
960 * (the neo-BSD seem to do this). */
961# undef SF_APPEND
962#endif
963
1aef975c 964#ifdef I_SYS_STAT
84902520 965# include <sys/stat.h>
1aef975c 966#endif
79072805 967
a0d0e21e
LW
968/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
969 like UTekV) are broken, sometimes giving false positives. Undefine
970 them here and let the code below set them to proper values.
971
972 The ghs macro stands for GreenHills Software C-1.8.5 which
973 is the C compiler for sysV88 and the various derivatives.
974 This header file bug is corrected in gcc-2.5.8 and later versions.
975 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
976
977#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
978# undef S_ISDIR
979# undef S_ISCHR
980# undef S_ISBLK
981# undef S_ISREG
982# undef S_ISFIFO
983# undef S_ISLNK
ee0007ab 984#endif
135863df 985
663a0e37
LW
986#ifdef I_TIME
987# include <time.h>
ffed7fef 988#endif
663a0e37 989
fe14fcc3 990#ifdef I_SYS_TIME
85e6fe83 991# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
992# define KERNEL
993# endif
994# include <sys/time.h>
85e6fe83 995# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
996# undef KERNEL
997# endif
a687059c 998#endif
135863df 999
55497cff 1000#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1001# include <sys/times.h>
d9d8d8de 1002#endif
8d063cd8 1003
fe14fcc3 1004#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1005# undef HAS_STRERROR
663a0e37
LW
1006#endif
1007
1008#include <errno.h>
1e743fda 1009
acfe0abc 1010#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1011# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1012#endif
1013
8cfab5ff
JH
1014/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1015 * This is important for using IPv6.
1016 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1017 * a bad idea since it breaks send() and recv(). */
1018#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1019# define _SOCKADDR_LEN
1020#endif
1021
8d3f517a 1022#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1023# include <sys/socket.h>
1024# if defined(USE_SOCKS) && defined(I_SOCKS)
1025# if !defined(INCLUDE_PROTOTYPES)
1026# define INCLUDE_PROTOTYPES /* for <socks.h> */
1027# define PERL_SOCKS_NEED_PROTOTYPES
1028# endif
1029# include <socks.h>
1030# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1031# undef INCLUDE_PROTOTYPES
1032# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1033# endif
d460ef45 1034# endif
1e743fda 1035# ifdef I_NETDB
2986a63f
JH
1036# ifdef NETWARE
1037# include<stdio.h>
1038# endif
1e743fda
JH
1039# include <netdb.h>
1040# endif
1041# ifndef ENOTSOCK
1042# ifdef I_NET_ERRNO
1043# include <net/errno.h>
1044# endif
1045# endif
1046#endif
1047
fa0a29af 1048/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1049 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1050 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1051#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1052# if defined(__THROW) && defined(__GLIBC__)
1053int sockatmark(int) __THROW;
1054# else
2ef53570 1055int sockatmark(int);
29820b6d 1056# endif
2ef53570
JH
1057#endif
1058
1e743fda
JH
1059#ifdef SETERRNO
1060# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1061#endif
f86702cc
PP
1062
1063#ifdef VMS
1064# define SETERRNO(errcode,vmserrcode) \
1065 STMT_START { \
1066 set_errno(errcode); \
1067 set_vaxc_errno(vmserrcode); \
1068 } STMT_END
93189314
JH
1069# define LIB_INVARG LIB$_INVARG
1070# define RMS_DIR RMS$_DIR
1071# define RMS_FAC RMS$_FAC
1072# define RMS_FEX RMS$_FEX
1073# define RMS_FNF RMS$_FNF
1074# define RMS_IFI RMS$_IFI
1075# define RMS_ISI RMS$_ISI
1076# define RMS_PRV RMS$_PRV
1077# define SS_ACCVIO SS$_ACCVIO
1078# define SS_DEVOFFLINE SS$_DEVOFFLINE
1079# define SS_IVCHAN SS$_IVCHAN
1080# define SS_NORMAL SS$_NORMAL
748a9306 1081#else
aba27d88 1082# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1083# define LIB_INVARG 0
1084# define RMS_DIR 0
1085# define RMS_FAC 0
1086# define RMS_FEX 0
1087# define RMS_FNF 0
1088# define RMS_IFI 0
1089# define RMS_ISI 0
1090# define RMS_PRV 0
1091# define SS_ACCVIO 0
1092# define SS_DEVOFFLINE 0
1093# define SS_IVCHAN 0
1094# define SS_NORMAL 0
748a9306 1095#endif
ed6116ce 1096
3db8f154
MB
1097#define ERRSV GvSV(PL_errgv)
1098#define DEFSV GvSV(PL_defgv)
1099#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1100
98eae8f5
GS
1101#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1102
55497cff 1103#ifndef errno
5ff3f7a4
GS
1104 extern int errno; /* ANSI allows errno to be an lvalue expr.
1105 * For example in multithreaded environments
1106 * something like this might happen:
1107 * extern int *_errno(void);
1108 * #define errno (*_errno()) */
d9d8d8de 1109#endif
663a0e37 1110
2304df62 1111#ifdef HAS_STRERROR
a0d0e21e 1112# ifdef VMS
20ce7b12 1113 char *strerror (int,...);
a0d0e21e 1114# else
68dc0745 1115#ifndef DONT_DECLARE_STD
20ce7b12 1116 char *strerror (int);
68dc0745 1117#endif
a0d0e21e 1118# endif
2304df62
AD
1119# ifndef Strerror
1120# define Strerror strerror
1121# endif
1122#else
1123# ifdef HAS_SYS_ERRLIST
79072805
LW
1124 extern int sys_nerr;
1125 extern char *sys_errlist[];
2304df62
AD
1126# ifndef Strerror
1127# define Strerror(e) \
79072805 1128 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1129# endif
79072805 1130# endif
35c8bce7 1131#endif
663a0e37 1132
2304df62 1133#ifdef I_SYS_IOCTL
79072805
LW
1134# ifndef _IOCTL_
1135# include <sys/ioctl.h>
1136# endif
a687059c
LW
1137#endif
1138
ee0007ab 1139#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1140# ifdef HAS_SOCKETPAIR
1141# undef HAS_SOCKETPAIR
1142# endif
2304df62
AD
1143# ifdef I_NDBM
1144# undef I_NDBM
79072805 1145# endif
a687059c
LW
1146#endif
1147
02fc2eee
NC
1148#ifndef HAS_SOCKETPAIR
1149# ifdef HAS_SOCKET
1150# define socketpair Perl_my_socketpair
1151# endif
1152#endif
1153
a687059c 1154#if INTSIZE == 2
79072805
LW
1155# define htoni htons
1156# define ntohi ntohs
a687059c 1157#else
79072805
LW
1158# define htoni htonl
1159# define ntohi ntohl
a687059c
LW
1160#endif
1161
a0d0e21e 1162/* Configure already sets Direntry_t */
35c8bce7 1163#if defined(I_DIRENT)
663a0e37 1164# include <dirent.h>
8f1f23e8
W
1165 /* NeXT needs dirent + sys/dir.h */
1166# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1167# include <sys/dir.h>
1168# endif
ae986130 1169#else
fe14fcc3 1170# ifdef I_SYS_NDIR
79a0689e 1171# include <sys/ndir.h>
663a0e37 1172# else
fe14fcc3 1173# ifdef I_SYS_DIR
79a0689e
LW
1174# ifdef hp9000s500
1175# include <ndir.h> /* may be wrong in the future */
1176# else
1177# include <sys/dir.h>
1178# endif
663a0e37
LW
1179# endif
1180# endif
4633a7c4 1181#endif
a687059c 1182
12ae5dfc
JH
1183#ifdef PERL_MICRO
1184# ifndef DIR
1185# define DIR void
1186# endif
1187#endif
1188
352d5a3a
LW
1189#ifdef FPUTS_BOTCH
1190/* work around botch in SunOS 4.0.1 and 4.0.2 */
1191# ifndef fputs
79072805 1192# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1193# endif
1194#endif
1195
c623bd54
LW
1196/*
1197 * The following gobbledygook brought to you on behalf of __STDC__.
1198 * (I could just use #ifndef __STDC__, but this is more bulletproof
1199 * in the face of half-implementations.)
1200 */
1201
7114a2d2 1202#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1203#include <sys/mode.h>
1204#endif
1205
c623bd54
LW
1206#ifndef S_IFMT
1207# ifdef _S_IFMT
1208# define S_IFMT _S_IFMT
1209# else
1210# define S_IFMT 0170000
1211# endif
1212#endif
1213
1214#ifndef S_ISDIR
1215# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1216#endif
1217
1218#ifndef S_ISCHR
1219# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1220#endif
1221
1222#ifndef S_ISBLK
fe14fcc3
LW
1223# ifdef S_IFBLK
1224# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1225# else
1226# define S_ISBLK(m) (0)
1227# endif
c623bd54
LW
1228#endif
1229
1230#ifndef S_ISREG
1231# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1232#endif
1233
1234#ifndef S_ISFIFO
fe14fcc3
LW
1235# ifdef S_IFIFO
1236# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1237# else
1238# define S_ISFIFO(m) (0)
1239# endif
c623bd54
LW
1240#endif
1241
1242#ifndef S_ISLNK
1243# ifdef _S_ISLNK
1244# define S_ISLNK(m) _S_ISLNK(m)
1245# else
1246# ifdef _S_IFLNK
1247# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1248# else
1249# ifdef S_IFLNK
1250# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1251# else
1252# define S_ISLNK(m) (0)
1253# endif
1254# endif
1255# endif
1256#endif
1257
1258#ifndef S_ISSOCK
1259# ifdef _S_ISSOCK
1260# define S_ISSOCK(m) _S_ISSOCK(m)
1261# else
1262# ifdef _S_IFSOCK
1263# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1264# else
1265# ifdef S_IFSOCK
1266# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1267# else
1268# define S_ISSOCK(m) (0)
1269# endif
1270# endif
1271# endif
1272#endif
1273
1274#ifndef S_IRUSR
1275# ifdef S_IREAD
1276# define S_IRUSR S_IREAD
1277# define S_IWUSR S_IWRITE
1278# define S_IXUSR S_IEXEC
1279# else
1280# define S_IRUSR 0400
1281# define S_IWUSR 0200
1282# define S_IXUSR 0100
1283# endif
fac7cdfc 1284#endif
1285
1286#ifndef S_IRGRP
1287# ifdef S_IRUSR
1288# define S_IRGRP (S_IRUSR>>3)
1289# define S_IWGRP (S_IWUSR>>3)
1290# define S_IXGRP (S_IXUSR>>3)
1291# else
1292# define S_IRGRP 0040
1293# define S_IWGRP 0020
1294# define S_IXGRP 0010
1295# endif
1296#endif
1297
1298#ifndef S_IROTH
1299# ifdef S_IRUSR
1300# define S_IROTH (S_IRUSR>>6)
1301# define S_IWOTH (S_IWUSR>>6)
1302# define S_IXOTH (S_IXUSR>>6)
1303# else
1304# define S_IROTH 0040
1305# define S_IWOTH 0020
1306# define S_IXOTH 0010
1307# endif
c623bd54
LW
1308#endif
1309
1310#ifndef S_ISUID
1311# define S_ISUID 04000
1312#endif
1313
1314#ifndef S_ISGID
1315# define S_ISGID 02000
1316#endif
1317
ca6e1c26
JH
1318#ifndef S_IRWXU
1319# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1320#endif
ca6e1c26
JH
1321
1322#ifndef S_IRWXG
1323# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1324#endif
ca6e1c26
JH
1325
1326#ifndef S_IRWXO
1327# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1328#endif
ca6e1c26 1329
c21fb2b8
JH
1330/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1331 * which would get included through <sys/file.h >, but that is 3000
1332 * lines in the future. --jhi */
1333
1334#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1335# define S_IREAD S_IRUSR
1336#endif
1337
c21fb2b8 1338#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1339# define S_IWRITE S_IWUSR
1340#endif
1341
1342#ifndef S_IEXEC
1343# define S_IEXEC S_IXUSR
1344#endif
1345
79072805
LW
1346#ifdef ff_next
1347# undef ff_next
352d5a3a
LW
1348#endif
1349
a0d0e21e 1350#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1351# define SLOPPYDIVIDE
1352#endif
1353
748a9306
LW
1354#ifdef UV
1355#undef UV
1356#endif
1357
c89df6bf
JH
1358#ifdef SPRINTF_E_BUG
1359# define sprintf UTS_sprintf_wrap
1360#endif
1361
c495e728
JH
1362/* Configure gets this right but the UTS compiler gets it wrong.
1363 -- Hal Morris <hom00@utsglobal.com> */
1364#ifdef UTS
1365# undef UVTYPE
1366# define UVTYPE unsigned
1367#endif
1368
05f13f53 1369/*
27d4fb96
PP
1370 The IV type is supposed to be long enough to hold any integral
1371 value or a pointer.
1372 --Andy Dougherty August 1996
1373*/
1374
a22e52b9
JH
1375typedef IVTYPE IV;
1376typedef UVTYPE UV;
8175356b 1377
10cc9d2a 1378#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1379# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1380# define IV_MAX INT64_MAX
1381# define IV_MIN INT64_MIN
1382# define UV_MAX UINT64_MAX
cae7ae48
JH
1383# ifndef UINT64_MIN
1384# define UINT64_MIN 0
1385# endif
5ff3f7a4
GS
1386# define UV_MIN UINT64_MIN
1387# else
1388# define IV_MAX PERL_QUAD_MAX
1389# define IV_MIN PERL_QUAD_MIN
1390# define UV_MAX PERL_UQUAD_MAX
1391# define UV_MIN PERL_UQUAD_MIN
1392# endif
cf2093f6
JH
1393# define IV_IS_QUAD
1394# define UV_IS_QUAD
79072805 1395#else
8175356b 1396# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1397# define IV_MAX INT32_MAX
1398# define IV_MIN INT32_MIN
716026f9
DL
1399# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1400# define UV_MAX UINT32_MAX
1401# else
1402# define UV_MAX 4294967295U
1403# endif
cae7ae48
JH
1404# ifndef UINT32_MIN
1405# define UINT32_MIN 0
1406# endif
5ff3f7a4
GS
1407# define UV_MIN UINT32_MIN
1408# else
1409# define IV_MAX PERL_LONG_MAX
1410# define IV_MIN PERL_LONG_MIN
1411# define UV_MAX PERL_ULONG_MAX
1412# define UV_MIN PERL_ULONG_MIN
1413# endif
8175356b 1414# if IVSIZE == 8
cf2093f6
JH
1415# define IV_IS_QUAD
1416# define UV_IS_QUAD
de1c2614
JH
1417# ifndef HAS_QUAD
1418# define HAS_QUAD
1419# endif
cf2093f6
JH
1420# else
1421# undef IV_IS_QUAD
1422# undef UV_IS_QUAD
de1c2614 1423# undef HAS_QUAD
cf2093f6 1424# endif
79072805 1425#endif
d7d93a81 1426
1109a392
MHM
1427#ifndef HAS_QUAD
1428# undef PERL_NEED_MY_HTOLE64
1429# undef PERL_NEED_MY_LETOH64
1430# undef PERL_NEED_MY_HTOBE64
1431# undef PERL_NEED_MY_BETOH64
1432#endif
1433
6cde8aec 1434#if defined(uts) || defined(UTS)
11afe549
HM
1435# undef UV_MAX
1436# define UV_MAX (4294967295u)
20601011
JH
1437#endif
1438
cae7ae48 1439#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1440#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1441
28e5dec8 1442#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1443#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1444#endif
1445
d460ef45 1446/*
26bb67e2
JH
1447 * The macros INT2PTR and NUM2PTR are (despite their names)
1448 * bi-directional: they will convert int/float to or from pointers.
1449 * However the conversion to int/float are named explicitly:
1450 * PTR2IV, PTR2UV, PTR2NV.
1451 *
1452 * For int conversions we do not need two casts if pointers are
1453 * the same size as IV and UV. Otherwise we need an explicit
1454 * cast (PTRV) to avoid compiler warnings.
1455 */
56431972
RB
1456#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1457# define PTRV UV
1458# define INT2PTR(any,d) (any)(d)
1459#else
d460ef45 1460# if PTRSIZE == LONGSIZE
56431972 1461# define PTRV unsigned long
42718184 1462# else
56431972 1463# define PTRV unsigned
42718184 1464# endif
56431972 1465# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1466#endif
56431972
RB
1467#define NUM2PTR(any,d) (any)(PTRV)(d)
1468#define PTR2IV(p) INT2PTR(IV,p)
1469#define PTR2UV(p) INT2PTR(UV,p)
1470#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1471#if PTRSIZE == LONGSIZE
d2560b70
RB
1472# define PTR2ul(p) (unsigned long)(p)
1473#else
1474# define PTR2ul(p) INT2PTR(unsigned long,p)
1475#endif
d460ef45 1476
65202027 1477#ifdef USE_LONG_DOUBLE
1048ea30
JH
1478# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1479# define LONG_DOUBLE_EQUALS_DOUBLE
1480# endif
68d4903c 1481# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1482# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1483# endif
1484#endif
1485
2d4389e4
JH
1486#ifdef OVR_DBL_DIG
1487/* Use an overridden DBL_DIG */
1488# ifdef DBL_DIG
1489# undef DBL_DIG
1490# endif
1491# define DBL_DIG OVR_DBL_DIG
1492#else
1493/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1494 default value for printing floating point numbers in Gconvert
1495 (see config.h). (It also has other uses, such as figuring out if
1496 a given precision of printing can be done with a double instead of
1497 a long double - Allen).
2d4389e4
JH
1498*/
1499#ifdef I_LIMITS
1500#include <limits.h>
1501#endif
1502#ifdef I_FLOAT
1503#include <float.h>
1504#endif
1505#ifndef HAS_DBL_DIG
1506#define DBL_DIG 15 /* A guess that works lots of places */
1507#endif
1508#endif
cbca01e1
JH
1509#ifdef I_FLOAT
1510#include <float.h>
1511#endif
1512#ifndef HAS_DBL_DIG
1513#define DBL_DIG 15 /* A guess that works lots of places */
1514#endif
2d4389e4
JH
1515
1516#ifdef OVR_LDBL_DIG
1517/* Use an overridden LDBL_DIG */
1518# ifdef LDBL_DIG
1519# undef LDBL_DIG
1520# endif
1521# define LDBL_DIG OVR_LDBL_DIG
1522#else
1523/* The following is all to get LDBL_DIG, in order to pick a nice
1524 default value for printing floating point numbers in Gconvert.
1525 (see config.h)
1526*/
68d4903c
JH
1527# ifdef I_LIMITS
1528# include <limits.h>
1529# endif
1530# ifdef I_FLOAT
1531# include <float.h>
1532# endif
1533# ifndef HAS_LDBL_DIG
1534# if LONG_DOUBLESIZE == 10
1535# define LDBL_DIG 18 /* assume IEEE */
1536# else
1537# if LONG_DOUBLESIZE == 12
1538# define LDBL_DIG 18 /* gcc? */
1539# else
1540# if LONG_DOUBLESIZE == 16
1541# define LDBL_DIG 33 /* assume IEEE */
1542# else
1543# if LONG_DOUBLESIZE == DOUBLESIZE
1544# define LDBL_DIG DBL_DIG /* bummer */
1545# endif
1546# endif
1547# endif
1548# endif
1549# endif
2d4389e4
JH
1550#endif
1551
20f6aaab
AS
1552/*
1553 * This is for making sure we have a good DBL_MAX value, if possible,
1554 * either for usage as NV_MAX or for usage in figuring out if we can
1555 * fit a given long double into a double, if bug-fixing makes it
1556 * necessary to do so. - Allen <allens@cpan.org>
1557 */
1558
205f51d8
AS
1559#ifdef I_LIMITS
1560# include <limits.h>
20f6aaab
AS
1561#endif
1562
205f51d8
AS
1563#ifdef I_VALUES
1564# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1565# include <values.h>
1566# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1567# define DBL_MAX MAXDOUBLE
1568# endif
1569# if defined(MINDOUBLE) && !defined(DBL_MIN)
1570# define DBL_MIN MINDOUBLE
1571# endif
1572# endif
1573#endif /* defined(I_VALUES) */
1574
a22e52b9 1575typedef NVTYPE NV;
8175356b 1576
792d8dab
JH
1577#ifdef I_IEEEFP
1578# include <ieeefp.h>
1579#endif
923fc586 1580
65202027 1581#ifdef USE_LONG_DOUBLE
923fc586
JH
1582# ifdef I_SUNMATH
1583# include <sunmath.h>
1584# endif
2d4389e4 1585# define NV_DIG LDBL_DIG
d6c14000
JH
1586# ifdef LDBL_MANT_DIG
1587# define NV_MANT_DIG LDBL_MANT_DIG
1588# endif
06fc1729
JH
1589# ifdef LDBL_MIN
1590# define NV_MIN LDBL_MIN
1591# endif
1592# ifdef LDBL_MAX
1593# define NV_MAX LDBL_MAX
1594# endif
1595# ifdef LDBL_MIN_10_EXP
1596# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1597# endif
1598# ifdef LDBL_MAX_10_EXP
1599# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1600# endif
1601# ifdef LDBL_EPSILON
1602# define NV_EPSILON LDBL_EPSILON
1603# endif
f4a14a62
JH
1604# ifdef LDBL_MAX
1605# define NV_MAX LDBL_MAX
20f6aaab 1606/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1607# else
1608# ifdef HUGE_VALL
1609# define NV_MAX HUGE_VALL
1610# else
1611# ifdef HUGE_VAL
1612# define NV_MAX ((NV)HUGE_VAL)
1613# endif
1614# endif
1615# endif
68d4903c 1616# ifdef HAS_SQRTL
68d4903c
JH
1617# define Perl_cos cosl
1618# define Perl_sin sinl
1619# define Perl_sqrt sqrtl
1620# define Perl_exp expl
1621# define Perl_log logl
1622# define Perl_atan2 atan2l
1623# define Perl_pow powl
1624# define Perl_floor floorl
1bbae031 1625# define Perl_ceil ceill
68d4903c
JH
1626# define Perl_fmod fmodl
1627# endif
a3540c92
JH
1628/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1629# ifdef HAS_MODFL
1630# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1631/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1632 prototype in <math.h> */
1633# ifndef HAS_MODFL_PROTO
a221a8a5 1634EXTERN_C long double modfl(long double, long double *);
51997bc3 1635# endif
03476e8e
JH
1636# else
1637# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1638 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1639# define Perl_modf(x,y) Perl_my_modfl(x,y)
1640# endif
a3540c92
JH
1641# endif
1642# ifdef HAS_FREXPL
dff3e0b8 1643# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1644# else
1645# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1646 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1647# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1648# endif
a3540c92 1649# endif
38dbb4c5 1650# ifndef Perl_isnan
758a5d79
JH
1651# ifdef HAS_ISNANL
1652# define Perl_isnan(x) isnanl(x)
1653# endif
1654# endif
1655# ifndef Perl_isinf
1656# ifdef HAS_FINITEL
1657# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1658# endif
1659# endif
65202027 1660#else
2d4389e4 1661# define NV_DIG DBL_DIG
d6c14000
JH
1662# ifdef DBL_MANT_DIG
1663# define NV_MANT_DIG DBL_MANT_DIG
1664# endif
06fc1729
JH
1665# ifdef DBL_MIN
1666# define NV_MIN DBL_MIN
1667# endif
1668# ifdef DBL_MAX
1669# define NV_MAX DBL_MAX
1670# endif
1671# ifdef DBL_MIN_10_EXP
1672# define NV_MIN_10_EXP DBL_MIN_10_EXP
1673# endif
1674# ifdef DBL_MAX_10_EXP
1675# define NV_MAX_10_EXP DBL_MAX_10_EXP
1676# endif
1677# ifdef DBL_EPSILON
1678# define NV_EPSILON DBL_EPSILON
1679# endif
205f51d8 1680# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1681# define NV_MAX DBL_MAX
1682# define NV_MIN DBL_MIN
1683# else
1684# ifdef HUGE_VAL
1685# define NV_MAX HUGE_VAL
1686# endif
1687# endif
65202027
DS
1688# define Perl_cos cos
1689# define Perl_sin sin
1690# define Perl_sqrt sqrt
1691# define Perl_exp exp
1692# define Perl_log log
1693# define Perl_atan2 atan2
1694# define Perl_pow pow
1695# define Perl_floor floor
1bbae031 1696# define Perl_ceil ceil
65202027 1697# define Perl_fmod fmod
a3540c92 1698# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1699# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1700#endif
1701
1702/* rumor has it that Win32 has _fpclass() */
1703
205f51d8
AS
1704/* SGI has fpclassl... but not with the same result values,
1705 * and it's via a typedef (not via #define), so will need to redo Configure
1706 * to use. Not worth the trouble, IMO, at least until the below is used
1707 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1708 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1709 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1710
758a5d79
JH
1711#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1712# ifdef I_IEEFP
1713# include <ieeefp.h>
1714# endif
1715# ifdef I_FP
1716# include <fp.h>
1717# endif
1718# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1719# define Perl_fp_class() fpclassl(x)
1720# else
1721# define Perl_fp_class() fpclass(x)
1722# endif
1723# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1724# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1725# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1726# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1727# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1728# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1729# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1730# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1731# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1732# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1733# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1734# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1735# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1736# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1737# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1738#endif
1739
7114a2d2 1740#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1741# include <math.h>
1742# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1743# include <fp_class.h>
1744# endif
1745# define Perl_fp_class(x) fp_class(x)
1746# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1747# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1748# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1749# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1750# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1751# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1752# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1753# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1754# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1755# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1756# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1757# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1758# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1759# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1760# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1761#endif
1762
1763#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1764# include <math.h>
1765# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1766# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1767# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1768# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1769# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1770# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1771#endif
1772
1773#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1774# include <math.h>
1775# ifndef _cplusplus
1776# define Perl_fp_class(x) class(x)
1777# else
1778# define Perl_fp_class(x) _class(x)
1779# endif
1780# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1781# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1782# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1783# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1784# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1785# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1786# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1787# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1788# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1789# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1790# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1791# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1792# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1793# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1794# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1795#endif
1796
1797/* rumor has it that Win32 has _isnan() */
1798
1799#ifndef Perl_isnan
a3540c92 1800# ifdef HAS_ISNAN
758a5d79
JH
1801# define Perl_isnan(x) isnan((NV)x)
1802# else
1803# ifdef Perl_fp_class_nan
1804# define Perl_isnan(x) Perl_fp_class_nan(x)
1805# else
1806# ifdef HAS_UNORDERED
1807# define Perl_isnan(x) unordered((x), 0.0)
1808# else
1809# define Perl_isnan(x) ((x)!=(x))
1810# endif
1811# endif
1812# endif
1813#endif
1814
ca6c63e1
JH
1815#ifdef UNDER_CE
1816int isnan(double d);
1817#endif
1818
758a5d79
JH
1819#ifndef Perl_isinf
1820# ifdef HAS_ISINF
1821# define Perl_isinf(x) isinf((NV)x)
a3540c92 1822# else
758a5d79
JH
1823# ifdef Perl_fp_class_inf
1824# define Perl_isinf(x) Perl_fp_class_inf(x)
1825# else
1826# define Perl_isinf(x) ((x)==NV_INF)
1827# endif
1828# endif
1829#endif
1830
1831#ifndef Perl_isfinite
1832# ifdef HAS_FINITE
1833# define Perl_isfinite(x) finite((NV)x)
1834# else
1835# ifdef HAS_ISFINITE
1836# define Perl_isfinite(x) isfinite(x)
1837# else
1838# ifdef Perl_fp_class_finite
1839# define Perl_isfinite(x) Perl_fp_class_finite(x)
1840# else
1841# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1842# endif
1843# endif
a3540c92 1844# endif
65202027
DS
1845#endif
1846
a36244b7
JH
1847/* The default is to use Perl's own atof() implementation (in numeric.c).
1848 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1849 * it is however best to use the native implementation of atof.
1850 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1851 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1852 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1853 * you may need to be using a different function than atof! */
a36244b7
JH
1854
1855#ifndef USE_PERL_ATOF
1856# ifndef _UNICOS
1857# define USE_PERL_ATOF
1858# endif
1859#else
1860# if USE_PERL_ATOF == 0
1861# undef USE_PERL_ATOF
1862# endif
1863#endif
1864
1865#ifdef USE_PERL_ATOF
1866# define Perl_atof(s) Perl_my_atof(s)
1867# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1868#else
1869# define Perl_atof(s) (NV)atof(s)
1870# define Perl_atof2(s, n) ((n) = atof(s))
1871#endif
cf2093f6 1872
d460ef45 1873/* Previously these definitions used hardcoded figures.
760ac839
LW
1874 * It is hoped these formula are more portable, although
1875 * no data one way or another is presently known to me.
1876 * The "PERL_" names are used because these calculated constants
1877 * do not meet the ANSI requirements for LONG_MAX, etc., which
1878 * need to be constants acceptable to #if - kja
1879 * define PERL_LONG_MAX 2147483647L
1880 * define PERL_LONG_MIN (-LONG_MAX - 1)
1881 * define PERL ULONG_MAX 4294967295L
1882 */
1883
1884#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1885# include <limits.h>
760ac839 1886#endif
205f51d8
AS
1887/* Included values.h above if necessary; still including limits.h down here,
1888 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1889
99abf803
PP
1890/*
1891 * Try to figure out max and min values for the integral types. THE CORRECT
1892 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1893 * following hacks are used if neither limits.h or values.h provide them:
1894 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1895 * for types < int: (unsigned TYPE)~(unsigned)0
1896 * The argument to ~ must be unsigned so that later signed->unsigned
1897 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1898 * and it must not be smaller than int because ~ does integral promotion.
1899 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1900 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1901 * The latter is a hack which happens to work on some machines but
1902 * does *not* catch any random system, or things like integer types
1903 * with NaN if that is possible.
1904 *
1905 * All of the types are explicitly cast to prevent accidental loss of
1906 * numeric range, and in the hope that they will be less likely to confuse
1907 * over-eager optimizers.
1908 *
1909 */
27d4fb96 1910
99abf803
PP
1911#define PERL_UCHAR_MIN ((unsigned char)0)
1912
1913#ifdef UCHAR_MAX
1914# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1915#else
99abf803
PP
1916# ifdef MAXUCHAR
1917# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1918# else
99abf803 1919# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1920# endif
1921#endif
d460ef45 1922
99abf803
PP
1923/*
1924 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1925 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1926 * depending on local options. Until Configure detects this (or at least
1927 * detects whether the "signed" keyword is available) the CHAR ranges
1928 * will not be included. UCHAR functions normally.
1929 * - kja
1930 */
27d4fb96 1931
99abf803
PP
1932#define PERL_USHORT_MIN ((unsigned short)0)
1933
1934#ifdef USHORT_MAX
1935# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1936#else
99abf803
PP
1937# ifdef MAXUSHORT
1938# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1939# else
ef2f54b0
CB
1940# ifdef USHRT_MAX
1941# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1942# else
1943# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1944# endif
27d4fb96
PP
1945# endif
1946#endif
1947
27d4fb96 1948#ifdef SHORT_MAX
99abf803 1949# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1950#else
1951# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1952# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1953# else
ef2f54b0
CB
1954# ifdef SHRT_MAX
1955# define PERL_SHORT_MAX ((short)SHRT_MAX)
1956# else
1957# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1958# endif
27d4fb96
PP
1959# endif
1960#endif
1961
1962#ifdef SHORT_MIN
99abf803 1963# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1964#else
1965# ifdef MINSHORT
99abf803 1966# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1967# else
ef2f54b0
CB
1968# ifdef SHRT_MIN
1969# define PERL_SHORT_MIN ((short)SHRT_MIN)
1970# else
1971# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1972# endif
27d4fb96
PP
1973# endif
1974#endif
1975
99abf803
PP
1976#ifdef UINT_MAX
1977# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1978#else
99abf803
PP
1979# ifdef MAXUINT
1980# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1981# else
99abf803 1982# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1983# endif
1984#endif
1985
99abf803 1986#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1987
1988#ifdef INT_MAX
99abf803 1989# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1990#else
1991# ifdef MAXINT /* Often used in <values.h> */
99abf803 1992# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1993# else
99abf803 1994# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1995# endif
1996#endif
1997
1998#ifdef INT_MIN
99abf803 1999# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2000#else
2001# ifdef MININT
99abf803 2002# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2003# else
2004# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2005# endif
2006#endif
2007
99abf803
PP
2008#ifdef ULONG_MAX
2009# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2010#else
99abf803
PP
2011# ifdef MAXULONG
2012# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2013# else
99abf803 2014# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2015# endif
2016#endif
2017
99abf803 2018#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2019
760ac839 2020#ifdef LONG_MAX
99abf803 2021# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2022#else
2023# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2024# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2025# else
99abf803 2026# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2027# endif
2028#endif
2029
2030#ifdef LONG_MIN
99abf803 2031# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2032#else
2033# ifdef MINLONG
99abf803 2034# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2035# else
27d4fb96 2036# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2037# endif
2038#endif
2039
d7d93a81 2040#ifdef UV_IS_QUAD
99abf803 2041
99abf803 2042# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2043# define PERL_UQUAD_MIN ((UV)0)
99abf803 2044# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2045# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2046
79072805
LW
2047#endif
2048
22f7c9c9
JH
2049#ifdef MYMALLOC
2050# include "malloc_ctl.h"
2051#endif
2052
830247a4 2053struct RExC_state_t;
880b20b6 2054
ee0007ab 2055typedef MEM_SIZE STRLEN;
450a55e4 2056
79072805
LW
2057typedef struct op OP;
2058typedef struct cop COP;
2059typedef struct unop UNOP;
2060typedef struct binop BINOP;
2061typedef struct listop LISTOP;
2062typedef struct logop LOGOP;
79072805
LW
2063typedef struct pmop PMOP;
2064typedef struct svop SVOP;
7934575e 2065typedef struct padop PADOP;
79072805 2066typedef struct pvop PVOP;
79072805
LW
2067typedef struct loop LOOP;
2068
93a17b20 2069typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2070
2071/* Amdahl's <ksync.h> has struct sv */
2072/* SGI's <sys/sema.h> has struct sv */
2073#if defined(UTS) || defined(__sgi)
2074# define STRUCT_SV perl_sv
b8d3c5db
JH
2075#else
2076# define STRUCT_SV sv
2077#endif
2078typedef struct STRUCT_SV SV;
79072805
LW
2079typedef struct av AV;
2080typedef struct hv HV;
2081typedef struct cv CV;
378cc40b 2082typedef struct regexp REGEXP;
79072805 2083typedef struct gp GP;
0c30d9ec 2084typedef struct gv GV;
8990e307 2085typedef struct io IO;
c09156bb 2086typedef struct context PERL_CONTEXT;
79072805
LW
2087typedef struct block BLOCK;
2088
2089typedef struct magic MAGIC;
ed6116ce 2090typedef struct xrv XRV;
79072805
LW
2091typedef struct xpv XPV;
2092typedef struct xpviv XPVIV;
ff68c719 2093typedef struct xpvuv XPVUV;
79072805
LW
2094typedef struct xpvnv XPVNV;
2095typedef struct xpvmg XPVMG;
2096typedef struct xpvlv XPVLV;
2097typedef struct xpvav XPVAV;
2098typedef struct xpvhv XPVHV;
2099typedef struct xpvgv XPVGV;
2100typedef struct xpvcv XPVCV;
2101typedef struct xpvbm XPVBM;
2102typedef struct xpvfm XPVFM;
8990e307 2103typedef struct xpvio XPVIO;
79072805
LW
2104typedef struct mgvtbl MGVTBL;
2105typedef union any ANY;
5f7fde29
GS
2106typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2107typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2108typedef struct clone_params CLONE_PARAMS;
2109
378cc40b 2110#include "handy.h"
a0d0e21e 2111
6b8eaf93 2112#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2113# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2114# define USE_64_BIT_RAWIO /* implicit */
2115# endif
4564133c
JH
2116#endif
2117
6b8eaf93
JH
2118/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2119 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2120 * however, because operating systems like to do that themself. */
2121#ifndef FSEEKSIZE
2122# ifdef HAS_FSEEKO
2123# define FSEEKSIZE LSEEKSIZE
2124# else
2125# define FSEEKSIZE LONGSIZE
d460ef45 2126# endif
6b8eaf93
JH
2127#endif
2128
2129#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2130# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2131# define USE_64_BIT_STDIO /* implicit */
2132# endif
2133#endif
4564133c 2134
09458382 2135#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2136# ifdef HAS_OFF64_T
2137# undef Off_t
2138# define Off_t off64_t
2139# undef LSEEKSIZE
2140# define LSEEKSIZE 8
5ff3f7a4 2141# endif
d9b3e12d
JH
2142/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2143 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2144 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2145# if defined(USE_OPEN64)
2146# define open open64
5ff3f7a4 2147# endif
d9b3e12d
JH
2148# if defined(USE_LSEEK64)
2149# define lseek lseek64
6b8eaf93
JH
2150# else
2151# if defined(USE_LLSEEK)
2152# define lseek llseek
2153# endif
d9b3e12d
JH
2154# endif
2155# if defined(USE_STAT64)
2156# define stat stat64
2157# endif
2158# if defined(USE_FSTAT64)
2159# define fstat fstat64
2160# endif
2161# if defined(USE_LSTAT64)
2162# define lstat lstat64
2163# endif
2164# if defined(USE_FLOCK64)
2165# define flock flock64
2166# endif
2167# if defined(USE_LOCKF64)
2168# define lockf lockf64
2169# endif
2170# if defined(USE_FCNTL64)
2171# define fcntl fcntl64
2172# endif
2173# if defined(USE_TRUNCATE64)
2174# define truncate truncate64
2175# endif
2176# if defined(USE_FTRUNCATE64)
2177# define ftruncate ftruncate64
2178# endif
2179#endif
2180
2181#ifdef USE_64_BIT_STDIO
2182# ifdef HAS_FPOS64_T
2183# undef Fpos_t
2184# define Fpos_t fpos64_t
2185# endif
2186/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2187 * will trigger defines like the ones below. Some 64-bit environments,
2188 * however, do not. */
2189# if defined(USE_FOPEN64)
2190# define fopen fopen64
2191# endif
2192# if defined(USE_FSEEK64)
6b8eaf93 2193# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2194# endif
2195# if defined(USE_FTELL64)
6b8eaf93 2196# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2197# endif
2198# if defined(USE_FSETPOS64)
2199# define fsetpos fsetpos64
2200# endif
2201# if defined(USE_FGETPOS64)
2202# define fgetpos fgetpos64
2203# endif
2204# if defined(USE_TMPFILE64)
2205# define tmpfile tmpfile64
2206# endif
2207# if defined(USE_FREOPEN64)
2208# define freopen freopen64
5ff3f7a4
GS
2209# endif
2210#endif
2211
af8b425d 2212#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2213# include "iperlsys.h"
2214#endif
2215
6f71a643 2216#if defined(__OPEN_VM)
19848b3f
JH
2217# include "vmesa/vmesaish.h"
2218# define ISHISH "vmesa"
6f71a643
JH
2219#endif
2220
748a9306 2221#ifdef DOSISH
19848b3f
JH
2222# if defined(OS2)
2223# include "os2ish.h"
2224# else
2225# include "dosish.h"
2226# endif
2227# define ISHISH "dos"
2228#endif
2229
2230#if defined(VMS)
748a9306 2231# include "vmsish.h"
96e176bf 2232# include "embed.h"
19848b3f
JH
2233# define ISHISH "vms"
2234#endif
2235
2236#if defined(PLAN9)
2237# include "./plan9/plan9ish.h"
2238# define ISHISH "plan9"
2239#endif
2240
2241#if defined(MPE)
2242# include "mpeix/mpeixish.h"
2243# define ISHISH "mpeix"
2244#endif
2245
2246#if defined(__VOS__)
196918b0
PG
2247# ifdef __GNUC__
2248# include "./vos/vosish.h"
2249# else
2250# include "vos/vosish.h"
2251# endif
19848b3f
JH
2252# define ISHISH "vos"
2253#endif
2254
2255#if defined(EPOC)
2256# include "epocish.h"
2257# define ISHISH "epoc"
2258#endif
2259
27da23d5
JH
2260#ifdef SYMBIAN
2261# include "symbian/symbianish.h"
2262# include "embed.h"
2263# define ISHISH "symbian"
2264#endif
2265
19848b3f
JH
2266#if defined(MACOS_TRADITIONAL)
2267# include "macos/macish.h"
2268# ifndef NO_ENVIRON_ARRAY
2269# define NO_ENVIRON_ARRAY
0c30d9ec 2270# endif
19848b3f
JH
2271# define ISHISH "macos classic"
2272#endif
2273
efca5cc6
JH
2274#if defined(__BEOS__)
2275# include "beos/beosish.h"
2276# define ISHISH "beos"
2277#endif
2278
19848b3f
JH
2279#ifndef ISHISH
2280# include "unixish.h"
2281# define ISHISH "unix"
13b6e58c
JH
2282#endif
2283
2284#ifndef NO_ENVIRON_ARRAY
2285# define USE_ENVIRON_ARRAY
2286#endif
32f822de 2287
c77b533b
JH
2288/*
2289 * initialise to avoid floating-point exceptions from overflow, etc
2290 */
2291#ifndef PERL_FPU_INIT
2292# ifdef HAS_FPSETMASK
2293# if HAS_FLOATINGPOINT_H
2294# include <floatingpoint.h>
2295# endif
2296# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2297# else
2f42fcb0 2298# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2299# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2300# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2301# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2302# else
2303# define PERL_FPU_INIT
2f42fcb0 2304
7014c407 2305# endif
c77b533b
JH
2306# endif
2307#endif
b35112e7
CS
2308#ifndef PERL_FPU_PRE_EXEC
2309# define PERL_FPU_PRE_EXEC {
2310# define PERL_FPU_POST_EXEC }
2311#endif
c77b533b 2312
ed344e4f
IZ
2313#ifndef PERL_SYS_INIT3
2314# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2315#endif
2316
be708cc0
JH
2317#ifndef PERL_WRITE_MSG_TO_CONSOLE
2318# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2319#endif
2320
0f31cffe
GS
2321#ifndef MAXPATHLEN
2322# ifdef PATH_MAX
b990c8b2
JH
2323# ifdef _POSIX_PATH_MAX
2324# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2325/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2326 * included the null byte or not. Later amendments of POSIX,
2327 * XPG4, the Austin Group, and the Single UNIX Specification
2328 * all explicitly include the null byte in the PATH_MAX.
2329 * Ditto for _POSIX_PATH_MAX. */
2330# define MAXPATHLEN PATH_MAX
b990c8b2 2331# else
09448d78 2332# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2333# endif
2334# else
2335# define MAXPATHLEN (PATH_MAX+1)
2336# endif
0f31cffe 2337# else
b990c8b2 2338# ifdef _POSIX_PATH_MAX
09448d78 2339# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2340# else
2341# define MAXPATHLEN 1024 /* Err on the large side. */
2342# endif
0f31cffe
GS
2343# endif
2344#endif
2345
3db8f154 2346/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2347 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2348 * this results in many functions being undeclared which bothers C++
2349 * May make sense to have threads after "*ish.h" anyway
2350 */
2351
3db8f154 2352#if defined(USE_ITHREADS)
2986a63f
JH
2353# ifdef NETWARE
2354# include <nw5thread.h>
2355# else
32f822de
GS
2356# ifdef FAKE_THREADS
2357# include "fakethr.h"
2358# else
2359# ifdef WIN32
2360# include <win32thread.h>
2361# else
dd96f567
IZ
2362# ifdef OS2
2363# include "os2thread.h"
2364# else
7f3d1cf1 2365# ifdef I_MACH_CTHREADS
bdd66968 2366# include <mach/cthreads.h>
8f1f23e8 2367# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2368# define MUTEX_INIT_CALLS_MALLOC
2369# endif
7f3d1cf1
BH
2370typedef cthread_t perl_os_thread;
2371typedef mutex_t perl_mutex;
2372typedef condition_t perl_cond;
2373typedef void * perl_key;
2374# else /* Posix threads */
1f5ae88c
JH
2375# ifdef I_PTHREAD
2376# include <pthread.h>
2377# endif
7f3d1cf1
BH
2378typedef pthread_t perl_os_thread;
2379typedef pthread_mutex_t perl_mutex;
2380typedef pthread_cond_t perl_cond;
2381typedef pthread_key_t perl_key;
2382# endif /* I_MACH_CTHREADS */
dd96f567 2383# endif /* OS2 */
32f822de
GS
2384# endif /* WIN32 */
2385# endif /* FAKE_THREADS */
2986a63f 2386#endif /* NETWARE */
3db8f154 2387#endif /* USE_ITHREADS */
c5be433b 2388
66a93824 2389#if defined(WIN32)
1feb2720 2390# include "win32.h"
c5be433b
GS
2391#endif
2392
2986a63f
JH
2393#ifdef NETWARE
2394# include "netware.h"
2395#endif
2396
e5218da5 2397#define STATUS_UNIX PL_statusvalue
68dc0745 2398#ifdef VMS
6b88bc9c 2399# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2400# define STATUS_NATIVE_EXPORT \
d98f61e7 2401 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2402# define STATUS_NATIVE_SET(n) \
2403 STMT_START { \
6b88bc9c
GS
2404 PL_statusvalue_vms = (n); \
2405 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2406 PL_statusvalue = -1; \
6b88bc9c 2407 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2408 PL_statusvalue = 0; \
6b88bc9c
GS
2409 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2410 PL_statusvalue = 1 << 8; \
68dc0745 2411 else \
6b88bc9c 2412 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2413 } STMT_END
68dc0745 2414# ifdef VMSISH_STATUS
e5218da5 2415# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2416# else
e5218da5 2417# define STATUS_CURRENT STATUS_UNIX
68dc0745 2418# endif
e5218da5 2419# define STATUS_UNIX_SET(n) \
68dc0745 2420 STMT_START { \
3280af22
NIS
2421 PL_statusvalue = (n); \
2422 if (PL_statusvalue != -1) { \
2423 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2424 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2425 } \
6b88bc9c 2426 else PL_statusvalue_vms = -1; \
68dc0745 2427 } STMT_END
6b88bc9c
GS
2428# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2429# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2430#else
e5218da5
GA
2431# define STATUS_NATIVE PL_statusvalue_posix
2432# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2433# if defined(WCOREDUMP)
2434# define STATUS_NATIVE_SET(n) \
2435 STMT_START { \
2436 PL_statusvalue_posix = (n); \
2437 if (PL_statusvalue_posix == -1) \
2438 PL_statusvalue = -1; \
2439 else { \
2440 PL_statusvalue = \
2441 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2442 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2443 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2444 } \
2445 } STMT_END
2446# elif defined(WIFEXITED)
2447# define STATUS_NATIVE_SET(n) \
2448 STMT_START { \
2449 PL_statusvalue_posix = (n); \
2450 if (PL_statusvalue_posix == -1) \
2451 PL_statusvalue = -1; \
2452 else { \
2453 PL_statusvalue = \
2454 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2455 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2456 } \
2457 } STMT_END
2458# else
2459# define STATUS_NATIVE_SET(n) \
2460 STMT_START { \
2461 PL_statusvalue_posix = (n); \
2462 if (PL_statusvalue_posix == -1) \
2463 PL_statusvalue = -1; \
2464 else { \
2465 PL_statusvalue = \
2466 PL_statusvalue_posix & 0xFFFF; \
2467 } \
2468 } STMT_END
2469# endif
2470# define STATUS_UNIX_SET(n) \
68dc0745 2471 STMT_START { \
3280af22 2472 PL_statusvalue = (n); \
e5218da5 2473 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2474 if (PL_statusvalue != -1) \
2475 PL_statusvalue &= 0xFFFF; \
68dc0745 2476 } STMT_END
e5218da5
GA
2477# define STATUS_CURRENT STATUS_UNIX
2478# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2479# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2480#endif
2481
cc3604b1
GS
2482/* flags in PL_exit_flags for nature of exit() */
2483#define PERL_EXIT_EXPECTED 0x01
31d77e54 2484#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2485
0b94c7bb 2486#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2487# define MEMBER_TO_FPTR(name) name
2488#endif
2489
2490/* format to use for version numbers in file/directory names */
273cf8d1 2491/* XXX move to Configure? */
a7cb1f99 2492#ifndef PERL_FS_VER_FMT
273cf8d1 2493# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2494#endif
2495
45bc9206 2496/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2497 * performance issue, so we allow people to disable it. Also, if
2498 * we are using stdio, there are broken implementations of fflush(NULL)
2499 * out there, Solaris being the most prominent.
45bc9206
GS
2500 */
2501#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2502# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2503# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2504# else
2505# ifdef FFLUSH_ALL
2506# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2507# else
c5be433b 2508# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2509# endif
66fe083f 2510# endif
45bc9206
GS
2511#endif
2512
7766f137
GS
2513#ifndef PERL_WAIT_FOR_CHILDREN
2514# define PERL_WAIT_FOR_CHILDREN NOOP
2515#endif
2516
ba869deb 2517/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2518#ifndef PERL_SET_INTERP
2519# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2520#endif
2521
2522#ifndef PERL_GET_INTERP
2523# define PERL_GET_INTERP (PL_curinterp)
2524#endif
2525
54aff467 2526#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2527# ifdef MULTIPLICITY
ba869deb 2528# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2529# endif
ba869deb
GS
2530# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2531#endif
2532
0dbb1585
AL
2533/* This replaces the previous %_ "hack" by the "%-p" hack
2534 All that is required is that the perl source does not
2535 use "%-p" or "%-<number>p" format. These format will
2536 still work in perl code. RMB 2005/05/17
2537*/
894356b3 2538#ifndef SVf
0dbb1585 2539# define SVf "-p"
894356b3
GS
2540#endif
2541
014ead4b 2542#ifndef SVf_precision
0dbb1585 2543# define SVf_precision(n) "-" n "p"
d2560b70
RB
2544#endif
2545
014ead4b
RB
2546#ifndef SVf32
2547# define SVf32 SVf_precision("32")
2548#endif
2549
2550#ifndef SVf256
2551# define SVf256 SVf_precision("256")
2552#endif
2553
2554#ifndef UVf
2555# define UVf UVuf
d2560b70
RB
2556#endif
2557
5df617be 2558#ifndef DieNull
0dbb1585 2559# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2560#endif
2561
0dbb1585
AL
2562/* In case Configure was not used (we are using a "canned config"
2563 * such as Win32, or a cross-compilation setup, for example) try going
2564 * by the gcc major and minor versions. One useful URL is
2565 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2566 * but contrary to this information warn_unused_result seems
2567 * not to be in gcc 3.3.5, at least. --jhi */
2568#if defined __GNUC__
2569# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2570# define HASATTRIBUTE_FORMAT
2571# endif
2572# if __GNUC__ >= 3 /* 3.0 -> */
2573# define HASATTRIBUTE_MALLOC
2574# endif
2575# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2576# define HASATTRIBUTE_NONNULL
2577# endif
2578# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2579# define HASATTRIBUTE_NORETURN
2580# endif
2581# if __GNUC__ >= 3 /* gcc 3.0 -> */
2582# define HASATTRIBUTE_PURE
2583# endif
2584# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2585# define HASATTRIBUTE_UNUSED
2586# endif
2587# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2588# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB
2589# endif
2590#endif
b7787f18 2591
f22be1b8 2592
0dbb1585
AL
2593#ifdef HASATTRIBUTE_FORMAT
2594# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2595#endif
2596#ifdef HASATTRIBUTE_MALLOC
abb2c242 2597# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2598#endif
0dbb1585 2599#ifdef HASATTRIBUTE_NONNULL
abb2c242 2600# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2601#endif
0dbb1585 2602#ifdef HASATTRIBUTE_NORETURN
abb2c242 2603# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2604#endif
0dbb1585 2605#ifdef HASATTRIBUTE_PURE
abb2c242 2606# define __attribute__pure__ __attribute__((pure))
f22be1b8 2607#endif
0dbb1585
AL
2608#ifdef HASATTRIBUTE_UNUSED
2609# define __attribute__unused__ __attribute__((unused))
2610#endif
2611#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2612# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2613#endif
2614
0dbb1585
AL
2615/* If we haven't defined the attributes yet, define them to blank. */
2616#ifndef __attribute__format__
2617# define __attribute__format__(x,y,z)
2618#endif
f22be1b8 2619#ifndef __attribute__malloc__
abb2c242 2620# define __attribute__malloc__
f22be1b8
JH
2621#endif
2622#ifndef __attribute__nonnull__
abb2c242 2623# define __attribute__nonnull__(a)
f22be1b8
JH
2624#endif
2625#ifndef __attribute__noreturn__
abb2c242 2626# define __attribute__noreturn__
f22be1b8
JH
2627#endif
2628#ifndef __attribute__pure__
abb2c242 2629# define __attribute__pure__
f22be1b8 2630#endif
0dbb1585
AL
2631#ifndef __attribute__unused__
2632# define __attribute__unused__
2633#endif
f22be1b8 2634#ifndef __attribute__warn_unused_result__
abb2c242
JH
2635# define __attribute__warn_unused_result__
2636#endif
2637
0dbb1585
AL
2638/* For functions that are marked as __attribute__noreturn__, it's not
2639 appropriate to call return. In either case, include the lint directive.
2640 */
2641#ifdef HASATTRIBUTE_NORETURN
2642# define NORETURN_FUNCTION_END /* NOT REACHED */
2643#else
2644# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2645#endif
2646
3fc1aec6
PP
2647/* Some unistd.h's give a prototype for pause() even though
2648 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2649 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2650*/
2651#ifdef HAS_PAUSE
2652#define Pause pause
2653#else
2654#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2655#endif
2656
2657#ifndef IOCPARM_LEN
2658# ifdef IOCPARM_MASK
2659 /* on BSDish systes we're safe */
2660# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2661# else
2662 /* otherwise guess at what's safe */
2663# define IOCPARM_LEN(x) 256
2664# endif
a0d0e21e
LW
2665#endif
2666
1761cee5 2667#if defined(__CYGWIN__)
521e0776
GS
2668/* USEMYBINMODE
2669 * This symbol, if defined, indicates that the program should
16fe6d59 2670 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2671 * that a file is in "binary" mode -- that is, that no translation
2672 * of bytes occurs on read or write operations.
2673 */
36894f0b 2674# define USEMYBINMODE /**/
77a40698 2675# include <io.h> /* for setmode() prototype */
16fe6d59 2676# define my_binmode(fp, iotype, mode) \
77a40698 2677 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2678#endif
2679
88d10794
JH
2680#ifdef __CYGWIN__
2681void init_os_extras(void);
2682#endif
2683
cea2e8a9
GS
2684#ifdef UNION_ANY_DEFINITION
2685UNION_ANY_DEFINITION;
2686#else
2687union any {
2688 void* any_ptr;
2689 I32 any_i32;
2690 IV any_iv;
2691 long any_long;
9febdf04 2692 bool any_bool;
c76ac1ee 2693 void (*any_dptr) (void*);
acfe0abc 2694 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2695};
2696#endif
2697
acfe0abc 2698typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2699
2700#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2701#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2702#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2703
c5078cac
JH
2704#if defined(_AIX) && !defined(_AIX43)
2705#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2706/* We cannot include <crypt.h> to get the struct crypt_data
2707 * because of setkey prototype problems when threading */
2708typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2709 /* From OSF, Not needed in AIX
2710 char C[28], D[28];
2711 */
2712 char E[48];
2713 char KS[16][48];
2714 char block[66];
2715 char iobuf[16];
2716} CRYPTD;
2717#endif /* threading */
2718#endif /* AIX */
2719
af8b425d 2720#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2721# include "iperlsys.h"
2722#endif
504f80c1 2723
d10dc2ae
JH
2724/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2725 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2726 * defined by Configure, despite their names being similar to the
2727 * other defines like USE_ITHREADS. Configure in fact knows nothing
2728 * about the randomised hashes. Therefore to enable/disable the hash
2729 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2730#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2731# define USE_HASH_SEED
504f80c1
JH
2732#endif
2733
378cc40b 2734#include "regexp.h"
79072805 2735#include "sv.h"
378cc40b 2736#include "util.h"
8d063cd8 2737#include "form.h"
79072805 2738#include "gv.h"
dd2155a4 2739#include "pad.h"
79072805 2740#include "cv.h"
abdd5c84 2741#include "opnames.h"
79072805
LW
2742#include "op.h"
2743#include "cop.h"
2744#include "av.h"
2745#include "hv.h"
2746#include "mg.h"
2747#include "scope.h"
4438c4b7 2748#include "warnings.h"
a0ed51b3 2749#include "utf8.h"
8d063cd8 2750
7fae4e64
GS
2751/* Current curly descriptor */
2752typedef struct curcur CURCUR;
2753struct curcur {
2754 int parenfloor; /* how far back to strip paren data */
2755 int cur; /* how many instances of scan we've matched */
2756 int min; /* the minimal number of scans to match */
2757 int max; /* the maximal number of scans to match */
2758 int minmod; /* whether to work our way up or down */
2759 regnode * scan; /* the thing to match */
2760 regnode * next; /* what has to match after it */
2761 char * lastloc; /* where we started matching this scan */
2762 CURCUR * oldcc; /* current curly before we started this one */
2763};
2764
2765typedef struct _sublex_info SUBLEXINFO;
2766struct _sublex_info {
2767 I32 super_state; /* lexer state to save */
2768 I32 sub_inwhat; /* "lex_inwhat" to use */
2769 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2770 char *super_bufptr; /* PL_bufptr that was */
2771 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2772};
2773
455ece5e 2774typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2775
2c2d71f5 2776struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2777struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2778
2779typedef I32 CHECKPOINT;
76e3520e 2780
5f7fde29
GS
2781struct ptr_tbl_ent {
2782 struct ptr_tbl_ent* next;
2783 void* oldval;
2784 void* newval;
d18c6117
GS
2785};
2786
5f7fde29
GS
2787struct ptr_tbl {
2788 struct ptr_tbl_ent** tbl_ary;
2789 UV tbl_max;
2790 UV tbl_items;
d18c6117
GS
2791};
2792
450a55e4 2793#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2794# define I286
2795#endif
2796
fe14fcc3
LW
2797#if defined(htonl) && !defined(HAS_HTONL)
2798#define HAS_HTONL
ae986130 2799#endif
fe14fcc3
LW
2800#if defined(htons) && !defined(HAS_HTONS)
2801#define HAS_HTONS
ae986130 2802#endif
fe14fcc3
LW
2803#if defined(ntohl) && !defined(HAS_NTOHL)
2804#define HAS_NTOHL
ae986130 2805#endif
fe14fcc3
LW
2806#if defined(ntohs) && !defined(HAS_NTOHS)
2807#define HAS_NTOHS
ae986130 2808#endif
fe14fcc3 2809#ifndef HAS_HTONL
d9d8d8de 2810#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2811#define HAS_HTONS
2812#define HAS_HTONL
2813#define HAS_NTOHS
2814#define HAS_NTOHL
a687059c
LW
2815#define MYSWAP
2816#define htons my_swap
2817#define htonl my_htonl
2818#define ntohs my_swap
2819#define ntohl my_ntohl
2820#endif
2821#else
d9d8d8de 2822#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2823#undef HAS_HTONS
2824#undef HAS_HTONL
2825#undef HAS_NTOHS
2826#undef HAS_NTOHL
a687059c
LW
2827#endif
2828#endif
2829
988174c1
LW
2830/*
2831 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2832 * -DWS
2833 */
2834#if BYTEORDER != 0x1234
2835# define HAS_VTOHL
2836# define HAS_VTOHS
2837# define HAS_HTOVL
2838# define HAS_HTOVS
c67712b2 2839# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2840# define vtohl(x) ((((x)&0xFF)<<24) \
2841 +(((x)>>24)&0xFF) \
2842 +(((x)&0x0000FF00)<<8) \
2843 +(((x)&0x00FF0000)>>8) )
2844# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2845# define htovl(x) vtohl(x)
2846# define htovs(x) vtohs(x)
2847# endif
2848 /* otherwise default to functions in util.c */
2a8c3029 2849#ifndef htovs
c623ac67
GS
2850short htovs(short n);
2851short vtohs(short n);
2852long htovl(long n);
2853long vtohl(long n);
988174c1 2854#endif
2a8c3029 2855#endif
988174c1 2856
3bb7c1b4
JH
2857/* *MAX Plus 1. A floating point value.
2858 Hopefully expressed in a way that dodgy floating point can't mess up.
2859 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2860 is added to it
2861 May find that some broken compiler will want the value cast to I32.
2862 [after the shift, as signed >> may not be as secure as unsigned >>]
2863*/
2864#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2865#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2866/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2867 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2868 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2869*/
2870#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2871
3bb7c1b4
JH
2872#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2873#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2874#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2875
2876/* This may look like unnecessary jumping through hoops, but converting
2877 out of range floating point values to integers *is* undefined behaviour,
2878 and it is starting to bite.
2879*/
2880#ifndef CAST_INLINE
65202027 2881#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2882#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2883#define I_V(what) (cast_iv((NV)(what)))
2884#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2885#else
2886#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2887 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2888 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2889#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2890 : ((n) < U32_MAX_P1 ? (U32) (n) \
2891 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2892#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2893 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2894 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2895#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2896 : ((n) < UV_MAX_P1 ? (UV) (n) \
2897 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2898#endif
2899
2900#define U_S(what) ((U16)U_32(what))
2901#define U_I(what) ((unsigned int)U_32(what))
2902#define U_L(what) U_32(what)
ed6116ce 2903
2d4389e4
JH
2904/* These do not care about the fractional part, only about the range. */
2905#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2906#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2907
25da4f38
IZ
2908/* Used with UV/IV arguments: */
2909 /* XXXX: need to speed it up */
2910#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2911#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2912
352d5a3a
LW
2913#ifndef MAXSYSFD
2914# define MAXSYSFD 2
2915#endif
ee0007ab 2916
79072805 2917#ifndef __cplusplus
27da23d5 2918#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2919Uid_t getuid (void);
2920Uid_t geteuid (void);
2921Gid_t getgid (void);
2922Gid_t getegid (void);
79072805 2923#endif
e1caacb4 2924#endif
8d063cd8 2925
0c30d9ec 2926#ifndef Perl_debug_log
bf49b057
GS
2927# define Perl_debug_log PerlIO_stderr()
2928#endif
2929
2930#ifndef Perl_error_log
2931# define Perl_error_log (PL_stderrgv \
6b78add2 2932 && isGV(PL_stderrgv) \
01bb7c6d 2933 && GvIOp(PL_stderrgv) \
42de951c 2934 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2935 ? IoOFP(GvIOp(PL_stderrgv)) \
2936 : PerlIO_stderr())
0c30d9ec 2937#endif
3967c732 2938
aea4f609
DM
2939
2940#define DEBUG_p_FLAG 0x00000001 /* 1 */
2941#define DEBUG_s_FLAG 0x00000002 /* 2 */
2942#define DEBUG_l_FLAG 0x00000004 /* 4 */
2943#define DEBUG_t_FLAG 0x00000008 /* 8 */
2944#define DEBUG_o_FLAG 0x00000010 /* 16 */
2945#define DEBUG_c_FLAG 0x00000020 /* 32 */
2946#define DEBUG_P_FLAG 0x00000040 /* 64 */
2947#define DEBUG_m_FLAG 0x00000080 /* 128 */
2948#define DEBUG_f_FLAG 0x00000100 /* 256 */
2949#define DEBUG_r_FLAG 0x00000200 /* 512 */
2950#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2951#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2952 /* spare */
aea4f609
DM
2953#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2954#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2955#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2956#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2957#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2958#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2959#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2960#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2961#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2962#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2963#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2964#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
2965
2966#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2967#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2968 that something was done? */
aea4f609 2969
bd16a5f0
IZ
2970# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2971# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2972# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2973# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2974# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2975# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2976# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2977# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2978# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2979# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2980# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2981# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2982# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2983# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2984# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2985# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2986# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2987# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2988# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2989# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2990# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
2991# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2992# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2993# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2994
3967c732 2995#ifdef DEBUGGING
aea4f609 2996
bd16a5f0
IZ
2997# define DEBUG_p_TEST DEBUG_p_TEST_
2998# define DEBUG_s_TEST DEBUG_s_TEST_
2999# define DEBUG_l_TEST DEBUG_l_TEST_
3000# define DEBUG_t_TEST DEBUG_t_TEST_
3001# define DEBUG_o_TEST DEBUG_o_TEST_
3002# define DEBUG_c_TEST DEBUG_c_TEST_
3003# define DEBUG_P_TEST DEBUG_P_TEST_
3004# define DEBUG_m_TEST DEBUG_m_TEST_
3005# define DEBUG_f_TEST DEBUG_f_TEST_
3006# define DEBUG_r_TEST DEBUG_r_TEST_
3007# define DEBUG_x_TEST DEBUG_x_TEST_
3008# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3009# define DEBUG_H_TEST DEBUG_H_TEST_
3010# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3011# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3012# define DEBUG_D_TEST DEBUG_D_TEST_
3013# define DEBUG_S_TEST DEBUG_S_TEST_
3014# define DEBUG_T_TEST DEBUG_T_TEST_
3015# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3016# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3017# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3018# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3019# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3020# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3021
488b0c7a
JH
3022# define PERL_DEB(a) a
3023# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3024# define DEBUG_p(a) if (DEBUG_p_TEST) a
3025# define DEBUG_s(a) if (DEBUG_s_TEST) a
3026# define DEBUG_l(a) if (DEBUG_l_TEST) a
3027# define DEBUG_t(a) if (DEBUG_t_TEST) a
3028# define DEBUG_o(a) if (DEBUG_o_TEST) a
3029# define DEBUG_c(a) if (DEBUG_c_TEST) a
3030# define DEBUG_P(a) if (DEBUG_P_TEST) a
3031
969058bb
VK
3032 /* Temporarily turn off memory debugging in case the a
3033 * does memory allocation, either directly or indirectly. */
acfe0abc 3034# define DEBUG_m(a) \
0b250b9e 3035 STMT_START { \
aea4f609 3036 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3037 } STMT_END
aea4f609 3038
5f80b19c
AMS
3039# define DEBUG__(t, a) \
3040 STMT_START { \
3041 if (t) STMT_START {a;} STMT_END; \
3042 } STMT_END
3043
3044# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3045# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3046# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3047# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3048# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3049# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3050# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3051# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3052
3db8f154 3053# define DEBUG_S(a)
aea4f609 3054
5f80b19c
AMS
3055# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3056# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3057# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3058# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3059# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3060# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3061
3062#else /* DEBUGGING */
3063
3064# define DEBUG_p_TEST (0)
3065# define DEBUG_s_TEST (0)
3066# define DEBUG_l_TEST (0)
3067# define DEBUG_t_TEST (0)
3068# define DEBUG_o_TEST (0)
3069# define DEBUG_c_TEST (0)
3070# define DEBUG_P_TEST (0)
3071# define DEBUG_m_TEST (0)
3072# define DEBUG_f_TEST (0)
3073# define DEBUG_r_TEST (0)
3074# define DEBUG_x_TEST (0)
3075# define DEBUG_u_TEST (0)
aea4f609
DM
3076# define DEBUG_H_TEST (0)
3077# define DEBUG_X_TEST (0)
dd2155a4 3078# define DEBUG_Xv_TEST (0)
aea4f609
DM
3079# define DEBUG_D_TEST (0)
3080# define DEBUG_S_TEST (0)
3081# define DEBUG_T_TEST (0)
04932ac8 3082# define DEBUG_R_TEST (0)
1045810a 3083# define DEBUG_J_TEST (0)
d6721266 3084# define DEBUG_v_TEST (0)
46187eeb 3085# define DEBUG_C_TEST (0)
ecae49c0
NC
3086# define DEBUG_A_TEST (0)
3087# define DEBUG_q_TEST (0)
aea4f609 3088
488b0c7a
JH
3089# define PERL_DEB(a)
3090# define PERL_DEBUG(a)
aea4f609
DM
3091# define DEBUG_p(a)
3092# define DEBUG_s(a)
3093# define DEBUG_l(a)
3094# define DEBUG_t(a)
3095# define DEBUG_o(a)
3096# define DEBUG_c(a)
3097# define DEBUG_P(a)
3098# define DEBUG_m(a)
3099# define DEBUG_f(a)
3100# define DEBUG_r(a)
3101# define DEBUG_x(a)
3102# define DEBUG_u(a)
aea4f609
DM
3103# define DEBUG_H(a)
3104# define DEBUG_X(a)
dd2155a4 3105# define DEBUG_Xv(a)
aea4f609
DM
3106# define DEBUG_D(a)
3107# define DEBUG_S(a)
3108# define DEBUG_T(a)
04932ac8 3109# define DEBUG_R(a)
d6721266 3110# define DEBUG_v(a)
46187eeb 3111# define DEBUG_C(a)
ecae49c0
NC
3112# define DEBUG_A(a)
3113# define DEBUG_q(a)
aea4f609
DM
3114#endif /* DEBUGGING */
3115
3116
b4ab917c
DM
3117#define DEBUG_SCOPE(where) \
3118 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3119 where, PL_scopestack_ix, __FILE__, __LINE__)));
3120
3121
3122
3123
d1be9408 3124/* These constants should be used in preference to raw characters
14befaf4
DM
3125 * when using magic. Note that some perl guts still assume
3126 * certain character properties of these constants, namely that
3127 * isUPPER() and toLOWER() may do useful mappings.
3128 *
3129 * Update the magic_names table in dump.c when adding/amending these
3130 */
3131
3132#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3133#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3134#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3135#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3136#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3137#define PERL_MAGIC_regdata 'D' /* Regex match position data
3138 (@+ and @- vars) */
3139#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3140#define PERL_MAGIC_env 'E' /* %ENV hash */
3141#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3142#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3143#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3144#define PERL_MAGIC_isa 'I' /* @ISA array */
3145#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3146#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3147#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3148#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3149#define PERL_MAGIC_mutex 'm' /* for lock op */
3150#define PERL_MAGIC_shared 'N' /* Shared between threads */
3151#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3152#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3153#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3154#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3155#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3156#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3157#define PERL_MAGIC_sig 'S' /* %SIG hash */
3158#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3159#define PERL_MAGIC_taint 't' /* Taintedness */
3160#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3161#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3162#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3163#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3164#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3165#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3166#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3167 smart parameter vivification */
3168#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3169#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3170#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3171#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3172#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3173#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
14befaf4
DM
3174#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3175
3176
a6e633de 3177#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3178#define assert(what) PERL_DEB( \
3179 ((what) ? ((void) 0) : \
3180 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
3181 __FILE__, __LINE__), \
3182 PerlProc_exit(1), \
3183 (void) 0)))
a446a88f 3184#endif
8d063cd8 3185
450a55e4 3186struct ufuncs {
24f81a43
DM
3187 I32 (*uf_val)(pTHX_ IV, SV*);
3188 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3189 IV uf_index;
450a55e4
LW
3190};
3191
14befaf4 3192/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3193 * XS code wanting to be backward compatible can do something
3194 * like the following:
c745e42c 3195
24f81a43 3196#ifndef PERL_MG_UFUNC
24f81a43
DM
3197#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3198#endif
3199
3200static PERL_MG_UFUNC(foo_get, index, val)
3201{
3202 sv_setsv(val, ...);
3203 return TRUE;
3204}
3205
3206-- Doug MacEachern
3207
3208*/
3209
fc9c74e6 3210#ifndef PERL_MG_UFUNC
24f81a43 3211#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3212#endif
24f81a43 3213
fe14fcc3 3214/* Fix these up for __STDC__ */
68dc0745 3215#ifndef DONT_DECLARE_STD
20ce7b12 3216char *mktemp (char*);
37bd1396 3217#ifndef atof
20ce7b12 3218double atof (const char*);
a0d0e21e 3219#endif
37bd1396 3220#endif
79072805 3221
352d5a3a 3222#ifndef STANDARD_C
fe14fcc3 3223/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3224Time_t time();
8d063cd8 3225struct tm *gmtime(), *localtime();
092bebab 3226#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3227char *(strchr)(), *(strrchr)();
3228char *(strcpy)(), *(strcat)();
3229#else
93a17b20 3230char *strchr(), *strrchr();
378cc40b 3231char *strcpy(), *strcat();
9d116dd7 3232#endif
352d5a3a 3233#endif /* ! STANDARD_C */
8d063cd8 3234
79072805
LW
3235
3236#ifdef I_MATH
3237# include <math.h>
3238#else
32f822de 3239START_EXTERN_C
20ce7b12
GS
3240 double exp (double);
3241 double log (double);
3242 double log10 (double);
3243 double sqrt (double);
3244 double frexp (double,int*);
3245 double ldexp (double,int);
3246 double modf (double,double*);
3247 double sin (double);
3248 double cos (double);
3249 double atan2 (double,double);
3250 double pow (double,double);
32f822de 3251END_EXTERN_C
79072805
LW
3252#endif
3253
aa8b85de
JH
3254#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3255# define NV_INF LDBL_INFINITY
3256#endif
3257#if !defined(NV_INF) && defined(DBL_INFINITY)
3258# define NV_INF (NV)DBL_INFINITY
3259#endif
3260#if !defined(NV_INF) && defined(INFINITY)
3261# define NV_INF (NV)INFINITY
3262#endif
3263#if !defined(NV_INF) && defined(INF)
3264# define NV_INF (NV)INF
3265#endif
3266#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3267# define NV_INF (NV)HUGE_VALL
3268#endif
3269#if !defined(NV_INF) && defined(HUGE_VAL)
3270# define NV_INF (NV)HUGE_VAL
3271#endif
3272
3273#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3274# if !defined(NV_NAN) && defined(LDBL_NAN)
3275# define NV_NAN LDBL_NAN
3276# endif
3277# if !defined(NV_NAN) && defined(LDBL_QNAN)
3278# define NV_NAN LDBL_QNAN
3279# endif
3280# if !defined(NV_NAN) && defined(LDBL_SNAN)
3281# define NV_NAN LDBL_SNAN
3282# endif
3283#endif
3284#if !defined(NV_NAN) && defined(DBL_NAN)
3285# define NV_NAN (NV)DBL_NAN
3286#endif
3287#if !defined(NV_NAN) && defined(DBL_QNAN)
3288# define NV_NAN (NV)DBL_QNAN
3289#endif
3290#if !defined(NV_NAN) && defined(DBL_SNAN)
3291# define NV_NAN (NV)DBL_SNAN
3292#endif
3293#if !defined(NV_NAN) && defined(QNAN)
3294# define NV_NAN (NV)QNAN
3295#endif
3296#if !defined(NV_NAN) && defined(SNAN)
3297# define NV_NAN (NV)SNAN
3298#endif
3299#if !defined(NV_NAN) && defined(NAN)
3300# define NV_NAN (NV)NAN
3301#endif
3302
a0d0e21e 3303#ifndef __cplusplus
8f1f23e8 3304# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3305char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3306# else
fd8cd3a3 3307# if !defined(WIN32) && !defined(VMS)
10bc17b6 3308#ifndef crypt
20ce7b12 3309char *crypt (const char*, const char*);
10bc17b6 3310#endif
5014db98 3311# endif /* !WIN32 */
8f1f23e8 3312# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3313# ifndef DONT_DECLARE_STD
3314# ifndef getenv
20ce7b12 3315char *getenv (const char*);
26618a56 3316# endif /* !getenv */
28ca6303 3317# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3318# ifdef _FILE_OFFSET_BITS
28ca6303 3319# if _FILE_OFFSET_BITS == 64
20ce7b12 3320Off_t lseek (int,Off_t,int);
0fc67700
JH
3321# endif
3322# endif
bf0c440f 3323# endif
26618a56 3324# endif /* !DONT_DECLARE_STD */
10bc17b6 3325#ifndef getlogin
20ce7b12 3326char *getlogin (void);
10bc17b6 3327#endif
26618a56 3328#endif /* !__cplusplus */
79072805 3329
16d20bd9 3330#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3331#define UNLINK unlnk
20ce7b12 3332I32 unlnk (char*);
8d063cd8 3333#else
80252599 3334#define UNLINK PerlLIO_unlink
8d063cd8 3335#endif
a687059c 3336
fa0a29af
JH
3337/* some versions of glibc are missing the setresuid() proto */
3338#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3339int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3340#endif
fa0a29af
JH
3341/* some versions of glibc are missing the setresgid() proto */
3342#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3343int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3344#endif
3345
fe14fcc3 3346#ifndef HAS_SETREUID
85e6fe83
LW
3347# ifdef HAS_SETRESUID
3348# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3349# define HAS_SETREUID
3350# endif
a687059c 3351#endif
fe14fcc3 3352#ifndef HAS_SETREGID
85e6fe83
LW
3353# ifdef HAS_SETRESGID
3354# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3355# define HAS_SETREGID
3356# endif
a687059c 3357#endif
ee0007ab 3358
d543acb6 3359/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
3360
3361#ifdef HAS_SIGACTION
3362typedef struct sigaction Sigsave_t;
3363#else
3364typedef Sighandler_t Sigsave_t;
3365#endif
3366
ee0007ab
LW
3367#define SCAN_DEF 0
3368#define SCAN_TR 1
3369#define SCAN_REPL 2
79072805
LW
3370
3371#ifdef DEBUGGING
4633a7c4 3372# ifndef register
a0d0e21e
LW
3373# define register
3374# endif
cea2e8a9 3375# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3376#else
cea2e8a9 3377# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3378#endif
3379
18f739ee 3380#ifdef MYMALLOC
772fe5b3 3381# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3382# define MALLOC_INIT \
3383 STMT_START { \
3384 PL_malloc_mutex = NULL; \
3385 MUTEX_INIT(&PL_malloc_mutex); \
3386 } STMT_END
3387# define MALLOC_TERM \
3388 STMT_START { \
3389 perl_mutex tmp = PL_malloc_mutex; \
3390 PL_malloc_mutex = NULL; \
3391 MUTEX_DESTROY(&tmp); \
3392 } STMT_END
3393# else
3394# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3395# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3396# endif
18f739ee
IZ
3397#else
3398# define MALLOC_INIT
3399# define MALLOC_TERM
3400#endif
3401
b6d9d515 3402
0cb96387 3403typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3404typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3405typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3406typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3407
940cb80d 3408/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3409#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3410
8f1f23e8
W
3411/* NeXT has problems with crt0.o globals */
3412#if defined(__DYNAMIC__) && \
6239f2da 3413 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3414# if defined(NeXT) || defined(__NeXT)
3415# include <mach-o/dyld.h>
3416# define environ (*environ_pointer)
0c30d9ec 3417EXT char *** environ_pointer;
8f1f23e8 3418# else
6239f2da 3419# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3420# include <crt_externs.h> /* for the env array */
3421# define environ (*_NSGetEnviron())
3422# endif
0c30d9ec 3423# endif
8f1f23e8
W
3424#else
3425 /* VMS and some other platforms don't use the environ array */
13b6e58c 3426# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3427# if !defined(DONT_DECLARE_STD) || \
3428 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3429 defined(__sgi) || \
d460ef45 3430 defined(__DGUX)
8f1f23e8 3431extern char ** environ; /* environment variables supplied via exec */
a6c40364 3432# endif
8f1f23e8
W
3433# endif
3434#endif
79072805 3435
73c4f7a1
GS
3436START_EXTERN_C
3437
79072805 3438/* handy constants */
22c35a8c 3439EXTCONST char PL_warn_uninit[]
29489e7c 3440 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3441EXTCONST char PL_warn_nosemi[]
463ee0b2 3442 INIT("Semicolon seems to be missing");
22c35a8c 3443EXTCONST char PL_warn_reserved[]
463ee0b2 3444 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3445EXTCONST char PL_warn_nl[]
93a17b20 3446 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3447EXTCONST char PL_no_wrongref[]
a0d0e21e 3448 INIT("Can't use %s ref as %s ref");
22c35a8c 3449EXTCONST char PL_no_symref[]
748a9306 3450 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3451EXTCONST char PL_no_symref_sv[]
014ead4b 3452 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3453EXTCONST char PL_no_usym[]
8990e307 3454 INIT("Can't use an undefined value as %s reference");
22c35a8c 3455EXTCONST char PL_no_aelem[]
93a17b20 3456 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3457EXTCONST char PL_no_helem_sv[]
3458 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3459EXTCONST char PL_no_modify[]
93a17b20 3460 INIT("Modification of a read-only value attempted");
22c35a8c 3461EXTCONST char PL_no_mem[]
93a17b20 3462 INIT("Out of memory!\n");
22c35a8c 3463EXTCONST char PL_no_security[]
463ee0b2 3464 INIT("Insecure dependency in %s%s");
22c35a8c 3465EXTCONST char PL_no_sock_func[]
93a17b20 3466 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3467EXTCONST char PL_no_dir_func[]
93a17b20 3468 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3469EXTCONST char PL_no_func[]
93a17b20 3470 INIT("The %s function is unimplemented");
22c35a8c 3471EXTCONST char PL_no_myglob[]
748a9306 3472 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3473EXTCONST char PL_no_localize_ref[]
3474 INIT("Can't localize through a reference");
27d5b266
JH
3475#ifdef PERL_MALLOC_WRAP
3476EXTCONST char PL_memory_wrap[]
3477 INIT("panic: memory wrap");
3478#endif
93a17b20 3479
7575fa06 3480EXTCONST char PL_uuemap[65]
80252599
GS
3481 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3482
3483
79072805 3484#ifdef DOINIT
27da23d5
JH
3485EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3486EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3487#else
27da23d5
JH
3488EXTCONST char* const PL_sig_name[];
3489EXTCONST int PL_sig_num[];
79072805
LW
3490#endif
3491
3bd709b1 3492/* fast conversion and case folding tables */
bbce6d69 3493
79072805 3494#ifdef DOINIT
9d116dd7 3495#ifdef EBCDIC
27da23d5 3496EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3497 0, 1, 2, 3, 4, 5, 6, 7,
3498 8, 9, 10, 11, 12, 13, 14, 15,
3499 16, 17, 18, 19, 20, 21, 22, 23,
3500 24, 25, 26, 27, 28, 29, 30, 31,
3501 32, 33, 34, 35, 36, 37, 38, 39,
3502 40, 41, 42, 43, 44, 45, 46, 47,
3503 48, 49, 50, 51, 52, 53, 54, 55,
3504 56, 57, 58, 59, 60, 61, 62, 63,
3505 64, 65, 66, 67, 68, 69, 70, 71,
3506 72, 73, 74, 75, 76, 77, 78, 79,
3507 80, 81, 82, 83, 84, 85, 86, 87,
3508 88, 89, 90, 91, 92, 93, 94, 95,
3509 96, 97, 98, 99, 100, 101, 102, 103,
3510 104, 105, 106, 107, 108, 109, 110, 111,
3511 112, 113, 114, 115, 116, 117, 118, 119,
3512 120, 121, 122, 123, 124, 125, 126, 127,
3513 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3514 'H', 'I', 138, 139, 140, 141, 142, 143,
3515 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3516 'Q', 'R', 154, 155, 156, 157, 158, 159,
3517 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3518 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3519 176, 177, 178, 179, 180, 181, 182, 183,
3520 184, 185, 186, 187, 188, 189, 190, 191,
3521 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3522 'h', 'i', 202, 203, 204, 205, 206, 207,
3523 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3524 'q', 'r', 218, 219, 220, 221, 222, 223,
3525 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3526 'y', 'z', 234, 235, 236, 237, 238, 239,
3527 240, 241, 242, 243, 244, 245, 246, 247,
3528 248, 249, 250, 251, 252, 253, 254, 255
3529};
3530#else /* ascii rather than ebcdic */
22c35a8c 3531EXTCONST unsigned char PL_fold[] = {
79072805
LW
3532 0, 1, 2, 3, 4, 5, 6, 7,
3533 8, 9, 10, 11, 12, 13, 14, 15,
3534 16, 17, 18, 19, 20, 21, 22, 23,
3535 24, 25, 26, 27, 28, 29, 30, 31,
3536 32, 33, 34, 35, 36, 37, 38, 39,
3537 40, 41, 42, 43, 44, 45, 46, 47,
3538 48, 49, 50, 51, 52, 53, 54, 55,
3539 56, 57, 58, 59, 60, 61, 62, 63,
3540 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3541 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3542 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3543 'x', 'y', 'z', 91, 92, 93, 94, 95,
3544 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3545 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3546 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3547 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3548 128, 129, 130, 131, 132, 133, 134, 135,
3549 136, 137, 138, 139, 140, 141, 142, 143,
3550 144, 145, 146, 147, 148, 149, 150, 151,
3551 152, 153, 154, 155, 156, 157, 158, 159,
3552 160, 161, 162, 163, 164, 165, 166, 167,
3553 168, 169, 170, 171, 172, 173, 174, 175,
3554 176, 177, 178, 179, 180, 181, 182, 183,
3555 184, 185, 186, 187, 188, 189, 190, 191,
3556 192, 193, 194, 195, 196, 197, 198, 199,
3557 200, 201, 202, 203, 204, 205, 206, 207,
3558 208, 209, 210, 211, 212, 213, 214, 215,
3559 216, 217, 218, 219, 220, 221, 222, 223,
3560 224, 225, 226, 227, 228, 229, 230, 231,
3561 232, 233, 234, 235, 236, 237, 238, 239,
3562 240, 241, 242, 243, 244, 245, 246, 247,
3563 248, 249, 250, 251, 252, 253, 254, 255
3564};
9d116dd7 3565#endif /* !EBCDIC */
79072805 3566#else
22c35a8c 3567EXTCONST unsigned char PL_fold[];
79072805
LW
3568#endif
3569
27da23d5 3570#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3571#ifdef DOINIT
27da23d5 3572EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3573 0, 1, 2, 3, 4, 5, 6, 7,
3574 8, 9, 10, 11, 12, 13, 14, 15,
3575 16, 17, 18, 19, 20, 21, 22, 23,
3576 24, 25, 26, 27, 28, 29, 30, 31,
3577 32, 33, 34, 35, 36, 37, 38, 39,
3578 40, 41, 42, 43, 44, 45, 46, 47,
3579 48, 49, 50, 51, 52, 53, 54, 55,
3580 56, 57, 58, 59, 60, 61, 62, 63,
3581 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3582 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3583 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3584 'x', 'y', 'z', 91, 92, 93, 94, 95,
3585 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3586 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3587 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3588 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3589 128, 129, 130, 131, 132, 133, 134, 135,
3590 136, 137, 138, 139, 140, 141, 142, 143,
3591 144, 145, 146, 147, 148, 149, 150, 151,
3592 152, 153, 154, 155, 156, 157, 158, 159,
3593 160, 161, 162, 163, 164, 165, 166, 167,
3594 168, 169, 170, 171, 172, 173, 174, 175,
3595 176, 177, 178, 179, 180, 181, 182, 183,
3596 184, 185, 186, 187, 188, 189, 190, 191,
3597 192, 193, 194, 195, 196, 197, 198, 199,
3598 200, 201, 202, 203, 204, 205, 206, 207,
3599 208, 209, 210, 211, 212, 213, 214, 215,
3600 216, 217, 218, 219, 220, 221, 222, 223,
3601 224, 225, 226, 227, 228, 229, 230, 231,
3602 232, 233, 234, 235, 236, 237, 238, 239,
3603 240, 241, 242, 243, 244, 245, 246, 247,
3604 248, 249, 250, 251, 252, 253, 254, 255
3605};
3606#else
27da23d5 3607EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3608#endif
27da23d5 3609#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3610
3611#ifdef DOINIT
9d116dd7 3612#ifdef EBCDIC
27da23d5 3613EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3614 1, 2, 84, 151, 154, 155, 156, 157,
3615 165, 246, 250, 3, 158, 7, 18, 29,
3616 40, 51, 62, 73, 85, 96, 107, 118,
3617 129, 140, 147, 148, 149, 150, 152, 153,
3618 255, 6, 8, 9, 10, 11, 12, 13,
3619 14, 15, 24, 25, 26, 27, 28, 226,
3620 29, 30, 31, 32, 33, 43, 44, 45,
3621 46, 47, 48, 49, 50, 76, 77, 78,
3622 79, 80, 81, 82, 83, 84, 85, 86,
3623 87, 94, 95, 234, 181, 233, 187, 190,
3624 180, 96, 97, 98, 99, 100, 101, 102,
3625 104, 112, 182, 174, 236, 232, 229, 103,
3626 228, 226, 114, 115, 116, 117, 118, 119,
3627 120, 121, 122, 235, 176, 230, 194, 162,
3628 130, 131, 132, 133, 134, 135, 136, 137,
3629 138, 139, 201, 205, 163, 217, 220, 224,
3630 5, 248, 227, 244, 242, 255, 241, 231,
3631 240, 253, 16, 197, 19, 20, 21, 187,
3632 23, 169, 210, 245, 237, 249, 247, 239,
3633 168, 252, 34, 196, 36, 37, 38, 39,
3634 41, 42, 251, 254, 238, 223, 221, 213,
3635 225, 177, 52, 53, 54, 55, 56, 57,
3636 58, 59, 60, 61, 63, 64, 65, 66,
3637 67, 68, 69, 70, 71, 72, 74, 75,
3638 205, 208, 186, 202, 200, 218, 198, 179,
3639 178, 214, 88, 89, 90, 91, 92, 93,
3640 217, 166, 170, 207, 199, 209, 206, 204,
3641 160, 212, 105, 106, 108, 109, 110, 111,
3642 203, 113, 216, 215, 192, 175, 193, 243,
3643 172, 161, 123, 124, 125, 126, 127, 128,
3644 222, 219, 211, 195, 188, 193, 185, 184,
3645 191, 183, 141, 142, 143, 144, 145, 146
3646};
3647#else /* ascii rather than ebcdic */
22c35a8c 3648EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3649 1, 2, 84, 151, 154, 155, 156, 157,
3650 165, 246, 250, 3, 158, 7, 18, 29,
3651 40, 51, 62, 73, 85, 96, 107, 118,
3652 129, 140, 147, 148, 149, 150, 152, 153,
3653 255, 182, 224, 205, 174, 176, 180, 217,
3654 233, 232, 236, 187, 235, 228, 234, 226,
3655 222, 219, 211, 195, 188, 193, 185, 184,
3656 191, 183, 201, 229, 181, 220, 194, 162,
3657 163, 208, 186, 202, 200, 218, 198, 179,
3658 178, 214, 166, 170, 207, 199, 209, 206,
3659 204, 160, 212, 216, 215, 192, 175, 173,
3660 243, 172, 161, 190, 203, 189, 164, 230,
3661 167, 248, 227, 244, 242, 255, 241, 231,
3662 240, 253, 169, 210, 245, 237, 249, 247,
3663 239, 168, 252, 251, 254, 238, 223, 221,
3664 213, 225, 177, 197, 171, 196, 159, 4,
3665 5, 6, 8, 9, 10, 11, 12, 13,
3666 14, 15, 16, 17, 19, 20, 21, 22,
3667 23, 24, 25, 26, 27, 28, 30, 31,
3668 32, 33, 34, 35, 36, 37, 38, 39,
3669 41, 42, 43, 44, 45, 46, 47, 48,
3670 49, 50, 52, 53, 54, 55, 56, 57,
3671 58, 59, 60, 61, 63, 64, 65, 66,
3672 67, 68, 69, 70, 71, 72, 74, 75,
3673 76, 77, 78, 79, 80, 81, 82, 83,
3674 86, 87, 88, 89, 90, 91, 92, 93,
3675 94, 95, 97, 98, 99, 100, 101, 102,
3676 103, 104, 105, 106, 108, 109, 110, 111,
3677 112, 113, 114, 115, 116, 117, 119, 120,
3678 121, 122, 123, 124, 125, 126, 127, 128,
3679 130, 131, 132, 133, 134, 135, 136, 137,
3680 138, 139, 141, 142, 143, 144, 145, 146
3681};
9d116dd7 3682#endif
79072805 3683#else
22c35a8c 3684EXTCONST unsigned char PL_freq[];
79072805
LW
3685#endif
3686
8990e307
LW
3687#ifdef DEBUGGING
3688#ifdef DOINIT
27da23d5 3689EXTCONST char* const PL_block_type[] = {
8990e307
LW
3690 "NULL",
3691 "SUB",
3692 "EVAL",
3693 "LOOP",
3694 "SUBST",
3695 "BLOCK",
3696};
3697#else
22c35a8c 3698EXTCONST char* PL_block_type[];
8990e307
LW
3699#endif
3700#endif
3701
73c4f7a1
GS
3702END_EXTERN_C
3703
79072805
LW
3704/*****************************************************************************/
3705/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3706/*****************************************************************************/
8990e307 3707/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3708
d4c3c482 3709#ifdef __Lynx__
9cffb111
OS
3710/* LynxOS defines these in scsi.h which is included via ioctl.h */
3711#ifdef FORMAT
3712#undef FORMAT
3713#endif
3714#ifdef SPACE
3715#undef SPACE
3716#endif
d4c3c482 3717#endif
9cffb111 3718
1fd33325
MHM
3719/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3720 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3721 * it's not really needed.
3722 */
3723#if defined(WIN32)
3724# define YYTOKENTYPE
3725#endif
a0d0e21e
LW
3726#include "perly.h"
3727
fb73857a
PP
3728#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3729
79072805
LW
3730typedef enum {
3731 XOPERATOR,
3732 XTERM,
79072805 3733 XREF,
8990e307 3734 XSTATE,
a0d0e21e 3735 XBLOCK,
09bef843
SB
3736 XATTRBLOCK,
3737 XATTRTERM,
6f33ba73
RGS
3738 XTERMBLOCK,
3739 XTERMORDORDOR /* evil hack */
27308ded 3740 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3741} expectation;
3742
dc9e4912
GS
3743enum { /* pass one of these to get_vtbl */
3744 want_vtbl_sv,
3745 want_vtbl_env,
3746 want_vtbl_envelem,
3747 want_vtbl_sig,
3748 want_vtbl_sigelem,
3749 want_vtbl_pack,
3750 want_vtbl_packelem,
3751 want_vtbl_dbline,
3752 want_vtbl_isa,
3753 want_vtbl_isaelem,
3754 want_vtbl_arylen,
3755 want_vtbl_glob,
3756 want_vtbl_mglob,
3757 want_vtbl_nkeys,
3758 want_vtbl_taint,
3759 want_vtbl_substr,
3760 want_vtbl_vec,
3761 want_vtbl_pos,
3762 want_vtbl_bm,
3763 want_vtbl_fm,
3764 want_vtbl_uvar,
3765 want_vtbl_defelem,
3766 want_vtbl_regexp,
3767 want_vtbl_collxfrm,
3768 want_vtbl_amagic,
3769 want_vtbl_amagicelem,
dc9e4912 3770 want_vtbl_regdata,
810b8aa5 3771 want_vtbl_regdatum,
7e8c5dac 3772 want_vtbl_backref,
8d2f4536
NC
3773 want_vtbl_utf8,
3774 want_vtbl_symtab
dc9e4912
GS
3775};
3776
85e6fe83
LW
3777 /* Note: the lowest 8 bits are reserved for
3778 stuffing into op->op_private */
f3aa04c2 3779#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3780#define HINT_INTEGER 0x00000001 /* integer pragma */
3781#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3782#define HINT_LOCALE 0x00000004 /* locale pragma */
3783#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3784/* #define HINT_notused10 0x00000010 */
a0ed51b3 3785 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3786 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3787
3788#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3789#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3790#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3791
9cfe5470 3792/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3793#define HINT_NEW_INTEGER 0x00001000
3794#define HINT_NEW_FLOAT 0x00002000
3795#define HINT_NEW_BINARY 0x00004000
3796#define HINT_NEW_STRING 0x00008000
3797#define HINT_NEW_RE 0x00010000
3798#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3799
9cfe5470
RGS
3800#define HINT_RE_TAINT 0x00100000 /* re pragma */
3801#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3802
9cfe5470
RGS
3803#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3804#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3805
8fa7688f 3806/* assertions pragma */
06492da6 3807#define HINT_ASSERTING 0x01000000
8fa7688f 3808#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3809
9cfe5470 3810/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH
3811#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3812#define HINT_SORT_QUICKSORT 0x00000001
3813#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3814#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3815
8bfdd7d9 3816/* Various states of the input record separator SV (rs) */
d4cce5f1 3817#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3818#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3819#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))