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Make the __attribute__ stuff work with Symbian (Jarkko).
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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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LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
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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)
6f4183fe
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58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
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66#endif
67
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68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
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79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
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85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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109# define USE_REENTRANT_API
110#endif
111
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112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
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115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
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125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
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148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
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151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
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153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
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166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
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169# define pTHX_5 6
170# define pTHX_6 7
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171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
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174#endif
175
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176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
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181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
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186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
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193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
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201#ifndef PERL_UNUSED_DECL
202# define PERL_UNUSED_DECL __attribute__unused__
203#endif
204
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205/* gcc -Wall:
206 * for silencing unused variables that are actually used most of the time,
207 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
208 */
a3b680e6 209#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 210
0cb96387 211#define NOOP (void)0
44dbb695 212#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 213
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214#ifndef pTHX
215# define pTHX void
216# define pTHX_
0cb96387
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217# define aTHX
218# define aTHX_
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219# define dTHXa(a) dNOOP
220# define dTHX dNOOP
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221# define pTHX_1 1
222# define pTHX_2 2
223# define pTHX_3 3
224# define pTHX_4 4
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225# define pTHX_5 5
226# define pTHX_6 6
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227# define pTHX_7 7
228# define pTHX_8 8
229# define pTHX_9 9
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230#endif
231
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232#ifndef dVAR
233# define dVAR dNOOP
234#endif
235
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236/* these are only defined for compatibility; should not be used internally */
237#if !defined(pTHXo) && !defined(PERL_CORE)
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238# define pTHXo pTHX
239# define pTHXo_ pTHX_
0cb96387
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240# define aTHXo aTHX
241# define aTHXo_ aTHX_
c5be433b 242# define dTHXo dTHX
71d280e3 243# define dTHXoa(x) dTHXa(x)
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244#endif
245
246#ifndef pTHXx
247# define pTHXx register PerlInterpreter *my_perl
248# define pTHXx_ pTHXx,
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249# define aTHXx my_perl
250# define aTHXx_ aTHXx,
c5be433b 251# define dTHXx dTHX
22c35a8c 252#endif
71be2cbc 253
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254/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
255 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
256 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
257#ifdef PERL_IMPLICIT_SYS
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258# ifdef PERL_GLOBAL_STRUCT_PRIVATE
259# define dTHXs dVAR; dTHX
260# else
261# define dTHXs dTHX
262# endif
1de7c2ac 263#else
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264# ifdef PERL_GLOBAL_STRUCT_PRIVATE
265# define dTHXs dVAR
266# else
267# define dTHXs dNOOP
268# endif
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269#endif
270
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271#undef START_EXTERN_C
272#undef END_EXTERN_C
273#undef EXTERN_C
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274#ifdef __cplusplus
275# define START_EXTERN_C extern "C" {
276# define END_EXTERN_C }
277# define EXTERN_C extern "C"
278#else
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279# define START_EXTERN_C
280# define END_EXTERN_C
73c4f7a1 281# define EXTERN_C extern
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282#endif
283
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284/* Some platforms require marking function declarations
285 * for them to be exportable. Used in perlio.h, proto.h
286 * is handled either by the makedef.pl or by defining the
287 * PERL_CALLCONV to be something special. See also the
288 * definition of XS() in XSUB.h. */
289#ifndef PERL_EXPORT_C
290# define PERL_EXPORT_C extern
291#endif
292#ifndef PERL_XS_EXPORT_C
293# define PERL_XS_EXPORT_C
294#endif
295
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296#ifdef OP_IN_REGISTER
297# ifdef __GNUC__
298# define stringify_immed(s) #s
299# define stringify(s) stringify_immed(s)
d1ca3daa 300register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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301# endif
302#endif
303
5dc8bdac 304#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
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305# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
306# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
307# endif
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308#endif
309
728e2803 310/*
311 * STMT_START { statements; } STMT_END;
312 * can be used as a single statement, as in
313 * if (x) STMT_START { ... } STMT_END; else ...
314 *
315 * Trying to select a version that gives no warnings...
316 */
317#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 318# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 319# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
320# define STMT_END )
321# else
322 /* Now which other defined()s do we need here ??? */
93189314 323# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 324# define STMT_START if (1)
325# define STMT_END else (void)0
326# else
327# define STMT_START do
328# define STMT_END while (0)
329# endif
330# endif
331#endif
332
0cb96387 333#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 334#define WITH_THR(s) WITH_THX(s)
ea0efc06 335
55497cff 336/*
337 * SOFT_CAST can be used for args to prototyped functions to retain some
338 * type checking; it only casts if the compiler does not know prototypes.
339 */
340#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
341#define SOFT_CAST(type)
342#else
343#define SOFT_CAST(type) (type)
344#endif
79072805 345
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346#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
347# define BYTEORDER 0x1234
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348#endif
349
350/* Overall memory policy? */
351#ifndef CONSERVATIVE
352# define LIBERAL 1
353#endif
354
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355#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
356#define ASCIIish
357#else
358#undef ASCIIish
359#endif
360
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361/*
362 * The following contortions are brought to you on behalf of all the
363 * standards, semi-standards, de facto standards, not-so-de-facto standards
364 * of the world, as well as all the other botches anyone ever thought of.
365 * The basic theory is that if we work hard enough here, the rest of the
366 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
367 */
ac58e20f 368
ee0007ab 369/* define this once if either system, instead of cluttering up the src */
2986a63f 370#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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LW
371#define DOSISH 1
372#endif
373
27da23d5 374#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
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375# define STANDARD_C 1
376#endif
377
a03dbf46 378#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 379# define DONT_DECLARE_STD 1
380#endif
381
352d5a3a 382#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 383# ifdef __cplusplus
cb69f87a 384# define VOL /* to temporarily suppress warnings */
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385# else
386# define VOL volatile
387# endif
663a0e37 388#else
79072805 389# define VOL
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390#endif
391
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392#define TAINT (PL_tainted = TRUE)
393#define TAINT_NOT (PL_tainted = FALSE)
394#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
395#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 396#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 397
d460ef45 398/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 399 defines move there? If so, I could simplify this a lot. --AD 9/96.
400*/
401/* Process group stuff changed from traditional BSD to POSIX.
402 perlfunc.pod documents the traditional BSD-style syntax, so we'll
403 try to preserve that, if possible.
404*/
405#ifdef HAS_SETPGID
406# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 407#else
a6e633de 408# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
409# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
410# else
411# ifdef HAS_SETPGRP2 /* DG/UX */
412# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
413# endif
414# endif
415#endif
416#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
417# define HAS_SETPGRP /* Well, effectively it does . . . */
418#endif
419
420/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
421 our life easier :-) so we'll try it.
422*/
423#ifdef HAS_GETPGID
424# define BSD_GETPGRP(pid) getpgid((pid))
425#else
426# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
427# define BSD_GETPGRP(pid) getpgrp((pid))
428# else
429# ifdef HAS_GETPGRP2 /* DG/UX */
430# define BSD_GETPGRP(pid) getpgrp2((pid))
431# endif
432# endif
433#endif
434#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
435# define HAS_GETPGRP /* Well, effectively it does . . . */
436#endif
437
d460ef45 438/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 439 have different behaviors, but perl.h used to define USE_BSDPGRP
440 (prior to 5.003_05) so some extension might depend on it.
441*/
442#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
443# ifndef USE_BSDPGRP
444# define USE_BSDPGRP
445# endif
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446#endif
447
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448/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
449 pthread.h must be included before all other header files.
450*/
3db8f154 451#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
452# include <pthread.h>
453#endif
454
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455#ifndef _TYPES_ /* If types.h defines this it's easy. */
456# ifndef major /* Does everyone's types.h define this? */
457# include <sys/types.h>
c07a80fd 458# endif
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459#endif
460
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461#ifdef __cplusplus
462# ifndef I_STDARG
463# define I_STDARG 1
464# endif
465#endif
466
467#ifdef I_STDARG
468# include <stdarg.h>
469#else
470# ifdef I_VARARGS
471# include <varargs.h>
472# endif
473#endif
474
4633a7c4 475#ifdef USE_NEXT_CTYPE
0c30d9ec 476
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JH
477#if NX_CURRENT_COMPILER_RELEASE >= 500
478# include <bsd/ctypes.h>
479#else
480# if NX_CURRENT_COMPILER_RELEASE >= 400
481# include <objc/NXCType.h>
482# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
483# include <appkit/NXCType.h>
484# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
485#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 486
487#else /* !USE_NEXT_CTYPE */
fe14fcc3 488#include <ctype.h>
0c30d9ec 489#endif /* USE_NEXT_CTYPE */
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490
491#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
492#undef METHOD
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493#endif
494
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JH
495#ifdef PERL_MICRO
496# define NO_LOCALE
497#endif
498
4633a7c4 499#ifdef I_LOCALE
36477c24 500# include <locale.h>
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LW
501#endif
502
36477c24 503#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
504# define USE_LOCALE
505# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
506 && defined(HAS_STRXFRM)
507# define USE_LOCALE_COLLATE
508# endif
509# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
510# define USE_LOCALE_CTYPE
511# endif
512# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
513# define USE_LOCALE_NUMERIC
514# endif
515#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 516
fe14fcc3 517#include <setjmp.h>
79072805 518
a0d0e21e 519#ifdef I_SYS_PARAM
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520# ifdef PARAM_NEEDS_TYPES
521# include <sys/types.h>
522# endif
523# include <sys/param.h>
352d5a3a 524#endif
79072805 525
79072805 526/* Use all the "standard" definitions? */
a0d0e21e 527#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 528# include <stdlib.h>
ff68c719 529#endif
03a14243 530
3f270f98
JH
531/* If this causes problems, set i_unistd=undef in the hint file. */
532#ifdef I_UNISTD
533# include <unistd.h>
534#endif
535
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JH
536#ifdef SYMBIAN
537# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
538#endif
539
7114a2d2 540#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH
541int syscall(int, ...);
542#endif
543
7114a2d2 544#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 545int usleep(unsigned int);
2ef53570
JH
546#endif
547
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548#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
549# define MYSWAP
550#endif
551
1109a392
MHM
552#ifdef PERL_CORE
553
554/* macros for correct constant construction */
555# if INTSIZE >= 2
556# define U16_CONST(x) ((U16)x##U)
557# else
558# define U16_CONST(x) ((U16)x##UL)
559# endif
560
561# if INTSIZE >= 4
562# define U32_CONST(x) ((U32)x##U)
563# else
564# define U32_CONST(x) ((U32)x##UL)
565# endif
566
567# ifdef HAS_QUAD
568# if INTSIZE >= 8
569# define U64_CONST(x) ((U64)x##U)
570# elif LONGSIZE >= 8
571# define U64_CONST(x) ((U64)x##UL)
572# elif QUADKIND == QUAD_IS_LONG_LONG
573# define U64_CONST(x) ((U64)x##ULL)
574# else /* best guess we can make */
575# define U64_CONST(x) ((U64)x##UL)
576# endif
577# endif
578
579/* byte-swapping functions for big-/little-endian conversion */
580# define _swab_16_(x) ((U16)( \
581 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
582 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
583
584# define _swab_32_(x) ((U32)( \
585 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
586 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
587 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
588 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
589
590# ifdef HAS_QUAD
591# define _swab_64_(x) ((U64)( \
592 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
593 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
594 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
595 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
596 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
597 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
598 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
599 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
600# endif
601
602/*----------------------------------------------------------------------------*/
603# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
604/*----------------------------------------------------------------------------*/
605# define my_htole16(x) (x)
606# define my_letoh16(x) (x)
607# define my_htole32(x) (x)
608# define my_letoh32(x) (x)
609# define my_htobe16(x) _swab_16_(x)
610# define my_betoh16(x) _swab_16_(x)
611# define my_htobe32(x) _swab_32_(x)
612# define my_betoh32(x) _swab_32_(x)
613# ifdef HAS_QUAD
614# define my_htole64(x) (x)
615# define my_letoh64(x) (x)
616# define my_htobe64(x) _swab_64_(x)
617# define my_betoh64(x) _swab_64_(x)
618# endif
619# define my_htoles(x) (x)
620# define my_letohs(x) (x)
621# define my_htolei(x) (x)
622# define my_letohi(x) (x)
623# define my_htolel(x) (x)
624# define my_letohl(x) (x)
625# if SHORTSIZE == 1
626# define my_htobes(x) (x)
627# define my_betohs(x) (x)
628# elif SHORTSIZE == 2
629# define my_htobes(x) _swab_16_(x)
630# define my_betohs(x) _swab_16_(x)
631# elif SHORTSIZE == 4
632# define my_htobes(x) _swab_32_(x)
633# define my_betohs(x) _swab_32_(x)
634# elif SHORTSIZE == 8
635# define my_htobes(x) _swab_64_(x)
636# define my_betohs(x) _swab_64_(x)
637# else
638# define PERL_NEED_MY_HTOBES
639# define PERL_NEED_MY_BETOHS
640# endif
641# if INTSIZE == 1
642# define my_htobei(x) (x)
643# define my_betohi(x) (x)
644# elif INTSIZE == 2
645# define my_htobei(x) _swab_16_(x)
646# define my_betohi(x) _swab_16_(x)
647# elif INTSIZE == 4
648# define my_htobei(x) _swab_32_(x)
649# define my_betohi(x) _swab_32_(x)
650# elif INTSIZE == 8
651# define my_htobei(x) _swab_64_(x)
652# define my_betohi(x) _swab_64_(x)
653# else
654# define PERL_NEED_MY_HTOBEI
655# define PERL_NEED_MY_BETOHI
656# endif
657# if LONGSIZE == 1
658# define my_htobel(x) (x)
659# define my_betohl(x) (x)
660# elif LONGSIZE == 2
661# define my_htobel(x) _swab_16_(x)
662# define my_betohl(x) _swab_16_(x)
663# elif LONGSIZE == 4
664# define my_htobel(x) _swab_32_(x)
665# define my_betohl(x) _swab_32_(x)
666# elif LONGSIZE == 8
667# define my_htobel(x) _swab_64_(x)
668# define my_betohl(x) _swab_64_(x)
669# else
670# define PERL_NEED_MY_HTOBEL
671# define PERL_NEED_MY_BETOHL
672# endif
673# define my_htolen(p,n) NOOP
674# define my_letohn(p,n) NOOP
675# define my_htoben(p,n) my_swabn(p,n)
676# define my_betohn(p,n) my_swabn(p,n)
677/*----------------------------------------------------------------------------*/
678# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
679/*----------------------------------------------------------------------------*/
680# define my_htobe16(x) (x)
681# define my_betoh16(x) (x)
682# define my_htobe32(x) (x)
683# define my_betoh32(x) (x)
684# define my_htole16(x) _swab_16_(x)
685# define my_letoh16(x) _swab_16_(x)
686# define my_htole32(x) _swab_32_(x)
687# define my_letoh32(x) _swab_32_(x)
688# ifdef HAS_QUAD
689# define my_htobe64(x) (x)
690# define my_betoh64(x) (x)
691# define my_htole64(x) _swab_64_(x)
692# define my_letoh64(x) _swab_64_(x)
693# endif
694# define my_htobes(x) (x)
695# define my_betohs(x) (x)
696# define my_htobei(x) (x)
697# define my_betohi(x) (x)
698# define my_htobel(x) (x)
699# define my_betohl(x) (x)
700# if SHORTSIZE == 1
701# define my_htoles(x) (x)
702# define my_letohs(x) (x)
703# elif SHORTSIZE == 2
704# define my_htoles(x) _swab_16_(x)
705# define my_letohs(x) _swab_16_(x)
706# elif SHORTSIZE == 4
707# define my_htoles(x) _swab_32_(x)
708# define my_letohs(x) _swab_32_(x)
709# elif SHORTSIZE == 8
710# define my_htoles(x) _swab_64_(x)
711# define my_letohs(x) _swab_64_(x)
712# else
713# define PERL_NEED_MY_HTOLES
714# define PERL_NEED_MY_LETOHS
715# endif
716# if INTSIZE == 1
717# define my_htolei(x) (x)
718# define my_letohi(x) (x)
719# elif INTSIZE == 2
720# define my_htolei(x) _swab_16_(x)
721# define my_letohi(x) _swab_16_(x)
722# elif INTSIZE == 4
723# define my_htolei(x) _swab_32_(x)
724# define my_letohi(x) _swab_32_(x)
725# elif INTSIZE == 8
726# define my_htolei(x) _swab_64_(x)
727# define my_letohi(x) _swab_64_(x)
728# else
729# define PERL_NEED_MY_HTOLEI
730# define PERL_NEED_MY_LETOHI
731# endif
732# if LONGSIZE == 1
733# define my_htolel(x) (x)
734# define my_letohl(x) (x)
735# elif LONGSIZE == 2
736# define my_htolel(x) _swab_16_(x)
737# define my_letohl(x) _swab_16_(x)
738# elif LONGSIZE == 4
739# define my_htolel(x) _swab_32_(x)
740# define my_letohl(x) _swab_32_(x)
741# elif LONGSIZE == 8
742# define my_htolel(x) _swab_64_(x)
743# define my_letohl(x) _swab_64_(x)
744# else
745# define PERL_NEED_MY_HTOLEL
746# define PERL_NEED_MY_LETOHL
747# endif
748# define my_htolen(p,n) my_swabn(p,n)
749# define my_letohn(p,n) my_swabn(p,n)
750# define my_htoben(p,n) NOOP
751# define my_betohn(p,n) NOOP
752/*----------------------------------------------------------------------------*/
753# else /* all other byte-orders */
754/*----------------------------------------------------------------------------*/
755# define PERL_NEED_MY_HTOLE16
756# define PERL_NEED_MY_LETOH16
757# define PERL_NEED_MY_HTOBE16
758# define PERL_NEED_MY_BETOH16
759# define PERL_NEED_MY_HTOLE32
760# define PERL_NEED_MY_LETOH32
761# define PERL_NEED_MY_HTOBE32
762# define PERL_NEED_MY_BETOH32
763# ifdef HAS_QUAD
764# define PERL_NEED_MY_HTOLE64
765# define PERL_NEED_MY_LETOH64
766# define PERL_NEED_MY_HTOBE64
767# define PERL_NEED_MY_BETOH64
768# endif
769# define PERL_NEED_MY_HTOLES
770# define PERL_NEED_MY_LETOHS
771# define PERL_NEED_MY_HTOBES
772# define PERL_NEED_MY_BETOHS
773# define PERL_NEED_MY_HTOLEI
774# define PERL_NEED_MY_LETOHI
775# define PERL_NEED_MY_HTOBEI
776# define PERL_NEED_MY_BETOHI
777# define PERL_NEED_MY_HTOLEL
778# define PERL_NEED_MY_LETOHL
779# define PERL_NEED_MY_HTOBEL
780# define PERL_NEED_MY_BETOHL
781/*----------------------------------------------------------------------------*/
782# endif /* end of byte-order macros */
783/*----------------------------------------------------------------------------*/
784
9c17f24a
NC
785/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
786 at least on FreeBSD. YMMV, so experiment. */
787#ifndef PERL_ARENA_SIZE
788#define PERL_ARENA_SIZE 4080
789#endif
790
1109a392
MHM
791#endif /* PERL_CORE */
792
66a93824
NIS
793/* Cannot include embed.h here on Win32 as win32.h has not
794 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
795 */
96e176bf 796#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS
797# include "embed.h"
798#endif
799
c31fac66
GS
800#define MEM_SIZE Size_t
801
51371543
GS
802#if defined(STANDARD_C) && defined(I_STDDEF)
803# include <stddef.h>
804# define STRUCT_OFFSET(s,m) offsetof(s,m)
805#else
806# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
807#endif
808
27da23d5
JH
809#ifndef SYMBIAN
810# if defined(I_STRING) || defined(__cplusplus)
811# include <string.h>
812# else
813# include <strings.h>
814# endif
51371543
GS
815#endif
816
55497cff 817/* This comes after <stdlib.h> so we don't try to change the standard
818 * library prototypes; we'll use our own in proto.h instead. */
03a14243 819
4633a7c4 820#ifdef MYMALLOC
86058a2d 821# ifdef PERL_POLLUTE_MALLOC
ee13e175 822# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
823# define Perl_malloc malloc
824# define Perl_calloc calloc
825# define Perl_realloc realloc
826# define Perl_mfree free
ee13e175 827# endif
86058a2d
GS
828# else
829# define EMBEDMYMALLOC /* for compatibility */
830# endif
827e134a 831
651b9576
GS
832# define safemalloc Perl_malloc
833# define safecalloc Perl_calloc
834# define saferealloc Perl_realloc
835# define safefree Perl_mfree
22f7c9c9
JH
836# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
837 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
838 code; \
839 } STMT_END
840# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
841 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
842# define panic_write2(s) write(2, s, strlen(s))
843# define CHECK_MALLOC_TAINT(newval) \
844 CHECK_MALLOC_TOO_LATE_FOR_( \
845 if (newval) { \
846 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
847 exit(1); })
22f7c9c9 848# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 849 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
850 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
851 }} STMT_END;
f2517201
GS
852#else /* MYMALLOC */
853# define safemalloc safesysmalloc
854# define safecalloc safesyscalloc
855# define saferealloc safesysrealloc
856# define safefree safesysfree
22f7c9c9
JH
857# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
858# define CHECK_MALLOC_TAINT(newval) ((void)0)
859# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 860#endif /* MYMALLOC */
4633a7c4 861
27da23d5 862#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
863#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
864#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
865#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
866
a0d0e21e
LW
867#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
868#define strchr index
869#define strrchr rindex
870#endif
871
16d20bd9
AD
872#ifdef I_MEMORY
873# include <memory.h>
874#endif
875
fe14fcc3 876#ifdef HAS_MEMCPY
85e6fe83 877# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 878# ifndef memcpy
20ce7b12 879 extern char * memcpy (char*, char*, int);
ee0007ab
LW
880# endif
881# endif
882#else
883# ifndef memcpy
884# ifdef HAS_BCOPY
885# define memcpy(d,s,l) bcopy(s,d,l)
886# else
887# define memcpy(d,s,l) my_bcopy(s,d,l)
888# endif
889# endif
890#endif /* HAS_MEMCPY */
fe14fcc3 891
ee0007ab 892#ifdef HAS_MEMSET
85e6fe83 893# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 894# ifndef memset
20ce7b12 895 extern char *memset (char*, int, int);
ee0007ab
LW
896# endif
897# endif
ee0007ab 898#else
12ae5dfc 899# undef memset
fc36a67e 900# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
901#endif /* HAS_MEMSET */
902
85e6fe83 903#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 904# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
905# define memmove(d,s,l) bcopy(s,d,l)
906# else
2304df62 907# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 908# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 909# else
79072805 910# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 911# endif
352d5a3a 912# endif
d9d8d8de 913#endif
ee0007ab 914
36477c24 915#if defined(mips) && defined(ultrix) && !defined(__STDC__)
916# undef HAS_MEMCMP
917#endif
918
919#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 920# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 921# ifndef memcmp
20ce7b12 922 extern int memcmp (char*, char*, int);
ee0007ab
LW
923# endif
924# endif
36477c24 925# ifdef BUGGY_MSC
7e4e8c89 926# pragma function(memcmp)
36477c24 927# endif
ee0007ab
LW
928#else
929# ifndef memcmp
ecfc5424 930# define memcmp my_memcmp
352d5a3a 931# endif
36477c24 932#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 933
fc36a67e 934#ifndef memzero
c635e13b 935# ifdef HAS_MEMSET
936# define memzero(d,l) memset(d,0,l)
79072805 937# else
c635e13b 938# ifdef HAS_BZERO
939# define memzero(d,l) bzero(d,l)
79072805 940# else
fc36a67e 941# define memzero(d,l) my_bzero(d,l)
79072805
LW
942# endif
943# endif
d9d8d8de 944#endif
378cc40b 945
2f42fcb0 946#ifndef PERL_MICRO
0f27ced1
JH
947#ifndef memchr
948# ifndef HAS_MEMCHR
949# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
950# endif
951#endif
2f42fcb0 952#endif
0f27ced1 953
36477c24 954#ifndef HAS_BCMP
955# ifndef bcmp
956# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 957# endif
36477c24 958#endif /* !HAS_BCMP */
378cc40b 959
ae986130 960#ifdef I_NETINET_IN
79072805 961# include <netinet/in.h>
ae986130
LW
962#endif
963
28e8609d
JH
964#ifdef I_ARPA_INET
965# include <arpa/inet.h>
966#endif
967
84902520
TB
968#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
969/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
970 * (the neo-BSD seem to do this). */
971# undef SF_APPEND
972#endif
973
1aef975c 974#ifdef I_SYS_STAT
84902520 975# include <sys/stat.h>
1aef975c 976#endif
79072805 977
a0d0e21e
LW
978/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
979 like UTekV) are broken, sometimes giving false positives. Undefine
980 them here and let the code below set them to proper values.
981
982 The ghs macro stands for GreenHills Software C-1.8.5 which
983 is the C compiler for sysV88 and the various derivatives.
984 This header file bug is corrected in gcc-2.5.8 and later versions.
985 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
986
987#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
988# undef S_ISDIR
989# undef S_ISCHR
990# undef S_ISBLK
991# undef S_ISREG
992# undef S_ISFIFO
993# undef S_ISLNK
ee0007ab 994#endif
135863df 995
663a0e37
LW
996#ifdef I_TIME
997# include <time.h>
ffed7fef 998#endif
663a0e37 999
fe14fcc3 1000#ifdef I_SYS_TIME
85e6fe83 1001# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1002# define KERNEL
1003# endif
1004# include <sys/time.h>
85e6fe83 1005# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1006# undef KERNEL
1007# endif
a687059c 1008#endif
135863df 1009
55497cff 1010#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1011# include <sys/times.h>
d9d8d8de 1012#endif
8d063cd8 1013
fe14fcc3 1014#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1015# undef HAS_STRERROR
663a0e37
LW
1016#endif
1017
1018#include <errno.h>
1e743fda 1019
acfe0abc 1020#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1021# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1022#endif
1023
8cfab5ff
JH
1024/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1025 * This is important for using IPv6.
1026 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1027 * a bad idea since it breaks send() and recv(). */
1028#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1029# define _SOCKADDR_LEN
1030#endif
1031
8d3f517a 1032#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1033# include <sys/socket.h>
1034# if defined(USE_SOCKS) && defined(I_SOCKS)
1035# if !defined(INCLUDE_PROTOTYPES)
1036# define INCLUDE_PROTOTYPES /* for <socks.h> */
1037# define PERL_SOCKS_NEED_PROTOTYPES
1038# endif
1039# include <socks.h>
1040# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1041# undef INCLUDE_PROTOTYPES
1042# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1043# endif
d460ef45 1044# endif
1e743fda 1045# ifdef I_NETDB
2986a63f
JH
1046# ifdef NETWARE
1047# include<stdio.h>
1048# endif
1e743fda
JH
1049# include <netdb.h>
1050# endif
1051# ifndef ENOTSOCK
1052# ifdef I_NET_ERRNO
1053# include <net/errno.h>
1054# endif
1055# endif
1056#endif
1057
fa0a29af 1058/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1059 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1060 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1061#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1062# if defined(__THROW) && defined(__GLIBC__)
1063int sockatmark(int) __THROW;
1064# else
2ef53570 1065int sockatmark(int);
29820b6d 1066# endif
2ef53570
JH
1067#endif
1068
1e743fda
JH
1069#ifdef SETERRNO
1070# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1071#endif
f86702cc 1072
1073#ifdef VMS
1074# define SETERRNO(errcode,vmserrcode) \
1075 STMT_START { \
1076 set_errno(errcode); \
1077 set_vaxc_errno(vmserrcode); \
1078 } STMT_END
93189314
JH
1079# define LIB_INVARG LIB$_INVARG
1080# define RMS_DIR RMS$_DIR
1081# define RMS_FAC RMS$_FAC
1082# define RMS_FEX RMS$_FEX
1083# define RMS_FNF RMS$_FNF
1084# define RMS_IFI RMS$_IFI
1085# define RMS_ISI RMS$_ISI
1086# define RMS_PRV RMS$_PRV
1087# define SS_ACCVIO SS$_ACCVIO
1088# define SS_DEVOFFLINE SS$_DEVOFFLINE
1089# define SS_IVCHAN SS$_IVCHAN
1090# define SS_NORMAL SS$_NORMAL
748a9306 1091#else
aba27d88 1092# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1093# define LIB_INVARG 0
1094# define RMS_DIR 0
1095# define RMS_FAC 0
1096# define RMS_FEX 0
1097# define RMS_FNF 0
1098# define RMS_IFI 0
1099# define RMS_ISI 0
1100# define RMS_PRV 0
1101# define SS_ACCVIO 0
1102# define SS_DEVOFFLINE 0
1103# define SS_IVCHAN 0
1104# define SS_NORMAL 0
748a9306 1105#endif
ed6116ce 1106
3db8f154
MB
1107#define ERRSV GvSV(PL_errgv)
1108#define DEFSV GvSV(PL_defgv)
1109#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1110
98eae8f5
GS
1111#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1112
55497cff 1113#ifndef errno
5ff3f7a4
GS
1114 extern int errno; /* ANSI allows errno to be an lvalue expr.
1115 * For example in multithreaded environments
1116 * something like this might happen:
1117 * extern int *_errno(void);
1118 * #define errno (*_errno()) */
d9d8d8de 1119#endif
663a0e37 1120
2304df62 1121#ifdef HAS_STRERROR
a0d0e21e 1122# ifdef VMS
20ce7b12 1123 char *strerror (int,...);
a0d0e21e 1124# else
68dc0745 1125#ifndef DONT_DECLARE_STD
20ce7b12 1126 char *strerror (int);
68dc0745 1127#endif
a0d0e21e 1128# endif
2304df62
AD
1129# ifndef Strerror
1130# define Strerror strerror
1131# endif
1132#else
1133# ifdef HAS_SYS_ERRLIST
79072805
LW
1134 extern int sys_nerr;
1135 extern char *sys_errlist[];
2304df62
AD
1136# ifndef Strerror
1137# define Strerror(e) \
79072805 1138 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1139# endif
79072805 1140# endif
35c8bce7 1141#endif
663a0e37 1142
2304df62 1143#ifdef I_SYS_IOCTL
79072805
LW
1144# ifndef _IOCTL_
1145# include <sys/ioctl.h>
1146# endif
a687059c
LW
1147#endif
1148
ee0007ab 1149#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1150# ifdef HAS_SOCKETPAIR
1151# undef HAS_SOCKETPAIR
1152# endif
2304df62
AD
1153# ifdef I_NDBM
1154# undef I_NDBM
79072805 1155# endif
a687059c
LW
1156#endif
1157
02fc2eee
NC
1158#ifndef HAS_SOCKETPAIR
1159# ifdef HAS_SOCKET
1160# define socketpair Perl_my_socketpair
1161# endif
1162#endif
1163
a687059c 1164#if INTSIZE == 2
79072805
LW
1165# define htoni htons
1166# define ntohi ntohs
a687059c 1167#else
79072805
LW
1168# define htoni htonl
1169# define ntohi ntohl
a687059c
LW
1170#endif
1171
a0d0e21e 1172/* Configure already sets Direntry_t */
35c8bce7 1173#if defined(I_DIRENT)
663a0e37 1174# include <dirent.h>
8f1f23e8
W
1175 /* NeXT needs dirent + sys/dir.h */
1176# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1177# include <sys/dir.h>
1178# endif
ae986130 1179#else
fe14fcc3 1180# ifdef I_SYS_NDIR
79a0689e 1181# include <sys/ndir.h>
663a0e37 1182# else
fe14fcc3 1183# ifdef I_SYS_DIR
79a0689e
LW
1184# ifdef hp9000s500
1185# include <ndir.h> /* may be wrong in the future */
1186# else
1187# include <sys/dir.h>
1188# endif
663a0e37
LW
1189# endif
1190# endif
4633a7c4 1191#endif
a687059c 1192
12ae5dfc
JH
1193#ifdef PERL_MICRO
1194# ifndef DIR
1195# define DIR void
1196# endif
1197#endif
1198
352d5a3a
LW
1199#ifdef FPUTS_BOTCH
1200/* work around botch in SunOS 4.0.1 and 4.0.2 */
1201# ifndef fputs
79072805 1202# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1203# endif
1204#endif
1205
c623bd54
LW
1206/*
1207 * The following gobbledygook brought to you on behalf of __STDC__.
1208 * (I could just use #ifndef __STDC__, but this is more bulletproof
1209 * in the face of half-implementations.)
1210 */
1211
7114a2d2 1212#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1213#include <sys/mode.h>
1214#endif
1215
c623bd54
LW
1216#ifndef S_IFMT
1217# ifdef _S_IFMT
1218# define S_IFMT _S_IFMT
1219# else
1220# define S_IFMT 0170000
1221# endif
1222#endif
1223
1224#ifndef S_ISDIR
1225# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1226#endif
1227
1228#ifndef S_ISCHR
1229# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1230#endif
1231
1232#ifndef S_ISBLK
fe14fcc3
LW
1233# ifdef S_IFBLK
1234# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1235# else
1236# define S_ISBLK(m) (0)
1237# endif
c623bd54
LW
1238#endif
1239
1240#ifndef S_ISREG
1241# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1242#endif
1243
1244#ifndef S_ISFIFO
fe14fcc3
LW
1245# ifdef S_IFIFO
1246# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1247# else
1248# define S_ISFIFO(m) (0)
1249# endif
c623bd54
LW
1250#endif
1251
1252#ifndef S_ISLNK
1253# ifdef _S_ISLNK
1254# define S_ISLNK(m) _S_ISLNK(m)
1255# else
1256# ifdef _S_IFLNK
1257# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1258# else
1259# ifdef S_IFLNK
1260# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1261# else
1262# define S_ISLNK(m) (0)
1263# endif
1264# endif
1265# endif
1266#endif
1267
1268#ifndef S_ISSOCK
1269# ifdef _S_ISSOCK
1270# define S_ISSOCK(m) _S_ISSOCK(m)
1271# else
1272# ifdef _S_IFSOCK
1273# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1274# else
1275# ifdef S_IFSOCK
1276# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1277# else
1278# define S_ISSOCK(m) (0)
1279# endif
1280# endif
1281# endif
1282#endif
1283
1284#ifndef S_IRUSR
1285# ifdef S_IREAD
1286# define S_IRUSR S_IREAD
1287# define S_IWUSR S_IWRITE
1288# define S_IXUSR S_IEXEC
1289# else
1290# define S_IRUSR 0400
1291# define S_IWUSR 0200
1292# define S_IXUSR 0100
1293# endif
fac7cdfc
JS
1294#endif
1295
1296#ifndef S_IRGRP
1297# ifdef S_IRUSR
1298# define S_IRGRP (S_IRUSR>>3)
1299# define S_IWGRP (S_IWUSR>>3)
1300# define S_IXGRP (S_IXUSR>>3)
1301# else
1302# define S_IRGRP 0040
1303# define S_IWGRP 0020
1304# define S_IXGRP 0010
1305# endif
1306#endif
1307
1308#ifndef S_IROTH
1309# ifdef S_IRUSR
1310# define S_IROTH (S_IRUSR>>6)
1311# define S_IWOTH (S_IWUSR>>6)
1312# define S_IXOTH (S_IXUSR>>6)
1313# else
1314# define S_IROTH 0040
1315# define S_IWOTH 0020
1316# define S_IXOTH 0010
1317# endif
c623bd54
LW
1318#endif
1319
1320#ifndef S_ISUID
1321# define S_ISUID 04000
1322#endif
1323
1324#ifndef S_ISGID
1325# define S_ISGID 02000
1326#endif
1327
ca6e1c26
JH
1328#ifndef S_IRWXU
1329# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1330#endif
ca6e1c26
JH
1331
1332#ifndef S_IRWXG
1333# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1334#endif
ca6e1c26
JH
1335
1336#ifndef S_IRWXO
1337# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1338#endif
ca6e1c26 1339
c21fb2b8
JH
1340/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1341 * which would get included through <sys/file.h >, but that is 3000
1342 * lines in the future. --jhi */
1343
1344#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1345# define S_IREAD S_IRUSR
1346#endif
1347
c21fb2b8 1348#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1349# define S_IWRITE S_IWUSR
1350#endif
1351
1352#ifndef S_IEXEC
1353# define S_IEXEC S_IXUSR
1354#endif
1355
79072805
LW
1356#ifdef ff_next
1357# undef ff_next
352d5a3a
LW
1358#endif
1359
a0d0e21e 1360#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1361# define SLOPPYDIVIDE
1362#endif
1363
748a9306
LW
1364#ifdef UV
1365#undef UV
1366#endif
1367
c89df6bf
JH
1368#ifdef SPRINTF_E_BUG
1369# define sprintf UTS_sprintf_wrap
1370#endif
1371
c495e728
JH
1372/* Configure gets this right but the UTS compiler gets it wrong.
1373 -- Hal Morris <hom00@utsglobal.com> */
1374#ifdef UTS
1375# undef UVTYPE
1376# define UVTYPE unsigned
1377#endif
1378
05f13f53 1379/*
27d4fb96 1380 The IV type is supposed to be long enough to hold any integral
1381 value or a pointer.
1382 --Andy Dougherty August 1996
1383*/
1384
a22e52b9
JH
1385typedef IVTYPE IV;
1386typedef UVTYPE UV;
8175356b 1387
10cc9d2a 1388#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1389# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1390# define IV_MAX INT64_MAX
1391# define IV_MIN INT64_MIN
1392# define UV_MAX UINT64_MAX
cae7ae48
JH
1393# ifndef UINT64_MIN
1394# define UINT64_MIN 0
1395# endif
5ff3f7a4
GS
1396# define UV_MIN UINT64_MIN
1397# else
1398# define IV_MAX PERL_QUAD_MAX
1399# define IV_MIN PERL_QUAD_MIN
1400# define UV_MAX PERL_UQUAD_MAX
1401# define UV_MIN PERL_UQUAD_MIN
1402# endif
cf2093f6
JH
1403# define IV_IS_QUAD
1404# define UV_IS_QUAD
79072805 1405#else
8175356b 1406# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1407# define IV_MAX INT32_MAX
1408# define IV_MIN INT32_MIN
716026f9
DL
1409# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1410# define UV_MAX UINT32_MAX
1411# else
1412# define UV_MAX 4294967295U
1413# endif
cae7ae48
JH
1414# ifndef UINT32_MIN
1415# define UINT32_MIN 0
1416# endif
5ff3f7a4
GS
1417# define UV_MIN UINT32_MIN
1418# else
1419# define IV_MAX PERL_LONG_MAX
1420# define IV_MIN PERL_LONG_MIN
1421# define UV_MAX PERL_ULONG_MAX
1422# define UV_MIN PERL_ULONG_MIN
1423# endif
8175356b 1424# if IVSIZE == 8
cf2093f6
JH
1425# define IV_IS_QUAD
1426# define UV_IS_QUAD
de1c2614
JH
1427# ifndef HAS_QUAD
1428# define HAS_QUAD
1429# endif
cf2093f6
JH
1430# else
1431# undef IV_IS_QUAD
1432# undef UV_IS_QUAD
de1c2614 1433# undef HAS_QUAD
cf2093f6 1434# endif
79072805 1435#endif
d7d93a81 1436
1109a392
MHM
1437#ifndef HAS_QUAD
1438# undef PERL_NEED_MY_HTOLE64
1439# undef PERL_NEED_MY_LETOH64
1440# undef PERL_NEED_MY_HTOBE64
1441# undef PERL_NEED_MY_BETOH64
1442#endif
1443
6cde8aec 1444#if defined(uts) || defined(UTS)
11afe549
HM
1445# undef UV_MAX
1446# define UV_MAX (4294967295u)
20601011
JH
1447#endif
1448
cae7ae48 1449#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1450#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1451
28e5dec8 1452#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1453#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1454#endif
1455
d460ef45 1456/*
26bb67e2
JH
1457 * The macros INT2PTR and NUM2PTR are (despite their names)
1458 * bi-directional: they will convert int/float to or from pointers.
1459 * However the conversion to int/float are named explicitly:
1460 * PTR2IV, PTR2UV, PTR2NV.
1461 *
1462 * For int conversions we do not need two casts if pointers are
1463 * the same size as IV and UV. Otherwise we need an explicit
1464 * cast (PTRV) to avoid compiler warnings.
1465 */
56431972
RB
1466#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1467# define PTRV UV
1468# define INT2PTR(any,d) (any)(d)
1469#else
d460ef45 1470# if PTRSIZE == LONGSIZE
56431972 1471# define PTRV unsigned long
42718184 1472# else
56431972 1473# define PTRV unsigned
42718184 1474# endif
56431972 1475# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1476#endif
56431972
RB
1477#define NUM2PTR(any,d) (any)(PTRV)(d)
1478#define PTR2IV(p) INT2PTR(IV,p)
1479#define PTR2UV(p) INT2PTR(UV,p)
1480#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1481#if PTRSIZE == LONGSIZE
d2560b70
RB
1482# define PTR2ul(p) (unsigned long)(p)
1483#else
1484# define PTR2ul(p) INT2PTR(unsigned long,p)
1485#endif
d460ef45 1486
65202027 1487#ifdef USE_LONG_DOUBLE
1048ea30
JH
1488# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1489# define LONG_DOUBLE_EQUALS_DOUBLE
1490# endif
68d4903c 1491# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1492# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1493# endif
1494#endif
1495
2d4389e4
JH
1496#ifdef OVR_DBL_DIG
1497/* Use an overridden DBL_DIG */
1498# ifdef DBL_DIG
1499# undef DBL_DIG
1500# endif
1501# define DBL_DIG OVR_DBL_DIG
1502#else
1503/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1504 default value for printing floating point numbers in Gconvert
1505 (see config.h). (It also has other uses, such as figuring out if
1506 a given precision of printing can be done with a double instead of
1507 a long double - Allen).
2d4389e4
JH
1508*/
1509#ifdef I_LIMITS
1510#include <limits.h>
1511#endif
1512#ifdef I_FLOAT
1513#include <float.h>
1514#endif
1515#ifndef HAS_DBL_DIG
1516#define DBL_DIG 15 /* A guess that works lots of places */
1517#endif
1518#endif
cbca01e1
JH
1519#ifdef I_FLOAT
1520#include <float.h>
1521#endif
1522#ifndef HAS_DBL_DIG
1523#define DBL_DIG 15 /* A guess that works lots of places */
1524#endif
2d4389e4
JH
1525
1526#ifdef OVR_LDBL_DIG
1527/* Use an overridden LDBL_DIG */
1528# ifdef LDBL_DIG
1529# undef LDBL_DIG
1530# endif
1531# define LDBL_DIG OVR_LDBL_DIG
1532#else
1533/* The following is all to get LDBL_DIG, in order to pick a nice
1534 default value for printing floating point numbers in Gconvert.
1535 (see config.h)
1536*/
68d4903c
JH
1537# ifdef I_LIMITS
1538# include <limits.h>
1539# endif
1540# ifdef I_FLOAT
1541# include <float.h>
1542# endif
1543# ifndef HAS_LDBL_DIG
1544# if LONG_DOUBLESIZE == 10
1545# define LDBL_DIG 18 /* assume IEEE */
1546# else
1547# if LONG_DOUBLESIZE == 12
1548# define LDBL_DIG 18 /* gcc? */
1549# else
1550# if LONG_DOUBLESIZE == 16
1551# define LDBL_DIG 33 /* assume IEEE */
1552# else
1553# if LONG_DOUBLESIZE == DOUBLESIZE
1554# define LDBL_DIG DBL_DIG /* bummer */
1555# endif
1556# endif
1557# endif
1558# endif
1559# endif
2d4389e4
JH
1560#endif
1561
20f6aaab
AS
1562/*
1563 * This is for making sure we have a good DBL_MAX value, if possible,
1564 * either for usage as NV_MAX or for usage in figuring out if we can
1565 * fit a given long double into a double, if bug-fixing makes it
1566 * necessary to do so. - Allen <allens@cpan.org>
1567 */
1568
205f51d8
AS
1569#ifdef I_LIMITS
1570# include <limits.h>
20f6aaab
AS
1571#endif
1572
205f51d8
AS
1573#ifdef I_VALUES
1574# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1575# include <values.h>
1576# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1577# define DBL_MAX MAXDOUBLE
1578# endif
1579# if defined(MINDOUBLE) && !defined(DBL_MIN)
1580# define DBL_MIN MINDOUBLE
1581# endif
1582# endif
1583#endif /* defined(I_VALUES) */
1584
a22e52b9 1585typedef NVTYPE NV;
8175356b 1586
792d8dab
JH
1587#ifdef I_IEEEFP
1588# include <ieeefp.h>
1589#endif
923fc586 1590
65202027 1591#ifdef USE_LONG_DOUBLE
923fc586
JH
1592# ifdef I_SUNMATH
1593# include <sunmath.h>
1594# endif
2d4389e4 1595# define NV_DIG LDBL_DIG
d6c14000
JH
1596# ifdef LDBL_MANT_DIG
1597# define NV_MANT_DIG LDBL_MANT_DIG
1598# endif
06fc1729
JH
1599# ifdef LDBL_MIN
1600# define NV_MIN LDBL_MIN
1601# endif
1602# ifdef LDBL_MAX
1603# define NV_MAX LDBL_MAX
1604# endif
1605# ifdef LDBL_MIN_10_EXP
1606# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1607# endif
1608# ifdef LDBL_MAX_10_EXP
1609# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1610# endif
1611# ifdef LDBL_EPSILON
1612# define NV_EPSILON LDBL_EPSILON
1613# endif
f4a14a62
JH
1614# ifdef LDBL_MAX
1615# define NV_MAX LDBL_MAX
20f6aaab 1616/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1617# else
1618# ifdef HUGE_VALL
1619# define NV_MAX HUGE_VALL
1620# else
1621# ifdef HUGE_VAL
1622# define NV_MAX ((NV)HUGE_VAL)
1623# endif
1624# endif
1625# endif
68d4903c 1626# ifdef HAS_SQRTL
68d4903c
JH
1627# define Perl_cos cosl
1628# define Perl_sin sinl
1629# define Perl_sqrt sqrtl
1630# define Perl_exp expl
1631# define Perl_log logl
1632# define Perl_atan2 atan2l
1633# define Perl_pow powl
1634# define Perl_floor floorl
1bbae031 1635# define Perl_ceil ceill
68d4903c
JH
1636# define Perl_fmod fmodl
1637# endif
a3540c92
JH
1638/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1639# ifdef HAS_MODFL
1640# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1641/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1642 prototype in <math.h> */
1643# ifndef HAS_MODFL_PROTO
a221a8a5 1644EXTERN_C long double modfl(long double, long double *);
51997bc3 1645# endif
03476e8e
JH
1646# else
1647# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1648 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1649# define Perl_modf(x,y) Perl_my_modfl(x,y)
1650# endif
a3540c92
JH
1651# endif
1652# ifdef HAS_FREXPL
dff3e0b8 1653# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1654# else
1655# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1656 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1657# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1658# endif
a3540c92 1659# endif
38dbb4c5 1660# ifndef Perl_isnan
758a5d79
JH
1661# ifdef HAS_ISNANL
1662# define Perl_isnan(x) isnanl(x)
1663# endif
1664# endif
1665# ifndef Perl_isinf
1666# ifdef HAS_FINITEL
1667# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1668# endif
1669# endif
65202027 1670#else
2d4389e4 1671# define NV_DIG DBL_DIG
d6c14000
JH
1672# ifdef DBL_MANT_DIG
1673# define NV_MANT_DIG DBL_MANT_DIG
1674# endif
06fc1729
JH
1675# ifdef DBL_MIN
1676# define NV_MIN DBL_MIN
1677# endif
1678# ifdef DBL_MAX
1679# define NV_MAX DBL_MAX
1680# endif
1681# ifdef DBL_MIN_10_EXP
1682# define NV_MIN_10_EXP DBL_MIN_10_EXP
1683# endif
1684# ifdef DBL_MAX_10_EXP
1685# define NV_MAX_10_EXP DBL_MAX_10_EXP
1686# endif
1687# ifdef DBL_EPSILON
1688# define NV_EPSILON DBL_EPSILON
1689# endif
205f51d8 1690# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1691# define NV_MAX DBL_MAX
1692# define NV_MIN DBL_MIN
1693# else
1694# ifdef HUGE_VAL
1695# define NV_MAX HUGE_VAL
1696# endif
1697# endif
65202027
DS
1698# define Perl_cos cos
1699# define Perl_sin sin
1700# define Perl_sqrt sqrt
1701# define Perl_exp exp
1702# define Perl_log log
1703# define Perl_atan2 atan2
1704# define Perl_pow pow
1705# define Perl_floor floor
1bbae031 1706# define Perl_ceil ceil
65202027 1707# define Perl_fmod fmod
a3540c92 1708# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1709# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1710#endif
1711
1712/* rumor has it that Win32 has _fpclass() */
1713
205f51d8
AS
1714/* SGI has fpclassl... but not with the same result values,
1715 * and it's via a typedef (not via #define), so will need to redo Configure
1716 * to use. Not worth the trouble, IMO, at least until the below is used
1717 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1718 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1719 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1720
758a5d79
JH
1721#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1722# ifdef I_IEEFP
1723# include <ieeefp.h>
1724# endif
1725# ifdef I_FP
1726# include <fp.h>
1727# endif
1728# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1729# define Perl_fp_class() fpclassl(x)
1730# else
1731# define Perl_fp_class() fpclass(x)
1732# endif
1733# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1734# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1735# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1736# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1737# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1738# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1739# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1740# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1741# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1742# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1743# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1744# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1745# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1746# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1747# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1748#endif
1749
7114a2d2 1750#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1751# include <math.h>
1752# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1753# include <fp_class.h>
1754# endif
1755# define Perl_fp_class(x) fp_class(x)
1756# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1757# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1758# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1759# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1760# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1761# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1762# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1763# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1764# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1765# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1766# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1767# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1768# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1769# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1770# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1771#endif
1772
1773#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1774# include <math.h>
1775# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1776# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1777# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1778# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1779# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1780# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1781#endif
1782
1783#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1784# include <math.h>
1785# ifndef _cplusplus
1786# define Perl_fp_class(x) class(x)
1787# else
1788# define Perl_fp_class(x) _class(x)
1789# endif
1790# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1791# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1792# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1793# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1794# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1795# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1796# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1797# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1798# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1799# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1800# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1801# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1802# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1803# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1804# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1805#endif
1806
1807/* rumor has it that Win32 has _isnan() */
1808
1809#ifndef Perl_isnan
a3540c92 1810# ifdef HAS_ISNAN
758a5d79
JH
1811# define Perl_isnan(x) isnan((NV)x)
1812# else
1813# ifdef Perl_fp_class_nan
1814# define Perl_isnan(x) Perl_fp_class_nan(x)
1815# else
1816# ifdef HAS_UNORDERED
1817# define Perl_isnan(x) unordered((x), 0.0)
1818# else
1819# define Perl_isnan(x) ((x)!=(x))
1820# endif
1821# endif
1822# endif
1823#endif
1824
ca6c63e1
JH
1825#ifdef UNDER_CE
1826int isnan(double d);
1827#endif
1828
758a5d79
JH
1829#ifndef Perl_isinf
1830# ifdef HAS_ISINF
1831# define Perl_isinf(x) isinf((NV)x)
a3540c92 1832# else
758a5d79
JH
1833# ifdef Perl_fp_class_inf
1834# define Perl_isinf(x) Perl_fp_class_inf(x)
1835# else
1836# define Perl_isinf(x) ((x)==NV_INF)
1837# endif
1838# endif
1839#endif
1840
1841#ifndef Perl_isfinite
1842# ifdef HAS_FINITE
1843# define Perl_isfinite(x) finite((NV)x)
1844# else
1845# ifdef HAS_ISFINITE
1846# define Perl_isfinite(x) isfinite(x)
1847# else
1848# ifdef Perl_fp_class_finite
1849# define Perl_isfinite(x) Perl_fp_class_finite(x)
1850# else
1851# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1852# endif
1853# endif
a3540c92 1854# endif
65202027
DS
1855#endif
1856
a36244b7
JH
1857/* The default is to use Perl's own atof() implementation (in numeric.c).
1858 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1859 * it is however best to use the native implementation of atof.
1860 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1861 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1862 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1863 * you may need to be using a different function than atof! */
a36244b7
JH
1864
1865#ifndef USE_PERL_ATOF
1866# ifndef _UNICOS
1867# define USE_PERL_ATOF
1868# endif
1869#else
1870# if USE_PERL_ATOF == 0
1871# undef USE_PERL_ATOF
1872# endif
1873#endif
1874
1875#ifdef USE_PERL_ATOF
1876# define Perl_atof(s) Perl_my_atof(s)
1877# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1878#else
1879# define Perl_atof(s) (NV)atof(s)
1880# define Perl_atof2(s, n) ((n) = atof(s))
1881#endif
cf2093f6 1882
d460ef45 1883/* Previously these definitions used hardcoded figures.
760ac839
LW
1884 * It is hoped these formula are more portable, although
1885 * no data one way or another is presently known to me.
1886 * The "PERL_" names are used because these calculated constants
1887 * do not meet the ANSI requirements for LONG_MAX, etc., which
1888 * need to be constants acceptable to #if - kja
1889 * define PERL_LONG_MAX 2147483647L
1890 * define PERL_LONG_MIN (-LONG_MAX - 1)
1891 * define PERL ULONG_MAX 4294967295L
1892 */
1893
1894#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1895# include <limits.h>
760ac839 1896#endif
205f51d8
AS
1897/* Included values.h above if necessary; still including limits.h down here,
1898 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1899
99abf803 1900/*
1901 * Try to figure out max and min values for the integral types. THE CORRECT
1902 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1903 * following hacks are used if neither limits.h or values.h provide them:
1904 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1905 * for types < int: (unsigned TYPE)~(unsigned)0
1906 * The argument to ~ must be unsigned so that later signed->unsigned
1907 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1908 * and it must not be smaller than int because ~ does integral promotion.
1909 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1910 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1911 * The latter is a hack which happens to work on some machines but
1912 * does *not* catch any random system, or things like integer types
1913 * with NaN if that is possible.
1914 *
1915 * All of the types are explicitly cast to prevent accidental loss of
1916 * numeric range, and in the hope that they will be less likely to confuse
1917 * over-eager optimizers.
1918 *
1919 */
27d4fb96 1920
99abf803 1921#define PERL_UCHAR_MIN ((unsigned char)0)
1922
1923#ifdef UCHAR_MAX
1924# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1925#else
99abf803 1926# ifdef MAXUCHAR
1927# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1928# else
99abf803 1929# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1930# endif
1931#endif
d460ef45 1932
99abf803 1933/*
1934 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1935 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1936 * depending on local options. Until Configure detects this (or at least
1937 * detects whether the "signed" keyword is available) the CHAR ranges
1938 * will not be included. UCHAR functions normally.
1939 * - kja
1940 */
27d4fb96 1941
99abf803 1942#define PERL_USHORT_MIN ((unsigned short)0)
1943
1944#ifdef USHORT_MAX
1945# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1946#else
99abf803 1947# ifdef MAXUSHORT
1948# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1949# else
ef2f54b0
CB
1950# ifdef USHRT_MAX
1951# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1952# else
1953# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1954# endif
27d4fb96 1955# endif
1956#endif
1957
27d4fb96 1958#ifdef SHORT_MAX
99abf803 1959# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1960#else
1961# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1962# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1963# else
ef2f54b0
CB
1964# ifdef SHRT_MAX
1965# define PERL_SHORT_MAX ((short)SHRT_MAX)
1966# else
1967# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1968# endif
27d4fb96 1969# endif
1970#endif
1971
1972#ifdef SHORT_MIN
99abf803 1973# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1974#else
1975# ifdef MINSHORT
99abf803 1976# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1977# else
ef2f54b0
CB
1978# ifdef SHRT_MIN
1979# define PERL_SHORT_MIN ((short)SHRT_MIN)
1980# else
1981# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1982# endif
27d4fb96 1983# endif
1984#endif
1985
99abf803 1986#ifdef UINT_MAX
1987# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1988#else
99abf803 1989# ifdef MAXUINT
1990# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1991# else
99abf803 1992# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1993# endif
1994#endif
1995
99abf803 1996#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1997
1998#ifdef INT_MAX
99abf803 1999# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2000#else
2001# ifdef MAXINT /* Often used in <values.h> */
99abf803 2002# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2003# else
99abf803 2004# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2005# endif
2006#endif
2007
2008#ifdef INT_MIN
99abf803 2009# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2010#else
2011# ifdef MININT
99abf803 2012# define PERL_INT_MIN ((int)MININT)
27d4fb96 2013# else
2014# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2015# endif
2016#endif
2017
99abf803 2018#ifdef ULONG_MAX
2019# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2020#else
99abf803 2021# ifdef MAXULONG
2022# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2023# else
99abf803 2024# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2025# endif
2026#endif
2027
99abf803 2028#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2029
760ac839 2030#ifdef LONG_MAX
99abf803 2031# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2032#else
2033# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2034# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2035# else
99abf803 2036# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2037# endif
2038#endif
2039
2040#ifdef LONG_MIN
99abf803 2041# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2042#else
2043# ifdef MINLONG
99abf803 2044# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2045# else
27d4fb96 2046# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2047# endif
2048#endif
2049
d7d93a81 2050#ifdef UV_IS_QUAD
99abf803 2051
99abf803 2052# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2053# define PERL_UQUAD_MIN ((UV)0)
99abf803 2054# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2055# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2056
79072805
LW
2057#endif
2058
22f7c9c9
JH
2059#ifdef MYMALLOC
2060# include "malloc_ctl.h"
2061#endif
2062
830247a4 2063struct RExC_state_t;
880b20b6 2064
ee0007ab 2065typedef MEM_SIZE STRLEN;
450a55e4 2066
79072805
LW
2067typedef struct op OP;
2068typedef struct cop COP;
2069typedef struct unop UNOP;
2070typedef struct binop BINOP;
2071typedef struct listop LISTOP;
2072typedef struct logop LOGOP;
79072805
LW
2073typedef struct pmop PMOP;
2074typedef struct svop SVOP;
7934575e 2075typedef struct padop PADOP;
79072805 2076typedef struct pvop PVOP;
79072805
LW
2077typedef struct loop LOOP;
2078
93a17b20 2079typedef struct interpreter PerlInterpreter;
d2b3f365
SS
2080
2081/* Amdahl's <ksync.h> has struct sv */
2082/* SGI's <sys/sema.h> has struct sv */
2083#if defined(UTS) || defined(__sgi)
2084# define STRUCT_SV perl_sv
b8d3c5db
JH
2085#else
2086# define STRUCT_SV sv
2087#endif
2088typedef struct STRUCT_SV SV;
79072805
LW
2089typedef struct av AV;
2090typedef struct hv HV;
2091typedef struct cv CV;
378cc40b 2092typedef struct regexp REGEXP;
79072805 2093typedef struct gp GP;
0c30d9ec 2094typedef struct gv GV;
8990e307 2095typedef struct io IO;
c09156bb 2096typedef struct context PERL_CONTEXT;
79072805
LW
2097typedef struct block BLOCK;
2098
2099typedef struct magic MAGIC;
ed6116ce 2100typedef struct xrv XRV;
79072805
LW
2101typedef struct xpv XPV;
2102typedef struct xpviv XPVIV;
ff68c719 2103typedef struct xpvuv XPVUV;
79072805
LW
2104typedef struct xpvnv XPVNV;
2105typedef struct xpvmg XPVMG;
2106typedef struct xpvlv XPVLV;
2107typedef struct xpvav XPVAV;
2108typedef struct xpvhv XPVHV;
2109typedef struct xpvgv XPVGV;
2110typedef struct xpvcv XPVCV;
2111typedef struct xpvbm XPVBM;
2112typedef struct xpvfm XPVFM;
8990e307 2113typedef struct xpvio XPVIO;
79072805
LW
2114typedef struct mgvtbl MGVTBL;
2115typedef union any ANY;
5f7fde29
GS
2116typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2117typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2118typedef struct clone_params CLONE_PARAMS;
2119
378cc40b 2120#include "handy.h"
a0d0e21e 2121
6b8eaf93 2122#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2123# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2124# define USE_64_BIT_RAWIO /* implicit */
2125# endif
4564133c
JH
2126#endif
2127
6b8eaf93
JH
2128/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2129 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2130 * however, because operating systems like to do that themself. */
2131#ifndef FSEEKSIZE
2132# ifdef HAS_FSEEKO
2133# define FSEEKSIZE LSEEKSIZE
2134# else
2135# define FSEEKSIZE LONGSIZE
d460ef45 2136# endif
6b8eaf93
JH
2137#endif
2138
2139#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2140# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2141# define USE_64_BIT_STDIO /* implicit */
2142# endif
2143#endif
4564133c 2144
09458382 2145#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2146# ifdef HAS_OFF64_T
2147# undef Off_t
2148# define Off_t off64_t
2149# undef LSEEKSIZE
2150# define LSEEKSIZE 8
5ff3f7a4 2151# endif
d9b3e12d
JH
2152/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2153 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2154 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2155# if defined(USE_OPEN64)
2156# define open open64
5ff3f7a4 2157# endif
d9b3e12d
JH
2158# if defined(USE_LSEEK64)
2159# define lseek lseek64
6b8eaf93
JH
2160# else
2161# if defined(USE_LLSEEK)
2162# define lseek llseek
2163# endif
d9b3e12d
JH
2164# endif
2165# if defined(USE_STAT64)
2166# define stat stat64
2167# endif
2168# if defined(USE_FSTAT64)
2169# define fstat fstat64
2170# endif
2171# if defined(USE_LSTAT64)
2172# define lstat lstat64
2173# endif
2174# if defined(USE_FLOCK64)
2175# define flock flock64
2176# endif
2177# if defined(USE_LOCKF64)
2178# define lockf lockf64
2179# endif
2180# if defined(USE_FCNTL64)
2181# define fcntl fcntl64
2182# endif
2183# if defined(USE_TRUNCATE64)
2184# define truncate truncate64
2185# endif
2186# if defined(USE_FTRUNCATE64)
2187# define ftruncate ftruncate64
2188# endif
2189#endif
2190
2191#ifdef USE_64_BIT_STDIO
2192# ifdef HAS_FPOS64_T
2193# undef Fpos_t
2194# define Fpos_t fpos64_t
2195# endif
2196/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2197 * will trigger defines like the ones below. Some 64-bit environments,
2198 * however, do not. */
2199# if defined(USE_FOPEN64)
2200# define fopen fopen64
2201# endif
2202# if defined(USE_FSEEK64)
6b8eaf93 2203# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2204# endif
2205# if defined(USE_FTELL64)
6b8eaf93 2206# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2207# endif
2208# if defined(USE_FSETPOS64)
2209# define fsetpos fsetpos64
2210# endif
2211# if defined(USE_FGETPOS64)
2212# define fgetpos fgetpos64
2213# endif
2214# if defined(USE_TMPFILE64)
2215# define tmpfile tmpfile64
2216# endif
2217# if defined(USE_FREOPEN64)
2218# define freopen freopen64
5ff3f7a4
GS
2219# endif
2220#endif
2221
af8b425d 2222#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2223# include "iperlsys.h"
2224#endif
2225
6f71a643 2226#if defined(__OPEN_VM)
19848b3f
JH
2227# include "vmesa/vmesaish.h"
2228# define ISHISH "vmesa"
6f71a643
JH
2229#endif
2230
748a9306 2231#ifdef DOSISH
19848b3f
JH
2232# if defined(OS2)
2233# include "os2ish.h"
2234# else
2235# include "dosish.h"
2236# endif
2237# define ISHISH "dos"
2238#endif
2239
2240#if defined(VMS)
748a9306 2241# include "vmsish.h"
96e176bf 2242# include "embed.h"
19848b3f
JH
2243# define ISHISH "vms"
2244#endif
2245
2246#if defined(PLAN9)
2247# include "./plan9/plan9ish.h"
2248# define ISHISH "plan9"
2249#endif
2250
2251#if defined(MPE)
2252# include "mpeix/mpeixish.h"
2253# define ISHISH "mpeix"
2254#endif
2255
2256#if defined(__VOS__)
196918b0
PG
2257# ifdef __GNUC__
2258# include "./vos/vosish.h"
2259# else
2260# include "vos/vosish.h"
2261# endif
19848b3f
JH
2262# define ISHISH "vos"
2263#endif
2264
2265#if defined(EPOC)
2266# include "epocish.h"
2267# define ISHISH "epoc"
2268#endif
2269
27da23d5
JH
2270#ifdef SYMBIAN
2271# include "symbian/symbianish.h"
2272# include "embed.h"
2273# define ISHISH "symbian"
2274#endif
2275
19848b3f
JH
2276#if defined(MACOS_TRADITIONAL)
2277# include "macos/macish.h"
2278# ifndef NO_ENVIRON_ARRAY
2279# define NO_ENVIRON_ARRAY
0c30d9ec 2280# endif
19848b3f
JH
2281# define ISHISH "macos classic"
2282#endif
2283
efca5cc6
JH
2284#if defined(__BEOS__)
2285# include "beos/beosish.h"
2286# define ISHISH "beos"
2287#endif
2288
19848b3f
JH
2289#ifndef ISHISH
2290# include "unixish.h"
2291# define ISHISH "unix"
13b6e58c
JH
2292#endif
2293
2294#ifndef NO_ENVIRON_ARRAY
2295# define USE_ENVIRON_ARRAY
2296#endif
32f822de 2297
c77b533b
JH
2298/*
2299 * initialise to avoid floating-point exceptions from overflow, etc
2300 */
2301#ifndef PERL_FPU_INIT
2302# ifdef HAS_FPSETMASK
2303# if HAS_FLOATINGPOINT_H
2304# include <floatingpoint.h>
2305# endif
2306# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2307# else
2f42fcb0 2308# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2309# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS
2310# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2311# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2312# else
2313# define PERL_FPU_INIT
2f42fcb0 2314
7014c407 2315# endif
c77b533b
JH
2316# endif
2317#endif
b35112e7
CS
2318#ifndef PERL_FPU_PRE_EXEC
2319# define PERL_FPU_PRE_EXEC {
2320# define PERL_FPU_POST_EXEC }
2321#endif
c77b533b 2322
ed344e4f
IZ
2323#ifndef PERL_SYS_INIT3
2324# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2325#endif
2326
be708cc0
JH
2327#ifndef PERL_WRITE_MSG_TO_CONSOLE
2328# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2329#endif
2330
0f31cffe
GS
2331#ifndef MAXPATHLEN
2332# ifdef PATH_MAX
b990c8b2
JH
2333# ifdef _POSIX_PATH_MAX
2334# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2335/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2336 * included the null byte or not. Later amendments of POSIX,
2337 * XPG4, the Austin Group, and the Single UNIX Specification
2338 * all explicitly include the null byte in the PATH_MAX.
2339 * Ditto for _POSIX_PATH_MAX. */
2340# define MAXPATHLEN PATH_MAX
b990c8b2 2341# else
09448d78 2342# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2343# endif
2344# else
2345# define MAXPATHLEN (PATH_MAX+1)
2346# endif
0f31cffe 2347# else
b990c8b2 2348# ifdef _POSIX_PATH_MAX
09448d78 2349# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2350# else
2351# define MAXPATHLEN 1024 /* Err on the large side. */
2352# endif
0f31cffe
GS
2353# endif
2354#endif
2355
3db8f154 2356/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2357 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2358 * this results in many functions being undeclared which bothers C++
2359 * May make sense to have threads after "*ish.h" anyway
2360 */
2361
3db8f154 2362#if defined(USE_ITHREADS)
2986a63f
JH
2363# ifdef NETWARE
2364# include <nw5thread.h>
2365# else
32f822de
GS
2366# ifdef FAKE_THREADS
2367# include "fakethr.h"
2368# else
2369# ifdef WIN32
2370# include <win32thread.h>
2371# else
dd96f567
IZ
2372# ifdef OS2
2373# include "os2thread.h"
2374# else
7f3d1cf1 2375# ifdef I_MACH_CTHREADS
bdd66968 2376# include <mach/cthreads.h>
8f1f23e8 2377# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2378# define MUTEX_INIT_CALLS_MALLOC
2379# endif
7f3d1cf1
BH
2380typedef cthread_t perl_os_thread;
2381typedef mutex_t perl_mutex;
2382typedef condition_t perl_cond;
2383typedef void * perl_key;
2384# else /* Posix threads */
1f5ae88c
JH
2385# ifdef I_PTHREAD
2386# include <pthread.h>
2387# endif
7f3d1cf1
BH
2388typedef pthread_t perl_os_thread;
2389typedef pthread_mutex_t perl_mutex;
2390typedef pthread_cond_t perl_cond;
2391typedef pthread_key_t perl_key;
2392# endif /* I_MACH_CTHREADS */
dd96f567 2393# endif /* OS2 */
32f822de
GS
2394# endif /* WIN32 */
2395# endif /* FAKE_THREADS */
2986a63f 2396#endif /* NETWARE */
3db8f154 2397#endif /* USE_ITHREADS */
c5be433b 2398
66a93824 2399#if defined(WIN32)
1feb2720 2400# include "win32.h"
c5be433b
GS
2401#endif
2402
2986a63f
JH
2403#ifdef NETWARE
2404# include "netware.h"
2405#endif
2406
e5218da5 2407#define STATUS_UNIX PL_statusvalue
68dc0745 2408#ifdef VMS
6b88bc9c 2409# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2410# define STATUS_NATIVE_EXPORT \
d98f61e7 2411 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2412# define STATUS_NATIVE_SET(n) \
2413 STMT_START { \
6b88bc9c
GS
2414 PL_statusvalue_vms = (n); \
2415 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2416 PL_statusvalue = -1; \
6b88bc9c 2417 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2418 PL_statusvalue = 0; \
6b88bc9c
GS
2419 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2420 PL_statusvalue = 1 << 8; \
68dc0745 2421 else \
6b88bc9c 2422 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2423 } STMT_END
68dc0745 2424# ifdef VMSISH_STATUS
e5218da5 2425# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2426# else
e5218da5 2427# define STATUS_CURRENT STATUS_UNIX
68dc0745 2428# endif
e5218da5 2429# define STATUS_UNIX_SET(n) \
68dc0745 2430 STMT_START { \
3280af22
NIS
2431 PL_statusvalue = (n); \
2432 if (PL_statusvalue != -1) { \
2433 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2434 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2435 } \
6b88bc9c 2436 else PL_statusvalue_vms = -1; \
68dc0745 2437 } STMT_END
6b88bc9c
GS
2438# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2439# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2440#else
e5218da5
GA
2441# define STATUS_NATIVE PL_statusvalue_posix
2442# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2443# if defined(WCOREDUMP)
2444# define STATUS_NATIVE_SET(n) \
2445 STMT_START { \
2446 PL_statusvalue_posix = (n); \
2447 if (PL_statusvalue_posix == -1) \
2448 PL_statusvalue = -1; \
2449 else { \
2450 PL_statusvalue = \
2451 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2452 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2453 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2454 } \
2455 } STMT_END
2456# elif defined(WIFEXITED)
2457# define STATUS_NATIVE_SET(n) \
2458 STMT_START { \
2459 PL_statusvalue_posix = (n); \
2460 if (PL_statusvalue_posix == -1) \
2461 PL_statusvalue = -1; \
2462 else { \
2463 PL_statusvalue = \
2464 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2465 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2466 } \
2467 } STMT_END
2468# else
2469# define STATUS_NATIVE_SET(n) \
2470 STMT_START { \
2471 PL_statusvalue_posix = (n); \
2472 if (PL_statusvalue_posix == -1) \
2473 PL_statusvalue = -1; \
2474 else { \
2475 PL_statusvalue = \
2476 PL_statusvalue_posix & 0xFFFF; \
2477 } \
2478 } STMT_END
2479# endif
2480# define STATUS_UNIX_SET(n) \
68dc0745 2481 STMT_START { \
3280af22 2482 PL_statusvalue = (n); \
e5218da5 2483 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS
2484 if (PL_statusvalue != -1) \
2485 PL_statusvalue &= 0xFFFF; \
68dc0745 2486 } STMT_END
e5218da5
GA
2487# define STATUS_CURRENT STATUS_UNIX
2488# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2489# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2490#endif
2491
cc3604b1
GS
2492/* flags in PL_exit_flags for nature of exit() */
2493#define PERL_EXIT_EXPECTED 0x01
31d77e54 2494#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2495
0b94c7bb 2496#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2497# define MEMBER_TO_FPTR(name) name
2498#endif
2499
2500/* format to use for version numbers in file/directory names */
273cf8d1 2501/* XXX move to Configure? */
a7cb1f99 2502#ifndef PERL_FS_VER_FMT
273cf8d1 2503# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2504#endif
2505
45bc9206 2506/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2507 * performance issue, so we allow people to disable it. Also, if
2508 * we are using stdio, there are broken implementations of fflush(NULL)
2509 * out there, Solaris being the most prominent.
45bc9206
GS
2510 */
2511#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2512# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2513# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2514# else
2515# ifdef FFLUSH_ALL
2516# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2517# else
c5be433b 2518# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2519# endif
66fe083f 2520# endif
45bc9206
GS
2521#endif
2522
7766f137
GS
2523#ifndef PERL_WAIT_FOR_CHILDREN
2524# define PERL_WAIT_FOR_CHILDREN NOOP
2525#endif
2526
ba869deb 2527/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2528#ifndef PERL_SET_INTERP
2529# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2530#endif
2531
2532#ifndef PERL_GET_INTERP
2533# define PERL_GET_INTERP (PL_curinterp)
2534#endif
2535
54aff467 2536#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2537# ifdef MULTIPLICITY
ba869deb 2538# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2539# endif
ba869deb
GS
2540# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2541#endif
2542
0dbb1585
AL
2543/* This replaces the previous %_ "hack" by the "%-p" hack
2544 All that is required is that the perl source does not
2545 use "%-p" or "%-<number>p" format. These format will
2546 still work in perl code. RMB 2005/05/17
2547*/
894356b3 2548#ifndef SVf
0dbb1585 2549# define SVf "-p"
894356b3
GS
2550#endif
2551
014ead4b 2552#ifndef SVf_precision
0dbb1585 2553# define SVf_precision(n) "-" n "p"
d2560b70
RB
2554#endif
2555
014ead4b
RB
2556#ifndef SVf32
2557# define SVf32 SVf_precision("32")
2558#endif
2559
2560#ifndef SVf256
2561# define SVf256 SVf_precision("256")
2562#endif
2563
2564#ifndef UVf
2565# define UVf UVuf
d2560b70
RB
2566#endif
2567
5df617be 2568#ifndef DieNull
0dbb1585 2569# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB
2570#endif
2571
0dbb1585
AL
2572/* In case Configure was not used (we are using a "canned config"
2573 * such as Win32, or a cross-compilation setup, for example) try going
2574 * by the gcc major and minor versions. One useful URL is
2575 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2576 * but contrary to this information warn_unused_result seems
2577 * not to be in gcc 3.3.5, at least. --jhi */
2578#if defined __GNUC__
2579# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2580# define HASATTRIBUTE_FORMAT
2581# endif
2582# if __GNUC__ >= 3 /* 3.0 -> */
2583# define HASATTRIBUTE_MALLOC
2584# endif
2585# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2586# define HASATTRIBUTE_NONNULL
2587# endif
2588# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2589# define HASATTRIBUTE_NORETURN
2590# endif
2591# if __GNUC__ >= 3 /* gcc 3.0 -> */
2592# define HASATTRIBUTE_PURE
2593# endif
2594# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2595# define HASATTRIBUTE_UNUSED
2596# endif
2597# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2598# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB
2599# endif
2600#endif
b7787f18 2601
f22be1b8 2602
0dbb1585
AL
2603#ifdef HASATTRIBUTE_FORMAT
2604# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2605#endif
2606#ifdef HASATTRIBUTE_MALLOC
abb2c242 2607# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2608#endif
0dbb1585 2609#ifdef HASATTRIBUTE_NONNULL
abb2c242 2610# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2611#endif
0dbb1585 2612#ifdef HASATTRIBUTE_NORETURN
abb2c242 2613# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2614#endif
0dbb1585 2615#ifdef HASATTRIBUTE_PURE
abb2c242 2616# define __attribute__pure__ __attribute__((pure))
f22be1b8 2617#endif
0dbb1585
AL
2618#ifdef HASATTRIBUTE_UNUSED
2619# define __attribute__unused__ __attribute__((unused))
2620#endif
2621#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2622# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
2623#endif
2624
0dbb1585
AL
2625/* If we haven't defined the attributes yet, define them to blank. */
2626#ifndef __attribute__format__
2627# define __attribute__format__(x,y,z)
2628#endif
f22be1b8 2629#ifndef __attribute__malloc__
abb2c242 2630# define __attribute__malloc__
f22be1b8
JH
2631#endif
2632#ifndef __attribute__nonnull__
abb2c242 2633# define __attribute__nonnull__(a)
f22be1b8
JH
2634#endif
2635#ifndef __attribute__noreturn__
abb2c242 2636# define __attribute__noreturn__
f22be1b8
JH
2637#endif
2638#ifndef __attribute__pure__
abb2c242 2639# define __attribute__pure__
f22be1b8 2640#endif
0dbb1585
AL
2641#ifndef __attribute__unused__
2642# define __attribute__unused__
2643#endif
f22be1b8 2644#ifndef __attribute__warn_unused_result__
abb2c242
JH
2645# define __attribute__warn_unused_result__
2646#endif
2647
0dbb1585
AL
2648/* For functions that are marked as __attribute__noreturn__, it's not
2649 appropriate to call return. In either case, include the lint directive.
2650 */
2651#ifdef HASATTRIBUTE_NORETURN
2652# define NORETURN_FUNCTION_END /* NOT REACHED */
2653#else
2654# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH
2655#endif
2656
3fc1aec6 2657/* Some unistd.h's give a prototype for pause() even though
2658 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2659 below to be rejected by the compiler. Sigh.
3fc1aec6 2660*/
2661#ifdef HAS_PAUSE
2662#define Pause pause
2663#else
2664#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2665#endif
2666
2667#ifndef IOCPARM_LEN
2668# ifdef IOCPARM_MASK
2669 /* on BSDish systes we're safe */
2670# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2671# else
2672 /* otherwise guess at what's safe */
2673# define IOCPARM_LEN(x) 256
2674# endif
a0d0e21e
LW
2675#endif
2676
1761cee5 2677#if defined(__CYGWIN__)
521e0776
GS
2678/* USEMYBINMODE
2679 * This symbol, if defined, indicates that the program should
16fe6d59 2680 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2681 * that a file is in "binary" mode -- that is, that no translation
2682 * of bytes occurs on read or write operations.
2683 */
36894f0b 2684# define USEMYBINMODE /**/
77a40698 2685# include <io.h> /* for setmode() prototype */
16fe6d59 2686# define my_binmode(fp, iotype, mode) \
77a40698 2687 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2688#endif
2689
88d10794
JH
2690#ifdef __CYGWIN__
2691void init_os_extras(void);
2692#endif
2693
cea2e8a9
GS
2694#ifdef UNION_ANY_DEFINITION
2695UNION_ANY_DEFINITION;
2696#else
2697union any {
2698 void* any_ptr;
2699 I32 any_i32;
2700 IV any_iv;
2701 long any_long;
9febdf04 2702 bool any_bool;
c76ac1ee 2703 void (*any_dptr) (void*);
acfe0abc 2704 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2705};
2706#endif
2707
acfe0abc 2708typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2709
2710#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2711#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2712#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2713
c5078cac
JH
2714#if defined(_AIX) && !defined(_AIX43)
2715#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2716/* We cannot include <crypt.h> to get the struct crypt_data
2717 * because of setkey prototype problems when threading */
2718typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2719 /* From OSF, Not needed in AIX
2720 char C[28], D[28];
2721 */
2722 char E[48];
2723 char KS[16][48];
2724 char block[66];
2725 char iobuf[16];
2726} CRYPTD;
2727#endif /* threading */
2728#endif /* AIX */
2729
af8b425d 2730#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2731# include "iperlsys.h"
2732#endif
504f80c1 2733
d10dc2ae
JH
2734/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2735 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2736 * defined by Configure, despite their names being similar to the
2737 * other defines like USE_ITHREADS. Configure in fact knows nothing
2738 * about the randomised hashes. Therefore to enable/disable the hash
2739 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2740#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2741# define USE_HASH_SEED
504f80c1
JH
2742#endif
2743
378cc40b 2744#include "regexp.h"
79072805 2745#include "sv.h"
378cc40b 2746#include "util.h"
8d063cd8 2747#include "form.h"
79072805 2748#include "gv.h"
dd2155a4 2749#include "pad.h"
79072805 2750#include "cv.h"
abdd5c84 2751#include "opnames.h"
79072805
LW
2752#include "op.h"
2753#include "cop.h"
2754#include "av.h"
2755#include "hv.h"
2756#include "mg.h"
2757#include "scope.h"
4438c4b7 2758#include "warnings.h"
a0ed51b3 2759#include "utf8.h"
8d063cd8 2760
7fae4e64
GS
2761/* Current curly descriptor */
2762typedef struct curcur CURCUR;
2763struct curcur {
2764 int parenfloor; /* how far back to strip paren data */
2765 int cur; /* how many instances of scan we've matched */
2766 int min; /* the minimal number of scans to match */
2767 int max; /* the maximal number of scans to match */
2768 int minmod; /* whether to work our way up or down */
2769 regnode * scan; /* the thing to match */
2770 regnode * next; /* what has to match after it */
2771 char * lastloc; /* where we started matching this scan */
2772 CURCUR * oldcc; /* current curly before we started this one */
2773};
2774
2775typedef struct _sublex_info SUBLEXINFO;
2776struct _sublex_info {
2777 I32 super_state; /* lexer state to save */
2778 I32 sub_inwhat; /* "lex_inwhat" to use */
2779 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2780 char *super_bufptr; /* PL_bufptr that was */
2781 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2782};
2783
455ece5e 2784typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2785
2c2d71f5 2786struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2787struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2788
2789typedef I32 CHECKPOINT;
76e3520e 2790
5f7fde29
GS
2791struct ptr_tbl_ent {
2792 struct ptr_tbl_ent* next;
2793 void* oldval;
2794 void* newval;
d18c6117
GS
2795};
2796
5f7fde29
GS
2797struct ptr_tbl {
2798 struct ptr_tbl_ent** tbl_ary;
2799 UV tbl_max;
2800 UV tbl_items;
d18c6117
GS
2801};
2802
450a55e4 2803#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2804# define I286
2805#endif
2806
fe14fcc3
LW
2807#if defined(htonl) && !defined(HAS_HTONL)
2808#define HAS_HTONL
ae986130 2809#endif
fe14fcc3
LW
2810#if defined(htons) && !defined(HAS_HTONS)
2811#define HAS_HTONS
ae986130 2812#endif
fe14fcc3
LW
2813#if defined(ntohl) && !defined(HAS_NTOHL)
2814#define HAS_NTOHL
ae986130 2815#endif
fe14fcc3
LW
2816#if defined(ntohs) && !defined(HAS_NTOHS)
2817#define HAS_NTOHS
ae986130 2818#endif
fe14fcc3 2819#ifndef HAS_HTONL
d9d8d8de 2820#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2821#define HAS_HTONS
2822#define HAS_HTONL
2823#define HAS_NTOHS
2824#define HAS_NTOHL
a687059c
LW
2825#define MYSWAP
2826#define htons my_swap
2827#define htonl my_htonl
2828#define ntohs my_swap
2829#define ntohl my_ntohl
2830#endif
2831#else
d9d8d8de 2832#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2833#undef HAS_HTONS
2834#undef HAS_HTONL
2835#undef HAS_NTOHS
2836#undef HAS_NTOHL
a687059c
LW
2837#endif
2838#endif
2839
988174c1
LW
2840/*
2841 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2842 * -DWS
2843 */
2844#if BYTEORDER != 0x1234
2845# define HAS_VTOHL
2846# define HAS_VTOHS
2847# define HAS_HTOVL
2848# define HAS_HTOVS
c67712b2 2849# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2850# define vtohl(x) ((((x)&0xFF)<<24) \
2851 +(((x)>>24)&0xFF) \
2852 +(((x)&0x0000FF00)<<8) \
2853 +(((x)&0x00FF0000)>>8) )
2854# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2855# define htovl(x) vtohl(x)
2856# define htovs(x) vtohs(x)
2857# endif
2858 /* otherwise default to functions in util.c */
2a8c3029 2859#ifndef htovs
c623ac67
GS
2860short htovs(short n);
2861short vtohs(short n);
2862long htovl(long n);
2863long vtohl(long n);
988174c1 2864#endif
2a8c3029 2865#endif
988174c1 2866
3bb7c1b4
JH
2867/* *MAX Plus 1. A floating point value.
2868 Hopefully expressed in a way that dodgy floating point can't mess up.
2869 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2870 is added to it
2871 May find that some broken compiler will want the value cast to I32.
2872 [after the shift, as signed >> may not be as secure as unsigned >>]
2873*/
2874#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2875#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2876/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2877 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2878 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2879*/
2880#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2881
3bb7c1b4
JH
2882#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2883#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2884#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2885
2886/* This may look like unnecessary jumping through hoops, but converting
2887 out of range floating point values to integers *is* undefined behaviour,
2888 and it is starting to bite.
2889*/
2890#ifndef CAST_INLINE
65202027 2891#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2892#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2893#define I_V(what) (cast_iv((NV)(what)))
2894#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2895#else
2896#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2897 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2898 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2899#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2900 : ((n) < U32_MAX_P1 ? (U32) (n) \
2901 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2902#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2903 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2904 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2905#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2906 : ((n) < UV_MAX_P1 ? (UV) (n) \
2907 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2908#endif
2909
2910#define U_S(what) ((U16)U_32(what))
2911#define U_I(what) ((unsigned int)U_32(what))
2912#define U_L(what) U_32(what)
ed6116ce 2913
2d4389e4
JH
2914/* These do not care about the fractional part, only about the range. */
2915#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2916#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2917
25da4f38
IZ
2918/* Used with UV/IV arguments: */
2919 /* XXXX: need to speed it up */
2920#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2921#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2922
352d5a3a
LW
2923#ifndef MAXSYSFD
2924# define MAXSYSFD 2
2925#endif
ee0007ab 2926
79072805 2927#ifndef __cplusplus
27da23d5 2928#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
2929Uid_t getuid (void);
2930Uid_t geteuid (void);
2931Gid_t getgid (void);
2932Gid_t getegid (void);
79072805 2933#endif
e1caacb4 2934#endif
8d063cd8 2935
0c30d9ec 2936#ifndef Perl_debug_log
bf49b057
GS
2937# define Perl_debug_log PerlIO_stderr()
2938#endif
2939
2940#ifndef Perl_error_log
2941# define Perl_error_log (PL_stderrgv \
6b78add2 2942 && isGV(PL_stderrgv) \
01bb7c6d 2943 && GvIOp(PL_stderrgv) \
42de951c 2944 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2945 ? IoOFP(GvIOp(PL_stderrgv)) \
2946 : PerlIO_stderr())
0c30d9ec 2947#endif
3967c732 2948
aea4f609
DM
2949
2950#define DEBUG_p_FLAG 0x00000001 /* 1 */
2951#define DEBUG_s_FLAG 0x00000002 /* 2 */
2952#define DEBUG_l_FLAG 0x00000004 /* 4 */
2953#define DEBUG_t_FLAG 0x00000008 /* 8 */
2954#define DEBUG_o_FLAG 0x00000010 /* 16 */
2955#define DEBUG_c_FLAG 0x00000020 /* 32 */
2956#define DEBUG_P_FLAG 0x00000040 /* 64 */
2957#define DEBUG_m_FLAG 0x00000080 /* 128 */
2958#define DEBUG_f_FLAG 0x00000100 /* 256 */
2959#define DEBUG_r_FLAG 0x00000200 /* 512 */
2960#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2961#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2962 /* spare */
aea4f609
DM
2963#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2964#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2965#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2966#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2967#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2968#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2969#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2970#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2971#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2972#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2973#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2974#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
2975
2976#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2977#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2978 that something was done? */
aea4f609 2979
bd16a5f0
IZ
2980# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2981# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2982# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2983# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2984# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2985# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2986# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2987# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2988# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2989# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2990# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2991# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2992# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2993# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2994# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2995# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2996# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2997# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2998# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2999# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3000# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3001# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3002# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3003# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3004
3967c732 3005#ifdef DEBUGGING
aea4f609 3006
bd16a5f0
IZ
3007# define DEBUG_p_TEST DEBUG_p_TEST_
3008# define DEBUG_s_TEST DEBUG_s_TEST_
3009# define DEBUG_l_TEST DEBUG_l_TEST_
3010# define DEBUG_t_TEST DEBUG_t_TEST_
3011# define DEBUG_o_TEST DEBUG_o_TEST_
3012# define DEBUG_c_TEST DEBUG_c_TEST_
3013# define DEBUG_P_TEST DEBUG_P_TEST_
3014# define DEBUG_m_TEST DEBUG_m_TEST_
3015# define DEBUG_f_TEST DEBUG_f_TEST_
3016# define DEBUG_r_TEST DEBUG_r_TEST_
3017# define DEBUG_x_TEST DEBUG_x_TEST_
3018# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
3019# define DEBUG_H_TEST DEBUG_H_TEST_
3020# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3021# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3022# define DEBUG_D_TEST DEBUG_D_TEST_
3023# define DEBUG_S_TEST DEBUG_S_TEST_
3024# define DEBUG_T_TEST DEBUG_T_TEST_
3025# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3026# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3027# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3028# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3029# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3030# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3031
488b0c7a
JH
3032# define PERL_DEB(a) a
3033# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3034# define DEBUG_p(a) if (DEBUG_p_TEST) a
3035# define DEBUG_s(a) if (DEBUG_s_TEST) a
3036# define DEBUG_l(a) if (DEBUG_l_TEST) a
3037# define DEBUG_t(a) if (DEBUG_t_TEST) a
3038# define DEBUG_o(a) if (DEBUG_o_TEST) a
3039# define DEBUG_c(a) if (DEBUG_c_TEST) a
3040# define DEBUG_P(a) if (DEBUG_P_TEST) a
3041
969058bb
VK
3042 /* Temporarily turn off memory debugging in case the a
3043 * does memory allocation, either directly or indirectly. */
acfe0abc 3044# define DEBUG_m(a) \
0b250b9e 3045 STMT_START { \
aea4f609 3046 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3047 } STMT_END
aea4f609 3048
5f80b19c
AMS
3049# define DEBUG__(t, a) \
3050 STMT_START { \
3051 if (t) STMT_START {a;} STMT_END; \
3052 } STMT_END
3053
3054# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3055# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3056# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3057# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
3058# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3059# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3060# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3061# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3062
3db8f154 3063# define DEBUG_S(a)
aea4f609 3064
5f80b19c
AMS
3065# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3066# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3067# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3068# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3069# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3070# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3071
3072#else /* DEBUGGING */
3073
3074# define DEBUG_p_TEST (0)
3075# define DEBUG_s_TEST (0)
3076# define DEBUG_l_TEST (0)
3077# define DEBUG_t_TEST (0)
3078# define DEBUG_o_TEST (0)
3079# define DEBUG_c_TEST (0)
3080# define DEBUG_P_TEST (0)
3081# define DEBUG_m_TEST (0)
3082# define DEBUG_f_TEST (0)
3083# define DEBUG_r_TEST (0)
3084# define DEBUG_x_TEST (0)
3085# define DEBUG_u_TEST (0)
aea4f609
DM
3086# define DEBUG_H_TEST (0)
3087# define DEBUG_X_TEST (0)
dd2155a4 3088# define DEBUG_Xv_TEST (0)
aea4f609
DM
3089# define DEBUG_D_TEST (0)
3090# define DEBUG_S_TEST (0)
3091# define DEBUG_T_TEST (0)
04932ac8 3092# define DEBUG_R_TEST (0)
1045810a 3093# define DEBUG_J_TEST (0)
d6721266 3094# define DEBUG_v_TEST (0)
46187eeb 3095# define DEBUG_C_TEST (0)
ecae49c0
NC
3096# define DEBUG_A_TEST (0)
3097# define DEBUG_q_TEST (0)
aea4f609 3098
488b0c7a
JH
3099# define PERL_DEB(a)
3100# define PERL_DEBUG(a)
aea4f609
DM
3101# define DEBUG_p(a)
3102# define DEBUG_s(a)
3103# define DEBUG_l(a)
3104# define DEBUG_t(a)
3105# define DEBUG_o(a)
3106# define DEBUG_c(a)
3107# define DEBUG_P(a)
3108# define DEBUG_m(a)
3109# define DEBUG_f(a)
3110# define DEBUG_r(a)
3111# define DEBUG_x(a)
3112# define DEBUG_u(a)
aea4f609
DM
3113# define DEBUG_H(a)
3114# define DEBUG_X(a)
dd2155a4 3115# define DEBUG_Xv(a)
aea4f609
DM
3116# define DEBUG_D(a)
3117# define DEBUG_S(a)
3118# define DEBUG_T(a)
04932ac8 3119# define DEBUG_R(a)
d6721266 3120# define DEBUG_v(a)
46187eeb 3121# define DEBUG_C(a)
ecae49c0
NC
3122# define DEBUG_A(a)
3123# define DEBUG_q(a)
aea4f609
DM
3124#endif /* DEBUGGING */
3125
3126
b4ab917c
DM
3127#define DEBUG_SCOPE(where) \
3128 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3129 where, PL_scopestack_ix, __FILE__, __LINE__)));
3130
3131
3132
3133
d1be9408 3134/* These constants should be used in preference to raw characters
14befaf4
DM
3135 * when using magic. Note that some perl guts still assume
3136 * certain character properties of these constants, namely that
3137 * isUPPER() and toLOWER() may do useful mappings.
3138 *
3139 * Update the magic_names table in dump.c when adding/amending these
3140 */
3141
3142#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3143#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3144#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3145#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3146#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3147#define PERL_MAGIC_regdata 'D' /* Regex match position data
3148 (@+ and @- vars) */
3149#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3150#define PERL_MAGIC_env 'E' /* %ENV hash */
3151#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3152#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3153#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3154#define PERL_MAGIC_isa 'I' /* @ISA array */
3155#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3156#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3157#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3158#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3159#define PERL_MAGIC_mutex 'm' /* for lock op */
3160#define PERL_MAGIC_shared 'N' /* Shared between threads */
3161#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3162#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3163#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3164#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3165#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3166#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3167#define PERL_MAGIC_sig 'S' /* %SIG hash */
3168#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3169#define PERL_MAGIC_taint 't' /* Taintedness */
3170#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3171#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3172#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3173#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3174#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3175#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3176#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3177 smart parameter vivification */
3178#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3179#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3180#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3181#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3182#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3183#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
14befaf4
DM
3184#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3185
3186
a6e633de 3187#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3188#define assert(what) PERL_DEB( \
3189 ((what) ? ((void) 0) : \
3190 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
3191 __FILE__, __LINE__), \
3192 PerlProc_exit(1), \
3193 (void) 0)))
a446a88f 3194#endif
8d063cd8 3195
450a55e4 3196struct ufuncs {
24f81a43
DM
3197 I32 (*uf_val)(pTHX_ IV, SV*);
3198 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3199 IV uf_index;
450a55e4
LW
3200};
3201
14befaf4 3202/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3203 * XS code wanting to be backward compatible can do something
3204 * like the following:
c745e42c 3205
24f81a43 3206#ifndef PERL_MG_UFUNC
24f81a43
DM
3207#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3208#endif
3209
3210static PERL_MG_UFUNC(foo_get, index, val)
3211{
3212 sv_setsv(val, ...);
3213 return TRUE;
3214}
3215
3216-- Doug MacEachern
3217
3218*/
3219
fc9c74e6 3220#ifndef PERL_MG_UFUNC
24f81a43 3221#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3222#endif
24f81a43 3223
fe14fcc3 3224/* Fix these up for __STDC__ */
68dc0745 3225#ifndef DONT_DECLARE_STD
20ce7b12 3226char *mktemp (char*);
37bd1396 3227#ifndef atof
20ce7b12 3228double atof (const char*);
a0d0e21e 3229#endif
37bd1396 3230#endif
79072805 3231
352d5a3a 3232#ifndef STANDARD_C
fe14fcc3 3233/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3234Time_t time();
8d063cd8 3235struct tm *gmtime(), *localtime();
092bebab 3236#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3237char *(strchr)(), *(strrchr)();
3238char *(strcpy)(), *(strcat)();
3239#else
93a17b20 3240char *strchr(), *strrchr();
378cc40b 3241char *strcpy(), *strcat();
9d116dd7 3242#endif
352d5a3a 3243#endif /* ! STANDARD_C */
8d063cd8 3244
79072805
LW
3245
3246#ifdef I_MATH
3247# include <math.h>
3248#else
32f822de 3249START_EXTERN_C
20ce7b12
GS
3250 double exp (double);
3251 double log (double);
3252 double log10 (double);
3253 double sqrt (double);
3254 double frexp (double,int*);
3255 double ldexp (double,int);
3256 double modf (double,double*);
3257 double sin (double);
3258 double cos (double);
3259 double atan2 (double,double);
3260 double pow (double,double);
32f822de 3261END_EXTERN_C
79072805
LW
3262#endif
3263
aa8b85de
JH
3264#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3265# define NV_INF LDBL_INFINITY
3266#endif
3267#if !defined(NV_INF) && defined(DBL_INFINITY)
3268# define NV_INF (NV)DBL_INFINITY
3269#endif
3270#if !defined(NV_INF) && defined(INFINITY)
3271# define NV_INF (NV)INFINITY
3272#endif
3273#if !defined(NV_INF) && defined(INF)
3274# define NV_INF (NV)INF
3275#endif
3276#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3277# define NV_INF (NV)HUGE_VALL
3278#endif
3279#if !defined(NV_INF) && defined(HUGE_VAL)
3280# define NV_INF (NV)HUGE_VAL
3281#endif
3282
3283#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3284# if !defined(NV_NAN) && defined(LDBL_NAN)
3285# define NV_NAN LDBL_NAN
3286# endif
3287# if !defined(NV_NAN) && defined(LDBL_QNAN)
3288# define NV_NAN LDBL_QNAN
3289# endif
3290# if !defined(NV_NAN) && defined(LDBL_SNAN)
3291# define NV_NAN LDBL_SNAN
3292# endif
3293#endif
3294#if !defined(NV_NAN) && defined(DBL_NAN)
3295# define NV_NAN (NV)DBL_NAN
3296#endif
3297#if !defined(NV_NAN) && defined(DBL_QNAN)
3298# define NV_NAN (NV)DBL_QNAN
3299#endif
3300#if !defined(NV_NAN) && defined(DBL_SNAN)
3301# define NV_NAN (NV)DBL_SNAN
3302#endif
3303#if !defined(NV_NAN) && defined(QNAN)
3304# define NV_NAN (NV)QNAN
3305#endif
3306#if !defined(NV_NAN) && defined(SNAN)
3307# define NV_NAN (NV)SNAN
3308#endif
3309#if !defined(NV_NAN) && defined(NAN)
3310# define NV_NAN (NV)NAN
3311#endif
3312
a0d0e21e 3313#ifndef __cplusplus
8f1f23e8 3314# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3315char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3316# else
fd8cd3a3 3317# if !defined(WIN32) && !defined(VMS)
10bc17b6 3318#ifndef crypt
20ce7b12 3319char *crypt (const char*, const char*);
10bc17b6 3320#endif
5014db98 3321# endif /* !WIN32 */
8f1f23e8 3322# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3323# ifndef DONT_DECLARE_STD
3324# ifndef getenv
20ce7b12 3325char *getenv (const char*);
26618a56 3326# endif /* !getenv */
28ca6303 3327# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3328# ifdef _FILE_OFFSET_BITS
28ca6303 3329# if _FILE_OFFSET_BITS == 64
20ce7b12 3330Off_t lseek (int,Off_t,int);
0fc67700
JH
3331# endif
3332# endif
bf0c440f 3333# endif
26618a56 3334# endif /* !DONT_DECLARE_STD */
10bc17b6 3335#ifndef getlogin
20ce7b12 3336char *getlogin (void);
10bc17b6 3337#endif
26618a56 3338#endif /* !__cplusplus */
79072805 3339
16d20bd9 3340#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3341#define UNLINK unlnk
20ce7b12 3342I32 unlnk (char*);
8d063cd8 3343#else
80252599 3344#define UNLINK PerlLIO_unlink
8d063cd8 3345#endif
a687059c 3346
fa0a29af
JH
3347/* some versions of glibc are missing the setresuid() proto */
3348#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
3349int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3350#endif
fa0a29af
JH
3351/* some versions of glibc are missing the setresgid() proto */
3352#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
3353int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3354#endif
3355
fe14fcc3 3356#ifndef HAS_SETREUID
85e6fe83
LW
3357# ifdef HAS_SETRESUID
3358# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3359# define HAS_SETREUID
3360# endif
a687059c 3361#endif
fe14fcc3 3362#ifndef HAS_SETREGID
85e6fe83
LW
3363# ifdef HAS_SETRESGID
3364# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3365# define HAS_SETREGID
3366# endif
a687059c 3367#endif
ee0007ab 3368
d543acb6 3369/* Sighandler_t defined in iperlsys.h */
ff68c719 3370
3371#ifdef HAS_SIGACTION
3372typedef struct sigaction Sigsave_t;
3373#else
3374typedef Sighandler_t Sigsave_t;
3375#endif
3376
ee0007ab
LW
3377#define SCAN_DEF 0
3378#define SCAN_TR 1
3379#define SCAN_REPL 2
79072805
LW
3380
3381#ifdef DEBUGGING
4633a7c4 3382# ifndef register
a0d0e21e
LW
3383# define register
3384# endif
cea2e8a9 3385# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3386#else
cea2e8a9 3387# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
3388#endif
3389
18f739ee 3390#ifdef MYMALLOC
772fe5b3 3391# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
3392# define MALLOC_INIT \
3393 STMT_START { \
3394 PL_malloc_mutex = NULL; \
3395 MUTEX_INIT(&PL_malloc_mutex); \
3396 } STMT_END
3397# define MALLOC_TERM \
3398 STMT_START { \
3399 perl_mutex tmp = PL_malloc_mutex; \
3400 PL_malloc_mutex = NULL; \
3401 MUTEX_DESTROY(&tmp); \
3402 } STMT_END
3403# else
3404# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3405# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3406# endif
18f739ee
IZ
3407#else
3408# define MALLOC_INIT
3409# define MALLOC_TERM
3410#endif
3411
b6d9d515 3412
0cb96387 3413typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3414typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3415typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3416typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3417
940cb80d 3418/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3419#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3420
8f1f23e8
W
3421/* NeXT has problems with crt0.o globals */
3422#if defined(__DYNAMIC__) && \
6239f2da 3423 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W
3424# if defined(NeXT) || defined(__NeXT)
3425# include <mach-o/dyld.h>
3426# define environ (*environ_pointer)
0c30d9ec 3427EXT char *** environ_pointer;
8f1f23e8 3428# else
6239f2da 3429# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W
3430# include <crt_externs.h> /* for the env array */
3431# define environ (*_NSGetEnviron())
3432# endif
0c30d9ec 3433# endif
8f1f23e8
W
3434#else
3435 /* VMS and some other platforms don't use the environ array */
13b6e58c 3436# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
3437# if !defined(DONT_DECLARE_STD) || \
3438 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3439 defined(__sgi) || \
d460ef45 3440 defined(__DGUX)
8f1f23e8 3441extern char ** environ; /* environment variables supplied via exec */
a6c40364 3442# endif
8f1f23e8
W
3443# endif
3444#endif
79072805 3445
73c4f7a1
GS
3446START_EXTERN_C
3447
79072805 3448/* handy constants */
22c35a8c 3449EXTCONST char PL_warn_uninit[]
29489e7c 3450 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3451EXTCONST char PL_warn_nosemi[]
463ee0b2 3452 INIT("Semicolon seems to be missing");
22c35a8c 3453EXTCONST char PL_warn_reserved[]
463ee0b2 3454 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3455EXTCONST char PL_warn_nl[]
93a17b20 3456 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3457EXTCONST char PL_no_wrongref[]
a0d0e21e 3458 INIT("Can't use %s ref as %s ref");
22c35a8c 3459EXTCONST char PL_no_symref[]
748a9306 3460 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3461EXTCONST char PL_no_symref_sv[]
014ead4b 3462 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3463EXTCONST char PL_no_usym[]
8990e307 3464 INIT("Can't use an undefined value as %s reference");
22c35a8c 3465EXTCONST char PL_no_aelem[]
93a17b20 3466 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC
3467EXTCONST char PL_no_helem_sv[]
3468 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3469EXTCONST char PL_no_modify[]
93a17b20 3470 INIT("Modification of a read-only value attempted");
22c35a8c 3471EXTCONST char PL_no_mem[]
93a17b20 3472 INIT("Out of memory!\n");
22c35a8c 3473EXTCONST char PL_no_security[]
463ee0b2 3474 INIT("Insecure dependency in %s%s");
22c35a8c 3475EXTCONST char PL_no_sock_func[]
93a17b20 3476 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3477EXTCONST char PL_no_dir_func[]
93a17b20 3478 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3479EXTCONST char PL_no_func[]
93a17b20 3480 INIT("The %s function is unimplemented");
22c35a8c 3481EXTCONST char PL_no_myglob[]
748a9306 3482 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
3483EXTCONST char PL_no_localize_ref[]
3484 INIT("Can't localize through a reference");
27d5b266
JH
3485#ifdef PERL_MALLOC_WRAP
3486EXTCONST char PL_memory_wrap[]
3487 INIT("panic: memory wrap");
3488#endif
93a17b20 3489
7575fa06 3490EXTCONST char PL_uuemap[65]
80252599
GS
3491 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3492
3493
79072805 3494#ifdef DOINIT
27da23d5
JH
3495EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3496EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3497#else
27da23d5
JH
3498EXTCONST char* const PL_sig_name[];
3499EXTCONST int PL_sig_num[];
79072805
LW
3500#endif
3501
3bd709b1 3502/* fast conversion and case folding tables */
bbce6d69 3503
79072805 3504#ifdef DOINIT
9d116dd7 3505#ifdef EBCDIC
27da23d5 3506EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3507 0, 1, 2, 3, 4, 5, 6, 7,
3508 8, 9, 10, 11, 12, 13, 14, 15,
3509 16, 17, 18, 19, 20, 21, 22, 23,
3510 24, 25, 26, 27, 28, 29, 30, 31,
3511 32, 33, 34, 35, 36, 37, 38, 39,
3512 40, 41, 42, 43, 44, 45, 46, 47,
3513 48, 49, 50, 51, 52, 53, 54, 55,
3514 56, 57, 58, 59, 60, 61, 62, 63,
3515 64, 65, 66, 67, 68, 69, 70, 71,
3516 72, 73, 74, 75, 76, 77, 78, 79,
3517 80, 81, 82, 83, 84, 85, 86, 87,
3518 88, 89, 90, 91, 92, 93, 94, 95,
3519 96, 97, 98, 99, 100, 101, 102, 103,
3520 104, 105, 106, 107, 108, 109, 110, 111,
3521 112, 113, 114, 115, 116, 117, 118, 119,
3522 120, 121, 122, 123, 124, 125, 126, 127,
3523 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3524 'H', 'I', 138, 139, 140, 141, 142, 143,
3525 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3526 'Q', 'R', 154, 155, 156, 157, 158, 159,
3527 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3528 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3529 176, 177, 178, 179, 180, 181, 182, 183,
3530 184, 185, 186, 187, 188, 189, 190, 191,
3531 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3532 'h', 'i', 202, 203, 204, 205, 206, 207,
3533 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3534 'q', 'r', 218, 219, 220, 221, 222, 223,
3535 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3536 'y', 'z', 234, 235, 236, 237, 238, 239,
3537 240, 241, 242, 243, 244, 245, 246, 247,
3538 248, 249, 250, 251, 252, 253, 254, 255
3539};
3540#else /* ascii rather than ebcdic */
22c35a8c 3541EXTCONST unsigned char PL_fold[] = {
79072805
LW
3542 0, 1, 2, 3, 4, 5, 6, 7,
3543 8, 9, 10, 11, 12, 13, 14, 15,
3544 16, 17, 18, 19, 20, 21, 22, 23,
3545 24, 25, 26, 27, 28, 29, 30, 31,
3546 32, 33, 34, 35, 36, 37, 38, 39,
3547 40, 41, 42, 43, 44, 45, 46, 47,
3548 48, 49, 50, 51, 52, 53, 54, 55,
3549 56, 57, 58, 59, 60, 61, 62, 63,
3550 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3551 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3552 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3553 'x', 'y', 'z', 91, 92, 93, 94, 95,
3554 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3555 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3556 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3557 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3558 128, 129, 130, 131, 132, 133, 134, 135,
3559 136, 137, 138, 139, 140, 141, 142, 143,
3560 144, 145, 146, 147, 148, 149, 150, 151,
3561 152, 153, 154, 155, 156, 157, 158, 159,
3562 160, 161, 162, 163, 164, 165, 166, 167,
3563 168, 169, 170, 171, 172, 173, 174, 175,
3564 176, 177, 178, 179, 180, 181, 182, 183,
3565 184, 185, 186, 187, 188, 189, 190, 191,
3566 192, 193, 194, 195, 196, 197, 198, 199,
3567 200, 201, 202, 203, 204, 205, 206, 207,
3568 208, 209, 210, 211, 212, 213, 214, 215,
3569 216, 217, 218, 219, 220, 221, 222, 223,
3570 224, 225, 226, 227, 228, 229, 230, 231,
3571 232, 233, 234, 235, 236, 237, 238, 239,
3572 240, 241, 242, 243, 244, 245, 246, 247,
3573 248, 249, 250, 251, 252, 253, 254, 255
3574};
9d116dd7 3575#endif /* !EBCDIC */
79072805 3576#else
22c35a8c 3577EXTCONST unsigned char PL_fold[];
79072805
LW
3578#endif
3579
27da23d5 3580#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3581#ifdef DOINIT
27da23d5 3582EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW
3583 0, 1, 2, 3, 4, 5, 6, 7,
3584 8, 9, 10, 11, 12, 13, 14, 15,
3585 16, 17, 18, 19, 20, 21, 22, 23,
3586 24, 25, 26, 27, 28, 29, 30, 31,
3587 32, 33, 34, 35, 36, 37, 38, 39,
3588 40, 41, 42, 43, 44, 45, 46, 47,
3589 48, 49, 50, 51, 52, 53, 54, 55,
3590 56, 57, 58, 59, 60, 61, 62, 63,
3591 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3592 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3593 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3594 'x', 'y', 'z', 91, 92, 93, 94, 95,
3595 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3596 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3597 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3598 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3599 128, 129, 130, 131, 132, 133, 134, 135,
3600 136, 137, 138, 139, 140, 141, 142, 143,
3601 144, 145, 146, 147, 148, 149, 150, 151,
3602 152, 153, 154, 155, 156, 157, 158, 159,
3603 160, 161, 162, 163, 164, 165, 166, 167,
3604 168, 169, 170, 171, 172, 173, 174, 175,
3605 176, 177, 178, 179, 180, 181, 182, 183,
3606 184, 185, 186, 187, 188, 189, 190, 191,
3607 192, 193, 194, 195, 196, 197, 198, 199,
3608 200, 201, 202, 203, 204, 205, 206, 207,
3609 208, 209, 210, 211, 212, 213, 214, 215,
3610 216, 217, 218, 219, 220, 221, 222, 223,
3611 224, 225, 226, 227, 228, 229, 230, 231,
3612 232, 233, 234, 235, 236, 237, 238, 239,
3613 240, 241, 242, 243, 244, 245, 246, 247,
3614 248, 249, 250, 251, 252, 253, 254, 255
3615};
3616#else
27da23d5 3617EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3618#endif
27da23d5 3619#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW
3620
3621#ifdef DOINIT
9d116dd7 3622#ifdef EBCDIC
27da23d5 3623EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3624 1, 2, 84, 151, 154, 155, 156, 157,
3625 165, 246, 250, 3, 158, 7, 18, 29,
3626 40, 51, 62, 73, 85, 96, 107, 118,
3627 129, 140, 147, 148, 149, 150, 152, 153,
3628 255, 6, 8, 9, 10, 11, 12, 13,
3629 14, 15, 24, 25, 26, 27, 28, 226,
3630 29, 30, 31, 32, 33, 43, 44, 45,
3631 46, 47, 48, 49, 50, 76, 77, 78,
3632 79, 80, 81, 82, 83, 84, 85, 86,
3633 87, 94, 95, 234, 181, 233, 187, 190,
3634 180, 96, 97, 98, 99, 100, 101, 102,
3635 104, 112, 182, 174, 236, 232, 229, 103,
3636 228, 226, 114, 115, 116, 117, 118, 119,
3637 120, 121, 122, 235, 176, 230, 194, 162,
3638 130, 131, 132, 133, 134, 135, 136, 137,
3639 138, 139, 201, 205, 163, 217, 220, 224,
3640 5, 248, 227, 244, 242, 255, 241, 231,
3641 240, 253, 16, 197, 19, 20, 21, 187,
3642 23, 169, 210, 245, 237, 249, 247, 239,
3643 168, 252, 34, 196, 36, 37, 38, 39,
3644 41, 42, 251, 254, 238, 223, 221, 213,
3645 225, 177, 52, 53, 54, 55, 56, 57,
3646 58, 59, 60, 61, 63, 64, 65, 66,
3647 67, 68, 69, 70, 71, 72, 74, 75,
3648 205, 208, 186, 202, 200, 218, 198, 179,
3649 178, 214, 88, 89, 90, 91, 92, 93,
3650 217, 166, 170, 207, 199, 209, 206, 204,
3651 160, 212, 105, 106, 108, 109, 110, 111,
3652 203, 113, 216, 215, 192, 175, 193, 243,
3653 172, 161, 123, 124, 125, 126, 127, 128,
3654 222, 219, 211, 195, 188, 193, 185, 184,
3655 191, 183, 141, 142, 143, 144, 145, 146
3656};
3657#else /* ascii rather than ebcdic */
22c35a8c 3658EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3659 1, 2, 84, 151, 154, 155, 156, 157,
3660 165, 246, 250, 3, 158, 7, 18, 29,
3661 40, 51, 62, 73, 85, 96, 107, 118,
3662 129, 140, 147, 148, 149, 150, 152, 153,
3663 255, 182, 224, 205, 174, 176, 180, 217,
3664 233, 232, 236, 187, 235, 228, 234, 226,
3665 222, 219, 211, 195, 188, 193, 185, 184,
3666 191, 183, 201, 229, 181, 220, 194, 162,
3667 163, 208, 186, 202, 200, 218, 198, 179,
3668 178, 214, 166, 170, 207, 199, 209, 206,
3669 204, 160, 212, 216, 215, 192, 175, 173,
3670 243, 172, 161, 190, 203, 189, 164, 230,
3671 167, 248, 227, 244, 242, 255, 241, 231,
3672 240, 253, 169, 210, 245, 237, 249, 247,
3673 239, 168, 252, 251, 254, 238, 223, 221,
3674 213, 225, 177, 197, 171, 196, 159, 4,
3675 5, 6, 8, 9, 10, 11, 12, 13,
3676 14, 15, 16, 17, 19, 20, 21, 22,
3677 23, 24, 25, 26, 27, 28, 30, 31,
3678 32, 33, 34, 35, 36, 37, 38, 39,
3679 41, 42, 43, 44, 45, 46, 47, 48,
3680 49, 50, 52, 53, 54, 55, 56, 57,
3681 58, 59, 60, 61, 63, 64, 65, 66,
3682 67, 68, 69, 70, 71, 72, 74, 75,
3683 76, 77, 78, 79, 80, 81, 82, 83,
3684 86, 87, 88, 89, 90, 91, 92, 93,
3685 94, 95, 97, 98, 99, 100, 101, 102,
3686 103, 104, 105, 106, 108, 109, 110, 111,
3687 112, 113, 114, 115, 116, 117, 119, 120,
3688 121, 122, 123, 124, 125, 126, 127, 128,
3689 130, 131, 132, 133, 134, 135, 136, 137,
3690 138, 139, 141, 142, 143, 144, 145, 146
3691};
9d116dd7 3692#endif
79072805 3693#else
22c35a8c 3694EXTCONST unsigned char PL_freq[];
79072805
LW
3695#endif
3696
8990e307
LW
3697#ifdef DEBUGGING
3698#ifdef DOINIT
27da23d5 3699EXTCONST char* const PL_block_type[] = {
8990e307
LW
3700 "NULL",
3701 "SUB",
3702 "EVAL",
3703 "LOOP",
3704 "SUBST",
3705 "BLOCK",
3706};
3707#else
22c35a8c 3708EXTCONST char* PL_block_type[];
8990e307
LW
3709#endif
3710#endif
3711
73c4f7a1
GS
3712END_EXTERN_C
3713
79072805
LW
3714/*****************************************************************************/
3715/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3716/*****************************************************************************/
8990e307 3717/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3718
d4c3c482 3719#ifdef __Lynx__
9cffb111
OS
3720/* LynxOS defines these in scsi.h which is included via ioctl.h */
3721#ifdef FORMAT
3722#undef FORMAT
3723#endif
3724#ifdef SPACE
3725#undef SPACE
3726#endif
d4c3c482 3727#endif
9cffb111 3728
1fd33325
MHM
3729/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3730 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3731 * it's not really needed.
3732 */
3733#if defined(WIN32)
3734# define YYTOKENTYPE
3735#endif
a0d0e21e
LW
3736#include "perly.h"
3737
fb73857a 3738#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3739
79072805
LW
3740typedef enum {
3741 XOPERATOR,
3742 XTERM,
79072805 3743 XREF,
8990e307 3744 XSTATE,
a0d0e21e 3745 XBLOCK,
09bef843
SB
3746 XATTRBLOCK,
3747 XATTRTERM,
6f33ba73
RGS
3748 XTERMBLOCK,
3749 XTERMORDORDOR /* evil hack */
27308ded 3750 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3751} expectation;
3752
dc9e4912
GS
3753enum { /* pass one of these to get_vtbl */
3754 want_vtbl_sv,
3755 want_vtbl_env,
3756 want_vtbl_envelem,
3757 want_vtbl_sig,
3758 want_vtbl_sigelem,
3759 want_vtbl_pack,
3760 want_vtbl_packelem,
3761 want_vtbl_dbline,
3762 want_vtbl_isa,
3763 want_vtbl_isaelem,
3764 want_vtbl_arylen,
3765 want_vtbl_glob,
3766 want_vtbl_mglob,
3767 want_vtbl_nkeys,
3768 want_vtbl_taint,
3769 want_vtbl_substr,
3770 want_vtbl_vec,
3771 want_vtbl_pos,
3772 want_vtbl_bm,
3773 want_vtbl_fm,
3774 want_vtbl_uvar,
3775 want_vtbl_defelem,
3776 want_vtbl_regexp,
3777 want_vtbl_collxfrm,
3778 want_vtbl_amagic,
3779 want_vtbl_amagicelem,
dc9e4912 3780 want_vtbl_regdata,
810b8aa5 3781 want_vtbl_regdatum,
7e8c5dac 3782 want_vtbl_backref,
8d2f4536
NC
3783 want_vtbl_utf8,
3784 want_vtbl_symtab
dc9e4912
GS
3785};
3786
85e6fe83
LW
3787 /* Note: the lowest 8 bits are reserved for
3788 stuffing into op->op_private */
f3aa04c2 3789#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3790#define HINT_INTEGER 0x00000001 /* integer pragma */
3791#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3792#define HINT_LOCALE 0x00000004 /* locale pragma */
3793#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3794/* #define HINT_notused10 0x00000010 */
a0ed51b3 3795 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3796 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3797
3798#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3799#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3800#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3801
9cfe5470 3802/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3803#define HINT_NEW_INTEGER 0x00001000
3804#define HINT_NEW_FLOAT 0x00002000
3805#define HINT_NEW_BINARY 0x00004000
3806#define HINT_NEW_STRING 0x00008000
3807#define HINT_NEW_RE 0x00010000
3808#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3809
9cfe5470
RGS
3810#define HINT_RE_TAINT 0x00100000 /* re pragma */
3811#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3812
9cfe5470
RGS
3813#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3814#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3815
8fa7688f 3816/* assertions pragma */
06492da6 3817#define HINT_ASSERTING 0x01000000
8fa7688f 3818#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3819
9cfe5470 3820/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH
3821#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3822#define HINT_SORT_QUICKSORT 0x00000001
3823#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3824#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3825
8bfdd7d9 3826/* Various states of the input record separator SV (rs) */
d4cce5f1 3827#define RsSNARF(sv) (! SvOK(sv))