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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
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37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
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44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
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47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
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51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
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58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
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62# define MULTIPLICITY
63# endif
64#endif
65
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66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
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72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
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78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
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84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
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97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
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104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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114# define USE_REENTRANT_API
115#endif
116
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117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
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120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
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122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
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130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
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145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
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153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
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163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
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172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
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175# define pTHX_5 6
176# define pTHX_6 7
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177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
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180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
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185#endif
186
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187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
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192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
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198
199#define CALLREGCOMP(exp, xend, pm) Perl_pregcomp(aTHX_ exp,xend,pm)
200
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201#define CALLREGCOMP_ENG(prog, exp, xend, pm) \
202 CALL_FPTR(((prog)->comp))(aTHX_ exp, xend, pm)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
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205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
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208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f9f4320a 211#define CALLREGFREE(prog) \
f2f78491 212 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
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213#define CALLREG_AS_STR(mg,lp,flags,haseval) \
214 CALL_FPTR(((regexp *)((mg)->mg_obj))->engine->as_str)(aTHX_ (mg), (lp), (flags), (haseval))
215#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
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216#if defined(USE_ITHREADS)
217#define CALLREGDUPE(prog,param) \
f2f78491 218 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
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219 : (REGEXP *)NULL)
220#endif
14dd3ad8 221
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222/*
223 * Because of backward compatibility reasons the PERL_UNUSED_DECL
224 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
225 *
226 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 227 * which do not have an "inlined" way (like the gcc __attribute__) of
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228 * marking unused variables (they need e.g. a #pragma) and therefore
229 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
230 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
231 *
232 */
1266ad8c 233
9969cdde 234#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 235# ifdef __cplusplus
5ba4cab2 236# define PERL_UNUSED_DECL
5b2bd0a5 237# else
5ba4cab2 238# define PERL_UNUSED_DECL __attribute__((unused))
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239# endif
240#endif
44dbb695 241
5b2bd0a5 242#ifndef PERL_UNUSED_DECL
34659ad4 243# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 244# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 245# else
5ba4cab2 246# define PERL_UNUSED_DECL
b79c357a 247# endif
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248#endif
249
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250/* gcc -Wall:
251 * for silencing unused variables that are actually used most of the time,
a0288114 252 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 253 */
53c1dcc0 254#ifndef PERL_UNUSED_ARG
c99ffe5e 255# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 256# include <note.h>
53c1dcc0 257# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 258# else
53c1dcc0 259# define PERL_UNUSED_ARG(x) ((void)x)
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260# endif
261#endif
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262#ifndef PERL_UNUSED_VAR
263# define PERL_UNUSED_VAR(x) ((void)x)
264#endif
ad73156c 265
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266#ifdef USE_ITHREADS
267# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
268#else
269# define PERL_UNUSED_CONTEXT
270#endif
271
6f207bd3 272#define NOOP /*EMPTY*/(void)0
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273#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
274#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
275#else
6f207bd3 276#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 277#endif
71be2cbc 278
0cb96387 279#ifndef pTHX
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280/* Don't bother defining tTHX and sTHX; using them outside
281 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
282 */
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283# define pTHX void
284# define pTHX_
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285# define aTHX
286# define aTHX_
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287# define dTHXa(a) dNOOP
288# define dTHX dNOOP
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289# define pTHX_1 1
290# define pTHX_2 2
291# define pTHX_3 3
292# define pTHX_4 4
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293# define pTHX_5 5
294# define pTHX_6 6
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295# define pTHX_7 7
296# define pTHX_8 8
297# define pTHX_9 9
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298#endif
299
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300#ifndef dVAR
301# define dVAR dNOOP
302#endif
303
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304/* these are only defined for compatibility; should not be used internally */
305#if !defined(pTHXo) && !defined(PERL_CORE)
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306# define pTHXo pTHX
307# define pTHXo_ pTHX_
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308# define aTHXo aTHX
309# define aTHXo_ aTHX_
c5be433b 310# define dTHXo dTHX
71d280e3 311# define dTHXoa(x) dTHXa(x)
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312#endif
313
314#ifndef pTHXx
315# define pTHXx register PerlInterpreter *my_perl
316# define pTHXx_ pTHXx,
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317# define aTHXx my_perl
318# define aTHXx_ aTHXx,
c5be433b 319# define dTHXx dTHX
22c35a8c 320#endif
71be2cbc 321
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322/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
323 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
324 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
325#ifdef PERL_IMPLICIT_SYS
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326# ifdef PERL_GLOBAL_STRUCT_PRIVATE
327# define dTHXs dVAR; dTHX
328# else
329# define dTHXs dTHX
330# endif
1de7c2ac 331#else
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332# ifdef PERL_GLOBAL_STRUCT_PRIVATE
333# define dTHXs dVAR
334# else
335# define dTHXs dNOOP
336# endif
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337#endif
338
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339#undef START_EXTERN_C
340#undef END_EXTERN_C
341#undef EXTERN_C
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342#ifdef __cplusplus
343# define START_EXTERN_C extern "C" {
344# define END_EXTERN_C }
345# define EXTERN_C extern "C"
346#else
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347# define START_EXTERN_C
348# define END_EXTERN_C
73c4f7a1 349# define EXTERN_C extern
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350#endif
351
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352/* Some platforms require marking function declarations
353 * for them to be exportable. Used in perlio.h, proto.h
354 * is handled either by the makedef.pl or by defining the
355 * PERL_CALLCONV to be something special. See also the
356 * definition of XS() in XSUB.h. */
357#ifndef PERL_EXPORT_C
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358# ifdef __cplusplus
359# define PERL_EXPORT_C extern "C"
360# else
361# define PERL_EXPORT_C extern
362# endif
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363#endif
364#ifndef PERL_XS_EXPORT_C
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365# ifdef __cplusplus
366# define PERL_XS_EXPORT_C extern "C"
367# else
368# define PERL_XS_EXPORT_C
369# endif
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370#endif
371
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372#ifdef OP_IN_REGISTER
373# ifdef __GNUC__
374# define stringify_immed(s) #s
375# define stringify(s) stringify_immed(s)
d1ca3daa 376register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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377# endif
378#endif
379
e5afc1ae 380/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
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381 * g++ allows them but seems to have problems with them
382 * (insane errors ensue). */
383#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 384# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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385# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
386# endif
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387#endif
388
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389#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
390# ifndef PERL_USE_GCC_BRACE_GROUPS
391# define PERL_USE_GCC_BRACE_GROUPS
392# endif
393#endif
394
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395/*
396 * STMT_START { statements; } STMT_END;
397 * can be used as a single statement, as in
398 * if (x) STMT_START { ... } STMT_END; else ...
399 *
400 * Trying to select a version that gives no warnings...
401 */
402#if !(defined(STMT_START) && defined(STMT_END))
5b692037 403# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 404# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
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PP
405# define STMT_END )
406# else
407 /* Now which other defined()s do we need here ??? */
93189314 408# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
409# define STMT_START if (1)
410# define STMT_END else (void)0
411# else
412# define STMT_START do
413# define STMT_END while (0)
414# endif
415# endif
416#endif
417
0cb96387 418#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 419#define WITH_THR(s) WITH_THX(s)
ea0efc06 420
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421#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
422# define BYTEORDER 0x1234
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423#endif
424
425/* Overall memory policy? */
426#ifndef CONSERVATIVE
427# define LIBERAL 1
428#endif
429
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430#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
431#define ASCIIish
432#else
433#undef ASCIIish
434#endif
435
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436/*
437 * The following contortions are brought to you on behalf of all the
438 * standards, semi-standards, de facto standards, not-so-de-facto standards
439 * of the world, as well as all the other botches anyone ever thought of.
440 * The basic theory is that if we work hard enough here, the rest of the
441 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
442 */
ac58e20f 443
ee0007ab 444/* define this once if either system, instead of cluttering up the src */
2986a63f 445#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
446#define DOSISH 1
447#endif
448
fb38d079 449#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
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LW
450# define STANDARD_C 1
451#endif
452
9969cdde 453#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
454# define DONT_DECLARE_STD 1
455#endif
456
352d5a3a 457#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 458# ifdef __cplusplus
cb69f87a 459# define VOL /* to temporarily suppress warnings */
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460# else
461# define VOL volatile
462# endif
663a0e37 463#else
79072805 464# define VOL
663a0e37
LW
465#endif
466
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467#define TAINT (PL_tainted = TRUE)
468#define TAINT_NOT (PL_tainted = FALSE)
469#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
470#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 471#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 472
d460ef45 473/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
474 defines move there? If so, I could simplify this a lot. --AD 9/96.
475*/
476/* Process group stuff changed from traditional BSD to POSIX.
477 perlfunc.pod documents the traditional BSD-style syntax, so we'll
478 try to preserve that, if possible.
479*/
480#ifdef HAS_SETPGID
481# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 482#else
a6e633de
PP
483# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
484# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
485# else
486# ifdef HAS_SETPGRP2 /* DG/UX */
487# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
488# endif
489# endif
490#endif
491#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
492# define HAS_SETPGRP /* Well, effectively it does . . . */
493#endif
494
495/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
496 our life easier :-) so we'll try it.
497*/
498#ifdef HAS_GETPGID
499# define BSD_GETPGRP(pid) getpgid((pid))
500#else
501# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
502# define BSD_GETPGRP(pid) getpgrp((pid))
503# else
504# ifdef HAS_GETPGRP2 /* DG/UX */
505# define BSD_GETPGRP(pid) getpgrp2((pid))
506# endif
507# endif
508#endif
509#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
510# define HAS_GETPGRP /* Well, effectively it does . . . */
511#endif
512
d460ef45 513/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
514 have different behaviors, but perl.h used to define USE_BSDPGRP
515 (prior to 5.003_05) so some extension might depend on it.
516*/
517#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
518# ifndef USE_BSDPGRP
519# define USE_BSDPGRP
520# endif
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LW
521#endif
522
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MH
523/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
524 pthread.h must be included before all other header files.
525*/
3db8f154 526#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
527# include <pthread.h>
528#endif
529
760ac839
LW
530#ifndef _TYPES_ /* If types.h defines this it's easy. */
531# ifndef major /* Does everyone's types.h define this? */
532# include <sys/types.h>
c07a80fd 533# endif
663a0e37
LW
534#endif
535
760ac839
LW
536#ifdef __cplusplus
537# ifndef I_STDARG
538# define I_STDARG 1
539# endif
540#endif
541
542#ifdef I_STDARG
543# include <stdarg.h>
544#else
545# ifdef I_VARARGS
546# include <varargs.h>
547# endif
548#endif
549
4633a7c4 550#ifdef USE_NEXT_CTYPE
0c30d9ec 551
092bebab
JH
552#if NX_CURRENT_COMPILER_RELEASE >= 500
553# include <bsd/ctypes.h>
554#else
555# if NX_CURRENT_COMPILER_RELEASE >= 400
556# include <objc/NXCType.h>
557# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
558# include <appkit/NXCType.h>
559# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
560#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
561
562#else /* !USE_NEXT_CTYPE */
fe14fcc3 563#include <ctype.h>
0c30d9ec 564#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
565
566#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
567#undef METHOD
a0d0e21e
LW
568#endif
569
12ae5dfc
JH
570#ifdef PERL_MICRO
571# define NO_LOCALE
572#endif
573
4633a7c4 574#ifdef I_LOCALE
36477c24 575# include <locale.h>
4633a7c4
LW
576#endif
577
36477c24
PP
578#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
579# define USE_LOCALE
580# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
581 && defined(HAS_STRXFRM)
582# define USE_LOCALE_COLLATE
583# endif
584# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
585# define USE_LOCALE_CTYPE
586# endif
587# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
588# define USE_LOCALE_NUMERIC
589# endif
590#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 591
fe14fcc3 592#include <setjmp.h>
79072805 593
a0d0e21e 594#ifdef I_SYS_PARAM
79072805
LW
595# ifdef PARAM_NEEDS_TYPES
596# include <sys/types.h>
597# endif
598# include <sys/param.h>
352d5a3a 599#endif
79072805 600
79072805 601/* Use all the "standard" definitions? */
a0d0e21e 602#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 603# include <stdlib.h>
ff68c719 604#endif
03a14243 605
3f270f98
JH
606/* If this causes problems, set i_unistd=undef in the hint file. */
607#ifdef I_UNISTD
608# include <unistd.h>
609#endif
610
9969cdde 611#ifdef __SYMBIAN32__
27da23d5
JH
612# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
613#endif
614
7114a2d2 615#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 616EXTERN_C int syscall(int, ...);
2ef53570
JH
617#endif
618
7114a2d2 619#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 620EXTERN_C int usleep(unsigned int);
2ef53570
JH
621#endif
622
9a34ef1d
GS
623#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
624# define MYSWAP
625#endif
626
1109a392
MHM
627#ifdef PERL_CORE
628
629/* macros for correct constant construction */
630# if INTSIZE >= 2
631# define U16_CONST(x) ((U16)x##U)
632# else
633# define U16_CONST(x) ((U16)x##UL)
634# endif
635
636# if INTSIZE >= 4
637# define U32_CONST(x) ((U32)x##U)
638# else
639# define U32_CONST(x) ((U32)x##UL)
640# endif
641
642# ifdef HAS_QUAD
643# if INTSIZE >= 8
644# define U64_CONST(x) ((U64)x##U)
645# elif LONGSIZE >= 8
646# define U64_CONST(x) ((U64)x##UL)
647# elif QUADKIND == QUAD_IS_LONG_LONG
648# define U64_CONST(x) ((U64)x##ULL)
649# else /* best guess we can make */
650# define U64_CONST(x) ((U64)x##UL)
651# endif
652# endif
653
654/* byte-swapping functions for big-/little-endian conversion */
655# define _swab_16_(x) ((U16)( \
656 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
657 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
658
659# define _swab_32_(x) ((U32)( \
660 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
661 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
662 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
663 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
664
665# ifdef HAS_QUAD
666# define _swab_64_(x) ((U64)( \
667 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
668 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
669 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
670 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
671 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
672 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
673 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
674 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
675# endif
676
677/*----------------------------------------------------------------------------*/
678# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
679/*----------------------------------------------------------------------------*/
680# define my_htole16(x) (x)
681# define my_letoh16(x) (x)
682# define my_htole32(x) (x)
683# define my_letoh32(x) (x)
684# define my_htobe16(x) _swab_16_(x)
685# define my_betoh16(x) _swab_16_(x)
686# define my_htobe32(x) _swab_32_(x)
687# define my_betoh32(x) _swab_32_(x)
688# ifdef HAS_QUAD
689# define my_htole64(x) (x)
690# define my_letoh64(x) (x)
691# define my_htobe64(x) _swab_64_(x)
692# define my_betoh64(x) _swab_64_(x)
693# endif
694# define my_htoles(x) (x)
695# define my_letohs(x) (x)
696# define my_htolei(x) (x)
697# define my_letohi(x) (x)
698# define my_htolel(x) (x)
699# define my_letohl(x) (x)
700# if SHORTSIZE == 1
701# define my_htobes(x) (x)
702# define my_betohs(x) (x)
703# elif SHORTSIZE == 2
704# define my_htobes(x) _swab_16_(x)
705# define my_betohs(x) _swab_16_(x)
706# elif SHORTSIZE == 4
707# define my_htobes(x) _swab_32_(x)
708# define my_betohs(x) _swab_32_(x)
709# elif SHORTSIZE == 8
710# define my_htobes(x) _swab_64_(x)
711# define my_betohs(x) _swab_64_(x)
712# else
713# define PERL_NEED_MY_HTOBES
714# define PERL_NEED_MY_BETOHS
715# endif
716# if INTSIZE == 1
717# define my_htobei(x) (x)
718# define my_betohi(x) (x)
719# elif INTSIZE == 2
720# define my_htobei(x) _swab_16_(x)
721# define my_betohi(x) _swab_16_(x)
722# elif INTSIZE == 4
723# define my_htobei(x) _swab_32_(x)
724# define my_betohi(x) _swab_32_(x)
725# elif INTSIZE == 8
726# define my_htobei(x) _swab_64_(x)
727# define my_betohi(x) _swab_64_(x)
728# else
729# define PERL_NEED_MY_HTOBEI
730# define PERL_NEED_MY_BETOHI
731# endif
732# if LONGSIZE == 1
733# define my_htobel(x) (x)
734# define my_betohl(x) (x)
735# elif LONGSIZE == 2
736# define my_htobel(x) _swab_16_(x)
737# define my_betohl(x) _swab_16_(x)
738# elif LONGSIZE == 4
739# define my_htobel(x) _swab_32_(x)
740# define my_betohl(x) _swab_32_(x)
741# elif LONGSIZE == 8
742# define my_htobel(x) _swab_64_(x)
743# define my_betohl(x) _swab_64_(x)
744# else
745# define PERL_NEED_MY_HTOBEL
746# define PERL_NEED_MY_BETOHL
747# endif
748# define my_htolen(p,n) NOOP
749# define my_letohn(p,n) NOOP
750# define my_htoben(p,n) my_swabn(p,n)
751# define my_betohn(p,n) my_swabn(p,n)
752/*----------------------------------------------------------------------------*/
753# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
754/*----------------------------------------------------------------------------*/
755# define my_htobe16(x) (x)
756# define my_betoh16(x) (x)
757# define my_htobe32(x) (x)
758# define my_betoh32(x) (x)
759# define my_htole16(x) _swab_16_(x)
760# define my_letoh16(x) _swab_16_(x)
761# define my_htole32(x) _swab_32_(x)
762# define my_letoh32(x) _swab_32_(x)
763# ifdef HAS_QUAD
764# define my_htobe64(x) (x)
765# define my_betoh64(x) (x)
766# define my_htole64(x) _swab_64_(x)
767# define my_letoh64(x) _swab_64_(x)
768# endif
769# define my_htobes(x) (x)
770# define my_betohs(x) (x)
771# define my_htobei(x) (x)
772# define my_betohi(x) (x)
773# define my_htobel(x) (x)
774# define my_betohl(x) (x)
775# if SHORTSIZE == 1
776# define my_htoles(x) (x)
777# define my_letohs(x) (x)
778# elif SHORTSIZE == 2
779# define my_htoles(x) _swab_16_(x)
780# define my_letohs(x) _swab_16_(x)
781# elif SHORTSIZE == 4
782# define my_htoles(x) _swab_32_(x)
783# define my_letohs(x) _swab_32_(x)
784# elif SHORTSIZE == 8
785# define my_htoles(x) _swab_64_(x)
786# define my_letohs(x) _swab_64_(x)
787# else
788# define PERL_NEED_MY_HTOLES
789# define PERL_NEED_MY_LETOHS
790# endif
791# if INTSIZE == 1
792# define my_htolei(x) (x)
793# define my_letohi(x) (x)
794# elif INTSIZE == 2
795# define my_htolei(x) _swab_16_(x)
796# define my_letohi(x) _swab_16_(x)
797# elif INTSIZE == 4
798# define my_htolei(x) _swab_32_(x)
799# define my_letohi(x) _swab_32_(x)
800# elif INTSIZE == 8
801# define my_htolei(x) _swab_64_(x)
802# define my_letohi(x) _swab_64_(x)
803# else
804# define PERL_NEED_MY_HTOLEI
805# define PERL_NEED_MY_LETOHI
806# endif
807# if LONGSIZE == 1
808# define my_htolel(x) (x)
809# define my_letohl(x) (x)
810# elif LONGSIZE == 2
811# define my_htolel(x) _swab_16_(x)
812# define my_letohl(x) _swab_16_(x)
813# elif LONGSIZE == 4
814# define my_htolel(x) _swab_32_(x)
815# define my_letohl(x) _swab_32_(x)
816# elif LONGSIZE == 8
817# define my_htolel(x) _swab_64_(x)
818# define my_letohl(x) _swab_64_(x)
819# else
820# define PERL_NEED_MY_HTOLEL
821# define PERL_NEED_MY_LETOHL
822# endif
823# define my_htolen(p,n) my_swabn(p,n)
824# define my_letohn(p,n) my_swabn(p,n)
825# define my_htoben(p,n) NOOP
826# define my_betohn(p,n) NOOP
827/*----------------------------------------------------------------------------*/
828# else /* all other byte-orders */
829/*----------------------------------------------------------------------------*/
830# define PERL_NEED_MY_HTOLE16
831# define PERL_NEED_MY_LETOH16
832# define PERL_NEED_MY_HTOBE16
833# define PERL_NEED_MY_BETOH16
834# define PERL_NEED_MY_HTOLE32
835# define PERL_NEED_MY_LETOH32
836# define PERL_NEED_MY_HTOBE32
837# define PERL_NEED_MY_BETOH32
838# ifdef HAS_QUAD
839# define PERL_NEED_MY_HTOLE64
840# define PERL_NEED_MY_LETOH64
841# define PERL_NEED_MY_HTOBE64
842# define PERL_NEED_MY_BETOH64
843# endif
844# define PERL_NEED_MY_HTOLES
845# define PERL_NEED_MY_LETOHS
846# define PERL_NEED_MY_HTOBES
847# define PERL_NEED_MY_BETOHS
848# define PERL_NEED_MY_HTOLEI
849# define PERL_NEED_MY_LETOHI
850# define PERL_NEED_MY_HTOBEI
851# define PERL_NEED_MY_BETOHI
852# define PERL_NEED_MY_HTOLEL
853# define PERL_NEED_MY_LETOHL
854# define PERL_NEED_MY_HTOBEL
855# define PERL_NEED_MY_BETOHL
856/*----------------------------------------------------------------------------*/
857# endif /* end of byte-order macros */
858/*----------------------------------------------------------------------------*/
859
9c17f24a
NC
860/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
861 at least on FreeBSD. YMMV, so experiment. */
862#ifndef PERL_ARENA_SIZE
863#define PERL_ARENA_SIZE 4080
864#endif
865
1109a392
MHM
866#endif /* PERL_CORE */
867
bdf3085f
NC
868/* We no longer default to creating a new SV for GvSV.
869 Do this before embed. */
870#ifndef PERL_CREATE_GVSV
7459f06b
NC
871# ifndef PERL_DONT_CREATE_GVSV
872# define PERL_DONT_CREATE_GVSV
873# endif
bdf3085f
NC
874#endif
875
ca0c25f6
NC
876#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
877#define PERL_USES_PL_PIDSTATUS
878#endif
879
a62746fa
RGS
880#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
881#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
882#endif
883
66a93824
NIS
884/* Cannot include embed.h here on Win32 as win32.h has not
885 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
886 */
96e176bf 887#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 888# include "embed.h"
eb8433b7
NC
889# ifndef PERL_MAD
890# undef op_getmad
b3f24c00 891# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 892# endif
cea2e8a9
GS
893#endif
894
c31fac66
GS
895#define MEM_SIZE Size_t
896
1936d2a7
NC
897/* Round all values passed to malloc up, by default to a multiple of
898 sizeof(size_t)
899*/
900#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
901#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
902#endif
903
51371543
GS
904#if defined(STANDARD_C) && defined(I_STDDEF)
905# include <stddef.h>
906# define STRUCT_OFFSET(s,m) offsetof(s,m)
907#else
908# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
909#endif
910
9969cdde 911#ifndef __SYMBIAN32__
27da23d5
JH
912# if defined(I_STRING) || defined(__cplusplus)
913# include <string.h>
914# else
915# include <strings.h>
916# endif
51371543
GS
917#endif
918
55497cff
PP
919/* This comes after <stdlib.h> so we don't try to change the standard
920 * library prototypes; we'll use our own in proto.h instead. */
03a14243 921
4633a7c4 922#ifdef MYMALLOC
86058a2d 923# ifdef PERL_POLLUTE_MALLOC
ee13e175 924# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
925# define Perl_malloc malloc
926# define Perl_calloc calloc
927# define Perl_realloc realloc
928# define Perl_mfree free
ee13e175 929# endif
86058a2d
GS
930# else
931# define EMBEDMYMALLOC /* for compatibility */
932# endif
827e134a 933
651b9576
GS
934# define safemalloc Perl_malloc
935# define safecalloc Perl_calloc
936# define saferealloc Perl_realloc
937# define safefree Perl_mfree
22f7c9c9
JH
938# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
939 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
940 code; \
941 } STMT_END
942# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
943 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
944# define panic_write2(s) write(2, s, strlen(s))
945# define CHECK_MALLOC_TAINT(newval) \
946 CHECK_MALLOC_TOO_LATE_FOR_( \
947 if (newval) { \
948 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
949 exit(1); })
22f7c9c9 950# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 951 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
952 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
953 }} STMT_END;
f2517201
GS
954#else /* MYMALLOC */
955# define safemalloc safesysmalloc
956# define safecalloc safesyscalloc
957# define saferealloc safesysrealloc
958# define safefree safesysfree
22f7c9c9
JH
959# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
960# define CHECK_MALLOC_TAINT(newval) ((void)0)
961# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 962#endif /* MYMALLOC */
4633a7c4 963
27da23d5 964#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
965#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
966#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
967#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
968
a0d0e21e
LW
969#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
970#define strchr index
971#define strrchr rindex
972#endif
973
16d20bd9
AD
974#ifdef I_MEMORY
975# include <memory.h>
976#endif
977
fe14fcc3 978#ifdef HAS_MEMCPY
85e6fe83 979# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 980# ifndef memcpy
20ce7b12 981 extern char * memcpy (char*, char*, int);
ee0007ab
LW
982# endif
983# endif
984#else
985# ifndef memcpy
986# ifdef HAS_BCOPY
987# define memcpy(d,s,l) bcopy(s,d,l)
988# else
989# define memcpy(d,s,l) my_bcopy(s,d,l)
990# endif
991# endif
992#endif /* HAS_MEMCPY */
fe14fcc3 993
ee0007ab 994#ifdef HAS_MEMSET
85e6fe83 995# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 996# ifndef memset
20ce7b12 997 extern char *memset (char*, int, int);
ee0007ab
LW
998# endif
999# endif
ee0007ab 1000#else
12ae5dfc 1001# undef memset
fc36a67e 1002# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1003#endif /* HAS_MEMSET */
1004
85e6fe83 1005#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1006# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1007# define memmove(d,s,l) bcopy(s,d,l)
1008# else
2304df62 1009# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1010# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1011# else
79072805 1012# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1013# endif
352d5a3a 1014# endif
d9d8d8de 1015#endif
ee0007ab 1016
36477c24
PP
1017#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1018# undef HAS_MEMCMP
1019#endif
1020
1021#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1022# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1023# ifndef memcmp
20ce7b12 1024 extern int memcmp (char*, char*, int);
ee0007ab
LW
1025# endif
1026# endif
36477c24 1027# ifdef BUGGY_MSC
7e4e8c89 1028# pragma function(memcmp)
36477c24 1029# endif
ee0007ab
LW
1030#else
1031# ifndef memcmp
ecfc5424 1032# define memcmp my_memcmp
352d5a3a 1033# endif
36477c24 1034#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1035
fc36a67e 1036#ifndef memzero
c635e13b
PP
1037# ifdef HAS_MEMSET
1038# define memzero(d,l) memset(d,0,l)
79072805 1039# else
c635e13b
PP
1040# ifdef HAS_BZERO
1041# define memzero(d,l) bzero(d,l)
79072805 1042# else
fc36a67e 1043# define memzero(d,l) my_bzero(d,l)
79072805
LW
1044# endif
1045# endif
d9d8d8de 1046#endif
378cc40b 1047
2f42fcb0 1048#ifndef PERL_MICRO
0f27ced1
JH
1049#ifndef memchr
1050# ifndef HAS_MEMCHR
1051# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1052# endif
1053#endif
2f42fcb0 1054#endif
0f27ced1 1055
36477c24
PP
1056#ifndef HAS_BCMP
1057# ifndef bcmp
1058# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1059# endif
36477c24 1060#endif /* !HAS_BCMP */
378cc40b 1061
ae986130 1062#ifdef I_NETINET_IN
79072805 1063# include <netinet/in.h>
ae986130
LW
1064#endif
1065
28e8609d
JH
1066#ifdef I_ARPA_INET
1067# include <arpa/inet.h>
1068#endif
1069
84902520
TB
1070#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1071/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1072 * (the neo-BSD seem to do this). */
1073# undef SF_APPEND
1074#endif
1075
1aef975c 1076#ifdef I_SYS_STAT
84902520 1077# include <sys/stat.h>
1aef975c 1078#endif
79072805 1079
a0d0e21e
LW
1080/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1081 like UTekV) are broken, sometimes giving false positives. Undefine
1082 them here and let the code below set them to proper values.
1083
1084 The ghs macro stands for GreenHills Software C-1.8.5 which
1085 is the C compiler for sysV88 and the various derivatives.
1086 This header file bug is corrected in gcc-2.5.8 and later versions.
1087 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1088
1089#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1090# undef S_ISDIR
1091# undef S_ISCHR
1092# undef S_ISBLK
1093# undef S_ISREG
1094# undef S_ISFIFO
1095# undef S_ISLNK
ee0007ab 1096#endif
135863df 1097
663a0e37
LW
1098#ifdef I_TIME
1099# include <time.h>
ffed7fef 1100#endif
663a0e37 1101
fe14fcc3 1102#ifdef I_SYS_TIME
85e6fe83 1103# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1104# define KERNEL
1105# endif
1106# include <sys/time.h>
85e6fe83 1107# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1108# undef KERNEL
1109# endif
a687059c 1110#endif
135863df 1111
55497cff 1112#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1113# include <sys/times.h>
d9d8d8de 1114#endif
8d063cd8 1115
fe14fcc3 1116#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1117# undef HAS_STRERROR
663a0e37
LW
1118#endif
1119
1120#include <errno.h>
1e743fda 1121
acfe0abc 1122#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1123# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1124#endif
1125
8cfab5ff
JH
1126/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1127 * This is important for using IPv6.
1128 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1129 * a bad idea since it breaks send() and recv(). */
1130#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1131# define _SOCKADDR_LEN
1132#endif
1133
8d3f517a 1134#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1135# include <sys/socket.h>
1136# if defined(USE_SOCKS) && defined(I_SOCKS)
1137# if !defined(INCLUDE_PROTOTYPES)
1138# define INCLUDE_PROTOTYPES /* for <socks.h> */
1139# define PERL_SOCKS_NEED_PROTOTYPES
1140# endif
1141# include <socks.h>
1142# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1143# undef INCLUDE_PROTOTYPES
1144# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1145# endif
d460ef45 1146# endif
1e743fda 1147# ifdef I_NETDB
2986a63f
JH
1148# ifdef NETWARE
1149# include<stdio.h>
1150# endif
1e743fda
JH
1151# include <netdb.h>
1152# endif
1153# ifndef ENOTSOCK
1154# ifdef I_NET_ERRNO
1155# include <net/errno.h>
1156# endif
1157# endif
1158#endif
1159
fa0a29af 1160/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1161 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1162 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1163#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1164# if defined(__THROW) && defined(__GLIBC__)
1165int sockatmark(int) __THROW;
1166# else
2ef53570 1167int sockatmark(int);
29820b6d 1168# endif
2ef53570
JH
1169#endif
1170
7e827271 1171#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH
1172EXTERN_C int fchdir(int);
1173EXTERN_C int flock(int, int);
1174EXTERN_C int fseeko(FILE *, off_t, int);
1175EXTERN_C off_t ftello(FILE *);
1176#endif
1177
7e827271 1178#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1179EXTERN_C char *crypt(const char *, const char *);
7e827271 1180EXTERN_C char **environ;
1ccb7c8d
JH
1181#endif
1182
b91fbb93
SP
1183#if defined(__OpenBSD__) && defined(__cplusplus)
1184EXTERN_C char **environ;
1185#endif
1186
667e2948
SP
1187#if defined(__CYGWIN__) && defined(__cplusplus)
1188EXTERN_C char *crypt(const char *, const char *);
1189#endif
1190
1e743fda
JH
1191#ifdef SETERRNO
1192# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1193#endif
f86702cc
PP
1194
1195#ifdef VMS
1196# define SETERRNO(errcode,vmserrcode) \
1197 STMT_START { \
1198 set_errno(errcode); \
1199 set_vaxc_errno(vmserrcode); \
1200 } STMT_END
93189314
JH
1201# define LIB_INVARG LIB$_INVARG
1202# define RMS_DIR RMS$_DIR
1203# define RMS_FAC RMS$_FAC
1204# define RMS_FEX RMS$_FEX
1205# define RMS_FNF RMS$_FNF
1206# define RMS_IFI RMS$_IFI
1207# define RMS_ISI RMS$_ISI
1208# define RMS_PRV RMS$_PRV
1209# define SS_ACCVIO SS$_ACCVIO
1210# define SS_DEVOFFLINE SS$_DEVOFFLINE
1211# define SS_IVCHAN SS$_IVCHAN
1212# define SS_NORMAL SS$_NORMAL
748a9306 1213#else
aba27d88 1214# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1215# define LIB_INVARG 0
1216# define RMS_DIR 0
1217# define RMS_FAC 0
1218# define RMS_FEX 0
1219# define RMS_FNF 0
1220# define RMS_IFI 0
1221# define RMS_ISI 0
1222# define RMS_PRV 0
1223# define SS_ACCVIO 0
1224# define SS_DEVOFFLINE 0
1225# define SS_IVCHAN 0
1226# define SS_NORMAL 0
748a9306 1227#endif
ed6116ce 1228
3db8f154 1229#define ERRSV GvSV(PL_errgv)
e203899d
NC
1230/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1231#define DEFSV GvSVn(PL_defgv)
3db8f154 1232#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1233
98eae8f5
GS
1234#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1235
55497cff 1236#ifndef errno
5ff3f7a4
GS
1237 extern int errno; /* ANSI allows errno to be an lvalue expr.
1238 * For example in multithreaded environments
1239 * something like this might happen:
1240 * extern int *_errno(void);
1241 * #define errno (*_errno()) */
d9d8d8de 1242#endif
663a0e37 1243
2304df62 1244#ifdef HAS_STRERROR
a0d0e21e 1245# ifdef VMS
20ce7b12 1246 char *strerror (int,...);
a0d0e21e 1247# else
68dc0745 1248#ifndef DONT_DECLARE_STD
20ce7b12 1249 char *strerror (int);
68dc0745 1250#endif
a0d0e21e 1251# endif
2304df62
AD
1252# ifndef Strerror
1253# define Strerror strerror
1254# endif
1255#else
1256# ifdef HAS_SYS_ERRLIST
79072805
LW
1257 extern int sys_nerr;
1258 extern char *sys_errlist[];
2304df62
AD
1259# ifndef Strerror
1260# define Strerror(e) \
79072805 1261 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1262# endif
79072805 1263# endif
35c8bce7 1264#endif
663a0e37 1265
2304df62 1266#ifdef I_SYS_IOCTL
79072805
LW
1267# ifndef _IOCTL_
1268# include <sys/ioctl.h>
1269# endif
a687059c
LW
1270#endif
1271
ee0007ab 1272#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1273# ifdef HAS_SOCKETPAIR
1274# undef HAS_SOCKETPAIR
1275# endif
2304df62
AD
1276# ifdef I_NDBM
1277# undef I_NDBM
79072805 1278# endif
a687059c
LW
1279#endif
1280
02fc2eee
NC
1281#ifndef HAS_SOCKETPAIR
1282# ifdef HAS_SOCKET
1283# define socketpair Perl_my_socketpair
1284# endif
1285#endif
1286
a687059c 1287#if INTSIZE == 2
79072805
LW
1288# define htoni htons
1289# define ntohi ntohs
a687059c 1290#else
79072805
LW
1291# define htoni htonl
1292# define ntohi ntohl
a687059c
LW
1293#endif
1294
a0d0e21e 1295/* Configure already sets Direntry_t */
35c8bce7 1296#if defined(I_DIRENT)
663a0e37 1297# include <dirent.h>
8f1f23e8
W
1298 /* NeXT needs dirent + sys/dir.h */
1299# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1300# include <sys/dir.h>
1301# endif
ae986130 1302#else
fe14fcc3 1303# ifdef I_SYS_NDIR
79a0689e 1304# include <sys/ndir.h>
663a0e37 1305# else
fe14fcc3 1306# ifdef I_SYS_DIR
79a0689e
LW
1307# ifdef hp9000s500
1308# include <ndir.h> /* may be wrong in the future */
1309# else
1310# include <sys/dir.h>
1311# endif
663a0e37
LW
1312# endif
1313# endif
4633a7c4 1314#endif
a687059c 1315
12ae5dfc
JH
1316#ifdef PERL_MICRO
1317# ifndef DIR
1318# define DIR void
1319# endif
1320#endif
1321
352d5a3a
LW
1322#ifdef FPUTS_BOTCH
1323/* work around botch in SunOS 4.0.1 and 4.0.2 */
1324# ifndef fputs
79072805 1325# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1326# endif
1327#endif
1328
c623bd54
LW
1329/*
1330 * The following gobbledygook brought to you on behalf of __STDC__.
1331 * (I could just use #ifndef __STDC__, but this is more bulletproof
1332 * in the face of half-implementations.)
1333 */
1334
7114a2d2 1335#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1336#include <sys/mode.h>
1337#endif
1338
c623bd54
LW
1339#ifndef S_IFMT
1340# ifdef _S_IFMT
1341# define S_IFMT _S_IFMT
1342# else
1343# define S_IFMT 0170000
1344# endif
1345#endif
1346
1347#ifndef S_ISDIR
1348# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1349#endif
1350
1351#ifndef S_ISCHR
1352# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1353#endif
1354
1355#ifndef S_ISBLK
fe14fcc3
LW
1356# ifdef S_IFBLK
1357# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1358# else
1359# define S_ISBLK(m) (0)
1360# endif
c623bd54
LW
1361#endif
1362
1363#ifndef S_ISREG
1364# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1365#endif
1366
1367#ifndef S_ISFIFO
fe14fcc3
LW
1368# ifdef S_IFIFO
1369# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1370# else
1371# define S_ISFIFO(m) (0)
1372# endif
c623bd54
LW
1373#endif
1374
1375#ifndef S_ISLNK
1376# ifdef _S_ISLNK
1377# define S_ISLNK(m) _S_ISLNK(m)
1378# else
1379# ifdef _S_IFLNK
1380# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1381# else
1382# ifdef S_IFLNK
1383# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1384# else
1385# define S_ISLNK(m) (0)
1386# endif
1387# endif
1388# endif
1389#endif
1390
1391#ifndef S_ISSOCK
1392# ifdef _S_ISSOCK
1393# define S_ISSOCK(m) _S_ISSOCK(m)
1394# else
1395# ifdef _S_IFSOCK
1396# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1397# else
1398# ifdef S_IFSOCK
1399# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1400# else
1401# define S_ISSOCK(m) (0)
1402# endif
1403# endif
1404# endif
1405#endif
1406
1407#ifndef S_IRUSR
1408# ifdef S_IREAD
1409# define S_IRUSR S_IREAD
1410# define S_IWUSR S_IWRITE
1411# define S_IXUSR S_IEXEC
1412# else
1413# define S_IRUSR 0400
1414# define S_IWUSR 0200
1415# define S_IXUSR 0100
1416# endif
fac7cdfc 1417#endif
1418
1419#ifndef S_IRGRP
1420# ifdef S_IRUSR
1421# define S_IRGRP (S_IRUSR>>3)
1422# define S_IWGRP (S_IWUSR>>3)
1423# define S_IXGRP (S_IXUSR>>3)
1424# else
1425# define S_IRGRP 0040
1426# define S_IWGRP 0020
1427# define S_IXGRP 0010
1428# endif
1429#endif
1430
1431#ifndef S_IROTH
1432# ifdef S_IRUSR
1433# define S_IROTH (S_IRUSR>>6)
1434# define S_IWOTH (S_IWUSR>>6)
1435# define S_IXOTH (S_IXUSR>>6)
1436# else
1437# define S_IROTH 0040
1438# define S_IWOTH 0020
1439# define S_IXOTH 0010
1440# endif
c623bd54
LW
1441#endif
1442
1443#ifndef S_ISUID
1444# define S_ISUID 04000
1445#endif
1446
1447#ifndef S_ISGID
1448# define S_ISGID 02000
1449#endif
1450
ca6e1c26
JH
1451#ifndef S_IRWXU
1452# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1453#endif
ca6e1c26
JH
1454
1455#ifndef S_IRWXG
1456# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1457#endif
ca6e1c26
JH
1458
1459#ifndef S_IRWXO
1460# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1461#endif
ca6e1c26 1462
c21fb2b8
JH
1463/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1464 * which would get included through <sys/file.h >, but that is 3000
1465 * lines in the future. --jhi */
1466
1467#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1468# define S_IREAD S_IRUSR
1469#endif
1470
c21fb2b8 1471#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1472# define S_IWRITE S_IWUSR
1473#endif
1474
1475#ifndef S_IEXEC
1476# define S_IEXEC S_IXUSR
1477#endif
1478
79072805
LW
1479#ifdef ff_next
1480# undef ff_next
352d5a3a
LW
1481#endif
1482
a0d0e21e 1483#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1484# define SLOPPYDIVIDE
1485#endif
1486
748a9306
LW
1487#ifdef UV
1488#undef UV
1489#endif
1490
c89df6bf
JH
1491#ifdef SPRINTF_E_BUG
1492# define sprintf UTS_sprintf_wrap
1493#endif
1494
ce582cee
NC
1495/* For the times when you want the return value of sprintf, and you want it
1496 to be the length. Can't have a thread variable passed in, because C89 has
1497 no varargs macros.
1498*/
1499#ifdef SPRINTF_RETURNS_STRLEN
1500# define my_sprintf sprintf
1501#else
1502# define my_sprintf Perl_my_sprintf
1503#endif
1504
5b692037
JH
1505/*
1506 * If we have v?snprintf() and the C99 variadic macros, we can just
1507 * use just the v?snprintf(). It is nice to try to trap the buffer
1508 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1509 * gcc statement expressions, then use the function wrappers which try
1510 * to trap the overflow. If we can use the gcc statement expressions,
1511 * we can try that even with the version that uses the C99 variadic
1512 * macros.
5b692037
JH
1513 */
1514
1208b3dd
JH
1515/* Note that we do not check against snprintf()/vsnprintf() returning
1516 * negative values because that is non-standard behaviour and we use
1517 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1518 * that should be true only if the snprintf()/vsnprintf() are true
1519 * to the standard. */
1520
dfeee9b1 1521#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1522# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1523# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1524# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1525# else
1526# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1527# endif
1528#else
1529# define my_snprintf Perl_my_snprintf
1208b3dd 1530# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1531#endif
1532
dfeee9b1 1533#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1534# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1535# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1536# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1537# else
1538# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1539# endif
1540#else
1541# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1542# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1543#endif
d9fad198 1544
a6cc4119
SP
1545#ifdef HAS_STRLCAT
1546# define my_strlcat strlcat
1547#else
1548# define my_strlcat Perl_my_strlcat
1549#endif
1550
1551#ifdef HAS_STRLCPY
1552# define my_strlcpy strlcpy
1553#else
1554# define my_strlcpy Perl_my_strlcpy
1555#endif
1556
c495e728
JH
1557/* Configure gets this right but the UTS compiler gets it wrong.
1558 -- Hal Morris <hom00@utsglobal.com> */
1559#ifdef UTS
1560# undef UVTYPE
1561# define UVTYPE unsigned
1562#endif
1563
05f13f53 1564/*
27d4fb96
PP
1565 The IV type is supposed to be long enough to hold any integral
1566 value or a pointer.
1567 --Andy Dougherty August 1996
1568*/
1569
a22e52b9
JH
1570typedef IVTYPE IV;
1571typedef UVTYPE UV;
8175356b 1572
10cc9d2a 1573#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1574# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1575# define IV_MAX INT64_MAX
1576# define IV_MIN INT64_MIN
1577# define UV_MAX UINT64_MAX
cae7ae48
JH
1578# ifndef UINT64_MIN
1579# define UINT64_MIN 0
1580# endif
5ff3f7a4
GS
1581# define UV_MIN UINT64_MIN
1582# else
1583# define IV_MAX PERL_QUAD_MAX
1584# define IV_MIN PERL_QUAD_MIN
1585# define UV_MAX PERL_UQUAD_MAX
1586# define UV_MIN PERL_UQUAD_MIN
1587# endif
cf2093f6
JH
1588# define IV_IS_QUAD
1589# define UV_IS_QUAD
79072805 1590#else
8175356b 1591# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1592# define IV_MAX INT32_MAX
1593# define IV_MIN INT32_MIN
716026f9
DL
1594# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1595# define UV_MAX UINT32_MAX
1596# else
1597# define UV_MAX 4294967295U
1598# endif
cae7ae48
JH
1599# ifndef UINT32_MIN
1600# define UINT32_MIN 0
1601# endif
5ff3f7a4
GS
1602# define UV_MIN UINT32_MIN
1603# else
1604# define IV_MAX PERL_LONG_MAX
1605# define IV_MIN PERL_LONG_MIN
1606# define UV_MAX PERL_ULONG_MAX
1607# define UV_MIN PERL_ULONG_MIN
1608# endif
8175356b 1609# if IVSIZE == 8
cf2093f6
JH
1610# define IV_IS_QUAD
1611# define UV_IS_QUAD
de1c2614
JH
1612# ifndef HAS_QUAD
1613# define HAS_QUAD
1614# endif
cf2093f6
JH
1615# else
1616# undef IV_IS_QUAD
1617# undef UV_IS_QUAD
de1c2614 1618# undef HAS_QUAD
cf2093f6 1619# endif
79072805 1620#endif
d7d93a81 1621
1109a392
MHM
1622#ifndef HAS_QUAD
1623# undef PERL_NEED_MY_HTOLE64
1624# undef PERL_NEED_MY_LETOH64
1625# undef PERL_NEED_MY_HTOBE64
1626# undef PERL_NEED_MY_BETOH64
1627#endif
1628
6cde8aec 1629#if defined(uts) || defined(UTS)
11afe549
HM
1630# undef UV_MAX
1631# define UV_MAX (4294967295u)
20601011
JH
1632#endif
1633
cae7ae48 1634#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1635#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1636
28e5dec8 1637#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1638#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1639#endif
1640
d460ef45 1641/*
26bb67e2
JH
1642 * The macros INT2PTR and NUM2PTR are (despite their names)
1643 * bi-directional: they will convert int/float to or from pointers.
1644 * However the conversion to int/float are named explicitly:
1645 * PTR2IV, PTR2UV, PTR2NV.
1646 *
1647 * For int conversions we do not need two casts if pointers are
1648 * the same size as IV and UV. Otherwise we need an explicit
1649 * cast (PTRV) to avoid compiler warnings.
1650 */
56431972
RB
1651#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1652# define PTRV UV
1653# define INT2PTR(any,d) (any)(d)
1654#else
d460ef45 1655# if PTRSIZE == LONGSIZE
56431972 1656# define PTRV unsigned long
e91e3b10 1657# define PTR2ul(p) (unsigned long)(p)
42718184 1658# else
56431972 1659# define PTRV unsigned
42718184 1660# endif
e91e3b10
RB
1661#endif
1662
1663#ifndef INT2PTR
56431972 1664# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1665#endif
e91e3b10
RB
1666
1667#ifndef PTR2ul
1668# define PTR2ul(p) INT2PTR(unsigned long,p)
1669#endif
1670
56431972
RB
1671#define NUM2PTR(any,d) (any)(PTRV)(d)
1672#define PTR2IV(p) INT2PTR(IV,p)
1673#define PTR2UV(p) INT2PTR(UV,p)
1674#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1675#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1676
8141890a
JH
1677/* According to strict ANSI C89 one cannot freely cast between
1678 * data pointers and function (code) pointers. There are at least
1679 * two ways around this. One (used below) is to do two casts,
1680 * first the other pointer to an (unsigned) integer, and then
1681 * the integer to the other pointer. The other way would be
1682 * to use unions to "overlay" the pointers. For an example of
1683 * the latter technique, see union dirpu in struct xpvio in sv.h.
1684 * The only feasible use is probably temporarily storing
1685 * function pointers in a data pointer (such as a void pointer). */
1686
e91e3b10
RB
1687#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1688#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1689
65202027 1690#ifdef USE_LONG_DOUBLE
1048ea30
JH
1691# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1692# define LONG_DOUBLE_EQUALS_DOUBLE
1693# endif
68d4903c 1694# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1695# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1696# endif
1697#endif
1698
2d4389e4
JH
1699#ifdef OVR_DBL_DIG
1700/* Use an overridden DBL_DIG */
1701# ifdef DBL_DIG
1702# undef DBL_DIG
1703# endif
1704# define DBL_DIG OVR_DBL_DIG
1705#else
1706/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1707 default value for printing floating point numbers in Gconvert
1708 (see config.h). (It also has other uses, such as figuring out if
1709 a given precision of printing can be done with a double instead of
1710 a long double - Allen).
2d4389e4
JH
1711*/
1712#ifdef I_LIMITS
1713#include <limits.h>
1714#endif
1715#ifdef I_FLOAT
1716#include <float.h>
1717#endif
1718#ifndef HAS_DBL_DIG
1719#define DBL_DIG 15 /* A guess that works lots of places */
1720#endif
1721#endif
cbca01e1
JH
1722#ifdef I_FLOAT
1723#include <float.h>
1724#endif
1725#ifndef HAS_DBL_DIG
1726#define DBL_DIG 15 /* A guess that works lots of places */
1727#endif
2d4389e4
JH
1728
1729#ifdef OVR_LDBL_DIG
1730/* Use an overridden LDBL_DIG */
1731# ifdef LDBL_DIG
1732# undef LDBL_DIG
1733# endif
1734# define LDBL_DIG OVR_LDBL_DIG
1735#else
1736/* The following is all to get LDBL_DIG, in order to pick a nice
1737 default value for printing floating point numbers in Gconvert.
1738 (see config.h)
1739*/
68d4903c
JH
1740# ifdef I_LIMITS
1741# include <limits.h>
1742# endif
1743# ifdef I_FLOAT
1744# include <float.h>
1745# endif
1746# ifndef HAS_LDBL_DIG
1747# if LONG_DOUBLESIZE == 10
1748# define LDBL_DIG 18 /* assume IEEE */
1749# else
1750# if LONG_DOUBLESIZE == 12
1751# define LDBL_DIG 18 /* gcc? */
1752# else
1753# if LONG_DOUBLESIZE == 16
1754# define LDBL_DIG 33 /* assume IEEE */
1755# else
1756# if LONG_DOUBLESIZE == DOUBLESIZE
1757# define LDBL_DIG DBL_DIG /* bummer */
1758# endif
1759# endif
1760# endif
1761# endif
1762# endif
2d4389e4
JH
1763#endif
1764
20f6aaab
AS
1765/*
1766 * This is for making sure we have a good DBL_MAX value, if possible,
1767 * either for usage as NV_MAX or for usage in figuring out if we can
1768 * fit a given long double into a double, if bug-fixing makes it
1769 * necessary to do so. - Allen <allens@cpan.org>
1770 */
1771
205f51d8
AS
1772#ifdef I_LIMITS
1773# include <limits.h>
20f6aaab
AS
1774#endif
1775
205f51d8
AS
1776#ifdef I_VALUES
1777# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1778# include <values.h>
1779# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1780# define DBL_MAX MAXDOUBLE
1781# endif
1782# if defined(MINDOUBLE) && !defined(DBL_MIN)
1783# define DBL_MIN MINDOUBLE
1784# endif
1785# endif
1786#endif /* defined(I_VALUES) */
1787
a22e52b9 1788typedef NVTYPE NV;
8175356b 1789
792d8dab
JH
1790#ifdef I_IEEEFP
1791# include <ieeefp.h>
1792#endif
923fc586 1793
65202027 1794#ifdef USE_LONG_DOUBLE
923fc586
JH
1795# ifdef I_SUNMATH
1796# include <sunmath.h>
1797# endif
2d4389e4 1798# define NV_DIG LDBL_DIG
d6c14000
JH
1799# ifdef LDBL_MANT_DIG
1800# define NV_MANT_DIG LDBL_MANT_DIG
1801# endif
06fc1729
JH
1802# ifdef LDBL_MIN
1803# define NV_MIN LDBL_MIN
1804# endif
1805# ifdef LDBL_MAX
1806# define NV_MAX LDBL_MAX
1807# endif
1808# ifdef LDBL_MIN_10_EXP
1809# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1810# endif
1811# ifdef LDBL_MAX_10_EXP
1812# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1813# endif
1814# ifdef LDBL_EPSILON
1815# define NV_EPSILON LDBL_EPSILON
1816# endif
f4a14a62
JH
1817# ifdef LDBL_MAX
1818# define NV_MAX LDBL_MAX
20f6aaab 1819/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1820# else
1821# ifdef HUGE_VALL
1822# define NV_MAX HUGE_VALL
1823# else
1824# ifdef HUGE_VAL
1825# define NV_MAX ((NV)HUGE_VAL)
1826# endif
1827# endif
1828# endif
68d4903c 1829# ifdef HAS_SQRTL
68d4903c
JH
1830# define Perl_cos cosl
1831# define Perl_sin sinl
1832# define Perl_sqrt sqrtl
1833# define Perl_exp expl
1834# define Perl_log logl
1835# define Perl_atan2 atan2l
1836# define Perl_pow powl
1837# define Perl_floor floorl
1bbae031 1838# define Perl_ceil ceill
68d4903c
JH
1839# define Perl_fmod fmodl
1840# endif
a3540c92
JH
1841/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1842# ifdef HAS_MODFL
1843# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1844/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1845 prototype in <math.h> */
1846# ifndef HAS_MODFL_PROTO
a221a8a5 1847EXTERN_C long double modfl(long double, long double *);
51997bc3 1848# endif
03476e8e
JH
1849# else
1850# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1851 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1852# define Perl_modf(x,y) Perl_my_modfl(x,y)
1853# endif
a3540c92
JH
1854# endif
1855# ifdef HAS_FREXPL
dff3e0b8 1856# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1857# else
1858# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1859 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1860# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1861# endif
a3540c92 1862# endif
38dbb4c5 1863# ifndef Perl_isnan
758a5d79
JH
1864# ifdef HAS_ISNANL
1865# define Perl_isnan(x) isnanl(x)
1866# endif
1867# endif
1868# ifndef Perl_isinf
1869# ifdef HAS_FINITEL
1870# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1871# endif
1872# endif
65202027 1873#else
2d4389e4 1874# define NV_DIG DBL_DIG
d6c14000
JH
1875# ifdef DBL_MANT_DIG
1876# define NV_MANT_DIG DBL_MANT_DIG
1877# endif
06fc1729
JH
1878# ifdef DBL_MIN
1879# define NV_MIN DBL_MIN
1880# endif
1881# ifdef DBL_MAX
1882# define NV_MAX DBL_MAX
1883# endif
1884# ifdef DBL_MIN_10_EXP
1885# define NV_MIN_10_EXP DBL_MIN_10_EXP
1886# endif
1887# ifdef DBL_MAX_10_EXP
1888# define NV_MAX_10_EXP DBL_MAX_10_EXP
1889# endif
1890# ifdef DBL_EPSILON
1891# define NV_EPSILON DBL_EPSILON
1892# endif
205f51d8 1893# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1894# define NV_MAX DBL_MAX
1895# define NV_MIN DBL_MIN
1896# else
1897# ifdef HUGE_VAL
1898# define NV_MAX HUGE_VAL
1899# endif
1900# endif
65202027
DS
1901# define Perl_cos cos
1902# define Perl_sin sin
1903# define Perl_sqrt sqrt
1904# define Perl_exp exp
1905# define Perl_log log
1906# define Perl_atan2 atan2
1907# define Perl_pow pow
1908# define Perl_floor floor
1bbae031 1909# define Perl_ceil ceil
65202027 1910# define Perl_fmod fmod
a3540c92 1911# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1912# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1913#endif
1914
1915/* rumor has it that Win32 has _fpclass() */
1916
205f51d8
AS
1917/* SGI has fpclassl... but not with the same result values,
1918 * and it's via a typedef (not via #define), so will need to redo Configure
1919 * to use. Not worth the trouble, IMO, at least until the below is used
1920 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1921 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1922 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1923
758a5d79
JH
1924#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1925# ifdef I_IEEFP
1926# include <ieeefp.h>
1927# endif
1928# ifdef I_FP
1929# include <fp.h>
1930# endif
1931# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1932# define Perl_fp_class() fpclassl(x)
1933# else
1934# define Perl_fp_class() fpclass(x)
1935# endif
1936# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1937# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1938# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1939# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1940# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1941# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1942# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1943# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1944# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1945# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1946# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1947# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1948# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1949# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1950# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1951#endif
1952
7114a2d2 1953#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1954# include <math.h>
1955# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1956# include <fp_class.h>
1957# endif
1958# define Perl_fp_class(x) fp_class(x)
1959# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1960# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1961# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1962# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1963# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1964# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1965# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1966# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1967# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1968# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1969# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1970# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1971# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1972# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1973# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1974#endif
1975
1976#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1977# include <math.h>
1978# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1979# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1980# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1981# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1982# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1983# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1984#endif
1985
1986#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1987# include <math.h>
1988# ifndef _cplusplus
1989# define Perl_fp_class(x) class(x)
1990# else
1991# define Perl_fp_class(x) _class(x)
1992# endif
1993# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1994# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1995# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1996# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1997# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1998# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1999# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2000# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2001# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2002# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2003# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2004# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2005# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2006# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2007# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2008#endif
2009
2010/* rumor has it that Win32 has _isnan() */
2011
2012#ifndef Perl_isnan
a3540c92 2013# ifdef HAS_ISNAN
758a5d79
JH
2014# define Perl_isnan(x) isnan((NV)x)
2015# else
2016# ifdef Perl_fp_class_nan
2017# define Perl_isnan(x) Perl_fp_class_nan(x)
2018# else
2019# ifdef HAS_UNORDERED
2020# define Perl_isnan(x) unordered((x), 0.0)
2021# else
2022# define Perl_isnan(x) ((x)!=(x))
2023# endif
2024# endif
2025# endif
2026#endif
2027
ca6c63e1
JH
2028#ifdef UNDER_CE
2029int isnan(double d);
2030#endif
2031
758a5d79
JH
2032#ifndef Perl_isinf
2033# ifdef HAS_ISINF
2034# define Perl_isinf(x) isinf((NV)x)
a3540c92 2035# else
758a5d79
JH
2036# ifdef Perl_fp_class_inf
2037# define Perl_isinf(x) Perl_fp_class_inf(x)
2038# else
2039# define Perl_isinf(x) ((x)==NV_INF)
2040# endif
2041# endif
2042#endif
2043
2044#ifndef Perl_isfinite
2045# ifdef HAS_FINITE
2046# define Perl_isfinite(x) finite((NV)x)
2047# else
2048# ifdef HAS_ISFINITE
2049# define Perl_isfinite(x) isfinite(x)
2050# else
2051# ifdef Perl_fp_class_finite
2052# define Perl_isfinite(x) Perl_fp_class_finite(x)
2053# else
2054# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2055# endif
2056# endif
a3540c92 2057# endif
65202027
DS
2058#endif
2059
a36244b7
JH
2060/* The default is to use Perl's own atof() implementation (in numeric.c).
2061 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2062 * it is however best to use the native implementation of atof.
2063 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2064 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2065 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2066 * you may need to be using a different function than atof! */
a36244b7
JH
2067
2068#ifndef USE_PERL_ATOF
2069# ifndef _UNICOS
2070# define USE_PERL_ATOF
2071# endif
2072#else
2073# if USE_PERL_ATOF == 0
2074# undef USE_PERL_ATOF
2075# endif
2076#endif
2077
2078#ifdef USE_PERL_ATOF
2079# define Perl_atof(s) Perl_my_atof(s)
2080# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2081#else
2082# define Perl_atof(s) (NV)atof(s)
2083# define Perl_atof2(s, n) ((n) = atof(s))
2084#endif
cf2093f6 2085
d460ef45 2086/* Previously these definitions used hardcoded figures.
760ac839
LW
2087 * It is hoped these formula are more portable, although
2088 * no data one way or another is presently known to me.
2089 * The "PERL_" names are used because these calculated constants
2090 * do not meet the ANSI requirements for LONG_MAX, etc., which
2091 * need to be constants acceptable to #if - kja
2092 * define PERL_LONG_MAX 2147483647L
2093 * define PERL_LONG_MIN (-LONG_MAX - 1)
2094 * define PERL ULONG_MAX 4294967295L
2095 */
2096
2097#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2098# include <limits.h>
760ac839 2099#endif
205f51d8
AS
2100/* Included values.h above if necessary; still including limits.h down here,
2101 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2102
99abf803
PP
2103/*
2104 * Try to figure out max and min values for the integral types. THE CORRECT
2105 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2106 * following hacks are used if neither limits.h or values.h provide them:
2107 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2108 * for types < int: (unsigned TYPE)~(unsigned)0
2109 * The argument to ~ must be unsigned so that later signed->unsigned
2110 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2111 * and it must not be smaller than int because ~ does integral promotion.
2112 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2113 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2114 * The latter is a hack which happens to work on some machines but
2115 * does *not* catch any random system, or things like integer types
2116 * with NaN if that is possible.
2117 *
2118 * All of the types are explicitly cast to prevent accidental loss of
2119 * numeric range, and in the hope that they will be less likely to confuse
2120 * over-eager optimizers.
2121 *
2122 */
27d4fb96 2123
99abf803
PP
2124#define PERL_UCHAR_MIN ((unsigned char)0)
2125
2126#ifdef UCHAR_MAX
2127# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2128#else
99abf803
PP
2129# ifdef MAXUCHAR
2130# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2131# else
99abf803 2132# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2133# endif
2134#endif
d460ef45 2135
99abf803
PP
2136/*
2137 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2138 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2139 * depending on local options. Until Configure detects this (or at least
2140 * detects whether the "signed" keyword is available) the CHAR ranges
2141 * will not be included. UCHAR functions normally.
2142 * - kja
2143 */
27d4fb96 2144
99abf803
PP
2145#define PERL_USHORT_MIN ((unsigned short)0)
2146
2147#ifdef USHORT_MAX
2148# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2149#else
99abf803
PP
2150# ifdef MAXUSHORT
2151# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2152# else
ef2f54b0
CB
2153# ifdef USHRT_MAX
2154# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2155# else
2156# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2157# endif
27d4fb96
PP
2158# endif
2159#endif
2160
27d4fb96 2161#ifdef SHORT_MAX
99abf803 2162# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2163#else
2164# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2165# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2166# else
ef2f54b0
CB
2167# ifdef SHRT_MAX
2168# define PERL_SHORT_MAX ((short)SHRT_MAX)
2169# else
2170# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2171# endif
27d4fb96
PP
2172# endif
2173#endif
2174
2175#ifdef SHORT_MIN
99abf803 2176# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2177#else
2178# ifdef MINSHORT
99abf803 2179# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2180# else
ef2f54b0
CB
2181# ifdef SHRT_MIN
2182# define PERL_SHORT_MIN ((short)SHRT_MIN)
2183# else
2184# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2185# endif
27d4fb96
PP
2186# endif
2187#endif
2188
99abf803
PP
2189#ifdef UINT_MAX
2190# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2191#else
99abf803
PP
2192# ifdef MAXUINT
2193# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2194# else
99abf803 2195# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2196# endif
2197#endif
2198
99abf803 2199#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2200
2201#ifdef INT_MAX
99abf803 2202# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2203#else
2204# ifdef MAXINT /* Often used in <values.h> */
99abf803 2205# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2206# else
99abf803 2207# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2208# endif
2209#endif
2210
2211#ifdef INT_MIN
99abf803 2212# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2213#else
2214# ifdef MININT
99abf803 2215# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2216# else
2217# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2218# endif
2219#endif
2220
99abf803
PP
2221#ifdef ULONG_MAX
2222# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2223#else
99abf803
PP
2224# ifdef MAXULONG
2225# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2226# else
99abf803 2227# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2228# endif
2229#endif
2230
99abf803 2231#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2232
760ac839 2233#ifdef LONG_MAX
99abf803 2234# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2235#else
2236# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2237# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2238# else
99abf803 2239# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2240# endif
2241#endif
2242
2243#ifdef LONG_MIN
99abf803 2244# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2245#else
2246# ifdef MINLONG
99abf803 2247# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2248# else
27d4fb96 2249# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2250# endif
2251#endif
2252
d7d93a81 2253#ifdef UV_IS_QUAD
99abf803 2254
99abf803 2255# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2256# define PERL_UQUAD_MIN ((UV)0)
99abf803 2257# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2258# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2259
79072805
LW
2260#endif
2261
22f7c9c9
JH
2262#ifdef MYMALLOC
2263# include "malloc_ctl.h"
2264#endif
2265
830247a4 2266struct RExC_state_t;
8e11feef 2267struct _reg_trie_data;
880b20b6 2268
ee0007ab 2269typedef MEM_SIZE STRLEN;
450a55e4 2270
598921a7
NC
2271#ifdef PERL_MAD
2272typedef struct token TOKEN;
2273typedef struct madprop MADPROP;
2274typedef struct nexttoken NEXTTOKE;
2275#endif
79072805
LW
2276typedef struct op OP;
2277typedef struct cop COP;
2278typedef struct unop UNOP;
2279typedef struct binop BINOP;
2280typedef struct listop LISTOP;
2281typedef struct logop LOGOP;
79072805
LW
2282typedef struct pmop PMOP;
2283typedef struct svop SVOP;
7934575e 2284typedef struct padop PADOP;
79072805 2285typedef struct pvop PVOP;
79072805
LW
2286typedef struct loop LOOP;
2287
cd1541b2
NC
2288typedef struct interpreter PerlInterpreter;
2289
d2b3f365
SS
2290/* Amdahl's <ksync.h> has struct sv */
2291/* SGI's <sys/sema.h> has struct sv */
2292#if defined(UTS) || defined(__sgi)
2293# define STRUCT_SV perl_sv
b8d3c5db
JH
2294#else
2295# define STRUCT_SV sv
2296#endif
2297typedef struct STRUCT_SV SV;
79072805
LW
2298typedef struct av AV;
2299typedef struct hv HV;
2300typedef struct cv CV;
378cc40b 2301typedef struct regexp REGEXP;
79072805 2302typedef struct gp GP;
0c30d9ec 2303typedef struct gv GV;
8990e307 2304typedef struct io IO;
c09156bb 2305typedef struct context PERL_CONTEXT;
79072805
LW
2306typedef struct block BLOCK;
2307
2308typedef struct magic MAGIC;
2309typedef struct xpv XPV;
2310typedef struct xpviv XPVIV;
ff68c719 2311typedef struct xpvuv XPVUV;
79072805
LW
2312typedef struct xpvnv XPVNV;
2313typedef struct xpvmg XPVMG;
2314typedef struct xpvlv XPVLV;
2315typedef struct xpvav XPVAV;
2316typedef struct xpvhv XPVHV;
2317typedef struct xpvgv XPVGV;
2318typedef struct xpvcv XPVCV;
2319typedef struct xpvbm XPVBM;
2320typedef struct xpvfm XPVFM;
8990e307 2321typedef struct xpvio XPVIO;
79072805
LW
2322typedef struct mgvtbl MGVTBL;
2323typedef union any ANY;
5f7fde29
GS
2324typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2325typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2326typedef struct clone_params CLONE_PARAMS;
2327
378cc40b 2328#include "handy.h"
a0d0e21e 2329
6b8eaf93 2330#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2331# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2332# define USE_64_BIT_RAWIO /* implicit */
2333# endif
4564133c
JH
2334#endif
2335
6b8eaf93
JH
2336/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2337 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2338 * however, because operating systems like to do that themself. */
2339#ifndef FSEEKSIZE
2340# ifdef HAS_FSEEKO
2341# define FSEEKSIZE LSEEKSIZE
2342# else
2343# define FSEEKSIZE LONGSIZE
d460ef45 2344# endif
6b8eaf93
JH
2345#endif
2346
2347#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2348# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2349# define USE_64_BIT_STDIO /* implicit */
2350# endif
2351#endif
4564133c 2352
09458382 2353#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2354# ifdef HAS_OFF64_T
2355# undef Off_t
2356# define Off_t off64_t
2357# undef LSEEKSIZE
2358# define LSEEKSIZE 8
5ff3f7a4 2359# endif
d9b3e12d
JH
2360/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2361 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2362 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2363# if defined(USE_OPEN64)
2364# define open open64
5ff3f7a4 2365# endif
d9b3e12d
JH
2366# if defined(USE_LSEEK64)
2367# define lseek lseek64
6b8eaf93
JH
2368# else
2369# if defined(USE_LLSEEK)
2370# define lseek llseek
2371# endif
d9b3e12d
JH
2372# endif
2373# if defined(USE_STAT64)
2374# define stat stat64
2375# endif
2376# if defined(USE_FSTAT64)
2377# define fstat fstat64
2378# endif
2379# if defined(USE_LSTAT64)
2380# define lstat lstat64
2381# endif
2382# if defined(USE_FLOCK64)
2383# define flock flock64
2384# endif
2385# if defined(USE_LOCKF64)
2386# define lockf lockf64
2387# endif
2388# if defined(USE_FCNTL64)
2389# define fcntl fcntl64
2390# endif
2391# if defined(USE_TRUNCATE64)
2392# define truncate truncate64
2393# endif
2394# if defined(USE_FTRUNCATE64)
2395# define ftruncate ftruncate64
2396# endif
2397#endif
2398
2399#ifdef USE_64_BIT_STDIO
2400# ifdef HAS_FPOS64_T
2401# undef Fpos_t
2402# define Fpos_t fpos64_t
2403# endif
2404/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2405 * will trigger defines like the ones below. Some 64-bit environments,
2406 * however, do not. */
2407# if defined(USE_FOPEN64)
2408# define fopen fopen64
2409# endif
2410# if defined(USE_FSEEK64)
6b8eaf93 2411# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2412# endif
2413# if defined(USE_FTELL64)
6b8eaf93 2414# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2415# endif
2416# if defined(USE_FSETPOS64)
2417# define fsetpos fsetpos64
2418# endif
2419# if defined(USE_FGETPOS64)
2420# define fgetpos fgetpos64
2421# endif
2422# if defined(USE_TMPFILE64)
2423# define tmpfile tmpfile64
2424# endif
2425# if defined(USE_FREOPEN64)
2426# define freopen freopen64
5ff3f7a4
GS
2427# endif
2428#endif
2429
af8b425d 2430#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2431# include "iperlsys.h"
2432#endif
2433
6f71a643 2434#if defined(__OPEN_VM)
19848b3f
JH
2435# include "vmesa/vmesaish.h"
2436# define ISHISH "vmesa"
6f71a643
JH
2437#endif
2438
748a9306 2439#ifdef DOSISH
19848b3f
JH
2440# if defined(OS2)
2441# include "os2ish.h"
2442# else
2443# include "dosish.h"
2444# endif
2445# define ISHISH "dos"
2446#endif
2447
2448#if defined(VMS)
748a9306 2449# include "vmsish.h"
96e176bf 2450# include "embed.h"
eb8433b7
NC
2451# ifndef PERL_MAD
2452# undef op_getmad
b3f24c00 2453# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2454# endif
19848b3f
JH
2455# define ISHISH "vms"
2456#endif
2457
2458#if defined(PLAN9)
2459# include "./plan9/plan9ish.h"
2460# define ISHISH "plan9"
2461#endif
2462
2463#if defined(MPE)
2464# include "mpeix/mpeixish.h"
2465# define ISHISH "mpeix"
2466#endif
2467
2468#if defined(__VOS__)
196918b0
PG
2469# ifdef __GNUC__
2470# include "./vos/vosish.h"
2471# else
2472# include "vos/vosish.h"
2473# endif
19848b3f
JH
2474# define ISHISH "vos"
2475#endif
2476
2477#if defined(EPOC)
2478# include "epocish.h"
2479# define ISHISH "epoc"
2480#endif
2481
9969cdde 2482#ifdef __SYMBIAN32__
27da23d5
JH
2483# include "symbian/symbianish.h"
2484# include "embed.h"
eb8433b7
NC
2485# ifndef PERL_MAD
2486# undef op_getmad
b3f24c00 2487# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2488# endif
27da23d5
JH
2489# define ISHISH "symbian"
2490#endif
2491
19848b3f
JH
2492#if defined(MACOS_TRADITIONAL)
2493# include "macos/macish.h"
2494# ifndef NO_ENVIRON_ARRAY
2495# define NO_ENVIRON_ARRAY
0c30d9ec 2496# endif
19848b3f
JH
2497# define ISHISH "macos classic"
2498#endif
2499
efca5cc6
JH
2500#if defined(__BEOS__)
2501# include "beos/beosish.h"
2502# define ISHISH "beos"
2503#endif
2504
19848b3f
JH
2505#ifndef ISHISH
2506# include "unixish.h"
2507# define ISHISH "unix"
13b6e58c
JH
2508#endif
2509
2946a158
JH
2510/* NSIG logic from Configure --> */
2511/* Strange style to avoid deeply-nested #if/#else/#endif */
2512#ifndef NSIG
2513# ifdef _NSIG
2514# define NSIG (_NSIG)
2515# endif
2516#endif
2517
2518#ifndef NSIG
2519# ifdef SIGMAX
2520# define NSIG (SIGMAX+1)
2521# endif
2522#endif
2523
2524#ifndef NSIG
2525# ifdef SIG_MAX
2526# define NSIG (SIG_MAX+1)
2527# endif
2528#endif
2529
2530#ifndef NSIG
2531# ifdef _SIG_MAX
2532# define NSIG (_SIG_MAX+1)
2533# endif
2534#endif
2535
2536#ifndef NSIG
2537# ifdef MAXSIG
2538# define NSIG (MAXSIG+1)
2539# endif
2540#endif
2541
2542#ifndef NSIG
2543# ifdef MAX_SIG
2544# define NSIG (MAX_SIG+1)
2545# endif
2546#endif
2547
2548#ifndef NSIG
2549# ifdef SIGARRAYSIZE
2550# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2551# endif
2552#endif
2553
2554#ifndef NSIG
2555# ifdef _sys_nsig
2556# define NSIG (_sys_nsig) /* Solaris 2.5 */
2557# endif
2558#endif
2559
2560/* Default to some arbitrary number that's big enough to get most
2561 of the common signals.
2562*/
2563#ifndef NSIG
2564# define NSIG 50
2565#endif
2566/* <-- NSIG logic from Configure */
2567
13b6e58c
JH
2568#ifndef NO_ENVIRON_ARRAY
2569# define USE_ENVIRON_ARRAY
2570#endif
32f822de 2571
c77b533b
JH
2572/*
2573 * initialise to avoid floating-point exceptions from overflow, etc
2574 */
2575#ifndef PERL_FPU_INIT
2576# ifdef HAS_FPSETMASK
2577# if HAS_FLOATINGPOINT_H
2578# include <floatingpoint.h>
2579# endif
7f7c3354 2580# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2581# else
2f42fcb0 2582# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2583# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2584# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2585# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2586# else
2587# define PERL_FPU_INIT
2f42fcb0 2588
7014c407 2589# endif
c77b533b
JH
2590# endif
2591#endif
b35112e7
CS
2592#ifndef PERL_FPU_PRE_EXEC
2593# define PERL_FPU_PRE_EXEC {
2594# define PERL_FPU_POST_EXEC }
2595#endif
c77b533b 2596
ed344e4f
IZ
2597#ifndef PERL_SYS_INIT3
2598# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2599#endif
2600
be708cc0
JH
2601#ifndef PERL_WRITE_MSG_TO_CONSOLE
2602# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2603#endif
2604
0f31cffe
GS
2605#ifndef MAXPATHLEN
2606# ifdef PATH_MAX
b990c8b2
JH
2607# ifdef _POSIX_PATH_MAX
2608# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2609/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2610 * included the null byte or not. Later amendments of POSIX,
2611 * XPG4, the Austin Group, and the Single UNIX Specification
2612 * all explicitly include the null byte in the PATH_MAX.
2613 * Ditto for _POSIX_PATH_MAX. */
2614# define MAXPATHLEN PATH_MAX
b990c8b2 2615# else
09448d78 2616# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2617# endif
2618# else
2619# define MAXPATHLEN (PATH_MAX+1)
2620# endif
0f31cffe 2621# else
b990c8b2 2622# ifdef _POSIX_PATH_MAX
09448d78 2623# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2624# else
2625# define MAXPATHLEN 1024 /* Err on the large side. */
2626# endif
0f31cffe
GS
2627# endif
2628#endif
2629
c80263a8
SH
2630/* In case Configure was not used (we are using a "canned config"
2631 * such as Win32, or a cross-compilation setup, for example) try going
2632 * by the gcc major and minor versions. One useful URL is
2633 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2634 * but contrary to this information warn_unused_result seems
2635 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2636 * Also, when building extensions with an installed perl, this allows
2637 * the user to upgrade gcc and get the right attributes, rather than
2638 * relying on the list generated at Configure time. --AD
c80263a8
SH
2639 * Set these up now otherwise we get confused when some of the <*thread.h>
2640 * includes below indirectly pull in <perlio.h> (which needs to know if we
2641 * have HASATTRIBUTE_FORMAT).
2642 */
2643
fc2007d4 2644#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2645# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2646# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2647# if defined __MINGW32__
2648# define PRINTF_FORMAT_NULL_OK
2649# endif
c80263a8
SH
2650# endif
2651# if __GNUC__ >= 3 /* 3.0 -> */
2652# define HASATTRIBUTE_MALLOC
2653# endif
2654# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2655# define HASATTRIBUTE_NONNULL
2656# endif
2657# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2658# define HASATTRIBUTE_NORETURN
2659# endif
2660# if __GNUC__ >= 3 /* gcc 3.0 -> */
2661# define HASATTRIBUTE_PURE
2662# endif
42bf5550 2663# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2664# define HASATTRIBUTE_UNUSED
2665# endif
d324fe49
AD
2666# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2667# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2668# endif
c80263a8
SH
2669# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2670# define HASATTRIBUTE_WARN_UNUSED_RESULT
2671# endif
2672#endif
2673
3db8f154 2674/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2675 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2676 * this results in many functions being undeclared which bothers C++
2677 * May make sense to have threads after "*ish.h" anyway
2678 */
2679
3db8f154 2680#if defined(USE_ITHREADS)
2986a63f
JH
2681# ifdef NETWARE
2682# include <nw5thread.h>
2683# else
32f822de
GS
2684# ifdef FAKE_THREADS
2685# include "fakethr.h"
2686# else
2687# ifdef WIN32
2688# include <win32thread.h>
2689# else
dd96f567
IZ
2690# ifdef OS2
2691# include "os2thread.h"
2692# else
7f3d1cf1 2693# ifdef I_MACH_CTHREADS
bdd66968 2694# include <mach/cthreads.h>
8f1f23e8 2695# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2696# define MUTEX_INIT_CALLS_MALLOC
2697# endif
7f3d1cf1
BH
2698typedef cthread_t perl_os_thread;
2699typedef mutex_t perl_mutex;
2700typedef condition_t perl_cond;
2701typedef void * perl_key;
2702# else /* Posix threads */
1f5ae88c
JH
2703# ifdef I_PTHREAD
2704# include <pthread.h>
2705# endif
7f3d1cf1
BH
2706typedef pthread_t perl_os_thread;
2707typedef pthread_mutex_t perl_mutex;
2708typedef pthread_cond_t perl_cond;
2709typedef pthread_key_t perl_key;
2710# endif /* I_MACH_CTHREADS */
dd96f567 2711# endif /* OS2 */
32f822de
GS
2712# endif /* WIN32 */
2713# endif /* FAKE_THREADS */
2986a63f 2714#endif /* NETWARE */
3db8f154 2715#endif /* USE_ITHREADS */
c5be433b 2716
66a93824 2717#if defined(WIN32)
1feb2720 2718# include "win32.h"
c5be433b
GS
2719#endif
2720
2986a63f
JH
2721#ifdef NETWARE
2722# include "netware.h"
2723#endif
2724
e5218da5 2725#define STATUS_UNIX PL_statusvalue
68dc0745 2726#ifdef VMS
6b88bc9c 2727# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2728/*
2729 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2730 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2731 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2732 * be updated also.
2733 */
2734# include <stsdef.h>
2735# include <ssdef.h>
2736/* Presume this because if VMS changes it, it will require a new
2737 * set of APIs for waiting on children for binary compatibility.
2738 */
2739# define child_offset_bits (8)
2740# ifndef C_FAC_POSIX
2741# define C_FAC_POSIX 0x35A000
2742# endif
2743
2744/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2745 * platform from the existing UNIX or Native status values.
2746 */
2747
37038d91 2748# define STATUS_EXIT \
7a7fd8e0
JM
2749 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2750 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2751
7a7fd8e0 2752
fb38d079
JM
2753/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2754 * exit code and shifts the UNIX value over the correct number of bits to
2755 * be a child status. Usually the number of bits is 8, but that could be
2756 * platform dependent. The NATIVE status code is presumed to have either
2757 * from a child process.
7a7fd8e0
JM
2758 */
2759
fb38d079
JM
2760/* This is complicated. The child processes return a true native VMS
2761 status which must be saved. But there is an assumption in Perl that
2762 the UNIX child status has some relationship to errno values, so
2763 Perl tries to translate it to text in some of the tests.
2764 In order to get the string translation correct, for the error, errno
2765 must be EVMSERR, but that generates a different text message
2766 than what the test programs are expecting. So an errno value must
2767 be derived from the native status value when an error occurs.
2768 That will hide the true native status message. With this version of
2769 perl, the true native child status can always be retrieved so that
2770 is not a problem. But in this case, Pl_statusvalue and errno may
2771 have different values in them.
2772 */
7a7fd8e0 2773
fb38d079 2774# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2775 STMT_START { \
2fbb330f
JM
2776 I32 evalue = (I32)n; \
2777 if (evalue == EVMSERR) { \
2778 PL_statusvalue_vms = vaxc$errno; \
2779 PL_statusvalue = evalue; \
7a7fd8e0 2780 } else { \
2fbb330f 2781 PL_statusvalue_vms = evalue; \
fb38d079 2782 if (evalue == -1) { \
3280af22 2783 PL_statusvalue = -1; \
7a7fd8e0
JM
2784 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2785 } else \
fb38d079 2786 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2787 set_vaxc_errno(evalue); \
fb38d079
JM
2788 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2789 set_errno(EVMSERR); \
2790 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2791 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2792 } \
68dc0745 2793 } STMT_END
7a7fd8e0 2794
68dc0745 2795# ifdef VMSISH_STATUS
e5218da5 2796# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2797# else
e5218da5 2798# define STATUS_CURRENT STATUS_UNIX
68dc0745 2799# endif
7a7fd8e0
JM
2800
2801 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2802 * the NATIVE status to an equivalent value. Can not be used to translate
2803 * exit code values as exit code values are not guaranteed to have any
2804 * relationship at all to errno values.
2805 * This is used when Perl is forcing errno to have a specific value.
2806 */
e5218da5 2807# define STATUS_UNIX_SET(n) \
68dc0745 2808 STMT_START { \
7a7fd8e0 2809 I32 evalue = (I32)n; \
0968cdad 2810 PL_statusvalue = evalue; \
3280af22 2811 if (PL_statusvalue != -1) { \
0968cdad
JM
2812 if (PL_statusvalue != EVMSERR) { \
2813 PL_statusvalue &= 0xFFFF; \
2814 if (MY_POSIX_EXIT) \
2815 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2816 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2817 } \
2818 else { \
2819 PL_statusvalue_vms = vaxc$errno; \
2820 } \
68dc0745 2821 } \
0968cdad
JM
2822 else PL_statusvalue_vms = SS$_ABORT; \
2823 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2824 } STMT_END
2825
2826 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2827 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2828 * the UNIX/POSIX exit codes have any relationship to errno, except
2829 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2830 * with the Perl VMS documentation, any other code sets the NATIVE
2831 * status to a failure code of SS$_ABORT.
fb38d079
JM
2832 *
2833 * In the new POSIX EXIT mode, native status will be set so that the
2834 * actual exit code will can be retrieved by the calling program or
2835 * shell.
2836 *
2837 * If the exit code is not clearly a UNIX parent or child exit status,
2838 * it will be passed through as a VMS status.
7a7fd8e0
JM
2839 */
2840
fb38d079 2841# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2842 STMT_START { \
2843 I32 evalue = (I32)n; \
2844 PL_statusvalue = evalue; \
fb38d079
JM
2845 if (evalue != -1) { \
2846 if (evalue <= 0xFF00) { \
2847 if (evalue > 0xFF) \
2848 evalue = (evalue >> child_offset_bits) & 0xFF; \
2849 if (evalue == 0) \
2850 PL_statusvalue_vms == SS$_NORMAL; \
2851 else \
2852 if (MY_POSIX_EXIT) \
2853 PL_statusvalue_vms = \
2854 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2855 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2856 else \
6ac6a52b 2857 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2858 } else { /* forgive them Perl, for they have sinned */ \
2859 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2860 else PL_statusvalue_vms = vaxc$errno; \
2861 /* And obviously used a VMS status value instead of UNIX */ \
2862 PL_statusvalue = EVMSERR; \
2863 } \
7a7fd8e0
JM
2864 } \
2865 else PL_statusvalue_vms = SS$_ABORT; \
2866 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2867 } STMT_END
fb38d079 2868
6ac6a52b
JM
2869 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2870 * and sets the NATIVE error status based on it. This special case
2871 * is needed to maintain compatibility with past VMS behavior.
2872 *
2873 * In the default mode on VMS, this number is passed through as
2874 * both the NATIVE and UNIX status. Which makes it different
2875 * that the STATUS_UNIX_EXIT_SET.
2876 *
2877 * In the new POSIX EXIT mode, native status will be set so that the
2878 * actual exit code will can be retrieved by the calling program or
2879 * shell.
2880 *
2881 */
2882
2883# define STATUS_EXIT_SET(n) \
2884 STMT_START { \
2885 I32 evalue = (I32)n; \
2886 PL_statusvalue = evalue; \
2887 if (MY_POSIX_EXIT) \
2888 PL_statusvalue_vms = \
2889 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2890 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2891 else \
2892 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2893 set_vaxc_errno(PL_statusvalue_vms); \
2894 } STMT_END
2895
fb38d079
JM
2896
2897 /* This macro forces a success status */
7a7fd8e0
JM
2898# define STATUS_ALL_SUCCESS \
2899 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2900
2901 /* This macro forces a failure status */
7a7fd8e0
JM
2902# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2903 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2904 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2905
68dc0745 2906#else
e5218da5 2907# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2908# if defined(WCOREDUMP)
37038d91 2909# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2910 STMT_START { \
2911 PL_statusvalue_posix = (n); \
2912 if (PL_statusvalue_posix == -1) \
2913 PL_statusvalue = -1; \
2914 else { \
2915 PL_statusvalue = \
2916 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2917 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2918 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2919 } \
2920 } STMT_END
2921# elif defined(WIFEXITED)
37038d91 2922# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2923 STMT_START { \
2924 PL_statusvalue_posix = (n); \
2925 if (PL_statusvalue_posix == -1) \
2926 PL_statusvalue = -1; \
2927 else { \
2928 PL_statusvalue = \
2929 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2930 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2931 } \
2932 } STMT_END
2933# else
37038d91 2934# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2935 STMT_START { \
2936 PL_statusvalue_posix = (n); \
2937 if (PL_statusvalue_posix == -1) \
2938 PL_statusvalue = -1; \
2939 else { \
2940 PL_statusvalue = \
2941 PL_statusvalue_posix & 0xFFFF; \
2942 } \
2943 } STMT_END
2944# endif
2945# define STATUS_UNIX_SET(n) \
68dc0745 2946 STMT_START { \
3280af22
NIS
2947 PL_statusvalue = (n); \
2948 if (PL_statusvalue != -1) \
2949 PL_statusvalue &= 0xFFFF; \
68dc0745 2950 } STMT_END
7a7fd8e0 2951# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2952# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2953# define STATUS_CURRENT STATUS_UNIX
37038d91 2954# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2955# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2956# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2957#endif
2958
cc3604b1
GS
2959/* flags in PL_exit_flags for nature of exit() */
2960#define PERL_EXIT_EXPECTED 0x01
31d77e54 2961#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2962
0b94c7bb 2963#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2964# define MEMBER_TO_FPTR(name) name
2965#endif
2966
2967/* format to use for version numbers in file/directory names */
273cf8d1 2968/* XXX move to Configure? */
a7cb1f99 2969#ifndef PERL_FS_VER_FMT
273cf8d1 2970# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2971#endif
2972
45bc9206 2973/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2974 * performance issue, so we allow people to disable it. Also, if
2975 * we are using stdio, there are broken implementations of fflush(NULL)
2976 * out there, Solaris being the most prominent.
45bc9206
GS
2977 */
2978#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2979# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2980# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2981# else
2982# ifdef FFLUSH_ALL
2983# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2984# else
c5be433b 2985# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2986# endif
66fe083f 2987# endif
45bc9206
GS
2988#endif
2989
7766f137
GS
2990#ifndef PERL_WAIT_FOR_CHILDREN
2991# define PERL_WAIT_FOR_CHILDREN NOOP
2992#endif
2993
ba869deb 2994/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2995#ifndef PERL_SET_INTERP
2996# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2997#endif
2998
2999#ifndef PERL_GET_INTERP
3000# define PERL_GET_INTERP (PL_curinterp)
3001#endif
3002
54aff467 3003#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3004# ifdef MULTIPLICITY
ba869deb 3005# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3006# endif
ba869deb
GS
3007# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3008#endif
3009
8896765a
RB
3010/*
3011 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3012 All that is required is that the perl source does not
8896765a
RB
3013 use "%-p" or "%-<number>p" or "%<number>p" formats.
3014 These formats will still work in perl code.
3015 See comments in sv.c for futher details.
3016
3017 -DvdNUMBER=<number> can be used to redefine VDf
3018
3019 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3020 which works properly but gives compiler warnings
3021
3022 Robin Barker 2005-07-14
0dbb1585 3023*/
8896765a
RB
3024
3025#ifndef SVf_
63ce7bf0 3026# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3027#endif
3028
8896765a 3029#ifndef SVf
104abab4 3030# define SVf "-p"
d2560b70
RB
3031#endif
3032
014ead4b 3033#ifndef SVf32
8896765a 3034# define SVf32 SVf_(32)
014ead4b
RB
3035#endif
3036
3037#ifndef SVf256
8896765a
RB
3038# define SVf256 SVf_(256)
3039#endif
3040
3041#ifndef vdNUMBER
3042# define vdNUMBER 1
3043#endif
3044
3045#ifndef VDf
3046# if vdNUMBER
63ce7bf0 3047# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3048# else
3049# define VDf "vd"
3050# endif
014ead4b
RB
3051#endif
3052
f5992bc4 3053/* not used; but needed for backward compatibilty with XS code? - RMB */
014ead4b
RB
3054#ifndef UVf
3055# define UVf UVuf
d2560b70
RB
3056#endif
3057
0dbb1585
AL
3058#ifdef HASATTRIBUTE_FORMAT
3059# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3060#endif
3061#ifdef HASATTRIBUTE_MALLOC
77785eea 3062# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3063#endif
0dbb1585 3064#ifdef HASATTRIBUTE_NONNULL
abb2c242 3065# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3066#endif
0dbb1585 3067#ifdef HASATTRIBUTE_NORETURN
abb2c242 3068# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3069#endif
0dbb1585 3070#ifdef HASATTRIBUTE_PURE
abb2c242 3071# define __attribute__pure__ __attribute__((pure))
f22be1b8 3072#endif
0dbb1585
AL
3073#ifdef HASATTRIBUTE_UNUSED
3074# define __attribute__unused__ __attribute__((unused))
3075#endif
3076#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3077# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3078#endif
3079
0dbb1585
AL
3080/* If we haven't defined the attributes yet, define them to blank. */
3081#ifndef __attribute__format__
3082# define __attribute__format__(x,y,z)
3083#endif
f22be1b8 3084#ifndef __attribute__malloc__
abb2c242 3085# define __attribute__malloc__
f22be1b8
JH
3086#endif
3087#ifndef __attribute__nonnull__
abb2c242 3088# define __attribute__nonnull__(a)
f22be1b8
JH
3089#endif
3090#ifndef __attribute__noreturn__
abb2c242 3091# define __attribute__noreturn__
f22be1b8
JH
3092#endif
3093#ifndef __attribute__pure__
abb2c242 3094# define __attribute__pure__
f22be1b8 3095#endif
0dbb1585
AL
3096#ifndef __attribute__unused__
3097# define __attribute__unused__
3098#endif
f22be1b8 3099#ifndef __attribute__warn_unused_result__
abb2c242
JH
3100# define __attribute__warn_unused_result__
3101#endif
3102
0dbb1585
AL
3103/* For functions that are marked as __attribute__noreturn__, it's not
3104 appropriate to call return. In either case, include the lint directive.
3105 */
3106#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3107# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3108#else
b37c2d43 3109# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3110#endif
3111
cdfeb707
RB
3112/* Some OS warn on NULL format to printf */
3113#ifdef PRINTF_FORMAT_NULL_OK
3114# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3115#else
3116# define __attribute__format__null_ok__(x,y,z)
3117#endif
3118
635aebb7 3119#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3120# define EXPECT(expr,val) __builtin_expect(expr,val)
3121#else
3122# define EXPECT(expr,val) (expr)
3123#endif
3124#define LIKELY(cond) EXPECT(cond,1)
3125#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3126#ifdef HAS_BUILTIN_CHOOSE_EXPR
3127/* placeholder */
3128#endif
b37c2d43 3129
3fc1aec6
PP
3130/* Some unistd.h's give a prototype for pause() even though
3131 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3132 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3133*/
3134#ifdef HAS_PAUSE
3135#define Pause pause
3136#else
3137#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3138#endif
3139
3140#ifndef IOCPARM_LEN
3141# ifdef IOCPARM_MASK
61f1c44b 3142 /* on BSDish systems we're safe */
748a9306
LW
3143# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3144# else
61f1c44b 3145# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3146 /* on Linux systems we're safe; except when we're not [perl #38223] */
3147# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3148# else
748a9306 3149 /* otherwise guess at what's safe */
61f1c44b
JVD
3150# define IOCPARM_LEN(x) 256
3151# endif
748a9306 3152# endif
a0d0e21e
LW
3153#endif
3154
1761cee5 3155#if defined(__CYGWIN__)
521e0776
GS
3156/* USEMYBINMODE
3157 * This symbol, if defined, indicates that the program should
16fe6d59 3158 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3159 * that a file is in "binary" mode -- that is, that no translation
3160 * of bytes occurs on read or write operations.
3161 */
36894f0b 3162# define USEMYBINMODE /**/
77a40698 3163# include <io.h> /* for setmode() prototype */
16fe6d59 3164# define my_binmode(fp, iotype, mode) \
77a40698 3165 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3166#endif
3167
88d10794
JH
3168#ifdef __CYGWIN__
3169void init_os_extras(void);
3170#endif
3171
cea2e8a9
GS
3172#ifdef UNION_ANY_DEFINITION
3173UNION_ANY_DEFINITION;
3174#else
3175union any {
3176 void* any_ptr;
3177 I32 any_i32;
3178 IV any_iv;
3179 long any_long;
9febdf04 3180 bool any_bool;
c76ac1ee 3181 void (*any_dptr) (void*);
acfe0abc 3182 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3183};
3184#endif
3185
acfe0abc 3186typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3187
3188#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3189#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3190#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3191
c5078cac
JH
3192#if defined(_AIX) && !defined(_AIX43)
3193#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3194/* We cannot include <crypt.h> to get the struct crypt_data
3195 * because of setkey prototype problems when threading */
3196typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3197 /* From OSF, Not needed in AIX
3198 char C[28], D[28];
3199 */
3200 char E[48];
3201 char KS[16][48];
3202 char block[66];
3203 char iobuf[16];
3204} CRYPTD;
3205#endif /* threading */
3206#endif /* AIX */
3207
af8b425d 3208#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3209# include "iperlsys.h"
3210#endif
504f80c1 3211
d10dc2ae
JH
3212/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3213 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3214 * defined by Configure, despite their names being similar to the
3215 * other defines like USE_ITHREADS. Configure in fact knows nothing
3216 * about the randomised hashes. Therefore to enable/disable the hash
3217 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3218#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3219# define USE_HASH_SEED
504f80c1
JH
3220#endif
3221
598921a7
NC
3222/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3223 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3224 * it's not really needed.
3225 */
3226#if defined(WIN32)
3227# define YYTOKENTYPE
3228#endif
3229#include "perly.h"
3230
3231#ifdef PERL_MAD
3232struct nexttoken {
3233 YYSTYPE next_val; /* value of next token, if any */
3234 I32 next_type; /* type of next token */
3235 MADPROP *next_mad; /* everything else about that token */
3236};
3237#endif
3238
378cc40b 3239#include "regexp.h"
79072805 3240#include "sv.h"
378cc40b 3241#include "util.h"
8d063cd8 3242#include "form.h"
79072805 3243#include "gv.h"
dd2155a4 3244#include "pad.h"
79072805 3245#include "cv.h"
abdd5c84 3246#include "opnames.h"
79072805 3247#include "op.h"
b3ca2e83 3248#include "hv.h"
79072805
LW
3249#include "cop.h"
3250#include "av.h"
79072805
LW
3251#include "mg.h"
3252#include "scope.h"
4438c4b7 3253#include "warnings.h"
a0ed51b3 3254#include "utf8.h"
8d063cd8 3255
7fae4e64
GS
3256
3257typedef struct _sublex_info SUBLEXINFO;
3258struct _sublex_info {
3259 I32 super_state; /* lexer state to save */
3260 I32 sub_inwhat; /* "lex_inwhat" to use */
3261 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3262 char *super_bufptr; /* PL_bufptr that was */
3263 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3264};
3265
455ece5e 3266typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3267
2c2d71f5 3268struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3269struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3270
6f51351d
NC
3271/* Keep next first in this structure, because sv_free_arenas take
3272 advantage of this to share code between the pte arenas and the SV
3273 body arenas */
5f7fde29
GS
3274struct ptr_tbl_ent {
3275 struct ptr_tbl_ent* next;
53c1dcc0 3276 const void* oldval;
5f7fde29 3277 void* newval;
d18c6117
GS
3278};
3279
5f7fde29
GS
3280struct ptr_tbl {
3281 struct ptr_tbl_ent** tbl_ary;
3282 UV tbl_max;
3283 UV tbl_items;
d18c6117
GS
3284};
3285
450a55e4 3286#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3287# define I286
3288#endif
3289
fe14fcc3
LW
3290#if defined(htonl) && !defined(HAS_HTONL)
3291#define HAS_HTONL
ae986130 3292#endif
fe14fcc3
LW
3293#if defined(htons) && !defined(HAS_HTONS)
3294#define HAS_HTONS
ae986130 3295#endif
fe14fcc3
LW
3296#if defined(ntohl) && !defined(HAS_NTOHL)
3297#define HAS_NTOHL
ae986130 3298#endif
fe14fcc3
LW
3299#if defined(ntohs) && !defined(HAS_NTOHS)
3300#define HAS_NTOHS
ae986130 3301#endif
fe14fcc3 3302#ifndef HAS_HTONL
d9d8d8de 3303#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3304#define HAS_HTONS
3305#define HAS_HTONL
3306#define HAS_NTOHS
3307#define HAS_NTOHL
a687059c
LW
3308#define MYSWAP
3309#define htons my_swap
3310#define htonl my_htonl
3311#define ntohs my_swap
3312#define ntohl my_ntohl
3313#endif
3314#else
d9d8d8de 3315#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3316#undef HAS_HTONS
3317#undef HAS_HTONL
3318#undef HAS_NTOHS
3319#undef HAS_NTOHL
a687059c
LW
3320#endif
3321#endif
3322
988174c1
LW
3323/*
3324 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3325 * -DWS
3326 */
3327#if BYTEORDER != 0x1234
3328# define HAS_VTOHL
3329# define HAS_VTOHS
3330# define HAS_HTOVL
3331# define HAS_HTOVS
c67712b2 3332# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3333# define vtohl(x) ((((x)&0xFF)<<24) \
3334 +(((x)>>24)&0xFF) \
3335 +(((x)&0x0000FF00)<<8) \
3336 +(((x)&0x00FF0000)>>8) )
3337# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3338# define htovl(x) vtohl(x)
3339# define htovs(x) vtohs(x)
3340# endif
3341 /* otherwise default to functions in util.c */
2a8c3029 3342#ifndef htovs
c623ac67
GS
3343short htovs(short n);
3344short vtohs(short n);
3345long htovl(long n);
3346long vtohl(long n);
988174c1 3347#endif
2a8c3029 3348#endif
988174c1 3349
3bb7c1b4
JH
3350/* *MAX Plus 1. A floating point value.
3351 Hopefully expressed in a way that dodgy floating point can't mess up.
3352 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3353 is added to it
3354 May find that some broken compiler will want the value cast to I32.
3355 [after the shift, as signed >> may not be as secure as unsigned >>]
3356*/
3357#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3358#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3359/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3360 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3361 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3362*/
3363#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3364
3bb7c1b4
JH
3365#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3366#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3367#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3368
3369/* This may look like unnecessary jumping through hoops, but converting
3370 out of range floating point values to integers *is* undefined behaviour,
3371 and it is starting to bite.
3372*/
3373#ifndef CAST_INLINE
65202027 3374#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3375#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3376#define I_V(what) (cast_iv((NV)(what)))
3377#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3378#else
3379#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3380 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3381 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3382#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3383 : ((n) < U32_MAX_P1 ? (U32) (n) \
3384 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3385#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3386 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3387 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3388#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3389 : ((n) < UV_MAX_P1 ? (UV) (n) \
3390 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3391#endif
3392
3393#define U_S(what) ((U16)U_32(what))
3394#define U_I(what) ((unsigned int)U_32(what))
3395#define U_L(what) U_32(what)
ed6116ce 3396
2d4389e4
JH
3397/* These do not care about the fractional part, only about the range. */
3398#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3399#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3400
25da4f38
IZ
3401/* Used with UV/IV arguments: */
3402 /* XXXX: need to speed it up */
3403#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3404#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3405
352d5a3a
LW
3406#ifndef MAXSYSFD
3407# define MAXSYSFD 2
3408#endif
ee0007ab 3409
79072805 3410#ifndef __cplusplus
27da23d5 3411#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3412Uid_t getuid (void);
3413Uid_t geteuid (void);
3414Gid_t getgid (void);
3415Gid_t getegid (void);
79072805 3416#endif
e1caacb4 3417#endif
8d063cd8 3418
0c30d9ec 3419#ifndef Perl_debug_log
bf49b057
GS
3420# define Perl_debug_log PerlIO_stderr()
3421#endif
3422
3423#ifndef Perl_error_log
3424# define Perl_error_log (PL_stderrgv \
6b78add2 3425 && isGV(PL_stderrgv) \
01bb7c6d 3426 && GvIOp(PL_stderrgv) \
42de951c 3427 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3428 ? IoOFP(GvIOp(PL_stderrgv)) \
3429 : PerlIO_stderr())
0c30d9ec 3430#endif
3967c732 3431
aea4f609
DM
3432
3433#define DEBUG_p_FLAG 0x00000001 /* 1 */
3434#define DEBUG_s_FLAG 0x00000002 /* 2 */
3435#define DEBUG_l_FLAG 0x00000004 /* 4 */
3436#define DEBUG_t_FLAG 0x00000008 /* 8 */
3437#define DEBUG_o_FLAG 0x00000010 /* 16 */
3438#define DEBUG_c_FLAG 0x00000020 /* 32 */
3439#define DEBUG_P_FLAG 0x00000040 /* 64 */
3440#define DEBUG_m_FLAG 0x00000080 /* 128 */
3441#define DEBUG_f_FLAG 0x00000100 /* 256 */
3442#define DEBUG_r_FLAG 0x00000200 /* 512 */
3443#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3444#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3445/* U is reserved for Unofficial, exploratory hacking */
3446#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3447#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3448#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3449#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3450#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3451#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3452#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3453#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3454#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3455#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3456#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3457#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3458#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3459
3460#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3461#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3462 that something was done? */
aea4f609 3463
bd16a5f0
IZ
3464# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3465# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3466# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3467# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3468# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3469# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3470# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3471# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3472# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3473# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3474# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3475# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3476# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3477# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3478# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3479# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3480# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3481# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3482# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3483# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3484# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3485# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3486# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3487# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3488# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3489
3967c732 3490#ifdef DEBUGGING
aea4f609 3491
bd16a5f0
IZ
3492# define DEBUG_p_TEST DEBUG_p_TEST_
3493# define DEBUG_s_TEST DEBUG_s_TEST_
3494# define DEBUG_l_TEST DEBUG_l_TEST_
3495# define DEBUG_t_TEST DEBUG_t_TEST_
3496# define DEBUG_o_TEST DEBUG_o_TEST_
3497# define DEBUG_c_TEST DEBUG_c_TEST_
3498# define DEBUG_P_TEST DEBUG_P_TEST_
3499# define DEBUG_m_TEST DEBUG_m_TEST_
3500# define DEBUG_f_TEST DEBUG_f_TEST_
3501# define DEBUG_r_TEST DEBUG_r_TEST_
3502# define DEBUG_x_TEST DEBUG_x_TEST_
3503# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3504# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3505# define DEBUG_H_TEST DEBUG_H_TEST_
3506# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3507# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3508# define DEBUG_D_TEST DEBUG_D_TEST_
3509# define DEBUG_S_TEST DEBUG_S_TEST_
3510# define DEBUG_T_TEST DEBUG_T_TEST_
3511# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3512# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3513# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3514# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3515# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3516# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3517
488b0c7a
JH
3518# define PERL_DEB(a) a
3519# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3520# define DEBUG_p(a) if (DEBUG_p_TEST) a
3521# define DEBUG_s(a) if (DEBUG_s_TEST) a
3522# define DEBUG_l(a) if (DEBUG_l_TEST) a
3523# define DEBUG_t(a) if (DEBUG_t_TEST) a
3524# define DEBUG_o(a) if (DEBUG_o_TEST) a
3525# define DEBUG_c(a) if (DEBUG_c_TEST) a
3526# define DEBUG_P(a) if (DEBUG_P_TEST) a
3527
969058bb
VK
3528 /* Temporarily turn off memory debugging in case the a
3529 * does memory allocation, either directly or indirectly. */
acfe0abc 3530# define DEBUG_m(a) \
0b250b9e 3531 STMT_START { \
aea4f609 3532 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3533 } STMT_END
aea4f609 3534
5f80b19c
AMS
3535# define DEBUG__(t, a) \
3536 STMT_START { \
3537 if (t) STMT_START {a;} STMT_END; \
3538 } STMT_END
3539
3540# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3541#ifndef PERL_EXT_RE_BUILD
5f80b19c 3542# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3543#else
3544# define DEBUG_r(a) STMT_START {a;} STMT_END
3545#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3546# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3547# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3548# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3549# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3550# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3551# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3552# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3553
3db8f154 3554# define DEBUG_S(a)
aea4f609 3555
5f80b19c
AMS
3556# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3557# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3558# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3559# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3560# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3561# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3562
3563#else /* DEBUGGING */
3564
3565# define DEBUG_p_TEST (0)
3566# define DEBUG_s_TEST (0)
3567# define DEBUG_l_TEST (0)
3568# define DEBUG_t_TEST (0)
3569# define DEBUG_o_TEST (0)
3570# define DEBUG_c_TEST (0)
3571# define DEBUG_P_TEST (0)
3572# define DEBUG_m_TEST (0)
3573# define DEBUG_f_TEST (0)
3574# define DEBUG_r_TEST (0)
3575# define DEBUG_x_TEST (0)
3576# define DEBUG_u_TEST (0)
88d2d28a 3577# define DEBUG_U_TEST (0)
aea4f609
DM
3578# define DEBUG_H_TEST (0)
3579# define DEBUG_X_TEST (0)
dd2155a4 3580# define DEBUG_Xv_TEST (0)
aea4f609
DM
3581# define DEBUG_D_TEST (0)
3582# define DEBUG_S_TEST (0)
3583# define DEBUG_T_TEST (0)
04932ac8 3584# define DEBUG_R_TEST (0)
1045810a 3585# define DEBUG_J_TEST (0)
d6721266 3586# define DEBUG_v_TEST (0)
46187eeb 3587# define DEBUG_C_TEST (0)
ecae49c0
NC
3588# define DEBUG_A_TEST (0)
3589# define DEBUG_q_TEST (0)
aea4f609 3590
488b0c7a
JH
3591# define PERL_DEB(a)
3592# define PERL_DEBUG(a)
aea4f609
DM
3593# define DEBUG_p(a)
3594# define DEBUG_s(a)
3595# define DEBUG_l(a)
3596# define DEBUG_t(a)
3597# define DEBUG_o(a)
3598# define DEBUG_c(a)
3599# define DEBUG_P(a)
3600# define DEBUG_m(a)
3601# define DEBUG_f(a)
3602# define DEBUG_r(a)
3603# define DEBUG_x(a)
3604# define DEBUG_u(a)
88d2d28a 3605# define DEBUG_U(a)
aea4f609
DM
3606# define DEBUG_H(a)
3607# define DEBUG_X(a)
dd2155a4 3608# define DEBUG_Xv(a)
aea4f609
DM
3609# define DEBUG_D(a)
3610# define DEBUG_S(a)
3611# define DEBUG_T(a)
04932ac8 3612# define DEBUG_R(a)
d6721266 3613# define DEBUG_v(a)
46187eeb 3614# define DEBUG_C(a)
ecae49c0
NC
3615# define DEBUG_A(a)
3616# define DEBUG_q(a)
aea4f609
DM
3617#endif /* DEBUGGING */
3618
3619
b4ab917c
DM
3620#define DEBUG_SCOPE(where) \
3621 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3622 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3623
3624
3625
3626
d1be9408 3627/* These constants should be used in preference to raw characters
14befaf4
DM
3628 * when using magic. Note that some perl guts still assume
3629 * certain character properties of these constants, namely that
3630 * isUPPER() and toLOWER() may do useful mappings.
3631 *
3632 * Update the magic_names table in dump.c when adding/amending these
3633 */
3634
3635#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3636#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3637#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3638#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3639#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
81714fb9
YO
3640#define PERL_MAGIC_regdata_names '+' /* Regex named capture buffer hash
3641 (%+ support) */
14befaf4
DM
3642#define PERL_MAGIC_regdata 'D' /* Regex match position data
3643 (@+ and @- vars) */
3644#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3645#define PERL_MAGIC_env 'E' /* %ENV hash */
3646#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3647#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3648#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3649#define PERL_MAGIC_hints 'H' /* %^H hash */
3650#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3651#define PERL_MAGIC_isa 'I' /* @ISA array */
3652#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3653#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3654#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3655#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3656#define PERL_MAGIC_mutex 'm' /* for lock op */
3657#define PERL_MAGIC_shared 'N' /* Shared between threads */
3658#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3659#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3660#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3661#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3662#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3663#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3664#define PERL_MAGIC_sig 'S' /* %SIG hash */
3665#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3666#define PERL_MAGIC_taint 't' /* Taintedness */
3667#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3668#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3669#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3670#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3671#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3672#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3673#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3674 smart parameter vivification */
14befaf4
DM
3675#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3676#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3677#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3678#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3679#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3680#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3681#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3682
3683
a6e633de 3684#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3685#define assert(what) PERL_DEB( \
3686 ((what) ? ((void) 0) : \
67eb4d30 3687 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3688 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3689 (void) 0)))
a446a88f 3690#endif
8d063cd8 3691
450a55e4 3692struct ufuncs {
24f81a43
DM
3693 I32 (*uf_val)(pTHX_ IV, SV*);
3694 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3695 IV uf_index;
450a55e4
LW
3696};
3697
14befaf4 3698/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3699 * XS code wanting to be backward compatible can do something
3700 * like the following:
c745e42c 3701
24f81a43 3702#ifndef PERL_MG_UFUNC
24f81a43
DM
3703#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3704#endif
3705
3706static PERL_MG_UFUNC(foo_get, index, val)
3707{
3708 sv_setsv(val, ...);
3709 return TRUE;
3710}
3711
3712-- Doug MacEachern
3713
3714*/
3715
fc9c74e6 3716#ifndef PERL_MG_UFUNC
24f81a43 3717#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3718#endif
24f81a43 3719
fe14fcc3 3720/* Fix these up for __STDC__ */
68dc0745 3721#ifndef DONT_DECLARE_STD
20ce7b12 3722char *mktemp (char*);
37bd1396 3723#ifndef atof
20ce7b12 3724double atof (const char*);
a0d0e21e 3725#endif
37bd1396 3726#endif
79072805 3727
352d5a3a 3728#ifndef STANDARD_C
fe14fcc3 3729/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3730Time_t time();
8d063cd8 3731struct tm *gmtime(), *localtime();
092bebab 3732#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3733char *(strchr)(), *(strrchr)();
3734char *(strcpy)(), *(strcat)();
3735#else
93a17b20 3736char *strchr(), *strrchr();
378cc40b 3737char *strcpy(), *strcat();
9d116dd7 3738#endif
352d5a3a 3739#endif /* ! STANDARD_C */
8d063cd8 3740
79072805
LW
3741
3742#ifdef I_MATH
3743# include <math.h>
3744#else
32f822de 3745START_EXTERN_C
20ce7b12
GS
3746 double exp (double);
3747 double log (double);
3748 double log10 (double);
3749 double sqrt (double);
3750 double frexp (double,int*);
3751 double ldexp (double,int);
3752 double modf (double,double*);
3753 double sin (double);
3754 double cos (double);
3755 double atan2 (double,double);
3756 double pow (double,double);
32f822de 3757END_EXTERN_C
79072805
LW
3758#endif
3759
aa8b85de
JH
3760#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3761# define NV_INF LDBL_INFINITY
3762#endif
3763#if !defined(NV_INF) && defined(DBL_INFINITY)
3764# define NV_INF (NV)DBL_INFINITY
3765#endif
3766#if !defined(NV_INF) && defined(INFINITY)
3767# define NV_INF (NV)INFINITY
3768#endif
3769#if !defined(NV_INF) && defined(INF)
3770# define NV_INF (NV)INF
3771#endif
3772#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3773# define NV_INF (NV)HUGE_VALL
3774#endif
3775#if !defined(NV_INF) && defined(HUGE_VAL)
3776# define NV_INF (NV)HUGE_VAL
3777#endif
3778
3779#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3780# if !defined(NV_NAN) && defined(LDBL_NAN)
3781# define NV_NAN LDBL_NAN
3782# endif
3783# if !defined(NV_NAN) && defined(LDBL_QNAN)
3784# define NV_NAN LDBL_QNAN
3785# endif
3786# if !defined(NV_NAN) && defined(LDBL_SNAN)
3787# define NV_NAN LDBL_SNAN
3788# endif
3789#endif
3790#if !defined(NV_NAN) && defined(DBL_NAN)
3791# define NV_NAN (NV)DBL_NAN
3792#endif
3793#if !defined(NV_NAN) && defined(DBL_QNAN)
3794# define NV_NAN (NV)DBL_QNAN
3795#endif
3796#if !defined(NV_NAN) && defined(DBL_SNAN)
3797# define NV_NAN (NV)DBL_SNAN
3798#endif
3799#if !defined(NV_NAN) && defined(QNAN)
3800# define NV_NAN (NV)QNAN
3801#endif
3802#if !defined(NV_NAN) && defined(SNAN)
3803# define NV_NAN (NV)SNAN
3804#endif
3805#if !defined(NV_NAN) && defined(NAN)
3806# define NV_NAN (NV)NAN
3807#endif
3808
a0d0e21e 3809#ifndef __