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Make the win32/makefile.mk a little safer
[perl5.git] / perl.h
CommitLineData
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
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6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
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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
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380/* gcc (-ansi) -pedantic doesn't allow gcc brace groups,
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
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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
1509 * gcc brace groups, then use the function wrappers which try to trap
1510 * the overflow. If we can use the gcc brace groups, we can try that
1511 * even with the version that uses the C99 variadic macros.
1512 */
1513
1208b3dd
JH
1514/* Note that we do not check against snprintf()/vsnprintf() returning
1515 * negative values because that is non-standard behaviour and we use
1516 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1517 * that should be true only if the snprintf()/vsnprintf() are true
1518 * to the standard. */
1519
dfeee9b1 1520#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1521# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1522# 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 1523# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1524# else
1525# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1526# endif
1527#else
1528# define my_snprintf Perl_my_snprintf
1208b3dd 1529# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1530#endif
1531
dfeee9b1 1532#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1533# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1534# 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 1535# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1536# else
1537# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1538# endif
1539#else
1540# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1541# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1542#endif
d9fad198 1543
a6cc4119
SP
1544#ifdef HAS_STRLCAT
1545# define my_strlcat strlcat
1546#else
1547# define my_strlcat Perl_my_strlcat
1548#endif
1549
1550#ifdef HAS_STRLCPY
1551# define my_strlcpy strlcpy
1552#else
1553# define my_strlcpy Perl_my_strlcpy
1554#endif
1555
c495e728
JH
1556/* Configure gets this right but the UTS compiler gets it wrong.
1557 -- Hal Morris <hom00@utsglobal.com> */
1558#ifdef UTS
1559# undef UVTYPE
1560# define UVTYPE unsigned
1561#endif
1562
05f13f53 1563/*
27d4fb96
PP
1564 The IV type is supposed to be long enough to hold any integral
1565 value or a pointer.
1566 --Andy Dougherty August 1996
1567*/
1568
a22e52b9
JH
1569typedef IVTYPE IV;
1570typedef UVTYPE UV;
8175356b 1571
10cc9d2a 1572#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1573# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1574# define IV_MAX INT64_MAX
1575# define IV_MIN INT64_MIN
1576# define UV_MAX UINT64_MAX
cae7ae48
JH
1577# ifndef UINT64_MIN
1578# define UINT64_MIN 0
1579# endif
5ff3f7a4
GS
1580# define UV_MIN UINT64_MIN
1581# else
1582# define IV_MAX PERL_QUAD_MAX
1583# define IV_MIN PERL_QUAD_MIN
1584# define UV_MAX PERL_UQUAD_MAX
1585# define UV_MIN PERL_UQUAD_MIN
1586# endif
cf2093f6
JH
1587# define IV_IS_QUAD
1588# define UV_IS_QUAD
79072805 1589#else
8175356b 1590# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1591# define IV_MAX INT32_MAX
1592# define IV_MIN INT32_MIN
716026f9
DL
1593# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1594# define UV_MAX UINT32_MAX
1595# else
1596# define UV_MAX 4294967295U
1597# endif
cae7ae48
JH
1598# ifndef UINT32_MIN
1599# define UINT32_MIN 0
1600# endif
5ff3f7a4
GS
1601# define UV_MIN UINT32_MIN
1602# else
1603# define IV_MAX PERL_LONG_MAX
1604# define IV_MIN PERL_LONG_MIN
1605# define UV_MAX PERL_ULONG_MAX
1606# define UV_MIN PERL_ULONG_MIN
1607# endif
8175356b 1608# if IVSIZE == 8
cf2093f6
JH
1609# define IV_IS_QUAD
1610# define UV_IS_QUAD
de1c2614
JH
1611# ifndef HAS_QUAD
1612# define HAS_QUAD
1613# endif
cf2093f6
JH
1614# else
1615# undef IV_IS_QUAD
1616# undef UV_IS_QUAD
de1c2614 1617# undef HAS_QUAD
cf2093f6 1618# endif
79072805 1619#endif
d7d93a81 1620
1109a392
MHM
1621#ifndef HAS_QUAD
1622# undef PERL_NEED_MY_HTOLE64
1623# undef PERL_NEED_MY_LETOH64
1624# undef PERL_NEED_MY_HTOBE64
1625# undef PERL_NEED_MY_BETOH64
1626#endif
1627
6cde8aec 1628#if defined(uts) || defined(UTS)
11afe549
HM
1629# undef UV_MAX
1630# define UV_MAX (4294967295u)
20601011
JH
1631#endif
1632
cae7ae48 1633#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1634#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1635
28e5dec8 1636#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1637#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1638#endif
1639
d460ef45 1640/*
26bb67e2
JH
1641 * The macros INT2PTR and NUM2PTR are (despite their names)
1642 * bi-directional: they will convert int/float to or from pointers.
1643 * However the conversion to int/float are named explicitly:
1644 * PTR2IV, PTR2UV, PTR2NV.
1645 *
1646 * For int conversions we do not need two casts if pointers are
1647 * the same size as IV and UV. Otherwise we need an explicit
1648 * cast (PTRV) to avoid compiler warnings.
1649 */
56431972
RB
1650#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1651# define PTRV UV
1652# define INT2PTR(any,d) (any)(d)
1653#else
d460ef45 1654# if PTRSIZE == LONGSIZE
56431972 1655# define PTRV unsigned long
e91e3b10 1656# define PTR2ul(p) (unsigned long)(p)
42718184 1657# else
56431972 1658# define PTRV unsigned
42718184 1659# endif
e91e3b10
RB
1660#endif
1661
1662#ifndef INT2PTR
56431972 1663# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1664#endif
e91e3b10
RB
1665
1666#ifndef PTR2ul
1667# define PTR2ul(p) INT2PTR(unsigned long,p)
1668#endif
1669
56431972
RB
1670#define NUM2PTR(any,d) (any)(PTRV)(d)
1671#define PTR2IV(p) INT2PTR(IV,p)
1672#define PTR2UV(p) INT2PTR(UV,p)
1673#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1674#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1675
8141890a
JH
1676/* According to strict ANSI C89 one cannot freely cast between
1677 * data pointers and function (code) pointers. There are at least
1678 * two ways around this. One (used below) is to do two casts,
1679 * first the other pointer to an (unsigned) integer, and then
1680 * the integer to the other pointer. The other way would be
1681 * to use unions to "overlay" the pointers. For an example of
1682 * the latter technique, see union dirpu in struct xpvio in sv.h.
1683 * The only feasible use is probably temporarily storing
1684 * function pointers in a data pointer (such as a void pointer). */
1685
e91e3b10
RB
1686#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1687#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1688
65202027 1689#ifdef USE_LONG_DOUBLE
1048ea30
JH
1690# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1691# define LONG_DOUBLE_EQUALS_DOUBLE
1692# endif
68d4903c 1693# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1694# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1695# endif
1696#endif
1697
2d4389e4
JH
1698#ifdef OVR_DBL_DIG
1699/* Use an overridden DBL_DIG */
1700# ifdef DBL_DIG
1701# undef DBL_DIG
1702# endif
1703# define DBL_DIG OVR_DBL_DIG
1704#else
1705/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1706 default value for printing floating point numbers in Gconvert
1707 (see config.h). (It also has other uses, such as figuring out if
1708 a given precision of printing can be done with a double instead of
1709 a long double - Allen).
2d4389e4
JH
1710*/
1711#ifdef I_LIMITS
1712#include <limits.h>
1713#endif
1714#ifdef I_FLOAT
1715#include <float.h>
1716#endif
1717#ifndef HAS_DBL_DIG
1718#define DBL_DIG 15 /* A guess that works lots of places */
1719#endif
1720#endif
cbca01e1
JH
1721#ifdef I_FLOAT
1722#include <float.h>
1723#endif
1724#ifndef HAS_DBL_DIG
1725#define DBL_DIG 15 /* A guess that works lots of places */
1726#endif
2d4389e4
JH
1727
1728#ifdef OVR_LDBL_DIG
1729/* Use an overridden LDBL_DIG */
1730# ifdef LDBL_DIG
1731# undef LDBL_DIG
1732# endif
1733# define LDBL_DIG OVR_LDBL_DIG
1734#else
1735/* The following is all to get LDBL_DIG, in order to pick a nice
1736 default value for printing floating point numbers in Gconvert.
1737 (see config.h)
1738*/
68d4903c
JH
1739# ifdef I_LIMITS
1740# include <limits.h>
1741# endif
1742# ifdef I_FLOAT
1743# include <float.h>
1744# endif
1745# ifndef HAS_LDBL_DIG
1746# if LONG_DOUBLESIZE == 10
1747# define LDBL_DIG 18 /* assume IEEE */
1748# else
1749# if LONG_DOUBLESIZE == 12
1750# define LDBL_DIG 18 /* gcc? */
1751# else
1752# if LONG_DOUBLESIZE == 16
1753# define LDBL_DIG 33 /* assume IEEE */
1754# else
1755# if LONG_DOUBLESIZE == DOUBLESIZE
1756# define LDBL_DIG DBL_DIG /* bummer */
1757# endif
1758# endif
1759# endif
1760# endif
1761# endif
2d4389e4
JH
1762#endif
1763
20f6aaab
AS
1764/*
1765 * This is for making sure we have a good DBL_MAX value, if possible,
1766 * either for usage as NV_MAX or for usage in figuring out if we can
1767 * fit a given long double into a double, if bug-fixing makes it
1768 * necessary to do so. - Allen <allens@cpan.org>
1769 */
1770
205f51d8
AS
1771#ifdef I_LIMITS
1772# include <limits.h>
20f6aaab
AS
1773#endif
1774
205f51d8
AS
1775#ifdef I_VALUES
1776# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1777# include <values.h>
1778# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1779# define DBL_MAX MAXDOUBLE
1780# endif
1781# if defined(MINDOUBLE) && !defined(DBL_MIN)
1782# define DBL_MIN MINDOUBLE
1783# endif
1784# endif
1785#endif /* defined(I_VALUES) */
1786
a22e52b9 1787typedef NVTYPE NV;
8175356b 1788
792d8dab
JH
1789#ifdef I_IEEEFP
1790# include <ieeefp.h>
1791#endif
923fc586 1792
65202027 1793#ifdef USE_LONG_DOUBLE
923fc586
JH
1794# ifdef I_SUNMATH
1795# include <sunmath.h>
1796# endif
2d4389e4 1797# define NV_DIG LDBL_DIG
d6c14000
JH
1798# ifdef LDBL_MANT_DIG
1799# define NV_MANT_DIG LDBL_MANT_DIG
1800# endif
06fc1729
JH
1801# ifdef LDBL_MIN
1802# define NV_MIN LDBL_MIN
1803# endif
1804# ifdef LDBL_MAX
1805# define NV_MAX LDBL_MAX
1806# endif
1807# ifdef LDBL_MIN_10_EXP
1808# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1809# endif
1810# ifdef LDBL_MAX_10_EXP
1811# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1812# endif
1813# ifdef LDBL_EPSILON
1814# define NV_EPSILON LDBL_EPSILON
1815# endif
f4a14a62
JH
1816# ifdef LDBL_MAX
1817# define NV_MAX LDBL_MAX
20f6aaab 1818/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1819# else
1820# ifdef HUGE_VALL
1821# define NV_MAX HUGE_VALL
1822# else
1823# ifdef HUGE_VAL
1824# define NV_MAX ((NV)HUGE_VAL)
1825# endif
1826# endif
1827# endif
68d4903c 1828# ifdef HAS_SQRTL
68d4903c
JH
1829# define Perl_cos cosl
1830# define Perl_sin sinl
1831# define Perl_sqrt sqrtl
1832# define Perl_exp expl
1833# define Perl_log logl
1834# define Perl_atan2 atan2l
1835# define Perl_pow powl
1836# define Perl_floor floorl
1bbae031 1837# define Perl_ceil ceill
68d4903c
JH
1838# define Perl_fmod fmodl
1839# endif
a3540c92
JH
1840/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1841# ifdef HAS_MODFL
1842# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1843/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1844 prototype in <math.h> */
1845# ifndef HAS_MODFL_PROTO
a221a8a5 1846EXTERN_C long double modfl(long double, long double *);
51997bc3 1847# endif
03476e8e
JH
1848# else
1849# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1850 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1851# define Perl_modf(x,y) Perl_my_modfl(x,y)
1852# endif
a3540c92
JH
1853# endif
1854# ifdef HAS_FREXPL
dff3e0b8 1855# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1856# else
1857# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1858 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1859# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1860# endif
a3540c92 1861# endif
38dbb4c5 1862# ifndef Perl_isnan
758a5d79
JH
1863# ifdef HAS_ISNANL
1864# define Perl_isnan(x) isnanl(x)
1865# endif
1866# endif
1867# ifndef Perl_isinf
1868# ifdef HAS_FINITEL
1869# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1870# endif
1871# endif
65202027 1872#else
2d4389e4 1873# define NV_DIG DBL_DIG
d6c14000
JH
1874# ifdef DBL_MANT_DIG
1875# define NV_MANT_DIG DBL_MANT_DIG
1876# endif
06fc1729
JH
1877# ifdef DBL_MIN
1878# define NV_MIN DBL_MIN
1879# endif
1880# ifdef DBL_MAX
1881# define NV_MAX DBL_MAX
1882# endif
1883# ifdef DBL_MIN_10_EXP
1884# define NV_MIN_10_EXP DBL_MIN_10_EXP
1885# endif
1886# ifdef DBL_MAX_10_EXP
1887# define NV_MAX_10_EXP DBL_MAX_10_EXP
1888# endif
1889# ifdef DBL_EPSILON
1890# define NV_EPSILON DBL_EPSILON
1891# endif
205f51d8 1892# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1893# define NV_MAX DBL_MAX
1894# define NV_MIN DBL_MIN
1895# else
1896# ifdef HUGE_VAL
1897# define NV_MAX HUGE_VAL
1898# endif
1899# endif
65202027
DS
1900# define Perl_cos cos
1901# define Perl_sin sin
1902# define Perl_sqrt sqrt
1903# define Perl_exp exp
1904# define Perl_log log
1905# define Perl_atan2 atan2
1906# define Perl_pow pow
1907# define Perl_floor floor
1bbae031 1908# define Perl_ceil ceil
65202027 1909# define Perl_fmod fmod
a3540c92 1910# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1911# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1912#endif
1913
1914/* rumor has it that Win32 has _fpclass() */
1915
205f51d8
AS
1916/* SGI has fpclassl... but not with the same result values,
1917 * and it's via a typedef (not via #define), so will need to redo Configure
1918 * to use. Not worth the trouble, IMO, at least until the below is used
1919 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1920 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1921 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1922
758a5d79
JH
1923#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1924# ifdef I_IEEFP
1925# include <ieeefp.h>
1926# endif
1927# ifdef I_FP
1928# include <fp.h>
1929# endif
1930# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1931# define Perl_fp_class() fpclassl(x)
1932# else
1933# define Perl_fp_class() fpclass(x)
1934# endif
1935# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1936# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1937# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1938# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1939# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1940# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1941# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1942# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1943# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1944# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1945# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1946# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1947# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1948# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1949# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1950#endif
1951
7114a2d2 1952#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1953# include <math.h>
1954# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1955# include <fp_class.h>
1956# endif
1957# define Perl_fp_class(x) fp_class(x)
1958# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1959# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1960# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1961# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1962# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1963# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1964# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1965# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1966# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1967# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1968# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1969# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1970# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1971# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1972# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1973#endif
1974
1975#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1976# include <math.h>
1977# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1978# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1979# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1980# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1981# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1982# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1983#endif
1984
1985#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1986# include <math.h>
1987# ifndef _cplusplus
1988# define Perl_fp_class(x) class(x)
1989# else
1990# define Perl_fp_class(x) _class(x)
1991# endif
1992# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1993# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1994# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1995# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1996# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1997# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1998# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1999# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2000# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2001# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2002# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2003# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2004# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2005# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2006# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2007#endif
2008
2009/* rumor has it that Win32 has _isnan() */
2010
2011#ifndef Perl_isnan
a3540c92 2012# ifdef HAS_ISNAN
758a5d79
JH
2013# define Perl_isnan(x) isnan((NV)x)
2014# else
2015# ifdef Perl_fp_class_nan
2016# define Perl_isnan(x) Perl_fp_class_nan(x)
2017# else
2018# ifdef HAS_UNORDERED
2019# define Perl_isnan(x) unordered((x), 0.0)
2020# else
2021# define Perl_isnan(x) ((x)!=(x))
2022# endif
2023# endif
2024# endif
2025#endif
2026
ca6c63e1
JH
2027#ifdef UNDER_CE
2028int isnan(double d);
2029#endif
2030
758a5d79
JH
2031#ifndef Perl_isinf
2032# ifdef HAS_ISINF
2033# define Perl_isinf(x) isinf((NV)x)
a3540c92 2034# else
758a5d79
JH
2035# ifdef Perl_fp_class_inf
2036# define Perl_isinf(x) Perl_fp_class_inf(x)
2037# else
2038# define Perl_isinf(x) ((x)==NV_INF)
2039# endif
2040# endif
2041#endif
2042
2043#ifndef Perl_isfinite
2044# ifdef HAS_FINITE
2045# define Perl_isfinite(x) finite((NV)x)
2046# else
2047# ifdef HAS_ISFINITE
2048# define Perl_isfinite(x) isfinite(x)
2049# else
2050# ifdef Perl_fp_class_finite
2051# define Perl_isfinite(x) Perl_fp_class_finite(x)
2052# else
2053# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2054# endif
2055# endif
a3540c92 2056# endif
65202027
DS
2057#endif
2058
a36244b7
JH
2059/* The default is to use Perl's own atof() implementation (in numeric.c).
2060 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2061 * it is however best to use the native implementation of atof.
2062 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2063 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2064 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2065 * you may need to be using a different function than atof! */
a36244b7
JH
2066
2067#ifndef USE_PERL_ATOF
2068# ifndef _UNICOS
2069# define USE_PERL_ATOF
2070# endif
2071#else
2072# if USE_PERL_ATOF == 0
2073# undef USE_PERL_ATOF
2074# endif
2075#endif
2076
2077#ifdef USE_PERL_ATOF
2078# define Perl_atof(s) Perl_my_atof(s)
2079# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2080#else
2081# define Perl_atof(s) (NV)atof(s)
2082# define Perl_atof2(s, n) ((n) = atof(s))
2083#endif
cf2093f6 2084
d460ef45 2085/* Previously these definitions used hardcoded figures.
760ac839
LW
2086 * It is hoped these formula are more portable, although
2087 * no data one way or another is presently known to me.
2088 * The "PERL_" names are used because these calculated constants
2089 * do not meet the ANSI requirements for LONG_MAX, etc., which
2090 * need to be constants acceptable to #if - kja
2091 * define PERL_LONG_MAX 2147483647L
2092 * define PERL_LONG_MIN (-LONG_MAX - 1)
2093 * define PERL ULONG_MAX 4294967295L
2094 */
2095
2096#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2097# include <limits.h>
760ac839 2098#endif
205f51d8
AS
2099/* Included values.h above if necessary; still including limits.h down here,
2100 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2101
99abf803
PP
2102/*
2103 * Try to figure out max and min values for the integral types. THE CORRECT
2104 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2105 * following hacks are used if neither limits.h or values.h provide them:
2106 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2107 * for types < int: (unsigned TYPE)~(unsigned)0
2108 * The argument to ~ must be unsigned so that later signed->unsigned
2109 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2110 * and it must not be smaller than int because ~ does integral promotion.
2111 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2112 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2113 * The latter is a hack which happens to work on some machines but
2114 * does *not* catch any random system, or things like integer types
2115 * with NaN if that is possible.
2116 *
2117 * All of the types are explicitly cast to prevent accidental loss of
2118 * numeric range, and in the hope that they will be less likely to confuse
2119 * over-eager optimizers.
2120 *
2121 */
27d4fb96 2122
99abf803
PP
2123#define PERL_UCHAR_MIN ((unsigned char)0)
2124
2125#ifdef UCHAR_MAX
2126# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2127#else
99abf803
PP
2128# ifdef MAXUCHAR
2129# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2130# else
99abf803 2131# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2132# endif
2133#endif
d460ef45 2134
99abf803
PP
2135/*
2136 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2137 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2138 * depending on local options. Until Configure detects this (or at least
2139 * detects whether the "signed" keyword is available) the CHAR ranges
2140 * will not be included. UCHAR functions normally.
2141 * - kja
2142 */
27d4fb96 2143
99abf803
PP
2144#define PERL_USHORT_MIN ((unsigned short)0)
2145
2146#ifdef USHORT_MAX
2147# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2148#else
99abf803
PP
2149# ifdef MAXUSHORT
2150# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2151# else
ef2f54b0
CB
2152# ifdef USHRT_MAX
2153# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2154# else
2155# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2156# endif
27d4fb96
PP
2157# endif
2158#endif
2159
27d4fb96 2160#ifdef SHORT_MAX
99abf803 2161# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2162#else
2163# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2164# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2165# else
ef2f54b0
CB
2166# ifdef SHRT_MAX
2167# define PERL_SHORT_MAX ((short)SHRT_MAX)
2168# else
2169# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2170# endif
27d4fb96
PP
2171# endif
2172#endif
2173
2174#ifdef SHORT_MIN
99abf803 2175# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2176#else
2177# ifdef MINSHORT
99abf803 2178# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2179# else
ef2f54b0
CB
2180# ifdef SHRT_MIN
2181# define PERL_SHORT_MIN ((short)SHRT_MIN)
2182# else
2183# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2184# endif
27d4fb96
PP
2185# endif
2186#endif
2187
99abf803
PP
2188#ifdef UINT_MAX
2189# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2190#else
99abf803
PP
2191# ifdef MAXUINT
2192# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2193# else
99abf803 2194# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2195# endif
2196#endif
2197
99abf803 2198#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2199
2200#ifdef INT_MAX
99abf803 2201# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2202#else
2203# ifdef MAXINT /* Often used in <values.h> */
99abf803 2204# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2205# else
99abf803 2206# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2207# endif
2208#endif
2209
2210#ifdef INT_MIN
99abf803 2211# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2212#else
2213# ifdef MININT
99abf803 2214# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2215# else
2216# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2217# endif
2218#endif
2219
99abf803
PP
2220#ifdef ULONG_MAX
2221# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2222#else
99abf803
PP
2223# ifdef MAXULONG
2224# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2225# else
99abf803 2226# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2227# endif
2228#endif
2229
99abf803 2230#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2231
760ac839 2232#ifdef LONG_MAX
99abf803 2233# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2234#else
2235# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2236# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2237# else
99abf803 2238# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2239# endif
2240#endif
2241
2242#ifdef LONG_MIN
99abf803 2243# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2244#else
2245# ifdef MINLONG
99abf803 2246# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2247# else
27d4fb96 2248# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2249# endif
2250#endif
2251
d7d93a81 2252#ifdef UV_IS_QUAD
99abf803 2253
99abf803 2254# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2255# define PERL_UQUAD_MIN ((UV)0)
99abf803 2256# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2257# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2258
79072805
LW
2259#endif
2260
22f7c9c9
JH
2261#ifdef MYMALLOC
2262# include "malloc_ctl.h"
2263#endif
2264
830247a4 2265struct RExC_state_t;
8e11feef 2266struct _reg_trie_data;
880b20b6 2267
ee0007ab 2268typedef MEM_SIZE STRLEN;
450a55e4 2269
598921a7
NC
2270#ifdef PERL_MAD
2271typedef struct token TOKEN;
2272typedef struct madprop MADPROP;
2273typedef struct nexttoken NEXTTOKE;
2274#endif
79072805
LW
2275typedef struct op OP;
2276typedef struct cop COP;
2277typedef struct unop UNOP;
2278typedef struct binop BINOP;
2279typedef struct listop LISTOP;
2280typedef struct logop LOGOP;
79072805
LW
2281typedef struct pmop PMOP;
2282typedef struct svop SVOP;
7934575e 2283typedef struct padop PADOP;
79072805 2284typedef struct pvop PVOP;
79072805
LW
2285typedef struct loop LOOP;
2286
cd1541b2
NC
2287typedef struct interpreter PerlInterpreter;
2288
d2b3f365
SS
2289/* Amdahl's <ksync.h> has struct sv */
2290/* SGI's <sys/sema.h> has struct sv */
2291#if defined(UTS) || defined(__sgi)
2292# define STRUCT_SV perl_sv
b8d3c5db
JH
2293#else
2294# define STRUCT_SV sv
2295#endif
2296typedef struct STRUCT_SV SV;
79072805
LW
2297typedef struct av AV;
2298typedef struct hv HV;
2299typedef struct cv CV;
378cc40b 2300typedef struct regexp REGEXP;
79072805 2301typedef struct gp GP;
0c30d9ec 2302typedef struct gv GV;
8990e307 2303typedef struct io IO;
c09156bb 2304typedef struct context PERL_CONTEXT;
79072805
LW
2305typedef struct block BLOCK;
2306
2307typedef struct magic MAGIC;
2308typedef struct xpv XPV;
2309typedef struct xpviv XPVIV;
ff68c719 2310typedef struct xpvuv XPVUV;
79072805
LW
2311typedef struct xpvnv XPVNV;
2312typedef struct xpvmg XPVMG;
2313typedef struct xpvlv XPVLV;
2314typedef struct xpvav XPVAV;
2315typedef struct xpvhv XPVHV;
2316typedef struct xpvgv XPVGV;
2317typedef struct xpvcv XPVCV;
2318typedef struct xpvbm XPVBM;
2319typedef struct xpvfm XPVFM;
8990e307 2320typedef struct xpvio XPVIO;
79072805
LW
2321typedef struct mgvtbl MGVTBL;
2322typedef union any ANY;
5f7fde29
GS
2323typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2324typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2325typedef struct clone_params CLONE_PARAMS;
2326
378cc40b 2327#include "handy.h"
a0d0e21e 2328
6b8eaf93 2329#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2330# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2331# define USE_64_BIT_RAWIO /* implicit */
2332# endif
4564133c
JH
2333#endif
2334
6b8eaf93
JH
2335/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2336 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2337 * however, because operating systems like to do that themself. */
2338#ifndef FSEEKSIZE
2339# ifdef HAS_FSEEKO
2340# define FSEEKSIZE LSEEKSIZE
2341# else
2342# define FSEEKSIZE LONGSIZE
d460ef45 2343# endif
6b8eaf93
JH
2344#endif
2345
2346#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2347# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2348# define USE_64_BIT_STDIO /* implicit */
2349# endif
2350#endif
4564133c 2351
09458382 2352#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2353# ifdef HAS_OFF64_T
2354# undef Off_t
2355# define Off_t off64_t
2356# undef LSEEKSIZE
2357# define LSEEKSIZE 8
5ff3f7a4 2358# endif
d9b3e12d
JH
2359/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2360 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2361 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2362# if defined(USE_OPEN64)
2363# define open open64
5ff3f7a4 2364# endif
d9b3e12d
JH
2365# if defined(USE_LSEEK64)
2366# define lseek lseek64
6b8eaf93
JH
2367# else
2368# if defined(USE_LLSEEK)
2369# define lseek llseek
2370# endif
d9b3e12d
JH
2371# endif
2372# if defined(USE_STAT64)
2373# define stat stat64
2374# endif
2375# if defined(USE_FSTAT64)
2376# define fstat fstat64
2377# endif
2378# if defined(USE_LSTAT64)
2379# define lstat lstat64
2380# endif
2381# if defined(USE_FLOCK64)
2382# define flock flock64
2383# endif
2384# if defined(USE_LOCKF64)
2385# define lockf lockf64
2386# endif
2387# if defined(USE_FCNTL64)
2388# define fcntl fcntl64
2389# endif
2390# if defined(USE_TRUNCATE64)
2391# define truncate truncate64
2392# endif
2393# if defined(USE_FTRUNCATE64)
2394# define ftruncate ftruncate64
2395# endif
2396#endif
2397
2398#ifdef USE_64_BIT_STDIO
2399# ifdef HAS_FPOS64_T
2400# undef Fpos_t
2401# define Fpos_t fpos64_t
2402# endif
2403/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2404 * will trigger defines like the ones below. Some 64-bit environments,
2405 * however, do not. */
2406# if defined(USE_FOPEN64)
2407# define fopen fopen64
2408# endif
2409# if defined(USE_FSEEK64)
6b8eaf93 2410# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2411# endif
2412# if defined(USE_FTELL64)
6b8eaf93 2413# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2414# endif
2415# if defined(USE_FSETPOS64)
2416# define fsetpos fsetpos64
2417# endif
2418# if defined(USE_FGETPOS64)
2419# define fgetpos fgetpos64
2420# endif
2421# if defined(USE_TMPFILE64)
2422# define tmpfile tmpfile64
2423# endif
2424# if defined(USE_FREOPEN64)
2425# define freopen freopen64
5ff3f7a4
GS
2426# endif
2427#endif
2428
af8b425d 2429#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2430# include "iperlsys.h"
2431#endif
2432
6f71a643 2433#if defined(__OPEN_VM)
19848b3f
JH
2434# include "vmesa/vmesaish.h"
2435# define ISHISH "vmesa"
6f71a643
JH
2436#endif
2437
748a9306 2438#ifdef DOSISH
19848b3f
JH
2439# if defined(OS2)
2440# include "os2ish.h"
2441# else
2442# include "dosish.h"
2443# endif
2444# define ISHISH "dos"
2445#endif
2446
2447#if defined(VMS)
748a9306 2448# include "vmsish.h"
96e176bf 2449# include "embed.h"
eb8433b7
NC
2450# ifndef PERL_MAD
2451# undef op_getmad
b3f24c00 2452# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2453# endif
19848b3f
JH
2454# define ISHISH "vms"
2455#endif
2456
2457#if defined(PLAN9)
2458# include "./plan9/plan9ish.h"
2459# define ISHISH "plan9"
2460#endif
2461
2462#if defined(MPE)
2463# include "mpeix/mpeixish.h"
2464# define ISHISH "mpeix"
2465#endif
2466
2467#if defined(__VOS__)
196918b0
PG
2468# ifdef __GNUC__
2469# include "./vos/vosish.h"
2470# else
2471# include "vos/vosish.h"
2472# endif
19848b3f
JH
2473# define ISHISH "vos"
2474#endif
2475
2476#if defined(EPOC)
2477# include "epocish.h"
2478# define ISHISH "epoc"
2479#endif
2480
9969cdde 2481#ifdef __SYMBIAN32__
27da23d5
JH
2482# include "symbian/symbianish.h"
2483# include "embed.h"
eb8433b7
NC
2484# ifndef PERL_MAD
2485# undef op_getmad
b3f24c00 2486# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2487# endif
27da23d5
JH
2488# define ISHISH "symbian"
2489#endif
2490
19848b3f
JH
2491#if defined(MACOS_TRADITIONAL)
2492# include "macos/macish.h"
2493# ifndef NO_ENVIRON_ARRAY
2494# define NO_ENVIRON_ARRAY
0c30d9ec 2495# endif
19848b3f
JH
2496# define ISHISH "macos classic"
2497#endif
2498
efca5cc6
JH
2499#if defined(__BEOS__)
2500# include "beos/beosish.h"
2501# define ISHISH "beos"
2502#endif
2503
19848b3f
JH
2504#ifndef ISHISH
2505# include "unixish.h"
2506# define ISHISH "unix"
13b6e58c
JH
2507#endif
2508
2946a158
JH
2509/* NSIG logic from Configure --> */
2510/* Strange style to avoid deeply-nested #if/#else/#endif */
2511#ifndef NSIG
2512# ifdef _NSIG
2513# define NSIG (_NSIG)
2514# endif
2515#endif
2516
2517#ifndef NSIG
2518# ifdef SIGMAX
2519# define NSIG (SIGMAX+1)
2520# endif
2521#endif
2522
2523#ifndef NSIG
2524# ifdef SIG_MAX
2525# define NSIG (SIG_MAX+1)
2526# endif
2527#endif
2528
2529#ifndef NSIG
2530# ifdef _SIG_MAX
2531# define NSIG (_SIG_MAX+1)
2532# endif
2533#endif
2534
2535#ifndef NSIG
2536# ifdef MAXSIG
2537# define NSIG (MAXSIG+1)
2538# endif
2539#endif
2540
2541#ifndef NSIG
2542# ifdef MAX_SIG
2543# define NSIG (MAX_SIG+1)
2544# endif
2545#endif
2546
2547#ifndef NSIG
2548# ifdef SIGARRAYSIZE
2549# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2550# endif
2551#endif
2552
2553#ifndef NSIG
2554# ifdef _sys_nsig
2555# define NSIG (_sys_nsig) /* Solaris 2.5 */
2556# endif
2557#endif
2558
2559/* Default to some arbitrary number that's big enough to get most
2560 of the common signals.
2561*/
2562#ifndef NSIG
2563# define NSIG 50
2564#endif
2565/* <-- NSIG logic from Configure */
2566
13b6e58c
JH
2567#ifndef NO_ENVIRON_ARRAY
2568# define USE_ENVIRON_ARRAY
2569#endif
32f822de 2570
c77b533b
JH
2571/*
2572 * initialise to avoid floating-point exceptions from overflow, etc
2573 */
2574#ifndef PERL_FPU_INIT
2575# ifdef HAS_FPSETMASK
2576# if HAS_FLOATINGPOINT_H
2577# include <floatingpoint.h>
2578# endif
7f7c3354 2579# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2580# else
2f42fcb0 2581# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2582# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2583# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2584# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2585# else
2586# define PERL_FPU_INIT
2f42fcb0 2587
7014c407 2588# endif
c77b533b
JH
2589# endif
2590#endif
b35112e7
CS
2591#ifndef PERL_FPU_PRE_EXEC
2592# define PERL_FPU_PRE_EXEC {
2593# define PERL_FPU_POST_EXEC }
2594#endif
c77b533b 2595
ed344e4f
IZ
2596#ifndef PERL_SYS_INIT3
2597# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2598#endif
2599
be708cc0
JH
2600#ifndef PERL_WRITE_MSG_TO_CONSOLE
2601# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2602#endif
2603
0f31cffe
GS
2604#ifndef MAXPATHLEN
2605# ifdef PATH_MAX
b990c8b2
JH
2606# ifdef _POSIX_PATH_MAX
2607# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2608/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2609 * included the null byte or not. Later amendments of POSIX,
2610 * XPG4, the Austin Group, and the Single UNIX Specification
2611 * all explicitly include the null byte in the PATH_MAX.
2612 * Ditto for _POSIX_PATH_MAX. */
2613# define MAXPATHLEN PATH_MAX
b990c8b2 2614# else
09448d78 2615# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2616# endif
2617# else
2618# define MAXPATHLEN (PATH_MAX+1)
2619# endif
0f31cffe 2620# else
b990c8b2 2621# ifdef _POSIX_PATH_MAX
09448d78 2622# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2623# else
2624# define MAXPATHLEN 1024 /* Err on the large side. */
2625# endif
0f31cffe
GS
2626# endif
2627#endif
2628
c80263a8
SH
2629/* In case Configure was not used (we are using a "canned config"
2630 * such as Win32, or a cross-compilation setup, for example) try going
2631 * by the gcc major and minor versions. One useful URL is
2632 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2633 * but contrary to this information warn_unused_result seems
2634 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2635 * Also, when building extensions with an installed perl, this allows
2636 * the user to upgrade gcc and get the right attributes, rather than
2637 * relying on the list generated at Configure time. --AD
c80263a8
SH
2638 * Set these up now otherwise we get confused when some of the <*thread.h>
2639 * includes below indirectly pull in <perlio.h> (which needs to know if we
2640 * have HASATTRIBUTE_FORMAT).
2641 */
2642
fc2007d4 2643#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2644# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2645# define HASATTRIBUTE_FORMAT
2646# endif
2647# if __GNUC__ >= 3 /* 3.0 -> */
2648# define HASATTRIBUTE_MALLOC
2649# endif
2650# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2651# define HASATTRIBUTE_NONNULL
2652# endif
2653# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2654# define HASATTRIBUTE_NORETURN
2655# endif
2656# if __GNUC__ >= 3 /* gcc 3.0 -> */
2657# define HASATTRIBUTE_PURE
2658# endif
42bf5550 2659# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2660# define HASATTRIBUTE_UNUSED
2661# endif
d324fe49
AD
2662# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2663# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2664# endif
c80263a8
SH
2665# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2666# define HASATTRIBUTE_WARN_UNUSED_RESULT
2667# endif
2668#endif
2669
3db8f154 2670/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2671 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2672 * this results in many functions being undeclared which bothers C++
2673 * May make sense to have threads after "*ish.h" anyway
2674 */
2675
3db8f154 2676#if defined(USE_ITHREADS)
2986a63f
JH
2677# ifdef NETWARE
2678# include <nw5thread.h>
2679# else
32f822de
GS
2680# ifdef FAKE_THREADS
2681# include "fakethr.h"
2682# else
2683# ifdef WIN32
2684# include <win32thread.h>
2685# else
dd96f567
IZ
2686# ifdef OS2
2687# include "os2thread.h"
2688# else
7f3d1cf1 2689# ifdef I_MACH_CTHREADS
bdd66968 2690# include <mach/cthreads.h>
8f1f23e8 2691# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2692# define MUTEX_INIT_CALLS_MALLOC
2693# endif
7f3d1cf1
BH
2694typedef cthread_t perl_os_thread;
2695typedef mutex_t perl_mutex;
2696typedef condition_t perl_cond;
2697typedef void * perl_key;
2698# else /* Posix threads */
1f5ae88c
JH
2699# ifdef I_PTHREAD
2700# include <pthread.h>
2701# endif
7f3d1cf1
BH
2702typedef pthread_t perl_os_thread;
2703typedef pthread_mutex_t perl_mutex;
2704typedef pthread_cond_t perl_cond;
2705typedef pthread_key_t perl_key;
2706# endif /* I_MACH_CTHREADS */
dd96f567 2707# endif /* OS2 */
32f822de
GS
2708# endif /* WIN32 */
2709# endif /* FAKE_THREADS */
2986a63f 2710#endif /* NETWARE */
3db8f154 2711#endif /* USE_ITHREADS */
c5be433b 2712
66a93824 2713#if defined(WIN32)
1feb2720 2714# include "win32.h"
c5be433b
GS
2715#endif
2716
2986a63f
JH
2717#ifdef NETWARE
2718# include "netware.h"
2719#endif
2720
e5218da5 2721#define STATUS_UNIX PL_statusvalue
68dc0745 2722#ifdef VMS
6b88bc9c 2723# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2724/*
2725 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2726 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2727 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2728 * be updated also.
2729 */
2730# include <stsdef.h>
2731# include <ssdef.h>
2732/* Presume this because if VMS changes it, it will require a new
2733 * set of APIs for waiting on children for binary compatibility.
2734 */
2735# define child_offset_bits (8)
2736# ifndef C_FAC_POSIX
2737# define C_FAC_POSIX 0x35A000
2738# endif
2739
2740/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2741 * platform from the existing UNIX or Native status values.
2742 */
2743
37038d91 2744# define STATUS_EXIT \
7a7fd8e0
JM
2745 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2746 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2747
7a7fd8e0 2748
fb38d079
JM
2749/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2750 * exit code and shifts the UNIX value over the correct number of bits to
2751 * be a child status. Usually the number of bits is 8, but that could be
2752 * platform dependent. The NATIVE status code is presumed to have either
2753 * from a child process.
7a7fd8e0
JM
2754 */
2755
fb38d079
JM
2756/* This is complicated. The child processes return a true native VMS
2757 status which must be saved. But there is an assumption in Perl that
2758 the UNIX child status has some relationship to errno values, so
2759 Perl tries to translate it to text in some of the tests.
2760 In order to get the string translation correct, for the error, errno
2761 must be EVMSERR, but that generates a different text message
2762 than what the test programs are expecting. So an errno value must
2763 be derived from the native status value when an error occurs.
2764 That will hide the true native status message. With this version of
2765 perl, the true native child status can always be retrieved so that
2766 is not a problem. But in this case, Pl_statusvalue and errno may
2767 have different values in them.
2768 */
7a7fd8e0 2769
fb38d079 2770# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2771 STMT_START { \
2fbb330f
JM
2772 I32 evalue = (I32)n; \
2773 if (evalue == EVMSERR) { \
2774 PL_statusvalue_vms = vaxc$errno; \
2775 PL_statusvalue = evalue; \
7a7fd8e0 2776 } else { \
2fbb330f 2777 PL_statusvalue_vms = evalue; \
fb38d079 2778 if (evalue == -1) { \
3280af22 2779 PL_statusvalue = -1; \
7a7fd8e0
JM
2780 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2781 } else \
fb38d079 2782 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2783 set_vaxc_errno(evalue); \
fb38d079
JM
2784 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2785 set_errno(EVMSERR); \
2786 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2787 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2788 } \
68dc0745 2789 } STMT_END
7a7fd8e0 2790
68dc0745 2791# ifdef VMSISH_STATUS
e5218da5 2792# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2793# else
e5218da5 2794# define STATUS_CURRENT STATUS_UNIX
68dc0745 2795# endif
7a7fd8e0
JM
2796
2797 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2798 * the NATIVE status to an equivalent value. Can not be used to translate
2799 * exit code values as exit code values are not guaranteed to have any
2800 * relationship at all to errno values.
2801 * This is used when Perl is forcing errno to have a specific value.
2802 */
e5218da5 2803# define STATUS_UNIX_SET(n) \
68dc0745 2804 STMT_START { \
7a7fd8e0 2805 I32 evalue = (I32)n; \
0968cdad 2806 PL_statusvalue = evalue; \
3280af22 2807 if (PL_statusvalue != -1) { \
0968cdad
JM
2808 if (PL_statusvalue != EVMSERR) { \
2809 PL_statusvalue &= 0xFFFF; \
2810 if (MY_POSIX_EXIT) \
2811 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2812 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2813 } \
2814 else { \
2815 PL_statusvalue_vms = vaxc$errno; \
2816 } \
68dc0745 2817 } \
0968cdad
JM
2818 else PL_statusvalue_vms = SS$_ABORT; \
2819 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2820 } STMT_END
2821
2822 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2823 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2824 * the UNIX/POSIX exit codes have any relationship to errno, except
2825 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2826 * with the Perl VMS documentation, any other code sets the NATIVE
2827 * status to a failure code of SS$_ABORT.
fb38d079
JM
2828 *
2829 * In the new POSIX EXIT mode, native status will be set so that the
2830 * actual exit code will can be retrieved by the calling program or
2831 * shell.
2832 *
2833 * If the exit code is not clearly a UNIX parent or child exit status,
2834 * it will be passed through as a VMS status.
7a7fd8e0
JM
2835 */
2836
fb38d079 2837# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2838 STMT_START { \
2839 I32 evalue = (I32)n; \
2840 PL_statusvalue = evalue; \
fb38d079
JM
2841 if (evalue != -1) { \
2842 if (evalue <= 0xFF00) { \
2843 if (evalue > 0xFF) \
2844 evalue = (evalue >> child_offset_bits) & 0xFF; \
2845 if (evalue == 0) \
2846 PL_statusvalue_vms == SS$_NORMAL; \
2847 else \
2848 if (MY_POSIX_EXIT) \
2849 PL_statusvalue_vms = \
2850 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2851 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2852 else \
6ac6a52b 2853 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2854 } else { /* forgive them Perl, for they have sinned */ \
2855 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2856 else PL_statusvalue_vms = vaxc$errno; \
2857 /* And obviously used a VMS status value instead of UNIX */ \
2858 PL_statusvalue = EVMSERR; \
2859 } \
7a7fd8e0
JM
2860 } \
2861 else PL_statusvalue_vms = SS$_ABORT; \
2862 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2863 } STMT_END
fb38d079 2864
6ac6a52b
JM
2865 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2866 * and sets the NATIVE error status based on it. This special case
2867 * is needed to maintain compatibility with past VMS behavior.
2868 *
2869 * In the default mode on VMS, this number is passed through as
2870 * both the NATIVE and UNIX status. Which makes it different
2871 * that the STATUS_UNIX_EXIT_SET.
2872 *
2873 * In the new POSIX EXIT mode, native status will be set so that the
2874 * actual exit code will can be retrieved by the calling program or
2875 * shell.
2876 *
2877 */
2878
2879# define STATUS_EXIT_SET(n) \
2880 STMT_START { \
2881 I32 evalue = (I32)n; \
2882 PL_statusvalue = evalue; \
2883 if (MY_POSIX_EXIT) \
2884 PL_statusvalue_vms = \
2885 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2886 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2887 else \
2888 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2889 set_vaxc_errno(PL_statusvalue_vms); \
2890 } STMT_END
2891
fb38d079
JM
2892
2893 /* This macro forces a success status */
7a7fd8e0
JM
2894# define STATUS_ALL_SUCCESS \
2895 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2896
2897 /* This macro forces a failure status */
7a7fd8e0
JM
2898# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2899 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2900 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2901
68dc0745 2902#else
e5218da5 2903# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2904# if defined(WCOREDUMP)
37038d91 2905# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2906 STMT_START { \
2907 PL_statusvalue_posix = (n); \
2908 if (PL_statusvalue_posix == -1) \
2909 PL_statusvalue = -1; \
2910 else { \
2911 PL_statusvalue = \
2912 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2913 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2914 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2915 } \
2916 } STMT_END
2917# elif defined(WIFEXITED)
37038d91 2918# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2919 STMT_START { \
2920 PL_statusvalue_posix = (n); \
2921 if (PL_statusvalue_posix == -1) \
2922 PL_statusvalue = -1; \
2923 else { \
2924 PL_statusvalue = \
2925 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2926 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2927 } \
2928 } STMT_END
2929# else
37038d91 2930# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2931 STMT_START { \
2932 PL_statusvalue_posix = (n); \
2933 if (PL_statusvalue_posix == -1) \
2934 PL_statusvalue = -1; \
2935 else { \
2936 PL_statusvalue = \
2937 PL_statusvalue_posix & 0xFFFF; \
2938 } \
2939 } STMT_END
2940# endif
2941# define STATUS_UNIX_SET(n) \
68dc0745 2942 STMT_START { \
3280af22
NIS
2943 PL_statusvalue = (n); \
2944 if (PL_statusvalue != -1) \
2945 PL_statusvalue &= 0xFFFF; \
68dc0745 2946 } STMT_END
7a7fd8e0 2947# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2948# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2949# define STATUS_CURRENT STATUS_UNIX
37038d91 2950# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2951# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2952# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2953#endif
2954
cc3604b1
GS
2955/* flags in PL_exit_flags for nature of exit() */
2956#define PERL_EXIT_EXPECTED 0x01
31d77e54 2957#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2958
0b94c7bb 2959#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2960# define MEMBER_TO_FPTR(name) name
2961#endif
2962
2963/* format to use for version numbers in file/directory names */
273cf8d1 2964/* XXX move to Configure? */
a7cb1f99 2965#ifndef PERL_FS_VER_FMT
273cf8d1 2966# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2967#endif
2968
45bc9206 2969/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2970 * performance issue, so we allow people to disable it. Also, if
2971 * we are using stdio, there are broken implementations of fflush(NULL)
2972 * out there, Solaris being the most prominent.
45bc9206
GS
2973 */
2974#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2975# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2976# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2977# else
2978# ifdef FFLUSH_ALL
2979# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2980# else
c5be433b 2981# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2982# endif
66fe083f 2983# endif
45bc9206
GS
2984#endif
2985
7766f137
GS
2986#ifndef PERL_WAIT_FOR_CHILDREN
2987# define PERL_WAIT_FOR_CHILDREN NOOP
2988#endif
2989
ba869deb 2990/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2991#ifndef PERL_SET_INTERP
2992# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2993#endif
2994
2995#ifndef PERL_GET_INTERP
2996# define PERL_GET_INTERP (PL_curinterp)
2997#endif
2998
54aff467 2999#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3000# ifdef MULTIPLICITY
ba869deb 3001# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3002# endif
ba869deb
GS
3003# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3004#endif
3005
8896765a
RB
3006/*
3007 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3008 All that is required is that the perl source does not
8896765a
RB
3009 use "%-p" or "%-<number>p" or "%<number>p" formats.
3010 These formats will still work in perl code.
3011 See comments in sv.c for futher details.
3012
3013 -DvdNUMBER=<number> can be used to redefine VDf
3014
3015 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3016 which works properly but gives compiler warnings
3017
3018 Robin Barker 2005-07-14
0dbb1585 3019*/
8896765a
RB
3020
3021#ifndef SVf_
63ce7bf0 3022# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3023#endif
3024
8896765a 3025#ifndef SVf
104abab4 3026# define SVf "-p"
d2560b70
RB
3027#endif
3028
014ead4b 3029#ifndef SVf32
8896765a 3030# define SVf32 SVf_(32)
014ead4b
RB
3031#endif
3032
3033#ifndef SVf256
8896765a
RB
3034# define SVf256 SVf_(256)
3035#endif
3036
3037#ifndef vdNUMBER
3038# define vdNUMBER 1
3039#endif
3040
3041#ifndef VDf
3042# if vdNUMBER
63ce7bf0 3043# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3044# else
3045# define VDf "vd"
3046# endif
014ead4b
RB
3047#endif
3048
f5992bc4 3049/* not used; but needed for backward compatibilty with XS code? - RMB */
014ead4b
RB
3050#ifndef UVf
3051# define UVf UVuf
d2560b70
RB
3052#endif
3053
0dbb1585
AL
3054#ifdef HASATTRIBUTE_FORMAT
3055# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3056#endif
3057#ifdef HASATTRIBUTE_MALLOC
77785eea 3058# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3059#endif
0dbb1585 3060#ifdef HASATTRIBUTE_NONNULL
abb2c242 3061# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3062#endif
0dbb1585 3063#ifdef HASATTRIBUTE_NORETURN
abb2c242 3064# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3065#endif
0dbb1585 3066#ifdef HASATTRIBUTE_PURE
abb2c242 3067# define __attribute__pure__ __attribute__((pure))
f22be1b8 3068#endif
0dbb1585
AL
3069#ifdef HASATTRIBUTE_UNUSED
3070# define __attribute__unused__ __attribute__((unused))
3071#endif
3072#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3073# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3074#endif
3075
0dbb1585
AL
3076/* If we haven't defined the attributes yet, define them to blank. */
3077#ifndef __attribute__format__
3078# define __attribute__format__(x,y,z)
3079#endif
f22be1b8 3080#ifndef __attribute__malloc__
abb2c242 3081# define __attribute__malloc__
f22be1b8
JH
3082#endif
3083#ifndef __attribute__nonnull__
abb2c242 3084# define __attribute__nonnull__(a)
f22be1b8
JH
3085#endif
3086#ifndef __attribute__noreturn__
abb2c242 3087# define __attribute__noreturn__
f22be1b8
JH
3088#endif
3089#ifndef __attribute__pure__
abb2c242 3090# define __attribute__pure__
f22be1b8 3091#endif
0dbb1585
AL
3092#ifndef __attribute__unused__
3093# define __attribute__unused__
3094#endif
f22be1b8 3095#ifndef __attribute__warn_unused_result__
abb2c242
JH
3096# define __attribute__warn_unused_result__
3097#endif
3098
0dbb1585
AL
3099/* For functions that are marked as __attribute__noreturn__, it's not
3100 appropriate to call return. In either case, include the lint directive.
3101 */
3102#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3103# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3104#else
b37c2d43 3105# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3106#endif
3107
cdfeb707
RB
3108/* Some OS warn on NULL format to printf */
3109#ifdef PRINTF_FORMAT_NULL_OK
3110# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3111#else
3112# define __attribute__format__null_ok__(x,y,z)
3113#endif
3114
635aebb7 3115#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3116# define EXPECT(expr,val) __builtin_expect(expr,val)
3117#else
3118# define EXPECT(expr,val) (expr)
3119#endif
3120#define LIKELY(cond) EXPECT(cond,1)
3121#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3122#ifdef HAS_BUILTIN_CHOOSE_EXPR
3123/* placeholder */
3124#endif
b37c2d43 3125
3fc1aec6
PP
3126/* Some unistd.h's give a prototype for pause() even though
3127 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3128 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3129*/
3130#ifdef HAS_PAUSE
3131#define Pause pause
3132#else
3133#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3134#endif
3135
3136#ifndef IOCPARM_LEN
3137# ifdef IOCPARM_MASK
61f1c44b 3138 /* on BSDish systems we're safe */
748a9306
LW
3139# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3140# else
61f1c44b 3141# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3142 /* on Linux systems we're safe; except when we're not [perl #38223] */
3143# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3144# else
748a9306 3145 /* otherwise guess at what's safe */
61f1c44b
JVD
3146# define IOCPARM_LEN(x) 256
3147# endif
748a9306 3148# endif
a0d0e21e
LW
3149#endif
3150
1761cee5 3151#if defined(__CYGWIN__)
521e0776
GS
3152/* USEMYBINMODE
3153 * This symbol, if defined, indicates that the program should
16fe6d59 3154 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3155 * that a file is in "binary" mode -- that is, that no translation
3156 * of bytes occurs on read or write operations.
3157 */
36894f0b 3158# define USEMYBINMODE /**/
77a40698 3159# include <io.h> /* for setmode() prototype */
16fe6d59 3160# define my_binmode(fp, iotype, mode) \
77a40698 3161 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3162#endif
3163
88d10794
JH
3164#ifdef __CYGWIN__
3165void init_os_extras(void);
3166#endif
3167
cea2e8a9
GS
3168#ifdef UNION_ANY_DEFINITION
3169UNION_ANY_DEFINITION;
3170#else
3171union any {
3172 void* any_ptr;
3173 I32 any_i32;
3174 IV any_iv;
3175 long any_long;
9febdf04 3176 bool any_bool;
c76ac1ee 3177 void (*any_dptr) (void*);
acfe0abc 3178 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3179};
3180#endif
3181
acfe0abc 3182typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3183
3184#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3185#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3186#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3187
c5078cac
JH
3188#if defined(_AIX) && !defined(_AIX43)
3189#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3190/* We cannot include <crypt.h> to get the struct crypt_data
3191 * because of setkey prototype problems when threading */
3192typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3193 /* From OSF, Not needed in AIX
3194 char C[28], D[28];
3195 */
3196 char E[48];
3197 char KS[16][48];
3198 char block[66];
3199 char iobuf[16];
3200} CRYPTD;
3201#endif /* threading */
3202#endif /* AIX */
3203
af8b425d 3204#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3205# include "iperlsys.h"
3206#endif
504f80c1 3207
d10dc2ae
JH
3208/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3209 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3210 * defined by Configure, despite their names being similar to the
3211 * other defines like USE_ITHREADS. Configure in fact knows nothing
3212 * about the randomised hashes. Therefore to enable/disable the hash
3213 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3214#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3215# define USE_HASH_SEED
504f80c1
JH
3216#endif
3217
598921a7
NC
3218/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3219 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3220 * it's not really needed.
3221 */
3222#if defined(WIN32)
3223# define YYTOKENTYPE
3224#endif
3225#include "perly.h"
3226
3227#ifdef PERL_MAD
3228struct nexttoken {
3229 YYSTYPE next_val; /* value of next token, if any */
3230 I32 next_type; /* type of next token */
3231 MADPROP *next_mad; /* everything else about that token */
3232};
3233#endif
3234
378cc40b 3235#include "regexp.h"
79072805 3236#include "sv.h"
378cc40b 3237#include "util.h"
8d063cd8 3238#include "form.h"
79072805 3239#include "gv.h"
dd2155a4 3240#include "pad.h"
79072805 3241#include "cv.h"
abdd5c84 3242#include "opnames.h"
79072805 3243#include "op.h"
b3ca2e83 3244#include "hv.h"
79072805
LW
3245#include "cop.h"
3246#include "av.h"
79072805
LW
3247#include "mg.h"
3248#include "scope.h"
4438c4b7 3249#include "warnings.h"
a0ed51b3 3250#include "utf8.h"
8d063cd8 3251
7fae4e64
GS
3252
3253typedef struct _sublex_info SUBLEXINFO;
3254struct _sublex_info {
3255 I32 super_state; /* lexer state to save */
3256 I32 sub_inwhat; /* "lex_inwhat" to use */
3257 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3258 char *super_bufptr; /* PL_bufptr that was */
3259 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3260};
3261
455ece5e 3262typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3263
2c2d71f5 3264struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3265struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3266
6f51351d
NC
3267/* Keep next first in this structure, because sv_free_arenas take
3268 advantage of this to share code between the pte arenas and the SV
3269 body arenas */
5f7fde29
GS
3270struct ptr_tbl_ent {
3271 struct ptr_tbl_ent* next;
53c1dcc0 3272 const void* oldval;
5f7fde29 3273 void* newval;
d18c6117
GS
3274};
3275
5f7fde29
GS
3276struct ptr_tbl {
3277 struct ptr_tbl_ent** tbl_ary;
3278 UV tbl_max;
3279 UV tbl_items;
d18c6117
GS
3280};
3281
450a55e4 3282#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3283# define I286
3284#endif
3285
fe14fcc3
LW
3286#if defined(htonl) && !defined(HAS_HTONL)
3287#define HAS_HTONL
ae986130 3288#endif
fe14fcc3
LW
3289#if defined(htons) && !defined(HAS_HTONS)
3290#define HAS_HTONS
ae986130 3291#endif
fe14fcc3
LW
3292#if defined(ntohl) && !defined(HAS_NTOHL)
3293#define HAS_NTOHL
ae986130 3294#endif
fe14fcc3
LW
3295#if defined(ntohs) && !defined(HAS_NTOHS)
3296#define HAS_NTOHS
ae986130 3297#endif
fe14fcc3 3298#ifndef HAS_HTONL
d9d8d8de 3299#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3300#define HAS_HTONS
3301#define HAS_HTONL
3302#define HAS_NTOHS
3303#define HAS_NTOHL
a687059c
LW
3304#define MYSWAP
3305#define htons my_swap
3306#define htonl my_htonl
3307#define ntohs my_swap
3308#define ntohl my_ntohl
3309#endif
3310#else
d9d8d8de 3311#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3312#undef HAS_HTONS
3313#undef HAS_HTONL
3314#undef HAS_NTOHS
3315#undef HAS_NTOHL
a687059c
LW
3316#endif
3317#endif
3318
988174c1
LW
3319/*
3320 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3321 * -DWS
3322 */
3323#if BYTEORDER != 0x1234
3324# define HAS_VTOHL
3325# define HAS_VTOHS
3326# define HAS_HTOVL
3327# define HAS_HTOVS
c67712b2 3328# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3329# define vtohl(x) ((((x)&0xFF)<<24) \
3330 +(((x)>>24)&0xFF) \
3331 +(((x)&0x0000FF00)<<8) \
3332 +(((x)&0x00FF0000)>>8) )
3333# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3334# define htovl(x) vtohl(x)
3335# define htovs(x) vtohs(x)
3336# endif
3337 /* otherwise default to functions in util.c */
2a8c3029 3338#ifndef htovs
c623ac67
GS
3339short htovs(short n);
3340short vtohs(short n);
3341long htovl(long n);
3342long vtohl(long n);
988174c1 3343#endif
2a8c3029 3344#endif
988174c1 3345
3bb7c1b4
JH
3346/* *MAX Plus 1. A floating point value.
3347 Hopefully expressed in a way that dodgy floating point can't mess up.
3348 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3349 is added to it
3350 May find that some broken compiler will want the value cast to I32.
3351 [after the shift, as signed >> may not be as secure as unsigned >>]
3352*/
3353#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3354#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3355/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3356 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3357 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3358*/
3359#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3360
3bb7c1b4
JH
3361#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3362#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3363#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3364
3365/* This may look like unnecessary jumping through hoops, but converting
3366 out of range floating point values to integers *is* undefined behaviour,
3367 and it is starting to bite.
3368*/
3369#ifndef CAST_INLINE
65202027 3370#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3371#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3372#define I_V(what) (cast_iv((NV)(what)))
3373#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3374#else
3375#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3376 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3377 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3378#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3379 : ((n) < U32_MAX_P1 ? (U32) (n) \
3380 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3381#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3382 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3383 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3384#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3385 : ((n) < UV_MAX_P1 ? (UV) (n) \
3386 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3387#endif
3388
3389#define U_S(what) ((U16)U_32(what))
3390#define U_I(what) ((unsigned int)U_32(what))
3391#define U_L(what) U_32(what)
ed6116ce 3392
2d4389e4
JH
3393/* These do not care about the fractional part, only about the range. */
3394#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3395#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3396
25da4f38
IZ
3397/* Used with UV/IV arguments: */
3398 /* XXXX: need to speed it up */
3399#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3400#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3401
352d5a3a
LW
3402#ifndef MAXSYSFD
3403# define MAXSYSFD 2
3404#endif
ee0007ab 3405
79072805 3406#ifndef __cplusplus
27da23d5 3407#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3408Uid_t getuid (void);
3409Uid_t geteuid (void);
3410Gid_t getgid (void);
3411Gid_t getegid (void);
79072805 3412#endif
e1caacb4 3413#endif
8d063cd8 3414
0c30d9ec 3415#ifndef Perl_debug_log
bf49b057
GS
3416# define Perl_debug_log PerlIO_stderr()
3417#endif
3418
3419#ifndef Perl_error_log
3420# define Perl_error_log (PL_stderrgv \
6b78add2 3421 && isGV(PL_stderrgv) \
01bb7c6d 3422 && GvIOp(PL_stderrgv) \
42de951c 3423 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3424 ? IoOFP(GvIOp(PL_stderrgv)) \
3425 : PerlIO_stderr())
0c30d9ec 3426#endif
3967c732 3427
aea4f609
DM
3428
3429#define DEBUG_p_FLAG 0x00000001 /* 1 */
3430#define DEBUG_s_FLAG 0x00000002 /* 2 */
3431#define DEBUG_l_FLAG 0x00000004 /* 4 */
3432#define DEBUG_t_FLAG 0x00000008 /* 8 */
3433#define DEBUG_o_FLAG 0x00000010 /* 16 */
3434#define DEBUG_c_FLAG 0x00000020 /* 32 */
3435#define DEBUG_P_FLAG 0x00000040 /* 64 */
3436#define DEBUG_m_FLAG 0x00000080 /* 128 */
3437#define DEBUG_f_FLAG 0x00000100 /* 256 */
3438#define DEBUG_r_FLAG 0x00000200 /* 512 */
3439#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3440#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3441/* U is reserved for Unofficial, exploratory hacking */
3442#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3443#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3444#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3445#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3446#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3447#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3448#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3449#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3450#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3451#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3452#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3453#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3454#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3455
3456#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3457#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3458 that something was done? */
aea4f609 3459
bd16a5f0
IZ
3460# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3461# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3462# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3463# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3464# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3465# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3466# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3467# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3468# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3469# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3470# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3471# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3472# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3473# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3474# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3475# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3476# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3477# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3478# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3479# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3480# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3481# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3482# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3483# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3484# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3485
3967c732 3486#ifdef DEBUGGING
aea4f609 3487
bd16a5f0
IZ
3488# define DEBUG_p_TEST DEBUG_p_TEST_
3489# define DEBUG_s_TEST DEBUG_s_TEST_
3490# define DEBUG_l_TEST DEBUG_l_TEST_
3491# define DEBUG_t_TEST DEBUG_t_TEST_
3492# define DEBUG_o_TEST DEBUG_o_TEST_
3493# define DEBUG_c_TEST DEBUG_c_TEST_
3494# define DEBUG_P_TEST DEBUG_P_TEST_
3495# define DEBUG_m_TEST DEBUG_m_TEST_
3496# define DEBUG_f_TEST DEBUG_f_TEST_
3497# define DEBUG_r_TEST DEBUG_r_TEST_
3498# define DEBUG_x_TEST DEBUG_x_TEST_
3499# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3500# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3501# define DEBUG_H_TEST DEBUG_H_TEST_
3502# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3503# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3504# define DEBUG_D_TEST DEBUG_D_TEST_
3505# define DEBUG_S_TEST DEBUG_S_TEST_
3506# define DEBUG_T_TEST DEBUG_T_TEST_
3507# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3508# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3509# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3510# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3511# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3512# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3513
488b0c7a
JH
3514# define PERL_DEB(a) a
3515# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3516# define DEBUG_p(a) if (DEBUG_p_TEST) a
3517# define DEBUG_s(a) if (DEBUG_s_TEST) a
3518# define DEBUG_l(a) if (DEBUG_l_TEST) a
3519# define DEBUG_t(a) if (DEBUG_t_TEST) a
3520# define DEBUG_o(a) if (DEBUG_o_TEST) a
3521# define DEBUG_c(a) if (DEBUG_c_TEST) a
3522# define DEBUG_P(a) if (DEBUG_P_TEST) a
3523
969058bb
VK
3524 /* Temporarily turn off memory debugging in case the a
3525 * does memory allocation, either directly or indirectly. */
acfe0abc 3526# define DEBUG_m(a) \
0b250b9e 3527 STMT_START { \
aea4f609 3528 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3529 } STMT_END
aea4f609 3530
5f80b19c
AMS
3531# define DEBUG__(t, a) \
3532 STMT_START { \
3533 if (t) STMT_START {a;} STMT_END; \
3534 } STMT_END
3535
3536# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3537#ifndef PERL_EXT_RE_BUILD
5f80b19c 3538# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3539#else
3540# define DEBUG_r(a) STMT_START {a;} STMT_END
3541#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3542# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3543# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3544# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3545# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3546# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3547# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3548# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3549
3db8f154 3550# define DEBUG_S(a)
aea4f609 3551
5f80b19c
AMS
3552# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3553# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3554# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3555# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3556# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3557# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3558
3559#else /* DEBUGGING */
3560
3561# define DEBUG_p_TEST (0)
3562# define DEBUG_s_TEST (0)
3563# define DEBUG_l_TEST (0)
3564# define DEBUG_t_TEST (0)
3565# define DEBUG_o_TEST (0)
3566# define DEBUG_c_TEST (0)
3567# define DEBUG_P_TEST (0)
3568# define DEBUG_m_TEST (0)
3569# define DEBUG_f_TEST (0)
3570# define DEBUG_r_TEST (0)
3571# define DEBUG_x_TEST (0)
3572# define DEBUG_u_TEST (0)
88d2d28a 3573# define DEBUG_U_TEST (0)
aea4f609
DM
3574# define DEBUG_H_TEST (0)
3575# define DEBUG_X_TEST (0)
dd2155a4 3576# define DEBUG_Xv_TEST (0)
aea4f609
DM
3577# define DEBUG_D_TEST (0)
3578# define DEBUG_S_TEST (0)
3579# define DEBUG_T_TEST (0)
04932ac8 3580# define DEBUG_R_TEST (0)
1045810a 3581# define DEBUG_J_TEST (0)
d6721266 3582# define DEBUG_v_TEST (0)
46187eeb 3583# define DEBUG_C_TEST (0)
ecae49c0
NC
3584# define DEBUG_A_TEST (0)
3585# define DEBUG_q_TEST (0)
aea4f609 3586
488b0c7a
JH
3587# define PERL_DEB(a)
3588# define PERL_DEBUG(a)
aea4f609
DM
3589# define DEBUG_p(a)
3590# define DEBUG_s(a)
3591# define DEBUG_l(a)
3592# define DEBUG_t(a)
3593# define DEBUG_o(a)
3594# define DEBUG_c(a)
3595# define DEBUG_P(a)
3596# define DEBUG_m(a)
3597# define DEBUG_f(a)
3598# define DEBUG_r(a)
3599# define DEBUG_x(a)
3600# define DEBUG_u(a)
88d2d28a 3601# define DEBUG_U(a)
aea4f609
DM
3602# define DEBUG_H(a)
3603# define DEBUG_X(a)
dd2155a4 3604# define DEBUG_Xv(a)
aea4f609
DM
3605# define DEBUG_D(a)
3606# define DEBUG_S(a)
3607# define DEBUG_T(a)
04932ac8 3608# define DEBUG_R(a)
d6721266 3609# define DEBUG_v(a)
46187eeb 3610# define DEBUG_C(a)
ecae49c0
NC
3611# define DEBUG_A(a)
3612# define DEBUG_q(a)
aea4f609
DM
3613#endif /* DEBUGGING */
3614
3615
b4ab917c
DM
3616#define DEBUG_SCOPE(where) \
3617 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3618 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3619
3620
3621
3622
d1be9408 3623/* These constants should be used in preference to raw characters
14befaf4
DM
3624 * when using magic. Note that some perl guts still assume
3625 * certain character properties of these constants, namely that
3626 * isUPPER() and toLOWER() may do useful mappings.
3627 *
3628 * Update the magic_names table in dump.c when adding/amending these
3629 */
3630
3631#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3632#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3633#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3634#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3635#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
81714fb9
YO
3636#define PERL_MAGIC_regdata_names '+' /* Regex named capture buffer hash
3637 (%+ support) */
14befaf4
DM
3638#define PERL_MAGIC_regdata 'D' /* Regex match position data
3639 (@+ and @- vars) */
3640#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3641#define PERL_MAGIC_env 'E' /* %ENV hash */
3642#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3643#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3644#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3645#define PERL_MAGIC_hints 'H' /* %^H hash */
3646#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3647#define PERL_MAGIC_isa 'I' /* @ISA array */
3648#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3649#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3650#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3651#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3652#define PERL_MAGIC_mutex 'm' /* for lock op */
3653#define PERL_MAGIC_shared 'N' /* Shared between threads */
3654#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3655#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3656#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3657#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3658#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3659#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3660#define PERL_MAGIC_sig 'S' /* %SIG hash */
3661#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3662#define PERL_MAGIC_taint 't' /* Taintedness */
3663#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3664#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3665#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3666#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3667#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3668#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3669#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3670 smart parameter vivification */
14befaf4
DM
3671#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3672#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3673#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3674#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3675#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3676#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3677#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3678
3679
a6e633de 3680#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3681#define assert(what) PERL_DEB( \
3682 ((what) ? ((void) 0) : \
67eb4d30 3683 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3684 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3685 (void) 0)))
a446a88f 3686#endif
8d063cd8 3687
450a55e4 3688struct ufuncs {
24f81a43
DM
3689 I32 (*uf_val)(pTHX_ IV, SV*);
3690 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3691 IV uf_index;
450a55e4
LW
3692};
3693
14befaf4 3694/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3695 * XS code wanting to be backward compatible can do something
3696 * like the following:
c745e42c 3697
24f81a43 3698#ifndef PERL_MG_UFUNC
24f81a43
DM
3699#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3700#endif
3701
3702static PERL_MG_UFUNC(foo_get, index, val)
3703{
3704 sv_setsv(val, ...);
3705 return TRUE;
3706}
3707
3708-- Doug MacEachern
3709
3710*/
3711
fc9c74e6 3712#ifndef PERL_MG_UFUNC
24f81a43 3713#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3714#endif
24f81a43 3715
fe14fcc3 3716/* Fix these up for __STDC__ */
68dc0745 3717#ifndef DONT_DECLARE_STD
20ce7b12 3718char *mktemp (char*);
37bd1396 3719#ifndef atof
20ce7b12 3720double atof (const char*);
a0d0e21e 3721#endif
37bd1396 3722#endif
79072805 3723
352d5a3a 3724#ifndef STANDARD_C
fe14fcc3 3725/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3726Time_t time();
8d063cd8 3727struct tm *gmtime(), *localtime();
092bebab 3728#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3729char *(strchr)(), *(strrchr)();
3730char *(strcpy)(), *(strcat)();
3731#else
93a17b20 3732char *strchr(), *strrchr();
378cc40b 3733char *strcpy(), *strcat();
9d116dd7 3734#endif
352d5a3a 3735#endif /* ! STANDARD_C */
8d063cd8 3736
79072805
LW
3737
3738#ifdef I_MATH
3739# include <math.h>
3740#else
32f822de 3741START_EXTERN_C
20ce7b12
GS
3742 double exp (double);
3743 double log (double);
3744 double log10 (double);
3745 double sqrt (double);
3746 double frexp (double,int*);
3747 double ldexp (double,int);
3748 double modf (double,double*);
3749 double sin (double);
3750 double cos (double);
3751 double atan2 (double,double);
3752 double pow (double,double);
32f822de 3753END_EXTERN_C
79072805
LW
3754#endif
3755
aa8b85de
JH
3756#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3757# define NV_INF LDBL_INFINITY
3758#endif
3759#if !defined(NV_INF) && defined(DBL_INFINITY)
3760# define NV_INF (NV)DBL_INFINITY
3761#endif
3762#if !defined(NV_INF) && defined(INFINITY)
3763# define NV_INF (NV)INFINITY
3764#endif
3765#if !defined(NV_INF) && defined(INF)
3766# define NV_INF (NV)INF
3767#endif
3768#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3769# define NV_INF (NV)HUGE_VALL
3770#endif
3771#if !defined(NV_INF) && defined(HUGE_VAL)
3772# define NV_INF (NV)HUGE_VAL
3773#endif
3774
3775#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3776# if !defined(NV_NAN) && defined(LDBL_NAN)
3777# define NV_NAN LDBL_NAN
3778# endif
3779# if !defined(NV_NAN) && defined(LDBL_QNAN)
3780# define NV_NAN LDBL_QNAN
3781# endif
3782# if !defined(NV_NAN) && defined(LDBL_SNAN)
3783# define NV_NAN LDBL_SNAN
3784# endif
3785#endif
3786#if !defined(NV_NAN) && defined(DBL_NAN)
3787# define NV_NAN (NV)DBL_NAN
3788#endif
3789#if !defined(NV_NAN) && defined(DBL_QNAN)
3790# define NV_NAN (NV)DBL_QNAN
3791#endif
3792#if !defined(NV_NAN) && defined(DBL_SNAN)
3793# define NV_NAN (NV)DBL_SNAN
3794#endif
3795#if !defined(NV_NAN) && defined(QNAN)
3796# define NV_NAN (NV)QNAN
3797#endif
3798#if !defined(NV_NAN) && defined(SNAN)
3799# define NV_NAN (NV)SNAN
3800#endif
3801#if !defined(NV_NAN) && defined(NAN)
3802# define NV_NAN (NV)NAN
3803#endif
3804
a0d0e21e 3805#ifndef __cplusplus
8f1f23e8 3806# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3807char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3808# else
f