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Re: [perl #49564] Re: MRO and av_clear
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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LW
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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JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH
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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JH
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
97aff369
JH
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.)
af28e889
JH
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)
af28e889
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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)
f9f4320a 198
3ab4a224 199#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 200
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AB
201#define CALLREGCOMP_ENG(prog, sv, flags) \
202 CALL_FPTR(((prog)->comp))(aTHX_ sv, flags)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
07bc277f 204 CALL_FPTR(RX_ENGINE(prog)->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) \
07bc277f 207 CALL_FPTR(RX_ENGINE(prog)->intuit)(aTHX_ (prog), (sv), (strpos), \
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208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
07bc277f 210 CALL_FPTR(RX_ENGINE(prog)->checkstr)(aTHX_ (prog))
f8149455 211
f8149455
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212#define CALLREGFREE(prog) \
213 Perl_pregfree(aTHX_ (prog))
214
215#define CALLREGFREE_PVT(prog) \
07bc277f 216 if(prog) CALL_FPTR(RX_ENGINE(prog)->free)(aTHX_ (prog))
f8149455 217
2fdbfb4d 218#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
07bc277f 219 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_FETCH)(aTHX_ (rx),(paren),(usesv))
93b32b6d 220
2fdbfb4d 221#define CALLREG_NUMBUF_STORE(rx,paren,value) \
07bc277f 222 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_STORE)(aTHX_ (rx),(paren),(value))
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223
224#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
07bc277f 225 CALL_FPTR(RX_ENGINE(rx)->numbered_buff_LENGTH)(aTHX_ (rx),(sv),(paren))
2fdbfb4d 226
192b9cd1 227#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
07bc277f 228 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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229
230#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
07bc277f 231 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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232
233#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
07bc277f 234 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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AB
235
236#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
07bc277f 237 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB
238
239#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
07bc277f 240 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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241
242#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
07bc277f 243 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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244
245#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
07bc277f 246 CALL_FPTR(RX_ENGINE(rx)->named_buff_iter)(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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247
248#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
07bc277f 249 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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250
251#define CALLREG_NAMED_BUFF_COUNT(rx) \
07bc277f 252 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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AB
253
254#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
07bc277f 255 CALL_FPTR(RX_ENGINE(rx)->named_buff)(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 256
49d7dfbc 257#define CALLREG_PACKAGE(rx) \
07bc277f 258 CALL_FPTR(RX_ENGINE(rx)->qr_package)(aTHX_ (rx))
93b32b6d 259
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260#if defined(USE_ITHREADS)
261#define CALLREGDUPE(prog,param) \
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262 Perl_re_dup(aTHX_ (prog),(param))
263
264#define CALLREGDUPE_PVT(prog,param) \
07bc277f 265 (prog ? CALL_FPTR(RX_ENGINE(prog)->dupe)(aTHX_ (prog),(param)) \
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266 : (REGEXP *)NULL)
267#endif
14dd3ad8 268
a20207d7 269
bcdf7404 270
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271
272
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273/*
274 * Because of backward compatibility reasons the PERL_UNUSED_DECL
275 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
276 *
277 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 278 * which do not have an "inlined" way (like the gcc __attribute__) of
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279 * marking unused variables (they need e.g. a #pragma) and therefore
280 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
281 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
282 *
283 */
1266ad8c 284
9969cdde 285#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 286# ifdef __cplusplus
5ba4cab2 287# define PERL_UNUSED_DECL
5b2bd0a5 288# else
5ba4cab2 289# define PERL_UNUSED_DECL __attribute__((unused))
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AMS
290# endif
291#endif
44dbb695 292
5b2bd0a5 293#ifndef PERL_UNUSED_DECL
34659ad4 294# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 295# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 296# else
5ba4cab2 297# define PERL_UNUSED_DECL
b79c357a 298# endif
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299#endif
300
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301/* gcc -Wall:
302 * for silencing unused variables that are actually used most of the time,
a0288114 303 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 304 */
53c1dcc0 305#ifndef PERL_UNUSED_ARG
c99ffe5e 306# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 307# include <note.h>
53c1dcc0 308# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 309# else
53c1dcc0 310# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
311# endif
312#endif
53c1dcc0
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313#ifndef PERL_UNUSED_VAR
314# define PERL_UNUSED_VAR(x) ((void)x)
315#endif
ad73156c 316
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317#ifdef USE_ITHREADS
318# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
319#else
320# define PERL_UNUSED_CONTEXT
321#endif
322
6f207bd3 323#define NOOP /*EMPTY*/(void)0
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324#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
325#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
326#else
6f207bd3 327#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 328#endif
71be2cbc 329
0cb96387 330#ifndef pTHX
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331/* Don't bother defining tTHX and sTHX; using them outside
332 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
333 */
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334# define pTHX void
335# define pTHX_
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336# define aTHX
337# define aTHX_
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338# define dTHXa(a) dNOOP
339# define dTHX dNOOP
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340# define pTHX_1 1
341# define pTHX_2 2
342# define pTHX_3 3
343# define pTHX_4 4
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344# define pTHX_5 5
345# define pTHX_6 6
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346# define pTHX_7 7
347# define pTHX_8 8
348# define pTHX_9 9
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349#endif
350
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351#ifndef dVAR
352# define dVAR dNOOP
353#endif
354
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355/* these are only defined for compatibility; should not be used internally */
356#if !defined(pTHXo) && !defined(PERL_CORE)
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357# define pTHXo pTHX
358# define pTHXo_ pTHX_
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359# define aTHXo aTHX
360# define aTHXo_ aTHX_
c5be433b 361# define dTHXo dTHX
71d280e3 362# define dTHXoa(x) dTHXa(x)
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363#endif
364
365#ifndef pTHXx
366# define pTHXx register PerlInterpreter *my_perl
367# define pTHXx_ pTHXx,
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368# define aTHXx my_perl
369# define aTHXx_ aTHXx,
c5be433b 370# define dTHXx dTHX
22c35a8c 371#endif
71be2cbc 372
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373/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
374 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
375 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
376#ifdef PERL_IMPLICIT_SYS
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377# ifdef PERL_GLOBAL_STRUCT_PRIVATE
378# define dTHXs dVAR; dTHX
379# else
380# define dTHXs dTHX
381# endif
1de7c2ac 382#else
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383# ifdef PERL_GLOBAL_STRUCT_PRIVATE
384# define dTHXs dVAR
385# else
386# define dTHXs dNOOP
387# endif
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388#endif
389
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390#undef START_EXTERN_C
391#undef END_EXTERN_C
392#undef EXTERN_C
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393#ifdef __cplusplus
394# define START_EXTERN_C extern "C" {
395# define END_EXTERN_C }
396# define EXTERN_C extern "C"
397#else
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398# define START_EXTERN_C
399# define END_EXTERN_C
73c4f7a1 400# define EXTERN_C extern
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401#endif
402
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JH
403/* Some platforms require marking function declarations
404 * for them to be exportable. Used in perlio.h, proto.h
405 * is handled either by the makedef.pl or by defining the
406 * PERL_CALLCONV to be something special. See also the
407 * definition of XS() in XSUB.h. */
408#ifndef PERL_EXPORT_C
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JH
409# ifdef __cplusplus
410# define PERL_EXPORT_C extern "C"
411# else
412# define PERL_EXPORT_C extern
413# endif
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414#endif
415#ifndef PERL_XS_EXPORT_C
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416# ifdef __cplusplus
417# define PERL_XS_EXPORT_C extern "C"
418# else
419# define PERL_XS_EXPORT_C
420# endif
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421#endif
422
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423#ifdef OP_IN_REGISTER
424# ifdef __GNUC__
425# define stringify_immed(s) #s
426# define stringify(s) stringify_immed(s)
d1ca3daa 427register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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MB
428# endif
429#endif
430
e5afc1ae 431/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
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432 * g++ allows them but seems to have problems with them
433 * (insane errors ensue). */
434#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 435# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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436# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
437# endif
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438#endif
439
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JH
440#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
441# ifndef PERL_USE_GCC_BRACE_GROUPS
442# define PERL_USE_GCC_BRACE_GROUPS
443# endif
444#endif
445
728e2803
PP
446/*
447 * STMT_START { statements; } STMT_END;
448 * can be used as a single statement, as in
449 * if (x) STMT_START { ... } STMT_END; else ...
450 *
451 * Trying to select a version that gives no warnings...
452 */
453#if !(defined(STMT_START) && defined(STMT_END))
5b692037 454# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 455# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
456# define STMT_END )
457# else
458 /* Now which other defined()s do we need here ??? */
93189314 459# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
460# define STMT_START if (1)
461# define STMT_END else (void)0
462# else
463# define STMT_START do
464# define STMT_END while (0)
465# endif
466# endif
467#endif
468
0cb96387 469#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 470#define WITH_THR(s) WITH_THX(s)
ea0efc06 471
d6f9c181
JH
472#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
473# define BYTEORDER 0x1234
79072805
LW
474#endif
475
476/* Overall memory policy? */
477#ifndef CONSERVATIVE
478# define LIBERAL 1
479#endif
480
8ada0baa
JH
481#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
482#define ASCIIish
483#else
484#undef ASCIIish
485#endif
486
79072805
LW
487/*
488 * The following contortions are brought to you on behalf of all the
489 * standards, semi-standards, de facto standards, not-so-de-facto standards
490 * of the world, as well as all the other botches anyone ever thought of.
491 * The basic theory is that if we work hard enough here, the rest of the
492 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
493 */
ac58e20f 494
ee0007ab 495/* define this once if either system, instead of cluttering up the src */
2986a63f 496#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
497#define DOSISH 1
498#endif
499
fb38d079 500#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
501# define STANDARD_C 1
502#endif
503
9969cdde 504#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
505# define DONT_DECLARE_STD 1
506#endif
507
352d5a3a 508#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 509# ifdef __cplusplus
cb69f87a 510# define VOL /* to temporarily suppress warnings */
79072805
LW
511# else
512# define VOL volatile
513# endif
663a0e37 514#else
79072805 515# define VOL
663a0e37
LW
516#endif
517
3280af22
NIS
518#define TAINT (PL_tainted = TRUE)
519#define TAINT_NOT (PL_tainted = FALSE)
520#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
521#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 522#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 523
d460ef45 524/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
525 defines move there? If so, I could simplify this a lot. --AD 9/96.
526*/
527/* Process group stuff changed from traditional BSD to POSIX.
528 perlfunc.pod documents the traditional BSD-style syntax, so we'll
529 try to preserve that, if possible.
530*/
531#ifdef HAS_SETPGID
532# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 533#else
a6e633de
PP
534# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
535# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
536# else
537# ifdef HAS_SETPGRP2 /* DG/UX */
538# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
539# endif
540# endif
541#endif
542#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
543# define HAS_SETPGRP /* Well, effectively it does . . . */
544#endif
545
546/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
547 our life easier :-) so we'll try it.
548*/
549#ifdef HAS_GETPGID
550# define BSD_GETPGRP(pid) getpgid((pid))
551#else
552# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
553# define BSD_GETPGRP(pid) getpgrp((pid))
554# else
555# ifdef HAS_GETPGRP2 /* DG/UX */
556# define BSD_GETPGRP(pid) getpgrp2((pid))
557# endif
558# endif
559#endif
560#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
561# define HAS_GETPGRP /* Well, effectively it does . . . */
562#endif
563
d460ef45 564/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
565 have different behaviors, but perl.h used to define USE_BSDPGRP
566 (prior to 5.003_05) so some extension might depend on it.
567*/
568#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
569# ifndef USE_BSDPGRP
570# define USE_BSDPGRP
571# endif
663a0e37
LW
572#endif
573
8ac5a1fe
MH
574/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
575 pthread.h must be included before all other header files.
576*/
3db8f154 577#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
578# include <pthread.h>
579#endif
580
760ac839
LW
581#ifndef _TYPES_ /* If types.h defines this it's easy. */
582# ifndef major /* Does everyone's types.h define this? */
583# include <sys/types.h>
c07a80fd 584# endif
663a0e37
LW
585#endif
586
760ac839
LW
587#ifdef __cplusplus
588# ifndef I_STDARG
589# define I_STDARG 1
590# endif
591#endif
592
593#ifdef I_STDARG
594# include <stdarg.h>
595#else
596# ifdef I_VARARGS
597# include <varargs.h>
598# endif
599#endif
600
4633a7c4 601#ifdef USE_NEXT_CTYPE
0c30d9ec 602
092bebab
JH
603#if NX_CURRENT_COMPILER_RELEASE >= 500
604# include <bsd/ctypes.h>
605#else
606# if NX_CURRENT_COMPILER_RELEASE >= 400
607# include <objc/NXCType.h>
608# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
609# include <appkit/NXCType.h>
610# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
611#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
612
613#else /* !USE_NEXT_CTYPE */
fe14fcc3 614#include <ctype.h>
0c30d9ec 615#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
616
617#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
618#undef METHOD
a0d0e21e
LW
619#endif
620
12ae5dfc
JH
621#ifdef PERL_MICRO
622# define NO_LOCALE
623#endif
624
4633a7c4 625#ifdef I_LOCALE
36477c24 626# include <locale.h>
4633a7c4
LW
627#endif
628
36477c24
PP
629#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
630# define USE_LOCALE
631# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
632 && defined(HAS_STRXFRM)
633# define USE_LOCALE_COLLATE
634# endif
635# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
636# define USE_LOCALE_CTYPE
637# endif
638# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
639# define USE_LOCALE_NUMERIC
640# endif
641#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 642
fe14fcc3 643#include <setjmp.h>
79072805 644
a0d0e21e 645#ifdef I_SYS_PARAM
79072805
LW
646# ifdef PARAM_NEEDS_TYPES
647# include <sys/types.h>
648# endif
649# include <sys/param.h>
352d5a3a 650#endif
79072805 651
79072805 652/* Use all the "standard" definitions? */
a0d0e21e 653#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 654# include <stdlib.h>
ff68c719 655#endif
03a14243 656
3f270f98
JH
657/* If this causes problems, set i_unistd=undef in the hint file. */
658#ifdef I_UNISTD
659# include <unistd.h>
660#endif
661
9969cdde 662#ifdef __SYMBIAN32__
27da23d5
JH
663# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
664#endif
665
7114a2d2 666#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 667EXTERN_C int syscall(int, ...);
2ef53570
JH
668#endif
669
7114a2d2 670#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 671EXTERN_C int usleep(unsigned int);
2ef53570
JH
672#endif
673
9c12f1e5
RGS
674/* Funky places that do not have socket stuff. */
675#if defined(__LIBCATAMOUNT__)
676# define MYSWAP
677#endif
678
9a34ef1d
GS
679#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
680# define MYSWAP
681#endif
682
1109a392
MHM
683#ifdef PERL_CORE
684
685/* macros for correct constant construction */
686# if INTSIZE >= 2
687# define U16_CONST(x) ((U16)x##U)
688# else
689# define U16_CONST(x) ((U16)x##UL)
690# endif
691
692# if INTSIZE >= 4
693# define U32_CONST(x) ((U32)x##U)
694# else
695# define U32_CONST(x) ((U32)x##UL)
696# endif
697
698# ifdef HAS_QUAD
699# if INTSIZE >= 8
700# define U64_CONST(x) ((U64)x##U)
701# elif LONGSIZE >= 8
702# define U64_CONST(x) ((U64)x##UL)
703# elif QUADKIND == QUAD_IS_LONG_LONG
704# define U64_CONST(x) ((U64)x##ULL)
705# else /* best guess we can make */
706# define U64_CONST(x) ((U64)x##UL)
707# endif
708# endif
709
710/* byte-swapping functions for big-/little-endian conversion */
711# define _swab_16_(x) ((U16)( \
712 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
713 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
714
715# define _swab_32_(x) ((U32)( \
716 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
717 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
718 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
719 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
720
721# ifdef HAS_QUAD
722# define _swab_64_(x) ((U64)( \
723 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
724 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
725 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
726 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
727 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
728 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
729 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
730 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
731# endif
732
733/*----------------------------------------------------------------------------*/
734# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
735/*----------------------------------------------------------------------------*/
736# define my_htole16(x) (x)
737# define my_letoh16(x) (x)
738# define my_htole32(x) (x)
739# define my_letoh32(x) (x)
740# define my_htobe16(x) _swab_16_(x)
741# define my_betoh16(x) _swab_16_(x)
742# define my_htobe32(x) _swab_32_(x)
743# define my_betoh32(x) _swab_32_(x)
744# ifdef HAS_QUAD
745# define my_htole64(x) (x)
746# define my_letoh64(x) (x)
747# define my_htobe64(x) _swab_64_(x)
748# define my_betoh64(x) _swab_64_(x)
749# endif
750# define my_htoles(x) (x)
751# define my_letohs(x) (x)
752# define my_htolei(x) (x)
753# define my_letohi(x) (x)
754# define my_htolel(x) (x)
755# define my_letohl(x) (x)
756# if SHORTSIZE == 1
757# define my_htobes(x) (x)
758# define my_betohs(x) (x)
759# elif SHORTSIZE == 2
760# define my_htobes(x) _swab_16_(x)
761# define my_betohs(x) _swab_16_(x)
762# elif SHORTSIZE == 4
763# define my_htobes(x) _swab_32_(x)
764# define my_betohs(x) _swab_32_(x)
765# elif SHORTSIZE == 8
766# define my_htobes(x) _swab_64_(x)
767# define my_betohs(x) _swab_64_(x)
768# else
769# define PERL_NEED_MY_HTOBES
770# define PERL_NEED_MY_BETOHS
771# endif
772# if INTSIZE == 1
773# define my_htobei(x) (x)
774# define my_betohi(x) (x)
775# elif INTSIZE == 2
776# define my_htobei(x) _swab_16_(x)
777# define my_betohi(x) _swab_16_(x)
778# elif INTSIZE == 4
779# define my_htobei(x) _swab_32_(x)
780# define my_betohi(x) _swab_32_(x)
781# elif INTSIZE == 8
782# define my_htobei(x) _swab_64_(x)
783# define my_betohi(x) _swab_64_(x)
784# else
785# define PERL_NEED_MY_HTOBEI
786# define PERL_NEED_MY_BETOHI
787# endif
788# if LONGSIZE == 1
789# define my_htobel(x) (x)
790# define my_betohl(x) (x)
791# elif LONGSIZE == 2
792# define my_htobel(x) _swab_16_(x)
793# define my_betohl(x) _swab_16_(x)
794# elif LONGSIZE == 4
795# define my_htobel(x) _swab_32_(x)
796# define my_betohl(x) _swab_32_(x)
797# elif LONGSIZE == 8
798# define my_htobel(x) _swab_64_(x)
799# define my_betohl(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBEL
802# define PERL_NEED_MY_BETOHL
803# endif
804# define my_htolen(p,n) NOOP
805# define my_letohn(p,n) NOOP
806# define my_htoben(p,n) my_swabn(p,n)
807# define my_betohn(p,n) my_swabn(p,n)
808/*----------------------------------------------------------------------------*/
809# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
810/*----------------------------------------------------------------------------*/
811# define my_htobe16(x) (x)
812# define my_betoh16(x) (x)
813# define my_htobe32(x) (x)
814# define my_betoh32(x) (x)
815# define my_htole16(x) _swab_16_(x)
816# define my_letoh16(x) _swab_16_(x)
817# define my_htole32(x) _swab_32_(x)
818# define my_letoh32(x) _swab_32_(x)
819# ifdef HAS_QUAD
820# define my_htobe64(x) (x)
821# define my_betoh64(x) (x)
822# define my_htole64(x) _swab_64_(x)
823# define my_letoh64(x) _swab_64_(x)
824# endif
825# define my_htobes(x) (x)
826# define my_betohs(x) (x)
827# define my_htobei(x) (x)
828# define my_betohi(x) (x)
829# define my_htobel(x) (x)
830# define my_betohl(x) (x)
831# if SHORTSIZE == 1
832# define my_htoles(x) (x)
833# define my_letohs(x) (x)
834# elif SHORTSIZE == 2
835# define my_htoles(x) _swab_16_(x)
836# define my_letohs(x) _swab_16_(x)
837# elif SHORTSIZE == 4
838# define my_htoles(x) _swab_32_(x)
839# define my_letohs(x) _swab_32_(x)
840# elif SHORTSIZE == 8
841# define my_htoles(x) _swab_64_(x)
842# define my_letohs(x) _swab_64_(x)
843# else
844# define PERL_NEED_MY_HTOLES
845# define PERL_NEED_MY_LETOHS
846# endif
847# if INTSIZE == 1
848# define my_htolei(x) (x)
849# define my_letohi(x) (x)
850# elif INTSIZE == 2
851# define my_htolei(x) _swab_16_(x)
852# define my_letohi(x) _swab_16_(x)
853# elif INTSIZE == 4
854# define my_htolei(x) _swab_32_(x)
855# define my_letohi(x) _swab_32_(x)
856# elif INTSIZE == 8
857# define my_htolei(x) _swab_64_(x)
858# define my_letohi(x) _swab_64_(x)
859# else
860# define PERL_NEED_MY_HTOLEI
861# define PERL_NEED_MY_LETOHI
862# endif
863# if LONGSIZE == 1
864# define my_htolel(x) (x)
865# define my_letohl(x) (x)
866# elif LONGSIZE == 2
867# define my_htolel(x) _swab_16_(x)
868# define my_letohl(x) _swab_16_(x)
869# elif LONGSIZE == 4
870# define my_htolel(x) _swab_32_(x)
871# define my_letohl(x) _swab_32_(x)
872# elif LONGSIZE == 8
873# define my_htolel(x) _swab_64_(x)
874# define my_letohl(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLEL
877# define PERL_NEED_MY_LETOHL
878# endif
879# define my_htolen(p,n) my_swabn(p,n)
880# define my_letohn(p,n) my_swabn(p,n)
881# define my_htoben(p,n) NOOP
882# define my_betohn(p,n) NOOP
883/*----------------------------------------------------------------------------*/
884# else /* all other byte-orders */
885/*----------------------------------------------------------------------------*/
886# define PERL_NEED_MY_HTOLE16
887# define PERL_NEED_MY_LETOH16
888# define PERL_NEED_MY_HTOBE16
889# define PERL_NEED_MY_BETOH16
890# define PERL_NEED_MY_HTOLE32
891# define PERL_NEED_MY_LETOH32
892# define PERL_NEED_MY_HTOBE32
893# define PERL_NEED_MY_BETOH32
894# ifdef HAS_QUAD
895# define PERL_NEED_MY_HTOLE64
896# define PERL_NEED_MY_LETOH64
897# define PERL_NEED_MY_HTOBE64
898# define PERL_NEED_MY_BETOH64
899# endif
900# define PERL_NEED_MY_HTOLES
901# define PERL_NEED_MY_LETOHS
902# define PERL_NEED_MY_HTOBES
903# define PERL_NEED_MY_BETOHS
904# define PERL_NEED_MY_HTOLEI
905# define PERL_NEED_MY_LETOHI
906# define PERL_NEED_MY_HTOBEI
907# define PERL_NEED_MY_BETOHI
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# define PERL_NEED_MY_HTOBEL
911# define PERL_NEED_MY_BETOHL
912/*----------------------------------------------------------------------------*/
913# endif /* end of byte-order macros */
914/*----------------------------------------------------------------------------*/
915
9c17f24a
NC
916/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
917 at least on FreeBSD. YMMV, so experiment. */
918#ifndef PERL_ARENA_SIZE
919#define PERL_ARENA_SIZE 4080
920#endif
921
1109a392
MHM
922#endif /* PERL_CORE */
923
bdf3085f
NC
924/* We no longer default to creating a new SV for GvSV.
925 Do this before embed. */
926#ifndef PERL_CREATE_GVSV
7459f06b
NC
927# ifndef PERL_DONT_CREATE_GVSV
928# define PERL_DONT_CREATE_GVSV
929# endif
bdf3085f
NC
930#endif
931
ca0c25f6
NC
932#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
933#define PERL_USES_PL_PIDSTATUS
934#endif
935
a62746fa
RGS
936#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
937#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
938#endif
939
66a93824
NIS
940/* Cannot include embed.h here on Win32 as win32.h has not
941 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
942 */
96e176bf 943#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 944# include "embed.h"
eb8433b7
NC
945# ifndef PERL_MAD
946# undef op_getmad
b3f24c00 947# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 948# endif
cea2e8a9
GS
949#endif
950
c31fac66
GS
951#define MEM_SIZE Size_t
952
1936d2a7
NC
953/* Round all values passed to malloc up, by default to a multiple of
954 sizeof(size_t)
955*/
956#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
957#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
958#endif
959
51371543
GS
960#if defined(STANDARD_C) && defined(I_STDDEF)
961# include <stddef.h>
962# define STRUCT_OFFSET(s,m) offsetof(s,m)
963#else
964# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
965#endif
966
9969cdde 967#ifndef __SYMBIAN32__
27da23d5
JH
968# if defined(I_STRING) || defined(__cplusplus)
969# include <string.h>
970# else
971# include <strings.h>
972# endif
51371543
GS
973#endif
974
55497cff
PP
975/* This comes after <stdlib.h> so we don't try to change the standard
976 * library prototypes; we'll use our own in proto.h instead. */
03a14243 977
4633a7c4 978#ifdef MYMALLOC
86058a2d 979# ifdef PERL_POLLUTE_MALLOC
ee13e175 980# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
981# define Perl_malloc malloc
982# define Perl_calloc calloc
983# define Perl_realloc realloc
984# define Perl_mfree free
ee13e175 985# endif
86058a2d
GS
986# else
987# define EMBEDMYMALLOC /* for compatibility */
988# endif
827e134a 989
651b9576
GS
990# define safemalloc Perl_malloc
991# define safecalloc Perl_calloc
992# define saferealloc Perl_realloc
993# define safefree Perl_mfree
22f7c9c9
JH
994# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
995 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
996 code; \
997 } STMT_END
998# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
999 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1000# define panic_write2(s) write(2, s, strlen(s))
1001# define CHECK_MALLOC_TAINT(newval) \
1002 CHECK_MALLOC_TOO_LATE_FOR_( \
1003 if (newval) { \
1004 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1005 exit(1); })
22f7c9c9 1006# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1007 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1008 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1009 }} STMT_END;
f2517201
GS
1010#else /* MYMALLOC */
1011# define safemalloc safesysmalloc
1012# define safecalloc safesyscalloc
1013# define saferealloc safesysrealloc
1014# define safefree safesysfree
22f7c9c9
JH
1015# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1016# define CHECK_MALLOC_TAINT(newval) ((void)0)
1017# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1018#endif /* MYMALLOC */
4633a7c4 1019
27da23d5 1020#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
1021#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1022#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1023#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1024
a0d0e21e
LW
1025#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1026#define strchr index
1027#define strrchr rindex
1028#endif
1029
16d20bd9
AD
1030#ifdef I_MEMORY
1031# include <memory.h>
1032#endif
1033
fe14fcc3 1034#ifdef HAS_MEMCPY
85e6fe83 1035# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1036# ifndef memcpy
20ce7b12 1037 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1038# endif
1039# endif
1040#else
1041# ifndef memcpy
1042# ifdef HAS_BCOPY
1043# define memcpy(d,s,l) bcopy(s,d,l)
1044# else
1045# define memcpy(d,s,l) my_bcopy(s,d,l)
1046# endif
1047# endif
1048#endif /* HAS_MEMCPY */
fe14fcc3 1049
ee0007ab 1050#ifdef HAS_MEMSET
85e6fe83 1051# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1052# ifndef memset
20ce7b12 1053 extern char *memset (char*, int, int);
ee0007ab
LW
1054# endif
1055# endif
ee0007ab 1056#else
12ae5dfc 1057# undef memset
fc36a67e 1058# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1059#endif /* HAS_MEMSET */
1060
85e6fe83 1061#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1062# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1063# define memmove(d,s,l) bcopy(s,d,l)
1064# else
2304df62 1065# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1066# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1067# else
79072805 1068# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1069# endif
352d5a3a 1070# endif
d9d8d8de 1071#endif
ee0007ab 1072
36477c24
PP
1073#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1074# undef HAS_MEMCMP
1075#endif
1076
1077#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1078# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1079# ifndef memcmp
20ce7b12 1080 extern int memcmp (char*, char*, int);
ee0007ab
LW
1081# endif
1082# endif
36477c24 1083# ifdef BUGGY_MSC
7e4e8c89 1084# pragma function(memcmp)
36477c24 1085# endif
ee0007ab
LW
1086#else
1087# ifndef memcmp
ecfc5424 1088# define memcmp my_memcmp
352d5a3a 1089# endif
36477c24 1090#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1091
fc36a67e 1092#ifndef memzero
c635e13b
PP
1093# ifdef HAS_MEMSET
1094# define memzero(d,l) memset(d,0,l)
79072805 1095# else
c635e13b
PP
1096# ifdef HAS_BZERO
1097# define memzero(d,l) bzero(d,l)
79072805 1098# else
fc36a67e 1099# define memzero(d,l) my_bzero(d,l)
79072805
LW
1100# endif
1101# endif
d9d8d8de 1102#endif
378cc40b 1103
2f42fcb0 1104#ifndef PERL_MICRO
0f27ced1
JH
1105#ifndef memchr
1106# ifndef HAS_MEMCHR
1107# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1108# endif
1109#endif
2f42fcb0 1110#endif
0f27ced1 1111
36477c24
PP
1112#ifndef HAS_BCMP
1113# ifndef bcmp
1114# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1115# endif
36477c24 1116#endif /* !HAS_BCMP */
378cc40b 1117
ae986130 1118#ifdef I_NETINET_IN
79072805 1119# include <netinet/in.h>
ae986130
LW
1120#endif
1121
28e8609d
JH
1122#ifdef I_ARPA_INET
1123# include <arpa/inet.h>
1124#endif
1125
84902520
TB
1126#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1127/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1128 * (the neo-BSD seem to do this). */
1129# undef SF_APPEND
1130#endif
1131
1aef975c 1132#ifdef I_SYS_STAT
84902520 1133# include <sys/stat.h>
1aef975c 1134#endif
79072805 1135
a0d0e21e
LW
1136/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1137 like UTekV) are broken, sometimes giving false positives. Undefine
1138 them here and let the code below set them to proper values.
1139
1140 The ghs macro stands for GreenHills Software C-1.8.5 which
1141 is the C compiler for sysV88 and the various derivatives.
1142 This header file bug is corrected in gcc-2.5.8 and later versions.
1143 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1144
1145#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1146# undef S_ISDIR
1147# undef S_ISCHR
1148# undef S_ISBLK
1149# undef S_ISREG
1150# undef S_ISFIFO
1151# undef S_ISLNK
ee0007ab 1152#endif
135863df 1153
663a0e37
LW
1154#ifdef I_TIME
1155# include <time.h>
ffed7fef 1156#endif
663a0e37 1157
fe14fcc3 1158#ifdef I_SYS_TIME
85e6fe83 1159# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1160# define KERNEL
1161# endif
1162# include <sys/time.h>
85e6fe83 1163# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1164# undef KERNEL
1165# endif
a687059c 1166#endif
135863df 1167
55497cff 1168#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1169# include <sys/times.h>
d9d8d8de 1170#endif
8d063cd8 1171
fe14fcc3 1172#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1173# undef HAS_STRERROR
663a0e37
LW
1174#endif
1175
1176#include <errno.h>
1e743fda 1177
acfe0abc 1178#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1179# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1180#endif
1181
8cfab5ff
JH
1182/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1183 * This is important for using IPv6.
1184 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1185 * a bad idea since it breaks send() and recv(). */
1186#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1187# define _SOCKADDR_LEN
1188#endif
1189
8d3f517a 1190#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1191# include <sys/socket.h>
1192# if defined(USE_SOCKS) && defined(I_SOCKS)
1193# if !defined(INCLUDE_PROTOTYPES)
1194# define INCLUDE_PROTOTYPES /* for <socks.h> */
1195# define PERL_SOCKS_NEED_PROTOTYPES
1196# endif
1197# include <socks.h>
1198# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1199# undef INCLUDE_PROTOTYPES
1200# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1201# endif
d460ef45 1202# endif
1e743fda 1203# ifdef I_NETDB
2986a63f
JH
1204# ifdef NETWARE
1205# include<stdio.h>
1206# endif
1e743fda
JH
1207# include <netdb.h>
1208# endif
1209# ifndef ENOTSOCK
1210# ifdef I_NET_ERRNO
1211# include <net/errno.h>
1212# endif
1213# endif
1214#endif
1215
fa0a29af 1216/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1217 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1218 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1219#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1220# if defined(__THROW) && defined(__GLIBC__)
1221int sockatmark(int) __THROW;
1222# else
2ef53570 1223int sockatmark(int);
29820b6d 1224# endif
2ef53570
JH
1225#endif
1226
7e827271 1227#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
1228EXTERN_C int fchdir(int);
1229EXTERN_C int flock(int, int);
1230EXTERN_C int fseeko(FILE *, off_t, int);
1231EXTERN_C off_t ftello(FILE *);
1232#endif
1233
7e827271 1234#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1235EXTERN_C char *crypt(const char *, const char *);
7e827271 1236EXTERN_C char **environ;
1ccb7c8d
JH
1237#endif
1238
83a6ff2e 1239#if defined(__cplusplus)
944c4fda 1240# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1241EXTERN_C char **environ;
83a6ff2e 1242# elif defined(__CYGWIN__)
667e2948
SP
1243EXTERN_C char *crypt(const char *, const char *);
1244#endif
83a6ff2e 1245#endif
667e2948 1246
1e743fda
JH
1247#ifdef SETERRNO
1248# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1249#endif
f86702cc
PP
1250
1251#ifdef VMS
1252# define SETERRNO(errcode,vmserrcode) \
1253 STMT_START { \
1254 set_errno(errcode); \
1255 set_vaxc_errno(vmserrcode); \
1256 } STMT_END
93189314
JH
1257# define LIB_INVARG LIB$_INVARG
1258# define RMS_DIR RMS$_DIR
1259# define RMS_FAC RMS$_FAC
1260# define RMS_FEX RMS$_FEX
1261# define RMS_FNF RMS$_FNF
1262# define RMS_IFI RMS$_IFI
1263# define RMS_ISI RMS$_ISI
1264# define RMS_PRV RMS$_PRV
1265# define SS_ACCVIO SS$_ACCVIO
1266# define SS_DEVOFFLINE SS$_DEVOFFLINE
1267# define SS_IVCHAN SS$_IVCHAN
1268# define SS_NORMAL SS$_NORMAL
748a9306 1269#else
aba27d88 1270# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1271# define LIB_INVARG 0
1272# define RMS_DIR 0
1273# define RMS_FAC 0
1274# define RMS_FEX 0
1275# define RMS_FNF 0
1276# define RMS_IFI 0
1277# define RMS_ISI 0
1278# define RMS_PRV 0
1279# define SS_ACCVIO 0
1280# define SS_DEVOFFLINE 0
1281# define SS_IVCHAN 0
1282# define SS_NORMAL 0
748a9306 1283#endif
ed6116ce 1284
3db8f154 1285#define ERRSV GvSV(PL_errgv)
e203899d
NC
1286/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1287#define DEFSV GvSVn(PL_defgv)
3db8f154 1288#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1289
98eae8f5
GS
1290#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1291
55497cff 1292#ifndef errno
5ff3f7a4
GS
1293 extern int errno; /* ANSI allows errno to be an lvalue expr.
1294 * For example in multithreaded environments
1295 * something like this might happen:
1296 * extern int *_errno(void);
1297 * #define errno (*_errno()) */
d9d8d8de 1298#endif
663a0e37 1299
2304df62 1300#ifdef HAS_STRERROR
a0d0e21e 1301# ifdef VMS
20ce7b12 1302 char *strerror (int,...);
a0d0e21e 1303# else
68dc0745 1304#ifndef DONT_DECLARE_STD
20ce7b12 1305 char *strerror (int);
68dc0745 1306#endif
a0d0e21e 1307# endif
2304df62
AD
1308# ifndef Strerror
1309# define Strerror strerror
1310# endif
1311#else
1312# ifdef HAS_SYS_ERRLIST
79072805
LW
1313 extern int sys_nerr;
1314 extern char *sys_errlist[];
2304df62
AD
1315# ifndef Strerror
1316# define Strerror(e) \
79072805 1317 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1318# endif
79072805 1319# endif
35c8bce7 1320#endif
663a0e37 1321
2304df62 1322#ifdef I_SYS_IOCTL
79072805
LW
1323# ifndef _IOCTL_
1324# include <sys/ioctl.h>
1325# endif
a687059c
LW
1326#endif
1327
ee0007ab 1328#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1329# ifdef HAS_SOCKETPAIR
1330# undef HAS_SOCKETPAIR
1331# endif
2304df62
AD
1332# ifdef I_NDBM
1333# undef I_NDBM
79072805 1334# endif
a687059c
LW
1335#endif
1336
02fc2eee
NC
1337#ifndef HAS_SOCKETPAIR
1338# ifdef HAS_SOCKET
1339# define socketpair Perl_my_socketpair
1340# endif
1341#endif
1342
a687059c 1343#if INTSIZE == 2
79072805
LW
1344# define htoni htons
1345# define ntohi ntohs
a687059c 1346#else
79072805
LW
1347# define htoni htonl
1348# define ntohi ntohl
a687059c
LW
1349#endif
1350
a0d0e21e 1351/* Configure already sets Direntry_t */
35c8bce7 1352#if defined(I_DIRENT)
663a0e37 1353# include <dirent.h>
8f1f23e8
W
1354 /* NeXT needs dirent + sys/dir.h */
1355# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1356# include <sys/dir.h>
1357# endif
ae986130 1358#else
fe14fcc3 1359# ifdef I_SYS_NDIR
79a0689e 1360# include <sys/ndir.h>
663a0e37 1361# else
fe14fcc3 1362# ifdef I_SYS_DIR
79a0689e
LW
1363# ifdef hp9000s500
1364# include <ndir.h> /* may be wrong in the future */
1365# else
1366# include <sys/dir.h>
1367# endif
663a0e37
LW
1368# endif
1369# endif
4633a7c4 1370#endif
a687059c 1371
12ae5dfc
JH
1372#ifdef PERL_MICRO
1373# ifndef DIR
1374# define DIR void
1375# endif
1376#endif
1377
352d5a3a
LW
1378#ifdef FPUTS_BOTCH
1379/* work around botch in SunOS 4.0.1 and 4.0.2 */
1380# ifndef fputs
79072805 1381# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1382# endif
1383#endif
1384
c623bd54
LW
1385/*
1386 * The following gobbledygook brought to you on behalf of __STDC__.
1387 * (I could just use #ifndef __STDC__, but this is more bulletproof
1388 * in the face of half-implementations.)
1389 */
1390
7114a2d2 1391#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1392#include <sys/mode.h>
1393#endif
1394
c623bd54
LW
1395#ifndef S_IFMT
1396# ifdef _S_IFMT
1397# define S_IFMT _S_IFMT
1398# else
1399# define S_IFMT 0170000
1400# endif
1401#endif
1402
1403#ifndef S_ISDIR
1404# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1405#endif
1406
1407#ifndef S_ISCHR
1408# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1409#endif
1410
1411#ifndef S_ISBLK
fe14fcc3
LW
1412# ifdef S_IFBLK
1413# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1414# else
1415# define S_ISBLK(m) (0)
1416# endif
c623bd54
LW
1417#endif
1418
1419#ifndef S_ISREG
1420# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1421#endif
1422
1423#ifndef S_ISFIFO
fe14fcc3
LW
1424# ifdef S_IFIFO
1425# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1426# else
1427# define S_ISFIFO(m) (0)
1428# endif
c623bd54
LW
1429#endif
1430
1431#ifndef S_ISLNK
1432# ifdef _S_ISLNK
1433# define S_ISLNK(m) _S_ISLNK(m)
1434# else
1435# ifdef _S_IFLNK
1436# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1437# else
1438# ifdef S_IFLNK
1439# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1440# else
1441# define S_ISLNK(m) (0)
1442# endif
1443# endif
1444# endif
1445#endif
1446
1447#ifndef S_ISSOCK
1448# ifdef _S_ISSOCK
1449# define S_ISSOCK(m) _S_ISSOCK(m)
1450# else
1451# ifdef _S_IFSOCK
1452# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1453# else
1454# ifdef S_IFSOCK
1455# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1456# else
1457# define S_ISSOCK(m) (0)
1458# endif
1459# endif
1460# endif
1461#endif
1462
1463#ifndef S_IRUSR
1464# ifdef S_IREAD
1465# define S_IRUSR S_IREAD
1466# define S_IWUSR S_IWRITE
1467# define S_IXUSR S_IEXEC
1468# else
1469# define S_IRUSR 0400
1470# define S_IWUSR 0200
1471# define S_IXUSR 0100
1472# endif
fac7cdfc 1473#endif
1474
1475#ifndef S_IRGRP
1476# ifdef S_IRUSR
1477# define S_IRGRP (S_IRUSR>>3)
1478# define S_IWGRP (S_IWUSR>>3)
1479# define S_IXGRP (S_IXUSR>>3)
1480# else
1481# define S_IRGRP 0040
1482# define S_IWGRP 0020
1483# define S_IXGRP 0010
1484# endif
1485#endif
1486
1487#ifndef S_IROTH
1488# ifdef S_IRUSR
1489# define S_IROTH (S_IRUSR>>6)
1490# define S_IWOTH (S_IWUSR>>6)
1491# define S_IXOTH (S_IXUSR>>6)
1492# else
1493# define S_IROTH 0040
1494# define S_IWOTH 0020
1495# define S_IXOTH 0010
1496# endif
c623bd54
LW
1497#endif
1498
1499#ifndef S_ISUID
1500# define S_ISUID 04000
1501#endif
1502
1503#ifndef S_ISGID
1504# define S_ISGID 02000
1505#endif
1506
ca6e1c26
JH
1507#ifndef S_IRWXU
1508# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1509#endif
ca6e1c26
JH
1510
1511#ifndef S_IRWXG
1512# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1513#endif
ca6e1c26
JH
1514
1515#ifndef S_IRWXO
1516# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1517#endif
ca6e1c26 1518
c21fb2b8
JH
1519/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1520 * which would get included through <sys/file.h >, but that is 3000
1521 * lines in the future. --jhi */
1522
1523#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1524# define S_IREAD S_IRUSR
1525#endif
1526
c21fb2b8 1527#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1528# define S_IWRITE S_IWUSR
1529#endif
1530
1531#ifndef S_IEXEC
1532# define S_IEXEC S_IXUSR
1533#endif
1534
79072805
LW
1535#ifdef ff_next
1536# undef ff_next
352d5a3a
LW
1537#endif
1538
a0d0e21e 1539#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1540# define SLOPPYDIVIDE
1541#endif
1542
748a9306
LW
1543#ifdef UV
1544#undef UV
1545#endif
1546
c89df6bf
JH
1547#ifdef SPRINTF_E_BUG
1548# define sprintf UTS_sprintf_wrap
1549#endif
1550
ce582cee
NC
1551/* For the times when you want the return value of sprintf, and you want it
1552 to be the length. Can't have a thread variable passed in, because C89 has
1553 no varargs macros.
1554*/
1555#ifdef SPRINTF_RETURNS_STRLEN
1556# define my_sprintf sprintf
1557#else
1558# define my_sprintf Perl_my_sprintf
1559#endif
1560
5b692037
JH
1561/*
1562 * If we have v?snprintf() and the C99 variadic macros, we can just
1563 * use just the v?snprintf(). It is nice to try to trap the buffer
1564 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1565 * gcc statement expressions, then use the function wrappers which try
1566 * to trap the overflow. If we can use the gcc statement expressions,
1567 * we can try that even with the version that uses the C99 variadic
1568 * macros.
5b692037
JH
1569 */
1570
1208b3dd
JH
1571/* Note that we do not check against snprintf()/vsnprintf() returning
1572 * negative values because that is non-standard behaviour and we use
1573 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1574 * that should be true only if the snprintf()/vsnprintf() are true
1575 * to the standard. */
1576
dfeee9b1 1577#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1578# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1579# 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 1580# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1581# else
1582# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1583# endif
1584#else
1585# define my_snprintf Perl_my_snprintf
1208b3dd 1586# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1587#endif
1588
dfeee9b1 1589#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1590# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1591# 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 1592# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1593# else
1594# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1595# endif
1596#else
1597# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1598# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1599#endif
d9fad198 1600
a6cc4119
SP
1601#ifdef HAS_STRLCAT
1602# define my_strlcat strlcat
1603#else
1604# define my_strlcat Perl_my_strlcat
1605#endif
1606
1607#ifdef HAS_STRLCPY
1608# define my_strlcpy strlcpy
1609#else
1610# define my_strlcpy Perl_my_strlcpy
1611#endif
1612
c495e728
JH
1613/* Configure gets this right but the UTS compiler gets it wrong.
1614 -- Hal Morris <hom00@utsglobal.com> */
1615#ifdef UTS
1616# undef UVTYPE
1617# define UVTYPE unsigned
1618#endif
1619
05f13f53 1620/*
27d4fb96
PP
1621 The IV type is supposed to be long enough to hold any integral
1622 value or a pointer.
1623 --Andy Dougherty August 1996
1624*/
1625
a22e52b9
JH
1626typedef IVTYPE IV;
1627typedef UVTYPE UV;
8175356b 1628
10cc9d2a 1629#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1630# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1631# define IV_MAX INT64_MAX
1632# define IV_MIN INT64_MIN
1633# define UV_MAX UINT64_MAX
cae7ae48
JH
1634# ifndef UINT64_MIN
1635# define UINT64_MIN 0
1636# endif
5ff3f7a4
GS
1637# define UV_MIN UINT64_MIN
1638# else
1639# define IV_MAX PERL_QUAD_MAX
1640# define IV_MIN PERL_QUAD_MIN
1641# define UV_MAX PERL_UQUAD_MAX
1642# define UV_MIN PERL_UQUAD_MIN
1643# endif
cf2093f6
JH
1644# define IV_IS_QUAD
1645# define UV_IS_QUAD
79072805 1646#else
8175356b 1647# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1648# define IV_MAX INT32_MAX
1649# define IV_MIN INT32_MIN
716026f9
DL
1650# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1651# define UV_MAX UINT32_MAX
1652# else
1653# define UV_MAX 4294967295U
1654# endif
cae7ae48
JH
1655# ifndef UINT32_MIN
1656# define UINT32_MIN 0
1657# endif
5ff3f7a4
GS
1658# define UV_MIN UINT32_MIN
1659# else
1660# define IV_MAX PERL_LONG_MAX
1661# define IV_MIN PERL_LONG_MIN
1662# define UV_MAX PERL_ULONG_MAX
1663# define UV_MIN PERL_ULONG_MIN
1664# endif
8175356b 1665# if IVSIZE == 8
cf2093f6
JH
1666# define IV_IS_QUAD
1667# define UV_IS_QUAD
de1c2614
JH
1668# ifndef HAS_QUAD
1669# define HAS_QUAD
1670# endif
cf2093f6
JH
1671# else
1672# undef IV_IS_QUAD
1673# undef UV_IS_QUAD
de1c2614 1674# undef HAS_QUAD
cf2093f6 1675# endif
79072805 1676#endif
d7d93a81 1677
1109a392
MHM
1678#ifndef HAS_QUAD
1679# undef PERL_NEED_MY_HTOLE64
1680# undef PERL_NEED_MY_LETOH64
1681# undef PERL_NEED_MY_HTOBE64
1682# undef PERL_NEED_MY_BETOH64
1683#endif
1684
6cde8aec 1685#if defined(uts) || defined(UTS)
11afe549
HM
1686# undef UV_MAX
1687# define UV_MAX (4294967295u)
20601011
JH
1688#endif
1689
cae7ae48 1690#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1691#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1692
28e5dec8 1693#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1694#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1695#endif
1696
d460ef45 1697/*
26bb67e2
JH
1698 * The macros INT2PTR and NUM2PTR are (despite their names)
1699 * bi-directional: they will convert int/float to or from pointers.
1700 * However the conversion to int/float are named explicitly:
1701 * PTR2IV, PTR2UV, PTR2NV.
1702 *
1703 * For int conversions we do not need two casts if pointers are
1704 * the same size as IV and UV. Otherwise we need an explicit
1705 * cast (PTRV) to avoid compiler warnings.
1706 */
56431972
RB
1707#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1708# define PTRV UV
1709# define INT2PTR(any,d) (any)(d)
1710#else
d460ef45 1711# if PTRSIZE == LONGSIZE
56431972 1712# define PTRV unsigned long
e91e3b10 1713# define PTR2ul(p) (unsigned long)(p)
42718184 1714# else
56431972 1715# define PTRV unsigned
42718184 1716# endif
e91e3b10
RB
1717#endif
1718
1719#ifndef INT2PTR
56431972 1720# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1721#endif
e91e3b10
RB
1722
1723#ifndef PTR2ul
1724# define PTR2ul(p) INT2PTR(unsigned long,p)
1725#endif
1726
56431972
RB
1727#define NUM2PTR(any,d) (any)(PTRV)(d)
1728#define PTR2IV(p) INT2PTR(IV,p)
1729#define PTR2UV(p) INT2PTR(UV,p)
1730#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1731#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1732
8141890a
JH
1733/* According to strict ANSI C89 one cannot freely cast between
1734 * data pointers and function (code) pointers. There are at least
1735 * two ways around this. One (used below) is to do two casts,
1736 * first the other pointer to an (unsigned) integer, and then
1737 * the integer to the other pointer. The other way would be
1738 * to use unions to "overlay" the pointers. For an example of
1739 * the latter technique, see union dirpu in struct xpvio in sv.h.
1740 * The only feasible use is probably temporarily storing
1741 * function pointers in a data pointer (such as a void pointer). */
1742
e91e3b10
RB
1743#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1744#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1745
65202027 1746#ifdef USE_LONG_DOUBLE
1048ea30
JH
1747# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1748# define LONG_DOUBLE_EQUALS_DOUBLE
1749# endif
68d4903c 1750# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1751# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1752# endif
1753#endif
1754
2d4389e4
JH
1755#ifdef OVR_DBL_DIG
1756/* Use an overridden DBL_DIG */
1757# ifdef DBL_DIG
1758# undef DBL_DIG
1759# endif
1760# define DBL_DIG OVR_DBL_DIG
1761#else
1762/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1763 default value for printing floating point numbers in Gconvert
1764 (see config.h). (It also has other uses, such as figuring out if
1765 a given precision of printing can be done with a double instead of
1766 a long double - Allen).
2d4389e4
JH
1767*/
1768#ifdef I_LIMITS
1769#include <limits.h>
1770#endif
1771#ifdef I_FLOAT
1772#include <float.h>
1773#endif
1774#ifndef HAS_DBL_DIG
1775#define DBL_DIG 15 /* A guess that works lots of places */
1776#endif
1777#endif
1778
1779#ifdef OVR_LDBL_DIG
1780/* Use an overridden LDBL_DIG */
1781# ifdef LDBL_DIG
1782# undef LDBL_DIG
1783# endif
1784# define LDBL_DIG OVR_LDBL_DIG
1785#else
1786/* The following is all to get LDBL_DIG, in order to pick a nice
1787 default value for printing floating point numbers in Gconvert.
1788 (see config.h)
1789*/
68d4903c
JH
1790# ifdef I_LIMITS
1791# include <limits.h>
1792# endif
1793# ifdef I_FLOAT
1794# include <float.h>
1795# endif
1796# ifndef HAS_LDBL_DIG
1797# if LONG_DOUBLESIZE == 10
1798# define LDBL_DIG 18 /* assume IEEE */
1799# else
1800# if LONG_DOUBLESIZE == 12
1801# define LDBL_DIG 18 /* gcc? */
1802# else
1803# if LONG_DOUBLESIZE == 16
1804# define LDBL_DIG 33 /* assume IEEE */
1805# else
1806# if LONG_DOUBLESIZE == DOUBLESIZE
1807# define LDBL_DIG DBL_DIG /* bummer */
1808# endif
1809# endif
1810# endif
1811# endif
1812# endif
2d4389e4
JH
1813#endif
1814
20f6aaab
AS
1815/*
1816 * This is for making sure we have a good DBL_MAX value, if possible,
1817 * either for usage as NV_MAX or for usage in figuring out if we can
1818 * fit a given long double into a double, if bug-fixing makes it
1819 * necessary to do so. - Allen <allens@cpan.org>
1820 */
1821
205f51d8
AS
1822#ifdef I_LIMITS
1823# include <limits.h>
20f6aaab
AS
1824#endif
1825
205f51d8
AS
1826#ifdef I_VALUES
1827# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1828# include <values.h>
1829# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1830# define DBL_MAX MAXDOUBLE
1831# endif
1832# if defined(MINDOUBLE) && !defined(DBL_MIN)
1833# define DBL_MIN MINDOUBLE
1834# endif
1835# endif
1836#endif /* defined(I_VALUES) */
1837
a22e52b9 1838typedef NVTYPE NV;
8175356b 1839
792d8dab
JH
1840#ifdef I_IEEEFP
1841# include <ieeefp.h>
1842#endif
923fc586 1843
65202027 1844#ifdef USE_LONG_DOUBLE
923fc586
JH
1845# ifdef I_SUNMATH
1846# include <sunmath.h>
1847# endif
2d4389e4 1848# define NV_DIG LDBL_DIG
d6c14000
JH
1849# ifdef LDBL_MANT_DIG
1850# define NV_MANT_DIG LDBL_MANT_DIG
1851# endif
06fc1729
JH
1852# ifdef LDBL_MIN
1853# define NV_MIN LDBL_MIN
1854# endif
1855# ifdef LDBL_MAX
1856# define NV_MAX LDBL_MAX
1857# endif
1858# ifdef LDBL_MIN_10_EXP
1859# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1860# endif
1861# ifdef LDBL_MAX_10_EXP
1862# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1863# endif
1864# ifdef LDBL_EPSILON
1865# define NV_EPSILON LDBL_EPSILON
1866# endif
f4a14a62
JH
1867# ifdef LDBL_MAX
1868# define NV_MAX LDBL_MAX
20f6aaab 1869/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1870# else
1871# ifdef HUGE_VALL
1872# define NV_MAX HUGE_VALL
1873# else
1874# ifdef HUGE_VAL
1875# define NV_MAX ((NV)HUGE_VAL)
1876# endif
1877# endif
1878# endif
68d4903c 1879# ifdef HAS_SQRTL
68d4903c
JH
1880# define Perl_cos cosl
1881# define Perl_sin sinl
1882# define Perl_sqrt sqrtl
1883# define Perl_exp expl
1884# define Perl_log logl
1885# define Perl_atan2 atan2l
1886# define Perl_pow powl
1887# define Perl_floor floorl
1bbae031 1888# define Perl_ceil ceill
68d4903c
JH
1889# define Perl_fmod fmodl
1890# endif
a3540c92
JH
1891/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1892# ifdef HAS_MODFL
1893# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1894/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1895 prototype in <math.h> */
1896# ifndef HAS_MODFL_PROTO
a221a8a5 1897EXTERN_C long double modfl(long double, long double *);
51997bc3 1898# endif
03476e8e
JH
1899# else
1900# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1901 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1902# define Perl_modf(x,y) Perl_my_modfl(x,y)
1903# endif
a3540c92
JH
1904# endif
1905# ifdef HAS_FREXPL
dff3e0b8 1906# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1907# else
1908# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1909 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1910# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1911# endif
a3540c92 1912# endif
38dbb4c5 1913# ifndef Perl_isnan
758a5d79
JH
1914# ifdef HAS_ISNANL
1915# define Perl_isnan(x) isnanl(x)
1916# endif
1917# endif
1918# ifndef Perl_isinf
1919# ifdef HAS_FINITEL
1920# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1921# endif
1922# endif
65202027 1923#else
2d4389e4 1924# define NV_DIG DBL_DIG
d6c14000
JH
1925# ifdef DBL_MANT_DIG
1926# define NV_MANT_DIG DBL_MANT_DIG
1927# endif
06fc1729
JH
1928# ifdef DBL_MIN
1929# define NV_MIN DBL_MIN
1930# endif
1931# ifdef DBL_MAX
1932# define NV_MAX DBL_MAX
1933# endif
1934# ifdef DBL_MIN_10_EXP
1935# define NV_MIN_10_EXP DBL_MIN_10_EXP
1936# endif
1937# ifdef DBL_MAX_10_EXP
1938# define NV_MAX_10_EXP DBL_MAX_10_EXP
1939# endif
1940# ifdef DBL_EPSILON
1941# define NV_EPSILON DBL_EPSILON
1942# endif
205f51d8 1943# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1944# define NV_MAX DBL_MAX
1945# define NV_MIN DBL_MIN
1946# else
1947# ifdef HUGE_VAL
1948# define NV_MAX HUGE_VAL
1949# endif
1950# endif
65202027
DS
1951# define Perl_cos cos
1952# define Perl_sin sin
1953# define Perl_sqrt sqrt
1954# define Perl_exp exp
1955# define Perl_log log
1956# define Perl_atan2 atan2
1957# define Perl_pow pow
1958# define Perl_floor floor
1bbae031 1959# define Perl_ceil ceil
65202027 1960# define Perl_fmod fmod
a3540c92 1961# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1962# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1963#endif
1964
1965/* rumor has it that Win32 has _fpclass() */
1966
205f51d8
AS
1967/* SGI has fpclassl... but not with the same result values,
1968 * and it's via a typedef (not via #define), so will need to redo Configure
1969 * to use. Not worth the trouble, IMO, at least until the below is used
1970 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1971 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1972 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1973
758a5d79
JH
1974#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1975# ifdef I_IEEFP
1976# include <ieeefp.h>
1977# endif
1978# ifdef I_FP
1979# include <fp.h>
1980# endif
1981# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1982# define Perl_fp_class() fpclassl(x)
1983# else
1984# define Perl_fp_class() fpclass(x)
1985# endif
1986# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1987# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1988# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1989# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1990# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1991# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1992# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1993# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1994# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1995# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1996# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1997# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1998# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1999# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2000# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2001#endif
2002
7114a2d2 2003#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2004# include <math.h>
2005# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2006# include <fp_class.h>
2007# endif
2008# define Perl_fp_class(x) fp_class(x)
2009# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2010# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2011# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2012# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2013# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2014# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2015# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2016# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2017# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2018# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2019# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2020# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2021# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2022# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2023# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2024#endif
2025
2026#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2027# include <math.h>
2028# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2029# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2030# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2031# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2032# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2033# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2034#endif
2035
2036#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2037# include <math.h>
2038# ifndef _cplusplus
2039# define Perl_fp_class(x) class(x)
2040# else
2041# define Perl_fp_class(x) _class(x)
2042# endif
2043# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2044# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2045# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2046# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2047# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2048# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2049# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2050# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2051# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2052# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2053# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2054# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2055# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2056# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2057# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2058#endif
2059
2060/* rumor has it that Win32 has _isnan() */
2061
2062#ifndef Perl_isnan
a3540c92 2063# ifdef HAS_ISNAN
758a5d79
JH
2064# define Perl_isnan(x) isnan((NV)x)
2065# else
2066# ifdef Perl_fp_class_nan
2067# define Perl_isnan(x) Perl_fp_class_nan(x)
2068# else
2069# ifdef HAS_UNORDERED
2070# define Perl_isnan(x) unordered((x), 0.0)
2071# else
2072# define Perl_isnan(x) ((x)!=(x))
2073# endif
2074# endif
2075# endif
2076#endif
2077
ca6c63e1
JH
2078#ifdef UNDER_CE
2079int isnan(double d);
2080#endif
2081
758a5d79
JH
2082#ifndef Perl_isinf
2083# ifdef HAS_ISINF
2084# define Perl_isinf(x) isinf((NV)x)
a3540c92 2085# else
758a5d79
JH
2086# ifdef Perl_fp_class_inf
2087# define Perl_isinf(x) Perl_fp_class_inf(x)
2088# else
2089# define Perl_isinf(x) ((x)==NV_INF)
2090# endif
2091# endif
2092#endif
2093
2094#ifndef Perl_isfinite
2095# ifdef HAS_FINITE
2096# define Perl_isfinite(x) finite((NV)x)
2097# else
2098# ifdef HAS_ISFINITE
2099# define Perl_isfinite(x) isfinite(x)
2100# else
2101# ifdef Perl_fp_class_finite
2102# define Perl_isfinite(x) Perl_fp_class_finite(x)
2103# else
2104# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2105# endif
2106# endif
a3540c92 2107# endif
65202027
DS
2108#endif
2109
a36244b7
JH
2110/* The default is to use Perl's own atof() implementation (in numeric.c).
2111 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2112 * it is however best to use the native implementation of atof.
2113 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2114 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2115 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2116 * you may need to be using a different function than atof! */
a36244b7
JH
2117
2118#ifndef USE_PERL_ATOF
2119# ifndef _UNICOS
2120# define USE_PERL_ATOF
2121# endif
2122#else
2123# if USE_PERL_ATOF == 0
2124# undef USE_PERL_ATOF
2125# endif
2126#endif
2127
2128#ifdef USE_PERL_ATOF
2129# define Perl_atof(s) Perl_my_atof(s)
2130# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2131#else
2132# define Perl_atof(s) (NV)atof(s)
2133# define Perl_atof2(s, n) ((n) = atof(s))
2134#endif
cf2093f6 2135
d460ef45 2136/* Previously these definitions used hardcoded figures.
760ac839
LW
2137 * It is hoped these formula are more portable, although
2138 * no data one way or another is presently known to me.
2139 * The "PERL_" names are used because these calculated constants
2140 * do not meet the ANSI requirements for LONG_MAX, etc., which
2141 * need to be constants acceptable to #if - kja
2142 * define PERL_LONG_MAX 2147483647L
2143 * define PERL_LONG_MIN (-LONG_MAX - 1)
2144 * define PERL ULONG_MAX 4294967295L
2145 */
2146
2147#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2148# include <limits.h>
760ac839 2149#endif
205f51d8
AS
2150/* Included values.h above if necessary; still including limits.h down here,
2151 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2152
99abf803
PP
2153/*
2154 * Try to figure out max and min values for the integral types. THE CORRECT
2155 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2156 * following hacks are used if neither limits.h or values.h provide them:
2157 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2158 * for types < int: (unsigned TYPE)~(unsigned)0
2159 * The argument to ~ must be unsigned so that later signed->unsigned
2160 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2161 * and it must not be smaller than int because ~ does integral promotion.
2162 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2163 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2164 * The latter is a hack which happens to work on some machines but
2165 * does *not* catch any random system, or things like integer types
2166 * with NaN if that is possible.
2167 *
2168 * All of the types are explicitly cast to prevent accidental loss of
2169 * numeric range, and in the hope that they will be less likely to confuse
2170 * over-eager optimizers.
2171 *
2172 */
27d4fb96 2173
99abf803
PP
2174#define PERL_UCHAR_MIN ((unsigned char)0)
2175
2176#ifdef UCHAR_MAX
2177# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2178#else
99abf803
PP
2179# ifdef MAXUCHAR
2180# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2181# else
99abf803 2182# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2183# endif
2184#endif
d460ef45 2185
99abf803
PP
2186/*
2187 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2188 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2189 * depending on local options. Until Configure detects this (or at least
2190 * detects whether the "signed" keyword is available) the CHAR ranges
2191 * will not be included. UCHAR functions normally.
2192 * - kja
2193 */
27d4fb96 2194
99abf803
PP
2195#define PERL_USHORT_MIN ((unsigned short)0)
2196
2197#ifdef USHORT_MAX
2198# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2199#else
99abf803
PP
2200# ifdef MAXUSHORT
2201# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2202# else
ef2f54b0
CB
2203# ifdef USHRT_MAX
2204# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2205# else
2206# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2207# endif
27d4fb96
PP
2208# endif
2209#endif
2210
27d4fb96 2211#ifdef SHORT_MAX
99abf803 2212# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2213#else
2214# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2215# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2216# else
ef2f54b0
CB
2217# ifdef SHRT_MAX
2218# define PERL_SHORT_MAX ((short)SHRT_MAX)
2219# else
2220# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2221# endif
27d4fb96
PP
2222# endif
2223#endif
2224
2225#ifdef SHORT_MIN
99abf803 2226# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2227#else
2228# ifdef MINSHORT
99abf803 2229# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2230# else
ef2f54b0
CB
2231# ifdef SHRT_MIN
2232# define PERL_SHORT_MIN ((short)SHRT_MIN)
2233# else
2234# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2235# endif
27d4fb96
PP
2236# endif
2237#endif
2238
99abf803
PP
2239#ifdef UINT_MAX
2240# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2241#else
99abf803
PP
2242# ifdef MAXUINT
2243# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2244# else
99abf803 2245# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2246# endif
2247#endif
2248
99abf803 2249#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2250
2251#ifdef INT_MAX
99abf803 2252# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2253#else
2254# ifdef MAXINT /* Often used in <values.h> */
99abf803 2255# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2256# else
99abf803 2257# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2258# endif
2259#endif
2260
2261#ifdef INT_MIN
99abf803 2262# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2263#else
2264# ifdef MININT
99abf803 2265# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2266# else
2267# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2268# endif
2269#endif
2270
99abf803
PP
2271#ifdef ULONG_MAX
2272# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2273#else
99abf803
PP
2274# ifdef MAXULONG
2275# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2276# else
99abf803 2277# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2278# endif
2279#endif
2280
99abf803 2281#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2282
760ac839 2283#ifdef LONG_MAX
99abf803 2284# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2285#else
2286# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2287# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2288# else
99abf803 2289# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2290# endif
2291#endif
2292
2293#ifdef LONG_MIN
99abf803 2294# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2295#else
2296# ifdef MINLONG
99abf803 2297# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2298# else
27d4fb96 2299# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2300# endif
2301#endif
2302
d7d93a81 2303#ifdef UV_IS_QUAD
99abf803 2304
99abf803 2305# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2306# define PERL_UQUAD_MIN ((UV)0)
99abf803 2307# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2308# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2309
79072805
LW
2310#endif
2311
22f7c9c9
JH
2312#ifdef MYMALLOC
2313# include "malloc_ctl.h"
2314#endif
2315
830247a4 2316struct RExC_state_t;
8e11feef 2317struct _reg_trie_data;
880b20b6 2318
ee0007ab 2319typedef MEM_SIZE STRLEN;
450a55e4 2320
598921a7
NC
2321#ifdef PERL_MAD
2322typedef struct token TOKEN;
2323typedef struct madprop MADPROP;
2324typedef struct nexttoken NEXTTOKE;
2325#endif
79072805
LW
2326typedef struct op OP;
2327typedef struct cop COP;
2328typedef struct unop UNOP;
2329typedef struct binop BINOP;
2330typedef struct listop LISTOP;
2331typedef struct logop LOGOP;
79072805
LW
2332typedef struct pmop PMOP;
2333typedef struct svop SVOP;
7934575e 2334typedef struct padop PADOP;
79072805 2335typedef struct pvop PVOP;
79072805
LW
2336typedef struct loop LOOP;
2337
cd1541b2
NC
2338typedef struct interpreter PerlInterpreter;
2339
d2b3f365
SS
2340/* Amdahl's <ksync.h> has struct sv */
2341/* SGI's <sys/sema.h> has struct sv */
2342#if defined(UTS) || defined(__sgi)
2343# define STRUCT_SV perl_sv
b8d3c5db
JH
2344#else
2345# define STRUCT_SV sv
2346#endif
2347typedef struct STRUCT_SV SV;
79072805
LW
2348typedef struct av AV;
2349typedef struct hv HV;
2350typedef struct cv CV;
288b8c02 2351typedef struct regexp ORANGE; /* This is the body structure. */
d2f13c59 2352typedef struct p5rx REGEXP;
79072805 2353typedef struct gp GP;
0c30d9ec 2354typedef struct gv GV;
8990e307 2355typedef struct io IO;
c09156bb 2356typedef struct context PERL_CONTEXT;
79072805
LW
2357typedef struct block BLOCK;
2358
2359typedef struct magic MAGIC;
2360typedef struct xpv XPV;
2361typedef struct xpviv XPVIV;
ff68c719 2362typedef struct xpvuv XPVUV;
79072805
LW
2363typedef struct xpvnv XPVNV;
2364typedef struct xpvmg XPVMG;
2365typedef struct xpvlv XPVLV;
2366typedef struct xpvav XPVAV;
2367typedef struct xpvhv XPVHV;
2368typedef struct xpvgv XPVGV;
2369typedef struct xpvcv XPVCV;
2370typedef struct xpvbm XPVBM;
2371typedef struct xpvfm XPVFM;
8990e307 2372typedef struct xpvio XPVIO;
79072805
LW
2373typedef struct mgvtbl MGVTBL;
2374typedef union any ANY;
5f7fde29
GS
2375typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2376typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2377typedef struct clone_params CLONE_PARAMS;
2378
378cc40b 2379#include "handy.h"
a0d0e21e 2380
6b8eaf93 2381#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2382# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2383# define USE_64_BIT_RAWIO /* implicit */
2384# endif
4564133c
JH
2385#endif
2386
6b8eaf93
JH
2387/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2388 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2389 * however, because operating systems like to do that themself. */
2390#ifndef FSEEKSIZE
2391# ifdef HAS_FSEEKO
2392# define FSEEKSIZE LSEEKSIZE
2393# else
2394# define FSEEKSIZE LONGSIZE
d460ef45 2395# endif
6b8eaf93
JH
2396#endif
2397
2398#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2399# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2400# define USE_64_BIT_STDIO /* implicit */
2401# endif
2402#endif
4564133c 2403
09458382 2404#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2405# ifdef HAS_OFF64_T
2406# undef Off_t
2407# define Off_t off64_t
2408# undef LSEEKSIZE
2409# define LSEEKSIZE 8
5ff3f7a4 2410# endif
d9b3e12d
JH
2411/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2412 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2413 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2414# if defined(USE_OPEN64)
2415# define open open64
5ff3f7a4 2416# endif
d9b3e12d
JH
2417# if defined(USE_LSEEK64)
2418# define lseek lseek64
6b8eaf93
JH
2419# else
2420# if defined(USE_LLSEEK)
2421# define lseek llseek
2422# endif
d9b3e12d
JH
2423# endif
2424# if defined(USE_STAT64)
2425# define stat stat64
2426# endif
2427# if defined(USE_FSTAT64)
2428# define fstat fstat64
2429# endif
2430# if defined(USE_LSTAT64)
2431# define lstat lstat64
2432# endif
2433# if defined(USE_FLOCK64)
2434# define flock flock64
2435# endif
2436# if defined(USE_LOCKF64)
2437# define lockf lockf64
2438# endif
2439# if defined(USE_FCNTL64)
2440# define fcntl fcntl64
2441# endif
2442# if defined(USE_TRUNCATE64)
2443# define truncate truncate64
2444# endif
2445# if defined(USE_FTRUNCATE64)
2446# define ftruncate ftruncate64
2447# endif
2448#endif
2449
2450#ifdef USE_64_BIT_STDIO
2451# ifdef HAS_FPOS64_T
2452# undef Fpos_t
2453# define Fpos_t fpos64_t
2454# endif
2455/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2456 * will trigger defines like the ones below. Some 64-bit environments,
2457 * however, do not. */
2458# if defined(USE_FOPEN64)
2459# define fopen fopen64
2460# endif
2461# if defined(USE_FSEEK64)
6b8eaf93 2462# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2463# endif
2464# if defined(USE_FTELL64)
6b8eaf93 2465# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2466# endif
2467# if defined(USE_FSETPOS64)
2468# define fsetpos fsetpos64
2469# endif
2470# if defined(USE_FGETPOS64)
2471# define fgetpos fgetpos64
2472# endif
2473# if defined(USE_TMPFILE64)
2474# define tmpfile tmpfile64
2475# endif
2476# if defined(USE_FREOPEN64)
2477# define freopen freopen64
5ff3f7a4
GS
2478# endif
2479#endif
2480
af8b425d 2481#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2482# include "iperlsys.h"
2483#endif
2484
6f71a643 2485#if defined(__OPEN_VM)
19848b3f
JH
2486# include "vmesa/vmesaish.h"
2487# define ISHISH "vmesa"
6f71a643
JH
2488#endif
2489
748a9306 2490#ifdef DOSISH
19848b3f
JH
2491# if defined(OS2)
2492# include "os2ish.h"
2493# else
2494# include "dosish.h"
2495# endif
2496# define ISHISH "dos"
2497#endif
2498
2499#if defined(VMS)
748a9306 2500# include "vmsish.h"
96e176bf 2501# include "embed.h"
eb8433b7
NC
2502# ifndef PERL_MAD
2503# undef op_getmad
b3f24c00 2504# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2505# endif
19848b3f
JH
2506# define ISHISH "vms"
2507#endif
2508
2509#if defined(PLAN9)
2510# include "./plan9/plan9ish.h"
2511# define ISHISH "plan9"
2512#endif
2513
2514#if defined(MPE)
2515# include "mpeix/mpeixish.h"
2516# define ISHISH "mpeix"
2517#endif
2518
2519#if defined(__VOS__)
196918b0
PG
2520# ifdef __GNUC__
2521# include "./vos/vosish.h"
2522# else
2523# include "vos/vosish.h"
2524# endif
19848b3f
JH
2525# define ISHISH "vos"
2526#endif
2527
2528#if defined(EPOC)
2529# include "epocish.h"
2530# define ISHISH "epoc"
2531#endif
2532
9969cdde 2533#ifdef __SYMBIAN32__
27da23d5
JH
2534# include "symbian/symbianish.h"
2535# include "embed.h"
eb8433b7
NC
2536# ifndef PERL_MAD
2537# undef op_getmad
b3f24c00 2538# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2539# endif
27da23d5
JH
2540# define ISHISH "symbian"
2541#endif
2542
19848b3f
JH
2543#if defined(MACOS_TRADITIONAL)
2544# include "macos/macish.h"
2545# ifndef NO_ENVIRON_ARRAY
2546# define NO_ENVIRON_ARRAY
0c30d9ec 2547# endif
19848b3f
JH
2548# define ISHISH "macos classic"
2549#endif
2550
efca5cc6
JH
2551#if defined(__BEOS__)
2552# include "beos/beosish.h"
2553# define ISHISH "beos"
2554#endif
2555
19848b3f
JH
2556#ifndef ISHISH
2557# include "unixish.h"
2558# define ISHISH "unix"
13b6e58c
JH
2559#endif
2560
2946a158
JH
2561/* NSIG logic from Configure --> */
2562/* Strange style to avoid deeply-nested #if/#else/#endif */
2563#ifndef NSIG
2564# ifdef _NSIG
2565# define NSIG (_NSIG)
2566# endif
2567#endif
2568
2569#ifndef NSIG
2570# ifdef SIGMAX
2571# define NSIG (SIGMAX+1)
2572# endif
2573#endif
2574
2575#ifndef NSIG
2576# ifdef SIG_MAX
2577# define NSIG (SIG_MAX+1)
2578# endif
2579#endif
2580
2581#ifndef NSIG
2582# ifdef _SIG_MAX
2583# define NSIG (_SIG_MAX+1)
2584# endif
2585#endif
2586
2587#ifndef NSIG
2588# ifdef MAXSIG
2589# define NSIG (MAXSIG+1)
2590# endif
2591#endif
2592
2593#ifndef NSIG
2594# ifdef MAX_SIG
2595# define NSIG (MAX_SIG+1)
2596# endif
2597#endif
2598
2599#ifndef NSIG
2600# ifdef SIGARRAYSIZE
2601# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2602# endif
2603#endif
2604
2605#ifndef NSIG
2606# ifdef _sys_nsig
2607# define NSIG (_sys_nsig) /* Solaris 2.5 */
2608# endif
2609#endif
2610
2611/* Default to some arbitrary number that's big enough to get most
2612 of the common signals.
2613*/
2614#ifndef NSIG
2615# define NSIG 50
2616#endif
2617/* <-- NSIG logic from Configure */
2618
13b6e58c
JH
2619#ifndef NO_ENVIRON_ARRAY
2620# define USE_ENVIRON_ARRAY
2621#endif
32f822de 2622
c77b533b
JH
2623/*
2624 * initialise to avoid floating-point exceptions from overflow, etc
2625 */
2626#ifndef PERL_FPU_INIT
2627# ifdef HAS_FPSETMASK
2628# if HAS_FLOATINGPOINT_H
2629# include <floatingpoint.h>
2630# endif
7f7c3354 2631# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2632# else
2f42fcb0 2633# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2634# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2635# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2636# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2637# else
2638# define PERL_FPU_INIT
2f42fcb0 2639
7014c407 2640# endif
c77b533b
JH
2641# endif
2642#endif
b35112e7
CS
2643#ifndef PERL_FPU_PRE_EXEC
2644# define PERL_FPU_PRE_EXEC {
2645# define PERL_FPU_POST_EXEC }
2646#endif
c77b533b 2647
cbec8ebe
DM
2648#ifndef PERL_SYS_INIT3_BODY
2649# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2650#endif
2651
cbec8ebe
DM
2652#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2653#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2654#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2655
be708cc0
JH
2656#ifndef PERL_WRITE_MSG_TO_CONSOLE
2657# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2658#endif
2659
0f31cffe
GS
2660#ifndef MAXPATHLEN
2661# ifdef PATH_MAX
b990c8b2
JH
2662# ifdef _POSIX_PATH_MAX
2663# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2664/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2665 * included the null byte or not. Later amendments of POSIX,
2666 * XPG4, the Austin Group, and the Single UNIX Specification
2667 * all explicitly include the null byte in the PATH_MAX.
2668 * Ditto for _POSIX_PATH_MAX. */
2669# define MAXPATHLEN PATH_MAX
b990c8b2 2670# else
09448d78 2671# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2672# endif
2673# else
2674# define MAXPATHLEN (PATH_MAX+1)
2675# endif
0f31cffe 2676# else
b990c8b2 2677# ifdef _POSIX_PATH_MAX
09448d78 2678# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2679# else
2680# define MAXPATHLEN 1024 /* Err on the large side. */
2681# endif
0f31cffe
GS
2682# endif
2683#endif
2684
c80263a8
SH
2685/* In case Configure was not used (we are using a "canned config"
2686 * such as Win32, or a cross-compilation setup, for example) try going
2687 * by the gcc major and minor versions. One useful URL is
2688 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2689 * but contrary to this information warn_unused_result seems
2690 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2691 * Also, when building extensions with an installed perl, this allows
2692 * the user to upgrade gcc and get the right attributes, rather than
2693 * relying on the list generated at Configure time. --AD
c80263a8
SH
2694 * Set these up now otherwise we get confused when some of the <*thread.h>
2695 * includes below indirectly pull in <perlio.h> (which needs to know if we
2696 * have HASATTRIBUTE_FORMAT).
2697 */
2698
4d7c7898 2699#ifndef PERL_MICRO
fc2007d4 2700#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2701# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2702# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2703# if defined __MINGW32__
2704# define PRINTF_FORMAT_NULL_OK
2705# endif
c80263a8
SH
2706# endif
2707# if __GNUC__ >= 3 /* 3.0 -> */
2708# define HASATTRIBUTE_MALLOC
2709# endif
2710# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2711# define HASATTRIBUTE_NONNULL
2712# endif
2713# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2714# define HASATTRIBUTE_NORETURN
2715# endif
2716# if __GNUC__ >= 3 /* gcc 3.0 -> */
2717# define HASATTRIBUTE_PURE
2718# endif
42bf5550 2719# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2720# define HASATTRIBUTE_UNUSED
2721# endif
d324fe49
AD
2722# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2723# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2724# endif
c80263a8
SH
2725# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2726# define HASATTRIBUTE_WARN_UNUSED_RESULT
2727# endif
2728#endif
4d7c7898 2729#endif /* #ifndef PERL_MICRO */
c80263a8 2730
3db8f154 2731/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2732 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2733 * this results in many functions being undeclared which bothers C++
2734 * May make sense to have threads after "*ish.h" anyway
2735 */
2736
3db8f154 2737#if defined(USE_ITHREADS)
2986a63f
JH
2738# ifdef NETWARE
2739# include <nw5thread.h>
2740# else
32f822de
GS
2741# ifdef FAKE_THREADS
2742# include "fakethr.h"
2743# else
2744# ifdef WIN32
2745# include <win32thread.h>
2746# else
dd96f567
IZ
2747# ifdef OS2
2748# include "os2thread.h"
2749# else
7f3d1cf1 2750# ifdef I_MACH_CTHREADS
bdd66968 2751# include <mach/cthreads.h>
8f1f23e8 2752# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2753# define MUTEX_INIT_CALLS_MALLOC
2754# endif
7f3d1cf1
BH
2755typedef cthread_t perl_os_thread;
2756typedef mutex_t perl_mutex;
2757typedef condition_t perl_cond;
2758typedef void * perl_key;
2759# else /* Posix threads */
1f5ae88c
JH
2760# ifdef I_PTHREAD
2761# include <pthread.h>
2762# endif
7f3d1cf1
BH
2763typedef pthread_t perl_os_thread;
2764typedef pthread_mutex_t perl_mutex;
2765typedef pthread_cond_t perl_cond;
2766typedef pthread_key_t perl_key;
2767# endif /* I_MACH_CTHREADS */
dd96f567 2768# endif /* OS2 */
32f822de
GS
2769# endif /* WIN32 */
2770# endif /* FAKE_THREADS */
2986a63f 2771#endif /* NETWARE */
3db8f154 2772#endif /* USE_ITHREADS */
c5be433b 2773
66a93824 2774#if defined(WIN32)
1feb2720 2775# include "win32.h"
c5be433b
GS
2776#endif
2777
2986a63f
JH
2778#ifdef NETWARE
2779# include "netware.h"
2780#endif
2781
e5218da5 2782#define STATUS_UNIX PL_statusvalue
68dc0745 2783#ifdef VMS
6b88bc9c 2784# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2785/*
2786 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2787 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2788 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2789 * be updated also.
2790 */
2791# include <stsdef.h>
2792# include <ssdef.h>
2793/* Presume this because if VMS changes it, it will require a new
2794 * set of APIs for waiting on children for binary compatibility.
2795 */
2796# define child_offset_bits (8)
2797# ifndef C_FAC_POSIX
2798# define C_FAC_POSIX 0x35A000
2799# endif
2800
2801/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2802 * platform from the existing UNIX or Native status values.
2803 */
2804
37038d91 2805# define STATUS_EXIT \
7a7fd8e0
JM
2806 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2807 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2808
7a7fd8e0 2809
fb38d079
JM
2810/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2811 * exit code and shifts the UNIX value over the correct number of bits to
2812 * be a child status. Usually the number of bits is 8, but that could be
2813 * platform dependent. The NATIVE status code is presumed to have either
2814 * from a child process.
7a7fd8e0
JM
2815 */
2816
fb38d079
JM
2817/* This is complicated. The child processes return a true native VMS
2818 status which must be saved. But there is an assumption in Perl that
2819 the UNIX child status has some relationship to errno values, so
2820 Perl tries to translate it to text in some of the tests.
2821 In order to get the string translation correct, for the error, errno
2822 must be EVMSERR, but that generates a different text message
2823 than what the test programs are expecting. So an errno value must
2824 be derived from the native status value when an error occurs.
2825 That will hide the true native status message. With this version of
2826 perl, the true native child status can always be retrieved so that
2827 is not a problem. But in this case, Pl_statusvalue and errno may
2828 have different values in them.
2829 */
7a7fd8e0 2830
fb38d079 2831# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2832 STMT_START { \
2fbb330f
JM
2833 I32 evalue = (I32)n; \
2834 if (evalue == EVMSERR) { \
2835 PL_statusvalue_vms = vaxc$errno; \
2836 PL_statusvalue = evalue; \
7a7fd8e0 2837 } else { \
2fbb330f 2838 PL_statusvalue_vms = evalue; \
fb38d079 2839 if (evalue == -1) { \
3280af22 2840 PL_statusvalue = -1; \
7a7fd8e0
JM
2841 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2842 } else \
fb38d079 2843 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2844 set_vaxc_errno(evalue); \
fb38d079
JM
2845 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2846 set_errno(EVMSERR); \
2847 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2848 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2849 } \
68dc0745 2850 } STMT_END
7a7fd8e0 2851
68dc0745 2852# ifdef VMSISH_STATUS
e5218da5 2853# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2854# else
e5218da5 2855# define STATUS_CURRENT STATUS_UNIX
68dc0745 2856# endif
7a7fd8e0
JM
2857
2858 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2859 * the NATIVE status to an equivalent value. Can not be used to translate
2860 * exit code values as exit code values are not guaranteed to have any
2861 * relationship at all to errno values.
2862 * This is used when Perl is forcing errno to have a specific value.
2863 */
e5218da5 2864# define STATUS_UNIX_SET(n) \
68dc0745 2865 STMT_START { \
7a7fd8e0 2866 I32 evalue = (I32)n; \
0968cdad 2867 PL_statusvalue = evalue; \
3280af22 2868 if (PL_statusvalue != -1) { \
0968cdad
JM
2869 if (PL_statusvalue != EVMSERR) { \
2870 PL_statusvalue &= 0xFFFF; \
2871 if (MY_POSIX_EXIT) \
2872 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2873 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2874 } \
2875 else { \
2876 PL_statusvalue_vms = vaxc$errno; \
2877 } \
68dc0745 2878 } \
0968cdad
JM
2879 else PL_statusvalue_vms = SS$_ABORT; \
2880 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2881 } STMT_END
2882
2883 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2884 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2885 * the UNIX/POSIX exit codes have any relationship to errno, except
2886 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2887 * with the Perl VMS documentation, any other code sets the NATIVE
2888 * status to a failure code of SS$_ABORT.
fb38d079
JM
2889 *
2890 * In the new POSIX EXIT mode, native status will be set so that the
2891 * actual exit code will can be retrieved by the calling program or
2892 * shell.
2893 *
2894 * If the exit code is not clearly a UNIX parent or child exit status,
2895 * it will be passed through as a VMS status.
7a7fd8e0
JM
2896 */
2897
fb38d079 2898# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2899 STMT_START { \
2900 I32 evalue = (I32)n; \
2901 PL_statusvalue = evalue; \
fb38d079
JM
2902 if (evalue != -1) { \
2903 if (evalue <= 0xFF00) { \
2904 if (evalue > 0xFF) \
2905 evalue = (evalue >> child_offset_bits) & 0xFF; \
2906 if (evalue == 0) \
2907 PL_statusvalue_vms == SS$_NORMAL; \
2908 else \
2909 if (MY_POSIX_EXIT) \
2910 PL_statusvalue_vms = \
2911 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2912 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2913 else \
6ac6a52b 2914 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2915 } else { /* forgive them Perl, for they have sinned */ \
2916 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2917 else PL_statusvalue_vms = vaxc$errno; \
2918 /* And obviously used a VMS status value instead of UNIX */ \
2919 PL_statusvalue = EVMSERR; \
2920 } \
7a7fd8e0
JM
2921 } \
2922 else PL_statusvalue_vms = SS$_ABORT; \
2923 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2924 } STMT_END
fb38d079 2925
6ac6a52b
JM
2926 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2927 * and sets the NATIVE error status based on it. This special case
2928 * is needed to maintain compatibility with past VMS behavior.
2929 *
2930 * In the default mode on VMS, this number is passed through as
2931 * both the NATIVE and UNIX status. Which makes it different
2932 * that the STATUS_UNIX_EXIT_SET.
2933 *
2934 * In the new POSIX EXIT mode, native status will be set so that the
2935 * actual exit code will can be retrieved by the calling program or
2936 * shell.
2937 *
2938 */
2939
2940# define STATUS_EXIT_SET(n) \
2941 STMT_START { \
2942 I32 evalue = (I32)n; \
2943 PL_statusvalue = evalue; \
2944 if (MY_POSIX_EXIT) \
2945 PL_statusvalue_vms = \
2946 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2947 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2948 else \
2949 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2950 set_vaxc_errno(PL_statusvalue_vms); \
2951 } STMT_END
2952
fb38d079
JM
2953
2954 /* This macro forces a success status */
7a7fd8e0
JM
2955# define STATUS_ALL_SUCCESS \
2956 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2957
2958 /* This macro forces a failure status */
7a7fd8e0
JM
2959# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2960 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2961 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2962
68dc0745 2963#else
e5218da5 2964# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2965# if defined(WCOREDUMP)
37038d91 2966# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2967 STMT_START { \
2968 PL_statusvalue_posix = (n); \
2969 if (PL_statusvalue_posix == -1) \
2970 PL_statusvalue = -1; \
2971 else { \
2972 PL_statusvalue = \
2973 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2974 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2975 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2976 } \
2977 } STMT_END
2978# elif defined(WIFEXITED)
37038d91 2979# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2980 STMT_START { \
2981 PL_statusvalue_posix = (n); \
2982 if (PL_statusvalue_posix == -1) \
2983 PL_statusvalue = -1; \
2984 else { \
2985 PL_statusvalue = \
2986 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2987 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2988 } \
2989 } STMT_END
2990# else
37038d91 2991# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2992 STMT_START { \
2993 PL_statusvalue_posix = (n); \
2994 if (PL_statusvalue_posix == -1) \
2995 PL_statusvalue = -1; \
2996 else { \
2997 PL_statusvalue = \
2998 PL_statusvalue_posix & 0xFFFF; \
2999 } \
3000 } STMT_END
3001# endif
3002# define STATUS_UNIX_SET(n) \
68dc0745 3003 STMT_START { \
3280af22
NIS
3004 PL_statusvalue = (n); \
3005 if (PL_statusvalue != -1) \
3006 PL_statusvalue &= 0xFFFF; \
68dc0745 3007 } STMT_END
7a7fd8e0 3008# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3009# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3010# define STATUS_CURRENT STATUS_UNIX
37038d91 3011# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3012# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3013# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3014#endif
3015
cc3604b1
GS
3016/* flags in PL_exit_flags for nature of exit() */
3017#define PERL_EXIT_EXPECTED 0x01
31d77e54 3018#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3019
0b94c7bb 3020#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
3021# define MEMBER_TO_FPTR(name) name
3022#endif
3023
3024/* format to use for version numbers in file/directory names */
273cf8d1 3025/* XXX move to Configure? */
a7cb1f99 3026#ifndef PERL_FS_VER_FMT
273cf8d1 3027# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
3028#endif
3029
45bc9206 3030/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3031 * performance issue, so we allow people to disable it. Also, if
3032 * we are using stdio, there are broken implementations of fflush(NULL)
3033 * out there, Solaris being the most prominent.
45bc9206
GS
3034 */
3035#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3036# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3037# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3038# else
3039# ifdef FFLUSH_ALL
3040# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3041# else
c5be433b 3042# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3043# endif
66fe083f 3044# endif
45bc9206
GS
3045#endif
3046
7766f137
GS
3047#ifndef PERL_WAIT_FOR_CHILDREN
3048# define PERL_WAIT_FOR_CHILDREN NOOP
3049#endif
3050
ba869deb 3051/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3052#ifndef PERL_SET_INTERP
3053# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3054#endif
3055
3056#ifndef PERL_GET_INTERP
3057# define PERL_GET_INTERP (PL_curinterp)
3058#endif
3059
54aff467 3060#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3061# ifdef MULTIPLICITY
ba869deb 3062# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3063# endif
ba869deb
GS
3064# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3065#endif
3066
8896765a
RB
3067/*
3068 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3069 All that is required is that the perl source does not
8896765a
RB
3070 use "%-p" or "%-<number>p" or "%<number>p" formats.
3071 These formats will still work in perl code.
3072 See comments in sv.c for futher details.
3073
8896765a 3074 Robin Barker 2005-07-14
f46d31f2
RB
3075
3076 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3077*/
8896765a
RB
3078
3079#ifndef SVf_
63ce7bf0 3080# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3081#endif
3082
8896765a 3083#ifndef SVf
104abab4 3084# define SVf "-p"
d2560b70
RB
3085#endif
3086
014ead4b 3087#ifndef SVf32
8896765a 3088# define SVf32 SVf_(32)
014ead4b
RB
3089#endif
3090
3091#ifndef SVf256
8896765a
RB
3092# define SVf256 SVf_(256)
3093#endif
3094
be2597df
MHM
3095#define SVfARG(p) ((void*)(p))
3096
f46d31f2
RB
3097#ifdef PERL_CORE
3098/* not used; but needed for backward compatibilty with XS code? - RMB */
3099# undef VDf
3100#else
3101# ifndef VDf
8896765a
RB
3102# define VDf "vd"
3103# endif
014ead4b 3104#endif
170cd9e9
NC
3105
3106#ifdef PERL_CORE
f5992bc4 3107/* not used; but needed for backward compatibilty with XS code? - RMB */
7776bb98
RB
3108# undef UVf
3109#else
170cd9e9
NC
3110# ifndef UVf
3111# define UVf UVuf
3112# endif
d2560b70
RB
3113#endif
3114
0dbb1585
AL
3115#ifdef HASATTRIBUTE_FORMAT
3116# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3117#endif
3118#ifdef HASATTRIBUTE_MALLOC
77785eea 3119# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3120#endif
0dbb1585 3121#ifdef HASATTRIBUTE_NONNULL
abb2c242 3122# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3123#endif
0dbb1585 3124#ifdef HASATTRIBUTE_NORETURN
abb2c242 3125# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3126#endif
0dbb1585 3127#ifdef HASATTRIBUTE_PURE
abb2c242 3128# define __attribute__pure__ __attribute__((pure))
f22be1b8 3129#endif
0dbb1585
AL
3130#ifdef HASATTRIBUTE_UNUSED
3131# define __attribute__unused__ __attribute__((unused))
3132#endif
3133#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3134# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3135#endif
3136
0dbb1585
AL
3137/* If we haven't defined the attributes yet, define them to blank. */
3138#ifndef __attribute__format__
3139# define __attribute__format__(x,y,z)
3140#endif
f22be1b8 3141#ifndef __attribute__malloc__
abb2c242 3142# define __attribute__malloc__
f22be1b8
JH
3143#endif
3144#ifndef __attribute__nonnull__
abb2c242 3145# define __attribute__nonnull__(a)
f22be1b8
JH
3146#endif
3147#ifndef __attribute__noreturn__
abb2c242 3148# define __attribute__noreturn__
f22be1b8
JH
3149#endif
3150#ifndef __attribute__pure__
abb2c242 3151# define __attribute__pure__
f22be1b8 3152#endif
0dbb1585
AL
3153#ifndef __attribute__unused__
3154# define __attribute__unused__
3155#endif
f22be1b8 3156#ifndef __attribute__warn_unused_result__
abb2c242
JH
3157# define __attribute__warn_unused_result__
3158#endif
3159
0dbb1585
AL
3160/* For functions that are marked as __attribute__noreturn__, it's not
3161 appropriate to call return. In either case, include the lint directive.
3162 */
3163#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3164# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3165#else
b37c2d43 3166# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3167#endif
3168
cdfeb707
RB
3169/* Some OS warn on NULL format to printf */
3170#ifdef PRINTF_FORMAT_NULL_OK
3171# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3172#else
3173# define __attribute__format__null_ok__(x,y,z)
3174#endif
3175
635aebb7 3176#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3177# define EXPECT(expr,val) __builtin_expect(expr,val)
3178#else
3179# define EXPECT(expr,val) (expr)
3180#endif
3181#define LIKELY(cond) EXPECT(cond,1)
3182#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3183#ifdef HAS_BUILTIN_CHOOSE_EXPR
3184/* placeholder */
3185#endif
b37c2d43 3186
3fc1aec6
PP
3187/* Some unistd.h's give a prototype for pause() even though
3188 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3189 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3190*/
3191#ifdef HAS_PAUSE
3192#define Pause pause
3193#else
3194#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3195#endif
3196
3197#ifndef IOCPARM_LEN
3198# ifdef IOCPARM_MASK
61f1c44b 3199 /* on BSDish systems we're safe */
748a9306
LW
3200# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3201# else
61f1c44b 3202# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3203 /* on Linux systems we're safe; except when we're not [perl #38223] */
3204# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3205# else
748a9306 3206 /* otherwise guess at what's safe */
61f1c44b
JVD
3207# define IOCPARM_LEN(x) 256
3208# endif
748a9306 3209# endif
a0d0e21e
LW
3210#endif
3211
1761cee5 3212#if defined(__CYGWIN__)
521e0776
GS
3213/* USEMYBINMODE
3214 * This symbol, if defined, indicates that the program should
16fe6d59 3215 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3216 * that a file is in "binary" mode -- that is, that no translation
3217 * of bytes occurs on read or write operations.
3218 */
36894f0b 3219# define USEMYBINMODE /**/
77a40698 3220# include <io.h> /* for setmode() prototype */
16fe6d59 3221# define my_binmode(fp, iotype, mode) \
77a40698 3222 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3223#endif
3224
88d10794
JH
3225#ifdef __CYGWIN__
3226void init_os_extras(void);
3227#endif
3228
cea2e8a9
GS
3229#ifdef UNION_ANY_DEFINITION
3230UNION_ANY_DEFINITION;
3231#else
3232union any {
3233 void* any_ptr;
3234 I32 any_i32;
3235 IV any_iv;
3236 long any_long;
9febdf04 3237 bool any_bool;
c76ac1ee 3238 void (*any_dptr) (void*);
acfe0abc 3239 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3240};
3241#endif
3242
acfe0abc 3243typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3244
3245#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3246#define FILTER_DATA(idx) \
3247 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3248#define FILTER_ISREADER(idx) \
3249 (PL_parser && PL_parser->rsfp_filters \
3250 && idx >= AvFILLp(PL_parser->rsfp_filters))
3251#define PERL_FILTER_EXISTS(i) \
3252 (PL_parser && PL_parser->rsfp_filters \
3253 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3254
c5078cac
JH
3255#if defined(_AIX) && !defined(_AIX43)
3256#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3257/* We cannot include <crypt.h> to get the struct crypt_data
3258 * because of setkey prototype problems when threading */
3259typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3260 /* From OSF, Not needed in AIX
3261 char C[28], D[28];
3262 */
3263 char E[48];
3264 char KS[16][48];
3265 char block[66];
3266 char iobuf[16];
3267} CRYPTD;
3268#endif /* threading */
3269#endif /* AIX */
3270
af8b425d 3271#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3272# include "iperlsys.h"
3273#endif
504f80c1 3274
9c12f1e5
RGS
3275#ifdef __LIBCATAMOUNT__
3276#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3277#undef HAS_GROUP
3278#define FAKE_BIT_BUCKET
3279#endif
3280
d10dc2ae
JH
3281/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3282 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3283 * defined by Configure, despite their names being similar to the
3284 * other defines like USE_ITHREADS. Configure in fact knows nothing
3285 * about the randomised hashes. Therefore to enable/disable the hash
3286 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3287#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3288# define USE_HASH_SEED
504f80c1
JH
3289#endif
3290
598921a7
NC
3291/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3292 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3293 * it's not really needed.
3294 */
3295#if defined(WIN32)
3296# define YYTOKENTYPE
3297#endif
3298#include "perly.h"
3299
3300#ifdef PERL_MAD
3301struct nexttoken {
3302 YYSTYPE next_val; /* value of next token, if any */
3303 I32 next_type; /* type of next token */
3304 MADPROP *next_mad; /* everything else about that token */
3305};
3306#endif
3307
79072805 3308#include "sv.h"
288b8c02 3309#include "regexp.h"
378cc40b 3310#include "util.h"
8d063cd8 3311#include "form.h"
79072805 3312#include "gv.h"
dd2155a4 3313#include "pad.h"
79072805 3314#include "cv.h"
abdd5c84 3315#include "opnames.h"
79072805 3316#include "op.h"
b3ca2e83 3317#include "hv.h"
79072805
LW
3318#include "cop.h"
3319#include "av.h"
79072805
LW
3320#include "mg.h"
3321#include "scope.h"
4438c4b7 3322#include "warnings.h"
a0ed51b3 3323#include "utf8.h"
8d063cd8 3324
20f4945e
MHM
3325/* defined in sv.c, but also used in [ach]v.c */
3326#undef _XPV_ALLOCATED_HEAD
3327#undef _XPV_HEAD
3328#undef _XPVMG_HEAD
3329#undef _XPVCV_COMMON
7fae4e64
GS
3330
3331typedef struct _sublex_info SUBLEXINFO;
3332struct _sublex_info {
651b5b28
NC
3333 U8 super_state; /* lexer state to save */
3334 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3335 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3336 char *super_bufptr; /* PL_parser->bufptr that was */
3337 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS
3338};
3339
199e78b7
DM
3340#include "parser.h"
3341
455ece5e 3342typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3343
2c2d71f5 3344struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3345struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3346
6f51351d
NC
3347/* Keep next first in this structure, because sv_free_arenas take
3348 advantage of this to share code between the pte arenas and the SV
3349 body arenas */
5f7fde29
GS
3350struct ptr_tbl_ent {
3351 struct ptr_tbl_ent* next;
53c1dcc0 3352 const void* oldval;
5f7fde29 3353 void* newval;
d18c6117
GS
3354};
3355
5f7fde29
GS
3356struct ptr_tbl {
3357 struct ptr_tbl_ent** tbl_ary;
3358 UV tbl_max;
3359 UV tbl_items;
d18c6117
GS
3360};
3361
450a55e4 3362#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3363# define I286
3364#endif
3365
fe14fcc3
LW
3366#if defined(htonl) && !defined(HAS_HTONL)
3367#define HAS_HTONL
ae986130 3368#endif
fe14fcc3
LW
3369#if defined(htons) && !defined(HAS_HTONS)
3370#define HAS_HTONS
ae986130 3371#endif
fe14fcc3
LW
3372#if defined(ntohl) && !defined(HAS_NTOHL)
3373#define HAS_NTOHL
ae986130 3374#endif
fe14fcc3
LW
3375#if defined(ntohs) && !defined(HAS_NTOHS)
3376#define HAS_NTOHS
ae986130 3377#endif
fe14fcc3 3378#ifndef HAS_HTONL
d9d8d8de 3379#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3380#define HAS_HTONS
3381#define HAS_HTONL
3382#define HAS_NTOHS
3383#define HAS_NTOHL
a687059c
LW
3384#define MYSWAP
3385#define htons my_swap
3386#define htonl my_htonl
3387#define ntohs my_swap
3388#define ntohl my_ntohl
3389#endif
3390#else
d9d8d8de 3391#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3392#undef HAS_HTONS
3393#undef HAS_HTONL
3394#undef HAS_NTOHS
3395#undef HAS_NTOHL
a687059c
LW
3396#endif
3397#endif
3398
988174c1
LW
3399/*
3400 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3401 * -DWS
3402 */
3403#if BYTEORDER != 0x1234
3404# define HAS_VTOHL
3405# define HAS_VTOHS
3406# define HAS_HTOVL
3407# define HAS_HTOVS
c67712b2 3408# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3409# define vtohl(x) ((((x)&0xFF)<<24) \
3410 +(((x)>>24)&0xFF) \
3411 +(((x)&0x0000FF00)<<8) \
3412 +(((x)&0x00FF0000)>>8) )
3413# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3414# define htovl(x) vtohl(x)
3415# define htovs(x) vtohs(x)
3416# endif
3417 /* otherwise default to functions in util.c */
2a8c3029 3418#ifndef htovs
c623ac67
GS
3419short htovs(short n);
3420short vtohs(short n);
3421long htovl(long n);
3422long vtohl(long n);
988174c1 3423#endif
2a8c3029 3424#endif
988174c1 3425
3bb7c1b4
JH
3426/* *MAX Plus 1. A floating point value.
3427 Hopefully expressed in a way that dodgy floating point can't mess up.
3428 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3429 is added to it
3430 May find that some broken compiler will want the value cast to I32.
3431 [after the shift, as signed >> may not be as secure as unsigned >>]
3432*/
3433#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3434#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3435/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3436 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3437 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3438*/
3439#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3440
3bb7c1b4
JH
3441#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3442#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3443#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3444
3445/* This may look like unnecessary jumping through hoops, but converting
3446 out of range floating point values to integers *is* undefined behaviour,
3447 and it is starting to bite.
3448*/
3449#ifndef CAST_INLINE
65202027 3450#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3451#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3452#define I_V(what) (cast_iv((NV)(what)))
3453#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3454#else
3455#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3456 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3457 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3458#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3459 : ((n) < U32_MAX_P1 ? (U32) (n) \
3460 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3461#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3462 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3463 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3464#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3465 : ((n) < UV_MAX_P1 ? (UV) (n) \
3466 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3467#endif
3468
3469#define U_S(what) ((U16)U_32(what))
3470#define U_I(what) ((unsigned int)U_32(what))
3471#define U_L(what) U_32(what)
ed6116ce 3472
ed140128
AD
3473#ifdef HAS_SIGNBIT
3474# define Perl_signbit signbit
3475#endif
3476
2d4389e4
JH
3477/* These do not care about the fractional part, only about the range. */
3478#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3479#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3480
25da4f38
IZ
3481/* Used with UV/IV arguments: */
3482 /* XXXX: need to speed it up */
3483#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3484#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3485
352d5a3a
LW
3486#ifndef MAXSYSFD
3487# define MAXSYSFD 2
3488#endif
ee0007ab 3489
79072805 3490#ifndef __cplusplus
27da23d5 3491#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3492Uid_t getuid (void);
3493Uid_t geteuid (void);
3494Gid_t getgid (void);
3495Gid_t getegid (void);
79072805 3496#endif
e1caacb4 3497#endif
8d063cd8 3498
0c30d9ec 3499#ifndef Perl_debug_log
bf49b057
GS
3500# define Perl_debug_log PerlIO_stderr()
3501#endif
3502
3503#ifndef Perl_error_log
3504# define Perl_error_log (PL_stderrgv \
6b78add2 3505 && isGV(PL_stderrgv) \
01bb7c6d 3506 && GvIOp(PL_stderrgv) \
42de951c 3507 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3508 ? IoOFP(GvIOp(PL_stderrgv)) \
3509 : PerlIO_stderr())
0c30d9ec 3510#endif
3967c732 3511
aea4f609
DM
3512
3513#define DEBUG_p_FLAG 0x00000001 /* 1 */
3514#define DEBUG_s_FLAG 0x00000002 /* 2 */
3515#define DEBUG_l_FLAG 0x00000004 /* 4 */
3516#define DEBUG_t_FLAG 0x00000008 /* 8 */
3517#define DEBUG_o_FLAG 0x00000010 /* 16 */
3518#define DEBUG_c_FLAG 0x00000020 /* 32 */
3519#define DEBUG_P_FLAG 0x00000040 /* 64 */
3520#define DEBUG_m_FLAG 0x00000080 /* 128 */
3521#define DEBUG_f_FLAG 0x00000100 /* 256 */
3522#define DEBUG_r_FLAG 0x00000200 /* 512 */
3523#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3524#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3525/* U is reserved for Unofficial, exploratory hacking */
3526#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3527#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3528#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3529#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3530#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3531#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3532#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3533#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3534#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3535#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3536#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3537#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3538#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3539
3540#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3541#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3542 that something was done? */
aea4f609 3543
bd16a5f0
IZ
3544# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3545# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3546# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3547# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3548# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3549# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3550# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3551# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3552# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3553# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3554# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3555# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3556# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3557# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3558# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3559# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3560# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3561# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3562# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3563# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3564# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3565# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3566# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3567# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3568# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3569# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3570
3967c732 3571#ifdef DEBUGGING
aea4f609 3572
bd16a5f0
IZ
3573# define DEBUG_p_TEST DEBUG_p_TEST_
3574# define DEBUG_s_TEST DEBUG_s_TEST_
3575# define DEBUG_l_TEST DEBUG_l_TEST_
3576# define DEBUG_t_TEST DEBUG_t_TEST_
3577# define DEBUG_o_TEST DEBUG_o_TEST_
3578# define DEBUG_c_TEST DEBUG_c_TEST_
3579# define DEBUG_P_TEST DEBUG_P_TEST_
3580# define DEBUG_m_TEST DEBUG_m_TEST_
3581# define DEBUG_f_TEST DEBUG_f_TEST_
3582# define DEBUG_r_TEST DEBUG_r_TEST_
3583# define DEBUG_x_TEST DEBUG_x_TEST_
3584# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3585# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3586# define DEBUG_H_TEST DEBUG_H_TEST_
3587# define DEBUG_X_TEST DEBUG_X_TEST_
3588# define DEBUG_D_TEST DEBUG_D_TEST_
3589# define DEBUG_S_TEST DEBUG_S_TEST_
3590# define DEBUG_T_TEST DEBUG_T_TEST_
3591# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3592# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3593# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3594# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3595# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3596# define DEBUG_q_TEST DEBUG_q_TEST_
7949c6f5
JC
3597# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3598# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
aea4f609 3599
488b0c7a
JH
3600# define PERL_DEB(a) a
3601# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3602# define DEBUG_p(a) if (DEBUG_p_TEST) a
3603# define DEBUG_s(a) if (DEBUG_s_TEST) a
3604# define DEBUG_l(a) if (DEBUG_l_TEST) a
3605# define DEBUG_t(a) if (DEBUG_t_TEST) a
3606# define DEBUG_o(a) if (DEBUG_o_TEST) a
3607# define DEBUG_c(a) if (DEBUG_c_TEST) a
3608# define DEBUG_P(a) if (DEBUG_P_TEST) a
3609
969058bb
VK
3610 /* Temporarily turn off memory debugging in case the a
3611 * does memory allocation, either directly or indirectly. */
acfe0abc 3612# define DEBUG_m(a) \
0b250b9e 3613 STMT_START { \
aea4f609 3614 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3615 } STMT_END
aea4f609 3616
5f80b19c
AMS
3617# define DEBUG__(t, a) \
3618 STMT_START { \
3619 if (t) STMT_START {a;} STMT_END; \
3620 } STMT_END
3621
3622# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3623#ifndef PERL_EXT_RE_BUILD
5f80b19c 3624# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3625#else
3626# define DEBUG_r(a) STMT_START {a;} STMT_END
3627#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3628# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3629# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3630# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3631# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3632# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3633# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3634# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3635# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
aea4f609 3636
3db8f154 3637# define DEBUG_S(a)
aea4f609 3638
5f80b19c
AMS
3639# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3640# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3641# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3642# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3643# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3644# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3645
3646#else /* DEBUGGING */
3647
3648# define DEBUG_p_TEST (0)
3649# define DEBUG_s_TEST (0)
3650# define DEBUG_l_TEST (0)
3651# define DEBUG_t_TEST (0)
3652# define DEBUG_o_TEST (0)
3653# define DEBUG_c_TEST (0)
3654# define DEBUG_P_TEST (0)
3655# define DEBUG_m_TEST (0)
3656# define DEBUG_f_TEST (0)
3657# define DEBUG_r_TEST (0)
3658# define DEBUG_x_TEST (0)
3659# define DEBUG_u_TEST (0)
88d2d28a 3660# define DEBUG_U_TEST (0)
aea4f609
DM
3661# define DEBUG_H_TEST (0)
3662# define DEBUG_X_TEST (0)
3663# define DEBUG_D_TEST (0)
3664# define DEBUG_S_TEST (0)
3665# define DEBUG_T_TEST (0)
04932ac8 3666# define DEBUG_R_TEST (0)
1045810a 3667# define DEBUG_J_TEST (0)
d6721266 3668# define DEBUG_v_TEST (0)
46187eeb 3669# define DEBUG_C_TEST (0)
ecae49c0
NC
3670# define DEBUG_A_TEST (0)
3671# define DEBUG_q_TEST (0)
7949c6f5
JC
3672# define DEBUG_Xv_TEST (0)
3673# define DEBUG_Uv_TEST (0)
aea4f609 3674
488b0c7a
JH
3675# define PERL_DEB(a)
3676# define PERL_DEBUG(a)
aea4f609
DM
3677# define DEBUG_p(a)
3678# define DEBUG_s(a)
3679# define DEBUG_l(a)
3680# define DEBUG_t(a)
3681# define DEBUG_o(a)
3682# define DEBUG_c(a)
3683# define DEBUG_P(a)
3684# define DEBUG_m(a)
3685# define DEBUG_f(a)
3686# define DEBUG_r(a)
3687# define DEBUG_x(a)
3688# define DEBUG_u(a)
88d2d28a 3689# define DEBUG_U(a)
aea4f609
DM
3690# define DEBUG_H(a)
3691# define DEBUG_X(a)
3692# define DEBUG_D(a)
3693# define DEBUG_S(a)
3694# define DEBUG_T(a)
04932ac8 3695# define DEBUG_R(a)
d6721266 3696# define DEBUG_v(a)
46187eeb 3697# define DEBUG_C(a)
ecae49c0
NC
3698# define DEBUG_A(a)
3699# define DEBUG_q(a)
7949c6f5
JC
3700# define DEBUG_Xv(a)
3701# define DEBUG_Uv(a)
aea4f609
DM
3702#endif /* DEBUGGING */
3703
3704
b4ab917c
DM
3705#define DEBUG_SCOPE(where) \
3706 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3707 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3708
3709
3710
3711
d1be9408 3712/* These constants should be used in preference to raw characters
14befaf4
DM
3713 * when using magic. Note that some perl guts still assume
3714 * certain character properties of these constants, namely that
3715 * isUPPER() and toLOWER() may do useful mappings.
3716 *
3717 * Update the magic_names table in dump.c when adding/amending these
3718 */
3719
3720#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3721#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3722#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3723#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3724#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3725#define PERL_MAGIC_regdata 'D' /* Regex match position data
3726 (@+ and @- vars) */
3727#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3728#define PERL_MAGIC_env 'E' /* %ENV hash */
3729#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3730#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3731#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3732#define PERL_MAGIC_hints 'H' /* %^H hash */
3733#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3734#define PERL_MAGIC_isa 'I' /* @ISA array */
3735#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3736#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3737#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3738#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3739#define PERL_MAGIC_shared 'N' /* Shared between threads */
3740#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3741#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3742#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3743#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3744#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3745#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3746#define PERL_MAGIC_sig 'S' /* %SIG hash */
3747#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3748#define PERL_MAGIC_taint 't' /* Taintedness */
3749#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3750#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3751#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3752#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3753#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3754#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3755#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3756 smart parameter vivification */
14befaf4
DM
3757#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3758#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3759#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3760#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3761#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3762#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3763#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3764
de84dc04
NC
3765#if defined(DEBUGGING) && defined(I_ASSERT)
3766# include <assert.h>
3767#endif
3768
3769/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3770 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3771
de84dc04 3772#define Perl_assert(what) PERL_DEB( \
2b057284 3773 ((what) ? ((void) 0) : \
67eb4d30 3774 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3775 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3776 (void) 0)))
de84dc04
NC
3777
3778#ifndef assert
3779# define assert(what) Perl_assert(what)
a446a88f 3780#endif
8d063cd8 3781
450a55e4 3782struct ufuncs {
24f81a43
DM