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typo fixes for Unicode UCD
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
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37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
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44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
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47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
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53# define MULTIPLICITY
54# endif
55#endif
56
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57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
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63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
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69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
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75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
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81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
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88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
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94#if defined(__SYMBIAN32__)
95/* Symbian: need to work around the SDK features. *
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96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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105# define USE_REENTRANT_API
106#endif
107
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108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
af28e889 110/*
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111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
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113 * __bsdi__ for BSD/OS
114 */
6239f2da 115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
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121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
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134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
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146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
5aaab254 160#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
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161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
c5be433b 168#ifdef PERL_IMPLICIT_CONTEXT
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169# ifndef MULTIPLICITY
170# define MULTIPLICITY
c5be433b 171# endif
e8dda941 172# define tTHX PerlInterpreter*
5aaab254 173# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
9399a70c 175# define aTHXa(a) aTHX = (tTHX)a
27da23d5 176# ifdef PERL_GLOBAL_STRUCT
e8dda941 177# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 178# else
e8dda941 179# define dTHXa(a) pTHX = (tTHX)a
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180# endif
181# ifdef PERL_GLOBAL_STRUCT
182# define dTHX dVAR; pTHX = PERL_GET_THX
183# else
184# define dTHX pTHX = PERL_GET_THX
185# endif
c5be433b 186# define pTHX_ pTHX,
c5be433b 187# define aTHX_ aTHX,
4373e329 188# define pTHX_1 2
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189# define pTHX_2 3
190# define pTHX_3 4
191# define pTHX_4 5
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192# define pTHX_5 6
193# define pTHX_6 7
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194# define pTHX_7 8
195# define pTHX_8 9
196# define pTHX_9 10
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197# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
198# define PERL_TRACK_MEMPOOL
199# endif
200#else
201# undef PERL_TRACK_MEMPOOL
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202#endif
203
76e3520e 204#define STATIC static
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205
206#ifndef PERL_CORE
207/* Do not use these macros. They were part of PERL_OBJECT, which was an
208 * implementation of multiplicity using C++ objects. They have been left
209 * here solely for the sake of XS code which has incorrectly
210 * cargo-culted them.
211 */
76e3520e 212#define CPERLscope(x) x
565764a8 213#define CPERLarg void
76e3520e 214#define CPERLarg_
e3b8966e 215#define _CPERLarg
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216#define PERL_OBJECT_THIS
217#define _PERL_OBJECT_THIS
218#define PERL_OBJECT_THIS_
312caa8e 219#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 220#define MEMBER_TO_FPTR(name) name
16c91539 221#endif /* !PERL_CORE */
76e3520e 222
16c91539 223#define CALLRUNOPS PL_runops
f9f4320a 224
3ab4a224 225#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 226
16c91539 227#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 228#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 229 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
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230 (strbeg),(minend),(screamer),(data),(flags))
231#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 232 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
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233 (strend),(flags),(data))
234#define CALLREG_INTUIT_STRING(prog) \
16c91539 235 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 236
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237#define CALLREGFREE(prog) \
238 Perl_pregfree(aTHX_ (prog))
239
240#define CALLREGFREE_PVT(prog) \
16c91539 241 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 242
2fdbfb4d 243#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 244 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 245
2fdbfb4d 246#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 247 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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248
249#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 250 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 251
192b9cd1 252#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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254
255#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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257
258#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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260
261#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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263
264#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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266
267#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 268 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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269
270#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 271 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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272
273#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 274 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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275
276#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 277 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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278
279#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 280 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 281
49d7dfbc 282#define CALLREG_PACKAGE(rx) \
16c91539 283 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 284
00f254e2 285#if defined(USE_ITHREADS)
f9f4320a 286#define CALLREGDUPE(prog,param) \
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287 Perl_re_dup(aTHX_ (prog),(param))
288
289#define CALLREGDUPE_PVT(prog,param) \
16c91539 290 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 291 : (REGEXP *)NULL)
f9f4320a 292#endif
14dd3ad8 293
a20207d7 294
bcdf7404 295
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296
297
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298/*
299 * Because of backward compatibility reasons the PERL_UNUSED_DECL
300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
301 *
302 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 303 * which do not have an "inlined" way (like the gcc __attribute__) of
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304 * marking unused variables (they need e.g. a #pragma) and therefore
305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
307 *
308 */
1266ad8c 309
9969cdde 310#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 311# ifdef __cplusplus
5ba4cab2 312# define PERL_UNUSED_DECL
5b2bd0a5 313# else
5ba4cab2 314# define PERL_UNUSED_DECL __attribute__((unused))
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315# endif
316#endif
44dbb695 317
5b2bd0a5 318#ifndef PERL_UNUSED_DECL
34659ad4 319# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 320# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 321# else
5ba4cab2 322# define PERL_UNUSED_DECL
b79c357a 323# endif
5b2bd0a5 324#endif
00f254e2 325
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326/* gcc -Wall:
327 * for silencing unused variables that are actually used most of the time,
a0288114 328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 329 */
53c1dcc0 330#ifndef PERL_UNUSED_ARG
c99ffe5e 331# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 332# include <note.h>
53c1dcc0 333# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 334# else
53c1dcc0 335# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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336# endif
337#endif
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338#ifndef PERL_UNUSED_VAR
339# define PERL_UNUSED_VAR(x) ((void)x)
340#endif
ad73156c 341
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342#ifdef USE_ITHREADS
343# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
344#else
345# define PERL_UNUSED_CONTEXT
346#endif
347
6f207bd3 348#define NOOP /*EMPTY*/(void)0
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349/* cea2e8a9dd23747f accidentally lost the comment originally from the first
350 check in of thread.h, explaining why we need dNOOP at all: */
351/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
352/* Declaring a *function*, instead of a variable, ensures that we don't rely
353 on being able to suppress "unused" warnings. */
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354#ifdef __cplusplus
355#define dNOOP (void)0
356#else
64a8239e 357#define dNOOP extern int Perl___notused(void)
7db66e12 358#endif
71be2cbc 359
0cb96387 360#ifndef pTHX
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361/* Don't bother defining tTHX and sTHX; using them outside
362 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
363 */
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364# define pTHX void
365# define pTHX_
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366# define aTHX
367# define aTHX_
9399a70c 368# define aTHXa(a) NOOP
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369# define dTHXa(a) dNOOP
370# define dTHX dNOOP
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371# define pTHX_1 1
372# define pTHX_2 2
373# define pTHX_3 3
374# define pTHX_4 4
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375# define pTHX_5 5
376# define pTHX_6 6
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377# define pTHX_7 7
378# define pTHX_8 8
379# define pTHX_9 9
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380#endif
381
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382#ifndef dVAR
383# define dVAR dNOOP
384#endif
385
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386/* these are only defined for compatibility; should not be used internally */
387#if !defined(pTHXo) && !defined(PERL_CORE)
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388# define pTHXo pTHX
389# define pTHXo_ pTHX_
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390# define aTHXo aTHX
391# define aTHXo_ aTHX_
c5be433b 392# define dTHXo dTHX
71d280e3 393# define dTHXoa(x) dTHXa(x)
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394#endif
395
396#ifndef pTHXx
5aaab254 397# define pTHXx PerlInterpreter *my_perl
0cb96387 398# define pTHXx_ pTHXx,
0cb96387
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399# define aTHXx my_perl
400# define aTHXx_ aTHXx,
c5be433b 401# define dTHXx dTHX
22c35a8c 402#endif
71be2cbc 403
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404/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
405 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
406 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
407#ifdef PERL_IMPLICIT_SYS
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408# ifdef PERL_GLOBAL_STRUCT_PRIVATE
409# define dTHXs dVAR; dTHX
410# else
411# define dTHXs dTHX
412# endif
1de7c2ac 413#else
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414# ifdef PERL_GLOBAL_STRUCT_PRIVATE
415# define dTHXs dVAR
416# else
417# define dTHXs dNOOP
418# endif
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419#endif
420
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421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
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427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
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432#endif
433#ifndef PERL_XS_EXPORT_C
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434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
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439#endif
440
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441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
5aaab254 445struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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446# endif
447#endif
448
e5afc1ae 449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 450 * g++ allows them but seems to have problems with them
70aab261
RB
451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
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460#endif
461
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462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
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468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
5b692037 476# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
93189314 481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
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482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
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JH
491#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
492# define BYTEORDER 0x1234
79072805
LW
493#endif
494
495/* Overall memory policy? */
496#ifndef CONSERVATIVE
497# define LIBERAL 1
498#endif
499
8ada0baa
JH
500#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
501#define ASCIIish
502#else
503#undef ASCIIish
504#endif
505
79072805
LW
506/*
507 * The following contortions are brought to you on behalf of all the
508 * standards, semi-standards, de facto standards, not-so-de-facto standards
509 * of the world, as well as all the other botches anyone ever thought of.
510 * The basic theory is that if we work hard enough here, the rest of the
511 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
512 */
ac58e20f 513
ee0007ab 514/* define this once if either system, instead of cluttering up the src */
7c458fae 515#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
516#define DOSISH 1
517#endif
518
739a0b84 519#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
520# define STANDARD_C 1
521#endif
522
739a0b84 523#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
524# define DONT_DECLARE_STD 1
525#endif
526
352d5a3a 527#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 528# define VOL volatile
663a0e37 529#else
79072805 530# define VOL
663a0e37
LW
531#endif
532
284167a5
SM
533/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
534 * you get a perl without taint support, but doubtlessly with a lesser
535 * degree of support. Do not do so unless you know exactly what it means
536 * technically, have a good reason to do so, and know exactly how the
537 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
538 * a potential security risk due to flat out ignoring the security-relevant
539 * taint flags. This being said, a perl without taint support compiled in
540 * has marginal run-time performance benefits.
541 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
542 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
543 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
544 *
545 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 546 * voids your nonexistent warranty!
284167a5
SM
547 */
548#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
549# define NO_TAINT_SUPPORT 1
550#endif
551
552/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
553 * operations into no-ops for a very modest speed-up. Enable only if you
554 * know what you're doing: tests and CPAN modules' tests are bound to fail.
555 */
556#if NO_TAINT_SUPPORT
557# define TAINT NOOP
558# define TAINT_NOT NOOP
559# define TAINT_IF(c) NOOP
560# define TAINT_ENV() NOOP
561# define TAINT_PROPER(s) NOOP
562# define TAINT_set(s) NOOP
563# define TAINT_get 0
564# define TAINTING_get 0
565# define TAINTING_set(s) NOOP
566# define TAINT_WARN_get 0
567# define TAINT_WARN_set(s) NOOP
568#else
569# define TAINT (PL_tainted = TRUE)
570# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
571# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
572# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
573# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
574# define TAINT_set(s) (PL_tainted = (s))
575# define TAINT_get (PL_tainted)
576# define TAINTING_get (PL_tainting)
577# define TAINTING_set(s) (PL_tainting = (s))
578# define TAINT_WARN_get (PL_taint_warn)
579# define TAINT_WARN_set(s) (PL_taint_warn = (s))
580#endif
a687059c 581
20be6587
DM
582/* flags used internally only within pp_subst and pp_substcont */
583#ifdef PERL_CORE
584# define SUBST_TAINT_STR 1 /* string tainted */
585# define SUBST_TAINT_PAT 2 /* pattern tainted */
586# define SUBST_TAINT_REPL 4 /* replacement tainted */
587# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
588# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
589#endif
590
d460ef45 591/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
592 defines move there? If so, I could simplify this a lot. --AD 9/96.
593*/
594/* Process group stuff changed from traditional BSD to POSIX.
595 perlfunc.pod documents the traditional BSD-style syntax, so we'll
596 try to preserve that, if possible.
597*/
598#ifdef HAS_SETPGID
599# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 600#else
a6e633de
PP
601# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
602# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
603# else
604# ifdef HAS_SETPGRP2 /* DG/UX */
605# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
606# endif
607# endif
608#endif
609#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
610# define HAS_SETPGRP /* Well, effectively it does . . . */
611#endif
612
613/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
614 our life easier :-) so we'll try it.
615*/
616#ifdef HAS_GETPGID
617# define BSD_GETPGRP(pid) getpgid((pid))
618#else
619# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
620# define BSD_GETPGRP(pid) getpgrp((pid))
621# else
622# ifdef HAS_GETPGRP2 /* DG/UX */
623# define BSD_GETPGRP(pid) getpgrp2((pid))
624# endif
625# endif
626#endif
627#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
628# define HAS_GETPGRP /* Well, effectively it does . . . */
629#endif
630
d460ef45 631/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
632 have different behaviors, but perl.h used to define USE_BSDPGRP
633 (prior to 5.003_05) so some extension might depend on it.
634*/
635#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
636# ifndef USE_BSDPGRP
637# define USE_BSDPGRP
638# endif
663a0e37
LW
639#endif
640
486ec47a 641/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
642 pthread.h must be included before all other header files.
643*/
3db8f154 644#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
645# include <pthread.h>
646#endif
647
760ac839
LW
648#ifndef _TYPES_ /* If types.h defines this it's easy. */
649# ifndef major /* Does everyone's types.h define this? */
650# include <sys/types.h>
c07a80fd 651# endif
663a0e37
LW
652#endif
653
760ac839
LW
654#ifdef __cplusplus
655# ifndef I_STDARG
656# define I_STDARG 1
657# endif
658#endif
659
660#ifdef I_STDARG
661# include <stdarg.h>
662#else
663# ifdef I_VARARGS
664# include <varargs.h>
665# endif
666#endif
667
4633a7c4 668#ifdef USE_NEXT_CTYPE
0c30d9ec 669
092bebab
JH
670#if NX_CURRENT_COMPILER_RELEASE >= 500
671# include <bsd/ctypes.h>
672#else
673# if NX_CURRENT_COMPILER_RELEASE >= 400
674# include <objc/NXCType.h>
675# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
676# include <appkit/NXCType.h>
677# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
678#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
679
680#else /* !USE_NEXT_CTYPE */
fe14fcc3 681#include <ctype.h>
0c30d9ec 682#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
683
684#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
685#undef METHOD
a0d0e21e
LW
686#endif
687
12ae5dfc
JH
688#ifdef PERL_MICRO
689# define NO_LOCALE
690#endif
691
4633a7c4 692#ifdef I_LOCALE
36477c24 693# include <locale.h>
4633a7c4
LW
694#endif
695
36477c24
PP
696#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
697# define USE_LOCALE
698# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
699 && defined(HAS_STRXFRM)
700# define USE_LOCALE_COLLATE
701# endif
702# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
703# define USE_LOCALE_CTYPE
704# endif
705# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
706# define USE_LOCALE_NUMERIC
707# endif
708#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 709
fe14fcc3 710#include <setjmp.h>
79072805 711
a0d0e21e 712#ifdef I_SYS_PARAM
79072805
LW
713# ifdef PARAM_NEEDS_TYPES
714# include <sys/types.h>
715# endif
716# include <sys/param.h>
352d5a3a 717#endif
79072805 718
79072805 719/* Use all the "standard" definitions? */
a0d0e21e 720#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 721# include <stdlib.h>
ff68c719 722#endif
03a14243 723
3f270f98
JH
724/* If this causes problems, set i_unistd=undef in the hint file. */
725#ifdef I_UNISTD
726# include <unistd.h>
727#endif
728
de8ca8af
NT
729/* for WCOREDUMP */
730#ifdef I_SYS_WAIT
731# include <sys/wait.h>
732#endif
733
9969cdde 734#ifdef __SYMBIAN32__
27da23d5
JH
735# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
736#endif
737
7114a2d2 738#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 739EXTERN_C int syscall(int, ...);
2ef53570
JH
740#endif
741
7114a2d2 742#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 743EXTERN_C int usleep(unsigned int);
2ef53570
JH
744#endif
745
1109a392
MHM
746#ifdef PERL_CORE
747
748/* macros for correct constant construction */
749# if INTSIZE >= 2
750# define U16_CONST(x) ((U16)x##U)
751# else
752# define U16_CONST(x) ((U16)x##UL)
753# endif
754
755# if INTSIZE >= 4
756# define U32_CONST(x) ((U32)x##U)
757# else
758# define U32_CONST(x) ((U32)x##UL)
759# endif
760
761# ifdef HAS_QUAD
762# if INTSIZE >= 8
763# define U64_CONST(x) ((U64)x##U)
764# elif LONGSIZE >= 8
765# define U64_CONST(x) ((U64)x##UL)
766# elif QUADKIND == QUAD_IS_LONG_LONG
767# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
768# elif QUADKIND == QUAD_IS___INT64
769# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
770# else /* best guess we can make */
771# define U64_CONST(x) ((U64)x##UL)
772# endif
773# endif
774
775/* byte-swapping functions for big-/little-endian conversion */
776# define _swab_16_(x) ((U16)( \
777 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
778 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
779
780# define _swab_32_(x) ((U32)( \
781 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
782 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
783 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
784 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
785
786# ifdef HAS_QUAD
787# define _swab_64_(x) ((U64)( \
788 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
789 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
790 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
791 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
792 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
793 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
794 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
795 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
796# endif
797
9c17f24a
NC
798/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
799 at least on FreeBSD. YMMV, so experiment. */
800#ifndef PERL_ARENA_SIZE
801#define PERL_ARENA_SIZE 4080
802#endif
803
ccb2c8b8 804/* Maximum level of recursion */
2b9dff67
RGS
805#ifndef PERL_SUB_DEPTH_WARN
806#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
807#endif
808
1109a392
MHM
809#endif /* PERL_CORE */
810
bdf3085f
NC
811/* We no longer default to creating a new SV for GvSV.
812 Do this before embed. */
813#ifndef PERL_CREATE_GVSV
7459f06b
NC
814# ifndef PERL_DONT_CREATE_GVSV
815# define PERL_DONT_CREATE_GVSV
816# endif
bdf3085f
NC
817#endif
818
ca0c25f6
NC
819#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
820#define PERL_USES_PL_PIDSTATUS
821#endif
822
739a0b84 823#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
824#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
825#endif
826
c31fac66
GS
827#define MEM_SIZE Size_t
828
1936d2a7
NC
829/* Round all values passed to malloc up, by default to a multiple of
830 sizeof(size_t)
831*/
832#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
833#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
834#endif
835
f1200559
WH
836/* sv_grow() will expand strings by at least a certain percentage of
837 the previously *used* length to avoid excessive calls to realloc().
838 The default is 25% of the current length.
839*/
840#ifndef PERL_STRLEN_EXPAND_SHIFT
841# define PERL_STRLEN_EXPAND_SHIFT 2
842#endif
843
51371543
GS
844#if defined(STANDARD_C) && defined(I_STDDEF)
845# include <stddef.h>
846# define STRUCT_OFFSET(s,m) offsetof(s,m)
847#else
848# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
849#endif
850
9969cdde 851#ifndef __SYMBIAN32__
27da23d5
JH
852# if defined(I_STRING) || defined(__cplusplus)
853# include <string.h>
854# else
855# include <strings.h>
856# endif
51371543
GS
857#endif
858
55497cff
PP
859/* This comes after <stdlib.h> so we don't try to change the standard
860 * library prototypes; we'll use our own in proto.h instead. */
03a14243 861
4633a7c4 862#ifdef MYMALLOC
86058a2d 863# ifdef PERL_POLLUTE_MALLOC
ee13e175 864# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
865# define Perl_malloc malloc
866# define Perl_calloc calloc
867# define Perl_realloc realloc
868# define Perl_mfree free
ee13e175 869# endif
86058a2d
GS
870# else
871# define EMBEDMYMALLOC /* for compatibility */
872# endif
827e134a 873
651b9576
GS
874# define safemalloc Perl_malloc
875# define safecalloc Perl_calloc
876# define saferealloc Perl_realloc
877# define safefree Perl_mfree
22f7c9c9
JH
878# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
879 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
880 code; \
881 } STMT_END
882# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
883 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
884# define panic_write2(s) write(2, s, strlen(s))
885# define CHECK_MALLOC_TAINT(newval) \
886 CHECK_MALLOC_TOO_LATE_FOR_( \
887 if (newval) { \
888 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
889 exit(1); })
22f7c9c9 890# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 891 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
892 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
893 }} STMT_END;
f2517201
GS
894#else /* MYMALLOC */
895# define safemalloc safesysmalloc
896# define safecalloc safesyscalloc
897# define saferealloc safesysrealloc
898# define safefree safesysfree
22f7c9c9
JH
899# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
900# define CHECK_MALLOC_TAINT(newval) ((void)0)
901# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 902#endif /* MYMALLOC */
4633a7c4 903
fe13d51d 904/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 905#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
906#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
907#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
908#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
909
a0d0e21e
LW
910#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
911#define strchr index
912#define strrchr rindex
913#endif
914
16d20bd9
AD
915#ifdef I_MEMORY
916# include <memory.h>
917#endif
918
fe14fcc3 919#ifdef HAS_MEMCPY
85e6fe83 920# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 921# ifndef memcpy
20ce7b12 922 extern char * memcpy (char*, char*, int);
ee0007ab
LW
923# endif
924# endif
925#else
926# ifndef memcpy
927# ifdef HAS_BCOPY
928# define memcpy(d,s,l) bcopy(s,d,l)
929# else
930# define memcpy(d,s,l) my_bcopy(s,d,l)
931# endif
932# endif
933#endif /* HAS_MEMCPY */
fe14fcc3 934
ee0007ab 935#ifdef HAS_MEMSET
85e6fe83 936# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 937# ifndef memset
20ce7b12 938 extern char *memset (char*, int, int);
ee0007ab
LW
939# endif
940# endif
ee0007ab 941#else
12ae5dfc 942# undef memset
fc36a67e 943# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
944#endif /* HAS_MEMSET */
945
85e6fe83 946#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 947# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
948# define memmove(d,s,l) bcopy(s,d,l)
949# else
2304df62 950# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 951# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 952# else
79072805 953# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 954# endif
352d5a3a 955# endif
d9d8d8de 956#endif
ee0007ab 957
36477c24
PP
958#if defined(mips) && defined(ultrix) && !defined(__STDC__)
959# undef HAS_MEMCMP
960#endif
961
962#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 963# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 964# ifndef memcmp
20ce7b12 965 extern int memcmp (char*, char*, int);
ee0007ab
LW
966# endif
967# endif
36477c24 968# ifdef BUGGY_MSC
7e4e8c89 969# pragma function(memcmp)
36477c24 970# endif
ee0007ab
LW
971#else
972# ifndef memcmp
ecfc5424 973# define memcmp my_memcmp
352d5a3a 974# endif
36477c24 975#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 976
fc36a67e 977#ifndef memzero
c635e13b
PP
978# ifdef HAS_MEMSET
979# define memzero(d,l) memset(d,0,l)
79072805 980# else
c635e13b
PP
981# ifdef HAS_BZERO
982# define memzero(d,l) bzero(d,l)
79072805 983# else
fc36a67e 984# define memzero(d,l) my_bzero(d,l)
79072805
LW
985# endif
986# endif
d9d8d8de 987#endif
378cc40b 988
2f42fcb0 989#ifndef PERL_MICRO
0f27ced1
JH
990#ifndef memchr
991# ifndef HAS_MEMCHR
992# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
993# endif
994#endif
2f42fcb0 995#endif
0f27ced1 996
36477c24
PP
997#ifndef HAS_BCMP
998# ifndef bcmp
999# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1000# endif
36477c24 1001#endif /* !HAS_BCMP */
378cc40b 1002
ae986130 1003#ifdef I_NETINET_IN
79072805 1004# include <netinet/in.h>
ae986130
LW
1005#endif
1006
28e8609d
JH
1007#ifdef I_ARPA_INET
1008# include <arpa/inet.h>
1009#endif
1010
84902520
TB
1011#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1012/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1013 * (the neo-BSD seem to do this). */
1014# undef SF_APPEND
1015#endif
1016
1aef975c 1017#ifdef I_SYS_STAT
84902520 1018# include <sys/stat.h>
1aef975c 1019#endif
79072805 1020
287a962e
JD
1021/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1022 This definition should ideally go into win32/win32.h, but S_IFIFO is
1023 used later here in perl.h before win32/win32.h is being included. */
1024#if !defined(S_IFIFO) && defined(_S_IFIFO)
1025# define S_IFIFO _S_IFIFO
1026#endif
1027
cc3315ba 1028/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1029 like UTekV) are broken, sometimes giving false positives. Undefine
1030 them here and let the code below set them to proper values.
1031
1032 The ghs macro stands for GreenHills Software C-1.8.5 which
1033 is the C compiler for sysV88 and the various derivatives.
1034 This header file bug is corrected in gcc-2.5.8 and later versions.
1035 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1036
cc3315ba 1037#if defined(m88k) && defined(ghs)
79072805
LW
1038# undef S_ISDIR
1039# undef S_ISCHR
1040# undef S_ISBLK
1041# undef S_ISREG
1042# undef S_ISFIFO
1043# undef S_ISLNK
ee0007ab 1044#endif
135863df 1045
663a0e37
LW
1046#ifdef I_TIME
1047# include <time.h>
ffed7fef 1048#endif
663a0e37 1049
fe14fcc3 1050#ifdef I_SYS_TIME
85e6fe83 1051# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1052# define KERNEL
1053# endif
1054# include <sys/time.h>
85e6fe83 1055# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1056# undef KERNEL
1057# endif
a687059c 1058#endif
135863df 1059
55497cff 1060#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1061# include <sys/times.h>
d9d8d8de 1062#endif
8d063cd8 1063
fe14fcc3 1064#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1065# undef HAS_STRERROR
663a0e37
LW
1066#endif
1067
1068#include <errno.h>
1e743fda 1069
acfe0abc 1070#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1071# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1072#endif
1073
8cfab5ff 1074/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1075 * This is important for using IPv6.
8cfab5ff
JH
1076 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1077 * a bad idea since it breaks send() and recv(). */
1078#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1079# define _SOCKADDR_LEN
1080#endif
1081
da70cfc6 1082#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1083# include <sys/socket.h>
1084# if defined(USE_SOCKS) && defined(I_SOCKS)
1085# if !defined(INCLUDE_PROTOTYPES)
1086# define INCLUDE_PROTOTYPES /* for <socks.h> */
1087# define PERL_SOCKS_NEED_PROTOTYPES
1088# endif
1089# include <socks.h>
1090# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1091# undef INCLUDE_PROTOTYPES
1092# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1093# endif
d460ef45 1094# endif
1e743fda 1095# ifdef I_NETDB
2986a63f
JH
1096# ifdef NETWARE
1097# include<stdio.h>
1098# endif
1e743fda
JH
1099# include <netdb.h>
1100# endif
1101# ifndef ENOTSOCK
1102# ifdef I_NET_ERRNO
1103# include <net/errno.h>
1104# endif
1105# endif
1106#endif
1107
fa0a29af 1108/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1109 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1110 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1111#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1112# if defined(__THROW) && defined(__GLIBC__)
1113int sockatmark(int) __THROW;
1114# else
2ef53570 1115int sockatmark(int);
29820b6d 1116# endif
2ef53570
JH
1117#endif
1118
7e827271 1119#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
1120EXTERN_C int fchdir(int);
1121EXTERN_C int flock(int, int);
1122EXTERN_C int fseeko(FILE *, off_t, int);
1123EXTERN_C off_t ftello(FILE *);
1124#endif
1125
7e827271 1126#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1127EXTERN_C char *crypt(const char *, const char *);
7e827271 1128EXTERN_C char **environ;
1ccb7c8d
JH
1129#endif
1130
83a6ff2e 1131#if defined(__cplusplus)
944c4fda 1132# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1133EXTERN_C char **environ;
83a6ff2e 1134# elif defined(__CYGWIN__)
667e2948
SP
1135EXTERN_C char *crypt(const char *, const char *);
1136#endif
83a6ff2e 1137#endif
667e2948 1138
1e743fda
JH
1139#ifdef SETERRNO
1140# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1141#endif
f86702cc
PP
1142
1143#ifdef VMS
1144# define SETERRNO(errcode,vmserrcode) \
1145 STMT_START { \
1146 set_errno(errcode); \
1147 set_vaxc_errno(vmserrcode); \
1148 } STMT_END
4ee39169
CS
1149# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1150# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1151# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1152# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1153
93189314
JH
1154# define LIB_INVARG LIB$_INVARG
1155# define RMS_DIR RMS$_DIR
1156# define RMS_FAC RMS$_FAC
1157# define RMS_FEX RMS$_FEX
1158# define RMS_FNF RMS$_FNF
1159# define RMS_IFI RMS$_IFI
1160# define RMS_ISI RMS$_ISI
1161# define RMS_PRV RMS$_PRV
1162# define SS_ACCVIO SS$_ACCVIO
1163# define SS_DEVOFFLINE SS$_DEVOFFLINE
1164# define SS_IVCHAN SS$_IVCHAN
1165# define SS_NORMAL SS$_NORMAL
748a9306 1166#else
aba27d88 1167# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1168# define dSAVEDERRNO int saved_errno
1169# define dSAVE_ERRNO int saved_errno = errno
1170# define SAVE_ERRNO (saved_errno = errno)
1171# define RESTORE_ERRNO (errno = saved_errno)
1172
93189314
JH
1173# define LIB_INVARG 0
1174# define RMS_DIR 0
1175# define RMS_FAC 0
1176# define RMS_FEX 0
1177# define RMS_FNF 0
1178# define RMS_IFI 0
1179# define RMS_ISI 0
1180# define RMS_PRV 0
1181# define SS_ACCVIO 0
1182# define SS_DEVOFFLINE 0
1183# define SS_IVCHAN 0
1184# define SS_NORMAL 0
748a9306 1185#endif
ed6116ce 1186
f5fa9033 1187#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1188
1189#define CLEAR_ERRSV() STMT_START { \
1190 if (!GvSV(PL_errgv)) { \
1191 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1192 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1193 SvREFCNT_dec(GvSV(PL_errgv)); \
1194 GvSV(PL_errgv) = newSVpvs(""); \
1195 } else { \
1196 SV *const errsv = GvSV(PL_errgv); \
1197 sv_setpvs(errsv, ""); \
1198 if (SvMAGICAL(errsv)) { \
1199 mg_free(errsv); \
1200 } \
1201 SvPOK_only(errsv); \
1202 } \
1203 } STMT_END
1204
1205
414bf5ae
MHM
1206#ifdef PERL_CORE
1207# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1208# define DEFSV_set(sv) \
1209 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1210# define SAVE_DEFSV \
1211 ( \
1212 save_gp(PL_defgv, 0), \
1213 GvINTRO_off(PL_defgv), \
1214 SAVEGENERICSV(GvSV(PL_defgv)), \
1215 GvSV(PL_defgv) = NULL \
1216 )
414bf5ae
MHM
1217#else
1218# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1219# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1220# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1221#endif
38a03e6e 1222
98eae8f5
GS
1223#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1224
55497cff 1225#ifndef errno
5ff3f7a4
GS
1226 extern int errno; /* ANSI allows errno to be an lvalue expr.
1227 * For example in multithreaded environments
1228 * something like this might happen:
1229 * extern int *_errno(void);
1230 * #define errno (*_errno()) */
d9d8d8de 1231#endif
663a0e37 1232
2304df62 1233#ifdef HAS_STRERROR
2242159b 1234#ifndef DONT_DECLARE_STD
a0d0e21e 1235# ifdef VMS
20ce7b12 1236 char *strerror (int,...);
a0d0e21e 1237# else
20ce7b12 1238 char *strerror (int);
a0d0e21e 1239# endif
2242159b 1240#endif
2304df62
AD
1241# ifndef Strerror
1242# define Strerror strerror
1243# endif
1244#else
1245# ifdef HAS_SYS_ERRLIST
79072805
LW
1246 extern int sys_nerr;
1247 extern char *sys_errlist[];
2304df62
AD
1248# ifndef Strerror
1249# define Strerror(e) \
79072805 1250 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1251# endif
79072805 1252# endif
35c8bce7 1253#endif
663a0e37 1254
2304df62 1255#ifdef I_SYS_IOCTL
79072805
LW
1256# ifndef _IOCTL_
1257# include <sys/ioctl.h>
1258# endif
a687059c
LW
1259#endif
1260
ee0007ab 1261#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1262# ifdef HAS_SOCKETPAIR
1263# undef HAS_SOCKETPAIR
1264# endif
2304df62
AD
1265# ifdef I_NDBM
1266# undef I_NDBM
79072805 1267# endif
a687059c
LW
1268#endif
1269
02fc2eee
NC
1270#ifndef HAS_SOCKETPAIR
1271# ifdef HAS_SOCKET
1272# define socketpair Perl_my_socketpair
1273# endif
1274#endif
1275
a687059c 1276#if INTSIZE == 2
79072805
LW
1277# define htoni htons
1278# define ntohi ntohs
a687059c 1279#else
79072805
LW
1280# define htoni htonl
1281# define ntohi ntohl
a687059c
LW
1282#endif
1283
a0d0e21e 1284/* Configure already sets Direntry_t */
35c8bce7 1285#if defined(I_DIRENT)
663a0e37 1286# include <dirent.h>
8f1f23e8
W
1287 /* NeXT needs dirent + sys/dir.h */
1288# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1289# include <sys/dir.h>
1290# endif
ae986130 1291#else
fe14fcc3 1292# ifdef I_SYS_NDIR
79a0689e 1293# include <sys/ndir.h>
663a0e37 1294# else
fe14fcc3 1295# ifdef I_SYS_DIR
79a0689e
LW
1296# ifdef hp9000s500
1297# include <ndir.h> /* may be wrong in the future */
1298# else
1299# include <sys/dir.h>
1300# endif
663a0e37
LW
1301# endif
1302# endif
4633a7c4 1303#endif
a687059c 1304
12ae5dfc
JH
1305#ifdef PERL_MICRO
1306# ifndef DIR
1307# define DIR void
1308# endif
1309#endif
1310
352d5a3a
LW
1311#ifdef FPUTS_BOTCH
1312/* work around botch in SunOS 4.0.1 and 4.0.2 */
1313# ifndef fputs
79072805 1314# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1315# endif
1316#endif
1317
c623bd54
LW
1318/*
1319 * The following gobbledygook brought to you on behalf of __STDC__.
1320 * (I could just use #ifndef __STDC__, but this is more bulletproof
1321 * in the face of half-implementations.)
1322 */
1323
7114a2d2 1324#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1325#include <sys/mode.h>
1326#endif
1327
c623bd54
LW
1328#ifndef S_IFMT
1329# ifdef _S_IFMT
1330# define S_IFMT _S_IFMT
1331# else
1332# define S_IFMT 0170000
1333# endif
1334#endif
1335
1336#ifndef S_ISDIR
1337# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1338#endif
1339
1340#ifndef S_ISCHR
1341# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1342#endif
1343
1344#ifndef S_ISBLK
fe14fcc3
LW
1345# ifdef S_IFBLK
1346# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1347# else
1348# define S_ISBLK(m) (0)
1349# endif
c623bd54
LW
1350#endif
1351
1352#ifndef S_ISREG
1353# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1354#endif
1355
1356#ifndef S_ISFIFO
fe14fcc3
LW
1357# ifdef S_IFIFO
1358# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1359# else
1360# define S_ISFIFO(m) (0)
1361# endif
c623bd54
LW
1362#endif
1363
1364#ifndef S_ISLNK
1365# ifdef _S_ISLNK
1366# define S_ISLNK(m) _S_ISLNK(m)
1367# else
1368# ifdef _S_IFLNK
1369# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1370# else
1371# ifdef S_IFLNK
1372# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1373# else
1374# define S_ISLNK(m) (0)
1375# endif
1376# endif
1377# endif
1378#endif
1379
1380#ifndef S_ISSOCK
1381# ifdef _S_ISSOCK
1382# define S_ISSOCK(m) _S_ISSOCK(m)
1383# else
1384# ifdef _S_IFSOCK
1385# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1386# else
1387# ifdef S_IFSOCK
1388# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1389# else
1390# define S_ISSOCK(m) (0)
1391# endif
1392# endif
1393# endif
1394#endif
1395
1396#ifndef S_IRUSR
1397# ifdef S_IREAD
1398# define S_IRUSR S_IREAD
1399# define S_IWUSR S_IWRITE
1400# define S_IXUSR S_IEXEC
1401# else
1402# define S_IRUSR 0400
1403# define S_IWUSR 0200
1404# define S_IXUSR 0100
1405# endif
fac7cdfc 1406#endif
1407
1408#ifndef S_IRGRP
1409# ifdef S_IRUSR
1410# define S_IRGRP (S_IRUSR>>3)
1411# define S_IWGRP (S_IWUSR>>3)
1412# define S_IXGRP (S_IXUSR>>3)
1413# else
1414# define S_IRGRP 0040
1415# define S_IWGRP 0020
1416# define S_IXGRP 0010
1417# endif
1418#endif
1419
1420#ifndef S_IROTH
1421# ifdef S_IRUSR
1422# define S_IROTH (S_IRUSR>>6)
1423# define S_IWOTH (S_IWUSR>>6)
1424# define S_IXOTH (S_IXUSR>>6)
1425# else
1426# define S_IROTH 0040
1427# define S_IWOTH 0020
1428# define S_IXOTH 0010
1429# endif
c623bd54
LW
1430#endif
1431
1432#ifndef S_ISUID
1433# define S_ISUID 04000
1434#endif
1435
1436#ifndef S_ISGID
1437# define S_ISGID 02000
1438#endif
1439
ca6e1c26
JH
1440#ifndef S_IRWXU
1441# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1442#endif
ca6e1c26
JH
1443
1444#ifndef S_IRWXG
1445# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1446#endif
ca6e1c26
JH
1447
1448#ifndef S_IRWXO
1449# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1450#endif
ca6e1c26 1451
b6c36746 1452/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1453 * which would get included through <sys/file.h >, but that is 3000
1454 * lines in the future. --jhi */
1455
b6c36746 1456#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1457# define S_IREAD S_IRUSR
1458#endif
1459
b6c36746 1460#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1461# define S_IWRITE S_IWUSR
1462#endif
1463
1464#ifndef S_IEXEC
1465# define S_IEXEC S_IXUSR
1466#endif
1467
79072805
LW
1468#ifdef ff_next
1469# undef ff_next
352d5a3a
LW
1470#endif
1471
a0d0e21e 1472#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1473# define SLOPPYDIVIDE
1474#endif
1475
748a9306
LW
1476#ifdef UV
1477#undef UV
1478#endif
1479
ce582cee
NC
1480/* For the times when you want the return value of sprintf, and you want it
1481 to be the length. Can't have a thread variable passed in, because C89 has
1482 no varargs macros.
1483*/
1484#ifdef SPRINTF_RETURNS_STRLEN
1485# define my_sprintf sprintf
1486#else
1487# define my_sprintf Perl_my_sprintf
1488#endif
1489
5b692037
JH
1490/*
1491 * If we have v?snprintf() and the C99 variadic macros, we can just
1492 * use just the v?snprintf(). It is nice to try to trap the buffer
1493 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1494 * gcc statement expressions, then use the function wrappers which try
1495 * to trap the overflow. If we can use the gcc statement expressions,
1496 * we can try that even with the version that uses the C99 variadic
1497 * macros.
5b692037
JH
1498 */
1499
1208b3dd
JH
1500/* Note that we do not check against snprintf()/vsnprintf() returning
1501 * negative values because that is non-standard behaviour and we use
1502 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1503 * that should be true only if the snprintf()/vsnprintf() are true
1504 * to the standard. */
1505
dfeee9b1 1506#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1507# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1508# 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 1509# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1510# else
1511# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1512# endif
1513#else
1514# define my_snprintf Perl_my_snprintf
1208b3dd 1515# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1516#endif
1517
dfeee9b1 1518#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1519# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1520# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1521# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1522# else
1523# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1524# endif
1525#else
1526# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1527# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1528#endif
d9fad198 1529
a6cc4119
SP
1530#ifdef HAS_STRLCAT
1531# define my_strlcat strlcat
1532#else
1533# define my_strlcat Perl_my_strlcat
1534#endif
1535
1536#ifdef HAS_STRLCPY
1537# define my_strlcpy strlcpy
1538#else
1539# define my_strlcpy Perl_my_strlcpy
1540#endif
1541
05f13f53 1542/*
27d4fb96
PP
1543 The IV type is supposed to be long enough to hold any integral
1544 value or a pointer.
1545 --Andy Dougherty August 1996
1546*/
1547
a22e52b9
JH
1548typedef IVTYPE IV;
1549typedef UVTYPE UV;
8175356b 1550
10cc9d2a 1551#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1552# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1553# define IV_MAX INT64_MAX
1554# define IV_MIN INT64_MIN
1555# define UV_MAX UINT64_MAX
cae7ae48
JH
1556# ifndef UINT64_MIN
1557# define UINT64_MIN 0
1558# endif
5ff3f7a4
GS
1559# define UV_MIN UINT64_MIN
1560# else
1561# define IV_MAX PERL_QUAD_MAX
1562# define IV_MIN PERL_QUAD_MIN
1563# define UV_MAX PERL_UQUAD_MAX
1564# define UV_MIN PERL_UQUAD_MIN
1565# endif
cf2093f6
JH
1566# define IV_IS_QUAD
1567# define UV_IS_QUAD
79072805 1568#else
8175356b 1569# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1570# define IV_MAX INT32_MAX
1571# define IV_MIN INT32_MIN
716026f9
DL
1572# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1573# define UV_MAX UINT32_MAX
1574# else
1575# define UV_MAX 4294967295U
1576# endif
cae7ae48
JH
1577# ifndef UINT32_MIN
1578# define UINT32_MIN 0
1579# endif
5ff3f7a4
GS
1580# define UV_MIN UINT32_MIN
1581# else
1582# define IV_MAX PERL_LONG_MAX
1583# define IV_MIN PERL_LONG_MIN
1584# define UV_MAX PERL_ULONG_MAX
1585# define UV_MIN PERL_ULONG_MIN
1586# endif
8175356b 1587# if IVSIZE == 8
cf2093f6
JH
1588# define IV_IS_QUAD
1589# define UV_IS_QUAD
de1c2614
JH
1590# ifndef HAS_QUAD
1591# define HAS_QUAD
1592# endif
cf2093f6
JH
1593# else
1594# undef IV_IS_QUAD
1595# undef UV_IS_QUAD
de1c2614 1596# undef HAS_QUAD
cf2093f6 1597# endif
79072805 1598#endif
d7d93a81 1599
1109a392
MHM
1600#ifndef HAS_QUAD
1601# undef PERL_NEED_MY_HTOLE64
1602# undef PERL_NEED_MY_LETOH64
1603# undef PERL_NEED_MY_HTOBE64
1604# undef PERL_NEED_MY_BETOH64
1605#endif
1606
cae7ae48 1607#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1608#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1609
28e5dec8 1610#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1611#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1612#endif
1613
d460ef45 1614/*
26bb67e2
JH
1615 * The macros INT2PTR and NUM2PTR are (despite their names)
1616 * bi-directional: they will convert int/float to or from pointers.
1617 * However the conversion to int/float are named explicitly:
1618 * PTR2IV, PTR2UV, PTR2NV.
1619 *
1620 * For int conversions we do not need two casts if pointers are
1621 * the same size as IV and UV. Otherwise we need an explicit
1622 * cast (PTRV) to avoid compiler warnings.
1623 */
56431972
RB
1624#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1625# define PTRV UV
1626# define INT2PTR(any,d) (any)(d)
1627#else
d460ef45 1628# if PTRSIZE == LONGSIZE
56431972 1629# define PTRV unsigned long
e91e3b10 1630# define PTR2ul(p) (unsigned long)(p)
42718184 1631# else
56431972 1632# define PTRV unsigned
42718184 1633# endif
e91e3b10
RB
1634#endif
1635
1636#ifndef INT2PTR
56431972 1637# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1638#endif
e91e3b10
RB
1639
1640#ifndef PTR2ul
1641# define PTR2ul(p) INT2PTR(unsigned long,p)
1642#endif
1643
56431972
RB
1644#define NUM2PTR(any,d) (any)(PTRV)(d)
1645#define PTR2IV(p) INT2PTR(IV,p)
1646#define PTR2UV(p) INT2PTR(UV,p)
1647#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1648#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1649
8141890a
JH
1650/* According to strict ANSI C89 one cannot freely cast between
1651 * data pointers and function (code) pointers. There are at least
1652 * two ways around this. One (used below) is to do two casts,
1653 * first the other pointer to an (unsigned) integer, and then
1654 * the integer to the other pointer. The other way would be
1655 * to use unions to "overlay" the pointers. For an example of
1656 * the latter technique, see union dirpu in struct xpvio in sv.h.
1657 * The only feasible use is probably temporarily storing
1658 * function pointers in a data pointer (such as a void pointer). */
1659
e91e3b10
RB
1660#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1661#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1662
65202027 1663#ifdef USE_LONG_DOUBLE
1048ea30
JH
1664# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1665# define LONG_DOUBLE_EQUALS_DOUBLE
1666# endif
68d4903c 1667# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1668# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1669# endif
1670#endif
1671
2d4389e4
JH
1672#ifdef OVR_DBL_DIG
1673/* Use an overridden DBL_DIG */
1674# ifdef DBL_DIG
1675# undef DBL_DIG
1676# endif
1677# define DBL_DIG OVR_DBL_DIG
1678#else
1679/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1680 default value for printing floating point numbers in Gconvert
1681 (see config.h). (It also has other uses, such as figuring out if
1682 a given precision of printing can be done with a double instead of
1683 a long double - Allen).
2d4389e4
JH
1684*/
1685#ifdef I_LIMITS
1686#include <limits.h>
1687#endif
1688#ifdef I_FLOAT
1689#include <float.h>
1690#endif
1691#ifndef HAS_DBL_DIG
1692#define DBL_DIG 15 /* A guess that works lots of places */
1693#endif
1694#endif
1695
1696#ifdef OVR_LDBL_DIG
1697/* Use an overridden LDBL_DIG */
1698# ifdef LDBL_DIG
1699# undef LDBL_DIG
1700# endif
1701# define LDBL_DIG OVR_LDBL_DIG
1702#else
1703/* The following is all to get LDBL_DIG, in order to pick a nice
1704 default value for printing floating point numbers in Gconvert.
1705 (see config.h)
1706*/
68d4903c
JH
1707# ifdef I_LIMITS
1708# include <limits.h>
1709# endif
1710# ifdef I_FLOAT
1711# include <float.h>
1712# endif
1713# ifndef HAS_LDBL_DIG
1714# if LONG_DOUBLESIZE == 10
1715# define LDBL_DIG 18 /* assume IEEE */
1716# else
1717# if LONG_DOUBLESIZE == 12
1718# define LDBL_DIG 18 /* gcc? */
1719# else
1720# if LONG_DOUBLESIZE == 16
1721# define LDBL_DIG 33 /* assume IEEE */
1722# else
1723# if LONG_DOUBLESIZE == DOUBLESIZE
1724# define LDBL_DIG DBL_DIG /* bummer */
1725# endif
1726# endif
1727# endif
1728# endif
1729# endif
2d4389e4
JH
1730#endif
1731
20f6aaab
AS
1732/*
1733 * This is for making sure we have a good DBL_MAX value, if possible,
1734 * either for usage as NV_MAX or for usage in figuring out if we can
1735 * fit a given long double into a double, if bug-fixing makes it
1736 * necessary to do so. - Allen <allens@cpan.org>
1737 */
1738
205f51d8
AS
1739#ifdef I_LIMITS
1740# include <limits.h>
20f6aaab
AS
1741#endif
1742
205f51d8
AS
1743#ifdef I_VALUES
1744# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1745# include <values.h>
1746# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1747# define DBL_MAX MAXDOUBLE
1748# endif
1749# if defined(MINDOUBLE) && !defined(DBL_MIN)
1750# define DBL_MIN MINDOUBLE
1751# endif
1752# endif
1753#endif /* defined(I_VALUES) */
1754
a22e52b9 1755typedef NVTYPE NV;
8175356b 1756
792d8dab
JH
1757#ifdef I_IEEEFP
1758# include <ieeefp.h>
1759#endif
923fc586 1760
65202027 1761#ifdef USE_LONG_DOUBLE
923fc586
JH
1762# ifdef I_SUNMATH
1763# include <sunmath.h>
1764# endif
2d4389e4 1765# define NV_DIG LDBL_DIG
d6c14000
JH
1766# ifdef LDBL_MANT_DIG
1767# define NV_MANT_DIG LDBL_MANT_DIG
1768# endif
06fc1729
JH
1769# ifdef LDBL_MIN
1770# define NV_MIN LDBL_MIN
1771# endif
1772# ifdef LDBL_MAX
1773# define NV_MAX LDBL_MAX
1774# endif
1775# ifdef LDBL_MIN_10_EXP
1776# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1777# endif
1778# ifdef LDBL_MAX_10_EXP
1779# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1780# endif
1781# ifdef LDBL_EPSILON
1782# define NV_EPSILON LDBL_EPSILON
1783# endif
f4a14a62
JH
1784# ifdef LDBL_MAX
1785# define NV_MAX LDBL_MAX
20f6aaab 1786/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1787# else
1788# ifdef HUGE_VALL
1789# define NV_MAX HUGE_VALL
1790# else
1791# ifdef HUGE_VAL
1792# define NV_MAX ((NV)HUGE_VAL)
1793# endif
1794# endif
1795# endif
68d4903c 1796# ifdef HAS_SQRTL
68d4903c
JH
1797# define Perl_cos cosl
1798# define Perl_sin sinl
1799# define Perl_sqrt sqrtl
1800# define Perl_exp expl
1801# define Perl_log logl
1802# define Perl_atan2 atan2l
1803# define Perl_pow powl
1804# define Perl_floor floorl
1bbae031 1805# define Perl_ceil ceill
68d4903c
JH
1806# define Perl_fmod fmodl
1807# endif
a3540c92
JH
1808/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1809# ifdef HAS_MODFL
1810# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1811/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1812 prototype in <math.h> */
1813# ifndef HAS_MODFL_PROTO
a221a8a5 1814EXTERN_C long double modfl(long double, long double *);
51997bc3 1815# endif
03476e8e
JH
1816# else
1817# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1818 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1819# define Perl_modf(x,y) Perl_my_modfl(x,y)
1820# endif
a3540c92
JH
1821# endif
1822# ifdef HAS_FREXPL
dff3e0b8 1823# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1824# else
1825# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1826 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1827# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1828# endif
a3540c92 1829# endif
38dbb4c5 1830# ifndef Perl_isnan
758a5d79
JH
1831# ifdef HAS_ISNANL
1832# define Perl_isnan(x) isnanl(x)
1833# endif
1834# endif
1835# ifndef Perl_isinf
1836# ifdef HAS_FINITEL
1837# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1838# endif
1839# endif
65202027 1840#else
2d4389e4 1841# define NV_DIG DBL_DIG
d6c14000
JH
1842# ifdef DBL_MANT_DIG
1843# define NV_MANT_DIG DBL_MANT_DIG
1844# endif
06fc1729
JH
1845# ifdef DBL_MIN
1846# define NV_MIN DBL_MIN
1847# endif
1848# ifdef DBL_MAX
1849# define NV_MAX DBL_MAX
1850# endif
1851# ifdef DBL_MIN_10_EXP
1852# define NV_MIN_10_EXP DBL_MIN_10_EXP
1853# endif
1854# ifdef DBL_MAX_10_EXP
1855# define NV_MAX_10_EXP DBL_MAX_10_EXP
1856# endif
1857# ifdef DBL_EPSILON
1858# define NV_EPSILON DBL_EPSILON
1859# endif
205f51d8 1860# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1861# define NV_MAX DBL_MAX
1862# define NV_MIN DBL_MIN
1863# else
1864# ifdef HUGE_VAL
1865# define NV_MAX HUGE_VAL
1866# endif
1867# endif
65202027
DS
1868# define Perl_cos cos
1869# define Perl_sin sin
1870# define Perl_sqrt sqrt
1871# define Perl_exp exp
1872# define Perl_log log
1873# define Perl_atan2 atan2
1874# define Perl_pow pow
1875# define Perl_floor floor
1bbae031 1876# define Perl_ceil ceil
65202027 1877# define Perl_fmod fmod
a3540c92 1878# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1879# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1880#endif
1881
1882/* rumor has it that Win32 has _fpclass() */
1883
205f51d8
AS
1884/* SGI has fpclassl... but not with the same result values,
1885 * and it's via a typedef (not via #define), so will need to redo Configure
1886 * to use. Not worth the trouble, IMO, at least until the below is used
1887 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1888 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1889 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1890
758a5d79
JH
1891#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1892# ifdef I_IEEFP
1893# include <ieeefp.h>
1894# endif
1895# ifdef I_FP
1896# include <fp.h>
1897# endif
1898# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1899# define Perl_fp_class() fpclassl(x)
1900# else
1901# define Perl_fp_class() fpclass(x)
1902# endif
1903# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1904# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1905# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1906# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1907# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1908# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1909# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1910# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1911# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1912# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1913# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1914# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1915# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1916# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1917# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1918#endif
1919
7114a2d2 1920#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1921# include <math.h>
1922# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1923# include <fp_class.h>
1924# endif
1925# define Perl_fp_class(x) fp_class(x)
1926# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1927# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1928# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1929# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1930# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1931# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1932# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1933# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1934# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1935# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1936# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1937# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1938# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1939# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1940# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1941#endif
1942
1943#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1944# include <math.h>
1945# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1946# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1947# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1948# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1949# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1950# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1951#endif
1952
1953#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1954# include <math.h>
1955# ifndef _cplusplus
1956# define Perl_fp_class(x) class(x)
1957# else
1958# define Perl_fp_class(x) _class(x)
1959# endif
1960# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1961# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1962# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1963# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1964# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1965# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1966# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1967# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1968# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1969# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1970# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1971# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1972# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1973# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1974# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1975#endif
1976
1977/* rumor has it that Win32 has _isnan() */
1978
1979#ifndef Perl_isnan
a3540c92 1980# ifdef HAS_ISNAN
758a5d79
JH
1981# define Perl_isnan(x) isnan((NV)x)
1982# else
1983# ifdef Perl_fp_class_nan
1984# define Perl_isnan(x) Perl_fp_class_nan(x)
1985# else
1986# ifdef HAS_UNORDERED
1987# define Perl_isnan(x) unordered((x), 0.0)
1988# else
1989# define Perl_isnan(x) ((x)!=(x))
1990# endif
1991# endif
1992# endif
1993#endif
1994
ca6c63e1
JH
1995#ifdef UNDER_CE
1996int isnan(double d);
1997#endif
1998
758a5d79
JH
1999#ifndef Perl_isinf
2000# ifdef HAS_ISINF
2001# define Perl_isinf(x) isinf((NV)x)
a3540c92 2002# else
758a5d79
JH
2003# ifdef Perl_fp_class_inf
2004# define Perl_isinf(x) Perl_fp_class_inf(x)
2005# else
2006# define Perl_isinf(x) ((x)==NV_INF)
2007# endif
2008# endif
2009#endif
2010
2011#ifndef Perl_isfinite
2012# ifdef HAS_FINITE
2013# define Perl_isfinite(x) finite((NV)x)
2014# else
2015# ifdef HAS_ISFINITE
2016# define Perl_isfinite(x) isfinite(x)
2017# else
2018# ifdef Perl_fp_class_finite
2019# define Perl_isfinite(x) Perl_fp_class_finite(x)
2020# else
2021# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2022# endif
2023# endif
a3540c92 2024# endif
65202027
DS
2025#endif
2026
a36244b7
JH
2027/* The default is to use Perl's own atof() implementation (in numeric.c).
2028 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2029 * it is however best to use the native implementation of atof.
2030 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2031 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2032 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2033 * you may need to be using a different function than atof! */
a36244b7
JH
2034
2035#ifndef USE_PERL_ATOF
2036# ifndef _UNICOS
2037# define USE_PERL_ATOF
2038# endif
2039#else
2040# if USE_PERL_ATOF == 0
2041# undef USE_PERL_ATOF
2042# endif
2043#endif
2044
2045#ifdef USE_PERL_ATOF
2046# define Perl_atof(s) Perl_my_atof(s)
2047# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2048#else
2049# define Perl_atof(s) (NV)atof(s)
2050# define Perl_atof2(s, n) ((n) = atof(s))
2051#endif
cf2093f6 2052
d460ef45 2053/* Previously these definitions used hardcoded figures.
760ac839
LW
2054 * It is hoped these formula are more portable, although
2055 * no data one way or another is presently known to me.
2056 * The "PERL_" names are used because these calculated constants
2057 * do not meet the ANSI requirements for LONG_MAX, etc., which
2058 * need to be constants acceptable to #if - kja
2059 * define PERL_LONG_MAX 2147483647L
2060 * define PERL_LONG_MIN (-LONG_MAX - 1)
2061 * define PERL ULONG_MAX 4294967295L
2062 */
2063
2064#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2065# include <limits.h>
760ac839 2066#endif
205f51d8 2067/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2068 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2069
99abf803
PP
2070/*
2071 * Try to figure out max and min values for the integral types. THE CORRECT
2072 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2073 * following hacks are used if neither limits.h or values.h provide them:
2074 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2075 * for types < int: (unsigned TYPE)~(unsigned)0
2076 * The argument to ~ must be unsigned so that later signed->unsigned
2077 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2078 * and it must not be smaller than int because ~ does integral promotion.
2079 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2080 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2081 * The latter is a hack which happens to work on some machines but
2082 * does *not* catch any random system, or things like integer types
2083 * with NaN if that is possible.
2084 *
2085 * All of the types are explicitly cast to prevent accidental loss of
2086 * numeric range, and in the hope that they will be less likely to confuse
2087 * over-eager optimizers.
2088 *
2089 */
27d4fb96 2090
99abf803
PP
2091#define PERL_UCHAR_MIN ((unsigned char)0)
2092
2093#ifdef UCHAR_MAX
2094# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2095#else
99abf803
PP
2096# ifdef MAXUCHAR
2097# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2098# else
99abf803 2099# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2100# endif
2101#endif
d460ef45 2102
99abf803
PP
2103/*
2104 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2105 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2106 * depending on local options. Until Configure detects this (or at least
2107 * detects whether the "signed" keyword is available) the CHAR ranges
2108 * will not be included. UCHAR functions normally.
2109 * - kja
2110 */
27d4fb96 2111
99abf803
PP
2112#define PERL_USHORT_MIN ((unsigned short)0)
2113
2114#ifdef USHORT_MAX
2115# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2116#else
99abf803
PP
2117# ifdef MAXUSHORT
2118# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2119# else
ef2f54b0
CB
2120# ifdef USHRT_MAX
2121# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2122# else
2123# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2124# endif
27d4fb96
PP
2125# endif
2126#endif
2127
27d4fb96 2128#ifdef SHORT_MAX
99abf803 2129# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2130#else
2131# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2132# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2133# else
ef2f54b0
CB
2134# ifdef SHRT_MAX
2135# define PERL_SHORT_MAX ((short)SHRT_MAX)
2136# else
2137# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2138# endif
27d4fb96
PP
2139# endif
2140#endif
2141
2142#ifdef SHORT_MIN
99abf803 2143# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2144#else
2145# ifdef MINSHORT
99abf803 2146# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2147# else
ef2f54b0
CB
2148# ifdef SHRT_MIN
2149# define PERL_SHORT_MIN ((short)SHRT_MIN)
2150# else
2151# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2152# endif
27d4fb96
PP
2153# endif
2154#endif
2155
99abf803
PP
2156#ifdef UINT_MAX
2157# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2158#else
99abf803
PP
2159# ifdef MAXUINT
2160# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2161# else
99abf803 2162# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2163# endif
2164#endif
2165
99abf803 2166#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2167
2168#ifdef INT_MAX
99abf803 2169# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2170#else
2171# ifdef MAXINT /* Often used in <values.h> */
99abf803 2172# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2173# else
99abf803 2174# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2175# endif
2176#endif
2177
2178#ifdef INT_MIN
99abf803 2179# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2180#else
2181# ifdef MININT
99abf803 2182# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2183# else
2184# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2185# endif
2186#endif
2187
99abf803
PP
2188#ifdef ULONG_MAX
2189# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2190#else
99abf803
PP
2191# ifdef MAXULONG
2192# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2193# else
99abf803 2194# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2195# endif
2196#endif
2197
99abf803 2198#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2199
760ac839 2200#ifdef LONG_MAX
99abf803 2201# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2202#else
2203# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2204# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2205# else
99abf803 2206# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2207# endif
2208#endif
2209
2210#ifdef LONG_MIN
99abf803 2211# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2212#else
2213# ifdef MINLONG
99abf803 2214# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2215# else
27d4fb96 2216# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2217# endif
2218#endif
2219
d7d93a81 2220#ifdef UV_IS_QUAD
99abf803 2221
99abf803 2222# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2223# define PERL_UQUAD_MIN ((UV)0)
99abf803 2224# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2225# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2226
79072805
LW
2227#endif
2228
830247a4 2229struct RExC_state_t;
8e11feef 2230struct _reg_trie_data;
880b20b6 2231
ee0007ab 2232typedef MEM_SIZE STRLEN;
450a55e4 2233
598921a7
NC
2234#ifdef PERL_MAD
2235typedef struct token TOKEN;
2236typedef struct madprop MADPROP;
2237typedef struct nexttoken NEXTTOKE;
2238#endif
79072805
LW
2239typedef struct op OP;
2240typedef struct cop COP;
2241typedef struct unop UNOP;
2242typedef struct binop BINOP;
2243typedef struct listop LISTOP;
2244typedef struct logop LOGOP;
79072805
LW
2245typedef struct pmop PMOP;
2246typedef struct svop SVOP;
7934575e 2247typedef struct padop PADOP;
79072805 2248typedef struct pvop PVOP;
79072805
LW
2249typedef struct loop LOOP;
2250
7aef8e5b 2251#ifdef PERL_CORE
8be227ab
FC
2252typedef struct opslab OPSLAB;
2253typedef struct opslot OPSLOT;
2254#endif
2255
52db365a 2256typedef struct block_hooks BHK;
1830b3d9 2257typedef struct custom_op XOP;
52db365a 2258
cd1541b2
NC
2259typedef struct interpreter PerlInterpreter;
2260
d2b3f365 2261/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2262#if defined(__sgi)
d2b3f365 2263# define STRUCT_SV perl_sv
b8d3c5db
JH
2264#else
2265# define STRUCT_SV sv
2266#endif
2267typedef struct STRUCT_SV SV;
79072805
LW
2268typedef struct av AV;
2269typedef struct hv HV;
2270typedef struct cv CV;
d2f13c59 2271typedef struct p5rx REGEXP;
79072805 2272typedef struct gp GP;
0c30d9ec 2273typedef struct gv GV;
8990e307 2274typedef struct io IO;
c09156bb 2275typedef struct context PERL_CONTEXT;
79072805
LW
2276typedef struct block BLOCK;
2277
2278typedef struct magic MAGIC;
2279typedef struct xpv XPV;
2280typedef struct xpviv XPVIV;
ff68c719 2281typedef struct xpvuv XPVUV;
79072805
LW
2282typedef struct xpvnv XPVNV;
2283typedef struct xpvmg XPVMG;
2284typedef struct xpvlv XPVLV;
2285typedef struct xpvav XPVAV;
2286typedef struct xpvhv XPVHV;
2287typedef struct xpvgv XPVGV;
2288typedef struct xpvcv XPVCV;
2289typedef struct xpvbm XPVBM;
2290typedef struct xpvfm XPVFM;
8990e307 2291typedef struct xpvio XPVIO;
79072805
LW
2292typedef struct mgvtbl MGVTBL;
2293typedef union any ANY;
5f7fde29
GS
2294typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2295typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2296typedef struct clone_params CLONE_PARAMS;
2297
35e035cc 2298/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2299 * so hide the type. */
2300typedef struct padlist PADLIST;
67634234 2301typedef AV PAD;
35e035cc
FC
2302typedef AV PADNAMELIST;
2303typedef SV PADNAME;
67634234 2304
9f351b45
DM
2305/* XXX for 5.18, disable the COW by default
2306 * #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2307 * # define PERL_NEW_COPY_ON_WRITE
2308 * #endif
2309 */
07d01d6e 2310
db2c6cb3
FC
2311#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2312# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2313# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2314# else
2315# define PERL_ANY_COW
2316# endif
9f351b45
DM
2317#else
2318# define PERL_SAWAMPERSAND
db2c6cb3
FC
2319#endif
2320
378cc40b 2321#include "handy.h"
a0d0e21e 2322
6b8eaf93 2323#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2324# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2325# define USE_64_BIT_RAWIO /* implicit */
2326# endif
4564133c
JH
2327#endif
2328
6b8eaf93
JH
2329/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2330 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2331 * however, because operating systems like to do that themself. */
2332#ifndef FSEEKSIZE
2333# ifdef HAS_FSEEKO
2334# define FSEEKSIZE LSEEKSIZE
2335# else
2336# define FSEEKSIZE LONGSIZE
d460ef45 2337# endif
6b8eaf93
JH
2338#endif
2339
2340#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2341# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2342# define USE_64_BIT_STDIO /* implicit */
2343# endif
2344#endif
4564133c 2345
09458382 2346#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2347# ifdef HAS_OFF64_T
2348# undef Off_t
2349# define Off_t off64_t
2350# undef LSEEKSIZE
2351# define LSEEKSIZE 8
5ff3f7a4 2352# endif
d9b3e12d
JH
2353/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2354 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2355 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2356# if defined(USE_OPEN64)
2357# define open open64
5ff3f7a4 2358# endif
d9b3e12d
JH
2359# if defined(USE_LSEEK64)
2360# define lseek lseek64
6b8eaf93
JH
2361# else
2362# if defined(USE_LLSEEK)
2363# define lseek llseek
2364# endif
d9b3e12d
JH
2365# endif
2366# if defined(USE_STAT64)
2367# define stat stat64
2368# endif
2369# if defined(USE_FSTAT64)
2370# define fstat fstat64
2371# endif
2372# if defined(USE_LSTAT64)
2373# define lstat lstat64
2374# endif
2375# if defined(USE_FLOCK64)
2376# define flock flock64
2377# endif
2378# if defined(USE_LOCKF64)
2379# define lockf lockf64
2380# endif
2381# if defined(USE_FCNTL64)
2382# define fcntl fcntl64
2383# endif
2384# if defined(USE_TRUNCATE64)
2385# define truncate truncate64
2386# endif
2387# if defined(USE_FTRUNCATE64)
2388# define ftruncate ftruncate64
2389# endif
2390#endif
2391
2392#ifdef USE_64_BIT_STDIO
2393# ifdef HAS_FPOS64_T
2394# undef Fpos_t
2395# define Fpos_t fpos64_t
2396# endif
2397/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2398 * will trigger defines like the ones below. Some 64-bit environments,
2399 * however, do not. */
2400# if defined(USE_FOPEN64)
2401# define fopen fopen64
2402# endif
2403# if defined(USE_FSEEK64)
6b8eaf93 2404# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2405# endif
2406# if defined(USE_FTELL64)
6b8eaf93 2407# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2408# endif
2409# if defined(USE_FSETPOS64)
2410# define fsetpos fsetpos64
2411# endif
2412# if defined(USE_FGETPOS64)
2413# define fgetpos fgetpos64
2414# endif
2415# if defined(USE_TMPFILE64)
2416# define tmpfile tmpfile64
2417# endif
2418# if defined(USE_FREOPEN64)
2419# define freopen freopen64
5ff3f7a4
GS
2420# endif
2421#endif
2422
e37778c2 2423#if defined(OS2)
2c2d71f5
JH
2424# include "iperlsys.h"
2425#endif
2426
748a9306 2427#ifdef DOSISH
19848b3f
JH
2428# if defined(OS2)
2429# include "os2ish.h"
2430# else
2431# include "dosish.h"
2432# endif
2433# define ISHISH "dos"
2434#endif
2435
2436#if defined(VMS)
748a9306 2437# include "vmsish.h"
19848b3f
JH
2438# define ISHISH "vms"
2439#endif
2440
2441#if defined(PLAN9)
2442# include "./plan9/plan9ish.h"
2443# define ISHISH "plan9"
2444#endif
2445
19848b3f 2446#if defined(__VOS__)
196918b0
PG
2447# ifdef __GNUC__
2448# include "./vos/vosish.h"
2449# else
2450# include "vos/vosish.h"
2451# endif
19848b3f
JH
2452# define ISHISH "vos"
2453#endif
2454
9969cdde 2455#ifdef __SYMBIAN32__
27da23d5 2456# include "symbian/symbianish.h"
27da23d5
JH
2457# define ISHISH "symbian"
2458#endif
2459
19848b3f 2460
df00ff3b
IW
2461#if defined(__HAIKU__)
2462# include "haiku/haikuish.h"
2463# define ISHISH "haiku"
efca5cc6
JH
2464#endif
2465
19848b3f
JH
2466#ifndef ISHISH
2467# include "unixish.h"
2468# define ISHISH "unix"
13b6e58c
JH
2469#endif
2470
2946a158
JH
2471/* NSIG logic from Configure --> */
2472/* Strange style to avoid deeply-nested #if/#else/#endif */
2473#ifndef NSIG
2474# ifdef _NSIG
2475# define NSIG (_NSIG)
2476# endif
2477#endif
2478
2479#ifndef NSIG
2480# ifdef SIGMAX
2481# define NSIG (SIGMAX+1)
2482# endif
2483#endif
2484
2485#ifndef NSIG
2486# ifdef SIG_MAX
2487# define NSIG (SIG_MAX+1)
2488# endif
2489#endif
2490
2491#ifndef NSIG
2492# ifdef _SIG_MAX
2493# define NSIG (_SIG_MAX+1)
2494# endif
2495#endif
2496
2497#ifndef NSIG
2498# ifdef MAXSIG
2499# define NSIG (MAXSIG+1)
2500# endif
2501#endif
2502
2503#ifndef NSIG
2504# ifdef MAX_SIG
2505# define NSIG (MAX_SIG+1)
2506# endif
2507#endif
2508
2509#ifndef NSIG
2510# ifdef SIGARRAYSIZE
2511# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2512# endif
2513#endif
2514
2515#ifndef NSIG
2516# ifdef _sys_nsig
2517# define NSIG (_sys_nsig) /* Solaris 2.5 */
2518# endif
2519#endif
2520
2521/* Default to some arbitrary number that's big enough to get most
2522 of the common signals.
2523*/
2524#ifndef NSIG
2525# define NSIG 50
2526#endif
2527/* <-- NSIG logic from Configure */
2528
13b6e58c
JH
2529#ifndef NO_ENVIRON_ARRAY
2530# define USE_ENVIRON_ARRAY
2531#endif
32f822de 2532
c77b533b
JH
2533/*
2534 * initialise to avoid floating-point exceptions from overflow, etc
2535 */
2536#ifndef PERL_FPU_INIT
2537# ifdef HAS_FPSETMASK
2538# if HAS_FLOATINGPOINT_H
2539# include <floatingpoint.h>
2540# endif
ad3a8c67
NC
2541/* Some operating systems have this as a macro, which in turn expands to a comma
2542 expression, and the last sub-expression is something that gets calculated,
2543 and then they have the gall to warn that a value computed is not used. Hence
2544 cast to void. */
2545# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2546# else
2f42fcb0 2547# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2548# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2549# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2550# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2551# else
2552# define PERL_FPU_INIT
2f42fcb0 2553
7014c407 2554# endif
c77b533b
JH
2555# endif
2556#endif
b35112e7
CS
2557#ifndef PERL_FPU_PRE_EXEC
2558# define PERL_FPU_PRE_EXEC {
2559# define PERL_FPU_POST_EXEC }
2560#endif
c77b533b 2561
cbec8ebe
DM
2562#ifndef PERL_SYS_INIT3_BODY
2563# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2564#endif
2565
eb533572 2566/*
4ad9e498 2567=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2568Provides system-specific tune up of the C runtime environment necessary to
2569run Perl interpreters. This should be called only once, before creating
2570any Perl interpreters.
2571
4ad9e498 2572=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2573Provides system-specific tune up of the C runtime environment necessary to
2574run Perl interpreters. This should be called only once, before creating
2575any Perl interpreters.
2576
2577=for apidoc Am|void|PERL_SYS_TERM|
2578Provides system-specific clean up of the C runtime environment after
2579running Perl interpreters. This should be called only once, after
2580freeing any remaining Perl interpreters.
2581
2582=cut
2583 */
2584
cbec8ebe
DM
2585#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2586#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2587#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2588
be708cc0
JH
2589#ifndef PERL_WRITE_MSG_TO_CONSOLE
2590# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2591#endif
2592
0f31cffe
GS
2593#ifndef MAXPATHLEN
2594# ifdef PATH_MAX
b990c8b2
JH
2595# ifdef _POSIX_PATH_MAX
2596# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2597/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2598 * included the null byte or not. Later amendments of POSIX,
2599 * XPG4, the Austin Group, and the Single UNIX Specification
2600 * all explicitly include the null byte in the PATH_MAX.
2601 * Ditto for _POSIX_PATH_MAX. */
2602# define MAXPATHLEN PATH_MAX
b990c8b2 2603# else
09448d78 2604# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2605# endif
2606# else
2607# define MAXPATHLEN (PATH_MAX+1)
2608# endif
0f31cffe 2609# else
d552bce8 2610# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2611# endif
2612#endif
2613
c80263a8
SH
2614/* In case Configure was not used (we are using a "canned config"
2615 * such as Win32, or a cross-compilation setup, for example) try going
2616 * by the gcc major and minor versions. One useful URL is
2617 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2618 * but contrary to this information warn_unused_result seems
2619 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2620 * Also, when building extensions with an installed perl, this allows
2621 * the user to upgrade gcc and get the right attributes, rather than
2622 * relying on the list generated at Configure time. --AD
c80263a8
SH
2623 * Set these up now otherwise we get confused when some of the <*thread.h>
2624 * includes below indirectly pull in <perlio.h> (which needs to know if we
2625 * have HASATTRIBUTE_FORMAT).
2626 */
2627
4d7c7898 2628#ifndef PERL_MICRO
fc2007d4 2629#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2630# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2631# define HASATTRIBUTE_DEPRECATED
2632# endif
c80263a8
SH
2633# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2634# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2635# if defined __MINGW32__
2636# define PRINTF_FORMAT_NULL_OK
2637# endif
c80263a8
SH
2638# endif
2639# if __GNUC__ >= 3 /* 3.0 -> */
2640# define HASATTRIBUTE_MALLOC
2641# endif
2642# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2643# define HASATTRIBUTE_NONNULL
2644# endif
2645# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2646# define HASATTRIBUTE_NORETURN
2647# endif
2648# if __GNUC__ >= 3 /* gcc 3.0 -> */
2649# define HASATTRIBUTE_PURE
2650# endif
42bf5550 2651# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2652# define HASATTRIBUTE_UNUSED
2653# endif
d324fe49
AD
2654# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2655# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2656# endif
c80263a8
SH
2657# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2658# define HASATTRIBUTE_WARN_UNUSED_RESULT
2659# endif
2660#endif
00f254e2 2661#endif /* #ifndef PERL_MICRO */
c80263a8 2662
3db8f154 2663/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2664 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2665 * this results in many functions being undeclared which bothers C++
2666 * May make sense to have threads after "*ish.h" anyway
2667 */
2668
3db8f154 2669#if defined(USE_ITHREADS)
2986a63f
JH
2670# ifdef NETWARE
2671# include <nw5thread.h>
2672# else
32f822de
GS
2673# ifdef WIN32
2674# include <win32thread.h>
2675# else
dd96f567
IZ
2676# ifdef OS2
2677# include "os2thread.h"
2678# else
7f3d1cf1 2679# ifdef I_MACH_CTHREADS
bdd66968 2680# include <mach/cthreads.h>
8f1f23e8 2681# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2682# define MUTEX_INIT_CALLS_MALLOC
2683# endif
7f3d1cf1
BH
2684typedef cthread_t perl_os_thread;
2685typedef mutex_t perl_mutex;
2686typedef condition_t perl_cond;
2687typedef void * perl_key;
2688# else /* Posix threads */
1f5ae88c
JH
2689# ifdef I_PTHREAD
2690# include <pthread.h>
2691# endif
7f3d1cf1
BH
2692typedef pthread_t perl_os_thread;
2693typedef pthread_mutex_t perl_mutex;
2694typedef pthread_cond_t perl_cond;
2695typedef pthread_key_t perl_key;
2696# endif /* I_MACH_CTHREADS */
dd96f567 2697# endif /* OS2 */
32f822de 2698# endif /* WIN32 */
ef4abe76 2699# endif /* NETWARE */
3db8f154 2700#endif /* USE_ITHREADS */
c5be433b 2701
66a93824 2702#if defined(WIN32)
1feb2720 2703# include "win32.h"
c5be433b
GS
2704#endif
2705
2986a63f
JH
2706#ifdef NETWARE
2707# include "netware.h"
2708#endif
2709
e5218da5 2710#define STATUS_UNIX PL_statusvalue
68dc0745 2711#ifdef VMS
6b88bc9c 2712# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2713/*
2714 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2715 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2716 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2717 * be updated also.
2718 */
2719# include <stsdef.h>
2720# include <ssdef.h>
2721/* Presume this because if VMS changes it, it will require a new
2722 * set of APIs for waiting on children for binary compatibility.
2723 */
2724# define child_offset_bits (8)
2725# ifndef C_FAC_POSIX
2726# define C_FAC_POSIX 0x35A000
2727# endif
2728
2729/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2730 * platform from the existing UNIX or Native status values.
2731 */
2732
37038d91 2733# define STATUS_EXIT \
7a7fd8e0
JM
2734 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2735 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2736
7a7fd8e0 2737
fb38d079
JM
2738/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2739 * exit code and shifts the UNIX value over the correct number of bits to
2740 * be a child status. Usually the number of bits is 8, but that could be
2741 * platform dependent. The NATIVE status code is presumed to have either
2742 * from a child process.
7a7fd8e0
JM
2743 */
2744
fb38d079
JM
2745/* This is complicated. The child processes return a true native VMS
2746 status which must be saved. But there is an assumption in Perl that
2747 the UNIX child status has some relationship to errno values, so
00f254e2 2748 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2749 In order to get the string translation correct, for the error, errno
2750 must be EVMSERR, but that generates a different text message
2751 than what the test programs are expecting. So an errno value must
2752 be derived from the native status value when an error occurs.
2753 That will hide the true native status message. With this version of
2754 perl, the true native child status can always be retrieved so that
2755 is not a problem. But in this case, Pl_statusvalue and errno may
2756 have different values in them.
2757 */
7a7fd8e0 2758
fb38d079 2759# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2760 STMT_START { \
2fbb330f
JM
2761 I32 evalue = (I32)n; \
2762 if (evalue == EVMSERR) { \
2763 PL_statusvalue_vms = vaxc$errno; \
2764 PL_statusvalue = evalue; \
7a7fd8e0 2765 } else { \
2fbb330f 2766 PL_statusvalue_vms = evalue; \
fb38d079 2767 if (evalue == -1) { \
3280af22 2768 PL_statusvalue = -1; \
7a7fd8e0
JM
2769 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2770 } else \
fb38d079 2771 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2772 set_vaxc_errno(evalue); \
fb38d079
JM
2773 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2774 set_errno(EVMSERR); \
2775 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2776 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2777 } \
68dc0745 2778 } STMT_END
7a7fd8e0 2779
68dc0745 2780# ifdef VMSISH_STATUS
e5218da5 2781# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2782# else
e5218da5 2783# define STATUS_CURRENT STATUS_UNIX
68dc0745 2784# endif
7a7fd8e0
JM
2785
2786 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2787 * the NATIVE status to an equivalent value. Can not be used to translate
2788 * exit code values as exit code values are not guaranteed to have any
2789 * relationship at all to errno values.
2790 * This is used when Perl is forcing errno to have a specific value.
2791 */
e5218da5 2792# define STATUS_UNIX_SET(n) \
68dc0745 2793 STMT_START { \
7a7fd8e0 2794 I32 evalue = (I32)n; \
0968cdad 2795 PL_statusvalue = evalue; \
3280af22 2796 if (PL_statusvalue != -1) { \
0968cdad
JM
2797 if (PL_statusvalue != EVMSERR) { \
2798 PL_statusvalue &= 0xFFFF; \
2799 if (MY_POSIX_EXIT) \
2800 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2801 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2802 } \
2803 else { \
2804 PL_statusvalue_vms = vaxc$errno; \
2805 } \
68dc0745 2806 } \
0968cdad
JM
2807 else PL_statusvalue_vms = SS$_ABORT; \
2808 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2809 } STMT_END
2810
2811 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2812 * the NATIVE error status based on it.
2813 *
2814 * When in the default mode to comply with the Perl VMS documentation,
2815 * 0 is a success and any other code sets the NATIVE status to a failure
2816 * code of SS$_ABORT.
fb38d079
JM
2817 *
2818 * In the new POSIX EXIT mode, native status will be set so that the
2819 * actual exit code will can be retrieved by the calling program or
2820 * shell.
2821 *
2822 * If the exit code is not clearly a UNIX parent or child exit status,
2823 * it will be passed through as a VMS status.
7a7fd8e0
JM
2824 */
2825
fb38d079 2826# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2827 STMT_START { \
2828 I32 evalue = (I32)n; \
2829 PL_statusvalue = evalue; \
e08e1e1d
JM
2830 if (MY_POSIX_EXIT) { \
2831 if (evalue <= 0xFF00) { \
2832 if (evalue > 0xFF) \
2833 evalue = (evalue >> child_offset_bits) & 0xFF; \
2834 PL_statusvalue_vms = \
2835 (C_FAC_POSIX | (evalue << 3 ) | \
2836 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2837 } else /* forgive them Perl, for they have sinned */ \
2838 PL_statusvalue_vms = evalue; \
2839 } else { \
2840 if (evalue == 0) \
2841 PL_statusvalue_vms = SS$_NORMAL; \
2842 else if (evalue <= 0xFF00) \
2843 PL_statusvalue_vms = SS$_ABORT; \
2844 else { /* forgive them Perl, for they have sinned */ \
2845 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2846 else PL_statusvalue_vms = vaxc$errno; \
2847 /* And obviously used a VMS status value instead of UNIX */ \
2848 PL_statusvalue = EVMSERR; \
2849 } \
2850 set_vaxc_errno(PL_statusvalue_vms); \
2851 } \
68dc0745 2852 } STMT_END
fb38d079 2853
e08e1e1d 2854
6ac6a52b
JM
2855 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2856 * and sets the NATIVE error status based on it. This special case
2857 * is needed to maintain compatibility with past VMS behavior.
2858 *
2859 * In the default mode on VMS, this number is passed through as
2860 * both the NATIVE and UNIX status. Which makes it different
2861 * that the STATUS_UNIX_EXIT_SET.
2862 *
2863 * In the new POSIX EXIT mode, native status will be set so that the
2864 * actual exit code will can be retrieved by the calling program or
2865 * shell.
2866 *
1a3aec58
JM
2867 * A POSIX exit code is from 0 to 255. If the exit code is higher
2868 * than this, it needs to be assumed that it is a VMS exit code and
2869 * passed through.
6ac6a52b
JM
2870 */
2871
2872# define STATUS_EXIT_SET(n) \
2873 STMT_START { \
2874 I32 evalue = (I32)n; \
2875 PL_statusvalue = evalue; \
2876 if (MY_POSIX_EXIT) \
1a3aec58
JM
2877 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2878 PL_statusvalue_vms = \
2879 (C_FAC_POSIX | (evalue << 3 ) | \
2880 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2881 else \
2882 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2883 set_vaxc_errno(PL_statusvalue_vms); \
2884 } STMT_END
2885
fb38d079
JM
2886
2887 /* This macro forces a success status */
7a7fd8e0
JM
2888# define STATUS_ALL_SUCCESS \
2889 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2890
2891 /* This macro forces a failure status */
7a7fd8e0
JM
2892# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2893 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2894 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2895
68dc0745 2896#else
e5218da5 2897# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2898# if defined(WCOREDUMP)
37038d91 2899# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2900 STMT_START { \
2901 PL_statusvalue_posix = (n); \
2902 if (PL_statusvalue_posix == -1) \
2903 PL_statusvalue = -1; \
2904 else { \
2905 PL_statusvalue = \
2906 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2907 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2908 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2909 } \
2910 } STMT_END
2911# elif defined(WIFEXITED)
37038d91 2912# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2913 STMT_START { \
2914 PL_statusvalue_posix = (n); \
2915 if (PL_statusvalue_posix == -1) \
2916 PL_statusvalue = -1; \
2917 else { \
2918 PL_statusvalue = \
2919 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2920 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2921 } \
2922 } STMT_END
2923# else
37038d91 2924# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2925 STMT_START { \
2926 PL_statusvalue_posix = (n); \
2927 if (PL_statusvalue_posix == -1) \
2928 PL_statusvalue = -1; \
2929 else { \
2930 PL_statusvalue = \
2931 PL_statusvalue_posix & 0xFFFF; \
2932 } \
2933 } STMT_END
2934# endif
2935# define STATUS_UNIX_SET(n) \
68dc0745 2936 STMT_START { \
3280af22
NIS
2937 PL_statusvalue = (n); \
2938 if (PL_statusvalue != -1) \
2939 PL_statusvalue &= 0xFFFF; \
68dc0745 2940 } STMT_END
7a7fd8e0 2941# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2942# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2943# define STATUS_CURRENT STATUS_UNIX
37038d91 2944# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2945# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2946# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2947#endif
2948
cc3604b1
GS
2949/* flags in PL_exit_flags for nature of exit() */
2950#define PERL_EXIT_EXPECTED 0x01
31d77e54 2951#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2952
b79b76e0 2953#ifndef PERL_CORE
a7cb1f99 2954/* format to use for version numbers in file/directory names */
273cf8d1 2955/* XXX move to Configure? */
b79b76e0
NC
2956/* This was only ever used for the current version, and that can be done at
2957 compile time, as PERL_FS_VERSION, so should we just delete it? */
2958# ifndef PERL_FS_VER_FMT
2959# define PERL_FS_VER_FMT "%d.%d.%d"
2960# endif
2961#endif
2962
2963#ifndef PERL_FS_VERSION
2964# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2965#endif
2966
45bc9206 2967/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2968 * performance issue, so we allow people to disable it. Also, if
2969 * we are using stdio, there are broken implementations of fflush(NULL)
2970 * out there, Solaris being the most prominent.
45bc9206
GS
2971 */
2972#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2973# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2974# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2975# else
2976# ifdef FFLUSH_ALL
2977# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2978# else
c5be433b 2979# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2980# endif
66fe083f 2981# endif
45bc9206
GS
2982#endif
2983
7766f137
GS
2984#ifndef PERL_WAIT_FOR_CHILDREN
2985# define PERL_WAIT_FOR_CHILDREN NOOP
2986#endif
2987
ba869deb 2988/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2989#ifndef PERL_SET_INTERP
2990# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2991#endif
2992
2993#ifndef PERL_GET_INTERP
2994# define PERL_GET_INTERP (PL_curinterp)
2995#endif
2996
54aff467 2997#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2998# ifdef MULTIPLICITY
ba869deb 2999# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3000# endif
ba869deb
GS
3001# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3002#endif
3003
00f254e2 3004/*
8896765a 3005 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3006 All that is required is that the perl source does not
00f254e2
KW
3007 use "%-p" or "%-<number>p" or "%<number>p" formats.
3008 These formats will still work in perl code.
486ec47a 3009 See comments in sv.c for further details.
8896765a 3010
8896765a 3011 Robin Barker 2005-07-14
f46d31f2 3012
00f254e2 3013 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3014*/
8896765a
RB
3015
3016#ifndef SVf_
63ce7bf0 3017# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3018#endif
3019
8896765a 3020#ifndef SVf
104abab4 3021# define SVf "-p"
d2560b70
RB
3022#endif
3023
014ead4b 3024#ifndef SVf32
8896765a 3025# define SVf32 SVf_(32)
014ead4b
RB
3026#endif
3027
3028#ifndef SVf256
8896765a
RB
3029# define SVf256 SVf_(256)
3030#endif
3031
be2597df
MHM
3032#define SVfARG(p) ((void*)(p))
3033
20023040
FC
3034#ifndef HEKf
3035# define HEKf "2p"
3036#endif
3037
b8fa5213
FC
3038/* Not ideal, but we cannot easily include a number in an already-numeric
3039 * format sequence. */
3040#ifndef HEKf256
3041# define HEKf256 "3p"
3042#endif
3043
20023040
FC
3044#define HEKfARG(p) ((void*)(p))
3045
f46d31f2 3046#ifdef PERL_CORE
486ec47a 3047/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3048# undef VDf
3049#else
3050# ifndef VDf
8896765a
RB
3051# define VDf "vd"
3052# endif
014ead4b 3053#endif
170cd9e9
NC
3054
3055#ifdef PERL_CORE
486ec47a 3056/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3057# undef UVf
3058#else
170cd9e9
NC
3059# ifndef UVf
3060# define UVf UVuf
3061# endif
d2560b70
RB
3062#endif
3063
fcdf39cf
RGS
3064#ifdef HASATTRIBUTE_DEPRECATED
3065# define __attribute__deprecated__ __attribute__((deprecated))
3066#endif
0dbb1585
AL
3067#ifdef HASATTRIBUTE_FORMAT
3068# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3069#endif
3070#ifdef HASATTRIBUTE_MALLOC
77785eea 3071# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3072#endif
0dbb1585 3073#ifdef HASATTRIBUTE_NONNULL
abb2c242 3074# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3075#endif
0dbb1585 3076#ifdef HASATTRIBUTE_NORETURN
abb2c242 3077# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3078#endif
0dbb1585 3079#ifdef HASATTRIBUTE_PURE
abb2c242 3080# define __attribute__pure__ __attribute__((pure))
f22be1b8 3081#endif
0dbb1585
AL
3082#ifdef HASATTRIBUTE_UNUSED
3083# define __attribute__unused__ __attribute__((unused))
3084#endif
3085#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3086# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3087#endif
3088
0dbb1585 3089/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3090#ifndef __attribute__deprecated__
3091# define __attribute__deprecated__
3092#endif
0dbb1585
AL
3093#ifndef __attribute__format__
3094# define __attribute__format__(x,y,z)
3095#endif
f22be1b8 3096#ifndef __attribute__malloc__
abb2c242 3097# define __attribute__malloc__
f22be1b8
JH
3098#endif
3099#ifndef __attribute__nonnull__
abb2c242 3100# define __attribute__nonnull__(a)
f22be1b8
JH
3101#endif
3102#ifndef __attribute__noreturn__
abb2c242 3103# define __attribute__noreturn__
f22be1b8
JH
3104#endif
3105#ifndef __attribute__pure__
abb2c242 3106# define __attribute__pure__
f22be1b8 3107#endif
0dbb1585
AL
3108#ifndef __attribute__unused__
3109# define __attribute__unused__
3110#endif
f22be1b8 3111#ifndef __attribute__warn_unused_result__
abb2c242
JH
3112# define __attribute__warn_unused_result__
3113#endif
3114
0dbb1585
AL
3115/* For functions that are marked as __attribute__noreturn__, it's not
3116 appropriate to call return. In either case, include the lint directive.
3117 */
3118#ifdef HASATTRIBUTE_NORETURN
118e2215 3119# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3120#else
118e2215 3121# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3122#endif
3123
cdfeb707
RB
3124/* Some OS warn on NULL format to printf */
3125#ifdef PRINTF_FORMAT_NULL_OK
3126# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3127#else
00f254e2 3128# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3129#endif
3130
635aebb7 3131#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3132# define EXPECT(expr,val) __builtin_expect(expr,val)
3133#else
3134# define EXPECT(expr,val) (expr)
3135#endif
6d5abc62
NC
3136#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3137#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3138#ifdef HAS_BUILTIN_CHOOSE_EXPR
3139/* placeholder */
3140#endif
b37c2d43 3141
3fc1aec6
PP
3142/* Some unistd.h's give a prototype for pause() even though
3143 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3144 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3145*/
3146#ifdef HAS_PAUSE
3147#define Pause pause
3148#else
3149#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3150#endif
3151
3152#ifndef IOCPARM_LEN
3153# ifdef IOCPARM_MASK
61f1c44b 3154 /* on BSDish systems we're safe */
748a9306
LW
3155# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3156# else
61f1c44b 3157# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3158 /* on Linux systems we're safe; except when we're not [perl #38223] */
3159# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3160# else
748a9306 3161 /* otherwise guess at what's safe */
61f1c44b
JVD
3162# define IOCPARM_LEN(x) 256
3163# endif
748a9306 3164# endif
a0d0e21e
LW
3165#endif
3166
1761cee5 3167#if defined(__CYGWIN__)
521e0776
GS
3168/* USEMYBINMODE
3169 * This symbol, if defined, indicates that the program should
16fe6d59 3170 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3171 * that a file is in "binary" mode -- that is, that no translation
3172 * of bytes occurs on read or write operations.
3173 */
36894f0b 3174# define USEMYBINMODE /**/
77a40698 3175# include <io.h> /* for setmode() prototype */
16fe6d59 3176# define my_binmode(fp, iotype, mode) \
77a40698 3177 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3178#endif
3179
88d10794
JH
3180#ifdef __CYGWIN__
3181void init_os_extras(void);
3182#endif
3183
cea2e8a9
GS
3184#ifdef UNION_ANY_DEFINITION
3185UNION_ANY_DEFINITION;
3186#else
3187union any {
3188 void* any_ptr;
3189 I32 any_i32;
3190 IV any_iv;
c6bf6a65 3191 UV any_uv;
cea2e8a9 3192 long any_long;
9febdf04 3193 bool any_bool;
c76ac1ee 3194 void (*any_dptr) (void*);
acfe0abc 3195 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3196};
3197#endif
3198
acfe0abc 3199typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3200
3201#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3202#define FILTER_DATA(idx) \
3203 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3204#define FILTER_ISREADER(idx) \
3205 (PL_parser && PL_parser->rsfp_filters \
3206 && idx >= AvFILLp(PL_parser->rsfp_filters))
3207#define PERL_FILTER_EXISTS(i) \
3208 (PL_parser && PL_parser->rsfp_filters \
3209 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3210
c5078cac
JH
3211#if defined(_AIX) && !defined(_AIX43)
3212#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3213/* We cannot include <crypt.h> to get the struct crypt_data
3214 * because of setkey prototype problems when threading */
3215typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3216 /* From OSF, Not needed in AIX
3217 char C[28], D[28];
3218 */
3219 char E[48];
3220 char KS[16][48];
3221 char block[66];
3222 char iobuf[16];
3223} CRYPTD;
3224#endif /* threading */
3225#endif /* AIX */
3226
e37778c2 3227#if !defined(OS2)
2c2d71f5
JH
3228# include "iperlsys.h"
3229#endif
504f80c1 3230
9c12f1e5 3231#ifdef __LIBCATAMOUNT__
00f254e2 3232#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3233#undef HAS_GROUP
3234#define FAKE_BIT_BUCKET
3235#endif
3236
d10dc2ae
JH
3237/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3238 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3239 * defined by Configure, despite their names being similar to the
3240 * other defines like USE_ITHREADS. Configure in fact knows nothing
3241 * about the randomised hashes. Therefore to enable/disable the hash
3242 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3243#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3244# define USE_HASH_SEED
504f80c1
JH
3245#endif
3246
598921a7
NC
3247/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3248 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3249 * it's not really needed.
3250 */
3251#if defined(WIN32)
3252# define YYTOKENTYPE
3253#endif
3254#include "perly.h"
3255
3256#ifdef PERL_MAD
3257struct nexttoken {
3258 YYSTYPE next_val; /* value of next token, if any */
3259 I32 next_type; /* type of next token */
3260 MADPROP *next_mad; /* everything else about that token */
3261};
3262#endif
3263
654eccd5
JD
3264/* macros to define bit-fields in structs. */
3265#ifndef PERL_BITFIELD8
3266# define PERL_BITFIELD8 unsigned
3267#endif
3268#ifndef PERL_BITFIELD16
3269# define PERL_BITFIELD16 unsigned
3270#endif
3271#ifndef PERL_BITFIELD32
3272# define PERL_BITFIELD32 unsigned
3273#endif
3274
79072805 3275#include "sv.h"
288b8c02 3276#include "regexp.h"
378cc40b 3277#include "util.h"
8d063cd8 3278#include "form.h"
79072805 3279#include "gv.h"
dd2155a4 3280#include "pad.h"
79072805 3281#include "cv.h"
abdd5c84 3282#include "opnames.h"
79072805 3283#include "op.h"
b3ca2e83 3284#include "hv.h"
79072805
LW
3285#include "cop.h"
3286#include "av.h"
79072805
LW
3287#include "mg.h"
3288#include "scope.h"
4438c4b7 3289#include "warnings.h"
a0ed51b3 3290#include "utf8.h"
8d063cd8 3291
0d7d409d
DM
3292/* these would be in doio.h if there was such a file */
3293#define my_stat() my_stat_flags(SV_GMAGIC)
3294#define my_lstat() my_lstat_flags(SV_GMAGIC)
3295
20f4945e 3296/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3297#undef _XPV_HEAD
3298#undef _XPVMG_HEAD
3299#undef _XPVCV_COMMON
7fae4e64
GS
3300
3301typedef struct _sublex_info SUBLEXINFO;
3302struct _sublex_info {
651b5b28
NC
3303 U8 super_state; /* lexer state to save */
3304 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3305 OP *sub_op; /* "lex_op" to use */
7cc34111 3306 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3307};
3308
199e78b7
DM
3309#include "parser.h"
3310
455ece5e 3311typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3312
2c2d71f5 3313struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3314struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3315
5f7fde29
GS
3316struct ptr_tbl_ent {
3317 struct ptr_tbl_ent* next;
53c1dcc0 3318 const void* oldval;
5f7fde29 3319 void* newval;
d18c6117
GS
3320};
3321
5f7fde29
GS
3322struct ptr_tbl {
3323 struct ptr_tbl_ent** tbl_ary;
3324 UV tbl_max;
3325 UV tbl_items;
db93c0c4
NC
3326 struct ptr_tbl_arena *tbl_arena;
3327 struct ptr_tbl_ent *tbl_arena_next;
3328 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3329};
3330
fe14fcc3
LW
3331#if defined(htonl) && !defined(HAS_HTONL)
3332#define HAS_HTONL
ae986130 3333#endif
fe14fcc3
LW
3334#if defined(htons) && !defined(HAS_HTONS)
3335#define HAS_HTONS
ae986130 3336#endif
fe14fcc3
LW
3337#if defined(ntohl) && !defined(HAS_NTOHL)
3338#define HAS_NTOHL
ae986130 3339#endif
fe14fcc3
LW
3340#if defined(ntohs) && !defined(HAS_NTOHS)
3341#define HAS_NTOHS
ae986130 3342#endif
fe14fcc3 3343#ifndef HAS_HTONL
fe14fcc3
LW
3344#define HAS_HTONS
3345#define HAS_HTONL
3346#define HAS_NTOHS
3347#define HAS_NTOHL
8e2d7c44
NC
3348# if (BYTEORDER & 0xffff) == 0x4321
3349/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3350 re-order their values. However, to behave identically to the alternative
3351 implementations, they should truncate to the correct size. */
3352# define ntohl(x) ((x)&0xFFFFFFFF)
3353# define htonl(x) ntohl(x)
3354# define ntohs(x) ((x)&0xFFFF)
3355# define htons(x) ntohs(x)
e4b03fed
NC
3356# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3357
3358/* Note that we can't straight out declare our own htonl and htons because
3359 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3360 to avoid the overhead of initialising the socket subsystem, but the headers
3361 that *declare* the various functions are still seen. If we declare our own
3362 htonl etc they will clash with the declarations in the Win32 headers. */
3363
3364PERL_STATIC_INLINE U32
3365my_swap32(const U32 x) {
3366 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3367 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3368}
3369
3370PERL_STATIC_INLINE U16
3371my_swap16(const U16 x) {
3372 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3373}
3374
3375# define htonl(x) my_swap32(x)
3376# define ntohl(x) my_swap32(x)
3377# define ntohs(x) my_swap16(x)
3378# define htons(x) my_swap16(x)
8e2d7c44 3379# else
691a44df
NC
3380# error "Unsupported byteorder"
3381/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3382 the error message. Please check the value of the macro BYTEORDER, as defined
3383 in config.h. The values of BYTEORDER we expect are
3384
3385 big endian little endian
3386 32 bit 0x4321 0x1234
3387 64 bit 0x87654321 0x12345678
3388
3389 If you have a system with a different byte order, please see
3390 pod/perlhack.pod for how to submit a patch to add supporting code.
3391*/
3392# endif
a687059c
LW
3393#endif
3394
988174c1
LW
3395/*
3396 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3397 * -DWS
3398 */
5ae72479 3399#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3400/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3401 re-order their values. However, to behave identically to the alternative
3402 implementations, they should truncate to the correct size. */
3403# define vtohl(x) ((x)&0xFFFFFFFF)
3404# define vtohs(x) ((x)&0xFFFF)
3405# define htovl(x) vtohl(x)
3406# define htovs(x) vtohs(x)
545872c5 3407#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3408# define vtohl(x) ((((x)&0xFF)<<24) \
3409 +(((x)>>24)&0xFF) \
3410 +(((x)&0x0000FF00)<<8) \
3411 +(((x)&0x00FF0000)>>8) )
3412# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3413# define htovl(x) vtohl(x)
3414# define htovs(x) vtohs(x)
545872c5
NC
3415#else
3416# error "Unsupported byteorder"
3417/* If you have need for current perl on PDP-11 or similar, and can help test
3418 that blead keeps working on a mixed-endian system, then see
3419 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3420#endif
988174c1 3421
3bb7c1b4
JH
3422/* *MAX Plus 1. A floating point value.
3423 Hopefully expressed in a way that dodgy floating point can't mess up.
3424 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3425 is added to it
3426 May find that some broken compiler will want the value cast to I32.
3427 [after the shift, as signed >> may not be as secure as unsigned >>]
3428*/
3429#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3430#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3431/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3432 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3433 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3434*/
3435#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3436
3bb7c1b4
JH
3437#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3438#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3439#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3440
3441/* This may look like unnecessary jumping through hoops, but converting
3442 out of range floating point values to integers *is* undefined behaviour,
3443 and it is starting to bite.
3444*/
3445#ifndef CAST_INLINE
65202027 3446#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3447#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3448#define I_V(what) (cast_iv((NV)(what)))
3449#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3450#else
3451#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3452 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3453 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3454#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3455 : ((n) < U32_MAX_P1 ? (U32) (n) \
3456 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3457#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3458 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3459 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3460#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3461 : ((n) < UV_MAX_P1 ? (UV) (n) \
3462 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3463#endif
3464
3465#define U_S(what) ((U16)U_32(what))
3466#define U_I(what) ((unsigned int)U_32(what))
3467#define U_L(what) U_32(what)
ed6116ce 3468
ed140128
AD
3469#ifdef HAS_SIGNBIT
3470# define Perl_signbit signbit
3471#endif
3472
2d4389e4
JH
3473/* These do not care about the fractional part, only about the range. */
3474#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3475#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3476
25da4f38
IZ
3477/* Used with UV/IV arguments: */
3478 /* XXXX: need to speed it up */
3479#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3480#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3481
352d5a3a
LW
3482#ifndef MAXSYSFD
3483# define MAXSYSFD 2
3484#endif
ee0007ab 3485
79072805 3486#ifndef __cplusplus
e37d7e38 3487#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3488Uid_t getuid (void);
3489Uid_t geteuid (void);
3490Gid_t getgid (void);
3491Gid_t getegid (void);
79072805 3492#endif
e1caacb4 3493#endif
8d063cd8 3494
0c30d9ec 3495#ifndef Perl_debug_log
bf49b057
GS
3496# define Perl_debug_log PerlIO_stderr()
3497#endif
3498
3499#ifndef Perl_error_log
3500# define Perl_error_log (PL_stderrgv \
6b78add2 3501 && isGV(PL_stderrgv) \
01bb7c6d 3502 && GvIOp(PL_stderrgv) \
42de951c 3503 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3504 ? IoOFP(GvIOp(PL_stderrgv)) \
3505 : PerlIO_stderr())
0c30d9ec 3506#endif
3967c732 3507
aea4f609
DM
3508
3509#define DEBUG_p_FLAG 0x00000001 /* 1 */
3510#define DEBUG_s_FLAG 0x00000002 /* 2 */
3511#define DEBUG_l_FLAG 0x00000004 /* 4 */
3512#define DEBUG_t_FLAG 0x00000008 /* 8 */
3513#define DEBUG_o_FLAG 0x00000010 /* 16 */
3514#define DEBUG_c_FLAG 0x00000020 /* 32 */
3515#define DEBUG_P_FLAG 0x00000040 /* 64 */
3516#define DEBUG_m_FLAG 0x00000080 /* 128 */
3517#define DEBUG_f_FLAG 0x00000100 /* 256 */
3518#define DEBUG_r_FLAG 0x00000200 /* 512 */
3519#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3520#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3521/* U is reserved for Unofficial, exploratory hacking */
3522#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3523#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3524#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3525#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3526#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3527#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3528#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3529#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3530#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3531#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3532#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3533#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3534#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3535#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3536#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3537
3538#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3539#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3540 that something was done? */
aea4f609 3541
bd16a5f0
IZ
3542# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3543# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3544# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3545# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3546# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3547# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3548# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3549# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3550# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3551# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3552# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3553# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3554# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3555# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3556# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3557# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3558# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3559# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3560# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3561# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3562# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3563# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3564# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3565# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3566# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3567# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_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_)
ad9e76a8 3570# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3571
3967c732 3572#ifdef DEBUGGING
aea4f609 3573
bd16a5f0
IZ
3574# define DEBUG_p_TEST DEBUG_p_TEST_
3575# define DEBUG_s_TEST DEBUG_s_TEST_
3576# define DEBUG_l_TEST DEBUG_l_TEST_
3577# define DEBUG_t_TEST DEBUG_t_TEST_
3578# define DEBUG_o_TEST DEBUG_o_TEST_
3579# define DEBUG_c_TEST DEBUG_c_TEST_
3580# define DEBUG_P_TEST DEBUG_P_TEST_
3581# define DEBUG_m_TEST DEBUG_m_TEST_
3582# define DEBUG_f_TEST DEBUG_f_TEST_
3583# define DEBUG_r_TEST DEBUG_r_TEST_
3584# define DEBUG_x_TEST DEBUG_x_TEST_
3585# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3586# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3587# define DEBUG_H_TEST DEBUG_H_TEST_
3588# define DEBUG_X_TEST DEBUG_X_TEST_
3589# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3590# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3591# define DEBUG_T_TEST DEBUG_T_TEST_
3592# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3593# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3594# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3595# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3596# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3597# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3598# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3599# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3600# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3601# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3602# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3603
488b0c7a
JH
3604# define PERL_DEB(a) a
3605# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3606# define DEBUG_p(a) if (DEBUG_p_TEST) a
3607# define DEBUG_s(a) if (DEBUG_s_TEST) a
3608# define DEBUG_l(a) if (DEBUG_l_TEST) a
3609# define DEBUG_t(a) if (DEBUG_t_TEST) a
3610# define DEBUG_o(a) if (DEBUG_o_TEST) a
3611# define DEBUG_c(a) if (DEBUG_c_TEST) a
3612# define DEBUG_P(a) if (DEBUG_P_TEST) a
3613
969058bb
VK
3614 /* Temporarily turn off memory debugging in case the a
3615 * does memory allocation, either directly or indirectly. */
acfe0abc 3616# define DEBUG_m(a) \
0b250b9e 3617 STMT_START { \
aea4f609 3618 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3619 } STMT_END
aea4f609 3620
5f80b19c
AMS
3621# define DEBUG__(t, a) \
3622 STMT_START { \
3623 if (t) STMT_START {a;} STMT_END; \
3624 } STMT_END
3625
3626# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3627#ifndef PERL_EXT_RE_BUILD
5f80b19c 3628# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3629#else
3630# define DEBUG_r(a) STMT_START {a;} STMT_END
3631#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3632# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3633# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3634# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3635# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3636# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3637# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3638# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3639# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3640# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3641
56967202 3642# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3643# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3644# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3645# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3646# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3647# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3648# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3649# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3650# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3651
3652#else /* DEBUGGING */
3653
3654# define DEBUG_p_TEST (0)
3655# define DEBUG_s_TEST (0)
3656# define DEBUG_l_TEST (0)
3657# define DEBUG_t_TEST (0)
3658# define DEBUG_o_TEST (0)
3659# define DEBUG_c_TEST (0)
3660# define DEBUG_P_TEST (0)
3661# define DEBUG_m_TEST (0)
3662# define DEBUG_f_TEST (0)
3663# define DEBUG_r_TEST (0)
3664# define DEBUG_x_TEST (0)
3665# define DEBUG_u_TEST (0)
88d2d28a 3666# define DEBUG_U_TEST (0)
aea4f609
DM
3667# define DEBUG_H_TEST (0)
3668# define DEBUG_X_TEST (0)
3669# define DEBUG_D_TEST (0)
56967202 3670# define DEBUG_S_TEST (0)
aea4f609 3671# define DEBUG_T_TEST (0)
04932ac8 3672# define DEBUG_R_TEST (0)
1045810a 3673# define DEBUG_J_TEST (0)
d6721266 3674# define DEBUG_v_TEST (0)
46187eeb 3675# define DEBUG_C_TEST (0)
ecae49c0
NC
3676# define DEBUG_A_TEST (0)
3677# define DEBUG_q_TEST (0)
d7c0d282 3678# define DEBUG_M_TEST (0)
cc8773c0 3679# define DEBUG_B_TEST (0)
7949c6f5
JC
3680# define DEBUG_Xv_TEST (0)
3681# define DEBUG_Uv_TEST (0)
ad9e76a8 3682# define DEBUG_Pv_TEST (0)
aea4f609 3683
488b0c7a
JH
3684# define PERL_DEB(a)
3685# define PERL_DEBUG(a)
aea4f609
DM
3686# define DEBUG_p(a)
3687# define DEBUG_s(a)
3688# define DEBUG_l(a)
3689# define DEBUG_t(a)
3690# define DEBUG_o(a)
3691# define DEBUG_c(a)
3692# define DEBUG_P(a)
3693# define DEBUG_m(a)
3694# define DEBUG_f(a)
3695# define DEBUG_r(a)
3696# define DEBUG_x(a)
3697# define DEBUG_u(a)
88d2d28a 3698# define DEBUG_U(a)
aea4f609
DM
3699# define DEBUG_H(a)
3700# define DEBUG_X(a)
3701# define DEBUG_D(a)
56967202 3702# define DEBUG_S(a)
aea4f609 3703# define DEBUG_T(a)
04932ac8 3704# define DEBUG_R(a)
d6721266 3705# define DEBUG_v(a)
46187eeb 3706# define DEBUG_C(a)
ecae49c0
NC
3707# define DEBUG_A(a)
3708# define DEBUG_q(a)
d7c0d282 3709# define DEBUG_M(a)
cc8773c0 3710# define DEBUG_B(a)
7949c6f5
JC
3711# define DEBUG_Xv(a)
3712# define DEBUG_Uv(a)
ad9e76a8 3713# define DEBUG_Pv(a)
aea4f609
DM
3714#endif /* DEBUGGING */
3715
3716
b4ab917c 3717#define DEBUG_SCOPE(where) \
d9f81b50 3718 DEBUG_l( \
1c98cc53
DM
3719 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3720 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3721 __FILE__, __LINE__));
b4ab917c 3722
de84dc04
NC
3723#if defined(DEBUGGING) && defined(I_ASSERT)
3724# include <assert.h>
3725#endif
3726
3727/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3728 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3729
de84dc04 3730#define Perl_assert(what) PERL_DEB( \
2b057284 3731 ((what) ? ((void) 0) : \
67eb4d30 3732 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3733 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3734 (void) 0)))
de84dc04
NC
3735