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Add C define to remove taint support from perl
[perl5.git] / perl.h
CommitLineData
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. */
a0fd4948 94#if defined(EPOC) || defined(__SYMBIAN32__)
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95/* EPOC/Symbian: need to work around the SDK features. *
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
7a89be66 160#define pVAR register 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*
5ba4cab2 173# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 174# define aTHX my_perl
27da23d5 175# ifdef PERL_GLOBAL_STRUCT
e8dda941 176# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 177# else
e8dda941 178# define dTHXa(a) pTHX = (tTHX)a
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179# endif
180# ifdef PERL_GLOBAL_STRUCT
181# define dTHX dVAR; pTHX = PERL_GET_THX
182# else
183# define dTHX pTHX = PERL_GET_THX
184# endif
c5be433b 185# define pTHX_ pTHX,
c5be433b 186# define aTHX_ aTHX,
4373e329 187# define pTHX_1 2
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188# define pTHX_2 3
189# define pTHX_3 4
190# define pTHX_4 5
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191# define pTHX_5 6
192# define pTHX_6 7
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193# define pTHX_7 8
194# define pTHX_8 9
195# define pTHX_9 10
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196# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
197# define PERL_TRACK_MEMPOOL
198# endif
199#else
200# undef PERL_TRACK_MEMPOOL
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201#endif
202
76e3520e 203#define STATIC static
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204
205#ifndef PERL_CORE
206/* Do not use these macros. They were part of PERL_OBJECT, which was an
207 * implementation of multiplicity using C++ objects. They have been left
208 * here solely for the sake of XS code which has incorrectly
209 * cargo-culted them.
210 */
76e3520e 211#define CPERLscope(x) x
565764a8 212#define CPERLarg void
76e3520e 213#define CPERLarg_
e3b8966e 214#define _CPERLarg
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215#define PERL_OBJECT_THIS
216#define _PERL_OBJECT_THIS
217#define PERL_OBJECT_THIS_
312caa8e 218#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 219#define MEMBER_TO_FPTR(name) name
16c91539 220#endif /* !PERL_CORE */
76e3520e 221
16c91539 222#define CALLRUNOPS PL_runops
f9f4320a 223
3ab4a224 224#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 225
16c91539 226#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 227#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 228 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
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229 (strbeg),(minend),(screamer),(data),(flags))
230#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 231 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
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232 (strend),(flags),(data))
233#define CALLREG_INTUIT_STRING(prog) \
16c91539 234 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 235
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236#define CALLREGFREE(prog) \
237 Perl_pregfree(aTHX_ (prog))
238
239#define CALLREGFREE_PVT(prog) \
16c91539 240 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 241
2fdbfb4d 242#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 244
2fdbfb4d 245#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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247
248#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 249 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 250
192b9cd1 251#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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253
254#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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256
257#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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259
260#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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262
263#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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265
266#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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268
269#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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271
272#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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274
275#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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277
278#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 280
49d7dfbc 281#define CALLREG_PACKAGE(rx) \
16c91539 282 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 283
00f254e2 284#if defined(USE_ITHREADS)
f9f4320a 285#define CALLREGDUPE(prog,param) \
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286 Perl_re_dup(aTHX_ (prog),(param))
287
288#define CALLREGDUPE_PVT(prog,param) \
16c91539 289 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 290 : (REGEXP *)NULL)
f9f4320a 291#endif
14dd3ad8 292
a20207d7 293
bcdf7404 294
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295
296
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297/*
298 * Because of backward compatibility reasons the PERL_UNUSED_DECL
299 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
300 *
301 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 302 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
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303 * marking unused variables (they need e.g. a #pragma) and therefore
304 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
305 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
306 *
307 */
1266ad8c 308
9969cdde 309#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 310# ifdef __cplusplus
5ba4cab2 311# define PERL_UNUSED_DECL
5b2bd0a5 312# else
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__((unused))
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314# endif
315#endif
44dbb695 316
5b2bd0a5 317#ifndef PERL_UNUSED_DECL
34659ad4 318# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 319# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 320# else
5ba4cab2 321# define PERL_UNUSED_DECL
b79c357a 322# endif
5b2bd0a5 323#endif
00f254e2 324
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325/* gcc -Wall:
326 * for silencing unused variables that are actually used most of the time,
a0288114 327 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 328 */
53c1dcc0 329#ifndef PERL_UNUSED_ARG
c99ffe5e 330# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 331# include <note.h>
53c1dcc0 332# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 333# else
53c1dcc0 334# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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335# endif
336#endif
53c1dcc0
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337#ifndef PERL_UNUSED_VAR
338# define PERL_UNUSED_VAR(x) ((void)x)
339#endif
ad73156c 340
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341#ifdef USE_ITHREADS
342# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
343#else
344# define PERL_UNUSED_CONTEXT
345#endif
346
6f207bd3 347#define NOOP /*EMPTY*/(void)0
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348/* cea2e8a9dd23747f accidentally lost the comment originally from the first
349 check in of thread.h, explaining why we need dNOOP at all: */
350/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
351/* Declaring a *function*, instead of a variable, ensures that we don't rely
352 on being able to suppress "unused" warnings. */
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353#ifdef __cplusplus
354#define dNOOP (void)0
355#else
64a8239e 356#define dNOOP extern int Perl___notused(void)
7db66e12 357#endif
71be2cbc 358
0cb96387 359#ifndef pTHX
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360/* Don't bother defining tTHX and sTHX; using them outside
361 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
362 */
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363# define pTHX void
364# define pTHX_
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365# define aTHX
366# define aTHX_
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367# define dTHXa(a) dNOOP
368# define dTHX dNOOP
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369# define pTHX_1 1
370# define pTHX_2 2
371# define pTHX_3 3
372# define pTHX_4 4
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373# define pTHX_5 5
374# define pTHX_6 6
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375# define pTHX_7 7
376# define pTHX_8 8
377# define pTHX_9 9
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378#endif
379
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380#ifndef dVAR
381# define dVAR dNOOP
382#endif
383
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384/* these are only defined for compatibility; should not be used internally */
385#if !defined(pTHXo) && !defined(PERL_CORE)
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386# define pTHXo pTHX
387# define pTHXo_ pTHX_
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388# define aTHXo aTHX
389# define aTHXo_ aTHX_
c5be433b 390# define dTHXo dTHX
71d280e3 391# define dTHXoa(x) dTHXa(x)
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392#endif
393
394#ifndef pTHXx
395# define pTHXx register PerlInterpreter *my_perl
396# define pTHXx_ pTHXx,
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397# define aTHXx my_perl
398# define aTHXx_ aTHXx,
c5be433b 399# define dTHXx dTHX
22c35a8c 400#endif
71be2cbc 401
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402/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
403 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
404 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
405#ifdef PERL_IMPLICIT_SYS
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406# ifdef PERL_GLOBAL_STRUCT_PRIVATE
407# define dTHXs dVAR; dTHX
408# else
409# define dTHXs dTHX
410# endif
1de7c2ac 411#else
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412# ifdef PERL_GLOBAL_STRUCT_PRIVATE
413# define dTHXs dVAR
414# else
415# define dTHXs dNOOP
416# endif
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417#endif
418
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419/* Some platforms require marking function declarations
420 * for them to be exportable. Used in perlio.h, proto.h
421 * is handled either by the makedef.pl or by defining the
422 * PERL_CALLCONV to be something special. See also the
423 * definition of XS() in XSUB.h. */
424#ifndef PERL_EXPORT_C
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425# ifdef __cplusplus
426# define PERL_EXPORT_C extern "C"
427# else
428# define PERL_EXPORT_C extern
429# endif
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430#endif
431#ifndef PERL_XS_EXPORT_C
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432# ifdef __cplusplus
433# define PERL_XS_EXPORT_C extern "C"
434# else
435# define PERL_XS_EXPORT_C
436# endif
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437#endif
438
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439#ifdef OP_IN_REGISTER
440# ifdef __GNUC__
441# define stringify_immed(s) #s
442# define stringify(s) stringify_immed(s)
d1ca3daa 443register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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MB
444# endif
445#endif
446
e5afc1ae 447/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 448 * g++ allows them but seems to have problems with them
70aab261
RB
449 * (insane errors ensue).
450 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
451 */
452#if defined(PERL_GCC_PEDANTIC) || \
453 (defined(__GNUC__) && defined(__cplusplus) && \
454 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 455# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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456# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
457# endif
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458#endif
459
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460#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
461# ifndef PERL_USE_GCC_BRACE_GROUPS
462# define PERL_USE_GCC_BRACE_GROUPS
463# endif
464#endif
465
728e2803
PP
466/*
467 * STMT_START { statements; } STMT_END;
468 * can be used as a single statement, as in
469 * if (x) STMT_START { ... } STMT_END; else ...
470 *
471 * Trying to select a version that gives no warnings...
472 */
473#if !(defined(STMT_START) && defined(STMT_END))
5b692037 474# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 475# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
476# define STMT_END )
477# else
478 /* Now which other defined()s do we need here ??? */
93189314 479# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
480# define STMT_START if (1)
481# define STMT_END else (void)0
482# else
483# define STMT_START do
484# define STMT_END while (0)
485# endif
486# endif
487#endif
488
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JH
489#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
490# define BYTEORDER 0x1234
79072805
LW
491#endif
492
493/* Overall memory policy? */
494#ifndef CONSERVATIVE
495# define LIBERAL 1
496#endif
497
8ada0baa
JH
498#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
499#define ASCIIish
500#else
501#undef ASCIIish
502#endif
503
79072805
LW
504/*
505 * The following contortions are brought to you on behalf of all the
506 * standards, semi-standards, de facto standards, not-so-de-facto standards
507 * of the world, as well as all the other botches anyone ever thought of.
508 * The basic theory is that if we work hard enough here, the rest of the
509 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
510 */
ac58e20f 511
ee0007ab 512/* define this once if either system, instead of cluttering up the src */
7c458fae 513#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
514#define DOSISH 1
515#endif
516
fb38d079 517#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
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LW
518# define STANDARD_C 1
519#endif
520
9969cdde 521#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
522# define DONT_DECLARE_STD 1
523#endif
524
352d5a3a 525#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 526# define VOL volatile
663a0e37 527#else
79072805 528# define VOL
663a0e37
LW
529#endif
530
284167a5
SM
531/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
532 * you get a perl without taint support, but doubtlessly with a lesser
533 * degree of support. Do not do so unless you know exactly what it means
534 * technically, have a good reason to do so, and know exactly how the
535 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
536 * a potential security risk due to flat out ignoring the security-relevant
537 * taint flags. This being said, a perl without taint support compiled in
538 * has marginal run-time performance benefits.
539 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
540 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
541 * silently ignores -t/-T instead of throwing an exception.
542 */
543#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
544# define NO_TAINT_SUPPORT 1
545#endif
546
547/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
548 * operations into no-ops for a very modest speed-up. Enable only if you
549 * know what you're doing: tests and CPAN modules' tests are bound to fail.
550 */
551#if NO_TAINT_SUPPORT
552# define TAINT NOOP
553# define TAINT_NOT NOOP
554# define TAINT_IF(c) NOOP
555# define TAINT_ENV() NOOP
556# define TAINT_PROPER(s) NOOP
557# define TAINT_set(s) NOOP
558# define TAINT_get 0
559# define TAINTING_get 0
560# define TAINTING_set(s) NOOP
561# define TAINT_WARN_get 0
562# define TAINT_WARN_set(s) NOOP
563#else
564# define TAINT (PL_tainted = TRUE)
565# define TAINT_NOT (PL_tainted = FALSE)
566# define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
567# define TAINT_ENV() if (PL_tainting) { taint_env(); }
568# define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
569# define TAINT_set(s) (PL_tainted = (s))
570# define TAINT_get (PL_tainted)
571# define TAINTING_get (PL_tainting)
572# define TAINTING_set(s) (PL_tainting = (s))
573# define TAINT_WARN_get (PL_taint_warn)
574# define TAINT_WARN_set(s) (PL_taint_warn = (s))
575#endif
a687059c 576
20be6587
DM
577/* flags used internally only within pp_subst and pp_substcont */
578#ifdef PERL_CORE
579# define SUBST_TAINT_STR 1 /* string tainted */
580# define SUBST_TAINT_PAT 2 /* pattern tainted */
581# define SUBST_TAINT_REPL 4 /* replacement tainted */
582# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
583# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
584#endif
585
d460ef45 586/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
587 defines move there? If so, I could simplify this a lot. --AD 9/96.
588*/
589/* Process group stuff changed from traditional BSD to POSIX.
590 perlfunc.pod documents the traditional BSD-style syntax, so we'll
591 try to preserve that, if possible.
592*/
593#ifdef HAS_SETPGID
594# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 595#else
a6e633de
PP
596# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
597# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
598# else
599# ifdef HAS_SETPGRP2 /* DG/UX */
600# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
601# endif
602# endif
603#endif
604#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
605# define HAS_SETPGRP /* Well, effectively it does . . . */
606#endif
607
608/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
609 our life easier :-) so we'll try it.
610*/
611#ifdef HAS_GETPGID
612# define BSD_GETPGRP(pid) getpgid((pid))
613#else
614# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
615# define BSD_GETPGRP(pid) getpgrp((pid))
616# else
617# ifdef HAS_GETPGRP2 /* DG/UX */
618# define BSD_GETPGRP(pid) getpgrp2((pid))
619# endif
620# endif
621#endif
622#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
623# define HAS_GETPGRP /* Well, effectively it does . . . */
624#endif
625
d460ef45 626/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
627 have different behaviors, but perl.h used to define USE_BSDPGRP
628 (prior to 5.003_05) so some extension might depend on it.
629*/
630#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
631# ifndef USE_BSDPGRP
632# define USE_BSDPGRP
633# endif
663a0e37
LW
634#endif
635
486ec47a 636/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
637 pthread.h must be included before all other header files.
638*/
3db8f154 639#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
640# include <pthread.h>
641#endif
642
760ac839
LW
643#ifndef _TYPES_ /* If types.h defines this it's easy. */
644# ifndef major /* Does everyone's types.h define this? */
645# include <sys/types.h>
c07a80fd 646# endif
663a0e37
LW
647#endif
648
760ac839
LW
649#ifdef __cplusplus
650# ifndef I_STDARG
651# define I_STDARG 1
652# endif
653#endif
654
655#ifdef I_STDARG
656# include <stdarg.h>
657#else
658# ifdef I_VARARGS
659# include <varargs.h>
660# endif
661#endif
662
4633a7c4 663#ifdef USE_NEXT_CTYPE
0c30d9ec 664
092bebab
JH
665#if NX_CURRENT_COMPILER_RELEASE >= 500
666# include <bsd/ctypes.h>
667#else
668# if NX_CURRENT_COMPILER_RELEASE >= 400
669# include <objc/NXCType.h>
670# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
671# include <appkit/NXCType.h>
672# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
673#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
674
675#else /* !USE_NEXT_CTYPE */
fe14fcc3 676#include <ctype.h>
0c30d9ec 677#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
678
679#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
680#undef METHOD
a0d0e21e
LW
681#endif
682
12ae5dfc
JH
683#ifdef PERL_MICRO
684# define NO_LOCALE
685#endif
686
4633a7c4 687#ifdef I_LOCALE
36477c24 688# include <locale.h>
4633a7c4
LW
689#endif
690
36477c24
PP
691#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
692# define USE_LOCALE
693# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
694 && defined(HAS_STRXFRM)
695# define USE_LOCALE_COLLATE
696# endif
697# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
698# define USE_LOCALE_CTYPE
699# endif
700# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
701# define USE_LOCALE_NUMERIC
702# endif
703#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 704
fe14fcc3 705#include <setjmp.h>
79072805 706
a0d0e21e 707#ifdef I_SYS_PARAM
79072805
LW
708# ifdef PARAM_NEEDS_TYPES
709# include <sys/types.h>
710# endif
711# include <sys/param.h>
352d5a3a 712#endif
79072805 713
79072805 714/* Use all the "standard" definitions? */
a0d0e21e 715#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 716# include <stdlib.h>
ff68c719 717#endif
03a14243 718
3f270f98
JH
719/* If this causes problems, set i_unistd=undef in the hint file. */
720#ifdef I_UNISTD
721# include <unistd.h>
722#endif
723
de8ca8af
NT
724/* for WCOREDUMP */
725#ifdef I_SYS_WAIT
726# include <sys/wait.h>
727#endif
728
9969cdde 729#ifdef __SYMBIAN32__
27da23d5
JH
730# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
731#endif
732
7114a2d2 733#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 734EXTERN_C int syscall(int, ...);
2ef53570
JH
735#endif
736
7114a2d2 737#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 738EXTERN_C int usleep(unsigned int);
2ef53570
JH
739#endif
740
9c12f1e5
RGS
741/* Funky places that do not have socket stuff. */
742#if defined(__LIBCATAMOUNT__)
743# define MYSWAP
744#endif
745
9a34ef1d
GS
746#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
747# define MYSWAP
748#endif
749
1109a392
MHM
750#ifdef PERL_CORE
751
752/* macros for correct constant construction */
753# if INTSIZE >= 2
754# define U16_CONST(x) ((U16)x##U)
755# else
756# define U16_CONST(x) ((U16)x##UL)
757# endif
758
759# if INTSIZE >= 4
760# define U32_CONST(x) ((U32)x##U)
761# else
762# define U32_CONST(x) ((U32)x##UL)
763# endif
764
765# ifdef HAS_QUAD
766# if INTSIZE >= 8
767# define U64_CONST(x) ((U64)x##U)
768# elif LONGSIZE >= 8
769# define U64_CONST(x) ((U64)x##UL)
770# elif QUADKIND == QUAD_IS_LONG_LONG
771# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
772# elif QUADKIND == QUAD_IS___INT64
773# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
774# else /* best guess we can make */
775# define U64_CONST(x) ((U64)x##UL)
776# endif
777# endif
778
779/* byte-swapping functions for big-/little-endian conversion */
780# define _swab_16_(x) ((U16)( \
781 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
782 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
783
784# define _swab_32_(x) ((U32)( \
785 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
786 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
787 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
788 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
789
790# ifdef HAS_QUAD
791# define _swab_64_(x) ((U64)( \
792 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
793 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
794 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
795 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
796 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
797 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
798 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
799 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
800# endif
801
802/*----------------------------------------------------------------------------*/
803# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
804/*----------------------------------------------------------------------------*/
805# define my_htole16(x) (x)
806# define my_letoh16(x) (x)
807# define my_htole32(x) (x)
808# define my_letoh32(x) (x)
809# define my_htobe16(x) _swab_16_(x)
810# define my_betoh16(x) _swab_16_(x)
811# define my_htobe32(x) _swab_32_(x)
812# define my_betoh32(x) _swab_32_(x)
813# ifdef HAS_QUAD
814# define my_htole64(x) (x)
815# define my_letoh64(x) (x)
816# define my_htobe64(x) _swab_64_(x)
817# define my_betoh64(x) _swab_64_(x)
818# endif
819# define my_htoles(x) (x)
820# define my_letohs(x) (x)
821# define my_htolei(x) (x)
822# define my_letohi(x) (x)
823# define my_htolel(x) (x)
824# define my_letohl(x) (x)
825# if SHORTSIZE == 1
826# define my_htobes(x) (x)
827# define my_betohs(x) (x)
828# elif SHORTSIZE == 2
829# define my_htobes(x) _swab_16_(x)
830# define my_betohs(x) _swab_16_(x)
831# elif SHORTSIZE == 4
832# define my_htobes(x) _swab_32_(x)
833# define my_betohs(x) _swab_32_(x)
834# elif SHORTSIZE == 8
835# define my_htobes(x) _swab_64_(x)
836# define my_betohs(x) _swab_64_(x)
837# else
838# define PERL_NEED_MY_HTOBES
839# define PERL_NEED_MY_BETOHS
840# endif
841# if INTSIZE == 1
842# define my_htobei(x) (x)
843# define my_betohi(x) (x)
844# elif INTSIZE == 2
845# define my_htobei(x) _swab_16_(x)
846# define my_betohi(x) _swab_16_(x)
847# elif INTSIZE == 4
848# define my_htobei(x) _swab_32_(x)
849# define my_betohi(x) _swab_32_(x)
850# elif INTSIZE == 8
851# define my_htobei(x) _swab_64_(x)
852# define my_betohi(x) _swab_64_(x)
853# else
854# define PERL_NEED_MY_HTOBEI
855# define PERL_NEED_MY_BETOHI
856# endif
857# if LONGSIZE == 1
858# define my_htobel(x) (x)
859# define my_betohl(x) (x)
860# elif LONGSIZE == 2
861# define my_htobel(x) _swab_16_(x)
862# define my_betohl(x) _swab_16_(x)
863# elif LONGSIZE == 4
864# define my_htobel(x) _swab_32_(x)
865# define my_betohl(x) _swab_32_(x)
866# elif LONGSIZE == 8
867# define my_htobel(x) _swab_64_(x)
868# define my_betohl(x) _swab_64_(x)
869# else
870# define PERL_NEED_MY_HTOBEL
871# define PERL_NEED_MY_BETOHL
872# endif
873# define my_htolen(p,n) NOOP
874# define my_letohn(p,n) NOOP
875# define my_htoben(p,n) my_swabn(p,n)
876# define my_betohn(p,n) my_swabn(p,n)
877/*----------------------------------------------------------------------------*/
878# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
879/*----------------------------------------------------------------------------*/
880# define my_htobe16(x) (x)
881# define my_betoh16(x) (x)
882# define my_htobe32(x) (x)
883# define my_betoh32(x) (x)
884# define my_htole16(x) _swab_16_(x)
885# define my_letoh16(x) _swab_16_(x)
886# define my_htole32(x) _swab_32_(x)
887# define my_letoh32(x) _swab_32_(x)
888# ifdef HAS_QUAD
889# define my_htobe64(x) (x)
890# define my_betoh64(x) (x)
891# define my_htole64(x) _swab_64_(x)
892# define my_letoh64(x) _swab_64_(x)
893# endif
894# define my_htobes(x) (x)
895# define my_betohs(x) (x)
896# define my_htobei(x) (x)
897# define my_betohi(x) (x)
898# define my_htobel(x) (x)
899# define my_betohl(x) (x)
900# if SHORTSIZE == 1
901# define my_htoles(x) (x)
902# define my_letohs(x) (x)
903# elif SHORTSIZE == 2
904# define my_htoles(x) _swab_16_(x)
905# define my_letohs(x) _swab_16_(x)
906# elif SHORTSIZE == 4
907# define my_htoles(x) _swab_32_(x)
908# define my_letohs(x) _swab_32_(x)
909# elif SHORTSIZE == 8
910# define my_htoles(x) _swab_64_(x)
911# define my_letohs(x) _swab_64_(x)
912# else
913# define PERL_NEED_MY_HTOLES
914# define PERL_NEED_MY_LETOHS
915# endif
916# if INTSIZE == 1
917# define my_htolei(x) (x)
918# define my_letohi(x) (x)
919# elif INTSIZE == 2
920# define my_htolei(x) _swab_16_(x)
921# define my_letohi(x) _swab_16_(x)
922# elif INTSIZE == 4
923# define my_htolei(x) _swab_32_(x)
924# define my_letohi(x) _swab_32_(x)
925# elif INTSIZE == 8
926# define my_htolei(x) _swab_64_(x)
927# define my_letohi(x) _swab_64_(x)
928# else
929# define PERL_NEED_MY_HTOLEI
930# define PERL_NEED_MY_LETOHI
931# endif
932# if LONGSIZE == 1
933# define my_htolel(x) (x)
934# define my_letohl(x) (x)
935# elif LONGSIZE == 2
936# define my_htolel(x) _swab_16_(x)
937# define my_letohl(x) _swab_16_(x)
938# elif LONGSIZE == 4
939# define my_htolel(x) _swab_32_(x)
940# define my_letohl(x) _swab_32_(x)
941# elif LONGSIZE == 8
942# define my_htolel(x) _swab_64_(x)
943# define my_letohl(x) _swab_64_(x)
944# else
945# define PERL_NEED_MY_HTOLEL
946# define PERL_NEED_MY_LETOHL
947# endif
948# define my_htolen(p,n) my_swabn(p,n)
949# define my_letohn(p,n) my_swabn(p,n)
950# define my_htoben(p,n) NOOP
951# define my_betohn(p,n) NOOP
952/*----------------------------------------------------------------------------*/
953# else /* all other byte-orders */
954/*----------------------------------------------------------------------------*/
955# define PERL_NEED_MY_HTOLE16
956# define PERL_NEED_MY_LETOH16
957# define PERL_NEED_MY_HTOBE16
958# define PERL_NEED_MY_BETOH16
959# define PERL_NEED_MY_HTOLE32
960# define PERL_NEED_MY_LETOH32
961# define PERL_NEED_MY_HTOBE32
962# define PERL_NEED_MY_BETOH32
963# ifdef HAS_QUAD
964# define PERL_NEED_MY_HTOLE64
965# define PERL_NEED_MY_LETOH64
966# define PERL_NEED_MY_HTOBE64
967# define PERL_NEED_MY_BETOH64
968# endif
969# define PERL_NEED_MY_HTOLES
970# define PERL_NEED_MY_LETOHS
971# define PERL_NEED_MY_HTOBES
972# define PERL_NEED_MY_BETOHS
973# define PERL_NEED_MY_HTOLEI
974# define PERL_NEED_MY_LETOHI
975# define PERL_NEED_MY_HTOBEI
976# define PERL_NEED_MY_BETOHI
977# define PERL_NEED_MY_HTOLEL
978# define PERL_NEED_MY_LETOHL
979# define PERL_NEED_MY_HTOBEL
980# define PERL_NEED_MY_BETOHL
981/*----------------------------------------------------------------------------*/
982# endif /* end of byte-order macros */
983/*----------------------------------------------------------------------------*/
984
9c17f24a
NC
985/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
986 at least on FreeBSD. YMMV, so experiment. */
987#ifndef PERL_ARENA_SIZE
988#define PERL_ARENA_SIZE 4080
989#endif
990
ccb2c8b8 991/* Maximum level of recursion */
2b9dff67
RGS
992#ifndef PERL_SUB_DEPTH_WARN
993#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
994#endif
995
1109a392
MHM
996#endif /* PERL_CORE */
997
bdf3085f
NC
998/* We no longer default to creating a new SV for GvSV.
999 Do this before embed. */
1000#ifndef PERL_CREATE_GVSV
7459f06b
NC
1001# ifndef PERL_DONT_CREATE_GVSV
1002# define PERL_DONT_CREATE_GVSV
1003# endif
bdf3085f
NC
1004#endif
1005
ca0c25f6
NC
1006#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
1007#define PERL_USES_PL_PIDSTATUS
1008#endif
1009
e37778c2 1010#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS
1011#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
1012#endif
1013
c31fac66
GS
1014#define MEM_SIZE Size_t
1015
1936d2a7
NC
1016/* Round all values passed to malloc up, by default to a multiple of
1017 sizeof(size_t)
1018*/
1019#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
1020#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
1021#endif
1022
f1200559
WH
1023/* sv_grow() will expand strings by at least a certain percentage of
1024 the previously *used* length to avoid excessive calls to realloc().
1025 The default is 25% of the current length.
1026*/
1027#ifndef PERL_STRLEN_EXPAND_SHIFT
1028# define PERL_STRLEN_EXPAND_SHIFT 2
1029#endif
1030
51371543
GS
1031#if defined(STANDARD_C) && defined(I_STDDEF)
1032# include <stddef.h>
1033# define STRUCT_OFFSET(s,m) offsetof(s,m)
1034#else
1035# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1036#endif
1037
9969cdde 1038#ifndef __SYMBIAN32__
27da23d5
JH
1039# if defined(I_STRING) || defined(__cplusplus)
1040# include <string.h>
1041# else
1042# include <strings.h>
1043# endif
51371543
GS
1044#endif
1045
55497cff
PP
1046/* This comes after <stdlib.h> so we don't try to change the standard
1047 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1048
4633a7c4 1049#ifdef MYMALLOC
86058a2d 1050# ifdef PERL_POLLUTE_MALLOC
ee13e175 1051# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
1052# define Perl_malloc malloc
1053# define Perl_calloc calloc
1054# define Perl_realloc realloc
1055# define Perl_mfree free
ee13e175 1056# endif
86058a2d
GS
1057# else
1058# define EMBEDMYMALLOC /* for compatibility */
1059# endif
827e134a 1060
651b9576
GS
1061# define safemalloc Perl_malloc
1062# define safecalloc Perl_calloc
1063# define saferealloc Perl_realloc
1064# define safefree Perl_mfree
22f7c9c9
JH
1065# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1066 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1067 code; \
1068 } STMT_END
1069# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1070 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1071# define panic_write2(s) write(2, s, strlen(s))
1072# define CHECK_MALLOC_TAINT(newval) \
1073 CHECK_MALLOC_TOO_LATE_FOR_( \
1074 if (newval) { \
1075 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1076 exit(1); })
22f7c9c9 1077# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1078 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1079 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1080 }} STMT_END;
f2517201
GS
1081#else /* MYMALLOC */
1082# define safemalloc safesysmalloc
1083# define safecalloc safesyscalloc
1084# define saferealloc safesysrealloc
1085# define safefree safesysfree
22f7c9c9
JH
1086# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1087# define CHECK_MALLOC_TAINT(newval) ((void)0)
1088# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1089#endif /* MYMALLOC */
4633a7c4 1090
fe13d51d 1091/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1092#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
1093#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1094#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1095#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1096
a0d0e21e
LW
1097#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1098#define strchr index
1099#define strrchr rindex
1100#endif
1101
16d20bd9
AD
1102#ifdef I_MEMORY
1103# include <memory.h>
1104#endif
1105
fe14fcc3 1106#ifdef HAS_MEMCPY
85e6fe83 1107# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1108# ifndef memcpy
20ce7b12 1109 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1110# endif
1111# endif
1112#else
1113# ifndef memcpy
1114# ifdef HAS_BCOPY
1115# define memcpy(d,s,l) bcopy(s,d,l)
1116# else
1117# define memcpy(d,s,l) my_bcopy(s,d,l)
1118# endif
1119# endif
1120#endif /* HAS_MEMCPY */
fe14fcc3 1121
ee0007ab 1122#ifdef HAS_MEMSET
85e6fe83 1123# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1124# ifndef memset
20ce7b12 1125 extern char *memset (char*, int, int);
ee0007ab
LW
1126# endif
1127# endif
ee0007ab 1128#else
12ae5dfc 1129# undef memset
fc36a67e 1130# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1131#endif /* HAS_MEMSET */
1132
85e6fe83 1133#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1134# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1135# define memmove(d,s,l) bcopy(s,d,l)
1136# else
2304df62 1137# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1138# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1139# else
79072805 1140# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1141# endif
352d5a3a 1142# endif
d9d8d8de 1143#endif
ee0007ab 1144
36477c24
PP
1145#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1146# undef HAS_MEMCMP
1147#endif
1148
1149#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1150# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1151# ifndef memcmp
20ce7b12 1152 extern int memcmp (char*, char*, int);
ee0007ab
LW
1153# endif
1154# endif
36477c24 1155# ifdef BUGGY_MSC
7e4e8c89 1156# pragma function(memcmp)
36477c24 1157# endif
ee0007ab
LW
1158#else
1159# ifndef memcmp
ecfc5424 1160# define memcmp my_memcmp
352d5a3a 1161# endif
36477c24 1162#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1163
fc36a67e 1164#ifndef memzero
c635e13b
PP
1165# ifdef HAS_MEMSET
1166# define memzero(d,l) memset(d,0,l)
79072805 1167# else
c635e13b
PP
1168# ifdef HAS_BZERO
1169# define memzero(d,l) bzero(d,l)
79072805 1170# else
fc36a67e 1171# define memzero(d,l) my_bzero(d,l)
79072805
LW
1172# endif
1173# endif
d9d8d8de 1174#endif
378cc40b 1175
2f42fcb0 1176#ifndef PERL_MICRO
0f27ced1
JH
1177#ifndef memchr
1178# ifndef HAS_MEMCHR
1179# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1180# endif
1181#endif
2f42fcb0 1182#endif
0f27ced1 1183
36477c24
PP
1184#ifndef HAS_BCMP
1185# ifndef bcmp
1186# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1187# endif
36477c24 1188#endif /* !HAS_BCMP */
378cc40b 1189
ae986130 1190#ifdef I_NETINET_IN
79072805 1191# include <netinet/in.h>
ae986130
LW
1192#endif
1193
28e8609d
JH
1194#ifdef I_ARPA_INET
1195# include <arpa/inet.h>
1196#endif
1197
84902520
TB
1198#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1199/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1200 * (the neo-BSD seem to do this). */
1201# undef SF_APPEND
1202#endif
1203
1aef975c 1204#ifdef I_SYS_STAT
84902520 1205# include <sys/stat.h>
1aef975c 1206#endif
79072805 1207
287a962e
JD
1208/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1209 This definition should ideally go into win32/win32.h, but S_IFIFO is
1210 used later here in perl.h before win32/win32.h is being included. */
1211#if !defined(S_IFIFO) && defined(_S_IFIFO)
1212# define S_IFIFO _S_IFIFO
1213#endif
1214
cc3315ba 1215/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1216 like UTekV) are broken, sometimes giving false positives. Undefine
1217 them here and let the code below set them to proper values.
1218
1219 The ghs macro stands for GreenHills Software C-1.8.5 which
1220 is the C compiler for sysV88 and the various derivatives.
1221 This header file bug is corrected in gcc-2.5.8 and later versions.
1222 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1223
cc3315ba 1224#if defined(m88k) && defined(ghs)
79072805
LW
1225# undef S_ISDIR
1226# undef S_ISCHR
1227# undef S_ISBLK
1228# undef S_ISREG
1229# undef S_ISFIFO
1230# undef S_ISLNK
ee0007ab 1231#endif
135863df 1232
663a0e37
LW
1233#ifdef I_TIME
1234# include <time.h>
ffed7fef 1235#endif
663a0e37 1236
fe14fcc3 1237#ifdef I_SYS_TIME
85e6fe83 1238# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1239# define KERNEL
1240# endif
1241# include <sys/time.h>
85e6fe83 1242# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1243# undef KERNEL
1244# endif
a687059c 1245#endif
135863df 1246
55497cff 1247#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1248# include <sys/times.h>
d9d8d8de 1249#endif
8d063cd8 1250
fe14fcc3 1251#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1252# undef HAS_STRERROR
663a0e37
LW
1253#endif
1254
1255#include <errno.h>
1e743fda 1256
acfe0abc 1257#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1258# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1259#endif
1260
8cfab5ff 1261/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1262 * This is important for using IPv6.
8cfab5ff
JH
1263 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1264 * a bad idea since it breaks send() and recv(). */
1265#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1266# define _SOCKADDR_LEN
1267#endif
1268
da70cfc6 1269#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1270# include <sys/socket.h>
1271# if defined(USE_SOCKS) && defined(I_SOCKS)
1272# if !defined(INCLUDE_PROTOTYPES)
1273# define INCLUDE_PROTOTYPES /* for <socks.h> */
1274# define PERL_SOCKS_NEED_PROTOTYPES
1275# endif
1276# include <socks.h>
1277# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1278# undef INCLUDE_PROTOTYPES
1279# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1280# endif
d460ef45 1281# endif
1e743fda 1282# ifdef I_NETDB
2986a63f
JH
1283# ifdef NETWARE
1284# include<stdio.h>
1285# endif
1e743fda
JH
1286# include <netdb.h>
1287# endif
1288# ifndef ENOTSOCK
1289# ifdef I_NET_ERRNO
1290# include <net/errno.h>
1291# endif
1292# endif
1293#endif
1294
fa0a29af 1295/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1296 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1297 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1298#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1299# if defined(__THROW) && defined(__GLIBC__)
1300int sockatmark(int) __THROW;
1301# else
2ef53570 1302int sockatmark(int);
29820b6d 1303# endif
2ef53570
JH
1304#endif
1305
7e827271 1306#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
1307EXTERN_C int fchdir(int);
1308EXTERN_C int flock(int, int);
1309EXTERN_C int fseeko(FILE *, off_t, int);
1310EXTERN_C off_t ftello(FILE *);
1311#endif
1312
7e827271 1313#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1314EXTERN_C char *crypt(const char *, const char *);
7e827271 1315EXTERN_C char **environ;
1ccb7c8d
JH
1316#endif
1317
83a6ff2e 1318#if defined(__cplusplus)
944c4fda 1319# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1320EXTERN_C char **environ;
83a6ff2e 1321# elif defined(__CYGWIN__)
667e2948
SP
1322EXTERN_C char *crypt(const char *, const char *);
1323#endif
83a6ff2e 1324#endif
667e2948 1325
1e743fda
JH
1326#ifdef SETERRNO
1327# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1328#endif
f86702cc
PP
1329
1330#ifdef VMS
1331# define SETERRNO(errcode,vmserrcode) \
1332 STMT_START { \
1333 set_errno(errcode); \
1334 set_vaxc_errno(vmserrcode); \
1335 } STMT_END
4ee39169
CS
1336# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1337# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1338# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1339# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1340
93189314
JH
1341# define LIB_INVARG LIB$_INVARG
1342# define RMS_DIR RMS$_DIR
1343# define RMS_FAC RMS$_FAC
1344# define RMS_FEX RMS$_FEX
1345# define RMS_FNF RMS$_FNF
1346# define RMS_IFI RMS$_IFI
1347# define RMS_ISI RMS$_ISI
1348# define RMS_PRV RMS$_PRV
1349# define SS_ACCVIO SS$_ACCVIO
1350# define SS_DEVOFFLINE SS$_DEVOFFLINE
1351# define SS_IVCHAN SS$_IVCHAN
1352# define SS_NORMAL SS$_NORMAL
748a9306 1353#else
aba27d88 1354# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1355# define dSAVEDERRNO int saved_errno
1356# define dSAVE_ERRNO int saved_errno = errno
1357# define SAVE_ERRNO (saved_errno = errno)
1358# define RESTORE_ERRNO (errno = saved_errno)
1359
93189314
JH
1360# define LIB_INVARG 0
1361# define RMS_DIR 0
1362# define RMS_FAC 0
1363# define RMS_FEX 0
1364# define RMS_FNF 0
1365# define RMS_IFI 0
1366# define RMS_ISI 0
1367# define RMS_PRV 0
1368# define SS_ACCVIO 0
1369# define SS_DEVOFFLINE 0
1370# define SS_IVCHAN 0
1371# define SS_NORMAL 0
748a9306 1372#endif
ed6116ce 1373
f5fa9033 1374#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1375
1376#define CLEAR_ERRSV() STMT_START { \
1377 if (!GvSV(PL_errgv)) { \
1378 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1379 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1380 SvREFCNT_dec(GvSV(PL_errgv)); \
1381 GvSV(PL_errgv) = newSVpvs(""); \
1382 } else { \
1383 SV *const errsv = GvSV(PL_errgv); \
1384 sv_setpvs(errsv, ""); \
1385 if (SvMAGICAL(errsv)) { \
1386 mg_free(errsv); \
1387 } \
1388 SvPOK_only(errsv); \
1389 } \
1390 } STMT_END
1391
1392
414bf5ae
MHM
1393#ifdef PERL_CORE
1394# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1395# define DEFSV_set(sv) \
1396 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1397# define SAVE_DEFSV \
1398 ( \
1399 save_gp(PL_defgv, 0), \
1400 GvINTRO_off(PL_defgv), \
1401 SAVEGENERICSV(GvSV(PL_defgv)), \
1402 GvSV(PL_defgv) = NULL \
1403 )
414bf5ae
MHM
1404#else
1405# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1406# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1407# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1408#endif
38a03e6e 1409
98eae8f5
GS
1410#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1411
55497cff 1412#ifndef errno
5ff3f7a4
GS
1413 extern int errno; /* ANSI allows errno to be an lvalue expr.
1414 * For example in multithreaded environments
1415 * something like this might happen:
1416 * extern int *_errno(void);
1417 * #define errno (*_errno()) */
d9d8d8de 1418#endif
663a0e37 1419
2304df62 1420#ifdef HAS_STRERROR
2242159b 1421#ifndef DONT_DECLARE_STD
a0d0e21e 1422# ifdef VMS
20ce7b12 1423 char *strerror (int,...);
a0d0e21e 1424# else
20ce7b12 1425 char *strerror (int);
a0d0e21e 1426# endif
2242159b 1427#endif
2304df62
AD
1428# ifndef Strerror
1429# define Strerror strerror
1430# endif
1431#else
1432# ifdef HAS_SYS_ERRLIST
79072805
LW
1433 extern int sys_nerr;
1434 extern char *sys_errlist[];
2304df62
AD
1435# ifndef Strerror
1436# define Strerror(e) \
79072805 1437 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1438# endif
79072805 1439# endif
35c8bce7 1440#endif
663a0e37 1441
2304df62 1442#ifdef I_SYS_IOCTL
79072805
LW
1443# ifndef _IOCTL_
1444# include <sys/ioctl.h>
1445# endif
a687059c
LW
1446#endif
1447
ee0007ab 1448#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1449# ifdef HAS_SOCKETPAIR
1450# undef HAS_SOCKETPAIR
1451# endif
2304df62
AD
1452# ifdef I_NDBM
1453# undef I_NDBM
79072805 1454# endif
a687059c
LW
1455#endif
1456
02fc2eee
NC
1457#ifndef HAS_SOCKETPAIR
1458# ifdef HAS_SOCKET
1459# define socketpair Perl_my_socketpair
1460# endif
1461#endif
1462
a687059c 1463#if INTSIZE == 2
79072805
LW
1464# define htoni htons
1465# define ntohi ntohs
a687059c 1466#else
79072805
LW
1467# define htoni htonl
1468# define ntohi ntohl
a687059c
LW
1469#endif
1470
a0d0e21e 1471/* Configure already sets Direntry_t */
35c8bce7 1472#if defined(I_DIRENT)
663a0e37 1473# include <dirent.h>
8f1f23e8
W
1474 /* NeXT needs dirent + sys/dir.h */
1475# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1476# include <sys/dir.h>
1477# endif
ae986130 1478#else
fe14fcc3 1479# ifdef I_SYS_NDIR
79a0689e 1480# include <sys/ndir.h>
663a0e37 1481# else
fe14fcc3 1482# ifdef I_SYS_DIR
79a0689e
LW
1483# ifdef hp9000s500
1484# include <ndir.h> /* may be wrong in the future */
1485# else
1486# include <sys/dir.h>
1487# endif
663a0e37
LW
1488# endif
1489# endif
4633a7c4 1490#endif
a687059c 1491
12ae5dfc
JH
1492#ifdef PERL_MICRO
1493# ifndef DIR
1494# define DIR void
1495# endif
1496#endif
1497
352d5a3a
LW
1498#ifdef FPUTS_BOTCH
1499/* work around botch in SunOS 4.0.1 and 4.0.2 */
1500# ifndef fputs
79072805 1501# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1502# endif
1503#endif
1504
c623bd54
LW
1505/*
1506 * The following gobbledygook brought to you on behalf of __STDC__.
1507 * (I could just use #ifndef __STDC__, but this is more bulletproof
1508 * in the face of half-implementations.)
1509 */
1510
7114a2d2 1511#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1512#include <sys/mode.h>
1513#endif
1514
c623bd54
LW
1515#ifndef S_IFMT
1516# ifdef _S_IFMT
1517# define S_IFMT _S_IFMT
1518# else
1519# define S_IFMT 0170000
1520# endif
1521#endif
1522
1523#ifndef S_ISDIR
1524# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1525#endif
1526
1527#ifndef S_ISCHR
1528# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1529#endif
1530
1531#ifndef S_ISBLK
fe14fcc3
LW
1532# ifdef S_IFBLK
1533# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1534# else
1535# define S_ISBLK(m) (0)
1536# endif
c623bd54
LW
1537#endif
1538
1539#ifndef S_ISREG
1540# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1541#endif
1542
1543#ifndef S_ISFIFO
fe14fcc3
LW
1544# ifdef S_IFIFO
1545# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1546# else
1547# define S_ISFIFO(m) (0)
1548# endif
c623bd54
LW
1549#endif
1550
1551#ifndef S_ISLNK
1552# ifdef _S_ISLNK
1553# define S_ISLNK(m) _S_ISLNK(m)
1554# else
1555# ifdef _S_IFLNK
1556# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1557# else
1558# ifdef S_IFLNK
1559# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1560# else
1561# define S_ISLNK(m) (0)
1562# endif
1563# endif
1564# endif
1565#endif
1566
1567#ifndef S_ISSOCK
1568# ifdef _S_ISSOCK
1569# define S_ISSOCK(m) _S_ISSOCK(m)
1570# else
1571# ifdef _S_IFSOCK
1572# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1573# else
1574# ifdef S_IFSOCK
1575# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1576# else
1577# define S_ISSOCK(m) (0)
1578# endif
1579# endif
1580# endif
1581#endif
1582
1583#ifndef S_IRUSR
1584# ifdef S_IREAD
1585# define S_IRUSR S_IREAD
1586# define S_IWUSR S_IWRITE
1587# define S_IXUSR S_IEXEC
1588# else
1589# define S_IRUSR 0400
1590# define S_IWUSR 0200
1591# define S_IXUSR 0100
1592# endif
fac7cdfc 1593#endif
1594
1595#ifndef S_IRGRP
1596# ifdef S_IRUSR
1597# define S_IRGRP (S_IRUSR>>3)
1598# define S_IWGRP (S_IWUSR>>3)
1599# define S_IXGRP (S_IXUSR>>3)
1600# else
1601# define S_IRGRP 0040
1602# define S_IWGRP 0020
1603# define S_IXGRP 0010
1604# endif
1605#endif
1606
1607#ifndef S_IROTH
1608# ifdef S_IRUSR
1609# define S_IROTH (S_IRUSR>>6)
1610# define S_IWOTH (S_IWUSR>>6)
1611# define S_IXOTH (S_IXUSR>>6)
1612# else
1613# define S_IROTH 0040
1614# define S_IWOTH 0020
1615# define S_IXOTH 0010
1616# endif
c623bd54
LW
1617#endif
1618
1619#ifndef S_ISUID
1620# define S_ISUID 04000
1621#endif
1622
1623#ifndef S_ISGID
1624# define S_ISGID 02000
1625#endif
1626
ca6e1c26
JH
1627#ifndef S_IRWXU
1628# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1629#endif
ca6e1c26
JH
1630
1631#ifndef S_IRWXG
1632# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1633#endif
ca6e1c26
JH
1634
1635#ifndef S_IRWXO
1636# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1637#endif
ca6e1c26 1638
df00ff3b 1639/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1640 * which would get included through <sys/file.h >, but that is 3000
1641 * lines in the future. --jhi */
1642
df00ff3b 1643#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1644# define S_IREAD S_IRUSR
1645#endif
1646
df00ff3b 1647#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1648# define S_IWRITE S_IWUSR
1649#endif
1650
1651#ifndef S_IEXEC
1652# define S_IEXEC S_IXUSR
1653#endif
1654
79072805
LW
1655#ifdef ff_next
1656# undef ff_next
352d5a3a
LW
1657#endif
1658
a0d0e21e 1659#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1660# define SLOPPYDIVIDE
1661#endif
1662
748a9306
LW
1663#ifdef UV
1664#undef UV
1665#endif
1666
ce582cee
NC
1667/* For the times when you want the return value of sprintf, and you want it
1668 to be the length. Can't have a thread variable passed in, because C89 has
1669 no varargs macros.
1670*/
1671#ifdef SPRINTF_RETURNS_STRLEN
1672# define my_sprintf sprintf
1673#else
1674# define my_sprintf Perl_my_sprintf
1675#endif
1676
5b692037
JH
1677/*
1678 * If we have v?snprintf() and the C99 variadic macros, we can just
1679 * use just the v?snprintf(). It is nice to try to trap the buffer
1680 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1681 * gcc statement expressions, then use the function wrappers which try
1682 * to trap the overflow. If we can use the gcc statement expressions,
1683 * we can try that even with the version that uses the C99 variadic
1684 * macros.
5b692037
JH
1685 */
1686
1208b3dd
JH
1687/* Note that we do not check against snprintf()/vsnprintf() returning
1688 * negative values because that is non-standard behaviour and we use
1689 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1690 * that should be true only if the snprintf()/vsnprintf() are true
1691 * to the standard. */
1692
dfeee9b1 1693#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1694# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1695# 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 1696# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1697# else
1698# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1699# endif
1700#else
1701# define my_snprintf Perl_my_snprintf
1208b3dd 1702# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1703#endif
1704
dfeee9b1 1705#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1706# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1707# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1708# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1709# else
1710# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1711# endif
1712#else
1713# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1714# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1715#endif
d9fad198 1716
a6cc4119
SP
1717#ifdef HAS_STRLCAT
1718# define my_strlcat strlcat
1719#else
1720# define my_strlcat Perl_my_strlcat
1721#endif
1722
1723#ifdef HAS_STRLCPY
1724# define my_strlcpy strlcpy
1725#else
1726# define my_strlcpy Perl_my_strlcpy
1727#endif
1728
05f13f53 1729/*
27d4fb96
PP
1730 The IV type is supposed to be long enough to hold any integral
1731 value or a pointer.
1732 --Andy Dougherty August 1996
1733*/
1734
a22e52b9
JH
1735typedef IVTYPE IV;
1736typedef UVTYPE UV;
8175356b 1737
10cc9d2a 1738#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1739# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1740# define IV_MAX INT64_MAX
1741# define IV_MIN INT64_MIN
1742# define UV_MAX UINT64_MAX
cae7ae48
JH
1743# ifndef UINT64_MIN
1744# define UINT64_MIN 0
1745# endif
5ff3f7a4
GS
1746# define UV_MIN UINT64_MIN
1747# else
1748# define IV_MAX PERL_QUAD_MAX
1749# define IV_MIN PERL_QUAD_MIN
1750# define UV_MAX PERL_UQUAD_MAX
1751# define UV_MIN PERL_UQUAD_MIN
1752# endif
cf2093f6
JH
1753# define IV_IS_QUAD
1754# define UV_IS_QUAD
79072805 1755#else
8175356b 1756# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1757# define IV_MAX INT32_MAX
1758# define IV_MIN INT32_MIN
716026f9
DL
1759# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1760# define UV_MAX UINT32_MAX
1761# else
1762# define UV_MAX 4294967295U
1763# endif
cae7ae48
JH
1764# ifndef UINT32_MIN
1765# define UINT32_MIN 0
1766# endif
5ff3f7a4
GS
1767# define UV_MIN UINT32_MIN
1768# else
1769# define IV_MAX PERL_LONG_MAX
1770# define IV_MIN PERL_LONG_MIN
1771# define UV_MAX PERL_ULONG_MAX
1772# define UV_MIN PERL_ULONG_MIN
1773# endif
8175356b 1774# if IVSIZE == 8
cf2093f6
JH
1775# define IV_IS_QUAD
1776# define UV_IS_QUAD
de1c2614
JH
1777# ifndef HAS_QUAD
1778# define HAS_QUAD
1779# endif
cf2093f6
JH
1780# else
1781# undef IV_IS_QUAD
1782# undef UV_IS_QUAD
de1c2614 1783# undef HAS_QUAD
cf2093f6 1784# endif
79072805 1785#endif
d7d93a81 1786
1109a392
MHM
1787#ifndef HAS_QUAD
1788# undef PERL_NEED_MY_HTOLE64
1789# undef PERL_NEED_MY_LETOH64
1790# undef PERL_NEED_MY_HTOBE64
1791# undef PERL_NEED_MY_BETOH64
1792#endif
1793
cae7ae48 1794#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1795#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1796
28e5dec8 1797#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1798#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1799#endif
1800
d460ef45 1801/*
26bb67e2
JH
1802 * The macros INT2PTR and NUM2PTR are (despite their names)
1803 * bi-directional: they will convert int/float to or from pointers.
1804 * However the conversion to int/float are named explicitly:
1805 * PTR2IV, PTR2UV, PTR2NV.
1806 *
1807 * For int conversions we do not need two casts if pointers are
1808 * the same size as IV and UV. Otherwise we need an explicit
1809 * cast (PTRV) to avoid compiler warnings.
1810 */
56431972
RB
1811#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1812# define PTRV UV
1813# define INT2PTR(any,d) (any)(d)
1814#else
d460ef45 1815# if PTRSIZE == LONGSIZE
56431972 1816# define PTRV unsigned long
e91e3b10 1817# define PTR2ul(p) (unsigned long)(p)
42718184 1818# else
56431972 1819# define PTRV unsigned
42718184 1820# endif
e91e3b10
RB
1821#endif
1822
1823#ifndef INT2PTR
56431972 1824# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1825#endif
e91e3b10
RB
1826
1827#ifndef PTR2ul
1828# define PTR2ul(p) INT2PTR(unsigned long,p)
1829#endif
1830
56431972
RB
1831#define NUM2PTR(any,d) (any)(PTRV)(d)
1832#define PTR2IV(p) INT2PTR(IV,p)
1833#define PTR2UV(p) INT2PTR(UV,p)
1834#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1835#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1836
8141890a
JH
1837/* According to strict ANSI C89 one cannot freely cast between
1838 * data pointers and function (code) pointers. There are at least
1839 * two ways around this. One (used below) is to do two casts,
1840 * first the other pointer to an (unsigned) integer, and then
1841 * the integer to the other pointer. The other way would be
1842 * to use unions to "overlay" the pointers. For an example of
1843 * the latter technique, see union dirpu in struct xpvio in sv.h.
1844 * The only feasible use is probably temporarily storing
1845 * function pointers in a data pointer (such as a void pointer). */
1846
e91e3b10
RB
1847#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1848#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1849
65202027 1850#ifdef USE_LONG_DOUBLE
1048ea30
JH
1851# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1852# define LONG_DOUBLE_EQUALS_DOUBLE
1853# endif
68d4903c 1854# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1855# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1856# endif
1857#endif
1858
2d4389e4
JH
1859#ifdef OVR_DBL_DIG
1860/* Use an overridden DBL_DIG */
1861# ifdef DBL_DIG
1862# undef DBL_DIG
1863# endif
1864# define DBL_DIG OVR_DBL_DIG
1865#else
1866/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1867 default value for printing floating point numbers in Gconvert
1868 (see config.h). (It also has other uses, such as figuring out if
1869 a given precision of printing can be done with a double instead of
1870 a long double - Allen).
2d4389e4
JH
1871*/
1872#ifdef I_LIMITS
1873#include <limits.h>
1874#endif
1875#ifdef I_FLOAT
1876#include <float.h>
1877#endif
1878#ifndef HAS_DBL_DIG
1879#define DBL_DIG 15 /* A guess that works lots of places */
1880#endif
1881#endif
1882
1883#ifdef OVR_LDBL_DIG
1884/* Use an overridden LDBL_DIG */
1885# ifdef LDBL_DIG
1886# undef LDBL_DIG
1887# endif
1888# define LDBL_DIG OVR_LDBL_DIG
1889#else
1890/* The following is all to get LDBL_DIG, in order to pick a nice
1891 default value for printing floating point numbers in Gconvert.
1892 (see config.h)
1893*/
68d4903c
JH
1894# ifdef I_LIMITS
1895# include <limits.h>
1896# endif
1897# ifdef I_FLOAT
1898# include <float.h>
1899# endif
1900# ifndef HAS_LDBL_DIG
1901# if LONG_DOUBLESIZE == 10
1902# define LDBL_DIG 18 /* assume IEEE */
1903# else
1904# if LONG_DOUBLESIZE == 12
1905# define LDBL_DIG 18 /* gcc? */
1906# else
1907# if LONG_DOUBLESIZE == 16
1908# define LDBL_DIG 33 /* assume IEEE */
1909# else
1910# if LONG_DOUBLESIZE == DOUBLESIZE
1911# define LDBL_DIG DBL_DIG /* bummer */
1912# endif
1913# endif
1914# endif
1915# endif
1916# endif
2d4389e4
JH
1917#endif
1918
20f6aaab
AS
1919/*
1920 * This is for making sure we have a good DBL_MAX value, if possible,
1921 * either for usage as NV_MAX or for usage in figuring out if we can
1922 * fit a given long double into a double, if bug-fixing makes it
1923 * necessary to do so. - Allen <allens@cpan.org>
1924 */
1925
205f51d8
AS
1926#ifdef I_LIMITS
1927# include <limits.h>
20f6aaab
AS
1928#endif
1929
205f51d8
AS
1930#ifdef I_VALUES
1931# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1932# include <values.h>
1933# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1934# define DBL_MAX MAXDOUBLE
1935# endif
1936# if defined(MINDOUBLE) && !defined(DBL_MIN)
1937# define DBL_MIN MINDOUBLE
1938# endif
1939# endif
1940#endif /* defined(I_VALUES) */
1941
a22e52b9 1942typedef NVTYPE NV;
8175356b 1943
792d8dab
JH
1944#ifdef I_IEEEFP
1945# include <ieeefp.h>
1946#endif
923fc586 1947
65202027 1948#ifdef USE_LONG_DOUBLE
923fc586
JH
1949# ifdef I_SUNMATH
1950# include <sunmath.h>
1951# endif
2d4389e4 1952# define NV_DIG LDBL_DIG
d6c14000
JH
1953# ifdef LDBL_MANT_DIG
1954# define NV_MANT_DIG LDBL_MANT_DIG
1955# endif
06fc1729
JH
1956# ifdef LDBL_MIN
1957# define NV_MIN LDBL_MIN
1958# endif
1959# ifdef LDBL_MAX
1960# define NV_MAX LDBL_MAX
1961# endif
1962# ifdef LDBL_MIN_10_EXP
1963# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1964# endif
1965# ifdef LDBL_MAX_10_EXP
1966# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1967# endif
1968# ifdef LDBL_EPSILON
1969# define NV_EPSILON LDBL_EPSILON
1970# endif
f4a14a62
JH
1971# ifdef LDBL_MAX
1972# define NV_MAX LDBL_MAX
20f6aaab 1973/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1974# else
1975# ifdef HUGE_VALL
1976# define NV_MAX HUGE_VALL
1977# else
1978# ifdef HUGE_VAL
1979# define NV_MAX ((NV)HUGE_VAL)
1980# endif
1981# endif
1982# endif
68d4903c 1983# ifdef HAS_SQRTL
68d4903c
JH
1984# define Perl_cos cosl
1985# define Perl_sin sinl
1986# define Perl_sqrt sqrtl
1987# define Perl_exp expl
1988# define Perl_log logl
1989# define Perl_atan2 atan2l
1990# define Perl_pow powl
1991# define Perl_floor floorl
1bbae031 1992# define Perl_ceil ceill
68d4903c
JH
1993# define Perl_fmod fmodl
1994# endif
a3540c92
JH
1995/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1996# ifdef HAS_MODFL
1997# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1998/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1999 prototype in <math.h> */
2000# ifndef HAS_MODFL_PROTO
a221a8a5 2001EXTERN_C long double modfl(long double, long double *);
51997bc3 2002# endif
03476e8e
JH
2003# else
2004# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 2005 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
2006# define Perl_modf(x,y) Perl_my_modfl(x,y)
2007# endif
a3540c92
JH
2008# endif
2009# ifdef HAS_FREXPL
dff3e0b8 2010# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
2011# else
2012# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 2013 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
2014# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
2015# endif
a3540c92 2016# endif
38dbb4c5 2017# ifndef Perl_isnan
758a5d79
JH
2018# ifdef HAS_ISNANL
2019# define Perl_isnan(x) isnanl(x)
2020# endif
2021# endif
2022# ifndef Perl_isinf
2023# ifdef HAS_FINITEL
2024# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
2025# endif
2026# endif
65202027 2027#else
2d4389e4 2028# define NV_DIG DBL_DIG
d6c14000
JH
2029# ifdef DBL_MANT_DIG
2030# define NV_MANT_DIG DBL_MANT_DIG
2031# endif
06fc1729
JH
2032# ifdef DBL_MIN
2033# define NV_MIN DBL_MIN
2034# endif
2035# ifdef DBL_MAX
2036# define NV_MAX DBL_MAX
2037# endif
2038# ifdef DBL_MIN_10_EXP
2039# define NV_MIN_10_EXP DBL_MIN_10_EXP
2040# endif
2041# ifdef DBL_MAX_10_EXP
2042# define NV_MAX_10_EXP DBL_MAX_10_EXP
2043# endif
2044# ifdef DBL_EPSILON
2045# define NV_EPSILON DBL_EPSILON
2046# endif
205f51d8 2047# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2048# define NV_MAX DBL_MAX
2049# define NV_MIN DBL_MIN
2050# else
2051# ifdef HUGE_VAL
2052# define NV_MAX HUGE_VAL
2053# endif
2054# endif
65202027
DS
2055# define Perl_cos cos
2056# define Perl_sin sin
2057# define Perl_sqrt sqrt
2058# define Perl_exp exp
2059# define Perl_log log
2060# define Perl_atan2 atan2
2061# define Perl_pow pow
2062# define Perl_floor floor
1bbae031 2063# define Perl_ceil ceil
65202027 2064# define Perl_fmod fmod
a3540c92 2065# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2066# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2067#endif
2068
2069/* rumor has it that Win32 has _fpclass() */
2070
205f51d8
AS
2071/* SGI has fpclassl... but not with the same result values,
2072 * and it's via a typedef (not via #define), so will need to redo Configure
2073 * to use. Not worth the trouble, IMO, at least until the below is used
2074 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2075 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2076 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2077
758a5d79
JH
2078#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2079# ifdef I_IEEFP
2080# include <ieeefp.h>
2081# endif
2082# ifdef I_FP
2083# include <fp.h>
2084# endif
2085# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2086# define Perl_fp_class() fpclassl(x)
2087# else
2088# define Perl_fp_class() fpclass(x)
2089# endif
2090# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2091# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2092# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2093# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2094# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2095# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2096# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2097# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2098# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2099# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2100# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2101# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2102# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2103# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2104# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2105#endif
2106
7114a2d2 2107#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2108# include <math.h>
2109# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2110# include <fp_class.h>
2111# endif
2112# define Perl_fp_class(x) fp_class(x)
2113# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2114# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2115# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2116# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2117# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2118# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2119# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2120# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2121# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2122# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2123# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2124# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2125# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2126# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2127# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2128#endif
2129
2130#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2131# include <math.h>
2132# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2133# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2134# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2135# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2136# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2137# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2138#endif
2139
2140#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2141# include <math.h>
2142# ifndef _cplusplus
2143# define Perl_fp_class(x) class(x)
2144# else
2145# define Perl_fp_class(x) _class(x)
2146# endif
2147# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2148# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2149# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2150# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2151# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2152# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2153# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2154# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2155# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2156# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2157# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2158# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2159# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2160# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2161# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2162#endif
2163
2164/* rumor has it that Win32 has _isnan() */
2165
2166#ifndef Perl_isnan
a3540c92 2167# ifdef HAS_ISNAN
758a5d79
JH
2168# define Perl_isnan(x) isnan((NV)x)
2169# else
2170# ifdef Perl_fp_class_nan
2171# define Perl_isnan(x) Perl_fp_class_nan(x)
2172# else
2173# ifdef HAS_UNORDERED
2174# define Perl_isnan(x) unordered((x), 0.0)
2175# else
2176# define Perl_isnan(x) ((x)!=(x))
2177# endif
2178# endif
2179# endif
2180#endif
2181
ca6c63e1
JH
2182#ifdef UNDER_CE
2183int isnan(double d);
2184#endif
2185
758a5d79
JH
2186#ifndef Perl_isinf
2187# ifdef HAS_ISINF
2188# define Perl_isinf(x) isinf((NV)x)
a3540c92 2189# else
758a5d79
JH
2190# ifdef Perl_fp_class_inf
2191# define Perl_isinf(x) Perl_fp_class_inf(x)
2192# else
2193# define Perl_isinf(x) ((x)==NV_INF)
2194# endif
2195# endif
2196#endif
2197
2198#ifndef Perl_isfinite
2199# ifdef HAS_FINITE
2200# define Perl_isfinite(x) finite((NV)x)
2201# else
2202# ifdef HAS_ISFINITE
2203# define Perl_isfinite(x) isfinite(x)
2204# else
2205# ifdef Perl_fp_class_finite
2206# define Perl_isfinite(x) Perl_fp_class_finite(x)
2207# else
2208# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2209# endif
2210# endif
a3540c92 2211# endif
65202027
DS
2212#endif
2213
a36244b7
JH
2214/* The default is to use Perl's own atof() implementation (in numeric.c).
2215 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2216 * it is however best to use the native implementation of atof.
2217 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2218 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2219 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2220 * you may need to be using a different function than atof! */
a36244b7
JH
2221
2222#ifndef USE_PERL_ATOF
2223# ifndef _UNICOS
2224# define USE_PERL_ATOF
2225# endif
2226#else
2227# if USE_PERL_ATOF == 0
2228# undef USE_PERL_ATOF
2229# endif
2230#endif
2231
2232#ifdef USE_PERL_ATOF
2233# define Perl_atof(s) Perl_my_atof(s)
2234# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2235#else
2236# define Perl_atof(s) (NV)atof(s)
2237# define Perl_atof2(s, n) ((n) = atof(s))
2238#endif
cf2093f6 2239
d460ef45 2240/* Previously these definitions used hardcoded figures.
760ac839
LW
2241 * It is hoped these formula are more portable, although
2242 * no data one way or another is presently known to me.
2243 * The "PERL_" names are used because these calculated constants
2244 * do not meet the ANSI requirements for LONG_MAX, etc., which
2245 * need to be constants acceptable to #if - kja
2246 * define PERL_LONG_MAX 2147483647L
2247 * define PERL_LONG_MIN (-LONG_MAX - 1)
2248 * define PERL ULONG_MAX 4294967295L
2249 */
2250
2251#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2252# include <limits.h>
760ac839 2253#endif
205f51d8 2254/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2255 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2256
99abf803
PP
2257/*
2258 * Try to figure out max and min values for the integral types. THE CORRECT
2259 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2260 * following hacks are used if neither limits.h or values.h provide them:
2261 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2262 * for types < int: (unsigned TYPE)~(unsigned)0
2263 * The argument to ~ must be unsigned so that later signed->unsigned
2264 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2265 * and it must not be smaller than int because ~ does integral promotion.
2266 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2267 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2268 * The latter is a hack which happens to work on some machines but
2269 * does *not* catch any random system, or things like integer types
2270 * with NaN if that is possible.
2271 *
2272 * All of the types are explicitly cast to prevent accidental loss of
2273 * numeric range, and in the hope that they will be less likely to confuse
2274 * over-eager optimizers.
2275 *
2276 */
27d4fb96 2277
99abf803
PP
2278#define PERL_UCHAR_MIN ((unsigned char)0)
2279
2280#ifdef UCHAR_MAX
2281# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2282#else
99abf803
PP
2283# ifdef MAXUCHAR
2284# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2285# else
99abf803 2286# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2287# endif
2288#endif
d460ef45 2289
99abf803
PP
2290/*
2291 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2292 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2293 * depending on local options. Until Configure detects this (or at least
2294 * detects whether the "signed" keyword is available) the CHAR ranges
2295 * will not be included. UCHAR functions normally.
2296 * - kja
2297 */
27d4fb96 2298
99abf803
PP
2299#define PERL_USHORT_MIN ((unsigned short)0)
2300
2301#ifdef USHORT_MAX
2302# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2303#else
99abf803
PP
2304# ifdef MAXUSHORT
2305# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2306# else
ef2f54b0
CB
2307# ifdef USHRT_MAX
2308# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2309# else
2310# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2311# endif
27d4fb96
PP
2312# endif
2313#endif
2314
27d4fb96 2315#ifdef SHORT_MAX
99abf803 2316# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2317#else
2318# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2319# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2320# else
ef2f54b0
CB
2321# ifdef SHRT_MAX
2322# define PERL_SHORT_MAX ((short)SHRT_MAX)
2323# else
2324# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2325# endif
27d4fb96
PP
2326# endif
2327#endif
2328
2329#ifdef SHORT_MIN
99abf803 2330# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2331#else
2332# ifdef MINSHORT
99abf803 2333# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2334# else
ef2f54b0
CB
2335# ifdef SHRT_MIN
2336# define PERL_SHORT_MIN ((short)SHRT_MIN)
2337# else
2338# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2339# endif
27d4fb96
PP
2340# endif
2341#endif
2342
99abf803
PP
2343#ifdef UINT_MAX
2344# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2345#else
99abf803
PP
2346# ifdef MAXUINT
2347# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2348# else
99abf803 2349# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2350# endif
2351#endif
2352
99abf803 2353#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2354
2355#ifdef INT_MAX
99abf803 2356# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2357#else
2358# ifdef MAXINT /* Often used in <values.h> */
99abf803 2359# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2360# else
99abf803 2361# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2362# endif
2363#endif
2364
2365#ifdef INT_MIN
99abf803 2366# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2367#else
2368# ifdef MININT
99abf803 2369# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2370# else
2371# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2372# endif
2373#endif
2374
99abf803
PP
2375#ifdef ULONG_MAX
2376# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2377#else
99abf803
PP
2378# ifdef MAXULONG
2379# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2380# else
99abf803 2381# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2382# endif
2383#endif
2384
99abf803 2385#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2386
760ac839 2387#ifdef LONG_MAX
99abf803 2388# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2389#else
2390# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2391# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2392# else
99abf803 2393# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2394# endif
2395#endif
2396
2397#ifdef LONG_MIN
99abf803 2398# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2399#else
2400# ifdef MINLONG
99abf803 2401# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2402# else
27d4fb96 2403# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2404# endif
2405#endif
2406
d7d93a81 2407#ifdef UV_IS_QUAD
99abf803 2408
99abf803 2409# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2410# define PERL_UQUAD_MIN ((UV)0)
99abf803 2411# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2412# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2413
79072805
LW
2414#endif
2415
830247a4 2416struct RExC_state_t;
8e11feef 2417struct _reg_trie_data;
880b20b6 2418
ee0007ab 2419typedef MEM_SIZE STRLEN;
450a55e4 2420
598921a7
NC
2421#ifdef PERL_MAD
2422typedef struct token TOKEN;
2423typedef struct madprop MADPROP;
2424typedef struct nexttoken NEXTTOKE;
2425#endif
79072805
LW
2426typedef struct op OP;
2427typedef struct cop COP;
2428typedef struct unop UNOP;
2429typedef struct binop BINOP;
2430typedef struct listop LISTOP;
2431typedef struct logop LOGOP;
79072805
LW
2432typedef struct pmop PMOP;
2433typedef struct svop SVOP;
7934575e 2434typedef struct padop PADOP;
79072805 2435typedef struct pvop PVOP;
79072805
LW
2436typedef struct loop LOOP;
2437
7aef8e5b 2438#ifdef PERL_CORE
8be227ab
FC
2439typedef struct opslab OPSLAB;
2440typedef struct opslot OPSLOT;
2441#endif
2442
52db365a 2443typedef struct block_hooks BHK;
1830b3d9 2444typedef struct custom_op XOP;
52db365a 2445
cd1541b2
NC
2446typedef struct interpreter PerlInterpreter;
2447
d2b3f365 2448/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2449#if defined(__sgi)
d2b3f365 2450# define STRUCT_SV perl_sv
b8d3c5db
JH
2451#else
2452# define STRUCT_SV sv
2453#endif
2454typedef struct STRUCT_SV SV;
79072805
LW
2455typedef struct av AV;
2456typedef struct hv HV;
2457typedef struct cv CV;
d2f13c59 2458typedef struct p5rx REGEXP;
79072805 2459typedef struct gp GP;
0c30d9ec 2460typedef struct gv GV;
8990e307 2461typedef struct io IO;
c09156bb 2462typedef struct context PERL_CONTEXT;
79072805
LW
2463typedef struct block BLOCK;
2464
2465typedef struct magic MAGIC;
2466typedef struct xpv XPV;
2467typedef struct xpviv XPVIV;
ff68c719 2468typedef struct xpvuv XPVUV;
79072805
LW
2469typedef struct xpvnv XPVNV;
2470typedef struct xpvmg XPVMG;
2471typedef struct xpvlv XPVLV;
2472typedef struct xpvav XPVAV;
2473typedef struct xpvhv XPVHV;
2474typedef struct xpvgv XPVGV;
2475typedef struct xpvcv XPVCV;
2476typedef struct xpvbm XPVBM;
2477typedef struct xpvfm XPVFM;
8990e307 2478typedef struct xpvio XPVIO;
79072805
LW
2479typedef struct mgvtbl MGVTBL;
2480typedef union any ANY;
5f7fde29
GS
2481typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2482typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2483typedef struct clone_params CLONE_PARAMS;
2484
35e035cc 2485/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2486 * so hide the type. */
2487typedef struct padlist PADLIST;
67634234 2488typedef AV PAD;
35e035cc
FC
2489typedef AV PADNAMELIST;
2490typedef SV PADNAME;
67634234 2491
378cc40b 2492#include "handy.h"
a0d0e21e 2493
6b8eaf93 2494#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2495# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2496# define USE_64_BIT_RAWIO /* implicit */
2497# endif
4564133c
JH
2498#endif
2499
6b8eaf93
JH
2500/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2501 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2502 * however, because operating systems like to do that themself. */
2503#ifndef FSEEKSIZE
2504# ifdef HAS_FSEEKO
2505# define FSEEKSIZE LSEEKSIZE
2506# else
2507# define FSEEKSIZE LONGSIZE
d460ef45 2508# endif
6b8eaf93
JH
2509#endif
2510
2511#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2512# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2513# define USE_64_BIT_STDIO /* implicit */
2514# endif
2515#endif
4564133c 2516
09458382 2517#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2518# ifdef HAS_OFF64_T
2519# undef Off_t
2520# define Off_t off64_t
2521# undef LSEEKSIZE
2522# define LSEEKSIZE 8
5ff3f7a4 2523# endif
d9b3e12d
JH
2524/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2525 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2526 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2527# if defined(USE_OPEN64)
2528# define open open64
5ff3f7a4 2529# endif
d9b3e12d
JH
2530# if defined(USE_LSEEK64)
2531# define lseek lseek64
6b8eaf93
JH
2532# else
2533# if defined(USE_LLSEEK)
2534# define lseek llseek
2535# endif
d9b3e12d
JH
2536# endif
2537# if defined(USE_STAT64)
2538# define stat stat64
2539# endif
2540# if defined(USE_FSTAT64)
2541# define fstat fstat64
2542# endif
2543# if defined(USE_LSTAT64)
2544# define lstat lstat64
2545# endif
2546# if defined(USE_FLOCK64)
2547# define flock flock64
2548# endif
2549# if defined(USE_LOCKF64)
2550# define lockf lockf64
2551# endif
2552# if defined(USE_FCNTL64)
2553# define fcntl fcntl64
2554# endif
2555# if defined(USE_TRUNCATE64)
2556# define truncate truncate64
2557# endif
2558# if defined(USE_FTRUNCATE64)
2559# define ftruncate ftruncate64
2560# endif
2561#endif
2562
2563#ifdef USE_64_BIT_STDIO
2564# ifdef HAS_FPOS64_T
2565# undef Fpos_t
2566# define Fpos_t fpos64_t
2567# endif
2568/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2569 * will trigger defines like the ones below. Some 64-bit environments,
2570 * however, do not. */
2571# if defined(USE_FOPEN64)
2572# define fopen fopen64
2573# endif
2574# if defined(USE_FSEEK64)
6b8eaf93 2575# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2576# endif
2577# if defined(USE_FTELL64)
6b8eaf93 2578# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2579# endif
2580# if defined(USE_FSETPOS64)
2581# define fsetpos fsetpos64
2582# endif
2583# if defined(USE_FGETPOS64)
2584# define fgetpos fgetpos64
2585# endif
2586# if defined(USE_TMPFILE64)
2587# define tmpfile tmpfile64
2588# endif
2589# if defined(USE_FREOPEN64)
2590# define freopen freopen64
5ff3f7a4
GS
2591# endif
2592#endif
2593
e37778c2 2594#if defined(OS2)
2c2d71f5
JH
2595# include "iperlsys.h"
2596#endif
2597
748a9306 2598#ifdef DOSISH
19848b3f
JH
2599# if defined(OS2)
2600# include "os2ish.h"
2601# else
2602# include "dosish.h"
2603# endif
2604# define ISHISH "dos"
2605#endif
2606
2607#if defined(VMS)
748a9306 2608# include "vmsish.h"
19848b3f
JH
2609# define ISHISH "vms"
2610#endif
2611
2612#if defined(PLAN9)
2613# include "./plan9/plan9ish.h"
2614# define ISHISH "plan9"
2615#endif
2616
19848b3f 2617#if defined(__VOS__)
196918b0
PG
2618# ifdef __GNUC__
2619# include "./vos/vosish.h"
2620# else
2621# include "vos/vosish.h"
2622# endif
19848b3f
JH
2623# define ISHISH "vos"
2624#endif
2625
2626#if defined(EPOC)
2627# include "epocish.h"
2628# define ISHISH "epoc"
2629#endif
2630
9969cdde 2631#ifdef __SYMBIAN32__
27da23d5 2632# include "symbian/symbianish.h"
27da23d5
JH
2633# define ISHISH "symbian"
2634#endif
2635
19848b3f 2636
df00ff3b
IW
2637#if defined(__HAIKU__)
2638# include "haiku/haikuish.h"
2639# define ISHISH "haiku"
2640#elif defined(__BEOS__)
efca5cc6
JH
2641# include "beos/beosish.h"
2642# define ISHISH "beos"
2643#endif
2644
19848b3f
JH
2645#ifndef ISHISH
2646# include "unixish.h"
2647# define ISHISH "unix"
13b6e58c
JH
2648#endif
2649
2946a158
JH
2650/* NSIG logic from Configure --> */
2651/* Strange style to avoid deeply-nested #if/#else/#endif */
2652#ifndef NSIG
2653# ifdef _NSIG
2654# define NSIG (_NSIG)
2655# endif
2656#endif
2657
2658#ifndef NSIG
2659# ifdef SIGMAX
2660# define NSIG (SIGMAX+1)
2661# endif
2662#endif
2663
2664#ifndef NSIG
2665# ifdef SIG_MAX
2666# define NSIG (SIG_MAX+1)
2667# endif
2668#endif
2669
2670#ifndef NSIG
2671# ifdef _SIG_MAX
2672# define NSIG (_SIG_MAX+1)
2673# endif
2674#endif
2675
2676#ifndef NSIG
2677# ifdef MAXSIG
2678# define NSIG (MAXSIG+1)
2679# endif
2680#endif
2681
2682#ifndef NSIG
2683# ifdef MAX_SIG
2684# define NSIG (MAX_SIG+1)
2685# endif
2686#endif
2687
2688#ifndef NSIG
2689# ifdef SIGARRAYSIZE
2690# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2691# endif
2692#endif
2693
2694#ifndef NSIG
2695# ifdef _sys_nsig
2696# define NSIG (_sys_nsig) /* Solaris 2.5 */
2697# endif
2698#endif
2699
2700/* Default to some arbitrary number that's big enough to get most
2701 of the common signals.
2702*/
2703#ifndef NSIG
2704# define NSIG 50
2705#endif
2706/* <-- NSIG logic from Configure */
2707
13b6e58c
JH
2708#ifndef NO_ENVIRON_ARRAY
2709# define USE_ENVIRON_ARRAY
2710#endif
32f822de 2711
c77b533b
JH
2712/*
2713 * initialise to avoid floating-point exceptions from overflow, etc
2714 */
2715#ifndef PERL_FPU_INIT
2716# ifdef HAS_FPSETMASK
2717# if HAS_FLOATINGPOINT_H
2718# include <floatingpoint.h>
2719# endif
ad3a8c67
NC
2720/* Some operating systems have this as a macro, which in turn expands to a comma
2721 expression, and the last sub-expression is something that gets calculated,
2722 and then they have the gall to warn that a value computed is not used. Hence
2723 cast to void. */
2724# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2725# else
2f42fcb0 2726# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2727# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2728# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2729# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2730# else
2731# define PERL_FPU_INIT
2f42fcb0 2732
7014c407 2733# endif
c77b533b
JH
2734# endif
2735#endif
b35112e7
CS
2736#ifndef PERL_FPU_PRE_EXEC
2737# define PERL_FPU_PRE_EXEC {
2738# define PERL_FPU_POST_EXEC }
2739#endif
c77b533b 2740
cbec8ebe
DM
2741#ifndef PERL_SYS_INIT3_BODY
2742# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2743#endif
2744
eb533572 2745/*
4ad9e498 2746=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2747Provides system-specific tune up of the C runtime environment necessary to
2748run Perl interpreters. This should be called only once, before creating
2749any Perl interpreters.
2750
4ad9e498 2751=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2752Provides system-specific tune up of the C runtime environment necessary to
2753run Perl interpreters. This should be called only once, before creating
2754any Perl interpreters.
2755
2756=for apidoc Am|void|PERL_SYS_TERM|
2757Provides system-specific clean up of the C runtime environment after
2758running Perl interpreters. This should be called only once, after
2759freeing any remaining Perl interpreters.
2760
2761=cut
2762 */
2763
cbec8ebe
DM
2764#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2765#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2766#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2767
be708cc0
JH
2768#ifndef PERL_WRITE_MSG_TO_CONSOLE
2769# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2770#endif
2771
0f31cffe
GS
2772#ifndef MAXPATHLEN
2773# ifdef PATH_MAX
b990c8b2
JH
2774# ifdef _POSIX_PATH_MAX
2775# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2776/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2777 * included the null byte or not. Later amendments of POSIX,
2778 * XPG4, the Austin Group, and the Single UNIX Specification
2779 * all explicitly include the null byte in the PATH_MAX.
2780 * Ditto for _POSIX_PATH_MAX. */
2781# define MAXPATHLEN PATH_MAX
b990c8b2 2782# else
09448d78 2783# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2784# endif
2785# else
2786# define MAXPATHLEN (PATH_MAX+1)
2787# endif
0f31cffe 2788# else
d552bce8 2789# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2790# endif
2791#endif
2792
c80263a8
SH
2793/* In case Configure was not used (we are using a "canned config"
2794 * such as Win32, or a cross-compilation setup, for example) try going
2795 * by the gcc major and minor versions. One useful URL is
2796 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2797 * but contrary to this information warn_unused_result seems
2798 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2799 * Also, when building extensions with an installed perl, this allows
2800 * the user to upgrade gcc and get the right attributes, rather than
2801 * relying on the list generated at Configure time. --AD
c80263a8
SH
2802 * Set these up now otherwise we get confused when some of the <*thread.h>
2803 * includes below indirectly pull in <perlio.h> (which needs to know if we
2804 * have HASATTRIBUTE_FORMAT).
2805 */
2806
4d7c7898 2807#ifndef PERL_MICRO
fc2007d4 2808#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2809# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2810# define HASATTRIBUTE_DEPRECATED
2811# endif
c80263a8
SH
2812# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2813# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2814# if defined __MINGW32__
2815# define PRINTF_FORMAT_NULL_OK
2816# endif
c80263a8
SH
2817# endif
2818# if __GNUC__ >= 3 /* 3.0 -> */
2819# define HASATTRIBUTE_MALLOC
2820# endif
2821# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2822# define HASATTRIBUTE_NONNULL
2823# endif
2824# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2825# define HASATTRIBUTE_NORETURN
2826# endif
2827# if __GNUC__ >= 3 /* gcc 3.0 -> */
2828# define HASATTRIBUTE_PURE
2829# endif
42bf5550 2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2831# define HASATTRIBUTE_UNUSED
2832# endif
d324fe49
AD
2833# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2834# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2835# endif
c80263a8
SH
2836# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2837# define HASATTRIBUTE_WARN_UNUSED_RESULT
2838# endif
2839#endif
00f254e2 2840#endif /* #ifndef PERL_MICRO */
c80263a8 2841
3db8f154 2842/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2843 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2844 * this results in many functions being undeclared which bothers C++
2845 * May make sense to have threads after "*ish.h" anyway
2846 */
2847
3db8f154 2848#if defined(USE_ITHREADS)
2986a63f
JH
2849# ifdef NETWARE
2850# include <nw5thread.h>
2851# else
32f822de
GS
2852# ifdef FAKE_THREADS
2853# include "fakethr.h"
2854# else
2855# ifdef WIN32
2856# include <win32thread.h>
2857# else
dd96f567
IZ
2858# ifdef OS2
2859# include "os2thread.h"
2860# else
7f3d1cf1 2861# ifdef I_MACH_CTHREADS
bdd66968 2862# include <mach/cthreads.h>
8f1f23e8 2863# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2864# define MUTEX_INIT_CALLS_MALLOC
2865# endif
7f3d1cf1
BH
2866typedef cthread_t perl_os_thread;
2867typedef mutex_t perl_mutex;
2868typedef condition_t perl_cond;
2869typedef void * perl_key;
2870# else /* Posix threads */
1f5ae88c
JH
2871# ifdef I_PTHREAD
2872# include <pthread.h>
2873# endif
7f3d1cf1
BH
2874typedef pthread_t perl_os_thread;
2875typedef pthread_mutex_t perl_mutex;
2876typedef pthread_cond_t perl_cond;
2877typedef pthread_key_t perl_key;
2878# endif /* I_MACH_CTHREADS */
dd96f567 2879# endif /* OS2 */
32f822de
GS
2880# endif /* WIN32 */
2881# endif /* FAKE_THREADS */
2986a63f 2882#endif /* NETWARE */
3db8f154 2883#endif /* USE_ITHREADS */
c5be433b 2884
66a93824 2885#if defined(WIN32)
1feb2720 2886# include "win32.h"
c5be433b
GS
2887#endif
2888
2986a63f
JH
2889#ifdef NETWARE
2890# include "netware.h"
2891#endif
2892
e5218da5 2893#define STATUS_UNIX PL_statusvalue
68dc0745 2894#ifdef VMS
6b88bc9c 2895# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2896/*
2897 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2898 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2899 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2900 * be updated also.
2901 */
2902# include <stsdef.h>
2903# include <ssdef.h>
2904/* Presume this because if VMS changes it, it will require a new
2905 * set of APIs for waiting on children for binary compatibility.
2906 */
2907# define child_offset_bits (8)
2908# ifndef C_FAC_POSIX
2909# define C_FAC_POSIX 0x35A000
2910# endif
2911
2912/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2913 * platform from the existing UNIX or Native status values.
2914 */
2915
37038d91 2916# define STATUS_EXIT \
7a7fd8e0
JM
2917 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2918 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2919
7a7fd8e0 2920
fb38d079
JM
2921/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2922 * exit code and shifts the UNIX value over the correct number of bits to
2923 * be a child status. Usually the number of bits is 8, but that could be
2924 * platform dependent. The NATIVE status code is presumed to have either
2925 * from a child process.
7a7fd8e0
JM
2926 */
2927
fb38d079
JM
2928/* This is complicated. The child processes return a true native VMS
2929 status which must be saved. But there is an assumption in Perl that
2930 the UNIX child status has some relationship to errno values, so
00f254e2 2931 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2932 In order to get the string translation correct, for the error, errno
2933 must be EVMSERR, but that generates a different text message
2934 than what the test programs are expecting. So an errno value must
2935 be derived from the native status value when an error occurs.
2936 That will hide the true native status message. With this version of
2937 perl, the true native child status can always be retrieved so that
2938 is not a problem. But in this case, Pl_statusvalue and errno may
2939 have different values in them.
2940 */
7a7fd8e0 2941
fb38d079 2942# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2943 STMT_START { \
2fbb330f
JM
2944 I32 evalue = (I32)n; \
2945 if (evalue == EVMSERR) { \
2946 PL_statusvalue_vms = vaxc$errno; \
2947 PL_statusvalue = evalue; \
7a7fd8e0 2948 } else { \
2fbb330f 2949 PL_statusvalue_vms = evalue; \
fb38d079 2950 if (evalue == -1) { \
3280af22 2951 PL_statusvalue = -1; \
7a7fd8e0
JM
2952 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2953 } else \
fb38d079 2954 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2955 set_vaxc_errno(evalue); \
fb38d079
JM
2956 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2957 set_errno(EVMSERR); \
2958 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2959 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2960 } \
68dc0745 2961 } STMT_END
7a7fd8e0 2962
68dc0745 2963# ifdef VMSISH_STATUS
e5218da5 2964# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2965# else
e5218da5 2966# define STATUS_CURRENT STATUS_UNIX
68dc0745 2967# endif
7a7fd8e0
JM
2968
2969 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2970 * the NATIVE status to an equivalent value. Can not be used to translate
2971 * exit code values as exit code values are not guaranteed to have any
2972 * relationship at all to errno values.
2973 * This is used when Perl is forcing errno to have a specific value.
2974 */
e5218da5 2975# define STATUS_UNIX_SET(n) \
68dc0745 2976 STMT_START { \
7a7fd8e0 2977 I32 evalue = (I32)n; \
0968cdad 2978 PL_statusvalue = evalue; \
3280af22 2979 if (PL_statusvalue != -1) { \
0968cdad
JM
2980 if (PL_statusvalue != EVMSERR) { \
2981 PL_statusvalue &= 0xFFFF; \
2982 if (MY_POSIX_EXIT) \
2983 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2984 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2985 } \
2986 else { \
2987 PL_statusvalue_vms = vaxc$errno; \
2988 } \
68dc0745 2989 } \
0968cdad
JM
2990 else PL_statusvalue_vms = SS$_ABORT; \
2991 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2992 } STMT_END
2993
2994 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2995 * the NATIVE error status based on it.
2996 *
2997 * When in the default mode to comply with the Perl VMS documentation,
2998 * 0 is a success and any other code sets the NATIVE status to a failure
2999 * code of SS$_ABORT.
fb38d079
JM
3000 *
3001 * In the new POSIX EXIT mode, native status will be set so that the
3002 * actual exit code will can be retrieved by the calling program or
3003 * shell.
3004 *
3005 * If the exit code is not clearly a UNIX parent or child exit status,
3006 * it will be passed through as a VMS status.
7a7fd8e0
JM
3007 */
3008
fb38d079 3009# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
3010 STMT_START { \
3011 I32 evalue = (I32)n; \
3012 PL_statusvalue = evalue; \
e08e1e1d
JM
3013 if (MY_POSIX_EXIT) { \
3014 if (evalue <= 0xFF00) { \
3015 if (evalue > 0xFF) \
3016 evalue = (evalue >> child_offset_bits) & 0xFF; \
3017 PL_statusvalue_vms = \
3018 (C_FAC_POSIX | (evalue << 3 ) | \
3019 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3020 } else /* forgive them Perl, for they have sinned */ \
3021 PL_statusvalue_vms = evalue; \
3022 } else { \
3023 if (evalue == 0) \
3024 PL_statusvalue_vms = SS$_NORMAL; \
3025 else if (evalue <= 0xFF00) \
3026 PL_statusvalue_vms = SS$_ABORT; \
3027 else { /* forgive them Perl, for they have sinned */ \
3028 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3029 else PL_statusvalue_vms = vaxc$errno; \
3030 /* And obviously used a VMS status value instead of UNIX */ \
3031 PL_statusvalue = EVMSERR; \
3032 } \
3033 set_vaxc_errno(PL_statusvalue_vms); \
3034 } \
68dc0745 3035 } STMT_END
fb38d079 3036
e08e1e1d 3037
6ac6a52b
JM
3038 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3039 * and sets the NATIVE error status based on it. This special case
3040 * is needed to maintain compatibility with past VMS behavior.
3041 *
3042 * In the default mode on VMS, this number is passed through as
3043 * both the NATIVE and UNIX status. Which makes it different
3044 * that the STATUS_UNIX_EXIT_SET.
3045 *
3046 * In the new POSIX EXIT mode, native status will be set so that the
3047 * actual exit code will can be retrieved by the calling program or
3048 * shell.
3049 *
1a3aec58
JM
3050 * A POSIX exit code is from 0 to 255. If the exit code is higher
3051 * than this, it needs to be assumed that it is a VMS exit code and
3052 * passed through.
6ac6a52b
JM
3053 */
3054
3055# define STATUS_EXIT_SET(n) \
3056 STMT_START { \
3057 I32 evalue = (I32)n; \
3058 PL_statusvalue = evalue; \
3059 if (MY_POSIX_EXIT) \
1a3aec58
JM
3060 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3061 PL_statusvalue_vms = \
3062 (C_FAC_POSIX | (evalue << 3 ) | \
3063 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3064 else \
3065 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3066 set_vaxc_errno(PL_statusvalue_vms); \
3067 } STMT_END
3068
fb38d079
JM
3069
3070 /* This macro forces a success status */
7a7fd8e0
JM
3071# define STATUS_ALL_SUCCESS \
3072 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3073
3074 /* This macro forces a failure status */
7a7fd8e0
JM
3075# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3076 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3077 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3078
68dc0745 3079#else
e5218da5 3080# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3081# if defined(WCOREDUMP)
37038d91 3082# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3083 STMT_START { \
3084 PL_statusvalue_posix = (n); \
3085 if (PL_statusvalue_posix == -1) \
3086 PL_statusvalue = -1; \
3087 else { \
3088 PL_statusvalue = \
3089 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3090 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3091 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3092 } \
3093 } STMT_END
3094# elif defined(WIFEXITED)
37038d91 3095# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3096 STMT_START { \
3097 PL_statusvalue_posix = (n); \
3098 if (PL_statusvalue_posix == -1) \
3099 PL_statusvalue = -1; \
3100 else { \
3101 PL_statusvalue = \
3102 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3103 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3104 } \
3105 } STMT_END
3106# else
37038d91 3107# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3108 STMT_START { \
3109 PL_statusvalue_posix = (n); \
3110 if (PL_statusvalue_posix == -1) \
3111 PL_statusvalue = -1; \
3112 else { \
3113 PL_statusvalue = \
3114 PL_statusvalue_posix & 0xFFFF; \
3115 } \
3116 } STMT_END
3117# endif
3118# define STATUS_UNIX_SET(n) \
68dc0745 3119 STMT_START { \
3280af22
NIS
3120 PL_statusvalue = (n); \
3121 if (PL_statusvalue != -1) \
3122 PL_statusvalue &= 0xFFFF; \
68dc0745 3123 } STMT_END
7a7fd8e0 3124# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3125# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3126# define STATUS_CURRENT STATUS_UNIX
37038d91 3127# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3128# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3129# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3130#endif
3131
cc3604b1
GS
3132/* flags in PL_exit_flags for nature of exit() */
3133#define PERL_EXIT_EXPECTED 0x01
31d77e54 3134#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3135
b79b76e0 3136#ifndef PERL_CORE
a7cb1f99 3137/* format to use for version numbers in file/directory names */
273cf8d1 3138/* XXX move to Configure? */
b79b76e0
NC
3139/* This was only ever used for the current version, and that can be done at
3140 compile time, as PERL_FS_VERSION, so should we just delete it? */
3141# ifndef PERL_FS_VER_FMT
3142# define PERL_FS_VER_FMT "%d.%d.%d"
3143# endif
3144#endif
3145
3146#ifndef PERL_FS_VERSION
3147# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3148#endif
3149
45bc9206 3150/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3151 * performance issue, so we allow people to disable it. Also, if
3152 * we are using stdio, there are broken implementations of fflush(NULL)
3153 * out there, Solaris being the most prominent.
45bc9206
GS
3154 */
3155#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3156# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3157# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3158# else
3159# ifdef FFLUSH_ALL
3160# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3161# else
c5be433b 3162# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3163# endif
66fe083f 3164# endif
45bc9206
GS
3165#endif
3166
7766f137
GS
3167#ifndef PERL_WAIT_FOR_CHILDREN
3168# define PERL_WAIT_FOR_CHILDREN NOOP
3169#endif
3170
ba869deb 3171/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3172#ifndef PERL_SET_INTERP
3173# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3174#endif
3175
3176#ifndef PERL_GET_INTERP
3177# define PERL_GET_INTERP (PL_curinterp)
3178#endif
3179
54aff467 3180#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3181# ifdef MULTIPLICITY
ba869deb 3182# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3183# endif
ba869deb
GS
3184# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3185#endif
3186
00f254e2 3187/*
8896765a 3188 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3189 All that is required is that the perl source does not
00f254e2
KW
3190 use "%-p" or "%-<number>p" or "%<number>p" formats.
3191 These formats will still work in perl code.
486ec47a 3192 See comments in sv.c for further details.
8896765a 3193
8896765a 3194 Robin Barker 2005-07-14
f46d31f2 3195
00f254e2 3196 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3197*/
8896765a
RB
3198
3199#ifndef SVf_
63ce7bf0 3200# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3201#endif
3202
8896765a 3203#ifndef SVf
104abab4 3204# define SVf "-p"
d2560b70
RB
3205#endif
3206
014ead4b 3207#ifndef SVf32
8896765a 3208# define SVf32 SVf_(32)
014ead4b
RB
3209#endif
3210
3211#ifndef SVf256
8896765a
RB
3212# define SVf256 SVf_(256)
3213#endif
3214
be2597df
MHM
3215#define SVfARG(p) ((void*)(p))
3216
20023040
FC
3217#ifndef HEKf
3218# define HEKf "2p"
3219#endif
3220
b8fa5213
FC
3221/* Not ideal, but we cannot easily include a number in an already-numeric
3222 * format sequence. */
3223#ifndef HEKf256
3224# define HEKf256 "3p"
3225#endif
3226
20023040
FC
3227#define HEKfARG(p) ((void*)(p))
3228
f46d31f2 3229#ifdef PERL_CORE
486ec47a 3230/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3231# undef VDf
3232#else
3233# ifndef VDf
8896765a
RB
3234# define VDf "vd"
3235# endif
014ead4b 3236#endif
170cd9e9
NC
3237
3238#ifdef PERL_CORE
486ec47a 3239/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3240# undef UVf
3241#else
170cd9e9
NC
3242# ifndef UVf
3243# define UVf UVuf
3244# endif
d2560b70
RB
3245#endif
3246
fcdf39cf
RGS
3247#ifdef HASATTRIBUTE_DEPRECATED
3248# define __attribute__deprecated__ __attribute__((deprecated))
3249#endif
0dbb1585
AL
3250#ifdef HASATTRIBUTE_FORMAT
3251# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3252#endif
3253#ifdef HASATTRIBUTE_MALLOC
77785eea 3254# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3255#endif
0dbb1585 3256#ifdef HASATTRIBUTE_NONNULL
abb2c242 3257# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3258#endif
0dbb1585 3259#ifdef HASATTRIBUTE_NORETURN
abb2c242 3260# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3261#endif
0dbb1585 3262#ifdef HASATTRIBUTE_PURE
abb2c242 3263# define __attribute__pure__ __attribute__((pure))
f22be1b8 3264#endif
0dbb1585
AL
3265#ifdef HASATTRIBUTE_UNUSED
3266# define __attribute__unused__ __attribute__((unused))
3267#endif
3268#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3269# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3270#endif
3271
0dbb1585 3272/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3273#ifndef __attribute__deprecated__
3274# define __attribute__deprecated__
3275#endif
0dbb1585
AL
3276#ifndef __attribute__format__
3277# define __attribute__format__(x,y,z)
3278#endif
f22be1b8 3279#ifndef __attribute__malloc__
abb2c242 3280# define __attribute__malloc__
f22be1b8
JH
3281#endif
3282#ifndef __attribute__nonnull__
abb2c242 3283# define __attribute__nonnull__(a)
f22be1b8
JH
3284#endif
3285#ifndef __attribute__noreturn__
abb2c242 3286# define __attribute__noreturn__
f22be1b8
JH
3287#endif
3288#ifndef __attribute__pure__
abb2c242 3289# define __attribute__pure__
f22be1b8 3290#endif
0dbb1585
AL
3291#ifndef __attribute__unused__
3292# define __attribute__unused__
3293#endif
f22be1b8 3294#ifndef __attribute__warn_unused_result__
abb2c242
JH
3295# define __attribute__warn_unused_result__
3296#endif
3297
0dbb1585
AL
3298/* For functions that are marked as __attribute__noreturn__, it's not
3299 appropriate to call return. In either case, include the lint directive.
3300 */
3301#ifdef HASATTRIBUTE_NORETURN
118e2215 3302# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3303#else
118e2215 3304# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3305#endif
3306
cdfeb707
RB
3307/* Some OS warn on NULL format to printf */
3308#ifdef PRINTF_FORMAT_NULL_OK
3309# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3310#else
00f254e2 3311# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3312#endif
3313
635aebb7 3314#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3315# define EXPECT(expr,val) __builtin_expect(expr,val)
3316#else
3317# define EXPECT(expr,val) (expr)
3318#endif
3319#define LIKELY(cond) EXPECT(cond,1)
3320#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3321#ifdef HAS_BUILTIN_CHOOSE_EXPR
3322/* placeholder */
3323#endif
b37c2d43 3324
3fc1aec6
PP
3325/* Some unistd.h's give a prototype for pause() even though
3326 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3327 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3328*/
3329#ifdef HAS_PAUSE
3330#define Pause pause
3331#else
3332#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3333#endif
3334
3335#ifndef IOCPARM_LEN
3336# ifdef IOCPARM_MASK
61f1c44b 3337 /* on BSDish systems we're safe */
748a9306
LW
3338# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3339# else
61f1c44b 3340# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3341 /* on Linux systems we're safe; except when we're not [perl #38223] */
3342# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3343# else
748a9306 3344 /* otherwise guess at what's safe */
61f1c44b
JVD
3345# define IOCPARM_LEN(x) 256
3346# endif
748a9306 3347# endif
a0d0e21e
LW
3348#endif
3349
1761cee5 3350#if defined(__CYGWIN__)
521e0776
GS
3351/* USEMYBINMODE
3352 * This symbol, if defined, indicates that the program should
16fe6d59 3353 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3354 * that a file is in "binary" mode -- that is, that no translation
3355 * of bytes occurs on read or write operations.
3356 */
36894f0b 3357# define USEMYBINMODE /**/
77a40698 3358# include <io.h> /* for setmode() prototype */
16fe6d59 3359# define my_binmode(fp, iotype, mode) \
77a40698 3360 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3361#endif
3362
88d10794
JH
3363#ifdef __CYGWIN__
3364void init_os_extras(void);
3365#endif
3366
cea2e8a9
GS
3367#ifdef UNION_ANY_DEFINITION
3368UNION_ANY_DEFINITION;
3369#else
3370union any {
3371 void* any_ptr;
3372 I32 any_i32;
3373 IV any_iv;
c6bf6a65 3374 UV any_uv;
cea2e8a9 3375 long any_long;
9febdf04 3376 bool any_bool;
c76ac1ee 3377 void (*any_dptr) (void*);
acfe0abc 3378 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3379};
3380#endif
3381
acfe0abc 3382typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3383
3384#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3385#define FILTER_DATA(idx) \
3386 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3387#define FILTER_ISREADER(idx) \
3388 (PL_parser && PL_parser->rsfp_filters \
3389 && idx >= AvFILLp(PL_parser->rsfp_filters))
3390#define PERL_FILTER_EXISTS(i) \
3391 (PL_parser && PL_parser->rsfp_filters \
3392 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3393
c5078cac
JH
3394#if defined(_AIX) && !defined(_AIX43)
3395#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3396/* We cannot include <crypt.h> to get the struct crypt_data
3397 * because of setkey prototype problems when threading */
3398typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3399 /* From OSF, Not needed in AIX
3400 char C[28], D[28];
3401 */
3402 char E[48];
3403 char KS[16][48];
3404 char block[66];
3405 char iobuf[16];
3406} CRYPTD;
3407#endif /* threading */
3408#endif /* AIX */
3409
e37778c2 3410#if !defined(OS2)
2c2d71f5
JH
3411# include "iperlsys.h"
3412#endif
504f80c1 3413
9c12f1e5 3414#ifdef __LIBCATAMOUNT__
00f254e2 3415#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3416#undef HAS_GROUP
3417#define FAKE_BIT_BUCKET
3418#endif
3419
d10dc2ae
JH
3420/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3421 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3422 * defined by Configure, despite their names being similar to the
3423 * other defines like USE_ITHREADS. Configure in fact knows nothing
3424 * about the randomised hashes. Therefore to enable/disable the hash
3425 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3426#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3427# define USE_HASH_SEED
504f80c1
JH
3428#endif
3429
598921a7
NC
3430/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3431 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3432 * it's not really needed.
3433 */
3434#if defined(WIN32)
3435# define YYTOKENTYPE
3436#endif
3437#include "perly.h"
3438
3439#ifdef PERL_MAD
3440struct nexttoken {
3441 YYSTYPE next_val; /* value of next token, if any */
3442 I32 next_type; /* type of next token */
3443 MADPROP *next_mad; /* everything else about that token */
3444};
3445#endif
3446
654eccd5
JD
3447/* macros to define bit-fields in structs. */
3448#ifndef PERL_BITFIELD8
3449# define PERL_BITFIELD8 unsigned
3450#endif
3451#ifndef PERL_BITFIELD16
3452# define PERL_BITFIELD16 unsigned
3453#endif
3454#ifndef PERL_BITFIELD32
3455# define PERL_BITFIELD32 unsigned
3456#endif
3457
79072805 3458#include "sv.h"
288b8c02 3459#include "regexp.h"
378cc40b 3460#include "util.h"
8d063cd8 3461#include "form.h"
79072805 3462#include "gv.h"
dd2155a4 3463#include "pad.h"
79072805 3464#include "cv.h"
abdd5c84 3465#include "opnames.h"
79072805 3466#include "op.h"
b3ca2e83 3467#include "hv.h"
79072805
LW
3468#include "cop.h"
3469#include "av.h"
79072805
LW
3470#include "mg.h"
3471#include "scope.h"
4438c4b7 3472#include "warnings.h"
a0ed51b3 3473#include "utf8.h"
8d063cd8 3474
0d7d409d
DM
3475/* these would be in doio.h if there was such a file */
3476#define my_stat() my_stat_flags(SV_GMAGIC)
3477#define my_lstat() my_lstat_flags(SV_GMAGIC)
3478
20f4945e 3479/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3480#undef _XPV_HEAD
3481#undef _XPVMG_HEAD
3482#undef _XPVCV_COMMON
7fae4e64
GS
3483
3484typedef struct _sublex_info SUBLEXINFO;
3485struct _sublex_info {
651b5b28
NC
3486 U8 super_state; /* lexer state to save */
3487 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3488 OP *sub_op; /* "lex_op" to use */
7cc34111 3489 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3490};
3491
199e78b7
DM
3492#include "parser.h"
3493
455ece5e 3494typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3495
2c2d71f5 3496struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3497struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3498
5f7fde29
GS
3499struct ptr_tbl_ent {
3500 struct ptr_tbl_ent* next;
53c1dcc0 3501 const void* oldval;
5f7fde29 3502 void* newval;
d18c6117
GS
3503};
3504
5f7fde29
GS
3505struct ptr_tbl {
3506 struct ptr_tbl_ent** tbl_ary;
3507 UV tbl_max;
3508 UV tbl_items;
db93c0c4
NC
3509 struct ptr_tbl_arena *tbl_arena;
3510 struct ptr_tbl_ent *tbl_arena_next;
3511 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3512};
3513
fe14fcc3
LW
3514#if defined(htonl) && !defined(HAS_HTONL)
3515#define HAS_HTONL
ae986130 3516#endif
fe14fcc3
LW
3517#if defined(htons) && !defined(HAS_HTONS)
3518#define HAS_HTONS
ae986130 3519#endif
fe14fcc3
LW
3520#if defined(ntohl) && !defined(HAS_NTOHL)
3521#define HAS_NTOHL
ae986130 3522#endif
fe14fcc3
LW
3523#if defined(ntohs) && !defined(HAS_NTOHS)
3524#define HAS_NTOHS
ae986130 3525#endif
fe14fcc3 3526#ifndef HAS_HTONL
d9d8d8de 3527#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3528#define HAS_HTONS
3529#define HAS_HTONL
3530#define HAS_NTOHS
3531#define HAS_NTOHL
a687059c
LW
3532#define MYSWAP
3533#define htons my_swap
3534#define htonl my_htonl
3535#define ntohs my_swap
3536#define ntohl my_ntohl
3537#endif
3538#else
d9d8d8de 3539#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3540#undef HAS_HTONS
3541#undef HAS_HTONL
3542#undef HAS_NTOHS
3543#undef HAS_NTOHL
a687059c
LW
3544#endif
3545#endif
3546
988174c1
LW
3547/*
3548 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3549 * -DWS
3550 */
3551#if BYTEORDER != 0x1234
3552# define HAS_VTOHL
3553# define HAS_VTOHS
3554# define HAS_HTOVL
3555# define HAS_HTOVS
c67712b2 3556# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3557# define vtohl(x) ((((x)&0xFF)<<24) \
3558 +(((x)>>24)&0xFF) \
3559 +(((x)&0x0000FF00)<<8) \
3560 +(((x)&0x00FF0000)>>8) )
3561# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3562# define htovl(x) vtohl(x)
3563# define htovs(x) vtohs(x)
3564# endif
3565 /* otherwise default to functions in util.c */
2a8c3029 3566#ifndef htovs
c623ac67
GS
3567short htovs(short n);
3568short vtohs(short n);
3569long htovl(long n);
3570long vtohl(long n);
988174c1 3571#endif
2a8c3029 3572#endif
988174c1 3573
3bb7c1b4
JH
3574/* *MAX Plus 1. A floating point value.
3575 Hopefully expressed in a way that dodgy floating point can't mess up.
3576 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3577 is added to it
3578 May find that some broken compiler will want the value cast to I32.
3579 [after the shift, as signed >> may not be as secure as unsigned >>]
3580*/
3581#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3582#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3583/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3584 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3585 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3586*/
3587#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3588
3bb7c1b4
JH
3589#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3590#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3591#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3592
3593/* This may look like unnecessary jumping through hoops, but converting
3594 out of range floating point values to integers *is* undefined behaviour,
3595 and it is starting to bite.
3596*/
3597#ifndef CAST_INLINE
65202027 3598#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3599#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3600#define I_V(what) (cast_iv((NV)(what)))
3601#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3602#else
3603#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3604 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3605 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3606#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3607 : ((n) < U32_MAX_P1 ? (U32) (n) \
3608 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3609#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3610 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3611 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3612#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3613 : ((n) < UV_MAX_P1 ? (UV) (n) \
3614 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3615#endif
3616
3617#define U_S(what) ((U16)U_32(what))
3618#define U_I(what) ((unsigned int)U_32(what))
3619#define U_L(what) U_32(what)
ed6116ce 3620
ed140128
AD
3621#ifdef HAS_SIGNBIT
3622# define Perl_signbit signbit
3623#endif
3624
2d4389e4
JH
3625/* These do not care about the fractional part, only about the range. */
3626#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3627#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3628
25da4f38
IZ
3629/* Used with UV/IV arguments: */
3630 /* XXXX: need to speed it up */
3631#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3632#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3633
352d5a3a
LW
3634#ifndef MAXSYSFD
3635# define MAXSYSFD 2
3636#endif
ee0007ab 3637
79072805 3638#ifndef __cplusplus
e37d7e38 3639#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3640Uid_t getuid (void);
3641Uid_t geteuid (void);
3642Gid_t getgid (void);
3643Gid_t getegid (void);
79072805 3644#endif
e1caacb4 3645#endif
8d063cd8 3646
0c30d9ec 3647#ifndef Perl_debug_log
bf49b057
GS
3648# define Perl_debug_log PerlIO_stderr()
3649#endif
3650
3651#ifndef Perl_error_log
3652# define Perl_error_log (PL_stderrgv \
6b78add2 3653 && isGV(PL_stderrgv) \
01bb7c6d 3654 && GvIOp(PL_stderrgv) \
42de951c 3655 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3656 ? IoOFP(GvIOp(PL_stderrgv)) \
3657 : PerlIO_stderr())
0c30d9ec 3658#endif
3967c732 3659
aea4f609
DM
3660
3661#define DEBUG_p_FLAG 0x00000001 /* 1 */
3662#define DEBUG_s_FLAG 0x00000002 /* 2 */
3663#define DEBUG_l_FLAG 0x00000004 /* 4 */
3664#define DEBUG_t_FLAG 0x00000008 /* 8 */
3665#define DEBUG_o_FLAG 0x00000010 /* 16 */
3666#define DEBUG_c_FLAG 0x00000020 /* 32 */
3667#define DEBUG_P_FLAG 0x00000040 /* 64 */
3668#define DEBUG_m_FLAG 0x00000080 /* 128 */
3669#define DEBUG_f_FLAG 0x00000100 /* 256 */
3670#define DEBUG_r_FLAG 0x00000200 /* 512 */
3671#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3672#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3673/* U is reserved for Unofficial, exploratory hacking */
3674#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3675#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3676#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3677#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3678#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3679#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3680#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3681#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3682#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3683#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3684#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3685#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3686#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3687#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3688#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3689
3690#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3691#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3692 that something was done? */
aea4f609 3693
bd16a5f0
IZ
3694# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3695# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3696# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3697# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3698# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3699# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3700# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3701# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3702# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3703# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3704# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3705# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3706# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3707# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3708# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3709# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3710# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3711# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3712# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3713# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3714# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3715# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3716# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3717# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3718# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3719# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3720# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3721# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3722# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3723
3967c732 3724#ifdef DEBUGGING
aea4f609 3725
bd16a5f0
IZ
3726# define DEBUG_p_TEST DEBUG_p_TEST_
3727# define DEBUG_s_TEST DEBUG_s_TEST_
3728# define DEBUG_l_TEST DEBUG_l_TEST_
3729# define DEBUG_t_TEST DEBUG_t_TEST_
3730# define DEBUG_o_TEST DEBUG_o_TEST_
3731# define DEBUG_c_TEST DEBUG_c_TEST_
3732# define DEBUG_P_TEST DEBUG_P_TEST_
3733# define DEBUG_m_TEST DEBUG_m_TEST_
3734# define DEBUG_f_TEST DEBUG_f_TEST_
3735# define DEBUG_r_TEST DEBUG_r_TEST_
3736# define DEBUG_x_TEST DEBUG_x_TEST_
3737# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3738# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3739# define DEBUG_H_TEST DEBUG_H_TEST_
3740# define DEBUG_X_TEST DEBUG_X_TEST_
3741# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3742# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3743# define DEBUG_T_TEST DEBUG_T_TEST_
3744# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3745# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3746# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3747# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3748# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3749# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3750# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3751# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3752# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3753# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3754# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3755
488b0c7a
JH
3756# define PERL_DEB(a) a
3757# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3758# define DEBUG_p(a) if (DEBUG_p_TEST) a
3759# define DEBUG_s(a) if (DEBUG_s_TEST) a
3760# define DEBUG_l(a) if (DEBUG_l_TEST) a
3761# define DEBUG_t(a) if (DEBUG_t_TEST) a
3762# define DEBUG_o(a) if (DEBUG_o_TEST) a
3763# define DEBUG_c(a) if (DEBUG_c_TEST) a
3764# define DEBUG_P(a) if (DEBUG_P_TEST) a
3765
969058bb
VK
3766 /* Temporarily turn off memory debugging in case the a
3767 * does memory allocation, either directly or indirectly. */
acfe0abc 3768# define DEBUG_m(a) \
0b250b9e 3769 STMT_START { \
aea4f609 3770 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3771 } STMT_END
aea4f609 3772
5f80b19c
AMS
3773# define DEBUG__(t, a) \
3774 STMT_START { \
3775 if (t) STMT_START {a;} STMT_END; \
3776 } STMT_END
3777
3778# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3779#ifndef PERL_EXT_RE_BUILD
5f80b19c 3780# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3781#else
3782# define DEBUG_r(a) STMT_START {a;} STMT_END
3783#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3784# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3785# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3786# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3787# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3788# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3789# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3790# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3791# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)