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perldelta - Add remaining changes not yet documented
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
00f254e2 31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
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37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
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44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
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47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
6f4183fe 51#ifdef USE_ITHREADS
acfe0abc 52# if !defined(MULTIPLICITY)
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53# define MULTIPLICITY
54# endif
55#endif
56
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57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
97aff369 62
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63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
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69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
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75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
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81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
a0fd4948 87#ifdef __SYMBIAN32__
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88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
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
c5be433b
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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
f8149455
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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,
0cb96387
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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));
462e5cf6
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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JH
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
d6f9c181
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__)
352d5a3a
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
3280af22
NIS
531#define TAINT (PL_tainted = TRUE)
532#define TAINT_NOT (PL_tainted = FALSE)
533#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
534#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 535#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 536
20be6587
DM
537/* flags used internally only within pp_subst and pp_substcont */
538#ifdef PERL_CORE
539# define SUBST_TAINT_STR 1 /* string tainted */
540# define SUBST_TAINT_PAT 2 /* pattern tainted */
541# define SUBST_TAINT_REPL 4 /* replacement tainted */
542# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
543# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
544#endif
545
d460ef45 546/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
547 defines move there? If so, I could simplify this a lot. --AD 9/96.
548*/
549/* Process group stuff changed from traditional BSD to POSIX.
550 perlfunc.pod documents the traditional BSD-style syntax, so we'll
551 try to preserve that, if possible.
552*/
553#ifdef HAS_SETPGID
554# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 555#else
a6e633de
PP
556# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
557# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
558# else
559# ifdef HAS_SETPGRP2 /* DG/UX */
560# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
561# endif
562# endif
563#endif
564#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
565# define HAS_SETPGRP /* Well, effectively it does . . . */
566#endif
567
568/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
569 our life easier :-) so we'll try it.
570*/
571#ifdef HAS_GETPGID
572# define BSD_GETPGRP(pid) getpgid((pid))
573#else
574# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
575# define BSD_GETPGRP(pid) getpgrp((pid))
576# else
577# ifdef HAS_GETPGRP2 /* DG/UX */
578# define BSD_GETPGRP(pid) getpgrp2((pid))
579# endif
580# endif
581#endif
582#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
583# define HAS_GETPGRP /* Well, effectively it does . . . */
584#endif
585
d460ef45 586/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
587 have different behaviors, but perl.h used to define USE_BSDPGRP
588 (prior to 5.003_05) so some extension might depend on it.
589*/
590#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
591# ifndef USE_BSDPGRP
592# define USE_BSDPGRP
593# endif
663a0e37
LW
594#endif
595
486ec47a 596/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
597 pthread.h must be included before all other header files.
598*/
3db8f154 599#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
600# include <pthread.h>
601#endif
602
760ac839
LW
603#ifndef _TYPES_ /* If types.h defines this it's easy. */
604# ifndef major /* Does everyone's types.h define this? */
605# include <sys/types.h>
c07a80fd 606# endif
663a0e37
LW
607#endif
608
760ac839
LW
609#ifdef __cplusplus
610# ifndef I_STDARG
611# define I_STDARG 1
612# endif
613#endif
614
615#ifdef I_STDARG
616# include <stdarg.h>
617#else
618# ifdef I_VARARGS
619# include <varargs.h>
620# endif
621#endif
622
4633a7c4 623#ifdef USE_NEXT_CTYPE
0c30d9ec 624
092bebab
JH
625#if NX_CURRENT_COMPILER_RELEASE >= 500
626# include <bsd/ctypes.h>
627#else
628# if NX_CURRENT_COMPILER_RELEASE >= 400
629# include <objc/NXCType.h>
630# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
631# include <appkit/NXCType.h>
632# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
633#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
634
635#else /* !USE_NEXT_CTYPE */
fe14fcc3 636#include <ctype.h>
0c30d9ec 637#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
638
639#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
640#undef METHOD
a0d0e21e
LW
641#endif
642
12ae5dfc
JH
643#ifdef PERL_MICRO
644# define NO_LOCALE
645#endif
646
4633a7c4 647#ifdef I_LOCALE
36477c24 648# include <locale.h>
4633a7c4
LW
649#endif
650
36477c24
PP
651#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
652# define USE_LOCALE
653# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
654 && defined(HAS_STRXFRM)
655# define USE_LOCALE_COLLATE
656# endif
657# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
658# define USE_LOCALE_CTYPE
659# endif
660# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
661# define USE_LOCALE_NUMERIC
662# endif
663#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 664
fe14fcc3 665#include <setjmp.h>
79072805 666
a0d0e21e 667#ifdef I_SYS_PARAM
79072805
LW
668# ifdef PARAM_NEEDS_TYPES
669# include <sys/types.h>
670# endif
671# include <sys/param.h>
352d5a3a 672#endif
79072805 673
79072805 674/* Use all the "standard" definitions? */
a0d0e21e 675#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 676# include <stdlib.h>
ff68c719 677#endif
03a14243 678
3f270f98
JH
679/* If this causes problems, set i_unistd=undef in the hint file. */
680#ifdef I_UNISTD
681# include <unistd.h>
682#endif
683
de8ca8af
NT
684/* for WCOREDUMP */
685#ifdef I_SYS_WAIT
686# include <sys/wait.h>
687#endif
688
9969cdde 689#ifdef __SYMBIAN32__
27da23d5
JH
690# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
691#endif
692
7114a2d2 693#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 694EXTERN_C int syscall(int, ...);
2ef53570
JH
695#endif
696
7114a2d2 697#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 698EXTERN_C int usleep(unsigned int);
2ef53570
JH
699#endif
700
9c12f1e5
RGS
701/* Funky places that do not have socket stuff. */
702#if defined(__LIBCATAMOUNT__)
703# define MYSWAP
704#endif
705
9a34ef1d
GS
706#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
707# define MYSWAP
708#endif
709
1109a392
MHM
710#ifdef PERL_CORE
711
712/* macros for correct constant construction */
713# if INTSIZE >= 2
714# define U16_CONST(x) ((U16)x##U)
715# else
716# define U16_CONST(x) ((U16)x##UL)
717# endif
718
719# if INTSIZE >= 4
720# define U32_CONST(x) ((U32)x##U)
721# else
722# define U32_CONST(x) ((U32)x##UL)
723# endif
724
725# ifdef HAS_QUAD
726# if INTSIZE >= 8
727# define U64_CONST(x) ((U64)x##U)
728# elif LONGSIZE >= 8
729# define U64_CONST(x) ((U64)x##UL)
730# elif QUADKIND == QUAD_IS_LONG_LONG
731# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
732# elif QUADKIND == QUAD_IS___INT64
733# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
734# else /* best guess we can make */
735# define U64_CONST(x) ((U64)x##UL)
736# endif
737# endif
738
739/* byte-swapping functions for big-/little-endian conversion */
740# define _swab_16_(x) ((U16)( \
741 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
742 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
743
744# define _swab_32_(x) ((U32)( \
745 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
746 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
747 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
748 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
749
750# ifdef HAS_QUAD
751# define _swab_64_(x) ((U64)( \
752 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
753 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
754 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
755 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
756 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
757 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
758 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
759 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
760# endif
761
762/*----------------------------------------------------------------------------*/
763# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
764/*----------------------------------------------------------------------------*/
765# define my_htole16(x) (x)
766# define my_letoh16(x) (x)
767# define my_htole32(x) (x)
768# define my_letoh32(x) (x)
769# define my_htobe16(x) _swab_16_(x)
770# define my_betoh16(x) _swab_16_(x)
771# define my_htobe32(x) _swab_32_(x)
772# define my_betoh32(x) _swab_32_(x)
773# ifdef HAS_QUAD
774# define my_htole64(x) (x)
775# define my_letoh64(x) (x)
776# define my_htobe64(x) _swab_64_(x)
777# define my_betoh64(x) _swab_64_(x)
778# endif
779# define my_htoles(x) (x)
780# define my_letohs(x) (x)
781# define my_htolei(x) (x)
782# define my_letohi(x) (x)
783# define my_htolel(x) (x)
784# define my_letohl(x) (x)
785# if SHORTSIZE == 1
786# define my_htobes(x) (x)
787# define my_betohs(x) (x)
788# elif SHORTSIZE == 2
789# define my_htobes(x) _swab_16_(x)
790# define my_betohs(x) _swab_16_(x)
791# elif SHORTSIZE == 4
792# define my_htobes(x) _swab_32_(x)
793# define my_betohs(x) _swab_32_(x)
794# elif SHORTSIZE == 8
795# define my_htobes(x) _swab_64_(x)
796# define my_betohs(x) _swab_64_(x)
797# else
798# define PERL_NEED_MY_HTOBES
799# define PERL_NEED_MY_BETOHS
800# endif
801# if INTSIZE == 1
802# define my_htobei(x) (x)
803# define my_betohi(x) (x)
804# elif INTSIZE == 2
805# define my_htobei(x) _swab_16_(x)
806# define my_betohi(x) _swab_16_(x)
807# elif INTSIZE == 4
808# define my_htobei(x) _swab_32_(x)
809# define my_betohi(x) _swab_32_(x)
810# elif INTSIZE == 8
811# define my_htobei(x) _swab_64_(x)
812# define my_betohi(x) _swab_64_(x)
813# else
814# define PERL_NEED_MY_HTOBEI
815# define PERL_NEED_MY_BETOHI
816# endif
817# if LONGSIZE == 1
818# define my_htobel(x) (x)
819# define my_betohl(x) (x)
820# elif LONGSIZE == 2
821# define my_htobel(x) _swab_16_(x)
822# define my_betohl(x) _swab_16_(x)
823# elif LONGSIZE == 4
824# define my_htobel(x) _swab_32_(x)
825# define my_betohl(x) _swab_32_(x)
826# elif LONGSIZE == 8
827# define my_htobel(x) _swab_64_(x)
828# define my_betohl(x) _swab_64_(x)
829# else
830# define PERL_NEED_MY_HTOBEL
831# define PERL_NEED_MY_BETOHL
832# endif
833# define my_htolen(p,n) NOOP
834# define my_letohn(p,n) NOOP
835# define my_htoben(p,n) my_swabn(p,n)
836# define my_betohn(p,n) my_swabn(p,n)
837/*----------------------------------------------------------------------------*/
838# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
839/*----------------------------------------------------------------------------*/
840# define my_htobe16(x) (x)
841# define my_betoh16(x) (x)
842# define my_htobe32(x) (x)
843# define my_betoh32(x) (x)
844# define my_htole16(x) _swab_16_(x)
845# define my_letoh16(x) _swab_16_(x)
846# define my_htole32(x) _swab_32_(x)
847# define my_letoh32(x) _swab_32_(x)
848# ifdef HAS_QUAD
849# define my_htobe64(x) (x)
850# define my_betoh64(x) (x)
851# define my_htole64(x) _swab_64_(x)
852# define my_letoh64(x) _swab_64_(x)
853# endif
854# define my_htobes(x) (x)
855# define my_betohs(x) (x)
856# define my_htobei(x) (x)
857# define my_betohi(x) (x)
858# define my_htobel(x) (x)
859# define my_betohl(x) (x)
860# if SHORTSIZE == 1
861# define my_htoles(x) (x)
862# define my_letohs(x) (x)
863# elif SHORTSIZE == 2
864# define my_htoles(x) _swab_16_(x)
865# define my_letohs(x) _swab_16_(x)
866# elif SHORTSIZE == 4
867# define my_htoles(x) _swab_32_(x)
868# define my_letohs(x) _swab_32_(x)
869# elif SHORTSIZE == 8
870# define my_htoles(x) _swab_64_(x)
871# define my_letohs(x) _swab_64_(x)
872# else
873# define PERL_NEED_MY_HTOLES
874# define PERL_NEED_MY_LETOHS
875# endif
876# if INTSIZE == 1
877# define my_htolei(x) (x)
878# define my_letohi(x) (x)
879# elif INTSIZE == 2
880# define my_htolei(x) _swab_16_(x)
881# define my_letohi(x) _swab_16_(x)
882# elif INTSIZE == 4
883# define my_htolei(x) _swab_32_(x)
884# define my_letohi(x) _swab_32_(x)
885# elif INTSIZE == 8
886# define my_htolei(x) _swab_64_(x)
887# define my_letohi(x) _swab_64_(x)
888# else
889# define PERL_NEED_MY_HTOLEI
890# define PERL_NEED_MY_LETOHI
891# endif
892# if LONGSIZE == 1
893# define my_htolel(x) (x)
894# define my_letohl(x) (x)
895# elif LONGSIZE == 2
896# define my_htolel(x) _swab_16_(x)
897# define my_letohl(x) _swab_16_(x)
898# elif LONGSIZE == 4
899# define my_htolel(x) _swab_32_(x)
900# define my_letohl(x) _swab_32_(x)
901# elif LONGSIZE == 8
902# define my_htolel(x) _swab_64_(x)
903# define my_letohl(x) _swab_64_(x)
904# else
905# define PERL_NEED_MY_HTOLEL
906# define PERL_NEED_MY_LETOHL
907# endif
908# define my_htolen(p,n) my_swabn(p,n)
909# define my_letohn(p,n) my_swabn(p,n)
910# define my_htoben(p,n) NOOP
911# define my_betohn(p,n) NOOP
912/*----------------------------------------------------------------------------*/
913# else /* all other byte-orders */
914/*----------------------------------------------------------------------------*/
915# define PERL_NEED_MY_HTOLE16
916# define PERL_NEED_MY_LETOH16
917# define PERL_NEED_MY_HTOBE16
918# define PERL_NEED_MY_BETOH16
919# define PERL_NEED_MY_HTOLE32
920# define PERL_NEED_MY_LETOH32
921# define PERL_NEED_MY_HTOBE32
922# define PERL_NEED_MY_BETOH32
923# ifdef HAS_QUAD
924# define PERL_NEED_MY_HTOLE64
925# define PERL_NEED_MY_LETOH64
926# define PERL_NEED_MY_HTOBE64
927# define PERL_NEED_MY_BETOH64
928# endif
929# define PERL_NEED_MY_HTOLES
930# define PERL_NEED_MY_LETOHS
931# define PERL_NEED_MY_HTOBES
932# define PERL_NEED_MY_BETOHS
933# define PERL_NEED_MY_HTOLEI
934# define PERL_NEED_MY_LETOHI
935# define PERL_NEED_MY_HTOBEI
936# define PERL_NEED_MY_BETOHI
937# define PERL_NEED_MY_HTOLEL
938# define PERL_NEED_MY_LETOHL
939# define PERL_NEED_MY_HTOBEL
940# define PERL_NEED_MY_BETOHL
941/*----------------------------------------------------------------------------*/
942# endif /* end of byte-order macros */
943/*----------------------------------------------------------------------------*/
944
9c17f24a
NC
945/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
946 at least on FreeBSD. YMMV, so experiment. */
947#ifndef PERL_ARENA_SIZE
948#define PERL_ARENA_SIZE 4080
949#endif
950
ccb2c8b8 951/* Maximum level of recursion */
2b9dff67
RGS
952#ifndef PERL_SUB_DEPTH_WARN
953#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
954#endif
955
1109a392
MHM
956#endif /* PERL_CORE */
957
bdf3085f
NC
958/* We no longer default to creating a new SV for GvSV.
959 Do this before embed. */
960#ifndef PERL_CREATE_GVSV
7459f06b
NC
961# ifndef PERL_DONT_CREATE_GVSV
962# define PERL_DONT_CREATE_GVSV
963# endif
bdf3085f
NC
964#endif
965
ca0c25f6
NC
966#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
967#define PERL_USES_PL_PIDSTATUS
968#endif
969
e37778c2 970#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS
971#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
972#endif
973
c31fac66
GS
974#define MEM_SIZE Size_t
975
1936d2a7
NC
976/* Round all values passed to malloc up, by default to a multiple of
977 sizeof(size_t)
978*/
979#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
980#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
981#endif
982
f1200559
WH
983/* sv_grow() will expand strings by at least a certain percentage of
984 the previously *used* length to avoid excessive calls to realloc().
985 The default is 25% of the current length.
986*/
987#ifndef PERL_STRLEN_EXPAND_SHIFT
988# define PERL_STRLEN_EXPAND_SHIFT 2
989#endif
990
51371543
GS
991#if defined(STANDARD_C) && defined(I_STDDEF)
992# include <stddef.h>
993# define STRUCT_OFFSET(s,m) offsetof(s,m)
994#else
995# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
996#endif
997
9969cdde 998#ifndef __SYMBIAN32__
27da23d5
JH
999# if defined(I_STRING) || defined(__cplusplus)
1000# include <string.h>
1001# else
1002# include <strings.h>
1003# endif
51371543
GS
1004#endif
1005
55497cff
PP
1006/* This comes after <stdlib.h> so we don't try to change the standard
1007 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1008
4633a7c4 1009#ifdef MYMALLOC
86058a2d 1010# ifdef PERL_POLLUTE_MALLOC
ee13e175 1011# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
1012# define Perl_malloc malloc
1013# define Perl_calloc calloc
1014# define Perl_realloc realloc
1015# define Perl_mfree free
ee13e175 1016# endif
86058a2d
GS
1017# else
1018# define EMBEDMYMALLOC /* for compatibility */
1019# endif
827e134a 1020
651b9576
GS
1021# define safemalloc Perl_malloc
1022# define safecalloc Perl_calloc
1023# define saferealloc Perl_realloc
1024# define safefree Perl_mfree
22f7c9c9
JH
1025# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1026 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1027 code; \
1028 } STMT_END
1029# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1030 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1031# define panic_write2(s) write(2, s, strlen(s))
1032# define CHECK_MALLOC_TAINT(newval) \
1033 CHECK_MALLOC_TOO_LATE_FOR_( \
1034 if (newval) { \
1035 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1036 exit(1); })
22f7c9c9 1037# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1038 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1039 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1040 }} STMT_END;
f2517201
GS
1041#else /* MYMALLOC */
1042# define safemalloc safesysmalloc
1043# define safecalloc safesyscalloc
1044# define saferealloc safesysrealloc
1045# define safefree safesysfree
22f7c9c9
JH
1046# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1047# define CHECK_MALLOC_TAINT(newval) ((void)0)
1048# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1049#endif /* MYMALLOC */
4633a7c4 1050
fe13d51d 1051/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1052#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
1053#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1054#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1055#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1056
a0d0e21e
LW
1057#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1058#define strchr index
1059#define strrchr rindex
1060#endif
1061
16d20bd9
AD
1062#ifdef I_MEMORY
1063# include <memory.h>
1064#endif
1065
fe14fcc3 1066#ifdef HAS_MEMCPY
85e6fe83 1067# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1068# ifndef memcpy
20ce7b12 1069 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1070# endif
1071# endif
1072#else
1073# ifndef memcpy
1074# ifdef HAS_BCOPY
1075# define memcpy(d,s,l) bcopy(s,d,l)
1076# else
1077# define memcpy(d,s,l) my_bcopy(s,d,l)
1078# endif
1079# endif
1080#endif /* HAS_MEMCPY */
fe14fcc3 1081
ee0007ab 1082#ifdef HAS_MEMSET
85e6fe83 1083# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1084# ifndef memset
20ce7b12 1085 extern char *memset (char*, int, int);
ee0007ab
LW
1086# endif
1087# endif
ee0007ab 1088#else
12ae5dfc 1089# undef memset
fc36a67e 1090# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1091#endif /* HAS_MEMSET */
1092
85e6fe83 1093#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1094# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1095# define memmove(d,s,l) bcopy(s,d,l)
1096# else
2304df62 1097# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1098# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1099# else
79072805 1100# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1101# endif
352d5a3a 1102# endif
d9d8d8de 1103#endif
ee0007ab 1104
36477c24
PP
1105#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1106# undef HAS_MEMCMP
1107#endif
1108
1109#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1110# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1111# ifndef memcmp
20ce7b12 1112 extern int memcmp (char*, char*, int);
ee0007ab
LW
1113# endif
1114# endif
36477c24 1115# ifdef BUGGY_MSC
7e4e8c89 1116# pragma function(memcmp)
36477c24 1117# endif
ee0007ab
LW
1118#else
1119# ifndef memcmp
ecfc5424 1120# define memcmp my_memcmp
352d5a3a 1121# endif
36477c24 1122#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1123
fc36a67e 1124#ifndef memzero
c635e13b
PP
1125# ifdef HAS_MEMSET
1126# define memzero(d,l) memset(d,0,l)
79072805 1127# else
c635e13b
PP
1128# ifdef HAS_BZERO
1129# define memzero(d,l) bzero(d,l)
79072805 1130# else
fc36a67e 1131# define memzero(d,l) my_bzero(d,l)
79072805
LW
1132# endif
1133# endif
d9d8d8de 1134#endif
378cc40b 1135
2f42fcb0 1136#ifndef PERL_MICRO
0f27ced1
JH
1137#ifndef memchr
1138# ifndef HAS_MEMCHR
1139# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1140# endif
1141#endif
2f42fcb0 1142#endif
0f27ced1 1143
36477c24
PP
1144#ifndef HAS_BCMP
1145# ifndef bcmp
1146# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1147# endif
36477c24 1148#endif /* !HAS_BCMP */
378cc40b 1149
ae986130 1150#ifdef I_NETINET_IN
79072805 1151# include <netinet/in.h>
ae986130
LW
1152#endif
1153
28e8609d
JH
1154#ifdef I_ARPA_INET
1155# include <arpa/inet.h>
1156#endif
1157
84902520
TB
1158#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1159/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1160 * (the neo-BSD seem to do this). */
1161# undef SF_APPEND
1162#endif
1163
1aef975c 1164#ifdef I_SYS_STAT
84902520 1165# include <sys/stat.h>
1aef975c 1166#endif
79072805 1167
287a962e
JD
1168/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1169 This definition should ideally go into win32/win32.h, but S_IFIFO is
1170 used later here in perl.h before win32/win32.h is being included. */
1171#if !defined(S_IFIFO) && defined(_S_IFIFO)
1172# define S_IFIFO _S_IFIFO
1173#endif
1174
a0d0e21e
LW
1175/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1176 like UTekV) are broken, sometimes giving false positives. Undefine
1177 them here and let the code below set them to proper values.
1178
1179 The ghs macro stands for GreenHills Software C-1.8.5 which
1180 is the C compiler for sysV88 and the various derivatives.
1181 This header file bug is corrected in gcc-2.5.8 and later versions.
1182 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1183
1184#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1185# undef S_ISDIR
1186# undef S_ISCHR
1187# undef S_ISBLK
1188# undef S_ISREG
1189# undef S_ISFIFO
1190# undef S_ISLNK
ee0007ab 1191#endif
135863df 1192
663a0e37
LW
1193#ifdef I_TIME
1194# include <time.h>
ffed7fef 1195#endif
663a0e37 1196
fe14fcc3 1197#ifdef I_SYS_TIME
85e6fe83 1198# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1199# define KERNEL
1200# endif
1201# include <sys/time.h>
85e6fe83 1202# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1203# undef KERNEL
1204# endif
a687059c 1205#endif
135863df 1206
55497cff 1207#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1208# include <sys/times.h>
d9d8d8de 1209#endif
8d063cd8 1210
fe14fcc3 1211#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1212# undef HAS_STRERROR
663a0e37
LW
1213#endif
1214
1215#include <errno.h>
1e743fda 1216
acfe0abc 1217#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1218# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1219#endif
1220
8cfab5ff 1221/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1222 * This is important for using IPv6.
8cfab5ff
JH
1223 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1224 * a bad idea since it breaks send() and recv(). */
1225#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1226# define _SOCKADDR_LEN
1227#endif
1228
da70cfc6 1229#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1230# include <sys/socket.h>
1231# if defined(USE_SOCKS) && defined(I_SOCKS)
1232# if !defined(INCLUDE_PROTOTYPES)
1233# define INCLUDE_PROTOTYPES /* for <socks.h> */
1234# define PERL_SOCKS_NEED_PROTOTYPES
1235# endif
1236# include <socks.h>
1237# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1238# undef INCLUDE_PROTOTYPES
1239# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1240# endif
d460ef45 1241# endif
1e743fda 1242# ifdef I_NETDB
2986a63f
JH
1243# ifdef NETWARE
1244# include<stdio.h>
1245# endif
1e743fda
JH
1246# include <netdb.h>
1247# endif
1248# ifndef ENOTSOCK
1249# ifdef I_NET_ERRNO
1250# include <net/errno.h>
1251# endif
1252# endif
1253#endif
1254
fa0a29af 1255/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1256 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1257 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1258#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1259# if defined(__THROW) && defined(__GLIBC__)
1260int sockatmark(int) __THROW;
1261# else
2ef53570 1262int sockatmark(int);
29820b6d 1263# endif
2ef53570
JH
1264#endif
1265
7e827271 1266#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
1267EXTERN_C int fchdir(int);
1268EXTERN_C int flock(int, int);
1269EXTERN_C int fseeko(FILE *, off_t, int);
1270EXTERN_C off_t ftello(FILE *);
1271#endif
1272
7e827271 1273#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1274EXTERN_C char *crypt(const char *, const char *);
7e827271 1275EXTERN_C char **environ;
1ccb7c8d
JH
1276#endif
1277
83a6ff2e 1278#if defined(__cplusplus)
944c4fda 1279# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1280EXTERN_C char **environ;
83a6ff2e 1281# elif defined(__CYGWIN__)
667e2948
SP
1282EXTERN_C char *crypt(const char *, const char *);
1283#endif
83a6ff2e 1284#endif
667e2948 1285
1e743fda
JH
1286#ifdef SETERRNO
1287# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1288#endif
f86702cc
PP
1289
1290#ifdef VMS
1291# define SETERRNO(errcode,vmserrcode) \
1292 STMT_START { \
1293 set_errno(errcode); \
1294 set_vaxc_errno(vmserrcode); \
1295 } STMT_END
4ee39169
CS
1296# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1297# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1298# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1299# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1300
93189314
JH
1301# define LIB_INVARG LIB$_INVARG
1302# define RMS_DIR RMS$_DIR
1303# define RMS_FAC RMS$_FAC
1304# define RMS_FEX RMS$_FEX
1305# define RMS_FNF RMS$_FNF
1306# define RMS_IFI RMS$_IFI
1307# define RMS_ISI RMS$_ISI
1308# define RMS_PRV RMS$_PRV
1309# define SS_ACCVIO SS$_ACCVIO
1310# define SS_DEVOFFLINE SS$_DEVOFFLINE
1311# define SS_IVCHAN SS$_IVCHAN
1312# define SS_NORMAL SS$_NORMAL
748a9306 1313#else
aba27d88 1314# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1315# define dSAVEDERRNO int saved_errno
1316# define dSAVE_ERRNO int saved_errno = errno
1317# define SAVE_ERRNO (saved_errno = errno)
1318# define RESTORE_ERRNO (errno = saved_errno)
1319
93189314
JH
1320# define LIB_INVARG 0
1321# define RMS_DIR 0
1322# define RMS_FAC 0
1323# define RMS_FEX 0
1324# define RMS_FNF 0
1325# define RMS_IFI 0
1326# define RMS_ISI 0
1327# define RMS_PRV 0
1328# define SS_ACCVIO 0
1329# define SS_DEVOFFLINE 0
1330# define SS_IVCHAN 0
1331# define SS_NORMAL 0
748a9306 1332#endif
ed6116ce 1333
f5fa9033 1334#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1335
1336#define CLEAR_ERRSV() STMT_START { \
1337 if (!GvSV(PL_errgv)) { \
1338 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1339 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1340 SvREFCNT_dec(GvSV(PL_errgv)); \
1341 GvSV(PL_errgv) = newSVpvs(""); \
1342 } else { \
1343 SV *const errsv = GvSV(PL_errgv); \
1344 sv_setpvs(errsv, ""); \
1345 if (SvMAGICAL(errsv)) { \
1346 mg_free(errsv); \
1347 } \
1348 SvPOK_only(errsv); \
1349 } \
1350 } STMT_END
1351
1352
414bf5ae
MHM
1353#ifdef PERL_CORE
1354# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1355# define DEFSV_set(sv) \
1356 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1357# define SAVE_DEFSV \
1358 ( \
1359 save_gp(PL_defgv, 0), \
1360 GvINTRO_off(PL_defgv), \
1361 SAVEGENERICSV(GvSV(PL_defgv)), \
1362 GvSV(PL_defgv) = NULL \
1363 )
414bf5ae
MHM
1364#else
1365# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1366# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1367# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1368#endif
38a03e6e 1369
98eae8f5
GS
1370#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1371
55497cff 1372#ifndef errno
5ff3f7a4
GS
1373 extern int errno; /* ANSI allows errno to be an lvalue expr.
1374 * For example in multithreaded environments
1375 * something like this might happen:
1376 * extern int *_errno(void);
1377 * #define errno (*_errno()) */
d9d8d8de 1378#endif
663a0e37 1379
2304df62 1380#ifdef HAS_STRERROR
2242159b 1381#ifndef DONT_DECLARE_STD
a0d0e21e 1382# ifdef VMS
20ce7b12 1383 char *strerror (int,...);
a0d0e21e 1384# else
20ce7b12 1385 char *strerror (int);
a0d0e21e 1386# endif
2242159b 1387#endif
2304df62
AD
1388# ifndef Strerror
1389# define Strerror strerror
1390# endif
1391#else
1392# ifdef HAS_SYS_ERRLIST
79072805
LW
1393 extern int sys_nerr;
1394 extern char *sys_errlist[];
2304df62
AD
1395# ifndef Strerror
1396# define Strerror(e) \
79072805 1397 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1398# endif
79072805 1399# endif
35c8bce7 1400#endif
663a0e37 1401
2304df62 1402#ifdef I_SYS_IOCTL
79072805
LW
1403# ifndef _IOCTL_
1404# include <sys/ioctl.h>
1405# endif
a687059c
LW
1406#endif
1407
ee0007ab 1408#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1409# ifdef HAS_SOCKETPAIR
1410# undef HAS_SOCKETPAIR
1411# endif
2304df62
AD
1412# ifdef I_NDBM
1413# undef I_NDBM
79072805 1414# endif
a687059c
LW
1415#endif
1416
02fc2eee
NC
1417#ifndef HAS_SOCKETPAIR
1418# ifdef HAS_SOCKET
1419# define socketpair Perl_my_socketpair
1420# endif
1421#endif
1422
a687059c 1423#if INTSIZE == 2
79072805
LW
1424# define htoni htons
1425# define ntohi ntohs
a687059c 1426#else
79072805
LW
1427# define htoni htonl
1428# define ntohi ntohl
a687059c
LW
1429#endif
1430
a0d0e21e 1431/* Configure already sets Direntry_t */
35c8bce7 1432#if defined(I_DIRENT)
663a0e37 1433# include <dirent.h>
8f1f23e8
W
1434 /* NeXT needs dirent + sys/dir.h */
1435# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1436# include <sys/dir.h>
1437# endif
ae986130 1438#else
fe14fcc3 1439# ifdef I_SYS_NDIR
79a0689e 1440# include <sys/ndir.h>
663a0e37 1441# else
fe14fcc3 1442# ifdef I_SYS_DIR
79a0689e
LW
1443# ifdef hp9000s500
1444# include <ndir.h> /* may be wrong in the future */
1445# else
1446# include <sys/dir.h>
1447# endif
663a0e37
LW
1448# endif
1449# endif
4633a7c4 1450#endif
a687059c 1451
12ae5dfc
JH
1452#ifdef PERL_MICRO
1453# ifndef DIR
1454# define DIR void
1455# endif
1456#endif
1457
352d5a3a
LW
1458#ifdef FPUTS_BOTCH
1459/* work around botch in SunOS 4.0.1 and 4.0.2 */
1460# ifndef fputs
79072805 1461# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1462# endif
1463#endif
1464
c623bd54
LW
1465/*
1466 * The following gobbledygook brought to you on behalf of __STDC__.
1467 * (I could just use #ifndef __STDC__, but this is more bulletproof
1468 * in the face of half-implementations.)
1469 */
1470
7114a2d2 1471#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1472#include <sys/mode.h>
1473#endif
1474
c623bd54
LW
1475#ifndef S_IFMT
1476# ifdef _S_IFMT
1477# define S_IFMT _S_IFMT
1478# else
1479# define S_IFMT 0170000
1480# endif
1481#endif
1482
1483#ifndef S_ISDIR
1484# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1485#endif
1486
1487#ifndef S_ISCHR
1488# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1489#endif
1490
1491#ifndef S_ISBLK
fe14fcc3
LW
1492# ifdef S_IFBLK
1493# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1494# else
1495# define S_ISBLK(m) (0)
1496# endif
c623bd54
LW
1497#endif
1498
1499#ifndef S_ISREG
1500# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1501#endif
1502
1503#ifndef S_ISFIFO
fe14fcc3
LW
1504# ifdef S_IFIFO
1505# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1506# else
1507# define S_ISFIFO(m) (0)
1508# endif
c623bd54
LW
1509#endif
1510
1511#ifndef S_ISLNK
1512# ifdef _S_ISLNK
1513# define S_ISLNK(m) _S_ISLNK(m)
1514# else
1515# ifdef _S_IFLNK
1516# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1517# else
1518# ifdef S_IFLNK
1519# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1520# else
1521# define S_ISLNK(m) (0)
1522# endif
1523# endif
1524# endif
1525#endif
1526
1527#ifndef S_ISSOCK
1528# ifdef _S_ISSOCK
1529# define S_ISSOCK(m) _S_ISSOCK(m)
1530# else
1531# ifdef _S_IFSOCK
1532# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1533# else
1534# ifdef S_IFSOCK
1535# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1536# else
1537# define S_ISSOCK(m) (0)
1538# endif
1539# endif
1540# endif
1541#endif
1542
1543#ifndef S_IRUSR
1544# ifdef S_IREAD
1545# define S_IRUSR S_IREAD
1546# define S_IWUSR S_IWRITE
1547# define S_IXUSR S_IEXEC
1548# else
1549# define S_IRUSR 0400
1550# define S_IWUSR 0200
1551# define S_IXUSR 0100
1552# endif
fac7cdfc 1553#endif
1554
1555#ifndef S_IRGRP
1556# ifdef S_IRUSR
1557# define S_IRGRP (S_IRUSR>>3)
1558# define S_IWGRP (S_IWUSR>>3)
1559# define S_IXGRP (S_IXUSR>>3)
1560# else
1561# define S_IRGRP 0040
1562# define S_IWGRP 0020
1563# define S_IXGRP 0010
1564# endif
1565#endif
1566
1567#ifndef S_IROTH
1568# ifdef S_IRUSR
1569# define S_IROTH (S_IRUSR>>6)
1570# define S_IWOTH (S_IWUSR>>6)
1571# define S_IXOTH (S_IXUSR>>6)
1572# else
1573# define S_IROTH 0040
1574# define S_IWOTH 0020
1575# define S_IXOTH 0010
1576# endif
c623bd54
LW
1577#endif
1578
1579#ifndef S_ISUID
1580# define S_ISUID 04000
1581#endif
1582
1583#ifndef S_ISGID
1584# define S_ISGID 02000
1585#endif
1586
ca6e1c26
JH
1587#ifndef S_IRWXU
1588# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1589#endif
ca6e1c26
JH
1590
1591#ifndef S_IRWXG
1592# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1593#endif
ca6e1c26
JH
1594
1595#ifndef S_IRWXO
1596# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1597#endif
ca6e1c26 1598
df00ff3b 1599/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1600 * which would get included through <sys/file.h >, but that is 3000
1601 * lines in the future. --jhi */
1602
df00ff3b 1603#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1604# define S_IREAD S_IRUSR
1605#endif
1606
df00ff3b 1607#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1608# define S_IWRITE S_IWUSR
1609#endif
1610
1611#ifndef S_IEXEC
1612# define S_IEXEC S_IXUSR
1613#endif
1614
79072805
LW
1615#ifdef ff_next
1616# undef ff_next
352d5a3a
LW
1617#endif
1618
a0d0e21e 1619#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1620# define SLOPPYDIVIDE
1621#endif
1622
748a9306
LW
1623#ifdef UV
1624#undef UV
1625#endif
1626
c89df6bf
JH
1627#ifdef SPRINTF_E_BUG
1628# define sprintf UTS_sprintf_wrap
1629#endif
1630
ce582cee
NC
1631/* For the times when you want the return value of sprintf, and you want it
1632 to be the length. Can't have a thread variable passed in, because C89 has
1633 no varargs macros.
1634*/
1635#ifdef SPRINTF_RETURNS_STRLEN
1636# define my_sprintf sprintf
1637#else
1638# define my_sprintf Perl_my_sprintf
1639#endif
1640
5b692037
JH
1641/*
1642 * If we have v?snprintf() and the C99 variadic macros, we can just
1643 * use just the v?snprintf(). It is nice to try to trap the buffer
1644 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1645 * gcc statement expressions, then use the function wrappers which try
1646 * to trap the overflow. If we can use the gcc statement expressions,
1647 * we can try that even with the version that uses the C99 variadic
1648 * macros.
5b692037
JH
1649 */
1650
1208b3dd
JH
1651/* Note that we do not check against snprintf()/vsnprintf() returning
1652 * negative values because that is non-standard behaviour and we use
1653 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1654 * that should be true only if the snprintf()/vsnprintf() are true
1655 * to the standard. */
1656
dfeee9b1 1657#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1658# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1659# 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 1660# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1661# else
1662# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1663# endif
1664#else
1665# define my_snprintf Perl_my_snprintf
1208b3dd 1666# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1667#endif
1668
dfeee9b1 1669#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1670# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1671# 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 1672# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1673# else
1674# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1675# endif
1676#else
1677# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1678# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1679#endif
d9fad198 1680
a6cc4119
SP
1681#ifdef HAS_STRLCAT
1682# define my_strlcat strlcat
1683#else
1684# define my_strlcat Perl_my_strlcat
1685#endif
1686
1687#ifdef HAS_STRLCPY
1688# define my_strlcpy strlcpy
1689#else
1690# define my_strlcpy Perl_my_strlcpy
1691#endif
1692
c495e728
JH
1693/* Configure gets this right but the UTS compiler gets it wrong.
1694 -- Hal Morris <hom00@utsglobal.com> */
1695#ifdef UTS
1696# undef UVTYPE
1697# define UVTYPE unsigned
1698#endif
1699
05f13f53 1700/*
27d4fb96
PP
1701 The IV type is supposed to be long enough to hold any integral
1702 value or a pointer.
1703 --Andy Dougherty August 1996
1704*/
1705
a22e52b9
JH
1706typedef IVTYPE IV;
1707typedef UVTYPE UV;
8175356b 1708
10cc9d2a 1709#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1710# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1711# define IV_MAX INT64_MAX
1712# define IV_MIN INT64_MIN
1713# define UV_MAX UINT64_MAX
cae7ae48
JH
1714# ifndef UINT64_MIN
1715# define UINT64_MIN 0
1716# endif
5ff3f7a4
GS
1717# define UV_MIN UINT64_MIN
1718# else
1719# define IV_MAX PERL_QUAD_MAX
1720# define IV_MIN PERL_QUAD_MIN
1721# define UV_MAX PERL_UQUAD_MAX
1722# define UV_MIN PERL_UQUAD_MIN
1723# endif
cf2093f6
JH
1724# define IV_IS_QUAD
1725# define UV_IS_QUAD
79072805 1726#else
8175356b 1727# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1728# define IV_MAX INT32_MAX
1729# define IV_MIN INT32_MIN
716026f9
DL
1730# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1731# define UV_MAX UINT32_MAX
1732# else
1733# define UV_MAX 4294967295U
1734# endif
cae7ae48
JH
1735# ifndef UINT32_MIN
1736# define UINT32_MIN 0
1737# endif
5ff3f7a4
GS
1738# define UV_MIN UINT32_MIN
1739# else
1740# define IV_MAX PERL_LONG_MAX
1741# define IV_MIN PERL_LONG_MIN
1742# define UV_MAX PERL_ULONG_MAX
1743# define UV_MIN PERL_ULONG_MIN
1744# endif
8175356b 1745# if IVSIZE == 8
cf2093f6
JH
1746# define IV_IS_QUAD
1747# define UV_IS_QUAD
de1c2614
JH
1748# ifndef HAS_QUAD
1749# define HAS_QUAD
1750# endif
cf2093f6
JH
1751# else
1752# undef IV_IS_QUAD
1753# undef UV_IS_QUAD
de1c2614 1754# undef HAS_QUAD
cf2093f6 1755# endif
79072805 1756#endif
d7d93a81 1757
1109a392
MHM
1758#ifndef HAS_QUAD
1759# undef PERL_NEED_MY_HTOLE64
1760# undef PERL_NEED_MY_LETOH64
1761# undef PERL_NEED_MY_HTOBE64
1762# undef PERL_NEED_MY_BETOH64
1763#endif
1764
6cde8aec 1765#if defined(uts) || defined(UTS)
11afe549
HM
1766# undef UV_MAX
1767# define UV_MAX (4294967295u)
20601011
JH
1768#endif
1769
cae7ae48 1770#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1771#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1772
28e5dec8 1773#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1774#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1775#endif
1776
d460ef45 1777/*
26bb67e2
JH
1778 * The macros INT2PTR and NUM2PTR are (despite their names)
1779 * bi-directional: they will convert int/float to or from pointers.
1780 * However the conversion to int/float are named explicitly:
1781 * PTR2IV, PTR2UV, PTR2NV.
1782 *
1783 * For int conversions we do not need two casts if pointers are
1784 * the same size as IV and UV. Otherwise we need an explicit
1785 * cast (PTRV) to avoid compiler warnings.
1786 */
56431972
RB
1787#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1788# define PTRV UV
1789# define INT2PTR(any,d) (any)(d)
1790#else
d460ef45 1791# if PTRSIZE == LONGSIZE
56431972 1792# define PTRV unsigned long
e91e3b10 1793# define PTR2ul(p) (unsigned long)(p)
42718184 1794# else
56431972 1795# define PTRV unsigned
42718184 1796# endif
e91e3b10
RB
1797#endif
1798
1799#ifndef INT2PTR
56431972 1800# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1801#endif
e91e3b10
RB
1802
1803#ifndef PTR2ul
1804# define PTR2ul(p) INT2PTR(unsigned long,p)
1805#endif
1806
56431972
RB
1807#define NUM2PTR(any,d) (any)(PTRV)(d)
1808#define PTR2IV(p) INT2PTR(IV,p)
1809#define PTR2UV(p) INT2PTR(UV,p)
1810#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1811#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1812
8141890a
JH
1813/* According to strict ANSI C89 one cannot freely cast between
1814 * data pointers and function (code) pointers. There are at least
1815 * two ways around this. One (used below) is to do two casts,
1816 * first the other pointer to an (unsigned) integer, and then
1817 * the integer to the other pointer. The other way would be
1818 * to use unions to "overlay" the pointers. For an example of
1819 * the latter technique, see union dirpu in struct xpvio in sv.h.
1820 * The only feasible use is probably temporarily storing
1821 * function pointers in a data pointer (such as a void pointer). */
1822
e91e3b10
RB
1823#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1824#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1825
65202027 1826#ifdef USE_LONG_DOUBLE
1048ea30
JH
1827# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1828# define LONG_DOUBLE_EQUALS_DOUBLE
1829# endif
68d4903c 1830# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1831# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1832# endif
1833#endif
1834
2d4389e4
JH
1835#ifdef OVR_DBL_DIG
1836/* Use an overridden DBL_DIG */
1837# ifdef DBL_DIG
1838# undef DBL_DIG
1839# endif
1840# define DBL_DIG OVR_DBL_DIG
1841#else
1842/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1843 default value for printing floating point numbers in Gconvert
1844 (see config.h). (It also has other uses, such as figuring out if
1845 a given precision of printing can be done with a double instead of
1846 a long double - Allen).
2d4389e4
JH
1847*/
1848#ifdef I_LIMITS
1849#include <limits.h>
1850#endif
1851#ifdef I_FLOAT
1852#include <float.h>
1853#endif
1854#ifndef HAS_DBL_DIG
1855#define DBL_DIG 15 /* A guess that works lots of places */
1856#endif
1857#endif
1858
1859#ifdef OVR_LDBL_DIG
1860/* Use an overridden LDBL_DIG */
1861# ifdef LDBL_DIG
1862# undef LDBL_DIG
1863# endif
1864# define LDBL_DIG OVR_LDBL_DIG
1865#else
1866/* The following is all to get LDBL_DIG, in order to pick a nice
1867 default value for printing floating point numbers in Gconvert.
1868 (see config.h)
1869*/
68d4903c
JH
1870# ifdef I_LIMITS
1871# include <limits.h>
1872# endif
1873# ifdef I_FLOAT
1874# include <float.h>
1875# endif
1876# ifndef HAS_LDBL_DIG
1877# if LONG_DOUBLESIZE == 10
1878# define LDBL_DIG 18 /* assume IEEE */
1879# else
1880# if LONG_DOUBLESIZE == 12
1881# define LDBL_DIG 18 /* gcc? */
1882# else
1883# if LONG_DOUBLESIZE == 16
1884# define LDBL_DIG 33 /* assume IEEE */
1885# else
1886# if LONG_DOUBLESIZE == DOUBLESIZE
1887# define LDBL_DIG DBL_DIG /* bummer */
1888# endif
1889# endif
1890# endif
1891# endif
1892# endif
2d4389e4
JH
1893#endif
1894
20f6aaab
AS
1895/*
1896 * This is for making sure we have a good DBL_MAX value, if possible,
1897 * either for usage as NV_MAX or for usage in figuring out if we can
1898 * fit a given long double into a double, if bug-fixing makes it
1899 * necessary to do so. - Allen <allens@cpan.org>
1900 */
1901
205f51d8
AS
1902#ifdef I_LIMITS
1903# include <limits.h>
20f6aaab
AS
1904#endif
1905
205f51d8
AS
1906#ifdef I_VALUES
1907# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1908# include <values.h>
1909# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1910# define DBL_MAX MAXDOUBLE
1911# endif
1912# if defined(MINDOUBLE) && !defined(DBL_MIN)
1913# define DBL_MIN MINDOUBLE
1914# endif
1915# endif
1916#endif /* defined(I_VALUES) */
1917
a22e52b9 1918typedef NVTYPE NV;
8175356b 1919
792d8dab
JH
1920#ifdef I_IEEEFP
1921# include <ieeefp.h>
1922#endif
923fc586 1923
65202027 1924#ifdef USE_LONG_DOUBLE
923fc586
JH
1925# ifdef I_SUNMATH
1926# include <sunmath.h>
1927# endif
2d4389e4 1928# define NV_DIG LDBL_DIG
d6c14000
JH
1929# ifdef LDBL_MANT_DIG
1930# define NV_MANT_DIG LDBL_MANT_DIG
1931# endif
06fc1729
JH
1932# ifdef LDBL_MIN
1933# define NV_MIN LDBL_MIN
1934# endif
1935# ifdef LDBL_MAX
1936# define NV_MAX LDBL_MAX
1937# endif
1938# ifdef LDBL_MIN_10_EXP
1939# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1940# endif
1941# ifdef LDBL_MAX_10_EXP
1942# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1943# endif
1944# ifdef LDBL_EPSILON
1945# define NV_EPSILON LDBL_EPSILON
1946# endif
f4a14a62
JH
1947# ifdef LDBL_MAX
1948# define NV_MAX LDBL_MAX
20f6aaab 1949/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1950# else
1951# ifdef HUGE_VALL
1952# define NV_MAX HUGE_VALL
1953# else
1954# ifdef HUGE_VAL
1955# define NV_MAX ((NV)HUGE_VAL)
1956# endif
1957# endif
1958# endif
68d4903c 1959# ifdef HAS_SQRTL
68d4903c
JH
1960# define Perl_cos cosl
1961# define Perl_sin sinl
1962# define Perl_sqrt sqrtl
1963# define Perl_exp expl
1964# define Perl_log logl
1965# define Perl_atan2 atan2l
1966# define Perl_pow powl
1967# define Perl_floor floorl
1bbae031 1968# define Perl_ceil ceill
68d4903c
JH
1969# define Perl_fmod fmodl
1970# endif
a3540c92
JH
1971/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1972# ifdef HAS_MODFL
1973# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1974/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1975 prototype in <math.h> */
1976# ifndef HAS_MODFL_PROTO
a221a8a5 1977EXTERN_C long double modfl(long double, long double *);
51997bc3 1978# endif
03476e8e
JH
1979# else
1980# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1981 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1982# define Perl_modf(x,y) Perl_my_modfl(x,y)
1983# endif
a3540c92
JH
1984# endif
1985# ifdef HAS_FREXPL
dff3e0b8 1986# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1987# else
1988# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1989 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1990# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1991# endif
a3540c92 1992# endif
38dbb4c5 1993# ifndef Perl_isnan
758a5d79
JH
1994# ifdef HAS_ISNANL
1995# define Perl_isnan(x) isnanl(x)
1996# endif
1997# endif
1998# ifndef Perl_isinf
1999# ifdef HAS_FINITEL
2000# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
2001# endif
2002# endif
65202027 2003#else
2d4389e4 2004# define NV_DIG DBL_DIG
d6c14000
JH
2005# ifdef DBL_MANT_DIG
2006# define NV_MANT_DIG DBL_MANT_DIG
2007# endif
06fc1729
JH
2008# ifdef DBL_MIN
2009# define NV_MIN DBL_MIN
2010# endif
2011# ifdef DBL_MAX
2012# define NV_MAX DBL_MAX
2013# endif
2014# ifdef DBL_MIN_10_EXP
2015# define NV_MIN_10_EXP DBL_MIN_10_EXP
2016# endif
2017# ifdef DBL_MAX_10_EXP
2018# define NV_MAX_10_EXP DBL_MAX_10_EXP
2019# endif
2020# ifdef DBL_EPSILON
2021# define NV_EPSILON DBL_EPSILON
2022# endif
205f51d8 2023# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2024# define NV_MAX DBL_MAX
2025# define NV_MIN DBL_MIN
2026# else
2027# ifdef HUGE_VAL
2028# define NV_MAX HUGE_VAL
2029# endif
2030# endif
65202027
DS
2031# define Perl_cos cos
2032# define Perl_sin sin
2033# define Perl_sqrt sqrt
2034# define Perl_exp exp
2035# define Perl_log log
2036# define Perl_atan2 atan2
2037# define Perl_pow pow
2038# define Perl_floor floor
1bbae031 2039# define Perl_ceil ceil
65202027 2040# define Perl_fmod fmod
a3540c92 2041# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2042# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2043#endif
2044
2045/* rumor has it that Win32 has _fpclass() */
2046
205f51d8
AS
2047/* SGI has fpclassl... but not with the same result values,
2048 * and it's via a typedef (not via #define), so will need to redo Configure
2049 * to use. Not worth the trouble, IMO, at least until the below is used
2050 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2051 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2052 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2053
758a5d79
JH
2054#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2055# ifdef I_IEEFP
2056# include <ieeefp.h>
2057# endif
2058# ifdef I_FP
2059# include <fp.h>
2060# endif
2061# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2062# define Perl_fp_class() fpclassl(x)
2063# else
2064# define Perl_fp_class() fpclass(x)
2065# endif
2066# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2067# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2068# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2069# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2070# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2071# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2072# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2073# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2074# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2075# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2076# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2077# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2078# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2079# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2080# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2081#endif
2082
7114a2d2 2083#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2084# include <math.h>
2085# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2086# include <fp_class.h>
2087# endif
2088# define Perl_fp_class(x) fp_class(x)
2089# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2090# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2091# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2092# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2093# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2094# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2095# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2096# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2097# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2098# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2099# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2100# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2101# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2102# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2103# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2104#endif
2105
2106#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2107# include <math.h>
2108# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2109# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2110# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2111# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2112# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2113# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2114#endif
2115
2116#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2117# include <math.h>
2118# ifndef _cplusplus
2119# define Perl_fp_class(x) class(x)
2120# else
2121# define Perl_fp_class(x) _class(x)
2122# endif
2123# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2124# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2125# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2126# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2127# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2128# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2129# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2130# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2131# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2132# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2133# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2134# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2135# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2136# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2137# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2138#endif
2139
2140/* rumor has it that Win32 has _isnan() */
2141
2142#ifndef Perl_isnan
a3540c92 2143# ifdef HAS_ISNAN
758a5d79
JH
2144# define Perl_isnan(x) isnan((NV)x)
2145# else
2146# ifdef Perl_fp_class_nan
2147# define Perl_isnan(x) Perl_fp_class_nan(x)
2148# else
2149# ifdef HAS_UNORDERED
2150# define Perl_isnan(x) unordered((x), 0.0)
2151# else
2152# define Perl_isnan(x) ((x)!=(x))
2153# endif
2154# endif
2155# endif
2156#endif
2157
ca6c63e1
JH
2158#ifdef UNDER_CE
2159int isnan(double d);
2160#endif
2161
758a5d79
JH
2162#ifndef Perl_isinf
2163# ifdef HAS_ISINF
2164# define Perl_isinf(x) isinf((NV)x)
a3540c92 2165# else
758a5d79
JH
2166# ifdef Perl_fp_class_inf
2167# define Perl_isinf(x) Perl_fp_class_inf(x)
2168# else
2169# define Perl_isinf(x) ((x)==NV_INF)
2170# endif
2171# endif
2172#endif
2173
2174#ifndef Perl_isfinite
2175# ifdef HAS_FINITE
2176# define Perl_isfinite(x) finite((NV)x)
2177# else
2178# ifdef HAS_ISFINITE
2179# define Perl_isfinite(x) isfinite(x)
2180# else
2181# ifdef Perl_fp_class_finite
2182# define Perl_isfinite(x) Perl_fp_class_finite(x)
2183# else
2184# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2185# endif
2186# endif
a3540c92 2187# endif
65202027
DS
2188#endif
2189
a36244b7
JH
2190/* The default is to use Perl's own atof() implementation (in numeric.c).
2191 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2192 * it is however best to use the native implementation of atof.
2193 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2194 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2195 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2196 * you may need to be using a different function than atof! */
a36244b7
JH
2197
2198#ifndef USE_PERL_ATOF
2199# ifndef _UNICOS
2200# define USE_PERL_ATOF
2201# endif
2202#else
2203# if USE_PERL_ATOF == 0
2204# undef USE_PERL_ATOF
2205# endif
2206#endif
2207
2208#ifdef USE_PERL_ATOF
2209# define Perl_atof(s) Perl_my_atof(s)
2210# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2211#else
2212# define Perl_atof(s) (NV)atof(s)
2213# define Perl_atof2(s, n) ((n) = atof(s))
2214#endif
cf2093f6 2215
d460ef45 2216/* Previously these definitions used hardcoded figures.
760ac839
LW
2217 * It is hoped these formula are more portable, although
2218 * no data one way or another is presently known to me.
2219 * The "PERL_" names are used because these calculated constants
2220 * do not meet the ANSI requirements for LONG_MAX, etc., which
2221 * need to be constants acceptable to #if - kja
2222 * define PERL_LONG_MAX 2147483647L
2223 * define PERL_LONG_MIN (-LONG_MAX - 1)
2224 * define PERL ULONG_MAX 4294967295L
2225 */
2226
2227#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2228# include <limits.h>
760ac839 2229#endif
205f51d8 2230/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2231 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2232
99abf803
PP
2233/*
2234 * Try to figure out max and min values for the integral types. THE CORRECT
2235 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2236 * following hacks are used if neither limits.h or values.h provide them:
2237 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2238 * for types < int: (unsigned TYPE)~(unsigned)0
2239 * The argument to ~ must be unsigned so that later signed->unsigned
2240 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2241 * and it must not be smaller than int because ~ does integral promotion.
2242 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2243 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2244 * The latter is a hack which happens to work on some machines but
2245 * does *not* catch any random system, or things like integer types
2246 * with NaN if that is possible.
2247 *
2248 * All of the types are explicitly cast to prevent accidental loss of
2249 * numeric range, and in the hope that they will be less likely to confuse
2250 * over-eager optimizers.
2251 *
2252 */
27d4fb96 2253
99abf803
PP
2254#define PERL_UCHAR_MIN ((unsigned char)0)
2255
2256#ifdef UCHAR_MAX
2257# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2258#else
99abf803
PP
2259# ifdef MAXUCHAR
2260# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2261# else
99abf803 2262# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2263# endif
2264#endif
d460ef45 2265
99abf803
PP
2266/*
2267 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2268 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2269 * depending on local options. Until Configure detects this (or at least
2270 * detects whether the "signed" keyword is available) the CHAR ranges
2271 * will not be included. UCHAR functions normally.
2272 * - kja
2273 */
27d4fb96 2274
99abf803
PP
2275#define PERL_USHORT_MIN ((unsigned short)0)
2276
2277#ifdef USHORT_MAX
2278# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2279#else
99abf803
PP
2280# ifdef MAXUSHORT
2281# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2282# else
ef2f54b0
CB
2283# ifdef USHRT_MAX
2284# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2285# else
2286# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2287# endif
27d4fb96
PP
2288# endif
2289#endif
2290
27d4fb96 2291#ifdef SHORT_MAX
99abf803 2292# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2293#else
2294# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2295# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2296# else
ef2f54b0
CB
2297# ifdef SHRT_MAX
2298# define PERL_SHORT_MAX ((short)SHRT_MAX)
2299# else
2300# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2301# endif
27d4fb96
PP
2302# endif
2303#endif
2304
2305#ifdef SHORT_MIN
99abf803 2306# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2307#else
2308# ifdef MINSHORT
99abf803 2309# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2310# else
ef2f54b0
CB
2311# ifdef SHRT_MIN
2312# define PERL_SHORT_MIN ((short)SHRT_MIN)
2313# else
2314# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2315# endif
27d4fb96
PP
2316# endif
2317#endif
2318
99abf803
PP
2319#ifdef UINT_MAX
2320# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2321#else
99abf803
PP
2322# ifdef MAXUINT
2323# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2324# else
99abf803 2325# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2326# endif
2327#endif
2328
99abf803 2329#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2330
2331#ifdef INT_MAX
99abf803 2332# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2333#else
2334# ifdef MAXINT /* Often used in <values.h> */
99abf803 2335# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2336# else
99abf803 2337# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2338# endif
2339#endif
2340
2341#ifdef INT_MIN
99abf803 2342# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2343#else
2344# ifdef MININT
99abf803 2345# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2346# else
2347# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2348# endif
2349#endif
2350
99abf803
PP
2351#ifdef ULONG_MAX
2352# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2353#else
99abf803
PP
2354# ifdef MAXULONG
2355# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2356# else
99abf803 2357# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2358# endif
2359#endif
2360
99abf803 2361#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2362
760ac839 2363#ifdef LONG_MAX
99abf803 2364# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2365#else
2366# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2367# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2368# else
99abf803 2369# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2370# endif
2371#endif
2372
2373#ifdef LONG_MIN
99abf803 2374# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2375#else
2376# ifdef MINLONG
99abf803 2377# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2378# else
27d4fb96 2379# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2380# endif
2381#endif
2382
d7d93a81 2383#ifdef UV_IS_QUAD
99abf803 2384
99abf803 2385# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2386# define PERL_UQUAD_MIN ((UV)0)
99abf803 2387# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2388# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2389
79072805
LW
2390#endif
2391
830247a4 2392struct RExC_state_t;
8e11feef 2393struct _reg_trie_data;
880b20b6 2394
ee0007ab 2395typedef MEM_SIZE STRLEN;
450a55e4 2396
598921a7
NC
2397#ifdef PERL_MAD
2398typedef struct token TOKEN;
2399typedef struct madprop MADPROP;
2400typedef struct nexttoken NEXTTOKE;
2401#endif
79072805
LW
2402typedef struct op OP;
2403typedef struct cop COP;
2404typedef struct unop UNOP;
2405typedef struct binop BINOP;
2406typedef struct listop LISTOP;
2407typedef struct logop LOGOP;
79072805
LW
2408typedef struct pmop PMOP;
2409typedef struct svop SVOP;
7934575e 2410typedef struct padop PADOP;
79072805 2411typedef struct pvop PVOP;
79072805
LW
2412typedef struct loop LOOP;
2413
7aef8e5b 2414#ifdef PERL_CORE
8be227ab
FC
2415typedef struct opslab OPSLAB;
2416typedef struct opslot OPSLOT;
2417#endif
2418
52db365a 2419typedef struct block_hooks BHK;
1830b3d9 2420typedef struct custom_op XOP;
52db365a 2421
cd1541b2
NC
2422typedef struct interpreter PerlInterpreter;
2423
d2b3f365
SS
2424/* Amdahl's <ksync.h> has struct sv */
2425/* SGI's <sys/sema.h> has struct sv */
2426#if defined(UTS) || defined(__sgi)
2427# define STRUCT_SV perl_sv
b8d3c5db
JH
2428#else
2429# define STRUCT_SV sv
2430#endif
2431typedef struct STRUCT_SV SV;
79072805
LW
2432typedef struct av AV;
2433typedef struct hv HV;
2434typedef struct cv CV;
d2f13c59 2435typedef struct p5rx REGEXP;
79072805 2436typedef struct gp GP;
0c30d9ec 2437typedef struct gv GV;
8990e307 2438typedef struct io IO;
c09156bb 2439typedef struct context PERL_CONTEXT;
79072805
LW
2440typedef struct block BLOCK;
2441
2442typedef struct magic MAGIC;
2443typedef struct xpv XPV;
2444typedef struct xpviv XPVIV;
ff68c719 2445typedef struct xpvuv XPVUV;
79072805
LW
2446typedef struct xpvnv XPVNV;
2447typedef struct xpvmg XPVMG;
2448typedef struct xpvlv XPVLV;
2449typedef struct xpvav XPVAV;
2450typedef struct xpvhv XPVHV;
2451typedef struct xpvgv XPVGV;
2452typedef struct xpvcv XPVCV;
2453typedef struct xpvbm XPVBM;
2454typedef struct xpvfm XPVFM;
8990e307 2455typedef struct xpvio XPVIO;
79072805
LW
2456typedef struct mgvtbl MGVTBL;
2457typedef union any ANY;
5f7fde29
GS
2458typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2459typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2460typedef struct clone_params CLONE_PARAMS;
2461
378cc40b 2462#include "handy.h"
a0d0e21e 2463
6b8eaf93 2464#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2465# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2466# define USE_64_BIT_RAWIO /* implicit */
2467# endif
4564133c
JH
2468#endif
2469
6b8eaf93
JH
2470/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2471 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2472 * however, because operating systems like to do that themself. */
2473#ifndef FSEEKSIZE
2474# ifdef HAS_FSEEKO
2475# define FSEEKSIZE LSEEKSIZE
2476# else
2477# define FSEEKSIZE LONGSIZE
d460ef45 2478# endif
6b8eaf93
JH
2479#endif
2480
2481#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2482# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2483# define USE_64_BIT_STDIO /* implicit */
2484# endif
2485#endif
4564133c 2486
09458382 2487#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2488# ifdef HAS_OFF64_T
2489# undef Off_t
2490# define Off_t off64_t
2491# undef LSEEKSIZE
2492# define LSEEKSIZE 8
5ff3f7a4 2493# endif
d9b3e12d
JH
2494/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2495 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2496 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2497# if defined(USE_OPEN64)
2498# define open open64
5ff3f7a4 2499# endif
d9b3e12d
JH
2500# if defined(USE_LSEEK64)
2501# define lseek lseek64
6b8eaf93
JH
2502# else
2503# if defined(USE_LLSEEK)
2504# define lseek llseek
2505# endif
d9b3e12d
JH
2506# endif
2507# if defined(USE_STAT64)
2508# define stat stat64
2509# endif
2510# if defined(USE_FSTAT64)
2511# define fstat fstat64
2512# endif
2513# if defined(USE_LSTAT64)
2514# define lstat lstat64
2515# endif
2516# if defined(USE_FLOCK64)
2517# define flock flock64
2518# endif
2519# if defined(USE_LOCKF64)
2520# define lockf lockf64
2521# endif
2522# if defined(USE_FCNTL64)
2523# define fcntl fcntl64
2524# endif
2525# if defined(USE_TRUNCATE64)
2526# define truncate truncate64
2527# endif
2528# if defined(USE_FTRUNCATE64)
2529# define ftruncate ftruncate64
2530# endif
2531#endif
2532
2533#ifdef USE_64_BIT_STDIO
2534# ifdef HAS_FPOS64_T
2535# undef Fpos_t
2536# define Fpos_t fpos64_t
2537# endif
2538/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2539 * will trigger defines like the ones below. Some 64-bit environments,
2540 * however, do not. */
2541# if defined(USE_FOPEN64)
2542# define fopen fopen64
2543# endif
2544# if defined(USE_FSEEK64)
6b8eaf93 2545# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2546# endif
2547# if defined(USE_FTELL64)
6b8eaf93 2548# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2549# endif
2550# if defined(USE_FSETPOS64)
2551# define fsetpos fsetpos64
2552# endif
2553# if defined(USE_FGETPOS64)
2554# define fgetpos fgetpos64
2555# endif
2556# if defined(USE_TMPFILE64)
2557# define tmpfile tmpfile64
2558# endif
2559# if defined(USE_FREOPEN64)
2560# define freopen freopen64
5ff3f7a4
GS
2561# endif
2562#endif
2563
e37778c2 2564#if defined(OS2)
2c2d71f5
JH
2565# include "iperlsys.h"
2566#endif
2567
6f71a643 2568#if defined(__OPEN_VM)
19848b3f
JH
2569# include "vmesa/vmesaish.h"
2570# define ISHISH "vmesa"
6f71a643
JH
2571#endif
2572
748a9306 2573#ifdef DOSISH
19848b3f
JH
2574# if defined(OS2)
2575# include "os2ish.h"
2576# else
2577# include "dosish.h"
2578# endif
2579# define ISHISH "dos"
2580#endif
2581
2582#if defined(VMS)
748a9306 2583# include "vmsish.h"
19848b3f
JH
2584# define ISHISH "vms"
2585#endif
2586
2587#if defined(PLAN9)
2588# include "./plan9/plan9ish.h"
2589# define ISHISH "plan9"
2590#endif
2591
2592#if defined(MPE)
2593# include "mpeix/mpeixish.h"
2594# define ISHISH "mpeix"
2595#endif
2596
2597#if defined(__VOS__)
196918b0
PG
2598# ifdef __GNUC__
2599# include "./vos/vosish.h"
2600# else
2601# include "vos/vosish.h"
2602# endif
19848b3f
JH
2603# define ISHISH "vos"
2604#endif
2605
2606#if defined(EPOC)
2607# include "epocish.h"
2608# define ISHISH "epoc"
2609#endif
2610
9969cdde 2611#ifdef __SYMBIAN32__
27da23d5 2612# include "symbian/symbianish.h"
27da23d5
JH
2613# define ISHISH "symbian"
2614#endif
2615
19848b3f 2616
df00ff3b
IW
2617#if defined(__HAIKU__)
2618# include "haiku/haikuish.h"
2619# define ISHISH "haiku"
2620#elif defined(__BEOS__)
efca5cc6
JH
2621# include "beos/beosish.h"
2622# define ISHISH "beos"
2623#endif
2624
19848b3f
JH
2625#ifndef ISHISH
2626# include "unixish.h"
2627# define ISHISH "unix"
13b6e58c
JH
2628#endif
2629
2946a158
JH
2630/* NSIG logic from Configure --> */
2631/* Strange style to avoid deeply-nested #if/#else/#endif */
2632#ifndef NSIG
2633# ifdef _NSIG
2634# define NSIG (_NSIG)
2635# endif
2636#endif
2637
2638#ifndef NSIG
2639# ifdef SIGMAX
2640# define NSIG (SIGMAX+1)
2641# endif
2642#endif
2643
2644#ifndef NSIG
2645# ifdef SIG_MAX
2646# define NSIG (SIG_MAX+1)
2647# endif
2648#endif
2649
2650#ifndef NSIG
2651# ifdef _SIG_MAX
2652# define NSIG (_SIG_MAX+1)
2653# endif
2654#endif
2655
2656#ifndef NSIG
2657# ifdef MAXSIG
2658# define NSIG (MAXSIG+1)
2659# endif
2660#endif
2661
2662#ifndef NSIG
2663# ifdef MAX_SIG
2664# define NSIG (MAX_SIG+1)
2665# endif
2666#endif
2667
2668#ifndef NSIG
2669# ifdef SIGARRAYSIZE
2670# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2671# endif
2672#endif
2673
2674#ifndef NSIG
2675# ifdef _sys_nsig
2676# define NSIG (_sys_nsig) /* Solaris 2.5 */
2677# endif
2678#endif
2679
2680/* Default to some arbitrary number that's big enough to get most
2681 of the common signals.
2682*/
2683#ifndef NSIG
2684# define NSIG 50
2685#endif
2686/* <-- NSIG logic from Configure */
2687
13b6e58c
JH
2688#ifndef NO_ENVIRON_ARRAY
2689# define USE_ENVIRON_ARRAY
2690#endif
32f822de 2691
c77b533b
JH
2692/*
2693 * initialise to avoid floating-point exceptions from overflow, etc
2694 */
2695#ifndef PERL_FPU_INIT
2696# ifdef HAS_FPSETMASK
2697# if HAS_FLOATINGPOINT_H
2698# include <floatingpoint.h>
2699# endif
ad3a8c67
NC
2700/* Some operating systems have this as a macro, which in turn expands to a comma
2701 expression, and the last sub-expression is something that gets calculated,
2702 and then they have the gall to warn that a value computed is not used. Hence
2703 cast to void. */
2704# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2705# else
2f42fcb0 2706# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2707# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2708# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2709# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2710# else
2711# define PERL_FPU_INIT
2f42fcb0 2712
7014c407 2713# endif
c77b533b
JH
2714# endif
2715#endif
b35112e7
CS
2716#ifndef PERL_FPU_PRE_EXEC
2717# define PERL_FPU_PRE_EXEC {
2718# define PERL_FPU_POST_EXEC }
2719#endif
c77b533b 2720
cbec8ebe
DM
2721#ifndef PERL_SYS_INIT3_BODY
2722# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2723#endif
2724
eb533572 2725/*
4ad9e498 2726=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2727Provides system-specific tune up of the C runtime environment necessary to
2728run Perl interpreters. This should be called only once, before creating
2729any Perl interpreters.
2730
4ad9e498 2731=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2732Provides system-specific tune up of the C runtime environment necessary to
2733run Perl interpreters. This should be called only once, before creating
2734any Perl interpreters.
2735
2736=for apidoc Am|void|PERL_SYS_TERM|
2737Provides system-specific clean up of the C runtime environment after
2738running Perl interpreters. This should be called only once, after
2739freeing any remaining Perl interpreters.
2740
2741=cut
2742 */
2743
cbec8ebe
DM
2744#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2745#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2746#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2747
be708cc0
JH
2748#ifndef PERL_WRITE_MSG_TO_CONSOLE
2749# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2750#endif
2751
0f31cffe
GS
2752#ifndef MAXPATHLEN
2753# ifdef PATH_MAX
b990c8b2
JH
2754# ifdef _POSIX_PATH_MAX
2755# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2756/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2757 * included the null byte or not. Later amendments of POSIX,
2758 * XPG4, the Austin Group, and the Single UNIX Specification
2759 * all explicitly include the null byte in the PATH_MAX.
2760 * Ditto for _POSIX_PATH_MAX. */
2761# define MAXPATHLEN PATH_MAX
b990c8b2 2762# else
09448d78 2763# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2764# endif
2765# else
2766# define MAXPATHLEN (PATH_MAX+1)
2767# endif
0f31cffe 2768# else
d552bce8 2769# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2770# endif
2771#endif
2772
c80263a8
SH
2773/* In case Configure was not used (we are using a "canned config"
2774 * such as Win32, or a cross-compilation setup, for example) try going
2775 * by the gcc major and minor versions. One useful URL is
2776 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2777 * but contrary to this information warn_unused_result seems
2778 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2779 * Also, when building extensions with an installed perl, this allows
2780 * the user to upgrade gcc and get the right attributes, rather than
2781 * relying on the list generated at Configure time. --AD
c80263a8
SH
2782 * Set these up now otherwise we get confused when some of the <*thread.h>
2783 * includes below indirectly pull in <perlio.h> (which needs to know if we
2784 * have HASATTRIBUTE_FORMAT).
2785 */
2786
4d7c7898 2787#ifndef PERL_MICRO
fc2007d4 2788#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2789# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2790# define HASATTRIBUTE_DEPRECATED
2791# endif
c80263a8
SH
2792# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2793# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2794# if defined __MINGW32__
2795# define PRINTF_FORMAT_NULL_OK
2796# endif
c80263a8
SH
2797# endif
2798# if __GNUC__ >= 3 /* 3.0 -> */
2799# define HASATTRIBUTE_MALLOC
2800# endif
2801# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2802# define HASATTRIBUTE_NONNULL
2803# endif
2804# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2805# define HASATTRIBUTE_NORETURN
2806# endif
2807# if __GNUC__ >= 3 /* gcc 3.0 -> */
2808# define HASATTRIBUTE_PURE
2809# endif
42bf5550 2810# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2811# define HASATTRIBUTE_UNUSED
2812# endif
d324fe49
AD
2813# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2814# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2815# endif
c80263a8
SH
2816# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2817# define HASATTRIBUTE_WARN_UNUSED_RESULT
2818# endif
2819#endif
00f254e2 2820#endif /* #ifndef PERL_MICRO */
c80263a8 2821
3db8f154 2822/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2823 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2824 * this results in many functions being undeclared which bothers C++
2825 * May make sense to have threads after "*ish.h" anyway
2826 */
2827
3db8f154 2828#if defined(USE_ITHREADS)
2986a63f
JH
2829# ifdef NETWARE
2830# include <nw5thread.h>
2831# else
32f822de
GS
2832# ifdef FAKE_THREADS
2833# include "fakethr.h"
2834# else
2835# ifdef WIN32
2836# include <win32thread.h>
2837# else
dd96f567
IZ
2838# ifdef OS2
2839# include "os2thread.h"
2840# else
7f3d1cf1 2841# ifdef I_MACH_CTHREADS
bdd66968 2842# include <mach/cthreads.h>
8f1f23e8 2843# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2844# define MUTEX_INIT_CALLS_MALLOC
2845# endif
7f3d1cf1
BH
2846typedef cthread_t perl_os_thread;
2847typedef mutex_t perl_mutex;
2848typedef condition_t perl_cond;
2849typedef void * perl_key;
2850# else /* Posix threads */
1f5ae88c
JH
2851# ifdef I_PTHREAD
2852# include <pthread.h>
2853# endif
7f3d1cf1
BH
2854typedef pthread_t perl_os_thread;
2855typedef pthread_mutex_t perl_mutex;
2856typedef pthread_cond_t perl_cond;
2857typedef pthread_key_t perl_key;
2858# endif /* I_MACH_CTHREADS */
dd96f567 2859# endif /* OS2 */
32f822de
GS
2860# endif /* WIN32 */
2861# endif /* FAKE_THREADS */
2986a63f 2862#endif /* NETWARE */
3db8f154 2863#endif /* USE_ITHREADS */
c5be433b 2864
66a93824 2865#if defined(WIN32)
1feb2720 2866# include "win32.h"
c5be433b
GS
2867#endif
2868
2986a63f
JH
2869#ifdef NETWARE
2870# include "netware.h"
2871#endif
2872
e5218da5 2873#define STATUS_UNIX PL_statusvalue
68dc0745 2874#ifdef VMS
6b88bc9c 2875# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2876/*
2877 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2878 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2879 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2880 * be updated also.
2881 */
2882# include <stsdef.h>
2883# include <ssdef.h>
2884/* Presume this because if VMS changes it, it will require a new
2885 * set of APIs for waiting on children for binary compatibility.
2886 */
2887# define child_offset_bits (8)
2888# ifndef C_FAC_POSIX
2889# define C_FAC_POSIX 0x35A000
2890# endif
2891
2892/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2893 * platform from the existing UNIX or Native status values.
2894 */
2895
37038d91 2896# define STATUS_EXIT \
7a7fd8e0
JM
2897 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2898 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2899
7a7fd8e0 2900
fb38d079
JM
2901/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2902 * exit code and shifts the UNIX value over the correct number of bits to
2903 * be a child status. Usually the number of bits is 8, but that could be
2904 * platform dependent. The NATIVE status code is presumed to have either
2905 * from a child process.
7a7fd8e0
JM
2906 */
2907
fb38d079
JM
2908/* This is complicated. The child processes return a true native VMS
2909 status which must be saved. But there is an assumption in Perl that
2910 the UNIX child status has some relationship to errno values, so
00f254e2 2911 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2912 In order to get the string translation correct, for the error, errno
2913 must be EVMSERR, but that generates a different text message
2914 than what the test programs are expecting. So an errno value must
2915 be derived from the native status value when an error occurs.
2916 That will hide the true native status message. With this version of
2917 perl, the true native child status can always be retrieved so that
2918 is not a problem. But in this case, Pl_statusvalue and errno may
2919 have different values in them.
2920 */
7a7fd8e0 2921
fb38d079 2922# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2923 STMT_START { \
2fbb330f
JM
2924 I32 evalue = (I32)n; \
2925 if (evalue == EVMSERR) { \
2926 PL_statusvalue_vms = vaxc$errno; \
2927 PL_statusvalue = evalue; \
7a7fd8e0 2928 } else { \
2fbb330f 2929 PL_statusvalue_vms = evalue; \
fb38d079 2930 if (evalue == -1) { \
3280af22 2931 PL_statusvalue = -1; \
7a7fd8e0
JM
2932 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2933 } else \
fb38d079 2934 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2935 set_vaxc_errno(evalue); \
fb38d079
JM
2936 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2937 set_errno(EVMSERR); \
2938 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2939 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2940 } \
68dc0745 2941 } STMT_END
7a7fd8e0 2942
68dc0745 2943# ifdef VMSISH_STATUS
e5218da5 2944# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2945# else
e5218da5 2946# define STATUS_CURRENT STATUS_UNIX
68dc0745 2947# endif
7a7fd8e0
JM
2948
2949 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2950 * the NATIVE status to an equivalent value. Can not be used to translate
2951 * exit code values as exit code values are not guaranteed to have any
2952 * relationship at all to errno values.
2953 * This is used when Perl is forcing errno to have a specific value.
2954 */
e5218da5 2955# define STATUS_UNIX_SET(n) \
68dc0745 2956 STMT_START { \
7a7fd8e0 2957 I32 evalue = (I32)n; \
0968cdad 2958 PL_statusvalue = evalue; \
3280af22 2959 if (PL_statusvalue != -1) { \
0968cdad
JM
2960 if (PL_statusvalue != EVMSERR) { \
2961 PL_statusvalue &= 0xFFFF; \
2962 if (MY_POSIX_EXIT) \
2963 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2964 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2965 } \
2966 else { \
2967 PL_statusvalue_vms = vaxc$errno; \
2968 } \
68dc0745 2969 } \
0968cdad
JM
2970 else PL_statusvalue_vms = SS$_ABORT; \
2971 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2972 } STMT_END
2973
2974 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2975 * the NATIVE error status based on it.
2976 *
2977 * When in the default mode to comply with the Perl VMS documentation,
2978 * 0 is a success and any other code sets the NATIVE status to a failure
2979 * code of SS$_ABORT.
fb38d079
JM
2980 *
2981 * In the new POSIX EXIT mode, native status will be set so that the
2982 * actual exit code will can be retrieved by the calling program or
2983 * shell.
2984 *
2985 * If the exit code is not clearly a UNIX parent or child exit status,
2986 * it will be passed through as a VMS status.
7a7fd8e0
JM
2987 */
2988
fb38d079 2989# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2990 STMT_START { \
2991 I32 evalue = (I32)n; \
2992 PL_statusvalue = evalue; \
e08e1e1d
JM
2993 if (MY_POSIX_EXIT) { \
2994 if (evalue <= 0xFF00) { \
2995 if (evalue > 0xFF) \
2996 evalue = (evalue >> child_offset_bits) & 0xFF; \
2997 PL_statusvalue_vms = \
2998 (C_FAC_POSIX | (evalue << 3 ) | \
2999 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3000 } else /* forgive them Perl, for they have sinned */ \
3001 PL_statusvalue_vms = evalue; \
3002 } else { \
3003 if (evalue == 0) \
3004 PL_statusvalue_vms = SS$_NORMAL; \
3005 else if (evalue <= 0xFF00) \
3006 PL_statusvalue_vms = SS$_ABORT; \
3007 else { /* forgive them Perl, for they have sinned */ \
3008 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3009 else PL_statusvalue_vms = vaxc$errno; \
3010 /* And obviously used a VMS status value instead of UNIX */ \
3011 PL_statusvalue = EVMSERR; \
3012 } \
3013 set_vaxc_errno(PL_statusvalue_vms); \
3014 } \
68dc0745 3015 } STMT_END
fb38d079 3016
e08e1e1d 3017
6ac6a52b
JM
3018 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3019 * and sets the NATIVE error status based on it. This special case
3020 * is needed to maintain compatibility with past VMS behavior.
3021 *
3022 * In the default mode on VMS, this number is passed through as
3023 * both the NATIVE and UNIX status. Which makes it different
3024 * that the STATUS_UNIX_EXIT_SET.
3025 *
3026 * In the new POSIX EXIT mode, native status will be set so that the
3027 * actual exit code will can be retrieved by the calling program or
3028 * shell.
3029 *
1a3aec58
JM
3030 * A POSIX exit code is from 0 to 255. If the exit code is higher
3031 * than this, it needs to be assumed that it is a VMS exit code and
3032 * passed through.
6ac6a52b
JM
3033 */
3034
3035# define STATUS_EXIT_SET(n) \
3036 STMT_START { \
3037 I32 evalue = (I32)n; \
3038 PL_statusvalue = evalue; \
3039 if (MY_POSIX_EXIT) \
1a3aec58
JM
3040 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3041 PL_statusvalue_vms = \
3042 (C_FAC_POSIX | (evalue << 3 ) | \
3043 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3044 else \
3045 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3046 set_vaxc_errno(PL_statusvalue_vms); \
3047 } STMT_END
3048
fb38d079
JM
3049
3050 /* This macro forces a success status */
7a7fd8e0
JM
3051# define STATUS_ALL_SUCCESS \
3052 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3053
3054 /* This macro forces a failure status */
7a7fd8e0
JM
3055# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3056 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3057 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3058
68dc0745 3059#else
e5218da5 3060# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3061# if defined(WCOREDUMP)
37038d91 3062# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3063 STMT_START { \
3064 PL_statusvalue_posix = (n); \
3065 if (PL_statusvalue_posix == -1) \
3066 PL_statusvalue = -1; \
3067 else { \
3068 PL_statusvalue = \
3069 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3070 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3071 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3072 } \
3073 } STMT_END
3074# elif defined(WIFEXITED)
37038d91 3075# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3076 STMT_START { \
3077 PL_statusvalue_posix = (n); \
3078 if (PL_statusvalue_posix == -1) \
3079 PL_statusvalue = -1; \
3080 else { \
3081 PL_statusvalue = \
3082 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3083 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3084 } \
3085 } STMT_END
3086# else
37038d91 3087# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3088 STMT_START { \
3089 PL_statusvalue_posix = (n); \
3090 if (PL_statusvalue_posix == -1) \
3091 PL_statusvalue = -1; \
3092 else { \
3093 PL_statusvalue = \
3094 PL_statusvalue_posix & 0xFFFF; \
3095 } \
3096 } STMT_END
3097# endif
3098# define STATUS_UNIX_SET(n) \
68dc0745 3099 STMT_START { \
3280af22
NIS
3100 PL_statusvalue = (n); \
3101 if (PL_statusvalue != -1) \
3102 PL_statusvalue &= 0xFFFF; \
68dc0745 3103 } STMT_END
7a7fd8e0 3104# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3105# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3106# define STATUS_CURRENT STATUS_UNIX
37038d91 3107# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3108# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3109# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3110#endif
3111
cc3604b1
GS
3112/* flags in PL_exit_flags for nature of exit() */
3113#define PERL_EXIT_EXPECTED 0x01
31d77e54 3114#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3115
b79b76e0 3116#ifndef PERL_CORE
a7cb1f99 3117/* format to use for version numbers in file/directory names */
273cf8d1 3118/* XXX move to Configure? */
b79b76e0
NC
3119/* This was only ever used for the current version, and that can be done at
3120 compile time, as PERL_FS_VERSION, so should we just delete it? */
3121# ifndef PERL_FS_VER_FMT
3122# define PERL_FS_VER_FMT "%d.%d.%d"
3123# endif
3124#endif
3125
3126#ifndef PERL_FS_VERSION
3127# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3128#endif
3129
45bc9206 3130/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3131 * performance issue, so we allow people to disable it. Also, if
3132 * we are using stdio, there are broken implementations of fflush(NULL)
3133 * out there, Solaris being the most prominent.
45bc9206
GS
3134 */
3135#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3136# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3137# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3138# else
3139# ifdef FFLUSH_ALL
3140# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3141# else
c5be433b 3142# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3143# endif
66fe083f 3144# endif
45bc9206
GS
3145#endif
3146
7766f137
GS
3147#ifndef PERL_WAIT_FOR_CHILDREN
3148# define PERL_WAIT_FOR_CHILDREN NOOP
3149#endif
3150
ba869deb 3151/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3152#ifndef PERL_SET_INTERP
3153# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3154#endif
3155
3156#ifndef PERL_GET_INTERP
3157# define PERL_GET_INTERP (PL_curinterp)
3158#endif
3159
54aff467 3160#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3161# ifdef MULTIPLICITY
ba869deb 3162# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3163# endif
ba869deb
GS
3164# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3165#endif
3166
00f254e2 3167/*
8896765a 3168 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3169 All that is required is that the perl source does not
00f254e2
KW
3170 use "%-p" or "%-<number>p" or "%<number>p" formats.
3171 These formats will still work in perl code.
486ec47a 3172 See comments in sv.c for further details.
8896765a 3173
8896765a 3174 Robin Barker 2005-07-14
f46d31f2 3175
00f254e2 3176 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3177*/
8896765a
RB
3178
3179#ifndef SVf_
63ce7bf0 3180# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3181#endif
3182
8896765a 3183#ifndef SVf
104abab4 3184# define SVf "-p"
d2560b70
RB
3185#endif
3186
014ead4b 3187#ifndef SVf32
8896765a 3188# define SVf32 SVf_(32)
014ead4b
RB
3189#endif
3190
3191#ifndef SVf256
8896765a
RB
3192# define SVf256 SVf_(256)
3193#endif
3194
be2597df
MHM
3195#define SVfARG(p) ((void*)(p))
3196
20023040
FC
3197#ifndef HEKf
3198# define HEKf "2p"
3199#endif
3200
b8fa5213
FC
3201/* Not ideal, but we cannot easily include a number in an already-numeric
3202 * format sequence. */
3203#ifndef HEKf256
3204# define HEKf256 "3p"
3205#endif
3206
20023040
FC
3207#define HEKfARG(p) ((void*)(p))
3208
f46d31f2 3209#ifdef PERL_CORE
486ec47a 3210/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3211# undef VDf
3212#else
3213# ifndef VDf
8896765a
RB
3214# define VDf "vd"
3215# endif
014ead4b 3216#endif
170cd9e9
NC
3217
3218#ifdef PERL_CORE
486ec47a 3219/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3220# undef UVf
3221#else
170cd9e9
NC
3222# ifndef UVf
3223# define UVf UVuf
3224# endif
d2560b70
RB
3225#endif
3226
fcdf39cf
RGS
3227#ifdef HASATTRIBUTE_DEPRECATED
3228# define __attribute__deprecated__ __attribute__((deprecated))
3229#endif
0dbb1585
AL
3230#ifdef HASATTRIBUTE_FORMAT
3231# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3232#endif
3233#ifdef HASATTRIBUTE_MALLOC
77785eea 3234# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3235#endif
0dbb1585 3236#ifdef HASATTRIBUTE_NONNULL
abb2c242 3237# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3238#endif
0dbb1585 3239#ifdef HASATTRIBUTE_NORETURN
abb2c242 3240# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3241#endif
0dbb1585 3242#ifdef HASATTRIBUTE_PURE
abb2c242 3243# define __attribute__pure__ __attribute__((pure))
f22be1b8 3244#endif
0dbb1585
AL
3245#ifdef HASATTRIBUTE_UNUSED
3246# define __attribute__unused__ __attribute__((unused))
3247#endif
3248#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3249# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3250#endif
3251
0dbb1585 3252/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3253#ifndef __attribute__deprecated__
3254# define __attribute__deprecated__
3255#endif
0dbb1585
AL
3256#ifndef __attribute__format__
3257# define __attribute__format__(x,y,z)
3258#endif
f22be1b8 3259#ifndef __attribute__malloc__
abb2c242 3260# define __attribute__malloc__
f22be1b8
JH
3261#endif
3262#ifndef __attribute__nonnull__
abb2c242 3263# define __attribute__nonnull__(a)
f22be1b8
JH
3264#endif
3265#ifndef __attribute__noreturn__
abb2c242 3266# define __attribute__noreturn__
f22be1b8
JH
3267#endif
3268#ifndef __attribute__pure__
abb2c242 3269# define __attribute__pure__
f22be1b8 3270#endif
0dbb1585
AL
3271#ifndef __attribute__unused__
3272# define __attribute__unused__
3273#endif
f22be1b8 3274#ifndef __attribute__warn_unused_result__
abb2c242
JH
3275# define __attribute__warn_unused_result__
3276#endif
3277
0dbb1585
AL
3278/* For functions that are marked as __attribute__noreturn__, it's not
3279 appropriate to call return. In either case, include the lint directive.
3280 */
3281#ifdef HASATTRIBUTE_NORETURN
118e2215 3282# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3283#else
118e2215 3284# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3285#endif
3286
cdfeb707
RB
3287/* Some OS warn on NULL format to printf */
3288#ifdef PRINTF_FORMAT_NULL_OK
3289# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3290#else
00f254e2 3291# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3292#endif
3293
635aebb7 3294#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3295# define EXPECT(expr,val) __builtin_expect(expr,val)
3296#else
3297# define EXPECT(expr,val) (expr)
3298#endif
3299#define LIKELY(cond) EXPECT(cond,1)
3300#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3301#ifdef HAS_BUILTIN_CHOOSE_EXPR
3302/* placeholder */
3303#endif
b37c2d43 3304
3fc1aec6
PP
3305/* Some unistd.h's give a prototype for pause() even though
3306 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3307 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3308*/
3309#ifdef HAS_PAUSE
3310#define Pause pause
3311#else
3312#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3313#endif
3314
3315#ifndef IOCPARM_LEN
3316# ifdef IOCPARM_MASK
61f1c44b 3317 /* on BSDish systems we're safe */
748a9306
LW
3318# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3319# else
61f1c44b 3320# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3321 /* on Linux systems we're safe; except when we're not [perl #38223] */
3322# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3323# else
748a9306 3324 /* otherwise guess at what's safe */
61f1c44b
JVD
3325# define IOCPARM_LEN(x) 256
3326# endif
748a9306 3327# endif
a0d0e21e
LW
3328#endif
3329
1761cee5 3330#if defined(__CYGWIN__)
521e0776
GS
3331/* USEMYBINMODE
3332 * This symbol, if defined, indicates that the program should
16fe6d59 3333 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3334 * that a file is in "binary" mode -- that is, that no translation
3335 * of bytes occurs on read or write operations.
3336 */
36894f0b 3337# define USEMYBINMODE /**/
77a40698 3338# include <io.h> /* for setmode() prototype */
16fe6d59 3339# define my_binmode(fp, iotype, mode) \
77a40698 3340 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3341#endif
3342
88d10794
JH
3343#ifdef __CYGWIN__
3344void init_os_extras(void);
3345#endif
3346
cea2e8a9
GS
3347#ifdef UNION_ANY_DEFINITION
3348UNION_ANY_DEFINITION;
3349#else
3350union any {
3351 void* any_ptr;
3352 I32 any_i32;
3353 IV any_iv;
c6bf6a65 3354 UV any_uv;
cea2e8a9 3355 long any_long;
9febdf04 3356 bool any_bool;
c76ac1ee 3357 void (*any_dptr) (void*);
acfe0abc 3358 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3359};
3360#endif
3361
acfe0abc 3362typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3363
3364#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3365#define FILTER_DATA(idx) \
3366 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3367#define FILTER_ISREADER(idx) \
3368 (PL_parser && PL_parser->rsfp_filters \
3369 && idx >= AvFILLp(PL_parser->rsfp_filters))
3370#define PERL_FILTER_EXISTS(i) \
3371 (PL_parser && PL_parser->rsfp_filters \
3372 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3373
c5078cac
JH
3374#if defined(_AIX) && !defined(_AIX43)
3375#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3376/* We cannot include <crypt.h> to get the struct crypt_data
3377 * because of setkey prototype problems when threading */
3378typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3379 /* From OSF, Not needed in AIX
3380 char C[28], D[28];
3381 */
3382 char E[48];
3383 char KS[16][48];
3384 char block[66];
3385 char iobuf[16];
3386} CRYPTD;
3387#endif /* threading */
3388#endif /* AIX */
3389
e37778c2 3390#if !defined(OS2)
2c2d71f5
JH
3391# include "iperlsys.h"
3392#endif
504f80c1 3393
9c12f1e5 3394#ifdef __LIBCATAMOUNT__
00f254e2 3395#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3396#undef HAS_GROUP
3397#define FAKE_BIT_BUCKET
3398#endif
3399
d10dc2ae
JH
3400/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3401 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3402 * defined by Configure, despite their names being similar to the
3403 * other defines like USE_ITHREADS. Configure in fact knows nothing
3404 * about the randomised hashes. Therefore to enable/disable the hash
3405 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3406#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3407# define USE_HASH_SEED
504f80c1
JH
3408#endif
3409
598921a7
NC
3410/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3411 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3412 * it's not really needed.
3413 */
3414#if defined(WIN32)
3415# define YYTOKENTYPE
3416#endif
3417#include "perly.h"
3418
3419#ifdef PERL_MAD
3420struct nexttoken {
3421 YYSTYPE next_val; /* value of next token, if any */
3422 I32 next_type; /* type of next token */
3423 MADPROP *next_mad; /* everything else about that token */
3424};
3425#endif
3426
654eccd5
JD
3427/* macros to define bit-fields in structs. */
3428#ifndef PERL_BITFIELD8
3429# define PERL_BITFIELD8 unsigned
3430#endif
3431#ifndef PERL_BITFIELD16
3432# define PERL_BITFIELD16 unsigned
3433#endif
3434#ifndef PERL_BITFIELD32
3435# define PERL_BITFIELD32 unsigned
3436#endif
3437
79072805 3438#include "sv.h"
288b8c02 3439#include "regexp.h"
378cc40b 3440#include "util.h"
8d063cd8 3441#include "form.h"
79072805 3442#include "gv.h"
dd2155a4 3443#include "pad.h"
79072805 3444#include "cv.h"
abdd5c84 3445#include "opnames.h"
79072805 3446#include "op.h"
b3ca2e83 3447#include "hv.h"
79072805
LW
3448#include "cop.h"
3449#include "av.h"
79072805
LW
3450#include "mg.h"
3451#include "scope.h"
4438c4b7 3452#include "warnings.h"
a0ed51b3 3453#include "utf8.h"
8d063cd8 3454
0d7d409d
DM
3455/* these would be in doio.h if there was such a file */
3456#define my_stat() my_stat_flags(SV_GMAGIC)
3457#define my_lstat() my_lstat_flags(SV_GMAGIC)
3458
20f4945e 3459/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3460#undef _XPV_HEAD
3461#undef _XPVMG_HEAD
3462#undef _XPVCV_COMMON
7fae4e64
GS
3463
3464typedef struct _sublex_info SUBLEXINFO;
3465struct _sublex_info {
651b5b28
NC
3466 U8 super_state; /* lexer state to save */
3467 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3468 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3469 char *super_bufptr; /* PL_parser->bufptr that was */
3470 char *super_bufend; /* PL_parser->bufend that was */
9da1dd8f 3471 char *re_eval_start;/* start of "(?{..." text */
7fae4e64
GS
3472};
3473
199e78b7
DM
3474#include "parser.h"
3475
455ece5e 3476typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3477
2c2d71f5 3478struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3479struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3480
5f7fde29
GS
3481struct ptr_tbl_ent {
3482 struct ptr_tbl_ent* next;
53c1dcc0 3483 const void* oldval;
5f7fde29 3484 void* newval;
d18c6117
GS
3485};
3486
5f7fde29
GS
3487struct ptr_tbl {
3488 struct ptr_tbl_ent** tbl_ary;
3489 UV tbl_max;
3490 UV tbl_items;
db93c0c4
NC
3491 struct ptr_tbl_arena *tbl_arena;
3492 struct ptr_tbl_ent *tbl_arena_next;
3493 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3494};
3495
fe14fcc3
LW
3496#if defined(htonl) && !defined(HAS_HTONL)
3497#define HAS_HTONL
ae986130 3498#endif
fe14fcc3
LW
3499#if defined(htons) && !defined(HAS_HTONS)
3500#define HAS_HTONS
ae986130 3501#endif
fe14fcc3
LW
3502#if defined(ntohl) && !defined(HAS_NTOHL)
3503#define HAS_NTOHL
ae986130 3504#endif
fe14fcc3
LW
3505#if defined(ntohs) && !defined(HAS_NTOHS)
3506#define HAS_NTOHS
ae986130 3507#endif
fe14fcc3 3508#ifndef HAS_HTONL
d9d8d8de 3509#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3510#define HAS_HTONS
3511#define HAS_HTONL
3512#define HAS_NTOHS
3513#define HAS_NTOHL
a687059c
LW
3514#define MYSWAP
3515#define htons my_swap
3516#define htonl my_htonl
3517#define ntohs my_swap
3518#define ntohl my_ntohl
3519#endif
3520#else
d9d8d8de 3521#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3522#undef HAS_HTONS
3523#undef HAS_HTONL
3524#undef HAS_NTOHS
3525#undef HAS_NTOHL
a687059c
LW
3526#endif
3527#endif
3528
988174c1
LW
3529/*
3530 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3531 * -DWS
3532 */
3533#if BYTEORDER != 0x1234
3534# define HAS_VTOHL
3535# define HAS_VTOHS
3536# define HAS_HTOVL
3537# define HAS_HTOVS
c67712b2 3538# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3539# define vtohl(x) ((((x)&0xFF)<<24) \
3540 +(((x)>>24)&0xFF) \
3541 +(((x)&0x0000FF00)<<8) \
3542 +(((x)&0x00FF0000)>>8) )
3543# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3544# define htovl(x) vtohl(x)
3545# define htovs(x) vtohs(x)
3546# endif
3547 /* otherwise default to functions in util.c */
2a8c3029 3548#ifndef htovs
c623ac67
GS
3549short htovs(short n);
3550short vtohs(short n);
3551long htovl(long n);
3552long vtohl(long n);
988174c1 3553#endif
2a8c3029 3554#endif
988174c1 3555
3bb7c1b4
JH
3556/* *MAX Plus 1. A floating point value.
3557 Hopefully expressed in a way that dodgy floating point can't mess up.
3558 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3559 is added to it
3560 May find that some broken compiler will want the value cast to I32.
3561 [after the shift, as signed >> may not be as secure as unsigned >>]
3562*/
3563#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3564#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3565/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3566 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3567 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3568*/
3569#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3570
3bb7c1b4
JH
3571#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3572#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3573#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3574
3575/* This may look like unnecessary jumping through hoops, but converting
3576 out of range floating point values to integers *is* undefined behaviour,
3577 and it is starting to bite.
3578*/
3579#ifndef CAST_INLINE
65202027 3580#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3581#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3582#define I_V(what) (cast_iv((NV)(what)))
3583#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3584#else
3585#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3586 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3587 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3588#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3589 : ((n) < U32_MAX_P1 ? (U32) (n) \
3590 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3591#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3592 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3593 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3594#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3595 : ((n) < UV_MAX_P1 ? (UV) (n) \
3596 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3597#endif
3598
3599#define U_S(what) ((U16)U_32(what))
3600#define U_I(what) ((unsigned int)U_32(what))
3601#define U_L(what) U_32(what)
ed6116ce 3602
ed140128
AD
3603#ifdef HAS_SIGNBIT
3604# define Perl_signbit signbit
3605#endif
3606
2d4389e4
JH
3607/* These do not care about the fractional part, only about the range. */
3608#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3609#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3610
25da4f38
IZ
3611/* Used with UV/IV arguments: */
3612 /* XXXX: need to speed it up */
3613#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3614#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3615
352d5a3a
LW
3616#ifndef MAXSYSFD
3617# define MAXSYSFD 2
3618#endif
ee0007ab 3619
79072805 3620#ifndef __cplusplus
27da23d5 3621#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3622Uid_t getuid (void);
3623Uid_t geteuid (void);
3624Gid_t getgid (void);
3625Gid_t getegid (void);
79072805 3626#endif
e1caacb4 3627#endif
8d063cd8 3628
0c30d9ec 3629#ifndef Perl_debug_log
bf49b057
GS
3630# define Perl_debug_log PerlIO_stderr()
3631#endif
3632
3633#ifndef Perl_error_log
3634# define Perl_error_log (PL_stderrgv \
6b78add2 3635 && isGV(PL_stderrgv) \
01bb7c6d 3636 && GvIOp(PL_stderrgv) \
42de951c 3637 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3638 ? IoOFP(GvIOp(PL_stderrgv)) \
3639 : PerlIO_stderr())
0c30d9ec 3640#endif
3967c732 3641
aea4f609
DM
3642
3643#define DEBUG_p_FLAG 0x00000001 /* 1 */
3644#define DEBUG_s_FLAG 0x00000002 /* 2 */
3645#define DEBUG_l_FLAG 0x00000004 /* 4 */
3646#define DEBUG_t_FLAG 0x00000008 /* 8 */
3647#define DEBUG_o_FLAG 0x00000010 /* 16 */
3648#define DEBUG_c_FLAG 0x00000020 /* 32 */
3649#define DEBUG_P_FLAG 0x00000040 /* 64 */
3650#define DEBUG_m_FLAG 0x00000080 /* 128 */
3651#define DEBUG_f_FLAG 0x00000100 /* 256 */
3652#define DEBUG_r_FLAG 0x00000200 /* 512 */
3653#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3654#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3655/* U is reserved for Unofficial, exploratory hacking */
3656#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3657#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3658#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3659#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3660#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3661#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3662#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3663#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3664#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3665#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3666#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3667#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3668#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3669#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3670#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3671
3672#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3673#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3674 that something was done? */
aea4f609 3675
bd16a5f0
IZ
3676# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3677# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3678# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3679# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3680# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3681# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3682# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3683# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3684# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3685# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3686# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3687# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3688# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3689# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3690# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3691# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3692# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3693# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3694# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3695# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3696# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3697# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3698# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3699# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3700# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3701# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3702# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3703# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3704# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3705
3967c732 3706#ifdef DEBUGGING
aea4f609 3707
bd16a5f0
IZ
3708# define DEBUG_p_TEST DEBUG_p_TEST_
3709# define DEBUG_s_TEST DEBUG_s_TEST_
3710# define DEBUG_l_TEST DEBUG_l_TEST_
3711# define DEBUG_t_TEST DEBUG_t_TEST_
3712# define DEBUG_o_TEST DEBUG_o_TEST_
3713# define DEBUG_c_TEST DEBUG_c_TEST_
3714# define DEBUG_P_TEST DEBUG_P_TEST_
3715# define DEBUG_m_TEST DEBUG_m_TEST_
3716# define DEBUG_f_TEST DEBUG_f_TEST_
3717# define DEBUG_r_TEST DEBUG_r_TEST_
3718# define DEBUG_x_TEST DEBUG_x_TEST_
3719# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3720# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3721# define DEBUG_H_TEST DEBUG_H_TEST_
3722# define DEBUG_X_TEST DEBUG_X_TEST_
3723# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3724# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3725# define DEBUG_T_TEST DEBUG_T_TEST_
3726# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3727# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3728# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3729# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3730# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3731# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3732# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3733# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3734# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3735# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3736# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3737
488b0c7a
JH
3738# define PERL_DEB(a) a
3739# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3740# define DEBUG_p(a) if (DEBUG_p_TEST) a
3741# define DEBUG_s(a) if (DEBUG_s_TEST) a
3742# define DEBUG_l(a) if (DEBUG_l_TEST) a
3743# define DEBUG_t(a) if (DEBUG_t_TEST) a
3744# define DEBUG_o(a) if (DEBUG_o_TEST) a
3745# define DEBUG_c(a) if (DEBUG_c_TEST) a
3746# define DEBUG_P(a) if (DEBUG_P_TEST) a
3747
969058bb
VK
3748 /* Temporarily turn off memory debugging in case the a
3749 * does memory allocation, either directly or indirectly. */
acfe0abc 3750# define DEBUG_m(a) \
0b250b9e 3751 STMT_START { \
aea4f609 3752 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3753 } STMT_END
aea4f609 3754
5f80b19c
AMS
3755# define DEBUG__(t, a) \
3756 STMT_START { \
3757 if (t) STMT_START {a;} STMT_END; \
3758 } STMT_END
3759
3760# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3761#ifndef PERL_EXT_RE_BUILD
5f80b19c 3762# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3763#else
3764# define DEBUG_r(a) STMT_START {a;} STMT_END
3765#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3766# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3767# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3768# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3769# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3770# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3771# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3772# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3773# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3774# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3775
56967202 3776# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3777# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3778# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3779# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3780# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3781# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3782# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3783# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3784# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM