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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
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51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
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58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
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62# define MULTIPLICITY
63# endif
64#endif
65
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66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
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72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
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78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
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84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
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97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
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104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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114# define USE_REENTRANT_API
115#endif
116
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117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
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120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
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130#undef START_EXTERN_C
131#undef END_EXTERN_C
132#undef EXTERN_C
133#ifdef __cplusplus
134# define START_EXTERN_C extern "C" {
135# define END_EXTERN_C }
136# define EXTERN_C extern "C"
137#else
138# define START_EXTERN_C
139# define END_EXTERN_C
140# define EXTERN_C extern
141#endif
142
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143/* Fallback definitions in case we don't have definitions from config.h.
144 This should only matter for systems that don't use Configure and
145 haven't been modified to define PERL_STATIC_INLINE yet.
146*/
147#if !defined(PERL_STATIC_INLINE)
148# ifdef HAS_STATIC_INLINE
149# define PERL_STATIC_INLINE static inline
150# else
151# define PERL_STATIC_INLINE static
152# endif
153#endif
154
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155#ifdef PERL_GLOBAL_STRUCT
156# ifndef PERL_GET_VARS
157# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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159# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
160# ifndef PERLIO_FUNCS_CONST
161# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
162# endif
163# else
164# define PERL_GET_VARS() PL_VarsPtr
165# endif
166# endif
167#endif
168
7a89be66 169#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
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170
171#ifdef PERL_GLOBAL_STRUCT
172# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
173#else
174# define dVAR dNOOP
175#endif
176
c5be433b 177#ifdef PERL_IMPLICIT_CONTEXT
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178# ifndef MULTIPLICITY
179# define MULTIPLICITY
c5be433b 180# endif
e8dda941 181# define tTHX PerlInterpreter*
5ba4cab2 182# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 183# define aTHX my_perl
27da23d5 184# ifdef PERL_GLOBAL_STRUCT
e8dda941 185# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 186# else
e8dda941 187# define dTHXa(a) pTHX = (tTHX)a
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188# endif
189# ifdef PERL_GLOBAL_STRUCT
190# define dTHX dVAR; pTHX = PERL_GET_THX
191# else
192# define dTHX pTHX = PERL_GET_THX
193# endif
c5be433b 194# define pTHX_ pTHX,
c5be433b 195# define aTHX_ aTHX,
4373e329 196# define pTHX_1 2
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197# define pTHX_2 3
198# define pTHX_3 4
199# define pTHX_4 5
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200# define pTHX_5 6
201# define pTHX_6 7
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202# define pTHX_7 8
203# define pTHX_8 9
204# define pTHX_9 10
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205# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
206# define PERL_TRACK_MEMPOOL
207# endif
208#else
209# undef PERL_TRACK_MEMPOOL
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210#endif
211
76e3520e 212#define STATIC static
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213
214#ifndef PERL_CORE
215/* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
218 * cargo-culted them.
219 */
76e3520e 220#define CPERLscope(x) x
565764a8 221#define CPERLarg void
76e3520e 222#define CPERLarg_
e3b8966e 223#define _CPERLarg
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224#define PERL_OBJECT_THIS
225#define _PERL_OBJECT_THIS
226#define PERL_OBJECT_THIS_
312caa8e 227#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 228#define MEMBER_TO_FPTR(name) name
16c91539 229#endif /* !PERL_CORE */
76e3520e 230
16c91539 231#define CALLRUNOPS PL_runops
f9f4320a 232
3ab4a224 233#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 234
16c91539 235#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 236#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO
238 (strbeg),(minend),(screamer),(data),(flags))
239#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO
241 (strend),(flags),(data))
242#define CALLREG_INTUIT_STRING(prog) \
16c91539 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 244
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YO
245#define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
247
248#define CALLREGFREE_PVT(prog) \
16c91539 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 250
2fdbfb4d 251#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 253
2fdbfb4d 254#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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256
257#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 259
192b9cd1 260#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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262
263#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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265
266#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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268
269#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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271
272#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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274
275#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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277
278#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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280
281#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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283
284#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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286
287#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 289
49d7dfbc 290#define CALLREG_PACKAGE(rx) \
16c91539 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 292
00f254e2 293#if defined(USE_ITHREADS)
f9f4320a 294#define CALLREGDUPE(prog,param) \
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295 Perl_re_dup(aTHX_ (prog),(param))
296
297#define CALLREGDUPE_PVT(prog,param) \
16c91539 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 299 : (REGEXP *)NULL)
f9f4320a 300#endif
14dd3ad8 301
a20207d7 302
bcdf7404 303
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304
305
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306/*
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
309 *
310 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 311 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
315 *
316 */
1266ad8c 317
9969cdde 318#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 319# ifdef __cplusplus
5ba4cab2 320# define PERL_UNUSED_DECL
5b2bd0a5 321# else
5ba4cab2 322# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
323# endif
324#endif
44dbb695 325
5b2bd0a5 326#ifndef PERL_UNUSED_DECL
34659ad4 327# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 328# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 329# else
5ba4cab2 330# define PERL_UNUSED_DECL
b79c357a 331# endif
5b2bd0a5 332#endif
00f254e2 333
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334/* gcc -Wall:
335 * for silencing unused variables that are actually used most of the time,
a0288114 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 337 */
53c1dcc0 338#ifndef PERL_UNUSED_ARG
c99ffe5e 339# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 340# include <note.h>
53c1dcc0 341# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 342# else
53c1dcc0 343# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
344# endif
345#endif
53c1dcc0
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346#ifndef PERL_UNUSED_VAR
347# define PERL_UNUSED_VAR(x) ((void)x)
348#endif
ad73156c 349
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350#ifdef USE_ITHREADS
351# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
352#else
353# define PERL_UNUSED_CONTEXT
354#endif
355
6f207bd3 356#define NOOP /*EMPTY*/(void)0
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357/* cea2e8a9dd23747f accidentally lost the comment originally from the first
358 check in of thread.h, explaining why we need dNOOP at all: */
359/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
360/* Declaring a *function*, instead of a variable, ensures that we don't rely
361 on being able to suppress "unused" warnings. */
64a8239e 362#define dNOOP extern int Perl___notused(void)
71be2cbc 363
0cb96387 364#ifndef pTHX
e8dda941
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365/* Don't bother defining tTHX and sTHX; using them outside
366 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
367 */
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368# define pTHX void
369# define pTHX_
0cb96387
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370# define aTHX
371# define aTHX_
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372# define dTHXa(a) dNOOP
373# define dTHX dNOOP
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374# define pTHX_1 1
375# define pTHX_2 2
376# define pTHX_3 3
377# define pTHX_4 4
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378# define pTHX_5 5
379# define pTHX_6 6
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380# define pTHX_7 7
381# define pTHX_8 8
382# define pTHX_9 9
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383#endif
384
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385#ifndef dVAR
386# define dVAR dNOOP
387#endif
388
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389/* these are only defined for compatibility; should not be used internally */
390#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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391# define pTHXo pTHX
392# define pTHXo_ pTHX_
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393# define aTHXo aTHX
394# define aTHXo_ aTHX_
c5be433b 395# define dTHXo dTHX
71d280e3 396# define dTHXoa(x) dTHXa(x)
0cb96387
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397#endif
398
399#ifndef pTHXx
400# define pTHXx register PerlInterpreter *my_perl
401# define pTHXx_ pTHXx,
0cb96387
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402# define aTHXx my_perl
403# define aTHXx_ aTHXx,
c5be433b 404# define dTHXx dTHX
22c35a8c 405#endif
71be2cbc 406
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407/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
410#ifdef PERL_IMPLICIT_SYS
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411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
412# define dTHXs dVAR; dTHX
413# else
414# define dTHXs dTHX
415# endif
1de7c2ac 416#else
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417# ifdef PERL_GLOBAL_STRUCT_PRIVATE
418# define dTHXs dVAR
419# else
420# define dTHXs dNOOP
421# endif
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422#endif
423
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424/* Some platforms require marking function declarations
425 * for them to be exportable. Used in perlio.h, proto.h
426 * is handled either by the makedef.pl or by defining the
427 * PERL_CALLCONV to be something special. See also the
428 * definition of XS() in XSUB.h. */
429#ifndef PERL_EXPORT_C
a0c21aa1
JH
430# ifdef __cplusplus
431# define PERL_EXPORT_C extern "C"
432# else
433# define PERL_EXPORT_C extern
434# endif
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435#endif
436#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
437# ifdef __cplusplus
438# define PERL_XS_EXPORT_C extern "C"
439# else
440# define PERL_XS_EXPORT_C
441# endif
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442#endif
443
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MB
444#ifdef OP_IN_REGISTER
445# ifdef __GNUC__
446# define stringify_immed(s) #s
447# define stringify(s) stringify_immed(s)
d1ca3daa 448register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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MB
449# endif
450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB
454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
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463#endif
464
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JH
465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803
PP
471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
481# define STMT_END )
482# else
483 /* Now which other defined()s do we need here ??? */
93189314 484# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
485# define STMT_START if (1)
486# define STMT_END else (void)0
487# else
488# define STMT_START do
489# define STMT_END while (0)
490# endif
491# endif
492#endif
493
d6f9c181
JH
494#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
495# define BYTEORDER 0x1234
79072805
LW
496#endif
497
498/* Overall memory policy? */
499#ifndef CONSERVATIVE
500# define LIBERAL 1
501#endif
502
8ada0baa
JH
503#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
504#define ASCIIish
505#else
506#undef ASCIIish
507#endif
508
79072805
LW
509/*
510 * The following contortions are brought to you on behalf of all the
511 * standards, semi-standards, de facto standards, not-so-de-facto standards
512 * of the world, as well as all the other botches anyone ever thought of.
513 * The basic theory is that if we work hard enough here, the rest of the
514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
515 */
ac58e20f 516
ee0007ab 517/* define this once if either system, instead of cluttering up the src */
2986a63f 518#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
519#define DOSISH 1
520#endif
521
fb38d079 522#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
523# define STANDARD_C 1
524#endif
525
9969cdde 526#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
527# define DONT_DECLARE_STD 1
528#endif
529
352d5a3a 530#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 531# define VOL volatile
663a0e37 532#else
79072805 533# define VOL
663a0e37
LW
534#endif
535
3280af22
NIS
536#define TAINT (PL_tainted = TRUE)
537#define TAINT_NOT (PL_tainted = FALSE)
538#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
539#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 540#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 541
20be6587
DM
542/* flags used internally only within pp_subst and pp_substcont */
543#ifdef PERL_CORE
544# define SUBST_TAINT_STR 1 /* string tainted */
545# define SUBST_TAINT_PAT 2 /* pattern tainted */
546# define SUBST_TAINT_REPL 4 /* replacement tainted */
547# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
548# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
549#endif
550
d460ef45 551/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
552 defines move there? If so, I could simplify this a lot. --AD 9/96.
553*/
554/* Process group stuff changed from traditional BSD to POSIX.
555 perlfunc.pod documents the traditional BSD-style syntax, so we'll
556 try to preserve that, if possible.
557*/
558#ifdef HAS_SETPGID
559# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 560#else
a6e633de
PP
561# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
562# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
563# else
564# ifdef HAS_SETPGRP2 /* DG/UX */
565# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
566# endif
567# endif
568#endif
569#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
570# define HAS_SETPGRP /* Well, effectively it does . . . */
571#endif
572
573/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
574 our life easier :-) so we'll try it.
575*/
576#ifdef HAS_GETPGID
577# define BSD_GETPGRP(pid) getpgid((pid))
578#else
579# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
580# define BSD_GETPGRP(pid) getpgrp((pid))
581# else
582# ifdef HAS_GETPGRP2 /* DG/UX */
583# define BSD_GETPGRP(pid) getpgrp2((pid))
584# endif
585# endif
586#endif
587#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
588# define HAS_GETPGRP /* Well, effectively it does . . . */
589#endif
590
d460ef45 591/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
592 have different behaviors, but perl.h used to define USE_BSDPGRP
593 (prior to 5.003_05) so some extension might depend on it.
594*/
595#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
596# ifndef USE_BSDPGRP
597# define USE_BSDPGRP
598# endif
663a0e37
LW
599#endif
600
486ec47a 601/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
602 pthread.h must be included before all other header files.
603*/
3db8f154 604#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
605# include <pthread.h>
606#endif
607
760ac839
LW
608#ifndef _TYPES_ /* If types.h defines this it's easy. */
609# ifndef major /* Does everyone's types.h define this? */
610# include <sys/types.h>
c07a80fd 611# endif
663a0e37
LW
612#endif
613
760ac839
LW
614#ifdef __cplusplus
615# ifndef I_STDARG
616# define I_STDARG 1
617# endif
618#endif
619
620#ifdef I_STDARG
621# include <stdarg.h>
622#else
623# ifdef I_VARARGS
624# include <varargs.h>
625# endif
626#endif
627
4633a7c4 628#ifdef USE_NEXT_CTYPE
0c30d9ec 629
092bebab
JH
630#if NX_CURRENT_COMPILER_RELEASE >= 500
631# include <bsd/ctypes.h>
632#else
633# if NX_CURRENT_COMPILER_RELEASE >= 400
634# include <objc/NXCType.h>
635# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
636# include <appkit/NXCType.h>
637# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
638#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
639
640#else /* !USE_NEXT_CTYPE */
fe14fcc3 641#include <ctype.h>
0c30d9ec 642#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
643
644#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
645#undef METHOD
a0d0e21e
LW
646#endif
647
12ae5dfc
JH
648#ifdef PERL_MICRO
649# define NO_LOCALE
650#endif
651
4633a7c4 652#ifdef I_LOCALE
36477c24 653# include <locale.h>
4633a7c4
LW
654#endif
655
36477c24
PP
656#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
657# define USE_LOCALE
658# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
659 && defined(HAS_STRXFRM)
660# define USE_LOCALE_COLLATE
661# endif
662# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
663# define USE_LOCALE_CTYPE
664# endif
665# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
666# define USE_LOCALE_NUMERIC
667# endif
668#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 669
fe14fcc3 670#include <setjmp.h>
79072805 671
a0d0e21e 672#ifdef I_SYS_PARAM
79072805
LW
673# ifdef PARAM_NEEDS_TYPES
674# include <sys/types.h>
675# endif
676# include <sys/param.h>
352d5a3a 677#endif
79072805 678
79072805 679/* Use all the "standard" definitions? */
a0d0e21e 680#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 681# include <stdlib.h>
ff68c719 682#endif
03a14243 683
3f270f98
JH
684/* If this causes problems, set i_unistd=undef in the hint file. */
685#ifdef I_UNISTD
686# include <unistd.h>
687#endif
688
de8ca8af
NT
689/* for WCOREDUMP */
690#ifdef I_SYS_WAIT
691# include <sys/wait.h>
692#endif
693
9969cdde 694#ifdef __SYMBIAN32__
27da23d5
JH
695# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
696#endif
697
7114a2d2 698#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 699EXTERN_C int syscall(int, ...);
2ef53570
JH
700#endif
701
7114a2d2 702#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 703EXTERN_C int usleep(unsigned int);
2ef53570
JH
704#endif
705
9c12f1e5
RGS
706/* Funky places that do not have socket stuff. */
707#if defined(__LIBCATAMOUNT__)
708# define MYSWAP
709#endif
710
9a34ef1d
GS
711#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
712# define MYSWAP
713#endif
714
1109a392
MHM
715#ifdef PERL_CORE
716
717/* macros for correct constant construction */
718# if INTSIZE >= 2
719# define U16_CONST(x) ((U16)x##U)
720# else
721# define U16_CONST(x) ((U16)x##UL)
722# endif
723
724# if INTSIZE >= 4
725# define U32_CONST(x) ((U32)x##U)
726# else
727# define U32_CONST(x) ((U32)x##UL)
728# endif
729
730# ifdef HAS_QUAD
731# if INTSIZE >= 8
732# define U64_CONST(x) ((U64)x##U)
733# elif LONGSIZE >= 8
734# define U64_CONST(x) ((U64)x##UL)
735# elif QUADKIND == QUAD_IS_LONG_LONG
736# define U64_CONST(x) ((U64)x##ULL)
737# else /* best guess we can make */
738# define U64_CONST(x) ((U64)x##UL)
739# endif
740# endif
741
742/* byte-swapping functions for big-/little-endian conversion */
743# define _swab_16_(x) ((U16)( \
744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
745 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
746
747# define _swab_32_(x) ((U32)( \
748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
752
753# ifdef HAS_QUAD
754# define _swab_64_(x) ((U64)( \
755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
763# endif
764
765/*----------------------------------------------------------------------------*/
766# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htole16(x) (x)
769# define my_letoh16(x) (x)
770# define my_htole32(x) (x)
771# define my_letoh32(x) (x)
772# define my_htobe16(x) _swab_16_(x)
773# define my_betoh16(x) _swab_16_(x)
774# define my_htobe32(x) _swab_32_(x)
775# define my_betoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htole64(x) (x)
778# define my_letoh64(x) (x)
779# define my_htobe64(x) _swab_64_(x)
780# define my_betoh64(x) _swab_64_(x)
781# endif
782# define my_htoles(x) (x)
783# define my_letohs(x) (x)
784# define my_htolei(x) (x)
785# define my_letohi(x) (x)
786# define my_htolel(x) (x)
787# define my_letohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htobes(x) (x)
790# define my_betohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htobes(x) _swab_16_(x)
793# define my_betohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htobes(x) _swab_32_(x)
796# define my_betohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htobes(x) _swab_64_(x)
799# define my_betohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOBES
802# define PERL_NEED_MY_BETOHS
803# endif
804# if INTSIZE == 1
805# define my_htobei(x) (x)
806# define my_betohi(x) (x)
807# elif INTSIZE == 2
808# define my_htobei(x) _swab_16_(x)
809# define my_betohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htobei(x) _swab_32_(x)
812# define my_betohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htobei(x) _swab_64_(x)
815# define my_betohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htobel(x) (x)
822# define my_betohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htobel(x) _swab_16_(x)
825# define my_betohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htobel(x) _swab_32_(x)
828# define my_betohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htobel(x) _swab_64_(x)
831# define my_betohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOBEL
834# define PERL_NEED_MY_BETOHL
835# endif
836# define my_htolen(p,n) NOOP
837# define my_letohn(p,n) NOOP
838# define my_htoben(p,n) my_swabn(p,n)
839# define my_betohn(p,n) my_swabn(p,n)
840/*----------------------------------------------------------------------------*/
841# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
842/*----------------------------------------------------------------------------*/
843# define my_htobe16(x) (x)
844# define my_betoh16(x) (x)
845# define my_htobe32(x) (x)
846# define my_betoh32(x) (x)
847# define my_htole16(x) _swab_16_(x)
848# define my_letoh16(x) _swab_16_(x)
849# define my_htole32(x) _swab_32_(x)
850# define my_letoh32(x) _swab_32_(x)
851# ifdef HAS_QUAD
852# define my_htobe64(x) (x)
853# define my_betoh64(x) (x)
854# define my_htole64(x) _swab_64_(x)
855# define my_letoh64(x) _swab_64_(x)
856# endif
857# define my_htobes(x) (x)
858# define my_betohs(x) (x)
859# define my_htobei(x) (x)
860# define my_betohi(x) (x)
861# define my_htobel(x) (x)
862# define my_betohl(x) (x)
863# if SHORTSIZE == 1
864# define my_htoles(x) (x)
865# define my_letohs(x) (x)
866# elif SHORTSIZE == 2
867# define my_htoles(x) _swab_16_(x)
868# define my_letohs(x) _swab_16_(x)
869# elif SHORTSIZE == 4
870# define my_htoles(x) _swab_32_(x)
871# define my_letohs(x) _swab_32_(x)
872# elif SHORTSIZE == 8
873# define my_htoles(x) _swab_64_(x)
874# define my_letohs(x) _swab_64_(x)
875# else
876# define PERL_NEED_MY_HTOLES
877# define PERL_NEED_MY_LETOHS
878# endif
879# if INTSIZE == 1
880# define my_htolei(x) (x)
881# define my_letohi(x) (x)
882# elif INTSIZE == 2
883# define my_htolei(x) _swab_16_(x)
884# define my_letohi(x) _swab_16_(x)
885# elif INTSIZE == 4
886# define my_htolei(x) _swab_32_(x)
887# define my_letohi(x) _swab_32_(x)
888# elif INTSIZE == 8
889# define my_htolei(x) _swab_64_(x)
890# define my_letohi(x) _swab_64_(x)
891# else
892# define PERL_NEED_MY_HTOLEI
893# define PERL_NEED_MY_LETOHI
894# endif
895# if LONGSIZE == 1
896# define my_htolel(x) (x)
897# define my_letohl(x) (x)
898# elif LONGSIZE == 2
899# define my_htolel(x) _swab_16_(x)
900# define my_letohl(x) _swab_16_(x)
901# elif LONGSIZE == 4
902# define my_htolel(x) _swab_32_(x)
903# define my_letohl(x) _swab_32_(x)
904# elif LONGSIZE == 8
905# define my_htolel(x) _swab_64_(x)
906# define my_letohl(x) _swab_64_(x)
907# else
908# define PERL_NEED_MY_HTOLEL
909# define PERL_NEED_MY_LETOHL
910# endif
911# define my_htolen(p,n) my_swabn(p,n)
912# define my_letohn(p,n) my_swabn(p,n)
913# define my_htoben(p,n) NOOP
914# define my_betohn(p,n) NOOP
915/*----------------------------------------------------------------------------*/
916# else /* all other byte-orders */
917/*----------------------------------------------------------------------------*/
918# define PERL_NEED_MY_HTOLE16
919# define PERL_NEED_MY_LETOH16
920# define PERL_NEED_MY_HTOBE16
921# define PERL_NEED_MY_BETOH16
922# define PERL_NEED_MY_HTOLE32
923# define PERL_NEED_MY_LETOH32
924# define PERL_NEED_MY_HTOBE32
925# define PERL_NEED_MY_BETOH32
926# ifdef HAS_QUAD
927# define PERL_NEED_MY_HTOLE64
928# define PERL_NEED_MY_LETOH64
929# define PERL_NEED_MY_HTOBE64
930# define PERL_NEED_MY_BETOH64
931# endif
932# define PERL_NEED_MY_HTOLES
933# define PERL_NEED_MY_LETOHS
934# define PERL_NEED_MY_HTOBES
935# define PERL_NEED_MY_BETOHS
936# define PERL_NEED_MY_HTOLEI
937# define PERL_NEED_MY_LETOHI
938# define PERL_NEED_MY_HTOBEI
939# define PERL_NEED_MY_BETOHI
940# define PERL_NEED_MY_HTOLEL
941# define PERL_NEED_MY_LETOHL
942# define PERL_NEED_MY_HTOBEL
943# define PERL_NEED_MY_BETOHL
944/*----------------------------------------------------------------------------*/
945# endif /* end of byte-order macros */
946/*----------------------------------------------------------------------------*/
947
9c17f24a
NC
948/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
949 at least on FreeBSD. YMMV, so experiment. */
950#ifndef PERL_ARENA_SIZE
951#define PERL_ARENA_SIZE 4080
952#endif
953
ccb2c8b8 954/* Maximum level of recursion */
2b9dff67
RGS
955#ifndef PERL_SUB_DEPTH_WARN
956#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
957#endif
958
1109a392
MHM
959#endif /* PERL_CORE */
960
bdf3085f
NC
961/* We no longer default to creating a new SV for GvSV.
962 Do this before embed. */
963#ifndef PERL_CREATE_GVSV
7459f06b
NC
964# ifndef PERL_DONT_CREATE_GVSV
965# define PERL_DONT_CREATE_GVSV
966# endif
bdf3085f
NC
967#endif
968
ca0c25f6
NC
969#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
970#define PERL_USES_PL_PIDSTATUS
971#endif
972
e37778c2 973#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__)
a62746fa
RGS
974#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
975#endif
976
00f254e2 977/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS
978 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
979 */
96e176bf 980#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 981# include "embed.h"
eb8433b7
NC
982# ifndef PERL_MAD
983# undef op_getmad
b3f24c00 984# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 985# endif
cea2e8a9
GS
986#endif
987
c31fac66
GS
988#define MEM_SIZE Size_t
989
1936d2a7
NC
990/* Round all values passed to malloc up, by default to a multiple of
991 sizeof(size_t)
992*/
993#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
994#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
995#endif
996
f1200559
WH
997/* sv_grow() will expand strings by at least a certain percentage of
998 the previously *used* length to avoid excessive calls to realloc().
999 The default is 25% of the current length.
1000*/
1001#ifndef PERL_STRLEN_EXPAND_SHIFT
1002# define PERL_STRLEN_EXPAND_SHIFT 2
1003#endif
1004
51371543
GS
1005#if defined(STANDARD_C) && defined(I_STDDEF)
1006# include <stddef.h>
1007# define STRUCT_OFFSET(s,m) offsetof(s,m)
1008#else
1009# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1010#endif
1011
9969cdde 1012#ifndef __SYMBIAN32__
27da23d5
JH
1013# if defined(I_STRING) || defined(__cplusplus)
1014# include <string.h>
1015# else
1016# include <strings.h>
1017# endif
51371543
GS
1018#endif
1019
55497cff
PP
1020/* This comes after <stdlib.h> so we don't try to change the standard
1021 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1022
4633a7c4 1023#ifdef MYMALLOC
86058a2d 1024# ifdef PERL_POLLUTE_MALLOC
ee13e175 1025# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
1026# define Perl_malloc malloc
1027# define Perl_calloc calloc
1028# define Perl_realloc realloc
1029# define Perl_mfree free
ee13e175 1030# endif
86058a2d
GS
1031# else
1032# define EMBEDMYMALLOC /* for compatibility */
1033# endif
827e134a 1034
651b9576
GS
1035# define safemalloc Perl_malloc
1036# define safecalloc Perl_calloc
1037# define saferealloc Perl_realloc
1038# define safefree Perl_mfree
22f7c9c9
JH
1039# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1040 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1041 code; \
1042 } STMT_END
1043# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1044 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1045# define panic_write2(s) write(2, s, strlen(s))
1046# define CHECK_MALLOC_TAINT(newval) \
1047 CHECK_MALLOC_TOO_LATE_FOR_( \
1048 if (newval) { \
1049 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1050 exit(1); })
22f7c9c9 1051# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1052 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
1053 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1054 }} STMT_END;
f2517201
GS
1055#else /* MYMALLOC */
1056# define safemalloc safesysmalloc
1057# define safecalloc safesyscalloc
1058# define saferealloc safesysrealloc
1059# define safefree safesysfree
22f7c9c9
JH
1060# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1061# define CHECK_MALLOC_TAINT(newval) ((void)0)
1062# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1063#endif /* MYMALLOC */
4633a7c4 1064
fe13d51d 1065/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1066#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
1067#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1068#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1069#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1070
a0d0e21e
LW
1071#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1072#define strchr index
1073#define strrchr rindex
1074#endif
1075
16d20bd9
AD
1076#ifdef I_MEMORY
1077# include <memory.h>
1078#endif
1079
fe14fcc3 1080#ifdef HAS_MEMCPY
85e6fe83 1081# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1082# ifndef memcpy
20ce7b12 1083 extern char * memcpy (char*, char*, int);
ee0007ab
LW
1084# endif
1085# endif
1086#else
1087# ifndef memcpy
1088# ifdef HAS_BCOPY
1089# define memcpy(d,s,l) bcopy(s,d,l)
1090# else
1091# define memcpy(d,s,l) my_bcopy(s,d,l)
1092# endif
1093# endif
1094#endif /* HAS_MEMCPY */
fe14fcc3 1095
ee0007ab 1096#ifdef HAS_MEMSET
85e6fe83 1097# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1098# ifndef memset
20ce7b12 1099 extern char *memset (char*, int, int);
ee0007ab
LW
1100# endif
1101# endif
ee0007ab 1102#else
12ae5dfc 1103# undef memset
fc36a67e 1104# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1105#endif /* HAS_MEMSET */
1106
85e6fe83 1107#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1108# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1109# define memmove(d,s,l) bcopy(s,d,l)
1110# else
2304df62 1111# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1112# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1113# else
79072805 1114# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1115# endif
352d5a3a 1116# endif
d9d8d8de 1117#endif
ee0007ab 1118
36477c24
PP
1119#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1120# undef HAS_MEMCMP
1121#endif
1122
1123#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1124# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1125# ifndef memcmp
20ce7b12 1126 extern int memcmp (char*, char*, int);
ee0007ab
LW
1127# endif
1128# endif
36477c24 1129# ifdef BUGGY_MSC
7e4e8c89 1130# pragma function(memcmp)
36477c24 1131# endif
ee0007ab
LW
1132#else
1133# ifndef memcmp
ecfc5424 1134# define memcmp my_memcmp
352d5a3a 1135# endif
36477c24 1136#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1137
fc36a67e 1138#ifndef memzero
c635e13b
PP
1139# ifdef HAS_MEMSET
1140# define memzero(d,l) memset(d,0,l)
79072805 1141# else
c635e13b
PP
1142# ifdef HAS_BZERO
1143# define memzero(d,l) bzero(d,l)
79072805 1144# else
fc36a67e 1145# define memzero(d,l) my_bzero(d,l)
79072805
LW
1146# endif
1147# endif
d9d8d8de 1148#endif
378cc40b 1149
2f42fcb0 1150#ifndef PERL_MICRO
0f27ced1
JH
1151#ifndef memchr
1152# ifndef HAS_MEMCHR
1153# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1154# endif
1155#endif
2f42fcb0 1156#endif
0f27ced1 1157
36477c24
PP
1158#ifndef HAS_BCMP
1159# ifndef bcmp
1160# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1161# endif
36477c24 1162#endif /* !HAS_BCMP */
378cc40b 1163
ae986130 1164#ifdef I_NETINET_IN
79072805 1165# include <netinet/in.h>
ae986130
LW
1166#endif
1167
28e8609d
JH
1168#ifdef I_ARPA_INET
1169# include <arpa/inet.h>
1170#endif
1171
84902520
TB
1172#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1173/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1174 * (the neo-BSD seem to do this). */
1175# undef SF_APPEND
1176#endif
1177
1aef975c 1178#ifdef I_SYS_STAT
84902520 1179# include <sys/stat.h>
1aef975c 1180#endif
79072805 1181
287a962e
JD
1182/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1183 This definition should ideally go into win32/win32.h, but S_IFIFO is
1184 used later here in perl.h before win32/win32.h is being included. */
1185#if !defined(S_IFIFO) && defined(_S_IFIFO)
1186# define S_IFIFO _S_IFIFO
1187#endif
1188
a0d0e21e
LW
1189/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1190 like UTekV) are broken, sometimes giving false positives. Undefine
1191 them here and let the code below set them to proper values.
1192
1193 The ghs macro stands for GreenHills Software C-1.8.5 which
1194 is the C compiler for sysV88 and the various derivatives.
1195 This header file bug is corrected in gcc-2.5.8 and later versions.
1196 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1197
1198#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1199# undef S_ISDIR
1200# undef S_ISCHR
1201# undef S_ISBLK
1202# undef S_ISREG
1203# undef S_ISFIFO
1204# undef S_ISLNK
ee0007ab 1205#endif
135863df 1206
663a0e37
LW
1207#ifdef I_TIME
1208# include <time.h>
ffed7fef 1209#endif
663a0e37 1210
fe14fcc3 1211#ifdef I_SYS_TIME
85e6fe83 1212# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1213# define KERNEL
1214# endif
1215# include <sys/time.h>
85e6fe83 1216# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1217# undef KERNEL
1218# endif
a687059c 1219#endif
135863df 1220
55497cff 1221#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1222# include <sys/times.h>
d9d8d8de 1223#endif
8d063cd8 1224
fe14fcc3 1225#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1226# undef HAS_STRERROR
663a0e37
LW
1227#endif
1228
1229#include <errno.h>
1e743fda 1230
acfe0abc 1231#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1232# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1233#endif
1234
8cfab5ff 1235/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1236 * This is important for using IPv6.
8cfab5ff
JH
1237 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1238 * a bad idea since it breaks send() and recv(). */
1239#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1240# define _SOCKADDR_LEN
1241#endif
1242
da70cfc6 1243#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1244# include <sys/socket.h>
1245# if defined(USE_SOCKS) && defined(I_SOCKS)
1246# if !defined(INCLUDE_PROTOTYPES)
1247# define INCLUDE_PROTOTYPES /* for <socks.h> */
1248# define PERL_SOCKS_NEED_PROTOTYPES
1249# endif
1250# include <socks.h>
1251# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1252# undef INCLUDE_PROTOTYPES
1253# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1254# endif
d460ef45 1255# endif
1e743fda 1256# ifdef I_NETDB
2986a63f
JH
1257# ifdef NETWARE
1258# include<stdio.h>
1259# endif
1e743fda
JH
1260# include <netdb.h>
1261# endif
1262# ifndef ENOTSOCK
1263# ifdef I_NET_ERRNO
1264# include <net/errno.h>
1265# endif
1266# endif
1267#endif
1268
fa0a29af 1269/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1270 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1271 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1272#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1273# if defined(__THROW) && defined(__GLIBC__)
1274int sockatmark(int) __THROW;
1275# else
2ef53570 1276int sockatmark(int);
29820b6d 1277# endif
2ef53570
JH
1278#endif
1279
7e827271 1280#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
1281EXTERN_C int fchdir(int);
1282EXTERN_C int flock(int, int);
1283EXTERN_C int fseeko(FILE *, off_t, int);
1284EXTERN_C off_t ftello(FILE *);
1285#endif
1286
7e827271 1287#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1288EXTERN_C char *crypt(const char *, const char *);
7e827271 1289EXTERN_C char **environ;
1ccb7c8d
JH
1290#endif
1291
83a6ff2e 1292#if defined(__cplusplus)
944c4fda 1293# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1294EXTERN_C char **environ;
83a6ff2e 1295# elif defined(__CYGWIN__)
667e2948
SP
1296EXTERN_C char *crypt(const char *, const char *);
1297#endif
83a6ff2e 1298#endif
667e2948 1299
1e743fda
JH
1300#ifdef SETERRNO
1301# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1302#endif
f86702cc
PP
1303
1304#ifdef VMS
1305# define SETERRNO(errcode,vmserrcode) \
1306 STMT_START { \
1307 set_errno(errcode); \
1308 set_vaxc_errno(vmserrcode); \
1309 } STMT_END
4ee39169
CS
1310# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1311# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1312# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1313# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1314
93189314
JH
1315# define LIB_INVARG LIB$_INVARG
1316# define RMS_DIR RMS$_DIR
1317# define RMS_FAC RMS$_FAC
1318# define RMS_FEX RMS$_FEX
1319# define RMS_FNF RMS$_FNF
1320# define RMS_IFI RMS$_IFI
1321# define RMS_ISI RMS$_ISI
1322# define RMS_PRV RMS$_PRV
1323# define SS_ACCVIO SS$_ACCVIO
1324# define SS_DEVOFFLINE SS$_DEVOFFLINE
1325# define SS_IVCHAN SS$_IVCHAN
1326# define SS_NORMAL SS$_NORMAL
748a9306 1327#else
aba27d88 1328# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1329# define dSAVEDERRNO int saved_errno
1330# define dSAVE_ERRNO int saved_errno = errno
1331# define SAVE_ERRNO (saved_errno = errno)
1332# define RESTORE_ERRNO (errno = saved_errno)
1333
93189314
JH
1334# define LIB_INVARG 0
1335# define RMS_DIR 0
1336# define RMS_FAC 0
1337# define RMS_FEX 0
1338# define RMS_FNF 0
1339# define RMS_IFI 0
1340# define RMS_ISI 0
1341# define RMS_PRV 0
1342# define SS_ACCVIO 0
1343# define SS_DEVOFFLINE 0
1344# define SS_IVCHAN 0
1345# define SS_NORMAL 0
748a9306 1346#endif
ed6116ce 1347
f5fa9033 1348#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1349
1350#define CLEAR_ERRSV() STMT_START { \
1351 if (!GvSV(PL_errgv)) { \
1352 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1353 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1354 SvREFCNT_dec(GvSV(PL_errgv)); \
1355 GvSV(PL_errgv) = newSVpvs(""); \
1356 } else { \
1357 SV *const errsv = GvSV(PL_errgv); \
1358 sv_setpvs(errsv, ""); \
1359 if (SvMAGICAL(errsv)) { \
1360 mg_free(errsv); \
1361 } \
1362 SvPOK_only(errsv); \
1363 } \
1364 } STMT_END
1365
1366
414bf5ae
MHM
1367#ifdef PERL_CORE
1368# define DEFSV (0 + GvSVn(PL_defgv))
1369#else
1370# define DEFSV GvSVn(PL_defgv)
1371#endif
1372#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1373#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1374
98eae8f5
GS
1375#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1376
55497cff 1377#ifndef errno
5ff3f7a4
GS
1378 extern int errno; /* ANSI allows errno to be an lvalue expr.
1379 * For example in multithreaded environments
1380 * something like this might happen:
1381 * extern int *_errno(void);
1382 * #define errno (*_errno()) */
d9d8d8de 1383#endif
663a0e37 1384
2304df62 1385#ifdef HAS_STRERROR
a0d0e21e 1386# ifdef VMS
20ce7b12 1387 char *strerror (int,...);
a0d0e21e 1388# else
68dc0745 1389#ifndef DONT_DECLARE_STD
20ce7b12 1390 char *strerror (int);
68dc0745 1391#endif
a0d0e21e 1392# endif
2304df62
AD
1393# ifndef Strerror
1394# define Strerror strerror
1395# endif
1396#else
1397# ifdef HAS_SYS_ERRLIST
79072805
LW
1398 extern int sys_nerr;
1399 extern char *sys_errlist[];
2304df62
AD
1400# ifndef Strerror
1401# define Strerror(e) \
79072805 1402 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1403# endif
79072805 1404# endif
35c8bce7 1405#endif
663a0e37 1406
2304df62 1407#ifdef I_SYS_IOCTL
79072805
LW
1408# ifndef _IOCTL_
1409# include <sys/ioctl.h>
1410# endif
a687059c
LW
1411#endif
1412
ee0007ab 1413#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1414# ifdef HAS_SOCKETPAIR
1415# undef HAS_SOCKETPAIR
1416# endif
2304df62
AD
1417# ifdef I_NDBM
1418# undef I_NDBM
79072805 1419# endif
a687059c
LW
1420#endif
1421
02fc2eee
NC
1422#ifndef HAS_SOCKETPAIR
1423# ifdef HAS_SOCKET
1424# define socketpair Perl_my_socketpair
1425# endif
1426#endif
1427
a687059c 1428#if INTSIZE == 2
79072805
LW
1429# define htoni htons
1430# define ntohi ntohs
a687059c 1431#else
79072805
LW
1432# define htoni htonl
1433# define ntohi ntohl
a687059c
LW
1434#endif
1435
a0d0e21e 1436/* Configure already sets Direntry_t */
35c8bce7 1437#if defined(I_DIRENT)
663a0e37 1438# include <dirent.h>
8f1f23e8
W
1439 /* NeXT needs dirent + sys/dir.h */
1440# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1441# include <sys/dir.h>
1442# endif
ae986130 1443#else
fe14fcc3 1444# ifdef I_SYS_NDIR
79a0689e 1445# include <sys/ndir.h>
663a0e37 1446# else
fe14fcc3 1447# ifdef I_SYS_DIR
79a0689e
LW
1448# ifdef hp9000s500
1449# include <ndir.h> /* may be wrong in the future */
1450# else
1451# include <sys/dir.h>
1452# endif
663a0e37
LW
1453# endif
1454# endif
4633a7c4 1455#endif
a687059c 1456
12ae5dfc
JH
1457#ifdef PERL_MICRO
1458# ifndef DIR
1459# define DIR void
1460# endif
1461#endif
1462
352d5a3a
LW
1463#ifdef FPUTS_BOTCH
1464/* work around botch in SunOS 4.0.1 and 4.0.2 */
1465# ifndef fputs
79072805 1466# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1467# endif
1468#endif
1469
c623bd54
LW
1470/*
1471 * The following gobbledygook brought to you on behalf of __STDC__.
1472 * (I could just use #ifndef __STDC__, but this is more bulletproof
1473 * in the face of half-implementations.)
1474 */
1475
7114a2d2 1476#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1477#include <sys/mode.h>
1478#endif
1479
c623bd54
LW
1480#ifndef S_IFMT
1481# ifdef _S_IFMT
1482# define S_IFMT _S_IFMT
1483# else
1484# define S_IFMT 0170000
1485# endif
1486#endif
1487
1488#ifndef S_ISDIR
1489# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1490#endif
1491
1492#ifndef S_ISCHR
1493# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1494#endif
1495
1496#ifndef S_ISBLK
fe14fcc3
LW
1497# ifdef S_IFBLK
1498# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1499# else
1500# define S_ISBLK(m) (0)
1501# endif
c623bd54
LW
1502#endif
1503
1504#ifndef S_ISREG
1505# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1506#endif
1507
1508#ifndef S_ISFIFO
fe14fcc3
LW
1509# ifdef S_IFIFO
1510# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1511# else
1512# define S_ISFIFO(m) (0)
1513# endif
c623bd54
LW
1514#endif
1515
1516#ifndef S_ISLNK
1517# ifdef _S_ISLNK
1518# define S_ISLNK(m) _S_ISLNK(m)
1519# else
1520# ifdef _S_IFLNK
1521# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1522# else
1523# ifdef S_IFLNK
1524# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1525# else
1526# define S_ISLNK(m) (0)
1527# endif
1528# endif
1529# endif
1530#endif
1531
1532#ifndef S_ISSOCK
1533# ifdef _S_ISSOCK
1534# define S_ISSOCK(m) _S_ISSOCK(m)
1535# else
1536# ifdef _S_IFSOCK
1537# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1538# else
1539# ifdef S_IFSOCK
1540# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1541# else
1542# define S_ISSOCK(m) (0)
1543# endif
1544# endif
1545# endif
1546#endif
1547
1548#ifndef S_IRUSR
1549# ifdef S_IREAD
1550# define S_IRUSR S_IREAD
1551# define S_IWUSR S_IWRITE
1552# define S_IXUSR S_IEXEC
1553# else
1554# define S_IRUSR 0400
1555# define S_IWUSR 0200
1556# define S_IXUSR 0100
1557# endif
fac7cdfc 1558#endif
1559
1560#ifndef S_IRGRP
1561# ifdef S_IRUSR
1562# define S_IRGRP (S_IRUSR>>3)
1563# define S_IWGRP (S_IWUSR>>3)
1564# define S_IXGRP (S_IXUSR>>3)
1565# else
1566# define S_IRGRP 0040
1567# define S_IWGRP 0020
1568# define S_IXGRP 0010
1569# endif
1570#endif
1571
1572#ifndef S_IROTH
1573# ifdef S_IRUSR
1574# define S_IROTH (S_IRUSR>>6)
1575# define S_IWOTH (S_IWUSR>>6)
1576# define S_IXOTH (S_IXUSR>>6)
1577# else
1578# define S_IROTH 0040
1579# define S_IWOTH 0020
1580# define S_IXOTH 0010
1581# endif
c623bd54
LW
1582#endif
1583
1584#ifndef S_ISUID
1585# define S_ISUID 04000
1586#endif
1587
1588#ifndef S_ISGID
1589# define S_ISGID 02000
1590#endif
1591
ca6e1c26
JH
1592#ifndef S_IRWXU
1593# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1594#endif
ca6e1c26
JH
1595
1596#ifndef S_IRWXG
1597# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1598#endif
ca6e1c26
JH
1599
1600#ifndef S_IRWXO
1601# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1602#endif
ca6e1c26 1603
df00ff3b 1604/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1605 * which would get included through <sys/file.h >, but that is 3000
1606 * lines in the future. --jhi */
1607
df00ff3b 1608#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1609# define S_IREAD S_IRUSR
1610#endif
1611
df00ff3b 1612#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH
1613# define S_IWRITE S_IWUSR
1614#endif
1615
1616#ifndef S_IEXEC
1617# define S_IEXEC S_IXUSR
1618#endif
1619
79072805
LW
1620#ifdef ff_next
1621# undef ff_next
352d5a3a
LW
1622#endif
1623
a0d0e21e 1624#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1625# define SLOPPYDIVIDE
1626#endif
1627
748a9306
LW
1628#ifdef UV
1629#undef UV
1630#endif
1631
c89df6bf
JH
1632#ifdef SPRINTF_E_BUG
1633# define sprintf UTS_sprintf_wrap
1634#endif
1635
ce582cee
NC
1636/* For the times when you want the return value of sprintf, and you want it
1637 to be the length. Can't have a thread variable passed in, because C89 has
1638 no varargs macros.
1639*/
1640#ifdef SPRINTF_RETURNS_STRLEN
1641# define my_sprintf sprintf
1642#else
1643# define my_sprintf Perl_my_sprintf
1644#endif
1645
5b692037
JH
1646/*
1647 * If we have v?snprintf() and the C99 variadic macros, we can just
1648 * use just the v?snprintf(). It is nice to try to trap the buffer
1649 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1650 * gcc statement expressions, then use the function wrappers which try
1651 * to trap the overflow. If we can use the gcc statement expressions,
1652 * we can try that even with the version that uses the C99 variadic
1653 * macros.
5b692037
JH
1654 */
1655
1208b3dd
JH
1656/* Note that we do not check against snprintf()/vsnprintf() returning
1657 * negative values because that is non-standard behaviour and we use
1658 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1659 * that should be true only if the snprintf()/vsnprintf() are true
1660 * to the standard. */
1661
dfeee9b1 1662#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1663# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1664# 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 1665# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1666# else
1667# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1668# endif
1669#else
1670# define my_snprintf Perl_my_snprintf
1208b3dd 1671# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1672#endif
1673
dfeee9b1 1674#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1675# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1676# 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 1677# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1678# else
1679# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1680# endif
1681#else
1682# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1683# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1684#endif
d9fad198 1685
a6cc4119
SP
1686#ifdef HAS_STRLCAT
1687# define my_strlcat strlcat
1688#else
1689# define my_strlcat Perl_my_strlcat
1690#endif
1691
1692#ifdef HAS_STRLCPY
1693# define my_strlcpy strlcpy
1694#else
1695# define my_strlcpy Perl_my_strlcpy
1696#endif
1697
c495e728
JH
1698/* Configure gets this right but the UTS compiler gets it wrong.
1699 -- Hal Morris <hom00@utsglobal.com> */
1700#ifdef UTS
1701# undef UVTYPE
1702# define UVTYPE unsigned
1703#endif
1704
05f13f53 1705/*
27d4fb96
PP
1706 The IV type is supposed to be long enough to hold any integral
1707 value or a pointer.
1708 --Andy Dougherty August 1996
1709*/
1710
a22e52b9
JH
1711typedef IVTYPE IV;
1712typedef UVTYPE UV;
8175356b 1713
10cc9d2a 1714#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1715# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1716# define IV_MAX INT64_MAX
1717# define IV_MIN INT64_MIN
1718# define UV_MAX UINT64_MAX
cae7ae48
JH
1719# ifndef UINT64_MIN
1720# define UINT64_MIN 0
1721# endif
5ff3f7a4
GS
1722# define UV_MIN UINT64_MIN
1723# else
1724# define IV_MAX PERL_QUAD_MAX
1725# define IV_MIN PERL_QUAD_MIN
1726# define UV_MAX PERL_UQUAD_MAX
1727# define UV_MIN PERL_UQUAD_MIN
1728# endif
cf2093f6
JH
1729# define IV_IS_QUAD
1730# define UV_IS_QUAD
79072805 1731#else
8175356b 1732# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1733# define IV_MAX INT32_MAX
1734# define IV_MIN INT32_MIN
716026f9
DL
1735# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1736# define UV_MAX UINT32_MAX
1737# else
1738# define UV_MAX 4294967295U
1739# endif
cae7ae48
JH
1740# ifndef UINT32_MIN
1741# define UINT32_MIN 0
1742# endif
5ff3f7a4
GS
1743# define UV_MIN UINT32_MIN
1744# else
1745# define IV_MAX PERL_LONG_MAX
1746# define IV_MIN PERL_LONG_MIN
1747# define UV_MAX PERL_ULONG_MAX
1748# define UV_MIN PERL_ULONG_MIN
1749# endif
8175356b 1750# if IVSIZE == 8
cf2093f6
JH
1751# define IV_IS_QUAD
1752# define UV_IS_QUAD
de1c2614
JH
1753# ifndef HAS_QUAD
1754# define HAS_QUAD
1755# endif
cf2093f6
JH
1756# else
1757# undef IV_IS_QUAD
1758# undef UV_IS_QUAD
de1c2614 1759# undef HAS_QUAD
cf2093f6 1760# endif
79072805 1761#endif
d7d93a81 1762
1109a392
MHM
1763#ifndef HAS_QUAD
1764# undef PERL_NEED_MY_HTOLE64
1765# undef PERL_NEED_MY_LETOH64
1766# undef PERL_NEED_MY_HTOBE64
1767# undef PERL_NEED_MY_BETOH64
1768#endif
1769
6cde8aec 1770#if defined(uts) || defined(UTS)
11afe549
HM
1771# undef UV_MAX
1772# define UV_MAX (4294967295u)
20601011
JH
1773#endif
1774
cae7ae48 1775#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1776#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1777
28e5dec8 1778#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1779#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1780#endif
1781
d460ef45 1782/*
26bb67e2
JH
1783 * The macros INT2PTR and NUM2PTR are (despite their names)
1784 * bi-directional: they will convert int/float to or from pointers.
1785 * However the conversion to int/float are named explicitly:
1786 * PTR2IV, PTR2UV, PTR2NV.
1787 *
1788 * For int conversions we do not need two casts if pointers are
1789 * the same size as IV and UV. Otherwise we need an explicit
1790 * cast (PTRV) to avoid compiler warnings.
1791 */
56431972
RB
1792#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1793# define PTRV UV
1794# define INT2PTR(any,d) (any)(d)
1795#else
d460ef45 1796# if PTRSIZE == LONGSIZE
56431972 1797# define PTRV unsigned long
e91e3b10 1798# define PTR2ul(p) (unsigned long)(p)
42718184 1799# else
56431972 1800# define PTRV unsigned
42718184 1801# endif
e91e3b10
RB
1802#endif
1803
1804#ifndef INT2PTR
56431972 1805# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1806#endif
e91e3b10
RB
1807
1808#ifndef PTR2ul
1809# define PTR2ul(p) INT2PTR(unsigned long,p)
1810#endif
1811
56431972
RB
1812#define NUM2PTR(any,d) (any)(PTRV)(d)
1813#define PTR2IV(p) INT2PTR(IV,p)
1814#define PTR2UV(p) INT2PTR(UV,p)
1815#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1816#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1817
8141890a
JH
1818/* According to strict ANSI C89 one cannot freely cast between
1819 * data pointers and function (code) pointers. There are at least
1820 * two ways around this. One (used below) is to do two casts,
1821 * first the other pointer to an (unsigned) integer, and then
1822 * the integer to the other pointer. The other way would be
1823 * to use unions to "overlay" the pointers. For an example of
1824 * the latter technique, see union dirpu in struct xpvio in sv.h.
1825 * The only feasible use is probably temporarily storing
1826 * function pointers in a data pointer (such as a void pointer). */
1827
e91e3b10
RB
1828#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1829#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1830
65202027 1831#ifdef USE_LONG_DOUBLE
1048ea30
JH
1832# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1833# define LONG_DOUBLE_EQUALS_DOUBLE
1834# endif
68d4903c 1835# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1836# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1837# endif
1838#endif
1839
2d4389e4
JH
1840#ifdef OVR_DBL_DIG
1841/* Use an overridden DBL_DIG */
1842# ifdef DBL_DIG
1843# undef DBL_DIG
1844# endif
1845# define DBL_DIG OVR_DBL_DIG
1846#else
1847/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1848 default value for printing floating point numbers in Gconvert
1849 (see config.h). (It also has other uses, such as figuring out if
1850 a given precision of printing can be done with a double instead of
1851 a long double - Allen).
2d4389e4
JH
1852*/
1853#ifdef I_LIMITS
1854#include <limits.h>
1855#endif
1856#ifdef I_FLOAT
1857#include <float.h>
1858#endif
1859#ifndef HAS_DBL_DIG
1860#define DBL_DIG 15 /* A guess that works lots of places */
1861#endif
1862#endif
1863
1864#ifdef OVR_LDBL_DIG
1865/* Use an overridden LDBL_DIG */
1866# ifdef LDBL_DIG
1867# undef LDBL_DIG
1868# endif
1869# define LDBL_DIG OVR_LDBL_DIG
1870#else
1871/* The following is all to get LDBL_DIG, in order to pick a nice
1872 default value for printing floating point numbers in Gconvert.
1873 (see config.h)
1874*/
68d4903c
JH
1875# ifdef I_LIMITS
1876# include <limits.h>
1877# endif
1878# ifdef I_FLOAT
1879# include <float.h>
1880# endif
1881# ifndef HAS_LDBL_DIG
1882# if LONG_DOUBLESIZE == 10
1883# define LDBL_DIG 18 /* assume IEEE */
1884# else
1885# if LONG_DOUBLESIZE == 12
1886# define LDBL_DIG 18 /* gcc? */
1887# else
1888# if LONG_DOUBLESIZE == 16
1889# define LDBL_DIG 33 /* assume IEEE */
1890# else
1891# if LONG_DOUBLESIZE == DOUBLESIZE
1892# define LDBL_DIG DBL_DIG /* bummer */
1893# endif
1894# endif
1895# endif
1896# endif
1897# endif
2d4389e4
JH
1898#endif
1899
20f6aaab
AS
1900/*
1901 * This is for making sure we have a good DBL_MAX value, if possible,
1902 * either for usage as NV_MAX or for usage in figuring out if we can
1903 * fit a given long double into a double, if bug-fixing makes it
1904 * necessary to do so. - Allen <allens@cpan.org>
1905 */
1906
205f51d8
AS
1907#ifdef I_LIMITS
1908# include <limits.h>
20f6aaab
AS
1909#endif
1910
205f51d8
AS
1911#ifdef I_VALUES
1912# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1913# include <values.h>
1914# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1915# define DBL_MAX MAXDOUBLE
1916# endif
1917# if defined(MINDOUBLE) && !defined(DBL_MIN)
1918# define DBL_MIN MINDOUBLE
1919# endif
1920# endif
1921#endif /* defined(I_VALUES) */
1922
a22e52b9 1923typedef NVTYPE NV;
8175356b 1924
792d8dab
JH
1925#ifdef I_IEEEFP
1926# include <ieeefp.h>
1927#endif
923fc586 1928
65202027 1929#ifdef USE_LONG_DOUBLE
923fc586
JH
1930# ifdef I_SUNMATH
1931# include <sunmath.h>
1932# endif
2d4389e4 1933# define NV_DIG LDBL_DIG
d6c14000
JH
1934# ifdef LDBL_MANT_DIG
1935# define NV_MANT_DIG LDBL_MANT_DIG
1936# endif
06fc1729
JH
1937# ifdef LDBL_MIN
1938# define NV_MIN LDBL_MIN
1939# endif
1940# ifdef LDBL_MAX
1941# define NV_MAX LDBL_MAX
1942# endif
1943# ifdef LDBL_MIN_10_EXP
1944# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1945# endif
1946# ifdef LDBL_MAX_10_EXP
1947# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1948# endif
1949# ifdef LDBL_EPSILON
1950# define NV_EPSILON LDBL_EPSILON
1951# endif
f4a14a62
JH
1952# ifdef LDBL_MAX
1953# define NV_MAX LDBL_MAX
20f6aaab 1954/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1955# else
1956# ifdef HUGE_VALL
1957# define NV_MAX HUGE_VALL
1958# else
1959# ifdef HUGE_VAL
1960# define NV_MAX ((NV)HUGE_VAL)
1961# endif
1962# endif
1963# endif
68d4903c 1964# ifdef HAS_SQRTL
68d4903c
JH
1965# define Perl_cos cosl
1966# define Perl_sin sinl
1967# define Perl_sqrt sqrtl
1968# define Perl_exp expl
1969# define Perl_log logl
1970# define Perl_atan2 atan2l
1971# define Perl_pow powl
1972# define Perl_floor floorl
1bbae031 1973# define Perl_ceil ceill
68d4903c
JH
1974# define Perl_fmod fmodl
1975# endif
a3540c92
JH
1976/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1977# ifdef HAS_MODFL
1978# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1979/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1980 prototype in <math.h> */
1981# ifndef HAS_MODFL_PROTO
a221a8a5 1982EXTERN_C long double modfl(long double, long double *);
51997bc3 1983# endif
03476e8e
JH
1984# else
1985# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1986 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1987# define Perl_modf(x,y) Perl_my_modfl(x,y)
1988# endif
a3540c92
JH
1989# endif
1990# ifdef HAS_FREXPL
dff3e0b8 1991# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1992# else
1993# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1994 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1995# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1996# endif
a3540c92 1997# endif
38dbb4c5 1998# ifndef Perl_isnan
758a5d79
JH
1999# ifdef HAS_ISNANL
2000# define Perl_isnan(x) isnanl(x)
2001# endif
2002# endif
2003# ifndef Perl_isinf
2004# ifdef HAS_FINITEL
2005# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
2006# endif
2007# endif
65202027 2008#else
2d4389e4 2009# define NV_DIG DBL_DIG
d6c14000
JH
2010# ifdef DBL_MANT_DIG
2011# define NV_MANT_DIG DBL_MANT_DIG
2012# endif
06fc1729
JH
2013# ifdef DBL_MIN
2014# define NV_MIN DBL_MIN
2015# endif
2016# ifdef DBL_MAX
2017# define NV_MAX DBL_MAX
2018# endif
2019# ifdef DBL_MIN_10_EXP
2020# define NV_MIN_10_EXP DBL_MIN_10_EXP
2021# endif
2022# ifdef DBL_MAX_10_EXP
2023# define NV_MAX_10_EXP DBL_MAX_10_EXP
2024# endif
2025# ifdef DBL_EPSILON
2026# define NV_EPSILON DBL_EPSILON
2027# endif
205f51d8 2028# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2029# define NV_MAX DBL_MAX
2030# define NV_MIN DBL_MIN
2031# else
2032# ifdef HUGE_VAL
2033# define NV_MAX HUGE_VAL
2034# endif
2035# endif
65202027
DS
2036# define Perl_cos cos
2037# define Perl_sin sin
2038# define Perl_sqrt sqrt
2039# define Perl_exp exp
2040# define Perl_log log
2041# define Perl_atan2 atan2
2042# define Perl_pow pow
2043# define Perl_floor floor
1bbae031 2044# define Perl_ceil ceil
65202027 2045# define Perl_fmod fmod
a3540c92 2046# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2047# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
2048#endif
2049
2050/* rumor has it that Win32 has _fpclass() */
2051
205f51d8
AS
2052/* SGI has fpclassl... but not with the same result values,
2053 * and it's via a typedef (not via #define), so will need to redo Configure
2054 * to use. Not worth the trouble, IMO, at least until the below is used
2055 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2056 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2057 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2058
758a5d79
JH
2059#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2060# ifdef I_IEEFP
2061# include <ieeefp.h>
2062# endif
2063# ifdef I_FP
2064# include <fp.h>
2065# endif
2066# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2067# define Perl_fp_class() fpclassl(x)
2068# else
2069# define Perl_fp_class() fpclass(x)
2070# endif
2071# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2072# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2073# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2074# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2075# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2076# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2077# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2078# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2079# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2080# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2081# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2082# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2083# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2084# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2085# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2086#endif
2087
7114a2d2 2088#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
2089# include <math.h>
2090# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2091# include <fp_class.h>
2092# endif
2093# define Perl_fp_class(x) fp_class(x)
2094# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2095# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2096# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2097# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2098# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2099# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2100# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2101# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2102# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2103# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2104# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2105# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2106# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2107# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2108# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2109#endif
2110
2111#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2112# include <math.h>
2113# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2114# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2115# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2116# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2117# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2118# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2119#endif
2120
2121#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2122# include <math.h>
2123# ifndef _cplusplus
2124# define Perl_fp_class(x) class(x)
2125# else
2126# define Perl_fp_class(x) _class(x)
2127# endif
2128# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2129# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2130# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2131# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2132# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2133# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2134# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2135# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2136# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2137# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2138# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2139# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2140# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2141# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2142# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2143#endif
2144
2145/* rumor has it that Win32 has _isnan() */
2146
2147#ifndef Perl_isnan
a3540c92 2148# ifdef HAS_ISNAN
758a5d79
JH
2149# define Perl_isnan(x) isnan((NV)x)
2150# else
2151# ifdef Perl_fp_class_nan
2152# define Perl_isnan(x) Perl_fp_class_nan(x)
2153# else
2154# ifdef HAS_UNORDERED
2155# define Perl_isnan(x) unordered((x), 0.0)
2156# else
2157# define Perl_isnan(x) ((x)!=(x))
2158# endif
2159# endif
2160# endif
2161#endif
2162
ca6c63e1
JH
2163#ifdef UNDER_CE
2164int isnan(double d);
2165#endif
2166
758a5d79
JH
2167#ifndef Perl_isinf
2168# ifdef HAS_ISINF
2169# define Perl_isinf(x) isinf((NV)x)
a3540c92 2170# else
758a5d79
JH
2171# ifdef Perl_fp_class_inf
2172# define Perl_isinf(x) Perl_fp_class_inf(x)
2173# else
2174# define Perl_isinf(x) ((x)==NV_INF)
2175# endif
2176# endif
2177#endif
2178
2179#ifndef Perl_isfinite
2180# ifdef HAS_FINITE
2181# define Perl_isfinite(x) finite((NV)x)
2182# else
2183# ifdef HAS_ISFINITE
2184# define Perl_isfinite(x) isfinite(x)
2185# else
2186# ifdef Perl_fp_class_finite
2187# define Perl_isfinite(x) Perl_fp_class_finite(x)
2188# else
2189# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2190# endif
2191# endif
a3540c92 2192# endif
65202027
DS
2193#endif
2194
a36244b7
JH
2195/* The default is to use Perl's own atof() implementation (in numeric.c).
2196 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2197 * it is however best to use the native implementation of atof.
2198 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2199 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2200 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2201 * you may need to be using a different function than atof! */
a36244b7
JH
2202
2203#ifndef USE_PERL_ATOF
2204# ifndef _UNICOS
2205# define USE_PERL_ATOF
2206# endif
2207#else
2208# if USE_PERL_ATOF == 0
2209# undef USE_PERL_ATOF
2210# endif
2211#endif
2212
2213#ifdef USE_PERL_ATOF
2214# define Perl_atof(s) Perl_my_atof(s)
2215# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2216#else
2217# define Perl_atof(s) (NV)atof(s)
2218# define Perl_atof2(s, n) ((n) = atof(s))
2219#endif
cf2093f6 2220
d460ef45 2221/* Previously these definitions used hardcoded figures.
760ac839
LW
2222 * It is hoped these formula are more portable, although
2223 * no data one way or another is presently known to me.
2224 * The "PERL_" names are used because these calculated constants
2225 * do not meet the ANSI requirements for LONG_MAX, etc., which
2226 * need to be constants acceptable to #if - kja
2227 * define PERL_LONG_MAX 2147483647L
2228 * define PERL_LONG_MIN (-LONG_MAX - 1)
2229 * define PERL ULONG_MAX 4294967295L
2230 */
2231
2232#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2233# include <limits.h>
760ac839 2234#endif
205f51d8 2235/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2236 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2237
99abf803
PP
2238/*
2239 * Try to figure out max and min values for the integral types. THE CORRECT
2240 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2241 * following hacks are used if neither limits.h or values.h provide them:
2242 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2243 * for types < int: (unsigned TYPE)~(unsigned)0
2244 * The argument to ~ must be unsigned so that later signed->unsigned
2245 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2246 * and it must not be smaller than int because ~ does integral promotion.
2247 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2248 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2249 * The latter is a hack which happens to work on some machines but
2250 * does *not* catch any random system, or things like integer types
2251 * with NaN if that is possible.
2252 *
2253 * All of the types are explicitly cast to prevent accidental loss of
2254 * numeric range, and in the hope that they will be less likely to confuse
2255 * over-eager optimizers.
2256 *
2257 */
27d4fb96 2258
99abf803
PP
2259#define PERL_UCHAR_MIN ((unsigned char)0)
2260
2261#ifdef UCHAR_MAX
2262# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2263#else
99abf803
PP
2264# ifdef MAXUCHAR
2265# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2266# else
99abf803 2267# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2268# endif
2269#endif
d460ef45 2270
99abf803
PP
2271/*
2272 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2273 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2274 * depending on local options. Until Configure detects this (or at least
2275 * detects whether the "signed" keyword is available) the CHAR ranges
2276 * will not be included. UCHAR functions normally.
2277 * - kja
2278 */
27d4fb96 2279
99abf803
PP
2280#define PERL_USHORT_MIN ((unsigned short)0)
2281
2282#ifdef USHORT_MAX
2283# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2284#else
99abf803
PP
2285# ifdef MAXUSHORT
2286# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2287# else
ef2f54b0
CB
2288# ifdef USHRT_MAX
2289# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2290# else
2291# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2292# endif
27d4fb96
PP
2293# endif
2294#endif
2295
27d4fb96 2296#ifdef SHORT_MAX
99abf803 2297# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2298#else
2299# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2300# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2301# else
ef2f54b0
CB
2302# ifdef SHRT_MAX
2303# define PERL_SHORT_MAX ((short)SHRT_MAX)
2304# else
2305# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2306# endif
27d4fb96
PP
2307# endif
2308#endif
2309
2310#ifdef SHORT_MIN
99abf803 2311# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2312#else
2313# ifdef MINSHORT
99abf803 2314# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2315# else
ef2f54b0
CB
2316# ifdef SHRT_MIN
2317# define PERL_SHORT_MIN ((short)SHRT_MIN)
2318# else
2319# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2320# endif
27d4fb96
PP
2321# endif
2322#endif
2323
99abf803
PP
2324#ifdef UINT_MAX
2325# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2326#else
99abf803
PP
2327# ifdef MAXUINT
2328# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2329# else
99abf803 2330# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2331# endif
2332#endif
2333
99abf803 2334#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2335
2336#ifdef INT_MAX
99abf803 2337# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2338#else
2339# ifdef MAXINT /* Often used in <values.h> */
99abf803 2340# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2341# else
99abf803 2342# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2343# endif
2344#endif
2345
2346#ifdef INT_MIN
99abf803 2347# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2348#else
2349# ifdef MININT
99abf803 2350# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2351# else
2352# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2353# endif
2354#endif
2355
99abf803
PP
2356#ifdef ULONG_MAX
2357# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2358#else
99abf803
PP
2359# ifdef MAXULONG
2360# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2361# else
99abf803 2362# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2363# endif
2364#endif
2365
99abf803 2366#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2367
760ac839 2368#ifdef LONG_MAX
99abf803 2369# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2370#else
2371# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2372# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2373# else
99abf803 2374# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2375# endif
2376#endif
2377
2378#ifdef LONG_MIN
99abf803 2379# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2380#else
2381# ifdef MINLONG
99abf803 2382# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2383# else
27d4fb96 2384# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2385# endif
2386#endif
2387
d7d93a81 2388#ifdef UV_IS_QUAD
99abf803 2389
99abf803 2390# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2391# define PERL_UQUAD_MIN ((UV)0)
99abf803 2392# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2393# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2394
79072805
LW
2395#endif
2396
830247a4 2397struct RExC_state_t;
8e11feef 2398struct _reg_trie_data;
880b20b6 2399
ee0007ab 2400typedef MEM_SIZE STRLEN;
450a55e4 2401
598921a7
NC
2402#ifdef PERL_MAD
2403typedef struct token TOKEN;
2404typedef struct madprop MADPROP;
2405typedef struct nexttoken NEXTTOKE;
2406#endif
79072805
LW
2407typedef struct op OP;
2408typedef struct cop COP;
2409typedef struct unop UNOP;
2410typedef struct binop BINOP;
2411typedef struct listop LISTOP;
2412typedef struct logop LOGOP;
79072805
LW
2413typedef struct pmop PMOP;
2414typedef struct svop SVOP;
7934575e 2415typedef struct padop PADOP;
79072805 2416typedef struct pvop PVOP;
79072805
LW
2417typedef struct loop LOOP;
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"
96e176bf 2584# include "embed.h"
eb8433b7
NC
2585# ifndef PERL_MAD
2586# undef op_getmad
b3f24c00 2587# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2588# endif
19848b3f
JH
2589# define ISHISH "vms"
2590#endif
2591
2592#if defined(PLAN9)
2593# include "./plan9/plan9ish.h"
2594# define ISHISH "plan9"
2595#endif
2596
2597#if defined(MPE)
2598# include "mpeix/mpeixish.h"
2599# define ISHISH "mpeix"
2600#endif
2601
2602#if defined(__VOS__)
196918b0
PG
2603# ifdef __GNUC__
2604# include "./vos/vosish.h"
2605# else
2606# include "vos/vosish.h"
2607# endif
19848b3f
JH
2608# define ISHISH "vos"
2609#endif
2610
2611#if defined(EPOC)
2612# include "epocish.h"
2613# define ISHISH "epoc"
2614#endif
2615
9969cdde 2616#ifdef __SYMBIAN32__
27da23d5
JH
2617# include "symbian/symbianish.h"
2618# include "embed.h"
eb8433b7
NC
2619# ifndef PERL_MAD
2620# undef op_getmad
b3f24c00 2621# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2622# endif
27da23d5
JH
2623# define ISHISH "symbian"
2624#endif
2625
19848b3f 2626
df00ff3b
IW
2627#if defined(__HAIKU__)
2628# include "haiku/haikuish.h"
2629# define ISHISH "haiku"
2630#elif defined(__BEOS__)
efca5cc6
JH
2631# include "beos/beosish.h"
2632# define ISHISH "beos"
2633#endif
2634
19848b3f
JH
2635#ifndef ISHISH
2636# include "unixish.h"
2637# define ISHISH "unix"
13b6e58c
JH
2638#endif
2639
2946a158
JH
2640/* NSIG logic from Configure --> */
2641/* Strange style to avoid deeply-nested #if/#else/#endif */
2642#ifndef NSIG
2643# ifdef _NSIG
2644# define NSIG (_NSIG)
2645# endif
2646#endif
2647
2648#ifndef NSIG
2649# ifdef SIGMAX
2650# define NSIG (SIGMAX+1)
2651# endif
2652#endif
2653
2654#ifndef NSIG
2655# ifdef SIG_MAX
2656# define NSIG (SIG_MAX+1)
2657# endif
2658#endif
2659
2660#ifndef NSIG
2661# ifdef _SIG_MAX
2662# define NSIG (_SIG_MAX+1)
2663# endif
2664#endif
2665
2666#ifndef NSIG
2667# ifdef MAXSIG
2668# define NSIG (MAXSIG+1)
2669# endif
2670#endif
2671
2672#ifndef NSIG
2673# ifdef MAX_SIG
2674# define NSIG (MAX_SIG+1)
2675# endif
2676#endif
2677
2678#ifndef NSIG
2679# ifdef SIGARRAYSIZE
2680# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2681# endif
2682#endif
2683
2684#ifndef NSIG
2685# ifdef _sys_nsig
2686# define NSIG (_sys_nsig) /* Solaris 2.5 */
2687# endif
2688#endif
2689
2690/* Default to some arbitrary number that's big enough to get most
2691 of the common signals.
2692*/
2693#ifndef NSIG
2694# define NSIG 50
2695#endif
2696/* <-- NSIG logic from Configure */
2697
13b6e58c
JH
2698#ifndef NO_ENVIRON_ARRAY
2699# define USE_ENVIRON_ARRAY
2700#endif
32f822de 2701
c77b533b
JH
2702/*
2703 * initialise to avoid floating-point exceptions from overflow, etc
2704 */
2705#ifndef PERL_FPU_INIT
2706# ifdef HAS_FPSETMASK
2707# if HAS_FLOATINGPOINT_H
2708# include <floatingpoint.h>
2709# endif
ad3a8c67
NC
2710/* Some operating systems have this as a macro, which in turn expands to a comma
2711 expression, and the last sub-expression is something that gets calculated,
2712 and then they have the gall to warn that a value computed is not used. Hence
2713 cast to void. */
2714# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2715# else
2f42fcb0 2716# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2717# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2718# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2719# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2720# else
2721# define PERL_FPU_INIT
2f42fcb0 2722
7014c407 2723# endif
c77b533b
JH
2724# endif
2725#endif
b35112e7
CS
2726#ifndef PERL_FPU_PRE_EXEC
2727# define PERL_FPU_PRE_EXEC {
2728# define PERL_FPU_POST_EXEC }
2729#endif
c77b533b 2730
cbec8ebe
DM
2731#ifndef PERL_SYS_INIT3_BODY
2732# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2733#endif
2734
eb533572
DM
2735/*
2736=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2737Provides system-specific tune up of the C runtime environment necessary to
2738run Perl interpreters. This should be called only once, before creating
2739any Perl interpreters.
2740
2741=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2742Provides system-specific tune up of the C runtime environment necessary to
2743run Perl interpreters. This should be called only once, before creating
2744any Perl interpreters.
2745
2746=for apidoc Am|void|PERL_SYS_TERM|
2747Provides system-specific clean up of the C runtime environment after
2748running Perl interpreters. This should be called only once, after
2749freeing any remaining Perl interpreters.
2750
2751=cut
2752 */
2753
cbec8ebe
DM
2754#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2755#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2756#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2757
be708cc0
JH
2758#ifndef PERL_WRITE_MSG_TO_CONSOLE
2759# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2760#endif
2761
0f31cffe
GS
2762#ifndef MAXPATHLEN
2763# ifdef PATH_MAX
b990c8b2
JH
2764# ifdef _POSIX_PATH_MAX
2765# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2766/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2767 * included the null byte or not. Later amendments of POSIX,
2768 * XPG4, the Austin Group, and the Single UNIX Specification
2769 * all explicitly include the null byte in the PATH_MAX.
2770 * Ditto for _POSIX_PATH_MAX. */
2771# define MAXPATHLEN PATH_MAX
b990c8b2 2772# else
09448d78 2773# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2774# endif
2775# else
2776# define MAXPATHLEN (PATH_MAX+1)
2777# endif
0f31cffe 2778# else
b990c8b2 2779# ifdef _POSIX_PATH_MAX
09448d78 2780# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2781# else
2782# define MAXPATHLEN 1024 /* Err on the large side. */
2783# endif
0f31cffe
GS
2784# endif
2785#endif
2786
c80263a8
SH
2787/* In case Configure was not used (we are using a "canned config"
2788 * such as Win32, or a cross-compilation setup, for example) try going
2789 * by the gcc major and minor versions. One useful URL is
2790 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2791 * but contrary to this information warn_unused_result seems
2792 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2793 * Also, when building extensions with an installed perl, this allows
2794 * the user to upgrade gcc and get the right attributes, rather than
2795 * relying on the list generated at Configure time. --AD
c80263a8
SH
2796 * Set these up now otherwise we get confused when some of the <*thread.h>
2797 * includes below indirectly pull in <perlio.h> (which needs to know if we
2798 * have HASATTRIBUTE_FORMAT).
2799 */
2800
4d7c7898 2801#ifndef PERL_MICRO
fc2007d4 2802#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2804# define HASATTRIBUTE_DEPRECATED
2805# endif
c80263a8
SH
2806# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2807# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2808# if defined __MINGW32__
2809# define PRINTF_FORMAT_NULL_OK
2810# endif
c80263a8
SH
2811# endif
2812# if __GNUC__ >= 3 /* 3.0 -> */
2813# define HASATTRIBUTE_MALLOC
2814# endif
2815# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2816# define HASATTRIBUTE_NONNULL
2817# endif
2818# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2819# define HASATTRIBUTE_NORETURN
2820# endif
2821# if __GNUC__ >= 3 /* gcc 3.0 -> */
2822# define HASATTRIBUTE_PURE
2823# endif
42bf5550 2824# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2825# define HASATTRIBUTE_UNUSED
2826# endif
d324fe49
AD
2827# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2828# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2829# endif
c80263a8
SH
2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2831# define HASATTRIBUTE_WARN_UNUSED_RESULT
2832# endif
2833#endif
00f254e2 2834#endif /* #ifndef PERL_MICRO */
c80263a8 2835
3db8f154 2836/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2837 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2838 * this results in many functions being undeclared which bothers C++
2839 * May make sense to have threads after "*ish.h" anyway
2840 */
2841
3db8f154 2842#if defined(USE_ITHREADS)
2986a63f
JH
2843# ifdef NETWARE
2844# include <nw5thread.h>
2845# else
32f822de
GS
2846# ifdef FAKE_THREADS
2847# include "fakethr.h"
2848# else
2849# ifdef WIN32
2850# include <win32thread.h>
2851# else
dd96f567
IZ
2852# ifdef OS2
2853# include "os2thread.h"
2854# else
7f3d1cf1 2855# ifdef I_MACH_CTHREADS
bdd66968 2856# include <mach/cthreads.h>
8f1f23e8 2857# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2858# define MUTEX_INIT_CALLS_MALLOC
2859# endif
7f3d1cf1
BH
2860typedef cthread_t perl_os_thread;
2861typedef mutex_t perl_mutex;
2862typedef condition_t perl_cond;
2863typedef void * perl_key;
2864# else /* Posix threads */
1f5ae88c
JH
2865# ifdef I_PTHREAD
2866# include <pthread.h>
2867# endif
7f3d1cf1
BH
2868typedef pthread_t perl_os_thread;
2869typedef pthread_mutex_t perl_mutex;
2870typedef pthread_cond_t perl_cond;
2871typedef pthread_key_t perl_key;
2872# endif /* I_MACH_CTHREADS */
dd96f567 2873# endif /* OS2 */
32f822de
GS
2874# endif /* WIN32 */
2875# endif /* FAKE_THREADS */
2986a63f 2876#endif /* NETWARE */
3db8f154 2877#endif /* USE_ITHREADS */
c5be433b 2878
66a93824 2879#if defined(WIN32)
1feb2720 2880# include "win32.h"
c5be433b
GS
2881#endif
2882
2986a63f
JH
2883#ifdef NETWARE
2884# include "netware.h"
2885#endif
2886
e5218da5 2887#define STATUS_UNIX PL_statusvalue
68dc0745 2888#ifdef VMS
6b88bc9c 2889# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2890/*
2891 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2892 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2893 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2894 * be updated also.
2895 */
2896# include <stsdef.h>
2897# include <ssdef.h>
2898/* Presume this because if VMS changes it, it will require a new
2899 * set of APIs for waiting on children for binary compatibility.
2900 */
2901# define child_offset_bits (8)
2902# ifndef C_FAC_POSIX
2903# define C_FAC_POSIX 0x35A000
2904# endif
2905
2906/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2907 * platform from the existing UNIX or Native status values.
2908 */
2909
37038d91 2910# define STATUS_EXIT \
7a7fd8e0
JM
2911 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2912 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2913
7a7fd8e0 2914
fb38d079
JM
2915/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2916 * exit code and shifts the UNIX value over the correct number of bits to
2917 * be a child status. Usually the number of bits is 8, but that could be
2918 * platform dependent. The NATIVE status code is presumed to have either
2919 * from a child process.
7a7fd8e0
JM
2920 */
2921
fb38d079
JM
2922/* This is complicated. The child processes return a true native VMS
2923 status which must be saved. But there is an assumption in Perl that
2924 the UNIX child status has some relationship to errno values, so
00f254e2 2925 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2926 In order to get the string translation correct, for the error, errno
2927 must be EVMSERR, but that generates a different text message
2928 than what the test programs are expecting. So an errno value must
2929 be derived from the native status value when an error occurs.
2930 That will hide the true native status message. With this version of
2931 perl, the true native child status can always be retrieved so that
2932 is not a problem. But in this case, Pl_statusvalue and errno may
2933 have different values in them.
2934 */
7a7fd8e0 2935
fb38d079 2936# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2937 STMT_START { \
2fbb330f
JM
2938 I32 evalue = (I32)n; \
2939 if (evalue == EVMSERR) { \
2940 PL_statusvalue_vms = vaxc$errno; \
2941 PL_statusvalue = evalue; \
7a7fd8e0 2942 } else { \
2fbb330f 2943 PL_statusvalue_vms = evalue; \
fb38d079 2944 if (evalue == -1) { \
3280af22 2945 PL_statusvalue = -1; \
7a7fd8e0
JM
2946 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2947 } else \
fb38d079 2948 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2949 set_vaxc_errno(evalue); \
fb38d079
JM
2950 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2951 set_errno(EVMSERR); \
2952 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2953 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2954 } \
68dc0745 2955 } STMT_END
7a7fd8e0 2956
68dc0745 2957# ifdef VMSISH_STATUS
e5218da5 2958# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2959# else
e5218da5 2960# define STATUS_CURRENT STATUS_UNIX
68dc0745 2961# endif
7a7fd8e0
JM
2962
2963 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2964 * the NATIVE status to an equivalent value. Can not be used to translate
2965 * exit code values as exit code values are not guaranteed to have any
2966 * relationship at all to errno values.
2967 * This is used when Perl is forcing errno to have a specific value.
2968 */
e5218da5 2969# define STATUS_UNIX_SET(n) \
68dc0745 2970 STMT_START { \
7a7fd8e0 2971 I32 evalue = (I32)n; \
0968cdad 2972 PL_statusvalue = evalue; \
3280af22 2973 if (PL_statusvalue != -1) { \
0968cdad
JM
2974 if (PL_statusvalue != EVMSERR) { \
2975 PL_statusvalue &= 0xFFFF; \
2976 if (MY_POSIX_EXIT) \
2977 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2978 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2979 } \
2980 else { \
2981 PL_statusvalue_vms = vaxc$errno; \
2982 } \
68dc0745 2983 } \
0968cdad
JM
2984 else PL_statusvalue_vms = SS$_ABORT; \
2985 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2986 } STMT_END
2987
2988 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2989 * the NATIVE error status based on it.
2990 *
2991 * When in the default mode to comply with the Perl VMS documentation,
2992 * 0 is a success and any other code sets the NATIVE status to a failure
2993 * code of SS$_ABORT.
fb38d079
JM
2994 *
2995 * In the new POSIX EXIT mode, native status will be set so that the
2996 * actual exit code will can be retrieved by the calling program or
2997 * shell.
2998 *
2999 * If the exit code is not clearly a UNIX parent or child exit status,
3000 * it will be passed through as a VMS status.
7a7fd8e0
JM
3001 */
3002
fb38d079 3003# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
3004 STMT_START { \
3005 I32 evalue = (I32)n; \
3006 PL_statusvalue = evalue; \
e08e1e1d
JM
3007 if (MY_POSIX_EXIT) { \
3008 if (evalue <= 0xFF00) { \
3009 if (evalue > 0xFF) \
3010 evalue = (evalue >> child_offset_bits) & 0xFF; \
3011 PL_statusvalue_vms = \
3012 (C_FAC_POSIX | (evalue << 3 ) | \
3013 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3014 } else /* forgive them Perl, for they have sinned */ \
3015 PL_statusvalue_vms = evalue; \
3016 } else { \
3017 if (evalue == 0) \
3018 PL_statusvalue_vms = SS$_NORMAL; \
3019 else if (evalue <= 0xFF00) \
3020 PL_statusvalue_vms = SS$_ABORT; \
3021 else { /* forgive them Perl, for they have sinned */ \
3022 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3023 else PL_statusvalue_vms = vaxc$errno; \
3024 /* And obviously used a VMS status value instead of UNIX */ \
3025 PL_statusvalue = EVMSERR; \
3026 } \
3027 set_vaxc_errno(PL_statusvalue_vms); \
3028 } \
68dc0745 3029 } STMT_END
fb38d079 3030
e08e1e1d 3031
6ac6a52b
JM
3032 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3033 * and sets the NATIVE error status based on it. This special case
3034 * is needed to maintain compatibility with past VMS behavior.
3035 *
3036 * In the default mode on VMS, this number is passed through as
3037 * both the NATIVE and UNIX status. Which makes it different
3038 * that the STATUS_UNIX_EXIT_SET.
3039 *
3040 * In the new POSIX EXIT mode, native status will be set so that the
3041 * actual exit code will can be retrieved by the calling program or
3042 * shell.
3043 *
1a3aec58
JM
3044 * A POSIX exit code is from 0 to 255. If the exit code is higher
3045 * than this, it needs to be assumed that it is a VMS exit code and
3046 * passed through.
6ac6a52b
JM
3047 */
3048
3049# define STATUS_EXIT_SET(n) \
3050 STMT_START { \
3051 I32 evalue = (I32)n; \
3052 PL_statusvalue = evalue; \
3053 if (MY_POSIX_EXIT) \
1a3aec58
JM
3054 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3055 PL_statusvalue_vms = \
3056 (C_FAC_POSIX | (evalue << 3 ) | \
3057 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3058 else \
3059 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3060 set_vaxc_errno(PL_statusvalue_vms); \
3061 } STMT_END
3062
fb38d079
JM
3063
3064 /* This macro forces a success status */
7a7fd8e0
JM
3065# define STATUS_ALL_SUCCESS \
3066 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3067
3068 /* This macro forces a failure status */
7a7fd8e0
JM
3069# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3070 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3071 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3072
68dc0745 3073#else
e5218da5 3074# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3075# if defined(WCOREDUMP)
37038d91 3076# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3077 STMT_START { \
3078 PL_statusvalue_posix = (n); \
3079 if (PL_statusvalue_posix == -1) \
3080 PL_statusvalue = -1; \
3081 else { \
3082 PL_statusvalue = \
3083 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3084 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3085 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3086 } \
3087 } STMT_END
3088# elif defined(WIFEXITED)
37038d91 3089# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3090 STMT_START { \
3091 PL_statusvalue_posix = (n); \
3092 if (PL_statusvalue_posix == -1) \
3093 PL_statusvalue = -1; \
3094 else { \
3095 PL_statusvalue = \
3096 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3097 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3098 } \
3099 } STMT_END
3100# else
37038d91 3101# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3102 STMT_START { \
3103 PL_statusvalue_posix = (n); \
3104 if (PL_statusvalue_posix == -1) \
3105 PL_statusvalue = -1; \
3106 else { \
3107 PL_statusvalue = \
3108 PL_statusvalue_posix & 0xFFFF; \
3109 } \
3110 } STMT_END
3111# endif
3112# define STATUS_UNIX_SET(n) \
68dc0745 3113 STMT_START { \
3280af22
NIS
3114 PL_statusvalue = (n); \
3115 if (PL_statusvalue != -1) \
3116 PL_statusvalue &= 0xFFFF; \
68dc0745 3117 } STMT_END
7a7fd8e0 3118# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3119# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3120# define STATUS_CURRENT STATUS_UNIX
37038d91 3121# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3122# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3123# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3124#endif
3125
cc3604b1
GS
3126/* flags in PL_exit_flags for nature of exit() */
3127#define PERL_EXIT_EXPECTED 0x01
31d77e54 3128#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3129
b79b76e0 3130#ifndef PERL_CORE
a7cb1f99 3131/* format to use for version numbers in file/directory names */
273cf8d1 3132/* XXX move to Configure? */
b79b76e0
NC
3133/* This was only ever used for the current version, and that can be done at
3134 compile time, as PERL_FS_VERSION, so should we just delete it? */
3135# ifndef PERL_FS_VER_FMT
3136# define PERL_FS_VER_FMT "%d.%d.%d"
3137# endif
3138#endif
3139
3140#ifndef PERL_FS_VERSION
3141# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3142#endif
3143
45bc9206 3144/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3145 * performance issue, so we allow people to disable it. Also, if
3146 * we are using stdio, there are broken implementations of fflush(NULL)
3147 * out there, Solaris being the most prominent.
45bc9206
GS
3148 */
3149#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3150# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3151# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3152# else
3153# ifdef FFLUSH_ALL
3154# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3155# else
c5be433b 3156# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3157# endif
66fe083f 3158# endif
45bc9206
GS
3159#endif
3160
7766f137
GS
3161#ifndef PERL_WAIT_FOR_CHILDREN
3162# define PERL_WAIT_FOR_CHILDREN NOOP
3163#endif
3164
ba869deb 3165/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3166#ifndef PERL_SET_INTERP
3167# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3168#endif
3169
3170#ifndef PERL_GET_INTERP
3171# define PERL_GET_INTERP (PL_curinterp)
3172#endif
3173
54aff467 3174#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3175# ifdef MULTIPLICITY
ba869deb 3176# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3177# endif
ba869deb
GS
3178# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3179#endif
3180
00f254e2 3181/*
8896765a 3182 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3183 All that is required is that the perl source does not
00f254e2
KW
3184 use "%-p" or "%-<number>p" or "%<number>p" formats.
3185 These formats will still work in perl code.
486ec47a 3186 See comments in sv.c for further details.
8896765a 3187
8896765a 3188 Robin Barker 2005-07-14
f46d31f2 3189
00f254e2 3190 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3191*/
8896765a
RB
3192
3193#ifndef SVf_
63ce7bf0 3194# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3195#endif
3196
8896765a 3197#ifndef SVf
104abab4 3198# define SVf "-p"
d2560b70
RB
3199#endif
3200
014ead4b 3201#ifndef SVf32
8896765a 3202# define SVf32 SVf_(32)
014ead4b
RB
3203#endif
3204
3205#ifndef SVf256
8896765a
RB
3206# define SVf256 SVf_(256)
3207#endif
3208
be2597df
MHM
3209#define SVfARG(p) ((void*)(p))
3210
20023040
FC
3211#ifndef HEKf
3212# define HEKf "2p"
3213#endif
3214
3215#define HEKfARG(p) ((void*)(p))
3216
f46d31f2 3217#ifdef PERL_CORE
486ec47a 3218/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3219# undef VDf
3220#else
3221# ifndef VDf
8896765a
RB
3222# define VDf "vd"
3223# endif
014ead4b 3224#endif
170cd9e9
NC
3225
3226#ifdef PERL_CORE
486ec47a 3227/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3228# undef UVf
3229#else
170cd9e9
NC
3230# ifndef UVf
3231# define UVf UVuf
3232# endif
d2560b70
RB
3233#endif
3234
fcdf39cf
RGS
3235#ifdef HASATTRIBUTE_DEPRECATED
3236# define __attribute__deprecated__ __attribute__((deprecated))
3237#endif
0dbb1585
AL
3238#ifdef HASATTRIBUTE_FORMAT
3239# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3240#endif
3241#ifdef HASATTRIBUTE_MALLOC
77785eea 3242# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3243#endif
0dbb1585 3244#ifdef HASATTRIBUTE_NONNULL
abb2c242 3245# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3246#endif
0dbb1585 3247#ifdef HASATTRIBUTE_NORETURN
abb2c242 3248# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3249#endif
0dbb1585 3250#ifdef HASATTRIBUTE_PURE
abb2c242 3251# define __attribute__pure__ __attribute__((pure))
f22be1b8 3252#endif
0dbb1585
AL
3253#ifdef HASATTRIBUTE_UNUSED
3254# define __attribute__unused__ __attribute__((unused))
3255#endif
3256#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3257# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3258#endif
3259
0dbb1585 3260/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3261#ifndef __attribute__deprecated__
3262# define __attribute__deprecated__
3263#endif
0dbb1585
AL
3264#ifndef __attribute__format__
3265# define __attribute__format__(x,y,z)
3266#endif
f22be1b8 3267#ifndef __attribute__malloc__
abb2c242 3268# define __attribute__malloc__
f22be1b8
JH
3269#endif
3270#ifndef __attribute__nonnull__
abb2c242 3271# define __attribute__nonnull__(a)
f22be1b8
JH
3272#endif
3273#ifndef __attribute__noreturn__
abb2c242 3274# define __attribute__noreturn__
f22be1b8
JH
3275#endif
3276#ifndef __attribute__pure__
abb2c242 3277# define __attribute__pure__
f22be1b8 3278#endif
0dbb1585
AL
3279#ifndef __attribute__unused__
3280# define __attribute__unused__
3281#endif
f22be1b8 3282#ifndef __attribute__warn_unused_result__
abb2c242
JH
3283# define __attribute__warn_unused_result__
3284#endif
3285
0dbb1585
AL
3286/* For functions that are marked as __attribute__noreturn__, it's not
3287 appropriate to call return. In either case, include the lint directive.
3288 */
3289#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3290# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3291#else
b37c2d43 3292# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3293#endif
3294
cdfeb707
RB
3295/* Some OS warn on NULL format to printf */
3296#ifdef PRINTF_FORMAT_NULL_OK
3297# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3298#else
00f254e2 3299# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3300#endif
3301
635aebb7 3302#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3303# define EXPECT(expr,val) __builtin_expect(expr,val)
3304#else
3305# define EXPECT(expr,val) (expr)
3306#endif
3307#define LIKELY(cond) EXPECT(cond,1)
3308#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3309#ifdef HAS_BUILTIN_CHOOSE_EXPR
3310/* placeholder */
3311#endif
b37c2d43 3312
3fc1aec6
PP
3313/* Some unistd.h's give a prototype for pause() even though
3314 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3315 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3316*/
3317#ifdef HAS_PAUSE
3318#define Pause pause
3319#else
3320#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3321#endif
3322
3323#ifndef IOCPARM_LEN
3324# ifdef IOCPARM_MASK
61f1c44b 3325 /* on BSDish systems we're safe */
748a9306
LW
3326# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3327# else
61f1c44b 3328# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3329 /* on Linux systems we're safe; except when we're not [perl #38223] */
3330# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3331# else
748a9306 3332 /* otherwise guess at what's safe */
61f1c44b
JVD
3333# define IOCPARM_LEN(x) 256
3334# endif
748a9306 3335# endif
a0d0e21e
LW
3336#endif
3337
1761cee5 3338#if defined(__CYGWIN__)
521e0776
GS
3339/* USEMYBINMODE
3340 * This symbol, if defined, indicates that the program should
16fe6d59 3341 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3342 * that a file is in "binary" mode -- that is, that no translation
3343 * of bytes occurs on read or write operations.
3344 */
36894f0b 3345# define USEMYBINMODE /**/
77a40698 3346# include <io.h> /* for setmode() prototype */
16fe6d59 3347# define my_binmode(fp, iotype, mode) \
77a40698 3348 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3349#endif
3350
88d10794
JH
3351#ifdef __CYGWIN__
3352void init_os_extras(void);
3353#endif
3354
cea2e8a9
GS
3355#ifdef UNION_ANY_DEFINITION
3356UNION_ANY_DEFINITION;
3357#else
3358union any {
3359 void* any_ptr;
3360 I32 any_i32;
3361 IV any_iv;
c6bf6a65 3362 UV any_uv;
cea2e8a9 3363 long any_long;
9febdf04 3364 bool any_bool;
c76ac1ee 3365 void (*any_dptr) (void*);
acfe0abc 3366 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3367};
3368#endif
3369
acfe0abc 3370typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3371
3372#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3373#define FILTER_DATA(idx) \
3374 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3375#define FILTER_ISREADER(idx) \
3376 (PL_parser && PL_parser->rsfp_filters \
3377 && idx >= AvFILLp(PL_parser->rsfp_filters))
3378#define PERL_FILTER_EXISTS(i) \
3379 (PL_parser && PL_parser->rsfp_filters \
3380 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3381
c5078cac
JH
3382#if defined(_AIX) && !defined(_AIX43)
3383#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3384/* We cannot include <crypt.h> to get the struct crypt_data
3385 * because of setkey prototype problems when threading */
3386typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3387 /* From OSF, Not needed in AIX
3388 char C[28], D[28];
3389 */
3390 char E[48];
3391 char KS[16][48];
3392 char block[66];
3393 char iobuf[16];
3394} CRYPTD;
3395#endif /* threading */
3396#endif /* AIX */
3397
e37778c2 3398#if !defined(OS2)
2c2d71f5
JH
3399# include "iperlsys.h"
3400#endif
504f80c1 3401
9c12f1e5 3402#ifdef __LIBCATAMOUNT__
00f254e2 3403#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3404#undef HAS_GROUP
3405#define FAKE_BIT_BUCKET
3406#endif
3407
d10dc2ae
JH
3408/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3409 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3410 * defined by Configure, despite their names being similar to the
3411 * other defines like USE_ITHREADS. Configure in fact knows nothing
3412 * about the randomised hashes. Therefore to enable/disable the hash
3413 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3414#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3415# define USE_HASH_SEED
504f80c1
JH
3416#endif
3417
598921a7
NC
3418/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3419 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3420 * it's not really needed.
3421 */
3422#if defined(WIN32)
3423# define YYTOKENTYPE
3424#endif
3425#include "perly.h"
3426
3427#ifdef PERL_MAD
3428struct nexttoken {
3429 YYSTYPE next_val; /* value of next token, if any */
3430 I32 next_type; /* type of next token */
3431 MADPROP *next_mad; /* everything else about that token */
3432};
3433#endif
3434
654eccd5
JD
3435/* macros to define bit-fields in structs. */
3436#ifndef PERL_BITFIELD8
3437# define PERL_BITFIELD8 unsigned
3438#endif
3439#ifndef PERL_BITFIELD16
3440# define PERL_BITFIELD16 unsigned
3441#endif
3442#ifndef PERL_BITFIELD32
3443# define PERL_BITFIELD32 unsigned
3444#endif
3445
79072805 3446#include "sv.h"
288b8c02 3447#include "regexp.h"
378cc40b 3448#include "util.h"
8d063cd8 3449#include "form.h"
79072805 3450#include "gv.h"
dd2155a4 3451#include "pad.h"
79072805 3452#include "cv.h"
abdd5c84 3453#include "opnames.h"
79072805 3454#include "op.h"
b3ca2e83 3455#include "hv.h"
79072805
LW
3456#include "cop.h"
3457#include "av.h"
79072805
LW
3458#include "mg.h"
3459#include "scope.h"
4438c4b7 3460#include "warnings.h"
a0ed51b3 3461#include "utf8.h"
8d063cd8 3462
0d7d409d
DM
3463/* these would be in doio.h if there was such a file */
3464#define my_stat() my_stat_flags(SV_GMAGIC)
3465#define my_lstat() my_lstat_flags(SV_GMAGIC)
3466
20f4945e 3467/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3468#undef _XPV_HEAD
3469#undef _XPVMG_HEAD
3470#undef _XPVCV_COMMON
7fae4e64
GS
3471
3472typedef struct _sublex_info SUBLEXINFO;
3473struct _sublex_info {
651b5b28
NC
3474 U8 super_state; /* lexer state to save */
3475 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3476 OP *sub_op; /* "lex_op" to use */
f06b5848
DM
3477 char *super_bufptr; /* PL_parser->bufptr that was */
3478 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS
3479};
3480
199e78b7
DM
3481#include "parser.h"
3482
455ece5e 3483typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3484
2c2d71f5 3485struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3486struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3487
5f7fde29
GS
3488struct ptr_tbl_ent {
3489 struct ptr_tbl_ent* next;
53c1dcc0 3490 const void* oldval;
5f7fde29 3491 void* newval;
d18c6117
GS
3492};
3493
5f7fde29
GS
3494struct ptr_tbl {
3495 struct ptr_tbl_ent** tbl_ary;
3496 UV tbl_max;
3497 UV tbl_items;
db93c0c4
NC
3498 struct ptr_tbl_arena *tbl_arena;
3499 struct ptr_tbl_ent *tbl_arena_next;
3500 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3501};
3502
450a55e4 3503#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3504# define I286
3505#endif
3506
fe14fcc3
LW
3507#if defined(htonl) && !defined(HAS_HTONL)
3508#define HAS_HTONL
ae986130 3509#endif
fe14fcc3
LW
3510#if defined(htons) && !defined(HAS_HTONS)
3511#define HAS_HTONS
ae986130 3512#endif
fe14fcc3
LW
3513#if defined(ntohl) && !defined(HAS_NTOHL)
3514#define HAS_NTOHL
ae986130 3515#endif
fe14fcc3
LW
3516#if defined(ntohs) && !defined(HAS_NTOHS)
3517#define HAS_NTOHS
ae986130 3518#endif
fe14fcc3 3519#ifndef HAS_HTONL
d9d8d8de 3520#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3521#define HAS_HTONS
3522#define HAS_HTONL
3523#define HAS_NTOHS
3524#define HAS_NTOHL
a687059c
LW
3525#define MYSWAP
3526#define htons my_swap
3527#define htonl my_htonl
3528#define ntohs my_swap
3529#define ntohl my_ntohl
3530#endif
3531#else
d9d8d8de 3532#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3533#undef HAS_HTONS
3534#undef HAS_HTONL
3535#undef HAS_NTOHS
3536#undef HAS_NTOHL
a687059c
LW
3537#endif
3538#endif
3539
988174c1
LW
3540/*
3541 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3542 * -DWS
3543 */
3544#if BYTEORDER != 0x1234
3545# define HAS_VTOHL
3546# define HAS_VTOHS
3547# define HAS_HTOVL
3548# define HAS_HTOVS
c67712b2 3549# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3550# define vtohl(x) ((((x)&0xFF)<<24) \
3551 +(((x)>>24)&0xFF) \
3552 +(((x)&0x0000FF00)<<8) \
3553 +(((x)&0x00FF0000)>>8) )
3554# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3555# define htovl(x) vtohl(x)
3556# define htovs(x) vtohs(x)
3557# endif
3558 /* otherwise default to functions in util.c */
2a8c3029 3559#ifndef htovs
c623ac67
GS
3560short htovs(short n);
3561short vtohs(short n);
3562long htovl(long n);
3563long vtohl(long n);
988174c1 3564#endif
2a8c3029 3565#endif
988174c1 3566
3bb7c1b4
JH
3567/* *MAX Plus 1. A floating point value.
3568 Hopefully expressed in a way that dodgy floating point can't mess up.
3569 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3570 is added to it
3571 May find that some broken compiler will want the value cast to I32.
3572 [after the shift, as signed >> may not be as secure as unsigned >>]
3573*/
3574#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3575#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3576/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3577 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3578 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3579*/
3580#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3581
3bb7c1b4
JH
3582#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3583#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3584#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3585
3586/* This may look like unnecessary jumping through hoops, but converting
3587 out of range floating point values to integers *is* undefined behaviour,
3588 and it is starting to bite.
3589*/
3590#ifndef CAST_INLINE
65202027 3591#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3592#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3593#define I_V(what) (cast_iv((NV)(what)))
3594#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3595#else
3596#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3597 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3598 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3599#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3600 : ((n) < U32_MAX_P1 ? (U32) (n) \
3601 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3602#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3603 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3604 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3605#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3606 : ((n) < UV_MAX_P1 ? (UV) (n) \
3607 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3608#endif
3609
3610#define U_S(what) ((U16)U_32(what))
3611#define U_I(what) ((unsigned int)U_32(what))
3612#define U_L(what) U_32(what)
ed6116ce 3613
ed140128
AD
3614#ifdef HAS_SIGNBIT
3615# define Perl_signbit signbit
3616#endif
3617
2d4389e4
JH
3618/* These do not care about the fractional part, only about the range. */
3619#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3620#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3621
25da4f38
IZ
3622/* Used with UV/IV arguments: */
3623 /* XXXX: need to speed it up */
3624#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3625#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3626
352d5a3a
LW
3627#ifndef MAXSYSFD
3628# define MAXSYSFD 2
3629#endif
ee0007ab 3630
79072805 3631#ifndef __cplusplus
27da23d5 3632#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3633Uid_t getuid (void);
3634Uid_t geteuid (void);
3635Gid_t getgid (void);
3636Gid_t getegid (void);
79072805 3637#endif
e1caacb4 3638#endif
8d063cd8 3639
0c30d9ec 3640#ifndef Perl_debug_log
bf49b057
GS
3641# define Perl_debug_log PerlIO_stderr()
3642#endif
3643
3644#ifndef Perl_error_log
3645# define Perl_error_log (PL_stderrgv \
6b78add2 3646 && isGV(PL_stderrgv) \
01bb7c6d 3647 && GvIOp(PL_stderrgv) \
42de951c 3648 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3649 ? IoOFP(GvIOp(PL_stderrgv)) \
3650 : PerlIO_stderr())
0c30d9ec 3651#endif
3967c732 3652
aea4f609
DM
3653
3654#define DEBUG_p_FLAG 0x00000001 /* 1 */
3655#define DEBUG_s_FLAG 0x00000002 /* 2 */
3656#define DEBUG_l_FLAG 0x00000004 /* 4 */
3657#define DEBUG_t_FLAG 0x00000008 /* 8 */
3658#define DEBUG_o_FLAG 0x00000010 /* 16 */
3659#define DEBUG_c_FLAG 0x00000020 /* 32 */
3660#define DEBUG_P_FLAG 0x00000040 /* 64 */
3661#define DEBUG_m_FLAG 0x00000080 /* 128 */
3662#define DEBUG_f_FLAG 0x00000100 /* 256 */
3663#define DEBUG_r_FLAG 0x00000200 /* 512 */
3664#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3665#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3666/* U is reserved for Unofficial, exploratory hacking */
3667#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3668#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3669#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3670#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3671/* 0x00010000 is unused, used to be S */
aea4f609 3672#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3673#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3674#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3675#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3676#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3677#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3678#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3679#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3680#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3681#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM
3682
3683#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3684#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3685 that something was done? */
aea4f609 3686
bd16a5f0
IZ
3687# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3688# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3689# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3690# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3691# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3692# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3693# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3694# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3695# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3696# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3697# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3698# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3699# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3700# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3701# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3702# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ
3703# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3704# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3705# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3706# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3707# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3708# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3709# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3710# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3711# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3712# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3713# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3714# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3715
3967c732 3716#ifdef DEBUGGING
aea4f609 3717
bd16a5f0
IZ
3718# define DEBUG_p_TEST DEBUG_p_TEST_
3719# define DEBUG_s_TEST DEBUG_s_TEST_
3720# define DEBUG_l_TEST DEBUG_l_TEST_
3721# define DEBUG_t_TEST DEBUG_t_TEST_
3722# define DEBUG_o_TEST DEBUG_o_TEST_
3723# define DEBUG_c_TEST DEBUG_c_TEST_
3724# define DEBUG_P_TEST DEBUG_P_TEST_
3725# define DEBUG_m_TEST DEBUG_m_TEST_
3726# define DEBUG_f_TEST DEBUG_f_TEST_
3727# define DEBUG_r_TEST DEBUG_r_TEST_
3728# define DEBUG_x_TEST DEBUG_x_TEST_
3729# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3730# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3731# define DEBUG_H_TEST DEBUG_H_TEST_
3732# define DEBUG_X_TEST DEBUG_X_TEST_
3733# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ
3734# define DEBUG_T_TEST DEBUG_T_TEST_
3735# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3736# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3737# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3738# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3739# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3740# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3741# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3742# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3743# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3744# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3745# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3746
488b0c7a
JH
3747# define PERL_DEB(a) a
3748# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3749# define DEBUG_p(a) if (DEBUG_p_TEST) a
3750# define DEBUG_s(a) if (DEBUG_s_TEST) a
3751# define DEBUG_l(a) if (DEBUG_l_TEST) a
3752# define DEBUG_t(a) if (DEBUG_t_TEST) a
3753# define DEBUG_o(a) if (DEBUG_o_TEST) a
3754# define DEBUG_c(a) if (DEBUG_c_TEST) a
3755# define DEBUG_P(a) if (DEBUG_P_TEST) a
3756
969058bb
VK
3757 /* Temporarily turn off memory debugging in case the a
3758 * does memory allocation, either directly or indirectly. */
acfe0abc 3759# define DEBUG_m(a) \
0b250b9e 3760 STMT_START { \
aea4f609 3761 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3762 } STMT_END
aea4f609 3763
5f80b19c
AMS
3764# define DEBUG__(t, a) \
3765 STMT_START { \
3766 if (t) STMT_START {a;} STMT_END; \
3767 } STMT_END
3768
3769# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3770#ifndef PERL_EXT_RE_BUILD
5f80b19c 3771# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3772#else
3773# define DEBUG_r(a) STMT_START {a;} STMT_END
3774#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3775# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3776# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3777# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3778# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3779# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3780# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3781# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3782# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3783# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3784
5f80b19c
AMS
3785# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3786# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3787# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3788# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)