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[perl #114964] Correct 'ref' func POD to fix bad behavior around 'class matching'
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#ifdef VOIDUSED
26# undef VOIDUSED
00f254e2 27#endif
0cb96387 28#define VOIDUSED 1
47a51902 29
d460ef45 30#ifdef PERL_MICRO
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31# include "uconfig.h"
32#else
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33# ifndef USE_CROSS_COMPILE
34# include "config.h"
35# else
36# include "xconfig.h"
37# endif
12ae5dfc 38#endif
0cb96387 39
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40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
6f4183fe 47#ifdef USE_ITHREADS
acfe0abc 48# if !defined(MULTIPLICITY)
6f4183fe
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49# define MULTIPLICITY
50# endif
51#endif
52
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53#ifdef PERL_GLOBAL_STRUCT_PRIVATE
54# ifndef PERL_GLOBAL_STRUCT
55# define PERL_GLOBAL_STRUCT
56# endif
57#endif
97aff369 58
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59#ifdef PERL_GLOBAL_STRUCT
60# ifndef MULTIPLICITY
61# define MULTIPLICITY
62# endif
63#endif
64
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65#ifdef MULTIPLICITY
66# ifndef PERL_IMPLICIT_CONTEXT
67# define PERL_IMPLICIT_CONTEXT
68# endif
69#endif
70
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71/* undef WIN32 when building on Cygwin (for libwin32) - gph */
72#ifdef __CYGWIN__
73# undef WIN32
74# undef _WIN32
75#endif
76
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77#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
78# ifndef SYMBIAN
79# define SYMBIAN
80# endif
81#endif
82
a0fd4948 83#ifdef __SYMBIAN32__
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84# include "symbian/symbian_proto.h"
85#endif
86
87/* Any stack-challenged places. The limit varies (and often
88 * is configurable), but using more than a kilobyte of stack
89 * is usually dubious in these systems. */
739a0b84
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90#if defined(__SYMBIAN32__)
91/* Symbian: need to work around the SDK features. *
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92 * On WINS: MS VC5 generates calls to _chkstk, *
93 * if a "large" stack frame is allocated. *
94 * gcc on MARM does not generate calls like these. */
95# define USE_HEAP_INSTEAD_OF_STACK
96#endif
97
98#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 99/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 100#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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101# define USE_REENTRANT_API
102#endif
103
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104/* <--- here ends the logic shared by perl.h and makedef.pl */
105
af28e889 106/*
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107 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
108 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
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109 * __bsdi__ for BSD/OS
110 */
6239f2da 111#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
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112# ifndef BSDish
113# define BSDish
114# endif
115#endif
116
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117#undef START_EXTERN_C
118#undef END_EXTERN_C
119#undef EXTERN_C
120#ifdef __cplusplus
121# define START_EXTERN_C extern "C" {
122# define END_EXTERN_C }
123# define EXTERN_C extern "C"
124#else
125# define START_EXTERN_C
126# define END_EXTERN_C
127# define EXTERN_C extern
128#endif
129
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130/* Fallback definitions in case we don't have definitions from config.h.
131 This should only matter for systems that don't use Configure and
132 haven't been modified to define PERL_STATIC_INLINE yet.
133*/
134#if !defined(PERL_STATIC_INLINE)
135# ifdef HAS_STATIC_INLINE
136# define PERL_STATIC_INLINE static inline
137# else
138# define PERL_STATIC_INLINE static
139# endif
140#endif
141
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142#ifdef PERL_GLOBAL_STRUCT
143# ifndef PERL_GET_VARS
144# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 145 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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146# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
147# ifndef PERLIO_FUNCS_CONST
148# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
149# endif
150# else
151# define PERL_GET_VARS() PL_VarsPtr
152# endif
153# endif
154#endif
155
5aaab254 156#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
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157
158#ifdef PERL_GLOBAL_STRUCT
159# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160#else
161# define dVAR dNOOP
162#endif
163
c5be433b 164#ifdef PERL_IMPLICIT_CONTEXT
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165# ifndef MULTIPLICITY
166# define MULTIPLICITY
c5be433b 167# endif
e8dda941 168# define tTHX PerlInterpreter*
5aaab254 169# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 170# define aTHX my_perl
9399a70c 171# define aTHXa(a) aTHX = (tTHX)a
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
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176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
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185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
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188# define pTHX_5 6
189# define pTHX_6 7
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190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
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193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
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198#endif
199
76e3520e 200#define STATIC static
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201
202#ifndef PERL_CORE
203/* Do not use these macros. They were part of PERL_OBJECT, which was an
204 * implementation of multiplicity using C++ objects. They have been left
205 * here solely for the sake of XS code which has incorrectly
206 * cargo-culted them.
207 */
76e3520e 208#define CPERLscope(x) x
565764a8 209#define CPERLarg void
76e3520e 210#define CPERLarg_
e3b8966e 211#define _CPERLarg
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212#define PERL_OBJECT_THIS
213#define _PERL_OBJECT_THIS
214#define PERL_OBJECT_THIS_
312caa8e 215#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 216#define MEMBER_TO_FPTR(name) name
16c91539 217#endif /* !PERL_CORE */
76e3520e 218
16c91539 219#define CALLRUNOPS PL_runops
f9f4320a 220
3ab4a224 221#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 222
16c91539 223#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 224#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 225 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a 226 (strbeg),(minend),(screamer),(data),(flags))
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227#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
228 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO
229 (strend),(flags),(data))
230#define CALLREG_INTUIT_STRING(prog) \
16c91539 231 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 232
f8149455
YO
233#define CALLREGFREE(prog) \
234 Perl_pregfree(aTHX_ (prog))
235
236#define CALLREGFREE_PVT(prog) \
16c91539 237 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 238
2fdbfb4d 239#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 241
2fdbfb4d 242#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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244
245#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 247
192b9cd1 248#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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250
251#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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253
254#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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256
257#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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259
260#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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262
263#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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265
266#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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268
269#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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271
272#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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274
275#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 277
49d7dfbc 278#define CALLREG_PACKAGE(rx) \
16c91539 279 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 280
00f254e2 281#if defined(USE_ITHREADS)
f9f4320a 282#define CALLREGDUPE(prog,param) \
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283 Perl_re_dup(aTHX_ (prog),(param))
284
285#define CALLREGDUPE_PVT(prog,param) \
16c91539 286 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 287 : (REGEXP *)NULL)
f9f4320a 288#endif
14dd3ad8 289
a20207d7 290
bcdf7404 291
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292
293
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294/*
295 * Because of backward compatibility reasons the PERL_UNUSED_DECL
296 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
297 *
298 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 299 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
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300 * marking unused variables (they need e.g. a #pragma) and therefore
301 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
302 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
303 *
304 */
1266ad8c 305
9969cdde 306#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 307# ifdef __cplusplus
5ba4cab2 308# define PERL_UNUSED_DECL
5b2bd0a5 309# else
5ba4cab2 310# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
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311# endif
312#endif
44dbb695 313
5b2bd0a5 314#ifndef PERL_UNUSED_DECL
34659ad4 315# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 316# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 317# else
5ba4cab2 318# define PERL_UNUSED_DECL
b79c357a 319# endif
5b2bd0a5 320#endif
00f254e2 321
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322/* gcc -Wall:
323 * for silencing unused variables that are actually used most of the time,
a0288114 324 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 325 */
53c1dcc0 326#ifndef PERL_UNUSED_ARG
c99ffe5e 327# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 328# include <note.h>
53c1dcc0 329# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 330# else
53c1dcc0 331# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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332# endif
333#endif
53c1dcc0
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334#ifndef PERL_UNUSED_VAR
335# define PERL_UNUSED_VAR(x) ((void)x)
336#endif
ad73156c 337
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338#ifdef USE_ITHREADS
339# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
340#else
341# define PERL_UNUSED_CONTEXT
342#endif
343
6f207bd3 344#define NOOP /*EMPTY*/(void)0
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345/* cea2e8a9dd23747f accidentally lost the comment originally from the first
346 check in of thread.h, explaining why we need dNOOP at all: */
347/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
348/* Declaring a *function*, instead of a variable, ensures that we don't rely
349 on being able to suppress "unused" warnings. */
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350#ifdef __cplusplus
351#define dNOOP (void)0
352#else
64a8239e 353#define dNOOP extern int Perl___notused(void)
7db66e12 354#endif
71be2cbc 355
0cb96387 356#ifndef pTHX
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357/* Don't bother defining tTHX and sTHX; using them outside
358 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
359 */
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360# define pTHX void
361# define pTHX_
0cb96387
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362# define aTHX
363# define aTHX_
9399a70c 364# define aTHXa(a) NOOP
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365# define dTHXa(a) dNOOP
366# define dTHX dNOOP
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367# define pTHX_1 1
368# define pTHX_2 2
369# define pTHX_3 3
370# define pTHX_4 4
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371# define pTHX_5 5
372# define pTHX_6 6
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373# define pTHX_7 7
374# define pTHX_8 8
375# define pTHX_9 9
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376#endif
377
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378#ifndef dVAR
379# define dVAR dNOOP
380#endif
381
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382/* these are only defined for compatibility; should not be used internally */
383#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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384# define pTHXo pTHX
385# define pTHXo_ pTHX_
0cb96387
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386# define aTHXo aTHX
387# define aTHXo_ aTHX_
c5be433b 388# define dTHXo dTHX
71d280e3 389# define dTHXoa(x) dTHXa(x)
0cb96387
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390#endif
391
392#ifndef pTHXx
5aaab254 393# define pTHXx PerlInterpreter *my_perl
0cb96387 394# define pTHXx_ pTHXx,
0cb96387
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395# define aTHXx my_perl
396# define aTHXx_ aTHXx,
c5be433b 397# define dTHXx dTHX
22c35a8c 398#endif
71be2cbc 399
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400/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
401 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
402 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
403#ifdef PERL_IMPLICIT_SYS
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404# ifdef PERL_GLOBAL_STRUCT_PRIVATE
405# define dTHXs dVAR; dTHX
406# else
407# define dTHXs dTHX
408# endif
1de7c2ac 409#else
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410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR
412# else
413# define dTHXs dNOOP
414# endif
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415#endif
416
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417/* Some platforms require marking function declarations
418 * for them to be exportable. Used in perlio.h, proto.h
419 * is handled either by the makedef.pl or by defining the
420 * PERL_CALLCONV to be something special. See also the
421 * definition of XS() in XSUB.h. */
422#ifndef PERL_EXPORT_C
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423# ifdef __cplusplus
424# define PERL_EXPORT_C extern "C"
425# else
426# define PERL_EXPORT_C extern
427# endif
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428#endif
429#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
430# ifdef __cplusplus
431# define PERL_XS_EXPORT_C extern "C"
432# else
433# define PERL_XS_EXPORT_C
434# endif
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435#endif
436
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437#ifdef OP_IN_REGISTER
438# ifdef __GNUC__
439# define stringify_immed(s) #s
440# define stringify(s) stringify_immed(s)
5aaab254 441struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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MB
442# endif
443#endif
444
e5afc1ae 445/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 446 * g++ allows them but seems to have problems with them
70aab261
RB
447 * (insane errors ensue).
448 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
449 */
450#if defined(PERL_GCC_PEDANTIC) || \
451 (defined(__GNUC__) && defined(__cplusplus) && \
452 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 453# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
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454# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
455# endif
5dc8bdac
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456#endif
457
5b692037
JH
458#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
459# ifndef PERL_USE_GCC_BRACE_GROUPS
460# define PERL_USE_GCC_BRACE_GROUPS
461# endif
462#endif
463
728e2803
PP
464/*
465 * STMT_START { statements; } STMT_END;
466 * can be used as a single statement, as in
467 * if (x) STMT_START { ... } STMT_END; else ...
468 *
469 * Trying to select a version that gives no warnings...
470 */
471#if !(defined(STMT_START) && defined(STMT_END))
5b692037 472# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 473# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
474# define STMT_END )
475# else
476 /* Now which other defined()s do we need here ??? */
93189314 477# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
478# define STMT_START if (1)
479# define STMT_END else (void)0
480# else
481# define STMT_START do
482# define STMT_END while (0)
483# endif
484# endif
485#endif
486
d6f9c181
JH
487#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
488# define BYTEORDER 0x1234
79072805
LW
489#endif
490
491/* Overall memory policy? */
492#ifndef CONSERVATIVE
493# define LIBERAL 1
494#endif
495
8ada0baa
JH
496#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
497#define ASCIIish
498#else
499#undef ASCIIish
500#endif
501
79072805
LW
502/*
503 * The following contortions are brought to you on behalf of all the
504 * standards, semi-standards, de facto standards, not-so-de-facto standards
505 * of the world, as well as all the other botches anyone ever thought of.
506 * The basic theory is that if we work hard enough here, the rest of the
507 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
508 */
ac58e20f 509
ee0007ab 510/* define this once if either system, instead of cluttering up the src */
7c458fae 511#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
512#define DOSISH 1
513#endif
514
739a0b84 515#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
516# define STANDARD_C 1
517#endif
518
8d87852b 519#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
520# define DONT_DECLARE_STD 1
521#endif
522
352d5a3a 523#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 524# define VOL volatile
663a0e37 525#else
79072805 526# define VOL
663a0e37
LW
527#endif
528
284167a5
SM
529/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
530 * you get a perl without taint support, but doubtlessly with a lesser
531 * degree of support. Do not do so unless you know exactly what it means
532 * technically, have a good reason to do so, and know exactly how the
533 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
534 * a potential security risk due to flat out ignoring the security-relevant
535 * taint flags. This being said, a perl without taint support compiled in
536 * has marginal run-time performance benefits.
537 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
538 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
539 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
540 *
541 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 542 * voids your nonexistent warranty!
284167a5
SM
543 */
544#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
545# define NO_TAINT_SUPPORT 1
546#endif
547
548/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
549 * operations into no-ops for a very modest speed-up. Enable only if you
550 * know what you're doing: tests and CPAN modules' tests are bound to fail.
551 */
552#if NO_TAINT_SUPPORT
553# define TAINT NOOP
554# define TAINT_NOT NOOP
555# define TAINT_IF(c) NOOP
556# define TAINT_ENV() NOOP
557# define TAINT_PROPER(s) NOOP
558# define TAINT_set(s) NOOP
559# define TAINT_get 0
560# define TAINTING_get 0
561# define TAINTING_set(s) NOOP
562# define TAINT_WARN_get 0
563# define TAINT_WARN_set(s) NOOP
564#else
565# define TAINT (PL_tainted = TRUE)
566# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
567# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
568# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
569# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
570# define TAINT_set(s) (PL_tainted = (s))
571# define TAINT_get (PL_tainted)
572# define TAINTING_get (PL_tainting)
573# define TAINTING_set(s) (PL_tainting = (s))
574# define TAINT_WARN_get (PL_taint_warn)
575# define TAINT_WARN_set(s) (PL_taint_warn = (s))
576#endif
a687059c 577
20be6587
DM
578/* flags used internally only within pp_subst and pp_substcont */
579#ifdef PERL_CORE
580# define SUBST_TAINT_STR 1 /* string tainted */
581# define SUBST_TAINT_PAT 2 /* pattern tainted */
582# define SUBST_TAINT_REPL 4 /* replacement tainted */
583# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
584# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
585#endif
586
d460ef45 587/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
588 defines move there? If so, I could simplify this a lot. --AD 9/96.
589*/
590/* Process group stuff changed from traditional BSD to POSIX.
591 perlfunc.pod documents the traditional BSD-style syntax, so we'll
592 try to preserve that, if possible.
593*/
594#ifdef HAS_SETPGID
595# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 596#else
a6e633de
PP
597# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
598# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
599# else
600# ifdef HAS_SETPGRP2 /* DG/UX */
601# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
602# endif
603# endif
604#endif
605#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
606# define HAS_SETPGRP /* Well, effectively it does . . . */
607#endif
608
609/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
610 our life easier :-) so we'll try it.
611*/
612#ifdef HAS_GETPGID
613# define BSD_GETPGRP(pid) getpgid((pid))
614#else
615# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
616# define BSD_GETPGRP(pid) getpgrp((pid))
617# else
618# ifdef HAS_GETPGRP2 /* DG/UX */
619# define BSD_GETPGRP(pid) getpgrp2((pid))
620# endif
621# endif
622#endif
623#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
624# define HAS_GETPGRP /* Well, effectively it does . . . */
625#endif
626
d460ef45 627/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
628 have different behaviors, but perl.h used to define USE_BSDPGRP
629 (prior to 5.003_05) so some extension might depend on it.
630*/
631#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
632# ifndef USE_BSDPGRP
633# define USE_BSDPGRP
634# endif
663a0e37
LW
635#endif
636
486ec47a 637/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
638 pthread.h must be included before all other header files.
639*/
3db8f154 640#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
641# include <pthread.h>
642#endif
643
760ac839
LW
644#ifndef _TYPES_ /* If types.h defines this it's easy. */
645# ifndef major /* Does everyone's types.h define this? */
646# include <sys/types.h>
c07a80fd 647# endif
663a0e37
LW
648#endif
649
760ac839
LW
650#ifdef __cplusplus
651# ifndef I_STDARG
652# define I_STDARG 1
653# endif
654#endif
655
656#ifdef I_STDARG
657# include <stdarg.h>
658#else
659# ifdef I_VARARGS
660# include <varargs.h>
661# endif
662#endif
663
4633a7c4 664#ifdef USE_NEXT_CTYPE
0c30d9ec 665
092bebab
JH
666#if NX_CURRENT_COMPILER_RELEASE >= 500
667# include <bsd/ctypes.h>
668#else
669# if NX_CURRENT_COMPILER_RELEASE >= 400
670# include <objc/NXCType.h>
671# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
672# include <appkit/NXCType.h>
673# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
674#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
675
676#else /* !USE_NEXT_CTYPE */
fe14fcc3 677#include <ctype.h>
0c30d9ec 678#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
679
680#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
681#undef METHOD
a0d0e21e
LW
682#endif
683
12ae5dfc
JH
684#ifdef PERL_MICRO
685# define NO_LOCALE
686#endif
687
4633a7c4 688#ifdef I_LOCALE
36477c24 689# include <locale.h>
4633a7c4
LW
690#endif
691
36477c24
PP
692#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
693# define USE_LOCALE
ccd65d51
KW
694# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
695 capability */
36477c24
PP
696# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
697 && defined(HAS_STRXFRM)
698# define USE_LOCALE_COLLATE
699# endif
700# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
701# define USE_LOCALE_CTYPE
702# endif
703# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
704# define USE_LOCALE_NUMERIC
705# endif
fa9b773e
KW
706# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
707# define USE_LOCALE_MESSAGES
708# endif
709# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
710# define USE_LOCALE_MONETARY
711# endif
36477c24 712#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 713
fe14fcc3 714#include <setjmp.h>
79072805 715
a0d0e21e 716#ifdef I_SYS_PARAM
79072805
LW
717# ifdef PARAM_NEEDS_TYPES
718# include <sys/types.h>
719# endif
720# include <sys/param.h>
352d5a3a 721#endif
79072805 722
79072805 723/* Use all the "standard" definitions? */
a0d0e21e 724#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 725# include <stdlib.h>
ff68c719 726#endif
03a14243 727
3f270f98
JH
728/* If this causes problems, set i_unistd=undef in the hint file. */
729#ifdef I_UNISTD
730# include <unistd.h>
731#endif
732
de8ca8af
NT
733/* for WCOREDUMP */
734#ifdef I_SYS_WAIT
735# include <sys/wait.h>
736#endif
737
9969cdde 738#ifdef __SYMBIAN32__
27da23d5
JH
739# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
740#endif
741
7114a2d2 742#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 743EXTERN_C int syscall(int, ...);
2ef53570
JH
744#endif
745
7114a2d2 746#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 747EXTERN_C int usleep(unsigned int);
2ef53570
JH
748#endif
749
1109a392
MHM
750#ifdef PERL_CORE
751
752/* macros for correct constant construction */
753# if INTSIZE >= 2
754# define U16_CONST(x) ((U16)x##U)
755# else
756# define U16_CONST(x) ((U16)x##UL)
757# endif
758
759# if INTSIZE >= 4
760# define U32_CONST(x) ((U32)x##U)
761# else
762# define U32_CONST(x) ((U32)x##UL)
763# endif
764
765# ifdef HAS_QUAD
766# if INTSIZE >= 8
767# define U64_CONST(x) ((U64)x##U)
768# elif LONGSIZE >= 8
769# define U64_CONST(x) ((U64)x##UL)
770# elif QUADKIND == QUAD_IS_LONG_LONG
771# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
772# elif QUADKIND == QUAD_IS___INT64
773# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
774# else /* best guess we can make */
775# define U64_CONST(x) ((U64)x##UL)
776# endif
777# endif
778
779/* byte-swapping functions for big-/little-endian conversion */
780# define _swab_16_(x) ((U16)( \
781 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
782 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
783
784# define _swab_32_(x) ((U32)( \
785 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
786 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
787 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
788 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
789
790# ifdef HAS_QUAD
791# define _swab_64_(x) ((U64)( \
792 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
793 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
794 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
795 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
796 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
797 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
798 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
799 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
800# endif
801
9c17f24a
NC
802/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
803 at least on FreeBSD. YMMV, so experiment. */
804#ifndef PERL_ARENA_SIZE
805#define PERL_ARENA_SIZE 4080
806#endif
807
ccb2c8b8 808/* Maximum level of recursion */
2b9dff67
RGS
809#ifndef PERL_SUB_DEPTH_WARN
810#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
811#endif
812
1109a392
MHM
813#endif /* PERL_CORE */
814
bdf3085f
NC
815/* We no longer default to creating a new SV for GvSV.
816 Do this before embed. */
817#ifndef PERL_CREATE_GVSV
7459f06b
NC
818# ifndef PERL_DONT_CREATE_GVSV
819# define PERL_DONT_CREATE_GVSV
820# endif
bdf3085f
NC
821#endif
822
ca0c25f6
NC
823#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
824#define PERL_USES_PL_PIDSTATUS
825#endif
826
739a0b84 827#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
828#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
829#endif
830
c31fac66
GS
831#define MEM_SIZE Size_t
832
1936d2a7
NC
833/* Round all values passed to malloc up, by default to a multiple of
834 sizeof(size_t)
835*/
836#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
837#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
838#endif
839
f1200559
WH
840/* sv_grow() will expand strings by at least a certain percentage of
841 the previously *used* length to avoid excessive calls to realloc().
842 The default is 25% of the current length.
843*/
844#ifndef PERL_STRLEN_EXPAND_SHIFT
845# define PERL_STRLEN_EXPAND_SHIFT 2
846#endif
847
51371543
GS
848#if defined(STANDARD_C) && defined(I_STDDEF)
849# include <stddef.h>
850# define STRUCT_OFFSET(s,m) offsetof(s,m)
851#else
852# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
853#endif
854
9969cdde 855#ifndef __SYMBIAN32__
27da23d5
JH
856# if defined(I_STRING) || defined(__cplusplus)
857# include <string.h>
858# else
859# include <strings.h>
860# endif
51371543
GS
861#endif
862
55497cff
PP
863/* This comes after <stdlib.h> so we don't try to change the standard
864 * library prototypes; we'll use our own in proto.h instead. */
03a14243 865
4633a7c4 866#ifdef MYMALLOC
86058a2d 867# ifdef PERL_POLLUTE_MALLOC
ee13e175 868# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
869# define Perl_malloc malloc
870# define Perl_calloc calloc
871# define Perl_realloc realloc
872# define Perl_mfree free
ee13e175 873# endif
86058a2d
GS
874# else
875# define EMBEDMYMALLOC /* for compatibility */
876# endif
827e134a 877
651b9576
GS
878# define safemalloc Perl_malloc
879# define safecalloc Perl_calloc
880# define saferealloc Perl_realloc
881# define safefree Perl_mfree
22f7c9c9
JH
882# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
883 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
884 code; \
885 } STMT_END
886# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
887 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
888# define panic_write2(s) write(2, s, strlen(s))
889# define CHECK_MALLOC_TAINT(newval) \
890 CHECK_MALLOC_TOO_LATE_FOR_( \
891 if (newval) { \
892 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
893 exit(1); })
22f7c9c9 894# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 895 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
896 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
897 }} STMT_END;
f2517201
GS
898#else /* MYMALLOC */
899# define safemalloc safesysmalloc
900# define safecalloc safesyscalloc
901# define saferealloc safesysrealloc
902# define safefree safesysfree
22f7c9c9
JH
903# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
904# define CHECK_MALLOC_TAINT(newval) ((void)0)
905# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 906#endif /* MYMALLOC */
4633a7c4 907
fe13d51d 908/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 909#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
910#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
911#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
912#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
913
a0d0e21e
LW
914#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
915#define strchr index
916#define strrchr rindex
917#endif
918
16d20bd9
AD
919#ifdef I_MEMORY
920# include <memory.h>
921#endif
922
fe14fcc3 923#ifdef HAS_MEMCPY
85e6fe83 924# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 925# ifndef memcpy
20ce7b12 926 extern char * memcpy (char*, char*, int);
ee0007ab
LW
927# endif
928# endif
929#else
930# ifndef memcpy
931# ifdef HAS_BCOPY
932# define memcpy(d,s,l) bcopy(s,d,l)
933# else
934# define memcpy(d,s,l) my_bcopy(s,d,l)
935# endif
936# endif
937#endif /* HAS_MEMCPY */
fe14fcc3 938
ee0007ab 939#ifdef HAS_MEMSET
85e6fe83 940# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 941# ifndef memset
20ce7b12 942 extern char *memset (char*, int, int);
ee0007ab
LW
943# endif
944# endif
ee0007ab 945#else
12ae5dfc 946# undef memset
fc36a67e 947# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
948#endif /* HAS_MEMSET */
949
85e6fe83 950#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 951# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
952# define memmove(d,s,l) bcopy(s,d,l)
953# else
2304df62 954# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 955# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 956# else
79072805 957# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 958# endif
352d5a3a 959# endif
d9d8d8de 960#endif
ee0007ab 961
36477c24
PP
962#if defined(mips) && defined(ultrix) && !defined(__STDC__)
963# undef HAS_MEMCMP
964#endif
965
966#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 967# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 968# ifndef memcmp
20ce7b12 969 extern int memcmp (char*, char*, int);
ee0007ab
LW
970# endif
971# endif
36477c24 972# ifdef BUGGY_MSC
7e4e8c89 973# pragma function(memcmp)
36477c24 974# endif
ee0007ab
LW
975#else
976# ifndef memcmp
ecfc5424 977# define memcmp my_memcmp
352d5a3a 978# endif
36477c24 979#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 980
fc36a67e 981#ifndef memzero
c635e13b
PP
982# ifdef HAS_MEMSET
983# define memzero(d,l) memset(d,0,l)
79072805 984# else
c635e13b
PP
985# ifdef HAS_BZERO
986# define memzero(d,l) bzero(d,l)
79072805 987# else
fc36a67e 988# define memzero(d,l) my_bzero(d,l)
79072805
LW
989# endif
990# endif
d9d8d8de 991#endif
378cc40b 992
2f42fcb0 993#ifndef PERL_MICRO
0f27ced1
JH
994#ifndef memchr
995# ifndef HAS_MEMCHR
996# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
997# endif
998#endif
2f42fcb0 999#endif
0f27ced1 1000
36477c24
PP
1001#ifndef HAS_BCMP
1002# ifndef bcmp
1003# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1004# endif
36477c24 1005#endif /* !HAS_BCMP */
378cc40b 1006
ae986130 1007#ifdef I_NETINET_IN
79072805 1008# include <netinet/in.h>
ae986130
LW
1009#endif
1010
28e8609d
JH
1011#ifdef I_ARPA_INET
1012# include <arpa/inet.h>
1013#endif
1014
84902520
TB
1015#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1016/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1017 * (the neo-BSD seem to do this). */
1018# undef SF_APPEND
1019#endif
1020
1aef975c 1021#ifdef I_SYS_STAT
84902520 1022# include <sys/stat.h>
1aef975c 1023#endif
79072805 1024
287a962e
JD
1025/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1026 This definition should ideally go into win32/win32.h, but S_IFIFO is
1027 used later here in perl.h before win32/win32.h is being included. */
1028#if !defined(S_IFIFO) && defined(_S_IFIFO)
1029# define S_IFIFO _S_IFIFO
1030#endif
1031
cc3315ba 1032/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1033 like UTekV) are broken, sometimes giving false positives. Undefine
1034 them here and let the code below set them to proper values.
1035
1036 The ghs macro stands for GreenHills Software C-1.8.5 which
1037 is the C compiler for sysV88 and the various derivatives.
1038 This header file bug is corrected in gcc-2.5.8 and later versions.
1039 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1040
cc3315ba 1041#if defined(m88k) && defined(ghs)
79072805
LW
1042# undef S_ISDIR
1043# undef S_ISCHR
1044# undef S_ISBLK
1045# undef S_ISREG
1046# undef S_ISFIFO
1047# undef S_ISLNK
ee0007ab 1048#endif
135863df 1049
663a0e37
LW
1050#ifdef I_TIME
1051# include <time.h>
ffed7fef 1052#endif
663a0e37 1053
fe14fcc3 1054#ifdef I_SYS_TIME
85e6fe83 1055# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1056# define KERNEL
1057# endif
1058# include <sys/time.h>
85e6fe83 1059# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1060# undef KERNEL
1061# endif
a687059c 1062#endif
135863df 1063
55497cff 1064#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1065# include <sys/times.h>
d9d8d8de 1066#endif
8d063cd8 1067
fe14fcc3 1068#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1069# undef HAS_STRERROR
663a0e37
LW
1070#endif
1071
1072#include <errno.h>
1e743fda 1073
acfe0abc 1074#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1075# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1076#endif
1077
8cfab5ff 1078/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1079 * This is important for using IPv6.
8cfab5ff
JH
1080 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1081 * a bad idea since it breaks send() and recv(). */
1082#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1083# define _SOCKADDR_LEN
1084#endif
1085
da70cfc6 1086#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1087# include <sys/socket.h>
1088# if defined(USE_SOCKS) && defined(I_SOCKS)
1089# if !defined(INCLUDE_PROTOTYPES)
1090# define INCLUDE_PROTOTYPES /* for <socks.h> */
1091# define PERL_SOCKS_NEED_PROTOTYPES
1092# endif
1093# include <socks.h>
1094# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1095# undef INCLUDE_PROTOTYPES
1096# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1097# endif
d460ef45 1098# endif
1e743fda 1099# ifdef I_NETDB
2986a63f
JH
1100# ifdef NETWARE
1101# include<stdio.h>
1102# endif
1e743fda
JH
1103# include <netdb.h>
1104# endif
1105# ifndef ENOTSOCK
1106# ifdef I_NET_ERRNO
1107# include <net/errno.h>
1108# endif
1109# endif
1110#endif
1111
fa0a29af 1112/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1113 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1114 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1115#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1116# if defined(__THROW) && defined(__GLIBC__)
1117int sockatmark(int) __THROW;
1118# else
2ef53570 1119int sockatmark(int);
29820b6d 1120# endif
2ef53570
JH
1121#endif
1122
7e827271 1123#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
1124EXTERN_C int fchdir(int);
1125EXTERN_C int flock(int, int);
1126EXTERN_C int fseeko(FILE *, off_t, int);
1127EXTERN_C off_t ftello(FILE *);
1128#endif
1129
7e827271 1130#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1131EXTERN_C char *crypt(const char *, const char *);
7e827271 1132EXTERN_C char **environ;
1ccb7c8d
JH
1133#endif
1134
83a6ff2e 1135#if defined(__cplusplus)
944c4fda 1136# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1137EXTERN_C char **environ;
83a6ff2e 1138# elif defined(__CYGWIN__)
667e2948
SP
1139EXTERN_C char *crypt(const char *, const char *);
1140#endif
83a6ff2e 1141#endif
667e2948 1142
1e743fda
JH
1143#ifdef SETERRNO
1144# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1145#endif
f86702cc
PP
1146
1147#ifdef VMS
1148# define SETERRNO(errcode,vmserrcode) \
1149 STMT_START { \
1150 set_errno(errcode); \
1151 set_vaxc_errno(vmserrcode); \
1152 } STMT_END
4ee39169
CS
1153# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1154# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1155# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1156# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1157
93189314
JH
1158# define LIB_INVARG LIB$_INVARG
1159# define RMS_DIR RMS$_DIR
1160# define RMS_FAC RMS$_FAC
1161# define RMS_FEX RMS$_FEX
1162# define RMS_FNF RMS$_FNF
1163# define RMS_IFI RMS$_IFI
1164# define RMS_ISI RMS$_ISI
1165# define RMS_PRV RMS$_PRV
1166# define SS_ACCVIO SS$_ACCVIO
1167# define SS_DEVOFFLINE SS$_DEVOFFLINE
1168# define SS_IVCHAN SS$_IVCHAN
1169# define SS_NORMAL SS$_NORMAL
748a9306 1170#else
aba27d88 1171# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1172# define dSAVEDERRNO int saved_errno
1173# define dSAVE_ERRNO int saved_errno = errno
1174# define SAVE_ERRNO (saved_errno = errno)
1175# define RESTORE_ERRNO (errno = saved_errno)
1176
93189314
JH
1177# define LIB_INVARG 0
1178# define RMS_DIR 0
1179# define RMS_FAC 0
1180# define RMS_FEX 0
1181# define RMS_FNF 0
1182# define RMS_IFI 0
1183# define RMS_ISI 0
1184# define RMS_PRV 0
1185# define SS_ACCVIO 0
1186# define SS_DEVOFFLINE 0
1187# define SS_IVCHAN 0
1188# define SS_NORMAL 0
748a9306 1189#endif
ed6116ce 1190
f5fa9033 1191#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1192
1193#define CLEAR_ERRSV() STMT_START { \
1194 if (!GvSV(PL_errgv)) { \
1195 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1196 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1197 SvREFCNT_dec(GvSV(PL_errgv)); \
1198 GvSV(PL_errgv) = newSVpvs(""); \
1199 } else { \
1200 SV *const errsv = GvSV(PL_errgv); \
1201 sv_setpvs(errsv, ""); \
1202 if (SvMAGICAL(errsv)) { \
1203 mg_free(errsv); \
1204 } \
1205 SvPOK_only(errsv); \
1206 } \
1207 } STMT_END
1208
1209
414bf5ae
MHM
1210#ifdef PERL_CORE
1211# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1212# define DEFSV_set(sv) \
1213 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1214# define SAVE_DEFSV \
1215 ( \
1216 save_gp(PL_defgv, 0), \
1217 GvINTRO_off(PL_defgv), \
1218 SAVEGENERICSV(GvSV(PL_defgv)), \
1219 GvSV(PL_defgv) = NULL \
1220 )
414bf5ae
MHM
1221#else
1222# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1223# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1224# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1225#endif
38a03e6e 1226
98eae8f5
GS
1227#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1228
55497cff 1229#ifndef errno
5ff3f7a4
GS
1230 extern int errno; /* ANSI allows errno to be an lvalue expr.
1231 * For example in multithreaded environments
1232 * something like this might happen:
1233 * extern int *_errno(void);
1234 * #define errno (*_errno()) */
d9d8d8de 1235#endif
663a0e37 1236
2304df62 1237#ifdef HAS_STRERROR
b3e384bf 1238# ifndef DONT_DECLARE_STD
a0d0e21e 1239# ifdef VMS
20ce7b12 1240 char *strerror (int,...);
a0d0e21e 1241# else
20ce7b12 1242 char *strerror (int);
a0d0e21e 1243# endif
b3e384bf
KW
1244# endif
1245# ifndef Strerror
1246# define Strerror strerror
1247# endif
2304df62
AD
1248#else
1249# ifdef HAS_SYS_ERRLIST
79072805
LW
1250 extern int sys_nerr;
1251 extern char *sys_errlist[];
2304df62
AD
1252# ifndef Strerror
1253# define Strerror(e) \
79072805 1254 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1255# endif
79072805 1256# endif
35c8bce7 1257#endif
663a0e37 1258
2304df62 1259#ifdef I_SYS_IOCTL
79072805
LW
1260# ifndef _IOCTL_
1261# include <sys/ioctl.h>
1262# endif
a687059c
LW
1263#endif
1264
ee0007ab 1265#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1266# ifdef HAS_SOCKETPAIR
1267# undef HAS_SOCKETPAIR
1268# endif
2304df62
AD
1269# ifdef I_NDBM
1270# undef I_NDBM
79072805 1271# endif
a687059c
LW
1272#endif
1273
02fc2eee
NC
1274#ifndef HAS_SOCKETPAIR
1275# ifdef HAS_SOCKET
1276# define socketpair Perl_my_socketpair
1277# endif
1278#endif
1279
a687059c 1280#if INTSIZE == 2
79072805
LW
1281# define htoni htons
1282# define ntohi ntohs
a687059c 1283#else
79072805
LW
1284# define htoni htonl
1285# define ntohi ntohl
a687059c
LW
1286#endif
1287
a0d0e21e 1288/* Configure already sets Direntry_t */
35c8bce7 1289#if defined(I_DIRENT)
663a0e37 1290# include <dirent.h>
8f1f23e8
W
1291 /* NeXT needs dirent + sys/dir.h */
1292# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1293# include <sys/dir.h>
1294# endif
ae986130 1295#else
fe14fcc3 1296# ifdef I_SYS_NDIR
79a0689e 1297# include <sys/ndir.h>
663a0e37 1298# else
fe14fcc3 1299# ifdef I_SYS_DIR
79a0689e
LW
1300# ifdef hp9000s500
1301# include <ndir.h> /* may be wrong in the future */
1302# else
1303# include <sys/dir.h>
1304# endif
663a0e37
LW
1305# endif
1306# endif
4633a7c4 1307#endif
a687059c 1308
12ae5dfc
JH
1309#ifdef PERL_MICRO
1310# ifndef DIR
1311# define DIR void
1312# endif
1313#endif
1314
352d5a3a
LW
1315#ifdef FPUTS_BOTCH
1316/* work around botch in SunOS 4.0.1 and 4.0.2 */
1317# ifndef fputs
79072805 1318# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1319# endif
1320#endif
1321
c623bd54
LW
1322/*
1323 * The following gobbledygook brought to you on behalf of __STDC__.
1324 * (I could just use #ifndef __STDC__, but this is more bulletproof
1325 * in the face of half-implementations.)
1326 */
1327
7114a2d2 1328#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1329#include <sys/mode.h>
1330#endif
1331
c623bd54
LW
1332#ifndef S_IFMT
1333# ifdef _S_IFMT
1334# define S_IFMT _S_IFMT
1335# else
1336# define S_IFMT 0170000
1337# endif
1338#endif
1339
1340#ifndef S_ISDIR
1341# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1342#endif
1343
1344#ifndef S_ISCHR
1345# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1346#endif
1347
1348#ifndef S_ISBLK
fe14fcc3
LW
1349# ifdef S_IFBLK
1350# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1351# else
1352# define S_ISBLK(m) (0)
1353# endif
c623bd54
LW
1354#endif
1355
1356#ifndef S_ISREG
1357# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1358#endif
1359
1360#ifndef S_ISFIFO
fe14fcc3
LW
1361# ifdef S_IFIFO
1362# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1363# else
1364# define S_ISFIFO(m) (0)
1365# endif
c623bd54
LW
1366#endif
1367
1368#ifndef S_ISLNK
1369# ifdef _S_ISLNK
1370# define S_ISLNK(m) _S_ISLNK(m)
1371# else
1372# ifdef _S_IFLNK
1373# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1374# else
1375# ifdef S_IFLNK
1376# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1377# else
1378# define S_ISLNK(m) (0)
1379# endif
1380# endif
1381# endif
1382#endif
1383
1384#ifndef S_ISSOCK
1385# ifdef _S_ISSOCK
1386# define S_ISSOCK(m) _S_ISSOCK(m)
1387# else
1388# ifdef _S_IFSOCK
1389# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1390# else
1391# ifdef S_IFSOCK
1392# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1393# else
1394# define S_ISSOCK(m) (0)
1395# endif
1396# endif
1397# endif
1398#endif
1399
1400#ifndef S_IRUSR
1401# ifdef S_IREAD
1402# define S_IRUSR S_IREAD
1403# define S_IWUSR S_IWRITE
1404# define S_IXUSR S_IEXEC
1405# else
1406# define S_IRUSR 0400
1407# define S_IWUSR 0200
1408# define S_IXUSR 0100
1409# endif
fac7cdfc 1410#endif
1411
1412#ifndef S_IRGRP
1413# ifdef S_IRUSR
1414# define S_IRGRP (S_IRUSR>>3)
1415# define S_IWGRP (S_IWUSR>>3)
1416# define S_IXGRP (S_IXUSR>>3)
1417# else
1418# define S_IRGRP 0040
1419# define S_IWGRP 0020
1420# define S_IXGRP 0010
1421# endif
1422#endif
1423
1424#ifndef S_IROTH
1425# ifdef S_IRUSR
1426# define S_IROTH (S_IRUSR>>6)
1427# define S_IWOTH (S_IWUSR>>6)
1428# define S_IXOTH (S_IXUSR>>6)
1429# else
1430# define S_IROTH 0040
1431# define S_IWOTH 0020
1432# define S_IXOTH 0010
1433# endif
c623bd54
LW
1434#endif
1435
1436#ifndef S_ISUID
1437# define S_ISUID 04000
1438#endif
1439
1440#ifndef S_ISGID
1441# define S_ISGID 02000
1442#endif
1443
ca6e1c26
JH
1444#ifndef S_IRWXU
1445# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1446#endif
ca6e1c26
JH
1447
1448#ifndef S_IRWXG
1449# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1450#endif
ca6e1c26
JH
1451
1452#ifndef S_IRWXO
1453# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1454#endif
ca6e1c26 1455
b6c36746 1456/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1457 * which would get included through <sys/file.h >, but that is 3000
1458 * lines in the future. --jhi */
1459
b6c36746 1460#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1461# define S_IREAD S_IRUSR
1462#endif
1463
b6c36746 1464#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1465# define S_IWRITE S_IWUSR
1466#endif
1467
1468#ifndef S_IEXEC
1469# define S_IEXEC S_IXUSR
1470#endif
1471
79072805
LW
1472#ifdef ff_next
1473# undef ff_next
352d5a3a
LW
1474#endif
1475
a0d0e21e 1476#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1477# define SLOPPYDIVIDE
1478#endif
1479
748a9306
LW
1480#ifdef UV
1481#undef UV
1482#endif
1483
ce582cee
NC
1484/* For the times when you want the return value of sprintf, and you want it
1485 to be the length. Can't have a thread variable passed in, because C89 has
1486 no varargs macros.
1487*/
1488#ifdef SPRINTF_RETURNS_STRLEN
1489# define my_sprintf sprintf
1490#else
1491# define my_sprintf Perl_my_sprintf
1492#endif
1493
5b692037
JH
1494/*
1495 * If we have v?snprintf() and the C99 variadic macros, we can just
1496 * use just the v?snprintf(). It is nice to try to trap the buffer
1497 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1498 * gcc statement expressions, then use the function wrappers which try
1499 * to trap the overflow. If we can use the gcc statement expressions,
1500 * we can try that even with the version that uses the C99 variadic
1501 * macros.
5b692037
JH
1502 */
1503
1208b3dd
JH
1504/* Note that we do not check against snprintf()/vsnprintf() returning
1505 * negative values because that is non-standard behaviour and we use
1506 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1507 * that should be true only if the snprintf()/vsnprintf() are true
1508 * to the standard. */
1509
dfeee9b1 1510#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1511# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1512# 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 1513# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1514# else
1515# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1516# endif
1517#else
1518# define my_snprintf Perl_my_snprintf
1208b3dd 1519# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1520#endif
1521
dfeee9b1 1522#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1523# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1524# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1525# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1526# else
1527# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1528# endif
1529#else
1530# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1531# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1532#endif
d9fad198 1533
a6cc4119
SP
1534#ifdef HAS_STRLCAT
1535# define my_strlcat strlcat
1536#else
1537# define my_strlcat Perl_my_strlcat
1538#endif
1539
1540#ifdef HAS_STRLCPY
1541# define my_strlcpy strlcpy
1542#else
1543# define my_strlcpy Perl_my_strlcpy
1544#endif
1545
05f13f53 1546/*
27d4fb96
PP
1547 The IV type is supposed to be long enough to hold any integral
1548 value or a pointer.
1549 --Andy Dougherty August 1996
1550*/
1551
a22e52b9
JH
1552typedef IVTYPE IV;
1553typedef UVTYPE UV;
8175356b 1554
10cc9d2a 1555#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1556# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1557# define IV_MAX INT64_MAX
1558# define IV_MIN INT64_MIN
1559# define UV_MAX UINT64_MAX
cae7ae48
JH
1560# ifndef UINT64_MIN
1561# define UINT64_MIN 0
1562# endif
5ff3f7a4
GS
1563# define UV_MIN UINT64_MIN
1564# else
1565# define IV_MAX PERL_QUAD_MAX
1566# define IV_MIN PERL_QUAD_MIN
1567# define UV_MAX PERL_UQUAD_MAX
1568# define UV_MIN PERL_UQUAD_MIN
1569# endif
cf2093f6
JH
1570# define IV_IS_QUAD
1571# define UV_IS_QUAD
79072805 1572#else
8175356b 1573# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1574# define IV_MAX INT32_MAX
1575# define IV_MIN INT32_MIN
716026f9
DL
1576# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1577# define UV_MAX UINT32_MAX
1578# else
1579# define UV_MAX 4294967295U
1580# endif
cae7ae48
JH
1581# ifndef UINT32_MIN
1582# define UINT32_MIN 0
1583# endif
5ff3f7a4
GS
1584# define UV_MIN UINT32_MIN
1585# else
1586# define IV_MAX PERL_LONG_MAX
1587# define IV_MIN PERL_LONG_MIN
1588# define UV_MAX PERL_ULONG_MAX
1589# define UV_MIN PERL_ULONG_MIN
1590# endif
8175356b 1591# if IVSIZE == 8
cf2093f6
JH
1592# define IV_IS_QUAD
1593# define UV_IS_QUAD
de1c2614
JH
1594# ifndef HAS_QUAD
1595# define HAS_QUAD
1596# endif
cf2093f6
JH
1597# else
1598# undef IV_IS_QUAD
1599# undef UV_IS_QUAD
de1c2614 1600# undef HAS_QUAD
cf2093f6 1601# endif
79072805 1602#endif
d7d93a81 1603
1109a392
MHM
1604#ifndef HAS_QUAD
1605# undef PERL_NEED_MY_HTOLE64
1606# undef PERL_NEED_MY_LETOH64
1607# undef PERL_NEED_MY_HTOBE64
1608# undef PERL_NEED_MY_BETOH64
1609#endif
1610
cae7ae48 1611#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1612#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1613
28e5dec8 1614#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1615#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1616#endif
1617
d460ef45 1618/*
26bb67e2
JH
1619 * The macros INT2PTR and NUM2PTR are (despite their names)
1620 * bi-directional: they will convert int/float to or from pointers.
1621 * However the conversion to int/float are named explicitly:
1622 * PTR2IV, PTR2UV, PTR2NV.
1623 *
1624 * For int conversions we do not need two casts if pointers are
1625 * the same size as IV and UV. Otherwise we need an explicit
1626 * cast (PTRV) to avoid compiler warnings.
1627 */
56431972
RB
1628#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1629# define PTRV UV
1630# define INT2PTR(any,d) (any)(d)
1631#else
d460ef45 1632# if PTRSIZE == LONGSIZE
56431972 1633# define PTRV unsigned long
e91e3b10 1634# define PTR2ul(p) (unsigned long)(p)
42718184 1635# else
56431972 1636# define PTRV unsigned
42718184 1637# endif
e91e3b10
RB
1638#endif
1639
1640#ifndef INT2PTR
56431972 1641# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1642#endif
e91e3b10
RB
1643
1644#ifndef PTR2ul
1645# define PTR2ul(p) INT2PTR(unsigned long,p)
1646#endif
1647
56431972
RB
1648#define NUM2PTR(any,d) (any)(PTRV)(d)
1649#define PTR2IV(p) INT2PTR(IV,p)
1650#define PTR2UV(p) INT2PTR(UV,p)
1651#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1652#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1653
8141890a
JH
1654/* According to strict ANSI C89 one cannot freely cast between
1655 * data pointers and function (code) pointers. There are at least
1656 * two ways around this. One (used below) is to do two casts,
1657 * first the other pointer to an (unsigned) integer, and then
1658 * the integer to the other pointer. The other way would be
1659 * to use unions to "overlay" the pointers. For an example of
1660 * the latter technique, see union dirpu in struct xpvio in sv.h.
1661 * The only feasible use is probably temporarily storing
1662 * function pointers in a data pointer (such as a void pointer). */
1663
e91e3b10
RB
1664#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1665#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1666
65202027 1667#ifdef USE_LONG_DOUBLE
1048ea30
JH
1668# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1669# define LONG_DOUBLE_EQUALS_DOUBLE
1670# endif
68d4903c 1671# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1672# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1673# endif
1674#endif
1675
2d4389e4
JH
1676#ifdef OVR_DBL_DIG
1677/* Use an overridden DBL_DIG */
1678# ifdef DBL_DIG
1679# undef DBL_DIG
1680# endif
1681# define DBL_DIG OVR_DBL_DIG
1682#else
1683/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1684 default value for printing floating point numbers in Gconvert
1685 (see config.h). (It also has other uses, such as figuring out if
1686 a given precision of printing can be done with a double instead of
1687 a long double - Allen).
2d4389e4
JH
1688*/
1689#ifdef I_LIMITS
1690#include <limits.h>
1691#endif
1692#ifdef I_FLOAT
1693#include <float.h>
1694#endif
1695#ifndef HAS_DBL_DIG
1696#define DBL_DIG 15 /* A guess that works lots of places */
1697#endif
1698#endif
1699
1700#ifdef OVR_LDBL_DIG
1701/* Use an overridden LDBL_DIG */
1702# ifdef LDBL_DIG
1703# undef LDBL_DIG
1704# endif
1705# define LDBL_DIG OVR_LDBL_DIG
1706#else
1707/* The following is all to get LDBL_DIG, in order to pick a nice
1708 default value for printing floating point numbers in Gconvert.
1709 (see config.h)
1710*/
68d4903c
JH
1711# ifdef I_LIMITS
1712# include <limits.h>
1713# endif
1714# ifdef I_FLOAT
1715# include <float.h>
1716# endif
1717# ifndef HAS_LDBL_DIG
1718# if LONG_DOUBLESIZE == 10
1719# define LDBL_DIG 18 /* assume IEEE */
1720# else
1721# if LONG_DOUBLESIZE == 12
1722# define LDBL_DIG 18 /* gcc? */
1723# else
1724# if LONG_DOUBLESIZE == 16
1725# define LDBL_DIG 33 /* assume IEEE */
1726# else
1727# if LONG_DOUBLESIZE == DOUBLESIZE
1728# define LDBL_DIG DBL_DIG /* bummer */
1729# endif
1730# endif
1731# endif
1732# endif
1733# endif
2d4389e4
JH
1734#endif
1735
20f6aaab
AS
1736/*
1737 * This is for making sure we have a good DBL_MAX value, if possible,
1738 * either for usage as NV_MAX or for usage in figuring out if we can
1739 * fit a given long double into a double, if bug-fixing makes it
1740 * necessary to do so. - Allen <allens@cpan.org>
1741 */
1742
205f51d8
AS
1743#ifdef I_LIMITS
1744# include <limits.h>
20f6aaab
AS
1745#endif
1746
205f51d8
AS
1747#ifdef I_VALUES
1748# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1749# include <values.h>
1750# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1751# define DBL_MAX MAXDOUBLE
1752# endif
1753# if defined(MINDOUBLE) && !defined(DBL_MIN)
1754# define DBL_MIN MINDOUBLE
1755# endif
1756# endif
1757#endif /* defined(I_VALUES) */
1758
a22e52b9 1759typedef NVTYPE NV;
8175356b 1760
792d8dab
JH
1761#ifdef I_IEEEFP
1762# include <ieeefp.h>
1763#endif
923fc586 1764
65202027 1765#ifdef USE_LONG_DOUBLE
923fc586
JH
1766# ifdef I_SUNMATH
1767# include <sunmath.h>
1768# endif
2d4389e4 1769# define NV_DIG LDBL_DIG
d6c14000
JH
1770# ifdef LDBL_MANT_DIG
1771# define NV_MANT_DIG LDBL_MANT_DIG
1772# endif
06fc1729
JH
1773# ifdef LDBL_MIN
1774# define NV_MIN LDBL_MIN
1775# endif
1776# ifdef LDBL_MAX
1777# define NV_MAX LDBL_MAX
1778# endif
1779# ifdef LDBL_MIN_10_EXP
1780# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1781# endif
1782# ifdef LDBL_MAX_10_EXP
1783# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1784# endif
1785# ifdef LDBL_EPSILON
1786# define NV_EPSILON LDBL_EPSILON
1787# endif
f4a14a62
JH
1788# ifdef LDBL_MAX
1789# define NV_MAX LDBL_MAX
20f6aaab 1790/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1791# else
1792# ifdef HUGE_VALL
1793# define NV_MAX HUGE_VALL
1794# else
1795# ifdef HUGE_VAL
1796# define NV_MAX ((NV)HUGE_VAL)
1797# endif
1798# endif
1799# endif
68d4903c 1800# ifdef HAS_SQRTL
68d4903c
JH
1801# define Perl_cos cosl
1802# define Perl_sin sinl
1803# define Perl_sqrt sqrtl
1804# define Perl_exp expl
1805# define Perl_log logl
1806# define Perl_atan2 atan2l
1807# define Perl_pow powl
1808# define Perl_floor floorl
1bbae031 1809# define Perl_ceil ceill
68d4903c
JH
1810# define Perl_fmod fmodl
1811# endif
a3540c92
JH
1812/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1813# ifdef HAS_MODFL
1814# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1815/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1816 prototype in <math.h> */
1817# ifndef HAS_MODFL_PROTO
a221a8a5 1818EXTERN_C long double modfl(long double, long double *);
51997bc3 1819# endif
03476e8e
JH
1820# else
1821# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1822 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1823# define Perl_modf(x,y) Perl_my_modfl(x,y)
1824# endif
a3540c92
JH
1825# endif
1826# ifdef HAS_FREXPL
dff3e0b8 1827# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1828# else
1829# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1830 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1831# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1832# endif
a3540c92 1833# endif
38dbb4c5 1834# ifndef Perl_isnan
758a5d79
JH
1835# ifdef HAS_ISNANL
1836# define Perl_isnan(x) isnanl(x)
1837# endif
1838# endif
1839# ifndef Perl_isinf
1840# ifdef HAS_FINITEL
1841# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1842# endif
1843# endif
65202027 1844#else
2d4389e4 1845# define NV_DIG DBL_DIG
d6c14000
JH
1846# ifdef DBL_MANT_DIG
1847# define NV_MANT_DIG DBL_MANT_DIG
1848# endif
06fc1729
JH
1849# ifdef DBL_MIN
1850# define NV_MIN DBL_MIN
1851# endif
1852# ifdef DBL_MAX
1853# define NV_MAX DBL_MAX
1854# endif
1855# ifdef DBL_MIN_10_EXP
1856# define NV_MIN_10_EXP DBL_MIN_10_EXP
1857# endif
1858# ifdef DBL_MAX_10_EXP
1859# define NV_MAX_10_EXP DBL_MAX_10_EXP
1860# endif
1861# ifdef DBL_EPSILON
1862# define NV_EPSILON DBL_EPSILON
1863# endif
205f51d8 1864# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1865# define NV_MAX DBL_MAX
1866# define NV_MIN DBL_MIN
1867# else
1868# ifdef HUGE_VAL
1869# define NV_MAX HUGE_VAL
1870# endif
1871# endif
65202027
DS
1872# define Perl_cos cos
1873# define Perl_sin sin
1874# define Perl_sqrt sqrt
1875# define Perl_exp exp
1876# define Perl_log log
1877# define Perl_atan2 atan2
1878# define Perl_pow pow
1879# define Perl_floor floor
1bbae031 1880# define Perl_ceil ceil
65202027 1881# define Perl_fmod fmod
a3540c92 1882# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1883# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1884#endif
1885
1886/* rumor has it that Win32 has _fpclass() */
1887
205f51d8
AS
1888/* SGI has fpclassl... but not with the same result values,
1889 * and it's via a typedef (not via #define), so will need to redo Configure
1890 * to use. Not worth the trouble, IMO, at least until the below is used
1891 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1892 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1893 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1894
758a5d79
JH
1895#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1896# ifdef I_IEEFP
1897# include <ieeefp.h>
1898# endif
1899# ifdef I_FP
1900# include <fp.h>
1901# endif
1902# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1903# define Perl_fp_class() fpclassl(x)
1904# else
1905# define Perl_fp_class() fpclass(x)
1906# endif
1907# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1908# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1909# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1910# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1911# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1912# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1913# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1914# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1915# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1916# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1917# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1918# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1919# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1920# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1921# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1922#endif
1923
7114a2d2 1924#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1925# include <math.h>
1926# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1927# include <fp_class.h>
1928# endif
1929# define Perl_fp_class(x) fp_class(x)
1930# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1931# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1932# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1933# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1934# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1935# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1936# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1937# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1938# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1939# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1940# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1941# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1942# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1943# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1944# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1945#endif
1946
1947#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1948# include <math.h>
1949# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1950# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1951# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1952# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1953# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1954# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1955#endif
1956
1957#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1958# include <math.h>
1959# ifndef _cplusplus
1960# define Perl_fp_class(x) class(x)
1961# else
1962# define Perl_fp_class(x) _class(x)
1963# endif
1964# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1965# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1966# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1967# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1968# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1969# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1970# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1971# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1972# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1973# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1974# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1975# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1976# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1977# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1978# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1979#endif
1980
1981/* rumor has it that Win32 has _isnan() */
1982
1983#ifndef Perl_isnan
a3540c92 1984# ifdef HAS_ISNAN
758a5d79
JH
1985# define Perl_isnan(x) isnan((NV)x)
1986# else
1987# ifdef Perl_fp_class_nan
1988# define Perl_isnan(x) Perl_fp_class_nan(x)
1989# else
1990# ifdef HAS_UNORDERED
1991# define Perl_isnan(x) unordered((x), 0.0)
1992# else
1993# define Perl_isnan(x) ((x)!=(x))
1994# endif
1995# endif
1996# endif
1997#endif
1998
ca6c63e1
JH
1999#ifdef UNDER_CE
2000int isnan(double d);
2001#endif
2002
758a5d79
JH
2003#ifndef Perl_isinf
2004# ifdef HAS_ISINF
2005# define Perl_isinf(x) isinf((NV)x)
a3540c92 2006# else
758a5d79
JH
2007# ifdef Perl_fp_class_inf
2008# define Perl_isinf(x) Perl_fp_class_inf(x)
2009# else
2010# define Perl_isinf(x) ((x)==NV_INF)
2011# endif
2012# endif
2013#endif
2014
2015#ifndef Perl_isfinite
2016# ifdef HAS_FINITE
2017# define Perl_isfinite(x) finite((NV)x)
2018# else
2019# ifdef HAS_ISFINITE
2020# define Perl_isfinite(x) isfinite(x)
2021# else
2022# ifdef Perl_fp_class_finite
2023# define Perl_isfinite(x) Perl_fp_class_finite(x)
2024# else
2025# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2026# endif
2027# endif
a3540c92 2028# endif
65202027
DS
2029#endif
2030
a36244b7
JH
2031/* The default is to use Perl's own atof() implementation (in numeric.c).
2032 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2033 * it is however best to use the native implementation of atof.
2034 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2035 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2036 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2037 * you may need to be using a different function than atof! */
a36244b7
JH
2038
2039#ifndef USE_PERL_ATOF
2040# ifndef _UNICOS
2041# define USE_PERL_ATOF
2042# endif
2043#else
2044# if USE_PERL_ATOF == 0
2045# undef USE_PERL_ATOF
2046# endif
2047#endif
2048
2049#ifdef USE_PERL_ATOF
2050# define Perl_atof(s) Perl_my_atof(s)
2051# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2052#else
2053# define Perl_atof(s) (NV)atof(s)
2054# define Perl_atof2(s, n) ((n) = atof(s))
2055#endif
cf2093f6 2056
d460ef45 2057/* Previously these definitions used hardcoded figures.
760ac839
LW
2058 * It is hoped these formula are more portable, although
2059 * no data one way or another is presently known to me.
2060 * The "PERL_" names are used because these calculated constants
2061 * do not meet the ANSI requirements for LONG_MAX, etc., which
2062 * need to be constants acceptable to #if - kja
2063 * define PERL_LONG_MAX 2147483647L
2064 * define PERL_LONG_MIN (-LONG_MAX - 1)
2065 * define PERL ULONG_MAX 4294967295L
2066 */
2067
2068#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2069# include <limits.h>
760ac839 2070#endif
205f51d8 2071/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2072 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2073
99abf803
PP
2074/*
2075 * Try to figure out max and min values for the integral types. THE CORRECT
2076 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2077 * following hacks are used if neither limits.h or values.h provide them:
2078 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2079 * for types < int: (unsigned TYPE)~(unsigned)0
2080 * The argument to ~ must be unsigned so that later signed->unsigned
2081 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2082 * and it must not be smaller than int because ~ does integral promotion.
2083 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2084 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2085 * The latter is a hack which happens to work on some machines but
2086 * does *not* catch any random system, or things like integer types
2087 * with NaN if that is possible.
2088 *
2089 * All of the types are explicitly cast to prevent accidental loss of
2090 * numeric range, and in the hope that they will be less likely to confuse
2091 * over-eager optimizers.
2092 *
2093 */
27d4fb96 2094
99abf803
PP
2095#define PERL_UCHAR_MIN ((unsigned char)0)
2096
2097#ifdef UCHAR_MAX
2098# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2099#else
99abf803
PP
2100# ifdef MAXUCHAR
2101# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2102# else
99abf803 2103# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2104# endif
2105#endif
d460ef45 2106
99abf803
PP
2107/*
2108 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2109 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2110 * depending on local options. Until Configure detects this (or at least
2111 * detects whether the "signed" keyword is available) the CHAR ranges
2112 * will not be included. UCHAR functions normally.
2113 * - kja
2114 */
27d4fb96 2115
99abf803
PP
2116#define PERL_USHORT_MIN ((unsigned short)0)
2117
2118#ifdef USHORT_MAX
2119# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2120#else
99abf803
PP
2121# ifdef MAXUSHORT
2122# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2123# else
ef2f54b0
CB
2124# ifdef USHRT_MAX
2125# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2126# else
2127# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2128# endif
27d4fb96
PP
2129# endif
2130#endif
2131
27d4fb96 2132#ifdef SHORT_MAX
99abf803 2133# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2134#else
2135# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2136# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2137# else
ef2f54b0
CB
2138# ifdef SHRT_MAX
2139# define PERL_SHORT_MAX ((short)SHRT_MAX)
2140# else
2141# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2142# endif
27d4fb96
PP
2143# endif
2144#endif
2145
2146#ifdef SHORT_MIN
99abf803 2147# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2148#else
2149# ifdef MINSHORT
99abf803 2150# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2151# else
ef2f54b0
CB
2152# ifdef SHRT_MIN
2153# define PERL_SHORT_MIN ((short)SHRT_MIN)
2154# else
2155# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2156# endif
27d4fb96
PP
2157# endif
2158#endif
2159
99abf803
PP
2160#ifdef UINT_MAX
2161# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2162#else
99abf803
PP
2163# ifdef MAXUINT
2164# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2165# else
99abf803 2166# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2167# endif
2168#endif
2169
99abf803 2170#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2171
2172#ifdef INT_MAX
99abf803 2173# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2174#else
2175# ifdef MAXINT /* Often used in <values.h> */
99abf803 2176# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2177# else
99abf803 2178# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2179# endif
2180#endif
2181
2182#ifdef INT_MIN
99abf803 2183# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2184#else
2185# ifdef MININT
99abf803 2186# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2187# else
2188# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2189# endif
2190#endif
2191
99abf803
PP
2192#ifdef ULONG_MAX
2193# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2194#else
99abf803
PP
2195# ifdef MAXULONG
2196# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2197# else
99abf803 2198# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2199# endif
2200#endif
2201
99abf803 2202#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2203
760ac839 2204#ifdef LONG_MAX
99abf803 2205# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2206#else
2207# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2208# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2209# else
99abf803 2210# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2211# endif
2212#endif
2213
2214#ifdef LONG_MIN
99abf803 2215# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2216#else
2217# ifdef MINLONG
99abf803 2218# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2219# else
27d4fb96 2220# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2221# endif
2222#endif
2223
d7d93a81 2224#ifdef UV_IS_QUAD
99abf803 2225
99abf803 2226# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2227# define PERL_UQUAD_MIN ((UV)0)
99abf803 2228# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2229# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2230
79072805
LW
2231#endif
2232
830247a4 2233struct RExC_state_t;
8e11feef 2234struct _reg_trie_data;
880b20b6 2235
ee0007ab 2236typedef MEM_SIZE STRLEN;
450a55e4 2237
598921a7
NC
2238#ifdef PERL_MAD
2239typedef struct token TOKEN;
2240typedef struct madprop MADPROP;
2241typedef struct nexttoken NEXTTOKE;
2242#endif
79072805
LW
2243typedef struct op OP;
2244typedef struct cop COP;
2245typedef struct unop UNOP;
2246typedef struct binop BINOP;
2247typedef struct listop LISTOP;
2248typedef struct logop LOGOP;
79072805
LW
2249typedef struct pmop PMOP;
2250typedef struct svop SVOP;
7934575e 2251typedef struct padop PADOP;
79072805 2252typedef struct pvop PVOP;
79072805
LW
2253typedef struct loop LOOP;
2254
7aef8e5b 2255#ifdef PERL_CORE
8be227ab
FC
2256typedef struct opslab OPSLAB;
2257typedef struct opslot OPSLOT;
2258#endif
2259
52db365a 2260typedef struct block_hooks BHK;
1830b3d9 2261typedef struct custom_op XOP;
52db365a 2262
cd1541b2
NC
2263typedef struct interpreter PerlInterpreter;
2264
d2b3f365 2265/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2266#if defined(__sgi)
d2b3f365 2267# define STRUCT_SV perl_sv
b8d3c5db
JH
2268#else
2269# define STRUCT_SV sv
2270#endif
2271typedef struct STRUCT_SV SV;
79072805
LW
2272typedef struct av AV;
2273typedef struct hv HV;
2274typedef struct cv CV;
d2f13c59 2275typedef struct p5rx REGEXP;
79072805 2276typedef struct gp GP;
0c30d9ec 2277typedef struct gv GV;
8990e307 2278typedef struct io IO;
c09156bb 2279typedef struct context PERL_CONTEXT;
79072805
LW
2280typedef struct block BLOCK;
2281
2282typedef struct magic MAGIC;
2283typedef struct xpv XPV;
2284typedef struct xpviv XPVIV;
ff68c719 2285typedef struct xpvuv XPVUV;
79072805
LW
2286typedef struct xpvnv XPVNV;
2287typedef struct xpvmg XPVMG;
2288typedef struct xpvlv XPVLV;
d361b004 2289typedef struct xpvinvlist XINVLIST;
79072805
LW
2290typedef struct xpvav XPVAV;
2291typedef struct xpvhv XPVHV;
2292typedef struct xpvgv XPVGV;
2293typedef struct xpvcv XPVCV;
2294typedef struct xpvbm XPVBM;
2295typedef struct xpvfm XPVFM;
8990e307 2296typedef struct xpvio XPVIO;
79072805
LW
2297typedef struct mgvtbl MGVTBL;
2298typedef union any ANY;
5f7fde29
GS
2299typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2300typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2301typedef struct clone_params CLONE_PARAMS;
2302
35e035cc 2303/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2304 * so hide the type. */
2305typedef struct padlist PADLIST;
67634234 2306typedef AV PAD;
35e035cc
FC
2307typedef AV PADNAMELIST;
2308typedef SV PADNAME;
67634234 2309
13b0f67d
DM
2310/* enable PERL_NEW_COPY_ON_WRITE by default */
2311#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2312# define PERL_NEW_COPY_ON_WRITE
2313#endif
07d01d6e 2314
db2c6cb3
FC
2315#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2316# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2317# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2318# else
2319# define PERL_ANY_COW
2320# endif
9f351b45
DM
2321#else
2322# define PERL_SAWAMPERSAND
db2c6cb3
FC
2323#endif
2324
378cc40b 2325#include "handy.h"
a0d0e21e 2326
6b8eaf93 2327#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2328# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2329# define USE_64_BIT_RAWIO /* implicit */
2330# endif
4564133c
JH
2331#endif
2332
6b8eaf93
JH
2333/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2334 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2335 * however, because operating systems like to do that themself. */
2336#ifndef FSEEKSIZE
2337# ifdef HAS_FSEEKO
2338# define FSEEKSIZE LSEEKSIZE
2339# else
2340# define FSEEKSIZE LONGSIZE
d460ef45 2341# endif
6b8eaf93
JH
2342#endif
2343
2344#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2345# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2346# define USE_64_BIT_STDIO /* implicit */
2347# endif
2348#endif
4564133c 2349
09458382 2350#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2351# ifdef HAS_OFF64_T
2352# undef Off_t
2353# define Off_t off64_t
2354# undef LSEEKSIZE
2355# define LSEEKSIZE 8
5ff3f7a4 2356# endif
d9b3e12d
JH
2357/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2358 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2359 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2360# if defined(USE_OPEN64)
2361# define open open64
5ff3f7a4 2362# endif
d9b3e12d
JH
2363# if defined(USE_LSEEK64)
2364# define lseek lseek64
6b8eaf93
JH
2365# else
2366# if defined(USE_LLSEEK)
2367# define lseek llseek
2368# endif
d9b3e12d
JH
2369# endif
2370# if defined(USE_STAT64)
2371# define stat stat64
2372# endif
2373# if defined(USE_FSTAT64)
2374# define fstat fstat64
2375# endif
2376# if defined(USE_LSTAT64)
2377# define lstat lstat64
2378# endif
2379# if defined(USE_FLOCK64)
2380# define flock flock64
2381# endif
2382# if defined(USE_LOCKF64)
2383# define lockf lockf64
2384# endif
2385# if defined(USE_FCNTL64)
2386# define fcntl fcntl64
2387# endif
2388# if defined(USE_TRUNCATE64)
2389# define truncate truncate64
2390# endif
2391# if defined(USE_FTRUNCATE64)
2392# define ftruncate ftruncate64
2393# endif
2394#endif
2395
2396#ifdef USE_64_BIT_STDIO
2397# ifdef HAS_FPOS64_T
2398# undef Fpos_t
2399# define Fpos_t fpos64_t
2400# endif
2401/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2402 * will trigger defines like the ones below. Some 64-bit environments,
2403 * however, do not. */
2404# if defined(USE_FOPEN64)
2405# define fopen fopen64
2406# endif
2407# if defined(USE_FSEEK64)
6b8eaf93 2408# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2409# endif
2410# if defined(USE_FTELL64)
6b8eaf93 2411# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2412# endif
2413# if defined(USE_FSETPOS64)
2414# define fsetpos fsetpos64
2415# endif
2416# if defined(USE_FGETPOS64)
2417# define fgetpos fgetpos64
2418# endif
2419# if defined(USE_TMPFILE64)
2420# define tmpfile tmpfile64
2421# endif
2422# if defined(USE_FREOPEN64)
2423# define freopen freopen64
5ff3f7a4
GS
2424# endif
2425#endif
2426
e37778c2 2427#if defined(OS2)
2c2d71f5
JH
2428# include "iperlsys.h"
2429#endif
2430
748a9306 2431#ifdef DOSISH
19848b3f
JH
2432# if defined(OS2)
2433# include "os2ish.h"
2434# else
2435# include "dosish.h"
2436# endif
2437# define ISHISH "dos"
2438#endif
2439
2440#if defined(VMS)
748a9306 2441# include "vmsish.h"
19848b3f
JH
2442# define ISHISH "vms"
2443#endif
2444
2445#if defined(PLAN9)
2446# include "./plan9/plan9ish.h"
2447# define ISHISH "plan9"
2448#endif
2449
19848b3f 2450#if defined(__VOS__)
196918b0
PG
2451# ifdef __GNUC__
2452# include "./vos/vosish.h"
2453# else
2454# include "vos/vosish.h"
2455# endif
19848b3f
JH
2456# define ISHISH "vos"
2457#endif
2458
9969cdde 2459#ifdef __SYMBIAN32__
27da23d5 2460# include "symbian/symbianish.h"
27da23d5
JH
2461# define ISHISH "symbian"
2462#endif
2463
19848b3f 2464
df00ff3b
IW
2465#if defined(__HAIKU__)
2466# include "haiku/haikuish.h"
2467# define ISHISH "haiku"
efca5cc6
JH
2468#endif
2469
19848b3f
JH
2470#ifndef ISHISH
2471# include "unixish.h"
2472# define ISHISH "unix"
13b6e58c
JH
2473#endif
2474
2946a158
JH
2475/* NSIG logic from Configure --> */
2476/* Strange style to avoid deeply-nested #if/#else/#endif */
2477#ifndef NSIG
2478# ifdef _NSIG
2479# define NSIG (_NSIG)
2480# endif
2481#endif
2482
2483#ifndef NSIG
2484# ifdef SIGMAX
2485# define NSIG (SIGMAX+1)
2486# endif
2487#endif
2488
2489#ifndef NSIG
2490# ifdef SIG_MAX
2491# define NSIG (SIG_MAX+1)
2492# endif
2493#endif
2494
2495#ifndef NSIG
2496# ifdef _SIG_MAX
2497# define NSIG (_SIG_MAX+1)
2498# endif
2499#endif
2500
2501#ifndef NSIG
2502# ifdef MAXSIG
2503# define NSIG (MAXSIG+1)
2504# endif
2505#endif
2506
2507#ifndef NSIG
2508# ifdef MAX_SIG
2509# define NSIG (MAX_SIG+1)
2510# endif
2511#endif
2512
2513#ifndef NSIG
2514# ifdef SIGARRAYSIZE
2515# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2516# endif
2517#endif
2518
2519#ifndef NSIG
2520# ifdef _sys_nsig
2521# define NSIG (_sys_nsig) /* Solaris 2.5 */
2522# endif
2523#endif
2524
2525/* Default to some arbitrary number that's big enough to get most
2526 of the common signals.
2527*/
2528#ifndef NSIG
2529# define NSIG 50
2530#endif
2531/* <-- NSIG logic from Configure */
2532
13b6e58c
JH
2533#ifndef NO_ENVIRON_ARRAY
2534# define USE_ENVIRON_ARRAY
2535#endif
32f822de 2536
c77b533b
JH
2537/*
2538 * initialise to avoid floating-point exceptions from overflow, etc
2539 */
2540#ifndef PERL_FPU_INIT
2541# ifdef HAS_FPSETMASK
2542# if HAS_FLOATINGPOINT_H
2543# include <floatingpoint.h>
2544# endif
ad3a8c67
NC
2545/* Some operating systems have this as a macro, which in turn expands to a comma
2546 expression, and the last sub-expression is something that gets calculated,
2547 and then they have the gall to warn that a value computed is not used. Hence
2548 cast to void. */
2549# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2550# else
2f42fcb0 2551# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2552# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2553# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2554# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2555# else
2556# define PERL_FPU_INIT
2f42fcb0 2557
7014c407 2558# endif
c77b533b
JH
2559# endif
2560#endif
b35112e7
CS
2561#ifndef PERL_FPU_PRE_EXEC
2562# define PERL_FPU_PRE_EXEC {
2563# define PERL_FPU_POST_EXEC }
2564#endif
c77b533b 2565
cbec8ebe
DM
2566#ifndef PERL_SYS_INIT3_BODY
2567# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2568#endif
2569
eb533572 2570/*
4ad9e498 2571=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2572Provides system-specific tune up of the C runtime environment necessary to
2573run Perl interpreters. This should be called only once, before creating
2574any Perl interpreters.
2575
4ad9e498 2576=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2577Provides system-specific tune up of the C runtime environment necessary to
2578run Perl interpreters. This should be called only once, before creating
2579any Perl interpreters.
2580
2581=for apidoc Am|void|PERL_SYS_TERM|
2582Provides system-specific clean up of the C runtime environment after
2583running Perl interpreters. This should be called only once, after
2584freeing any remaining Perl interpreters.
2585
2586=cut
2587 */
2588
cbec8ebe
DM
2589#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2590#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2591#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2592
be708cc0
JH
2593#ifndef PERL_WRITE_MSG_TO_CONSOLE
2594# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2595#endif
2596
0f31cffe
GS
2597#ifndef MAXPATHLEN
2598# ifdef PATH_MAX
b990c8b2
JH
2599# ifdef _POSIX_PATH_MAX
2600# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2601/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2602 * included the null byte or not. Later amendments of POSIX,
2603 * XPG4, the Austin Group, and the Single UNIX Specification
2604 * all explicitly include the null byte in the PATH_MAX.
2605 * Ditto for _POSIX_PATH_MAX. */
2606# define MAXPATHLEN PATH_MAX
b990c8b2 2607# else
09448d78 2608# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2609# endif
2610# else
2611# define MAXPATHLEN (PATH_MAX+1)
2612# endif
0f31cffe 2613# else
d552bce8 2614# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2615# endif
2616#endif
2617
c80263a8
SH
2618/* In case Configure was not used (we are using a "canned config"
2619 * such as Win32, or a cross-compilation setup, for example) try going
2620 * by the gcc major and minor versions. One useful URL is
2621 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2622 * but contrary to this information warn_unused_result seems
2623 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2624 * Also, when building extensions with an installed perl, this allows
2625 * the user to upgrade gcc and get the right attributes, rather than
2626 * relying on the list generated at Configure time. --AD
c80263a8
SH
2627 * Set these up now otherwise we get confused when some of the <*thread.h>
2628 * includes below indirectly pull in <perlio.h> (which needs to know if we
2629 * have HASATTRIBUTE_FORMAT).
2630 */
2631
4d7c7898 2632#ifndef PERL_MICRO
fc2007d4 2633#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2634# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2635# define HASATTRIBUTE_DEPRECATED
2636# endif
c80263a8
SH
2637# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2638# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2639# if defined __MINGW32__
2640# define PRINTF_FORMAT_NULL_OK
2641# endif
c80263a8
SH
2642# endif
2643# if __GNUC__ >= 3 /* 3.0 -> */
2644# define HASATTRIBUTE_MALLOC
2645# endif
2646# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2647# define HASATTRIBUTE_NONNULL
2648# endif
2649# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2650# define HASATTRIBUTE_NORETURN
2651# endif
2652# if __GNUC__ >= 3 /* gcc 3.0 -> */
2653# define HASATTRIBUTE_PURE
2654# endif
42bf5550 2655# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2656# define HASATTRIBUTE_UNUSED
2657# endif
d324fe49
AD
2658# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2659# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2660# endif
c80263a8
SH
2661# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2662# define HASATTRIBUTE_WARN_UNUSED_RESULT
2663# endif
2664#endif
00f254e2 2665#endif /* #ifndef PERL_MICRO */
c80263a8 2666
3db8f154 2667/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2668 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2669 * this results in many functions being undeclared which bothers C++
2670 * May make sense to have threads after "*ish.h" anyway
2671 */
2672
3db8f154 2673#if defined(USE_ITHREADS)
2986a63f
JH
2674# ifdef NETWARE
2675# include <nw5thread.h>
2676# else
32f822de
GS
2677# ifdef WIN32
2678# include <win32thread.h>
2679# else
dd96f567
IZ
2680# ifdef OS2
2681# include "os2thread.h"
2682# else
7f3d1cf1 2683# ifdef I_MACH_CTHREADS
bdd66968 2684# include <mach/cthreads.h>
8f1f23e8 2685# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2686# define MUTEX_INIT_CALLS_MALLOC
2687# endif
7f3d1cf1
BH
2688typedef cthread_t perl_os_thread;
2689typedef mutex_t perl_mutex;
2690typedef condition_t perl_cond;
2691typedef void * perl_key;
2692# else /* Posix threads */
1f5ae88c
JH
2693# ifdef I_PTHREAD
2694# include <pthread.h>
2695# endif
7f3d1cf1
BH
2696typedef pthread_t perl_os_thread;
2697typedef pthread_mutex_t perl_mutex;
2698typedef pthread_cond_t perl_cond;
2699typedef pthread_key_t perl_key;
2700# endif /* I_MACH_CTHREADS */
dd96f567 2701# endif /* OS2 */
32f822de 2702# endif /* WIN32 */
ef4abe76 2703# endif /* NETWARE */
3db8f154 2704#endif /* USE_ITHREADS */
c5be433b 2705
66a93824 2706#if defined(WIN32)
1feb2720 2707# include "win32.h"
c5be433b
GS
2708#endif
2709
2986a63f
JH
2710#ifdef NETWARE
2711# include "netware.h"
2712#endif
2713
e5218da5 2714#define STATUS_UNIX PL_statusvalue
68dc0745 2715#ifdef VMS
6b88bc9c 2716# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2717/*
2718 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2719 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2720 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2721 * be updated also.
2722 */
2723# include <stsdef.h>
2724# include <ssdef.h>
2725/* Presume this because if VMS changes it, it will require a new
2726 * set of APIs for waiting on children for binary compatibility.
2727 */
2728# define child_offset_bits (8)
2729# ifndef C_FAC_POSIX
2730# define C_FAC_POSIX 0x35A000
2731# endif
2732
2733/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2734 * platform from the existing UNIX or Native status values.
2735 */
2736
37038d91 2737# define STATUS_EXIT \
7a7fd8e0
JM
2738 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2739 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2740
7a7fd8e0 2741
fb38d079
JM
2742/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2743 * exit code and shifts the UNIX value over the correct number of bits to
2744 * be a child status. Usually the number of bits is 8, but that could be
2745 * platform dependent. The NATIVE status code is presumed to have either
2746 * from a child process.
7a7fd8e0
JM
2747 */
2748
fb38d079
JM
2749/* This is complicated. The child processes return a true native VMS
2750 status which must be saved. But there is an assumption in Perl that
2751 the UNIX child status has some relationship to errno values, so
00f254e2 2752 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2753 In order to get the string translation correct, for the error, errno
2754 must be EVMSERR, but that generates a different text message
2755 than what the test programs are expecting. So an errno value must
2756 be derived from the native status value when an error occurs.
2757 That will hide the true native status message. With this version of
2758 perl, the true native child status can always be retrieved so that
2759 is not a problem. But in this case, Pl_statusvalue and errno may
2760 have different values in them.
2761 */
7a7fd8e0 2762
fb38d079 2763# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2764 STMT_START { \
2fbb330f
JM
2765 I32 evalue = (I32)n; \
2766 if (evalue == EVMSERR) { \
2767 PL_statusvalue_vms = vaxc$errno; \
2768 PL_statusvalue = evalue; \
7a7fd8e0 2769 } else { \
2fbb330f 2770 PL_statusvalue_vms = evalue; \
fb38d079 2771 if (evalue == -1) { \
3280af22 2772 PL_statusvalue = -1; \
7a7fd8e0
JM
2773 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2774 } else \
fb38d079 2775 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2776 set_vaxc_errno(evalue); \
fb38d079
JM
2777 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2778 set_errno(EVMSERR); \
2779 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2780 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2781 } \
68dc0745 2782 } STMT_END
7a7fd8e0 2783
68dc0745 2784# ifdef VMSISH_STATUS
e5218da5 2785# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2786# else
e5218da5 2787# define STATUS_CURRENT STATUS_UNIX
68dc0745 2788# endif
7a7fd8e0
JM
2789
2790 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2791 * the NATIVE status to an equivalent value. Can not be used to translate
2792 * exit code values as exit code values are not guaranteed to have any
2793 * relationship at all to errno values.
2794 * This is used when Perl is forcing errno to have a specific value.
2795 */
e5218da5 2796# define STATUS_UNIX_SET(n) \
68dc0745 2797 STMT_START { \
7a7fd8e0 2798 I32 evalue = (I32)n; \
0968cdad 2799 PL_statusvalue = evalue; \
3280af22 2800 if (PL_statusvalue != -1) { \
0968cdad
JM
2801 if (PL_statusvalue != EVMSERR) { \
2802 PL_statusvalue &= 0xFFFF; \
2803 if (MY_POSIX_EXIT) \
2804 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2805 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2806 } \
2807 else { \
2808 PL_statusvalue_vms = vaxc$errno; \
2809 } \
68dc0745 2810 } \
0968cdad
JM
2811 else PL_statusvalue_vms = SS$_ABORT; \
2812 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2813 } STMT_END
2814
2815 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2816 * the NATIVE error status based on it.
2817 *
2818 * When in the default mode to comply with the Perl VMS documentation,
2819 * 0 is a success and any other code sets the NATIVE status to a failure
2820 * code of SS$_ABORT.
fb38d079
JM
2821 *
2822 * In the new POSIX EXIT mode, native status will be set so that the
2823 * actual exit code will can be retrieved by the calling program or
2824 * shell.
2825 *
2826 * If the exit code is not clearly a UNIX parent or child exit status,
2827 * it will be passed through as a VMS status.
7a7fd8e0
JM
2828 */
2829
fb38d079 2830# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2831 STMT_START { \
2832 I32 evalue = (I32)n; \
2833 PL_statusvalue = evalue; \
e08e1e1d
JM
2834 if (MY_POSIX_EXIT) { \
2835 if (evalue <= 0xFF00) { \
2836 if (evalue > 0xFF) \
2837 evalue = (evalue >> child_offset_bits) & 0xFF; \
2838 PL_statusvalue_vms = \
2839 (C_FAC_POSIX | (evalue << 3 ) | \
2840 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2841 } else /* forgive them Perl, for they have sinned */ \
2842 PL_statusvalue_vms = evalue; \
2843 } else { \
2844 if (evalue == 0) \
2845 PL_statusvalue_vms = SS$_NORMAL; \
2846 else if (evalue <= 0xFF00) \
2847 PL_statusvalue_vms = SS$_ABORT; \
2848 else { /* forgive them Perl, for they have sinned */ \
2849 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2850 else PL_statusvalue_vms = vaxc$errno; \
2851 /* And obviously used a VMS status value instead of UNIX */ \
2852 PL_statusvalue = EVMSERR; \
2853 } \
2854 set_vaxc_errno(PL_statusvalue_vms); \
2855 } \
68dc0745 2856 } STMT_END
fb38d079 2857
e08e1e1d 2858
6ac6a52b
JM
2859 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2860 * and sets the NATIVE error status based on it. This special case
2861 * is needed to maintain compatibility with past VMS behavior.
2862 *
2863 * In the default mode on VMS, this number is passed through as
2864 * both the NATIVE and UNIX status. Which makes it different
2865 * that the STATUS_UNIX_EXIT_SET.
2866 *
2867 * In the new POSIX EXIT mode, native status will be set so that the
2868 * actual exit code will can be retrieved by the calling program or
2869 * shell.
2870 *
1a3aec58
JM
2871 * A POSIX exit code is from 0 to 255. If the exit code is higher
2872 * than this, it needs to be assumed that it is a VMS exit code and
2873 * passed through.
6ac6a52b
JM
2874 */
2875
2876# define STATUS_EXIT_SET(n) \
2877 STMT_START { \
2878 I32 evalue = (I32)n; \
2879 PL_statusvalue = evalue; \
2880 if (MY_POSIX_EXIT) \
1a3aec58
JM
2881 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2882 PL_statusvalue_vms = \
2883 (C_FAC_POSIX | (evalue << 3 ) | \
2884 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2885 else \
2886 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2887 set_vaxc_errno(PL_statusvalue_vms); \
2888 } STMT_END
2889
fb38d079
JM
2890
2891 /* This macro forces a success status */
7a7fd8e0
JM
2892# define STATUS_ALL_SUCCESS \
2893 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2894
2895 /* This macro forces a failure status */
7a7fd8e0
JM
2896# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2897 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2898 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2899
68dc0745 2900#else
e5218da5 2901# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2902# if defined(WCOREDUMP)
37038d91 2903# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2904 STMT_START { \
2905 PL_statusvalue_posix = (n); \
2906 if (PL_statusvalue_posix == -1) \
2907 PL_statusvalue = -1; \
2908 else { \
2909 PL_statusvalue = \
2910 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2911 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2912 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2913 } \
2914 } STMT_END
2915# elif defined(WIFEXITED)
37038d91 2916# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2917 STMT_START { \
2918 PL_statusvalue_posix = (n); \
2919 if (PL_statusvalue_posix == -1) \
2920 PL_statusvalue = -1; \
2921 else { \
2922 PL_statusvalue = \
2923 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2924 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2925 } \
2926 } STMT_END
2927# else
37038d91 2928# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2929 STMT_START { \
2930 PL_statusvalue_posix = (n); \
2931 if (PL_statusvalue_posix == -1) \
2932 PL_statusvalue = -1; \
2933 else { \
2934 PL_statusvalue = \
2935 PL_statusvalue_posix & 0xFFFF; \
2936 } \
2937 } STMT_END
2938# endif
2939# define STATUS_UNIX_SET(n) \
68dc0745 2940 STMT_START { \
3280af22
NIS
2941 PL_statusvalue = (n); \
2942 if (PL_statusvalue != -1) \
2943 PL_statusvalue &= 0xFFFF; \
68dc0745 2944 } STMT_END
7a7fd8e0 2945# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2946# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2947# define STATUS_CURRENT STATUS_UNIX
37038d91 2948# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2949# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2950# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2951#endif
2952
cc3604b1
GS
2953/* flags in PL_exit_flags for nature of exit() */
2954#define PERL_EXIT_EXPECTED 0x01
31d77e54 2955#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2956
b79b76e0 2957#ifndef PERL_CORE
a7cb1f99 2958/* format to use for version numbers in file/directory names */
273cf8d1 2959/* XXX move to Configure? */
b79b76e0
NC
2960/* This was only ever used for the current version, and that can be done at
2961 compile time, as PERL_FS_VERSION, so should we just delete it? */
2962# ifndef PERL_FS_VER_FMT
2963# define PERL_FS_VER_FMT "%d.%d.%d"
2964# endif
2965#endif
2966
2967#ifndef PERL_FS_VERSION
2968# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2969#endif
2970
45bc9206 2971/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2972 * performance issue, so we allow people to disable it. Also, if
2973 * we are using stdio, there are broken implementations of fflush(NULL)
2974 * out there, Solaris being the most prominent.
45bc9206
GS
2975 */
2976#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2977# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2978# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2979# else
2980# ifdef FFLUSH_ALL
2981# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2982# else
c5be433b 2983# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2984# endif
66fe083f 2985# endif
45bc9206
GS
2986#endif
2987
7766f137
GS
2988#ifndef PERL_WAIT_FOR_CHILDREN
2989# define PERL_WAIT_FOR_CHILDREN NOOP
2990#endif
2991
ba869deb 2992/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2993#ifndef PERL_SET_INTERP
2994# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2995#endif
2996
2997#ifndef PERL_GET_INTERP
2998# define PERL_GET_INTERP (PL_curinterp)
2999#endif
3000
54aff467 3001#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3002# ifdef MULTIPLICITY
ba869deb 3003# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3004# endif
ba869deb
GS
3005# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3006#endif
3007
00f254e2 3008/*
8896765a 3009 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3010 All that is required is that the perl source does not
00f254e2
KW
3011 use "%-p" or "%-<number>p" or "%<number>p" formats.
3012 These formats will still work in perl code.
486ec47a 3013 See comments in sv.c for further details.
8896765a 3014
8896765a 3015 Robin Barker 2005-07-14
f46d31f2 3016
00f254e2 3017 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3018*/
8896765a
RB
3019
3020#ifndef SVf_
63ce7bf0 3021# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3022#endif
3023
8896765a 3024#ifndef SVf
104abab4 3025# define SVf "-p"
d2560b70
RB
3026#endif
3027
014ead4b 3028#ifndef SVf32
8896765a 3029# define SVf32 SVf_(32)
014ead4b
RB
3030#endif
3031
3032#ifndef SVf256
8896765a
RB
3033# define SVf256 SVf_(256)
3034#endif
3035
be2597df
MHM
3036#define SVfARG(p) ((void*)(p))
3037
20023040
FC
3038#ifndef HEKf
3039# define HEKf "2p"
3040#endif
3041
b8fa5213
FC
3042/* Not ideal, but we cannot easily include a number in an already-numeric
3043 * format sequence. */
3044#ifndef HEKf256
3045# define HEKf256 "3p"
3046#endif
3047
20023040
FC
3048#define HEKfARG(p) ((void*)(p))
3049
b17a0679
FC
3050/* Takes three arguments: is_utf8, length, str */
3051#ifndef UTF8f
3052# define UTF8f "d%"UVuf"%4p"
3053#endif
3054#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3055
f46d31f2 3056#ifdef PERL_CORE
486ec47a 3057/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3058# undef VDf
3059#else
3060# ifndef VDf
8896765a
RB
3061# define VDf "vd"
3062# endif
014ead4b 3063#endif
170cd9e9
NC
3064
3065#ifdef PERL_CORE
486ec47a 3066/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3067# undef UVf
3068#else
170cd9e9
NC
3069# ifndef UVf
3070# define UVf UVuf
3071# endif
d2560b70
RB
3072#endif
3073
fcdf39cf
RGS
3074#ifdef HASATTRIBUTE_DEPRECATED
3075# define __attribute__deprecated__ __attribute__((deprecated))
3076#endif
0dbb1585
AL
3077#ifdef HASATTRIBUTE_FORMAT
3078# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3079#endif
3080#ifdef HASATTRIBUTE_MALLOC
77785eea 3081# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3082#endif
0dbb1585 3083#ifdef HASATTRIBUTE_NONNULL
abb2c242 3084# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3085#endif
0dbb1585 3086#ifdef HASATTRIBUTE_NORETURN
abb2c242 3087# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3088#endif
0dbb1585 3089#ifdef HASATTRIBUTE_PURE
abb2c242 3090# define __attribute__pure__ __attribute__((pure))
f22be1b8 3091#endif
0dbb1585
AL
3092#ifdef HASATTRIBUTE_UNUSED
3093# define __attribute__unused__ __attribute__((unused))
3094#endif
3095#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3096# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3097#endif
3098
0dbb1585 3099/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3100#ifndef __attribute__deprecated__
3101# define __attribute__deprecated__
3102#endif
0dbb1585
AL
3103#ifndef __attribute__format__
3104# define __attribute__format__(x,y,z)
3105#endif
f22be1b8 3106#ifndef __attribute__malloc__
abb2c242 3107# define __attribute__malloc__
f22be1b8
JH
3108#endif
3109#ifndef __attribute__nonnull__
abb2c242 3110# define __attribute__nonnull__(a)
f22be1b8
JH
3111#endif
3112#ifndef __attribute__noreturn__
abb2c242 3113# define __attribute__noreturn__
f22be1b8
JH
3114#endif
3115#ifndef __attribute__pure__
abb2c242 3116# define __attribute__pure__
f22be1b8 3117#endif
0dbb1585
AL
3118#ifndef __attribute__unused__
3119# define __attribute__unused__
3120#endif
f22be1b8 3121#ifndef __attribute__warn_unused_result__
abb2c242
JH
3122# define __attribute__warn_unused_result__
3123#endif
3124
0dbb1585
AL
3125/* For functions that are marked as __attribute__noreturn__, it's not
3126 appropriate to call return. In either case, include the lint directive.
3127 */
3128#ifdef HASATTRIBUTE_NORETURN
118e2215 3129# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3130#else
118e2215 3131# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3132#endif
3133
cdfeb707
RB
3134/* Some OS warn on NULL format to printf */
3135#ifdef PRINTF_FORMAT_NULL_OK
3136# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3137#else
00f254e2 3138# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3139#endif
3140
635aebb7 3141#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3142# define EXPECT(expr,val) __builtin_expect(expr,val)
3143#else
3144# define EXPECT(expr,val) (expr)
3145#endif
6d5abc62
NC
3146#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3147#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3148#ifdef HAS_BUILTIN_CHOOSE_EXPR
3149/* placeholder */
3150#endif
b37c2d43 3151
3fc1aec6
PP
3152/* Some unistd.h's give a prototype for pause() even though
3153 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3154 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3155*/
3156#ifdef HAS_PAUSE
3157#define Pause pause
3158#else
3159#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3160#endif
3161
3162#ifndef IOCPARM_LEN
3163# ifdef IOCPARM_MASK
61f1c44b 3164 /* on BSDish systems we're safe */
748a9306
LW
3165# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3166# else
61f1c44b 3167# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3168 /* on Linux systems we're safe; except when we're not [perl #38223] */
3169# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3170# else
748a9306 3171 /* otherwise guess at what's safe */
61f1c44b
JVD
3172# define IOCPARM_LEN(x) 256
3173# endif
748a9306 3174# endif
a0d0e21e
LW
3175#endif
3176
1761cee5 3177#if defined(__CYGWIN__)
521e0776
GS
3178/* USEMYBINMODE
3179 * This symbol, if defined, indicates that the program should
16fe6d59 3180 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3181 * that a file is in "binary" mode -- that is, that no translation
3182 * of bytes occurs on read or write operations.
3183 */
36894f0b 3184# define USEMYBINMODE /**/
77a40698 3185# include <io.h> /* for setmode() prototype */
16fe6d59 3186# define my_binmode(fp, iotype, mode) \
77a40698 3187 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3188#endif
3189
88d10794
JH
3190#ifdef __CYGWIN__
3191void init_os_extras(void);
3192#endif
3193
cea2e8a9
GS
3194#ifdef UNION_ANY_DEFINITION
3195UNION_ANY_DEFINITION;
3196#else
3197union any {
3198 void* any_ptr;
3199 I32 any_i32;
3200 IV any_iv;
c6bf6a65 3201 UV any_uv;
cea2e8a9 3202 long any_long;
9febdf04 3203 bool any_bool;
c76ac1ee 3204 void (*any_dptr) (void*);
acfe0abc 3205 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3206};
3207#endif
3208
acfe0abc 3209typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3210
3211#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3212#define FILTER_DATA(idx) \
3213 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3214#define FILTER_ISREADER(idx) \
3215 (PL_parser && PL_parser->rsfp_filters \
3216 && idx >= AvFILLp(PL_parser->rsfp_filters))
3217#define PERL_FILTER_EXISTS(i) \
3218 (PL_parser && PL_parser->rsfp_filters \
3219 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3220
c5078cac
JH
3221#if defined(_AIX) && !defined(_AIX43)
3222#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3223/* We cannot include <crypt.h> to get the struct crypt_data
3224 * because of setkey prototype problems when threading */
3225typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3226 /* From OSF, Not needed in AIX
3227 char C[28], D[28];
3228 */
3229 char E[48];
3230 char KS[16][48];
3231 char block[66];
3232 char iobuf[16];
3233} CRYPTD;
3234#endif /* threading */
3235#endif /* AIX */
3236
e37778c2 3237#if !defined(OS2)
2c2d71f5
JH
3238# include "iperlsys.h"
3239#endif
504f80c1 3240
9c12f1e5 3241#ifdef __LIBCATAMOUNT__
00f254e2 3242#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3243#undef HAS_GROUP
3244#define FAKE_BIT_BUCKET
3245#endif
3246
d10dc2ae
JH
3247/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3248 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3249 * defined by Configure, despite their names being similar to the
3250 * other defines like USE_ITHREADS. Configure in fact knows nothing
3251 * about the randomised hashes. Therefore to enable/disable the hash
3252 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3253#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3254# define USE_HASH_SEED
504f80c1
JH
3255#endif
3256
598921a7
NC
3257/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3258 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3259 * it's not really needed.
3260 */
3261#if defined(WIN32)
3262# define YYTOKENTYPE
3263#endif
3264#include "perly.h"
3265
3266#ifdef PERL_MAD
3267struct nexttoken {
3268 YYSTYPE next_val; /* value of next token, if any */
3269 I32 next_type; /* type of next token */
3270 MADPROP *next_mad; /* everything else about that token */
3271};
3272#endif
3273
654eccd5
JD
3274/* macros to define bit-fields in structs. */
3275#ifndef PERL_BITFIELD8
3276# define PERL_BITFIELD8 unsigned
3277#endif
3278#ifndef PERL_BITFIELD16
3279# define PERL_BITFIELD16 unsigned
3280#endif
3281#ifndef PERL_BITFIELD32
3282# define PERL_BITFIELD32 unsigned
3283#endif
3284
79072805 3285#include "sv.h"
288b8c02 3286#include "regexp.h"
378cc40b 3287#include "util.h"
8d063cd8 3288#include "form.h"
79072805 3289#include "gv.h"
dd2155a4 3290#include "pad.h"
79072805 3291#include "cv.h"
abdd5c84 3292#include "opnames.h"
79072805 3293#include "op.h"
b3ca2e83 3294#include "hv.h"
79072805
LW
3295#include "cop.h"
3296#include "av.h"
79072805
LW
3297#include "mg.h"
3298#include "scope.h"
4438c4b7 3299#include "warnings.h"
a0ed51b3 3300#include "utf8.h"
8d063cd8 3301
0d7d409d
DM
3302/* these would be in doio.h if there was such a file */
3303#define my_stat() my_stat_flags(SV_GMAGIC)
3304#define my_lstat() my_lstat_flags(SV_GMAGIC)
3305
20f4945e 3306/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3307#undef _XPV_HEAD
3308#undef _XPVMG_HEAD
3309#undef _XPVCV_COMMON
7fae4e64
GS
3310
3311typedef struct _sublex_info SUBLEXINFO;
3312struct _sublex_info {
651b5b28
NC
3313 U8 super_state; /* lexer state to save */
3314 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3315 OP *sub_op; /* "lex_op" to use */
7cc34111 3316 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3317};
3318
199e78b7
DM
3319#include "parser.h"
3320
455ece5e 3321typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3322
2c2d71f5 3323struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3324struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3325
5f7fde29
GS
3326struct ptr_tbl_ent {
3327 struct ptr_tbl_ent* next;
53c1dcc0 3328 const void* oldval;
5f7fde29 3329 void* newval;
d18c6117
GS
3330};
3331
5f7fde29
GS
3332struct ptr_tbl {
3333 struct ptr_tbl_ent** tbl_ary;
3334 UV tbl_max;
3335 UV tbl_items;
db93c0c4
NC
3336 struct ptr_tbl_arena *tbl_arena;
3337 struct ptr_tbl_ent *tbl_arena_next;
3338 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3339};
3340
fe14fcc3
LW
3341#if defined(htonl) && !defined(HAS_HTONL)
3342#define HAS_HTONL
ae986130 3343#endif
fe14fcc3
LW
3344#if defined(htons) && !defined(HAS_HTONS)
3345#define HAS_HTONS
ae986130 3346#endif
fe14fcc3
LW
3347#if defined(ntohl) && !defined(HAS_NTOHL)
3348#define HAS_NTOHL
ae986130 3349#endif
fe14fcc3
LW
3350#if defined(ntohs) && !defined(HAS_NTOHS)
3351#define HAS_NTOHS
ae986130 3352#endif
fe14fcc3 3353#ifndef HAS_HTONL
fe14fcc3
LW
3354#define HAS_HTONS
3355#define HAS_HTONL
3356#define HAS_NTOHS
3357#define HAS_NTOHL
8e2d7c44
NC
3358# if (BYTEORDER & 0xffff) == 0x4321
3359/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3360 re-order their values. However, to behave identically to the alternative
3361 implementations, they should truncate to the correct size. */
3362# define ntohl(x) ((x)&0xFFFFFFFF)
3363# define htonl(x) ntohl(x)
3364# define ntohs(x) ((x)&0xFFFF)
3365# define htons(x) ntohs(x)
e4b03fed
NC
3366# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3367
3368/* Note that we can't straight out declare our own htonl and htons because
3369 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3370 to avoid the overhead of initialising the socket subsystem, but the headers
3371 that *declare* the various functions are still seen. If we declare our own
3372 htonl etc they will clash with the declarations in the Win32 headers. */
3373
3374PERL_STATIC_INLINE U32
3375my_swap32(const U32 x) {
3376 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3377 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3378}
3379
3380PERL_STATIC_INLINE U16
3381my_swap16(const U16 x) {
3382 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3383}
3384
3385# define htonl(x) my_swap32(x)
3386# define ntohl(x) my_swap32(x)
3387# define ntohs(x) my_swap16(x)
3388# define htons(x) my_swap16(x)
8e2d7c44 3389# else
691a44df
NC
3390# error "Unsupported byteorder"
3391/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3392 the error message. Please check the value of the macro BYTEORDER, as defined
3393 in config.h. The values of BYTEORDER we expect are
3394
3395 big endian little endian
3396 32 bit 0x4321 0x1234
3397 64 bit 0x87654321 0x12345678
3398
3399 If you have a system with a different byte order, please see
3400 pod/perlhack.pod for how to submit a patch to add supporting code.
3401*/
3402# endif
a687059c
LW
3403#endif
3404
988174c1
LW
3405/*
3406 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3407 * -DWS
3408 */
5ae72479 3409#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3410/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3411 re-order their values. However, to behave identically to the alternative
3412 implementations, they should truncate to the correct size. */
3413# define vtohl(x) ((x)&0xFFFFFFFF)
3414# define vtohs(x) ((x)&0xFFFF)
3415# define htovl(x) vtohl(x)
3416# define htovs(x) vtohs(x)
545872c5 3417#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3418# define vtohl(x) ((((x)&0xFF)<<24) \
3419 +(((x)>>24)&0xFF) \
3420 +(((x)&0x0000FF00)<<8) \
3421 +(((x)&0x00FF0000)>>8) )
3422# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3423# define htovl(x) vtohl(x)
3424# define htovs(x) vtohs(x)
545872c5
NC
3425#else
3426# error "Unsupported byteorder"
3427/* If you have need for current perl on PDP-11 or similar, and can help test
3428 that blead keeps working on a mixed-endian system, then see
3429 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3430#endif
988174c1 3431
3bb7c1b4
JH
3432/* *MAX Plus 1. A floating point value.
3433 Hopefully expressed in a way that dodgy floating point can't mess up.
3434 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3435 is added to it
3436 May find that some broken compiler will want the value cast to I32.
3437 [after the shift, as signed >> may not be as secure as unsigned >>]
3438*/
3439#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3440#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3441/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3442 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3443 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3444*/
3445#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3446
3bb7c1b4
JH
3447#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3448#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3449#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3450
3451/* This may look like unnecessary jumping through hoops, but converting
3452 out of range floating point values to integers *is* undefined behaviour,
3453 and it is starting to bite.
3454*/
3455#ifndef CAST_INLINE
65202027 3456#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3457#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3458#define I_V(what) (cast_iv((NV)(what)))
3459#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3460#else
3461#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3462 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3463 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3464#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3465 : ((n) < U32_MAX_P1 ? (U32) (n) \
3466 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3467#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3468 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3469 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3470#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3471 : ((n) < UV_MAX_P1 ? (UV) (n) \
3472 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3473#endif
3474
3475#define U_S(what) ((U16)U_32(what))
3476#define U_I(what) ((unsigned int)U_32(what))
3477#define U_L(what) U_32(what)
ed6116ce 3478
ed140128
AD
3479#ifdef HAS_SIGNBIT
3480# define Perl_signbit signbit
3481#endif
3482
2d4389e4
JH
3483/* These do not care about the fractional part, only about the range. */
3484#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3485#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3486
25da4f38
IZ
3487/* Used with UV/IV arguments: */
3488 /* XXXX: need to speed it up */
3489#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3490#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3491
352d5a3a
LW
3492#ifndef MAXSYSFD
3493# define MAXSYSFD 2
3494#endif
ee0007ab 3495
79072805 3496#ifndef __cplusplus
e37d7e38 3497#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3498Uid_t getuid (void);
3499Uid_t geteuid (void);
3500Gid_t getgid (void);
3501Gid_t getegid (void);
79072805 3502#endif
e1caacb4 3503#endif
8d063cd8 3504
0c30d9ec 3505#ifndef Perl_debug_log
bf49b057
GS
3506# define Perl_debug_log PerlIO_stderr()
3507#endif
3508
3509#ifndef Perl_error_log
3510# define Perl_error_log (PL_stderrgv \
6b78add2 3511 && isGV(PL_stderrgv) \
01bb7c6d 3512 && GvIOp(PL_stderrgv) \
42de951c 3513 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3514 ? IoOFP(GvIOp(PL_stderrgv)) \
3515 : PerlIO_stderr())
0c30d9ec 3516#endif
3967c732 3517
aea4f609
DM
3518
3519#define DEBUG_p_FLAG 0x00000001 /* 1 */
3520#define DEBUG_s_FLAG 0x00000002 /* 2 */
3521#define DEBUG_l_FLAG 0x00000004 /* 4 */
3522#define DEBUG_t_FLAG 0x00000008 /* 8 */
3523#define DEBUG_o_FLAG 0x00000010 /* 16 */
3524#define DEBUG_c_FLAG 0x00000020 /* 32 */
3525#define DEBUG_P_FLAG 0x00000040 /* 64 */
3526#define DEBUG_m_FLAG 0x00000080 /* 128 */
3527#define DEBUG_f_FLAG 0x00000100 /* 256 */
3528#define DEBUG_r_FLAG 0x00000200 /* 512 */
3529#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3530#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3531/* U is reserved for Unofficial, exploratory hacking */
3532#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3533#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3534#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3535#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3536#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3537#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3538#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3539#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3540#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3541#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3542#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3543#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3544#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3545#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3546#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3547
3548#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3549#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3550 that something was done? */
aea4f609 3551
bd16a5f0
IZ
3552# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3553# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3554# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3555# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3556# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3557# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3558# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3559# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3560# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3561# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3562# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3563# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3564# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3565# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3566# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3567# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3568# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3569# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3570# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3571# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3572# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3573# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3574# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3575# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3576# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3577# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3578# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3579# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3580# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3581
3967c732 3582#ifdef DEBUGGING
aea4f609 3583
bd16a5f0
IZ
3584# define DEBUG_p_TEST DEBUG_p_TEST_
3585# define DEBUG_s_TEST DEBUG_s_TEST_
3586# define DEBUG_l_TEST DEBUG_l_TEST_
3587# define DEBUG_t_TEST DEBUG_t_TEST_
3588# define DEBUG_o_TEST DEBUG_o_TEST_
3589# define DEBUG_c_TEST DEBUG_c_TEST_
3590# define DEBUG_P_TEST DEBUG_P_TEST_
3591# define DEBUG_m_TEST DEBUG_m_TEST_
3592# define DEBUG_f_TEST DEBUG_f_TEST_
3593# define DEBUG_r_TEST DEBUG_r_TEST_
3594# define DEBUG_x_TEST DEBUG_x_TEST_
3595# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3596# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3597# define DEBUG_H_TEST DEBUG_H_TEST_
3598# define DEBUG_X_TEST DEBUG_X_TEST_
3599# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3600# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3601# define DEBUG_T_TEST DEBUG_T_TEST_
3602# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3603# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3604# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3605# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3606# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3607# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3608# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3609# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3610# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3611# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3612# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3613
488b0c7a
JH
3614# define PERL_DEB(a) a
3615# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3616# define DEBUG_p(a) if (DEBUG_p_TEST) a
3617# define DEBUG_s(a) if (DEBUG_s_TEST) a
3618# define DEBUG_l(a) if (DEBUG_l_TEST) a
3619# define DEBUG_t(a) if (DEBUG_t_TEST) a
3620# define DEBUG_o(a) if (DEBUG_o_TEST) a
3621# define DEBUG_c(a) if (DEBUG_c_TEST) a
3622# define DEBUG_P(a) if (DEBUG_P_TEST) a
3623
969058bb
VK
3624 /* Temporarily turn off memory debugging in case the a
3625 * does memory allocation, either directly or indirectly. */
acfe0abc 3626# define DEBUG_m(a) \
0b250b9e 3627 STMT_START { \
aea4f609 3628 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3629 } STMT_END
aea4f609 3630
5f80b19c
AMS
3631# define DEBUG__(t, a) \
3632 STMT_START { \
3633 if (t) STMT_START {a;} STMT_END; \
3634 } STMT_END
3635
3636# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3637#ifndef PERL_EXT_RE_BUILD
5f80b19c 3638# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3639#else
3640# define DEBUG_r(a) STMT_START {a;} STMT_END
3641#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3642# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3643# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3644# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3645# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3646# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3647# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3648# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3649# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3650# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3651
56967202 3652# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3653# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3654# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3655# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3656# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3657# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3658# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3659# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3660# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3661
3662#else /* DEBUGGING */
3663
3664# define DEBUG_p_TEST (0)
3665# define DEBUG_s_TEST (0)
3666# define DEBUG_l_TEST (0)
3667# define DEBUG_t_TEST (0)
3668# define DEBUG_o_TEST (0)
3669# define DEBUG_c_TEST (0)
3670# define DEBUG_P_TEST (0)
3671# define DEBUG_m_TEST (0)
3672# define DEBUG_f_TEST (0)
3673# define DEBUG_r_TEST (0)
3674# define DEBUG_x_TEST (0)
3675# define DEBUG_u_TEST (0)
88d2d28a 3676# define DEBUG_U_TEST (0)
aea4f609
DM
3677# define DEBUG_H_TEST (0)
3678# define DEBUG_X_TEST (0)
3679# define DEBUG_D_TEST (0)
56967202 3680# define DEBUG_S_TEST (0)
aea4f609 3681# define DEBUG_T_TEST (0)
04932ac8 3682# define DEBUG_R_TEST (0)
1045810a 3683# define DEBUG_J_TEST (0)
d6721266 3684# define DEBUG_v_TEST (0)
46187eeb 3685# define DEBUG_C_TEST (0)
ecae49c0
NC
3686# define DEBUG_A_TEST (0)
3687# define DEBUG_q_TEST (0)
d7c0d282 3688# define DEBUG_M_TEST (0)
cc8773c0 3689# define DEBUG_B_TEST (0)
7949c6f5
JC
3690# define DEBUG_Xv_TEST (0)
3691# define DEBUG_Uv_TEST (0)
ad9e76a8 3692# define DEBUG_Pv_TEST (0)
aea4f609 3693
488b0c7a
JH
3694# define PERL_DEB(a)
3695# define PERL_DEBUG(a)
aea4f609
DM
3696# define DEBUG_p(a)
3697# define DEBUG_s(a)
3698# define DEBUG_l(a)
3699# define DEBUG_t(a)
3700# define DEBUG_o(a)
3701# define DEBUG_c(a)
3702# define DEBUG_P(a)
3703# define DEBUG_m(a)
3704# define DEBUG_f(a)
3705# define DEBUG_r(a)
3706# define DEBUG_x(a)
3707# define DEBUG_u(a)
88d2d28a 3708# define DEBUG_U(a)
aea4f609
DM
3709# define DEBUG_H(a)
3710# define DEBUG_X(a)
3711# define DEBUG_D(a)
56967202 3712# define DEBUG_S(a)
aea4f609 3713# define DEBUG_T(a)
04932ac8 3714# define DEBUG_R(a)
d6721266 3715# define DEBUG_v(a)
46187eeb 3716# define DEBUG_C(a)
ecae49c0
NC
3717# define DEBUG_A(a)
3718# define DEBUG_q(a)
d7c0d282 3719# define DEBUG_M(a)
cc8773c0 3720# define DEBUG_B(a)
7949c6f5
JC
3721# define DEBUG_Xv(a)
3722# define DEBUG_Uv(a)
ad9e76a8 3723# define DEBUG_Pv(a)
aea4f609
DM
3724#endif /* DEBUGGING */
3725
3726
b4ab917c 3727#define DEBUG_SCOPE(where) \
d9f81b50 3728 DEBUG_l( \
1c98cc53
DM
3729 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3730 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3731 __FILE__, __LINE__));
b4ab917c 3732
de84dc04
NC
3733#if defined(DEBUGGING) && defined(I_ASSERT)
3734# include <assert.h>
3735#endif
3736
3737/* Keep the old croak based assert for t