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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
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
760ac839
LW
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
12ae5dfc
JH
31# include "uconfig.h"
32#else
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VK
33# ifndef USE_CROSS_COMPILE
34# include "config.h"
35# else
36# include "xconfig.h"
37# endif
12ae5dfc 38#endif
0cb96387 39
2c2d71f5
JH
40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH
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
GS
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
97aff369
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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__
27da23d5
JH
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. *
27da23d5
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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)
10bc17b6
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101# define USE_REENTRANT_API
102#endif
103
ac6bedea
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104/* <--- here ends the logic shared by perl.h and makedef.pl */
105
af28e889 106/*
6239f2da
JH
107 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
108 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
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)
af28e889
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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
27da23d5
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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
4373e329
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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
c5be433b
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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))
2fdbfb4d
AB
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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AB
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))
192b9cd1
AB
253
254#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB
256
257#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB
259
260#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB
262
263#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB
265
266#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB
268
269#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
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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)
192b9cd1
AB
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) \
f8149455
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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
SH
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
AMS
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
349b520e
DM
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
AL
332# endif
333#endif
53c1dcc0
AL
334#ifndef PERL_UNUSED_VAR
335# define PERL_UNUSED_VAR(x) ((void)x)
336#endif
ad73156c 337
96a5add6
AL
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
bafdc25d
NC
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. */
7db66e12
CB
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
e8dda941
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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 */
0cb96387
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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
0cb96387
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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
0cb96387
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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
GS
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
GS
390#endif
391
392#ifndef pTHXx
5aaab254 393# define pTHXx PerlInterpreter *my_perl
0cb96387 394# define pTHXx_ pTHXx,
0cb96387
GS
395# define aTHXx my_perl
396# define aTHXx_ aTHXx,
c5be433b 397# define dTHXx dTHX
22c35a8c 398#endif
71be2cbc 399
1de7c2ac
GS
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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JH
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
1de7c2ac
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415#endif
416
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JH
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
a0c21aa1
JH
423# ifdef __cplusplus
424# define PERL_EXPORT_C extern "C"
425# else
426# define PERL_EXPORT_C extern
427# endif
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JH
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
27da23d5
JH
435#endif
436
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MB
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));
462e5cf6
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
JH
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
694# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
695 && defined(HAS_STRXFRM)
696# define USE_LOCALE_COLLATE
697# endif
698# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
699# define USE_LOCALE_CTYPE
700# endif
701# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
702# define USE_LOCALE_NUMERIC
703# endif
704#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 705
fe14fcc3 706#include <setjmp.h>
79072805 707
a0d0e21e 708#ifdef I_SYS_PARAM
79072805
LW
709# ifdef PARAM_NEEDS_TYPES
710# include <sys/types.h>
711# endif
712# include <sys/param.h>
352d5a3a 713#endif
79072805 714
79072805 715/* Use all the "standard" definitions? */
a0d0e21e 716#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 717# include <stdlib.h>
ff68c719 718#endif
03a14243 719
3f270f98
JH
720/* If this causes problems, set i_unistd=undef in the hint file. */
721#ifdef I_UNISTD
722# include <unistd.h>
723#endif
724
de8ca8af
NT
725/* for WCOREDUMP */
726#ifdef I_SYS_WAIT
727# include <sys/wait.h>
728#endif
729
9969cdde 730#ifdef __SYMBIAN32__
27da23d5
JH
731# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
732#endif
733
7114a2d2 734#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 735EXTERN_C int syscall(int, ...);
2ef53570
JH
736#endif
737
7114a2d2 738#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 739EXTERN_C int usleep(unsigned int);
2ef53570
JH
740#endif
741
1109a392
MHM
742#ifdef PERL_CORE
743
744/* macros for correct constant construction */
745# if INTSIZE >= 2
746# define U16_CONST(x) ((U16)x##U)
747# else
748# define U16_CONST(x) ((U16)x##UL)
749# endif
750
751# if INTSIZE >= 4
752# define U32_CONST(x) ((U32)x##U)
753# else
754# define U32_CONST(x) ((U32)x##UL)
755# endif
756
757# ifdef HAS_QUAD
758# if INTSIZE >= 8
759# define U64_CONST(x) ((U64)x##U)
760# elif LONGSIZE >= 8
761# define U64_CONST(x) ((U64)x##UL)
762# elif QUADKIND == QUAD_IS_LONG_LONG
763# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
764# elif QUADKIND == QUAD_IS___INT64
765# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
766# else /* best guess we can make */
767# define U64_CONST(x) ((U64)x##UL)
768# endif
769# endif
770
771/* byte-swapping functions for big-/little-endian conversion */
772# define _swab_16_(x) ((U16)( \
773 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
774 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
775
776# define _swab_32_(x) ((U32)( \
777 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
778 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
779 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
780 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
781
782# ifdef HAS_QUAD
783# define _swab_64_(x) ((U64)( \
784 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
785 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
786 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
787 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
788 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
789 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
790 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
791 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
792# endif
793
9c17f24a
NC
794/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
795 at least on FreeBSD. YMMV, so experiment. */
796#ifndef PERL_ARENA_SIZE
797#define PERL_ARENA_SIZE 4080
798#endif
799
ccb2c8b8 800/* Maximum level of recursion */
2b9dff67
RGS
801#ifndef PERL_SUB_DEPTH_WARN
802#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
803#endif
804
1109a392
MHM
805#endif /* PERL_CORE */
806
bdf3085f
NC
807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
7459f06b
NC
810# ifndef PERL_DONT_CREATE_GVSV
811# define PERL_DONT_CREATE_GVSV
812# endif
bdf3085f
NC
813#endif
814
ca0c25f6
NC
815#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
816#define PERL_USES_PL_PIDSTATUS
817#endif
818
739a0b84 819#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
820#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
821#endif
822
c31fac66
GS
823#define MEM_SIZE Size_t
824
1936d2a7
NC
825/* Round all values passed to malloc up, by default to a multiple of
826 sizeof(size_t)
827*/
828#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
829#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
830#endif
831
f1200559
WH
832/* sv_grow() will expand strings by at least a certain percentage of
833 the previously *used* length to avoid excessive calls to realloc().
834 The default is 25% of the current length.
835*/
836#ifndef PERL_STRLEN_EXPAND_SHIFT
837# define PERL_STRLEN_EXPAND_SHIFT 2
838#endif
839
51371543
GS
840#if defined(STANDARD_C) && defined(I_STDDEF)
841# include <stddef.h>
842# define STRUCT_OFFSET(s,m) offsetof(s,m)
843#else
844# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
845#endif
846
9969cdde 847#ifndef __SYMBIAN32__
27da23d5
JH
848# if defined(I_STRING) || defined(__cplusplus)
849# include <string.h>
850# else
851# include <strings.h>
852# endif
51371543
GS
853#endif
854
55497cff
PP
855/* This comes after <stdlib.h> so we don't try to change the standard
856 * library prototypes; we'll use our own in proto.h instead. */
03a14243 857
4633a7c4 858#ifdef MYMALLOC
86058a2d 859# ifdef PERL_POLLUTE_MALLOC
ee13e175 860# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
861# define Perl_malloc malloc
862# define Perl_calloc calloc
863# define Perl_realloc realloc
864# define Perl_mfree free
ee13e175 865# endif
86058a2d
GS
866# else
867# define EMBEDMYMALLOC /* for compatibility */
868# endif
827e134a 869
651b9576
GS
870# define safemalloc Perl_malloc
871# define safecalloc Perl_calloc
872# define saferealloc Perl_realloc
873# define safefree Perl_mfree
22f7c9c9
JH
874# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
875 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
876 code; \
877 } STMT_END
878# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
879 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
880# define panic_write2(s) write(2, s, strlen(s))
881# define CHECK_MALLOC_TAINT(newval) \
882 CHECK_MALLOC_TOO_LATE_FOR_( \
883 if (newval) { \
884 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
885 exit(1); })
22f7c9c9 886# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 887 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
888 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
889 }} STMT_END;
f2517201
GS
890#else /* MYMALLOC */
891# define safemalloc safesysmalloc
892# define safecalloc safesyscalloc
893# define saferealloc safesysrealloc
894# define safefree safesysfree
22f7c9c9
JH
895# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
896# define CHECK_MALLOC_TAINT(newval) ((void)0)
897# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 898#endif /* MYMALLOC */
4633a7c4 899
fe13d51d 900/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 901#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
902#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
903#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
904#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
905
a0d0e21e
LW
906#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
907#define strchr index
908#define strrchr rindex
909#endif
910
16d20bd9
AD
911#ifdef I_MEMORY
912# include <memory.h>
913#endif
914
fe14fcc3 915#ifdef HAS_MEMCPY
85e6fe83 916# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 917# ifndef memcpy
20ce7b12 918 extern char * memcpy (char*, char*, int);
ee0007ab
LW
919# endif
920# endif
921#else
922# ifndef memcpy
923# ifdef HAS_BCOPY
924# define memcpy(d,s,l) bcopy(s,d,l)
925# else
926# define memcpy(d,s,l) my_bcopy(s,d,l)
927# endif
928# endif
929#endif /* HAS_MEMCPY */
fe14fcc3 930
ee0007ab 931#ifdef HAS_MEMSET
85e6fe83 932# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 933# ifndef memset
20ce7b12 934 extern char *memset (char*, int, int);
ee0007ab
LW
935# endif
936# endif
ee0007ab 937#else
12ae5dfc 938# undef memset
fc36a67e 939# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
940#endif /* HAS_MEMSET */
941
85e6fe83 942#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 943# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
944# define memmove(d,s,l) bcopy(s,d,l)
945# else
2304df62 946# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 947# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 948# else
79072805 949# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 950# endif
352d5a3a 951# endif
d9d8d8de 952#endif
ee0007ab 953
36477c24
PP
954#if defined(mips) && defined(ultrix) && !defined(__STDC__)
955# undef HAS_MEMCMP
956#endif
957
958#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 959# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 960# ifndef memcmp
20ce7b12 961 extern int memcmp (char*, char*, int);
ee0007ab
LW
962# endif
963# endif
36477c24 964# ifdef BUGGY_MSC
7e4e8c89 965# pragma function(memcmp)
36477c24 966# endif
ee0007ab
LW
967#else
968# ifndef memcmp
ecfc5424 969# define memcmp my_memcmp
352d5a3a 970# endif
36477c24 971#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 972
fc36a67e 973#ifndef memzero
c635e13b
PP
974# ifdef HAS_MEMSET
975# define memzero(d,l) memset(d,0,l)
79072805 976# else
c635e13b
PP
977# ifdef HAS_BZERO
978# define memzero(d,l) bzero(d,l)
79072805 979# else
fc36a67e 980# define memzero(d,l) my_bzero(d,l)
79072805
LW
981# endif
982# endif
d9d8d8de 983#endif
378cc40b 984
2f42fcb0 985#ifndef PERL_MICRO
0f27ced1
JH
986#ifndef memchr
987# ifndef HAS_MEMCHR
988# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
989# endif
990#endif
2f42fcb0 991#endif
0f27ced1 992
36477c24
PP
993#ifndef HAS_BCMP
994# ifndef bcmp
995# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 996# endif
36477c24 997#endif /* !HAS_BCMP */
378cc40b 998
ae986130 999#ifdef I_NETINET_IN
79072805 1000# include <netinet/in.h>
ae986130
LW
1001#endif
1002
28e8609d
JH
1003#ifdef I_ARPA_INET
1004# include <arpa/inet.h>
1005#endif
1006
84902520
TB
1007#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1008/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1009 * (the neo-BSD seem to do this). */
1010# undef SF_APPEND
1011#endif
1012
1aef975c 1013#ifdef I_SYS_STAT
84902520 1014# include <sys/stat.h>
1aef975c 1015#endif
79072805 1016
287a962e
JD
1017/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1018 This definition should ideally go into win32/win32.h, but S_IFIFO is
1019 used later here in perl.h before win32/win32.h is being included. */
1020#if !defined(S_IFIFO) && defined(_S_IFIFO)
1021# define S_IFIFO _S_IFIFO
1022#endif
1023
cc3315ba 1024/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1025 like UTekV) are broken, sometimes giving false positives. Undefine
1026 them here and let the code below set them to proper values.
1027
1028 The ghs macro stands for GreenHills Software C-1.8.5 which
1029 is the C compiler for sysV88 and the various derivatives.
1030 This header file bug is corrected in gcc-2.5.8 and later versions.
1031 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1032
cc3315ba 1033#if defined(m88k) && defined(ghs)
79072805
LW
1034# undef S_ISDIR
1035# undef S_ISCHR
1036# undef S_ISBLK
1037# undef S_ISREG
1038# undef S_ISFIFO
1039# undef S_ISLNK
ee0007ab 1040#endif
135863df 1041
663a0e37
LW
1042#ifdef I_TIME
1043# include <time.h>
ffed7fef 1044#endif
663a0e37 1045
fe14fcc3 1046#ifdef I_SYS_TIME
85e6fe83 1047# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1048# define KERNEL
1049# endif
1050# include <sys/time.h>
85e6fe83 1051# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1052# undef KERNEL
1053# endif
a687059c 1054#endif
135863df 1055
55497cff 1056#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1057# include <sys/times.h>
d9d8d8de 1058#endif
8d063cd8 1059
fe14fcc3 1060#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1061# undef HAS_STRERROR
663a0e37
LW
1062#endif
1063
1064#include <errno.h>
1e743fda 1065
acfe0abc 1066#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1067# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1068#endif
1069
8cfab5ff 1070/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1071 * This is important for using IPv6.
8cfab5ff
JH
1072 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1073 * a bad idea since it breaks send() and recv(). */
1074#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1075# define _SOCKADDR_LEN
1076#endif
1077
da70cfc6 1078#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1079# include <sys/socket.h>
1080# if defined(USE_SOCKS) && defined(I_SOCKS)
1081# if !defined(INCLUDE_PROTOTYPES)
1082# define INCLUDE_PROTOTYPES /* for <socks.h> */
1083# define PERL_SOCKS_NEED_PROTOTYPES
1084# endif
1085# include <socks.h>
1086# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1087# undef INCLUDE_PROTOTYPES
1088# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1089# endif
d460ef45 1090# endif
1e743fda 1091# ifdef I_NETDB
2986a63f
JH
1092# ifdef NETWARE
1093# include<stdio.h>
1094# endif
1e743fda
JH
1095# include <netdb.h>
1096# endif
1097# ifndef ENOTSOCK
1098# ifdef I_NET_ERRNO
1099# include <net/errno.h>
1100# endif
1101# endif
1102#endif
1103
fa0a29af 1104/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1105 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1106 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1107#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1108# if defined(__THROW) && defined(__GLIBC__)
1109int sockatmark(int) __THROW;
1110# else
2ef53570 1111int sockatmark(int);
29820b6d 1112# endif
2ef53570
JH
1113#endif
1114
7e827271 1115#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
1116EXTERN_C int fchdir(int);
1117EXTERN_C int flock(int, int);
1118EXTERN_C int fseeko(FILE *, off_t, int);
1119EXTERN_C off_t ftello(FILE *);
1120#endif
1121
7e827271 1122#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1123EXTERN_C char *crypt(const char *, const char *);
7e827271 1124EXTERN_C char **environ;
1ccb7c8d
JH
1125#endif
1126
83a6ff2e 1127#if defined(__cplusplus)
944c4fda 1128# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1129EXTERN_C char **environ;
83a6ff2e 1130# elif defined(__CYGWIN__)
667e2948
SP
1131EXTERN_C char *crypt(const char *, const char *);
1132#endif
83a6ff2e 1133#endif
667e2948 1134
1e743fda
JH
1135#ifdef SETERRNO
1136# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1137#endif
f86702cc
PP
1138
1139#ifdef VMS
1140# define SETERRNO(errcode,vmserrcode) \
1141 STMT_START { \
1142 set_errno(errcode); \
1143 set_vaxc_errno(vmserrcode); \
1144 } STMT_END
4ee39169
CS
1145# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1146# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1147# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1148# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1149
93189314
JH
1150# define LIB_INVARG LIB$_INVARG
1151# define RMS_DIR RMS$_DIR
1152# define RMS_FAC RMS$_FAC
1153# define RMS_FEX RMS$_FEX
1154# define RMS_FNF RMS$_FNF
1155# define RMS_IFI RMS$_IFI
1156# define RMS_ISI RMS$_ISI
1157# define RMS_PRV RMS$_PRV
1158# define SS_ACCVIO SS$_ACCVIO
1159# define SS_DEVOFFLINE SS$_DEVOFFLINE
1160# define SS_IVCHAN SS$_IVCHAN
1161# define SS_NORMAL SS$_NORMAL
748a9306 1162#else
aba27d88 1163# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS
1164# define dSAVEDERRNO int saved_errno
1165# define dSAVE_ERRNO int saved_errno = errno
1166# define SAVE_ERRNO (saved_errno = errno)
1167# define RESTORE_ERRNO (errno = saved_errno)
1168
93189314
JH
1169# define LIB_INVARG 0
1170# define RMS_DIR 0
1171# define RMS_FAC 0
1172# define RMS_FEX 0
1173# define RMS_FNF 0
1174# define RMS_IFI 0
1175# define RMS_ISI 0
1176# define RMS_PRV 0
1177# define SS_ACCVIO 0
1178# define SS_DEVOFFLINE 0
1179# define SS_IVCHAN 0
1180# define SS_NORMAL 0
748a9306 1181#endif
ed6116ce 1182
f5fa9033 1183#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1184
1185#define CLEAR_ERRSV() STMT_START { \
1186 if (!GvSV(PL_errgv)) { \
1187 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1188 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1189 SvREFCNT_dec(GvSV(PL_errgv)); \
1190 GvSV(PL_errgv) = newSVpvs(""); \
1191 } else { \
1192 SV *const errsv = GvSV(PL_errgv); \
1193 sv_setpvs(errsv, ""); \
1194 if (SvMAGICAL(errsv)) { \
1195 mg_free(errsv); \
1196 } \
1197 SvPOK_only(errsv); \
1198 } \
1199 } STMT_END
1200
1201
414bf5ae
MHM
1202#ifdef PERL_CORE
1203# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1204# define DEFSV_set(sv) \
1205 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1206# define SAVE_DEFSV \
1207 ( \
1208 save_gp(PL_defgv, 0), \
1209 GvINTRO_off(PL_defgv), \
1210 SAVEGENERICSV(GvSV(PL_defgv)), \
1211 GvSV(PL_defgv) = NULL \
1212 )
414bf5ae
MHM
1213#else
1214# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1215# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1216# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1217#endif
38a03e6e 1218
98eae8f5
GS
1219#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1220
55497cff 1221#ifndef errno
5ff3f7a4
GS
1222 extern int errno; /* ANSI allows errno to be an lvalue expr.
1223 * For example in multithreaded environments
1224 * something like this might happen:
1225 * extern int *_errno(void);
1226 * #define errno (*_errno()) */
d9d8d8de 1227#endif
663a0e37 1228
2304df62 1229#ifdef HAS_STRERROR
2242159b 1230#ifndef DONT_DECLARE_STD
a0d0e21e 1231# ifdef VMS
20ce7b12 1232 char *strerror (int,...);
a0d0e21e 1233# else
20ce7b12 1234 char *strerror (int);
a0d0e21e 1235# endif
2242159b 1236#endif
2304df62
AD
1237# ifndef Strerror
1238# define Strerror strerror
1239# endif
1240#else
1241# ifdef HAS_SYS_ERRLIST
79072805
LW
1242 extern int sys_nerr;
1243 extern char *sys_errlist[];
2304df62
AD
1244# ifndef Strerror
1245# define Strerror(e) \
79072805 1246 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1247# endif
79072805 1248# endif
35c8bce7 1249#endif
663a0e37 1250
2304df62 1251#ifdef I_SYS_IOCTL
79072805
LW
1252# ifndef _IOCTL_
1253# include <sys/ioctl.h>
1254# endif
a687059c
LW
1255#endif
1256
ee0007ab 1257#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1258# ifdef HAS_SOCKETPAIR
1259# undef HAS_SOCKETPAIR
1260# endif
2304df62
AD
1261# ifdef I_NDBM
1262# undef I_NDBM
79072805 1263# endif
a687059c
LW
1264#endif
1265
02fc2eee
NC
1266#ifndef HAS_SOCKETPAIR
1267# ifdef HAS_SOCKET
1268# define socketpair Perl_my_socketpair
1269# endif
1270#endif
1271
a687059c 1272#if INTSIZE == 2
79072805
LW
1273# define htoni htons
1274# define ntohi ntohs
a687059c 1275#else
79072805
LW
1276# define htoni htonl
1277# define ntohi ntohl
a687059c
LW
1278#endif
1279
a0d0e21e 1280/* Configure already sets Direntry_t */
35c8bce7 1281#if defined(I_DIRENT)
663a0e37 1282# include <dirent.h>
8f1f23e8
W
1283 /* NeXT needs dirent + sys/dir.h */
1284# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1285# include <sys/dir.h>
1286# endif
ae986130 1287#else
fe14fcc3 1288# ifdef I_SYS_NDIR
79a0689e 1289# include <sys/ndir.h>
663a0e37 1290# else
fe14fcc3 1291# ifdef I_SYS_DIR
79a0689e
LW
1292# ifdef hp9000s500
1293# include <ndir.h> /* may be wrong in the future */
1294# else
1295# include <sys/dir.h>
1296# endif
663a0e37
LW
1297# endif
1298# endif
4633a7c4 1299#endif
a687059c 1300
12ae5dfc
JH
1301#ifdef PERL_MICRO
1302# ifndef DIR
1303# define DIR void
1304# endif
1305#endif
1306
352d5a3a
LW
1307#ifdef FPUTS_BOTCH
1308/* work around botch in SunOS 4.0.1 and 4.0.2 */
1309# ifndef fputs
79072805 1310# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1311# endif
1312#endif
1313
c623bd54
LW
1314/*
1315 * The following gobbledygook brought to you on behalf of __STDC__.
1316 * (I could just use #ifndef __STDC__, but this is more bulletproof
1317 * in the face of half-implementations.)
1318 */
1319
7114a2d2 1320#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1321#include <sys/mode.h>
1322#endif
1323
c623bd54
LW
1324#ifndef S_IFMT
1325# ifdef _S_IFMT
1326# define S_IFMT _S_IFMT
1327# else
1328# define S_IFMT 0170000
1329# endif
1330#endif
1331
1332#ifndef S_ISDIR
1333# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1334#endif
1335
1336#ifndef S_ISCHR
1337# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1338#endif
1339
1340#ifndef S_ISBLK
fe14fcc3
LW
1341# ifdef S_IFBLK
1342# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1343# else
1344# define S_ISBLK(m) (0)
1345# endif
c623bd54
LW
1346#endif
1347
1348#ifndef S_ISREG
1349# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1350#endif
1351
1352#ifndef S_ISFIFO
fe14fcc3
LW
1353# ifdef S_IFIFO
1354# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1355# else
1356# define S_ISFIFO(m) (0)
1357# endif
c623bd54
LW
1358#endif
1359
1360#ifndef S_ISLNK
1361# ifdef _S_ISLNK
1362# define S_ISLNK(m) _S_ISLNK(m)
1363# else
1364# ifdef _S_IFLNK
1365# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1366# else
1367# ifdef S_IFLNK
1368# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1369# else
1370# define S_ISLNK(m) (0)
1371# endif
1372# endif
1373# endif
1374#endif
1375
1376#ifndef S_ISSOCK
1377# ifdef _S_ISSOCK
1378# define S_ISSOCK(m) _S_ISSOCK(m)
1379# else
1380# ifdef _S_IFSOCK
1381# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1382# else
1383# ifdef S_IFSOCK
1384# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1385# else
1386# define S_ISSOCK(m) (0)
1387# endif
1388# endif
1389# endif
1390#endif
1391
1392#ifndef S_IRUSR
1393# ifdef S_IREAD
1394# define S_IRUSR S_IREAD
1395# define S_IWUSR S_IWRITE
1396# define S_IXUSR S_IEXEC
1397# else
1398# define S_IRUSR 0400
1399# define S_IWUSR 0200
1400# define S_IXUSR 0100
1401# endif
fac7cdfc 1402#endif
1403
1404#ifndef S_IRGRP
1405# ifdef S_IRUSR
1406# define S_IRGRP (S_IRUSR>>3)
1407# define S_IWGRP (S_IWUSR>>3)
1408# define S_IXGRP (S_IXUSR>>3)
1409# else
1410# define S_IRGRP 0040
1411# define S_IWGRP 0020
1412# define S_IXGRP 0010
1413# endif
1414#endif
1415
1416#ifndef S_IROTH
1417# ifdef S_IRUSR
1418# define S_IROTH (S_IRUSR>>6)
1419# define S_IWOTH (S_IWUSR>>6)
1420# define S_IXOTH (S_IXUSR>>6)
1421# else
1422# define S_IROTH 0040
1423# define S_IWOTH 0020
1424# define S_IXOTH 0010
1425# endif
c623bd54
LW
1426#endif
1427
1428#ifndef S_ISUID
1429# define S_ISUID 04000
1430#endif
1431
1432#ifndef S_ISGID
1433# define S_ISGID 02000
1434#endif
1435
ca6e1c26
JH
1436#ifndef S_IRWXU
1437# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1438#endif
ca6e1c26
JH
1439
1440#ifndef S_IRWXG
1441# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1442#endif
ca6e1c26
JH
1443
1444#ifndef S_IRWXO
1445# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1446#endif
ca6e1c26 1447
b6c36746 1448/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1449 * which would get included through <sys/file.h >, but that is 3000
1450 * lines in the future. --jhi */
1451
b6c36746 1452#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1453# define S_IREAD S_IRUSR
1454#endif
1455
b6c36746 1456#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1457# define S_IWRITE S_IWUSR
1458#endif
1459
1460#ifndef S_IEXEC
1461# define S_IEXEC S_IXUSR
1462#endif
1463
79072805
LW
1464#ifdef ff_next
1465# undef ff_next
352d5a3a
LW
1466#endif
1467
a0d0e21e 1468#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1469# define SLOPPYDIVIDE
1470#endif
1471
748a9306
LW
1472#ifdef UV
1473#undef UV
1474#endif
1475
ce582cee
NC
1476/* For the times when you want the return value of sprintf, and you want it
1477 to be the length. Can't have a thread variable passed in, because C89 has
1478 no varargs macros.
1479*/
1480#ifdef SPRINTF_RETURNS_STRLEN
1481# define my_sprintf sprintf
1482#else
1483# define my_sprintf Perl_my_sprintf
1484#endif
1485
5b692037
JH
1486/*
1487 * If we have v?snprintf() and the C99 variadic macros, we can just
1488 * use just the v?snprintf(). It is nice to try to trap the buffer
1489 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1490 * gcc statement expressions, then use the function wrappers which try
1491 * to trap the overflow. If we can use the gcc statement expressions,
1492 * we can try that even with the version that uses the C99 variadic
1493 * macros.
5b692037
JH
1494 */
1495
1208b3dd
JH
1496/* Note that we do not check against snprintf()/vsnprintf() returning
1497 * negative values because that is non-standard behaviour and we use
1498 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1499 * that should be true only if the snprintf()/vsnprintf() are true
1500 * to the standard. */
1501
dfeee9b1 1502#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1503# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1504# 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 1505# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1506# else
1507# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1508# endif
1509#else
1510# define my_snprintf Perl_my_snprintf
1208b3dd 1511# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1512#endif
1513
dfeee9b1 1514#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1515# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1516# 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 1517# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1518# else
1519# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1520# endif
1521#else
1522# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1523# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1524#endif
d9fad198 1525
a6cc4119
SP
1526#ifdef HAS_STRLCAT
1527# define my_strlcat strlcat
1528#else
1529# define my_strlcat Perl_my_strlcat
1530#endif
1531
1532#ifdef HAS_STRLCPY
1533# define my_strlcpy strlcpy
1534#else
1535# define my_strlcpy Perl_my_strlcpy
1536#endif
1537
05f13f53 1538/*
27d4fb96
PP
1539 The IV type is supposed to be long enough to hold any integral
1540 value or a pointer.
1541 --Andy Dougherty August 1996
1542*/
1543
a22e52b9
JH
1544typedef IVTYPE IV;
1545typedef UVTYPE UV;
8175356b 1546
10cc9d2a 1547#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1548# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1549# define IV_MAX INT64_MAX
1550# define IV_MIN INT64_MIN
1551# define UV_MAX UINT64_MAX
cae7ae48
JH
1552# ifndef UINT64_MIN
1553# define UINT64_MIN 0
1554# endif
5ff3f7a4
GS
1555# define UV_MIN UINT64_MIN
1556# else
1557# define IV_MAX PERL_QUAD_MAX
1558# define IV_MIN PERL_QUAD_MIN
1559# define UV_MAX PERL_UQUAD_MAX
1560# define UV_MIN PERL_UQUAD_MIN
1561# endif
cf2093f6
JH
1562# define IV_IS_QUAD
1563# define UV_IS_QUAD
79072805 1564#else
8175356b 1565# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1566# define IV_MAX INT32_MAX
1567# define IV_MIN INT32_MIN
716026f9
DL
1568# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1569# define UV_MAX UINT32_MAX
1570# else
1571# define UV_MAX 4294967295U
1572# endif
cae7ae48
JH
1573# ifndef UINT32_MIN
1574# define UINT32_MIN 0
1575# endif
5ff3f7a4
GS
1576# define UV_MIN UINT32_MIN
1577# else
1578# define IV_MAX PERL_LONG_MAX
1579# define IV_MIN PERL_LONG_MIN
1580# define UV_MAX PERL_ULONG_MAX
1581# define UV_MIN PERL_ULONG_MIN
1582# endif
8175356b 1583# if IVSIZE == 8
cf2093f6
JH
1584# define IV_IS_QUAD
1585# define UV_IS_QUAD
de1c2614
JH
1586# ifndef HAS_QUAD
1587# define HAS_QUAD
1588# endif
cf2093f6
JH
1589# else
1590# undef IV_IS_QUAD
1591# undef UV_IS_QUAD
de1c2614 1592# undef HAS_QUAD
cf2093f6 1593# endif
79072805 1594#endif
d7d93a81 1595
1109a392
MHM
1596#ifndef HAS_QUAD
1597# undef PERL_NEED_MY_HTOLE64
1598# undef PERL_NEED_MY_LETOH64
1599# undef PERL_NEED_MY_HTOBE64
1600# undef PERL_NEED_MY_BETOH64
1601#endif
1602
cae7ae48 1603#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1604#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1605
28e5dec8 1606#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1607#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1608#endif
1609
d460ef45 1610/*
26bb67e2
JH
1611 * The macros INT2PTR and NUM2PTR are (despite their names)
1612 * bi-directional: they will convert int/float to or from pointers.
1613 * However the conversion to int/float are named explicitly:
1614 * PTR2IV, PTR2UV, PTR2NV.
1615 *
1616 * For int conversions we do not need two casts if pointers are
1617 * the same size as IV and UV. Otherwise we need an explicit
1618 * cast (PTRV) to avoid compiler warnings.
1619 */
56431972
RB
1620#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1621# define PTRV UV
1622# define INT2PTR(any,d) (any)(d)
1623#else
d460ef45 1624# if PTRSIZE == LONGSIZE
56431972 1625# define PTRV unsigned long
e91e3b10 1626# define PTR2ul(p) (unsigned long)(p)
42718184 1627# else
56431972 1628# define PTRV unsigned
42718184 1629# endif
e91e3b10
RB
1630#endif
1631
1632#ifndef INT2PTR
56431972 1633# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1634#endif
e91e3b10
RB
1635
1636#ifndef PTR2ul
1637# define PTR2ul(p) INT2PTR(unsigned long,p)
1638#endif
1639
56431972
RB
1640#define NUM2PTR(any,d) (any)(PTRV)(d)
1641#define PTR2IV(p) INT2PTR(IV,p)
1642#define PTR2UV(p) INT2PTR(UV,p)
1643#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1644#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1645
8141890a
JH
1646/* According to strict ANSI C89 one cannot freely cast between
1647 * data pointers and function (code) pointers. There are at least
1648 * two ways around this. One (used below) is to do two casts,
1649 * first the other pointer to an (unsigned) integer, and then
1650 * the integer to the other pointer. The other way would be
1651 * to use unions to "overlay" the pointers. For an example of
1652 * the latter technique, see union dirpu in struct xpvio in sv.h.
1653 * The only feasible use is probably temporarily storing
1654 * function pointers in a data pointer (such as a void pointer). */
1655
e91e3b10
RB
1656#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1657#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1658
65202027 1659#ifdef USE_LONG_DOUBLE
1048ea30
JH
1660# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1661# define LONG_DOUBLE_EQUALS_DOUBLE
1662# endif
68d4903c 1663# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1664# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1665# endif
1666#endif
1667
2d4389e4
JH
1668#ifdef OVR_DBL_DIG
1669/* Use an overridden DBL_DIG */
1670# ifdef DBL_DIG
1671# undef DBL_DIG
1672# endif
1673# define DBL_DIG OVR_DBL_DIG
1674#else
1675/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1676 default value for printing floating point numbers in Gconvert
1677 (see config.h). (It also has other uses, such as figuring out if
1678 a given precision of printing can be done with a double instead of
1679 a long double - Allen).
2d4389e4
JH
1680*/
1681#ifdef I_LIMITS
1682#include <limits.h>
1683#endif
1684#ifdef I_FLOAT
1685#include <float.h>
1686#endif
1687#ifndef HAS_DBL_DIG
1688#define DBL_DIG 15 /* A guess that works lots of places */
1689#endif
1690#endif
1691
1692#ifdef OVR_LDBL_DIG
1693/* Use an overridden LDBL_DIG */
1694# ifdef LDBL_DIG
1695# undef LDBL_DIG
1696# endif
1697# define LDBL_DIG OVR_LDBL_DIG
1698#else
1699/* The following is all to get LDBL_DIG, in order to pick a nice
1700 default value for printing floating point numbers in Gconvert.
1701 (see config.h)
1702*/
68d4903c
JH
1703# ifdef I_LIMITS
1704# include <limits.h>
1705# endif
1706# ifdef I_FLOAT
1707# include <float.h>
1708# endif
1709# ifndef HAS_LDBL_DIG
1710# if LONG_DOUBLESIZE == 10
1711# define LDBL_DIG 18 /* assume IEEE */
1712# else
1713# if LONG_DOUBLESIZE == 12
1714# define LDBL_DIG 18 /* gcc? */
1715# else
1716# if LONG_DOUBLESIZE == 16
1717# define LDBL_DIG 33 /* assume IEEE */
1718# else
1719# if LONG_DOUBLESIZE == DOUBLESIZE
1720# define LDBL_DIG DBL_DIG /* bummer */
1721# endif
1722# endif
1723# endif
1724# endif
1725# endif
2d4389e4
JH
1726#endif
1727
20f6aaab
AS
1728/*
1729 * This is for making sure we have a good DBL_MAX value, if possible,
1730 * either for usage as NV_MAX or for usage in figuring out if we can
1731 * fit a given long double into a double, if bug-fixing makes it
1732 * necessary to do so. - Allen <allens@cpan.org>
1733 */
1734
205f51d8
AS
1735#ifdef I_LIMITS
1736# include <limits.h>
20f6aaab
AS
1737#endif
1738
205f51d8
AS
1739#ifdef I_VALUES
1740# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1741# include <values.h>
1742# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1743# define DBL_MAX MAXDOUBLE
1744# endif
1745# if defined(MINDOUBLE) && !defined(DBL_MIN)
1746# define DBL_MIN MINDOUBLE
1747# endif
1748# endif
1749#endif /* defined(I_VALUES) */
1750
a22e52b9 1751typedef NVTYPE NV;
8175356b 1752
792d8dab
JH
1753#ifdef I_IEEEFP
1754# include <ieeefp.h>
1755#endif
923fc586 1756
65202027 1757#ifdef USE_LONG_DOUBLE
923fc586
JH
1758# ifdef I_SUNMATH
1759# include <sunmath.h>
1760# endif
2d4389e4 1761# define NV_DIG LDBL_DIG
d6c14000
JH
1762# ifdef LDBL_MANT_DIG
1763# define NV_MANT_DIG LDBL_MANT_DIG
1764# endif
06fc1729
JH
1765# ifdef LDBL_MIN
1766# define NV_MIN LDBL_MIN
1767# endif
1768# ifdef LDBL_MAX
1769# define NV_MAX LDBL_MAX
1770# endif
1771# ifdef LDBL_MIN_10_EXP
1772# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1773# endif
1774# ifdef LDBL_MAX_10_EXP
1775# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1776# endif
1777# ifdef LDBL_EPSILON
1778# define NV_EPSILON LDBL_EPSILON
1779# endif
f4a14a62
JH
1780# ifdef LDBL_MAX
1781# define NV_MAX LDBL_MAX
20f6aaab 1782/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1783# else
1784# ifdef HUGE_VALL
1785# define NV_MAX HUGE_VALL
1786# else
1787# ifdef HUGE_VAL
1788# define NV_MAX ((NV)HUGE_VAL)
1789# endif
1790# endif
1791# endif
68d4903c 1792# ifdef HAS_SQRTL
68d4903c
JH
1793# define Perl_cos cosl
1794# define Perl_sin sinl
1795# define Perl_sqrt sqrtl
1796# define Perl_exp expl
1797# define Perl_log logl
1798# define Perl_atan2 atan2l
1799# define Perl_pow powl
1800# define Perl_floor floorl
1bbae031 1801# define Perl_ceil ceill
68d4903c
JH
1802# define Perl_fmod fmodl
1803# endif
a3540c92
JH
1804/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1805# ifdef HAS_MODFL
1806# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1807/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1808 prototype in <math.h> */
1809# ifndef HAS_MODFL_PROTO
a221a8a5 1810EXTERN_C long double modfl(long double, long double *);
51997bc3 1811# endif
03476e8e
JH
1812# else
1813# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1814 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1815# define Perl_modf(x,y) Perl_my_modfl(x,y)
1816# endif
a3540c92
JH
1817# endif
1818# ifdef HAS_FREXPL
dff3e0b8 1819# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1820# else
1821# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1822 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1823# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1824# endif
a3540c92 1825# endif
38dbb4c5 1826# ifndef Perl_isnan
758a5d79
JH
1827# ifdef HAS_ISNANL
1828# define Perl_isnan(x) isnanl(x)
1829# endif
1830# endif
1831# ifndef Perl_isinf
1832# ifdef HAS_FINITEL
1833# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1834# endif
1835# endif
65202027 1836#else
2d4389e4 1837# define NV_DIG DBL_DIG
d6c14000
JH
1838# ifdef DBL_MANT_DIG
1839# define NV_MANT_DIG DBL_MANT_DIG
1840# endif
06fc1729
JH
1841# ifdef DBL_MIN
1842# define NV_MIN DBL_MIN
1843# endif
1844# ifdef DBL_MAX
1845# define NV_MAX DBL_MAX
1846# endif
1847# ifdef DBL_MIN_10_EXP
1848# define NV_MIN_10_EXP DBL_MIN_10_EXP
1849# endif
1850# ifdef DBL_MAX_10_EXP
1851# define NV_MAX_10_EXP DBL_MAX_10_EXP
1852# endif
1853# ifdef DBL_EPSILON
1854# define NV_EPSILON DBL_EPSILON
1855# endif
205f51d8 1856# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1857# define NV_MAX DBL_MAX
1858# define NV_MIN DBL_MIN
1859# else
1860# ifdef HUGE_VAL
1861# define NV_MAX HUGE_VAL
1862# endif
1863# endif
65202027
DS
1864# define Perl_cos cos
1865# define Perl_sin sin
1866# define Perl_sqrt sqrt
1867# define Perl_exp exp
1868# define Perl_log log
1869# define Perl_atan2 atan2
1870# define Perl_pow pow
1871# define Perl_floor floor
1bbae031 1872# define Perl_ceil ceil
65202027 1873# define Perl_fmod fmod
a3540c92 1874# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1875# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1876#endif
1877
1878/* rumor has it that Win32 has _fpclass() */
1879
205f51d8
AS
1880/* SGI has fpclassl... but not with the same result values,
1881 * and it's via a typedef (not via #define), so will need to redo Configure
1882 * to use. Not worth the trouble, IMO, at least until the below is used
1883 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1884 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1885 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1886
758a5d79
JH
1887#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1888# ifdef I_IEEFP
1889# include <ieeefp.h>
1890# endif
1891# ifdef I_FP
1892# include <fp.h>
1893# endif
1894# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1895# define Perl_fp_class() fpclassl(x)
1896# else
1897# define Perl_fp_class() fpclass(x)
1898# endif
1899# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1900# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1901# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1902# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1903# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1904# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1905# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1906# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1907# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1908# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1909# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1910# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1911# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1912# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1913# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1914#endif
1915
7114a2d2 1916#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1917# include <math.h>
1918# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1919# include <fp_class.h>
1920# endif
1921# define Perl_fp_class(x) fp_class(x)
1922# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1923# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1924# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1925# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1926# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1927# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1928# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1929# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1930# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1931# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1932# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1933# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1934# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1935# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1936# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1937#endif
1938
1939#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1940# include <math.h>
1941# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1942# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1943# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1944# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1945# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1946# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1947#endif
1948
1949#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1950# include <math.h>
1951# ifndef _cplusplus
1952# define Perl_fp_class(x) class(x)
1953# else
1954# define Perl_fp_class(x) _class(x)
1955# endif
1956# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1957# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1958# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1959# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1960# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1961# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1962# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1963# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1964# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1965# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1966# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1967# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1968# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1969# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1970# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1971#endif
1972
1973/* rumor has it that Win32 has _isnan() */
1974
1975#ifndef Perl_isnan
a3540c92 1976# ifdef HAS_ISNAN
758a5d79
JH
1977# define Perl_isnan(x) isnan((NV)x)
1978# else
1979# ifdef Perl_fp_class_nan
1980# define Perl_isnan(x) Perl_fp_class_nan(x)
1981# else
1982# ifdef HAS_UNORDERED
1983# define Perl_isnan(x) unordered((x), 0.0)
1984# else
1985# define Perl_isnan(x) ((x)!=(x))
1986# endif
1987# endif
1988# endif
1989#endif
1990
ca6c63e1
JH
1991#ifdef UNDER_CE
1992int isnan(double d);
1993#endif
1994
758a5d79
JH
1995#ifndef Perl_isinf
1996# ifdef HAS_ISINF
1997# define Perl_isinf(x) isinf((NV)x)
a3540c92 1998# else
758a5d79
JH
1999# ifdef Perl_fp_class_inf
2000# define Perl_isinf(x) Perl_fp_class_inf(x)
2001# else
2002# define Perl_isinf(x) ((x)==NV_INF)
2003# endif
2004# endif
2005#endif
2006
2007#ifndef Perl_isfinite
2008# ifdef HAS_FINITE
2009# define Perl_isfinite(x) finite((NV)x)
2010# else
2011# ifdef HAS_ISFINITE
2012# define Perl_isfinite(x) isfinite(x)
2013# else
2014# ifdef Perl_fp_class_finite
2015# define Perl_isfinite(x) Perl_fp_class_finite(x)
2016# else
2017# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2018# endif
2019# endif
a3540c92 2020# endif
65202027
DS
2021#endif
2022
a36244b7
JH
2023/* The default is to use Perl's own atof() implementation (in numeric.c).
2024 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2025 * it is however best to use the native implementation of atof.
2026 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2027 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2028 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2029 * you may need to be using a different function than atof! */
a36244b7
JH
2030
2031#ifndef USE_PERL_ATOF
2032# ifndef _UNICOS
2033# define USE_PERL_ATOF
2034# endif
2035#else
2036# if USE_PERL_ATOF == 0
2037# undef USE_PERL_ATOF
2038# endif
2039#endif
2040
2041#ifdef USE_PERL_ATOF
2042# define Perl_atof(s) Perl_my_atof(s)
2043# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2044#else
2045# define Perl_atof(s) (NV)atof(s)
2046# define Perl_atof2(s, n) ((n) = atof(s))
2047#endif
cf2093f6 2048
d460ef45 2049/* Previously these definitions used hardcoded figures.
760ac839
LW
2050 * It is hoped these formula are more portable, although
2051 * no data one way or another is presently known to me.
2052 * The "PERL_" names are used because these calculated constants
2053 * do not meet the ANSI requirements for LONG_MAX, etc., which
2054 * need to be constants acceptable to #if - kja
2055 * define PERL_LONG_MAX 2147483647L
2056 * define PERL_LONG_MIN (-LONG_MAX - 1)
2057 * define PERL ULONG_MAX 4294967295L
2058 */
2059
2060#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2061# include <limits.h>
760ac839 2062#endif
205f51d8 2063/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2064 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2065
99abf803
PP
2066/*
2067 * Try to figure out max and min values for the integral types. THE CORRECT
2068 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2069 * following hacks are used if neither limits.h or values.h provide them:
2070 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2071 * for types < int: (unsigned TYPE)~(unsigned)0
2072 * The argument to ~ must be unsigned so that later signed->unsigned
2073 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2074 * and it must not be smaller than int because ~ does integral promotion.
2075 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2076 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2077 * The latter is a hack which happens to work on some machines but
2078 * does *not* catch any random system, or things like integer types
2079 * with NaN if that is possible.
2080 *
2081 * All of the types are explicitly cast to prevent accidental loss of
2082 * numeric range, and in the hope that they will be less likely to confuse
2083 * over-eager optimizers.
2084 *
2085 */
27d4fb96 2086
99abf803
PP
2087#define PERL_UCHAR_MIN ((unsigned char)0)
2088
2089#ifdef UCHAR_MAX
2090# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2091#else
99abf803
PP
2092# ifdef MAXUCHAR
2093# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2094# else
99abf803 2095# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2096# endif
2097#endif
d460ef45 2098
99abf803
PP
2099/*
2100 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2101 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2102 * depending on local options. Until Configure detects this (or at least
2103 * detects whether the "signed" keyword is available) the CHAR ranges
2104 * will not be included. UCHAR functions normally.
2105 * - kja
2106 */
27d4fb96 2107
99abf803
PP
2108#define PERL_USHORT_MIN ((unsigned short)0)
2109
2110#ifdef USHORT_MAX
2111# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2112#else
99abf803
PP
2113# ifdef MAXUSHORT
2114# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2115# else
ef2f54b0
CB
2116# ifdef USHRT_MAX
2117# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2118# else
2119# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2120# endif
27d4fb96
PP
2121# endif
2122#endif
2123
27d4fb96 2124#ifdef SHORT_MAX
99abf803 2125# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2126#else
2127# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2128# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2129# else
ef2f54b0
CB
2130# ifdef SHRT_MAX
2131# define PERL_SHORT_MAX ((short)SHRT_MAX)
2132# else
2133# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2134# endif
27d4fb96
PP
2135# endif
2136#endif
2137
2138#ifdef SHORT_MIN
99abf803 2139# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2140#else
2141# ifdef MINSHORT
99abf803 2142# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2143# else
ef2f54b0
CB
2144# ifdef SHRT_MIN
2145# define PERL_SHORT_MIN ((short)SHRT_MIN)
2146# else
2147# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2148# endif
27d4fb96
PP
2149# endif
2150#endif
2151
99abf803
PP
2152#ifdef UINT_MAX
2153# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2154#else
99abf803
PP
2155# ifdef MAXUINT
2156# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2157# else
99abf803 2158# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2159# endif
2160#endif
2161
99abf803 2162#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2163
2164#ifdef INT_MAX
99abf803 2165# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2166#else
2167# ifdef MAXINT /* Often used in <values.h> */
99abf803 2168# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2169# else
99abf803 2170# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2171# endif
2172#endif
2173
2174#ifdef INT_MIN
99abf803 2175# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2176#else
2177# ifdef MININT
99abf803 2178# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2179# else
2180# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2181# endif
2182#endif
2183
99abf803
PP
2184#ifdef ULONG_MAX
2185# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2186#else
99abf803
PP
2187# ifdef MAXULONG
2188# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2189# else
99abf803 2190# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2191# endif
2192#endif
2193
99abf803 2194#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2195
760ac839 2196#ifdef LONG_MAX
99abf803 2197# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2198#else
2199# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2200# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2201# else
99abf803 2202# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2203# endif
2204#endif
2205
2206#ifdef LONG_MIN
99abf803 2207# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2208#else
2209# ifdef MINLONG
99abf803 2210# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2211# else
27d4fb96 2212# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2213# endif
2214#endif
2215
d7d93a81 2216#ifdef UV_IS_QUAD
99abf803 2217
99abf803 2218# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2219# define PERL_UQUAD_MIN ((UV)0)
99abf803 2220# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2221# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2222
79072805
LW
2223#endif
2224
830247a4 2225struct RExC_state_t;
8e11feef 2226struct _reg_trie_data;
880b20b6 2227
ee0007ab 2228typedef MEM_SIZE STRLEN;
450a55e4 2229
598921a7
NC
2230#ifdef PERL_MAD
2231typedef struct token TOKEN;
2232typedef struct madprop MADPROP;
2233typedef struct nexttoken NEXTTOKE;
2234#endif
79072805
LW
2235typedef struct op OP;
2236typedef struct cop COP;
2237typedef struct unop UNOP;
2238typedef struct binop BINOP;
2239typedef struct listop LISTOP;
2240typedef struct logop LOGOP;
79072805
LW
2241typedef struct pmop PMOP;
2242typedef struct svop SVOP;
7934575e 2243typedef struct padop PADOP;
79072805 2244typedef struct pvop PVOP;
79072805
LW
2245typedef struct loop LOOP;
2246
7aef8e5b 2247#ifdef PERL_CORE
8be227ab
FC
2248typedef struct opslab OPSLAB;
2249typedef struct opslot OPSLOT;
2250#endif
2251
52db365a 2252typedef struct block_hooks BHK;
1830b3d9 2253typedef struct custom_op XOP;
52db365a 2254
cd1541b2
NC
2255typedef struct interpreter PerlInterpreter;
2256
d2b3f365 2257/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2258#if defined(__sgi)
d2b3f365 2259# define STRUCT_SV perl_sv
b8d3c5db
JH
2260#else
2261# define STRUCT_SV sv
2262#endif
2263typedef struct STRUCT_SV SV;
79072805
LW
2264typedef struct av AV;
2265typedef struct hv HV;
2266typedef struct cv CV;
d2f13c59 2267typedef struct p5rx REGEXP;
79072805 2268typedef struct gp GP;
0c30d9ec 2269typedef struct gv GV;
8990e307 2270typedef struct io IO;
c09156bb 2271typedef struct context PERL_CONTEXT;
79072805
LW
2272typedef struct block BLOCK;
2273
2274typedef struct magic MAGIC;
2275typedef struct xpv XPV;
2276typedef struct xpviv XPVIV;
ff68c719 2277typedef struct xpvuv XPVUV;
79072805
LW
2278typedef struct xpvnv XPVNV;
2279typedef struct xpvmg XPVMG;
2280typedef struct xpvlv XPVLV;
2281typedef struct xpvav XPVAV;
2282typedef struct xpvhv XPVHV;
2283typedef struct xpvgv XPVGV;
2284typedef struct xpvcv XPVCV;
2285typedef struct xpvbm XPVBM;
2286typedef struct xpvfm XPVFM;
8990e307 2287typedef struct xpvio XPVIO;
79072805
LW
2288typedef struct mgvtbl MGVTBL;
2289typedef union any ANY;
5f7fde29
GS
2290typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2291typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2292typedef struct clone_params CLONE_PARAMS;
2293
35e035cc 2294/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2295 * so hide the type. */
2296typedef struct padlist PADLIST;
67634234 2297typedef AV PAD;
35e035cc
FC
2298typedef AV PADNAMELIST;
2299typedef SV PADNAME;
67634234 2300
13b0f67d
DM
2301/* enable PERL_NEW_COPY_ON_WRITE by default */
2302#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2303# define PERL_NEW_COPY_ON_WRITE
2304#endif
07d01d6e 2305
db2c6cb3
FC
2306#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2307# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2308# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2309# else
2310# define PERL_ANY_COW
2311# endif
9f351b45
DM
2312#else
2313# define PERL_SAWAMPERSAND
db2c6cb3
FC
2314#endif
2315
378cc40b 2316#include "handy.h"
a0d0e21e 2317
6b8eaf93 2318#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2319# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2320# define USE_64_BIT_RAWIO /* implicit */
2321# endif
4564133c
JH
2322#endif
2323
6b8eaf93
JH
2324/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2325 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2326 * however, because operating systems like to do that themself. */
2327#ifndef FSEEKSIZE
2328# ifdef HAS_FSEEKO
2329# define FSEEKSIZE LSEEKSIZE
2330# else
2331# define FSEEKSIZE LONGSIZE
d460ef45 2332# endif
6b8eaf93
JH
2333#endif
2334
2335#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2336# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2337# define USE_64_BIT_STDIO /* implicit */
2338# endif
2339#endif
4564133c 2340
09458382 2341#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2342# ifdef HAS_OFF64_T
2343# undef Off_t
2344# define Off_t off64_t
2345# undef LSEEKSIZE
2346# define LSEEKSIZE 8
5ff3f7a4 2347# endif
d9b3e12d
JH
2348/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2349 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2350 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2351# if defined(USE_OPEN64)
2352# define open open64
5ff3f7a4 2353# endif
d9b3e12d
JH
2354# if defined(USE_LSEEK64)
2355# define lseek lseek64
6b8eaf93
JH
2356# else
2357# if defined(USE_LLSEEK)
2358# define lseek llseek
2359# endif
d9b3e12d
JH
2360# endif
2361# if defined(USE_STAT64)
2362# define stat stat64
2363# endif
2364# if defined(USE_FSTAT64)
2365# define fstat fstat64
2366# endif
2367# if defined(USE_LSTAT64)
2368# define lstat lstat64
2369# endif
2370# if defined(USE_FLOCK64)
2371# define flock flock64
2372# endif
2373# if defined(USE_LOCKF64)
2374# define lockf lockf64
2375# endif
2376# if defined(USE_FCNTL64)
2377# define fcntl fcntl64
2378# endif
2379# if defined(USE_TRUNCATE64)
2380# define truncate truncate64
2381# endif
2382# if defined(USE_FTRUNCATE64)
2383# define ftruncate ftruncate64
2384# endif
2385#endif
2386
2387#ifdef USE_64_BIT_STDIO
2388# ifdef HAS_FPOS64_T
2389# undef Fpos_t
2390# define Fpos_t fpos64_t
2391# endif
2392/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2393 * will trigger defines like the ones below. Some 64-bit environments,
2394 * however, do not. */
2395# if defined(USE_FOPEN64)
2396# define fopen fopen64
2397# endif
2398# if defined(USE_FSEEK64)
6b8eaf93 2399# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2400# endif
2401# if defined(USE_FTELL64)
6b8eaf93 2402# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2403# endif
2404# if defined(USE_FSETPOS64)
2405# define fsetpos fsetpos64
2406# endif
2407# if defined(USE_FGETPOS64)
2408# define fgetpos fgetpos64
2409# endif
2410# if defined(USE_TMPFILE64)
2411# define tmpfile tmpfile64
2412# endif
2413# if defined(USE_FREOPEN64)
2414# define freopen freopen64
5ff3f7a4
GS
2415# endif
2416#endif
2417
e37778c2 2418#if defined(OS2)
2c2d71f5
JH
2419# include "iperlsys.h"
2420#endif
2421
748a9306 2422#ifdef DOSISH
19848b3f
JH
2423# if defined(OS2)
2424# include "os2ish.h"
2425# else
2426# include "dosish.h"
2427# endif
2428# define ISHISH "dos"
2429#endif
2430
2431#if defined(VMS)
748a9306 2432# include "vmsish.h"
19848b3f
JH
2433# define ISHISH "vms"
2434#endif
2435
2436#if defined(PLAN9)
2437# include "./plan9/plan9ish.h"
2438# define ISHISH "plan9"
2439#endif
2440
19848b3f 2441#if defined(__VOS__)
196918b0
PG
2442# ifdef __GNUC__
2443# include "./vos/vosish.h"
2444# else
2445# include "vos/vosish.h"
2446# endif
19848b3f
JH
2447# define ISHISH "vos"
2448#endif
2449
9969cdde 2450#ifdef __SYMBIAN32__
27da23d5 2451# include "symbian/symbianish.h"
27da23d5
JH
2452# define ISHISH "symbian"
2453#endif
2454
19848b3f 2455
df00ff3b
IW
2456#if defined(__HAIKU__)
2457# include "haiku/haikuish.h"
2458# define ISHISH "haiku"
efca5cc6
JH
2459#endif
2460
19848b3f
JH
2461#ifndef ISHISH
2462# include "unixish.h"
2463# define ISHISH "unix"
13b6e58c
JH
2464#endif
2465
2946a158
JH
2466/* NSIG logic from Configure --> */
2467/* Strange style to avoid deeply-nested #if/#else/#endif */
2468#ifndef NSIG
2469# ifdef _NSIG
2470# define NSIG (_NSIG)
2471# endif
2472#endif
2473
2474#ifndef NSIG
2475# ifdef SIGMAX
2476# define NSIG (SIGMAX+1)
2477# endif
2478#endif
2479
2480#ifndef NSIG
2481# ifdef SIG_MAX
2482# define NSIG (SIG_MAX+1)
2483# endif
2484#endif
2485
2486#ifndef NSIG
2487# ifdef _SIG_MAX
2488# define NSIG (_SIG_MAX+1)
2489# endif
2490#endif
2491
2492#ifndef NSIG
2493# ifdef MAXSIG
2494# define NSIG (MAXSIG+1)
2495# endif
2496#endif
2497
2498#ifndef NSIG
2499# ifdef MAX_SIG
2500# define NSIG (MAX_SIG+1)
2501# endif
2502#endif
2503
2504#ifndef NSIG
2505# ifdef SIGARRAYSIZE
2506# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2507# endif
2508#endif
2509
2510#ifndef NSIG
2511# ifdef _sys_nsig
2512# define NSIG (_sys_nsig) /* Solaris 2.5 */
2513# endif
2514#endif
2515
2516/* Default to some arbitrary number that's big enough to get most
2517 of the common signals.
2518*/
2519#ifndef NSIG
2520# define NSIG 50
2521#endif
2522/* <-- NSIG logic from Configure */
2523
13b6e58c
JH
2524#ifndef NO_ENVIRON_ARRAY
2525# define USE_ENVIRON_ARRAY
2526#endif
32f822de 2527
c77b533b
JH
2528/*
2529 * initialise to avoid floating-point exceptions from overflow, etc
2530 */
2531#ifndef PERL_FPU_INIT
2532# ifdef HAS_FPSETMASK
2533# if HAS_FLOATINGPOINT_H
2534# include <floatingpoint.h>
2535# endif
ad3a8c67
NC
2536/* Some operating systems have this as a macro, which in turn expands to a comma
2537 expression, and the last sub-expression is something that gets calculated,
2538 and then they have the gall to warn that a value computed is not used. Hence
2539 cast to void. */
2540# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2541# else
2f42fcb0 2542# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2543# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2544# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2545# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2546# else
2547# define PERL_FPU_INIT
2f42fcb0 2548
7014c407 2549# endif
c77b533b
JH
2550# endif
2551#endif
b35112e7
CS
2552#ifndef PERL_FPU_PRE_EXEC
2553# define PERL_FPU_PRE_EXEC {
2554# define PERL_FPU_POST_EXEC }
2555#endif
c77b533b 2556
cbec8ebe
DM
2557#ifndef PERL_SYS_INIT3_BODY
2558# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2559#endif
2560
eb533572 2561/*
4ad9e498 2562=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2563Provides system-specific tune up of the C runtime environment necessary to
2564run Perl interpreters. This should be called only once, before creating
2565any Perl interpreters.
2566
4ad9e498 2567=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2568Provides system-specific tune up of the C runtime environment necessary to
2569run Perl interpreters. This should be called only once, before creating
2570any Perl interpreters.
2571
2572=for apidoc Am|void|PERL_SYS_TERM|
2573Provides system-specific clean up of the C runtime environment after
2574running Perl interpreters. This should be called only once, after
2575freeing any remaining Perl interpreters.
2576
2577=cut
2578 */
2579
cbec8ebe
DM
2580#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2581#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2582#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2583
be708cc0
JH
2584#ifndef PERL_WRITE_MSG_TO_CONSOLE
2585# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2586#endif
2587
0f31cffe
GS
2588#ifndef MAXPATHLEN
2589# ifdef PATH_MAX
b990c8b2
JH
2590# ifdef _POSIX_PATH_MAX
2591# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2592/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2593 * included the null byte or not. Later amendments of POSIX,
2594 * XPG4, the Austin Group, and the Single UNIX Specification
2595 * all explicitly include the null byte in the PATH_MAX.
2596 * Ditto for _POSIX_PATH_MAX. */
2597# define MAXPATHLEN PATH_MAX
b990c8b2 2598# else
09448d78 2599# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2600# endif
2601# else
2602# define MAXPATHLEN (PATH_MAX+1)
2603# endif
0f31cffe 2604# else
d552bce8 2605# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2606# endif
2607#endif
2608
c80263a8
SH
2609/* In case Configure was not used (we are using a "canned config"
2610 * such as Win32, or a cross-compilation setup, for example) try going
2611 * by the gcc major and minor versions. One useful URL is
2612 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2613 * but contrary to this information warn_unused_result seems
2614 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2615 * Also, when building extensions with an installed perl, this allows
2616 * the user to upgrade gcc and get the right attributes, rather than
2617 * relying on the list generated at Configure time. --AD
c80263a8
SH
2618 * Set these up now otherwise we get confused when some of the <*thread.h>
2619 * includes below indirectly pull in <perlio.h> (which needs to know if we
2620 * have HASATTRIBUTE_FORMAT).
2621 */
2622
4d7c7898 2623#ifndef PERL_MICRO
fc2007d4 2624#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2625# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2626# define HASATTRIBUTE_DEPRECATED
2627# endif
c80263a8
SH
2628# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2629# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2630# if defined __MINGW32__
2631# define PRINTF_FORMAT_NULL_OK
2632# endif
c80263a8
SH
2633# endif
2634# if __GNUC__ >= 3 /* 3.0 -> */
2635# define HASATTRIBUTE_MALLOC
2636# endif
2637# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2638# define HASATTRIBUTE_NONNULL
2639# endif
2640# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2641# define HASATTRIBUTE_NORETURN
2642# endif
2643# if __GNUC__ >= 3 /* gcc 3.0 -> */
2644# define HASATTRIBUTE_PURE
2645# endif
42bf5550 2646# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2647# define HASATTRIBUTE_UNUSED
2648# endif
d324fe49
AD
2649# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2650# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2651# endif
c80263a8
SH
2652# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2653# define HASATTRIBUTE_WARN_UNUSED_RESULT
2654# endif
2655#endif
00f254e2 2656#endif /* #ifndef PERL_MICRO */
c80263a8 2657
3db8f154 2658/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2659 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2660 * this results in many functions being undeclared which bothers C++
2661 * May make sense to have threads after "*ish.h" anyway
2662 */
2663
3db8f154 2664#if defined(USE_ITHREADS)
2986a63f
JH
2665# ifdef NETWARE
2666# include <nw5thread.h>
2667# else
32f822de
GS
2668# ifdef WIN32
2669# include <win32thread.h>
2670# else
dd96f567
IZ
2671# ifdef OS2
2672# include "os2thread.h"
2673# else
7f3d1cf1 2674# ifdef I_MACH_CTHREADS
bdd66968 2675# include <mach/cthreads.h>
8f1f23e8 2676# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2677# define MUTEX_INIT_CALLS_MALLOC
2678# endif
7f3d1cf1
BH
2679typedef cthread_t perl_os_thread;
2680typedef mutex_t perl_mutex;
2681typedef condition_t perl_cond;
2682typedef void * perl_key;
2683# else /* Posix threads */
1f5ae88c
JH
2684# ifdef I_PTHREAD
2685# include <pthread.h>
2686# endif
7f3d1cf1
BH
2687typedef pthread_t perl_os_thread;
2688typedef pthread_mutex_t perl_mutex;
2689typedef pthread_cond_t perl_cond;
2690typedef pthread_key_t perl_key;
2691# endif /* I_MACH_CTHREADS */
dd96f567 2692# endif /* OS2 */
32f822de 2693# endif /* WIN32 */
ef4abe76 2694# endif /* NETWARE */
3db8f154 2695#endif /* USE_ITHREADS */
c5be433b 2696
66a93824 2697#if defined(WIN32)
1feb2720 2698# include "win32.h"
c5be433b
GS
2699#endif
2700
2986a63f
JH
2701#ifdef NETWARE
2702# include "netware.h"
2703#endif
2704
e5218da5 2705#define STATUS_UNIX PL_statusvalue
68dc0745 2706#ifdef VMS
6b88bc9c 2707# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2708/*
2709 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2710 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2711 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2712 * be updated also.
2713 */
2714# include <stsdef.h>
2715# include <ssdef.h>
2716/* Presume this because if VMS changes it, it will require a new
2717 * set of APIs for waiting on children for binary compatibility.
2718 */
2719# define child_offset_bits (8)
2720# ifndef C_FAC_POSIX
2721# define C_FAC_POSIX 0x35A000
2722# endif
2723
2724/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2725 * platform from the existing UNIX or Native status values.
2726 */
2727
37038d91 2728# define STATUS_EXIT \
7a7fd8e0
JM
2729 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2730 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2731
7a7fd8e0 2732
fb38d079
JM
2733/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2734 * exit code and shifts the UNIX value over the correct number of bits to
2735 * be a child status. Usually the number of bits is 8, but that could be
2736 * platform dependent. The NATIVE status code is presumed to have either
2737 * from a child process.
7a7fd8e0
JM
2738 */
2739
fb38d079
JM
2740/* This is complicated. The child processes return a true native VMS
2741 status which must be saved. But there is an assumption in Perl that
2742 the UNIX child status has some relationship to errno values, so
00f254e2 2743 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2744 In order to get the string translation correct, for the error, errno
2745 must be EVMSERR, but that generates a different text message
2746 than what the test programs are expecting. So an errno value must
2747 be derived from the native status value when an error occurs.
2748 That will hide the true native status message. With this version of
2749 perl, the true native child status can always be retrieved so that
2750 is not a problem. But in this case, Pl_statusvalue and errno may
2751 have different values in them.
2752 */
7a7fd8e0 2753
fb38d079 2754# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2755 STMT_START { \
2fbb330f
JM
2756 I32 evalue = (I32)n; \
2757 if (evalue == EVMSERR) { \
2758 PL_statusvalue_vms = vaxc$errno; \
2759 PL_statusvalue = evalue; \
7a7fd8e0 2760 } else { \
2fbb330f 2761 PL_statusvalue_vms = evalue; \
fb38d079 2762 if (evalue == -1) { \
3280af22 2763 PL_statusvalue = -1; \
7a7fd8e0
JM
2764 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2765 } else \
fb38d079 2766 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2767 set_vaxc_errno(evalue); \
fb38d079
JM
2768 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2769 set_errno(EVMSERR); \
2770 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2771 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2772 } \
68dc0745 2773 } STMT_END
7a7fd8e0 2774
68dc0745 2775# ifdef VMSISH_STATUS
e5218da5 2776# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2777# else
e5218da5 2778# define STATUS_CURRENT STATUS_UNIX
68dc0745 2779# endif
7a7fd8e0
JM
2780
2781 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2782 * the NATIVE status to an equivalent value. Can not be used to translate
2783 * exit code values as exit code values are not guaranteed to have any
2784 * relationship at all to errno values.
2785 * This is used when Perl is forcing errno to have a specific value.
2786 */
e5218da5 2787# define STATUS_UNIX_SET(n) \
68dc0745 2788 STMT_START { \
7a7fd8e0 2789 I32 evalue = (I32)n; \
0968cdad 2790 PL_statusvalue = evalue; \
3280af22 2791 if (PL_statusvalue != -1) { \
0968cdad
JM
2792 if (PL_statusvalue != EVMSERR) { \
2793 PL_statusvalue &= 0xFFFF; \
2794 if (MY_POSIX_EXIT) \
2795 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2796 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2797 } \
2798 else { \
2799 PL_statusvalue_vms = vaxc$errno; \
2800 } \
68dc0745 2801 } \
0968cdad
JM
2802 else PL_statusvalue_vms = SS$_ABORT; \
2803 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2804 } STMT_END
2805
2806 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2807 * the NATIVE error status based on it.
2808 *
2809 * When in the default mode to comply with the Perl VMS documentation,
2810 * 0 is a success and any other code sets the NATIVE status to a failure
2811 * code of SS$_ABORT.
fb38d079
JM
2812 *
2813 * In the new POSIX EXIT mode, native status will be set so that the
2814 * actual exit code will can be retrieved by the calling program or
2815 * shell.
2816 *
2817 * If the exit code is not clearly a UNIX parent or child exit status,
2818 * it will be passed through as a VMS status.
7a7fd8e0
JM
2819 */
2820
fb38d079 2821# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2822 STMT_START { \
2823 I32 evalue = (I32)n; \
2824 PL_statusvalue = evalue; \
e08e1e1d
JM
2825 if (MY_POSIX_EXIT) { \
2826 if (evalue <= 0xFF00) { \
2827 if (evalue > 0xFF) \
2828 evalue = (evalue >> child_offset_bits) & 0xFF; \
2829 PL_statusvalue_vms = \
2830 (C_FAC_POSIX | (evalue << 3 ) | \
2831 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2832 } else /* forgive them Perl, for they have sinned */ \
2833 PL_statusvalue_vms = evalue; \
2834 } else { \
2835 if (evalue == 0) \
2836 PL_statusvalue_vms = SS$_NORMAL; \
2837 else if (evalue <= 0xFF00) \
2838 PL_statusvalue_vms = SS$_ABORT; \
2839 else { /* forgive them Perl, for they have sinned */ \
2840 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2841 else PL_statusvalue_vms = vaxc$errno; \
2842 /* And obviously used a VMS status value instead of UNIX */ \
2843 PL_statusvalue = EVMSERR; \
2844 } \
2845 set_vaxc_errno(PL_statusvalue_vms); \
2846 } \
68dc0745 2847 } STMT_END
fb38d079 2848
e08e1e1d 2849
6ac6a52b
JM
2850 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2851 * and sets the NATIVE error status based on it. This special case
2852 * is needed to maintain compatibility with past VMS behavior.
2853 *
2854 * In the default mode on VMS, this number is passed through as
2855 * both the NATIVE and UNIX status. Which makes it different
2856 * that the STATUS_UNIX_EXIT_SET.
2857 *
2858 * In the new POSIX EXIT mode, native status will be set so that the
2859 * actual exit code will can be retrieved by the calling program or
2860 * shell.
2861 *
1a3aec58
JM
2862 * A POSIX exit code is from 0 to 255. If the exit code is higher
2863 * than this, it needs to be assumed that it is a VMS exit code and
2864 * passed through.
6ac6a52b
JM
2865 */
2866
2867# define STATUS_EXIT_SET(n) \
2868 STMT_START { \
2869 I32 evalue = (I32)n; \
2870 PL_statusvalue = evalue; \
2871 if (MY_POSIX_EXIT) \
1a3aec58
JM
2872 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2873 PL_statusvalue_vms = \
2874 (C_FAC_POSIX | (evalue << 3 ) | \
2875 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2876 else \
2877 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2878 set_vaxc_errno(PL_statusvalue_vms); \
2879 } STMT_END
2880
fb38d079
JM
2881
2882 /* This macro forces a success status */
7a7fd8e0
JM
2883# define STATUS_ALL_SUCCESS \
2884 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2885
2886 /* This macro forces a failure status */
7a7fd8e0
JM
2887# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2888 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2889 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2890
68dc0745 2891#else
e5218da5 2892# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2893# if defined(WCOREDUMP)
37038d91 2894# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2895 STMT_START { \
2896 PL_statusvalue_posix = (n); \
2897 if (PL_statusvalue_posix == -1) \
2898 PL_statusvalue = -1; \
2899 else { \
2900 PL_statusvalue = \
2901 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2902 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2903 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2904 } \
2905 } STMT_END
2906# elif defined(WIFEXITED)
37038d91 2907# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2908 STMT_START { \
2909 PL_statusvalue_posix = (n); \
2910 if (PL_statusvalue_posix == -1) \
2911 PL_statusvalue = -1; \
2912 else { \
2913 PL_statusvalue = \
2914 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2915 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2916 } \
2917 } STMT_END
2918# else
37038d91 2919# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2920 STMT_START { \
2921 PL_statusvalue_posix = (n); \
2922 if (PL_statusvalue_posix == -1) \
2923 PL_statusvalue = -1; \
2924 else { \
2925 PL_statusvalue = \
2926 PL_statusvalue_posix & 0xFFFF; \
2927 } \
2928 } STMT_END
2929# endif
2930# define STATUS_UNIX_SET(n) \
68dc0745 2931 STMT_START { \
3280af22
NIS
2932 PL_statusvalue = (n); \
2933 if (PL_statusvalue != -1) \
2934 PL_statusvalue &= 0xFFFF; \
68dc0745 2935 } STMT_END
7a7fd8e0 2936# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2937# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2938# define STATUS_CURRENT STATUS_UNIX
37038d91 2939# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2940# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2941# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2942#endif
2943
cc3604b1
GS
2944/* flags in PL_exit_flags for nature of exit() */
2945#define PERL_EXIT_EXPECTED 0x01
31d77e54 2946#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2947
b79b76e0 2948#ifndef PERL_CORE
a7cb1f99 2949/* format to use for version numbers in file/directory names */
273cf8d1 2950/* XXX move to Configure? */
b79b76e0
NC
2951/* This was only ever used for the current version, and that can be done at
2952 compile time, as PERL_FS_VERSION, so should we just delete it? */
2953# ifndef PERL_FS_VER_FMT
2954# define PERL_FS_VER_FMT "%d.%d.%d"
2955# endif
2956#endif
2957
2958#ifndef PERL_FS_VERSION
2959# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2960#endif
2961
45bc9206 2962/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2963 * performance issue, so we allow people to disable it. Also, if
2964 * we are using stdio, there are broken implementations of fflush(NULL)
2965 * out there, Solaris being the most prominent.
45bc9206
GS
2966 */
2967#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2968# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2969# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2970# else
2971# ifdef FFLUSH_ALL
2972# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2973# else
c5be433b 2974# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2975# endif
66fe083f 2976# endif
45bc9206
GS
2977#endif
2978
7766f137
GS
2979#ifndef PERL_WAIT_FOR_CHILDREN
2980# define PERL_WAIT_FOR_CHILDREN NOOP
2981#endif
2982
ba869deb 2983/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2984#ifndef PERL_SET_INTERP
2985# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2986#endif
2987
2988#ifndef PERL_GET_INTERP
2989# define PERL_GET_INTERP (PL_curinterp)
2990#endif
2991
54aff467 2992#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2993# ifdef MULTIPLICITY
ba869deb 2994# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2995# endif
ba869deb
GS
2996# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2997#endif
2998
00f254e2 2999/*
8896765a 3000 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3001 All that is required is that the perl source does not
00f254e2
KW
3002 use "%-p" or "%-<number>p" or "%<number>p" formats.
3003 These formats will still work in perl code.
486ec47a 3004 See comments in sv.c for further details.
8896765a 3005
8896765a 3006 Robin Barker 2005-07-14
f46d31f2 3007
00f254e2 3008 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3009*/
8896765a
RB
3010
3011#ifndef SVf_
63ce7bf0 3012# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3013#endif
3014
8896765a 3015#ifndef SVf
104abab4 3016# define SVf "-p"
d2560b70
RB
3017#endif
3018
014ead4b 3019#ifndef SVf32
8896765a 3020# define SVf32 SVf_(32)
014ead4b
RB
3021#endif
3022
3023#ifndef SVf256
8896765a
RB
3024# define SVf256 SVf_(256)
3025#endif
3026
be2597df
MHM
3027#define SVfARG(p) ((void*)(p))
3028
20023040
FC
3029#ifndef HEKf
3030# define HEKf "2p"
3031#endif
3032
b8fa5213
FC
3033/* Not ideal, but we cannot easily include a number in an already-numeric
3034 * format sequence. */
3035#ifndef HEKf256
3036# define HEKf256 "3p"
3037#endif
3038
20023040
FC
3039#define HEKfARG(p) ((void*)(p))
3040
b17a0679
FC
3041/* Takes three arguments: is_utf8, length, str */
3042#ifndef UTF8f
3043# define UTF8f "d%"UVuf"%4p"
3044#endif
3045#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3046
f46d31f2 3047#ifdef PERL_CORE
486ec47a 3048/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB
3049# undef VDf
3050#else
3051# ifndef VDf
8896765a
RB
3052# define VDf "vd"
3053# endif
014ead4b 3054#endif
170cd9e9
NC
3055
3056#ifdef PERL_CORE
486ec47a 3057/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3058# undef UVf
3059#else
170cd9e9
NC
3060# ifndef UVf
3061# define UVf UVuf
3062# endif
d2560b70
RB
3063#endif
3064
fcdf39cf
RGS
3065#ifdef HASATTRIBUTE_DEPRECATED
3066# define __attribute__deprecated__ __attribute__((deprecated))
3067#endif
0dbb1585
AL
3068#ifdef HASATTRIBUTE_FORMAT
3069# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3070#endif
3071#ifdef HASATTRIBUTE_MALLOC
77785eea 3072# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3073#endif
0dbb1585 3074#ifdef HASATTRIBUTE_NONNULL
abb2c242 3075# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3076#endif
0dbb1585 3077#ifdef HASATTRIBUTE_NORETURN
abb2c242 3078# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3079#endif
0dbb1585 3080#ifdef HASATTRIBUTE_PURE
abb2c242 3081# define __attribute__pure__ __attribute__((pure))
f22be1b8 3082#endif
0dbb1585
AL
3083#ifdef HASATTRIBUTE_UNUSED
3084# define __attribute__unused__ __attribute__((unused))
3085#endif
3086#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3087# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3088#endif
3089
0dbb1585 3090/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3091#ifndef __attribute__deprecated__
3092# define __attribute__deprecated__
3093#endif
0dbb1585
AL
3094#ifndef __attribute__format__
3095# define __attribute__format__(x,y,z)
3096#endif
f22be1b8 3097#ifndef __attribute__malloc__
abb2c242 3098# define __attribute__malloc__
f22be1b8
JH
3099#endif
3100#ifndef __attribute__nonnull__
abb2c242 3101# define __attribute__nonnull__(a)
f22be1b8
JH
3102#endif
3103#ifndef __attribute__noreturn__
abb2c242 3104# define __attribute__noreturn__
f22be1b8
JH
3105#endif
3106#ifndef __attribute__pure__
abb2c242 3107# define __attribute__pure__
f22be1b8 3108#endif
0dbb1585
AL
3109#ifndef __attribute__unused__
3110# define __attribute__unused__
3111#endif
f22be1b8 3112#ifndef __attribute__warn_unused_result__
abb2c242
JH
3113# define __attribute__warn_unused_result__
3114#endif
3115
0dbb1585
AL
3116/* For functions that are marked as __attribute__noreturn__, it's not
3117 appropriate to call return. In either case, include the lint directive.
3118 */
3119#ifdef HASATTRIBUTE_NORETURN
118e2215 3120# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3121#else
118e2215 3122# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3123#endif
3124
cdfeb707
RB
3125/* Some OS warn on NULL format to printf */
3126#ifdef PRINTF_FORMAT_NULL_OK
3127# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3128#else
00f254e2 3129# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3130#endif
3131
635aebb7 3132#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3133# define EXPECT(expr,val) __builtin_expect(expr,val)
3134#else
3135# define EXPECT(expr,val) (expr)
3136#endif
6d5abc62
NC
3137#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3138#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3139#ifdef HAS_BUILTIN_CHOOSE_EXPR
3140/* placeholder */
3141#endif
b37c2d43 3142
3fc1aec6
PP
3143/* Some unistd.h's give a prototype for pause() even though
3144 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3145 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3146*/
3147#ifdef HAS_PAUSE
3148#define Pause pause
3149#else
3150#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3151#endif
3152
3153#ifndef IOCPARM_LEN
3154# ifdef IOCPARM_MASK
61f1c44b 3155 /* on BSDish systems we're safe */
748a9306
LW
3156# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3157# else
61f1c44b 3158# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3159 /* on Linux systems we're safe; except when we're not [perl #38223] */
3160# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3161# else
748a9306 3162 /* otherwise guess at what's safe */
61f1c44b
JVD
3163# define IOCPARM_LEN(x) 256
3164# endif
748a9306 3165# endif
a0d0e21e
LW
3166#endif
3167
1761cee5 3168#if defined(__CYGWIN__)
521e0776
GS
3169/* USEMYBINMODE
3170 * This symbol, if defined, indicates that the program should
16fe6d59 3171 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3172 * that a file is in "binary" mode -- that is, that no translation
3173 * of bytes occurs on read or write operations.
3174 */
36894f0b 3175# define USEMYBINMODE /**/
77a40698 3176# include <io.h> /* for setmode() prototype */
16fe6d59 3177# define my_binmode(fp, iotype, mode) \
77a40698 3178 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3179#endif
3180
88d10794
JH
3181#ifdef __CYGWIN__
3182void init_os_extras(void);
3183#endif
3184
cea2e8a9
GS
3185#ifdef UNION_ANY_DEFINITION
3186UNION_ANY_DEFINITION;
3187#else
3188union any {
3189 void* any_ptr;
3190 I32 any_i32;
3191 IV any_iv;
c6bf6a65 3192 UV any_uv;
cea2e8a9 3193 long any_long;
9febdf04 3194 bool any_bool;
c76ac1ee 3195 void (*any_dptr) (void*);
acfe0abc 3196 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3197};
3198#endif
3199
acfe0abc 3200typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3201
3202#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3203#define FILTER_DATA(idx) \
3204 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3205#define FILTER_ISREADER(idx) \
3206 (PL_parser && PL_parser->rsfp_filters \
3207 && idx >= AvFILLp(PL_parser->rsfp_filters))
3208#define PERL_FILTER_EXISTS(i) \
3209 (PL_parser && PL_parser->rsfp_filters \
3210 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3211
c5078cac
JH
3212#if defined(_AIX) && !defined(_AIX43)
3213#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3214/* We cannot include <crypt.h> to get the struct crypt_data
3215 * because of setkey prototype problems when threading */
3216typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3217 /* From OSF, Not needed in AIX
3218 char C[28], D[28];
3219 */
3220 char E[48];
3221 char KS[16][48];
3222 char block[66];
3223 char iobuf[16];
3224} CRYPTD;
3225#endif /* threading */
3226#endif /* AIX */
3227
e37778c2 3228#if !defined(OS2)
2c2d71f5
JH
3229# include "iperlsys.h"
3230#endif
504f80c1 3231
9c12f1e5 3232#ifdef __LIBCATAMOUNT__
00f254e2 3233#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3234#undef HAS_GROUP
3235#define FAKE_BIT_BUCKET
3236#endif
3237
d10dc2ae
JH
3238/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3239 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3240 * defined by Configure, despite their names being similar to the
3241 * other defines like USE_ITHREADS. Configure in fact knows nothing
3242 * about the randomised hashes. Therefore to enable/disable the hash
3243 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3244#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3245# define USE_HASH_SEED
504f80c1
JH
3246#endif
3247
598921a7
NC
3248/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3249 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3250 * it's not really needed.
3251 */
3252#if defined(WIN32)
3253# define YYTOKENTYPE
3254#endif
3255#include "perly.h"
3256
3257#ifdef PERL_MAD
3258struct nexttoken {
3259 YYSTYPE next_val; /* value of next token, if any */
3260 I32 next_type; /* type of next token */
3261 MADPROP *next_mad; /* everything else about that token */
3262};
3263#endif
3264
654eccd5
JD
3265/* macros to define bit-fields in structs. */
3266#ifndef PERL_BITFIELD8
3267# define PERL_BITFIELD8 unsigned
3268#endif
3269#ifndef PERL_BITFIELD16
3270# define PERL_BITFIELD16 unsigned
3271#endif
3272#ifndef PERL_BITFIELD32
3273# define PERL_BITFIELD32 unsigned
3274#endif
3275
79072805 3276#include "sv.h"
288b8c02 3277#include "regexp.h"
378cc40b 3278#include "util.h"
8d063cd8 3279#include "form.h"
79072805 3280#include "gv.h"
dd2155a4 3281#include "pad.h"
79072805 3282#include "cv.h"
abdd5c84 3283#include "opnames.h"
79072805 3284#include "op.h"
b3ca2e83 3285#include "hv.h"
79072805
LW
3286#include "cop.h"
3287#include "av.h"
79072805
LW
3288#include "mg.h"
3289#include "scope.h"
4438c4b7 3290#include "warnings.h"
a0ed51b3 3291#include "utf8.h"
8d063cd8 3292
0d7d409d
DM
3293/* these would be in doio.h if there was such a file */
3294#define my_stat() my_stat_flags(SV_GMAGIC)
3295#define my_lstat() my_lstat_flags(SV_GMAGIC)
3296
20f4945e 3297/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3298#undef _XPV_HEAD
3299#undef _XPVMG_HEAD
3300#undef _XPVCV_COMMON
7fae4e64
GS
3301
3302typedef struct _sublex_info SUBLEXINFO;
3303struct _sublex_info {
651b5b28
NC
3304 U8 super_state; /* lexer state to save */
3305 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3306 OP *sub_op; /* "lex_op" to use */
7cc34111 3307 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3308};
3309
199e78b7
DM
3310#include "parser.h"
3311
455ece5e 3312typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3313
2c2d71f5 3314struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3315struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3316
5f7fde29
GS
3317struct ptr_tbl_ent {
3318 struct ptr_tbl_ent* next;
53c1dcc0 3319 const void* oldval;
5f7fde29 3320 void* newval;
d18c6117
GS
3321};
3322
5f7fde29
GS
3323struct ptr_tbl {
3324 struct ptr_tbl_ent** tbl_ary;
3325 UV tbl_max;
3326 UV tbl_items;
db93c0c4
NC
3327 struct ptr_tbl_arena *tbl_arena;
3328 struct ptr_tbl_ent *tbl_arena_next;
3329 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3330};
3331
fe14fcc3
LW
3332#if defined(htonl) && !defined(HAS_HTONL)
3333#define HAS_HTONL
ae986130 3334#endif
fe14fcc3
LW
3335#if defined(htons) && !defined(HAS_HTONS)
3336#define HAS_HTONS
ae986130 3337#endif
fe14fcc3
LW
3338#if defined(ntohl) && !defined(HAS_NTOHL)
3339#define HAS_NTOHL
ae986130 3340#endif
fe14fcc3
LW
3341#if defined(ntohs) && !defined(HAS_NTOHS)
3342#define HAS_NTOHS
ae986130 3343#endif
fe14fcc3 3344#ifndef HAS_HTONL
fe14fcc3
LW
3345#define HAS_HTONS
3346#define HAS_HTONL
3347#define HAS_NTOHS
3348#define HAS_NTOHL
8e2d7c44
NC
3349# if (BYTEORDER & 0xffff) == 0x4321
3350/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3351 re-order their values. However, to behave identically to the alternative
3352 implementations, they should truncate to the correct size. */
3353# define ntohl(x) ((x)&0xFFFFFFFF)
3354# define htonl(x) ntohl(x)
3355# define ntohs(x) ((x)&0xFFFF)
3356# define htons(x) ntohs(x)
e4b03fed
NC
3357# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3358
3359/* Note that we can't straight out declare our own htonl and htons because
3360 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3361 to avoid the overhead of initialising the socket subsystem, but the headers
3362 that *declare* the various functions are still seen. If we declare our own
3363 htonl etc they will clash with the declarations in the Win32 headers. */
3364
3365PERL_STATIC_INLINE U32
3366my_swap32(const U32 x) {
3367 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3368 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3369}
3370
3371PERL_STATIC_INLINE U16
3372my_swap16(const U16 x) {
3373 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3374}
3375
3376# define htonl(x) my_swap32(x)
3377# define ntohl(x) my_swap32(x)
3378# define ntohs(x) my_swap16(x)
3379# define htons(x) my_swap16(x)
8e2d7c44 3380# else
691a44df
NC
3381# error "Unsupported byteorder"
3382/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3383 the error message. Please check the value of the macro BYTEORDER, as defined
3384 in config.h. The values of BYTEORDER we expect are
3385
3386 big endian little endian
3387 32 bit 0x4321 0x1234
3388 64 bit 0x87654321 0x12345678
3389
3390 If you have a system with a different byte order, please see
3391 pod/perlhack.pod for how to submit a patch to add supporting code.
3392*/
3393# endif
a687059c
LW
3394#endif
3395
988174c1
LW
3396/*
3397 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3398 * -DWS
3399 */
5ae72479 3400#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3401/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3402 re-order their values. However, to behave identically to the alternative
3403 implementations, they should truncate to the correct size. */
3404# define vtohl(x) ((x)&0xFFFFFFFF)
3405# define vtohs(x) ((x)&0xFFFF)
3406# define htovl(x) vtohl(x)
3407# define htovs(x) vtohs(x)
545872c5 3408#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3409# define vtohl(x) ((((x)&0xFF)<<24) \
3410 +(((x)>>24)&0xFF) \
3411 +(((x)&0x0000FF00)<<8) \
3412 +(((x)&0x00FF0000)>>8) )
3413# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3414# define htovl(x) vtohl(x)
3415# define htovs(x) vtohs(x)
545872c5
NC
3416#else
3417# error "Unsupported byteorder"
3418/* If you have need for current perl on PDP-11 or similar, and can help test
3419 that blead keeps working on a mixed-endian system, then see
3420 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3421#endif
988174c1 3422
3bb7c1b4
JH
3423/* *MAX Plus 1. A floating point value.
3424 Hopefully expressed in a way that dodgy floating point can't mess up.
3425 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3426 is added to it
3427 May find that some broken compiler will want the value cast to I32.
3428 [after the shift, as signed >> may not be as secure as unsigned >>]
3429*/
3430#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3431#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3432/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3433 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3434 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3435*/
3436#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3437
3bb7c1b4
JH
3438#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3439#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3440#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3441
3442/* This may look like unnecessary jumping through hoops, but converting
3443 out of range floating point values to integers *is* undefined behaviour,
3444 and it is starting to bite.
3445*/
3446#ifndef CAST_INLINE
65202027 3447#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3448#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3449#define I_V(what) (cast_iv((NV)(what)))
3450#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3451#else
3452#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3453 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3454 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3455#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3456 : ((n) < U32_MAX_P1 ? (U32) (n) \
3457 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3458#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3459 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3460 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3461#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3462 : ((n) < UV_MAX_P1 ? (UV) (n) \
3463 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3464#endif
3465
3466#define U_S(what) ((U16)U_32(what))
3467#define U_I(what) ((unsigned int)U_32(what))
3468#define U_L(what) U_32(what)
ed6116ce 3469
ed140128
AD
3470#ifdef HAS_SIGNBIT
3471# define Perl_signbit signbit
3472#endif
3473
2d4389e4
JH
3474/* These do not care about the fractional part, only about the range. */
3475#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3476#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3477
25da4f38
IZ
3478/* Used with UV/IV arguments: */
3479 /* XXXX: need to speed it up */
3480#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3481#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3482
352d5a3a
LW
3483#ifndef MAXSYSFD
3484# define MAXSYSFD 2
3485#endif
ee0007ab 3486
79072805 3487#ifndef __cplusplus
e37d7e38 3488#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3489Uid_t getuid (void);
3490Uid_t geteuid (void);
3491Gid_t getgid (void);
3492Gid_t getegid (void);
79072805 3493#endif
e1caacb4 3494#endif
8d063cd8 3495
0c30d9ec 3496#ifndef Perl_debug_log
bf49b057
GS
3497# define Perl_debug_log PerlIO_stderr()
3498#endif
3499
3500#ifndef Perl_error_log
3501# define Perl_error_log (PL_stderrgv \
6b78add2 3502 && isGV(PL_stderrgv) \
01bb7c6d 3503 && GvIOp(PL_stderrgv) \
42de951c 3504 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3505 ? IoOFP(GvIOp(PL_stderrgv)) \
3506 : PerlIO_stderr())
0c30d9ec 3507#endif
3967c732 3508
aea4f609
DM
3509
3510#define DEBUG_p_FLAG 0x00000001 /* 1 */
3511#define DEBUG_s_FLAG 0x00000002 /* 2 */
3512#define DEBUG_l_FLAG 0x00000004 /* 4 */
3513#define DEBUG_t_FLAG 0x00000008 /* 8 */
3514#define DEBUG_o_FLAG 0x00000010 /* 16 */
3515#define DEBUG_c_FLAG 0x00000020 /* 32 */
3516#define DEBUG_P_FLAG 0x00000040 /* 64 */
3517#define DEBUG_m_FLAG 0x00000080 /* 128 */
3518#define DEBUG_f_FLAG 0x00000100 /* 256 */
3519#define DEBUG_r_FLAG 0x00000200 /* 512 */
3520#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3521#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3522/* U is reserved for Unofficial, exploratory hacking */
3523#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3524#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3525#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3526#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3527#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3528#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3529#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3530#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3531#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3532#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3533#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3534#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3535#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3536#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3537#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3538
3539#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3540#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3541 that something was done? */
aea4f609 3542
bd16a5f0
IZ
3543# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3544# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3545# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3546# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3547# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3548# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3549# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3550# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3551# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3552# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3553# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3554# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3555# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3556# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3557# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3558# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3559# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3560# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3561# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3562# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3563# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3564# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3565# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3566# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3567# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3568# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3569# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3570# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3571# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3572
3967c732 3573#ifdef DEBUGGING
aea4f609 3574
bd16a5f0
IZ
3575# define DEBUG_p_TEST DEBUG_p_TEST_
3576# define DEBUG_s_TEST DEBUG_s_TEST_
3577# define DEBUG_l_TEST DEBUG_l_TEST_
3578# define DEBUG_t_TEST DEBUG_t_TEST_
3579# define DEBUG_o_TEST DEBUG_o_TEST_
3580# define DEBUG_c_TEST DEBUG_c_TEST_
3581# define DEBUG_P_TEST DEBUG_P_TEST_
3582# define DEBUG_m_TEST DEBUG_m_TEST_
3583# define DEBUG_f_TEST DEBUG_f_TEST_
3584# define DEBUG_r_TEST DEBUG_r_TEST_
3585# define DEBUG_x_TEST DEBUG_x_TEST_
3586# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3587# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3588# define DEBUG_H_TEST DEBUG_H_TEST_
3589# define DEBUG_X_TEST DEBUG_X_TEST_
3590# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3591# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3592# define DEBUG_T_TEST DEBUG_T_TEST_
3593# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3594# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3595# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3596# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3597# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3598# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3599# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3600# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3601# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3602# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3603# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3604
488b0c7a
JH
3605# define PERL_DEB(a) a
3606# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3607# define DEBUG_p(a) if (DEBUG_p_TEST) a
3608# define DEBUG_s(a) if (DEBUG_s_TEST) a
3609# define DEBUG_l(a) if (DEBUG_l_TEST) a
3610# define DEBUG_t(a) if (DEBUG_t_TEST) a
3611# define DEBUG_o(a) if (DEBUG_o_TEST) a
3612# define DEBUG_c(a) if (DEBUG_c_TEST) a
3613# define DEBUG_P(a) if (DEBUG_P_TEST) a
3614
969058bb
VK
3615 /* Temporarily turn off memory debugging in case the a
3616 * does memory allocation, either directly or indirectly. */
acfe0abc 3617# define DEBUG_m(a) \
0b250b9e 3618 STMT_START { \
aea4f609 3619 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3620 } STMT_END
aea4f609 3621
5f80b19c
AMS
3622# define DEBUG__(t, a) \
3623 STMT_START { \
3624 if (t) STMT_START {a;} STMT_END; \
3625 } STMT_END
3626
3627# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3628#ifndef PERL_EXT_RE_BUILD
5f80b19c 3629# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3630#else
3631# define DEBUG_r(a) STMT_START {a;} STMT_END
3632#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3633# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3634# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3635# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3636# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3637# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3638# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3639# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3640# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3641# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3642
56967202 3643# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3644# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3645# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3646# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3647# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3648# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3649# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3650# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3651# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3652
3653#else /* DEBUGGING */
3654
3655# define DEBUG_p_TEST (0)
3656# define DEBUG_s_TEST (0)
3657# define DEBUG_l_TEST (0)
3658# define DEBUG_t_TEST (0)
3659# define DEBUG_o_TEST (0)
3660# define DEBUG_c_TEST (0)
3661# define DEBUG_P_TEST (0)
3662# define DEBUG_m_TEST (0)
3663# define DEBUG_f_TEST (0)
3664# define DEBUG_r_TEST (0)
3665# define DEBUG_x_TEST (0)
3666# define DEBUG_u_TEST (0)
88d2d28a 3667# define DEBUG_U_TEST (0)
aea4f609
DM
3668# define DEBUG_H_TEST (0)
3669# define DEBUG_X_TEST (0)
3670# define DEBUG_D_TEST (0)
56967202 3671# define DEBUG_S_TEST (0)
aea4f609 3672# define DEBUG_T_TEST (0)
04932ac8 3673# define DEBUG_R_TEST (0)
1045810a 3674# define DEBUG_J_TEST (0)
d6721266 3675# define DEBUG_v_TEST (0)
46187eeb 3676# define DEBUG_C_TEST (0)
ecae49c0
NC
3677# define DEBUG_A_TEST (0)
3678# define DEBUG_q_TEST (0)
d7c0d282 3679# define DEBUG_M_TEST (0)
cc8773c0 3680# define DEBUG_B_TEST (0)
7949c6f5
JC
3681# define DEBUG_Xv_TEST (0)
3682# define DEBUG_Uv_TEST (0)
ad9e76a8 3683# define DEBUG_Pv_TEST (0)
aea4f609 3684
488b0c7a
JH
3685# define PERL_DEB(a)
3686# define PERL_DEBUG(a)
aea4f609
DM
3687# define DEBUG_p(a)
3688# define DEBUG_s(a)
3689# define DEBUG_l(a)
3690# define DEBUG_t(a)
3691# define DEBUG_o(a)
3692# define DEBUG_c(a)
3693# define DEBUG_P(a)
3694# define DEBUG_m(a)
3695# define DEBUG_f(a)
3696# define DEBUG_r(a)
3697# define DEBUG_x(a)
3698# define DEBUG_u(a)
88d2d28a 3699# define DEBUG_U(a)
aea4f609
DM
3700# define DEBUG_H(a)
3701# define DEBUG_X(a)
3702# define DEBUG_D(a)
56967202 3703# define DEBUG_S(a)
aea4f609 3704# define DEBUG_T(a)
04932ac8 3705# define DEBUG_R(a)
d6721266 3706# define DEBUG_v(a)
46187eeb 3707# define DEBUG_C(a)
ecae49c0
NC
3708# define DEBUG_A(a)
3709# define DEBUG_q(a)
d7c0d282 3710# define DEBUG_M(a)
cc8773c0 3711# define DEBUG_B(a)
7949c6f5
JC
3712# define DEBUG_Xv(a)
3713# define DEBUG_Uv(a)
ad9e76a8 3714# define DEBUG_Pv(a)
aea4f609
DM
3715#endif /* DEBUGGING */
3716
3717
b4ab917c 3718#define DEBUG_SCOPE(where) \
d9f81b50 3719 DEBUG_l( \
1c98cc53
DM
3720 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3721 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3722 __FILE__, __LINE__));
b4ab917c 3723
de84dc04
NC
3724#if defined(DEBUGGING) && defined(I_ASSERT)
3725# include <assert.h>
3726#endif
3727
3728/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3729 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3730
de84dc04 3731#define Perl_assert(what) PERL_DEB( \
2b057284 3732 ((what) ? ((void) 0) : \
67eb4d30 3733 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3734 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3735 (void) 0)))
de84dc04
NC
3736</