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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
d460ef45 25#ifdef PERL_MICRO
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26# include "uconfig.h"
27#else
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
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31/* See L<perlguts/"The Perl API"> for detailed notes on
32 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
33
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34/* Note that from here --> to <-- the same logic is
35 * repeated in makedef.pl, so be certain to update
36 * both places when editing. */
37
6f4183fe 38#ifdef USE_ITHREADS
acfe0abc 39# if !defined(MULTIPLICITY)
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40# define MULTIPLICITY
41# endif
42#endif
43
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44#ifdef PERL_GLOBAL_STRUCT_PRIVATE
45# ifndef PERL_GLOBAL_STRUCT
46# define PERL_GLOBAL_STRUCT
47# endif
48#endif
97aff369 49
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50#ifdef PERL_GLOBAL_STRUCT
51# ifndef MULTIPLICITY
52# define MULTIPLICITY
53# endif
54#endif
55
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56#ifdef MULTIPLICITY
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
60#endif
61
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62/* undef WIN32 when building on Cygwin (for libwin32) - gph */
63#ifdef __CYGWIN__
64# undef WIN32
65# undef _WIN32
66#endif
67
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68#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
69# ifndef SYMBIAN
70# define SYMBIAN
71# endif
72#endif
73
a0fd4948 74#ifdef __SYMBIAN32__
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75# include "symbian/symbian_proto.h"
76#endif
77
78/* Any stack-challenged places. The limit varies (and often
79 * is configurable), but using more than a kilobyte of stack
80 * is usually dubious in these systems. */
739a0b84
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81#if defined(__SYMBIAN32__)
82/* Symbian: need to work around the SDK features. *
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83 * On WINS: MS VC5 generates calls to _chkstk, *
84 * if a "large" stack frame is allocated. *
85 * gcc on MARM does not generate calls like these. */
86# define USE_HEAP_INSTEAD_OF_STACK
87#endif
88
dd134d2c 89/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 90/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 91#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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92# define USE_REENTRANT_API
93#endif
94
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95/* <--- here ends the logic shared by perl.h and makedef.pl */
96
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97/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
98#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
99# define USING_MSVC6
100#endif
101
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102#undef START_EXTERN_C
103#undef END_EXTERN_C
104#undef EXTERN_C
105#ifdef __cplusplus
106# define START_EXTERN_C extern "C" {
107# define END_EXTERN_C }
108# define EXTERN_C extern "C"
109#else
110# define START_EXTERN_C
111# define END_EXTERN_C
112# define EXTERN_C extern
113#endif
114
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115/* Fallback definitions in case we don't have definitions from config.h.
116 This should only matter for systems that don't use Configure and
117 haven't been modified to define PERL_STATIC_INLINE yet.
118*/
119#if !defined(PERL_STATIC_INLINE)
120# ifdef HAS_STATIC_INLINE
121# define PERL_STATIC_INLINE static inline
122# else
123# define PERL_STATIC_INLINE static
124# endif
125#endif
126
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127#ifdef PERL_GLOBAL_STRUCT
128# ifndef PERL_GET_VARS
129# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 130 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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131# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
132# ifndef PERLIO_FUNCS_CONST
133# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
134# endif
135# else
136# define PERL_GET_VARS() PL_VarsPtr
137# endif
138# endif
139#endif
140
5aaab254 141#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
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142
143#ifdef PERL_GLOBAL_STRUCT
144# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
145#else
146# define dVAR dNOOP
147#endif
148
c5be433b 149#ifdef PERL_IMPLICIT_CONTEXT
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150# ifndef MULTIPLICITY
151# define MULTIPLICITY
c5be433b 152# endif
e8dda941 153# define tTHX PerlInterpreter*
5aaab254 154# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 155# define aTHX my_perl
9399a70c 156# define aTHXa(a) aTHX = (tTHX)a
27da23d5 157# ifdef PERL_GLOBAL_STRUCT
e8dda941 158# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 159# else
e8dda941 160# define dTHXa(a) pTHX = (tTHX)a
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161# endif
162# ifdef PERL_GLOBAL_STRUCT
163# define dTHX dVAR; pTHX = PERL_GET_THX
164# else
165# define dTHX pTHX = PERL_GET_THX
166# endif
c5be433b 167# define pTHX_ pTHX,
c5be433b 168# define aTHX_ aTHX,
4373e329 169# define pTHX_1 2
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170# define pTHX_2 3
171# define pTHX_3 4
172# define pTHX_4 5
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173# define pTHX_5 6
174# define pTHX_6 7
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175# define pTHX_7 8
176# define pTHX_8 9
177# define pTHX_9 10
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178# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
179# define PERL_TRACK_MEMPOOL
180# endif
181#else
182# undef PERL_TRACK_MEMPOOL
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183#endif
184
76e3520e 185#define STATIC static
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186
187#ifndef PERL_CORE
188/* Do not use these macros. They were part of PERL_OBJECT, which was an
189 * implementation of multiplicity using C++ objects. They have been left
190 * here solely for the sake of XS code which has incorrectly
191 * cargo-culted them.
192 */
76e3520e 193#define CPERLscope(x) x
565764a8 194#define CPERLarg void
76e3520e 195#define CPERLarg_
e3b8966e 196#define _CPERLarg
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197#define PERL_OBJECT_THIS
198#define _PERL_OBJECT_THIS
199#define PERL_OBJECT_THIS_
312caa8e 200#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 201#define MEMBER_TO_FPTR(name) name
16c91539 202#endif /* !PERL_CORE */
76e3520e 203
16c91539 204#define CALLRUNOPS PL_runops
f9f4320a 205
3ab4a224 206#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 207
16c91539 208#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 209#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 210 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 211 (strbeg),(minend),(sv),(data),(flags))
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212#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
213 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
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214 (strend),(flags),(data))
215#define CALLREG_INTUIT_STRING(prog) \
16c91539 216 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 217
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218#define CALLREGFREE(prog) \
219 Perl_pregfree(aTHX_ (prog))
220
221#define CALLREGFREE_PVT(prog) \
16c91539 222 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 223
2fdbfb4d 224#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 225 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 226
2fdbfb4d 227#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 228 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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229
230#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 231 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 232
192b9cd1 233#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 234 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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235
236#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 237 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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238
239#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 240 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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241
242#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 243 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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244
245#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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247
248#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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250
251#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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253
254#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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256
257#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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259
260#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 262
49d7dfbc 263#define CALLREG_PACKAGE(rx) \
16c91539 264 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 265
00f254e2 266#if defined(USE_ITHREADS)
f9f4320a 267#define CALLREGDUPE(prog,param) \
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268 Perl_re_dup(aTHX_ (prog),(param))
269
270#define CALLREGDUPE_PVT(prog,param) \
16c91539 271 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 272 : (REGEXP *)NULL)
f9f4320a 273#endif
14dd3ad8 274
a20207d7 275
bcdf7404 276
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277
278
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279/*
280 * Because of backward compatibility reasons the PERL_UNUSED_DECL
281 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
282 *
283 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 284 * which do not have an "inlined" way (like the gcc __attribute__) of
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285 * marking unused variables (they need e.g. a #pragma) and therefore
286 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
287 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
288 *
289 */
1266ad8c 290
9969cdde 291#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 292# ifdef __cplusplus
5ba4cab2 293# define PERL_UNUSED_DECL
5b2bd0a5 294# else
5ba4cab2 295# define PERL_UNUSED_DECL __attribute__((unused))
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296# endif
297#endif
44dbb695 298
5b2bd0a5 299#ifndef PERL_UNUSED_DECL
34659ad4 300# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 301# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 302# else
5ba4cab2 303# define PERL_UNUSED_DECL
b79c357a 304# endif
5b2bd0a5 305#endif
00f254e2 306
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307/* gcc -Wall:
308 * for silencing unused variables that are actually used most of the time,
a0288114 309 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 310 */
53c1dcc0 311#ifndef PERL_UNUSED_ARG
c99ffe5e 312# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 313# include <note.h>
53c1dcc0 314# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 315# else
53c1dcc0 316# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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317# endif
318#endif
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319#ifndef PERL_UNUSED_VAR
320# define PERL_UNUSED_VAR(x) ((void)x)
321#endif
ad73156c 322
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323#ifdef USE_ITHREADS
324# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
325#else
326# define PERL_UNUSED_CONTEXT
327#endif
328
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329/* on gcc (and clang), specify that a warning should be temporarily
330 * ignored; e.g.
331 *
332 * GCC_DIAG_IGNORE(-Wmultichar);
333 * char b = 'ab';
334 * GCC_DIAG_RESTORE;
335 *
336 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
337 *
338 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
339 * clang only pretends to be GCC 4.2, but still supports push/pop.
340 */
341
342#if defined(__clang) || \
d28ce8b4 343 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
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344# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
345
346# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
347 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
348# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
349#else
350# define GCC_DIAG_IGNORE(w)
351# define GCC_DIAG_RESTORE
352#endif
353
354
6f207bd3 355#define NOOP /*EMPTY*/(void)0
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356/* cea2e8a9dd23747f accidentally lost the comment originally from the first
357 check in of thread.h, explaining why we need dNOOP at all: */
358/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
359/* Declaring a *function*, instead of a variable, ensures that we don't rely
360 on being able to suppress "unused" warnings. */
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361#ifdef __cplusplus
362#define dNOOP (void)0
363#else
64a8239e 364#define dNOOP extern int Perl___notused(void)
7db66e12 365#endif
71be2cbc 366
0cb96387 367#ifndef pTHX
a78adc84 368/* Don't bother defining tTHX ; using it outside
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369 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
370 */
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371# define pTHX void
372# define pTHX_
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373# define aTHX
374# define aTHX_
9399a70c 375# define aTHXa(a) NOOP
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376# define dTHXa(a) dNOOP
377# define dTHX dNOOP
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378# define pTHX_1 1
379# define pTHX_2 2
380# define pTHX_3 3
381# define pTHX_4 4
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382# define pTHX_5 5
383# define pTHX_6 6
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384# define pTHX_7 7
385# define pTHX_8 8
386# define pTHX_9 9
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387#endif
388
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389#ifndef dVAR
390# define dVAR dNOOP
391#endif
392
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393/* these are only defined for compatibility; should not be used internally */
394#if !defined(pTHXo) && !defined(PERL_CORE)
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395# define pTHXo pTHX
396# define pTHXo_ pTHX_
0cb96387
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397# define aTHXo aTHX
398# define aTHXo_ aTHX_
c5be433b 399# define dTHXo dTHX
71d280e3 400# define dTHXoa(x) dTHXa(x)
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401#endif
402
403#ifndef pTHXx
5aaab254 404# define pTHXx PerlInterpreter *my_perl
0cb96387 405# define pTHXx_ pTHXx,
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406# define aTHXx my_perl
407# define aTHXx_ aTHXx,
c5be433b 408# define dTHXx dTHX
22c35a8c 409#endif
71be2cbc 410
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411/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
412 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
413 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
414#ifdef PERL_IMPLICIT_SYS
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415# ifdef PERL_GLOBAL_STRUCT_PRIVATE
416# define dTHXs dVAR; dTHX
417# else
418# define dTHXs dTHX
419# endif
1de7c2ac 420#else
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421# ifdef PERL_GLOBAL_STRUCT_PRIVATE
422# define dTHXs dVAR
423# else
424# define dTHXs dNOOP
425# endif
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426#endif
427
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428/* Some platforms require marking function declarations
429 * for them to be exportable. Used in perlio.h, proto.h
430 * is handled either by the makedef.pl or by defining the
431 * PERL_CALLCONV to be something special. See also the
432 * definition of XS() in XSUB.h. */
433#ifndef PERL_EXPORT_C
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434# ifdef __cplusplus
435# define PERL_EXPORT_C extern "C"
436# else
437# define PERL_EXPORT_C extern
438# endif
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439#endif
440#ifndef PERL_XS_EXPORT_C
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441# ifdef __cplusplus
442# define PERL_XS_EXPORT_C extern "C"
443# else
444# define PERL_XS_EXPORT_C
445# endif
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446#endif
447
e5afc1ae 448/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 449 * g++ allows them but seems to have problems with them
70aab261
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450 * (insane errors ensue).
451 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
452 */
453#if defined(PERL_GCC_PEDANTIC) || \
454 (defined(__GNUC__) && defined(__cplusplus) && \
455 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 456# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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457# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
458# endif
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459#endif
460
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461#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
462# ifndef PERL_USE_GCC_BRACE_GROUPS
463# define PERL_USE_GCC_BRACE_GROUPS
464# endif
465#endif
466
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467/*
468 * STMT_START { statements; } STMT_END;
469 * can be used as a single statement, as in
470 * if (x) STMT_START { ... } STMT_END; else ...
471 *
472 * Trying to select a version that gives no warnings...
473 */
474#if !(defined(STMT_START) && defined(STMT_END))
5b692037 475# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 476# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
477# define STMT_END )
478# else
728e2803
PP
479# define STMT_START do
480# define STMT_END while (0)
728e2803
PP
481# endif
482#endif
483
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JH
484#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
485# define BYTEORDER 0x1234
79072805
LW
486#endif
487
488/* Overall memory policy? */
489#ifndef CONSERVATIVE
490# define LIBERAL 1
491#endif
492
8ada0baa
JH
493#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
494#define ASCIIish
495#else
496#undef ASCIIish
497#endif
498
79072805
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499/*
500 * The following contortions are brought to you on behalf of all the
501 * standards, semi-standards, de facto standards, not-so-de-facto standards
502 * of the world, as well as all the other botches anyone ever thought of.
503 * The basic theory is that if we work hard enough here, the rest of the
504 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
505 */
ac58e20f 506
ee0007ab 507/* define this once if either system, instead of cluttering up the src */
7c458fae 508#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
509#define DOSISH 1
510#endif
511
739a0b84 512#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
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513# define STANDARD_C 1
514#endif
515
8d87852b 516#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
517# define DONT_DECLARE_STD 1
518#endif
519
352d5a3a 520#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 521# define VOL volatile
663a0e37 522#else
79072805 523# define VOL
663a0e37
LW
524#endif
525
284167a5
SM
526/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
527 * you get a perl without taint support, but doubtlessly with a lesser
528 * degree of support. Do not do so unless you know exactly what it means
529 * technically, have a good reason to do so, and know exactly how the
530 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
531 * a potential security risk due to flat out ignoring the security-relevant
532 * taint flags. This being said, a perl without taint support compiled in
533 * has marginal run-time performance benefits.
534 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
535 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
536 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
537 *
538 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 539 * voids your nonexistent warranty!
284167a5
SM
540 */
541#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
542# define NO_TAINT_SUPPORT 1
543#endif
544
545/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
546 * operations into no-ops for a very modest speed-up. Enable only if you
547 * know what you're doing: tests and CPAN modules' tests are bound to fail.
548 */
549#if NO_TAINT_SUPPORT
550# define TAINT NOOP
551# define TAINT_NOT NOOP
552# define TAINT_IF(c) NOOP
553# define TAINT_ENV() NOOP
554# define TAINT_PROPER(s) NOOP
555# define TAINT_set(s) NOOP
556# define TAINT_get 0
557# define TAINTING_get 0
558# define TAINTING_set(s) NOOP
559# define TAINT_WARN_get 0
560# define TAINT_WARN_set(s) NOOP
561#else
562# define TAINT (PL_tainted = TRUE)
563# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
564# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
565# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
566# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
567# define TAINT_set(s) (PL_tainted = (s))
568# define TAINT_get (PL_tainted)
569# define TAINTING_get (PL_tainting)
570# define TAINTING_set(s) (PL_tainting = (s))
571# define TAINT_WARN_get (PL_taint_warn)
572# define TAINT_WARN_set(s) (PL_taint_warn = (s))
573#endif
a687059c 574
20be6587
DM
575/* flags used internally only within pp_subst and pp_substcont */
576#ifdef PERL_CORE
577# define SUBST_TAINT_STR 1 /* string tainted */
578# define SUBST_TAINT_PAT 2 /* pattern tainted */
579# define SUBST_TAINT_REPL 4 /* replacement tainted */
580# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
581# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
582#endif
583
d460ef45 584/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
585 defines move there? If so, I could simplify this a lot. --AD 9/96.
586*/
587/* Process group stuff changed from traditional BSD to POSIX.
588 perlfunc.pod documents the traditional BSD-style syntax, so we'll
589 try to preserve that, if possible.
590*/
591#ifdef HAS_SETPGID
592# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 593#else
a6e633de
PP
594# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
595# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
596# else
597# ifdef HAS_SETPGRP2 /* DG/UX */
598# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
599# endif
600# endif
601#endif
602#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
603# define HAS_SETPGRP /* Well, effectively it does . . . */
604#endif
605
606/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
607 our life easier :-) so we'll try it.
608*/
609#ifdef HAS_GETPGID
610# define BSD_GETPGRP(pid) getpgid((pid))
611#else
612# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
613# define BSD_GETPGRP(pid) getpgrp((pid))
614# else
615# ifdef HAS_GETPGRP2 /* DG/UX */
616# define BSD_GETPGRP(pid) getpgrp2((pid))
617# endif
618# endif
619#endif
620#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
621# define HAS_GETPGRP /* Well, effectively it does . . . */
622#endif
623
d460ef45 624/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
625 have different behaviors, but perl.h used to define USE_BSDPGRP
626 (prior to 5.003_05) so some extension might depend on it.
627*/
628#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
629# ifndef USE_BSDPGRP
630# define USE_BSDPGRP
631# endif
663a0e37
LW
632#endif
633
486ec47a 634/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
635 pthread.h must be included before all other header files.
636*/
3db8f154 637#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
638# include <pthread.h>
639#endif
640
58ab9e8b 641#include <sys/types.h>
663a0e37 642
760ac839
LW
643#ifdef __cplusplus
644# ifndef I_STDARG
645# define I_STDARG 1
646# endif
647#endif
648
649#ifdef I_STDARG
650# include <stdarg.h>
651#else
652# ifdef I_VARARGS
653# include <varargs.h>
654# endif
655#endif
656
4633a7c4 657#ifdef USE_NEXT_CTYPE
0c30d9ec 658
092bebab
JH
659#if NX_CURRENT_COMPILER_RELEASE >= 500
660# include <bsd/ctypes.h>
661#else
662# if NX_CURRENT_COMPILER_RELEASE >= 400
663# include <objc/NXCType.h>
664# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
665# include <appkit/NXCType.h>
666# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
667#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
668
669#else /* !USE_NEXT_CTYPE */
fe14fcc3 670#include <ctype.h>
0c30d9ec 671#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
672
673#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
674#undef METHOD
a0d0e21e
LW
675#endif
676
12ae5dfc
JH
677#ifdef PERL_MICRO
678# define NO_LOCALE
679#endif
680
4633a7c4 681#ifdef I_LOCALE
36477c24 682# include <locale.h>
4633a7c4
LW
683#endif
684
36477c24
PP
685#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
686# define USE_LOCALE
ccd65d51
KW
687# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
688 capability */
36477c24
PP
689# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
690 && defined(HAS_STRXFRM)
691# define USE_LOCALE_COLLATE
692# endif
693# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
694# define USE_LOCALE_CTYPE
695# endif
696# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
697# define USE_LOCALE_NUMERIC
698# endif
fa9b773e
KW
699# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
700# define USE_LOCALE_MESSAGES
701# endif
702# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
703# define USE_LOCALE_MONETARY
704# endif
36477c24 705#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 706
fe14fcc3 707#include <setjmp.h>
79072805 708
a0d0e21e 709#ifdef I_SYS_PARAM
79072805
LW
710# ifdef PARAM_NEEDS_TYPES
711# include <sys/types.h>
712# endif
713# include <sys/param.h>
352d5a3a 714#endif
79072805 715
ce3470dc
AD
716/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
717 value something like 199306. This may be useful if no more-specific
718 feature test is available.
719*/
720#if defined(BSD)
721# ifndef BSDish
722# define BSDish
723# endif
724#endif
725
79072805 726/* Use all the "standard" definitions? */
a0d0e21e 727#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 728# include <stdlib.h>
ff68c719 729#endif
03a14243 730
3f270f98
JH
731/* If this causes problems, set i_unistd=undef in the hint file. */
732#ifdef I_UNISTD
733# include <unistd.h>
734#endif
735
de8ca8af
NT
736/* for WCOREDUMP */
737#ifdef I_SYS_WAIT
738# include <sys/wait.h>
739#endif
740
9969cdde 741#ifdef __SYMBIAN32__
27da23d5
JH
742# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
743#endif
744
21e89b5f 745#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 746EXTERN_C int syscall(int, ...);
2ef53570
JH
747#endif
748
21e89b5f 749#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 750EXTERN_C int usleep(unsigned int);
2ef53570
JH
751#endif
752
1109a392
MHM
753#ifdef PERL_CORE
754
755/* macros for correct constant construction */
756# if INTSIZE >= 2
757# define U16_CONST(x) ((U16)x##U)
758# else
759# define U16_CONST(x) ((U16)x##UL)
760# endif
761
762# if INTSIZE >= 4
763# define U32_CONST(x) ((U32)x##U)
764# else
765# define U32_CONST(x) ((U32)x##UL)
766# endif
767
768# ifdef HAS_QUAD
769# if INTSIZE >= 8
770# define U64_CONST(x) ((U64)x##U)
771# elif LONGSIZE >= 8
772# define U64_CONST(x) ((U64)x##UL)
773# elif QUADKIND == QUAD_IS_LONG_LONG
774# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
775# elif QUADKIND == QUAD_IS___INT64
776# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
777# else /* best guess we can make */
778# define U64_CONST(x) ((U64)x##UL)
779# endif
780# endif
781
782/* byte-swapping functions for big-/little-endian conversion */
783# define _swab_16_(x) ((U16)( \
784 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
785 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
786
787# define _swab_32_(x) ((U32)( \
788 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
789 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
790 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
791 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
792
793# ifdef HAS_QUAD
794# define _swab_64_(x) ((U64)( \
795 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
796 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
797 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
798 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
799 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
800 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
801 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
802 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
803# endif
804
9c17f24a
NC
805/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
806 at least on FreeBSD. YMMV, so experiment. */
807#ifndef PERL_ARENA_SIZE
808#define PERL_ARENA_SIZE 4080
809#endif
810
ccb2c8b8 811/* Maximum level of recursion */
2b9dff67
RGS
812#ifndef PERL_SUB_DEPTH_WARN
813#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
814#endif
815
1109a392
MHM
816#endif /* PERL_CORE */
817
bdf3085f
NC
818/* We no longer default to creating a new SV for GvSV.
819 Do this before embed. */
820#ifndef PERL_CREATE_GVSV
7459f06b
NC
821# ifndef PERL_DONT_CREATE_GVSV
822# define PERL_DONT_CREATE_GVSV
823# endif
bdf3085f
NC
824#endif
825
ca0c25f6
NC
826#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
827#define PERL_USES_PL_PIDSTATUS
828#endif
829
739a0b84 830#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
831#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
832#endif
833
c31fac66
GS
834#define MEM_SIZE Size_t
835
1936d2a7
NC
836/* Round all values passed to malloc up, by default to a multiple of
837 sizeof(size_t)
838*/
839#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
840#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
841#endif
842
f1200559
WH
843/* sv_grow() will expand strings by at least a certain percentage of
844 the previously *used* length to avoid excessive calls to realloc().
845 The default is 25% of the current length.
846*/
847#ifndef PERL_STRLEN_EXPAND_SHIFT
848# define PERL_STRLEN_EXPAND_SHIFT 2
849#endif
850
51371543
GS
851#if defined(STANDARD_C) && defined(I_STDDEF)
852# include <stddef.h>
853# define STRUCT_OFFSET(s,m) offsetof(s,m)
854#else
855# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
856#endif
857
9969cdde 858#ifndef __SYMBIAN32__
27da23d5
JH
859# if defined(I_STRING) || defined(__cplusplus)
860# include <string.h>
861# else
862# include <strings.h>
863# endif
51371543
GS
864#endif
865
55497cff
PP
866/* This comes after <stdlib.h> so we don't try to change the standard
867 * library prototypes; we'll use our own in proto.h instead. */
03a14243 868
4633a7c4 869#ifdef MYMALLOC
86058a2d 870# ifdef PERL_POLLUTE_MALLOC
ee13e175 871# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
872# define Perl_malloc malloc
873# define Perl_calloc calloc
874# define Perl_realloc realloc
875# define Perl_mfree free
ee13e175 876# endif
86058a2d
GS
877# else
878# define EMBEDMYMALLOC /* for compatibility */
879# endif
827e134a 880
651b9576
GS
881# define safemalloc Perl_malloc
882# define safecalloc Perl_calloc
883# define saferealloc Perl_realloc
884# define safefree Perl_mfree
22f7c9c9
JH
885# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
886 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
887 code; \
888 } STMT_END
889# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
890 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
891# define panic_write2(s) write(2, s, strlen(s))
892# define CHECK_MALLOC_TAINT(newval) \
893 CHECK_MALLOC_TOO_LATE_FOR_( \
894 if (newval) { \
895 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
896 exit(1); })
22f7c9c9 897# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 898 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
899 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
900 }} STMT_END;
f2517201
GS
901#else /* MYMALLOC */
902# define safemalloc safesysmalloc
903# define safecalloc safesyscalloc
904# define saferealloc safesysrealloc
905# define safefree safesysfree
22f7c9c9
JH
906# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
907# define CHECK_MALLOC_TAINT(newval) ((void)0)
908# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 909#endif /* MYMALLOC */
4633a7c4 910
fe13d51d 911/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 912#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
913#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
914#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
915#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
916
a0d0e21e
LW
917#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
918#define strchr index
919#define strrchr rindex
920#endif
921
16d20bd9
AD
922#ifdef I_MEMORY
923# include <memory.h>
924#endif
925
fe14fcc3 926#ifdef HAS_MEMCPY
85e6fe83 927# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 928# ifndef memcpy
20ce7b12 929 extern char * memcpy (char*, char*, int);
ee0007ab
LW
930# endif
931# endif
932#else
933# ifndef memcpy
934# ifdef HAS_BCOPY
935# define memcpy(d,s,l) bcopy(s,d,l)
936# else
937# define memcpy(d,s,l) my_bcopy(s,d,l)
938# endif
939# endif
940#endif /* HAS_MEMCPY */
fe14fcc3 941
ee0007ab 942#ifdef HAS_MEMSET
85e6fe83 943# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 944# ifndef memset
20ce7b12 945 extern char *memset (char*, int, int);
ee0007ab
LW
946# endif
947# endif
ee0007ab 948#else
12ae5dfc 949# undef memset
fc36a67e 950# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
951#endif /* HAS_MEMSET */
952
85e6fe83 953#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 954# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
955# define memmove(d,s,l) bcopy(s,d,l)
956# else
2304df62 957# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 958# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 959# else
79072805 960# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 961# endif
352d5a3a 962# endif
d9d8d8de 963#endif
ee0007ab 964
36477c24
PP
965#if defined(mips) && defined(ultrix) && !defined(__STDC__)
966# undef HAS_MEMCMP
967#endif
968
969#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 970# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 971# ifndef memcmp
20ce7b12 972 extern int memcmp (char*, char*, int);
ee0007ab
LW
973# endif
974# endif
975#else
976# ifndef memcmp
ecfc5424 977# define memcmp my_memcmp
352d5a3a 978# endif
36477c24 979#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 980
fc36a67e 981#ifndef memzero
c635e13b
PP
982# ifdef HAS_MEMSET
983# define memzero(d,l) memset(d,0,l)
79072805 984# else
c635e13b
PP
985# ifdef HAS_BZERO
986# define memzero(d,l) bzero(d,l)
79072805 987# else
fc36a67e 988# define memzero(d,l) my_bzero(d,l)
79072805
LW
989# endif
990# endif
d9d8d8de 991#endif
378cc40b 992
2f42fcb0 993#ifndef PERL_MICRO
0f27ced1
JH
994#ifndef memchr
995# ifndef HAS_MEMCHR
996# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
997# endif
998#endif
2f42fcb0 999#endif
0f27ced1 1000
36477c24
PP
1001#ifndef HAS_BCMP
1002# ifndef bcmp
1003# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1004# endif
36477c24 1005#endif /* !HAS_BCMP */
378cc40b 1006
ae986130 1007#ifdef I_NETINET_IN
79072805 1008# include <netinet/in.h>
ae986130
LW
1009#endif
1010
28e8609d
JH
1011#ifdef I_ARPA_INET
1012# include <arpa/inet.h>
1013#endif
1014
1aef975c 1015#ifdef I_SYS_STAT
84902520 1016# include <sys/stat.h>
1aef975c 1017#endif
79072805 1018
287a962e
JD
1019/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1020 This definition should ideally go into win32/win32.h, but S_IFIFO is
1021 used later here in perl.h before win32/win32.h is being included. */
1022#if !defined(S_IFIFO) && defined(_S_IFIFO)
1023# define S_IFIFO _S_IFIFO
1024#endif
1025
cc3315ba 1026/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1027 like UTekV) are broken, sometimes giving false positives. Undefine
1028 them here and let the code below set them to proper values.
1029
1030 The ghs macro stands for GreenHills Software C-1.8.5 which
1031 is the C compiler for sysV88 and the various derivatives.
1032 This header file bug is corrected in gcc-2.5.8 and later versions.
1033 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1034
cc3315ba 1035#if defined(m88k) && defined(ghs)
79072805
LW
1036# undef S_ISDIR
1037# undef S_ISCHR
1038# undef S_ISBLK
1039# undef S_ISREG
1040# undef S_ISFIFO
1041# undef S_ISLNK
ee0007ab 1042#endif
135863df 1043
663a0e37
LW
1044#ifdef I_TIME
1045# include <time.h>
ffed7fef 1046#endif
663a0e37 1047
fe14fcc3 1048#ifdef I_SYS_TIME
85e6fe83 1049# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1050# define KERNEL
1051# endif
1052# include <sys/time.h>
85e6fe83 1053# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1054# undef KERNEL
1055# endif
a687059c 1056#endif
135863df 1057
55497cff 1058#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1059# include <sys/times.h>
d9d8d8de 1060#endif
8d063cd8 1061
fe14fcc3 1062#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1063# undef HAS_STRERROR
663a0e37
LW
1064#endif
1065
1066#include <errno.h>
1e743fda 1067
acfe0abc 1068#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1069# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1070#endif
1071
8cfab5ff 1072/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1073 * This is important for using IPv6.
8cfab5ff
JH
1074 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1075 * a bad idea since it breaks send() and recv(). */
1076#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1077# define _SOCKADDR_LEN
1078#endif
1079
da70cfc6 1080#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1081# include <sys/socket.h>
1082# if defined(USE_SOCKS) && defined(I_SOCKS)
1083# if !defined(INCLUDE_PROTOTYPES)
1084# define INCLUDE_PROTOTYPES /* for <socks.h> */
1085# define PERL_SOCKS_NEED_PROTOTYPES
1086# endif
1087# include <socks.h>
1088# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1089# undef INCLUDE_PROTOTYPES
1090# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1091# endif
d460ef45 1092# endif
1e743fda 1093# ifdef I_NETDB
2986a63f
JH
1094# ifdef NETWARE
1095# include<stdio.h>
1096# endif
1e743fda
JH
1097# include <netdb.h>
1098# endif
1099# ifndef ENOTSOCK
1100# ifdef I_NET_ERRNO
1101# include <net/errno.h>
1102# endif
1103# endif
1104#endif
1105
fa0a29af 1106/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1107 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1108 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1109#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1110# if defined(__THROW) && defined(__GLIBC__)
1111int sockatmark(int) __THROW;
1112# else
2ef53570 1113int sockatmark(int);
29820b6d 1114# endif
2ef53570
JH
1115#endif
1116
7e827271 1117#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
1118EXTERN_C int fchdir(int);
1119EXTERN_C int flock(int, int);
1120EXTERN_C int fseeko(FILE *, off_t, int);
1121EXTERN_C off_t ftello(FILE *);
1122#endif
1123
7e827271 1124#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1125EXTERN_C char *crypt(const char *, const char *);
7e827271 1126EXTERN_C char **environ;
1ccb7c8d
JH
1127#endif
1128
83a6ff2e 1129#if defined(__cplusplus)
ce3470dc 1130# if defined(BSDish)
b91fbb93 1131EXTERN_C char **environ;
83a6ff2e 1132# elif defined(__CYGWIN__)
667e2948
SP
1133EXTERN_C char *crypt(const char *, const char *);
1134#endif
83a6ff2e 1135#endif
667e2948 1136
1e743fda
JH
1137#ifdef SETERRNO
1138# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1139#endif
f86702cc
PP
1140
1141#ifdef VMS
1142# define SETERRNO(errcode,vmserrcode) \
1143 STMT_START { \
1144 set_errno(errcode); \
1145 set_vaxc_errno(vmserrcode); \
1146 } STMT_END
4ee39169
CS
1147# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1148# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1149# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1150# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1151
93189314
JH
1152# define LIB_INVARG LIB$_INVARG
1153# define RMS_DIR RMS$_DIR
1154# define RMS_FAC RMS$_FAC
1155# define RMS_FEX RMS$_FEX
1156# define RMS_FNF RMS$_FNF
1157# define RMS_IFI RMS$_IFI
1158# define RMS_ISI RMS$_ISI
1159# define RMS_PRV RMS$_PRV
1160# define SS_ACCVIO SS$_ACCVIO
1161# define SS_DEVOFFLINE SS$_DEVOFFLINE
1162# define SS_IVCHAN SS$_IVCHAN
1163# define SS_NORMAL SS$_NORMAL
748a9306 1164#else
93189314
JH
1165# define LIB_INVARG 0
1166# define RMS_DIR 0
1167# define RMS_FAC 0
1168# define RMS_FEX 0
1169# define RMS_FNF 0
1170# define RMS_IFI 0
1171# define RMS_ISI 0
1172# define RMS_PRV 0
1173# define SS_ACCVIO 0
1174# define SS_DEVOFFLINE 0
1175# define SS_IVCHAN 0
1176# define SS_NORMAL 0
748a9306 1177#endif
ed6116ce 1178
6ca940a9
TC
1179#ifdef WIN32
1180# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1181# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1182# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1183# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1184#endif
1185
1186#ifdef OS2
1187# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1188# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1189# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1190# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1191#endif
1192
1193#ifndef SETERRNO
1194# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1195#endif
1196
1197#ifndef dSAVEDERRNO
1198# define dSAVEDERRNO int saved_errno
1199# define dSAVE_ERRNO int saved_errno = errno
1200# define SAVE_ERRNO (saved_errno = errno)
1201# define RESTORE_ERRNO (errno = saved_errno)
1202#endif
1203
f5fa9033 1204#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1205
1206#define CLEAR_ERRSV() STMT_START { \
1207 if (!GvSV(PL_errgv)) { \
1208 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1209 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1210 SvREFCNT_dec(GvSV(PL_errgv)); \
1211 GvSV(PL_errgv) = newSVpvs(""); \
1212 } else { \
1213 SV *const errsv = GvSV(PL_errgv); \
1214 sv_setpvs(errsv, ""); \
1215 if (SvMAGICAL(errsv)) { \
1216 mg_free(errsv); \
1217 } \
1218 SvPOK_only(errsv); \
1219 } \
1220 } STMT_END
1221
1222
414bf5ae
MHM
1223#ifdef PERL_CORE
1224# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1225# define DEFSV_set(sv) \
1226 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1227# define SAVE_DEFSV \
1228 ( \
1229 save_gp(PL_defgv, 0), \
1230 GvINTRO_off(PL_defgv), \
1231 SAVEGENERICSV(GvSV(PL_defgv)), \
1232 GvSV(PL_defgv) = NULL \
1233 )
414bf5ae
MHM
1234#else
1235# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1236# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1237# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1238#endif
38a03e6e 1239
55497cff 1240#ifndef errno
5ff3f7a4
GS
1241 extern int errno; /* ANSI allows errno to be an lvalue expr.
1242 * For example in multithreaded environments
1243 * something like this might happen:
1244 * extern int *_errno(void);
1245 * #define errno (*_errno()) */
d9d8d8de 1246#endif
663a0e37 1247
7e996671
KW
1248#define UNKNOWN_ERRNO_MSG "(unknown)"
1249
2304df62 1250#ifdef HAS_STRERROR
b3e384bf 1251# ifndef DONT_DECLARE_STD
a0d0e21e 1252# ifdef VMS
20ce7b12 1253 char *strerror (int,...);
a0d0e21e 1254# else
20ce7b12 1255 char *strerror (int);
a0d0e21e 1256# endif
b3e384bf
KW
1257# endif
1258# ifndef Strerror
1259# define Strerror strerror
1260# endif
2304df62
AD
1261#else
1262# ifdef HAS_SYS_ERRLIST
79072805
LW
1263 extern int sys_nerr;
1264 extern char *sys_errlist[];
2304df62
AD
1265# ifndef Strerror
1266# define Strerror(e) \
7e996671 1267 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1268# endif
79072805 1269# endif
35c8bce7 1270#endif
663a0e37 1271
2304df62 1272#ifdef I_SYS_IOCTL
79072805
LW
1273# ifndef _IOCTL_
1274# include <sys/ioctl.h>
1275# endif
a687059c
LW
1276#endif
1277
ee0007ab 1278#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1279# ifdef HAS_SOCKETPAIR
1280# undef HAS_SOCKETPAIR
1281# endif
2304df62
AD
1282# ifdef I_NDBM
1283# undef I_NDBM
79072805 1284# endif
a687059c
LW
1285#endif
1286
02fc2eee
NC
1287#ifndef HAS_SOCKETPAIR
1288# ifdef HAS_SOCKET
1289# define socketpair Perl_my_socketpair
1290# endif
1291#endif
1292
a687059c 1293#if INTSIZE == 2
79072805
LW
1294# define htoni htons
1295# define ntohi ntohs
a687059c 1296#else
79072805
LW
1297# define htoni htonl
1298# define ntohi ntohl
a687059c
LW
1299#endif
1300
a0d0e21e 1301/* Configure already sets Direntry_t */
35c8bce7 1302#if defined(I_DIRENT)
663a0e37 1303# include <dirent.h>
8f1f23e8
W
1304 /* NeXT needs dirent + sys/dir.h */
1305# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1306# include <sys/dir.h>
1307# endif
ae986130 1308#else
fe14fcc3 1309# ifdef I_SYS_NDIR
79a0689e 1310# include <sys/ndir.h>
663a0e37 1311# else
fe14fcc3 1312# ifdef I_SYS_DIR
79a0689e
LW
1313# ifdef hp9000s500
1314# include <ndir.h> /* may be wrong in the future */
1315# else
1316# include <sys/dir.h>
1317# endif
663a0e37
LW
1318# endif
1319# endif
4633a7c4 1320#endif
a687059c 1321
c623bd54
LW
1322/*
1323 * The following gobbledygook brought to you on behalf of __STDC__.
1324 * (I could just use #ifndef __STDC__, but this is more bulletproof
1325 * in the face of half-implementations.)
1326 */
1327
21e89b5f 1328#if defined(I_SYSMODE)
ca6e1c26
JH
1329#include <sys/mode.h>
1330#endif
1331
c623bd54
LW
1332#ifndef S_IFMT
1333# ifdef _S_IFMT
1334# define S_IFMT _S_IFMT
1335# else
1336# define S_IFMT 0170000
1337# endif
1338#endif
1339
1340#ifndef S_ISDIR
1341# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1342#endif
1343
1344#ifndef S_ISCHR
1345# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1346#endif
1347
1348#ifndef S_ISBLK
fe14fcc3
LW
1349# ifdef S_IFBLK
1350# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1351# else
1352# define S_ISBLK(m) (0)
1353# endif
c623bd54
LW
1354#endif
1355
1356#ifndef S_ISREG
1357# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1358#endif
1359
1360#ifndef S_ISFIFO
fe14fcc3
LW
1361# ifdef S_IFIFO
1362# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1363# else
1364# define S_ISFIFO(m) (0)
1365# endif
c623bd54
LW
1366#endif
1367
1368#ifndef S_ISLNK
1369# ifdef _S_ISLNK
1370# define S_ISLNK(m) _S_ISLNK(m)
1371# else
1372# ifdef _S_IFLNK
1373# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1374# else
1375# ifdef S_IFLNK
1376# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1377# else
1378# define S_ISLNK(m) (0)
1379# endif
1380# endif
1381# endif
1382#endif
1383
1384#ifndef S_ISSOCK
1385# ifdef _S_ISSOCK
1386# define S_ISSOCK(m) _S_ISSOCK(m)
1387# else
1388# ifdef _S_IFSOCK
1389# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1390# else
1391# ifdef S_IFSOCK
1392# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1393# else
1394# define S_ISSOCK(m) (0)
1395# endif
1396# endif
1397# endif
1398#endif
1399
1400#ifndef S_IRUSR
1401# ifdef S_IREAD
1402# define S_IRUSR S_IREAD
1403# define S_IWUSR S_IWRITE
1404# define S_IXUSR S_IEXEC
1405# else
1406# define S_IRUSR 0400
1407# define S_IWUSR 0200
1408# define S_IXUSR 0100
1409# endif
fac7cdfc 1410#endif
1411
1412#ifndef S_IRGRP
1413# ifdef S_IRUSR
1414# define S_IRGRP (S_IRUSR>>3)
1415# define S_IWGRP (S_IWUSR>>3)
1416# define S_IXGRP (S_IXUSR>>3)
1417# else
1418# define S_IRGRP 0040
1419# define S_IWGRP 0020
1420# define S_IXGRP 0010
1421# endif
1422#endif
1423
1424#ifndef S_IROTH
1425# ifdef S_IRUSR
1426# define S_IROTH (S_IRUSR>>6)
1427# define S_IWOTH (S_IWUSR>>6)
1428# define S_IXOTH (S_IXUSR>>6)
1429# else
1430# define S_IROTH 0040
1431# define S_IWOTH 0020
1432# define S_IXOTH 0010
1433# endif
c623bd54
LW
1434#endif
1435
1436#ifndef S_ISUID
1437# define S_ISUID 04000
1438#endif
1439
1440#ifndef S_ISGID
1441# define S_ISGID 02000
1442#endif
1443
ca6e1c26
JH
1444#ifndef S_IRWXU
1445# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1446#endif
ca6e1c26
JH
1447
1448#ifndef S_IRWXG
1449# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1450#endif
ca6e1c26
JH
1451
1452#ifndef S_IRWXO
1453# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1454#endif
ca6e1c26 1455
b6c36746 1456/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1457 * which would get included through <sys/file.h >, but that is 3000
1458 * lines in the future. --jhi */
1459
b6c36746 1460#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1461# define S_IREAD S_IRUSR
1462#endif
1463
b6c36746 1464#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1465# define S_IWRITE S_IWUSR
1466#endif
1467
1468#ifndef S_IEXEC
1469# define S_IEXEC S_IXUSR
1470#endif
1471
a0d0e21e 1472#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1473# define SLOPPYDIVIDE
1474#endif
1475
748a9306
LW
1476#ifdef UV
1477#undef UV
1478#endif
1479
ce582cee
NC
1480/* For the times when you want the return value of sprintf, and you want it
1481 to be the length. Can't have a thread variable passed in, because C89 has
1482 no varargs macros.
1483*/
1484#ifdef SPRINTF_RETURNS_STRLEN
1485# define my_sprintf sprintf
1486#else
1487# define my_sprintf Perl_my_sprintf
1488#endif
1489
5b692037
JH
1490/*
1491 * If we have v?snprintf() and the C99 variadic macros, we can just
1492 * use just the v?snprintf(). It is nice to try to trap the buffer
1493 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1494 * gcc statement expressions, then use the function wrappers which try
1495 * to trap the overflow. If we can use the gcc statement expressions,
1496 * we can try that even with the version that uses the C99 variadic
1497 * macros.
5b692037
JH
1498 */
1499
1208b3dd
JH
1500/* Note that we do not check against snprintf()/vsnprintf() returning
1501 * negative values because that is non-standard behaviour and we use
1502 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1503 * that should be true only if the snprintf()/vsnprintf() are true
1504 * to the standard. */
1505
dfeee9b1 1506#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1507# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1508# 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 1509# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1510# else
1511# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1512# endif
1513#else
1514# define my_snprintf Perl_my_snprintf
1208b3dd 1515# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1516#endif
1517
dfeee9b1 1518#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1519# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1520# 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 1521# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1522# else
1523# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1524# endif
1525#else
1526# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1527# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1528#endif
d9fad198 1529
a6cc4119
SP
1530#ifdef HAS_STRLCAT
1531# define my_strlcat strlcat
1532#else
1533# define my_strlcat Perl_my_strlcat
1534#endif
1535
1536#ifdef HAS_STRLCPY
1537# define my_strlcpy strlcpy
1538#else
1539# define my_strlcpy Perl_my_strlcpy
1540#endif
1541
05f13f53 1542/*
27d4fb96
PP
1543 The IV type is supposed to be long enough to hold any integral
1544 value or a pointer.
1545 --Andy Dougherty August 1996
1546*/
1547
a22e52b9
JH
1548typedef IVTYPE IV;
1549typedef UVTYPE UV;
8175356b 1550
10cc9d2a 1551#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1552# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1553# define IV_MAX INT64_MAX
1554# define IV_MIN INT64_MIN
1555# define UV_MAX UINT64_MAX
cae7ae48
JH
1556# ifndef UINT64_MIN
1557# define UINT64_MIN 0
1558# endif
5ff3f7a4
GS
1559# define UV_MIN UINT64_MIN
1560# else
1561# define IV_MAX PERL_QUAD_MAX
1562# define IV_MIN PERL_QUAD_MIN
1563# define UV_MAX PERL_UQUAD_MAX
1564# define UV_MIN PERL_UQUAD_MIN
1565# endif
cf2093f6
JH
1566# define IV_IS_QUAD
1567# define UV_IS_QUAD
79072805 1568#else
8175356b 1569# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1570# define IV_MAX INT32_MAX
1571# define IV_MIN INT32_MIN
716026f9
DL
1572# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1573# define UV_MAX UINT32_MAX
1574# else
1575# define UV_MAX 4294967295U
1576# endif
cae7ae48
JH
1577# ifndef UINT32_MIN
1578# define UINT32_MIN 0
1579# endif
5ff3f7a4
GS
1580# define UV_MIN UINT32_MIN
1581# else
1582# define IV_MAX PERL_LONG_MAX
1583# define IV_MIN PERL_LONG_MIN
1584# define UV_MAX PERL_ULONG_MAX
1585# define UV_MIN PERL_ULONG_MIN
1586# endif
8175356b 1587# if IVSIZE == 8
cf2093f6
JH
1588# define IV_IS_QUAD
1589# define UV_IS_QUAD
de1c2614
JH
1590# ifndef HAS_QUAD
1591# define HAS_QUAD
1592# endif
cf2093f6
JH
1593# else
1594# undef IV_IS_QUAD
1595# undef UV_IS_QUAD
9ea40801 1596#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1597/* We think that removing this decade-old undef this will cause too much
1598 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1599 However, we do need HAS_QUAD in the core for use by the drand48 code,
1600 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1601# undef HAS_QUAD
e25d460c 1602#endif
cf2093f6 1603# endif
79072805 1604#endif
d7d93a81 1605
9a543cee
FC
1606#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1607
cae7ae48 1608#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1609#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1610
28e5dec8 1611#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1612#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1613#endif
1614
d460ef45 1615/*
26bb67e2
JH
1616 * The macros INT2PTR and NUM2PTR are (despite their names)
1617 * bi-directional: they will convert int/float to or from pointers.
1618 * However the conversion to int/float are named explicitly:
1619 * PTR2IV, PTR2UV, PTR2NV.
1620 *
1621 * For int conversions we do not need two casts if pointers are
1622 * the same size as IV and UV. Otherwise we need an explicit
1623 * cast (PTRV) to avoid compiler warnings.
1624 */
56431972
RB
1625#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1626# define PTRV UV
1627# define INT2PTR(any,d) (any)(d)
1628#else
d460ef45 1629# if PTRSIZE == LONGSIZE
56431972 1630# define PTRV unsigned long
e91e3b10 1631# define PTR2ul(p) (unsigned long)(p)
42718184 1632# else
56431972 1633# define PTRV unsigned
42718184 1634# endif
e91e3b10
RB
1635#endif
1636
1637#ifndef INT2PTR
56431972 1638# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1639#endif
e91e3b10
RB
1640
1641#ifndef PTR2ul
1642# define PTR2ul(p) INT2PTR(unsigned long,p)
1643#endif
1644
56431972
RB
1645#define NUM2PTR(any,d) (any)(PTRV)(d)
1646#define PTR2IV(p) INT2PTR(IV,p)
1647#define PTR2UV(p) INT2PTR(UV,p)
1648#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1649#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1650
8141890a
JH
1651/* According to strict ANSI C89 one cannot freely cast between
1652 * data pointers and function (code) pointers. There are at least
1653 * two ways around this. One (used below) is to do two casts,
1654 * first the other pointer to an (unsigned) integer, and then
1655 * the integer to the other pointer. The other way would be
1656 * to use unions to "overlay" the pointers. For an example of
1657 * the latter technique, see union dirpu in struct xpvio in sv.h.
1658 * The only feasible use is probably temporarily storing
1659 * function pointers in a data pointer (such as a void pointer). */
1660
e91e3b10
RB
1661#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1662#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1663
65202027 1664#ifdef USE_LONG_DOUBLE
1048ea30
JH
1665# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1666# define LONG_DOUBLE_EQUALS_DOUBLE
1667# endif
68d4903c 1668# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1669# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1670# endif
1671#endif
1672
2d4389e4
JH
1673#ifdef OVR_DBL_DIG
1674/* Use an overridden DBL_DIG */
1675# ifdef DBL_DIG
1676# undef DBL_DIG
1677# endif
1678# define DBL_DIG OVR_DBL_DIG
1679#else
1680/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1681 default value for printing floating point numbers in Gconvert
1682 (see config.h). (It also has other uses, such as figuring out if
1683 a given precision of printing can be done with a double instead of
1684 a long double - Allen).
2d4389e4
JH
1685*/
1686#ifdef I_LIMITS
1687#include <limits.h>
1688#endif
1689#ifdef I_FLOAT
1690#include <float.h>
1691#endif
1692#ifndef HAS_DBL_DIG
1693#define DBL_DIG 15 /* A guess that works lots of places */
1694#endif
1695#endif
1696
1697#ifdef OVR_LDBL_DIG
1698/* Use an overridden LDBL_DIG */
1699# ifdef LDBL_DIG
1700# undef LDBL_DIG
1701# endif
1702# define LDBL_DIG OVR_LDBL_DIG
1703#else
1704/* The following is all to get LDBL_DIG, in order to pick a nice
1705 default value for printing floating point numbers in Gconvert.
1706 (see config.h)
1707*/
68d4903c
JH
1708# ifdef I_LIMITS
1709# include <limits.h>
1710# endif
1711# ifdef I_FLOAT
1712# include <float.h>
1713# endif
1714# ifndef HAS_LDBL_DIG
1715# if LONG_DOUBLESIZE == 10
1716# define LDBL_DIG 18 /* assume IEEE */
1717# else
1718# if LONG_DOUBLESIZE == 12
1719# define LDBL_DIG 18 /* gcc? */
1720# else
1721# if LONG_DOUBLESIZE == 16
1722# define LDBL_DIG 33 /* assume IEEE */
1723# else
1724# if LONG_DOUBLESIZE == DOUBLESIZE
1725# define LDBL_DIG DBL_DIG /* bummer */
1726# endif
1727# endif
1728# endif
1729# endif
1730# endif
2d4389e4
JH
1731#endif
1732
20f6aaab
AS
1733/*
1734 * This is for making sure we have a good DBL_MAX value, if possible,
1735 * either for usage as NV_MAX or for usage in figuring out if we can
1736 * fit a given long double into a double, if bug-fixing makes it
1737 * necessary to do so. - Allen <allens@cpan.org>
1738 */
1739
205f51d8
AS
1740#ifdef I_LIMITS
1741# include <limits.h>
20f6aaab
AS
1742#endif
1743
205f51d8
AS
1744#ifdef I_VALUES
1745# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1746# include <values.h>
1747# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1748# define DBL_MAX MAXDOUBLE
1749# endif
1750# if defined(MINDOUBLE) && !defined(DBL_MIN)
1751# define DBL_MIN MINDOUBLE
1752# endif
1753# endif
1754#endif /* defined(I_VALUES) */
1755
a22e52b9 1756typedef NVTYPE NV;
8175356b 1757
792d8dab
JH
1758#ifdef I_IEEEFP
1759# include <ieeefp.h>
1760#endif
923fc586 1761
65202027 1762#ifdef USE_LONG_DOUBLE
923fc586
JH
1763# ifdef I_SUNMATH
1764# include <sunmath.h>
1765# endif
2d4389e4 1766# define NV_DIG LDBL_DIG
d6c14000
JH
1767# ifdef LDBL_MANT_DIG
1768# define NV_MANT_DIG LDBL_MANT_DIG
1769# endif
06fc1729
JH
1770# ifdef LDBL_MIN
1771# define NV_MIN LDBL_MIN
1772# endif
1773# ifdef LDBL_MAX
1774# define NV_MAX LDBL_MAX
1775# endif
1776# ifdef LDBL_MIN_10_EXP
1777# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1778# endif
1779# ifdef LDBL_MAX_10_EXP
1780# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1781# endif
1782# ifdef LDBL_EPSILON
1783# define NV_EPSILON LDBL_EPSILON
1784# endif
f4a14a62
JH
1785# ifdef LDBL_MAX
1786# define NV_MAX LDBL_MAX
20f6aaab 1787/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1788# else
1789# ifdef HUGE_VALL
1790# define NV_MAX HUGE_VALL
1791# else
1792# ifdef HUGE_VAL
1793# define NV_MAX ((NV)HUGE_VAL)
1794# endif
1795# endif
1796# endif
68d4903c 1797# ifdef HAS_SQRTL
68d4903c
JH
1798# define Perl_cos cosl
1799# define Perl_sin sinl
1800# define Perl_sqrt sqrtl
1801# define Perl_exp expl
1802# define Perl_log logl
1803# define Perl_atan2 atan2l
1804# define Perl_pow powl
1805# define Perl_floor floorl
1bbae031 1806# define Perl_ceil ceill
68d4903c
JH
1807# define Perl_fmod fmodl
1808# endif
a3540c92
JH
1809/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1810# ifdef HAS_MODFL
1811# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1812/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1813 prototype in <math.h> */
1814# ifndef HAS_MODFL_PROTO
a221a8a5 1815EXTERN_C long double modfl(long double, long double *);
51997bc3 1816# endif
03476e8e
JH
1817# else
1818# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1819 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1820# define Perl_modf(x,y) Perl_my_modfl(x,y)
1821# endif
a3540c92
JH
1822# endif
1823# ifdef HAS_FREXPL
dff3e0b8 1824# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1825# else
1826# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1827 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1828# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1829# endif
a3540c92 1830# endif
38dbb4c5 1831# ifndef Perl_isnan
758a5d79
JH
1832# ifdef HAS_ISNANL
1833# define Perl_isnan(x) isnanl(x)
1834# endif
1835# endif
1836# ifndef Perl_isinf
1837# ifdef HAS_FINITEL
1838# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1839# endif
1840# endif
65202027 1841#else
2d4389e4 1842# define NV_DIG DBL_DIG
d6c14000
JH
1843# ifdef DBL_MANT_DIG
1844# define NV_MANT_DIG DBL_MANT_DIG
1845# endif
06fc1729
JH
1846# ifdef DBL_MIN
1847# define NV_MIN DBL_MIN
1848# endif
1849# ifdef DBL_MAX
1850# define NV_MAX DBL_MAX
1851# endif
1852# ifdef DBL_MIN_10_EXP
1853# define NV_MIN_10_EXP DBL_MIN_10_EXP
1854# endif
1855# ifdef DBL_MAX_10_EXP
1856# define NV_MAX_10_EXP DBL_MAX_10_EXP
1857# endif
1858# ifdef DBL_EPSILON
1859# define NV_EPSILON DBL_EPSILON
1860# endif
205f51d8 1861# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1862# define NV_MAX DBL_MAX
1863# define NV_MIN DBL_MIN
1864# else
1865# ifdef HUGE_VAL
1866# define NV_MAX HUGE_VAL
1867# endif
1868# endif
65202027
DS
1869# define Perl_cos cos
1870# define Perl_sin sin
1871# define Perl_sqrt sqrt
1872# define Perl_exp exp
1873# define Perl_log log
1874# define Perl_atan2 atan2
1875# define Perl_pow pow
1876# define Perl_floor floor
1bbae031 1877# define Perl_ceil ceil
65202027 1878# define Perl_fmod fmod
a3540c92 1879# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1880# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1881#endif
1882
1883/* rumor has it that Win32 has _fpclass() */
1884
205f51d8
AS
1885/* SGI has fpclassl... but not with the same result values,
1886 * and it's via a typedef (not via #define), so will need to redo Configure
1887 * to use. Not worth the trouble, IMO, at least until the below is used
1888 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1889 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1890 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1891
758a5d79
JH
1892#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1893# ifdef I_IEEFP
1894# include <ieeefp.h>
1895# endif
1896# ifdef I_FP
1897# include <fp.h>
1898# endif
1899# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1900# define Perl_fp_class() fpclassl(x)
1901# else
1902# define Perl_fp_class() fpclass(x)
1903# endif
1904# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1905# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1906# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1907# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1908# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1909# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1910# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1911# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1912# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1913# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1914# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1915# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1916# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1917# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1918# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1919#endif
1920
21e89b5f 1921#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1922# include <math.h>
1923# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1924# include <fp_class.h>
1925# endif
1926# define Perl_fp_class(x) fp_class(x)
1927# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1928# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1929# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1930# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1931# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1932# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1933# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1934# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1935# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1936# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1937# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1938# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1939# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1940# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1941# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1942#endif
1943
1944#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1945# include <math.h>
1946# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1947# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1948# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1949# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1950# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1951# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1952#endif
1953
1954#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1955# include <math.h>
1956# ifndef _cplusplus
1957# define Perl_fp_class(x) class(x)
1958# else
1959# define Perl_fp_class(x) _class(x)
1960# endif
1961# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1962# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1963# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1964# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1965# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1966# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1967# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1968# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1969# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1970# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1971# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1972# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1973# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1974# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1975# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1976#endif
1977
1978/* rumor has it that Win32 has _isnan() */
1979
1980#ifndef Perl_isnan
a3540c92 1981# ifdef HAS_ISNAN
758a5d79
JH
1982# define Perl_isnan(x) isnan((NV)x)
1983# else
1984# ifdef Perl_fp_class_nan
1985# define Perl_isnan(x) Perl_fp_class_nan(x)
1986# else
1987# ifdef HAS_UNORDERED
1988# define Perl_isnan(x) unordered((x), 0.0)
1989# else
1990# define Perl_isnan(x) ((x)!=(x))
1991# endif
1992# endif
1993# endif
1994#endif
1995
ca6c63e1
JH
1996#ifdef UNDER_CE
1997int isnan(double d);
1998#endif
1999
758a5d79
JH
2000#ifndef Perl_isinf
2001# ifdef HAS_ISINF
2002# define Perl_isinf(x) isinf((NV)x)
a3540c92 2003# else
758a5d79
JH
2004# ifdef Perl_fp_class_inf
2005# define Perl_isinf(x) Perl_fp_class_inf(x)
2006# else
2007# define Perl_isinf(x) ((x)==NV_INF)
2008# endif
2009# endif
2010#endif
2011
2012#ifndef Perl_isfinite
2013# ifdef HAS_FINITE
2014# define Perl_isfinite(x) finite((NV)x)
2015# else
2016# ifdef HAS_ISFINITE
2017# define Perl_isfinite(x) isfinite(x)
2018# else
2019# ifdef Perl_fp_class_finite
2020# define Perl_isfinite(x) Perl_fp_class_finite(x)
2021# else
2022# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2023# endif
2024# endif
a3540c92 2025# endif
65202027
DS
2026#endif
2027
a36244b7
JH
2028/* The default is to use Perl's own atof() implementation (in numeric.c).
2029 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2030 * it is however best to use the native implementation of atof.
2031 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2032 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2033 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2034 * you may need to be using a different function than atof! */
a36244b7
JH
2035
2036#ifndef USE_PERL_ATOF
2037# ifndef _UNICOS
2038# define USE_PERL_ATOF
2039# endif
2040#else
2041# if USE_PERL_ATOF == 0
2042# undef USE_PERL_ATOF
2043# endif
2044#endif
2045
2046#ifdef USE_PERL_ATOF
2047# define Perl_atof(s) Perl_my_atof(s)
2048# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2049#else
2050# define Perl_atof(s) (NV)atof(s)
2051# define Perl_atof2(s, n) ((n) = atof(s))
2052#endif
cf2093f6 2053
d460ef45 2054/* Previously these definitions used hardcoded figures.
760ac839
LW
2055 * It is hoped these formula are more portable, although
2056 * no data one way or another is presently known to me.
2057 * The "PERL_" names are used because these calculated constants
2058 * do not meet the ANSI requirements for LONG_MAX, etc., which
2059 * need to be constants acceptable to #if - kja
2060 * define PERL_LONG_MAX 2147483647L
2061 * define PERL_LONG_MIN (-LONG_MAX - 1)
2062 * define PERL ULONG_MAX 4294967295L
2063 */
2064
2065#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2066# include <limits.h>
760ac839 2067#endif
205f51d8 2068/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2069 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2070
99abf803
PP
2071/*
2072 * Try to figure out max and min values for the integral types. THE CORRECT
2073 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2074 * following hacks are used if neither limits.h or values.h provide them:
2075 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2076 * for types < int: (unsigned TYPE)~(unsigned)0
2077 * The argument to ~ must be unsigned so that later signed->unsigned
2078 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2079 * and it must not be smaller than int because ~ does integral promotion.
2080 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2081 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2082 * The latter is a hack which happens to work on some machines but
2083 * does *not* catch any random system, or things like integer types
2084 * with NaN if that is possible.
2085 *
2086 * All of the types are explicitly cast to prevent accidental loss of
2087 * numeric range, and in the hope that they will be less likely to confuse
2088 * over-eager optimizers.
2089 *
2090 */
27d4fb96 2091
99abf803
PP
2092#define PERL_UCHAR_MIN ((unsigned char)0)
2093
2094#ifdef UCHAR_MAX
2095# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2096#else
99abf803
PP
2097# ifdef MAXUCHAR
2098# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2099# else
99abf803 2100# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2101# endif
2102#endif
d460ef45 2103
99abf803
PP
2104/*
2105 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2106 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2107 * depending on local options. Until Configure detects this (or at least
2108 * detects whether the "signed" keyword is available) the CHAR ranges
2109 * will not be included. UCHAR functions normally.
2110 * - kja
2111 */
27d4fb96 2112
99abf803
PP
2113#define PERL_USHORT_MIN ((unsigned short)0)
2114
2115#ifdef USHORT_MAX
2116# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2117#else
99abf803
PP
2118# ifdef MAXUSHORT
2119# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2120# else
ef2f54b0
CB
2121# ifdef USHRT_MAX
2122# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2123# else
2124# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2125# endif
27d4fb96
PP
2126# endif
2127#endif
2128
27d4fb96 2129#ifdef SHORT_MAX
99abf803 2130# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2131#else
2132# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2133# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2134# else
ef2f54b0
CB
2135# ifdef SHRT_MAX
2136# define PERL_SHORT_MAX ((short)SHRT_MAX)
2137# else
2138# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2139# endif
27d4fb96
PP
2140# endif
2141#endif
2142
2143#ifdef SHORT_MIN
99abf803 2144# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2145#else
2146# ifdef MINSHORT
99abf803 2147# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2148# else
ef2f54b0
CB
2149# ifdef SHRT_MIN
2150# define PERL_SHORT_MIN ((short)SHRT_MIN)
2151# else
2152# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2153# endif
27d4fb96
PP
2154# endif
2155#endif
2156
99abf803
PP
2157#ifdef UINT_MAX
2158# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2159#else
99abf803
PP
2160# ifdef MAXUINT
2161# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2162# else
99abf803 2163# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2164# endif
2165#endif
2166
99abf803 2167#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2168
2169#ifdef INT_MAX
99abf803 2170# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2171#else
2172# ifdef MAXINT /* Often used in <values.h> */
99abf803 2173# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2174# else
99abf803 2175# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2176# endif
2177#endif
2178
2179#ifdef INT_MIN
99abf803 2180# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2181#else
2182# ifdef MININT
99abf803 2183# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2184# else
2185# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2186# endif
2187#endif
2188
99abf803
PP
2189#ifdef ULONG_MAX
2190# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2191#else
99abf803
PP
2192# ifdef MAXULONG
2193# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2194# else
99abf803 2195# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2196# endif
2197#endif
2198
99abf803 2199#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2200
760ac839 2201#ifdef LONG_MAX
99abf803 2202# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2203#else
2204# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2205# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2206# else
99abf803 2207# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2208# endif
2209#endif
2210
2211#ifdef LONG_MIN
99abf803 2212# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2213#else
2214# ifdef MINLONG
99abf803 2215# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2216# else
27d4fb96 2217# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2218# endif
2219#endif
2220
d7d93a81 2221#ifdef UV_IS_QUAD
99abf803 2222
99abf803 2223# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2224# define PERL_UQUAD_MIN ((UV)0)
99abf803 2225# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2226# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2227
79072805
LW
2228#endif
2229
ee0007ab 2230typedef MEM_SIZE STRLEN;
450a55e4 2231
598921a7
NC
2232#ifdef PERL_MAD
2233typedef struct token TOKEN;
2234typedef struct madprop MADPROP;
2235typedef struct nexttoken NEXTTOKE;
2236#endif
79072805
LW
2237typedef struct op OP;
2238typedef struct cop COP;
2239typedef struct unop UNOP;
2240typedef struct binop BINOP;
2241typedef struct listop LISTOP;
2242typedef struct logop LOGOP;
79072805
LW
2243typedef struct pmop PMOP;
2244typedef struct svop SVOP;
7934575e 2245typedef struct padop PADOP;
79072805 2246typedef struct pvop PVOP;
79072805
LW
2247typedef struct loop LOOP;
2248
7aef8e5b 2249#ifdef PERL_CORE
8be227ab
FC
2250typedef struct opslab OPSLAB;
2251typedef struct opslot OPSLOT;
2252#endif
2253
52db365a 2254typedef struct block_hooks BHK;
1830b3d9 2255typedef struct custom_op XOP;
52db365a 2256
cd1541b2
NC
2257typedef struct interpreter PerlInterpreter;
2258
d2b3f365 2259/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2260#if defined(__sgi)
d2b3f365 2261# define STRUCT_SV perl_sv
b8d3c5db
JH
2262#else
2263# define STRUCT_SV sv
2264#endif
2265typedef struct STRUCT_SV SV;
79072805
LW
2266typedef struct av AV;
2267typedef struct hv HV;
2268typedef struct cv CV;
d2f13c59 2269typedef struct p5rx REGEXP;
79072805 2270typedef struct gp GP;
0c30d9ec 2271typedef struct gv GV;
8990e307 2272typedef struct io IO;
c09156bb 2273typedef struct context PERL_CONTEXT;
79072805
LW
2274typedef struct block BLOCK;
2275
2276typedef struct magic MAGIC;
2277typedef struct xpv XPV;
2278typedef struct xpviv XPVIV;
ff68c719 2279typedef struct xpvuv XPVUV;
79072805
LW
2280typedef struct xpvnv XPVNV;
2281typedef struct xpvmg XPVMG;
2282typedef struct xpvlv XPVLV;
d361b004 2283typedef struct xpvinvlist XINVLIST;
79072805
LW
2284typedef struct xpvav XPVAV;
2285typedef struct xpvhv XPVHV;
2286typedef struct xpvgv XPVGV;
2287typedef struct xpvcv XPVCV;
2288typedef struct xpvbm XPVBM;
2289typedef struct xpvfm XPVFM;
8990e307 2290typedef struct xpvio XPVIO;
79072805
LW
2291typedef struct mgvtbl MGVTBL;
2292typedef union any ANY;
5f7fde29
GS
2293typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2294typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2295typedef struct clone_params CLONE_PARAMS;
2296
35e035cc 2297/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2298 * so hide the type. */
2299typedef struct padlist PADLIST;
67634234 2300typedef AV PAD;
35e035cc
FC
2301typedef AV PADNAMELIST;
2302typedef SV PADNAME;
67634234 2303
13b0f67d
DM
2304/* enable PERL_NEW_COPY_ON_WRITE by default */
2305#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2306# define PERL_NEW_COPY_ON_WRITE
2307#endif
07d01d6e 2308
db2c6cb3
FC
2309#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2310# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2311# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2312# else
2313# define PERL_ANY_COW
2314# endif
9f351b45
DM
2315#else
2316# define PERL_SAWAMPERSAND
db2c6cb3
FC
2317#endif
2318
378cc40b 2319#include "handy.h"
a0d0e21e 2320
6b8eaf93 2321#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2322# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2323# define USE_64_BIT_RAWIO /* implicit */
2324# endif
4564133c
JH
2325#endif
2326
6b8eaf93
JH
2327/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2328 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2329 * however, because operating systems like to do that themself. */
2330#ifndef FSEEKSIZE
2331# ifdef HAS_FSEEKO
2332# define FSEEKSIZE LSEEKSIZE
2333# else
2334# define FSEEKSIZE LONGSIZE
d460ef45 2335# endif
6b8eaf93
JH
2336#endif
2337
2338#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2339# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2340# define USE_64_BIT_STDIO /* implicit */
2341# endif
2342#endif
4564133c 2343
09458382 2344#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2345# ifdef HAS_OFF64_T
2346# undef Off_t
2347# define Off_t off64_t
2348# undef LSEEKSIZE
2349# define LSEEKSIZE 8
5ff3f7a4 2350# endif
d9b3e12d
JH
2351/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2352 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2353 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2354# if defined(USE_OPEN64)
2355# define open open64
5ff3f7a4 2356# endif
d9b3e12d
JH
2357# if defined(USE_LSEEK64)
2358# define lseek lseek64
6b8eaf93
JH
2359# else
2360# if defined(USE_LLSEEK)
2361# define lseek llseek
2362# endif
d9b3e12d
JH
2363# endif
2364# if defined(USE_STAT64)
2365# define stat stat64
2366# endif
2367# if defined(USE_FSTAT64)
2368# define fstat fstat64
2369# endif
2370# if defined(USE_LSTAT64)
2371# define lstat lstat64
2372# endif
2373# if defined(USE_FLOCK64)
2374# define flock flock64
2375# endif
2376# if defined(USE_LOCKF64)
2377# define lockf lockf64
2378# endif
2379# if defined(USE_FCNTL64)
2380# define fcntl fcntl64
2381# endif
2382# if defined(USE_TRUNCATE64)
2383# define truncate truncate64
2384# endif
2385# if defined(USE_FTRUNCATE64)
2386# define ftruncate ftruncate64
2387# endif
2388#endif
2389
2390#ifdef USE_64_BIT_STDIO
2391# ifdef HAS_FPOS64_T
2392# undef Fpos_t
2393# define Fpos_t fpos64_t
2394# endif
2395/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2396 * will trigger defines like the ones below. Some 64-bit environments,
2397 * however, do not. */
2398# if defined(USE_FOPEN64)
2399# define fopen fopen64
2400# endif
2401# if defined(USE_FSEEK64)
6b8eaf93 2402# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2403# endif
2404# if defined(USE_FTELL64)
6b8eaf93 2405# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2406# endif
2407# if defined(USE_FSETPOS64)
2408# define fsetpos fsetpos64
2409# endif
2410# if defined(USE_FGETPOS64)
2411# define fgetpos fgetpos64
2412# endif
2413# if defined(USE_TMPFILE64)
2414# define tmpfile tmpfile64
2415# endif
2416# if defined(USE_FREOPEN64)
2417# define freopen freopen64
5ff3f7a4
GS
2418# endif
2419#endif
2420
e37778c2 2421#if defined(OS2)
2c2d71f5
JH
2422# include "iperlsys.h"
2423#endif
2424
748a9306 2425#ifdef DOSISH
19848b3f
JH
2426# if defined(OS2)
2427# include "os2ish.h"
2428# else
2429# include "dosish.h"
2430# endif
009819bb 2431#elif defined(VMS)
748a9306 2432# include "vmsish.h"
009819bb 2433#elif defined(PLAN9)
19848b3f 2434# include "./plan9/plan9ish.h"
009819bb 2435#elif defined(__VOS__)
196918b0
PG
2436# ifdef __GNUC__
2437# include "./vos/vosish.h"
2438# else
2439# include "vos/vosish.h"
2440# endif
009819bb 2441#elif defined(__SYMBIAN32__)
27da23d5 2442# include "symbian/symbianish.h"
009819bb 2443#elif defined(__HAIKU__)
df00ff3b 2444# include "haiku/haikuish.h"
009819bb 2445#else
19848b3f 2446# include "unixish.h"
13b6e58c
JH
2447#endif
2448
2946a158
JH
2449/* NSIG logic from Configure --> */
2450/* Strange style to avoid deeply-nested #if/#else/#endif */
2451#ifndef NSIG
2452# ifdef _NSIG
2453# define NSIG (_NSIG)
2454# endif
2455#endif
2456
2457#ifndef NSIG
2458# ifdef SIGMAX
2459# define NSIG (SIGMAX+1)
2460# endif
2461#endif
2462
2463#ifndef NSIG
2464# ifdef SIG_MAX
2465# define NSIG (SIG_MAX+1)
2466# endif
2467#endif
2468
2469#ifndef NSIG
2470# ifdef _SIG_MAX
2471# define NSIG (_SIG_MAX+1)
2472# endif
2473#endif
2474
2475#ifndef NSIG
2476# ifdef MAXSIG
2477# define NSIG (MAXSIG+1)
2478# endif
2479#endif
2480
2481#ifndef NSIG
2482# ifdef MAX_SIG
2483# define NSIG (MAX_SIG+1)
2484# endif
2485#endif
2486
2487#ifndef NSIG
2488# ifdef SIGARRAYSIZE
2489# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2490# endif
2491#endif
2492
2493#ifndef NSIG
2494# ifdef _sys_nsig
2495# define NSIG (_sys_nsig) /* Solaris 2.5 */
2496# endif
2497#endif
2498
2499/* Default to some arbitrary number that's big enough to get most
2500 of the common signals.
2501*/
2502#ifndef NSIG
2503# define NSIG 50
2504#endif
2505/* <-- NSIG logic from Configure */
2506
13b6e58c
JH
2507#ifndef NO_ENVIRON_ARRAY
2508# define USE_ENVIRON_ARRAY
2509#endif
32f822de 2510
c77b533b
JH
2511/*
2512 * initialise to avoid floating-point exceptions from overflow, etc
2513 */
2514#ifndef PERL_FPU_INIT
2515# ifdef HAS_FPSETMASK
2516# if HAS_FLOATINGPOINT_H
2517# include <floatingpoint.h>
2518# endif
ad3a8c67
NC
2519/* Some operating systems have this as a macro, which in turn expands to a comma
2520 expression, and the last sub-expression is something that gets calculated,
2521 and then they have the gall to warn that a value computed is not used. Hence
2522 cast to void. */
2523# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2524# else
2f42fcb0 2525# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2526# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2527# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2528# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2529# else
2530# define PERL_FPU_INIT
2f42fcb0 2531
7014c407 2532# endif
c77b533b
JH
2533# endif
2534#endif
b35112e7
CS
2535#ifndef PERL_FPU_PRE_EXEC
2536# define PERL_FPU_PRE_EXEC {
2537# define PERL_FPU_POST_EXEC }
2538#endif
c77b533b 2539
cbec8ebe
DM
2540#ifndef PERL_SYS_INIT3_BODY
2541# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2542#endif
2543
eb533572 2544/*
4ad9e498 2545=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2546Provides system-specific tune up of the C runtime environment necessary to
72d33970 2547run Perl interpreters. This should be called only once, before creating
eb533572
DM
2548any Perl interpreters.
2549
4ad9e498 2550=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2551Provides system-specific tune up of the C runtime environment necessary to
72d33970 2552run Perl interpreters. This should be called only once, before creating
eb533572
DM
2553any Perl interpreters.
2554
2555=for apidoc Am|void|PERL_SYS_TERM|
2556Provides system-specific clean up of the C runtime environment after
72d33970 2557running Perl interpreters. This should be called only once, after
eb533572
DM
2558freeing any remaining Perl interpreters.
2559
2560=cut
2561 */
2562
cbec8ebe
DM
2563#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2564#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2565#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2566
be708cc0
JH
2567#ifndef PERL_WRITE_MSG_TO_CONSOLE
2568# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2569#endif
2570
0f31cffe
GS
2571#ifndef MAXPATHLEN
2572# ifdef PATH_MAX
b990c8b2
JH
2573# ifdef _POSIX_PATH_MAX
2574# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2575/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2576 * included the null byte or not. Later amendments of POSIX,
2577 * XPG4, the Austin Group, and the Single UNIX Specification
2578 * all explicitly include the null byte in the PATH_MAX.
2579 * Ditto for _POSIX_PATH_MAX. */
2580# define MAXPATHLEN PATH_MAX
b990c8b2 2581# else
09448d78 2582# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2583# endif
2584# else
2585# define MAXPATHLEN (PATH_MAX+1)
2586# endif
0f31cffe 2587# else
d552bce8 2588# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2589# endif
2590#endif
2591
c80263a8
SH
2592/* In case Configure was not used (we are using a "canned config"
2593 * such as Win32, or a cross-compilation setup, for example) try going
2594 * by the gcc major and minor versions. One useful URL is
2595 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2596 * but contrary to this information warn_unused_result seems
2597 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2598 * Also, when building extensions with an installed perl, this allows
2599 * the user to upgrade gcc and get the right attributes, rather than
2600 * relying on the list generated at Configure time. --AD
c80263a8
SH
2601 * Set these up now otherwise we get confused when some of the <*thread.h>
2602 * includes below indirectly pull in <perlio.h> (which needs to know if we
2603 * have HASATTRIBUTE_FORMAT).
2604 */
2605
4d7c7898 2606#ifndef PERL_MICRO
fc2007d4 2607#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2608# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2609# define HASATTRIBUTE_DEPRECATED
2610# endif
c80263a8
SH
2611# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2612# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2613# if defined __MINGW32__
2614# define PRINTF_FORMAT_NULL_OK
2615# endif
c80263a8
SH
2616# endif
2617# if __GNUC__ >= 3 /* 3.0 -> */
2618# define HASATTRIBUTE_MALLOC
2619# endif
2620# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2621# define HASATTRIBUTE_NONNULL
2622# endif
2623# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2624# define HASATTRIBUTE_NORETURN
2625# endif
2626# if __GNUC__ >= 3 /* gcc 3.0 -> */
2627# define HASATTRIBUTE_PURE
2628# endif
42bf5550 2629# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2630# define HASATTRIBUTE_UNUSED
2631# endif
d324fe49
AD
2632# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2633# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2634# endif
c80263a8
SH
2635# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2636# define HASATTRIBUTE_WARN_UNUSED_RESULT
2637# endif
2638#endif
00f254e2 2639#endif /* #ifndef PERL_MICRO */
c80263a8 2640
3db8f154 2641/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2642 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2643 * this results in many functions being undeclared which bothers C++
2644 * May make sense to have threads after "*ish.h" anyway
2645 */
2646
3db8f154 2647#if defined(USE_ITHREADS)
2986a63f
JH
2648# ifdef NETWARE
2649# include <nw5thread.h>
2650# else
32f822de
GS
2651# ifdef WIN32
2652# include <win32thread.h>
2653# else
dd96f567
IZ
2654# ifdef OS2
2655# include "os2thread.h"
2656# else
7f3d1cf1 2657# ifdef I_MACH_CTHREADS
bdd66968 2658# include <mach/cthreads.h>
8f1f23e8 2659# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2660# define MUTEX_INIT_CALLS_MALLOC
2661# endif
7f3d1cf1
BH
2662typedef cthread_t perl_os_thread;
2663typedef mutex_t perl_mutex;
2664typedef condition_t perl_cond;
2665typedef void * perl_key;
2666# else /* Posix threads */
1f5ae88c
JH
2667# ifdef I_PTHREAD
2668# include <pthread.h>
2669# endif
7f3d1cf1
BH
2670typedef pthread_t perl_os_thread;
2671typedef pthread_mutex_t perl_mutex;
2672typedef pthread_cond_t perl_cond;
2673typedef pthread_key_t perl_key;
2674# endif /* I_MACH_CTHREADS */
dd96f567 2675# endif /* OS2 */
32f822de 2676# endif /* WIN32 */
ef4abe76 2677# endif /* NETWARE */
3db8f154 2678#endif /* USE_ITHREADS */
c5be433b 2679
66a93824 2680#if defined(WIN32)
1feb2720 2681# include "win32.h"
c5be433b
GS
2682#endif
2683
2986a63f
JH
2684#ifdef NETWARE
2685# include "netware.h"
2686#endif
2687
e5218da5 2688#define STATUS_UNIX PL_statusvalue
68dc0745 2689#ifdef VMS
6b88bc9c 2690# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2691/*
2692 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2693 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2694 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2695 * be updated also.
2696 */
2697# include <stsdef.h>
2698# include <ssdef.h>
2699/* Presume this because if VMS changes it, it will require a new
2700 * set of APIs for waiting on children for binary compatibility.
2701 */
2702# define child_offset_bits (8)
2703# ifndef C_FAC_POSIX
2704# define C_FAC_POSIX 0x35A000
2705# endif
2706
2707/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2708 * platform from the existing UNIX or Native status values.
2709 */
2710
37038d91 2711# define STATUS_EXIT \
7a7fd8e0
JM
2712 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2713 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2714
7a7fd8e0 2715
fb38d079
JM
2716/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2717 * exit code and shifts the UNIX value over the correct number of bits to
2718 * be a child status. Usually the number of bits is 8, but that could be
2719 * platform dependent. The NATIVE status code is presumed to have either
2720 * from a child process.
7a7fd8e0
JM
2721 */
2722
fb38d079
JM
2723/* This is complicated. The child processes return a true native VMS
2724 status which must be saved. But there is an assumption in Perl that
2725 the UNIX child status has some relationship to errno values, so
00f254e2 2726 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2727 In order to get the string translation correct, for the error, errno
2728 must be EVMSERR, but that generates a different text message
2729 than what the test programs are expecting. So an errno value must
2730 be derived from the native status value when an error occurs.
2731 That will hide the true native status message. With this version of
2732 perl, the true native child status can always be retrieved so that
2733 is not a problem. But in this case, Pl_statusvalue and errno may
2734 have different values in them.
2735 */
7a7fd8e0 2736
fb38d079 2737# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2738 STMT_START { \
2fbb330f
JM
2739 I32 evalue = (I32)n; \
2740 if (evalue == EVMSERR) { \
2741 PL_statusvalue_vms = vaxc$errno; \
2742 PL_statusvalue = evalue; \
7a7fd8e0 2743 } else { \
2fbb330f 2744 PL_statusvalue_vms = evalue; \
fb38d079 2745 if (evalue == -1) { \
3280af22 2746 PL_statusvalue = -1; \
7a7fd8e0
JM
2747 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2748 } else \
fb38d079 2749 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2750 set_vaxc_errno(evalue); \
fb38d079
JM
2751 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2752 set_errno(EVMSERR); \
2753 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2754 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2755 } \
68dc0745 2756 } STMT_END
7a7fd8e0 2757
68dc0745 2758# ifdef VMSISH_STATUS
e5218da5 2759# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2760# else
e5218da5 2761# define STATUS_CURRENT STATUS_UNIX
68dc0745 2762# endif
7a7fd8e0
JM
2763
2764 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2765 * the NATIVE status to an equivalent value. Can not be used to translate
2766 * exit code values as exit code values are not guaranteed to have any
2767 * relationship at all to errno values.
2768 * This is used when Perl is forcing errno to have a specific value.
2769 */
e5218da5 2770# define STATUS_UNIX_SET(n) \
68dc0745 2771 STMT_START { \
7a7fd8e0 2772 I32 evalue = (I32)n; \
0968cdad 2773 PL_statusvalue = evalue; \
3280af22 2774 if (PL_statusvalue != -1) { \
0968cdad
JM
2775 if (PL_statusvalue != EVMSERR) { \
2776 PL_statusvalue &= 0xFFFF; \
2777 if (MY_POSIX_EXIT) \
2778 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2779 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2780 } \
2781 else { \
2782 PL_statusvalue_vms = vaxc$errno; \
2783 } \
68dc0745 2784 } \
0968cdad
JM
2785 else PL_statusvalue_vms = SS$_ABORT; \
2786 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2787 } STMT_END
2788
2789 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2790 * the NATIVE error status based on it.
2791 *
2792 * When in the default mode to comply with the Perl VMS documentation,
2793 * 0 is a success and any other code sets the NATIVE status to a failure
2794 * code of SS$_ABORT.
fb38d079
JM
2795 *
2796 * In the new POSIX EXIT mode, native status will be set so that the
2797 * actual exit code will can be retrieved by the calling program or
2798 * shell.
2799 *
2800 * If the exit code is not clearly a UNIX parent or child exit status,
2801 * it will be passed through as a VMS status.
7a7fd8e0
JM
2802 */
2803
fb38d079 2804# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2805 STMT_START { \
2806 I32 evalue = (I32)n; \
2807 PL_statusvalue = evalue; \
e08e1e1d
JM
2808 if (MY_POSIX_EXIT) { \
2809 if (evalue <= 0xFF00) { \
2810 if (evalue > 0xFF) \
2811 evalue = (evalue >> child_offset_bits) & 0xFF; \
2812 PL_statusvalue_vms = \
2813 (C_FAC_POSIX | (evalue << 3 ) | \
2814 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2815 } else /* forgive them Perl, for they have sinned */ \
2816 PL_statusvalue_vms = evalue; \
2817 } else { \
2818 if (evalue == 0) \
2819 PL_statusvalue_vms = SS$_NORMAL; \
2820 else if (evalue <= 0xFF00) \
2821 PL_statusvalue_vms = SS$_ABORT; \
2822 else { /* forgive them Perl, for they have sinned */ \
2823 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2824 else PL_statusvalue_vms = vaxc$errno; \
2825 /* And obviously used a VMS status value instead of UNIX */ \
2826 PL_statusvalue = EVMSERR; \
2827 } \
2828 set_vaxc_errno(PL_statusvalue_vms); \
2829 } \
68dc0745 2830 } STMT_END
fb38d079 2831
e08e1e1d 2832
6ac6a52b
JM
2833 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2834 * and sets the NATIVE error status based on it. This special case
2835 * is needed to maintain compatibility with past VMS behavior.
2836 *
2837 * In the default mode on VMS, this number is passed through as
2838 * both the NATIVE and UNIX status. Which makes it different
2839 * that the STATUS_UNIX_EXIT_SET.
2840 *
2841 * In the new POSIX EXIT mode, native status will be set so that the
2842 * actual exit code will can be retrieved by the calling program or
2843 * shell.
2844 *
1a3aec58
JM
2845 * A POSIX exit code is from 0 to 255. If the exit code is higher
2846 * than this, it needs to be assumed that it is a VMS exit code and
2847 * passed through.
6ac6a52b
JM
2848 */
2849
2850# define STATUS_EXIT_SET(n) \
2851 STMT_START { \
2852 I32 evalue = (I32)n; \
2853 PL_statusvalue = evalue; \
2854 if (MY_POSIX_EXIT) \
1a3aec58
JM
2855 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2856 PL_statusvalue_vms = \
2857 (C_FAC_POSIX | (evalue << 3 ) | \
2858 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2859 else \
2860 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2861 set_vaxc_errno(PL_statusvalue_vms); \
2862 } STMT_END
2863
fb38d079
JM
2864
2865 /* This macro forces a success status */
7a7fd8e0
JM
2866# define STATUS_ALL_SUCCESS \
2867 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2868
2869 /* This macro forces a failure status */
7a7fd8e0
JM
2870# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2871 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2872 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2873
68dc0745 2874#else
e5218da5 2875# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2876# if defined(WCOREDUMP)
37038d91 2877# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2878 STMT_START { \
2879 PL_statusvalue_posix = (n); \
2880 if (PL_statusvalue_posix == -1) \
2881 PL_statusvalue = -1; \
2882 else { \
2883 PL_statusvalue = \
2884 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2885 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2886 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2887 } \
2888 } STMT_END
2889# elif defined(WIFEXITED)
37038d91 2890# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2891 STMT_START { \
2892 PL_statusvalue_posix = (n); \
2893 if (PL_statusvalue_posix == -1) \
2894 PL_statusvalue = -1; \
2895 else { \
2896 PL_statusvalue = \
2897 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2898 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2899 } \
2900 } STMT_END
2901# else
37038d91 2902# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2903 STMT_START { \
2904 PL_statusvalue_posix = (n); \
2905 if (PL_statusvalue_posix == -1) \
2906 PL_statusvalue = -1; \
2907 else { \
2908 PL_statusvalue = \
2909 PL_statusvalue_posix & 0xFFFF; \
2910 } \
2911 } STMT_END
2912# endif
2913# define STATUS_UNIX_SET(n) \
68dc0745 2914 STMT_START { \
3280af22
NIS
2915 PL_statusvalue = (n); \
2916 if (PL_statusvalue != -1) \
2917 PL_statusvalue &= 0xFFFF; \
68dc0745 2918 } STMT_END
7a7fd8e0 2919# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2920# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2921# define STATUS_CURRENT STATUS_UNIX
37038d91 2922# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2923# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2924# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2925#endif
2926
cc3604b1
GS
2927/* flags in PL_exit_flags for nature of exit() */
2928#define PERL_EXIT_EXPECTED 0x01
31d77e54 2929#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2930#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2931#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2932
b79b76e0 2933#ifndef PERL_CORE
a7cb1f99 2934/* format to use for version numbers in file/directory names */
273cf8d1 2935/* XXX move to Configure? */
b79b76e0
NC
2936/* This was only ever used for the current version, and that can be done at
2937 compile time, as PERL_FS_VERSION, so should we just delete it? */
2938# ifndef PERL_FS_VER_FMT
2939# define PERL_FS_VER_FMT "%d.%d.%d"
2940# endif
2941#endif
2942
2943#ifndef PERL_FS_VERSION
2944# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2945#endif
2946
45bc9206 2947/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2948 * performance issue, so we allow people to disable it. Also, if
2949 * we are using stdio, there are broken implementations of fflush(NULL)
2950 * out there, Solaris being the most prominent.
45bc9206
GS
2951 */
2952#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2953# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2954# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2955# else
2956# ifdef FFLUSH_ALL
2957# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2958# else
c5be433b 2959# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2960# endif
66fe083f 2961# endif
45bc9206
GS
2962#endif
2963
7766f137
GS
2964#ifndef PERL_WAIT_FOR_CHILDREN
2965# define PERL_WAIT_FOR_CHILDREN NOOP
2966#endif
2967
ba869deb 2968/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2969#ifndef PERL_SET_INTERP
2970# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2971#endif
2972
2973#ifndef PERL_GET_INTERP
2974# define PERL_GET_INTERP (PL_curinterp)
2975#endif
2976
54aff467 2977#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2978# ifdef MULTIPLICITY
ba869deb 2979# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2980# endif
ba869deb
GS
2981# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2982#endif
2983
00f254e2 2984/*
8896765a 2985 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2986 All that is required is that the perl source does not
00f254e2
KW
2987 use "%-p" or "%-<number>p" or "%<number>p" formats.
2988 These formats will still work in perl code.
486ec47a 2989 See comments in sv.c for further details.
8896765a 2990
8896765a 2991 Robin Barker 2005-07-14
f46d31f2 2992
00f254e2 2993 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2994*/
8896765a
RB
2995
2996#ifndef SVf_
63ce7bf0 2997# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
2998#endif
2999
8896765a 3000#ifndef SVf
104abab4 3001# define SVf "-p"
d2560b70
RB
3002#endif
3003
014ead4b 3004#ifndef SVf32
8896765a 3005# define SVf32 SVf_(32)
014ead4b
RB
3006#endif
3007
3008#ifndef SVf256
8896765a
RB
3009# define SVf256 SVf_(256)
3010#endif
3011
be2597df
MHM
3012#define SVfARG(p) ((void*)(p))
3013
20023040
FC
3014#ifndef HEKf
3015# define HEKf "2p"
3016#endif
3017
b8fa5213
FC
3018/* Not ideal, but we cannot easily include a number in an already-numeric
3019 * format sequence. */
3020#ifndef HEKf256
3021# define HEKf256 "3p"
3022#endif
3023
20023040
FC
3024#define HEKfARG(p) ((void*)(p))
3025
b17a0679
FC
3026/* Takes three arguments: is_utf8, length, str */
3027#ifndef UTF8f
61608bb7 3028# define UTF8f "d%" UVuf "%4p"
b17a0679
FC
3029#endif
3030#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3031
f46d31f2 3032#ifdef PERL_CORE
486ec47a 3033/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3034# undef UVf
3035#else
170cd9e9
NC
3036# ifndef UVf
3037# define UVf UVuf
3038# endif
d2560b70
RB
3039#endif
3040
fcdf39cf
RGS
3041#ifdef HASATTRIBUTE_DEPRECATED
3042# define __attribute__deprecated__ __attribute__((deprecated))
3043#endif
0dbb1585
AL
3044#ifdef HASATTRIBUTE_FORMAT
3045# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3046#endif
3047#ifdef HASATTRIBUTE_MALLOC
77785eea 3048# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3049#endif
0dbb1585 3050#ifdef HASATTRIBUTE_NONNULL
abb2c242 3051# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3052#endif
0dbb1585 3053#ifdef HASATTRIBUTE_NORETURN
abb2c242 3054# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3055#endif
0dbb1585 3056#ifdef HASATTRIBUTE_PURE
abb2c242 3057# define __attribute__pure__ __attribute__((pure))
f22be1b8 3058#endif
0dbb1585
AL
3059#ifdef HASATTRIBUTE_UNUSED
3060# define __attribute__unused__ __attribute__((unused))
3061#endif
3062#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3063# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3064#endif
3065
0dbb1585 3066/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3067#ifndef __attribute__deprecated__
3068# define __attribute__deprecated__
3069#endif
0dbb1585
AL
3070#ifndef __attribute__format__
3071# define __attribute__format__(x,y,z)
3072#endif
f22be1b8 3073#ifndef __attribute__malloc__
abb2c242 3074# define __attribute__malloc__
f22be1b8
JH
3075#endif
3076#ifndef __attribute__nonnull__
abb2c242 3077# define __attribute__nonnull__(a)
f22be1b8
JH
3078#endif
3079#ifndef __attribute__noreturn__
abb2c242 3080# define __attribute__noreturn__
f22be1b8
JH
3081#endif
3082#ifndef __attribute__pure__
abb2c242 3083# define __attribute__pure__
f22be1b8 3084#endif
0dbb1585
AL
3085#ifndef __attribute__unused__
3086# define __attribute__unused__
3087#endif
f22be1b8 3088#ifndef __attribute__warn_unused_result__
abb2c242
JH
3089# define __attribute__warn_unused_result__
3090#endif
3091
0dbb1585
AL
3092/* For functions that are marked as __attribute__noreturn__, it's not
3093 appropriate to call return. In either case, include the lint directive.
3094 */
3095#ifdef HASATTRIBUTE_NORETURN
ae103e09 3096# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3097#else
ae103e09 3098# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH
3099#endif
3100
cdfeb707
RB
3101/* Some OS warn on NULL format to printf */
3102#ifdef PRINTF_FORMAT_NULL_OK
3103# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3104#else
00f254e2 3105# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3106#endif
3107
635aebb7 3108#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3109# define EXPECT(expr,val) __builtin_expect(expr,val)
3110#else
3111# define EXPECT(expr,val) (expr)
3112#endif
6d5abc62
NC
3113#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3114#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3115#ifdef HAS_BUILTIN_CHOOSE_EXPR
3116/* placeholder */
3117#endif
b37c2d43 3118
ae103e09
DD
3119
3120#ifndef __has_builtin
3121# define __has_builtin(x) 0 /* not a clang style compiler */
3122#endif
3123
3124/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3125 hint to a compiler about a statement of fact in a function call free
3126 expression, which allows the compiler to generate better machine code.
3127 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3128 the control path is unreachable. In a for loop, ASSUME can be used to hint
3129 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3130 intrinsic function, see its documents for more details.
3131*/
3132
3133#ifndef DEBUGGING
3134# if __has_builtin(__builtin_unreachable) \
3135 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3136# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3137# elif defined(_MSC_VER)
3138# define ASSUME(x) __assume(x)
3139# elif defined(__ARMCC_VERSION) /* untested */
3140# define ASSUME(x) __promise(x)
3141# else
3142/* a random compiler might define assert to its own special optimization token
3143 so pass it through to C lib as a last resort */
3144# define ASSUME(x) assert(x)
3145# endif
3146#else
3147# define ASSUME(x) assert(x)
3148#endif
3149
3150#define NOT_REACHED ASSUME(0)
3151
3fc1aec6
PP
3152/* Some unistd.h's give a prototype for pause() even though
3153 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3154 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3155*/
3156#ifdef HAS_PAUSE
3157#define Pause pause
3158#else
3159#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3160#endif
3161
3162#ifndef IOCPARM_LEN
3163# ifdef IOCPARM_MASK
61f1c44b 3164 /* on BSDish systems we're safe */
748a9306
LW
3165# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3166# else
61f1c44b 3167# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3168 /* on Linux systems we're safe; except when we're not [perl #38223] */
3169# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3170# else
748a9306 3171 /* otherwise guess at what's safe */
61f1c44b
JVD
3172# define IOCPARM_LEN(x) 256
3173# endif
748a9306 3174# endif
a0d0e21e
LW
3175#endif
3176
1761cee5 3177#if defined(__CYGWIN__)
521e0776
GS
3178/* USEMYBINMODE
3179 * This symbol, if defined, indicates that the program should
16fe6d59 3180 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3181 * that a file is in "binary" mode -- that is, that no translation
3182 * of bytes occurs on read or write operations.
3183 */
36894f0b 3184# define USEMYBINMODE /**/
77a40698 3185# include <io.h> /* for setmode() prototype */
16fe6d59 3186# define my_binmode(fp, iotype, mode) \
77a40698 3187 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3188#endif
3189
88d10794
JH
3190#ifdef __CYGWIN__
3191void init_os_extras(void);
3192#endif
3193
cea2e8a9
GS
3194#ifdef UNION_ANY_DEFINITION
3195UNION_ANY_DEFINITION;
3196#else
3197union any {
3198 void* any_ptr;
3199 I32 any_i32;
ae103e09 3200 U32 any_u32;
cea2e8a9 3201 IV any_iv;
c6bf6a65 3202 UV any_uv;
cea2e8a9 3203 long any_long;
9febdf04 3204 bool any_bool;
c76ac1ee 3205 void (*any_dptr) (void*);
acfe0abc 3206 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3207};
3208#endif
3209
acfe0abc 3210typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3211
3212#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3213#define FILTER_DATA(idx) \
3214 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3215#define FILTER_ISREADER(idx) \
3216 (PL_parser && PL_parser->rsfp_filters \
3217 && idx >= AvFILLp(PL_parser->rsfp_filters))
3218#define PERL_FILTER_EXISTS(i) \
3219 (PL_parser && PL_parser->rsfp_filters \
3220 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3221
c5078cac
JH
3222#if defined(_AIX) && !defined(_AIX43)
3223#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3224/* We cannot include <crypt.h> to get the struct crypt_data
3225 * because of setkey prototype problems when threading */
3226typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3227 /* From OSF, Not needed in AIX
3228 char C[28], D[28];
3229 */
3230 char E[48];
3231 char KS[16][48];
3232 char block[66];
3233 char iobuf[16];
3234} CRYPTD;
3235#endif /* threading */
3236#endif /* AIX */
3237
e37778c2 3238#if !defined(OS2)
2c2d71f5
JH
3239# include "iperlsys.h"
3240#endif
504f80c1 3241
9c12f1e5 3242#ifdef __LIBCATAMOUNT__
00f254e2 3243#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3244#undef HAS_GROUP
3245#define FAKE_BIT_BUCKET
3246#endif
3247
d10dc2ae
JH
3248/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3249 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3250 * defined by Configure, despite their names being similar to the
3251 * other defines like USE_ITHREADS. Configure in fact knows nothing
3252 * about the randomised hashes. Therefore to enable/disable the hash
3253 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3254#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3255# define USE_HASH_SEED
504f80c1
JH
3256#endif
3257
598921a7
NC
3258/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3259 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3260 * it's not really needed.
3261 */
3262#if defined(WIN32)
3263# define YYTOKENTYPE
3264#endif
3265#include "perly.h"
3266
3267#ifdef PERL_MAD
3268struct nexttoken {
3269 YYSTYPE next_val; /* value of next token, if any */
3270 I32 next_type; /* type of next token */
3271 MADPROP *next_mad; /* everything else about that token */
3272};
3273#endif
3274
654eccd5
JD
3275/* macros to define bit-fields in structs. */
3276#ifndef PERL_BITFIELD8
3277# define PERL_BITFIELD8 unsigned
3278#endif
3279#ifndef PERL_BITFIELD16
3280# define PERL_BITFIELD16 unsigned
3281#endif
3282#ifndef PERL_BITFIELD32
3283# define PERL_BITFIELD32 unsigned
3284#endif
3285
79072805 3286#include "sv.h"
288b8c02 3287#include "regexp.h"
378cc40b 3288#include "util.h"
8d063cd8 3289#include "form.h"
79072805 3290#include "gv.h"
dd2155a4 3291#include "pad.h"
79072805 3292#include "cv.h"
abdd5c84 3293#include "opnames.h"
79072805 3294#include "op.h"
b3ca2e83 3295#include "hv.h"
79072805
LW
3296#include "cop.h"
3297#include "av.h"
79072805
LW
3298#include "mg.h"
3299#include "scope.h"
4438c4b7 3300#include "warnings.h"
a0ed51b3 3301#include "utf8.h"
8d063cd8 3302
0d7d409d
DM
3303/* these would be in doio.h if there was such a file */
3304#define my_stat() my_stat_flags(SV_GMAGIC)
3305#define my_lstat() my_lstat_flags(SV_GMAGIC)
3306
20f4945e 3307/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3308#undef _XPV_HEAD
3309#undef _XPVMG_HEAD
3310#undef _XPVCV_COMMON
7fae4e64
GS
3311
3312typedef struct _sublex_info SUBLEXINFO;
3313struct _sublex_info {
651b5b28
NC
3314 U8 super_state; /* lexer state to save */
3315 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3316 OP *sub_op; /* "lex_op" to use */
7cc34111 3317 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3318};
3319
199e78b7
DM
3320#include "parser.h"
3321
455ece5e 3322typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3323
2260ab51
KW
3324#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3325
3326/* These have to be predeclared, as they are used in proto.h which is #included
3327 * before their definitions in regcomp.h. */
3328
3329struct scan_data_t;
3330struct regnode_charclass_class;
d1d040e5
KW
3331
3332/* A hopefully less confusing name. The sub-classes are all Posix classes only
3333 * used under /l matching */
3334typedef struct regnode_charclass_class regnode_charclass_posixl;
31f05a37 3335typedef struct regnode_charclass_posixl_fold regnode_charclass_posixl_fold;
d1d040e5 3336
b8f7bb16 3337typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3338typedef struct RExC_state_t RExC_state_t;
3339struct _reg_trie_data;
76e3520e 3340
2260ab51
KW
3341#endif
3342
5f7fde29
GS
3343struct ptr_tbl_ent {
3344 struct ptr_tbl_ent* next;
53c1dcc0 3345 const void* oldval;
5f7fde29 3346 void* newval;
d18c6117
GS
3347};
3348
5f7fde29
GS
3349struct ptr_tbl {
3350 struct ptr_tbl_ent** tbl_ary;
3351 UV tbl_max;
3352 UV tbl_items;
db93c0c4
NC
3353 struct ptr_tbl_arena *tbl_arena;
3354 struct ptr_tbl_ent *tbl_arena_next;
3355 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3356};
3357
fe14fcc3
LW
3358#if defined(htonl) && !defined(HAS_HTONL)
3359#define HAS_HTONL
ae986130 3360#endif
fe14fcc3
LW
3361#if defined(htons) && !defined(HAS_HTONS)
3362#define HAS_HTONS
ae986130 3363#endif
fe14fcc3
LW
3364#if defined(ntohl) && !defined(HAS_NTOHL)
3365#define HAS_NTOHL
ae986130 3366#endif
fe14fcc3
LW
3367#if defined(ntohs) && !defined(HAS_NTOHS)
3368#define HAS_NTOHS
ae986130 3369#endif
fe14fcc3 3370#ifndef HAS_HTONL
fe14fcc3
LW
3371#define HAS_HTONS
3372#define HAS_HTONL
3373#define HAS_NTOHS
3374#define HAS_NTOHL
8e2d7c44
NC
3375# if (BYTEORDER & 0xffff) == 0x4321
3376/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3377 re-order their values. However, to behave identically to the alternative
3378 implementations, they should truncate to the correct size. */
3379# define ntohl(x) ((x)&0xFFFFFFFF)
3380# define htonl(x) ntohl(x)
3381# define ntohs(x) ((x)&0xFFFF)
3382# define htons(x) ntohs(x)
e4b03fed
NC
3383# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3384
3385/* Note that we can't straight out declare our own htonl and htons because
3386 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3387 to avoid the overhead of initialising the socket subsystem, but the headers
3388 that *declare* the various functions are still seen. If we declare our own
3389 htonl etc they will clash with the declarations in the Win32 headers. */
3390
3391PERL_STATIC_INLINE U32
3392my_swap32(const U32 x) {
3393 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3394 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3395}
3396
3397PERL_STATIC_INLINE U16
3398my_swap16(const U16 x) {
3399 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3400}
3401
3402# define htonl(x) my_swap32(x)
3403# define ntohl(x) my_swap32(x)
3404# define ntohs(x) my_swap16(x)
3405# define htons(x) my_swap16(x)
8e2d7c44 3406# else
691a44df
NC
3407# error "Unsupported byteorder"
3408/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3409 the error message. Please check the value of the macro BYTEORDER, as defined
3410 in config.h. The values of BYTEORDER we expect are
3411
3412 big endian little endian
3413 32 bit 0x4321 0x1234
3414 64 bit 0x87654321 0x12345678
3415
3416 If you have a system with a different byte order, please see
3417 pod/perlhack.pod for how to submit a patch to add supporting code.
3418*/
3419# endif
a687059c
LW
3420#endif
3421
988174c1
LW
3422/*
3423 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3424 * -DWS
3425 */
5ae72479 3426#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3427/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3428 re-order their values. However, to behave identically to the alternative
3429 implementations, they should truncate to the correct size. */
3430# define vtohl(x) ((x)&0xFFFFFFFF)
3431# define vtohs(x) ((x)&0xFFFF)
3432# define htovl(x) vtohl(x)
3433# define htovs(x) vtohs(x)
545872c5 3434#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3435# define vtohl(x) ((((x)&0xFF)<<24) \
3436 +(((x)>>24)&0xFF) \
3437 +(((x)&0x0000FF00)<<8) \
3438 +(((x)&0x00FF0000)>>8) )
3439# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3440# define htovl(x) vtohl(x)
3441# define htovs(x) vtohs(x)
545872c5
NC
3442#else
3443# error "Unsupported byteorder"
3444/* If you have need for current perl on PDP-11 or similar, and can help test
3445 that blead keeps working on a mixed-endian system, then see
3446 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3447#endif
988174c1 3448
3bb7c1b4
JH
3449/* *MAX Plus 1. A floating point value.
3450 Hopefully expressed in a way that dodgy floating point can't mess up.
3451 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3452 is added to it
3453 May find that some broken compiler will want the value cast to I32.
3454 [after the shift, as signed >> may not be as secure as unsigned >>]
3455*/
3456#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3457#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3458/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3459 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3460 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3461*/
3462#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3463
3bb7c1b4
JH
3464#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3465#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3466#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3467
3468/* This may look like unnecessary jumping through hoops, but converting
3469 out of range floating point values to integers *is* undefined behaviour,
3470 and it is starting to bite.
3471*/
3472#ifndef CAST_INLINE
65202027 3473#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3474#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3475#define I_V(what) (cast_iv((NV)(what)))
3476#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3477#else
3478#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3479 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3480 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3481#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3482 : ((n) < U32_MAX_P1 ? (U32) (n) \
3483 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3484#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3485 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3486 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3487#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3488 : ((n) < UV_MAX_P1 ? (UV) (n) \
3489 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3490#endif
3491
3492#define U_S(what) ((U16)U_32(what))
3493#define U_I(what) ((unsigned int)U_32(what))
3494#define U_L(what) U_32(what)
ed6116ce 3495
ed140128
AD
3496#ifdef HAS_SIGNBIT
3497# define Perl_signbit signbit
3498#endif
3499
2d4389e4
JH
3500/* These do not care about the fractional part, only about the range. */
3501#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3502#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3503
25da4f38
IZ
3504/* Used with UV/IV arguments: */
3505 /* XXXX: need to speed it up */
3506#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3507#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3508
352d5a3a
LW
3509#ifndef MAXSYSFD
3510# define MAXSYSFD 2
3511#endif
ee0007ab 3512
79072805 3513#ifndef __cplusplus
e37d7e38 3514#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3515Uid_t getuid (void);
3516Uid_t geteuid (void);
3517Gid_t getgid (void);
3518Gid_t getegid (void);
79072805 3519#endif
e1caacb4 3520#endif
8d063cd8 3521
0c30d9ec 3522#ifndef Perl_debug_log
bf49b057
GS
3523# define Perl_debug_log PerlIO_stderr()
3524#endif
3525
3526#ifndef Perl_error_log
3527# define Perl_error_log (PL_stderrgv \
6b78add2 3528 && isGV(PL_stderrgv) \
01bb7c6d 3529 && GvIOp(PL_stderrgv) \
42de951c 3530 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3531 ? IoOFP(GvIOp(PL_stderrgv)) \
3532 : PerlIO_stderr())
0c30d9ec 3533#endif
3967c732 3534
aea4f609
DM
3535
3536#define DEBUG_p_FLAG 0x00000001 /* 1 */
3537#define DEBUG_s_FLAG 0x00000002 /* 2 */
3538#define DEBUG_l_FLAG 0x00000004 /* 4 */
3539#define DEBUG_t_FLAG 0x00000008 /* 8 */
3540#define DEBUG_o_FLAG 0x00000010 /* 16 */
3541#define DEBUG_c_FLAG 0x00000020 /* 32 */
3542#define DEBUG_P_FLAG 0x00000040 /* 64 */
3543#define DEBUG_m_FLAG 0x00000080 /* 128 */
3544#define DEBUG_f_FLAG 0x00000100 /* 256 */
3545#define DEBUG_r_FLAG 0x00000200 /* 512 */
3546#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3547#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3548/* U is reserved for Unofficial, exploratory hacking */
3549#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3550#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3551#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3552#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3553#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3554#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3555#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3556#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3557#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3558#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3559#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3560#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3561#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3562#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW
3563#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3564#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM
3565
3566#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3567#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3568 that something was done? */
aea4f609 3569
bd16a5f0
IZ
3570# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3571# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3572# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3573# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3574# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3575# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3576# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3577# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3578# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3579# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3580# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3581# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3582# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3583# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3584# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3585# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3586# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3587# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3588# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3589# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3590# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3591# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3592# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3593# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3594# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3595# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3596# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3597# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3598# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3599# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3600
3967c732 3601#ifdef DEBUGGING
aea4f609 3602
bd16a5f0
IZ
3603# define DEBUG_p_TEST DEBUG_p_TEST_
3604# define DEBUG_s_TEST DEBUG_s_TEST_
3605# define DEBUG_l_TEST DEBUG_l_TEST_
3606# define DEBUG_t_TEST DEBUG_t_TEST_
3607# define DEBUG_o_TEST DEBUG_o_TEST_
3608# define DEBUG_c_TEST DEBUG_c_TEST_
3609# define DEBUG_P_TEST DEBUG_P_TEST_
3610# define DEBUG_m_TEST DEBUG_m_TEST_
3611# define DEBUG_f_TEST DEBUG_f_TEST_
3612# define DEBUG_r_TEST DEBUG_r_TEST_
3613# define DEBUG_x_TEST DEBUG_x_TEST_
3614# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3615# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3616# define DEBUG_H_TEST DEBUG_H_TEST_
3617# define DEBUG_X_TEST DEBUG_X_TEST_
3618# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3619# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3620# define DEBUG_T_TEST DEBUG_T_TEST_
3621# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3622# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3623# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3624# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3625# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3626# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3627# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3628# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3629# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC
3630# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3631# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3632# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3633
488b0c7a
JH
3634# define PERL_DEB(a) a
3635# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3636# define DEBUG_p(a) if (DEBUG_p_TEST) a
3637# define DEBUG_s(a) if (DEBUG_s_TEST) a
3638# define DEBUG_l(a) if (DEBUG_l_TEST) a
3639# define DEBUG_t(a) if (DEBUG_t_TEST) a
3640# define DEBUG_o(a) if (DEBUG_o_TEST) a
3641# define DEBUG_c(a) if (DEBUG_c_TEST) a
3642# define DEBUG_P(a) if (DEBUG_P_TEST) a
3643
969058bb
VK
3644 /* Temporarily turn off memory debugging in case the a
3645 * does memory allocation, either directly or indirectly. */
acfe0abc 3646# define DEBUG_m(a) \
0b250b9e 3647 STMT_START { \
aea4f609 3648 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3649 } STMT_END
aea4f609 3650
5f80b19c
AMS
3651# define DEBUG__(t, a) \
3652 STMT_START { \
3653 if (t) STMT_START {a;} STMT_END; \
3654 } STMT_END
3655
3656# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3657#ifndef PERL_EXT_RE_BUILD
5f80b19c 3658# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3659#else
3660# define DEBUG_r(a) STMT_START {a;} STMT_END
3661#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3662# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3663# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3664# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3665# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3666# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3667# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3668# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3669# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3670# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3671
56967202 3672# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3673# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3674# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3675# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3676# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3677# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3678# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3679# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3680# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 3681# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM
3682
3683#else /* DEBUGGING */
3684
3685# define DEBUG_p_TEST (0)
3686# define DEBUG_s_TEST (0)
3687# define DEBUG_l_TEST (0)
3688# define DEBUG_t_TEST (0)
3689# define DEBUG_o_TEST (0)
3690# define DEBUG_c_TEST (0)
3691# define DEBUG_P_TEST (0)
3692# define DEBUG_m_TEST (0)
3693# define DEBUG_f_TEST (0)
3694# define DEBUG_r_TEST (0)
3695# define DEBUG_x_TEST (0)
3696# define DEBUG_u_TEST (0)
88d2d28a 3697# define DEBUG_U_TEST (0)
aea4f609
DM
3698# define DEBUG_H_TEST (0)
3699# define DEBUG_X_TEST (0)
3700# define DEBUG_D_TEST (0)
56967202 3701# define DEBUG_S_TEST (0)
aea4f609 3702# define DEBUG_T_TEST (0)
04932ac8 3703# define DEBUG_R_TEST (0)
1045810a 3704# define DEBUG_J_TEST (0)
d6721266 3705# define DEBUG_v_TEST (0)
46187eeb 3706# define DEBUG_C_TEST (0)
ecae49c0
NC
3707# define DEBUG_A_TEST (0)
3708# define DEBUG_q_TEST (0)
d7c0d282 3709# define DEBUG_M_TEST (0)
cc8773c0 3710# define DEBUG_B_TEST (0)
69014004 3711# define DEBUG_L_TEST (0)
7949c6f5
JC
3712# define DEBUG_Xv_TEST (0)
3713# define DEBUG_Uv_TEST (0)
ad9e76a8 3714# define DEBUG_Pv_TEST (0)
aea4f609 3715
488b0c7a
JH
3716# define PERL_DEB(a)
3717# define PERL_DEBUG(a)
aea4f609
DM
3718# define DEBUG_p(a)
3719# define DEBUG_s(a)
3720# define DEBUG_l(a)
3721# define DEBUG_t(a)
3722# define DEBUG_o(a)
3723# define DEBUG_c(a)
3724# define DEBUG_P(a)
3725# define DEBUG_m(a)
3726# define DEBUG_f(a)
3727# define DEBUG_r(a)
3728# define DEBUG_x(a)
3729# define DEBUG_u(a)
88d2d28a 3730# define DEBUG_U(a)
aea4f609
DM
3731# define DEBUG_H(a)
3732# define DEBUG_X(a)
3733# define DEBUG_D(a)
56967202 3734# define DEBUG_S(a)
aea4f609 3735# define DEBUG_T(a)
04932ac8 3736# define DEBUG_R(a)
d6721266 3737# define DEBUG_v(a)
46187eeb 3738# define DEBUG_C(a)
ecae49c0
NC
3739# define DEBUG_A(a)
3740# define DEBUG_q(a)