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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
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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
a6fc70e5 178# define pTHX_12 13
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179# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
180# define PERL_TRACK_MEMPOOL
181# endif
182#else
183# undef PERL_TRACK_MEMPOOL
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184#endif
185
76e3520e 186#define STATIC static
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187
188#ifndef PERL_CORE
189/* Do not use these macros. They were part of PERL_OBJECT, which was an
190 * implementation of multiplicity using C++ objects. They have been left
191 * here solely for the sake of XS code which has incorrectly
192 * cargo-culted them.
193 */
76e3520e 194#define CPERLscope(x) x
565764a8 195#define CPERLarg void
76e3520e 196#define CPERLarg_
e3b8966e 197#define _CPERLarg
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198#define PERL_OBJECT_THIS
199#define _PERL_OBJECT_THIS
200#define PERL_OBJECT_THIS_
312caa8e 201#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 202#define MEMBER_TO_FPTR(name) name
16c91539 203#endif /* !PERL_CORE */
76e3520e 204
16c91539 205#define CALLRUNOPS PL_runops
f9f4320a 206
3ab4a224 207#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 208
16c91539 209#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 210#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 211 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 212 (strbeg),(minend),(sv),(data),(flags))
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213#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
214 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
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215 (strend),(flags),(data))
216#define CALLREG_INTUIT_STRING(prog) \
16c91539 217 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 218
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219#define CALLREGFREE(prog) \
220 Perl_pregfree(aTHX_ (prog))
221
222#define CALLREGFREE_PVT(prog) \
16c91539 223 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 224
2fdbfb4d 225#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 226 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 227
2fdbfb4d 228#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 229 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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230
231#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 232 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 233
192b9cd1 234#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 235 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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236
237#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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239
240#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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242
243#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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245
246#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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248
249#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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251
252#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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254
255#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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257
258#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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260
261#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 263
49d7dfbc 264#define CALLREG_PACKAGE(rx) \
16c91539 265 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 266
00f254e2 267#if defined(USE_ITHREADS)
f9f4320a 268#define CALLREGDUPE(prog,param) \
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269 Perl_re_dup(aTHX_ (prog),(param))
270
271#define CALLREGDUPE_PVT(prog,param) \
16c91539 272 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 273 : (REGEXP *)NULL)
f9f4320a 274#endif
14dd3ad8 275
a20207d7 276
bcdf7404 277
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278
279
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280/*
281 * Because of backward compatibility reasons the PERL_UNUSED_DECL
282 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
283 *
284 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 285 * which do not have an "inlined" way (like the gcc __attribute__) of
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286 * marking unused variables (they need e.g. a #pragma) and therefore
287 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
288 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
289 *
290 */
1266ad8c 291
9969cdde 292#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 293# ifdef __cplusplus
5ba4cab2 294# define PERL_UNUSED_DECL
5b2bd0a5 295# else
5ba4cab2 296# define PERL_UNUSED_DECL __attribute__((unused))
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297# endif
298#endif
44dbb695 299
5b2bd0a5 300#ifndef PERL_UNUSED_DECL
34659ad4 301# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 302# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 303# else
5ba4cab2 304# define PERL_UNUSED_DECL
b79c357a 305# endif
5b2bd0a5 306#endif
00f254e2 307
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308/* gcc -Wall:
309 * for silencing unused variables that are actually used most of the time,
a0288114 310 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 311 */
53c1dcc0 312#ifndef PERL_UNUSED_ARG
c99ffe5e 313# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 314# include <note.h>
53c1dcc0 315# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 316# else
53c1dcc0 317# define PERL_UNUSED_ARG(x) ((void)x)
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318# endif
319#endif
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320#ifndef PERL_UNUSED_VAR
321# define PERL_UNUSED_VAR(x) ((void)x)
322#endif
ad73156c 323
23491f1d 324#if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
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325# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
326#else
327# define PERL_UNUSED_CONTEXT
328#endif
329
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330/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
331 * g++ allows them but seems to have problems with them
332 * (insane errors ensue).
333 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
334 */
335#if defined(PERL_GCC_PEDANTIC) || \
336 (defined(__GNUC__) && defined(__cplusplus) && \
337 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
338# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
339# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
340# endif
341#endif
342
ffea512f 343/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
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344 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
345 *
346 * The main reason for this is that the combination of gcc -Wunused-result
347 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
348 * be silenced with casting to void. This causes trouble when the system
349 * header files use the attribute.
350 *
351 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
352 * is there for a good reason: you might lose success/failure information,
353 * or leak resources, or changes in resources.
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354 *
355 * But sometimes you just want to ignore the return value, e.g. on
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356 * codepaths soon ending up in abort, or in "best effort" attempts,
357 * or in situations where there is no good way to handle failures.
ffea512f 358 *
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359 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
360 * another possibility is that you can capture the return value
361 * and use PERL_UNUSED_VAR on that.
ffea512f 362 *
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363 * The __typeof__() is used instead of typeof() since typeof() is not
364 * available under strict C89, and because of compilers masquerading
365 * as gcc (clang and icc), we want exactly the gcc extension
366 * __typeof__ and nothing else.
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367 */
368#ifndef PERL_UNUSED_RESULT
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369# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
370# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
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371# else
372# define PERL_UNUSED_RESULT(v) ((void)(v))
373# endif
374#endif
375
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376/* on gcc (and clang), specify that a warning should be temporarily
377 * ignored; e.g.
378 *
379 * GCC_DIAG_IGNORE(-Wmultichar);
380 * char b = 'ab';
381 * GCC_DIAG_RESTORE;
382 *
383 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
384 *
385 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
386 * clang only pretends to be GCC 4.2, but still supports push/pop.
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387 *
388 * Note on usage: on non-gcc (or lookalike, like clang) compilers
389 * one cannot use these at file (global) level without warnings
390 * since they are defined as empty, which leads into the terminating
391 * semicolon being left alone on a line:
392 * ;
393 * which makes compilers mildly cranky. Therefore at file level one
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394 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
395 * the semicolons.
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396 *
397 * (A dead-on-arrival solution would be to try to define the macros as
398 * NOOP or dNOOP, those don't work both inside functions and outside.)
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399 */
400
57d4b8c5 401#if defined(__clang__) || defined(__clang) || \
d28ce8b4 402 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
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403# define GCC_DIAG_PRAGMA(x) _Pragma (#x)
404/* clang has "clang diagnostic" pragmas, but also understands gcc. */
b56aac20 405# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
c1d6452f 406 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
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407# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
408#else
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409# define GCC_DIAG_IGNORE(w)
410# define GCC_DIAG_RESTORE
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411#endif
412
6f207bd3 413#define NOOP /*EMPTY*/(void)0
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414/* cea2e8a9dd23747f accidentally lost the comment originally from the first
415 check in of thread.h, explaining why we need dNOOP at all: */
416/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
417/* Declaring a *function*, instead of a variable, ensures that we don't rely
418 on being able to suppress "unused" warnings. */
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419#ifdef __cplusplus
420#define dNOOP (void)0
421#else
64a8239e 422#define dNOOP extern int Perl___notused(void)
7db66e12 423#endif
71be2cbc 424
0cb96387 425#ifndef pTHX
a78adc84 426/* Don't bother defining tTHX ; using it outside
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427 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
428 */
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429# define pTHX void
430# define pTHX_
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431# define aTHX
432# define aTHX_
9399a70c 433# define aTHXa(a) NOOP
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434# define dTHXa(a) dNOOP
435# define dTHX dNOOP
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436# define pTHX_1 1
437# define pTHX_2 2
438# define pTHX_3 3
439# define pTHX_4 4
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440# define pTHX_5 5
441# define pTHX_6 6
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442# define pTHX_7 7
443# define pTHX_8 8
444# define pTHX_9 9
a6fc70e5 445# define pTHX_12 12
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446#endif
447
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448#ifndef dVAR
449# define dVAR dNOOP
450#endif
451
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452/* these are only defined for compatibility; should not be used internally */
453#if !defined(pTHXo) && !defined(PERL_CORE)
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454# define pTHXo pTHX
455# define pTHXo_ pTHX_
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456# define aTHXo aTHX
457# define aTHXo_ aTHX_
c5be433b 458# define dTHXo dTHX
71d280e3 459# define dTHXoa(x) dTHXa(x)
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460#endif
461
462#ifndef pTHXx
5aaab254 463# define pTHXx PerlInterpreter *my_perl
0cb96387 464# define pTHXx_ pTHXx,
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465# define aTHXx my_perl
466# define aTHXx_ aTHXx,
c5be433b 467# define dTHXx dTHX
22c35a8c 468#endif
71be2cbc 469
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470/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
471 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
472 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
473#ifdef PERL_IMPLICIT_SYS
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474# ifdef PERL_GLOBAL_STRUCT_PRIVATE
475# define dTHXs dVAR; dTHX
476# else
477# define dTHXs dTHX
478# endif
1de7c2ac 479#else
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480# ifdef PERL_GLOBAL_STRUCT_PRIVATE
481# define dTHXs dVAR
482# else
483# define dTHXs dNOOP
484# endif
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485#endif
486
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487/* Some platforms require marking function declarations
488 * for them to be exportable. Used in perlio.h, proto.h
489 * is handled either by the makedef.pl or by defining the
490 * PERL_CALLCONV to be something special. See also the
491 * definition of XS() in XSUB.h. */
492#ifndef PERL_EXPORT_C
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493# ifdef __cplusplus
494# define PERL_EXPORT_C extern "C"
495# else
496# define PERL_EXPORT_C extern
497# endif
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498#endif
499#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
500# ifdef __cplusplus
501# define PERL_XS_EXPORT_C extern "C"
502# else
503# define PERL_XS_EXPORT_C
504# endif
27da23d5
JH
505#endif
506
5b692037
JH
507#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
508# ifndef PERL_USE_GCC_BRACE_GROUPS
509# define PERL_USE_GCC_BRACE_GROUPS
510# endif
511#endif
512
728e2803
PP
513/*
514 * STMT_START { statements; } STMT_END;
515 * can be used as a single statement, as in
516 * if (x) STMT_START { ... } STMT_END; else ...
517 *
518 * Trying to select a version that gives no warnings...
519 */
520#if !(defined(STMT_START) && defined(STMT_END))
5b692037 521# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 522# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
523# define STMT_END )
524# else
728e2803
PP
525# define STMT_START do
526# define STMT_END while (0)
728e2803
PP
527# endif
528#endif
529
d6f9c181
JH
530#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
531# define BYTEORDER 0x1234
79072805
LW
532#endif
533
534/* Overall memory policy? */
535#ifndef CONSERVATIVE
536# define LIBERAL 1
537#endif
538
8ada0baa
JH
539#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
540#define ASCIIish
541#else
542#undef ASCIIish
543#endif
544
79072805
LW
545/*
546 * The following contortions are brought to you on behalf of all the
547 * standards, semi-standards, de facto standards, not-so-de-facto standards
548 * of the world, as well as all the other botches anyone ever thought of.
549 * The basic theory is that if we work hard enough here, the rest of the
550 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
551 */
ac58e20f 552
ee0007ab 553/* define this once if either system, instead of cluttering up the src */
7c458fae 554#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
555#define DOSISH 1
556#endif
557
739a0b84 558#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
559# define STANDARD_C 1
560#endif
561
8d87852b 562#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
563# define DONT_DECLARE_STD 1
564#endif
565
352d5a3a 566#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 567# define VOL volatile
663a0e37 568#else
79072805 569# define VOL
663a0e37
LW
570#endif
571
284167a5
SM
572/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
573 * you get a perl without taint support, but doubtlessly with a lesser
574 * degree of support. Do not do so unless you know exactly what it means
575 * technically, have a good reason to do so, and know exactly how the
576 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
577 * a potential security risk due to flat out ignoring the security-relevant
578 * taint flags. This being said, a perl without taint support compiled in
579 * has marginal run-time performance benefits.
580 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
581 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
582 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
583 *
584 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 585 * voids your nonexistent warranty!
284167a5 586 */
dc6d7f5c 587#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
SM
588# define NO_TAINT_SUPPORT 1
589#endif
590
591/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
592 * operations into no-ops for a very modest speed-up. Enable only if you
593 * know what you're doing: tests and CPAN modules' tests are bound to fail.
594 */
dc6d7f5c 595#ifdef NO_TAINT_SUPPORT
284167a5
SM
596# define TAINT NOOP
597# define TAINT_NOT NOOP
598# define TAINT_IF(c) NOOP
599# define TAINT_ENV() NOOP
600# define TAINT_PROPER(s) NOOP
601# define TAINT_set(s) NOOP
602# define TAINT_get 0
603# define TAINTING_get 0
604# define TAINTING_set(s) NOOP
605# define TAINT_WARN_get 0
606# define TAINT_WARN_set(s) NOOP
607#else
608# define TAINT (PL_tainted = TRUE)
609# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
610# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
611# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
612# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
613# define TAINT_set(s) (PL_tainted = (s))
614# define TAINT_get (PL_tainted)
615# define TAINTING_get (PL_tainting)
616# define TAINTING_set(s) (PL_tainting = (s))
617# define TAINT_WARN_get (PL_taint_warn)
618# define TAINT_WARN_set(s) (PL_taint_warn = (s))
619#endif
a687059c 620
20be6587
DM
621/* flags used internally only within pp_subst and pp_substcont */
622#ifdef PERL_CORE
623# define SUBST_TAINT_STR 1 /* string tainted */
624# define SUBST_TAINT_PAT 2 /* pattern tainted */
625# define SUBST_TAINT_REPL 4 /* replacement tainted */
626# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
627# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
628#endif
629
d460ef45 630/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
631 defines move there? If so, I could simplify this a lot. --AD 9/96.
632*/
633/* Process group stuff changed from traditional BSD to POSIX.
634 perlfunc.pod documents the traditional BSD-style syntax, so we'll
635 try to preserve that, if possible.
636*/
637#ifdef HAS_SETPGID
638# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 639#else
a6e633de
PP
640# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
641# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
642# else
643# ifdef HAS_SETPGRP2 /* DG/UX */
644# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
645# endif
646# endif
647#endif
648#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
649# define HAS_SETPGRP /* Well, effectively it does . . . */
650#endif
651
652/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
653 our life easier :-) so we'll try it.
654*/
655#ifdef HAS_GETPGID
656# define BSD_GETPGRP(pid) getpgid((pid))
657#else
658# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
659# define BSD_GETPGRP(pid) getpgrp((pid))
660# else
661# ifdef HAS_GETPGRP2 /* DG/UX */
662# define BSD_GETPGRP(pid) getpgrp2((pid))
663# endif
664# endif
665#endif
666#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
667# define HAS_GETPGRP /* Well, effectively it does . . . */
668#endif
669
d460ef45 670/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
671 have different behaviors, but perl.h used to define USE_BSDPGRP
672 (prior to 5.003_05) so some extension might depend on it.
673*/
674#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
675# ifndef USE_BSDPGRP
676# define USE_BSDPGRP
677# endif
663a0e37
LW
678#endif
679
486ec47a 680/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
681 pthread.h must be included before all other header files.
682*/
3db8f154 683#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
684# include <pthread.h>
685#endif
686
58ab9e8b 687#include <sys/types.h>
663a0e37 688
760ac839
LW
689#ifdef __cplusplus
690# ifndef I_STDARG
691# define I_STDARG 1
692# endif
693#endif
694
695#ifdef I_STDARG
696# include <stdarg.h>
697#else
698# ifdef I_VARARGS
699# include <varargs.h>
700# endif
701#endif
702
fe14fcc3 703#include <ctype.h>
a0d0e21e
LW
704
705#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
706#undef METHOD
a0d0e21e
LW
707#endif
708
12ae5dfc
JH
709#ifdef PERL_MICRO
710# define NO_LOCALE
711#endif
712
4633a7c4 713#ifdef I_LOCALE
36477c24 714# include <locale.h>
4633a7c4
LW
715#endif
716
36477c24
PP
717#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
718# define USE_LOCALE
ccd65d51
KW
719# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
720 capability */
36477c24
PP
721# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
722 && defined(HAS_STRXFRM)
723# define USE_LOCALE_COLLATE
724# endif
725# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
726# define USE_LOCALE_CTYPE
727# endif
728# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
729# define USE_LOCALE_NUMERIC
730# endif
fa9b773e
KW
731# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
732# define USE_LOCALE_MESSAGES
733# endif
734# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
735# define USE_LOCALE_MONETARY
736# endif
b385bb4d
KW
737# ifndef WIN32 /* No wrapper except on Windows */
738# define my_setlocale(a,b) setlocale(a,b)
739# endif
36477c24 740#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 741
fe14fcc3 742#include <setjmp.h>
79072805 743
a0d0e21e 744#ifdef I_SYS_PARAM
79072805
LW
745# ifdef PARAM_NEEDS_TYPES
746# include <sys/types.h>
747# endif
748# include <sys/param.h>
352d5a3a 749#endif
79072805 750
ce3470dc
AD
751/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
752 value something like 199306. This may be useful if no more-specific
753 feature test is available.
754*/
755#if defined(BSD)
756# ifndef BSDish
757# define BSDish
758# endif
759#endif
760
79072805 761/* Use all the "standard" definitions? */
a0d0e21e 762#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 763# include <stdlib.h>
ff68c719 764#endif
03a14243 765
3f270f98
JH
766/* If this causes problems, set i_unistd=undef in the hint file. */
767#ifdef I_UNISTD
768# include <unistd.h>
769#endif
770
de8ca8af
NT
771/* for WCOREDUMP */
772#ifdef I_SYS_WAIT
773# include <sys/wait.h>
774#endif
775
9969cdde 776#ifdef __SYMBIAN32__
27da23d5
JH
777# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
778#endif
779
21e89b5f 780#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 781EXTERN_C int syscall(int, ...);
2ef53570
JH
782#endif
783
21e89b5f 784#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 785EXTERN_C int usleep(unsigned int);
2ef53570
JH
786#endif
787
1109a392
MHM
788#ifdef PERL_CORE
789
790/* macros for correct constant construction */
791# if INTSIZE >= 2
792# define U16_CONST(x) ((U16)x##U)
793# else
794# define U16_CONST(x) ((U16)x##UL)
795# endif
796
797# if INTSIZE >= 4
798# define U32_CONST(x) ((U32)x##U)
799# else
800# define U32_CONST(x) ((U32)x##UL)
801# endif
802
803# ifdef HAS_QUAD
804# if INTSIZE >= 8
805# define U64_CONST(x) ((U64)x##U)
806# elif LONGSIZE >= 8
807# define U64_CONST(x) ((U64)x##UL)
808# elif QUADKIND == QUAD_IS_LONG_LONG
809# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
810# elif QUADKIND == QUAD_IS___INT64
811# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
812# else /* best guess we can make */
813# define U64_CONST(x) ((U64)x##UL)
814# endif
815# endif
816
817/* byte-swapping functions for big-/little-endian conversion */
818# define _swab_16_(x) ((U16)( \
819 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
820 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
821
822# define _swab_32_(x) ((U32)( \
823 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
824 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
825 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
826 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
827
828# ifdef HAS_QUAD
829# define _swab_64_(x) ((U64)( \
830 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
831 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
832 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
833 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
834 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
835 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
836 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
837 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
838# endif
839
9c17f24a
NC
840/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
841 at least on FreeBSD. YMMV, so experiment. */
842#ifndef PERL_ARENA_SIZE
843#define PERL_ARENA_SIZE 4080
844#endif
845
ccb2c8b8 846/* Maximum level of recursion */
2b9dff67
RGS
847#ifndef PERL_SUB_DEPTH_WARN
848#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
849#endif
850
1109a392
MHM
851#endif /* PERL_CORE */
852
bdf3085f
NC
853/* We no longer default to creating a new SV for GvSV.
854 Do this before embed. */
855#ifndef PERL_CREATE_GVSV
7459f06b
NC
856# ifndef PERL_DONT_CREATE_GVSV
857# define PERL_DONT_CREATE_GVSV
858# endif
bdf3085f
NC
859#endif
860
ca0c25f6
NC
861#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
862#define PERL_USES_PL_PIDSTATUS
863#endif
864
739a0b84 865#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
866#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
867#endif
868
c31fac66
GS
869#define MEM_SIZE Size_t
870
1936d2a7
NC
871/* Round all values passed to malloc up, by default to a multiple of
872 sizeof(size_t)
873*/
874#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
875#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
876#endif
877
f1200559
WH
878/* sv_grow() will expand strings by at least a certain percentage of
879 the previously *used* length to avoid excessive calls to realloc().
880 The default is 25% of the current length.
881*/
882#ifndef PERL_STRLEN_EXPAND_SHIFT
883# define PERL_STRLEN_EXPAND_SHIFT 2
884#endif
885
3800c318 886#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS
887# include <stddef.h>
888# define STRUCT_OFFSET(s,m) offsetof(s,m)
889#else
890# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF
891#endif
892
893/* ptrdiff_t is C11, so undef it under pedantic builds */
894#ifdef PERL_GCC_PEDANTIC
895# undef HAS_PTRDIFF_T
51371543
GS
896#endif
897
9969cdde 898#ifndef __SYMBIAN32__
27da23d5
JH
899# if defined(I_STRING) || defined(__cplusplus)
900# include <string.h>
901# else
902# include <strings.h>
903# endif
51371543
GS
904#endif
905
55497cff
PP
906/* This comes after <stdlib.h> so we don't try to change the standard
907 * library prototypes; we'll use our own in proto.h instead. */
03a14243 908
4633a7c4 909#ifdef MYMALLOC
86058a2d 910# ifdef PERL_POLLUTE_MALLOC
ee13e175 911# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
912# define Perl_malloc malloc
913# define Perl_calloc calloc
914# define Perl_realloc realloc
915# define Perl_mfree free
ee13e175 916# endif
86058a2d
GS
917# else
918# define EMBEDMYMALLOC /* for compatibility */
919# endif
827e134a 920
651b9576
GS
921# define safemalloc Perl_malloc
922# define safecalloc Perl_calloc
923# define saferealloc Perl_realloc
924# define safefree Perl_mfree
22f7c9c9
JH
925# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
926 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
927 code; \
928 } STMT_END
929# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
930 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
931# define panic_write2(s) write(2, s, strlen(s))
932# define CHECK_MALLOC_TAINT(newval) \
933 CHECK_MALLOC_TOO_LATE_FOR_( \
934 if (newval) { \
acfd4d8e 935 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 936 exit(1); })
22f7c9c9 937# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 938 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
939 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
940 }} STMT_END;
f2517201
GS
941#else /* MYMALLOC */
942# define safemalloc safesysmalloc
943# define safecalloc safesyscalloc
944# define saferealloc safesysrealloc
945# define safefree safesysfree
22f7c9c9
JH
946# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
947# define CHECK_MALLOC_TAINT(newval) ((void)0)
948# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 949#endif /* MYMALLOC */
4633a7c4 950
fe13d51d 951/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 952#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
953#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
954#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
955#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
956
a0d0e21e
LW
957#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
958#define strchr index
959#define strrchr rindex
960#endif
961
16d20bd9
AD
962#ifdef I_MEMORY
963# include <memory.h>
964#endif
965
fe14fcc3 966#ifdef HAS_MEMCPY
85e6fe83 967# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 968# ifndef memcpy
20ce7b12 969 extern char * memcpy (char*, char*, int);
ee0007ab
LW
970# endif
971# endif
972#else
973# ifndef memcpy
974# ifdef HAS_BCOPY
975# define memcpy(d,s,l) bcopy(s,d,l)
976# else
977# define memcpy(d,s,l) my_bcopy(s,d,l)
978# endif
979# endif
980#endif /* HAS_MEMCPY */
fe14fcc3 981
ee0007ab 982#ifdef HAS_MEMSET
85e6fe83 983# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 984# ifndef memset
20ce7b12 985 extern char *memset (char*, int, int);
ee0007ab
LW
986# endif
987# endif
ee0007ab 988#else
12ae5dfc 989# undef memset
fc36a67e 990# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
991#endif /* HAS_MEMSET */
992
85e6fe83 993#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 994# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
995# define memmove(d,s,l) bcopy(s,d,l)
996# else
2304df62 997# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 998# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 999# else
79072805 1000# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1001# endif
352d5a3a 1002# endif
d9d8d8de 1003#endif
ee0007ab 1004
36477c24
PP
1005#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1006# undef HAS_MEMCMP
1007#endif
1008
1009#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1010# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1011# ifndef memcmp
20ce7b12 1012 extern int memcmp (char*, char*, int);
ee0007ab
LW
1013# endif
1014# endif
1015#else
1016# ifndef memcmp
ecfc5424 1017# define memcmp my_memcmp
352d5a3a 1018# endif
36477c24 1019#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1020
fc36a67e 1021#ifndef memzero
c635e13b
PP
1022# ifdef HAS_MEMSET
1023# define memzero(d,l) memset(d,0,l)
79072805 1024# else
c635e13b
PP
1025# ifdef HAS_BZERO
1026# define memzero(d,l) bzero(d,l)
79072805 1027# else
fc36a67e 1028# define memzero(d,l) my_bzero(d,l)
79072805
LW
1029# endif
1030# endif
d9d8d8de 1031#endif
378cc40b 1032
2f42fcb0 1033#ifndef PERL_MICRO
0f27ced1
JH
1034#ifndef memchr
1035# ifndef HAS_MEMCHR
1036# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1037# endif
1038#endif
2f42fcb0 1039#endif
0f27ced1 1040
36477c24
PP
1041#ifndef HAS_BCMP
1042# ifndef bcmp
1043# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1044# endif
36477c24 1045#endif /* !HAS_BCMP */
378cc40b 1046
ae986130 1047#ifdef I_NETINET_IN
79072805 1048# include <netinet/in.h>
ae986130
LW
1049#endif
1050
28e8609d
JH
1051#ifdef I_ARPA_INET
1052# include <arpa/inet.h>
1053#endif
1054
1aef975c 1055#ifdef I_SYS_STAT
84902520 1056# include <sys/stat.h>
1aef975c 1057#endif
79072805 1058
287a962e
JD
1059/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1060 This definition should ideally go into win32/win32.h, but S_IFIFO is
1061 used later here in perl.h before win32/win32.h is being included. */
1062#if !defined(S_IFIFO) && defined(_S_IFIFO)
1063# define S_IFIFO _S_IFIFO
1064#endif
1065
cc3315ba 1066/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1067 like UTekV) are broken, sometimes giving false positives. Undefine
1068 them here and let the code below set them to proper values.
1069
1070 The ghs macro stands for GreenHills Software C-1.8.5 which
1071 is the C compiler for sysV88 and the various derivatives.
1072 This header file bug is corrected in gcc-2.5.8 and later versions.
1073 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1074
cc3315ba 1075#if defined(m88k) && defined(ghs)
79072805
LW
1076# undef S_ISDIR
1077# undef S_ISCHR
1078# undef S_ISBLK
1079# undef S_ISREG
1080# undef S_ISFIFO
1081# undef S_ISLNK
ee0007ab 1082#endif
135863df 1083
663a0e37
LW
1084#ifdef I_TIME
1085# include <time.h>
ffed7fef 1086#endif
663a0e37 1087
fe14fcc3 1088#ifdef I_SYS_TIME
85e6fe83 1089# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1090# define KERNEL
1091# endif
1092# include <sys/time.h>
85e6fe83 1093# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1094# undef KERNEL
1095# endif
a687059c 1096#endif
135863df 1097
55497cff 1098#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1099# include <sys/times.h>
d9d8d8de 1100#endif
8d063cd8 1101
fe14fcc3 1102#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1103# undef HAS_STRERROR
663a0e37
LW
1104#endif
1105
1106#include <errno.h>
1e743fda 1107
acfe0abc 1108#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1109# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1110#endif
1111
8cfab5ff 1112/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1113 * This is important for using IPv6.
8cfab5ff
JH
1114 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1115 * a bad idea since it breaks send() and recv(). */
1116#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1117# define _SOCKADDR_LEN
1118#endif
1119
da70cfc6 1120#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1121# include <sys/socket.h>
1122# if defined(USE_SOCKS) && defined(I_SOCKS)
1123# if !defined(INCLUDE_PROTOTYPES)
1124# define INCLUDE_PROTOTYPES /* for <socks.h> */
1125# define PERL_SOCKS_NEED_PROTOTYPES
1126# endif
1127# include <socks.h>
1128# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1129# undef INCLUDE_PROTOTYPES
1130# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1131# endif
d460ef45 1132# endif
1e743fda 1133# ifdef I_NETDB
2986a63f
JH
1134# ifdef NETWARE
1135# include<stdio.h>
1136# endif
1e743fda
JH
1137# include <netdb.h>
1138# endif
1139# ifndef ENOTSOCK
1140# ifdef I_NET_ERRNO
1141# include <net/errno.h>
1142# endif
1143# endif
1144#endif
1145
fa0a29af 1146/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1147 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1148 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1149#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1150# if defined(__THROW) && defined(__GLIBC__)
1151int sockatmark(int) __THROW;
1152# else
2ef53570 1153int sockatmark(int);
29820b6d 1154# endif
2ef53570
JH
1155#endif
1156
7e827271 1157#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
1158EXTERN_C int fchdir(int);
1159EXTERN_C int flock(int, int);
1160EXTERN_C int fseeko(FILE *, off_t, int);
1161EXTERN_C off_t ftello(FILE *);
1162#endif
1163
7e827271 1164#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1165EXTERN_C char *crypt(const char *, const char *);
7e827271 1166EXTERN_C char **environ;
1ccb7c8d
JH
1167#endif
1168
83a6ff2e 1169#if defined(__cplusplus)
ce3470dc 1170# if defined(BSDish)
b91fbb93 1171EXTERN_C char **environ;
83a6ff2e 1172# elif defined(__CYGWIN__)
667e2948
SP
1173EXTERN_C char *crypt(const char *, const char *);
1174#endif
83a6ff2e 1175#endif
667e2948 1176
1e743fda
JH
1177#ifdef SETERRNO
1178# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1179#endif
f86702cc
PP
1180
1181#ifdef VMS
1182# define SETERRNO(errcode,vmserrcode) \
1183 STMT_START { \
1184 set_errno(errcode); \
1185 set_vaxc_errno(vmserrcode); \
1186 } STMT_END
4ee39169
CS
1187# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1188# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1189# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1190# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1191
93189314
JH
1192# define LIB_INVARG LIB$_INVARG
1193# define RMS_DIR RMS$_DIR
1194# define RMS_FAC RMS$_FAC
1195# define RMS_FEX RMS$_FEX
1196# define RMS_FNF RMS$_FNF
1197# define RMS_IFI RMS$_IFI
1198# define RMS_ISI RMS$_ISI
1199# define RMS_PRV RMS$_PRV
1200# define SS_ACCVIO SS$_ACCVIO
1201# define SS_DEVOFFLINE SS$_DEVOFFLINE
1202# define SS_IVCHAN SS$_IVCHAN
1203# define SS_NORMAL SS$_NORMAL
8a9f18be 1204# define SS_NOPRIV SS$_NOPRIV
748a9306 1205#else
93189314
JH
1206# define LIB_INVARG 0
1207# define RMS_DIR 0
1208# define RMS_FAC 0
1209# define RMS_FEX 0
1210# define RMS_FNF 0
1211# define RMS_IFI 0
1212# define RMS_ISI 0
1213# define RMS_PRV 0
1214# define SS_ACCVIO 0
1215# define SS_DEVOFFLINE 0
1216# define SS_IVCHAN 0
1217# define SS_NORMAL 0
8a9f18be 1218# define SS_NOPRIV 0
748a9306 1219#endif
ed6116ce 1220
6ca940a9
TC
1221#ifdef WIN32
1222# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1223# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1224# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1225# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1226#endif
1227
1228#ifdef OS2
1229# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1230# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1231# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1232# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1233#endif
1234
1235#ifndef SETERRNO
1236# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1237#endif
1238
1239#ifndef dSAVEDERRNO
1240# define dSAVEDERRNO int saved_errno
1241# define dSAVE_ERRNO int saved_errno = errno
1242# define SAVE_ERRNO (saved_errno = errno)
1243# define RESTORE_ERRNO (errno = saved_errno)
1244#endif
1245
f5fa9033 1246#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1247
1248#define CLEAR_ERRSV() STMT_START { \
1249 if (!GvSV(PL_errgv)) { \
1250 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1251 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1252 SvREFCNT_dec(GvSV(PL_errgv)); \
1253 GvSV(PL_errgv) = newSVpvs(""); \
1254 } else { \
1255 SV *const errsv = GvSV(PL_errgv); \
1256 sv_setpvs(errsv, ""); \
1257 if (SvMAGICAL(errsv)) { \
1258 mg_free(errsv); \
1259 } \
1260 SvPOK_only(errsv); \
1261 } \
1262 } STMT_END
1263
1264
414bf5ae
MHM
1265#ifdef PERL_CORE
1266# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1267# define DEFSV_set(sv) \
1268 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1269# define SAVE_DEFSV \
1270 ( \
1271 save_gp(PL_defgv, 0), \
1272 GvINTRO_off(PL_defgv), \
1273 SAVEGENERICSV(GvSV(PL_defgv)), \
1274 GvSV(PL_defgv) = NULL \
1275 )
414bf5ae
MHM
1276#else
1277# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1278# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1279# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1280#endif
38a03e6e 1281
55497cff 1282#ifndef errno
5ff3f7a4
GS
1283 extern int errno; /* ANSI allows errno to be an lvalue expr.
1284 * For example in multithreaded environments
1285 * something like this might happen:
1286 * extern int *_errno(void);
1287 * #define errno (*_errno()) */
d9d8d8de 1288#endif
663a0e37 1289
7e996671
KW
1290#define UNKNOWN_ERRNO_MSG "(unknown)"
1291
2304df62 1292#ifdef HAS_STRERROR
b3e384bf 1293# ifndef DONT_DECLARE_STD
a0d0e21e 1294# ifdef VMS
20ce7b12 1295 char *strerror (int,...);
a0d0e21e 1296# else
20ce7b12 1297 char *strerror (int);
a0d0e21e 1298# endif
b3e384bf
KW
1299# endif
1300# ifndef Strerror
1301# define Strerror strerror
1302# endif
2304df62
AD
1303#else
1304# ifdef HAS_SYS_ERRLIST
79072805
LW
1305 extern int sys_nerr;
1306 extern char *sys_errlist[];
2304df62
AD
1307# ifndef Strerror
1308# define Strerror(e) \
7e996671 1309 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1310# endif
79072805 1311# endif
35c8bce7 1312#endif
663a0e37 1313
2304df62 1314#ifdef I_SYS_IOCTL
79072805
LW
1315# ifndef _IOCTL_
1316# include <sys/ioctl.h>
1317# endif
a687059c
LW
1318#endif
1319
ee0007ab 1320#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1321# ifdef HAS_SOCKETPAIR
1322# undef HAS_SOCKETPAIR
1323# endif
2304df62
AD
1324# ifdef I_NDBM
1325# undef I_NDBM
79072805 1326# endif
a687059c
LW
1327#endif
1328
02fc2eee
NC
1329#ifndef HAS_SOCKETPAIR
1330# ifdef HAS_SOCKET
1331# define socketpair Perl_my_socketpair
1332# endif
1333#endif
1334
a687059c 1335#if INTSIZE == 2
79072805
LW
1336# define htoni htons
1337# define ntohi ntohs
a687059c 1338#else
79072805
LW
1339# define htoni htonl
1340# define ntohi ntohl
a687059c
LW
1341#endif
1342
a0d0e21e 1343/* Configure already sets Direntry_t */
35c8bce7 1344#if defined(I_DIRENT)
663a0e37 1345# include <dirent.h>
ae986130 1346#else
fe14fcc3 1347# ifdef I_SYS_NDIR
79a0689e 1348# include <sys/ndir.h>
663a0e37 1349# else
fe14fcc3 1350# ifdef I_SYS_DIR
79a0689e
LW
1351# ifdef hp9000s500
1352# include <ndir.h> /* may be wrong in the future */
1353# else
1354# include <sys/dir.h>
1355# endif
663a0e37
LW
1356# endif
1357# endif
4633a7c4 1358#endif
a687059c 1359
c623bd54
LW
1360/*
1361 * The following gobbledygook brought to you on behalf of __STDC__.
1362 * (I could just use #ifndef __STDC__, but this is more bulletproof
1363 * in the face of half-implementations.)
1364 */
1365
21e89b5f 1366#if defined(I_SYSMODE)
ca6e1c26
JH
1367#include <sys/mode.h>
1368#endif
1369
c623bd54
LW
1370#ifndef S_IFMT
1371# ifdef _S_IFMT
1372# define S_IFMT _S_IFMT
1373# else
1374# define S_IFMT 0170000
1375# endif
1376#endif
1377
1378#ifndef S_ISDIR
1379# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1380#endif
1381
1382#ifndef S_ISCHR
1383# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1384#endif
1385
1386#ifndef S_ISBLK
fe14fcc3
LW
1387# ifdef S_IFBLK
1388# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1389# else
1390# define S_ISBLK(m) (0)
1391# endif
c623bd54
LW
1392#endif
1393
1394#ifndef S_ISREG
1395# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1396#endif
1397
1398#ifndef S_ISFIFO
fe14fcc3
LW
1399# ifdef S_IFIFO
1400# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1401# else
1402# define S_ISFIFO(m) (0)
1403# endif
c623bd54
LW
1404#endif
1405
1406#ifndef S_ISLNK
1407# ifdef _S_ISLNK
1408# define S_ISLNK(m) _S_ISLNK(m)
1409# else
1410# ifdef _S_IFLNK
1411# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1412# else
1413# ifdef S_IFLNK
1414# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1415# else
1416# define S_ISLNK(m) (0)
1417# endif
1418# endif
1419# endif
1420#endif
1421
1422#ifndef S_ISSOCK
1423# ifdef _S_ISSOCK
1424# define S_ISSOCK(m) _S_ISSOCK(m)
1425# else
1426# ifdef _S_IFSOCK
1427# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1428# else
1429# ifdef S_IFSOCK
1430# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1431# else
1432# define S_ISSOCK(m) (0)
1433# endif
1434# endif
1435# endif
1436#endif
1437
1438#ifndef S_IRUSR
1439# ifdef S_IREAD
1440# define S_IRUSR S_IREAD
1441# define S_IWUSR S_IWRITE
1442# define S_IXUSR S_IEXEC
1443# else
1444# define S_IRUSR 0400
1445# define S_IWUSR 0200
1446# define S_IXUSR 0100
1447# endif
fac7cdfc 1448#endif
1449
1450#ifndef S_IRGRP
1451# ifdef S_IRUSR
1452# define S_IRGRP (S_IRUSR>>3)
1453# define S_IWGRP (S_IWUSR>>3)
1454# define S_IXGRP (S_IXUSR>>3)
1455# else
1456# define S_IRGRP 0040
1457# define S_IWGRP 0020
1458# define S_IXGRP 0010
1459# endif
1460#endif
1461
1462#ifndef S_IROTH
1463# ifdef S_IRUSR
1464# define S_IROTH (S_IRUSR>>6)
1465# define S_IWOTH (S_IWUSR>>6)
1466# define S_IXOTH (S_IXUSR>>6)
1467# else
1468# define S_IROTH 0040
1469# define S_IWOTH 0020
1470# define S_IXOTH 0010
1471# endif
c623bd54
LW
1472#endif
1473
1474#ifndef S_ISUID
1475# define S_ISUID 04000
1476#endif
1477
1478#ifndef S_ISGID
1479# define S_ISGID 02000
1480#endif
1481
ca6e1c26
JH
1482#ifndef S_IRWXU
1483# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1484#endif
ca6e1c26
JH
1485
1486#ifndef S_IRWXG
1487# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1488#endif
ca6e1c26
JH
1489
1490#ifndef S_IRWXO
1491# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1492#endif
ca6e1c26 1493
b6c36746 1494/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1495 * which would get included through <sys/file.h >, but that is 3000
1496 * lines in the future. --jhi */
1497
b6c36746 1498#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1499# define S_IREAD S_IRUSR
1500#endif
1501
b6c36746 1502#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1503# define S_IWRITE S_IWUSR
1504#endif
1505
1506#ifndef S_IEXEC
1507# define S_IEXEC S_IXUSR
1508#endif
1509
a0d0e21e 1510#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1511# define SLOPPYDIVIDE
1512#endif
1513
748a9306
LW
1514#ifdef UV
1515#undef UV
1516#endif
1517
ce582cee
NC
1518/* For the times when you want the return value of sprintf, and you want it
1519 to be the length. Can't have a thread variable passed in, because C89 has
1520 no varargs macros.
1521*/
1522#ifdef SPRINTF_RETURNS_STRLEN
1523# define my_sprintf sprintf
1524#else
1525# define my_sprintf Perl_my_sprintf
1526#endif
1527
5b692037
JH
1528/*
1529 * If we have v?snprintf() and the C99 variadic macros, we can just
1530 * use just the v?snprintf(). It is nice to try to trap the buffer
1531 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1532 * gcc statement expressions, then use the function wrappers which try
1533 * to trap the overflow. If we can use the gcc statement expressions,
1534 * we can try that even with the version that uses the C99 variadic
1535 * macros.
5b692037
JH
1536 */
1537
1208b3dd
JH
1538/* Note that we do not check against snprintf()/vsnprintf() returning
1539 * negative values because that is non-standard behaviour and we use
1540 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1541 * that should be true only if the snprintf()/vsnprintf() are true
1542 * to the standard. */
1543
e8549682
JH
1544#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
1545
dfeee9b1 1546#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1547# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1548# define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1208b3dd 1549# define PERL_MY_SNPRINTF_GUARDED
5b692037 1550# else
e8549682 1551# define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
5b692037
JH
1552# endif
1553#else
1554# define my_snprintf Perl_my_snprintf
1208b3dd 1555# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1556#endif
1557
dfeee9b1 1558#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1559# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1560# define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1208b3dd 1561# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1562# else
e8549682 1563# define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
5b692037
JH
1564# endif
1565#else
1566# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1567# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1568#endif
d9fad198 1569
e8549682
JH
1570/* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1571 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1572 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1573 * completely ignore it: otherwise you cannot know whether your output
1574 * was too long.)
1575 *
1576 * int len = my_sprintf(buf, max, ...);
1577 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1578 *
1579 * The trick is that in certain platforms [a] the my_sprintf() already
1580 * contains the sanity check, while in certain platforms [b] it needs
1581 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1582 * platforms the POST_GUARD actually does nothing since the check has
1583 * already been done. Watch out for the max being the same in both calls.
1584 *
1585 * If you actually use the snprintf/vsnprintf return value already,
1586 * you assumedly are checking its validity somehow. But you can
1587 * insert the POST_GUARD() also in that case. */
1588
1589#ifndef PERL_MY_SNPRINTF_GUARDED
1590# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1591#else
1592# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1593#endif
1594
1595#ifndef PERL_MY_VSNPRINTF_GUARDED
1596# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1597#else
1598# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1599#endif
1600
a6cc4119
SP
1601#ifdef HAS_STRLCAT
1602# define my_strlcat strlcat
1603#else
1604# define my_strlcat Perl_my_strlcat
1605#endif
1606
1607#ifdef HAS_STRLCPY
1608# define my_strlcpy strlcpy
1609#else
1610# define my_strlcpy Perl_my_strlcpy
1611#endif
1612
05f13f53 1613/*
27d4fb96
PP
1614 The IV type is supposed to be long enough to hold any integral
1615 value or a pointer.
1616 --Andy Dougherty August 1996
1617*/
1618
a22e52b9
JH
1619typedef IVTYPE IV;
1620typedef UVTYPE UV;
8175356b 1621
10cc9d2a 1622#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1623# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1624# define IV_MAX INT64_MAX
1625# define IV_MIN INT64_MIN
1626# define UV_MAX UINT64_MAX
cae7ae48
JH
1627# ifndef UINT64_MIN
1628# define UINT64_MIN 0
1629# endif
5ff3f7a4
GS
1630# define UV_MIN UINT64_MIN
1631# else
1632# define IV_MAX PERL_QUAD_MAX
1633# define IV_MIN PERL_QUAD_MIN
1634# define UV_MAX PERL_UQUAD_MAX
1635# define UV_MIN PERL_UQUAD_MIN
1636# endif
cf2093f6
JH
1637# define IV_IS_QUAD
1638# define UV_IS_QUAD
79072805 1639#else
8175356b 1640# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1641# define IV_MAX INT32_MAX
1642# define IV_MIN INT32_MIN
716026f9
DL
1643# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1644# define UV_MAX UINT32_MAX
1645# else
1646# define UV_MAX 4294967295U
1647# endif
cae7ae48
JH
1648# ifndef UINT32_MIN
1649# define UINT32_MIN 0
1650# endif
5ff3f7a4
GS
1651# define UV_MIN UINT32_MIN
1652# else
1653# define IV_MAX PERL_LONG_MAX
1654# define IV_MIN PERL_LONG_MIN
1655# define UV_MAX PERL_ULONG_MAX
1656# define UV_MIN PERL_ULONG_MIN
1657# endif
8175356b 1658# if IVSIZE == 8
cf2093f6
JH
1659# define IV_IS_QUAD
1660# define UV_IS_QUAD
de1c2614
JH
1661# ifndef HAS_QUAD
1662# define HAS_QUAD
1663# endif
cf2093f6
JH
1664# else
1665# undef IV_IS_QUAD
1666# undef UV_IS_QUAD
9ea40801 1667#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1668/* We think that removing this decade-old undef this will cause too much
1669 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1670 However, we do need HAS_QUAD in the core for use by the drand48 code,
1671 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1672# undef HAS_QUAD
e25d460c 1673#endif
cf2093f6 1674# endif
79072805 1675#endif
d7d93a81 1676
9a543cee
FC
1677#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1678
cae7ae48 1679#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1680#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1681
28e5dec8 1682#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1683#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1684#endif
1685
d460ef45 1686/*
26bb67e2
JH
1687 * The macros INT2PTR and NUM2PTR are (despite their names)
1688 * bi-directional: they will convert int/float to or from pointers.
1689 * However the conversion to int/float are named explicitly:
1690 * PTR2IV, PTR2UV, PTR2NV.
1691 *
1692 * For int conversions we do not need two casts if pointers are
1693 * the same size as IV and UV. Otherwise we need an explicit
1694 * cast (PTRV) to avoid compiler warnings.
1695 */
56431972
RB
1696#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1697# define PTRV UV
1698# define INT2PTR(any,d) (any)(d)
1699#else
d460ef45 1700# if PTRSIZE == LONGSIZE
56431972 1701# define PTRV unsigned long
e91e3b10 1702# define PTR2ul(p) (unsigned long)(p)
42718184 1703# else
56431972 1704# define PTRV unsigned
42718184 1705# endif
e91e3b10
RB
1706#endif
1707
1708#ifndef INT2PTR
56431972 1709# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1710#endif
e91e3b10
RB
1711
1712#ifndef PTR2ul
1713# define PTR2ul(p) INT2PTR(unsigned long,p)
1714#endif
1715
56431972
RB
1716#define NUM2PTR(any,d) (any)(PTRV)(d)
1717#define PTR2IV(p) INT2PTR(IV,p)
1718#define PTR2UV(p) INT2PTR(UV,p)
1719#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1720#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1721
8141890a
JH
1722/* According to strict ANSI C89 one cannot freely cast between
1723 * data pointers and function (code) pointers. There are at least
1724 * two ways around this. One (used below) is to do two casts,
1725 * first the other pointer to an (unsigned) integer, and then
1726 * the integer to the other pointer. The other way would be
1727 * to use unions to "overlay" the pointers. For an example of
1728 * the latter technique, see union dirpu in struct xpvio in sv.h.
1729 * The only feasible use is probably temporarily storing
1730 * function pointers in a data pointer (such as a void pointer). */
1731
e91e3b10
RB
1732#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1733#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1734
65202027 1735#ifdef USE_LONG_DOUBLE
1048ea30
JH
1736# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1737# define LONG_DOUBLE_EQUALS_DOUBLE
1738# endif
68d4903c 1739# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1740# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1741# endif
1742#endif
1743
2d4389e4
JH
1744#ifdef OVR_DBL_DIG
1745/* Use an overridden DBL_DIG */
1746# ifdef DBL_DIG
1747# undef DBL_DIG
1748# endif
1749# define DBL_DIG OVR_DBL_DIG
1750#else
1751/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1752 default value for printing floating point numbers in Gconvert
1753 (see config.h). (It also has other uses, such as figuring out if
1754 a given precision of printing can be done with a double instead of
1755 a long double - Allen).
2d4389e4
JH
1756*/
1757#ifdef I_LIMITS
1758#include <limits.h>
1759#endif
1760#ifdef I_FLOAT
1761#include <float.h>
1762#endif
1763#ifndef HAS_DBL_DIG
1764#define DBL_DIG 15 /* A guess that works lots of places */
1765#endif
1766#endif
1767
1768#ifdef OVR_LDBL_DIG
1769/* Use an overridden LDBL_DIG */
1770# ifdef LDBL_DIG
1771# undef LDBL_DIG
1772# endif
1773# define LDBL_DIG OVR_LDBL_DIG
1774#else
1775/* The following is all to get LDBL_DIG, in order to pick a nice
1776 default value for printing floating point numbers in Gconvert.
1777 (see config.h)
1778*/
68d4903c
JH
1779# ifdef I_LIMITS
1780# include <limits.h>
1781# endif
1782# ifdef I_FLOAT
1783# include <float.h>
1784# endif
1785# ifndef HAS_LDBL_DIG
1786# if LONG_DOUBLESIZE == 10
1787# define LDBL_DIG 18 /* assume IEEE */
1788# else
1789# if LONG_DOUBLESIZE == 12
1790# define LDBL_DIG 18 /* gcc? */
1791# else
1792# if LONG_DOUBLESIZE == 16
1793# define LDBL_DIG 33 /* assume IEEE */
1794# else
1795# if LONG_DOUBLESIZE == DOUBLESIZE
1796# define LDBL_DIG DBL_DIG /* bummer */
1797# endif
1798# endif
1799# endif
1800# endif
1801# endif
2d4389e4
JH
1802#endif
1803
20f6aaab
AS
1804/*
1805 * This is for making sure we have a good DBL_MAX value, if possible,
1806 * either for usage as NV_MAX or for usage in figuring out if we can
1807 * fit a given long double into a double, if bug-fixing makes it
1808 * necessary to do so. - Allen <allens@cpan.org>
1809 */
1810
205f51d8
AS
1811#ifdef I_LIMITS
1812# include <limits.h>
20f6aaab
AS
1813#endif
1814
205f51d8
AS
1815#ifdef I_VALUES
1816# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1817# include <values.h>
1818# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1819# define DBL_MAX MAXDOUBLE
1820# endif
1821# if defined(MINDOUBLE) && !defined(DBL_MIN)
1822# define DBL_MIN MINDOUBLE
1823# endif
1824# endif
1825#endif /* defined(I_VALUES) */
1826
a22e52b9 1827typedef NVTYPE NV;
8175356b 1828
792d8dab
JH
1829#ifdef I_IEEEFP
1830# include <ieeefp.h>
1831#endif
923fc586 1832
65202027 1833#ifdef USE_LONG_DOUBLE
923fc586
JH
1834# ifdef I_SUNMATH
1835# include <sunmath.h>
1836# endif
2d4389e4 1837# define NV_DIG LDBL_DIG
d6c14000
JH
1838# ifdef LDBL_MANT_DIG
1839# define NV_MANT_DIG LDBL_MANT_DIG
1840# endif
06fc1729
JH
1841# ifdef LDBL_MIN
1842# define NV_MIN LDBL_MIN
1843# endif
1844# ifdef LDBL_MAX
1845# define NV_MAX LDBL_MAX
1846# endif
1847# ifdef LDBL_MIN_10_EXP
1848# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1849# endif
1850# ifdef LDBL_MAX_10_EXP
1851# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1852# endif
1853# ifdef LDBL_EPSILON
1854# define NV_EPSILON LDBL_EPSILON
1855# endif
f4a14a62
JH
1856# ifdef LDBL_MAX
1857# define NV_MAX LDBL_MAX
20f6aaab 1858/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1859# else
1860# ifdef HUGE_VALL
1861# define NV_MAX HUGE_VALL
1862# else
1863# ifdef HUGE_VAL
1864# define NV_MAX ((NV)HUGE_VAL)
1865# endif
1866# endif
1867# endif
68d4903c 1868# ifdef HAS_SQRTL
68d4903c
JH
1869# define Perl_cos cosl
1870# define Perl_sin sinl
1871# define Perl_sqrt sqrtl
1872# define Perl_exp expl
1873# define Perl_log logl
1874# define Perl_atan2 atan2l
1875# define Perl_pow powl
1876# define Perl_floor floorl
1bbae031 1877# define Perl_ceil ceill
68d4903c
JH
1878# define Perl_fmod fmodl
1879# endif
a3540c92
JH
1880/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1881# ifdef HAS_MODFL
1882# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1883/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1884 prototype in <math.h> */
1885# ifndef HAS_MODFL_PROTO
a221a8a5 1886EXTERN_C long double modfl(long double, long double *);
51997bc3 1887# endif
03476e8e
JH
1888# else
1889# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1890 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1891# define Perl_modf(x,y) Perl_my_modfl(x,y)
1892# endif
a3540c92
JH
1893# endif
1894# ifdef HAS_FREXPL
dff3e0b8 1895# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1896# else
1897# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1898 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1899# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1900# endif
a3540c92 1901# endif
38dbb4c5 1902# ifndef Perl_isnan
758a5d79
JH
1903# ifdef HAS_ISNANL
1904# define Perl_isnan(x) isnanl(x)
1905# endif
1906# endif
1907# ifndef Perl_isinf
1908# ifdef HAS_FINITEL
1909# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1910# endif
1911# endif
65202027 1912#else
2d4389e4 1913# define NV_DIG DBL_DIG
d6c14000
JH
1914# ifdef DBL_MANT_DIG
1915# define NV_MANT_DIG DBL_MANT_DIG
1916# endif
06fc1729
JH
1917# ifdef DBL_MIN
1918# define NV_MIN DBL_MIN
1919# endif
1920# ifdef DBL_MAX
1921# define NV_MAX DBL_MAX
1922# endif
1923# ifdef DBL_MIN_10_EXP
1924# define NV_MIN_10_EXP DBL_MIN_10_EXP
1925# endif
1926# ifdef DBL_MAX_10_EXP
1927# define NV_MAX_10_EXP DBL_MAX_10_EXP
1928# endif
1929# ifdef DBL_EPSILON
1930# define NV_EPSILON DBL_EPSILON
1931# endif
205f51d8 1932# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1933# define NV_MAX DBL_MAX
1934# define NV_MIN DBL_MIN
1935# else
1936# ifdef HUGE_VAL
1937# define NV_MAX HUGE_VAL
1938# endif
1939# endif
65202027
DS
1940# define Perl_cos cos
1941# define Perl_sin sin
1942# define Perl_sqrt sqrt
1943# define Perl_exp exp
1944# define Perl_log log
1945# define Perl_atan2 atan2
1946# define Perl_pow pow
1947# define Perl_floor floor
1bbae031 1948# define Perl_ceil ceil
65202027 1949# define Perl_fmod fmod
a3540c92 1950# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1951# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1952#endif
1953
1954/* rumor has it that Win32 has _fpclass() */
1955
205f51d8
AS
1956/* SGI has fpclassl... but not with the same result values,
1957 * and it's via a typedef (not via #define), so will need to redo Configure
1958 * to use. Not worth the trouble, IMO, at least until the below is used
1959 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1960 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1961 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1962
758a5d79
JH
1963#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1964# ifdef I_IEEFP
1965# include <ieeefp.h>
1966# endif
1967# ifdef I_FP
1968# include <fp.h>
1969# endif
1970# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1971# define Perl_fp_class() fpclassl(x)
1972# else
1973# define Perl_fp_class() fpclass(x)
1974# endif
1975# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1976# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1977# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1978# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1979# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1980# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1981# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1982# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1983# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1984# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1985# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1986# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1987# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1988# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1989# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1990#endif
1991
21e89b5f 1992#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1993# include <math.h>
1994# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1995# include <fp_class.h>
1996# endif
1997# define Perl_fp_class(x) fp_class(x)
1998# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1999# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2000# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2001# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2002# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2003# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2004# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2005# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2006# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2007# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2008# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2009# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2010# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2011# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2012# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2013#endif
2014
2015#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2016# include <math.h>
2017# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2018# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
2019# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2020# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2021# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2022# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2023#endif
2024
2025#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2026# include <math.h>
2027# ifndef _cplusplus
2028# define Perl_fp_class(x) class(x)
2029# else
2030# define Perl_fp_class(x) _class(x)
2031# endif
2032# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2033# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2034# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2035# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2036# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2037# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2038# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2039# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2040# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2041# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2042# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2043# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2044# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2045# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2046# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2047#endif
2048
2049/* rumor has it that Win32 has _isnan() */
2050
2051#ifndef Perl_isnan
a3540c92 2052# ifdef HAS_ISNAN
758a5d79
JH
2053# define Perl_isnan(x) isnan((NV)x)
2054# else
2055# ifdef Perl_fp_class_nan
2056# define Perl_isnan(x) Perl_fp_class_nan(x)
2057# else
2058# ifdef HAS_UNORDERED
2059# define Perl_isnan(x) unordered((x), 0.0)
2060# else
2061# define Perl_isnan(x) ((x)!=(x))
2062# endif
2063# endif
2064# endif
2065#endif
2066
ca6c63e1
JH
2067#ifdef UNDER_CE
2068int isnan(double d);
2069#endif
2070
758a5d79
JH
2071#ifndef Perl_isinf
2072# ifdef HAS_ISINF
2073# define Perl_isinf(x) isinf((NV)x)
a3540c92 2074# else
758a5d79
JH
2075# ifdef Perl_fp_class_inf
2076# define Perl_isinf(x) Perl_fp_class_inf(x)
2077# else
2078# define Perl_isinf(x) ((x)==NV_INF)
2079# endif
2080# endif
2081#endif
2082
2083#ifndef Perl_isfinite
2084# ifdef HAS_FINITE
2085# define Perl_isfinite(x) finite((NV)x)
2086# else
2087# ifdef HAS_ISFINITE
2088# define Perl_isfinite(x) isfinite(x)
2089# else
2090# ifdef Perl_fp_class_finite
2091# define Perl_isfinite(x) Perl_fp_class_finite(x)
2092# else
2093# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2094# endif
2095# endif
a3540c92 2096# endif
65202027
DS
2097#endif
2098
a36244b7
JH
2099/* The default is to use Perl's own atof() implementation (in numeric.c).
2100 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2101 * it is however best to use the native implementation of atof.
2102 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2103 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2104 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2105 * you may need to be using a different function than atof! */
a36244b7
JH
2106
2107#ifndef USE_PERL_ATOF
2108# ifndef _UNICOS
2109# define USE_PERL_ATOF
2110# endif
2111#else
2112# if USE_PERL_ATOF == 0
2113# undef USE_PERL_ATOF
2114# endif
2115#endif
2116
2117#ifdef USE_PERL_ATOF
2118# define Perl_atof(s) Perl_my_atof(s)
2119# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2120#else
2121# define Perl_atof(s) (NV)atof(s)
2122# define Perl_atof2(s, n) ((n) = atof(s))
2123#endif
cf2093f6 2124
d460ef45 2125/* Previously these definitions used hardcoded figures.
760ac839
LW
2126 * It is hoped these formula are more portable, although
2127 * no data one way or another is presently known to me.
2128 * The "PERL_" names are used because these calculated constants
2129 * do not meet the ANSI requirements for LONG_MAX, etc., which
2130 * need to be constants acceptable to #if - kja
2131 * define PERL_LONG_MAX 2147483647L
2132 * define PERL_LONG_MIN (-LONG_MAX - 1)
2133 * define PERL ULONG_MAX 4294967295L
2134 */
2135
2136#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2137# include <limits.h>
760ac839 2138#endif
205f51d8 2139/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2140 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2141
99abf803
PP
2142/*
2143 * Try to figure out max and min values for the integral types. THE CORRECT
2144 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2145 * following hacks are used if neither limits.h or values.h provide them:
2146 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2147 * for types < int: (unsigned TYPE)~(unsigned)0
2148 * The argument to ~ must be unsigned so that later signed->unsigned
2149 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2150 * and it must not be smaller than int because ~ does integral promotion.
2151 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2152 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2153 * The latter is a hack which happens to work on some machines but
2154 * does *not* catch any random system, or things like integer types
2155 * with NaN if that is possible.
2156 *
2157 * All of the types are explicitly cast to prevent accidental loss of
2158 * numeric range, and in the hope that they will be less likely to confuse
2159 * over-eager optimizers.
2160 *
2161 */
27d4fb96 2162
99abf803
PP
2163#define PERL_UCHAR_MIN ((unsigned char)0)
2164
2165#ifdef UCHAR_MAX
2166# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2167#else
99abf803
PP
2168# ifdef MAXUCHAR
2169# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2170# else
99abf803 2171# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2172# endif
2173#endif
d460ef45 2174
99abf803
PP
2175/*
2176 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2177 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2178 * depending on local options. Until Configure detects this (or at least
2179 * detects whether the "signed" keyword is available) the CHAR ranges
2180 * will not be included. UCHAR functions normally.
2181 * - kja
2182 */
27d4fb96 2183
99abf803
PP
2184#define PERL_USHORT_MIN ((unsigned short)0)
2185
2186#ifdef USHORT_MAX
2187# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2188#else
99abf803
PP
2189# ifdef MAXUSHORT
2190# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2191# else
ef2f54b0
CB
2192# ifdef USHRT_MAX
2193# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2194# else
2195# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2196# endif
27d4fb96
PP
2197# endif
2198#endif
2199
27d4fb96 2200#ifdef SHORT_MAX
99abf803 2201# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2202#else
2203# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2204# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2205# else
ef2f54b0
CB
2206# ifdef SHRT_MAX
2207# define PERL_SHORT_MAX ((short)SHRT_MAX)
2208# else
2209# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2210# endif
27d4fb96
PP
2211# endif
2212#endif
2213
2214#ifdef SHORT_MIN
99abf803 2215# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2216#else
2217# ifdef MINSHORT
99abf803 2218# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2219# else
ef2f54b0
CB
2220# ifdef SHRT_MIN
2221# define PERL_SHORT_MIN ((short)SHRT_MIN)
2222# else
2223# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2224# endif
27d4fb96
PP
2225# endif
2226#endif
2227
99abf803
PP
2228#ifdef UINT_MAX
2229# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2230#else
99abf803
PP
2231# ifdef MAXUINT
2232# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2233# else
99abf803 2234# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2235# endif
2236#endif
2237
99abf803 2238#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2239
2240#ifdef INT_MAX
99abf803 2241# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2242#else
2243# ifdef MAXINT /* Often used in <values.h> */
99abf803 2244# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2245# else
99abf803 2246# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2247# endif
2248#endif
2249
2250#ifdef INT_MIN
99abf803 2251# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2252#else
2253# ifdef MININT
99abf803 2254# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2255# else
2256# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2257# endif
2258#endif
2259
99abf803
PP
2260#ifdef ULONG_MAX
2261# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2262#else
99abf803
PP
2263# ifdef MAXULONG
2264# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2265# else
99abf803 2266# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2267# endif
2268#endif
2269
99abf803 2270#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2271
760ac839 2272#ifdef LONG_MAX
99abf803 2273# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2274#else
2275# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2276# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2277# else
99abf803 2278# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2279# endif
2280#endif
2281
2282#ifdef LONG_MIN
99abf803 2283# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2284#else
2285# ifdef MINLONG
99abf803 2286# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2287# else
27d4fb96 2288# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2289# endif
2290#endif
2291
d7d93a81 2292#ifdef UV_IS_QUAD
99abf803 2293
99abf803 2294# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2295# define PERL_UQUAD_MIN ((UV)0)
99abf803 2296# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2297# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2298
79072805
LW
2299#endif
2300
ee0007ab 2301typedef MEM_SIZE STRLEN;
450a55e4 2302
79072805
LW
2303typedef struct op OP;
2304typedef struct cop COP;
2305typedef struct unop UNOP;
2306typedef struct binop BINOP;
2307typedef struct listop LISTOP;
2308typedef struct logop LOGOP;
79072805
LW
2309typedef struct pmop PMOP;
2310typedef struct svop SVOP;
7934575e 2311typedef struct padop PADOP;
79072805 2312typedef struct pvop PVOP;
79072805
LW
2313typedef struct loop LOOP;
2314
7aef8e5b 2315#ifdef PERL_CORE
8be227ab
FC
2316typedef struct opslab OPSLAB;
2317typedef struct opslot OPSLOT;
2318#endif
2319
52db365a 2320typedef struct block_hooks BHK;
1830b3d9 2321typedef struct custom_op XOP;
52db365a 2322
cd1541b2
NC
2323typedef struct interpreter PerlInterpreter;
2324
d2b3f365 2325/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2326#if defined(__sgi)
d2b3f365 2327# define STRUCT_SV perl_sv
b8d3c5db
JH
2328#else
2329# define STRUCT_SV sv
2330#endif
2331typedef struct STRUCT_SV SV;
79072805
LW
2332typedef struct av AV;
2333typedef struct hv HV;
2334typedef struct cv CV;
d2f13c59 2335typedef struct p5rx REGEXP;
79072805 2336typedef struct gp GP;
0c30d9ec 2337typedef struct gv GV;
8990e307 2338typedef struct io IO;
c09156bb 2339typedef struct context PERL_CONTEXT;
79072805
LW
2340typedef struct block BLOCK;
2341
2342typedef struct magic MAGIC;
2343typedef struct xpv XPV;
2344typedef struct xpviv XPVIV;
ff68c719 2345typedef struct xpvuv XPVUV;
79072805
LW
2346typedef struct xpvnv XPVNV;
2347typedef struct xpvmg XPVMG;
2348typedef struct xpvlv XPVLV;
d361b004 2349typedef struct xpvinvlist XINVLIST;
79072805
LW
2350typedef struct xpvav XPVAV;
2351typedef struct xpvhv XPVHV;
2352typedef struct xpvgv XPVGV;
2353typedef struct xpvcv XPVCV;
2354typedef struct xpvbm XPVBM;
2355typedef struct xpvfm XPVFM;
8990e307 2356typedef struct xpvio XPVIO;
79072805
LW
2357typedef struct mgvtbl MGVTBL;
2358typedef union any ANY;
5f7fde29
GS
2359typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2360typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2361typedef struct clone_params CLONE_PARAMS;
2362
35e035cc 2363/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2364 * so hide the type. */
2365typedef struct padlist PADLIST;
67634234 2366typedef AV PAD;
35e035cc
FC
2367typedef AV PADNAMELIST;
2368typedef SV PADNAME;
67634234 2369
13b0f67d
DM
2370/* enable PERL_NEW_COPY_ON_WRITE by default */
2371#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2372# define PERL_NEW_COPY_ON_WRITE
2373#endif
07d01d6e 2374
db2c6cb3
FC
2375#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2376# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2377# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2378# else
2379# define PERL_ANY_COW
2380# endif
9f351b45
DM
2381#else
2382# define PERL_SAWAMPERSAND
db2c6cb3
FC
2383#endif
2384
378cc40b 2385#include "handy.h"
a0d0e21e 2386
6b8eaf93 2387#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2388# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2389# define USE_64_BIT_RAWIO /* implicit */
2390# endif
4564133c
JH
2391#endif
2392
6b8eaf93
JH
2393/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2394 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2395 * however, because operating systems like to do that themself. */
2396#ifndef FSEEKSIZE
2397# ifdef HAS_FSEEKO
2398# define FSEEKSIZE LSEEKSIZE
2399# else
2400# define FSEEKSIZE LONGSIZE
d460ef45 2401# endif
6b8eaf93
JH
2402#endif
2403
2404#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2405# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2406# define USE_64_BIT_STDIO /* implicit */
2407# endif
2408#endif
4564133c 2409
09458382 2410#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2411# ifdef HAS_OFF64_T
2412# undef Off_t
2413# define Off_t off64_t
2414# undef LSEEKSIZE
2415# define LSEEKSIZE 8
5ff3f7a4 2416# endif
d9b3e12d
JH
2417/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2418 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2419 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2420# if defined(USE_OPEN64)
2421# define open open64
5ff3f7a4 2422# endif
d9b3e12d
JH
2423# if defined(USE_LSEEK64)
2424# define lseek lseek64
6b8eaf93
JH
2425# else
2426# if defined(USE_LLSEEK)
2427# define lseek llseek
2428# endif
d9b3e12d
JH
2429# endif
2430# if defined(USE_STAT64)
2431# define stat stat64
2432# endif
2433# if defined(USE_FSTAT64)
2434# define fstat fstat64
2435# endif
2436# if defined(USE_LSTAT64)
2437# define lstat lstat64
2438# endif
2439# if defined(USE_FLOCK64)
2440# define flock flock64
2441# endif
2442# if defined(USE_LOCKF64)
2443# define lockf lockf64
2444# endif
2445# if defined(USE_FCNTL64)
2446# define fcntl fcntl64
2447# endif
2448# if defined(USE_TRUNCATE64)
2449# define truncate truncate64
2450# endif
2451# if defined(USE_FTRUNCATE64)
2452# define ftruncate ftruncate64
2453# endif
2454#endif
2455
2456#ifdef USE_64_BIT_STDIO
2457# ifdef HAS_FPOS64_T
2458# undef Fpos_t
2459# define Fpos_t fpos64_t
2460# endif
2461/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2462 * will trigger defines like the ones below. Some 64-bit environments,
2463 * however, do not. */
2464# if defined(USE_FOPEN64)
2465# define fopen fopen64
2466# endif
2467# if defined(USE_FSEEK64)
6b8eaf93 2468# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2469# endif
2470# if defined(USE_FTELL64)
6b8eaf93 2471# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2472# endif
2473# if defined(USE_FSETPOS64)
2474# define fsetpos fsetpos64
2475# endif
2476# if defined(USE_FGETPOS64)
2477# define fgetpos fgetpos64
2478# endif
2479# if defined(USE_TMPFILE64)
2480# define tmpfile tmpfile64
2481# endif
2482# if defined(USE_FREOPEN64)
2483# define freopen freopen64
5ff3f7a4
GS
2484# endif
2485#endif
2486
e37778c2 2487#if defined(OS2)
2c2d71f5
JH
2488# include "iperlsys.h"
2489#endif
2490
748a9306 2491#ifdef DOSISH
19848b3f
JH
2492# if defined(OS2)
2493# include "os2ish.h"
2494# else
2495# include "dosish.h"
2496# endif
009819bb 2497#elif defined(VMS)
748a9306 2498# include "vmsish.h"
009819bb 2499#elif defined(PLAN9)
19848b3f 2500# include "./plan9/plan9ish.h"
009819bb 2501#elif defined(__VOS__)
196918b0
PG
2502# ifdef __GNUC__
2503# include "./vos/vosish.h"
2504# else
2505# include "vos/vosish.h"
2506# endif
009819bb 2507#elif defined(__SYMBIAN32__)
27da23d5 2508# include "symbian/symbianish.h"
009819bb 2509#elif defined(__HAIKU__)
df00ff3b 2510# include "haiku/haikuish.h"
009819bb 2511#else
19848b3f 2512# include "unixish.h"
13b6e58c
JH
2513#endif
2514
2946a158
JH
2515/* NSIG logic from Configure --> */
2516/* Strange style to avoid deeply-nested #if/#else/#endif */
2517#ifndef NSIG
2518# ifdef _NSIG
2519# define NSIG (_NSIG)
2520# endif
2521#endif
2522
2523#ifndef NSIG
2524# ifdef SIGMAX
2525# define NSIG (SIGMAX+1)
2526# endif
2527#endif
2528
2529#ifndef NSIG
2530# ifdef SIG_MAX
2531# define NSIG (SIG_MAX+1)
2532# endif
2533#endif
2534
2535#ifndef NSIG
2536# ifdef _SIG_MAX
2537# define NSIG (_SIG_MAX+1)
2538# endif
2539#endif
2540
2541#ifndef NSIG
2542# ifdef MAXSIG
2543# define NSIG (MAXSIG+1)
2544# endif
2545#endif
2546
2547#ifndef NSIG
2548# ifdef MAX_SIG
2549# define NSIG (MAX_SIG+1)
2550# endif
2551#endif
2552
2553#ifndef NSIG
2554# ifdef SIGARRAYSIZE
2555# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2556# endif
2557#endif
2558
2559#ifndef NSIG
2560# ifdef _sys_nsig
2561# define NSIG (_sys_nsig) /* Solaris 2.5 */
2562# endif
2563#endif
2564
2565/* Default to some arbitrary number that's big enough to get most
2566 of the common signals.
2567*/
2568#ifndef NSIG
2569# define NSIG 50
2570#endif
2571/* <-- NSIG logic from Configure */
2572
13b6e58c
JH
2573#ifndef NO_ENVIRON_ARRAY
2574# define USE_ENVIRON_ARRAY
2575#endif
32f822de 2576
c77b533b
JH
2577/*
2578 * initialise to avoid floating-point exceptions from overflow, etc
2579 */
2580#ifndef PERL_FPU_INIT
2581# ifdef HAS_FPSETMASK
2582# if HAS_FLOATINGPOINT_H
2583# include <floatingpoint.h>
2584# endif
ad3a8c67
NC
2585/* Some operating systems have this as a macro, which in turn expands to a comma
2586 expression, and the last sub-expression is something that gets calculated,
2587 and then they have the gall to warn that a value computed is not used. Hence
2588 cast to void. */
2589# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2590# else
2f42fcb0 2591# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2592# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2593# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2594# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2595# else
2596# define PERL_FPU_INIT
2f42fcb0 2597
7014c407 2598# endif
c77b533b
JH
2599# endif
2600#endif
b35112e7
CS
2601#ifndef PERL_FPU_PRE_EXEC
2602# define PERL_FPU_PRE_EXEC {
2603# define PERL_FPU_POST_EXEC }
2604#endif
c77b533b 2605
cbec8ebe
DM
2606#ifndef PERL_SYS_INIT3_BODY
2607# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2608#endif
2609
eb533572 2610/*
dcccc8ff
KW
2611=head1 Miscellaneous Functions
2612
4ad9e498 2613=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2614Provides system-specific tune up of the C runtime environment necessary to
72d33970 2615run Perl interpreters. This should be called only once, before creating
eb533572
DM
2616any Perl interpreters.
2617
4ad9e498 2618=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2619Provides system-specific tune up of the C runtime environment necessary to
72d33970 2620run Perl interpreters. This should be called only once, before creating
eb533572
DM
2621any Perl interpreters.
2622
2623=for apidoc Am|void|PERL_SYS_TERM|
2624Provides system-specific clean up of the C runtime environment after
72d33970 2625running Perl interpreters. This should be called only once, after
eb533572
DM
2626freeing any remaining Perl interpreters.
2627
2628=cut
2629 */
2630
cbec8ebe
DM
2631#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2632#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2633#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2634
be708cc0
JH
2635#ifndef PERL_WRITE_MSG_TO_CONSOLE
2636# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2637#endif
2638
0f31cffe
GS
2639#ifndef MAXPATHLEN
2640# ifdef PATH_MAX
b990c8b2
JH
2641# ifdef _POSIX_PATH_MAX
2642# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2643/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2644 * included the null byte or not. Later amendments of POSIX,
2645 * XPG4, the Austin Group, and the Single UNIX Specification
2646 * all explicitly include the null byte in the PATH_MAX.
2647 * Ditto for _POSIX_PATH_MAX. */
2648# define MAXPATHLEN PATH_MAX
b990c8b2 2649# else
09448d78 2650# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2651# endif
2652# else
2653# define MAXPATHLEN (PATH_MAX+1)
2654# endif
0f31cffe 2655# else
d552bce8 2656# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2657# endif
2658#endif
2659
c80263a8
SH
2660/* In case Configure was not used (we are using a "canned config"
2661 * such as Win32, or a cross-compilation setup, for example) try going
2662 * by the gcc major and minor versions. One useful URL is
2663 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2664 * but contrary to this information warn_unused_result seems
2665 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2666 * Also, when building extensions with an installed perl, this allows
2667 * the user to upgrade gcc and get the right attributes, rather than
2668 * relying on the list generated at Configure time. --AD
c80263a8
SH
2669 * Set these up now otherwise we get confused when some of the <*thread.h>
2670 * includes below indirectly pull in <perlio.h> (which needs to know if we
2671 * have HASATTRIBUTE_FORMAT).
2672 */
2673
4d7c7898 2674#ifndef PERL_MICRO
fc2007d4 2675#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2676# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2677# define HASATTRIBUTE_DEPRECATED
2678# endif
c80263a8
SH
2679# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2680# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2681# if defined __MINGW32__
2682# define PRINTF_FORMAT_NULL_OK
2683# endif
c80263a8
SH
2684# endif
2685# if __GNUC__ >= 3 /* 3.0 -> */
2686# define HASATTRIBUTE_MALLOC
2687# endif
2688# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2689# define HASATTRIBUTE_NONNULL
2690# endif
2691# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2692# define HASATTRIBUTE_NORETURN
2693# endif
2694# if __GNUC__ >= 3 /* gcc 3.0 -> */
2695# define HASATTRIBUTE_PURE
2696# endif
42bf5550 2697# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2698# define HASATTRIBUTE_UNUSED
2699# endif
d324fe49
AD
2700# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2701# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2702# endif
c80263a8
SH
2703# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2704# define HASATTRIBUTE_WARN_UNUSED_RESULT
2705# endif
2706#endif
00f254e2 2707#endif /* #ifndef PERL_MICRO */
c80263a8 2708
3db8f154 2709/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2710 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2711 * this results in many functions being undeclared which bothers C++
2712 * May make sense to have threads after "*ish.h" anyway
2713 */
2714
3db8f154 2715#if defined(USE_ITHREADS)
2986a63f
JH
2716# ifdef NETWARE
2717# include <nw5thread.h>
2718# else
32f822de
GS
2719# ifdef WIN32
2720# include <win32thread.h>
2721# else
dd96f567
IZ
2722# ifdef OS2
2723# include "os2thread.h"
2724# else
7f3d1cf1 2725# ifdef I_MACH_CTHREADS
bdd66968 2726# include <mach/cthreads.h>
7f3d1cf1
BH
2727typedef cthread_t perl_os_thread;
2728typedef mutex_t perl_mutex;
2729typedef condition_t perl_cond;
2730typedef void * perl_key;
2731# else /* Posix threads */
1f5ae88c
JH
2732# ifdef I_PTHREAD
2733# include <pthread.h>
2734# endif
7f3d1cf1
BH
2735typedef pthread_t perl_os_thread;
2736typedef pthread_mutex_t perl_mutex;
2737typedef pthread_cond_t perl_cond;
2738typedef pthread_key_t perl_key;
2739# endif /* I_MACH_CTHREADS */
dd96f567 2740# endif /* OS2 */
32f822de 2741# endif /* WIN32 */
ef4abe76 2742# endif /* NETWARE */
3db8f154 2743#endif /* USE_ITHREADS */
c5be433b 2744
66a93824 2745#if defined(WIN32)
1feb2720 2746# include "win32.h"
c5be433b
GS
2747#endif
2748
2986a63f
JH
2749#ifdef NETWARE
2750# include "netware.h"
2751#endif
2752
e5218da5 2753#define STATUS_UNIX PL_statusvalue
68dc0745 2754#ifdef VMS
6b88bc9c 2755# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2756/*
2757 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2758 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2759 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2760 * be updated also.
2761 */
2762# include <stsdef.h>
2763# include <ssdef.h>
2764/* Presume this because if VMS changes it, it will require a new
2765 * set of APIs for waiting on children for binary compatibility.
2766 */
2767# define child_offset_bits (8)
2768# ifndef C_FAC_POSIX
2769# define C_FAC_POSIX 0x35A000
2770# endif
2771
2772/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2773 * platform from the existing UNIX or Native status values.
2774 */
2775
37038d91 2776# define STATUS_EXIT \
7a7fd8e0
JM
2777 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2778 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2779
7a7fd8e0 2780
fb38d079
JM
2781/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2782 * exit code and shifts the UNIX value over the correct number of bits to
2783 * be a child status. Usually the number of bits is 8, but that could be
2784 * platform dependent. The NATIVE status code is presumed to have either
2785 * from a child process.
7a7fd8e0
JM
2786 */
2787
fb38d079
JM
2788/* This is complicated. The child processes return a true native VMS
2789 status which must be saved. But there is an assumption in Perl that
2790 the UNIX child status has some relationship to errno values, so
00f254e2 2791 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2792 In order to get the string translation correct, for the error, errno
2793 must be EVMSERR, but that generates a different text message
2794 than what the test programs are expecting. So an errno value must
2795 be derived from the native status value when an error occurs.
2796 That will hide the true native status message. With this version of
2797 perl, the true native child status can always be retrieved so that
2798 is not a problem. But in this case, Pl_statusvalue and errno may
2799 have different values in them.
2800 */
7a7fd8e0 2801
fb38d079 2802# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2803 STMT_START { \
2fbb330f
JM
2804 I32 evalue = (I32)n; \
2805 if (evalue == EVMSERR) { \
2806 PL_statusvalue_vms = vaxc$errno; \
2807 PL_statusvalue = evalue; \
7a7fd8e0 2808 } else { \
2fbb330f 2809 PL_statusvalue_vms = evalue; \
fb38d079 2810 if (evalue == -1) { \
3280af22 2811 PL_statusvalue = -1; \
7a7fd8e0
JM
2812 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2813 } else \
fb38d079 2814 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2815 set_vaxc_errno(evalue); \
fb38d079
JM
2816 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2817 set_errno(EVMSERR); \
2818 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2819 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2820 } \
68dc0745 2821 } STMT_END
7a7fd8e0 2822
68dc0745 2823# ifdef VMSISH_STATUS
e5218da5 2824# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2825# else
e5218da5 2826# define STATUS_CURRENT STATUS_UNIX
68dc0745 2827# endif
7a7fd8e0
JM
2828
2829 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2830 * the NATIVE status to an equivalent value. Can not be used to translate
2831 * exit code values as exit code values are not guaranteed to have any
2832 * relationship at all to errno values.
2833 * This is used when Perl is forcing errno to have a specific value.
2834 */
e5218da5 2835# define STATUS_UNIX_SET(n) \
68dc0745 2836 STMT_START { \
7a7fd8e0 2837 I32 evalue = (I32)n; \
0968cdad 2838 PL_statusvalue = evalue; \
3280af22 2839 if (PL_statusvalue != -1) { \
0968cdad
JM
2840 if (PL_statusvalue != EVMSERR) { \
2841 PL_statusvalue &= 0xFFFF; \
2842 if (MY_POSIX_EXIT) \
2843 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2844 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2845 } \
2846 else { \
2847 PL_statusvalue_vms = vaxc$errno; \
2848 } \
68dc0745 2849 } \
0968cdad
JM
2850 else PL_statusvalue_vms = SS$_ABORT; \
2851 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2852 } STMT_END
2853
2854 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2855 * the NATIVE error status based on it.
2856 *
2857 * When in the default mode to comply with the Perl VMS documentation,
2858 * 0 is a success and any other code sets the NATIVE status to a failure
2859 * code of SS$_ABORT.
fb38d079
JM
2860 *
2861 * In the new POSIX EXIT mode, native status will be set so that the
2862 * actual exit code will can be retrieved by the calling program or
2863 * shell.
2864 *
2865 * If the exit code is not clearly a UNIX parent or child exit status,
2866 * it will be passed through as a VMS status.
7a7fd8e0
JM
2867 */
2868
fb38d079 2869# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2870 STMT_START { \
2871 I32 evalue = (I32)n; \
2872 PL_statusvalue = evalue; \
e08e1e1d
JM
2873 if (MY_POSIX_EXIT) { \
2874 if (evalue <= 0xFF00) { \
2875 if (evalue > 0xFF) \
2876 evalue = (evalue >> child_offset_bits) & 0xFF; \
2877 PL_statusvalue_vms = \
2878 (C_FAC_POSIX | (evalue << 3 ) | \
2879 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2880 } else /* forgive them Perl, for they have sinned */ \
2881 PL_statusvalue_vms = evalue; \
2882 } else { \
2883 if (evalue == 0) \
2884 PL_statusvalue_vms = SS$_NORMAL; \
2885 else if (evalue <= 0xFF00) \
2886 PL_statusvalue_vms = SS$_ABORT; \
2887 else { /* forgive them Perl, for they have sinned */ \
2888 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2889 else PL_statusvalue_vms = vaxc$errno; \
2890 /* And obviously used a VMS status value instead of UNIX */ \
2891 PL_statusvalue = EVMSERR; \
2892 } \
2893 set_vaxc_errno(PL_statusvalue_vms); \
2894 } \
68dc0745 2895 } STMT_END
fb38d079 2896
e08e1e1d 2897
6ac6a52b
JM
2898 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2899 * and sets the NATIVE error status based on it. This special case
2900 * is needed to maintain compatibility with past VMS behavior.
2901 *
2902 * In the default mode on VMS, this number is passed through as
2903 * both the NATIVE and UNIX status. Which makes it different
2904 * that the STATUS_UNIX_EXIT_SET.
2905 *
2906 * In the new POSIX EXIT mode, native status will be set so that the
2907 * actual exit code will can be retrieved by the calling program or
2908 * shell.
2909 *
1a3aec58
JM
2910 * A POSIX exit code is from 0 to 255. If the exit code is higher
2911 * than this, it needs to be assumed that it is a VMS exit code and
2912 * passed through.
6ac6a52b
JM
2913 */
2914
2915# define STATUS_EXIT_SET(n) \
2916 STMT_START { \
2917 I32 evalue = (I32)n; \
2918 PL_statusvalue = evalue; \
2919 if (MY_POSIX_EXIT) \
1a3aec58
JM
2920 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2921 PL_statusvalue_vms = \
2922 (C_FAC_POSIX | (evalue << 3 ) | \
2923 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2924 else \
2925 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2926 set_vaxc_errno(PL_statusvalue_vms); \
2927 } STMT_END
2928
fb38d079
JM
2929
2930 /* This macro forces a success status */
7a7fd8e0
JM
2931# define STATUS_ALL_SUCCESS \
2932 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2933
2934 /* This macro forces a failure status */
7a7fd8e0
JM
2935# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2936 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2937 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2938
68dc0745 2939#else
e5218da5 2940# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2941# if defined(WCOREDUMP)
37038d91 2942# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2943 STMT_START { \
2944 PL_statusvalue_posix = (n); \
2945 if (PL_statusvalue_posix == -1) \
2946 PL_statusvalue = -1; \
2947 else { \
2948 PL_statusvalue = \
2949 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2950 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2951 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2952 } \
2953 } STMT_END
2954# elif defined(WIFEXITED)
37038d91 2955# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2956 STMT_START { \
2957 PL_statusvalue_posix = (n); \
2958 if (PL_statusvalue_posix == -1) \
2959 PL_statusvalue = -1; \
2960 else { \
2961 PL_statusvalue = \
2962 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2963 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2964 } \
2965 } STMT_END
2966# else
37038d91 2967# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2968 STMT_START { \
2969 PL_statusvalue_posix = (n); \
2970 if (PL_statusvalue_posix == -1) \
2971 PL_statusvalue = -1; \
2972 else { \
2973 PL_statusvalue = \
2974 PL_statusvalue_posix & 0xFFFF; \
2975 } \
2976 } STMT_END
2977# endif
2978# define STATUS_UNIX_SET(n) \
68dc0745 2979 STMT_START { \
3280af22
NIS
2980 PL_statusvalue = (n); \
2981 if (PL_statusvalue != -1) \
2982 PL_statusvalue &= 0xFFFF; \
68dc0745 2983 } STMT_END
7a7fd8e0 2984# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2985# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2986# define STATUS_CURRENT STATUS_UNIX
37038d91 2987# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2988# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2989# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2990#endif
2991
cc3604b1
GS
2992/* flags in PL_exit_flags for nature of exit() */
2993#define PERL_EXIT_EXPECTED 0x01
31d77e54 2994#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2995#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2996#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2997
b79b76e0 2998#ifndef PERL_CORE
a7cb1f99 2999/* format to use for version numbers in file/directory names */
273cf8d1 3000/* XXX move to Configure? */
b79b76e0
NC
3001/* This was only ever used for the current version, and that can be done at
3002 compile time, as PERL_FS_VERSION, so should we just delete it? */
3003# ifndef PERL_FS_VER_FMT
3004# define PERL_FS_VER_FMT "%d.%d.%d"
3005# endif
3006#endif
3007
3008#ifndef PERL_FS_VERSION
3009# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3010#endif
3011
45bc9206 3012/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3013 * performance issue, so we allow people to disable it. Also, if
3014 * we are using stdio, there are broken implementations of fflush(NULL)
3015 * out there, Solaris being the most prominent.
45bc9206
GS
3016 */
3017#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3018# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3019# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3020# else
3021# ifdef FFLUSH_ALL
3022# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3023# else
c5be433b 3024# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3025# endif
66fe083f 3026# endif
45bc9206
GS
3027#endif
3028
7766f137
GS
3029#ifndef PERL_WAIT_FOR_CHILDREN
3030# define PERL_WAIT_FOR_CHILDREN NOOP
3031#endif
3032
ba869deb 3033/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3034#ifndef PERL_SET_INTERP
3035# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3036#endif
3037
3038#ifndef PERL_GET_INTERP
3039# define PERL_GET_INTERP (PL_curinterp)
3040#endif
3041
54aff467 3042#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3043# ifdef MULTIPLICITY
ba869deb 3044# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3045# endif
ba869deb
GS
3046# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3047#endif
3048
00f254e2 3049/*
8896765a 3050 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3051 All that is required is that the perl source does not
00f254e2
KW
3052 use "%-p" or "%-<number>p" or "%<number>p" formats.
3053 These formats will still work in perl code.
486ec47a 3054 See comments in sv.c for further details.
8896765a 3055
8896765a 3056 Robin Barker 2005-07-14
f46d31f2 3057
00f254e2 3058 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3059*/
8896765a
RB
3060
3061#ifndef SVf_
63ce7bf0 3062# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3063#endif
3064
8896765a 3065#ifndef SVf
104abab4 3066# define SVf "-p"
d2560b70
RB
3067#endif
3068
014ead4b 3069#ifndef SVf32
8896765a 3070# define SVf32 SVf_(32)
014ead4b
RB
3071#endif
3072
3073#ifndef SVf256
8896765a
RB
3074# define SVf256 SVf_(256)
3075#endif
3076
be2597df
MHM
3077#define SVfARG(p) ((void*)(p))
3078
20023040
FC
3079#ifndef HEKf
3080# define HEKf "2p"
3081#endif
3082
b8fa5213
FC
3083/* Not ideal, but we cannot easily include a number in an already-numeric
3084 * format sequence. */
3085#ifndef HEKf256
3086# define HEKf256 "3p"
3087#endif
3088
20023040
FC
3089#define HEKfARG(p) ((void*)(p))
3090
b17a0679
FC
3091/* Takes three arguments: is_utf8, length, str */
3092#ifndef UTF8f
61608bb7 3093# define UTF8f "d%" UVuf "%4p"
b17a0679
FC
3094#endif
3095#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3096
f46d31f2 3097#ifdef PERL_CORE
486ec47a 3098/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3099# undef UVf
3100#else
170cd9e9
NC
3101# ifndef UVf
3102# define UVf UVuf
3103# endif
d2560b70
RB
3104#endif
3105
fcdf39cf
RGS
3106#ifdef HASATTRIBUTE_DEPRECATED
3107# define __attribute__deprecated__ __attribute__((deprecated))
3108#endif
0dbb1585
AL
3109#ifdef HASATTRIBUTE_FORMAT
3110# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3111#endif
3112#ifdef HASATTRIBUTE_MALLOC
77785eea 3113# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3114#endif
0dbb1585 3115#ifdef HASATTRIBUTE_NONNULL
abb2c242 3116# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3117#endif
0dbb1585 3118#ifdef HASATTRIBUTE_NORETURN
abb2c242 3119# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3120#endif
0dbb1585 3121#ifdef HASATTRIBUTE_PURE
abb2c242 3122# define __attribute__pure__ __attribute__((pure))
f22be1b8 3123#endif
0dbb1585
AL
3124#ifdef HASATTRIBUTE_UNUSED
3125# define __attribute__unused__ __attribute__((unused))
3126#endif
3127#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3128# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3129#endif
3130
0dbb1585 3131/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3132#ifndef __attribute__deprecated__
3133# define __attribute__deprecated__
3134#endif
0dbb1585
AL
3135#ifndef __attribute__format__
3136# define __attribute__format__(x,y,z)
3137#endif
f22be1b8 3138#ifndef __attribute__malloc__
abb2c242 3139# define __attribute__malloc__
f22be1b8
JH
3140#endif
3141#ifndef __attribute__nonnull__
abb2c242 3142# define __attribute__nonnull__(a)
f22be1b8
JH
3143#endif
3144#ifndef __attribute__noreturn__
abb2c242 3145# define __attribute__noreturn__
f22be1b8
JH
3146#endif
3147#ifndef __attribute__pure__
abb2c242 3148# define __attribute__pure__
f22be1b8 3149#endif
0dbb1585
AL
3150#ifndef __attribute__unused__
3151# define __attribute__unused__
3152#endif
f22be1b8 3153#ifndef __attribute__warn_unused_result__
abb2c242
JH
3154# define __attribute__warn_unused_result__
3155#endif
3156
cd13e623
JH
3157#if defined(DEBUGGING) && defined(I_ASSERT)
3158# include <assert.h>
3159#endif
3160
0dbb1585
AL
3161/* For functions that are marked as __attribute__noreturn__, it's not
3162 appropriate to call return. In either case, include the lint directive.
3163 */
3164#ifdef HASATTRIBUTE_NORETURN
ae103e09 3165# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3166#else
ae103e09 3167# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH
3168#endif
3169
cdfeb707
RB
3170/* Some OS warn on NULL format to printf */
3171#ifdef PRINTF_FORMAT_NULL_OK
3172# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3173#else
00f254e2 3174# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3175#endif
3176
635aebb7 3177#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3178# define EXPECT(expr,val) __builtin_expect(expr,val)
3179#else
3180# define EXPECT(expr,val) (expr)
3181#endif
6d5abc62
NC
3182#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3183#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3184#ifdef HAS_BUILTIN_CHOOSE_EXPR
3185/* placeholder */
3186#endif
b37c2d43 3187
ae103e09
DD
3188
3189#ifndef __has_builtin
3190# define __has_builtin(x) 0 /* not a clang style compiler */
3191#endif
3192
3193/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3194 hint to a compiler about a statement of fact in a function call free
3195 expression, which allows the compiler to generate better machine code.
3196 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3197 the control path is unreachable. In a for loop, ASSUME can be used to hint
3198 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3199 intrinsic function, see its documents for more details.
3200*/
3201
3202#ifndef DEBUGGING
3203# if __has_builtin(__builtin_unreachable) \
3204 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3205# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3206# elif defined(_MSC_VER)
3207# define ASSUME(x) __assume(x)
3208# elif defined(__ARMCC_VERSION) /* untested */
3209# define ASSUME(x) __promise(x)
3210# else
3211/* a random compiler might define assert to its own special optimization token
3212 so pass it through to C lib as a last resort */
3213# define ASSUME(x) assert(x)
3214# endif
3215#else
3216# define ASSUME(x) assert(x)
3217#endif
3218
3219#define NOT_REACHED ASSUME(0)
3220
3fc1aec6
PP
3221/* Some unistd.h's give a prototype for pause() even though
3222 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3223 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3224*/
3225#ifdef HAS_PAUSE
3226#define Pause pause
3227#else
3228#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3229#endif
3230
3231#ifndef IOCPARM_LEN
3232# ifdef IOCPARM_MASK
61f1c44b 3233 /* on BSDish systems we're safe */
748a9306
LW
3234# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3235# else
61f1c44b 3236# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3237 /* on Linux systems we're safe; except when we're not [perl #38223] */
3238# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3239# else
748a9306 3240 /* otherwise guess at what's safe */
61f1c44b
JVD
3241# define IOCPARM_LEN(x) 256
3242# endif
748a9306 3243# endif
a0d0e21e
LW
3244#endif
3245
1761cee5 3246#if defined(__CYGWIN__)
521e0776
GS
3247/* USEMYBINMODE
3248 * This symbol, if defined, indicates that the program should
16fe6d59 3249 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3250 * that a file is in "binary" mode -- that is, that no translation
3251 * of bytes occurs on read or write operations.
3252 */
36894f0b 3253# define USEMYBINMODE /**/
77a40698 3254# include <io.h> /* for setmode() prototype */
16fe6d59 3255# define my_binmode(fp, iotype, mode) \
77a40698 3256 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3257#endif
3258
88d10794
JH
3259#ifdef __CYGWIN__
3260void init_os_extras(void);
3261#endif
3262
cea2e8a9
GS
3263#ifdef UNION_ANY_DEFINITION
3264UNION_ANY_DEFINITION;
3265#else
3266union any {
3267 void* any_ptr;
3268 I32 any_i32;
ae103e09 3269 U32 any_u32;
cea2e8a9 3270 IV any_iv;
c6bf6a65 3271 UV any_uv;
cea2e8a9 3272 long any_long;
9febdf04 3273 bool any_bool;
c76ac1ee 3274 void (*any_dptr) (void*);
acfe0abc 3275 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3276};
3277#endif
3278
acfe0abc 3279typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3280
3281#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3282#define FILTER_DATA(idx) \
3283 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3284#define FILTER_ISREADER(idx) \
3285 (PL_parser && PL_parser->rsfp_filters \
3286 && idx >= AvFILLp(PL_parser->rsfp_filters))
3287#define PERL_FILTER_EXISTS(i) \
3288 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3289 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3290
c5078cac
JH
3291#if defined(_AIX) && !defined(_AIX43)
3292#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3293/* We cannot include <crypt.h> to get the struct crypt_data
3294 * because of setkey prototype problems when threading */
3295typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3296 /* From OSF, Not needed in AIX
3297 char C[28], D[28];
3298 */
3299 char E[48];
3300 char KS[16][48];
3301 char block[66];
3302 char iobuf[16];
3303} CRYPTD;
3304#endif /* threading */
3305#endif /* AIX */
3306
e37778c2 3307#if !defined(OS2)
2c2d71f5
JH
3308# include "iperlsys.h"
3309#endif
504f80c1 3310
9c12f1e5 3311#ifdef __LIBCATAMOUNT__
00f254e2 3312#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3313#undef HAS_GROUP
3314#define FAKE_BIT_BUCKET
3315#endif
3316
d10dc2ae
JH
3317/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3318 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3319 * defined by Configure, despite their names being similar to the
3320 * other defines like USE_ITHREADS. Configure in fact knows nothing
3321 * about the randomised hashes. Therefore to enable/disable the hash
3322 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3323#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3324# define USE_HASH_SEED
504f80c1
JH
3325#endif
3326
598921a7
NC
3327/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3328 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3329 * it's not really needed.
3330 */
3331#if defined(WIN32)
3332# define YYTOKENTYPE
3333#endif
3334#include "perly.h"
3335
598921a7 3336
654eccd5
JD
3337/* macros to define bit-fields in structs. */
3338#ifndef PERL_BITFIELD8
3339# define PERL_BITFIELD8 unsigned
3340#endif
3341#ifndef PERL_BITFIELD16
3342# define PERL_BITFIELD16 unsigned
3343#endif
3344#ifndef PERL_BITFIELD32
3345# define PERL_BITFIELD32 unsigned
3346#endif
3347
79072805 3348#include "sv.h"
288b8c02 3349#include "regexp.h"
378cc40b 3350#include "util.h"
8d063cd8 3351#include "form.h"
79072805 3352#include "gv.h"
dd2155a4 3353#include "pad.h"
79072805 3354#include "cv.h"
abdd5c84 3355#include "opnames.h"
79072805 3356#include "op.h"
b3ca2e83 3357#include "hv.h"
79072805
LW
3358#include "cop.h"
3359#include "av.h"
79072805
LW
3360#include "mg.h"
3361#include "scope.h"
4438c4b7 3362#include "warnings.h"
a0ed51b3 3363#include "utf8.h"
8d063cd8 3364
0d7d409d
DM
3365/* these would be in doio.h if there was such a file */
3366#define my_stat() my_stat_flags(SV_GMAGIC)
3367#define my_lstat() my_lstat_flags(SV_GMAGIC)
3368
20f4945e 3369/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3370#undef _XPV_HEAD
3371#undef _XPVMG_HEAD
3372#undef _XPVCV_COMMON
7fae4e64
GS
3373
3374typedef struct _sublex_info SUBLEXINFO;
3375struct _sublex_info {
651b5b28
NC
3376 U8 super_state; /* lexer state to save */
3377 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3378 OP *sub_op; /* "lex_op" to use */
7cc34111 3379 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3380};
3381
199e78b7
DM
3382#include "parser.h"
3383
455ece5e 3384typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3385
2260ab51
KW
3386#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3387
3388/* These have to be predeclared, as they are used in proto.h which is #included
3389 * before their definitions in regcomp.h. */
3390
3391struct scan_data_t;
7dcac5f6
KW
3392typedef struct regnode_charclass regnode_charclass;
3393
2260ab51 3394struct regnode_charclass_class;
d1d040e5
KW
3395
3396/* A hopefully less confusing name. The sub-classes are all Posix classes only
3397 * used under /l matching */
3398typedef struct regnode_charclass_class regnode_charclass_posixl;
3399
b8f7bb16 3400typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3401typedef struct RExC_state_t RExC_state_t;
3402struct _reg_trie_data;
76e3520e 3403
2260ab51
KW
3404#endif
3405
5f7fde29
GS
3406struct ptr_tbl_ent {
3407 struct ptr_tbl_ent* next;
53c1dcc0 3408 const void* oldval;
5f7fde29 3409 void* newval;
d18c6117
GS
3410};
3411
5f7fde29
GS
3412struct ptr_tbl {
3413 struct ptr_tbl_ent** tbl_ary;
3414 UV tbl_max;
3415 UV tbl_items;
db93c0c4
NC
3416 struct ptr_tbl_arena *tbl_arena;
3417 struct ptr_tbl_ent *tbl_arena_next;
3418 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3419};
3420
fe14fcc3
LW
3421#if defined(htonl) && !defined(HAS_HTONL)
3422#define HAS_HTONL
ae986130 3423#endif
fe14fcc3
LW
3424#if defined(htons) && !defined(HAS_HTONS)
3425#define HAS_HTONS
ae986130 3426#endif
fe14fcc3
LW
3427#if defined(ntohl) && !defined(HAS_NTOHL)
3428#define HAS_NTOHL
ae986130 3429#endif
fe14fcc3
LW
3430#if defined(ntohs) && !defined(HAS_NTOHS)
3431#define HAS_NTOHS
ae986130 3432#endif
fe14fcc3 3433#ifndef HAS_HTONL
fe14fcc3
LW
3434#define HAS_HTONS
3435#define HAS_HTONL
3436#define HAS_NTOHS
3437#define HAS_NTOHL
8e2d7c44
NC
3438# if (BYTEORDER & 0xffff) == 0x4321
3439/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3440 re-order their values. However, to behave identically to the alternative
3441 implementations, they should truncate to the correct size. */
3442# define ntohl(x) ((x)&0xFFFFFFFF)
3443# define htonl(x) ntohl(x)
3444# define ntohs(x) ((x)&0xFFFF)
3445# define htons(x) ntohs(x)
e4b03fed
NC
3446# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3447
3448/* Note that we can't straight out declare our own htonl and htons because
3449 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3450 to avoid the overhead of initialising the socket subsystem, but the headers
3451 that *declare* the various functions are still seen. If we declare our own
3452 htonl etc they will clash with the declarations in the Win32 headers. */
3453
3454PERL_STATIC_INLINE U32
3455my_swap32(const U32 x) {
3456 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3457 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3458}
3459
3460PERL_STATIC_INLINE U16
3461my_swap16(const U16 x) {
3462 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3463}
3464
3465# define htonl(x) my_swap32(x)
3466# define ntohl(x) my_swap32(x)
3467# define ntohs(x) my_swap16(x)
3468# define htons(x) my_swap16(x)
8e2d7c44 3469# else
691a44df
NC
3470# error "Unsupported byteorder"
3471/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3472 the error message. Please check the value of the macro BYTEORDER, as defined
3473 in config.h. The values of BYTEORDER we expect are
3474
3475 big endian little endian
3476 32 bit 0x4321 0x1234
3477 64 bit 0x87654321 0x12345678
3478
3479 If you have a system with a different byte order, please see
3480 pod/perlhack.pod for how to submit a patch to add supporting code.
3481*/
3482# endif
a687059c
LW
3483#endif
3484
988174c1
LW
3485/*
3486 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3487 * -DWS
3488 */
5ae72479 3489#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3490/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3491 re-order their values. However, to behave identically to the alternative
3492 implementations, they should truncate to the correct size. */
3493# define vtohl(x) ((x)&0xFFFFFFFF)
3494# define vtohs(x) ((x)&0xFFFF)
3495# define htovl(x) vtohl(x)
3496# define htovs(x) vtohs(x)
545872c5 3497#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3498# define vtohl(x) ((((x)&0xFF)<<24) \
3499 +(((x)>>24)&0xFF) \
3500 +(((x)&0x0000FF00)<<8) \
3501 +(((x)&0x00FF0000)>>8) )
3502# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3503# define htovl(x) vtohl(x)
3504# define htovs(x) vtohs(x)
545872c5
NC
3505#else
3506# error "Unsupported byteorder"
3507/* If you have need for current perl on PDP-11 or similar, and can help test
3508 that blead keeps working on a mixed-endian system, then see
3509 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3510#endif
988174c1 3511
3bb7c1b4
JH
3512/* *MAX Plus 1. A floating point value.
3513 Hopefully expressed in a way that dodgy floating point can't mess up.
3514 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3515 is added to it
3516 May find that some broken compiler will want the value cast to I32.
3517 [after the shift, as signed >> may not be as secure as unsigned >>]
3518*/
3519#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3520#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3521/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3522 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3523 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3524*/
3525#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3526
3bb7c1b4
JH
3527#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3528#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3529#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3530
3531/* This may look like unnecessary jumping through hoops, but converting
3532 out of range floating point values to integers *is* undefined behaviour,
3533 and it is starting to bite.
3534*/
3535#ifndef CAST_INLINE
65202027 3536#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3537#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3538#define I_V(what) (cast_iv((NV)(what)))
3539#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3540#else
3541#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3542 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3543 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3544#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3545 : ((n) < U32_MAX_P1 ? (U32) (n) \
3546 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM
3547#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3548 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3549 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM
3550#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3551 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH
3552 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3553#endif
3554
3555#define U_S(what) ((U16)U_32(what))
3556#define U_I(what) ((unsigned int)U_32(what))
3557#define U_L(what) U_32(what)
ed6116ce 3558
ed140128
AD
3559#ifdef HAS_SIGNBIT
3560# define Perl_signbit signbit
3561#endif
3562
2d4389e4
JH
3563/* These do not care about the fractional part, only about the range. */
3564#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3565#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3566
25da4f38
IZ
3567/* Used with UV/IV arguments: */
3568 /* XXXX: need to speed it up */
3569#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3570#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3571
352d5a3a
LW
3572#ifndef MAXSYSFD
3573# define MAXSYSFD 2
3574#endif
ee0007ab 3575
79072805 3576#ifndef __cplusplus
e37d7e38 3577#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3578Uid_t getuid (void);
3579Uid_t geteuid (void);
3580Gid_t getgid (void);
3581Gid_t getegid (void);
79072805 3582#endif
e1caacb4 3583#endif
8d063cd8 3584
0c30d9ec 3585#ifndef Perl_debug_log
bf49b057
GS
3586# define Perl_debug_log PerlIO_stderr()
3587#endif
3588
3589#ifndef Perl_error_log
3590# define Perl_error_log (PL_stderrgv \
6b78add2 3591 && isGV(PL_stderrgv) \
01bb7c6d 3592 && GvIOp(PL_stderrgv) \
42de951c 3593 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3594 ? IoOFP(GvIOp(PL_stderrgv)) \
3595 : PerlIO_stderr())
0c30d9ec 3596#endif
3967c732 3597
aea4f609
DM
3598
3599#define DEBUG_p_FLAG 0x00000001 /* 1 */
3600#define DEBUG_s_FLAG 0x00000002 /* 2 */
3601#define DEBUG_l_FLAG 0x00000004 /* 4 */
3602#define DEBUG_t_FLAG 0x00000008 /* 8 */
3603#define DEBUG_o_FLAG 0x00000010 /* 16 */
3604#define DEBUG_c_FLAG 0x00000020 /* 32 */
3605#define DEBUG_P_FLAG 0x00000040 /* 64 */
3606#define DEBUG_m_FLAG 0x00000080 /* 128 */
3607#define DEBUG_f_FLAG 0x00000100 /* 256 */
3608#define DEBUG_r_FLAG 0x00000200 /* 512 */
3609#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3610#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3611/* U is reserved for Unofficial, exploratory hacking */
3612#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3613#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3614#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3615#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3616#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3617#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3618#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3619#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3620#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3621#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3622#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3623#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3624#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3625#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW
3626#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3627#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM
3628
3629#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3630#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3631 that something was done? */
aea4f609 3632
bd16a5f0
IZ
3633# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3634# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3635# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3636# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3637# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3638# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3639# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3640# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3641# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3642# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3643# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3644# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3645# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3646# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3647# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3648# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3649# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3650# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3651# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3652# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3653# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3654# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3655# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3656# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3657# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3658# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3659# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3660# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3661# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3662# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3663
3967c732 3664#ifdef DEBUGGING
aea4f609 3665
bd16a5f0
IZ
3666# define DEBUG_p_TEST DEBUG_p_TEST_
3667# define DEBUG_s_TEST DEBUG_s_TEST_
3668# define DEBUG_l_TEST DEBUG_l_TEST_
3669# define DEBUG_t_TEST DEBUG_t_TEST_
3670# define DEBUG_o_TEST DEBUG_o_TEST_
3671# define DEBUG_c_TEST DEBUG_c_TEST_
3672# define DEBUG_P_TEST DEBUG_P_TEST_
3673# define DEBUG_m_TEST DEBUG_m_TEST_
3674# define DEBUG_f_TEST DEBUG_f_TEST_
3675# define DEBUG_r_TEST DEBUG_r_TEST_
3676# define DEBUG_x_TEST DEBUG_x_TEST_
3677# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3678# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3679# define DEBUG_H_TEST DEBUG_H_TEST_
3680# define DEBUG_X_TEST DEBUG_X_TEST_
3681# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3682# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3683# define DEBUG_T_TEST DEBUG_T_TEST_
3684# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3685# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3686# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3687# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3688# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3689# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3690# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3691# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 3692# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC
3693# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3694# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3695# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3696
488b0c7a
JH
3697# define PERL_DEB(a) a
3698# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3699# define DEBUG_p(a) if (DEBUG_p_TEST) a
3700# define DEBUG_s(a) if (DEBUG_s_TEST) a
3701# define DEBUG_l(a) if (DEBUG_l_TEST) a
3702# define DEBUG_t(a) if (DEBUG_t_TEST) a
3703# define DEBUG_o(a) if (DEBUG_o_TEST) a
3704# define DEBUG_c(a) if (DEBUG_c_TEST) a
3705# define DEBUG_P(a) if (DEBUG_P_TEST) a
3706
969058bb
VK
3707 /* Temporarily turn off memory debugging in case the a
3708 * does memory allocation, either directly or indirectly. */
acfe0abc 3709# define DEBUG_m(a) \
0b250b9e 3710 STMT_START { \
aea4f609 3711 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3712 } STMT_END
aea4f609 3713
5f80b19c
AMS
3714# define DEBUG__(t, a) \
3715 STMT_START { \
3716 if (t) STMT_START {a;} STMT_END; \
3717 } STMT_END
3718
3719# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3720#ifndef PERL_EXT_RE_BUILD
5f80b19c 3721# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3722#else
3723# define DEBUG_r(a) STMT_START {a;} STMT_END
3724#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3725# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3726# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3727# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3728# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3729# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3730# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3731# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3732# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3733# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)