2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the w64 mingw-runtime package.
4 * No warranty is given; refer to the file DISCLAIMER within this package.
16 #ifndef _CRT_ERRNO_DEFINED
17 #define _CRT_ERRNO_DEFINED
18 _CRTIMP
extern int *__cdecl
_errno(void);
19 #define errno (*_errno())
20 errno_t __cdecl
_set_errno(int _Value
);
21 errno_t __cdecl
_get_errno(int *_Value
);
24 _CRTIMP
extern unsigned long __cdecl
__threadid(void);
25 #define _threadid (__threadid())
26 _CRTIMP
extern uintptr_t __cdecl
__threadhandle(void);
35 * ISO C Standard: 7.17 Common definitions <stddef.h>
37 #if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \
38 && !defined(__STDDEF_H__)) \
39 || defined(__need_wchar_t) || defined(__need_size_t) \
40 || defined(__need_ptrdiff_t) || defined(__need_NULL) \
41 || defined(__need_wint_t)
43 /* Any one of these symbols __need_* means that GNU libc
44 wants us just to define one data type. So don't define
45 the symbols that indicate this file's entire job has been done. */
46 #if (!defined(__need_wchar_t) && !defined(__need_size_t) \
47 && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \
48 && !defined(__need_wint_t))
51 /* snaroff@next.com says the NeXT needs this. */
52 #define _ANSI_STDDEF_H
53 /* Irix 5.1 needs this. */
57 #ifndef __sys_stdtypes_h
58 /* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are
59 defined if the corresponding type is *not* defined.
60 FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */
61 #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_)
62 #if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_)
65 #if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_)
68 /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
69 instead of _WCHAR_T_. */
70 #if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_)
75 /* Undef _FOO_T_ if we are supposed to define foo_t. */
76 #if defined (__need_ptrdiff_t) || defined (_STDDEF_H_)
78 #undef _BSD_PTRDIFF_T_
80 #if defined (__need_size_t) || defined (_STDDEF_H_)
84 #if defined (__need_wchar_t) || defined (_STDDEF_H_)
88 #endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */
90 /* Sequent's header files use _PTRDIFF_T_ in some conflicting way.
92 #if defined (__sequent__) && defined (_PTRDIFF_T_)
96 /* On VxWorks, <type/vxTypesBase.h> may have defined macros like
97 _TYPE_size_t which will typedef size_t. fixincludes patched the
98 vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is
99 not defined, and so that defining this macro defines _GCC_SIZE_T.
100 If we find that the macros are still defined at this point, we must
101 invoke them so that the type is defined as expected. */
102 #if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_))
104 #undef _TYPE_ptrdiff_t
106 #if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_))
110 #if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_))
115 /* In case nobody has defined these types, but we aren't running under
116 GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and
117 __WCHAR_TYPE__ have reasonable values. This can happen if the
118 parts of GCC is compiled by an older compiler, that actually
119 include gstddef.h, such as collect2. */
121 /* Signed type of difference of two pointers. */
123 /* Define this type if we are doing the whole job,
124 or if we want this type in particular. */
125 #if defined (_STDDEF_H) || defined (__need_ptrdiff_t)
126 #ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */
131 #ifndef _BSD_PTRDIFF_T_
132 #ifndef ___int_ptrdiff_t_h
133 #ifndef _GCC_PTRDIFF_T
139 #define _BSD_PTRDIFF_T_
140 #define ___int_ptrdiff_t_h
141 #define _GCC_PTRDIFF_T
142 #ifndef __PTRDIFF_TYPE__
144 #define __PTRDIFF_TYPE__ long long int
146 #define __PTRDIFF_TYPE__ long int
149 #ifndef _PTRDIFF_T_DEFINED
150 #define _PTRDIFF_T_DEFINED
151 __MINGW_EXTENSION
typedef __PTRDIFF_TYPE__
ptrdiff_t;
153 #endif /* _GCC_PTRDIFF_T */
154 #endif /* ___int_ptrdiff_t_h */
155 #endif /* _BSD_PTRDIFF_T_ */
156 #endif /* _PTRDIFF_T_ */
157 #endif /* __PTRDIFF_T */
158 #endif /* _T_PTRDIFF */
159 #endif /* _T_PTRDIFF_ */
160 #endif /* _PTRDIFF_T */
162 /* If this symbol has done its job, get rid of it. */
163 #undef __need_ptrdiff_t
165 #endif /* _STDDEF_H or __need_ptrdiff_t. */
167 /* Unsigned type of `sizeof' something. */
169 /* Define this type if we are doing the whole job,
170 or if we want this type in particular. */
171 #if defined (_STDDEF_H) || defined (__need_size_t)
172 #ifndef __size_t__ /* BeOS */
173 #ifndef __SIZE_T__ /* Cray Unicos/Mk */
174 #ifndef _SIZE_T /* in case <sys/types.h> has defined it. */
175 #ifndef _SYS_SIZE_T_H
181 #ifndef _SIZE_T_DEFINED_
182 #ifndef _SIZE_T_DEFINED
183 #ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */
184 #ifndef _SIZE_T_DECLARED /* FreeBSD 5 */
185 #ifndef ___int_size_t_h
189 #define __size_t__ /* BeOS */
190 #define __SIZE_T__ /* Cray Unicos/Mk */
192 #define _SYS_SIZE_T_H
198 #define _SIZE_T_DEFINED_
199 #define _SIZE_T_DEFINED
200 #define _BSD_SIZE_T_DEFINED_ /* Darwin */
201 #define _SIZE_T_DECLARED /* FreeBSD 5 */
202 #define ___int_size_t_h
205 #if defined (__FreeBSD__) && (__FreeBSD__ >= 5)
206 /* __size_t is a typedef on FreeBSD 5!, must not trash it. */
210 #ifndef __SIZE_TYPE__
212 #define __SIZE_TYPE__ long long unsigned int
214 #define __SIZE_TYPE__ long unsigned int
217 #if !(defined (__GNUG__) && defined (size_t))
218 __MINGW_EXTENSION
typedef __SIZE_TYPE__
size_t;
220 typedef long ssize_t
;
221 #endif /* __BEOS__ */
222 #endif /* !(defined (__GNUG__) && defined (size_t)) */
223 #endif /* __size_t */
225 #endif /* _GCC_SIZE_T */
226 #endif /* ___int_size_t_h */
227 #endif /* _SIZE_T_DECLARED */
228 #endif /* _BSD_SIZE_T_DEFINED_ */
229 #endif /* _SIZE_T_DEFINED */
230 #endif /* _SIZE_T_DEFINED_ */
231 #endif /* _BSD_SIZE_T_ */
232 #endif /* _SIZE_T_ */
233 #endif /* __SIZE_T */
235 #endif /* _T_SIZE_ */
236 #endif /* _SYS_SIZE_T_H */
238 #endif /* __SIZE_T__ */
239 #endif /* __size_t__ */
241 #endif /* _STDDEF_H or __need_size_t. */
244 /* Wide character type.
245 Locale-writers should change this as necessary to
246 be big enough to hold unique values not between 0 and 127,
247 and not (wchar_t) -1, for each defined multibyte character. */
249 /* Define this type if we are doing the whole job,
250 or if we want this type in particular. */
251 #if defined (_STDDEF_H) || defined (__need_wchar_t)
252 #ifndef __wchar_t__ /* BeOS */
253 #ifndef __WCHAR_T__ /* Cray Unicos/Mk */
259 #ifndef _BSD_WCHAR_T_
260 #ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */
261 #ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */
262 #ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */
263 #ifndef _WCHAR_T_DEFINED_
264 #ifndef _WCHAR_T_DEFINED
266 #ifndef ___int_wchar_t_h
267 #ifndef __INT_WCHAR_T_H
269 #define __wchar_t__ /* BeOS */
270 #define __WCHAR_T__ /* Cray Unicos/Mk */
276 #define _BSD_WCHAR_T_
277 #define _WCHAR_T_DEFINED_
278 #define _WCHAR_T_DEFINED
280 #define ___int_wchar_t_h
281 #define __INT_WCHAR_T_H
283 #define _WCHAR_T_DECLARED
285 /* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
286 instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other
287 symbols in the _FOO_T_ family, stays defined even after its
288 corresponding type is defined). If we define wchar_t, then we
289 must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if
290 we undef _WCHAR_T_, then we must also define rune_t, since
291 headers like runetype.h assume that if machine/ansi.h is included,
292 and _BSD_WCHAR_T_ is not defined, then rune_t is available.
293 machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of
298 #if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
299 typedef _BSD_RUNE_T_ rune_t
;
300 #define _BSD_WCHAR_T_DEFINED_
301 #define _BSD_RUNE_T_DEFINED_ /* Darwin */
302 #if defined (__FreeBSD__) && (__FreeBSD__ < 5)
303 /* Why is this file so hard to maintain properly? In contrast to
304 the comment above regarding BSD/386 1.1, on FreeBSD for as long
305 as the symbol has existed, _BSD_RUNE_T_ must not stay defined or
306 redundant typedefs will occur when stdlib.h is included after this file. */
313 #ifndef __WCHAR_TYPE__
314 #define __WCHAR_TYPE__ unsigned short
317 typedef __WCHAR_TYPE__
wchar_t;
325 #endif /* _WCHAR_T_DECLARED */
326 #endif /* _BSD_RUNE_T_DEFINED_ */
334 #endif /* __WCHAR_T__ */
335 #endif /* __wchar_t__ */
336 #undef __need_wchar_t
337 #endif /* _STDDEF_H or __need_wchar_t. */
339 /* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc.
340 are already defined. */
341 /* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */
342 #if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_)
343 /* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_
344 are probably typos and should be removed before 2.8 is released. */
345 #ifdef _GCC_PTRDIFF_T_
347 #undef _BSD_PTRDIFF_T_
357 /* The following ones are the real ones. */
358 #ifdef _GCC_PTRDIFF_T
360 #undef _BSD_PTRDIFF_T_
370 #endif /* _ANSI_H_ || _MACHINE_ANSI_H_ */
372 #endif /* __sys_stdtypes_h */
374 /* A null pointer constant. */
376 #if defined (_STDDEF_H) || defined (__need_NULL)
377 #undef NULL /* in case <stdio.h> has defined it. */
382 #define NULL ((void *)0)
387 #endif /* NULL not defined and <stddef.h> or need NULL. */
392 /* Offset of member MEMBER in a struct of type TYPE. */
393 #if defined(__GNUC__)
394 #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
396 #define offsetof(TYPE, MEMBER) ((size_t)&(((TYPE *)0)->MEMBER))
399 #endif /* !offsetof */
401 #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__
402 || __need_XXX was not defined before */