ReactOS 0.4.15-dev-8231-g29a56f3
stddef.h
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1
7#include <crtdefs.h>
8
9#ifndef _INC_STDDEF
10#define _INC_STDDEF
11
12#ifdef __cplusplus
13extern "C" {
14#endif
15
16#include <errno.h>
17
18 _CRTIMP extern unsigned long __cdecl __threadid(void);
19#define _threadid (__threadid())
21
22#ifdef __cplusplus
23}
24#endif
25
26#endif
27
28/*
29 * ISO C Standard: 7.17 Common definitions <stddef.h>
30 */
31#if (!defined(_STDDEF_H) && !defined(_STDDEF_H_) && !defined(_ANSI_STDDEF_H) \
32 && !defined(__STDDEF_H__)) \
33 || defined(__need_wchar_t) || defined(__need_size_t) \
34 || defined(__need_ptrdiff_t) || defined(__need_NULL) \
35 || defined(__need_wint_t)
36
37/* Any one of these symbols __need_* means that GNU libc
38 wants us just to define one data type. So don't define
39 the symbols that indicate this file's entire job has been done. */
40#if (!defined(__need_wchar_t) && !defined(__need_size_t) \
41 && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \
42 && !defined(__need_wint_t))
43#define _STDDEF_H
44#define _STDDEF_H_
45/* snaroff@next.com says the NeXT needs this. */
46#define _ANSI_STDDEF_H
47/* Irix 5.1 needs this. */
48#define __STDDEF_H__
49#endif
50
51#ifndef __sys_stdtypes_h
52/* In 4.3bsd-net2, machine/ansi.h defines these symbols, which are
53 defined if the corresponding type is *not* defined.
54 FreeBSD-2.1 defines _MACHINE_ANSI_H_ instead of _ANSI_H_ */
55#if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_)
56#if !defined(_SIZE_T_) && !defined(_BSD_SIZE_T_)
57#define _SIZE_T
58#endif
59#if !defined(_PTRDIFF_T_) && !defined(_BSD_PTRDIFF_T_)
60#define _PTRDIFF_T
61#endif
62/* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
63 instead of _WCHAR_T_. */
64#if !defined(_WCHAR_T_) && !defined(_BSD_WCHAR_T_)
65#ifndef _BSD_WCHAR_T_
66#define _WCHAR_T
67#endif
68#endif
69/* Undef _FOO_T_ if we are supposed to define foo_t. */
70#if defined (__need_ptrdiff_t) || defined (_STDDEF_H_)
71#undef _PTRDIFF_T_
72#undef _BSD_PTRDIFF_T_
73#endif
74#if defined (__need_size_t) || defined (_STDDEF_H_)
75#undef _SIZE_T_
76#undef _BSD_SIZE_T_
77#endif
78#if defined (__need_wchar_t) || defined (_STDDEF_H_)
79#undef _WCHAR_T_
80#undef _BSD_WCHAR_T_
81#endif
82#endif /* defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_) */
83
84/* Sequent's header files use _PTRDIFF_T_ in some conflicting way.
85 Just ignore it. */
86#if defined (__sequent__) && defined (_PTRDIFF_T_)
87#undef _PTRDIFF_T_
88#endif
89
90/* On VxWorks, <type/vxTypesBase.h> may have defined macros like
91 _TYPE_size_t which will typedef size_t. fixincludes patched the
92 vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is
93 not defined, and so that defining this macro defines _GCC_SIZE_T.
94 If we find that the macros are still defined at this point, we must
95 invoke them so that the type is defined as expected. */
96#if defined (_TYPE_ptrdiff_t) && (defined (__need_ptrdiff_t) || defined (_STDDEF_H_))
97_TYPE_ptrdiff_t;
98#undef _TYPE_ptrdiff_t
99#endif
100#if defined (_TYPE_size_t) && (defined (__need_size_t) || defined (_STDDEF_H_))
101_TYPE_size_t;
102#undef _TYPE_size_t
103#endif
104#if defined (_TYPE_wchar_t) && (defined (__need_wchar_t) || defined (_STDDEF_H_))
105_TYPE_wchar_t;
106#undef _TYPE_wchar_t
107#endif
108
109/* In case nobody has defined these types, but we aren't running under
110 GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and
111 __WCHAR_TYPE__ have reasonable values. This can happen if the
112 parts of GCC is compiled by an older compiler, that actually
113 include gstddef.h, such as collect2. */
114
115/* Signed type of difference of two pointers. */
116
117/* Define this type if we are doing the whole job,
118 or if we want this type in particular. */
119#if defined (_STDDEF_H) || defined (__need_ptrdiff_t)
120#ifndef _PTRDIFF_T /* in case <sys/types.h> has defined it. */
121#ifndef _T_PTRDIFF_
122#ifndef _T_PTRDIFF
123#ifndef __PTRDIFF_T
124#ifndef _PTRDIFF_T_
125#ifndef _BSD_PTRDIFF_T_
126#ifndef ___int_ptrdiff_t_h
127#ifndef _GCC_PTRDIFF_T
128#define _PTRDIFF_T
129#define _T_PTRDIFF_
130#define _T_PTRDIFF
131#define __PTRDIFF_T
132#define _PTRDIFF_T_
133#define _BSD_PTRDIFF_T_
134#define ___int_ptrdiff_t_h
135#define _GCC_PTRDIFF_T
136#ifndef __PTRDIFF_TYPE__
137#ifdef _WIN64
138#define __PTRDIFF_TYPE__ long long int
139#else
140#define __PTRDIFF_TYPE__ long int
141#endif
142#endif
143#ifndef _PTRDIFF_T_DEFINED
144#define _PTRDIFF_T_DEFINED
146#endif
147#endif /* _GCC_PTRDIFF_T */
148#endif /* ___int_ptrdiff_t_h */
149#endif /* _BSD_PTRDIFF_T_ */
150#endif /* _PTRDIFF_T_ */
151#endif /* __PTRDIFF_T */
152#endif /* _T_PTRDIFF */
153#endif /* _T_PTRDIFF_ */
154#endif /* _PTRDIFF_T */
155
156/* If this symbol has done its job, get rid of it. */
157#undef __need_ptrdiff_t
158
159#endif /* _STDDEF_H or __need_ptrdiff_t. */
160
161/* Unsigned type of `sizeof' something. */
162
163/* Define this type if we are doing the whole job,
164 or if we want this type in particular. */
165#if defined (_STDDEF_H) || defined (__need_size_t)
166#ifndef __size_t__ /* BeOS */
167#ifndef __SIZE_T__ /* Cray Unicos/Mk */
168#ifndef _SIZE_T /* in case <sys/types.h> has defined it. */
169#ifndef _SYS_SIZE_T_H
170#ifndef _T_SIZE_
171#ifndef _T_SIZE
172#ifndef __SIZE_T
173#ifndef _SIZE_T_
174#ifndef _BSD_SIZE_T_
175#ifndef _SIZE_T_DEFINED_
176#ifndef _SIZE_T_DEFINED
177#ifndef _BSD_SIZE_T_DEFINED_ /* Darwin */
178#ifndef _SIZE_T_DECLARED /* FreeBSD 5 */
179#ifndef ___int_size_t_h
180#ifndef _GCC_SIZE_T
181#ifndef _SIZET_
182#ifndef __size_t
183#define __size_t__ /* BeOS */
184#define __SIZE_T__ /* Cray Unicos/Mk */
185#define _SIZE_T
186#define _SYS_SIZE_T_H
187#define _T_SIZE_
188#define _T_SIZE
189#define __SIZE_T
190#define _SIZE_T_
191#define _BSD_SIZE_T_
192#define _SIZE_T_DEFINED_
193#define _SIZE_T_DEFINED
194#define _BSD_SIZE_T_DEFINED_ /* Darwin */
195#define _SIZE_T_DECLARED /* FreeBSD 5 */
196#define ___int_size_t_h
197#define _GCC_SIZE_T
198#define _SIZET_
199#if defined (__FreeBSD__) && (__FreeBSD__ >= 5)
200/* __size_t is a typedef on FreeBSD 5!, must not trash it. */
201#else
202#define __size_t
203#endif
204#ifndef __SIZE_TYPE__
205#ifdef _WIN64
206#define __SIZE_TYPE__ long long unsigned int
207#else
208#define __SIZE_TYPE__ long unsigned int
209#endif
210#endif
211#if !(defined (__GNUG__) && defined (size_t))
213#ifdef __BEOS__
214typedef long ssize_t;
215#endif /* __BEOS__ */
216#endif /* !(defined (__GNUG__) && defined (size_t)) */
217#endif /* __size_t */
218#endif /* _SIZET_ */
219#endif /* _GCC_SIZE_T */
220#endif /* ___int_size_t_h */
221#endif /* _SIZE_T_DECLARED */
222#endif /* _BSD_SIZE_T_DEFINED_ */
223#endif /* _SIZE_T_DEFINED */
224#endif /* _SIZE_T_DEFINED_ */
225#endif /* _BSD_SIZE_T_ */
226#endif /* _SIZE_T_ */
227#endif /* __SIZE_T */
228#endif /* _T_SIZE */
229#endif /* _T_SIZE_ */
230#endif /* _SYS_SIZE_T_H */
231#endif /* _SIZE_T */
232#endif /* __SIZE_T__ */
233#endif /* __size_t__ */
234#undef __need_size_t
235#endif /* _STDDEF_H or __need_size_t. */
236
237
238/* Wide character type.
239 Locale-writers should change this as necessary to
240 be big enough to hold unique values not between 0 and 127,
241 and not (wchar_t) -1, for each defined multibyte character. */
242
243/* Define this type if we are doing the whole job,
244 or if we want this type in particular. */
245#if defined (_STDDEF_H) || defined (__need_wchar_t)
246#ifndef __wchar_t__ /* BeOS */
247#ifndef __WCHAR_T__ /* Cray Unicos/Mk */
248#ifndef _WCHAR_T
249#ifndef _T_WCHAR_
250#ifndef _T_WCHAR
251#ifndef __WCHAR_T
252#ifndef _WCHAR_T_
253#ifndef _BSD_WCHAR_T_
254#ifndef _BSD_WCHAR_T_DEFINED_ /* Darwin */
255#ifndef _BSD_RUNE_T_DEFINED_ /* Darwin */
256#ifndef _WCHAR_T_DECLARED /* FreeBSD 5 */
257#ifndef _WCHAR_T_DEFINED_
258#ifndef _WCHAR_T_DEFINED
259#ifndef _WCHAR_T_H
260#ifndef ___int_wchar_t_h
261#ifndef __INT_WCHAR_T_H
262#ifndef _GCC_WCHAR_T
263#define __wchar_t__ /* BeOS */
264#define __WCHAR_T__ /* Cray Unicos/Mk */
265#define _WCHAR_T
266#define _T_WCHAR_
267#define _T_WCHAR
268#define __WCHAR_T
269#define _WCHAR_T_
270#define _BSD_WCHAR_T_
271#define _WCHAR_T_DEFINED_
272#define _WCHAR_T_DEFINED
273#define _WCHAR_T_H
274#define ___int_wchar_t_h
275#define __INT_WCHAR_T_H
276#define _GCC_WCHAR_T
277#define _WCHAR_T_DECLARED
278
279/* On BSD/386 1.1, at least, machine/ansi.h defines _BSD_WCHAR_T_
280 instead of _WCHAR_T_, and _BSD_RUNE_T_ (which, unlike the other
281 symbols in the _FOO_T_ family, stays defined even after its
282 corresponding type is defined). If we define wchar_t, then we
283 must undef _WCHAR_T_; for BSD/386 1.1 (and perhaps others), if
284 we undef _WCHAR_T_, then we must also define rune_t, since
285 headers like runetype.h assume that if machine/ansi.h is included,
286 and _BSD_WCHAR_T_ is not defined, then rune_t is available.
287 machine/ansi.h says, "Note that _WCHAR_T_ and _RUNE_T_ must be of
288 the same type." */
289#ifdef _BSD_WCHAR_T_
290#undef _BSD_WCHAR_T_
291#ifdef _BSD_RUNE_T_
292#if !defined (_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
293typedef _BSD_RUNE_T_ rune_t;
294#define _BSD_WCHAR_T_DEFINED_
295#define _BSD_RUNE_T_DEFINED_ /* Darwin */
296#if defined (__FreeBSD__) && (__FreeBSD__ < 5)
297/* Why is this file so hard to maintain properly? In contrast to
298 the comment above regarding BSD/386 1.1, on FreeBSD for as long
299 as the symbol has existed, _BSD_RUNE_T_ must not stay defined or
300 redundant typedefs will occur when stdlib.h is included after this file. */
301#undef _BSD_RUNE_T_
302#endif
303#endif
304#endif
305#endif
306
307#ifndef __WCHAR_TYPE__
308#define __WCHAR_TYPE__ unsigned short
309#endif
310#ifndef __cplusplus
312#endif
313#endif
314#endif
315#endif
316#endif
317#endif
318#endif
319#endif /* _WCHAR_T_DECLARED */
320#endif /* _BSD_RUNE_T_DEFINED_ */
321#endif
322#endif
323#endif
324#endif
325#endif
326#endif
327#endif
328#endif /* __WCHAR_T__ */
329#endif /* __wchar_t__ */
330#undef __need_wchar_t
331#endif /* _STDDEF_H or __need_wchar_t. */
332
333/* In 4.3bsd-net2, leave these undefined to indicate that size_t, etc.
334 are already defined. */
335/* BSD/OS 3.1 and FreeBSD [23].x require the MACHINE_ANSI_H check here. */
336#if defined(_ANSI_H_) || defined(_MACHINE_ANSI_H_)
337/* The references to _GCC_PTRDIFF_T_, _GCC_SIZE_T_, and _GCC_WCHAR_T_
338 are probably typos and should be removed before 2.8 is released. */
339#ifdef _GCC_PTRDIFF_T_
340#undef _PTRDIFF_T_
341#undef _BSD_PTRDIFF_T_
342#endif
343#ifdef _GCC_SIZE_T_
344#undef _SIZE_T_
345#undef _BSD_SIZE_T_
346#endif
347#ifdef _GCC_WCHAR_T_
348#undef _WCHAR_T_
349#undef _BSD_WCHAR_T_
350#endif
351/* The following ones are the real ones. */
352#ifdef _GCC_PTRDIFF_T
353#undef _PTRDIFF_T_
354#undef _BSD_PTRDIFF_T_
355#endif
356#ifdef _GCC_SIZE_T
357#undef _SIZE_T_
358#undef _BSD_SIZE_T_
359#endif
360#ifdef _GCC_WCHAR_T
361#undef _WCHAR_T_
362#undef _BSD_WCHAR_T_
363#endif
364#endif /* _ANSI_H_ || _MACHINE_ANSI_H_ */
365
366#endif /* __sys_stdtypes_h */
367
368#ifndef offsetof
369
370/* Offset of member MEMBER in a struct of type TYPE. */
371#if defined(__GNUC__) || defined(__clang__) || defined(_CRT_USE_BUILTIN_OFFSETOF)
372# define offsetof(TYPE,MEMBER) __builtin_offsetof(TYPE,MEMBER)
373#else
374# ifdef __cplusplus
375# ifdef _WIN64
376# define offsetof(TYPE,MEMBER) ((::size_t)(ptrdiff_t)&reinterpret_cast<const volatile char&>((((TYPE*)0)->MEMBER)))
377# else
378# define offsetof(TYPE,MEMBER) ((::size_t)&reinterpret_cast<const volatile char&>((((TYPE*)0)->MEMBER)))
379# endif
380# else
381# ifdef _WIN64
382# define offsetof(TYPE,MEMBER) ((size_t)(ptrdiff_t)&(((TYPE*)0)->MEMBER))
383# else
384# define offsetof(TYPE,MEMBER) ((size_t)&(((TYPE*)0)->MEMBER))
385# endif
386# endif
387#endif
388
389#endif /* !offsetof */
390
391#endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__
392 || __need_XXX was not defined before */
#define __MINGW_EXTENSION
Definition: _mingw.h:166
#define __cdecl
Definition: accygwin.h:79
unsigned int uintptr_t
Definition: crtdefs.h:321
#define _CRTIMP
Definition: crtdefs.h:72
_CRTIMP uintptr_t __cdecl __threadhandle(void)
Definition: threadid.c:16
#define __WCHAR_TYPE__
Definition: stddef.h:308
__MINGW_EXTENSION typedef __SIZE_TYPE__ size_t
Definition: stddef.h:212
__WCHAR_TYPE__ wchar_t
Definition: stddef.h:311
#define __PTRDIFF_TYPE__
Definition: stddef.h:140
#define __SIZE_TYPE__
Definition: stddef.h:208
__MINGW_EXTENSION typedef __PTRDIFF_TYPE__ ptrdiff_t
Definition: stddef.h:145
_CRTIMP unsigned long __cdecl __threadid(void)
Definition: threadid.c:8
#define ssize_t
Definition: config.h:517