Libc-391.2.9.tar.gz

[apple/libc.git] / include / stddef.h

diff --git a/include/stddef.h b/include/stddef.h
index 25d403a826c638f027a2f96b067620b32a6d5223..dfbaa5f9bd3ccd263fa851c224e32a219d4375f7 100644 (file)
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -58,49 +58,73 @@
  *     @(#)stddef.h    5.5 (Berkeley) 4/3/91
  */
 
-#ifndef __STDDEF_H__
-#define __STDDEF_H__
-
-#include <machine/types.h>
-#include <machine/ansi.h>
+#if !defined(__STDDEF_H__)
 
-typedef        _BSD_PTRDIFF_T_ ptrdiff_t;
+#if !defined(__need_wchar_t) && !defined(__need_size_t) \
+    && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \
+    && !defined(__need_wint_t)
+#define __STDDEF_H__
+#endif /* none of __need_* defined */
 
-#ifndef        _BSD_SIZE_T_DEFINED_
-#define        _BSD_SIZE_T_DEFINED_
-typedef        _BSD_SIZE_T_    size_t;
-#endif
+#include <_types.h>
 
-#ifndef        _BSD_CT_RUNE_T_DEFINED_
-#define _BSD_CT_RUNE_T_DEFINED_
-typedef        _BSD_CT_RUNE_T_ ct_rune_t;
-#endif
+#if defined(__STDDEF_H__) || defined(__need_ptrdiff_t)
+#ifndef _PTRDIFF_T
+#define _PTRDIFF_T
+typedef        __darwin_ptrdiff_t      ptrdiff_t;
+#endif /* _PTRDIFF_T */
+#endif /* __STDDEF_H__ || __need_ptrdiff_t */
 
-#ifndef        _BSD_RUNE_T_DEFINED_
-#define _BSD_RUNE_T_DEFINED_
-typedef        _BSD_RUNE_T_    rune_t;
-#endif
+#if defined(__STDDEF_H__) || defined(__need_size_t)
+#ifndef        _SIZE_T
+#define        _SIZE_T
+/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
+ * _GCC_SIZE_T */
+typedef        __darwin_size_t         size_t;
+#endif /* _SIZE_T */
+#endif /* __STDDEF_H__ || __need_size_t */
 
+#if defined(__STDDEF_H__) || defined(__need_wchar_t)
 #ifndef        __cplusplus
-#ifndef        _BSD_WCHAR_T_DEFINED_
-#define        _BSD_WCHAR_T_DEFINED_
-#ifdef __WCHAR_TYPE__
-typedef        __WCHAR_TYPE__  wchar_t;
-#else  /* ! __WCHAR_TYPE__ */
-typedef        _BSD_WCHAR_T_   wchar_t;
-#endif /* __WCHAR_TYPE__ */
-#endif /* _BSD_WCHAR_T_DEFINED_ */
+#ifndef        _WCHAR_T
+#define        _WCHAR_T
+typedef        __darwin_wchar_t        wchar_t;
+#endif /* _WCHAR_T */
 #endif /* __cplusplus */
+#endif /* __STDDEF_H__ || __need_wchar_t */
 
-#ifndef        _BSD_WINT_T_DEFINED_
-#define _BSD_WINT_T_DEFINED_
-typedef        _BSD_WINT_T_    wint_t;
-#endif
+#if (defined(__STDDEF_H__) && !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)) \
+    || defined(__need_wint_t)
+#ifndef        _WINT_T
+#define        _WINT_T
+typedef        __darwin_wint_t         wint_t;
+#endif /* _WINT_T */
+#endif /* __STDDEF_H__ && !_ANSI_SOURCE && !_POSIX_C_SOURCE || __need_wchar_t */
 
-#ifndef        NULL
-#define        NULL    0
-#endif
+#if defined(__STDDEF_H__) || defined(__need_NULL)
+#ifndef NULL
+#define NULL __DARWIN_NULL
+#endif /* ! NULL */
+#endif /* __STDDEF_H__ || __need_NULL */
 
-#define         offsetof(type, member)  __offsetof(type, member)
+#ifdef __STDDEF_H__
+#if defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 5 || __GNUC__ > 3)
+#ifndef __offsetof     /* Deprecated: for source compatability only */
+#define __offsetof(type, field) __builtin_offsetof(type, field)
+#endif
+#define offsetof(type, field) __builtin_offsetof(type, field)
+#else /* ! (gcc >= 3.5) */
+#ifndef __offsetof     /* Deprecated: for source compatability only */
+#define __offsetof(type, field) ((size_t)(&((type *)0)->field))
+#endif
+#define offsetof(type, field) ((size_t)(&((type *)0)->field))
+#endif /* (gcc >= 3.5) */
+#endif /* __STDDEF_H__ */
 
 #endif /* __STDDEF_H__ */
+
+#undef __need_ptrdiff_t
+#undef __need_size_t
+#undef __need_wchar_t
+#undef __need_wint_t
+#undef __need_NULL