sdk/build-tools/26.0.0/renderscript/clang-include/stddef.h

   1 /*===---- stddef.h - Basic type definitions --------------------------------===
   2  *
   3  * Copyright (c) 2008 Eli Friedman
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21  * THE SOFTWARE.
  22  *
  23  *===-----------------------------------------------------------------------===
  24  */
  25
  26 #if !defined(__STDDEF_H) || defined(__need_ptrdiff_t) ||                       \
  27     defined(__need_size_t) || defined(__need_wchar_t) ||                       \
  28     defined(__need_NULL) || defined(__need_wint_t)
  29
  30 #if !defined(__need_ptrdiff_t) && !defined(__need_size_t) &&                   \
  31     !defined(__need_wchar_t) && !defined(__need_NULL) &&                       \
  32     !defined(__need_wint_t)
  33 /* Always define miscellaneous pieces when modules are available. */
  34 #if !__has_feature(modules)
  35 #define __STDDEF_H
  36 #endif
  37 #define __need_ptrdiff_t
  38 #define __need_size_t
  39 #define __need_wchar_t
  40 #define __need_NULL
  41 #define __need_STDDEF_H_misc
  42 /* __need_wint_t is intentionally not defined here. */
  43 #endif
  44
  45 #if defined(__need_ptrdiff_t)
  46 #if !defined(_PTRDIFF_T) || __has_feature(modules)
  47 /* Always define ptrdiff_t when modules are available. */
  48 #if !__has_feature(modules)
  49 #define _PTRDIFF_T
  50 #endif
  51 typedef __PTRDIFF_TYPE__ ptrdiff_t;
  52 #endif
  53 #undef __need_ptrdiff_t
  54 #endif /* defined(__need_ptrdiff_t) */
  55
  56 #if defined(__need_size_t)
  57 #if !defined(_SIZE_T) || __has_feature(modules)
  58 /* Always define size_t when modules are available. */
  59 #if !__has_feature(modules)
  60 #define _SIZE_T
  61 #endif
  62 typedef __SIZE_TYPE__ size_t;
  63 #endif
  64 #undef __need_size_t
  65 #endif /*defined(__need_size_t) */
  66
  67 #if defined(__need_STDDEF_H_misc)
  68 /* ISO9899:2011 7.20 (C11 Annex K): Define rsize_t if __STDC_WANT_LIB_EXT1__ is
  69  * enabled. */
  70 #if (defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 && \
  71      !defined(_RSIZE_T)) || __has_feature(modules)
  72 /* Always define rsize_t when modules are available. */
  73 #if !__has_feature(modules)
  74 #define _RSIZE_T
  75 #endif
  76 typedef __SIZE_TYPE__ rsize_t;
  77 #endif
  78 #endif /* defined(__need_STDDEF_H_misc) */
  79
  80 #if defined(__need_wchar_t)
  81 #ifndef __cplusplus
  82 /* Always define wchar_t when modules are available. */
  83 #if !defined(_WCHAR_T) || __has_feature(modules)
  84 #if !__has_feature(modules)
  85 #define _WCHAR_T
  86 #if defined(_MSC_EXTENSIONS)
  87 #define _WCHAR_T_DEFINED
  88 #endif
  89 #endif
  90 typedef __WCHAR_TYPE__ wchar_t;
  91 #endif
  92 #endif
  93 #undef __need_wchar_t
  94 #endif /* defined(__need_wchar_t) */
  95
  96 #if defined(__need_NULL)
  97 #undef NULL
  98 #ifdef __cplusplus
  99 #  if !defined(__MINGW32__) && !defined(_MSC_VER)
 100 #    define NULL __null
 101 #  else
 102 #    define NULL 0
 103 #  endif
 104 #else
 105 #  define NULL ((void*)0)
 106 #endif
 107 #ifdef __cplusplus
 108 #if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED)
 109 namespace std { typedef decltype(nullptr) nullptr_t; }
 110 using ::std::nullptr_t;
 111 #endif
 112 #endif
 113 #undef __need_NULL
 114 #endif /* defined(__need_NULL) */
 115
 116 #if defined(__need_STDDEF_H_misc)
 117 #if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
 118 #include "__stddef_max_align_t.h"
 119 #endif
 120 #define offsetof(t, d) __builtin_offsetof(t, d)
 121 #undef __need_STDDEF_H_misc
 122 #endif  /* defined(__need_STDDEF_H_misc) */
 123
 124 /* Some C libraries expect to see a wint_t here. Others (notably MinGW) will use
 125 __WINT_TYPE__ directly; accommodate both by requiring __need_wint_t */
 126 #if defined(__need_wint_t)
 127 /* Always define wint_t when modules are available. */
 128 #if !defined(_WINT_T) || __has_feature(modules)
 129 #if !__has_feature(modules)
 130 #define _WINT_T
 131 #endif
 132 typedef __WINT_TYPE__ wint_t;
 133 #endif
 134 #undef __need_wint_t
 135 #endif /* __need_wint_t */
 136
 137 #endif