diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Headers/stddef.h')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Headers/stddef.h | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/contrib/llvm/tools/clang/lib/Headers/stddef.h b/contrib/llvm/tools/clang/lib/Headers/stddef.h index 6a64d6d..2dfe0a2 100644 --- a/contrib/llvm/tools/clang/lib/Headers/stddef.h +++ b/contrib/llvm/tools/clang/lib/Headers/stddef.h @@ -23,9 +23,22 @@ *===-----------------------------------------------------------------------=== */ -#ifndef __STDDEF_H +#if !defined(__STDDEF_H) || defined(__need_ptrdiff_t) || \ + defined(__need_size_t) || defined(__need_wchar_t) || \ + defined(__need_NULL) || defined(__need_wint_t) + +#if !defined(__need_ptrdiff_t) && !defined(__need_size_t) && \ + !defined(__need_wchar_t) && !defined(__need_NULL) && \ + !defined(__need_wint_t) #define __STDDEF_H +#define __need_ptrdiff_t +#define __need_size_t +#define __need_wchar_t +#define __need_NULL +/* __need_wint_t is intentionally not defined here. */ +#endif +#if defined(__need_ptrdiff_t) #if !defined(_PTRDIFF_T) || __has_feature(modules) /* Always define ptrdiff_t when modules are available. */ #if !__has_feature(modules) @@ -33,7 +46,10 @@ #endif typedef __PTRDIFF_TYPE__ ptrdiff_t; #endif +#undef __need_ptrdiff_t +#endif /* defined(__need_ptrdiff_t) */ +#if defined(__need_size_t) #if !defined(_SIZE_T) || __has_feature(modules) /* Always define size_t when modules are available. */ #if !__has_feature(modules) @@ -41,7 +57,10 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t; #endif typedef __SIZE_TYPE__ size_t; #endif +#undef __need_size_t +#endif /*defined(__need_size_t) */ +#if defined(__STDDEF_H) /* ISO9899:2011 7.20 (C11 Annex K): Define rsize_t if __STDC_WANT_LIB_EXT1__ is * enabled. */ #if (defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1 && \ @@ -52,7 +71,9 @@ typedef __SIZE_TYPE__ size_t; #endif typedef __SIZE_TYPE__ rsize_t; #endif +#endif /* defined(__STDDEF_H) */ +#if defined(__need_wchar_t) #ifndef __cplusplus /* Always define wchar_t when modules are available. */ #if !defined(_WCHAR_T) || __has_feature(modules) @@ -65,7 +86,10 @@ typedef __SIZE_TYPE__ rsize_t; typedef __WCHAR_TYPE__ wchar_t; #endif #endif +#undef __need_wchar_t +#endif /* defined(__need_wchar_t) */ +#if defined(__need_NULL) #undef NULL #ifdef __cplusplus # if !defined(__MINGW32__) && !defined(_MSC_VER) @@ -76,17 +100,35 @@ typedef __WCHAR_TYPE__ wchar_t; #else # define NULL ((void*)0) #endif - #ifdef __cplusplus #if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED) namespace std { typedef decltype(nullptr) nullptr_t; } using ::std::nullptr_t; #endif #endif +#undef __need_NULL +#endif /* defined(__need_NULL) */ -#define offsetof(t, d) __builtin_offsetof(t, d) +#if defined(__STDDEF_H) + +#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L +#if !defined(__CLANG_MAX_ALIGN_T_DEFINED) || __has_feature(modules) +#ifndef _MSC_VER +typedef struct { + long long __clang_max_align_nonce1 + __attribute__((__aligned__(__alignof__(long long)))); + long double __clang_max_align_nonce2 + __attribute__((__aligned__(__alignof__(long double)))); +} max_align_t; +#else +typedef double max_align_t; +#endif +#define __CLANG_MAX_ALIGN_T_DEFINED +#endif +#endif -#endif /* __STDDEF_H */ +#define offsetof(t, d) __builtin_offsetof(t, d) +#endif /* __STDDEF_H */ /* Some C libraries expect to see a wint_t here. Others (notably MinGW) will use __WINT_TYPE__ directly; accommodate both by requiring __need_wint_t */ @@ -100,3 +142,5 @@ typedef __WINT_TYPE__ wint_t; #endif #undef __need_wint_t #endif /* __need_wint_t */ + +#endif |
