Home | History | Annotate | Download | only in Headers
      1 /*===---- __stddef_max_align_t.h - Definition of max_align_t for modules ---===
      2  *
      3  * Copyright (c) 2014 Chandler Carruth
      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 #ifndef __CLANG_MAX_ALIGN_T_DEFINED
     27 #define __CLANG_MAX_ALIGN_T_DEFINED
     28 
     29 #if defined(_MSC_VER)
     30 typedef double max_align_t;
     31 #elif defined(__APPLE__)
     32 typedef long double max_align_t;
     33 #else
     34 // Define 'max_align_t' to match the GCC definition.
     35 typedef struct {
     36   long long __clang_max_align_nonce1
     37       __attribute__((__aligned__(__alignof__(long long))));
     38   long double __clang_max_align_nonce2
     39       __attribute__((__aligned__(__alignof__(long double))));
     40 } max_align_t;
     41 #endif
     42 
     43 #endif
     44