EXTERNAL_HEADERS/stdarg.h

   1 /*===---- stdarg.h - Variable argument handling ----------------------------===
   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 #ifndef __STDARG_H
  27 #define __STDARG_H
  28
  29 #ifndef _VA_LIST
  30 typedef __builtin_va_list va_list;
  31 #define _VA_LIST
  32 #endif
  33 #define va_start(ap, param) __builtin_va_start(ap, param)
  34 #define va_end(ap)          __builtin_va_end(ap)
  35 #define va_arg(ap, type)    __builtin_va_arg(ap, type)
  36
  37 /* GCC always defines __va_copy, but does not define va_copy unless in c99 mode
  38  * or -ansi is not specified, since it was not part of C90.
  39  */
  40 #define __va_copy(d,s) __builtin_va_copy(d,s)
  41
  42 #if __STDC_VERSION__ >= 199900L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__)
  43 #define va_copy(dest, src)  __builtin_va_copy(dest, src)
  44 #endif
  45
  46 /* Hack required to make standard headers work, at least on Ubuntu */
  47 #define __GNUC_VA_LIST 1
  48 typedef __builtin_va_list __gnuc_va_list;
  49
  50 #endif /* __STDARG_H */