sys/arch/m68k/include/stdarg.h

   1 /*      $NetBSD: stdarg.h,v 1.20.2.4 2005/11/10 13:57:09 skrll Exp $    */
   2
   3 /*-
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)stdarg.h    8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #ifndef _M68K_STDARG_H_
  35 #define _M68K_STDARG_H_
  36
  37 #include <machine/ansi.h>
  38 #include <sys/featuretest.h>
  39
  40 typedef _BSD_VA_LIST_   va_list;
  41
  42 #ifdef __lint__
  43
  44 #define va_start(ap, last)      ((ap) = *(va_list *)0)
  45 #define va_arg(ap, type)        (*(type *)(void *)&(ap))
  46 #define va_end(ap)
  47 #define __va_copy(dest, src)    ((dest) = (src))
  48
  49 #elif __GNUC_PREREQ__(3,0)
  50
  51 #define va_start(ap, last)      __builtin_va_start(ap, last)
  52 #define va_end(ap)              __builtin_va_end(ap)
  53 #define va_arg(ap, type)        __builtin_va_arg(ap, type)
  54 #define __va_copy(dest, src)    __builtin_va_copy(dest, src)
  55
  56 #else
  57
  58 #define __va_size(type) \
  59         (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
  60
  61 #define va_start(ap, last) \
  62         ((ap) = (va_list)__builtin_next_arg(last))
  63
  64 #define va_arg(ap, type) \
  65         (*(type *)(void *)((ap) += __va_size(type),                     \
  66                            (ap) - (sizeof(type) < sizeof(long) &&       \
  67                                    sizeof(type) != __va_size(type) ?    \
  68                                    sizeof(type) : __va_size(type))))
  69
  70 #define __va_copy(dest, src) \
  71         ((dest) = (src))
  72
  73 #define va_end(ap)
  74 #endif
  75
  76 #if !defined(_ANSI_SOURCE) && \
  77     (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
  78      defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
  79 #define va_copy(dest, src)      __va_copy(dest, src)
  80 #endif
  81
  82 #endif /* !_M68K_STDARG_H_ */