sys/arch/vax/include/stdarg.h

   1 /*      $NetBSD: stdarg.h,v 1.14.2.3 2004/09/21 13:23:43 skrll Exp $    */
   2
   3 /*-
   4  * Copyright (c) 1991 The Regents of the University of California.
   5  * 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    7.2 (Berkeley) 5/4/91
  32  */
  33
  34 #ifndef _VAX_STDARG_H_
  35 #define _VAX_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 #define __builtin_next_arg(t)           ((t) ? 0 : 0)
  44 #endif
  45
  46 #if __GNUC_PREREQ__(2, 96)
  47 #define va_start(ap, last)      __builtin_stdarg_start((ap), (last))
  48 #define va_arg                  __builtin_va_arg
  49 #define va_end                  __builtin_va_end
  50 #define __va_copy(dest, src)    __builtin_va_copy((dest), (src))
  51 #else
  52 #define __va_size(type) \
  53         (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
  54
  55 #define va_start(ap, last) \
  56         ((ap) = (va_list)__builtin_next_arg(last))
  57
  58 #define va_arg(ap, type) \
  59         (*(type *)(void *)((ap) += __va_size(type), (ap) - __va_size(type)))
  60
  61 #define va_end(ap)
  62
  63 #define __va_copy(dest, src)    ((dest) = (src))
  64 #endif
  65
  66 #if !defined(_ANSI_SOURCE) &&                                           \
  67     (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L ||    \
  68      defined(_NETBSD_SOURCE))
  69 #define va_copy(dest, src)      __va_copy(dest, src)
  70 #endif
  71
  72 #endif /* !_VAX_STDARG_H_ */