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   1 /*
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      from: @(#)stdarg.h      8.1 (Berkeley) 6/10/93
  30  */
  32 #ifndef _PPC_STDARG_H
  33 #define _PPC_STDARG_H
  35 #include <sys/cdefs.h>
  37 #ifdef __lint__
  38 typedef void *                  va_list;
  39 #define va_start(a, l)          (0)
  40 #define va_arg(a, t)            (0)
  41 #define va_end                  /* nothing */
  42 #define va_copy(d, s)           ((d) = (s))
  44 #elif __GNUC_PREREQ__(2, 96)
  45 #define va_list                 __builtin_va_list
  46 #define va_start(ap, last)      __builtin_va_start((ap), (last))
  47 #define va_arg                  __builtin_va_arg
  48 #define va_end                  __builtin_va_end
  49 #define va_copy(dest, src)      __builtin_va_copy((dest), (src))
  50 #else
  52 typedef char *                  va_list;
  54 #define __va_size(type) \
  55         (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
  57 #define va_start(ap, last) \
  58         ((ap) = (va_list)&(last) + __va_size(last))
  60 #define va_arg(ap, type) \
  61         (*(type *)(void *)((ap) += __va_size(type), (ap) - __va_size(type)))
  63 #define va_end(ap)
  65 #define va_copy(dest, src)      ((dest) = (src))
  66 #endif
  68 #endif /* !_PPC_STDARG_H */