usr/src/cmd/sendmail/include/sm/varargs.h

   1 /*
   2  * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  *
   5  * By using this file, you agree to the terms and conditions set
   6  * forth in the LICENSE file which can be found at the top level of
   7  * the sendmail distribution.
   8  *
   9  *      $Id: varargs.h,v 1.7.2.1 2002/07/29 21:43:20 gshapiro Exp $
  10  */
  11
  12 #pragma ident   "%Z%%M% %I%     %E% SMI"
  13
  14 /*
  15 **  libsm variable argument lists
  16 */
  17
  18 #ifndef SM_VARARGS_H
  19 # define SM_VARARGS_H
  20
  21 # if defined(__STDC__) || defined(__cplusplus)
  22 #  define SM_VA_STD 1
  23 #  include <stdarg.h>
  24 #  define SM_VA_START(ap, f)    va_start(ap, f)
  25 # else /* defined(__STDC__) || defined(__cplusplus) */
  26 #  define SM_VA_STD 0
  27 #  include <varargs.h>
  28 #  define SM_VA_START(ap, f)    va_start(ap)
  29 # endif /* defined(__STDC__) || defined(__cplusplus) */
  30
  31 # if defined(va_copy)
  32 #  define SM_VA_COPY(dst, src)  va_copy((dst), (src))
  33 # elif defined(__va_copy)
  34 #  define SM_VA_COPY(dst, src)  __va_copy((dst), (src))
  35 # else
  36 #  define SM_VA_COPY(dst, src)  memcpy(&(dst), &(src), sizeof((dst)))
  37 # endif
  38
  39 /*
  40 **  The following macros are useless, but are provided for symmetry.
  41 */
  42
  43 # define SM_VA_LOCAL_DECL       va_list ap;
  44 # define SM_VA_ARG(ap, type)    va_arg(ap, type)
  45 # define SM_VA_END(ap)          va_end(ap)
  46
  47 #endif /* ! SM_VARARGS_H */