freebsd-skq/contrib/sendmail/include/sm/varargs.h
Gregory Neil Shapiro 5b0945b570 Merge sendmail 8.16.1 to HEAD: See contrib/sendmail/RELEASE_NOTES for details
Includes build infrastructure & config updates required for changes in 8.16.1

MFC after:	5 days
2020-07-15 18:28:54 +00:00

51 lines
1.3 KiB
C

/*
* Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
* $Id: varargs.h,v 1.9 2013-11-22 20:51:32 ca Exp $
*/
/*
** libsm variable argument lists
*/
#ifndef SM_VARARGS_H
# define SM_VARARGS_H
# if defined(__STDC__) || defined(__cplusplus)
# define SM_VA_STD 1
# include <stdarg.h>
# define SM_VA_START(ap, f) va_start(ap, f)
# else /* defined(__STDC__) || defined(__cplusplus) */
# define SM_VA_STD 0
# include <varargs.h>
# define SM_VA_START(ap, f) va_start(ap)
# endif /* defined(__STDC__) || defined(__cplusplus) */
# if defined(va_copy)
# define SM_VA_COPY(dst, src) va_copy((dst), (src))
# elif defined(__va_copy)
# define SM_VA_COPY(dst, src) __va_copy((dst), (src))
# else
# define SM_VA_COPY(dst, src) memcpy(&(dst), &(src), sizeof((dst)))
# define SM_VA_END_COPY(ap) do { } while (0)
# endif
# ifndef SM_VA_END_COPY
# define SM_VA_END_COPY(ap) va_end(ap)
# endif
/*
** The following macros are useless, but are provided for symmetry.
*/
# define SM_VA_LOCAL_DECL va_list ap;
# define SM_VA_ARG(ap, type) va_arg(ap, type)
# define SM_VA_END(ap) va_end(ap)
#endif /* ! SM_VARARGS_H */