xref: /freebsd/contrib/sendmail/include/sm/varargs.h (revision e2c0e292e8a7ca00ba99bcfccc9e637f45c3e8b1)
140266059SGregory Neil Shapiro /*
25dd76dd0SGregory Neil Shapiro  * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
340266059SGregory Neil Shapiro  *	All rights reserved.
440266059SGregory Neil Shapiro  *
540266059SGregory Neil Shapiro  * By using this file, you agree to the terms and conditions set
640266059SGregory Neil Shapiro  * forth in the LICENSE file which can be found at the top level of
740266059SGregory Neil Shapiro  * the sendmail distribution.
840266059SGregory Neil Shapiro  *
94313cc83SGregory Neil Shapiro  *	$Id: varargs.h,v 1.9 2013-11-22 20:51:32 ca Exp $
1040266059SGregory Neil Shapiro  */
1140266059SGregory Neil Shapiro 
1240266059SGregory Neil Shapiro /*
1340266059SGregory Neil Shapiro **  libsm variable argument lists
1440266059SGregory Neil Shapiro */
1540266059SGregory Neil Shapiro 
1640266059SGregory Neil Shapiro #ifndef SM_VARARGS_H
1740266059SGregory Neil Shapiro # define SM_VARARGS_H
1840266059SGregory Neil Shapiro 
1940266059SGregory Neil Shapiro # if defined(__STDC__) || defined(__cplusplus)
2040266059SGregory Neil Shapiro #  define SM_VA_STD 1
2140266059SGregory Neil Shapiro #  include <stdarg.h>
2240266059SGregory Neil Shapiro #  define SM_VA_START(ap, f)	va_start(ap, f)
2340266059SGregory Neil Shapiro # else /* defined(__STDC__) || defined(__cplusplus) */
2440266059SGregory Neil Shapiro #  define SM_VA_STD 0
2540266059SGregory Neil Shapiro #  include <varargs.h>
2640266059SGregory Neil Shapiro #  define SM_VA_START(ap, f)	va_start(ap)
2740266059SGregory Neil Shapiro # endif /* defined(__STDC__) || defined(__cplusplus) */
2840266059SGregory Neil Shapiro 
2940266059SGregory Neil Shapiro # if defined(va_copy)
3040266059SGregory Neil Shapiro #  define SM_VA_COPY(dst, src)	va_copy((dst), (src))
3140266059SGregory Neil Shapiro # elif defined(__va_copy)
3240266059SGregory Neil Shapiro #  define SM_VA_COPY(dst, src)	__va_copy((dst), (src))
3340266059SGregory Neil Shapiro # else
34959366dcSGregory Neil Shapiro #  define SM_VA_COPY(dst, src)	memcpy(&(dst), &(src), sizeof((dst)))
35*5b0945b5SGregory Neil Shapiro #  define SM_VA_END_COPY(ap)	do { } while (0)
36*5b0945b5SGregory Neil Shapiro # endif
37*5b0945b5SGregory Neil Shapiro 
38*5b0945b5SGregory Neil Shapiro # ifndef SM_VA_END_COPY
39*5b0945b5SGregory Neil Shapiro #  define SM_VA_END_COPY(ap)	va_end(ap)
4040266059SGregory Neil Shapiro # endif
4140266059SGregory Neil Shapiro 
4240266059SGregory Neil Shapiro /*
4340266059SGregory Neil Shapiro **  The following macros are useless, but are provided for symmetry.
4440266059SGregory Neil Shapiro */
4540266059SGregory Neil Shapiro 
4640266059SGregory Neil Shapiro # define SM_VA_LOCAL_DECL	va_list ap;
4740266059SGregory Neil Shapiro # define SM_VA_ARG(ap, type)	va_arg(ap, type)
4840266059SGregory Neil Shapiro # define SM_VA_END(ap)		va_end(ap)
4940266059SGregory Neil Shapiro 
5040266059SGregory Neil Shapiro #endif /* ! SM_VARARGS_H */
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