freebsd-nq/contrib/sendmail/include/sm/gen.h
2004-08-01 01:04:57 +00:00

81 lines
1.8 KiB
C

/*
* Copyright (c) 2000-2002 Sendmail, 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: gen.h,v 1.23 2003/11/04 18:51:54 ca Exp $
*/
/*
** libsm general definitions
** See libsm/gen.html for documentation.
*/
#ifndef SM_GEN_H
# define SM_GEN_H
# include <sm/config.h>
# include <sm/cdefs.h>
# include <sm/types.h>
/*
** Define SM_RCSID and SM_IDSTR,
** macros used to embed RCS and SCCS identification strings in object files.
*/
# ifdef lint
# define SM_RCSID(str)
# define SM_IDSTR(id,str)
# else /* lint */
# define SM_RCSID(str) SM_UNUSED(static const char RcsId[]) = str;
# define SM_IDSTR(id,str) SM_UNUSED(static const char id[]) = str;
# endif /* lint */
/*
** Define NULL and offsetof (from the C89 standard)
*/
# if SM_CONF_STDDEF_H
# include <stddef.h>
# else /* SM_CONF_STDDEF_H */
# ifndef NULL
# define NULL 0
# endif /* ! NULL */
# define offsetof(type, member) ((size_t)(&((type *)0)->member))
# endif /* SM_CONF_STDDEF_H */
/*
** Define bool, true, false (from the C99 standard)
*/
# if SM_CONF_STDBOOL_H
# include <stdbool.h>
# else /* SM_CONF_STDBOOL_H */
# ifndef __cplusplus
typedef int bool;
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
# endif /* ! __cplusplus */
# endif /* SM_CONF_STDBOOL_H */
/*
** Define SM_MAX and SM_MIN
*/
# define SM_MAX(a, b) ((a) > (b) ? (a) : (b))
# define SM_MIN(a, b) ((a) < (b) ? (a) : (b))
/* Define SM_SUCCESS and SM_FAILURE */
# define SM_SUCCESS 0
# define SM_FAILURE (-1)
/* XXX This needs to be fixed when we start to use threads: */
typedef int SM_ATOMIC_INT_T;
typedef unsigned int SM_ATOMIC_UINT_T;
#endif /* SM_GEN_H */