/*
 * Copyright (c) 2005 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: time.h,v 1.1 2005/06/14 23:07:19 ca Exp $
 */

#ifndef SM_TIME_H
# define SM_TIME_H 1

# include <sm/config.h>

# include <sys/time.h>

/* should be defined in sys/time.h */
#ifndef timersub
# define timersub(tvp, uvp, vvp)                                        \
        do                                                              \
        {                                                               \
                (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;          \
                (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;       \
                if ((vvp)->tv_usec < 0)                                 \
                {                                                       \
                        (vvp)->tv_sec--;                                \
                        (vvp)->tv_usec += 1000000;                      \
                }                                                       \
        } while (0)
#endif /* !timersub */

#ifndef timeradd
# define timeradd(tvp, uvp, vvp)                                        \
        do                                                              \
        {                                                               \
                (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;          \
                (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;       \
                if ((vvp)->tv_usec >= 1000000)                          \
                {                                                       \
                        (vvp)->tv_sec++;                                \
                        (vvp)->tv_usec -= 1000000;                      \
                }                                                       \
        } while (0)
#endif /* !timeradd */

#ifndef timercmp
# define timercmp(tvp, uvp, cmp)                                        \
        (((tvp)->tv_sec == (uvp)->tv_sec) ?                             \
            ((tvp)->tv_usec cmp (uvp)->tv_usec) :                       \
            ((tvp)->tv_sec cmp (uvp)->tv_sec))
#endif /* !timercmp */


#endif /* ! SM_TIME_H */