/*
 * 'time.h' created: Sat Oct 19 21:21:42 2002
 *
 * Copyright 2002 by Lubomir Host <8host AT pauli.fmph.uniba.sk>
 *
 * License: GNU GPL (GNU Public License)
 *
 */

/* $Platon$ */

#ifndef TIME_H
#  define TIME_H

/* in <sys/time.h> is defined macro for computing difference
 * between two timeval structures, but this macro is defined for
 * dynamic alocated structures. We define the same macro for
 * static structures.
 */
# define timersub_static(a, b, result)						      \
  do {									      \
    (result).tv_sec = (a).tv_sec - (b).tv_sec;			      \
    (result).tv_usec = (a).tv_usec - (b).tv_usec;			      \
    if ((result).tv_usec < 0) {					      \
      --(result).tv_sec;						      \
      (result).tv_usec += 1000000;					      \
    }									      \
  } while (0)

#endif /* ifndef TIME_H */