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- /* $Id: timer.c 1001 2004-11-22 18:02:01Z aturner $ */
- /*
- * Copyright (c) 2001-2004 Aaron Turner.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the names of the copyright owners nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "config.h"
- #include "defines.h"
- #include "common.h"
- #include "timer.h"
- #include <stdlib.h>
- /* Miscellaneous timeval routines */
- /* Divide tvp by div, storing the result in tvp */
- inline void
- timerdiv(struct timeval *tvp, float div)
- {
- double interval;
- if (div == 0 || div == 1)
- return;
- interval = ((double)tvp->tv_sec * 1000000 + tvp->tv_usec) / (double)div;
- tvp->tv_sec = interval / (int)1000000;
- tvp->tv_usec = interval - (tvp->tv_sec * 1000000);
- }
- /*
- * converts a float to a timeval structure
- */
- inline void
- float2timer(float time, struct timeval *tvp)
- {
- float n;
- n = time;
- tvp->tv_sec = n;
- n -= tvp->tv_sec;
- tvp->tv_usec = n * 100000;
- }
- /*
- Local Variables:
- mode:c
- indent-tabs-mode:nil
- c-basic-offset:4
- End:
- */
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