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- /***************************************************************************
- * Copyright (C) 2006 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "replacements.h"
- #include "time_support.h"
- #include "log.h"
-
- #include <stdlib.h>
-
- int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
- int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
- int timeval_add_time(struct timeval *result, int sec, int usec);
-
- /* calculate difference between two struct timeval values */
- int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)
- {
- if (x->tv_usec < y->tv_usec)
- {
- int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
- y->tv_usec -= 1000000 * nsec;
- y->tv_sec += nsec;
- }
- if (x->tv_usec - y->tv_usec > 1000000) {
- int nsec = (x->tv_usec - y->tv_usec) / 1000000;
- y->tv_usec += 1000000 * nsec;
- y->tv_sec -= nsec;
- }
-
- result->tv_sec = x->tv_sec - y->tv_sec;
- result->tv_usec = x->tv_usec - y->tv_usec;
-
- /* Return 1 if result is negative. */
- return x->tv_sec < y->tv_sec;
- }
-
- /* add two struct timeval values */
- int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y)
- {
- result->tv_sec = x->tv_sec + y->tv_sec;
-
- result->tv_usec = x->tv_usec + y->tv_usec;
-
- while (result->tv_usec > 1000000)
- {
- result->tv_usec -= 1000000;
- result->tv_sec++;
- }
-
- return 0;
- }
-
- int timeval_add_time(struct timeval *result, int sec, int usec)
- {
- result->tv_sec += sec;
- result->tv_usec += usec;
-
- while (result->tv_usec > 1000000)
- {
- result->tv_usec -= 1000000;
- result->tv_sec++;
- }
-
- return 0;
- }
-
- int duration_start_measure(duration_t *duration)
- {
- gettimeofday(&duration->start, NULL);
-
- return ERROR_OK;
- }
-
- int duration_stop_measure(duration_t *duration, char **text)
- {
- struct timeval end;
-
- gettimeofday(&end, NULL);
-
- timeval_subtract(&duration->duration, &end, &duration->start);
-
- if (text)
- {
- float t;
- t=duration->duration.tv_sec;
- t+=(float)duration->duration.tv_usec/1000000.0;
- *text = malloc(100);
- snprintf(*text, 100, "%fs", t);
- }
-
- return ERROR_OK;
- }
-
- long long timeval_ms()
- {
- struct timeval now;
- long long t=0;
- gettimeofday(&now, NULL);
-
- t+=now.tv_usec/1000;
- t+=now.tv_sec*1000;
-
- return t;
- }
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