X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fhelper%2Ftime_support.c;h=05eaf0a9d08e4cfae9a1dddf28c12d906813a2fb;hb=877cec20dca6e78f9f029f0f173879cda101a6c2;hp=bc23cb08bed6b348a535284a6faa25fc00b494df;hpb=c97caebccd07be7e5bae61d6d40921e01786ba06;p=openocd.git

diff --git a/src/helper/time_support.c b/src/helper/time_support.c
index bc23cb08be..05eaf0a9d0 100644
--- a/src/helper/time_support.c
+++ b/src/helper/time_support.c
@@ -2,7 +2,7 @@
  *   Copyright (C) 2006 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   Copyright (C) 2008 by Spencer Oliver                                  *
@@ -19,23 +19,19 @@
  *   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.             *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "time_support.h"
-#include "log.h"
-
 
 /* 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)
-	{
+	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;
@@ -53,15 +49,12 @@ int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *
 	return x->tv_sec < y->tv_sec;
 }
 
-/* add two struct timeval values */
-int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y)
+int timeval_add_time(struct timeval *result, long sec, long usec)
 {
-	result->tv_sec = x->tv_sec + y->tv_sec;
-
-	result->tv_usec = x->tv_usec + y->tv_usec;
+	result->tv_sec += sec;
+	result->tv_usec += usec;
 
-	while (result->tv_usec > 1000000)
-	{
+	while (result->tv_usec > 1000000) {
 		result->tv_usec -= 1000000;
 		result->tv_sec++;
 	}
@@ -69,53 +62,43 @@ int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y)
 	return 0;
 }
 
-int timeval_add_time(struct timeval *result, int sec, int usec)
+/* compare two timevals and return -1/0/+1 accordingly */
+int timeval_compare(const struct timeval *x, const struct timeval *y)
 {
-	result->tv_sec += sec;
-	result->tv_usec += usec;
-
-	while (result->tv_usec > 1000000)
-	{
-		result->tv_usec -= 1000000;
-		result->tv_sec++;
-	}
-
-	return 0;
+	if (x->tv_sec < y->tv_sec)
+		return -1;
+	else if (x->tv_sec > y->tv_sec)
+		return 1;
+	else if (x->tv_usec < y->tv_usec)
+		return -1;
+	else if (x->tv_usec > y->tv_usec)
+		return 1;
+	else
+		return 0;
 }
 
-void duration_start_measure(duration_t *duration)
+int duration_start(struct duration *duration)
 {
-	gettimeofday(&duration->start, NULL);
+	return gettimeofday(&duration->start, NULL);
 }
 
-int duration_stop_measure(duration_t *duration, char **text)
+int duration_measure(struct duration *duration)
 {
 	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;
+	int retval = gettimeofday(&end, NULL);
+	if (0 == retval)
+		timeval_subtract(&duration->elapsed, &end, &duration->start);
+	return retval;
 }
 
-long long timeval_ms()
+float duration_elapsed(const struct duration *duration)
 {
-	struct timeval now;
-	long long t = 0;
-	gettimeofday(&now, NULL);
-
-	t += now.tv_usec/1000;
-	t += now.tv_sec*1000;
-
+	float t = duration->elapsed.tv_sec;
+	t += (float)duration->elapsed.tv_usec / 1000000.0;
 	return t;
 }
+
+float duration_kbps(const struct duration *duration, size_t count)
+{
+	return count / (1024.0 * duration_elapsed(duration));
+}