Module Name: src
Committed By: dholland
Date: Sat Aug 27 18:48:30 UTC 2016
Modified Files:
src/external/bsd/top/dist: utils.c
Log Message:
Be more careful/explicit with FP rounding when converting floating time
to timeval. Also, don't truncate the seconds part to int for y2038.
I've had this patch sitting around since 2010 and I completely forget
what motivated it.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/external/bsd/top/dist/utils.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/bsd/top/dist/utils.c
diff -u src/external/bsd/top/dist/utils.c:1.4 src/external/bsd/top/dist/utils.c:1.5
--- src/external/bsd/top/dist/utils.c:1.4 Tue May 5 18:51:22 2009
+++ src/external/bsd/top/dist/utils.c Sat Aug 27 18:48:30 2016
@@ -41,6 +41,7 @@
#include "os.h"
#include <ctype.h>
+#include <math.h>
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#else
@@ -711,8 +712,11 @@ diff_per_second(unsigned int x, unsigned
void
double2tv(struct timeval *tv, double d)
{
- tv->tv_sec = (int)d;
- tv->tv_usec = (d - tv->tv_sec) * 1000000;
+ double di;
+
+ di = floor(d);
+ tv->tv_sec = (time_t)di;
+ tv->tv_usec = (int)ceil((d - di) * 1000000.0);
}
static int debug_on = 0;
