commit d083a94731fbcd638218b86446575b46c569234c
parent 65ae4afa7c1a083d7f2aa1970590745a488c9194
Author: sin <sin@2f30.org>
Date: Sat, 28 Feb 2015 11:16:53 +0000
time: errno is not guaranteed to be set for sysconf()
0 should be considered an invalid CLK_TCK.
Diffstat:
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/time.c b/time.c
@@ -25,8 +25,6 @@ main(int argc, char *argv[])
ARGBEGIN {
case 'p':
- /* used to specify POSIX output format, but that's the only format we
- * have for now */
break;
default:
usage();
@@ -35,8 +33,8 @@ main(int argc, char *argv[])
if (!*argv)
usage();
- if ((ticks = sysconf(_SC_CLK_TCK)) < 0)
- eprintf("sysconf() failed to retrieve clock ticks per second:");
+ if ((ticks = sysconf(_SC_CLK_TCK)) <= 0)
+ eprintf("sysconf() failed to retrieve clock ticks per second\n");
if ((rbeg = times(&tms)) < 0)
eprintf("times() failed to retrieve start times:");