From d083a94731fbcd638218b86446575b46c569234c Mon Sep 17 00:00:00 2001 From: sin Date: Sat, 28 Feb 2015 11:16:53 +0000 Subject: [PATCH] time: errno is not guaranteed to be set for sysconf() 0 should be considered an invalid CLK_TCK. --- time.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/time.c b/time.c index a628021..e4be7b4 100644 --- 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:");