[hackers] [sbase] time: errno is not guaranteed to be set for sysconf() || sin

From: <git_AT_suckless.org>
Date: Sat, 28 Feb 2015 15:42:54 +0100 (CET)

commit cb0ef7feb2edd8cc1b87d34b3cdb7ffb97f4e2ca
Author: sin <sin_AT_2f30.org>
Date: Sat Feb 28 11:16:53 2015 +0000

    time: errno is not guaranteed to be set for sysconf()
    
    0 should be considered an invalid CLK_TCK.

diff --git a/time.c b/time.c
index a628021..e4be7b4 100644
--- a/time.c
+++ b/time.c
_AT_@ -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();
_AT_@ -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:");
Received on Sat Feb 28 2015 - 15:42:54 CET