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

[git]

commit cb0ef7feb2edd8cc1b87d34b3cdb7ffb97f4e2ca
Author: sin <s...@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
@@ -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:");