Do not allow negative or zero delay values from the command line,

use the same check as the -s option. Noticed by johan@

diff --git a/usr.bin/systat/main.c b/usr.bin/systat/main.c
index 7be6527..28ebe0d 100644 (file)
--- a/usr.bin/systat/main.c
+++ b/usr.bin/systat/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.41 2008/07/12 06:20:47 canacar Exp $         */
+/* $Id: main.c,v 1.42 2008/07/31 04:24:11 canacar Exp $         */
 /*
  * Copyright (c) 2001, 2007 Can Erkin Acar
  * Copyright (c) 2001 Daniel Hartmeier
@@ -473,6 +473,8 @@ main(int argc, char *argv[])
        } else if (argc == 2) {
                viewstr = argv[0];
                delay = atof(argv[1]);
+               if (delay <= 0)
+                       delay = 5;
        }
 
        udelay = (useconds_t)(delay * 1000000.0);