watch: If period is negative default to 0.1s

2014-11-30 14:08:20 +00:00 · 2014-11-30 14:08:20 +00:00 · cee1a0170d
parent 703e18185c
commit cee1a0170d
1 changed files with 2 additions and 0 deletions
--- a/watch.c
+++ b/watch.c
@ -28,6 +28,8 @@ main(int argc, char *argv[])
 		period = strtof(EARGF(usage()), &end);
 		if (*end != '\0' || errno != 0)
 			eprintf("invalid interval\n");
+		if (period < 0)
+			period = 0.1f;
 		interval = period * 1E6;
 		break;
 	default: