[git commit] scriptreplay: show help text if run with no arguments

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=997538ab586e9b061b33c24f2ddced18a0379826
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master


Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 util-linux/scriptreplay.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/util-linux/scriptreplay.c b/util-linux/scriptreplay.c
index 6474d38..d7e1933 100644
--- a/util-linux/scriptreplay.c
+++ b/util-linux/scriptreplay.c
@@ -18,6 +18,9 @@ int scriptreplay_main(int argc UNUSED_PARAM, char **argv)
 	unsigned long count;
 	FILE *tfp;
 
+	if (!argv[1])
+		bb_show_usage();
+
 	if (argv[2]) {
 		script = argv[2];
 		if (argv[3])
-- 
1.6.3.3