From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 21 Apr 2006 22:04:05 +0000 (-0000)
Subject: Jason Schoon writes: Attached is a patch to display the usage message if fuser is... 
X-Git-Tag: 1_2_0~487
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=70cbb6e02626608c95a74e74bdc51bbbf7fb570b;p=oweals%2Fbusybox.git

Jason Schoon writes: Attached is a patch to display the usage message if fuser is called with no arguments, rather than doing no work and failing silently.
---

diff --git a/procps/fuser.c b/procps/fuser.c
index 850626e42..35d77ed1c 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -326,6 +326,9 @@ int fuser_main(int argc, char **argv)
 	int killsig = SIGTERM;
 	int success = 1;
 
+	if (argc < 2)
+		bb_show_usage();
+
 	fni = xmalloc(sizeof(int));
 	for(i=1;i<argc;i++) {
 		optn = fuser_option(argv[i]);