libcgroup: Make cgconfigparser more verbose

As per http://sourceforge.net/tracker/?func=detail&atid=1043649&aid=2128139&group_id=218421
cgconfigparser was not exiting silently for wrong usage.  Let's
let the user know they are using wrong syntax.

Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Tested-by: Sudhir Kumar <sudhir@linux.vnet.ibm.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>



git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@221 4f4bb910-9a46-0410-90c8-c897d4f1cd53

1 files changed, 3 insertions, 1 deletions

diff --git a/cgconfig.c b/cgconfig.c
index 6b59001..16ff63b 100644
--- a/cgconfig.c
+++ b/cgconfig.c
@@ -48,11 +48,13 @@ int main(int argc, char *argv[])
 				printf("return code = %d\n", ret);
 				exit(3);
 			}
-			break;
+			return 0;
 		default:
 			fprintf(stderr, "Invalid command line option\n");
 			break;
 		}
 	}
+	fprintf(stderr, "usage is %s <option> <config file>\n",
+		argv[0]);
 	return 0;
 }