lxc_config: Add -h and --help flags handler

As the other tools already handle, show usage message when -h or --help are used. Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>

lxc_config: Add -h and --help flags handler
3c3e0cb5 · Marcos Paulo de Souza · Christian Brauner · bbcb463c · 3c3e0cb5
Unverified Commit 3c3e0cb5 authored Dec 30, 2017 by Marcos Paulo de Souza Committed by Christian Brauner Feb 07, 2018
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lxc_config.c src/lxc/lxc_config.c +2 -1

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--- a/src/lxc/lxc_config.c
+++ b/src/lxc/lxc_config.c
@@ -59,7 +59,8 @@ int main(int argc, char *argv[])
 {
 	struct lxc_config_items *i;
-	if (argc < 2)
+	if (argc < 2 || strcmp(argv[1], "-h") == 0 ||
+			strcmp(argv[1], "--help") == 0)
 		usage(argv[0]);
 	if (strcmp(argv[1], "-l") == 0)
 		list_config_items();