From: Keith Busch <keith.busch@intel.com>
Date: Fri, 2 Mar 2018 15:29:33 +0000 (-0700)
Subject: Don't print non-existent command line options
X-Git-Tag: v1.6~69
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3e4648e38f2f05a78c96200320c4762d4c642972;p=users%2Fhch%2Fnvme-cli.git

Don't print non-existent command line options

Link: https://github.com/linux-nvme/nvme-cli/issues/309
Signed-off-by: Keith Busch <keith.busch@intel.com>
---

diff --git a/argconfig.c b/argconfig.c
index 87cccfb..0eca5ee 100644
--- a/argconfig.c
+++ b/argconfig.c
@@ -128,8 +128,12 @@ void argconfig_print_help(const char *program_desc,
 	       append_usage_str);
 
 	print_word_wrapped(program_desc, 0, 0);
-	printf("\n\n\033[1mOptions:\033[0m\n");
+	printf("\n");
 
+	if (!options || !options->option)
+		return;
+
+	printf("\n\033[1mOptions:\033[0m\n");
 	for (s = options; (s->option != NULL) && (s != NULL); s++)
 		show_option(s);
 }