[BlueZ 05/14] client/main: Fix array access

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Error: CPPCHECK_WARNING (CWE-788): [#def36]
bluez-5.75/client/main.c:833: error[ctuArrayIndex]: Array index out of bounds; 'argv' buffer size is 0 and it is accessed at offset 1.
831|	const char **opt;
832|
833|->	if (!strcmp(argv[1], "help")) {
834|		for (opt = arg_table; opt && *opt; opt++)
835|			bt_shell_printf("%s\n", *opt);
---
 client/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/client/main.c b/client/main.c
index 51d08a67aa1a..f703cc91b24a 100644
--- a/client/main.c
+++ b/client/main.c
@@ -830,6 +830,11 @@ static gboolean parse_argument(int argc, char *argv[], const char **arg_table,
 {
 	const char **opt;
 
+	if (argc < 2) {
+		bt_shell_printf("Missing argument to %s\n", argv[0]);
+		return FALSE;
+	}
+
 	if (!strcmp(argv[1], "help")) {
 		for (opt = arg_table; opt && *opt; opt++)
 			bt_shell_printf("%s\n", *opt);
-- 
2.44.0





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