shell: Set empty argument if optarg is NULL

This sets enmpty string ("") when argument don't set any optarg so the
application can tell when an option was set or not.

Signed-off-by: Manika Shrivastava <manika.sh@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>

diff --git a/src/shared/shell.c b/src/shared/shell.c
index a83e2bd..4cf0cda 100644 (file)
--- a/src/shared/shell.c
+++ b/src/shared/shell.c
@@ -1157,7 +1157,7 @@ void bt_shell_init(int argc, char **argv, const struct bt_shell_opt *opt)
                                return;
                        }
 
-                       *opt->optarg[index - offset] = optarg;
+                       *opt->optarg[index - offset] = optarg ? : "";
                }
 
                index = -1;