command: Fix formatting for empty usage string

Introduced by requirement in 54d6330b.

Change-Id: If3dba057127b54b15ca7f364f37c6286d34f77e0
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Reviewed-on: http://openocd.zylin.com/1858
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/src/helper/command.c b/src/helper/command.c
index 85abe6bcf0328ff4c4d1fbec32b223107d6af95a..21362a619f483df9b1fa5fa66155b22555f402c7 100644 (file)
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -868,7 +868,7 @@ static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
        free(cmd_name);
 
        if (is_match) {
-               if (c->usage) {
+               if (c->usage && strlen(c->usage) > 0) {
                        LOG_USER_N(" ");
                        command_help_show_wrap(c->usage, 0, n + 5);
                } else