ldlinux: Don't return previous command if user pressenter enter

If the user presses enter at the command prompt then simply print the
command prompt again on a newline - don't re-execute the previous
command.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>

diff --git a/com32/elflink/ldlinux/cli.c b/com32/elflink/ldlinux/cli.c
index 4749dda..3bb7db4 100644 (file)
--- a/com32/elflink/ldlinux/cli.c
+++ b/com32/elflink/ldlinux/cli.c
@@ -451,7 +451,7 @@ const char *edit_cmdline(const char *input, int top /*, int width */ ,
     strcpy(comm_counter->command, ret);
     list_add(&(comm_counter->list), &cli_history_head);
 
-    return ret;
+    return len ? ret : NULL;
 }
 
 static int cli_init(void)