Remove unused function declaration.

[meshlink] / src / protocol.c

diff --git a/src/protocol.c b/src/protocol.c
index 1c5b6cfd9c1d43dba0c6a2e21defabdb4c431209..1153d61fed56017f9ca07638cb869012b5959d7b 100644 (file)
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -56,6 +56,9 @@ static char (*request_name[]) = {
 static splay_tree_t *past_request_tree;
 
 bool check_id(const char *id) {
+       if(!id || !*id)
+               return false;
+
        for(; *id; id++)
                if(!isalnum(*id) && *id != '_')
                        return false;