lua: fix query string handling, the QUERY_STRING environment variable must not contain the leading question mark

1 files changed, 2 insertions, 1 deletions

diff --git a/lua.c b/lua.c
index c6f27e9..55efaaa 100644
--- a/lua.c
+++ b/lua.c
@@ -218,7 +218,8 @@ static void lua_main(struct client *cl, struct path_info *pi, char *url)
 	path_len = strlen(url);
 	str = strchr(url, '?');
 	if (str) {
-		pi->query = str;
+		if (*(str + 1))
+			pi->query = str + 1;
 		path_len = str - url;
 	}
 	if (path_len > prefix_len) {