Check for zero integer, not zero character

diff --git a/src/modules/rlm_sql/rlm_sql.c b/src/modules/rlm_sql/rlm_sql.c
index 262f4e1a89439e323b952d4bd1894b0a3dd06927..713fd4fc0d2e232909e2f3b82dff34d18040e6f1 100644 (file)
--- a/src/modules/rlm_sql/rlm_sql.c
+++ b/src/modules/rlm_sql/rlm_sql.c
@@ -1504,7 +1504,7 @@ static rlm_rcode_t mod_checksimul(void *instance, REQUEST * request)
                return RLM_MODULE_NOOP;
        }
 
-       if ((!request->username) || (request->username->vp_length == '\0')) {
+       if ((!request->username) || (request->username->vp_length == 0)) {
                REDEBUG("Zero Length username not permitted");
 
                return RLM_MODULE_INVALID;