use sizeof(), rather than hard-coded number

diff --git a/src/modules/rlm_sql/rlm_sql.c b/src/modules/rlm_sql/rlm_sql.c
index babcc8e..31b7c25 100644 (file)
--- a/src/modules/rlm_sql/rlm_sql.c
+++ b/src/modules/rlm_sql/rlm_sql.c
@@ -425,7 +425,7 @@ static int sql_set_user(SQL_INST *inst, REQUEST *request, char *sqlusername, con
        pairdelete(&request->packet->vps, PW_SQL_USER_NAME);
 
        if (username != NULL) {
-               strlcpy(tmpuser, username, MAX_STRING_LEN);
+               strlcpy(tmpuser, username, sizeof(tmpuser));
        } else if (strlen(inst->config->query_user)) {
                radius_xlat(tmpuser, sizeof(tmpuser), inst->config->query_user, request, NULL);
        } else {