doveadm: Assert-crash if empty referral is attempted to be sent

This shouldn't happen anymore after allocating referral from the context
pool.

diff --git a/src/doveadm/client-connection-tcp.c b/src/doveadm/client-connection-tcp.c
index 3763f0ae8c24ed36ea41164c9e1e9e91abe20a2c..777042f554f03f41c7c72811dee02f65035b6b15 100644 (file)
--- a/src/doveadm/client-connection-tcp.c
+++ b/src/doveadm/client-connection-tcp.c
@@ -163,6 +163,7 @@ doveadm_cmd_server_post(struct client_connection_tcp *conn,
        const char *str = NULL;
 
        if (cctx->referral != NULL) {
+               i_assert(cctx->referral[0] != '\0');
                o_stream_nsend_str(conn->output, t_strdup_printf(
                        "\n-REFERRAL %s\n", cctx->referral));
                return;