check the result from dns_message_headertotext

diff --git a/bin/tools/mdig.c b/bin/tools/mdig.c
index 6188f9a0385404b0b006ca2d96d0b18b9b6eef6c..06870d51b1ba323865121479a5f652457b0de240 100644 (file)
--- a/bin/tools/mdig.c
+++ b/bin/tools/mdig.c
@@ -364,6 +364,7 @@ recvresponse(isc_task_t *task, isc_event_t *event) {
 
                printf("    %s:\n", "response_message_data");
                result = dns_message_headertotext(response, style, flags, buf);
+               CHECK("dns_message_headertotext", result);
        } else if (display_comments && !display_short_form) {
                printf(";; Got answer:\n");