Use signed formats for signed values

diff --git a/tcpdump.c b/tcpdump.c
index 19e2d6191d8dc408c0f1d8338b43a128c8b58c21..62af381c524b7c011fe1d75b2885dfcf4a2ea2c7 100644 (file)
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -2380,10 +2380,10 @@ DIAG_ON_CLANG(assign-enum)
                dlt = pcap_datalink(pd);
                dlt_name = pcap_datalink_val_to_name(dlt);
                if (dlt_name == NULL) {
-                       (void)fprintf(stderr, "listening on %s, link-type %u, capture size %u bytes\n",
+                       (void)fprintf(stderr, "listening on %s, link-type %u, capture size %d bytes\n",
                            device, dlt, ndo->ndo_snaplen);
                } else {
-                       (void)fprintf(stderr, "listening on %s, link-type %s (%s), capture size %u bytes\n",
+                       (void)fprintf(stderr, "listening on %s, link-type %s (%s), capture size %d bytes\n",
                            device, dlt_name,
                            pcap_datalink_val_to_description(dlt), ndo->ndo_snaplen);
                }