tp_mac and tp_snaplen are unsigned; print them with %u, not %d.

See, for example, GitHub libpcap issue #404.

1 files changed, 1 insertions, 1 deletions

diff --git a/pcap-linux.c b/pcap-linux.c
index 638b1c00..f8836aff 100644
--- a/pcap-linux.c
+++ b/pcap-linux.c
@@ -3682,7 +3682,7 @@ pcap_read_linux_mmap(pcap_t *handle, int max_packets, pcap_handler callback,
 		if (tp_mac + tp_snaplen > handle->bufsize) {
 			snprintf(handle->errbuf, PCAP_ERRBUF_SIZE, 
 				"corrupted frame on kernel ring mac "
-				"offset %d + caplen %d > frame len %d", 
+				"offset %u + caplen %u > frame len %d", 
 				tp_mac, tp_snaplen, handle->bufsize);
 			return -1;
 		}