X-Git-Url: https://git.tcpdump.org/libpcap/blobdiff_plain/630b3a19cac0efcdc9fb06a773be02efc8c13980..HEAD:/pcap-netmap.c

diff --git a/pcap-netmap.c b/pcap-netmap.c
index 6f334f83..56a6bc41 100644
--- a/pcap-netmap.c
+++ b/pcap-netmap.c
@@ -33,6 +33,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/ioctl.h>
 
 #define NETMAP_WITH_LIBS
 #include <net/netmap_user.h>
@@ -139,7 +140,11 @@ pcap_netmap_ioctl(pcap_t *p, u_long what, uint32_t *if_flags)
 	}
 #endif /* __linux__ */
 	bzero(&ifr, sizeof(ifr));
-	strncpy(ifr.ifr_name, d->req.nr_name, sizeof(ifr.ifr_name));
+	/*
+	 * ifreq.ifr_name and nmreq.nr_name have the same size and both
+	 * contain a NUL-terminated string.
+	 */
+	(void)pcapint_strlcpy(ifr.ifr_name, d->req.nr_name, sizeof(ifr.ifr_name));
 	switch (what) {
 	case SIOCSIFFLAGS:
 		/*