Imported Upstream version 1.24

[platform/upstream/connman.git] / tools / tap-test.c

diff --git a/tools/tap-test.c b/tools/tap-test.c
index 1074c9c..fdc098a 100644 (file)
--- a/tools/tap-test.c
+++ b/tools/tap-test.c
@@ -49,7 +49,7 @@ static int inet_ifup(const char *ifname)
                return -errno;
 
        memset(&ifr, 0, sizeof(ifr));
-       strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+       strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
 
        if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
                err = -errno;
@@ -89,7 +89,7 @@ static int create_tap(const char *ifname)
 
        memset(&ifr, 0, sizeof(ifr));
        ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
-       strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+       strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
 
        if (ioctl(fd, TUNSETIFF, (void *) &ifr) < 0) {
                perror("Failed to set TUN/TAP interface");