test-lldp: initialize structs when we define them

[elogind.git] / src / libsystemd-network / test-lldp.c

diff --git a/src/libsystemd-network/test-lldp.c b/src/libsystemd-network/test-lldp.c
index e9d5d7bb60e0c72db6fd96cfe79dd39dc46c73eb..f81284e2a7572cd2c78e47d3d7dbdb55a5f72539 100644 (file)
--- a/src/libsystemd-network/test-lldp.c
+++ b/src/libsystemd-network/test-lldp.c
@@ -45,13 +45,13 @@ static struct ether_addr mac_addr = {
 static int lldp_build_tlv_packet(tlv_packet **ret) {
         _cleanup_tlv_packet_free_ tlv_packet *m = NULL;
         const uint8_t lldp_dst[] = LLDP_MULTICAST_ADDR;
-        struct ether_header ether;
+        struct ether_header ether = {
+                .ether_type = htons(ETHERTYPE_LLDP),
+        };
 
         /* Append ethernet header */
-        memset(&ether, 0, sizeof(ether));
         memcpy(&ether.ether_dhost, lldp_dst, ETHER_ADDR_LEN);
         memcpy(&ether.ether_shost, &mac_addr, ETHER_ADDR_LEN);
-        ether.ether_type = htons(ETHERTYPE_LLDP);
 
         assert_se(tlv_packet_new(&m) >= 0);
 
@@ -143,8 +143,8 @@ static int lldp_parse_port_id_tlv(tlv_packet *m) {
         case LLDP_PORT_SUBTYPE_INTERFACE_NAME:
                 assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
 
-                p = malloc0(length + 1);
-                strncpy(p, str, length-1);
+                p = strndup(str, length-1);
+                assert_se(p);
 
                 assert_se(streq(p, TEST_LLDP_PORT) == 1);
                 break;
@@ -164,8 +164,8 @@ static int lldp_parse_system_name_tlv(tlv_packet *m) {
         assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_SYSTEM_NAME) >= 0);
         assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
 
-        p = malloc0(length + 1);
-        strncpy(p, str, length);
+        p = strndup(str, length);
+        assert_se(p);
 
         assert_se(streq(p, TEST_LLDP_TYPE_SYSTEM_NAME) == 1);
 
@@ -181,8 +181,8 @@ static int lldp_parse_system_desc_tlv(tlv_packet *m) {
         assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_SYSTEM_DESCRIPTION) >= 0);
         assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
 
-        p = malloc0(length + 1);
-        strncpy(p, str, length);
+        p = strndup(str, length);
+        assert_se(p);
 
         assert_se(streq(p, TEST_LLDP_TYPE_SYSTEM_DESC) == 1);