libsystemd-dhcp: Add functions for sending unicast UDP messages

Create a helper functions setting up an unicast DHCP UDP socket and
sending data. Add function stubs for the test program.

[tomegun: initialize structs when allocating, and drop unneccesary 'err']

1 files changed, 11 insertions, 0 deletions

diff --git a/src/libsystemd-dhcp/test-dhcp-client.c b/src/libsystemd-dhcp/test-dhcp-client.c
index 1ff78c1144..617236b5df 100644
--- a/src/libsystemd-dhcp/test-dhcp-client.c
+++ b/src/libsystemd-dhcp/test-dhcp-client.c
@@ -184,6 +184,17 @@ int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link)
         return test_fd[0];
 }
 
+int dhcp_network_bind_udp_socket(int index, be32_t client_address)
+{
+        return 0;
+}
+
+int dhcp_network_send_udp_socket(int s, be32_t server_address,
+                                 const void *packet, size_t len)
+{
+        return 0;
+}
+
 static void test_discover_message(sd_event *e)
 {
         sd_dhcp_client *client;