use socketaddr_storage in getsockname

Author: WorldSEnder

support/c/idris_net.c

@@ -160,14 +160,14 @@ int idrnet_getsockname(int sockfd, void *address, void *len) {
 }
 
 int idrnet_sockaddr_port(int sockfd) {
-  struct sockaddr address;
-  socklen_t addrlen = sizeof(struct sockaddr);
-  int res = getsockname(sockfd, &address, &addrlen);
+  struct sockaddr_storage address;
+  socklen_t addrlen = sizeof(struct sockaddr_storage);
+  int res = getsockname(sockfd, (struct sockaddr*)&address, &addrlen);
   if(res < 0) {
     return -1;
   }
 
-  switch(address.sa_family) {
+  switch(address.ss_family) {
   case AF_INET:
     return ntohs(((struct sockaddr_in*)&address)->sin_port);
   case AF_INET6: