socket_accept4 should cope with being passed NULL pointers

20 years ago · f141d3e24f
parent 10658ebe60
commit f141d3e24f
1 changed files with 2 additions and 2 deletions
--- a/socket/socket_accept4.c
+++ b/socket/socket_accept4.c
@ -13,7 +13,7 @@ int socket_accept4(int s,char *ip,uint16 *port) {
  int fd;
  if ((fd=accept(s,(void*) &si,&len))==-1)
    return winsock2errno(-1);
-  *(uint32*)ip = *(uint32*)&si.sin_addr;
-  uint16_unpack_big((char *) &si.sin_port,port);
+  if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
+  if (port) uint16_unpack_big((char *) &si.sin_port,port);
  return fd;
 }