/* Copyright (C) 1992, 1994, 1997, 1999, 2002 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <errno.h>#include <string.h>#include <sys/socket.h>#include <hurd.h>#include <hurd/fd.h>#include <hurd/socket.h>/* Put the local address of FD into *ADDR and its length in *LEN.  */int__getsockname (fd, addrarg, len)     int fd;     __SOCKADDR_ARG addrarg;     socklen_t *len;{  error_t err;  struct sockaddr *addr = addrarg.__sockaddr__;  char *buf = (char *) addr;  mach_msg_type_number_t buflen = *len;  int type;  addr_port_t aport;  if (err = HURD_DPORT_USE (fd, __socket_name (port, &aport)))    return __hurd_dfail (fd, err);  err = __socket_whatis_address (aport, &type, &buf, &buflen);  __mach_port_deallocate (__mach_task_self (), aport);  if (err)    return __hurd_dfail (fd, err);  if (*len > buflen)    *len = buflen;    if (buf != (char *) addr)    {      memcpy (addr, buf, *len);      __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);    }  addr->sa_family = type;  return 0;}weak_alias (__getsockname, getsockname)