/* Copyright (C) 1992, 1994 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ansidecl.h> #include <errno.h> #include <sys/socket.h> #include <hurd.h> #include <hurd/fd.h> #include <hurd/socket.h> #include <string.h> /* Put the local address of FD into *ADDR and its length in *LEN. */ int DEFUN(getsockname, (fd, addr, len), int fd AND struct sockaddr *addr AND size_t *len) { error_t err; 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 (buf != (char *) addr) { if (*len < buflen) *len = buflen; memcpy (addr, buf, *len); __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); } addr->sa_family = type; return 0; }