| /* Copyright (C) 1992-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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) |