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/* Copyright (C) 1992, 1994, 1997 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#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
getsockname (fd, addr, len)
int fd;
struct sockaddr *addr;
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;
}
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