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/* Copyright (C) 1994, 1995 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/socket.h>
#include <hurd/fd.h>
#include <sys/un.h>
#include <hurd/ifsock.h>
/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
int
DEFUN(sendto, (fd, buf, n, flags, addr, addr_len),
int fd AND PTR buf AND size_t n AND int flags AND
struct sockaddr *addr AND size_t addr_len)
{
addr_port_t aport;
error_t err;
int wrote;
if (addr->sa_family == AF_LOCAL)
{
/* For the local domain, we must look up the name as a file and talk
to it with the ifsock protocol. */
struct sockaddr_un *unaddr = (struct sockaddr_un *) addr;
file_t file = __file_name_lookup (unaddr->sun_path, 0, 0);
if (file == MACH_PORT_NULL)
return -1;
err = __ifsock_getsockaddr (file, &aport);
__mach_port_deallocate (__mach_task_self (), file);
if (err == MIG_BAD_ID || err == EOPNOTSUPP)
/* The file did not grok the ifsock protocol. */
err = ENOTSOCK;
if (err)
return __hurd_fail (err);
}
else
err = EIEIO;
/* Get an address port for the desired destination address. */
err = HURD_DPORT_USE (fd,
({
if (err)
err = __socket_create_address (port,
addr->sa_family,
(char *) addr,
addr_len,
&aport);
if (! err)
{
/* Send the data. */
err = __socket_send (port, aport,
flags, buf, n,
NULL,
MACH_MSG_TYPE_COPY_SEND, 0,
NULL, 0, &wrote);
__mach_port_deallocate (__mach_task_self (),
aport);
}
err;
}));
return err ? __hurd_dfail (fd, err) : wrote;
}
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