glibc/sysdeps/mach/hurd/sendto.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

84 lines
2.5 KiB
C

/* Copyright (C) 1994, 1995, 1996, 1997, 1999, 2001 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 <sys/socket.h>
#include <sys/un.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <hurd/ifsock.h>
#include <hurd/socket.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. */
ssize_t
sendto (int fd,
const void *buf,
size_t n,
int flags,
const struct sockaddr_un *addr,
socklen_t addr_len)
{
addr_port_t aport;
error_t err;
int wrote;
if (addr->sun_family == AF_LOCAL)
{
/* For the local domain, we must look up the name as a file and talk
to it with the ifsock protocol. */
file_t file = __file_name_lookup (addr->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->sun_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;
}