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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/mach/hurd/sendto.c
1 /* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
21 #include <sys/socket.h>
23 #include <hurd/socket.h>
26 #include <hurd/ifsock.h>
28 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
29 ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
31 DEFUN(sendto
, (fd
, buf
, n
, flags
, addr
, addr_len
),
32 int fd AND
const PTR buf AND
size_t n AND
int flags AND
33 const struct sockaddr_un
*addr AND
size_t addr_len
)
39 if (addr
->sun_family
== AF_LOCAL
)
41 /* For the local domain, we must look up the name as a file and talk
42 to it with the ifsock protocol. */
43 file_t file
= __file_name_lookup (addr
->sun_path
, 0, 0);
44 if (file
== MACH_PORT_NULL
)
46 err
= __ifsock_getsockaddr (file
, &aport
);
47 __mach_port_deallocate (__mach_task_self (), file
);
48 if (err
== MIG_BAD_ID
|| err
== EOPNOTSUPP
)
49 /* The file did not grok the ifsock protocol. */
52 return __hurd_fail (err
);
57 /* Get an address port for the desired destination address. */
58 err
= HURD_DPORT_USE (fd
,
61 err
= __socket_create_address (port
,
69 err
= __socket_send (port
, aport
,
72 MACH_MSG_TYPE_COPY_SEND
, 0,
74 __mach_port_deallocate (__mach_task_self (),
80 return err
? __hurd_dfail (fd
, err
) : wrote
;