glibc/sysdeps/mach/hurd/getsockopt.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

58 lines
1.8 KiB
C

/* Copyright (C) 1992,94,97,2001 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 <hurd.h>
#include <hurd/fd.h>
#include <hurd/socket.h>
#include <string.h>
/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
actual length. Returns 0 on success, -1 for errors. */
/* XXX should be __getsockopt ? */
int
getsockopt (fd, level, optname, optval, optlen)
int fd;
int level;
int optname;
void *optval;
size_t *optlen;
{
error_t err;
char *buf = optval;
mach_msg_type_number_t buflen = *optlen;
if (err = HURD_DPORT_USE (fd, __socket_getopt (port,
level, optname,
&buf, &buflen)))
return __hurd_dfail (fd, err);
if (*optlen > buflen)
*optlen = buflen;
if (buf != optval)
{
memcpy (optval, buf, *optlen);
__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
}
return 0;
}