1/*	$NetBSD$	*/
2
3/*-
4 * Copyright (c) 2001 Ben Harris
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <lib/libsa/stand.h>
31#include <riscoscalls.h>
32
33#include <stdarg.h>
34
35struct riscosdisk {
36	int	drive;
37	/* SWI numbers */
38	int	describe_disc;
39	int	disc_op;
40};
41
42int
43rodisk_open(struct open_file *f, ...)
44{
45	va_list ap;
46	char const *fsname;
47	int drive;
48	size_t buflen;
49	char *buf;
50	struct riscosdisk *rd;
51
52	va_start(ap, f);
53	fsname = va_arg(ap, char const *);
54	drive = va_arg(ap, int);
55	va_end(ap);
56
57	rd = (struct riscosdisk *) alloc(sizeof(*rd));
58
59	buflen = strlen(fsname) + 13;
60	buf = alloc(buflen);
61	sprintf(buf, "%s_DescribeDisc", fsname);
62	if (xos_swi_number_from_string(buf, &rd->describe_disc) != NULL)
63		return ENODEV;
64	sprintf(buf, "%s_DiscOp", fsname);
65	if (xos_swi_number_from_string(buf, &rd->disc_op) != NULL)
66		return ENODEV;
67
68
69
70