1 /*
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28
29 #include <stand.h>
30 #include <string.h>
31
32 #include "bootstrap.h"
33
34 int
devopen(struct open_file * f,const char * fname,const char ** file)35 devopen(struct open_file *f, const char *fname, const char **file)
36 {
37 struct devdesc *dev;
38 int result;
39
40 result = archsw.arch_getdev((void **)&dev, fname, file);
41 if (result)
42 return (result);
43
44 /* point to device-specific data so that device open can use it */
45 f->f_dev = dev->d_dev;
46 f->f_devdata = dev;
47 result = dev->d_dev->dv_open(f, dev);
48 if (result != 0) {
49 f->f_devdata = NULL;
50 f->f_dev = NULL;
51 free(dev);
52 }
53
54 return (result);
55 }
56
57 int
devclose(struct open_file * f)58 devclose(struct open_file *f)
59 {
60
61 free(f->f_devdata);
62 return (0);
63 }
64