1 /* $NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $ */
2
3 /*
4 * Copyright (c) 2003 Naoto Shimazaki.
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 *
16 * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: devopen.c,v 1.3 2005/12/11 12:17:34 christos Exp $");
30
31 #include <lib/libsa/stand.h>
32 #include <lib/libkern/libkern.h>
33
34 #include "extern.h"
35
36 int
devopen(struct open_file * f,const char * fname,char ** file)37 devopen(struct open_file *f, const char *fname, char **file)
38 {
39 int i;
40 char devname[IFNAME_SIZE];
41 const char *basename;
42
43 for (i = 0; i < IFNAME_SIZE; i++) {
44 if (fname[i] == '\0') {
45 devname[i] = '\0';
46 basename = &fname[i];
47 break;
48 }
49 if (fname[i] == ':') {
50 devname[i] = '\0';
51 basename = &fname[i + 1];
52 break;
53 }
54 devname[i] = fname[i];
55 }
56
57 for (i = 0; i < ndevs; i++) {
58 if (strcmp(devname, devsw[i].dv_name) == 0) {
59 f->f_dev = &devsw[i];
60 return DEV_OPEN(f->f_dev)(f, basename, file);
61 }
62 }
63
64 printf("No such device - Configured devices are:\n");
65 for (i = 0; i < ndevs; i++) {
66 if (devsw[i].dv_name)
67 printf(" %s", devsw[i].dv_name);
68 }
69 printf("\n");
70
71 return ENODEV;
72 }
73