1 /* $NetBSD: openraw.c,v 1.3 2009/03/14 21:04:06 dsl Exp $ */
2
3 /*
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Julian Coleman, Waldi Ravens and Leo Weppelman.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "privahdi.h"
33 #include <fcntl.h>
34 #include <paths.h>
35 #include <stdio.h>
36 #include <machine/disklabel.h>
37
38 /*
39 * Open raw disk partition.
40 */
41 int
openraw(const char * name,int flags)42 openraw (const char *name, int flags)
43 {
44 char buf[MAXPATHLEN];
45 int f;
46
47 if ((f = open (name, flags)) != -1)
48 return (f);
49
50 snprintf (buf, MAXPATHLEN, "r%s%c", name, RAW_PART + 'a');
51 if ((f = open (buf, flags)) != -1)
52 return (f);
53
54 snprintf (buf, MAXPATHLEN, "%sr%s%c", _PATH_DEV, name, RAW_PART + 'a');
55 if ((f = open (buf, flags)) != -1)
56 return (f);
57
58 return (0);
59 }
60