1 /* $NetBSD: ntfs_conv.c,v 1.5 2005/02/26 22:58:55 perry Exp $ */
2
3 /*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the NetBSD
18 * Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /*
37 * File name recode stuff.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: ntfs_conv.c,v 1.5 2005/02/26 22:58:55 perry Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/namei.h>
46 #include <sys/proc.h>
47 #include <sys/kernel.h>
48 #include <sys/vnode.h>
49 #include <sys/mount.h>
50 #include <sys/buf.h>
51 #include <sys/file.h>
52 #include <sys/malloc.h>
53 #include <sys/lock.h>
54 #if defined(__FreeBSD__)
55 #include <machine/clock.h>
56 #endif
57
58 #include <miscfs/specfs/specdev.h>
59
60 /* #define NTFS_DEBUG 1 */
61 #include <fs/ntfs/ntfs.h>
62 #include <fs/ntfs/ntfsmount.h>
63 #include <fs/ntfs/ntfs_inode.h>
64 #include <fs/ntfs/ntfs_vfsops.h>
65 #include <fs/ntfs/ntfs_subr.h>
66 #include <fs/ntfs/ntfs_compr.h>
67 #include <fs/ntfs/ntfs_ihash.h>
68
69 /* UTF-8 encoding stuff */
70 #include <fs/unicode.h>
71
72 /*
73 * Read one wide character off the string, shift the string pointer
74 * and return the character.
75 */
76 wchar
77 ntfs_utf8_wget(const char **str, size_t *sz)
78 {
79 return (wchar) wget_utf8(str, sz);
80 }
81
82 /*
83 * Encode wide character and write it to the string. 'n' specifies
84 * how much space there is in the string. Returns number of bytes written
85 * to the target string.
86 */
87 int
88 ntfs_utf8_wput(char *s, size_t n, wchar wc)
89 {
90 return wput_utf8(s, n, (u_int16_t) wc);
91 }
92
93 /*
94 * Compare two wide characters, returning 1, 0, -1 if the first is
95 * bigger, equal or lower than the second.
96 */
97 int
98 ntfs_utf8_wcmp(wchar wc1, wchar wc2)
99 {
100 /* no conversions needed for utf8 */
101
102 if (wc1 == wc2)
103 return 0;
104 else
105 return (int) wc1 - (int) wc2;
106 }
Cache object: 5749058a6470475e3ef9b628850f358c
|