85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* $NetBSD: ntfs_conv.c,v 1.10 2015/02/20 17:08:13 maxv Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* File name recode stuff.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ntfs_conv.c,v 1.10 2015/02/20 17:08:13 maxv Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/kernel.h>
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#include <sys/mount.h>
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#include <sys/malloc.h>
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#include <fs/ntfs/ntfs.h>
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#include <fs/ntfs/ntfs_inode.h>
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#include <fs/ntfs/ntfs_subr.h>
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/* UTF-8 encoding stuff */
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#include <fs/unicode.h>
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/*
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* Read one wide character off the string, shift the string pointer
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* and return the character.
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*/
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wchar
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ntfs_utf8_wget(const char **str, size_t *sz)
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{
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return (wchar) wget_utf8(str, sz);
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}
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/*
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* Encode wide character and write it to the string. 'n' specifies
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* how much space there is in the string. Returns number of bytes written
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* to the target string.
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*/
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int
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ntfs_utf8_wput(char *s, size_t n, wchar wc)
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{
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return wput_utf8(s, n, (u_int16_t) wc);
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}
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/*
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* Compare two wide characters, returning 1, 0, -1 if the first is
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* bigger, equal or lower than the second.
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*/
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int
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ntfs_utf8_wcmp(wchar wc1, wchar wc2)
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{
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/* no conversions needed for utf8 */
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if (wc1 == wc2)
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return 0;
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else
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return (int) wc1 - (int) wc2;
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}
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