[Linux-NTFS-cvs] CVS: linux-ntfs/include ntfs_unicode.h,NONE,1.1

[Anton A. <an...@us...>]

Changes by: antona

Update of /cvsroot/linux-ntfs/linux-ntfs/include
In directory usw-pr-cvs1:/tmp/cvs-serv11151/include

Added Files:
	ntfs_unicode.h 
Log Message:
Added ntfs specific Unicode wcsncmp and wcsncasecmp functionality.


--- NEW FILE ---
/*
 * ntfs_unicode.h - Exports for unicode string handling. Part of the
 * 		    Linux-NTFS project.
 *
 * Copyright (c) 2000,2001 Anton Altaparmakov.
 *
 * This program/include file is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program/include file is distributed in the hope that it will be 
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty 
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (in the main directory of the Linux-NTFS 
 * distribution in the file COPYING); if not, write to the Free Software
 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef NTFS_UNICODE_H
#define NTFS_UNICODE_H

#include "endians.h"
#include "wchar.h"
/*
 * This would be defining wchar_t in the kernel, but stdio.h defines it for
 * userspace.
 */
/* #include <linux/nls.h> */

/**
 * ntfs_wcsncmp - compare two little endian Unicode strings
 * @s1:		first string
 * @s2:		second string
 * @n:		maximum unicode characters to compare
 *
 * Compare the first @n characters of the Unicode strings @s1 and @s2,
 * The strings in little endian format and appropriate le16_to_cpu()
 * conversion is performed on non-little endian machines.
 * 
 * The function returns an integer less than, equal to, or greater than zero
 * if @s1 (or the first @n Unicode characters thereof) is found, respectively,
 * to be less than, to match, or be greater than @s2.
 */
int ntfs_wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n);

/**
 * ntfs_wcsncasecmp - compare two little endian Unicode strings, ignoring case
 * @s1:			first string
 * @s2:			second string
 * @n:			maximum unicode characters to compare
 * @upcase:		upcase table
 * @upcase_size:	upcase table size in Unicode characters
 *
 * Compare the first @n characters of the Unicode strings @s1 and @s2,
 * ignoring case. The strings in little endian format and appropriate
 * le16_to_cpu() conversion is performed on non-little endian machines.
 * 
 * Each character is uppercased using the @upcase table before the comparison.
 *
 * The function returns an integer less than, equal to, or greater than zero
 * if @s1 (or the first @n Unicode characters thereof) is found, respectively,
 * to be less than, to match, or be greater than @s2.
 */
int ntfs_wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n,
		     const wchar_t *upcase, const __u32 upcase_size);

#endif /* defined NTFS_UNICODE_H */