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/*
* Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
*
* This program 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 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/************************************************************************/
/* */
/* PROJECT : exFAT & FAT12/16/32 File System */
/* FILE : exfat_nls.h */
/* PURPOSE : Header File for exFAT NLS Manager */
/* */
/*----------------------------------------------------------------------*/
/* NOTES */
/* */
/*----------------------------------------------------------------------*/
/* REVISION HISTORY (Ver 0.9) */
/* */
/* - 2010.11.15 [Joosun Hahn] : first writing */
/* */
/************************************************************************/
#ifndef _EXFAT_NLS_H
#define _EXFAT_NLS_H
#include <linux/types.h>
#include <linux/nls.h>
#include "exfat_config.h"
#include "exfat_api.h"
/*----------------------------------------------------------------------*/
/* Constant & Macro Definitions */
/*----------------------------------------------------------------------*/
#define NUM_UPCASE 2918
#define DOS_CUR_DIR_NAME ". "
#define DOS_PAR_DIR_NAME ".. "
#ifdef __LITTLE_ENDIAN
#define UNI_CUR_DIR_NAME ".\0"
#define UNI_PAR_DIR_NAME ".\0.\0"
#else
#define UNI_CUR_DIR_NAME "\0."
#define UNI_PAR_DIR_NAME "\0.\0."
#endif
/*----------------------------------------------------------------------*/
/* Type Definitions */
/*----------------------------------------------------------------------*/
/* DOS name stucture */
typedef struct {
u8 name[DOS_NAME_LENGTH];
u8 name_case;
} DOS_NAME_T;
/* unicode name stucture */
typedef struct {
u16 name[MAX_NAME_LENGTH];
u16 name_hash;
u8 name_len;
} UNI_NAME_T;
/*----------------------------------------------------------------------*/
/* External Function Declarations */
/*----------------------------------------------------------------------*/
/* NLS management function */
u16 nls_upper(struct super_block *sb, u16 a);
s32 nls_dosname_cmp(struct super_block *sb, u8 *a, u8 *b);
s32 nls_uniname_cmp(struct super_block *sb, u16 *a, u16 *b);
void nls_uniname_to_dosname(struct super_block *sb, DOS_NAME_T *p_dosname, UNI_NAME_T *p_uniname, s32 *p_lossy);
void nls_dosname_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, DOS_NAME_T *p_dosname);
void nls_uniname_to_cstring(struct super_block *sb, u8 *p_cstring, UNI_NAME_T *p_uniname);
void nls_cstring_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, u8 *p_cstring, s32 *p_lossy);
#endif /* _EXFAT_NLS_H */
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