release/src-rt/linux/linux-2.6/fs/exfat/exfat_nls.h

   1 /*
   2  *  Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
   3  *
   4  *  This program is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU General Public License
   6  *  as published by the Free Software Foundation; either version 2
   7  *  of the License, or (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 /************************************************************************/
  20 /*                                                                      */
  21 /*  PROJECT : exFAT & FAT12/16/32 File System                           */
  22 /*  FILE    : exfat_nls.h                                               */
  23 /*  PURPOSE : Header File for exFAT NLS Manager                         */
  24 /*                                                                      */
  25 /*----------------------------------------------------------------------*/
  26 /*  NOTES                                                               */
  27 /*                                                                      */
  28 /*----------------------------------------------------------------------*/
  29 /*  REVISION HISTORY (Ver 0.9)                                          */
  30 /*                                                                      */
  31 /*  - 2010.11.15 [Joosun Hahn] : first writing                          */
  32 /*                                                                      */
  33 /************************************************************************/
  34
  35 #ifndef _EXFAT_NLS_H
  36 #define _EXFAT_NLS_H
  37
  38 #include <linux/nls.h>
  39
  40 #include "exfat_config.h"
  41 #include "exfat_global.h"
  42 #include "exfat_api.h"
  43
  44 #ifdef __cplusplus
  45 extern "C" {
  46 #endif /* __cplusplus */
  47
  48   /*----------------------------------------------------------------------*/
  49         /*  Constant & Macro Definitions                                        */
  50         /*----------------------------------------------------------------------*/
  51
  52 #define NUM_UPCASE              2918
  53
  54 #define DOS_CUR_DIR_NAME        ".          "
  55 #define DOS_PAR_DIR_NAME        "..         "
  56
  57 #ifdef __LITTLE_ENDIAN
  58 #define UNI_CUR_DIR_NAME        ".\0"
  59 #define UNI_PAR_DIR_NAME        ".\0.\0"
  60 #else
  61 #define UNI_CUR_DIR_NAME        "\0."
  62 #define UNI_PAR_DIR_NAME        "\0.\0."
  63 #endif
  64
  65 /*----------------------------------------------------------------------*/
  66 /*  Type Definitions                                                    */
  67 /*----------------------------------------------------------------------*/
  68
  69 /* DOS name stucture */
  70 typedef struct {
  71         UINT8       name[DOS_NAME_LENGTH];
  72         UINT8       name_case;
  73 } DOS_NAME_T;
  74
  75 /* unicode name stucture */
  76 typedef struct {
  77         UINT16      name[MAX_NAME_LENGTH];
  78         UINT16      name_hash;
  79         UINT8       name_len;
  80 } UNI_NAME_T;
  81
  82 /*----------------------------------------------------------------------*/
  83 /*  External Function Declarations                                      */
  84 /*----------------------------------------------------------------------*/
  85
  86 /* NLS management function */
  87 UINT16 nls_upper(struct super_block *sb, UINT16 a);
  88 INT32  nls_dosname_cmp(struct super_block *sb, UINT8 *a, UINT8 *b);
  89 INT32  nls_uniname_cmp(struct super_block *sb, UINT16 *a, UINT16 *b);
  90 void   nls_uniname_to_dosname(struct super_block *sb, DOS_NAME_T *p_dosname, UNI_NAME_T *p_uniname, INT32 *p_lossy);
  91 void   nls_dosname_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, DOS_NAME_T *p_dosname);
  92 void   nls_uniname_to_cstring(struct super_block *sb, UINT8 *p_cstring, UNI_NAME_T *p_uniname);
  93 void   nls_cstring_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, UINT8 *p_cstring, INT32 *p_lossy);
  94
  95 #ifdef __cplusplus
  96 }
  97 #endif /* __cplusplus */
  98
  99 #endif /* _EXFAT_NLS_H */
 100
 101 /* end of exfat_nls.h */