LXR linux/fs/nls/nls

   1/*
   2 * linux/fs/nls/nls_cp852.c
   3 *
   4 * Charset cp852 translation tables.
   5 * Generated automatically from the Unicode and charset
   6 * tables from the Unicode Organization (www.unicode.org).
   7 * The Unicode to charset table has only exact mappings.
   8 */
   9
  10#include <linux/module.h>
  11#include <linux/kernel.h>
  12#include <linux/string.h>
  13#include <linux/nls.h>
  14#include <linux/errno.h>
  15
  16static const wchar_t charset2uni[256] = {
  17        /* 0x00*/
  18        0x0000, 0x0001, 0x0002, 0x0003,
  19        0x0004, 0x0005, 0x0006, 0x0007,
  20        0x0008, 0x0009, 0x000a, 0x000b,
  21        0x000c, 0x000d, 0x000e, 0x000f,
  22        /* 0x10*/
  23        0x0010, 0x0011, 0x0012, 0x0013,
  24        0x0014, 0x0015, 0x0016, 0x0017,
  25        0x0018, 0x0019, 0x001a, 0x001b,
  26        0x001c, 0x001d, 0x001e, 0x001f,
  27        /* 0x20*/
  28        0x0020, 0x0021, 0x0022, 0x0023,
  29        0x0024, 0x0025, 0x0026, 0x0027,
  30        0x0028, 0x0029, 0x002a, 0x002b,
  31        0x002c, 0x002d, 0x002e, 0x002f,
  32        /* 0x30*/
  33        0x0030, 0x0031, 0x0032, 0x0033,
  34        0x0034, 0x0035, 0x0036, 0x0037,
  35        0x0038, 0x0039, 0x003a, 0x003b,
  36        0x003c, 0x003d, 0x003e, 0x003f,
  37        /* 0x40*/
  38        0x0040, 0x0041, 0x0042, 0x0043,
  39        0x0044, 0x0045, 0x0046, 0x0047,
  40        0x0048, 0x0049, 0x004a, 0x004b,
  41        0x004c, 0x004d, 0x004e, 0x004f,
  42        /* 0x50*/
  43        0x0050, 0x0051, 0x0052, 0x0053,
  44        0x0054, 0x0055, 0x0056, 0x0057,
  45        0x0058, 0x0059, 0x005a, 0x005b,
  46        0x005c, 0x005d, 0x005e, 0x005f,
  47        /* 0x60*/
  48        0x0060, 0x0061, 0x0062, 0x0063,
  49        0x0064, 0x0065, 0x0066, 0x0067,
  50        0x0068, 0x0069, 0x006a, 0x006b,
  51        0x006c, 0x006d, 0x006e, 0x006f,
  52        /* 0x70*/
  53        0x0070, 0x0071, 0x0072, 0x0073,
  54        0x0074, 0x0075, 0x0076, 0x0077,
  55        0x0078, 0x0079, 0x007a, 0x007b,
  56        0x007c, 0x007d, 0x007e, 0x007f,
  57        /* 0x80*/
  58        0x00c7, 0x00fc, 0x00e9, 0x00e2,
  59        0x00e4, 0x016f, 0x0107, 0x00e7,
  60        0x0142, 0x00eb, 0x0150, 0x0151,
  61        0x00ee, 0x0179, 0x00c4, 0x0106,
  62        /* 0x90*/
  63        0x00c9, 0x0139, 0x013a, 0x00f4,
  64        0x00f6, 0x013d, 0x013e, 0x015a,
  65        0x015b, 0x00d6, 0x00dc, 0x0164,
  66        0x0165, 0x0141, 0x00d7, 0x010d,
  67        /* 0xa0*/
  68        0x00e1, 0x00ed, 0x00f3, 0x00fa,
  69        0x0104, 0x0105, 0x017d, 0x017e,
  70        0x0118, 0x0119, 0x00ac, 0x017a,
  71        0x010c, 0x015f, 0x00ab, 0x00bb,
  72        /* 0xb0*/
  73        0x2591, 0x2592, 0x2593, 0x2502,
  74        0x2524, 0x00c1, 0x00c2, 0x011a,
  75        0x015e, 0x2563, 0x2551, 0x2557,
  76        0x255d, 0x017b, 0x017c, 0x2510,
  77        /* 0xc0*/
  78        0x2514, 0x2534, 0x252c, 0x251c,
  79        0x2500, 0x253c, 0x0102, 0x0103,
  80        0x255a, 0x2554, 0x2569, 0x2566,
  81        0x2560, 0x2550, 0x256c, 0x00a4,
  82        /* 0xd0*/
  83        0x0111, 0x0110, 0x010e, 0x00cb,
  84        0x010f, 0x0147, 0x00cd, 0x00ce,
  85        0x011b, 0x2518, 0x250c, 0x2588,
  86        0x2584, 0x0162, 0x016e, 0x2580,
  87        /* 0xe0*/
  88        0x00d3, 0x00df, 0x00d4, 0x0143,
  89        0x0144, 0x0148, 0x0160, 0x0161,
  90        0x0154, 0x00da, 0x0155, 0x0170,
  91        0x00fd, 0x00dd, 0x0163, 0x00b4,
  92        /* 0xf0*/
  93        0x00ad, 0x02dd, 0x02db, 0x02c7,
  94        0x02d8, 0x00a7, 0x00f7, 0x00b8,
  95        0x00b0, 0x00a8, 0x02d9, 0x0171,
  96        0x0158, 0x0159, 0x25a0, 0x00a0,
  97};
  98
  99static const unsigned char page00[256] = {
 100        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 101        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 102        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
 103        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
 104        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
 105        0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
 106        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
 107        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
 108        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
 109        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
 110        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
 111        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
 112        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
 113        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
 114        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
 115        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 116
 117        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 118        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 119        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 120        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
 121        0xff, 0x00, 0x00, 0x00, 0xcf, 0x00, 0x00, 0xf5, /* 0xa0-0xa7 */
 122        0xf9, 0x00, 0x00, 0xae, 0xaa, 0xf0, 0x00, 0x00, /* 0xa8-0xaf */
 123        0xf8, 0x00, 0x00, 0x00, 0xef, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
 124        0xf7, 0x00, 0x00, 0xaf, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
 125        0x00, 0xb5, 0xb6, 0x00, 0x8e, 0x00, 0x00, 0x80, /* 0xc0-0xc7 */
 126        0x00, 0x90, 0x00, 0xd3, 0x00, 0xd6, 0xd7, 0x00, /* 0xc8-0xcf */
 127        0x00, 0x00, 0x00, 0xe0, 0xe2, 0x00, 0x99, 0x9e, /* 0xd0-0xd7 */
 128        0x00, 0x00, 0xe9, 0x00, 0x9a, 0xed, 0x00, 0xe1, /* 0xd8-0xdf */
 129        0x00, 0xa0, 0x83, 0x00, 0x84, 0x00, 0x00, 0x87, /* 0xe0-0xe7 */
 130        0x00, 0x82, 0x00, 0x89, 0x00, 0xa1, 0x8c, 0x00, /* 0xe8-0xef */
 131        0x00, 0x00, 0x00, 0xa2, 0x93, 0x00, 0x94, 0xf6, /* 0xf0-0xf7 */
 132        0x00, 0x00, 0xa3, 0x00, 0x81, 0xec, 0x00, 0x00, /* 0xf8-0xff */
 133};
 134
 135static const unsigned char page01[256] = {
 136        0x00, 0x00, 0xc6, 0xc7, 0xa4, 0xa5, 0x8f, 0x86, /* 0x00-0x07 */
 137        0x00, 0x00, 0x00, 0x00, 0xac, 0x9f, 0xd2, 0xd4, /* 0x08-0x0f */
 138        0xd1, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 139        0xa8, 0xa9, 0xb7, 0xd8, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 140        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 141        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 142        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 143        0x00, 0x91, 0x92, 0x00, 0x00, 0x95, 0x96, 0x00, /* 0x38-0x3f */
 144        0x00, 0x9d, 0x88, 0xe3, 0xe4, 0x00, 0x00, 0xd5, /* 0x40-0x47 */
 145        0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 146        0x8a, 0x8b, 0x00, 0x00, 0xe8, 0xea, 0x00, 0x00, /* 0x50-0x57 */
 147        0xfc, 0xfd, 0x97, 0x98, 0x00, 0x00, 0xb8, 0xad, /* 0x58-0x5f */
 148        0xe6, 0xe7, 0xdd, 0xee, 0x9b, 0x9c, 0x00, 0x00, /* 0x60-0x67 */
 149        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x85, /* 0x68-0x6f */
 150        0xeb, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
 151        0x00, 0x8d, 0xab, 0xbd, 0xbe, 0xa6, 0xa7, 0x00, /* 0x78-0x7f */
 152};
 153
 154static const unsigned char page02[256] = {
 155        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 156        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 157        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 158        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 159        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 160        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 161        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 162        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 163        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 164        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 165        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
 166        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
 167        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
 168        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
 169        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
 170        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
 171
 172        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 173        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 174        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 175        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
 176        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
 177        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
 178        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
 179        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
 180        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, /* 0xc0-0xc7 */
 181        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
 182        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
 183        0xf4, 0xfa, 0x00, 0xf2, 0x00, 0xf1, 0x00, 0x00, /* 0xd8-0xdf */
 184};
 185
 186static const unsigned char page25[256] = {
 187        0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 188        0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 189        0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 190        0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 191        0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 192        0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 193        0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 194        0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 195        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 196        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 197        0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */
 198        0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */
 199        0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */
 200        0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
 201        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
 202        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
 203
 204        0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 205        0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 206        0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 207        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
 208        0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
 209};
 210
 211static const unsigned char *const page_uni2charset[256] = {
 212        page00, page01, page02, NULL,   NULL,   NULL,   NULL,   NULL,   
 213        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 214        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 215        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 216        NULL,   NULL,   NULL,   NULL,   NULL,   page25, NULL,   NULL,   
 217};
 218
 219static const unsigned char charset2lower[256] = {
 220        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 221        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 222        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
 223        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
 224        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
 225        0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
 226        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
 227        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
 228        0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
 229        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
 230        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
 231        0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
 232        0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
 233        0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
 234        0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
 235        0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 236
 237        0x87, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
 238        0x88, 0x89, 0x8b, 0x8b, 0x8c, 0xab, 0x84, 0x86, /* 0x88-0x8f */
 239        0x82, 0x92, 0x92, 0x93, 0x94, 0x96, 0x96, 0x98, /* 0x90-0x97 */
 240        0x98, 0x94, 0x81, 0x9c, 0x9c, 0x88, 0x9e, 0x9f, /* 0x98-0x9f */
 241        0xa0, 0xa1, 0xa2, 0xa3, 0xa5, 0xa5, 0xa7, 0xa7, /* 0xa0-0xa7 */
 242        0xa9, 0xa9, 0xaa, 0xab, 0x9f, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
 243        0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xa0, 0x83, 0xd8, /* 0xb0-0xb7 */
 244        0xad, 0xb9, 0xba, 0xbb, 0xbc, 0xbe, 0xbe, 0xbf, /* 0xb8-0xbf */
 245        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc7, 0xc7, /* 0xc0-0xc7 */
 246        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
 247        0xd0, 0xd0, 0xd4, 0x89, 0xd4, 0xe5, 0xa1, 0x8c, /* 0xd0-0xd7 */
 248        0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xee, 0x85, 0xdf, /* 0xd8-0xdf */
 249        0xa2, 0xe1, 0x93, 0xe4, 0xe4, 0xe5, 0xe7, 0xe7, /* 0xe0-0xe7 */
 250        0xea, 0xa3, 0xea, 0xfb, 0xec, 0xec, 0xee, 0xef, /* 0xe8-0xef */
 251        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
 252        0xf8, 0xf9, 0xfa, 0xfb, 0xfd, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
 253};
 254
 255static const unsigned char charset2upper[256] = {
 256        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 257        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 258        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
 259        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
 260        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
 261        0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
 262        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
 263        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
 264        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
 265        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
 266        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
 267        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
 268        0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
 269        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
 270        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
 271        0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 272
 273        0x80, 0x9a, 0x90, 0xb6, 0x8e, 0xde, 0x8f, 0x80, /* 0x80-0x87 */
 274        0x9d, 0xd3, 0x8a, 0x8a, 0xd7, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
 275        0x90, 0x91, 0x91, 0xe2, 0x99, 0x95, 0x95, 0x97, /* 0x90-0x97 */
 276        0x97, 0x99, 0x9a, 0x9b, 0x9b, 0x9d, 0x9e, 0xac, /* 0x98-0x9f */
 277        0xb5, 0xd6, 0xe0, 0xe9, 0xa4, 0xa4, 0xa6, 0xa6, /* 0xa0-0xa7 */
 278        0xa8, 0xa8, 0xaa, 0x8d, 0xac, 0xb8, 0xae, 0xaf, /* 0xa8-0xaf */
 279        0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
 280        0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbd, 0xbf, /* 0xb8-0xbf */
 281        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc6, /* 0xc0-0xc7 */
 282        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
 283        0xd1, 0xd1, 0xd2, 0xd3, 0xd2, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
 284        0xb7, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
 285        0xe0, 0xe1, 0xe2, 0xe3, 0xe3, 0xd5, 0xe6, 0xe6, /* 0xe0-0xe7 */
 286        0xe8, 0xe9, 0xe8, 0xeb, 0xed, 0xed, 0xdd, 0xef, /* 0xe8-0xef */
 287        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
 288        0xf8, 0xf9, 0xfa, 0xeb, 0xfc, 0xfc, 0xfe, 0xff, /* 0xf8-0xff */
 289};
 290
 291static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
 292{
 293        const unsigned char *uni2charset;
 294        unsigned char cl = uni & 0x00ff;
 295        unsigned char ch = (uni & 0xff00) >> 8;
 296
 297        if (boundlen <= 0)
 298                return -ENAMETOOLONG;
 299
 300        uni2charset = page_uni2charset[ch];
 301        if (uni2charset && uni2charset[cl])
 302                out[0] = uni2charset[cl];
 303        else
 304                return -EINVAL;
 305        return 1;
 306}
 307
 308static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
 309{
 310        *uni = charset2uni[*rawstring];
 311        if (*uni == 0x0000)
 312                return -EINVAL;
 313        return 1;
 314}
 315
 316static struct nls_table table = {
 317        .charset        = "cp852",
 318        .uni2char       = uni2char,
 319        .char2uni       = char2uni,
 320        .charset2lower  = charset2lower,
 321        .charset2upper  = charset2upper,
 322};
 323
 324static int __init init_nls_cp852(void)
 325{
 326        return register_nls(&table);
 327}
 328
 329static void __exit exit_nls_cp852(void)
 330{
 331        unregister_nls(&table);
 332}
 333
 334module_init(init_nls_cp852)
 335module_exit(exit_nls_cp852)
 336
 337MODULE_LICENSE("Dual BSD/GPL");
 338