LXR linux/fs/nls/nls

   1/*
   2 * linux/fs/nls/nls_cp1251.c
   3 *
   4 * Charset cp1251 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        0x0402, 0x0403, 0x201a, 0x0453, 
  59        0x201e, 0x2026, 0x2020, 0x2021, 
  60        0x20ac, 0x2030, 0x0409, 0x2039, 
  61        0x040a, 0x040c, 0x040b, 0x040f, 
  62        /* 0x90*/
  63        0x0452, 0x2018, 0x2019, 0x201c, 
  64        0x201d, 0x2022, 0x2013, 0x2014, 
  65        0x0000, 0x2122, 0x0459, 0x203a, 
  66        0x045a, 0x045c, 0x045b, 0x045f, 
  67        /* 0xa0*/
  68        0x00a0, 0x040e, 0x045e, 0x0408, 
  69        0x00a4, 0x0490, 0x00a6, 0x00a7, 
  70        0x0401, 0x00a9, 0x0404, 0x00ab, 
  71        0x00ac, 0x00ad, 0x00ae, 0x0407, 
  72        /* 0xb0*/
  73        0x00b0, 0x00b1, 0x0406, 0x0456, 
  74        0x0491, 0x00b5, 0x00b6, 0x00b7, 
  75        0x0451, 0x2116, 0x0454, 0x00bb, 
  76        0x0458, 0x0405, 0x0455, 0x0457, 
  77        /* 0xc0*/
  78        0x0410, 0x0411, 0x0412, 0x0413, 
  79        0x0414, 0x0415, 0x0416, 0x0417, 
  80        0x0418, 0x0419, 0x041a, 0x041b, 
  81        0x041c, 0x041d, 0x041e, 0x041f, 
  82        /* 0xd0*/
  83        0x0420, 0x0421, 0x0422, 0x0423, 
  84        0x0424, 0x0425, 0x0426, 0x0427, 
  85        0x0428, 0x0429, 0x042a, 0x042b, 
  86        0x042c, 0x042d, 0x042e, 0x042f, 
  87        /* 0xe0*/
  88        0x0430, 0x0431, 0x0432, 0x0433, 
  89        0x0434, 0x0435, 0x0436, 0x0437, 
  90        0x0438, 0x0439, 0x043a, 0x043b, 
  91        0x043c, 0x043d, 0x043e, 0x043f, 
  92        /* 0xf0*/
  93        0x0440, 0x0441, 0x0442, 0x0443, 
  94        0x0444, 0x0445, 0x0446, 0x0447, 
  95        0x0448, 0x0449, 0x044a, 0x044b, 
  96        0x044c, 0x044d, 0x044e, 0x044f, 
  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        0xa0, 0x00, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */
 122        0x00, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */
 123        0xb0, 0xb1, 0x00, 0x00, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
 124        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
 125        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
 126        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
 127        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
 128        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
 129        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
 130        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
 131        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xf0-0xf7 */
 132        0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */
 133};
 134
 135static const unsigned char page04[256] = {
 136        0x00, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf, /* 0x00-0x07 */
 137        0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x00, 0xa1, 0x8f, /* 0x08-0x0f */
 138        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x10-0x17 */
 139        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x18-0x1f */
 140        0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x20-0x27 */
 141        0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x28-0x2f */
 142        0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x30-0x37 */
 143        0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x38-0x3f */
 144        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x40-0x47 */
 145        0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0x48-0x4f */
 146        0x00, 0xb8, 0x90, 0x83, 0xba, 0xbe, 0xb3, 0xbf, /* 0x50-0x57 */
 147        0xbc, 0x9a, 0x9c, 0x9e, 0x9d, 0x00, 0xa2, 0x9f, /* 0x58-0x5f */
 148        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
 149        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
 150        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
 151        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
 152
 153        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 154        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 155        0x00, 0xa5, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 156};
 157
 158static const unsigned char page20[256] = {
 159        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 160        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 161        0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 162        0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
 163        0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
 164        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 165        0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 166        0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 167};
 168
 169static const unsigned char page21[256] = {
 170        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 171        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 172        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb9, 0x00, /* 0x10-0x17 */
 173        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 174        0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 175};
 176
 177static const unsigned char *const page_uni2charset[256] = {
 178        page00, NULL,   NULL,   NULL,   page04, NULL,   NULL,   NULL,   
 179        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 180        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 181        NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 182        page20, page21, NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   
 183};
 184
 185static const unsigned char charset2lower[256] = {
 186        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 187        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 188        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
 189        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
 190        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
 191        0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
 192        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
 193        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
 194        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
 195        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
 196        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
 197        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
 198        0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
 199        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
 200        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
 201        0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 202        0x90, 0x83, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
 203        0x88, 0x89, 0x9a, 0x8b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x88-0x8f */
 204        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
 205        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
 206        0xa0, 0xa2, 0xa2, 0xbc, 0xa4, 0xb4, 0xa6, 0xa7, /* 0xa0-0xa7 */
 207        0xb8, 0xa9, 0xba, 0xab, 0xac, 0xad, 0xae, 0xbf, /* 0xa8-0xaf */
 208        0xb0, 0xb1, 0xb3, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
 209        0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbe, 0xbe, 0xbf, /* 0xb8-0xbf */
 210        0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xc0-0xc7 */
 211        0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xc8-0xcf */
 212        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xd0-0xd7 */
 213        0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xd8-0xdf */
 214        0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
 215        0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
 216        0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
 217        0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
 218};
 219
 220static const unsigned char charset2upper[256] = {
 221        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
 222        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
 223        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
 224        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
 225        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
 226        0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
 227        0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
 228        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
 229        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
 230        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
 231        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
 232        0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
 233        0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
 234        0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
 235        0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
 236        0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
 237        0x80, 0x81, 0x82, 0x81, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
 238        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
 239        0x80, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
 240        0x98, 0x99, 0x8a, 0x9b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x98-0x9f */
 241        0xa0, 0xa1, 0xa1, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
 242        0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
 243        0xb0, 0xb1, 0xb2, 0xb2, 0xa5, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
 244        0xa8, 0xb9, 0xaa, 0xbb, 0xa3, 0xbd, 0xbd, 0xaf, /* 0xb8-0xbf */
 245        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
 246        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
 247        0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
 248        0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
 249        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xe0-0xe7 */
 250        0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xe8-0xef */
 251        0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xf0-0xf7 */
 252        0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */
 253};
 254
 255static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
 256{
 257        const unsigned char *uni2charset;
 258        unsigned char cl = uni & 0x00ff;
 259        unsigned char ch = (uni & 0xff00) >> 8;
 260
 261        if (boundlen <= 0)
 262                return -ENAMETOOLONG;
 263
 264        uni2charset = page_uni2charset[ch];
 265        if (uni2charset && uni2charset[cl])
 266                out[0] = uni2charset[cl];
 267        else
 268                return -EINVAL;
 269        return 1;
 270}
 271
 272static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
 273{
 274        *uni = charset2uni[*rawstring];
 275        if (*uni == 0x0000)
 276                return -EINVAL;
 277        return 1;
 278}
 279
 280static struct nls_table table = {
 281        .charset        = "cp1251",
 282        .uni2char       = uni2char,
 283        .char2uni       = char2uni,
 284        .charset2lower  = charset2lower,
 285        .charset2upper  = charset2upper,
 286        .owner          = THIS_MODULE,
 287};
 288
 289static int __init init_nls_cp1251(void)
 290{
 291        return register_nls(&table);
 292}
 293
 294static void __exit exit_nls_cp1251(void)
 295{
 296        unregister_nls(&table);
 297}
 298
 299module_init(init_nls_cp1251)
 300module_exit(exit_nls_cp1251)
 301
 302MODULE_LICENSE("Dual BSD/GPL");
 303