| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
| Uwe Zeisberger | f30c226 | 2006-10-03 23:01:26 +0200 | [diff] [blame] | 2 |  * linux/fs/nls/nls_cp850.c | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 |  * | 
 | 4 |  * Charset cp850 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 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 16 | static const wchar_t charset2uni[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, 0x00e0, 0x00e5, 0x00e7, | 
 | 60 | 	0x00ea, 0x00eb, 0x00e8, 0x00ef, | 
 | 61 | 	0x00ee, 0x00ec, 0x00c4, 0x00c5, | 
 | 62 | 	/* 0x90*/ | 
 | 63 | 	0x00c9, 0x00e6, 0x00c6, 0x00f4, | 
 | 64 | 	0x00f6, 0x00f2, 0x00fb, 0x00f9, | 
 | 65 | 	0x00ff, 0x00d6, 0x00dc, 0x00f8, | 
 | 66 | 	0x00a3, 0x00d8, 0x00d7, 0x0192, | 
 | 67 | 	/* 0xa0*/ | 
 | 68 | 	0x00e1, 0x00ed, 0x00f3, 0x00fa, | 
 | 69 | 	0x00f1, 0x00d1, 0x00aa, 0x00ba, | 
 | 70 | 	0x00bf, 0x00ae, 0x00ac, 0x00bd, | 
 | 71 | 	0x00bc, 0x00a1, 0x00ab, 0x00bb, | 
 | 72 | 	/* 0xb0*/ | 
 | 73 | 	0x2591, 0x2592, 0x2593, 0x2502, | 
 | 74 | 	0x2524, 0x00c1, 0x00c2, 0x00c0, | 
 | 75 | 	0x00a9, 0x2563, 0x2551, 0x2557, | 
 | 76 | 	0x255d, 0x00a2, 0x00a5, 0x2510, | 
 | 77 | 	/* 0xc0*/ | 
 | 78 | 	0x2514, 0x2534, 0x252c, 0x251c, | 
 | 79 | 	0x2500, 0x253c, 0x00e3, 0x00c3, | 
 | 80 | 	0x255a, 0x2554, 0x2569, 0x2566, | 
 | 81 | 	0x2560, 0x2550, 0x256c, 0x00a4, | 
 | 82 | 	/* 0xd0*/ | 
 | 83 | 	0x00f0, 0x00d0, 0x00ca, 0x00cb, | 
 | 84 | 	0x00c8, 0x0131, 0x00cd, 0x00ce, | 
 | 85 | 	0x00cf, 0x2518, 0x250c, 0x2588, | 
 | 86 | 	0x2584, 0x00a6, 0x00cc, 0x2580, | 
 | 87 | 	/* 0xe0*/ | 
 | 88 | 	0x00d3, 0x00df, 0x00d4, 0x00d2, | 
 | 89 | 	0x00f5, 0x00d5, 0x00b5, 0x00fe, | 
 | 90 | 	0x00de, 0x00da, 0x00db, 0x00d9, | 
 | 91 | 	0x00fd, 0x00dd, 0x00af, 0x00b4, | 
 | 92 | 	/* 0xf0*/ | 
 | 93 | 	0x00ad, 0x00b1, 0x2017, 0x00be, | 
 | 94 | 	0x00b6, 0x00a7, 0x00f7, 0x00b8, | 
 | 95 | 	0x00b0, 0x00a8, 0x00b7, 0x00b9, | 
 | 96 | 	0x00b3, 0x00b2, 0x25a0, 0x00a0, | 
 | 97 | }; | 
 | 98 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 99 | static const unsigned char page00[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, 0xad, 0xbd, 0x9c, 0xcf, 0xbe, 0xdd, 0xf5, /* 0xa0-0xa7 */ | 
 | 122 | 	0xf9, 0xb8, 0xa6, 0xae, 0xaa, 0xf0, 0xa9, 0xee, /* 0xa8-0xaf */ | 
 | 123 | 	0xf8, 0xf1, 0xfd, 0xfc, 0xef, 0xe6, 0xf4, 0xfa, /* 0xb0-0xb7 */ | 
 | 124 | 	0xf7, 0xfb, 0xa7, 0xaf, 0xac, 0xab, 0xf3, 0xa8, /* 0xb8-0xbf */ | 
 | 125 | 	0xb7, 0xb5, 0xb6, 0xc7, 0x8e, 0x8f, 0x92, 0x80, /* 0xc0-0xc7 */ | 
 | 126 | 	0xd4, 0x90, 0xd2, 0xd3, 0xde, 0xd6, 0xd7, 0xd8, /* 0xc8-0xcf */ | 
 | 127 | 	0xd1, 0xa5, 0xe3, 0xe0, 0xe2, 0xe5, 0x99, 0x9e, /* 0xd0-0xd7 */ | 
 | 128 | 	0x9d, 0xeb, 0xe9, 0xea, 0x9a, 0xed, 0xe8, 0xe1, /* 0xd8-0xdf */ | 
 | 129 | 	0x85, 0xa0, 0x83, 0xc6, 0x84, 0x86, 0x91, 0x87, /* 0xe0-0xe7 */ | 
 | 130 | 	0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, /* 0xe8-0xef */ | 
 | 131 | 	0xd0, 0xa4, 0x95, 0xa2, 0x93, 0xe4, 0x94, 0xf6, /* 0xf0-0xf7 */ | 
 | 132 | 	0x9b, 0x97, 0xa3, 0x96, 0x81, 0xec, 0xe7, 0x98, /* 0xf8-0xff */ | 
 | 133 | }; | 
 | 134 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 135 | static const unsigned char page01[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ | 
 | 137 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ | 
 | 138 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ | 
 | 139 | 	0x00, 0x00, 0x00, 0x00, 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, 0xd5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ | 
 | 143 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ | 
 | 144 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ | 
 | 145 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ | 
 | 146 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ | 
 | 147 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 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, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ | 
 | 156 | }; | 
 | 157 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 158 | static const unsigned char page20[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, 0x00, 0x00, 0x00, 0x00, 0xf2, /* 0x10-0x17 */ | 
 | 162 | }; | 
 | 163 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 164 | static const unsigned char page25[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | 	0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ | 
 | 166 | 	0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ | 
 | 167 | 	0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ | 
 | 168 | 	0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */ | 
 | 169 | 	0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */ | 
 | 170 | 	0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */ | 
 | 171 | 	0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */ | 
 | 172 | 	0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */ | 
 | 173 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ | 
 | 174 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ | 
 | 175 | 	0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */ | 
 | 176 | 	0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */ | 
 | 177 | 	0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */ | 
 | 178 | 	0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */ | 
 | 179 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ | 
 | 180 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */ | 
 | 181 |  | 
 | 182 | 	0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */ | 
 | 183 | 	0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ | 
 | 184 | 	0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ | 
 | 185 | 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */ | 
 | 186 | 	0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ | 
 | 187 | }; | 
 | 188 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 189 | static const unsigned char *const page_uni2charset[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | 	page00, page01, NULL,   NULL,   NULL,   NULL,   NULL,   NULL,    | 
 | 191 | 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,    | 
 | 192 | 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,    | 
 | 193 | 	NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,    | 
 | 194 | 	page20, NULL,   NULL,   NULL,   NULL,   page25, NULL,   NULL,    | 
 | 195 | }; | 
 | 196 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 197 | static const unsigned char charset2lower[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ | 
 | 199 | 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ | 
 | 200 | 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ | 
 | 201 | 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */ | 
 | 202 | 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */ | 
 | 203 | 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */ | 
 | 204 | 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */ | 
 | 205 | 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */ | 
 | 206 | 	0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */ | 
 | 207 | 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */ | 
 | 208 | 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */ | 
 | 209 | 	0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */ | 
 | 210 | 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */ | 
 | 211 | 	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */ | 
 | 212 | 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */ | 
 | 213 | 	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ | 
 | 214 |  | 
 | 215 | 	0x87, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */ | 
 | 216 | 	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x84, 0x86, /* 0x88-0x8f */ | 
 | 217 | 	0x82, 0x91, 0x91, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */ | 
 | 218 | 	0x98, 0x94, 0x81, 0x9b, 0x9c, 0x9b, 0x9e, 0x9f, /* 0x98-0x9f */ | 
 | 219 | 	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa4, 0xa6, 0xa7, /* 0xa0-0xa7 */ | 
 | 220 | 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */ | 
 | 221 | 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xa0, 0x83, 0x85, /* 0xb0-0xb7 */ | 
 | 222 | 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */ | 
 | 223 | 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc6, /* 0xc0-0xc7 */ | 
 | 224 | 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ | 
 | 225 | 	0xd0, 0xd0, 0x88, 0x89, 0x8a, 0xd5, 0xa1, 0x8c, /* 0xd0-0xd7 */ | 
 | 226 | 	0x8b, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0x8d, 0xdf, /* 0xd8-0xdf */ | 
 | 227 | 	0xa2, 0xe1, 0x93, 0x95, 0xe4, 0xe4, 0xe6, 0xe7, /* 0xe0-0xe7 */ | 
 | 228 | 	0xe7, 0xa3, 0x96, 0x97, 0xec, 0xec, 0xee, 0xef, /* 0xe8-0xef */ | 
 | 229 | 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */ | 
 | 230 | 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ | 
 | 231 | }; | 
 | 232 |  | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 233 | static const unsigned char charset2upper[256] = { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ | 
 | 235 | 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ | 
 | 236 | 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ | 
 | 237 | 	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */ | 
 | 238 | 	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */ | 
 | 239 | 	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */ | 
 | 240 | 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */ | 
 | 241 | 	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */ | 
 | 242 | 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */ | 
 | 243 | 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */ | 
 | 244 | 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */ | 
 | 245 | 	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */ | 
 | 246 | 	0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */ | 
 | 247 | 	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */ | 
 | 248 | 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */ | 
 | 249 | 	0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ | 
 | 250 |  | 
 | 251 | 	0x80, 0x9a, 0x90, 0xb6, 0x8e, 0xb7, 0x8f, 0x80, /* 0x80-0x87 */ | 
 | 252 | 	0xd2, 0xd3, 0xd4, 0xd8, 0xd7, 0xde, 0x8e, 0x8f, /* 0x88-0x8f */ | 
 | 253 | 	0x90, 0x92, 0x92, 0xe2, 0x99, 0xe3, 0xea, 0xeb, /* 0x90-0x97 */ | 
 | 254 | 	0x00, 0x99, 0x9a, 0x9d, 0x9c, 0x9d, 0x9e, 0x00, /* 0x98-0x9f */ | 
 | 255 | 	0xb5, 0xd6, 0xe0, 0xe9, 0xa5, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */ | 
 | 256 | 	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */ | 
 | 257 | 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */ | 
 | 258 | 	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */ | 
 | 259 | 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc7, 0xc7, /* 0xc0-0xc7 */ | 
 | 260 | 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ | 
 | 261 | 	0xd1, 0xd1, 0xd2, 0xd3, 0xd4, 0x49, 0xd6, 0xd7, /* 0xd0-0xd7 */ | 
 | 262 | 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */ | 
 | 263 | 	0xe0, 0xe1, 0xe2, 0xe3, 0xe5, 0xe5, 0x00, 0xe8, /* 0xe0-0xe7 */ | 
 | 264 | 	0xe8, 0xe9, 0xea, 0xeb, 0xed, 0xed, 0xee, 0xef, /* 0xe8-0xef */ | 
 | 265 | 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */ | 
 | 266 | 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ | 
 | 267 | }; | 
 | 268 |  | 
 | 269 | static int uni2char(wchar_t uni, unsigned char *out, int boundlen) | 
 | 270 | { | 
| Denys Vlasenko | b9ec033 | 2007-10-16 23:29:54 -0700 | [diff] [blame] | 271 | 	const unsigned char *uni2charset; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | 	unsigned char cl = uni & 0x00ff; | 
 | 273 | 	unsigned char ch = (uni & 0xff00) >> 8; | 
 | 274 |  | 
 | 275 | 	if (boundlen <= 0) | 
 | 276 | 		return -ENAMETOOLONG; | 
 | 277 |  | 
 | 278 | 	uni2charset = page_uni2charset[ch]; | 
 | 279 | 	if (uni2charset && uni2charset[cl]) | 
 | 280 | 		out[0] = uni2charset[cl]; | 
 | 281 | 	else | 
 | 282 | 		return -EINVAL; | 
 | 283 | 	return 1; | 
 | 284 | } | 
 | 285 |  | 
 | 286 | static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) | 
 | 287 | { | 
 | 288 | 	*uni = charset2uni[*rawstring]; | 
 | 289 | 	if (*uni == 0x0000) | 
 | 290 | 		return -EINVAL; | 
 | 291 | 	return 1; | 
 | 292 | } | 
 | 293 |  | 
 | 294 | static struct nls_table table = { | 
 | 295 | 	.charset	= "cp850", | 
 | 296 | 	.uni2char	= uni2char, | 
 | 297 | 	.char2uni	= char2uni, | 
 | 298 | 	.charset2lower	= charset2lower, | 
 | 299 | 	.charset2upper	= charset2upper, | 
 | 300 | 	.owner		= THIS_MODULE, | 
 | 301 | }; | 
 | 302 |  | 
 | 303 | static int __init init_nls_cp850(void) | 
 | 304 | { | 
 | 305 | 	return register_nls(&table); | 
 | 306 | } | 
 | 307 |  | 
 | 308 | static void __exit exit_nls_cp850(void) | 
 | 309 | { | 
 | 310 | 	unregister_nls(&table); | 
 | 311 | } | 
 | 312 |  | 
 | 313 | module_init(init_nls_cp850) | 
 | 314 | module_exit(exit_nls_cp850) | 
 | 315 |  | 
 | 316 | MODULE_LICENSE("Dual BSD/GPL"); |