11da177e4SLinus Torvalds /*
2f30c2269SUwe Zeisberger * linux/fs/nls/nls_cp1251.c
31da177e4SLinus Torvalds *
41da177e4SLinus Torvalds * Charset cp1251 translation tables.
51da177e4SLinus Torvalds * Generated automatically from the Unicode and charset
61da177e4SLinus Torvalds * tables from the Unicode Organization (www.unicode.org).
71da177e4SLinus Torvalds * The Unicode to charset table has only exact mappings.
81da177e4SLinus Torvalds */
91da177e4SLinus Torvalds
101da177e4SLinus Torvalds #include <linux/module.h>
111da177e4SLinus Torvalds #include <linux/kernel.h>
121da177e4SLinus Torvalds #include <linux/string.h>
131da177e4SLinus Torvalds #include <linux/nls.h>
141da177e4SLinus Torvalds #include <linux/errno.h>
151da177e4SLinus Torvalds
16b9ec0339SDenys Vlasenko static const wchar_t charset2uni[256] = {
171da177e4SLinus Torvalds /* 0x00*/
181da177e4SLinus Torvalds 0x0000, 0x0001, 0x0002, 0x0003,
191da177e4SLinus Torvalds 0x0004, 0x0005, 0x0006, 0x0007,
201da177e4SLinus Torvalds 0x0008, 0x0009, 0x000a, 0x000b,
211da177e4SLinus Torvalds 0x000c, 0x000d, 0x000e, 0x000f,
221da177e4SLinus Torvalds /* 0x10*/
231da177e4SLinus Torvalds 0x0010, 0x0011, 0x0012, 0x0013,
241da177e4SLinus Torvalds 0x0014, 0x0015, 0x0016, 0x0017,
251da177e4SLinus Torvalds 0x0018, 0x0019, 0x001a, 0x001b,
261da177e4SLinus Torvalds 0x001c, 0x001d, 0x001e, 0x001f,
271da177e4SLinus Torvalds /* 0x20*/
281da177e4SLinus Torvalds 0x0020, 0x0021, 0x0022, 0x0023,
291da177e4SLinus Torvalds 0x0024, 0x0025, 0x0026, 0x0027,
301da177e4SLinus Torvalds 0x0028, 0x0029, 0x002a, 0x002b,
311da177e4SLinus Torvalds 0x002c, 0x002d, 0x002e, 0x002f,
321da177e4SLinus Torvalds /* 0x30*/
331da177e4SLinus Torvalds 0x0030, 0x0031, 0x0032, 0x0033,
341da177e4SLinus Torvalds 0x0034, 0x0035, 0x0036, 0x0037,
351da177e4SLinus Torvalds 0x0038, 0x0039, 0x003a, 0x003b,
361da177e4SLinus Torvalds 0x003c, 0x003d, 0x003e, 0x003f,
371da177e4SLinus Torvalds /* 0x40*/
381da177e4SLinus Torvalds 0x0040, 0x0041, 0x0042, 0x0043,
391da177e4SLinus Torvalds 0x0044, 0x0045, 0x0046, 0x0047,
401da177e4SLinus Torvalds 0x0048, 0x0049, 0x004a, 0x004b,
411da177e4SLinus Torvalds 0x004c, 0x004d, 0x004e, 0x004f,
421da177e4SLinus Torvalds /* 0x50*/
431da177e4SLinus Torvalds 0x0050, 0x0051, 0x0052, 0x0053,
441da177e4SLinus Torvalds 0x0054, 0x0055, 0x0056, 0x0057,
451da177e4SLinus Torvalds 0x0058, 0x0059, 0x005a, 0x005b,
461da177e4SLinus Torvalds 0x005c, 0x005d, 0x005e, 0x005f,
471da177e4SLinus Torvalds /* 0x60*/
481da177e4SLinus Torvalds 0x0060, 0x0061, 0x0062, 0x0063,
491da177e4SLinus Torvalds 0x0064, 0x0065, 0x0066, 0x0067,
501da177e4SLinus Torvalds 0x0068, 0x0069, 0x006a, 0x006b,
511da177e4SLinus Torvalds 0x006c, 0x006d, 0x006e, 0x006f,
521da177e4SLinus Torvalds /* 0x70*/
531da177e4SLinus Torvalds 0x0070, 0x0071, 0x0072, 0x0073,
541da177e4SLinus Torvalds 0x0074, 0x0075, 0x0076, 0x0077,
551da177e4SLinus Torvalds 0x0078, 0x0079, 0x007a, 0x007b,
561da177e4SLinus Torvalds 0x007c, 0x007d, 0x007e, 0x007f,
571da177e4SLinus Torvalds /* 0x80*/
581da177e4SLinus Torvalds 0x0402, 0x0403, 0x201a, 0x0453,
591da177e4SLinus Torvalds 0x201e, 0x2026, 0x2020, 0x2021,
601da177e4SLinus Torvalds 0x20ac, 0x2030, 0x0409, 0x2039,
611da177e4SLinus Torvalds 0x040a, 0x040c, 0x040b, 0x040f,
621da177e4SLinus Torvalds /* 0x90*/
631da177e4SLinus Torvalds 0x0452, 0x2018, 0x2019, 0x201c,
641da177e4SLinus Torvalds 0x201d, 0x2022, 0x2013, 0x2014,
651da177e4SLinus Torvalds 0x0000, 0x2122, 0x0459, 0x203a,
661da177e4SLinus Torvalds 0x045a, 0x045c, 0x045b, 0x045f,
671da177e4SLinus Torvalds /* 0xa0*/
681da177e4SLinus Torvalds 0x00a0, 0x040e, 0x045e, 0x0408,
691da177e4SLinus Torvalds 0x00a4, 0x0490, 0x00a6, 0x00a7,
701da177e4SLinus Torvalds 0x0401, 0x00a9, 0x0404, 0x00ab,
711da177e4SLinus Torvalds 0x00ac, 0x00ad, 0x00ae, 0x0407,
721da177e4SLinus Torvalds /* 0xb0*/
731da177e4SLinus Torvalds 0x00b0, 0x00b1, 0x0406, 0x0456,
741da177e4SLinus Torvalds 0x0491, 0x00b5, 0x00b6, 0x00b7,
751da177e4SLinus Torvalds 0x0451, 0x2116, 0x0454, 0x00bb,
761da177e4SLinus Torvalds 0x0458, 0x0405, 0x0455, 0x0457,
771da177e4SLinus Torvalds /* 0xc0*/
781da177e4SLinus Torvalds 0x0410, 0x0411, 0x0412, 0x0413,
791da177e4SLinus Torvalds 0x0414, 0x0415, 0x0416, 0x0417,
801da177e4SLinus Torvalds 0x0418, 0x0419, 0x041a, 0x041b,
811da177e4SLinus Torvalds 0x041c, 0x041d, 0x041e, 0x041f,
821da177e4SLinus Torvalds /* 0xd0*/
831da177e4SLinus Torvalds 0x0420, 0x0421, 0x0422, 0x0423,
841da177e4SLinus Torvalds 0x0424, 0x0425, 0x0426, 0x0427,
851da177e4SLinus Torvalds 0x0428, 0x0429, 0x042a, 0x042b,
861da177e4SLinus Torvalds 0x042c, 0x042d, 0x042e, 0x042f,
871da177e4SLinus Torvalds /* 0xe0*/
881da177e4SLinus Torvalds 0x0430, 0x0431, 0x0432, 0x0433,
891da177e4SLinus Torvalds 0x0434, 0x0435, 0x0436, 0x0437,
901da177e4SLinus Torvalds 0x0438, 0x0439, 0x043a, 0x043b,
911da177e4SLinus Torvalds 0x043c, 0x043d, 0x043e, 0x043f,
921da177e4SLinus Torvalds /* 0xf0*/
931da177e4SLinus Torvalds 0x0440, 0x0441, 0x0442, 0x0443,
941da177e4SLinus Torvalds 0x0444, 0x0445, 0x0446, 0x0447,
951da177e4SLinus Torvalds 0x0448, 0x0449, 0x044a, 0x044b,
961da177e4SLinus Torvalds 0x044c, 0x044d, 0x044e, 0x044f,
971da177e4SLinus Torvalds };
981da177e4SLinus Torvalds
99b9ec0339SDenys Vlasenko static const unsigned char page00[256] = {
1001da177e4SLinus Torvalds 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
1011da177e4SLinus Torvalds 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
1021da177e4SLinus Torvalds 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
1031da177e4SLinus Torvalds 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
1041da177e4SLinus Torvalds 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
1051da177e4SLinus Torvalds 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
1061da177e4SLinus Torvalds 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
1071da177e4SLinus Torvalds 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
1081da177e4SLinus Torvalds 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
1091da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
1101da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
1111da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
1121da177e4SLinus Torvalds 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
1131da177e4SLinus Torvalds 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
1141da177e4SLinus Torvalds 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
1151da177e4SLinus Torvalds 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
1161da177e4SLinus Torvalds
1171da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
1181da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
1191da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
1201da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
1211da177e4SLinus Torvalds 0xa0, 0x00, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */
1221da177e4SLinus Torvalds 0x00, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */
1231da177e4SLinus Torvalds 0xb0, 0xb1, 0x00, 0x00, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
1241da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
1251da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
1261da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
1271da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
1281da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
1291da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
1301da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
1311da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xf0-0xf7 */
1321da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */
1331da177e4SLinus Torvalds };
1341da177e4SLinus Torvalds
135b9ec0339SDenys Vlasenko static const unsigned char page04[256] = {
1361da177e4SLinus Torvalds 0x00, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf, /* 0x00-0x07 */
1371da177e4SLinus Torvalds 0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x00, 0xa1, 0x8f, /* 0x08-0x0f */
1381da177e4SLinus Torvalds 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x10-0x17 */
1391da177e4SLinus Torvalds 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x18-0x1f */
1401da177e4SLinus Torvalds 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x20-0x27 */
1411da177e4SLinus Torvalds 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x28-0x2f */
1421da177e4SLinus Torvalds 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x30-0x37 */
1431da177e4SLinus Torvalds 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x38-0x3f */
1441da177e4SLinus Torvalds 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x40-0x47 */
1451da177e4SLinus Torvalds 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0x48-0x4f */
1461da177e4SLinus Torvalds 0x00, 0xb8, 0x90, 0x83, 0xba, 0xbe, 0xb3, 0xbf, /* 0x50-0x57 */
1471da177e4SLinus Torvalds 0xbc, 0x9a, 0x9c, 0x9e, 0x9d, 0x00, 0xa2, 0x9f, /* 0x58-0x5f */
1481da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
1491da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
1501da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
1511da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
1521da177e4SLinus Torvalds
1531da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
1541da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
1551da177e4SLinus Torvalds 0x00, 0xa5, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
1561da177e4SLinus Torvalds };
1571da177e4SLinus Torvalds
158b9ec0339SDenys Vlasenko static const unsigned char page20[256] = {
1591da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
1601da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
1611da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
1621da177e4SLinus Torvalds 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
1631da177e4SLinus Torvalds 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
1641da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
1651da177e4SLinus Torvalds 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
1661da177e4SLinus Torvalds 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
1671da177e4SLinus Torvalds };
1681da177e4SLinus Torvalds
169b9ec0339SDenys Vlasenko static const unsigned char page21[256] = {
1701da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
1711da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
1721da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb9, 0x00, /* 0x10-0x17 */
1731da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
1741da177e4SLinus Torvalds 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
1751da177e4SLinus Torvalds };
1761da177e4SLinus Torvalds
177b9ec0339SDenys Vlasenko static const unsigned char *const page_uni2charset[256] = {
1781da177e4SLinus Torvalds page00, NULL, NULL, NULL, page04, NULL, NULL, NULL,
1791da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1801da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1811da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1821da177e4SLinus Torvalds page20, page21, NULL, NULL, NULL, NULL, NULL, NULL,
1831da177e4SLinus Torvalds };
1841da177e4SLinus Torvalds
185b9ec0339SDenys Vlasenko static const unsigned char charset2lower[256] = {
1861da177e4SLinus Torvalds 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
1871da177e4SLinus Torvalds 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
1881da177e4SLinus Torvalds 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
1891da177e4SLinus Torvalds 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
1901da177e4SLinus Torvalds 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
1911da177e4SLinus Torvalds 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
1921da177e4SLinus Torvalds 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
1931da177e4SLinus Torvalds 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
1941da177e4SLinus Torvalds 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
1951da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
1961da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
1971da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
1981da177e4SLinus Torvalds 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
1991da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
2001da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
2011da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
2021da177e4SLinus Torvalds 0x90, 0x83, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
2031da177e4SLinus Torvalds 0x88, 0x89, 0x9a, 0x8b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x88-0x8f */
2041da177e4SLinus Torvalds 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
2051da177e4SLinus Torvalds 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
2061da177e4SLinus Torvalds 0xa0, 0xa2, 0xa2, 0xbc, 0xa4, 0xb4, 0xa6, 0xa7, /* 0xa0-0xa7 */
2071da177e4SLinus Torvalds 0xb8, 0xa9, 0xba, 0xab, 0xac, 0xad, 0xae, 0xbf, /* 0xa8-0xaf */
2081da177e4SLinus Torvalds 0xb0, 0xb1, 0xb3, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
2091da177e4SLinus Torvalds 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbe, 0xbe, 0xbf, /* 0xb8-0xbf */
2101da177e4SLinus Torvalds 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xc0-0xc7 */
2111da177e4SLinus Torvalds 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xc8-0xcf */
2121da177e4SLinus Torvalds 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xd0-0xd7 */
2131da177e4SLinus Torvalds 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xd8-0xdf */
2141da177e4SLinus Torvalds 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
2151da177e4SLinus Torvalds 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
2161da177e4SLinus Torvalds 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
2171da177e4SLinus Torvalds 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
2181da177e4SLinus Torvalds };
2191da177e4SLinus Torvalds
220b9ec0339SDenys Vlasenko static const unsigned char charset2upper[256] = {
2211da177e4SLinus Torvalds 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
2221da177e4SLinus Torvalds 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
2231da177e4SLinus Torvalds 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
2241da177e4SLinus Torvalds 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
2251da177e4SLinus Torvalds 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
2261da177e4SLinus Torvalds 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
2271da177e4SLinus Torvalds 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
2281da177e4SLinus Torvalds 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
2291da177e4SLinus Torvalds 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
2301da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
2311da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
2321da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
2331da177e4SLinus Torvalds 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
2341da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
2351da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
2361da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
2371da177e4SLinus Torvalds 0x80, 0x81, 0x82, 0x81, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
2381da177e4SLinus Torvalds 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x88-0x8f */
2391da177e4SLinus Torvalds 0x80, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
2401da177e4SLinus Torvalds 0x98, 0x99, 0x8a, 0x9b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0x98-0x9f */
2411da177e4SLinus Torvalds 0xa0, 0xa1, 0xa1, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
2421da177e4SLinus Torvalds 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
2431da177e4SLinus Torvalds 0xb0, 0xb1, 0xb2, 0xb2, 0xa5, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
2441da177e4SLinus Torvalds 0xa8, 0xb9, 0xaa, 0xbb, 0xa3, 0xbd, 0xbd, 0xaf, /* 0xb8-0xbf */
2451da177e4SLinus Torvalds 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
2461da177e4SLinus Torvalds 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
2471da177e4SLinus Torvalds 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
2481da177e4SLinus Torvalds 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
2491da177e4SLinus Torvalds 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xe0-0xe7 */
2501da177e4SLinus Torvalds 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xe8-0xef */
2511da177e4SLinus Torvalds 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xf0-0xf7 */
2521da177e4SLinus Torvalds 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */
2531da177e4SLinus Torvalds };
2541da177e4SLinus Torvalds
uni2char(wchar_t uni,unsigned char * out,int boundlen)2551da177e4SLinus Torvalds static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
2561da177e4SLinus Torvalds {
257b9ec0339SDenys Vlasenko const unsigned char *uni2charset;
2581da177e4SLinus Torvalds unsigned char cl = uni & 0x00ff;
2591da177e4SLinus Torvalds unsigned char ch = (uni & 0xff00) >> 8;
2601da177e4SLinus Torvalds
2611da177e4SLinus Torvalds if (boundlen <= 0)
2621da177e4SLinus Torvalds return -ENAMETOOLONG;
2631da177e4SLinus Torvalds
2641da177e4SLinus Torvalds uni2charset = page_uni2charset[ch];
2651da177e4SLinus Torvalds if (uni2charset && uni2charset[cl])
2661da177e4SLinus Torvalds out[0] = uni2charset[cl];
2671da177e4SLinus Torvalds else
2681da177e4SLinus Torvalds return -EINVAL;
2691da177e4SLinus Torvalds return 1;
2701da177e4SLinus Torvalds }
2711da177e4SLinus Torvalds
char2uni(const unsigned char * rawstring,int boundlen,wchar_t * uni)2721da177e4SLinus Torvalds static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
2731da177e4SLinus Torvalds {
2741da177e4SLinus Torvalds *uni = charset2uni[*rawstring];
2751da177e4SLinus Torvalds if (*uni == 0x0000)
2761da177e4SLinus Torvalds return -EINVAL;
2771da177e4SLinus Torvalds return 1;
2781da177e4SLinus Torvalds }
2791da177e4SLinus Torvalds
2801da177e4SLinus Torvalds static struct nls_table table = {
2811da177e4SLinus Torvalds .charset = "cp1251",
2821da177e4SLinus Torvalds .uni2char = uni2char,
2831da177e4SLinus Torvalds .char2uni = char2uni,
2841da177e4SLinus Torvalds .charset2lower = charset2lower,
2851da177e4SLinus Torvalds .charset2upper = charset2upper,
2861da177e4SLinus Torvalds };
2871da177e4SLinus Torvalds
init_nls_cp1251(void)2881da177e4SLinus Torvalds static int __init init_nls_cp1251(void)
2891da177e4SLinus Torvalds {
2901da177e4SLinus Torvalds return register_nls(&table);
2911da177e4SLinus Torvalds }
2921da177e4SLinus Torvalds
exit_nls_cp1251(void)2931da177e4SLinus Torvalds static void __exit exit_nls_cp1251(void)
2941da177e4SLinus Torvalds {
2951da177e4SLinus Torvalds unregister_nls(&table);
2961da177e4SLinus Torvalds }
2971da177e4SLinus Torvalds
2981da177e4SLinus Torvalds module_init(init_nls_cp1251)
2991da177e4SLinus Torvalds module_exit(exit_nls_cp1251)
3001da177e4SLinus Torvalds
301*d694e46aSJeff Johnson MODULE_DESCRIPTION("NLS Windows CP1251 (Bulgarian, Belarusian)");
3021da177e4SLinus Torvalds MODULE_LICENSE("Dual BSD/GPL");
303