11da177e4SLinus Torvalds /*
2f30c2269SUwe Zeisberger * linux/fs/nls/nls_cp437.c
31da177e4SLinus Torvalds *
41da177e4SLinus Torvalds * Charset cp437 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 0x00c7, 0x00fc, 0x00e9, 0x00e2,
591da177e4SLinus Torvalds 0x00e4, 0x00e0, 0x00e5, 0x00e7,
601da177e4SLinus Torvalds 0x00ea, 0x00eb, 0x00e8, 0x00ef,
611da177e4SLinus Torvalds 0x00ee, 0x00ec, 0x00c4, 0x00c5,
621da177e4SLinus Torvalds /* 0x90*/
631da177e4SLinus Torvalds 0x00c9, 0x00e6, 0x00c6, 0x00f4,
641da177e4SLinus Torvalds 0x00f6, 0x00f2, 0x00fb, 0x00f9,
651da177e4SLinus Torvalds 0x00ff, 0x00d6, 0x00dc, 0x00a2,
661da177e4SLinus Torvalds 0x00a3, 0x00a5, 0x20a7, 0x0192,
671da177e4SLinus Torvalds /* 0xa0*/
681da177e4SLinus Torvalds 0x00e1, 0x00ed, 0x00f3, 0x00fa,
691da177e4SLinus Torvalds 0x00f1, 0x00d1, 0x00aa, 0x00ba,
701da177e4SLinus Torvalds 0x00bf, 0x2310, 0x00ac, 0x00bd,
711da177e4SLinus Torvalds 0x00bc, 0x00a1, 0x00ab, 0x00bb,
721da177e4SLinus Torvalds /* 0xb0*/
731da177e4SLinus Torvalds 0x2591, 0x2592, 0x2593, 0x2502,
741da177e4SLinus Torvalds 0x2524, 0x2561, 0x2562, 0x2556,
751da177e4SLinus Torvalds 0x2555, 0x2563, 0x2551, 0x2557,
761da177e4SLinus Torvalds 0x255d, 0x255c, 0x255b, 0x2510,
771da177e4SLinus Torvalds /* 0xc0*/
781da177e4SLinus Torvalds 0x2514, 0x2534, 0x252c, 0x251c,
791da177e4SLinus Torvalds 0x2500, 0x253c, 0x255e, 0x255f,
801da177e4SLinus Torvalds 0x255a, 0x2554, 0x2569, 0x2566,
811da177e4SLinus Torvalds 0x2560, 0x2550, 0x256c, 0x2567,
821da177e4SLinus Torvalds /* 0xd0*/
831da177e4SLinus Torvalds 0x2568, 0x2564, 0x2565, 0x2559,
841da177e4SLinus Torvalds 0x2558, 0x2552, 0x2553, 0x256b,
851da177e4SLinus Torvalds 0x256a, 0x2518, 0x250c, 0x2588,
861da177e4SLinus Torvalds 0x2584, 0x258c, 0x2590, 0x2580,
871da177e4SLinus Torvalds /* 0xe0*/
881da177e4SLinus Torvalds 0x03b1, 0x00df, 0x0393, 0x03c0,
891da177e4SLinus Torvalds 0x03a3, 0x03c3, 0x00b5, 0x03c4,
901da177e4SLinus Torvalds 0x03a6, 0x0398, 0x03a9, 0x03b4,
911da177e4SLinus Torvalds 0x221e, 0x03c6, 0x03b5, 0x2229,
921da177e4SLinus Torvalds /* 0xf0*/
931da177e4SLinus Torvalds 0x2261, 0x00b1, 0x2265, 0x2264,
941da177e4SLinus Torvalds 0x2320, 0x2321, 0x00f7, 0x2248,
951da177e4SLinus Torvalds 0x00b0, 0x2219, 0x00b7, 0x221a,
961da177e4SLinus Torvalds 0x207f, 0x00b2, 0x25a0, 0x00a0,
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 0xff, 0xad, 0x9b, 0x9c, 0x00, 0x9d, 0x00, 0x00, /* 0xa0-0xa7 */
1221da177e4SLinus Torvalds 0x00, 0x00, 0xa6, 0xae, 0xaa, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
1231da177e4SLinus Torvalds 0xf8, 0xf1, 0xfd, 0x00, 0x00, 0xe6, 0x00, 0xfa, /* 0xb0-0xb7 */
1241da177e4SLinus Torvalds 0x00, 0x00, 0xa7, 0xaf, 0xac, 0xab, 0x00, 0xa8, /* 0xb8-0xbf */
1251da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x8e, 0x8f, 0x92, 0x80, /* 0xc0-0xc7 */
1261da177e4SLinus Torvalds 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
1271da177e4SLinus Torvalds 0x00, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x99, 0x00, /* 0xd0-0xd7 */
1281da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x9a, 0x00, 0x00, 0xe1, /* 0xd8-0xdf */
1291da177e4SLinus Torvalds 0x85, 0xa0, 0x83, 0x00, 0x84, 0x86, 0x91, 0x87, /* 0xe0-0xe7 */
1301da177e4SLinus Torvalds 0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, /* 0xe8-0xef */
1311da177e4SLinus Torvalds 0x00, 0xa4, 0x95, 0xa2, 0x93, 0x00, 0x94, 0xf6, /* 0xf0-0xf7 */
1321da177e4SLinus Torvalds 0x00, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0x98, /* 0xf8-0xff */
1331da177e4SLinus Torvalds };
1341da177e4SLinus Torvalds
135b9ec0339SDenys Vlasenko static const unsigned char page01[256] = {
1361da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
1371da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
1381da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
1391da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
1401da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
1411da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
1421da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
1431da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
1441da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
1451da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
1461da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
1471da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 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, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
1561da177e4SLinus Torvalds };
1571da177e4SLinus Torvalds
158b9ec0339SDenys Vlasenko static const unsigned char page03[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, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
1621da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
1631da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
1641da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
1651da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
1661da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
1671da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
1681da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
1691da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
1701da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
1711da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
1721da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
1731da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
1741da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
1751da177e4SLinus Torvalds
1761da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
1771da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
1781da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xe2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
1791da177e4SLinus Torvalds 0xe9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
1801da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0xe4, 0x00, 0x00, 0xe8, 0x00, /* 0xa0-0xa7 */
1811da177e4SLinus Torvalds 0x00, 0xea, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
1821da177e4SLinus Torvalds 0x00, 0xe0, 0x00, 0x00, 0xeb, 0xee, 0x00, 0x00, /* 0xb0-0xb7 */
1831da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
1841da177e4SLinus Torvalds 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */
1851da177e4SLinus Torvalds };
1861da177e4SLinus Torvalds
187b9ec0339SDenys Vlasenko static const unsigned char page20[256] = {
1881da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
1891da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
1901da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
1911da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
1921da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
1931da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
1941da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
1951da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
1961da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
1971da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
1981da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
1991da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
2001da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
2011da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
2021da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
2031da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, /* 0x78-0x7f */
2041da177e4SLinus Torvalds
2051da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
2061da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
2071da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
2081da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
2091da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */
2101da177e4SLinus Torvalds };
2111da177e4SLinus Torvalds
212b9ec0339SDenys Vlasenko static const unsigned char page22[256] = {
2131da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
2141da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
2151da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
2161da177e4SLinus Torvalds 0x00, 0xf9, 0xfb, 0x00, 0x00, 0x00, 0xec, 0x00, /* 0x18-0x1f */
2171da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
2181da177e4SLinus Torvalds 0x00, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
2191da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
2201da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
2211da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
2221da177e4SLinus Torvalds 0xf7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
2231da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
2241da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
2251da177e4SLinus Torvalds 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */
2261da177e4SLinus Torvalds };
2271da177e4SLinus Torvalds
228b9ec0339SDenys Vlasenko static const unsigned char page23[256] = {
2291da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
2301da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
2311da177e4SLinus Torvalds 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
2321da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
2331da177e4SLinus Torvalds 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
2341da177e4SLinus Torvalds };
2351da177e4SLinus Torvalds
236b9ec0339SDenys Vlasenko static const unsigned char page25[256] = {
2371da177e4SLinus Torvalds 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
2381da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
2391da177e4SLinus Torvalds 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
2401da177e4SLinus Torvalds 0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
2411da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
2421da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
2431da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
2441da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
2451da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
2461da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
2471da177e4SLinus Torvalds 0xcd, 0xba, 0xd5, 0xd6, 0xc9, 0xb8, 0xb7, 0xbb, /* 0x50-0x57 */
2481da177e4SLinus Torvalds 0xd4, 0xd3, 0xc8, 0xbe, 0xbd, 0xbc, 0xc6, 0xc7, /* 0x58-0x5f */
2491da177e4SLinus Torvalds 0xcc, 0xb5, 0xb6, 0xb9, 0xd1, 0xd2, 0xcb, 0xcf, /* 0x60-0x67 */
2501da177e4SLinus Torvalds 0xd0, 0xca, 0xd8, 0xd7, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
2511da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
2521da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
2531da177e4SLinus Torvalds
2541da177e4SLinus Torvalds 0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
2551da177e4SLinus Torvalds 0xdb, 0x00, 0x00, 0x00, 0xdd, 0x00, 0x00, 0x00, /* 0x88-0x8f */
2561da177e4SLinus Torvalds 0xde, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
2571da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
2581da177e4SLinus Torvalds 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
2591da177e4SLinus Torvalds };
2601da177e4SLinus Torvalds
261b9ec0339SDenys Vlasenko static const unsigned char *const page_uni2charset[256] = {
2621da177e4SLinus Torvalds page00, page01, NULL, page03, NULL, NULL, NULL, NULL,
2631da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
2641da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
2651da177e4SLinus Torvalds NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
2661da177e4SLinus Torvalds page20, NULL, page22, page23, NULL, page25, NULL, NULL,
2671da177e4SLinus Torvalds };
2681da177e4SLinus Torvalds
269b9ec0339SDenys Vlasenko static const unsigned char charset2lower[256] = {
2701da177e4SLinus Torvalds 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
2711da177e4SLinus Torvalds 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
2721da177e4SLinus Torvalds 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
2731da177e4SLinus Torvalds 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
2741da177e4SLinus Torvalds 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
2751da177e4SLinus Torvalds 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
2761da177e4SLinus Torvalds 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
2771da177e4SLinus Torvalds 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
2781da177e4SLinus Torvalds 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
2791da177e4SLinus Torvalds 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
2801da177e4SLinus Torvalds 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
2811da177e4SLinus Torvalds 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
2821da177e4SLinus Torvalds 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
2831da177e4SLinus Torvalds 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
2841da177e4SLinus Torvalds 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
2851da177e4SLinus Torvalds 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
2861da177e4SLinus Torvalds
2871da177e4SLinus Torvalds 0x87, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80-0x87 */
2881da177e4SLinus Torvalds 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x84, 0x86, /* 0x88-0x8f */
2891da177e4SLinus Torvalds 0x82, 0x91, 0x91, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90-0x97 */
2901da177e4SLinus Torvalds 0x98, 0x94, 0x81, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, /* 0x98-0x9f */
2911da177e4SLinus Torvalds 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa4, 0xa6, 0xa7, /* 0xa0-0xa7 */
2921da177e4SLinus Torvalds 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
2931da177e4SLinus Torvalds 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
2941da177e4SLinus Torvalds 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */
2951da177e4SLinus Torvalds 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
2961da177e4SLinus Torvalds 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
2971da177e4SLinus Torvalds 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
2981da177e4SLinus Torvalds 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
2991da177e4SLinus Torvalds 0xe0, 0xe1, 0x00, 0xe3, 0xe5, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
3001da177e4SLinus Torvalds 0xed, 0x00, 0x00, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
3011da177e4SLinus Torvalds 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
3021da177e4SLinus Torvalds 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
3031da177e4SLinus Torvalds };
3041da177e4SLinus Torvalds
305b9ec0339SDenys Vlasenko static const unsigned char charset2upper[256] = {
3061da177e4SLinus Torvalds 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
3071da177e4SLinus Torvalds 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
3081da177e4SLinus Torvalds 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
3091da177e4SLinus Torvalds 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
3101da177e4SLinus Torvalds 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
3111da177e4SLinus Torvalds 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
3121da177e4SLinus Torvalds 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
3131da177e4SLinus Torvalds 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
3141da177e4SLinus Torvalds 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
3151da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
3161da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
3171da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
3181da177e4SLinus Torvalds 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
3191da177e4SLinus Torvalds 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
3201da177e4SLinus Torvalds 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
3211da177e4SLinus Torvalds 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
3221da177e4SLinus Torvalds
3231da177e4SLinus Torvalds 0x80, 0x9a, 0x90, 0x00, 0x8e, 0x00, 0x8f, 0x80, /* 0x80-0x87 */
3241da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x8f, /* 0x88-0x8f */
3251da177e4SLinus Torvalds 0x90, 0x92, 0x92, 0x00, 0x99, 0x00, 0x00, 0x00, /* 0x90-0x97 */
3261da177e4SLinus Torvalds 0x00, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x00, /* 0x98-0x9f */
3271da177e4SLinus Torvalds 0x00, 0x00, 0x00, 0x00, 0xa5, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
3281da177e4SLinus Torvalds 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
3291da177e4SLinus Torvalds 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
3301da177e4SLinus Torvalds 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */
3311da177e4SLinus Torvalds 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */
3321da177e4SLinus Torvalds 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
3331da177e4SLinus Torvalds 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
3341da177e4SLinus Torvalds 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xd8-0xdf */
3351da177e4SLinus Torvalds 0x00, 0xe1, 0xe2, 0x00, 0xe4, 0xe4, 0x00, 0x00, /* 0xe0-0xe7 */
3361da177e4SLinus Torvalds 0xe8, 0xe9, 0xea, 0x00, 0xec, 0xe8, 0x00, 0xef, /* 0xe8-0xef */
3371da177e4SLinus Torvalds 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
3381da177e4SLinus Torvalds 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */
3391da177e4SLinus Torvalds };
3401da177e4SLinus Torvalds
uni2char(wchar_t uni,unsigned char * out,int boundlen)3411da177e4SLinus Torvalds static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
3421da177e4SLinus Torvalds {
343b9ec0339SDenys Vlasenko const unsigned char *uni2charset;
3441da177e4SLinus Torvalds unsigned char cl = uni & 0x00ff;
3451da177e4SLinus Torvalds unsigned char ch = (uni & 0xff00) >> 8;
3461da177e4SLinus Torvalds
3471da177e4SLinus Torvalds if (boundlen <= 0)
3481da177e4SLinus Torvalds return -ENAMETOOLONG;
3491da177e4SLinus Torvalds
3501da177e4SLinus Torvalds uni2charset = page_uni2charset[ch];
3511da177e4SLinus Torvalds if (uni2charset && uni2charset[cl])
3521da177e4SLinus Torvalds out[0] = uni2charset[cl];
3531da177e4SLinus Torvalds else
3541da177e4SLinus Torvalds return -EINVAL;
3551da177e4SLinus Torvalds return 1;
3561da177e4SLinus Torvalds }
3571da177e4SLinus Torvalds
char2uni(const unsigned char * rawstring,int boundlen,wchar_t * uni)3581da177e4SLinus Torvalds static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
3591da177e4SLinus Torvalds {
3601da177e4SLinus Torvalds *uni = charset2uni[*rawstring];
3611da177e4SLinus Torvalds if (*uni == 0x0000)
3621da177e4SLinus Torvalds return -EINVAL;
3631da177e4SLinus Torvalds return 1;
3641da177e4SLinus Torvalds }
3651da177e4SLinus Torvalds
3661da177e4SLinus Torvalds static struct nls_table table = {
3671da177e4SLinus Torvalds .charset = "cp437",
3681da177e4SLinus Torvalds .uni2char = uni2char,
3691da177e4SLinus Torvalds .char2uni = char2uni,
3701da177e4SLinus Torvalds .charset2lower = charset2lower,
3711da177e4SLinus Torvalds .charset2upper = charset2upper,
3721da177e4SLinus Torvalds };
3731da177e4SLinus Torvalds
init_nls_cp437(void)3741da177e4SLinus Torvalds static int __init init_nls_cp437(void)
3751da177e4SLinus Torvalds {
3761da177e4SLinus Torvalds return register_nls(&table);
3771da177e4SLinus Torvalds }
3781da177e4SLinus Torvalds
exit_nls_cp437(void)3791da177e4SLinus Torvalds static void __exit exit_nls_cp437(void)
3801da177e4SLinus Torvalds {
3811da177e4SLinus Torvalds unregister_nls(&table);
3821da177e4SLinus Torvalds }
3831da177e4SLinus Torvalds
3841da177e4SLinus Torvalds module_init(init_nls_cp437)
3851da177e4SLinus Torvalds module_exit(exit_nls_cp437)
3861da177e4SLinus Torvalds
387*d694e46aSJeff Johnson MODULE_DESCRIPTION("NLS Codepage 437 (United States, Canada)");
3881da177e4SLinus Torvalds MODULE_LICENSE("Dual BSD/GPL");
389