^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * linux/fs/nls/nls_ascii.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Charset ascii translation tables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Generated automatically from the Unicode and charset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * tables from the Unicode Organization (www.unicode.org).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * The Unicode to charset table has only exact mappings.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/nls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static const wchar_t charset2uni[256] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* 0x00*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 0x0000, 0x0001, 0x0002, 0x0003,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 0x0004, 0x0005, 0x0006, 0x0007,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 0x0008, 0x0009, 0x000a, 0x000b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 0x000c, 0x000d, 0x000e, 0x000f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* 0x10*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 0x0010, 0x0011, 0x0012, 0x0013,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 0x0014, 0x0015, 0x0016, 0x0017,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 0x0018, 0x0019, 0x001a, 0x001b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 0x001c, 0x001d, 0x001e, 0x001f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* 0x20*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 0x0020, 0x0021, 0x0022, 0x0023,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 0x0024, 0x0025, 0x0026, 0x0027,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 0x0028, 0x0029, 0x002a, 0x002b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 0x002c, 0x002d, 0x002e, 0x002f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* 0x30*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 0x0030, 0x0031, 0x0032, 0x0033,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 0x0034, 0x0035, 0x0036, 0x0037,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 0x0038, 0x0039, 0x003a, 0x003b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 0x003c, 0x003d, 0x003e, 0x003f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* 0x40*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 0x0040, 0x0041, 0x0042, 0x0043,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 0x0044, 0x0045, 0x0046, 0x0047,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 0x0048, 0x0049, 0x004a, 0x004b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 0x004c, 0x004d, 0x004e, 0x004f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) /* 0x50*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 0x0050, 0x0051, 0x0052, 0x0053,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 0x0054, 0x0055, 0x0056, 0x0057,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 0x0058, 0x0059, 0x005a, 0x005b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 0x005c, 0x005d, 0x005e, 0x005f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* 0x60*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 0x0060, 0x0061, 0x0062, 0x0063,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 0x0064, 0x0065, 0x0066, 0x0067,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 0x0068, 0x0069, 0x006a, 0x006b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 0x006c, 0x006d, 0x006e, 0x006f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* 0x70*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 0x0070, 0x0071, 0x0072, 0x0073,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 0x0074, 0x0075, 0x0076, 0x0077,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 0x0078, 0x0079, 0x007a, 0x007b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 0x007c, 0x007d, 0x007e, 0x007f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static const unsigned char page00[256] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static const unsigned char *const page_uni2charset[256] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) page00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static const unsigned char charset2lower[256] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40-0x47 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x48-0x4f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50-0x57 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60-0x67 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, /* 0x68-0x6f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70-0x77 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static const unsigned char charset2upper[256] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, /* 0x18-0x1f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20-0x27 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 0x28-0x2f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30-0x37 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, /* 0x38-0x3f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40-0x47 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x48-0x4f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50-0x57 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, /* 0x58-0x5f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x60-0x67 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, /* 0x68-0x6f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x70-0x77 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) const unsigned char *uni2charset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) unsigned char cl = uni & 0x00ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) unsigned char ch = (uni & 0xff00) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (boundlen <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return -ENAMETOOLONG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) uni2charset = page_uni2charset[ch];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (uni2charset && uni2charset[cl])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) out[0] = uni2charset[cl];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) *uni = charset2uni[*rawstring];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (*uni == 0x0000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static struct nls_table table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .charset = "ascii",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .uni2char = uni2char,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .char2uni = char2uni,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .charset2lower = charset2lower,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .charset2upper = charset2upper,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static int __init init_nls_ascii(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return register_nls(&table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static void __exit exit_nls_ascii(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) unregister_nls(&table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) module_init(init_nls_ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) module_exit(exit_nls_ascii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) MODULE_LICENSE("Dual BSD/GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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