1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Some of the source code in this file came from fs/cifs/uniupr.h 4 * Copyright (c) International Business Machines Corp., 2000,2002 5 * 6 * Some of the source code in this file came from fs/cifs/cifs_unicode.c 7 * 8 * Copyright (c) International Business Machines Corp., 2000,2009 9 * Modified by Steve French (sfrench@us.ibm.com) 10 * Modified by Namjae Jeon (linkinjeon@kernel.org) 11 * 12 */ 13 #include <linux/fs.h> 14 #include <linux/module.h> 15 #include <linux/slab.h> 16 #include <linux/unaligned.h> 17 #include "nls_ucs2_utils.h" 18 19 MODULE_DESCRIPTION("NLS UCS-2"); 20 MODULE_LICENSE("GPL"); 21 22 /* 23 * Latin upper case 24 */ 25 signed char NlsUniUpperTable[512] = { 26 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 000-00f */ 27 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 010-01f */ 28 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 020-02f */ 29 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 030-03f */ 30 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 040-04f */ 31 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 050-05f */ 32 0, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 33 -32, -32, -32, -32, -32, /* 060-06f */ 34 -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 35 -32, 0, 0, 0, 0, 0, /* 070-07f */ 36 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 080-08f */ 37 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 090-09f */ 38 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0a0-0af */ 39 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0b0-0bf */ 40 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0c0-0cf */ 41 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0d0-0df */ 42 -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 43 -32, -32, -32, -32, -32, -32, /* 0e0-0ef */ 44 -32, -32, -32, -32, -32, -32, -32, 0, -32, -32, 45 -32, -32, -32, -32, -32, 121, /* 0f0-0ff */ 46 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 100-10f */ 47 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 110-11f */ 48 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 120-12f */ 49 0, 0, 0, -1, 0, -1, 0, -1, 0, 0, -1, 0, -1, 0, -1, 0, /* 130-13f */ 50 -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, 0, -1, 0, -1, 0, -1, /* 140-14f */ 51 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 150-15f */ 52 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 160-16f */ 53 0, -1, 0, -1, 0, -1, 0, -1, 0, 0, -1, 0, -1, 0, -1, 0, /* 170-17f */ 54 0, 0, 0, -1, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, /* 180-18f */ 55 0, 0, -1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, /* 190-19f */ 56 0, -1, 0, -1, 0, -1, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, /* 1a0-1af */ 57 -1, 0, 0, 0, -1, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, /* 1b0-1bf */ 58 0, 0, 0, 0, 0, -1, -2, 0, -1, -2, 0, -1, -2, 0, -1, 0, /* 1c0-1cf */ 59 -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, -79, 0, -1, /* 1d0-1df */ 60 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e0-1ef */ 61 0, 0, -1, -2, 0, -1, 0, 0, 0, -1, 0, -1, 0, -1, 0, -1, /* 1f0-1ff */ 62 }; 63 EXPORT_SYMBOL_GPL(NlsUniUpperTable); 64 65 /* Upper case range - Greek */ 66 static signed char UniCaseRangeU03a0[47] = { 67 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -38, -37, -37, -37, /* 3a0-3af */ 68 0, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 69 -32, -32, -32, -32, /* 3b0-3bf */ 70 -32, -32, -31, -32, -32, -32, -32, -32, -32, -32, -32, -32, -64, 71 -63, -63, 72 }; 73 74 /* Upper case range - Cyrillic */ 75 static signed char UniCaseRangeU0430[48] = { 76 -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 77 -32, -32, -32, -32, /* 430-43f */ 78 -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 79 -32, -32, -32, -32, /* 440-44f */ 80 0, -80, -80, -80, -80, -80, -80, -80, -80, -80, -80, 81 -80, -80, 0, -80, -80, /* 450-45f */ 82 }; 83 84 /* Upper case range - Extended cyrillic */ 85 static signed char UniCaseRangeU0490[61] = { 86 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 490-49f */ 87 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 4a0-4af */ 88 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 4b0-4bf */ 89 0, 0, -1, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, 90 }; 91 92 /* Upper case range - Extended latin and greek */ 93 static signed char UniCaseRangeU1e00[509] = { 94 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e00-1e0f */ 95 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e10-1e1f */ 96 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e20-1e2f */ 97 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e30-1e3f */ 98 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e40-1e4f */ 99 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e50-1e5f */ 100 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e60-1e6f */ 101 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e70-1e7f */ 102 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e80-1e8f */ 103 0, -1, 0, -1, 0, -1, 0, 0, 0, 0, 0, -59, 0, -1, 0, -1, /* 1e90-1e9f */ 104 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1ea0-1eaf */ 105 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1eb0-1ebf */ 106 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1ec0-1ecf */ 107 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1ed0-1edf */ 108 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1ee0-1eef */ 109 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, 0, 0, 0, 0, 0, /* 1ef0-1eff */ 110 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f00-1f0f */ 111 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f10-1f1f */ 112 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f20-1f2f */ 113 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f30-1f3f */ 114 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f40-1f4f */ 115 0, 8, 0, 8, 0, 8, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f50-1f5f */ 116 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f60-1f6f */ 117 74, 74, 86, 86, 86, 86, 100, 100, 0, 0, 112, 112, 118 126, 126, 0, 0, /* 1f70-1f7f */ 119 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f80-1f8f */ 120 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1f90-1f9f */ 121 8, 8, 8, 8, 8, 8, 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, /* 1fa0-1faf */ 122 8, 8, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1fb0-1fbf */ 123 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1fc0-1fcf */ 124 8, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1fd0-1fdf */ 125 8, 8, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1fe0-1fef */ 126 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127 }; 128 129 /* Upper case range - Wide latin */ 130 static signed char UniCaseRangeUff40[27] = { 131 0, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 132 -32, -32, -32, -32, -32, /* ff40-ff4f */ 133 -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 134 }; 135 136 /* 137 * Upper Case Range 138 */ 139 const struct UniCaseRange NlsUniUpperRange[] = { 140 {0x03a0, 0x03ce, UniCaseRangeU03a0}, 141 {0x0430, 0x045f, UniCaseRangeU0430}, 142 {0x0490, 0x04cc, UniCaseRangeU0490}, 143 {0x1e00, 0x1ffc, UniCaseRangeU1e00}, 144 {0xff40, 0xff5a, UniCaseRangeUff40}, 145 {0} 146 }; 147 EXPORT_SYMBOL_GPL(NlsUniUpperRange); 148