1 /* 2 * upcase.c - Generate the full NTFS Unicode upcase table in little endian. 3 * Part of the Linux-NTFS project. 4 * 5 * Copyright (c) 2001 Richard Russon <ntfs@flatcap.org> 6 * Copyright (c) 2001-2004 Anton Altaparmakov 7 * 8 * Modified for mkntfs inclusion 9 June 2001 by Anton Altaparmakov. 9 * Modified for kernel inclusion 10 September 2001 by Anton Altparmakov. 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the Free 13 * Software Foundation; either version 2 of the License, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program (in the main directory of the Linux-NTFS source 23 * in the file COPYING); if not, write to the Free Software Foundation, 24 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 */ 26 27 #include "malloc.h" 28 #include "ntfs.h" 29 30 ntfschar *generate_default_upcase(void) 31 { 32 static const int uc_run_table[][3] = { /* Start, End, Add */ 33 {0x0061, 0x007B, -32}, {0x0451, 0x045D, -80}, {0x1F70, 0x1F72, 74}, 34 {0x00E0, 0x00F7, -32}, {0x045E, 0x0460, -80}, {0x1F72, 0x1F76, 86}, 35 {0x00F8, 0x00FF, -32}, {0x0561, 0x0587, -48}, {0x1F76, 0x1F78, 100}, 36 {0x0256, 0x0258, -205}, {0x1F00, 0x1F08, 8}, {0x1F78, 0x1F7A, 128}, 37 {0x028A, 0x028C, -217}, {0x1F10, 0x1F16, 8}, {0x1F7A, 0x1F7C, 112}, 38 {0x03AC, 0x03AD, -38}, {0x1F20, 0x1F28, 8}, {0x1F7C, 0x1F7E, 126}, 39 {0x03AD, 0x03B0, -37}, {0x1F30, 0x1F38, 8}, {0x1FB0, 0x1FB2, 8}, 40 {0x03B1, 0x03C2, -32}, {0x1F40, 0x1F46, 8}, {0x1FD0, 0x1FD2, 8}, 41 {0x03C2, 0x03C3, -31}, {0x1F51, 0x1F52, 8}, {0x1FE0, 0x1FE2, 8}, 42 {0x03C3, 0x03CC, -32}, {0x1F53, 0x1F54, 8}, {0x1FE5, 0x1FE6, 7}, 43 {0x03CC, 0x03CD, -64}, {0x1F55, 0x1F56, 8}, {0x2170, 0x2180, -16}, 44 {0x03CD, 0x03CF, -63}, {0x1F57, 0x1F58, 8}, {0x24D0, 0x24EA, -26}, 45 {0x0430, 0x0450, -32}, {0x1F60, 0x1F68, 8}, {0xFF41, 0xFF5B, -32}, 46 {0} 47 }; 48 49 static const int uc_dup_table[][2] = { /* Start, End */ 50 {0x0100, 0x012F}, {0x01A0, 0x01A6}, {0x03E2, 0x03EF}, {0x04CB, 0x04CC}, 51 {0x0132, 0x0137}, {0x01B3, 0x01B7}, {0x0460, 0x0481}, {0x04D0, 0x04EB}, 52 {0x0139, 0x0149}, {0x01CD, 0x01DD}, {0x0490, 0x04BF}, {0x04EE, 0x04F5}, 53 {0x014A, 0x0178}, {0x01DE, 0x01EF}, {0x04BF, 0x04BF}, {0x04F8, 0x04F9}, 54 {0x0179, 0x017E}, {0x01F4, 0x01F5}, {0x04C1, 0x04C4}, {0x1E00, 0x1E95}, 55 {0x018B, 0x018B}, {0x01FA, 0x0218}, {0x04C7, 0x04C8}, {0x1EA0, 0x1EF9}, 56 {0} 57 }; 58 59 static const int uc_word_table[][2] = { /* Offset, Value */ 60 {0x00FF, 0x0178}, {0x01AD, 0x01AC}, {0x01F3, 0x01F1}, {0x0269, 0x0196}, 61 {0x0183, 0x0182}, {0x01B0, 0x01AF}, {0x0253, 0x0181}, {0x026F, 0x019C}, 62 {0x0185, 0x0184}, {0x01B9, 0x01B8}, {0x0254, 0x0186}, {0x0272, 0x019D}, 63 {0x0188, 0x0187}, {0x01BD, 0x01BC}, {0x0259, 0x018F}, {0x0275, 0x019F}, 64 {0x018C, 0x018B}, {0x01C6, 0x01C4}, {0x025B, 0x0190}, {0x0283, 0x01A9}, 65 {0x0192, 0x0191}, {0x01C9, 0x01C7}, {0x0260, 0x0193}, {0x0288, 0x01AE}, 66 {0x0199, 0x0198}, {0x01CC, 0x01CA}, {0x0263, 0x0194}, {0x0292, 0x01B7}, 67 {0x01A8, 0x01A7}, {0x01DD, 0x018E}, {0x0268, 0x0197}, 68 {0} 69 }; 70 71 int i, r; 72 ntfschar *uc; 73 74 uc = ntfs_malloc_nofs(default_upcase_len * sizeof(ntfschar)); 75 if (!uc) 76 return uc; 77 memset(uc, 0, default_upcase_len * sizeof(ntfschar)); 78 for (i = 0; i < default_upcase_len; i++) 79 uc[i] = cpu_to_le16(i); 80 for (r = 0; uc_run_table[r][0]; r++) 81 for (i = uc_run_table[r][0]; i < uc_run_table[r][1]; i++) 82 uc[i] = cpu_to_le16((le16_to_cpu(uc[i]) + 83 uc_run_table[r][2])); 84 for (r = 0; uc_dup_table[r][0]; r++) 85 for (i = uc_dup_table[r][0]; i < uc_dup_table[r][1]; i += 2) 86 uc[i + 1] = cpu_to_le16(le16_to_cpu(uc[i + 1]) - 1); 87 for (r = 0; uc_word_table[r][0]; r++) 88 uc[uc_word_table[r][0]] = cpu_to_le16(uc_word_table[r][1]); 89 return uc; 90 } 91