forked from Minki/linux
84514eae4c
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program in the main directory of the linux [ntfs] source in the file copying if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520075212.609299512@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
3.1 KiB
C
74 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* upcase.c - Generate the full NTFS Unicode upcase table in little endian.
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* Part of the Linux-NTFS project.
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*
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* Copyright (c) 2001 Richard Russon <ntfs@flatcap.org>
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* Copyright (c) 2001-2006 Anton Altaparmakov
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*/
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#include "malloc.h"
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#include "ntfs.h"
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ntfschar *generate_default_upcase(void)
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{
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static const int uc_run_table[][3] = { /* Start, End, Add */
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{0x0061, 0x007B, -32}, {0x0451, 0x045D, -80}, {0x1F70, 0x1F72, 74},
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{0x00E0, 0x00F7, -32}, {0x045E, 0x0460, -80}, {0x1F72, 0x1F76, 86},
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{0x00F8, 0x00FF, -32}, {0x0561, 0x0587, -48}, {0x1F76, 0x1F78, 100},
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{0x0256, 0x0258, -205}, {0x1F00, 0x1F08, 8}, {0x1F78, 0x1F7A, 128},
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{0x028A, 0x028C, -217}, {0x1F10, 0x1F16, 8}, {0x1F7A, 0x1F7C, 112},
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{0x03AC, 0x03AD, -38}, {0x1F20, 0x1F28, 8}, {0x1F7C, 0x1F7E, 126},
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{0x03AD, 0x03B0, -37}, {0x1F30, 0x1F38, 8}, {0x1FB0, 0x1FB2, 8},
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{0x03B1, 0x03C2, -32}, {0x1F40, 0x1F46, 8}, {0x1FD0, 0x1FD2, 8},
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{0x03C2, 0x03C3, -31}, {0x1F51, 0x1F52, 8}, {0x1FE0, 0x1FE2, 8},
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{0x03C3, 0x03CC, -32}, {0x1F53, 0x1F54, 8}, {0x1FE5, 0x1FE6, 7},
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{0x03CC, 0x03CD, -64}, {0x1F55, 0x1F56, 8}, {0x2170, 0x2180, -16},
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{0x03CD, 0x03CF, -63}, {0x1F57, 0x1F58, 8}, {0x24D0, 0x24EA, -26},
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{0x0430, 0x0450, -32}, {0x1F60, 0x1F68, 8}, {0xFF41, 0xFF5B, -32},
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{0}
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};
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static const int uc_dup_table[][2] = { /* Start, End */
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{0x0100, 0x012F}, {0x01A0, 0x01A6}, {0x03E2, 0x03EF}, {0x04CB, 0x04CC},
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{0x0132, 0x0137}, {0x01B3, 0x01B7}, {0x0460, 0x0481}, {0x04D0, 0x04EB},
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{0x0139, 0x0149}, {0x01CD, 0x01DD}, {0x0490, 0x04BF}, {0x04EE, 0x04F5},
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{0x014A, 0x0178}, {0x01DE, 0x01EF}, {0x04BF, 0x04BF}, {0x04F8, 0x04F9},
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{0x0179, 0x017E}, {0x01F4, 0x01F5}, {0x04C1, 0x04C4}, {0x1E00, 0x1E95},
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{0x018B, 0x018B}, {0x01FA, 0x0218}, {0x04C7, 0x04C8}, {0x1EA0, 0x1EF9},
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{0}
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};
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static const int uc_word_table[][2] = { /* Offset, Value */
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{0x00FF, 0x0178}, {0x01AD, 0x01AC}, {0x01F3, 0x01F1}, {0x0269, 0x0196},
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{0x0183, 0x0182}, {0x01B0, 0x01AF}, {0x0253, 0x0181}, {0x026F, 0x019C},
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{0x0185, 0x0184}, {0x01B9, 0x01B8}, {0x0254, 0x0186}, {0x0272, 0x019D},
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{0x0188, 0x0187}, {0x01BD, 0x01BC}, {0x0259, 0x018F}, {0x0275, 0x019F},
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{0x018C, 0x018B}, {0x01C6, 0x01C4}, {0x025B, 0x0190}, {0x0283, 0x01A9},
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{0x0192, 0x0191}, {0x01C9, 0x01C7}, {0x0260, 0x0193}, {0x0288, 0x01AE},
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{0x0199, 0x0198}, {0x01CC, 0x01CA}, {0x0263, 0x0194}, {0x0292, 0x01B7},
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{0x01A8, 0x01A7}, {0x01DD, 0x018E}, {0x0268, 0x0197},
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{0}
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};
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int i, r;
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ntfschar *uc;
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uc = ntfs_malloc_nofs(default_upcase_len * sizeof(ntfschar));
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if (!uc)
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return uc;
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memset(uc, 0, default_upcase_len * sizeof(ntfschar));
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/* Generate the little endian Unicode upcase table used by ntfs. */
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for (i = 0; i < default_upcase_len; i++)
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uc[i] = cpu_to_le16(i);
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for (r = 0; uc_run_table[r][0]; r++)
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for (i = uc_run_table[r][0]; i < uc_run_table[r][1]; i++)
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le16_add_cpu(&uc[i], uc_run_table[r][2]);
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for (r = 0; uc_dup_table[r][0]; r++)
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for (i = uc_dup_table[r][0]; i < uc_dup_table[r][1]; i += 2)
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le16_add_cpu(&uc[i + 1], -1);
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for (r = 0; uc_word_table[r][0]; r++)
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uc[uc_word_table[r][0]] = cpu_to_le16(uc_word_table[r][1]);
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return uc;
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}
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