2019-03-08 09:00:55 +01:00
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//----------------------------------------------------------------------------//
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2020-09-27 17:33:48 +02:00
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// OS on Kaleid //
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2019-03-08 09:00:55 +01:00
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// //
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// Desc: Character types //
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// //
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// //
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2020-02-06 14:23:26 +01:00
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// Copyright © 2018-2020 The OS/K Team //
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2019-03-08 09:00:55 +01:00
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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2019-05-13 23:22:27 +02:00
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#include <libc.h>
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2019-03-08 09:00:55 +01:00
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#define SH(x) (1 << x)
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enum
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{
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CT = SH(0), // control
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PR = SH(1), // printing
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GR = SH(2)|PR, // graphical
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DX = SH(3)|GR, // hex digit
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DG = SH(4)|DX, // decimal digit
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SP = SH(5), // space
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BK = SH(6)|SP, // blank
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PT = SH(7)|GR, // punctuation
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AL = SH(8)|GR, // alpha
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UP = SH(9)|AL, // upper alpha
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LW = SH(10)|AL // lower alpha
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};
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int __ctype[] = {
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// ASCII ctype table
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/* 0 */ CT, CT, CT, CT, CT, CT, CT, CT, CT, BK|CT,
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/* 10 */ SP|CT, SP|CT, SP|CT, SP|CT, CT, CT, CT, CT, CT, CT,
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/* 20 */ CT, CT, CT, CT, CT, CT, CT, CT, CT, CT,
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/* 30 */ CT, CT, BK|PR, PT, PT, PT, PT, PT, PT, PT,
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/* 40 */ PT, PT, PT, PT, PT, PT, PT, PT, DG, DG,
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/* 50 */ DG, DG, DG, DG, DG, DG, DG, DG, PT, PT,
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/* 60 */ PT, PT, PT, PT, PT, UP|DX, UP|DX, UP|DX, UP|DX, UP|DX,
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/* 70 */ UP|DX, UP, UP, UP, UP, UP, UP, UP, UP, UP,
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/* 80 */ UP, UP, UP, UP, UP, UP, UP, UP, UP, UP,
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/* 90 */ UP, PT, PT, PT, PT, PT, PT, LW|DX, LW|DX, LW|DX,
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/* 100 */ LW|DX, LW|DX, LW|DX, LW, LW, LW, LW, LW, LW, LW,
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/* 110 */ LW, LW, LW, LW, LW, LW, LW, LW, LW, LW,
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/* 120 */ LW, LW, LW, PT, PT, PT, PT, CT,
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};
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2020-01-09 12:55:19 +01:00
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static_assert(sizeof(__ctype) == 128 * sizeof(int),
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"ctype table: invalid size");
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2019-03-08 09:00:55 +01:00
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int tolower(int c)
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{
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if (isupper(c)) return c + ('a' - 'A');
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return c;
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}
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int toupper(int c)
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{
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if (islower(c)) return c - ('a' - 'A');
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return c;
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}
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