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jcs   utf8: Import from Carl Latest amendment: 112 on 2024-09-17

1 /*
2 * Copyright (c) 2022 joshua stein <jcs@jcs.org>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef __UTF8_H__
18 #define __UTF8_H__
19
20 #include "util.h"
21
22 typedef unsigned long utf8_codepoint;
23
24 #define UTF8_ACCEPT 0
25 #define UTF8_REJECT 1
26
27 #define UTF8_UNKNOWN_MACROMAN '◊'
28
29 utf8_codepoint utf8_decode(utf8_codepoint *state, utf8_codepoint *codep,
30 utf8_codepoint byte);
31 size_t utf8_to_macroman_string(char *str, size_t len, char *ret);
32 size_t macroman_to_utf8_string(char *str, size_t len, char **retp);
33 size_t iso88591_to_macroman_string(char *str, size_t len, char **retp);
34
35 #endif