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[disorder] / lib / charset.h
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460b9539 1/*
2 * This file is part of DisOrder.
5aff007d 3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
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9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
132a5a4a 18/** @file lib/charset.h @brief Character set conversion */
460b9539 19#ifndef CHARSET_H
20#define CHARSET_H
21
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22#include "log.h"
23
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24struct dynstr;
25
460b9539 26/* Character encoding conversion routines */
27
460b9539 28char *mb2utf8(const char *mb);
29char *utf82mb(const char *utf8);
30/* various conversions, between multibyte strings (mb) in
31 * whatever the current encoding is, and UTF-8 strings (utf8). On
32 * error, a null pointer is returned and @errno@ set. */
33
34char *any2utf8(const char *from/*encoding*/,
35 const char *any/*string*/);
36/* arbitrary conversions from any null-free byte-based encoding that
37 * iconv knows about to UTF-8 */
38
39char *any2mb(const char *from/*encoding or 0*/,
40 const char *any/*string*/);
41/* Arbitrary conversions from any null-free byte-based encoding that
42 * iconv knows about to a multibyte string. If FROM is 0 then ANY is
43 * returned unchanged. */
44
45char *any2any(const char *from/*encoding or 0*/,
46 const char *to/*encoding to 0*/,
47 const char *any/*string*/);
48/* Arbitrary conversions between any null-free byte-based encodings
49 * that iconv knows. If FROM and TO are both 0 then ANY is returned
50 * unchanged. */
51
0e4472a0 52/** @brief Insist that @p s is not null
53 * @param s Pointer to check
54 * @return @p s
55 *
56 * Terminates the process if @p s is a null pointer.
57 */
460b9539 58static inline char *nullcheck(char *s) {
59 if(!s) exitfn(1); /* assume an error already reported */
60 return s;
61}
62
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63const char *truncate_for_display(const char *s, long max);
64
460b9539 65#endif /* CHARSET_H */
66
67/*
68Local Variables:
69c-basic-offset:2
70comment-column:40
71End:
72*/