| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2005, 2007-2009 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 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 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file lib/charset.h @brief Character set conversion */ |
| 19 | #ifndef CHARSET_H |
| 20 | #define CHARSET_H |
| 21 | |
| 22 | #include "log.h" |
| 23 | |
| 24 | struct dynstr; |
| 25 | |
| 26 | /* Character encoding conversion routines */ |
| 27 | |
| 28 | char *mb2utf8(const char *mb); |
| 29 | char *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 | |
| 34 | char *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 | |
| 39 | char *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 | |
| 45 | char *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 | |
| 52 | char *mb2utf8_f(char *mb); |
| 53 | char *utf82mb_f(char *utf8); |
| 54 | char *any2utf8_f(const char *from/*encoding*/, |
| 55 | char *any/*string*/); |
| 56 | char *any2mb_f(const char *from/*encoding or 0*/, |
| 57 | char *any/*string*/); |
| 58 | char *any2any_f(const char *from/*encoding or 0*/, |
| 59 | const char *to/*encoding to 0*/, |
| 60 | char *any/*string*/); |
| 61 | |
| 62 | /** @brief Insist that @p s is not null |
| 63 | * @param s Pointer to check |
| 64 | * @return @p s |
| 65 | * |
| 66 | * Terminates the process if @p s is a null pointer. |
| 67 | */ |
| 68 | static inline char *nullcheck(char *s) { |
| 69 | if(!s) exitfn(1); /* assume an error already reported */ |
| 70 | return s; |
| 71 | } |
| 72 | |
| 73 | const char *truncate_for_display(const char *s, long max); |
| 74 | |
| 75 | #endif /* CHARSET_H */ |
| 76 | |
| 77 | /* |
| 78 | Local Variables: |
| 79 | c-basic-offset:2 |
| 80 | comment-column:40 |
| 81 | End: |
| 82 | */ |