Mercurial > dovecot > core-2.2

annotate src/lib-charset/charset-utf8.h @ 4605:e6cb9f75b76a HEAD

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Added charset_is_utf8() and charset_to_ucase_utf8_full().
author Timo Sirainen <tss@iki.fi>
date Sat, 16 Sep 2006 16:50:21 +0300
parents 928229f8b3e6
children e5451501ff2f
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1 #ifndef __CHARSET_UTF8_H
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2 #define __CHARSET_UTF8_H
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3
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4 enum charset_result {
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5 CHARSET_RET_OK = 1,
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6 CHARSET_RET_OUTPUT_FULL = 0,
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7 CHARSET_RET_INCOMPLETE_INPUT = -1,
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8 CHARSET_RET_INVALID_INPUT = -2
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9 };
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11 /* Begin translation to UTF-8. */
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12 struct charset_translation *charset_to_utf8_begin(const char *charset,
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13 bool *unknown_charset);
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14
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15 void charset_to_utf8_end(struct charset_translation **t);
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17 void charset_to_utf8_reset(struct charset_translation *t);
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19 /* Returns TRUE if charset is UTF-8 or ASCII */
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20 bool charset_is_utf8(const char *charset);
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21
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22 /* Translate src to UTF-8. src_size is updated to contain the number of
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23 characters actually translated from src. Note that dest buffer is used
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24 only up to its current size, for growing it automatically use
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25 charset_to_ucase_utf8_full(). */
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26 enum charset_result
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27 charset_to_ucase_utf8(struct charset_translation *t,
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28 const unsigned char *src, size_t *src_size,
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29 buffer_t *dest);
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30 enum charset_result
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31 charset_to_ucase_utf8_full(struct charset_translation *t,
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32 const unsigned char *src, size_t *src_size,
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33 buffer_t *dest);
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34
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35 /* Simple wrappers for above functions. If utf8_size is non-NULL, it's set
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36 to same as strlen(returned data). */
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37 const char *
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38 charset_to_utf8_string(const char *charset, bool *unknown_charset,
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39 const unsigned char *data, size_t size,
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40 size_t *utf8_size_r);
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41 const char *
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42 charset_to_ucase_utf8_string(const char *charset, bool *unknown_charset,
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43 const unsigned char *data, size_t size,
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44 size_t *utf8_size_r);
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45
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46 void _charset_utf8_ucase(const unsigned char *src, size_t src_size,
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47 buffer_t *dest, size_t destpos);
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48 const char *_charset_utf8_ucase_strdup(const unsigned char *data, size_t size,
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49 size_t *utf8_size_r);
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50
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51 #endif