Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib/unichar.h @ 4899:c98008a7e9b7 HEAD

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added unichar_t UCS-4 type and some ucs4/utf8 functions.
author Timo Sirainen <tss@iki.fi>
date Wed, 13 Dec 2006 15:45:16 +0200
parents
children 8101787cdd1c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4899
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
1 #ifndef __UNICHAR_H
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
2 #define __UNICHAR_H
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
3
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
4 typedef uint32_t unichar_t;
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
5
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
6 extern const char *const uni_utf8_skip;
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
7
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
8 /* Returns number of characters in a NUL-terminated unicode string */
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
9 unsigned int uni_strlen(const unichar_t *str);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
10 /* Translates UTF-8 input to UCS-4 output. Returns 0 if ok, -1 if input was
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
11 invalid */
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
12 int uni_utf8_to_ucs4(const char *input, buffer_t *output);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
13 /* Translates UCS-4 input to UTF-8 output. */
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
14 void uni_ucs4_to_utf8(const unichar_t *input, size_t len, buffer_t *output);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
15
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
16 /* Returns the next UTF-8 character, or (unichar_t)-1 for invalid input and
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
17 (unichar_t)-2 for incomplete trailing character. */
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
18 unichar_t uni_utf8_get_char(const char *input);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
19 unichar_t uni_utf8_get_char_len(const unsigned char *input, size_t max_len);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
20 /* Returns UTF-8 string length with maximum input size. */
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
21 unsigned int uni_utf8_strlen_n(const void *input, size_t size);
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
22
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
23 #define uni_utf8_next_char(p) \
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
24 ((p) + uni_utf8_skip[*(const uint8_t *)(p)])
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
25
c98008a7e9b7 Added unichar_t UCS-4 type and some ucs4/utf8 functions.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
26 #endif