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f405e86d SL |
1 | /* gunicode.h - Unicode manipulation functions |
2 | * | |
3 | * Copyright (C) 1999, 2000 Tom Tromey | |
4 | * Copyright 2000, 2005 Red Hat, Inc. | |
5 | */ | |
6 | ||
7 | #include <stdint.h> | |
8 | #include <stdbool.h> | |
9 | #include <stdlib.h> | |
10 | ||
11 | char *utf8_prev_char (const char *p); | |
12 | ||
13 | extern const char utf8_skip_data[256]; | |
14 | ||
15 | /** | |
16 | * g_utf8_next_char: | |
17 | * @p: Pointer to the start of a valid UTF-8 character | |
18 | * | |
19 | * Skips to the next character in a UTF-8 string. The string must be | |
20 | * valid; this macro is as fast as possible, and has no error-checking. | |
21 | * You would use this macro to iterate over a string character by | |
22 | * character. The macro returns the start of the next UTF-8 character. | |
23 | * Before using this macro, use g_utf8_validate() to validate strings | |
24 | * that may contain invalid UTF-8. | |
25 | */ | |
26 | #define utf8_next_char(p) (char *)((p) + utf8_skip_data[*(const unsigned char *)(p)]) | |
27 | ||
28 | bool unichar_iswide (uint32_t c); |