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Diffstat (limited to 'src/libsystemd-basic/include/systemd-basic/gunicode.h')
-rw-r--r-- | src/libsystemd-basic/include/systemd-basic/gunicode.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/libsystemd-basic/include/systemd-basic/gunicode.h b/src/libsystemd-basic/include/systemd-basic/gunicode.h new file mode 100644 index 0000000000..5975bc8fc9 --- /dev/null +++ b/src/libsystemd-basic/include/systemd-basic/gunicode.h @@ -0,0 +1,30 @@ +#pragma once + +/* gunicode.h - Unicode manipulation functions + * + * Copyright (C) 1999, 2000 Tom Tromey + * Copyright 2000, 2005 Red Hat, Inc. + */ + +#include <stdbool.h> +#include <stdint.h> +#include <stdlib.h> + +char *utf8_prev_char (const char *p); + +extern const char utf8_skip_data[256]; + +/** + * g_utf8_next_char: + * @p: Pointer to the start of a valid UTF-8 character + * + * Skips to the next character in a UTF-8 string. The string must be + * valid; this macro is as fast as possible, and has no error-checking. + * You would use this macro to iterate over a string character by + * character. The macro returns the start of the next UTF-8 character. + * Before using this macro, use g_utf8_validate() to validate strings + * that may contain invalid UTF-8. + */ +#define utf8_next_char(p) (char *)((p) + utf8_skip_data[*(const unsigned char *)(p)]) + +bool unichar_iswide (uint32_t c); |