🔤 UTF-8 encoding and decoding with multi-byte character support More...

Functions
int	utf8_decode (const uint8_t s, uint32_t codepoint)
	Decode a UTF-8 sequence to a Unicode codepoint.

int	utf8_display_width (const char *str)
	Calculate terminal display width of a UTF-8 string.

int	utf8_display_width_n (const char *str, size_t max_bytes)
	Calculate terminal display width of a UTF-8 string up to byte limit.

size_t	utf8_char_count (const char *str)
	Count UTF-8 characters (not bytes)

bool	utf8_is_valid (const char *str)
	Check if a string is valid UTF-8.

bool	utf8_is_ascii_only (const char *str)
	Check if a string contains only ASCII characters.

size_t	utf8_to_codepoints (const char str, uint32_t out_codepoints, size_t max_codepoints)
	Convert UTF-8 string to array of Unicode codepoints.

int	utf8_next_char_bytes (const char *str, size_t max_bytes)
	Get byte length of next UTF-8 character.

int	utf8_continuation_bytes_needed (unsigned char first_byte)
	Determine how many additional bytes are needed to complete a UTF-8 character.

int	utf8_read_and_insert_continuation_bytes (char buffer, size_t cursor, size_t len, size_t max_len, int continuation_bytes, int(read_byte_fn)(void))
	Read continuation bytes and insert them into buffer at cursor position.

const char *	utf8_strcasestr (const char haystack, const char needle)
	Case-insensitive substring search with full Unicode support.

void	utf8_write_lowercase (FILE output, const char text)
	Write UTF-8 string to file with ASCII lowercase conversion.

Detailed Description

🔤 UTF-8 encoding and decoding with multi-byte character support

Uses utf8proc Unicode library for accurate character-width computation and UTF-8 handling.

Definition in file utf8.c.

Functions