utf8: add helper that determines length in bytes of last UTF-8 character in string

2025-02-17 15:05:18 +01:00
parent 428146dc89
commit 104a6b8c39
3 changed files with 37 additions and 0 deletions
@@ -62,3 +62,5 @@ static inline char32_t utf16_surrogate_pair_to_unichar(char16_t lead, char16_t t
 size_t utf8_n_codepoints(const char *str);
 int utf8_char_console_width(const char *str);
 size_t utf8_console_width(const char *str);
+
+size_t utf8_last_length(const char *s, size_t n);