utf8: add utf8_n_codepoints() for counting complete utf8 codepoints in a string

2018-02-14 18:41:03 +01:00
parent 7b91264852
commit 65ee8660df
2 changed files with 21 additions and 0 deletions
@@ -59,3 +59,5 @@ static inline bool utf16_is_trailing_surrogate(char16_t c) {
 static inline char32_t utf16_surrogate_pair_to_unichar(char16_t lead, char16_t trail) {
                return ((lead - 0xd800) << 10) + (trail - 0xdc00) + 0x10000;
 }
+
+size_t utf8_n_codepoints(const char *str);