122 int Utf16ToUtf8Length(const char16_t* str16, size_t str16Len)  in Utf16ToUtf8Length()  argument
124     if (str16 == nullptr || str16Len == 0) {  in Utf16ToUtf8Length()
128     const char16_t* const str16End = str16 + str16Len;  in Utf16ToUtf8Length()
151 void StrncpyStr16ToStr8(const char16_t* utf16Str, size_t str16Len, char* utf8Str, size_t str8Len)  in StrncpyStr16ToStr8()  argument
154     const char16_t* const endUtf16 = utf16Str + str16Len;  in StrncpyStr16ToStr8()
180 char* Char16ToChar8(const char16_t* str16, size_t str16Len)  in Char16ToChar8()  argument
183     int utf8Len = Utf16ToUtf8Length(str16, str16Len);  in Char16ToChar8()
195     StrncpyStr16ToStr8(str16, str16Len, str8, utf8Len);  in Char16ToChar8()
201     size_t str16Len = str16.length();  in String16ToString8()  local
202     if (str16Len < 1) {  in String16ToString8()
206     char* str8Temp = Char16ToChar8(str16.c_str(), str16Len);  in String16ToString8()