549         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF16()  local
550         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF16()
554         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF16()
561         switch (extraBytesToRead) {  in ConvertUTF8toUTF16()
569         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF16()
572             source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
579                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF16()
591                 source -= (extraBytesToRead+1); /* return to the start */  in ConvertUTF8toUTF16()
599                 source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
623         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF32Impl()  local
624         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF32Impl()
646         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF32Impl()
665         switch (extraBytesToRead) {  in ConvertUTF8toUTF32Impl()
673         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF32Impl()
682                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF32Impl()