func (cd Iconv) Do(inbuf []byte, in int, outbuf []byte) (out, inleft int, err error) {
if in == 0 {
return
}
inbytes := C.size_t(in)
inptr := &inbuf[0]
outbytes := C.size_t(len(outbuf))
outptr := &outbuf[0]
_, err = C.bridge_iconv(cd.Handle,
(*C.char)(unsafe.Pointer(inptr)), &inbytes,
(*C.char)(unsafe.Pointer(outptr)), &outbytes)
out = len(outbuf) - int(outbytes)
inleft = int(inbytes)
return
}
func (cd Iconv) DoWrite(w io.Writer, inbuf []byte, in int, outbuf []byte) (inleft int, err error) {
if in == 0 {
return
}
inbytes := C.size_t(in)
inptr := &inbuf[0]
for inbytes > 0 {
outbytes := C.size_t(len(outbuf))
outptr := &outbuf[0]
_, err = C.bridge_iconv(cd.Handle,
(*C.char)(unsafe.Pointer(inptr)), &inbytes,
(*C.char)(unsafe.Pointer(outptr)), &outbytes)
w.Write(outbuf[:len(outbuf)-int(outbytes)])
if err != nil && err != E2BIG {
return int(inbytes), err
}
}
return 0, nil
}