RDS_HEADER_EXT_SPACE
memset(hdr->h_exthdr, RDS_EXTHDR_NONE, RDS_HEADER_EXT_SPACE);
while ((ind + 1 + len) <= RDS_HEADER_EXT_SPACE) {
if (offset >= RDS_HEADER_EXT_SPACE)
if (offset + ext_len > RDS_HEADER_EXT_SPACE)
*pos = RDS_HEADER_EXT_SPACE;
u8 h_exthdr[RDS_HEADER_EXT_SPACE];