562     char* const paxHeader = buf + PAXHEADER_OFFSET; // use a different chunk of  in write_tarfile()  local
564     char* const paxData = paxHeader + PAXHEADER_SIZE;  in write_tarfile()
660         memcpy(paxHeader, buf, 512);  in write_tarfile()
663         memset(paxHeader, 0, 100);                  // rewrite the name area  in write_tarfile()
664         snprintf(paxHeader, 100, "PaxHeader/%s", leaf.c_str());  in write_tarfile()
665         memset(paxHeader + 345, 0, 155);            // rewrite the prefix area  in write_tarfile()
666         strncpy(paxHeader + 345, prefix.c_str(), 155);  in write_tarfile()
668         paxHeader[156] = 'x';                       // mark it as a pax extended header  in write_tarfile()
671         memset(paxHeader + 124, 0, 12);  in write_tarfile()
672         snprintf(paxHeader + 124, 12, "%011o", (unsigned int)paxLen);  in write_tarfile()
675         calc_tar_checksum(paxHeader, PAXHEADER_SIZE);  in write_tarfile()
676         send_tarfile_chunk(writer, paxHeader, 512);  in write_tarfile()