102     check(f->ecc.rsn > 0 && f->ecc.rsn < FEC_RSM);  in parse_ecc_header()
138     if (f->ecc.roots != (int)header.roots) {  in parse_ecc_header()
139         error("unexpected number of roots: %d vs %u", f->ecc.roots,  in parse_ecc_header()
150     f->ecc.blocks = fec_div_round_up(f->data_size, FEC_BLOCKSIZE);  in parse_ecc_header()
151     f->ecc.rounds = fec_div_round_up(f->ecc.blocks, f->ecc.rsn);  in parse_ecc_header()
154             (uint32_t)f->ecc.rounds * f->ecc.roots * FEC_BLOCKSIZE) {  in parse_ecc_header()
159     f->ecc.size = header.fec_size;  in parse_ecc_header()
160     f->ecc.start = header.inp_size;  in parse_ecc_header()
170     while (n < f->ecc.size) {  in parse_ecc_header()
171         if (len > f->ecc.size - n) {  in parse_ecc_header()
172             len = f->ecc.size - n;  in parse_ecc_header()
175         if (!raw_pread(f->fd, buf, len, f->ecc.start + n)) {  in parse_ecc_header()
187     f->ecc.valid = !memcmp(hash, header.hash, SHA256_DIGEST_LENGTH);  in parse_ecc_header()
189     if (!f->ecc.valid) {  in parse_ecc_header()
355             f->ecc.start);  in load_ecc()
404     f->ecc = {};  in reset_handle()
464     if (!f->ecc.start) {  in fec_ecc_get_metadata()
469     check(f->ecc.start >= f->data_size);  in fec_ecc_get_metadata()
470     check(f->ecc.start < f->size);  in fec_ecc_get_metadata()
471     check(f->ecc.start % FEC_BLOCKSIZE == 0)  in fec_ecc_get_metadata()
473     data->valid = f->ecc.valid;  in fec_ecc_get_metadata()
474     data->roots = f->ecc.roots;  in fec_ecc_get_metadata()
475     data->blocks = f->ecc.blocks;  in fec_ecc_get_metadata()
476     data->rounds = f->ecc.rounds;  in fec_ecc_get_metadata()
477     data->start = f->ecc.start;  in fec_ecc_get_metadata()
527     f->ecc.roots = roots;  in fec_open()
528     f->ecc.rsn = FEC_RSM - roots;  in fec_open()