| 213,7 → 213,27 |
|---|
| fat_mark_cluster(dev_handle_t dev_handle, unsigned fatno, fat_cluster_t clst, |
| fat_cluster_t value) |
| { |
| /* TODO */ |
| block_t *bb, *blk; |
| uint16_t bps; |
| uint16_t rscnt; |
| uint16_t sf; |
| uint8_t fatcnt; |
| fat_cluster_t *cp; |
| |
| bb = block_get(dev_handle, BS_BLOCK, BS_SIZE); |
| bps = uint16_t_le2host(FAT_BS(bb)->bps); |
| rscnt = uint16_t_le2host(FAT_BS(bb)->rscnt); |
| sf = uint16_t_le2host(FAT_BS(bb)->sec_per_fat); |
| fatcnt = FAT_BS(bb)->fatcnt; |
| block_put(bb); |
| |
| assert(fatno < fatcnt); |
| blk = block_get(dev_handle, rscnt + sf * fatno + |
| (clst * sizeof(fat_cluster_t)) / bps, bps); |
| cp = (fat_cluster_t *)blk->data + clst % (bps / sizeof(fat_cluster_t)); |
| *cp = host2uint16_t_le(value); |
| blk->dirty = true; /* need to sync block */ |
| block_put(blk); |
| } |
| |
| void fat_alloc_shadow_clusters(dev_handle_t dev_handle, fat_cluster_t *lifo, |