| 140 | } |
| 141 | |
| 142 | ssize_t Fat32Volume::Read(Fat32Node* node, size_t offset, size_t size, uint8_t *buffer){ |
| 143 | if(!node->inode || node->flags & FS_NODE_DIRECTORY) return -1; |
| 144 | |
| 145 | int count; |
| 146 | void* _buf = ReadClusterChain(node->inode, &count, size); |
| 147 | |
| 148 | if(static_cast<unsigned>(count) * bootRecord->bpb.sectorsPerCluster * part->parentDisk->blocksize < size) return 0; |
| 149 | |
| 150 | memcpy(buffer, _buf, size); |
| 151 | return size; |
| 152 | } |
| 153 | |
| 154 | ssize_t Fat32Volume::Write(Fat32Node* node, size_t offset, size_t size, uint8_t *buffer){ |
| 155 | return -EROFS; |