| 53 | } |
| 54 | |
| 55 | size_t FlatFileSeq::Allocate(const FlatFilePos& pos, size_t add_size, bool& out_of_space) |
| 56 | { |
| 57 | out_of_space = false; |
| 58 | |
| 59 | unsigned int n_old_chunks = (pos.nPos + m_chunk_size - 1) / m_chunk_size; |
| 60 | unsigned int n_new_chunks = (pos.nPos + add_size + m_chunk_size - 1) / m_chunk_size; |
| 61 | if (n_new_chunks > n_old_chunks) { |
| 62 | size_t old_size = pos.nPos; |
| 63 | size_t new_size = n_new_chunks * m_chunk_size; |
| 64 | size_t inc_size = new_size - old_size; |
| 65 | |
| 66 | if (CheckDiskSpace(m_dir, inc_size)) { |
| 67 | FILE *file = Open(pos); |
| 68 | if (file) { |
| 69 | LogPrint(BCLog::VALIDATION, "Pre-allocating up to position 0x%x in %s%05u.dat\n", new_size, m_prefix, pos.nFile); |
| 70 | AllocateFileRange(file, pos.nPos, inc_size); |
| 71 | fclose(file); |
| 72 | return inc_size; |
| 73 | } |
| 74 | } else { |
| 75 | out_of_space = true; |
| 76 | } |
| 77 | } |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | bool FlatFileSeq::Flush(const FlatFilePos& pos, bool finalize) |
| 82 | { |
nothing calls this directly
no test coverage detected