diff options
| -rw-r--r-- | src/Format/Tcformat.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/src/Format/Tcformat.c b/src/Format/Tcformat.c index a2eb828d..e98a25da 100644 --- a/src/Format/Tcformat.c +++ b/src/Format/Tcformat.c @@ -3705,24 +3705,44 @@ static void UpdateClusterSizeList (HWND hwndDlg, int fsType) SendMessage (GetDlgItem (hwndDlg, IDC_CLUSTERSIZE), CB_RESETCONTENT, 0, 0); AddComboPair (GetDlgItem (hwndDlg, IDC_CLUSTERSIZE), GetString ("DEFAULT"), 0); - for (int i = 1; i <= 128; i *= 2) + for (int i = 1; i <= 65536; i *= 2) { wstringstream s; DWORD size = GetFormatSectorSize() * i; - if (size > TC_MAX_FAT_CLUSTER_SIZE) + /* cluster size makes sense only when there is a filesystem */ + if (fsType == FILESYS_NONE) + break; + + /* FAT supports at maximum 64K when sector size is 512, and at maximum 256K when sector size is larger than 512 */ + /* For now we set maximum cluster size to 64K in all cases for compatibility with exiting FAT code in VeraCrypt */ + if ((fsType == FILESYS_FAT) && (size > 64*BYTES_PER_KB)) break; /* ReFS supports only 4KiB and 64KiB clusters */ if ((fsType == FILESYS_REFS) && (size != 4*BYTES_PER_KB) && (size != 64*BYTES_PER_KB)) continue; + /* NTFS supports at maximum 2M cluster */ + if ((fsType == FILESYS_NTFS) && (size > 2*BYTES_PER_MB)) + break; + + /* exFAT supports at maximum 32M cluster */ + if ((fsType == FILESYS_EXFAT) && (size > 32*BYTES_PER_MB)) + break; + if (size == 512) - s << L"0.5"; - else + s << L"0.5 " << GetString ("KB"); + else if (size < BYTES_PER_MB) + { s << size / BYTES_PER_KB; - - s << L" " << GetString ("KB"); + s << L" " << GetString ("KB"); + } + else + { + s << size / BYTES_PER_MB; + s << L" " << GetString ("MB"); + } AddComboPair (GetDlgItem (hwndDlg, IDC_CLUSTERSIZE), s.str().c_str(), i); } |