254            << "problems. Think carefully before saving changes with 'w' or using this disk.\n";  in Verify()
260            << "at the end of the disk. If you've added a disk to a RAID array, use the 'e'\n"  in Verify()
294       cout << "\nProblem: main header's disk GUID (" << mainHeader.diskGUID  in Verify()
295            << ") doesn't\nmatch the backup GPT header's disk GUID ("  in Verify()
318    // Check that the disk size will hold the data...  in Verify()
321       cout << "\nProblem: Disk is too small to hold all the data!\n"  in Verify()
322            << "(Disk size is " << diskSize << " sectors, needs to be "  in Verify()
335        cout << "\nProblem: Main partition table appears impossibly early on the disk.\n"  in Verify()
375       cout << "\nProblem: GPT claims the disk is larger than it is! (Claimed last usable\n"  in Verify()
377            << mainHeader.backupLBA << " and disk size is " << diskSize << " sectors.\n"  in Verify()
397            << "ignore the disk, but it is required to boot from a GPT disk on some BIOS-based\n"  in Verify()
406       cout << "\nPartition(s) in the protective MBR are too big for the disk! Creating a\n"  in Verify()
428               << "in problems with some disk encryption tools.\n";  in Verify()
433       << "for information on disk alignment.\n";  in Verify()
472    // If the disk size is 0 (the default), then it means that various  in CheckGPTSize()
487       } // Problem at start of disk  in CheckGPTSize()
499       } // Problem at end of disk  in CheckGPTSize()
538    // Check for an Apple disk signature  in CheckHeaderValidity()
749 // big for the disk. (The latter should duplicate detection of overlaps
765             cout << "\nProblem: partition " << i + 1 << " is too big for the disk.\n";  in FindInsanePartitions()
775  * Begin functions that load data from disk or save data to disk. *
780 // the partition table to a new disk and saving backups.
787       // store disk information....  in SetDisk()
832            << "This disk appears to contain an Apple-format (APM) partition table!\n";  in PartitionScan()
840 // Read GPT data from a disk.
851 …                   << ". It will be impossible to save\nchanges to this disk's partition table!\n";  in LoadPartitions()
869       // store disk information....  in LoadPartitions()
909              cout << "Disk is too small to hold GPT data (" << diskSize  in LoadPartitions()
933          cout << "Warning! Disk size is smaller than the main header indicates! Loading\n"  in ForceLoadGPTData()
934               << "secondary header from the last sector of the disk! You should use 'v' to\n"  in ForceLoadGPTData()
935               << "verify disk integrity, and perhaps options on the experts' menu to repair\n"  in ForceLoadGPTData()
936               << "the disk.\n";  in ForceLoadGPTData()
1007          cerr << "Warning! One or more CRCs don't match. You should repair the disk!\n";  in ForceLoadGPTData()
1050 // Load a single GPT header (main or backup) from the specified disk device and
1055 int GPTData::LoadHeader(struct GPTHeader *header, DiskIO & disk, uint64_t sector, int *crcOk) {  in LoadHeader()  argument
1059    disk.Seek(sector);  in LoadHeader()
1060    if (disk.Read(&tempHeader, 512) != 512) {  in LoadHeader()
1095 // Load a partition table (either main or secondary) from the specified disk,
1100 int GPTData::LoadPartitionTable(const struct GPTHeader & header, DiskIO & disk, uint64_t sector) {  in LoadPartitionTable()  argument
1107    } else if (disk.OpenForRead()) {  in LoadPartitionTable()
1109          retval = disk.Seek(header.partitionEntriesLBA);  in LoadPartitionTable()
1111          retval = disk.Seek(sector);  in LoadPartitionTable()
1117          if (disk.Read(partitions, sizeOfParts) != (int) sizeOfParts) {  in LoadPartitionTable()
1179 // Writes GPT (and protective MBR) to disk. If quiet==1, moves the second
1180 // header later on the disk without asking for permission, if necessary, and
1193       cout << "The justLooking flag is set. This probably means you can't write to the disk.\n";  in SaveGPTData()
1197    // Check that disk is really big enough to handle the second header...  in SaveGPTData()
1199       cerr << "Caution! Secondary header was placed beyond the disk's limits! Moving the\n"  in SaveGPTData()
1214          cout << "Warning! Secondary header is placed too early on the disk! Do you want to\n"  in SaveGPTData()
1250       cerr << "\nPartition(s) in the protective MBR are too big for the disk! Creating a\n"  in SaveGPTData()
1297          // system the MBR write failed but everything else was OK (on a GPT disk under  in SaveGPTData()
1309                  << "MIGHT be harmless, or the disk might be damaged! Checking it is advisable.\n";  in SaveGPTData()
1346          // MBR write closed disk, so re-open and seek to end....  in SaveGPTBackup()
1376 int GPTData::SaveHeader(struct GPTHeader *header, DiskIO & disk, uint64_t sector) {  in SaveHeader()  argument
1382    if (disk.Seek(sector)) {  in SaveHeader()
1383       if (disk.Write(header, 512) == -1)  in SaveHeader()
1385    } else allOK = 0; // if (disk.Seek()...)  in SaveHeader()
1396 int GPTData::SavePartitionTable(DiskIO & disk, uint64_t sector) {  in SavePartitionTable()  argument
1400    if (disk.Seek(sector)) {  in SavePartitionTable()
1403       if (disk.Write(partitions, mainHeader.sizeOfPartitionEntries * numParts) == -1)  in SavePartitionTable()
1453             cout << "Warning! Current disk size doesn't match that of the backup!\n"  in LoadGPTBackup()
1482 // This function destroys the on-disk GPT structures, but NOT the on-disk
1536       cout << "GPT data structures destroyed! You may now partition the disk using fdisk or\n"  in DestroyGPT()
1545 // Wipe MBR data from the disk (zero it out completely)
1591    cout << "Disk " << device << ": " << diskSize << " sectors, "  in DisplayGPTData()
1599    cout << "Disk identifier (GUID): " << mainHeader.diskGUID << "\n";  in DisplayGPTData()
1690               << "Caution: Found protective or hybrid MBR and corrupt GPT. Using GPT, but disk\n"  in UseWhichPartitions()
1696       } // if/else MBR says disk is GPT  in UseWhichPartitions()
1732    // when doing a disk verification  in XFormPartitions()
1791    // when doing a disk verification  in XFormDisklabel()
2030 // program was launched on an MBR disk, and those may need to be
2057    // Now some semi-static items (computed based on end of disk)  in ClearGPTData()
2061    // Set a unique GUID for the disk, based on random numbers  in ClearGPTData()
2079 // Set the location of the second GPT header data to the end of the disk.
2080 // If the disk size has actually changed, this also adjusts the protective
2083 // transformation menu, to help users of RAID arrays who add disk space
2114 // Set the disk GUID to the specified value. Note that the header CRCs must
2136 // Set new random GUIDs for the disk and all partitions. Intended to be used
2137 // after disk cloning or similar operations that don't randomize the GUIDs.
2278  * Functions that return data about disk free space *
2316 // Returns the LBA of the start of the first partition on the disk (by
2330 // Returns the LBA of the end of the last partition on the disk (by
2345 // space on the disk. Returns 0 if there are no available blocks left
2365 // Find the last available block on the disk.
2501          cout << "Warning: Setting alignment to a value that does not match the disk's\n"  in SetAlignment()
2517 // and the disk is bigger than SMALLEST_ADVANCED_FORMAT, resets it to 8. This
2607 // Return (not for modification!) the disk's GUID value