~ubuntu-branches/ubuntu/trusty/gdisk/trusty-proposed : revision 1

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0.5.1:

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- Made some minor edits to the man page.

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- Incorporated RPM .spec file changes contributed by Scott Collier

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(boodle11@gmail.com).

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- Changed method of locating and loading backup GPT data, to use the

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main header's pointer, if it's valid, rather than seeking to the

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end of the disk.

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- Added 'e' option (relocate backup GPT data structures) to the experts'

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menu.

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- Fixed bug that prevented recovery of partitions in case of partially

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damaged GPT data (bad main and good backup or bad backup and good

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main header, for instance).

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0.5.0:

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- Added GPT-to-MBR conversion function. It's very limited, but potentially

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useful in some cases.

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- Fixed bug that caused incorrect file sizes to be reported on 32-bit

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Linux, thus causing problems when editing partition tables in disk images

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or when loading GPT backup files.

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- Fixed bug that caused bogus CRC error reports when loading backup GPT

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data.

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- Reorganized menus. There are now three: the main menu, the experts' menu,

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and the recovery & transformation menu. The last of these has most of the

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items that had been on the earlier versions' experts' menu.

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- Added ability to re-load the MBR and generate a fresh GPT from it. This

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is normally identical to quitting and re-running the program, but it

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could be handy if, say, the GPT partitions on a hybrid configuration are

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badly messed up; this will enable using the hybridized partitions as the

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starting point for a new GPT setup.

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- The program now generates CHS values for hybrid and GPT-to-MBR conversion

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MBRs. For the moment, the assumption is the maximum number of heads and

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sectors per track (255 and 63, respectively), although the bulk of the

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code supports other values -- it'd just be awkward to enter the data in

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the user interface.

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- Fixed minor display bug that caused number of sectors on the disk to be

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shown as 0 on large disks when running 32-bit binaries.

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- Reverted 0.4.2's zap (destroy GPT) changes, since I don't want to wipe

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out a valid MBR if the user created that MBR over an older GPT without

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first properly wiping out the GPT, and the user now wants to wipe out

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the GPT.

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- Reformatted and edited the man page. Aside from edits related to the

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preceding program changes, I've altered the markup slightly and trimmed

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much of the more tutorial information from the man page to better

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conform to typical terse man page style.

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0.4.2:

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- Code cleanup.

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- Fixed very small formatting bug in display of hex code when a match isn't

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found when converting from an MBR/gdisk hex code to a GUID type code.

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- Added the ability to work on disk image files (raw files for virtual

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machines, backup images, etc.). The program assumes that all such disk

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image files have 512-byte sectors.

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- Added verification prompt to 'o' main-menu option to avoid accidental

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erasures of all partitions.

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- The "destroy GPT data structures" option ('z' on the experts' menu) now

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also destroys all EFI GPT (0xEE) partitions in the MBR.

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- Added an extra warning to the "destroy GPT data structures" option if an APM

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or BSD disklabel was detected on the disk.

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- Added a buffer flush after destroying GPT data structures, to get the OS

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to read the new (empty or MBR-only) partition table.

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- Fixed bug that allowed entry of nonexistent partition numbers when creating

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a hybrid MBR.

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0.4.1:

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- Code cleanup/re-organization

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- Partition creation function ('n' on main menu) now uses the start of the

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largest available chunk of free space rather than the first available

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sector as the default starting sector number. This should enable easier

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partition creation if there are small bits of free space on the disk.

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- You can now specify the end point of a partition by using a minus sign,

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in which case the end point is the default value minus the specified

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size. For instance, "-200M" creates a partition that ends 200MiB before

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the default end point.

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- You can now specify the start point of a partition by using a plus or

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minus sign, in which case the start point is the specified distance from

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the start (+) or end (-) of free space. This is exactly the same as the

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new rules for entry of the end point, except that the default value is

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set differently.

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- Deleting a partition now checks for a matching hybrid MBR partition, and

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if one is found, it's deleted. Any empty space that then surrounds the

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0xEE (EFI GPT) MBR partitions is then added to the nearby 0xEE partition.

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If no non-0xEE partitions are left, a fresh protective MBR is generated.

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- Added hybrid MBR consistency check to the verify ('v') option and to

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pre-write checks. If non-0xEE/non-0x00 MBR partitions without

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corresponding GPT partitions are found, the user is warned. This finding

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does NOT prevent writing the partition table, though.

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- Added non-destructive write test when opening the device file, in order

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to detect the problem with FreeBSD being unable to write to disks with

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mounted partitions (or other potential problems).

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0.4.0:

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- Added support for BSD disklabels. The program can now convert disks that

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use "raw" disklabels, with the caveat that the first partition will

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almost certainly need to be deleted because it'll overlap the main GPT

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header; and convert disklabels contained within a GPT (or a former MBR,

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converted to GPT) partition. In the latter case, the 'b' main menu option

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is used.

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- Added support for compiling on FreeBSD.

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- Fixed bug that could cause crashes or incomplete sorts when sorting

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the partition table.

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- New partitions, including converted ones, now take on the name of the

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partition type as a default name.

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- Reorganized some code; created a separate C++ class for GPT partitions

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(GPTPart), which replaced a struct and enabled moving code from the

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bloated GPTData class into GPTPart.

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- Fixed a bug that produced spurious warnings about unknown sector sizes

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when loading a backup file.

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0.3.5:

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Note: This version was not officially publicly released; I wanted to test

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the big-endian support while developing 0.4.0.

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- Tweaked the disk type identification code to warn users to re-sync their

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hybrid MBRs when one is detected.

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- Tweaked MBR-reading code to ignore 0xEE (EFI GPT) partitions. This will

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only have an effect on a poorly partitioned MBR disk that contains an

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inappropriate EFI GPT partition, or when attempting to recover a

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corrupted disk by using the hybrid MBR for data recovery.

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- Added big-endian (PowerPC, etc.) support!

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- Added code to identify and warn of the presence of an Apple Partition

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Map (APM) on the disk.

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- Enabled MBR conversion code to handle multiple logical partitions.

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0.3.4:

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- Fixed bug that enabled (possibly accidental) entry of MBR type codes of

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0x00 in GPTData::MakeHybrid(). The fix also enables entry of default

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type code by pressing the Enter key when prompted. Applied a similar

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fix to the entry of the type code for the second protective partition,

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if one is used.

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- Fixed a typo: "sectors" was spelled "sectprs" in one spot!

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- Fixed bug that caused default entry for end sector to be refused if an

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initial value using a plus sign (e.g., "+20G") was also refused.

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0.3.3:

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- Gave users control over the way MBR partitions are assigned to slots in a

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hybrid MBR setup; the original method (putting the 0xEE partition after

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the real partitions) works well for non-boot disks, but both GRUB and

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GRUB2 become confused by this type of setup, so it needs changing.

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- Changed "blocks" to "sectors" in GPT and MBR table displays.

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- Added "Boot" column to MBR table display; shows an asterisk (*) when the

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partition's status is bootable.

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0.3.2:

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- Changed __DARWIN_UNIX03 to __APPLE__ as code to enable MacOS X support.

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- Added the ability to create a hybrid MBR ('h' on experts' menu). This was

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motivated by my discovery that Windows 7 remains brain-dead when it comes

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to the ability to boot from a GPT disk, at least on BIOS-based machines.

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- Added 'z' option to experts' menu, to destroy GPT data structures and

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exit. The intent is to use this feature to enable subsequent partitioning

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of the disk using fdisk or other GPT-unaware tools. (GNU Parted will wipe

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the GPT data structures itself when you create a new MBR ["msdos

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disklabel," in Parted parlance], so using Parted is another option.)

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- Slightly altered the effect of the 'o' command on the main menu. It now

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blanks out the protective MBR, as well as the GPT data.

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0.3.1:

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- Added Mac OS X support, provided as a patch by David Hubbard

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(david.c.hubbard@gmail.com).

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- Fixed bug in disksize() function on Mac OS. (Possibly dependent on the

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kernel and/or GCC version.) The disk size, of type uint64_t, was not

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being passed correctly, so I reorganized the function to return it as

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the function's return value rather than as a parameter. This seems to

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work OK on my Mac OS test system and on both 32- and 64-bit Linux

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systems.

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- Fixed off-by-one bug in GPTData::FindLastAvailable().

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- Fixed bug that caused display of options after a disk-write error.

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- Fixed several incorrect MacOS X partition type GUIDs, thanks to Yves

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Blusseau (1otnwmz02@sneakemail.com).

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0.3.0:

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- Changed version number to 0.3.0, reflecting the fact that I've received

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no significant bug reports and so am elevating the program to "beta"

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status. This change also entailed altering the warning the program

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displays when saving partition table changes.

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- Fixed minor bug in CHS geometry of the protective MBR's type EE partition

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(was producing 0x000200 as the start value, but should be 0x000100).

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Should be a non-critical bug since the protective MBR partition

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definition is only there to keep MBR-only disk utilities from messing

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with the disk.

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- Added ability to enter GUIDs as single massive strings rather than in

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chunks.

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0.2.2:

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- Added #include directives required to compile the program using GCC

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4.4.0.

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0.2.1:

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- Fixed partition numbering problem in reports of partition overlaps in

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verification function.

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- Fixed 1-sector partition size problem when creating new partitions

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(partitions were 1 sector too big when using the +size option).

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- Changed BytesToSI() to display values in bytes without decimal points

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(e.g., "512 bytes" rather than "512.0 bytes").

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- Added GPTData class member functions to retrieve GPT data structure

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locations on disk; used in my internal-use-only GPT-wiping program.

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- Eliminated the "a reboot is recommended" notice after writing the

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partition table.

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- Added notice after sorting the partition table to the effect that

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editing /etc/fstab and/or the boot loader files may be required.

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- Fixed bug in MBR-reading function that caused 0x0f (Win95 LBA) and 0x85

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(Linux extended) extended partitions to not be read.

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- Fixed bug in GetLastSector() (in support.cc) that would have prevented

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correct user entry of over-32-bit sector numbers on 32-bit systems.

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- Made some changes/corrections to the partition type list in

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parttypes.cc. Most of these were based on newly-discovered MBR type

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codes for Apple (Mac OS X) filesystems.

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- General code cleanup (setting explicit casts, etc.)

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0.2.0:

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- Initial semi-public release