483 lines
16 KiB
Plaintext
483 lines
16 KiB
Plaintext
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hfsutils - tools for reading and writing Macintosh HFS volumes
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Copyright (C) 1996-1998 Robert Leslie
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$Id: CHANGES,v 1.14 1998/11/02 22:08:20 rob Exp $
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===============================================================================
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Version 3.2.6
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* Added casts and made other changes to satisfy fussy signed/unsigned
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compilers.
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* Fixed a problem in which volumes were not marked as "cleanly unmounted,"
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causing unnecessary scavenging to occur when the volume is mounted again.
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* Fixed a problem where scavenging failed to mark all extents from the final
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B*-tree node.
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* Added a simple next-CNID verification to scavenging.
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* Introduced a flags parameter to hfs_format(); new HFS_OPT_2048 format
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option ensures 2048-byte physical-block file boundaries, compatible with
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hybrid ISO 9660 schemes.
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* New HFS_OPT_NOCACHE mount option inhibits use of libhfs' internal block
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cache, useful for RAM file systems or systems/circumstances where the
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cache may decrease performance.
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* New HFS_OPT_ZERO format/mount option forces all allocated blocks to be
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zero-initialized before use, for systems/circumstances in which blocks
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may otherwise contain random data. (This is primarily a security feature
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with a performance cost.)
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Version 3.2.5
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* Miscellaneous internal `const' and other minor changes.
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Version 3.2.4
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* Fixed a problem with the handling of catalog and extents clump sizes
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(again; first fixed in 1.15b but re-introduced in 3.0b1, alas.)
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* Modified `configure' once again to search for tcl.h/tk.h header files.
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* Changed the OS interface to operate on full block rather than byte
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offsets.
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* Moved the 800K size check from hfs_format() into v_geometry().
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Version 3.2.3
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* Fixed a problem with the B*-tree node splitting code. This could have
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caused the libhfs routines to crash under some rare circumstances.
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Version 3.2.2
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* Added support for "blessing" the MacOS System Folder by means of a new
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field in the hfsvolent struct. A new option to `hattrib' can be used to
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set this field, as can a new "bless" Tcl volume command.
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* Modified `configure' to use existing Tcl/Tk configuration information
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rather than reconstruct it.
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Version 3.2.1
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* Fixed a minor potential problem where BinHex translation might fail to
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recognize the hqx header.
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Version 3.2
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* Fixed a problem determining medium sizes under unusual conditions.
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* Modified MDB `drVCSize', `drVBMCSize', and `drCtlCSize' to new
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Sequoia-supporting `drEmbedSigWord' and `drEmbedExtent'.
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Version 3.1.1
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* Fixed a problem related to partition locations on large media.
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* Fixed a problem with suid.c on some systems.
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* Fixed a problem with font selection in `xhfs'.
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* Changed copyouts not to append `.txt' to text files if the filename
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already contains a period.
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* Fixed a few other minor problems.
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Version 3.1
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* `hmount' and friends now properly handle relative pathnames, even if
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the current directory changes.
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* Enhanced API for managing partitions: hfs_zero() will create a new,
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empty partition map on any medium. hfs_mkpart() will create a new HFS
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partition (if space allows) in the map. hfs_nparts() will return the
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number of HFS partitions currently existing on the medium.
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* hfs_mount() and hfs_format() are now more strict with the partition
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number passed to them; previously this number was ignored if the medium
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was not partitioned. Now the partition _must_ exist, or else 0 can be
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passed to ignore any partitions and select the entire medium.
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* Changed the API for hfs_create(); this routine now returns an open file
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reference upon successful creation.
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* Added bad block sparing to hfs_format(). This routine now requires two
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additional arguments specifying a list of block numbers which are
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defective on the physical medium and should be mapped out of use.
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* Character set translation is now performed as well as end-of-line
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translation in the "text" transfer mode. The routines convert MacOS
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Standard Roman to equivalent (or near-equivalent) Latin-1 (ISO 8859-1)
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sequences and vice versa. It should be noted however that these
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translations are NOT reversible for all characters.
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* Fixed a bug in xhfs.tcl which failed to include the helper `ctime'
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procedure (fixed in hfs.tcl) after it was removed from tclhfs.c.
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* Further librsrc development.
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Version 3.0b2
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* Changed the block cache mechanism so that consecutive blocks are read
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and written in single chunks, significantly improving performance.
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* Improved the efficiency of the internal routines for searching B*-trees
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by reducing the number of times the record keys are unpacked from their
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external format.
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Version 3.0b1
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* Package is now configured automatically via GNU `configure' script.
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* Numerous internal changes to support automatic configuration and improve
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portability, as well as reduce code size.
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* Bug fix: the alternate MDB was sometimes written to the wrong location
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on non-partitioned media.
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* Bug fix: the Extents Overflow file could become corrupted under some
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circumstances in which a heavily fragmented file is removed.
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* Bug fix: it was possible for the volume allocation routine to become
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caught in an infinite loop.
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* Significant librsrc development. The library can now read and return
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resources to an application, but cannot create or modify them. The
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library can be used with or without libhfs.
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* hfs_mount() now honors the software volume lock bit and makes the volume
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read-only accordingly.
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* Added a new hfs_vsetattr() routine to allow some volume attributes to
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be modified.
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* Added support for partition data blocks that do not start at the
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beginning of a partition.
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Version 2.1
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* Further hfsck development.
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* Physical blocks from the volume are now cached by the library. This
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should dramatically improve performance of the programs on some systems.
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* Modified the hfsvolent and hfsdirent structures to include several new
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fields. The hfs_vstat(), hfs_stat(), and hfs_setattr() functions now
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manipulate the new fields. Note that hfsdirent now includes a separate
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union structure for files and directories.
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* Fixed a problem on some systems with `xhfs' that caused it to terminate
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with the message `Error: can't read "data": no such variable'. The
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problem was caused by the inability to parse the system's `df' command
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output.
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Version 2.0
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* Renamed hfs_fork() to hfs_setfork(), and added hfs_getfork().
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* Modified all programs to be setuid-aware. Setuid privileges are only
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engaged when opening devices as HFS volumes; this can be useful to limit
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access to and/or help protect the structural integrity of HFS volumes,
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for example by installing the hfsutils programs setgid. N.B. This
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implementation may not be completely portable, and is isolated to the
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new source file `./suid.c'.
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* First non-beta release.
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Version 1.19b
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* Fixed a problem which prevented large volumes from being properly
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formatted by hfs_format(). This should also allow the library to
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correctly manipulate large volumes in certain other cases.
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* Adapted the code to work with Tcl 7.6 and Tk 4.2.
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* Added an HFS globbing interface to Tcl, and extended the `hfs' shell
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to use it.
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* Modified globbing routine to ignore Finder-invisible files.
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* Rewrote `hls' and `hdir'; many UNIX-like options are now available.
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* Updated the general documentation.
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* Continued development of `hfsck'.
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Version 1.18b
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* Resolved many signed/unsigned argument passing conflicts throughout the
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code. It should now compile cleanly even on very strict systems.
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* Changed the interface for hfs_read() and hfs_write() to accept a void *
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buffer pointer rather than demanding char *.
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* Made volume file locking optional for systems that don't support it.
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* Included a few other portability fixes for AIX and BeOS.
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Version 1.17b
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* Completed the implementation for `hattrib'; HFS file attributes (type,
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creator, invisible/locked) can now be changed from the command line.
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* Fixed an off-by-one error in computing catalog record key lengths.
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* Fixed a problem with backslash-quoted braces during globbing.
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* Improved Makefile handling.
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* Regularized the handling of the volume-unmounted flag.
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* Streamlined the internal and external interface header files.
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* Added a `parid' field to the hfsdirent structure.
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* Updated libhfs documentation.
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* Implemented a better error message reporting format involving pathnames.
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Version 1.16b
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* Improved the robustness of the HFS path resolution routine.
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* Fixed hfs_rename() to better detect the validity of destination paths.
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* Changed mount-time scavenging only to mark bits in the volume bitmap,
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not clear them. This reduces the risk of causing further damage to a
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corrupt disk, leaving serious recovery to more advanced tools.
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* Added file locking to hfs_mount() to prevent concurrent processes from
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potentially creating inconsistencies in a volume.
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* Added a new argument to hfs_mount() for specifying mount flags. This now
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allows a volume to be explicitly mounted read-only, read-write, or don't
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care (whichever is available).
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* Improved detection and handling of multiple same-device mounts by a single
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process.
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* Improved error message reporting for all programs.
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* Fixed a problem where hrenaming a volume caused it to become inaccessible
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until it was hmounted again.
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Version 1.15b
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* Increased buffer size for native HFS-to-HFS copies to increase
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performance.
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* Fixed a problem verifying the existence of directory threads.
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* Fixed a problem with the handling of catalog and extents clump sizes.
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Version 1.14b
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* The command-line programs now support filename globbing; see hfsutils(1)
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for syntax details.
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* File threads are now managed properly when the associated file is deleted,
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moved, or renamed. However, there is no mechanism yet to explicitly create
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or remove threads, or to use them in catalog searches.
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* The volume bitmap is now reconstructed from the catalog and extents files
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when a volume is mounted that was not previously cleanly unmounted.
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* Directories may now be deleted recursively using `xhfs'.
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* BinHex and MacBinary header fork size validation limitations have been
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relaxed. (MacBinary spec suggested 0x007fffff ~= 8MB as maximum length?)
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* Volumes are now flushed automatically by `xhfs' every 30 seconds to
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reduce risk of accidental data loss.
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* Begun work on `hfsck', a program to verify and correct HFS volume
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consistency.
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* Begun work on `librsrc', a library for manipulating the resource forks
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of HFS files.
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Version 1.13b
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* Fixed two bad extent record key sorting bugs; these could have caused
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serious problems on certain fragmented volumes.
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* Fixed a problem related to MacOS default file clump size semantics.
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* Implemented recursive directory copies in `xhfs'.
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* Files and directories may now be renamed with a mere change of case.
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* Multiple files may now be moved with `hrename'.
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* A UNIX pathname of "-" in `hcopy' may now be used to mean stdin or stdout
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when used as the source or destination target, respectively.
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Version 1.12b
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* Fix to allow mounting of some miscreant partitioned media.
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* Increased copyin/copyout buffer sizes for better performance.
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* Implemented -a for `hcopy' (automatic transfer mode selection.)
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* HFS timestamps are now relative to the current time zone.
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Version 1.11b
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* UNIX-to-HFS BinHex transfers have been implemented. All transfer modes
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are now fully implemented.
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* The overall BinHex implementation now uses the stdio library for
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somewhat better performance.
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* New libhfs routines: hfs_setattr(), hfs_fsetattr() for changing file
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and directory attributes (timestamps, type/creator, flags).
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* The copyin routines now update the relevant file information (timestamps,
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flags) for MacBinary and BinHex transfers.
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* The `hvol' command now provides better output.
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* Modified the installation procedure; separate targets now build and
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install the separate components of the package.
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* Fixed a bug in HFS filename sorting which affects the search routines;
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filenames are now sorted precisely according to MacOS idiosyncrasies.
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* Begun work on (but still unimplemented): hattrib, filename globbing.
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Version 1.10b
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* Fixed a serious bug in directory record updates; directories with names
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longer than 21 characters could get corrupted.
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* Implemented hfs_rename() and eliminated hfs_move(); functionality for
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the latter has been included in the former.
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* Added an `hrename' command. Minor changes to hcwd.c to cope with
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volume name or cwd path changes.
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* Minor changes to `xhfs'. Files can now be renamed with the interface.
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Version 1.9b
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* Modularized the libhfs code.
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* Resolved more portability issues. The code should now work regardless of
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the size or endianness of the host's datatypes.
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Version 1.8.1b
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* Fixed some portability bugs.
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Version 1.8b
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* More UI enhancements to `xhfs'.
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* UNIX-to-HFS MacBinary II transfers have been implemented; HFS-to-HFS
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copies have been implemented. Only one transfer mode (UNIX-to-HFS BinHex)
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remains unimplemented.
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* Replaced `hcat' with a generic `hcopy'. All transfer modes are supported.
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(But note: The -a option is not yet supported.)
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* Fixed a bug in the MacBinary II encoding CRC algorithm.
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* Tcl hash tables are now used to maintain open files and volumes.
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* Cleaned up some of the Tcl/Tk interface to aid compatibility with
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various versions.
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Version 1.7b
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* Many more UI enhancements to `xhfs'.
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* Files can now be copied from UNIX to HFS volumes with `xhfs' using either
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Text or Raw mode translation.
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Version 1.6b
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* Fixed a bug in the catalog manipulation routines which would allow files
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and directories to be created at the same level as the root folder.
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* Many UI enhancements to `xhfs'. Some minor enhancements to `hfs'.
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* hfs_islocked() now returns 1 if a volume is locked (read-only).
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* Extended file attributes to recognize invisible files.
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Version 1.5b
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* All cases of B*-tree record insertion have been completed.
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* B*-tree record deletion has been implemented. Files and folders may now
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be created and deleted with no limitations (other than the size of the
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volume.)
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* New commands: hrmdir, hdel
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* File writing and truncation have been implemented.
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* The library now maintains its own concept of "current volume". The last
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volume to be mounted is by default current; the new functions
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hfs_getvol() and hfs_setvol() can be used to get and set the current
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volume, respectively. All other functions will now accept a null volume
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pointer to represent the current volume.
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* Absolute pathnames may now refer to (mounted) volumes other than the one
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specified in the call; in this event the specified volume is ignored.
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Version 1.4b
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* Updated the installation procedure. The Tcl and Tk programs can now be
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built and installed optionally.
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* Fixed a minor bug which would cause the header node to be read just
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before completing a directory read.
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* Mounting the same volume more than once now returns a reference to the
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same volume, and does the right thing when each reference is
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independently unmounted.
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* Cleaned up some of the Tcl interface to deal with multiply-referenced
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volumes. `xhfs' can now deal with the same volume on both sides.
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* Renamed hfs_cwdid() to hfs_getcwd(), and added hfs_setcwd().
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* hfs_umount() now closes all open files and directories on the volume
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before unmounting it. All external references to the volume and any
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open files/directories will become invalid.
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* Enabled hfs_umountall() which will effectively unmount all volumes,
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invalidating all external volume and file references. This is a
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catch-all that should be called before a program exits. N.B.: Errors
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during volume flushing and unmounting are not reported.
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Version 1.3b
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* Enhanced writability: B*-tree file growth has been implemented. New
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directories can be created until the disk gets full.
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* Added an option to `xhfs' for creating new directories.
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Version 1.2b
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* Enhanced writability: B*-tree node splitting has been implemented. New
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directories can be created until the catalog file gets full.
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* Fixed some minor bugs in version 1.1b.
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Version 1.1b
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* Full read-only capability.
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* Limited write capability: new directories can be created only until
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a catalog node gets full.
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* New volumes can be created with hfs_format().
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