1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
2018-02-12 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.20 released.
* split.cc: Fixed splitting of files > 64 KiB broken since 1.16.
* main.cc: Added new option '--dump-tdata'.
* main.cc: Added new option '--remove-tdata'.
* main.cc: Added new option '--strip-tdata'.
* main.cc: Added new option '--loose-trailing'.
* Improved corrupt header detection to HD=3.
* main.cc: Show corrupt or truncated header in multimember file.
* Replaced 'bits/byte' with inverse compression ratio in output.
* Show progress of decompression at verbosity level 2 (-vv).
* Show progress of decompression only if stderr is a terminal.
* main.cc: Show final diagnostic when testing multiple files.
* decoder.cc (verify_trailer): Show stored sizes also in hex.
Show dictionary size at verbosity level 4 (-vvvv).
2017-04-10 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.19 released.
* merge.cc: Fix members with thousands of scattered errors.
* Option '-a' now works with '-l' and '-D'.
* The output of option '-l, --list' has been simplified.
* main.cc: Continue testing if any input file is a terminal.
* main.cc: Show trailing data in both hexadecimal and ASCII.
* file_index.cc: Improve detection of bad dict and trailing data.
* file_index.cc: Skip trailing data more efficiently.
* lzip.h: Unified messages for bad magic, trailing data, etc.
* New struct Bad_byte allows delta and flip modes for bad_value.
* unzcrash.cc: Added new option '-e, --set-byte'.
2016-05-12 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.18 released.
* main.cc: Added new option '-a, --trailing-error'.
* merge.cc (open_input_files): Use CRC to test identical files.
* repair.cc (repair_file): Detect gross damage before repairing.
* repair.cc: Repair a damaged dictionary size in the header.
* repair.cc: Try bytes at offsets 7 to 11 first.
* Decompression time has been reduced by 2%.
* main.cc (decompress): Print up to 6 bytes of trailing data
when '-tvvvv' is specified.
* decoder.cc (verify_trailer): Removed test of final code.
* main.cc (main): Delete '--output' file if infd is a terminal.
* main.cc (main): Don't use stdin more than once.
* Use 'close_and_set_permissions' and 'set_signals' in all modes.
* range_dec.cc (list_file): Show dictionary size and size of
trailing data (if any) with '-lv'.
* Added new option '-A, --alone-to-lz'.
* Added new option '-W, --debug-decompress'.
* Added new option '-X, --show-packets'.
* Changed short name of option '--debug-delay' to '-Y'.
* Changed short name of option '--debug-repair' to '-Z'.
* unzcrash.cc: Added new option '-B, --block'.
* unzcrash.cc: Added new option '-d, --delta'.
* unzcrash.cc: Added new option '-t, --truncate'.
* unzcrash.cc: Added new option '-z, --zcmp'.
* unzcrash.cc: Read files as large as RAM allows.
* unzcrash.cc: Compare output using zcmp if decompressor returns 0.
* unzcrash.cc: Accept negative position and size.
* lzip.texi: Added chapter 'Trailing data'.
* configure: Avoid warning on some shells when testing for g++.
* Makefile.in: Detect the existence of install-info.
* check.sh: Don't check error messages.
* check.sh: A POSIX shell is required to run the tests.
2015-05-28 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.17 released.
* New block selection algorithm makes merge up to 100 times faster.
* repair.cc: Repair time has been reduced by 15%.
* Added new option '-y, --debug-delay'.
* Added new option '-z, --debug-repair'.
* Makefile.in: Added new targets 'install*-compress'.
* testsuite/unzcrash.cc: Moved to top directory.
* lziprecover.texi: Added chapter 'File names'.
2014-08-29 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.16 released.
* New class LZ_mtester makes repair up to 10 times faster.
* main.cc (close_and_set_permissions): Behave like 'cp -p'.
* lziprecover.texinfo: Renamed to lziprecover.texi.
* License changed to GPL version 2 or later.
2013-09-14 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.15 released.
* repair.cc: Repair multimember files with up to one byte error
per member.
* merge.cc: Merge multimember files.
* main.cc (show_header): Don't show header version.
* lziprecover.texinfo: Added chapters 'Repairing files',
'Merging files' and 'Unzcrash'.
2013-05-31 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.14 released.
* Added new option '-i, --ignore-errors'.
* Option '-l, --list' now accepts more than one file.
* Decompression time has been reduced by 12%.
* split.cc: Use as few digits as possible in file names.
* split.cc: In verbose mode show names of files being created.
* main.cc (show_header): Show header version if verbosity >= 4.
* configure: Options now accept a separate argument.
* Makefile.in: Added new targets 'install-as-lzip', 'install-bin'.
* main.cc: Use 'setmode' instead of '_setmode' on Windows and OS/2.
2012-02-24 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.13 released.
* Lziprecover is now distributed in its own package. Until
version 1.12 it was included in the lzip package. Previous
entries in this file are taken from there.
* lziprecover.cc: Renamed to main.cc.
* New files merge.cc, repair.cc, split.cc, and range_dec.cc.
* main.cc: Added decompressor options (-c, -d, -k, -t) so that
a external decompressor is not needed for recovery nor for
"make check".
* Added new option '-D, --range-decompress' which extracts a
range of bytes decompressing only the members containing the
desired data.
* Added new option '-l, --list' which prints correct total file
sizes even for multimember files.
* merge.cc repair.cc: Remove output file if recovery fails.
* Changed quote characters in messages as advised by GNU Standards.
* split.cc: Use Boyer-Moore algorithm to search for headers.
* configure: 'datadir' renamed to 'datarootdir'.
2011-04-30 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.12 released.
* lziprecover.cc: If '-v' is not specified show errors only.
* unzcrash.cc: Use Arg_parser.
* unzcrash.cc: Added new option '-b, --bits'.
* unzcrash.cc: Added new option '-p, --position'.
* unzcrash.cc: Added new option '-s, --size'.
2010-09-16 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.11 released.
* lziprecover.cc: Added new option '-m, --merge' which tries to
produce a correct file merging the good parts of two or more
damaged copies.
* lziprecover.cc: Added new option '-R, --repair' for repairing
a 1-byte error in single-member files.
* decoder.cc (decode_member): Detect file errors earlier to
improve efficiency of lziprecover's new repair capability.
This change also prevents (harmless) access to uninitialized
memory when decompressing a corrupt file.
* lziprecover.cc: Added new option '-f, --force'.
* lziprecover.cc: Added new option '-o, --output'.
* lziprecover.cc: Added new option '-s, --split' to select the
until now only operation of splitting multimember files.
* lziprecover.cc: If no operation is specified, warn the user
and do nothing.
2009-06-22 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.6 released.
* Added man page for lziprecover.
* check.sh: Test lziprecover.
2009-01-24 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.4 released.
* Added 'lziprecover', a member recoverer program.
* unzcrash.cc: Test all 1-byte errors.
Copyright (C) 2009-2018 Antonio Diaz Diaz.
This file is a collection of facts, and thus it is not copyrightable,
but just in case, you have unlimited permission to copy, distribute and
modify it.
|
