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@@ -1,7 +1,19 @@
+2019-01-03 Antonio Diaz Diaz <antonio@gnu.org>
+
+ * Version 1.21 released.
+ * File_* renamed to Lzip_*.
+ * lzip.h (Lzip_trailer): New function 'verify_consistency'.
+ * lzip_index.cc: Detect some kinds of corrupt trailers.
+ * main.cc (main): Check return value of close( infd ).
+ * main.cc: Compile on DOS with DJGPP.
+ * lzip.texi: Improved description of '-0..-9', '-m' and '-s'.
+ * configure: Accept appending to CXXFLAGS, 'CXXFLAGS+=OPTIONS'.
+ * INSTALL: Document use of CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO'.
+
2018-02-11 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.20 released.
- * main.cc: Added new option '--loose-trailing'.
+ * Added new option '--loose-trailing'.
* Improved corrupt header detection to HD=3.
* main.cc: Show corrupt or truncated header in multimember file.
* main.cc (main): Option '-S, --volume-size' now keeps input files.
@@ -25,13 +37,13 @@
* main.cc: Continue testing if any input file is a terminal.
* main.cc: Show trailing data in both hexadecimal and ASCII.
* encoder.cc (Matchfinder_base): Verify size passed to new.
- * file_index.cc: Improve detection of bad dict and trailing data.
+ * lzip_index.cc: Improve detection of bad dict and trailing data.
* lzip.h: Unified messages for bad magic, trailing data, etc.
2016-05-14 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.18 released.
- * main.cc: Added new option '-a, --trailing-error'.
+ * Added new option '-a, --trailing-error'.
* Decompression time has been reduced by 2%.
* decoder.cc (verify_trailer): Removed test of final code.
* main.cc (main): Delete '--output' file if infd is a terminal.
@@ -98,7 +110,7 @@
2011-04-30 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.12 released.
- * main.cc: Added new option '-F, --recompress'.
+ * Added new option '-F, --recompress'.
* encoder.h (update_prices): Update high length symbol prices
independently of the value of 'pos_state'. This gives better
compression for large values of '--match-length' without being
@@ -122,47 +134,47 @@
2010-09-16 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.11 released.
- * Added new option '-0' which produces a compression speed and
- ratio comparable to those of 'gzip -9'.
+ * Added new option '-0' which produces a compression speed and ratio
+ comparable to those of 'gzip -9'.
* fast_encoder.h fast_encoder.cc: New files.
* main.cc: Match length limit set by options -1 to -8 has been
reduced to extend range of use towards gzip. Lower numbers now
- compress less but faster. (-1 now takes 43% less time for only
- 20% larger compressed size).
+ compress less but faster. (-1 now takes 43% less time for only 20%
+ larger compressed size).
* Compression ratio of option '-9' has been slightly increased.
* 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.
+ * 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.
+ * 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.
* main.cc: Fixed warning about fchown's return value being ignored.
* decoder.cc: '-tvvvv' now also shows compression ratio.
* main.cc: Set stdin/stdout in binary mode on MSVC and OS2.
* lzip.texinfo: Added new examples.
* testsuite: 'test1' renamed to 'test.txt'. Added new tests.
* Matchfinder types HC4 (4 bytes hash-chain) and HT4 (4 bytes
- hash-table) have been tested and found no better than the
- current BT4.
+ hash-table) have been tested and found no better than the current
+ BT4.
2010-04-05 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.10 released.
* decoder.h: Input_buffer integrated in Range_decoder.
- * main.cc: File specified with option '-o' is now created with
- mode 0666 if umask allows it, deleted if interrupted by user.
+ * main.cc: File specified with option '-o' is now created with mode
+ 0666 if umask allows it, deleted if interrupted by user.
* main.cc: New constant 'o_binary'.
- * main.cc: Dictionary size for options -2, -3, -4 and -8 has
- been changed to improve linearity of compressed sizes.
+ * main.cc: Dictionary size for options -2, -3, -4 and -8 has been
+ changed to improve linearity of compressed sizes.
* lzip.h: Fixed warnings produced by over-optimization (-O3).
* Makefile.in: Added quotes to directory names.
@@ -192,8 +204,8 @@
* Added decompression support for Sync Flush marker.
* Added support for .tbz extension to lzdiff and lzgrep.
* Added man pages for lzdiff, lzgrep and lziprecover.
- * encoder.cc (Matchfinder): Reduce memory use to 9x if input file
- is smaller than dictionary size limit.
+ * encoder.cc (Matchfinder): Reduce memory use to 9x if input file is
+ smaller than dictionary size limit.
* decoder.cc: Added extra flush calls to improve partial
decompression of corrupt files.
* '--test' no longer needs '/dev/null'.
@@ -207,7 +219,7 @@
2009-04-12 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.5 released.
- * lzip.h: Coded dictionary size implemented in File_header.
+ * lzip.h: Coded dictionary size implemented in Lzip_header.
* Fixed some includes that prevented compilation with GCC 4.4.
* 'member_size' and 'volume_size' are now accurate limits.
* Compression speed has been improved.
@@ -233,8 +245,8 @@
* Version 1.3 released.
* This version automatically chooses the smallest possible
- dictionary size for each file during compression, saving
- memory during decompression.
+ dictionary size for each file during compression, saving memory
+ during decompression.
* Implemented decompression of version 1 files.
* check.sh: Replaced 'diff -q' with 'cmp'.
@@ -293,8 +305,8 @@
* Version 0.1 released.
-Copyright (C) 2008-2018 Antonio Diaz Diaz.
+Copyright (C) 2008-2019 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.
+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.