6 * Fixed typo in the README
8 * Fixed examples.t on Win32 where paths have embedded whitespace.
10 * Fix for Cygwin and core integration from Jos I. Boumans
12 * Upgrade zlib source to 1.2.2
14 1.33 - 14 January 2004
16 * Reworked Makefile.PL to avoid creating a private copy of zlib.
17 This both simplifies the build, plus it makes life easier for VMS.
19 * Patches for Makefile.PL to get it to work on VMS supplied by
22 * memGunzip has very slow on FreeBSD. Turns out to be down to
23 the way realloc works on FreeBSD. Changed both inflate & deflate
24 to use exponentially increasing buffer sizes when they need to
25 realloc. Thanks to Peter Jeremy for the lowdown on FreeBSD
28 1.32 - 26 November 2003
30 * Steve Hay reported a problem on rt.cpan.org with Windows and
31 MSCV++ 6.0 where the source from the zlib directory was getting
32 installed with the rest of the module.
33 https://rt.cpan.org/Ticket/Display.html?id=1741
35 This has been fixed by renaming the "zlib" directory to "zlib-src"
36 thus avoiding a conflict with the name of this Perl module.
38 * Fixed a bug in the inflate method where the input buffer is an
39 lvalue (via substr). Problem & solution reported by Salvador Fandiqo.
41 * Tightened up the logic in Makefile.PL when BUILD_ZLIB is
42 True. Issue spotted by Ralf S. Engelschall.
44 1.31 - 29 October 2003
46 * Reinstated the creation of .bak files - $^I seems to need a
47 backup file on Windows. For OpenVMS, the extenstion _bak is used.
49 1.30 - 28 October 2003
51 * Bundled a sub-set of the zlib source with the module and changed
52 the default make behaviour to build with the included zlib source.
53 The previous behaviour of using a pre-built zlib library is
54 still available for those that want it.
56 * Added prototypes to the subs in Zlib.pm that didn't already have
57 them. Patch from Ed Avis.
59 * No .bak files are created by Makefile.PL any more - this keep
60 distclean much happier. Patch suggested by Ed Avis.
61 This also fixes a similar problem reported by Dr. Martin Zinser
64 * Documentation for some of the gz functions updated.
66 * Format strings modified in DispStream to keep OpenVMS happy.
67 Problem reported by Dr. Martin Zinser.
72 * Makefile.PL now displays a warning about not installing
73 Compress::Zlib via the CPAN shell.
75 * Fix to allow intermingling of gzread & gzreadline - patch
76 supplied by Doug Perham.
78 * memGunzip will silently now work if the gzip trailer is
79 missing. Some HTTP Origin Servers seem to leave it out.
83 * Tests 148 & 150 from t/02zlib.t were failing on redhat 9.
85 * Added a few words about the problems with Mac OS X to the README file.
89 * Fixed bug in gzopen where $gzerrno wasn't being set correctly.
90 The symptom was $gzerrno was set to Z_MEM_ERROR although the file
91 was opened ok. If gzopen failed, $gzerrno was being set correctly.
92 This problem wasn't spotted before because the typical test
93 to determine whether gzopen passed or failed was to check its
96 1.19 - 31 October 2002
98 * fixed a problem with t/02zlib.t that was failing with redhat 8.
100 1.18 - 24 October 2002
102 * fixed a Win32 problem in t/02zlib.t by changing sysread to read.
104 * zlib 1.0.5 & older doesn't have gzsetparams & gzeof. Added a new
105 variable to config.in to flag an old version of zlib. Split
106 out the tests for gzsetparams into t/05gzsetp.t
108 1.17 - 22 October 2002
110 * Moved the test to check the versions of libz & zlib.h into a separate
111 file and added troubleshooting notes to README.
113 * In gzopen, only attempt to call "tell" for normal files.
115 * Broke changes out of README into Changes file.
117 * Replaced internal use of Z_PARTIAL_FLUSH symbol with Z_SYNC_FLUSH.
118 zlib.h says /* will be removed, use Z_SYNC_FLUSH instead */
120 * Added support for zlib functions inflateSync and deflateParams.
122 * Added support for zlib functions gzeof and gzsetparams.
124 * Added support for access to adler, total_in & total_out
126 * The compress function can now take an optional parameter that
127 allows the compression level to be specified. This mirrors the
128 compress2 function available in zlib.
130 * memGzip doesn't work properly with perl 5.8.0 when it is given
131 UTF-8 data. Bug spotted by Andreas J. Koenig.
133 * Added note about Linux zlib-devel RPM to README.
135 * Fixed recursive build problem on win32 machines.
137 * Fixed problem with the test harness on Mac OS X.
138 Thanks to Carl Johan Berglund for reporting the problem and
139 helping track it down.
142 1.16 - 13 December 2001
144 * Fixed bug in Makefile.PL that stopped "perl Makefile.PL PREFIX=..."
147 1.15 - 4th December 2001
149 * Changes a few types to get the module to build on 64-bit Solaris
151 * Changed the up/downgrade logic to default to the older constructs, and
152 to only call a downgrade if specifically requested. Some older versions
153 of Perl were having problems with the in-place edit.
155 * added the new XS constant code.
157 1.14 - 27th August 2001
159 * Memory overwrite bug fixed in "inflate". Kudos to Rob Simons for
160 reporting the bug and to Anton Berezin for fixing it for me.
162 1.13 - 31st June 2001
164 * Make sure config.in is consistant when released.
166 1.12 - 28th April 2001
168 * Modified Makefile.PL to only enable the warnings pragma if
169 using perl 5.6.1 or better.
171 1.11 - 17th February 2001
173 * Added logic in Makefile.PL to toggle between using $^W and
174 the warnings pragma in the module.
176 * The module, the examples & the test harness are now all strict
179 1.10 - 5th February 2001
181 * fixed a bug in memGunzip. Used Z_ERR instead of Z_DATA_ERROR.
183 1.09 - 15th January 2001
185 * Silenced a few compiler warnings.
187 * Updated zlib home site in README & Zlib.pm to www.info-zip.org
189 * Minor typo in Zlib.pm - a link used AUTHORS instead of AUTHOR
190 -- spotted by Frank Martini.
192 * Mention Archive::Zip
194 * added memGunzip. This is largely based on code provided by Jim Leonard.
196 * $deflate->flush can now take an optional parameter. Valid
197 values are Z_NO_FLUSH, Z_PARTIAL_FLUSH, Z_SYNC_FLUSH, Z_FULL_FLUSH
198 and Z_FINISH. The default is Z_FINISH.
202 * uncompress was clobbering its input parameter. Now it doesn't.
203 This bug was spotted by Deven T. Corzine.
205 * If a variable that only ever contained a number was given
206 to compress or deflate, it would not be compressed properly. Now
207 it will be coerced to a string and then compressed. This bug
208 was spotted by Deven T. Corzine.
212 * ANSI-ified the static functions in Zlib.xs
214 * Added the ability to build zlib along with the module.
215 This feature is 90% based on a Makefile provided by Gurusamy
220 * Fixed a nasty problem where inflate could truncate the data
221 returned. Thanks to Douglas Thomson <dougt@mugc.cc.monash.edu.au>
222 for both spotting the problem and fixing the bug.
224 * Added a note about the undocumented features in zlib that are
225 required when accessing zip files.
227 * gzclose will now get called automatically when the gzip object is
232 * Previous release used newSVpvn, which doesn't exist in 5.004_04
233 or earlier. Changed to use newSVpv instead.
235 * The module needs Perl 5.004 or better, so updated the version
236 checking in Zlib.pm and Makefile.PL
240 * Bug 19990527.001: compress(undef) core dumps -- Fixed.
244 * Updated to use the new PL_ symbols.
245 Means the module can be built with Perl 5.005_5*
249 * The return codes for gzread, gzreadline and gzwrite were
250 documented incorrectly as returning a status code.
252 * The test harness was missing a "gzclose". This caused problem
253 showed up on an amiga. Thanks to Erik van Roode for reporting
256 * Patched zlib.t for OS/2. Thanks to Ilya Zakharevich for the patch.
260 * A number of fixes to the test suite and the example scripts to
261 allow them to work under win32. All courtesy of Gurusamy
266 * Fixed crc32 & adler32. They were very broken.
268 * The following functions can now take a scalar reference in
269 place of a scalar for their buffer parameters:
278 This should mean applications that make use of the module don't
279 have to copy large buffers around.
282 * Normally the inflate method consumes I<all> of the input buffer
283 before returning. The exception to this is when inflate detects
284 the end of the stream (Z_STREAM_END). In this case the input
285 buffer need not be completely consumed. To allow processing of
286 file formats that embed a deflation stream (e.g. zip, gzip),
287 the inflate method now sets the buffer parameter to be what
288 remains after inflation.
290 When the return status is Z_STREAM_END, it will be what remains
291 of the buffer (if any) after deflation. When the status is Z_OK
292 it will be an empty string.
294 This change means that the buffer parameter must be a lvalue.
296 * Fixed crc32 and adler32. They were both very broken.
298 * Added the Compress::Zlib::memGzip function.
300 0.5 - Confirmed that no changes were necessary for zlib 1.0.3, or 1.0.4.
302 The optional parameters for deflateInit and inflateInit can now
303 be specified as an associative array in addition to a reference
304 to an associative array. They can also accept the -Name
307 gzopen can now optionally take a reference to an open
308 filehandle in place of a filename. In this case it will call
311 Added gzstream example script.
313 0.4 - Upgrade to support zlib 0.99
315 Added dictionary interface.
317 Fixed bug in gzreadline - previously it would keep returning
318 the same buffer. This bug was reported by Helmut Jarausch
320 Removed dependency to zutil.h and so dropped support for
322 DEF_MEM_LEVEL (use MAX_MEM_LEVEL instead)
323 DEF_WBITS (use MAX_WBITS instead)
325 0.3 - Added prototype specification.
327 0.2 - Fixed a minor allocation problem in Zlib.xs
329 0.1 - first alpha release. 2nd October 1995