10 * Fixed problem that meant Perl 5.10 could not upgrade this module.
15 * Minor documentation issue with flush.
20 * Minor documentation changes in README
22 2.007 22 September 20007
24 * lib/Compress/Zlib.pm -- 1.x Backward Compatability issues
25 gzclose - documented return value was wrong, should be 0 for ok.
26 gzflush - return value didn't match 1.x, should return 0 if ok.
27 [rt.cpan.org #29215] and Debian bug #440943 http://bugs.debian.org/440943
29 2.006 1 September 20007
32 Added INSTALLDIRS directive to install as a core module when built
36 Fixed crc32 and adler32 tests in to remove ascii assumption.
38 * lib/Compress/Zlib.pm
39 Make gzreadline not support $/, just like in Compress::Zlib 1.x
40 Folk who want $/ with readline support can get it in
41 IO::Uncompress::Gunzip.
42 [rt.cpan.org #28663] and Debian bug #435656 http://bugs.debian.org/435656
45 * Added info about removing Compress::Zlib version 1, before
50 * rewrote memGzip using IO::Compress::Gzip::gzip
54 * Added explicit version checking
56 2.002 29 December 2006
58 * Documentation updates.
60 * Fix append mode with gzopen.
63 * Allow gzopen to read from and write to a scalar reference.
69 2.000_14 26 October 2006
77 2.000_12 16 April 2006
79 * Fixed gzread to zap the output buffer to an empty string when zero
80 bytes are requested. This matches the behaviour of C::Z 1.x
82 2.000_11 10 April 2006
86 2.000_10 13 March 2006
88 * Changed gzread so that its behaviour matches C::Z::gzread 1.x if it
89 is called after eof. In this case it will write an empty string
90 into the output parameter. This change is solely for backward
91 compatability reasons.
99 * Breakout zlib specific code into separate modules.
101 * Limited support for reading/writing zip files
103 2.000_06 5 October 2005
105 * Added eof parameter to Compress::Zlib::inflate method.
107 * Fixed issue with 64-bit
109 2.000_05 4 October 2005
111 * Renamed IO::* to IO::Compress::* & IO::Uncompress::*
113 2.000_04 23 September 2005
115 * Fixed some more non-portable test that were failing on VMS.
117 * fixed problem where error messages in the oneshot interface were
120 2.000_03 12 September 2005
122 * Fixed some non-portable test that were failing on VMS.
124 * Fixed export of zlib constants from the IO::* classes
126 2.000_02 6 September 2005
128 * Split Append mode into Append and Merge
130 * Fixed typos in the documentation.
134 * Added libscan to Makefile.PL
136 * Added InputLength for IO::Gunzip et al
138 2.000_01 22 August 2005
140 * Fixed VERSION in Compress::Gzip::Constants
142 * Removed Compress::Gzip::Info from the distribution.
144 2.000_00 21 August 2005
146 * First Beta relase of Compress::zlib rewrite.
148 1.38 - 6 September 2005
150 * Integrate core change 25304 -- Symbian Update
152 * Added libscan to Makefile.PL
154 1.37 - 12 August 2005
156 * Change to t/03examples.t for VMS from Abe Timmerman
160 * Renamed zlib-src-1.2.3 to zlib-src to help VMS
162 * Fixed Makefile.PL for VMS
164 * Fixed t/03examples.t for VMS
166 * Added a couple of notes about incompatibility with Unix compress.
170 * Updated zlib source to 1.2.3
172 * Fixed problem with where two calls to gzclose would hang the debugger.
173 See https://rt.cpan.org/Ticket/Display.html?id=13789
175 * Added code from Alexey Tourbin to use XSLoader when available,
176 and DynaLoader otherwise.
178 * Documented that the compress & uncompress functions were not
179 the same as the Unix utilities of the same name.
181 * Fixed 05gzsetp -- it left a temp file hanging around.
183 * Integrate core change 24787 - SvUPGRADE returns void in blead
185 * Integrate core change 24788 - Makefile.PL adjustments for the core
188 1.34 - 30 January 2005
190 * Fixed typo in the README
192 * Fixed examples.t on Win32 where paths have embedded whitespace.
194 * Fix for Cygwin and core integration from Jos I. Boumans
196 * Upgrade zlib source to 1.2.2
198 1.33 - 14 January 2004
200 * Reworked Makefile.PL to avoid creating a private copy of zlib.
201 This both simplifies the build, plus it makes life easier for VMS.
203 * Patches for Makefile.PL to get it to work on VMS supplied by
206 * memGunzip has very slow on FreeBSD. Turns out to be down to
207 the way realloc works on FreeBSD. Changed both inflate & deflate
208 to use exponentially increasing buffer sizes when they need to
209 realloc. Thanks to Peter Jeremy for the lowdown on FreeBSD
212 1.32 - 26 November 2003
214 * Steve Hay reported a problem on rt.cpan.org with Windows and
215 MSCV++ 6.0 where the source from the zlib directory was getting
216 installed with the rest of the module.
217 https://rt.cpan.org/Ticket/Display.html?id=1741
219 This has been fixed by renaming the "zlib" directory to "zlib-src"
220 thus avoiding a conflict with the name of this Perl module.
222 * Fixed a bug in the inflate method where the input buffer is an
223 lvalue (via substr). Problem & solution reported by Salvador Fandiqo.
225 * Tightened up the logic in Makefile.PL when BUILD_ZLIB is
226 True. Issue spotted by Ralf S. Engelschall.
228 1.31 - 29 October 2003
230 * Reinstated the creation of .bak files - $^I seems to need a
231 backup file on Windows. For OpenVMS, the extenstion _bak is used.
233 1.30 - 28 October 2003
235 * Bundled a sub-set of the zlib source with the module and changed
236 the default make behaviour to build with the included zlib source.
237 The previous behaviour of using a pre-built zlib library is
238 still available for those that want it.
240 * Added prototypes to the subs in Zlib.pm that didn't already have
241 them. Patch from Ed Avis.
243 * No .bak files are created by Makefile.PL any more - this keep
244 distclean much happier. Patch suggested by Ed Avis.
245 This also fixes a similar problem reported by Dr. Martin Zinser
248 * Documentation for some of the gz functions updated.
250 * Format strings modified in DispStream to keep OpenVMS happy.
251 Problem reported by Dr. Martin Zinser.
256 * Makefile.PL now displays a warning about not installing
257 Compress::Zlib via the CPAN shell.
259 * Fix to allow intermingling of gzread & gzreadline - patch
260 supplied by Doug Perham.
262 * memGunzip will silently now work if the gzip trailer is
263 missing. Some HTTP Origin Servers seem to leave it out.
267 * Tests 148 & 150 from t/02zlib.t were failing on redhat 9.
269 * Added a few words about the problems with Mac OS X to the README file.
273 * Fixed bug in gzopen where $gzerrno wasn't being set correctly.
274 The symptom was $gzerrno was set to Z_MEM_ERROR although the file
275 was opened ok. If gzopen failed, $gzerrno was being set correctly.
276 This problem wasn't spotted before because the typical test
277 to determine whether gzopen passed or failed was to check its
280 1.19 - 31 October 2002
282 * fixed a problem with t/02zlib.t that was failing with redhat 8.
284 1.18 - 24 October 2002
286 * fixed a Win32 problem in t/02zlib.t by changing sysread to read.
288 * zlib 1.0.5 & older doesn't have gzsetparams & gzeof. Added a new
289 variable to config.in to flag an old version of zlib. Split
290 out the tests for gzsetparams into t/05gzsetp.t
294 * Moved the test to check the versions of libz & zlib.h into a separate
295 file and added troubleshooting notes to README.
297 * In gzopen, only attempt to call "tell" for normal files.
299 * Fixed to work in taint mode.
301 * Broke changes out of README into Changes file.
303 * Replaced internal use of Z_PARTIAL_FLUSH symbol with Z_SYNC_FLUSH.
304 zlib.h says /* will be removed, use Z_SYNC_FLUSH instead */
306 1.16 - 13 December 2001
308 * Fixed bug in Makefile.PL that stopped "perl Makefile.PL PREFIX=..."
311 1.15 - 4th December 2001
313 * Changes a few types to get the module to build on 64-bit Solaris
315 * Changed the up/downgrade logic to default to the older constructs, and
316 to only call a downgrade if specifically requested. Some older versions
317 of Perl were having problems with the in-place edit.
319 * added the new XS constant code.
321 1.14 - 27th August 2001
323 * Memory overwrite bug fixed in "inflate". Kudos to Rob Simons for
324 reporting the bug and to Anton Berezin for fixing it for me.
326 1.13 - 31st June 2001
328 * Make sure config.in is consistant when released.
330 1.12 - 28th April 2001
332 * Modified Makefile.PL to only enable the warnings pragma if
333 using perl 5.6.1 or better.
335 1.11 - 17th February 2001
337 * Added logic in Makefile.PL to toggle between using $^W and
338 the warnings pragma in the module.
340 * The module, the examples & the test harness are now all strict
343 1.10 - 5th February 2001
345 * fixed a bug in memGunzip. Used Z_ERR instead of Z_DATA_ERROR.
347 1.09 - 15th January 2001
349 * Silenced a few compiler warnings.
351 * Updated zlib home site in README & Zlib.pm to www.info-zip.org
353 * Minor typo in Zlib.pm - a link used AUTHORS instead of AUTHOR
354 -- spotted by Frank Martini.
356 * Mention Archive::Zip
358 * added memGunzip. This is largely based on code provided by Jim Leonard.
360 * $deflate->flush can now take an optional parameter. Valid
361 values are Z_NO_FLUSH, Z_PARTIAL_FLUSH, Z_SYNC_FLUSH, Z_FULL_FLUSH
362 and Z_FINISH. The default is Z_FINISH.
366 * uncompress was clobbering its input parameter. Now it doesn't.
367 This bug was spotted by Deven T. Corzine.
369 * If a variable that only ever contained a number was given
370 to compress or deflate, it would not be compressed properly. Now
371 it will be coerced to a string and then compressed. This bug
372 was spotted by Deven T. Corzine.
376 * ANSI-ified the static functions in Zlib.xs
378 * Added the ability to build zlib along with the module.
379 This feature is 90% based on a Makefile provided by Gurusamy
384 * Fixed a nasty problem where inflate could truncate the data
385 returned. Thanks to Douglas Thomson <dougt@mugc.cc.monash.edu.au>
386 for both spotting the problem and fixing the bug.
388 * Added a note about the undocumented features in zlib that are
389 required when accessing zip files.
391 * gzclose will now get called automatically when the gzip object is
396 * Previous release used newSVpvn, which doesn't exist in 5.004_04
397 or earlier. Changed to use newSVpv instead.
399 * The module needs Perl 5.004 or better, so updated the version
400 checking in Zlib.pm and Makefile.PL
404 * Bug 19990527.001: compress(undef) core dumps -- Fixed.
408 * Updated to use the new PL_ symbols.
409 Means the module can be built with Perl 5.005_5*
413 * The return codes for gzread, gzreadline and gzwrite were
414 documented incorrectly as returning a status code.
416 * The test harness was missing a "gzclose". This caused problem
417 showed up on an amiga. Thanks to Erik van Roode for reporting
420 * Patched zlib.t for OS/2. Thanks to Ilya Zakharevich for the patch.
424 * A number of fixes to the test suite and the example scripts to
425 allow them to work under win32. All courtesy of Gurusamy
430 * Fixed crc32 & adler32. They were very broken.
432 * The following functions can now take a scalar reference in
433 place of a scalar for their buffer parameters:
442 This should mean applications that make use of the module don't
443 have to copy large buffers around.
446 * Normally the inflate method consumes I<all> of the input buffer
447 before returning. The exception to this is when inflate detects
448 the end of the stream (Z_STREAM_END). In this case the input
449 buffer need not be completely consumed. To allow processing of
450 file formats that embed a deflation stream (e.g. zip, gzip),
451 the inflate method now sets the buffer parameter to be what
452 remains after inflation.
454 When the return status is Z_STREAM_END, it will be what remains
455 of the buffer (if any) after deflation. When the status is Z_OK
456 it will be an empty string.
458 This change means that the buffer parameter must be a lvalue.
460 * Fixed crc32 and adler32. They were both very broken.
462 * Added the Compress::Zlib::memGzip function.
464 0.5 - Confirmed that no changes were necessary for zlib 1.0.3, or 1.0.4.
466 The optional parameters for deflateInit and inflateInit can now
467 be specified as an associative array in addition to a reference
468 to an associative array. They can also accept the -Name
471 gzopen can now optionally take a reference to an open
472 filehandle in place of a filename. In this case it will call
475 Added gzstream example script.
477 0.4 - Upgrade to support zlib 0.99
479 Added dictionary interface.
481 Fixed bug in gzreadline - previously it would keep returning
482 the same buffer. This bug was reported by Helmut Jarausch
484 Removed dependency to zutil.h and so dropped support for
486 DEF_MEM_LEVEL (use MAX_MEM_LEVEL instead)
487 DEF_WBITS (use MAX_WBITS instead)
489 0.3 - Added prototype specification.
491 0.2 - Fixed a minor allocation problem in Zlib.xs
493 0.1 - first alpha release. 2nd October 1995