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116 Commits

Author SHA1 Message Date
Serhiy Storchaka
505ff755d7 Issue #20437: Fixed 21 potential bugs when deleting objects references. 2014-02-09 13:33:53 +02:00
Nadeem Vawda
6ff262e18f Issue #15677: Document that zlib and gzip accept a compression level of 0 to mean 'no compression'. 
Patch by Brian Brazil.
 2012-11-11 14:14:47 +01:00
Nadeem Vawda
19e568d254 Issue #15677: Document that zlib and gzip accept a compression level of 0 to mean 'no compression'. 
Patch by Brian Brazil.
 2012-11-11 14:04:14 +01:00
Nadeem Vawda
ec6dfcffa0 Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access previously-freed memory. 
Patch by Serhiy Storchaka.
 2012-11-11 03:16:44 +01:00
Nadeem Vawda
7ee955550b Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access previously-freed memory. 
Patch by Serhiy Storchaka.
 2012-11-11 03:15:32 +01:00
Nadeem Vawda
dd1253abdd Issue #16350, part 2: Set unused_data (and unconsumed_tail) correctly in decompressobj().flush(). 
Additionally, fix a bug where a MemoryError in allocating a bytes object could
leave the decompressor object in an invalid state (with its unconsumed_tail
member being NULL).

Patch by Serhiy Storchaka.
 2012-11-11 02:21:22 +01:00
Nadeem Vawda
ee7889dec3 Issue #16350, part 2: Set unused_data (and unconsumed_tail) correctly in decompressobj().flush(). 
Additionally, fix a bug where a MemoryError in allocating a bytes object could
leave the decompressor object in an invalid state (with its unconsumed_tail
member being NULL).

Patch by Serhiy Storchaka.
 2012-11-11 02:14:36 +01:00
Nadeem Vawda
519f43844b Issue #16350: Fix zlib decompressor handling of unused_data with multiple calls to decompress() after EOF. 
Patch by Serhiy Storchaka.
 2012-11-05 00:38:48 +01:00
Nadeem Vawda
39079946a2 Issue #16350: Fix zlib decompressor handling of unused_data with multiple calls to decompress() after EOF. 
Patch by Serhiy Storchaka.
 2012-11-05 00:37:42 +01:00
Nadeem Vawda
2180c97a00 Document the rest of zlib.compressobj()'s arguments. 
Original patch by Jim Jewett; see issue 14684.
 2012-06-22 01:40:49 +02:00
Nadeem Vawda
cf5e1d82e3 Tidy up comments from dd4f7d5c51c7 (zlib compression dictionary support). 2012-06-22 00:35:57 +02:00
Nadeem Vawda
fd8a838d58 Issue #14684: Add support for predefined compression dictionaries to the zlib module. 
Original patch by Sam Rushing.
 2012-06-21 02:13:12 +02:00
Nadeem Vawda
64d25ddb9c Issue #12306: Add ZLIB_RUNTIME_VERSION to the zlib module. 
While we're at it, also document ZLIB_VERSION.

Patch by Torsten Landschoff.
 2011-09-12 00:04:13 +02:00
Nadeem Vawda
44c6ef50af Merge: #12839: Fix crash in zlib module due to version mismatch. 
If the version of zlib used to compile the zlib module is incompatible
with the one that is actually linked in, then calls into zlib will fail.
This can leave attributes of the z_stream uninitialized, so we must take
care to avoid segfaulting by trying to use an invalid pointer.

Fix by Richard M. Tew.
 2011-08-28 11:29:35 +02:00
Nadeem Vawda
524148ad7a Issue #12839: Fix crash in zlib module due to version mismatch. 
If the version of zlib used to compile the zlib module is incompatible
with the one that is actually linked in, then calls into zlib will fail.
This can leave attributes of the z_stream uninitialized, so we must take
care to avoid segfaulting by trying to use an invalid pointer.

Fix by Richard M. Tew.
 2011-08-28 11:26:46 +02:00
Nadeem Vawda
3bf71c54d8 Fix incorrect comment in zlib.Decompress.flush(). 
Reported by Oleg Oshmyan in issue #12646.
 2011-08-13 15:42:50 +02:00
Nadeem Vawda
1c38546e49 Issue #12646: Add an 'eof' attribute to zlib.Decompress. 
This will make it easier to detect truncated input streams.

Also, make zlib's error messages more consistent.
 2011-08-13 15:22:40 +02:00
Nadeem Vawda
0c3d96ae1d Issue #8650: Make zlib.[de]compressobj().[de]compress() 64-bit clean. 
Raise an OverflowError if the input data is too large, instead of silently
truncating the input and returning an incorrect result.
 2011-05-15 00:19:50 +02:00
Nadeem Vawda
1b8a417d9f Issue #8650: Backport 64-bit safety fixes for compress() and decompress(). 2011-05-14 22:26:55 +02:00
Nadeem Vawda
7619e88adb Issue #12050: zlib.decompressobj().decompress() now clears the unconsumed_tail 
attribute when called without a max_length argument.
 2011-05-14 14:05:20 +02:00
Antoine Pitrou
9e719b6eba Merged revisions 88460,88464,88466,88486,88511,88652 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88460 | antoine.pitrou | 2011-02-21 19:03:13 +0100 (lun., 21 févr. 2011) | 4 lines

  Issue #10276: Fix the results of zlib.crc32() and zlib.adler32() on buffers
  larger than 4GB.  Patch by Nadeem Vawda.
........
  r88464 | antoine.pitrou | 2011-02-21 20:05:08 +0100 (lun., 21 févr. 2011) | 3 lines

  Fix issues on 32-bit systems introduced by r88460
........
  r88466 | antoine.pitrou | 2011-02-21 20:28:40 +0100 (lun., 21 févr. 2011) | 3 lines

  Fix compile error under MSVC introduced by r88460.
........
  r88486 | antoine.pitrou | 2011-02-22 00:41:12 +0100 (mar., 22 févr. 2011) | 5 lines

  Issue #4681: Allow mmap() to work on file sizes and offsets larger than
  4GB, even on 32-bit builds.  Initial patch by Ross Lagerwall, adapted for
  32-bit Windows.
........
  r88511 | antoine.pitrou | 2011-02-22 22:42:56 +0100 (mar., 22 févr. 2011) | 4 lines

  Issue #11277: finally fix Snow Leopard crash following r88460.
  (probably an OS-related issue with mmap)
........
  r88652 | antoine.pitrou | 2011-02-26 16:58:05 +0100 (sam., 26 févr. 2011) | 4 lines

  Issue #9931: Fix hangs in GUI tests under Windows in certain conditions.
  Patch by Hirokazu Yamamoto.
........
 2011-02-28 23:48:16 +00:00
Antoine Pitrou
96f212b377 Merged revisions 81100 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r81100 | antoine.pitrou | 2010-05-12 01:46:02 +0200 (mer., 12 mai 2010) | 10 lines

  Merged revisions 81098 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r81098 | antoine.pitrou | 2010-05-12 01:42:28 +0200 (mer., 12 mai 2010) | 5 lines

    Issue #8681: Make the zlib module's error messages more informative when
    the zlib itself doesn't give any detailed explanation.
  ........
................
 2010-05-11 23:49:58 +00:00
Antoine Pitrou
7f14f0d8a0 Recorded merge of revisions 81032 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r81032 | antoine.pitrou | 2010-05-09 17:52:27 +0200 (dim., 09 mai 2010) | 9 lines

  Recorded merge of revisions 81029 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines

    Untabify C files. Will watch buildbots.
  ........
................
 2010-05-09 16:14:21 +00:00
Antoine Pitrou
4b3fe14d4b Merged revisions 80928 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r80928 | antoine.pitrou | 2010-05-07 19:04:02 +0200 (ven., 07 mai 2010) | 11 lines

  Merged revisions 80926 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r80926 | antoine.pitrou | 2010-05-07 18:50:34 +0200 (ven., 07 mai 2010) | 5 lines

    Issue #8571: Fix an internal error when compressing or decompressing a
    chunk larger than 1GB with the zlib module's compressor and decompressor
    objects.
  ........
................
 2010-05-07 17:08:54 +00:00
Antoine Pitrou
c8428d3dce Merged revisions 76836 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r76836 | antoine.pitrou | 2009-12-14 19:00:06 +0100 (lun., 14 déc. 2009) | 5 lines

  Issue #4757: `zlib.compress` and other methods in the zlib module now
  raise a TypeError when given an `str` object (rather than a `bytes`-like
  object).  Patch by Victor Stinner and Florent Xicluna.
........
 2009-12-14 18:23:30 +00:00