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128 Commits

Author SHA1 Message Date
Serhiy Storchaka cbee972e35 Issue #15696: Add a __sizeof__ implementation for mmap objects on Windows. 2014-08-19 17:03:42 +03:00
Richard Oudkerk 36b9d413d7 Issue #16743: Fix mmap overflow check on 32 bit Windows 2013-02-13 12:05:14 +00:00
Jesus Cea 8e03b4cae0 #15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete (fix 2) 2012-09-10 22:57:34 +02:00
Jesus Cea 20f0ea1f61 #15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete 2012-09-10 22:45:47 +02:00
Jesus Cea 8b54d6d733 Closes #15676: mmap: add empty file check prior to offset check 2012-09-10 00:22:39 +02:00
Ross Lagerwall ffa8e2fb56 Issue 12404: Remove C89 incompatible code from mmap module. 
Patch by Akira Kitada.
 2011-06-25 09:55:10 +02:00
Victor Stinner 112d48ac17 (Merge 3.1) Issue #11277: mmap.mmap() calls fcntl(fd, F_FULLFSYNC) on Mac OS X 
to get around a mmap bug with sparse files. Patch written by Steffen Daode
Nurpmeso.
 2011-05-03 14:36:36 +02:00
Antoine Pitrou d6f3a3e3a8 Issue #11391: Writing to a mmap object created with 
`mmap.PROT_READ|mmap.PROT_EXEC` would segfault instead of raising a
TypeError.  Patch by Charles-François Natali.
 2011-03-06 02:03:34 +01:00
Antoine Pitrou f4d2b3dc10 Merged revisions 88486 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  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.
........
 2011-02-21 23:59:20 +00:00
Antoine Pitrou 8a0eede21d Merged revisions 88131 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88131 | antoine.pitrou | 2011-01-20 22:07:24 +0100 (jeu., 20 janv. 2011) | 6 lines

  Issue #10955: Fix a potential crash when trying to mmap() a file past its
  length.  Initial patch by Ross Lagerwall.

  This fixes a regression introduced by r88022.
........
 2011-01-20 21:20:18 +00:00
Antoine Pitrou 533aa25b48 Merged revisions 88036 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88036 | antoine.pitrou | 2011-01-15 18:25:58 +0100 (sam., 15 janv. 2011) | 3 lines

  Fix mmap and test_mmap under Windows too (followup to r88022)
........
 2011-01-15 17:40:00 +00:00
Antoine Pitrou 9989d857eb Merged revisions 88022 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88022 | antoine.pitrou | 2011-01-15 17:17:07 +0100 (sam., 15 janv. 2011) | 7 lines

  Issue #10916: mmap should not segfault when a file is mapped using 0 as
  length and a non-zero offset, and an attempt to read past the end of file
  is made (IndexError is raised instead).  Patch by Ross Lagerwall.

  Requested by Georg.
........
 2011-01-15 16:18:57 +00:00
R. David Murray 2a4b3fce9d Merged revisions 85678 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85678 | r.david.murray | 2010-10-17 21:14:06 -0400 (Sun, 17 Oct 2010) | 5 lines

  #678250: Make mmap flush a noop on ACCESS_READ and ACCESS_COPY.

  Patch by Sébastien Sablé.  This solves a test_mmap failure on AIX.
........
 2010-12-11 02:13:04 +00:00
Brian Curtin ba6c08e670 Merged revisions 83407 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83407 | brian.curtin | 2010-08-01 10:26:26 -0500 (Sun, 01 Aug 2010) | 3 lines

  Fix #8105. Add validation to mmap.mmap so invalid file descriptors
  don't cause a crash on Windows.
........
 2010-08-01 15:47:53 +00:00
Antoine Pitrou c83ea137d7 Untabify C files. Will watch buildbots. 2010-05-09 14:46:46 +00:00
Hirokazu Yamamoto 8839fd7372 Issue #6344: Fixed a crash of mmap.read() when passed a negative argument. 
Reviewed by Amaury Forgeot d'Arc.
 2009-06-29 13:25:16 +00:00
Hirokazu Yamamoto 983a46543c Issue #6271: mmap tried to close invalid file handle (-1) when annonymous. 
(On Unix) Patch by STINNER Victor.
 2009-06-14 03:53:55 +00:00
Jack Diederich 2ecd3c36b5 bounds check arguments to mmap.move(). All of them. Really. 
fixes crasher on OS X 10.5
 2009-04-01 20:26:13 +00:00
Hirokazu Yamamoto 1d7d5325be Issue #5387: Fixed mmap.move crash by integer overflow. (take2) 2009-03-31 20:14:04 +00:00
Jesse Noller 40a6164afa Apply patch for netbsd multiprocessing support 2009-03-31 18:12:35 +00:00
Hirokazu Yamamoto 9d2ee5ded2 Issue #5387: Fixed mmap.move crash by integer overflow. 2009-03-31 13:13:05 +00:00
Hirokazu Yamamoto 264fc12fbf Issue #5385: Fixed mmap crash after resize failure on windows. 
Now uses NULL instead of INVALID_HANDLE_VALUE as invalid map handle
because CreateFileMapping returns NULL when error occurs.
 2009-03-05 14:21:12 +00:00
Hirokazu Yamamoto b0e10c760c Issue #1733986: Fixed mmap crash in accessing elements of second map object 
with same tagname but larger size than first map. (Windows)
 2009-02-28 12:13:07 +00:00
Hirokazu Yamamoto f2dc885780 Issue #5386: mmap.write_byte didn't check map size, so it could cause buffer 
overrun.
 2009-02-28 10:31:54 +00:00
Hirokazu Yamamoto 17a837e4db Issue #5282: Fixed mmap resize on 32bit windows and unix. When offset > 0, 
The file was resized to wrong size.
 2009-02-17 13:17:26 +00:00
Hirokazu Yamamoto f6bbd0e71d Issue #5292: Fixed mmap crash on its boundary access m[len(m)]. 2009-02-17 10:12:10 +00:00
Thomas Heller 6626099520 Fix strange character in the docstring. 2008-08-19 17:47:13 +00:00
Neal Norwitz e7d8be80ba Security patches from Apple: prevent int overflow when allocating memory 2008-07-31 17:17:14 +00:00
Gregory P. Smith dd96db63f6 This reverts r63675 based on the discussion in this thread: 
http://mail.python.org/pipermail/python-dev/2008-June/079988.html

Python 2.6 should stick with PyString_* in its codebase.  The PyBytes_* names
in the spirit of 3.0 are available via a #define only.  See the email thread.
 2008-06-09 04:58:54 +00:00
Christian Heimes 593daf545b Renamed PyString to PyBytes 2008-05-26 12:51:38 +00:00
Facundo Batista e139688d34 Issue 2112. mmap does not raises EnvironmentError no more, but 
a subclass of it. Thanks John Lenton.
 2008-02-17 18:59:29 +00:00
Christian Heimes 7adfad850a Bug #2111: mmap segfaults when trying to write a block opened with PROT_READ 
Thanks to Thomas Herve for the fix.
 2008-02-15 08:20:11 +00:00
Neal Norwitz e1027f9034 Use int for the sign rather than a char. char can be signed or unsigned. 
It's system dependent.  This might fix the problem with test_rfind failing.
 2008-01-27 07:37:38 +00:00
Neal Norwitz 448654f1f8 Mostly reformat. Also set an error and return NULL if neither MS_WINDOWS 
nor UNIX is defined.  This may have caused problems on cygwin.
 2008-01-27 07:36:03 +00:00
Neal Norwitz 739a3c40e6 Cleanup the code a bit. test_rfind is failing on PPC and PPC64 buildbots, 
this might fix the problem.
 2008-01-26 20:24:36 +00:00
Christian Heimes 501dbbfb70 Use Py_TYPE() instead of ->ob_type 2008-01-23 14:00:25 +00:00
Georg Brandl d02fc48f67 Fix for #1087741 patch. 2008-01-22 19:56:03 +00:00
Georg Brandl 845c403c08 #1087741: make mmap.mmap the type of mmap objects, not a 
factory function. Allow it to be subclassed.
 2008-01-21 14:16:46 +00:00
Georg Brandl ef92802f73 Switch mmap from old Py_FindMethod to new PyObject_GenericGetAttr attribute access. 
Fixes #1087735.
 2008-01-20 14:50:05 +00:00
Andrew M. Kuchling 5c60bfcfbf Patch #976880: add mmap .rfind() method, and 'end' paramter to .find(). 
Contributed by John Lenton.
 2008-01-19 18:18:41 +00:00
Andrew M. Kuchling 7c22ccc3dd Check for fd of -1 to save fsync() and fstat() call 2008-01-10 13:37:12 +00:00
Christian Heimes e93237dfcc #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available. 2007-12-19 02:37:44 +00:00
Neal Norwitz 9c4382f2a3 Fix some compiler warnings for signed comparisons on Unix and Windows. 2007-10-31 06:33:20 +00:00
Travis E. Oliphant 8feafab346 Add phuang patch from Issue 708374 which adds offset parameter to mmap module. 2007-10-23 02:40:56 +00:00
Thomas Wouters 3ccec68a05 Improve extended slicing support in builtin types and classes. Specifically: 
- Specialcase extended slices that amount to a shallow copy the same way as
   is done for simple slices, in the tuple, string and unicode case.

 - Specialcase step-1 extended slices to optimize the common case for all
   involved types.

 - For lists, allow extended slice assignment of differing lengths as long
   as the step is 1. (Previously, 'l[:2:1] = []' failed even though
   'l[:2] = []' and 'l[:2:None] = []' do not.)

 - Implement extended slicing for buffer, array, structseq, mmap and
   UserString.UserString.

 - Implement slice-object support (but not non-step-1 slice assignment) for
   UserString.MutableString.

 - Add tests for all new functionality.
 2007-08-28 15:28:19 +00:00
Martin v. Löwis 6819210b9e PEP 3123: Provide forward compatibility with Python 3.0, while keeping 
backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
PyVarObject_HEAD_INIT.
 2007-07-21 06:55:02 +00:00
Neal Norwitz 670f875a7c Alexander Belopolsky pointed out that pos is a size_t 2006-08-22 13:56:56 +00:00
Neal Norwitz 076d1e0c0b Fix a couple of ssize-t issues reported by Alexander Belopolsky on python-dev 2006-08-21 18:20:10 +00:00
Neal Norwitz 5ed4997e1f Get rid of compiler warning 2006-08-13 18:41:15 +00:00
Neal Norwitz e9ac0bb169 Check return result of PyModule_GetDict(). 
Fix a bunch of refleaks in the init of the module.  This would only be found
when running python -v.
 2006-08-13 18:11:27 +00:00