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137 Commits

Author SHA1 Message Date
Dennis Sweeney ab86426a34
gh-105235: Prevent reading outside buffer during mmap.find() (#105252) 
* Add a special case for s[-m:] == p in _PyBytes_Find

* Add tests for _PyBytes_Find

* Make sure that start <= end in mmap.find
 2023-07-12 22:50:45 -04:00
Prince Roshan ceaa4c3476
gh-103987: fix several crashes in mmap module (#103990) 
Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2023-05-19 20:34:12 -07:00
Christian Heimes deeaac49e2
bpo-40280: Skip socket, fork, subprocess tests on Emscripten (GH-31986) 
- Add requires_fork and requires_subprocess to more tests
- Skip extension import tests if dlopen is not available
- Don't assume that _testcapi is a shared extension
- Skip a lot of socket tests that don't work on Emscripten
- Skip mmap tests, mmap emulation is incomplete
- venv does not work yet
- Cannot get libc from executable

The "entire" test suite is now passing on Emscripten with EMSDK from git head (91 suites are skipped).
 2022-03-22 03:04:36 -07:00
Tim Golden 7bddd96982
bpo-45621: Small changes to mmap (GH-29247) 
* Small tidy-ups / comments
* Use randomized names when testing tagged mmaps to avoid any risk of parallel tests treading on each others' toes
 2021-10-29 09:20:21 +01:00
Tim Golden aea5ecc458
bpo-40915: Fix mmap resize bugs on Windows (GH-29213) 
(original patch by eryksun)

Correctly hand various failure modes when resizing an mmap on Windows:

* Resizing a pagefile-backed mmap now creates a new mmap and copies data
* Attempting to resize when another mapping is held on the same file raises an OSError
* Attempting to resize a nametagged mmap raises an OSError if another mapping is held with the same nametag
 2021-10-26 22:56:43 +01:00
Hai Shi a7f5d93bb6
bpo-40275: Use new test.support helper submodules in tests (GH-21449) 2020-08-03 18:41:24 +02:00
Taine Zhao d8ca2354ed bpo-34953: Implement `mmap.mmap.__repr__` (GH-9891) 2019-10-17 18:41:35 +08:00
Antoine Pitrou 695b1dd8cb bpo-32941: Fix test_madvise failure when page size >= 8kiB (GH-13596) 
https://bugs.python.org/issue32941
 2019-05-27 10:57:23 -07:00
Zackery Spytz 02db696732 bpo-32941: Add madvise() for mmap objects (GH-6172) 
Allow mmap objects to access the madvise() system call.
 2019-05-27 18:48:16 +02:00
Zackery Spytz 14514d9084 bpo-36946: Fix possible signed integer overflow when handling slices. (GH-13375) 
The final addition (cur += step) may overflow, so use size_t for "cur".
"cur" is always positive (even for negative steps), so it is safe to use
size_t here.

Co-Authored-By: Martin Panter <vadmium+py@gmail.com>
 2019-05-17 10:13:03 +03:00
Serhiy Storchaka 9e4861f523
bpo-22831: Use "with" to avoid possible fd leaks in tests (part 1). (GH-10928) 2019-03-05 10:05:57 +02:00
Anthony Sottile 8377cd4fcd Clean up code which checked presence of os.{stat,lstat,chmod} (#11643) 2019-02-25 23:32:27 +01:00
Berker Peksag bc85475058
bpo-34754: Fix test_flush_return_value on FreeBSD (GH-9451) 
Apparently, FreeBSD doesn't raise OSError when offset is
not a multiple of mmap.PAGESIZE.
 2018-09-20 19:53:06 +03:00
Berker Peksag e7d4b2f205
bpo-2122: Make mmap.flush() behave same on all platforms (GH-8692) 
Previously, its behavior was platform-dependent and there was no error checking
under Windows.
 2018-08-22 21:21:05 +03:00
Zackery Spytz e9e3976057 bpo-33767: Fix improper use of SystemError by mmap.mmap objects (GH-7381) 
Raise TypeError instead of SystemError for unsupported operations.
 2018-06-05 15:59:41 +03:00
Victor Stinner 8c663fd60e
Replace KB unit with KiB (#4293) 
kB (*kilo* byte) unit means 1000 bytes, whereas KiB ("kibibyte")
means 1024 bytes. KB was misused: replace kB or KB with KiB when
appropriate.

Same change for MB and GB which become MiB and GiB.

Change the output of Tools/iobench/iobench.py.

Round also the size of the documentation from 5.5 MB to 5 MiB.
 2017-11-08 14:44:44 -08:00
Benjamin Peterson 87845bcb4d merge 3.5 2016-10-05 22:54:19 -07:00
Benjamin Peterson 4c8b2cd126 skip test on windows 2016-10-05 22:09:31 -07:00
Benjamin Peterson cf0b9da988 fix bug in 48797808a302 2016-10-05 22:00:24 -07:00
Benjamin Peterson e06cc67c19 skip test if resizing is not supported 2016-10-05 22:00:05 -07:00
Benjamin Peterson cd04db03de mmap: do all internal arithmetic with Py_ssize_t while being very careful about overflow 2016-10-05 21:45:48 -07:00
Serhiy Storchaka 8ec1175204 Issue #26927: Fixed test_mmap on platforms with 32-bit off_t (like Android). 
Patch by Xavier de Gaye.
 2016-05-23 08:42:09 +03:00
Serhiy Storchaka 05d3921cc1 Issue #26927: Fixed test_mmap on platforms with 32-bit off_t (like Android). 
Patch by Xavier de Gaye.
 2016-05-23 08:41:48 +03:00
Berker Peksag 6282e656e9 Issue #26335: Make mmap.write() return the number of bytes written like 
other write methods.

Patch by Jakub Stasiak.
 2016-03-02 19:30:18 +02:00
Martin Panter da19767b86 Issue #25004: Merge 3.4 into 3.5 2015-09-07 04:04:40 +00:00
Martin Panter e8d58d1f02 Issue #25004: Handle out-of-disk-space error in LargeMmapTests 
Patch from John Beck.
 2015-09-07 02:57:47 +00:00
Serhiy Storchaka 8490f5acfe Issue #23001: Few functions in modules mmap, ossaudiodev, socket, ssl, and 
codecs, that accepted only read-only bytes-like object now accept writable
bytes-like object too.
 2015-03-20 09:00:36 +02:00
Serhiy Storchaka 996c3deafe Fixed typo. 2014-08-19 18:20:23 +03:00
Serhiy Storchaka 76b47655ff Issue #15696: Add a __sizeof__ implementation for mmap objects on Windows. 2014-08-19 17:11:20 +03:00
Serhiy Storchaka 43767638a9 Issue #18702: All skipped tests now reported as skipped. 2013-11-03 21:31:38 +02:00
Antoine Pitrou c53204b947 Issue #4885: Add weakref support to mmap objects. Patch by Valerie Lambert. 2013-08-05 23:17:30 +02:00
Richard Oudkerk 76450e6a84 Merge 2013-02-13 12:33:53 +00:00
Richard Oudkerk 6d40134eba Merge 2013-02-13 12:32:32 +00:00
Richard Oudkerk 0d09ba8e0b Issue #16743: Fix mmap overflow check on 32 bit Windows 2013-02-13 12:18:03 +00:00
Andrew Svetlov f7a17b48d7 Replace IOError with OSError (#16715) 2012-12-25 16:47:37 +02:00
Andrew Svetlov 2606a6f197 Issue #16719: Get rid of WindowsError. Use OSError instead 
Patch by Serhiy Storchaka.
 2012-12-19 14:33:35 +02:00
Andrew Svetlov 6eda46de99 Replace mmap.error with OSError, #16705 2012-12-17 22:55:31 +02:00
Jesus Cea 4886d5b338 #15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete 2012-09-10 22:50:21 +02:00
Jesus Cea 1f2799bef4 #15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete 2012-09-10 22:49:50 +02:00
Jesus Cea 1b3f3b0316 Closes #15676: mmap: add empty file check prior to offset check 2012-09-10 01:23:05 +02:00
Jesus Cea 941bfcc537 Closes #15676: mmap: add empty file check prior to offset check 2012-09-10 00:27:55 +02:00
Antoine Pitrou 6b4883dec0 PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy. 2011-10-12 02:54:14 +02:00
Victor Stinner 2f655b73e4 (merge 3.2) Issue #12451: Open files in binary mode in some tests when the text 
file is not needed.

Remove also an unused variable (blank) in test_threading.
 2011-06-30 18:21:39 +02:00
Victor Stinner a6d2c769fb Issue #12451: Open files in binary mode in some tests when the text file is not 
needed.

Remove also an unused variable (blank) in test_threading.
 2011-06-30 18:20:11 +02:00
Charles-François Natali 4dd453c6aa Issue #12021: Make mmap's read() method argument optional. Patch by Petri 
Lehtinen.
 2011-06-08 19:18:14 +02:00
Nadeem Vawda b0b0579625 Merge: Fix potential resource leak in test_mmap. 2011-05-07 14:35:36 +02:00
Nadeem Vawda 7420b70240 Fix potential resource leak in test_mmap. 2011-05-07 14:35:05 +02:00
Nadeem Vawda 044dfadd1c Merge: #11277: Fix tests - crash will not trigger if the file is closed and reopened. 2011-05-07 14:16:50 +02:00
Nadeem Vawda 909f6d2fba Issue #11277: Fix tests - crash will not trigger if the file is closed and reopened. 2011-05-07 14:14:53 +02:00
Nadeem Vawda c2bb073742 Merge: #11277: Add tests for mmap crash when using large sparse files on OS X. 
Also, reduce code duplication in LargeMmapTests.

Original patch by Steffen Daode Nurpmeso.
 2011-05-07 13:08:54 +02:00