New submission from David Watson :
One of these problems interacts with the other, and can cause
os.unsetenv() to free memory that's still in use. Firstly,
calling os.putenv("FOO=BAR", "value") causes putenv(3) to be
called with the string "FOO=BAR=value", wh
Changes by David Watson :
Added file: http://bugs.python.org/file12709/2.x.diff
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Changes by David Watson :
Added file: http://bugs.python.org/file12710/3.x.diff
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David Watson added the comment:
On Tue 18 Mar 2014, A.M. Kuchling wrote:
> I suggest we apply the fix for #1, and for #2 just discard and
> update the ToC when we lock the mailbox, ignoring other
> possible routes to corruption (so no detecting the problem and
> raising an E
David Watson added the comment:
On Sun 23 Mar 2014, David Watson wrote:
> There actually isn't a test for the original locking issue, as
> the tests all use the mailbox API, which doesn't provide a way to
> turn off dot-locking. ...
On second thought, the underlying error do
David Watson added the comment:
On Mon 28 Apr 2014, Jim Jewett wrote:
> pinging David Watson: What is the status? If I understand correctly, (and I
> may well not), you have already opened other issues for parts of this, and
> (only) the final patch is ready for patch (and hopefull
David Watson added the comment:
Looking again at cmsg_min_space(), I see that it already returns
false when msg_controllen is less than cmsg_len_end, so you could
do a (signed) comparison against that, rather than 0. Patch
attached.
--
Added file: http://bugs.python.org/file32992
David Watson added the comment:
On Fri 13 Dec 2013, Brett Cannon wrote:
> Two things. First, I'm sorry David but my mind is not working fully enough at
> the moment to see how msg_controllen is compared to cmsg_len_end without
> relying on external value coming in through the par
New submission from David Watson:
In test_socket, the decorator on SendmsgStreamTests.testSendmsgDontWait still
checks for the old sys.platform value of "linux2", with the result that the
test is always skipped, when in fact the test is for a Linux facility. Patch
attached for 3.3
David Watson added the comment:
> I opened the issue #20718 to track the "FD pass" failures.
But the failures in the current issue *all* involve FD passing :)
The "Message too long" errors are in tests where the ancillary data (in this
case file descriptors) is tru
David Watson added the comment:
Hi, I'm afraid there may have been some duplication of effort
here - I set about reworking Heiko Wundram's original patch
(issue #1194378) without knowing about this one. I don't have
unit tests yet either, but I saw this and thought I'd be
New submission from David Watson :
The mbstowcs and mbrtwoc functions which are used for the initial
conversion of command-line arguments on Unix can return lone or
paired surrogates (e.g. \udcff for \xed\xb3\xbf in non-strict
UTF-8), and these surrogates are currently placed into sys.argv
David Watson added the comment:
Patch to make get*nam() functions encode their arguments using
the file system encoding and "surrogateescape" error handler, so
that they correctly handle the user/group name fields returned by
each other.
--
Added file: http://bugs.python.org
David Watson added the comment:
Patch to make pwd, spwd and grp decode their string fields using
the file system encoding and the "surrogateescape" error handler,
as per PEP 383.
--
Added file: http://bugs.python.org/file14055/surrogateescape-f
David Watson added the comment:
Here is a new version of the patch; I've added some tests which
use the RFC 3542 interface (IPv6 advanced API) and am now quite
happy with it generally.
As well as Linux, I've tested it on an old (unsupported) FreeBSD
5.3 installation, which requ
David Watson added the comment:
OK. I don't like creating/using a Google account, but here it is:
http://codereview.appspot.com/1487041/show
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David Watson added the comment:
New version with minor changes. Will also upload at
http://codereview.appspot.com/1487041/show
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Added file: http://bugs.python.org/file17659/baikie-hwundram-v4.diff
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David Watson added the comment:
Optional patch to replace SocketTCPTest, etc. with the classes from the sendmsg
patch.
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David Watson added the comment:
Unit tests were in the patch! However, none of the patches
applied any more, so I've updated them and also improved the
tests a bit. Again, I haven't tried them on Windows.
Unsetting a nonexistent variable isn't supposed to be an error
(see PO
Changes by David Watson :
Added file: http://bugs.python.org/file18186/putenv-empty-2.x.diff
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Changes by David Watson :
Added file: http://bugs.python.org/file18187/putenv-equals-3.x.diff
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Added file: http://bugs.python.org/file18188/putenv-empty-3.x.diff
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Added file: http://bugs.python.org/file18189/visibility-2.x.diff
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Changes by David Watson :
Added file: http://bugs.python.org/file18190/visibility-3.x.diff
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David Watson added the comment:
You're having a bad day at the office :) Just use "patch -p1".
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New submission from David Watson :
The functions in the socket module which return host/domain
names, such as gethostbyaddr() and getnameinfo(), are wrappers
around byte-oriented interfaces but return Unicode strings in
3.x, and have not been updated to deal with undecodable byte
sequences in
Changes by David Watson :
Added file: http://bugs.python.org/file18196/try-surrogateescape-first.diff
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David Watson added the comment:
"Leaving IDNA ASCII-compatible encodings in ASCII form" is just preserving the
existing behaviour (not doing IDNA decoding). See
http://tools.ietf.org/html/rfc3490
and the docs for codecs -> encodings.idna ("xn--lzg" in the example i
David Watson added the comment:
OK, here are new versions of the original patches.
I've tweaked the docs to make clear that ASCII-compatible
encodings actually *are* ASCII, and point to an explanation as
soon as they're mentioned.
You're right that PyUnicode_AsEncoded
Changes by David Watson :
Added file: http://bugs.python.org/file18273/try-surrogateescape-first-2.diff
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David Watson added the comment:
On Fri 5 Dec 2014, STINNER Victor wrote:
> I added an assertion. Can we close this issue?
Well, if no one complains about the interpreter dying with
SIGABRT, that will suggest that the worries about OS bugs
creating infinite loops were unfounded :)
If you
David Watson added the comment:
Here are the alternative patches to allow more than two calls to
confstr(). One patch set just keeps reallocating the buffer
until it's big enough, while the other makes a limited number of
attempts (in this case 20) before raising Runtime
David Watson added the comment:
I've updated the ASCII/surrogateescape patches in line with
various changes to Python since I posted them.
return-ascii-surrogateescape-2015-06-25.diff incorporates the
ascii-surrogateescape and uname-surrogateescape patches, and
accept-ascii-surrogateescape
Changes by David Watson :
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David Watson added the comment:
Sending multiple control messages at once isn't Linux-specific - the tests in
question passed on FreeBSD.
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David Watson added the comment:
In this test (and nearby ones), the receiver provides too little space to
receive the file descriptors that are sent, so that the control message has to
be truncated if it is to be received at all. The warning may indicate that the
cmsghdr struct received
David Watson added the comment:
I've rebased the patches onto all the currently released
branches, but since there are now so many variations required,
I've bundled the pass-unterminated and test patches into a single
set (enable-unterminated-*), and the return-unterminated a
David Watson added the comment:
Attaching patches for 3.5.
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Added file:
http://bugs.python.org/file39309/enable-unterminated-3.5-2015-05-06.diff
Added file: http://bugs.python.org/file39310/fix-overrun-3.5-2015-05-06.diff
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