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Re: svn commit: r1535399 - in /subversion/trunk/subversion: libsvn_fs_fs/ libsvn_fs_x/ libsvn_subr/ libsvn_wc/ mod_authz_svn/ tests/cmdline/ tests/libsvn_client/ tests/libsvn_fs_fs/ tests/libsvn_fs_x/ tests/libsvn_subr/ tests/libsvn_wc/

From: Ivan Zhakov <ivan_at_visualsvn.com>
Date: Fri, 25 Oct 2013 13:42:53 +0400

On 25 October 2013 13:28, Branko Čibej <brane_at_wandisco.com> wrote:
> On 25.10.2013 11:18, Branko Čibej wrote:
>> On 25.10.2013 11:15, Julian Foad wrote:
>>> I (Julian Foad) wrote:
>>>>> On Fri, 25 Oct 2013, Branko Čibej wrote:
>>>>>>> URL: http://svn.apache.org/r1535399
>>>>>>> Log:
>>>>>>> Cast NULL to (char *) in vararg calls to svn_dirent_join_many
>>>>>>> and svn_path_join_many.
>>>>>> Why? On which platform do you expect a char* to have a different size
>>>>>> and/or representation than a void*?
>>>> Brane, we have been doing this consistently for the last three years;
>>>> Philip's commit was just continuing it. See [1] for the original
>>>> discussion.
>>>> [1] Email to dev@ from Stefan Sperling on 2011-02-25, subject "Re: svn
>>>> commit: r1074461 ...",
>>>> <http://svn.haxx.se/dev/archive-2011-02/0841.shtml>.
>>> Now having read the original discussion (October 2010; the later email mentioned above is merely a good reference to it), it appears we are doing this in order to silence compiler warnings rather than for object-code correctness.
>> Yes, exactly my point ... compiler warnings that someone goes out of
>> their way to enable, even though they're not enabled in maintainer mode.
>> You know how I feel about /that/.
>> And then we have week-long flames on the dev@ list when someone
>> pre-emptively initializes a local var to silence a "may be used
>> uninitialized" warning. See the first entry in the 1.8.x STATUS file,
>> for example. Duh.
> Sideline: *IF* we, as a community, agree to do this, then: (a) the rule
> should be documented in HACKING, and (b) there should be a '#define
> NULLPTR ((void*)0)' or reasonable facsimile in either svn_types.h or
> svn_private_config.h. I really do not want to see '(char*)NULL' all over
> the place. That's ... unsightly.
> Oh, and (c) the associated warning must be enabled in maintainer mode.
+1 on all points!

Ivan Zhakov
CTO | VisualSVN | http://www.visualsvn.com
Received on 2013-10-25 11:43:47 CEST

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