Re: svn.exe crashes in libapr.dll when performing a checkout on specific set of data.

[Stefan Küng <to...@gmail.com>]

Martin Hauner wrote:
> Hi,
> 
> "D.J. Heap" <dj...@gmail.com> wrote:
>> On 10/9/06, Ivan Zhakov <ch...@gmail.com> wrote:
>> [snip]
>>> [snip]
>>> The same workaround helps (copying libapr.dll from TSVN). My idea that
>>> there are some conflicts with TSVN iconv (which is build using
>>> vs2005), now I've asked that user to test without TSVN installed.
>>>
>>> --
>>> Ivan Zhakov
>>
>> Hmm, yes, since apr-iconv uses an environment variable for its path,
>> and TSVN uses a different apr-iconv, if we're picking up TSVN's
>> apr-iconv then there is definitely a potential for problems.  Is there
>> any other way to specify a path for apr-iconv besides an environment
>> variable?  We probably need to keep multiple copies private to the
>> installation they are for.
> 
> In Subcommander I use a small patch to apr-iconv to solve this issue.
> It first looks for an iconv folder in the same place where the binary
> is installed (in this case the iconv dll) before looking at APR_ICONV_PATH.
> 
> http://subcommander.tigris.org/source/browse/subcommander/trunk/doc/apr-iconv.patch?rev=265&view=markup

TSVN uses almost the same patch for apr-iconv. I've also sent that patch 
to the apr dev mailing list, explaining why using the APR_ICONV_PATH env 
variable is desasterous. But as with most of my patches, they get 
ignored. So I keep using my patched version of apr-iconv because I don't 
like having problems because of it.
http://marc.theaimsgroup.com/?l=apr-dev&m=111219823714841&w=2

In short, the patch to apr-iconv makes sure that TSVN uses it's own 
libraries - only if they get deleted or are for some unknown reason not 
accessible, it falls back to using the APR_ICONV_PATH variable.

And with version 1.4.0, TSVN even has renamed the apr libraries to 
libaprxxx_tsvn.dll to get out of the dll-hell for good.

Stefan

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