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From "Thomas Marsh (Commented) (JIRA)" <>
Subject [jira] [Commented] (ETCH-172) 64-bit platforms not supported in C binding
Date Tue, 04 Oct 2011 21:46:34 GMT


Thomas Marsh commented on ETCH-172:

I noticed there are some 64 bit routines on Bob Jenkins' site. See
and I haven't had time to further debug
the problem to verify the exact problem, but if it is the hashing routines, perhaps this is
> 64-bit platforms not supported in C binding
> -------------------------------------------
>                 Key: ETCH-172
>                 URL:
>             Project: Etch
>          Issue Type: Bug
>          Components: c-binding
>         Environment: Linux x86_64 (tested on CentOS 5.6)
>            Reporter: Thomas Marsh
>            Priority: Blocker
> It appears that there may be unsafe assumptions about bit size in the hash table implementation.
All unit tests which require idname generation currently fail on 64 bit platforms. Rather
than requiring that clients be compiled with "-m32" on Linux (as the CMakeList.txt explicitly
adds), the platform should instead compile and run cleanly on 64 bit platforms and without
requiring a 32bit library stack. The hashtable implementation should run natively in 64 bit
space, or as a workaround, limit itself to 32bit hash space.

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