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Re: Bash 4.3.30 on AIX 6.1 filename completion


From: Chet Ramey
Subject: Re: Bash 4.3.30 on AIX 6.1 filename completion
Date: Mon, 3 Aug 2015 09:40:23 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.0.1

On 8/2/15 8:50 PM, Steve Dahl wrote:
> If on AIX 6.1, I mount an NFS volume exported from CentOS 6.7, Bash
> (4.3.30) is unable to do tab completion within that file system. If (for
> example) I search for files that I know exist, such as:
> 
>     ls -l /path/to/files/*.h
> 
> ...no answers are returned even though
> 
>     ls -l /path/to/files
> 
> ...will show those files.
> 
> In the course of trying to understand why AIX didn't like our new NFS
> server, I found that bash's glob.c depends on opendir(), and that in a
> simple test on that NFS file system, opendir() fails with EOVERFLOW.
> 
> The AIX man page for opendir() documents opendir64() but doesn't go into a
> lot of detail about what it's for other than the inferred hint that it
> might allow for file sizes larger than 4 GB.
> 
> The same simple test that gets EOVERFLOW when I use opendir() indeed seems
> to succeed when I use opendir64(). Once you know the answer, you can find
> hints on IBM forums that seem to confirm it.
> 
> Is there already a version of "bash" somewhere that already supports large
> file systems on AIX if its compilation is configured right?

Bash and Readline don't use opendir64/readdir64 directly.  You might be
able to get it to work by using cpp defines in lib/readline/complete.c

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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