Review Request: Fix whitespace related bugs when listing directories in kio_ftp

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This review has been submitted with commit 014e8f3ca18b0dd22e041f9785afc578f1ebc51b by Dawit Alemayehu to branch KDE/4.9.

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On Oct. 17, 2012, 8:48 p.m., Dawit Alemayehu wrote:
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> (Updated Oct. 17, 2012, 8:48 p.m.)
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> Review request for kdelibs and David Faure.
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> Description
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> The attached patch fixes a regression caused by a commit to fix bug# 88575. Namely, it fixed a problem where filenames with whitespaces in them were not handled correctly by kio_ftp. That is because the filenames were automatically trimmed when read from the directory. However, the fix then re-introduced the original bug and the reason why names were automatically trimmed in the first place. Some ftp servers add bogus whitespace between the date and filename in their listings. Hence, we need need to fix both of these opposing issues without breaking the other. This patch tries to do just that by actually validating each name entry that starts with a whitespace. That way the correct name is sent to the client.
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> This addresses bug 300988.
>     http://bugs.kde.org/show_bug.cgi?id=300988
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> Diffs
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>   kioslave/ftp/ftp.h 2465a4b 
>   kioslave/ftp/ftp.cpp 26be283 
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> Diff: http://git.reviewboard.kde.org/r/106636/diff/
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> Testing
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> - Create 150 folders and 150 text files whose name starts with a whitespace in a directory.
> - Start your preferred ftp server (I tested with vsftpd) on your local machine and login.
> - Make sure you can browse the directory that contains the text files and folders you created above just as quickly as you can other ftp sites.
> - Rename some of the folders and text files by remove the leading whitespace from them and check if that is handled properly.
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> Thanks,
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> Dawit Alemayehu
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