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Re: [Gluster-devel] glfs_readdir_r is painful


From: Anand Avati
Subject: Re: [Gluster-devel] glfs_readdir_r is painful
Date: Wed, 30 Oct 2013 17:09:37 -0700


On Wed, Oct 30, 2013 at 3:54 PM, Eric Blake <address@hidden> wrote:
> Hmm, I don't think so.. strncpy of 255 bytes on to a buffer guaranteed to
> be 256 or higher and also guaranteed to be 0-memset'ed cannot return an
> invalid file name. No?

The fact that your internal glfs_readdir buffer is memset means you are
safe there for a 255-byte filename; but that safety does not extend to
glfs_readdir_r for a user buffer.

Right! Fixed - http://review.gluster.org/#/c/6201/2

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