[libvirt] [PATCH 1/7] Add virFileAbsPath() utility

Amy Griffis amy.griffis at hp.com
Mon Oct 5 21:14:33 UTC 2009


Paolo Bonzini wrote:  [Mon Oct 05 2009, 04:54:27AM EDT]
> On 10/04/2009 09:28 PM, Amy Griffis wrote:
> >Add a utility to ensure an absolute path for a potentially realtive path.
> 
> Would it make sense for your usage to resolve symbolic links at the
> same time?  If so, you can use the canonicalize-lgpl gnulib module,
> which portably provides the following function.
> 
> /* Return a malloc'd string containing the canonical absolute name of
>    the named file.  If any file name component does not exist or is a
>    symlink to a nonexistent file, return NULL.  A canonical name does
>    not contain any `.', `..' components nor any repeated file name
>    separators ('/') or symlinks.  */
> char *canonicalize_file_name (const char *);

In this case we don't need to resolve symlinks because the
following open() will handle them. I suppose it could be useful
to a future consumer, but I'm inclined to keep it as it is.

Amy




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