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Re: [PATCH] Clarify doc string of svn_path_is_child()

From: <kfogel_at_collab.net>
Date: 2005-09-17 00:41:18 CEST

Julian Foad <julianfoad@btopenworld.com> writes:
> svn_path_is_child() determines whether one path is a child of another,
> and returns the extra portion if so. It wasn't clear what this
> function would make of a potentially-child path which is identical to
> the parent path. I rather assumed it would say, "Yes, it's a child;
> the child part is the empty string," but it doesn't, it returns null.
> This patch clarifies the behaviour.
>
> OK to commit it?

Not only "OK", but +1! :-)

-Karl

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> - Julian
> Clarify a doc string.
> 
> * subversion/include/svn_path.h
>   (svn_path_is_child): Make the doc string more explicit.
> 
> Index: subversion/include/svn_path.h
> ===================================================================
> --- subversion/include/svn_path.h	(revision 16034)
> +++ subversion/include/svn_path.h	(working copy)
> @@ -351,6 +351,9 @@ svn_boolean_t svn_path_is_backpath_prese
>   * Both paths must be in canonical form, and must either be absolute,
>   * or contain no ".." components.
>   *
> + * If @a path2 is the same as @a path1, it is not a child, so the
> + * result is @c NULL; an empty string is never returned.
> + *
>   * ### todo: the ".." restriction is unfortunate, and would ideally
>   * be lifted by making the implementation smarter.  But this is not
>   * trivial: if the path is "../foo", how do you know whether or not
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Received on Sat Sep 17 01:46:43 2005

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