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util-lib: accept invoking chase_symlinks() with a NULL return parameter
author
Lennart Poettering
<lennart@poettering.net>
Thu, 8 Dec 2016 16:15:06 +0000
(17:15 +0100)
committer
Sven Eden
<yamakuzure@gmx.net>
Mon, 17 Jul 2017 15:58:35 +0000
(17:58 +0200)
Let's permit invoking chase_symlinks() with a NULL return parameter. If so, the
resolved name is not returned, and call is useful for checking for existance of
a file, without actually returning its ultimate path.
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