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32f5756127
If the buffer is too small, readlink() returns the number of bytes that
would have been stored if the buffer had been large enough.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Closes: #2873
Approved by: matthiasclasen
(cherry picked from commit 89dc344ccb)
Closes: #3115
Approved by: alexlarsson