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authorRob Landley <rob@landley.net>2014-09-13 14:48:37 -0500
committerRob Landley <rob@landley.net>2014-09-13 14:48:37 -0500
commite1366f02fea3cb035cc4ed0b59d12f1962b6ebfd (patch)
treebf70ad84930fdf5d665745569374901ef087a4cf /toys/other/pivot_root.c
parent8aa87ab9b4ee68eec75af26d550fbcfb732d660f (diff)
downloadtoybox-e1366f02fea3cb035cc4ed0b59d12f1962b6ebfd.tar.gz
Bug report from luckboy: rm -f on a broken symlink didn't work because our "does it exist" test (to avoid errors on rm -f of nonexistent files) said it didn't.
The fix: replace the access() with unlink(), which produces the same "does not exist" errno and has the added bonus of acting as a fastpath for rm -f on non-directories. (And since it produces a different error on directories, falls through to the old behavior there.) Most of this commit is comment updates explaining being subtle. :)
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