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authorTavian Barnes <tavianator@tavianator.com>2016-02-11 17:04:56 -0500
committerTavian Barnes <tavianator@tavianator.com>2016-02-11 17:05:23 -0500
commit177810c910348f9958bff22ec9c543637a2d6e8b (patch)
tree2ef3b7ccd95e8512a2b3cfe075ec58a368f5286d /bftw.h
parentaeff24ee344e5b9c4f2f9040a02320952e70ccd7 (diff)
downloadbfs-177810c910348f9958bff22ec9c543637a2d6e8b.tar.xz
Keep one fd free for the predicates themselves.
Otherwise -empty may start failing once the dircache grows. It's still possible to cause failures with $ bfs some/big/dir -empty 3</dev/null because one more fd than expected will be allocated, but that's not a common case. It could be worked around by reading /proc/self/fd/ at startup.
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