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authorRob Landley <rob@landley.net>2016-03-16 21:55:19 -0500
committerRob Landley <rob@landley.net>2016-03-16 21:55:19 -0500
commit438fa71547d791c5bee3201b42b16415627cdb45 (patch)
tree37767241f455027678d5f704927ba7b4c8f2707c /toys/posix
parent1af3bad8b63b2b6886123d9e681782781a62efca (diff)
downloadtoybox-438fa71547d791c5bee3201b42b16415627cdb45.tar.gz
expr cleanup: traverse optargs with tok instead of incrementing optargs and
copying itinto a second variable. Also add error message for empty ( )
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