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authorLibravatar René Scharfe <l.s.r@web.de>2017-07-16 13:16:01 +0200
committerLibravatar Junio C Hamano <gitster@pobox.com>2017-07-17 14:55:21 -0700
commit168e63554cbd965fee4d0092e02f8170eba7481f (patch)
tree4c8dab271a4d080f1ba05f91d3ce2d2b3d3ee7fb /argv-array.h
parentapply: use COPY_ARRAY and MOVE_ARRAY in update_image() (diff)
downloadtgif-168e63554cbd965fee4d0092e02f8170eba7481f.tar.xz
ls-files: don't try to prune an empty index
Exit early when asked to prune an index that contains no entries to begin with. This avoids pointer arithmetic on istate->cache, which is possibly NULL in that case. Found with Clang's UBSan. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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