busybox/shell/hush_leaktool.sh

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#!/bin/sh
# hush's stderr with leak debug enabled
output=output
freelist=`grep 'free 0x' "$output" | cut -d' ' -f2 | sort | uniq | xargs`
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grep -v free "$output" >"$output.leaked"
i=8
list=
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for freed in $freelist; do
list="$list -e $freed"
test $((--i)) != 0 && continue
echo Dropping $list
grep -F -v $list <"$output.leaked" >"$output.temp"
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mv "$output.temp" "$output.leaked"
i=8
list=
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done
if test "$list"; then
echo Dropping $list
grep -F -v $list <"$output.leaked" >"$output.temp"
mv "$output.temp" "$output.leaked"
fi