#! /bin/sh
# compare files to those in a library
# -i means don't get upset about mismatches
ignore=n
while test " $1" = " -i"
do
	ignore=y
	shift
done
case "$#" in
0|1)	echo "Usage: $0 [-i] library file ..." >&2 ; exit 2	;;
esac

lib="$1"
shift
if test ! -r "$lib"
then
	echo "$0: library \`$lib' does not exist or is unreadable" >&2
	exit 1
fi

status=0
for f
do
	base="`echo $f | sed 's/\.o$//'`"
	tmp=$base.t
	save=$base.x
	trap '' 1 2 15
	mv $f $save
	ar x $lib $f
	mv $f $tmp
	mv $save $f
	cmp $f $tmp || test " $ignore" = " y" || status=1
	rm -f $tmp
	trap 1 2 15
done
exit $status