#!/bin/sh

# Usage: checkfiles file [files...]
#        if "file" is a directory, will check all *.[hc] files recursively

# check usage
usage() {
	echo "Usage: checkfiles [-x] file [files...]"
	echo "(if \"file\" is a directory, check recursively for all C sources/headers)"
	echo "(-x : exclude warnings and only appear errors)"
	echo
	echo "(NOTE : this script don't care about signoff errors(use --no-signoff).)"
	exit 1
}
if test -z "$1" ; then
	usage
fi
if ! test -f scripts/checkpatch.pl ; then
	echo "checkfiles: must run from top level source tree"
	exit 1
fi

if [ "$1" = "-x" ]; then
	exclude_warning="-x"
	shift
fi

# check coding-style compliance of each source file found
find "$@" -type f -name '*.[hc]' | \
while read f ; do
	diff -u /dev/null $f | perl scripts/checkpatch_next.pl --no-signoff ${exclude_warning} -
done