#!/bin/bash

. "${0%/*}"/../lib.sh

findfiles() {
	find "${top_srcdir}" \
		'(' -type d -a '(' -name .git -o -name autotools ')' -prune ')' \
		-o '(' '(' -name '*.[ch]' -a ! -name 'probes.h' ')' -print0 ')'
}

#
# don't allow obsolete functions
#
findfiles | xargs -0 \
	grep -n -E -e '\<(bcmp|bcopy|bzero|getwd|index|mktemp|rindex|utimes)\>[[:space:]]*\(' \
	| sed -e "s:^\.\./\.\./::g" > "${builddir}"/src.obsolete.funcs
testit src.obsolete.funcs



#
# make sure people use our constants
#
findfiles | xargs -0 \
	grep -n -E -e '\<PATH_MAX\>' | grep -v __PAX_UTILS_PATH_MAX \
	| sed -e "s:^\.\./\.\./::g" > "${builddir}"/src.bad.constants
testit src.bad.constants



#
# don't allow obsolete headers
#
findfiles | xargs -0 \
	grep -n -E -e '\<(malloc|memory|sys/(errno|fcntl|signal|stropts|termios|unistd))\.h\>' \
	| sed -e "s:^\.\./\.\./::g" > "${builddir}"/src.obsolete.headers
testit src.obsolete.headers



#
# make sure people use the x* helper funcs
#
xfuncs=$(printf '%s|' $(sed -n 's:.*x\([^(]*\)(.*:\1:p' "${top_srcdir}"/xfuncs.h))
xfuncs=${xfuncs:0:${#xfuncs}-1}
findfiles | xargs -0 \
	grep -n -E -e "\<(${xfuncs})[[:space:]]*\(" \
	| grep -v xfuncs.c \
	| sed -e "s:^\.\./\.\./::g" > "${builddir}"/src.use.xfuncs
testit src.use.xfuncs



#
# check for style
#
findfiles | xargs -0 \
	grep -n -E \
		-e '\<(for|if|switch|while)\(' \
		-e '\<(for|if|switch|while) \( ' \
		-e ' ;' \
		-e '[[:space:]]$' \
		-e '\){' \
		-e '(^|[^:])//' \
	| sed -e "s:^\.\./\.\./::g" > "${builddir}"/src.style
testit src.style



#
# Auto clean up the space issues
#
while read -d'\0' x; do
	case ${x} in
	*/elf.h) continue ;; # Not our files
	esac
	./space "${x}" > "${builddir}/${x}~"
	if ! diff -u "${x}" "${builddir}/${x}~" ; then
		echo "New file: ${x}~"
	else
		rm -f "${builddir}/${x}~"
	fi
done > "${builddir}"/src.space < <(findfiles)
testit src.space



#
# Make sure we don't keep re-importing stuff into elf.h that
# breaks non-GNU systems. #507470
#
grep -E "features.h|_DECLS" "${top_srcdir}"/elf.h > "${builddir}"/src.elf.h
testit src.elf.h



#
# Python checks
#
if pyflakes </dev/null 2>/dev/null; then
	find "${top_srcdir}" \
		'!' -ipath '*/tests/*' \
		-name '*.py' \
		-exec pyflakes {} + > "${builddir}"/src.pyflakes
	testit src.pyflakes
fi



exit ${ret}