# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

# Simple test to make sure our new glibc isnt completely broken.
# Make sure we don't test with statically built binaries since
# they will fail.  Also, skip if this glibc is a cross compiler.
#
# If coreutils is built with USE=multicall, some of these files
# will just be wrapper scripts, not actual ELFs we can test.
glibc_sanity_check() {
	cd / #228809

	# We enter ${ED} so to avoid trouble if the path contains
	# special characters; for instance if the path contains the
	# colon character (:), then the linker will try to split it
	# and look for the libraries in an unexpected place. This can
	# lead to unsafe code execution if the generated prefix is
	# within a world-writable directory.
	# (e.g. /var/tmp/portage:${HOSTNAME})
	pushd "${ED}"/$(get_libdir) >/dev/null

	local x striptest
	for x in cal date env free ls true uname uptime ; do
		x=$(type -p ${x})
		[[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue
		striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue
		case ${striptest} in
		*"statically linked"*) continue;;
		*"ASCII text"*) continue;;
		esac
		# We need to clear the locale settings as the upgrade might want
		# incompatible locale data.  This test is not for verifying that.
		LC_ALL=C \
		./ld-*.so --library-path . ${x} > /dev/null \
			|| die "simple run test (${x}) failed"
	done

	popd >/dev/null
}

eblit-glibc-pkg_preinst() {
	# nothing to do if just installing headers
	just_headers && return

	# prepare /etc/ld.so.conf.d/ for files
	mkdir -p "${EROOT}"/etc/ld.so.conf.d

	# Default /etc/hosts.conf:multi to on for systems with small dbs.
	if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then
		sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf
		elog "Defaulting /etc/host.conf:multi to on"
	fi

	[[ ${ROOT} != "/" ]] && return 0
	[[ -d ${ED}/$(get_libdir) ]] || return 0
	glibc_sanity_check

	# For newer EAPIs, this was run in pkg_pretend.
	if [[ ${EAPI:-0} == [0123] ]] ; then
		check_devpts
	fi
}