#!/bin/sh

if [ -z "${NGX_CORE_ENV:-}" ] ; then
	NGX_CORE_ENV='TZ MALLOC_ARENA_MAX'
else
	unset __set_f
	__set_f=
	case "${-}" in
	*f* ) __set_f=1 ;;
	esac
	[ -n "${__set_f}" ] || set -f

	unset __env __have_tz __have_malloc
	for __env in ${NGX_CORE_ENV} ; do
		case "${__env}" in
		TZ | TZ=* )
			__have_tz=1
			;;
		MALLOC_ARENA_MAX | MALLOC_ARENA_MAX=* )
			__have_malloc=1
		;;
		esac
	done
	unset __env

	[ -n "${__have_malloc}" ] || NGX_CORE_ENV="MALLOC_ARENA_MAX ${NGX_CORE_ENV}"
	[ -n "${__have_tz}" ]     || NGX_CORE_ENV="TZ ${NGX_CORE_ENV}"
	unset __have_tz __have_malloc

	[ -n "${__set_f}" ] || set +f
	unset __set_f
fi

export NGX_CORE_ENV