Move /etc/conf.d/rc to /etc/rc.conf.

Lowercase all configurable variables, non configurations remain uppercase.
Replace rc_env_bool with rc_yesno.
Split localmount info procfs (Linux) and dumpon, savecore (BSD)

init.d.BSD/savecore

@@ -0,0 +1,56 @@
+#!/sbin/runscript
+# Copyright 1999-2007 Gentoo Foundation
+# Copyright 2007 Roy Marples
+# All rights reserved
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+description="Saves a kernel dump."
+
+depend() {
+	need checkfs
+	before swap
+}
+
+start() {
+	local dump_dir=${dump_dir:-/var/crash}
+	if ! [ -d "${dump_dir}" ]; then
+		mkdir -p "${dump_dir}"
+		chmod 700 "${dump_dir}"
+	fi
+
+	if [ "${RC_UNAME}" = "FreeBSD" ] ; then
+		# Don't quote ${dump_device}, so that if it's unset,
+		# savecore will check on the partitions listed in fstab
+		# without errors in the output
+		savecore -C "${dump_dir}" ${dump_device} >/dev/null
+	else
+		ls "${dump_dir}"/bsd* > /dev/null 2>&1
+	fi
+	[ $? = 0 ] || return 0
+
+	local sopts="${dump_dir} ${dump_device}"
+	yesno ${dump_compress} && sopts="-z ${sopts}"
+	ebegin "Saving kernel core dump in ${dump_dir}"
+	savecore ${sopts} >/dev/null
+	eend $?
+}