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#!/bin/sh
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
USAGE="# Usage: ${0} [-h | -G] -s File.d [-o <File>]"
mode=
while getopts hGs:o: opt; do
case "${opt}" in
h) mode=header ;;
s) input=$OPTARG ;;
o) output=$OPTARG ;;
G) mode=object ;;
\?)
echo $USAGE
exit 1
;;
esac
done
shift $((OPTIND - 1))
if test -z "${mode}" || test -z "${input}"; then
echo $USAGE
exit 1
fi
case "${mode}" in
header)
if test -z "${output}"; then
output="$(basename "${input}" .d).h"
fi
PROVIDER=$(cat "${input}" | sed -ne 's/^provider \(.*\) {/\1/p' | tr "a-z" "A-Z")
sed -ne 's/.*probe \(.*\)(.*);/\1/p' "${input}" | tr "a-z" "A-Z" | while read PROBE; do
echo "#define ${PROVIDER}_${PROBE}_ENABLED() 0"
echo "#define ${PROVIDER}_${PROBE}(...)"
done >"${output}"
;;
object)
if test -z "${output}"; then
output="$(basename "${input}" .d).o"
fi
echo "extern int empty;" | gcc -xc -c - -fPIC -DPIC -o "${output}"
;;
esac
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