mDNSMacOSX/build_scripts/update_dns_sd_h_version

#! /bin/bash
#
#	Copyright (c) 2022 Apple Inc. All rights reserved.
#

declare -r script=$( basename ${BASH_SOURCE[0]} )
declare -r header_file="${INSTALL_ROOT:?}/usr/include/dns_sd.h"
if ! [ -f "${header_file}" ]; then
	echo "${script}: '${header_file}' doesn't exist or isn't a regular file."
	exit 1
fi

declare -r version_number="${1}"
echo "${script}: Updating _DNS_SD_H definition in '${header_file}' to version number '${version_number}'."
sed -i '' "s/#define _DNS_SD_H .*/#define _DNS_SD_H ${version_number}/" "${header_file}"