pp.back.macos.func

#@ pp_backend_macos_function(func): output one platform-dependent function
pp_backend_macos_function () {
    case "$1" in
	_pp_macos_search_unused) cat<<'.';;
	    # Find an unused value in the given path
	    # args: path attribute minid [maxid]
		pp_tmp_val=$3
		while :; do
		    test $pp_tmp_val -ge ${4:-999999} && return 1
		    /usr/bin/dscl . -search "$1" "$2" $pp_tmp_val |
			grep . > /dev/null || break
		    pp_tmp_val=`expr $pp_tmp_val + 1`
		done
		echo $pp_tmp_val
.
        pp_mkgroup:depends) echo _pp_macos_search_unused;;
        pp_mkgroup) cat<<'.';;
	    set -e
	    /usr/bin/dscl . -read /Groups/"$1" >/dev/null 2>&1 && return
	    pp_tmp_gid=`_pp_macos_search_unused /Groups PrimaryGroupID 100`
	    /usr/bin/dscl . -create /Groups/"$1"
	    /usr/bin/dscl . -create /Groups/"$1" PrimaryGroupID $pp_tmp_gid
	    /usr/bin/dscl . -create /Groups/"$1" RealName "Group $1"
	    /usr/bin/dscl . -create /Groups/"$1" GroupMembership ""
	    /usr/bin/dscl . -create /Groups/"$1" Password '*'
.
        pp_mkuser:depends) echo pp_mkgroup _pp_macos_search_unused;;
        pp_mkuser) cat<<'.';;
	    set -e
	    /usr/bin/dscl . -read /Users/"$1" >/dev/null 2>&1 && return
	    pp_tmp_uid=`_pp_macos_search_unused /Users UniqueID 100`
	    pp_mkgroup "${2:-$1}"
	    pp_tmp_gid=`/usr/bin/dscl . -read /Groups/"${2:-$1}" \
		PrimaryGroupID | awk '{print $2}'`
	    /usr/bin/dscl . -create /Users/"$1"
	    /usr/bin/dscl . -create /Users/"$1" PrimaryGroupID $pp_tmp_gid
	    /usr/bin/dscl . -create /Users/"$1" NFSHomeDirectory \
				    "${3:-/var/empty}"
	    /usr/bin/dscl . -create /Users/"$1" UserShell \
				    "${4:-/usr/bin/false}"
	    /usr/bin/dscl . -create /Users/"$1" RealName "$1"
	    /usr/bin/dscl . -create /Users/"$1" UniqueID $pp_tmp_uid
	    /usr/bin/dscl . -create /Users/"$1" Password '*'
.
        pp_havelib) cat<<'.';;
	    # (use otool -L to find dependent libraries)
            for pp_tmp_dir in `echo "${3:+$3:}/usr/local/lib:/lib:/usr/lib" |
		    tr : ' '`; do
                test -r "$pp_tmp_dir/lib$1{$2:+.$2}.dylib" && return 0
            done
            return 1
.
	*) false;;
    esac
}