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use sys
use "errno.use"
use "cstrconv.use"
use "slcp.use"
use "die.use"

pkg std =
	const exit	: (status:int -> void)
	pkglocal const bgetcwd	: (buf : byte[:] -> errno)
;;

const exit	= {status;	sys.exit(status)}
const bgetcwd	= {buf
	var path : byte[sys.Maxpathlen]
	var fd, len, err

	fd = sys.open(".", sys.Ordonly)
	if fd < 0
		-> fd castto(errno)
	;;
	/* 
	FIXME: if the path is longer than sys.Pathmax, we should fall back to
	the ugly method of finding the path.
	*/
	err = sys.fcntl(fd, sys.Fgetpath, path[:] castto(byte#)) castto(errno)
	if err < 0
		-> err
	;;
	len = cstrlen(path[:])
	if len >= buf.len
		-> Erange
	;;
	slcp(buf[:len], path[:len])
	-> len castto(errno)
}