ref: caa2cd99e469f598d19a03f2ba4d3c23c6e9d6f5
dir: /lib/std/mkpath.myr/
use "syswrap"
use "errno"
pkg std =
const mkpath : (p : byte[:], mode : int64 -> errno)
;;
const mkpath = {p, mode
var st
for var i = 0; i < p.len; i++
if p[i] == '/' castto(byte) && i != 0
st = mkdir(p[:i], mode)
if st != 0 && st != Eexist
-> st
;;
;;
;;
-> Enone
}