ref: 6a921aa5b2045b172370c1677c1e3f75b8c3cfc4
dir: /libstd/dir+osx.myr/
use sys use "alloc.use" use "die.use" use "option.use" use "result.use" use "slcp.use" use "sldup.use" use "types.use" pkg std = type dir = struct fd : sys.fd buf : byte[16384] len : int64 off : int64 base : int64 ;; const diropen : (p : byte[:] -> std.result(dir#, byte[:])) const dirread : (d : dir# -> std.option(byte[:])) const dirclose : (d : dir# -> void) ;; const diropen = {p var fd var dir fd = sys.open(p, sys.Ordonly | sys.Odir) if fd < 0 -> `Fail "couldn't open directory" ;; dir = zalloc() dir.fd = fd -> `Ok dir } const dirread = {d var len var dent if d.off >= d.len len = sys.getdirentries64(d.fd, d.buf[:], &d.base) if len <= 0 -> `None ;; d.len = len d.off = 0 ;; dent = &d.buf[d.off] castto(sys.dirent64#) d.off += dent.reclen castto(int64) -> `Some sldup(dent.name[:dent.namlen]) } const dirclose = {d sys.close(d.fd) free(d) }