blob: 5fdae40b3a8ec3818f987869caa83c81350831a5 [file] [log] [blame]
Holger Hildebrandtfa074992020-03-27 15:42:06 +00001// Copyright 2019 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// +build darwin
6
7package unix
8
9import "unsafe"
10
11// ReadDirent reads directory entries from fd and writes them into buf.
12func ReadDirent(fd int, buf []byte) (n int, err error) {
13 // Final argument is (basep *uintptr) and the syscall doesn't take nil.
14 // 64 bits should be enough. (32 bits isn't even on 386). Since the
15 // actual system call is getdirentries64, 64 is a good guess.
16 // TODO(rsc): Can we use a single global basep for all calls?
17 var base = (*uintptr)(unsafe.Pointer(new(uint64)))
18 return Getdirentries(fd, buf, base)
19}