1 // 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 

     7 package unix

     8 

     9 import "unsafe"

    10 

    11 // ReadDirent reads directory entries from fd and writes them into buf.

    12 func 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 }