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 //go: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 } 20