| // Copyright 2019 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build darwin |
| // +build darwin |
| |
| package unix |
| |
| import "unsafe" |
| |
| // ReadDirent reads directory entries from fd and writes them into buf. |
| func ReadDirent(fd int, buf []byte) (n int, err error) { |
| // Final argument is (basep *uintptr) and the syscall doesn't take nil. |
| // 64 bits should be enough. (32 bits isn't even on 386). Since the |
| // actual system call is getdirentries64, 64 is a good guess. |
| // TODO(rsc): Can we use a single global basep for all calls? |
| var base = (*uintptr)(unsafe.Pointer(new(uint64))) |
| return Getdirentries(fd, buf, base) |
| } |