| divyadesai | 1900913 | 2020-03-04 12:58:08 +0000 | [diff] [blame] | 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 | |
| David K. Bainbridge | bd6b288 | 2021-08-26 13:31:02 +0000 | [diff] [blame^] | 5 | //go:build darwin |
| divyadesai | 1900913 | 2020-03-04 12:58:08 +0000 | [diff] [blame] | 6 | // +build darwin |
| 7 | |
| 8 | package unix |
| 9 | |
| 10 | import "unsafe" |
| 11 | |
| 12 | // ReadDirent reads directory entries from fd and writes them into buf. |
| 13 | func ReadDirent(fd int, buf []byte) (n int, err error) { |
| 14 | // Final argument is (basep *uintptr) and the syscall doesn't take nil. |
| 15 | // 64 bits should be enough. (32 bits isn't even on 386). Since the |
| 16 | // actual system call is getdirentries64, 64 is a good guess. |
| 17 | // TODO(rsc): Can we use a single global basep for all calls? |
| 18 | var base = (*uintptr)(unsafe.Pointer(new(uint64))) |
| 19 | return Getdirentries(fd, buf, base) |
| 20 | } |