| Andrea Campanella | 3614a92 | 2021-02-25 12:40:42 +0100 | [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 | |
| 5 | // +build darwin,go1.12,!go1.13 |
| 6 | |
| 7 | package unix |
| 8 | |
| 9 | import ( |
| 10 | "unsafe" |
| 11 | ) |
| 12 | |
| 13 | const _SYS_GETDIRENTRIES64 = 344 |
| 14 | |
| 15 | func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
| 16 | // To implement this using libSystem we'd need syscall_syscallPtr for |
| 17 | // fdopendir. However, syscallPtr was only added in Go 1.13, so we fall |
| 18 | // back to raw syscalls for this func on Go 1.12. |
| 19 | var p unsafe.Pointer |
| 20 | if len(buf) > 0 { |
| 21 | p = unsafe.Pointer(&buf[0]) |
| 22 | } else { |
| 23 | p = unsafe.Pointer(&_zero) |
| 24 | } |
| 25 | r0, _, e1 := Syscall6(_SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0) |
| 26 | n = int(r0) |
| 27 | if e1 != 0 { |
| 28 | return n, errnoErr(e1) |
| 29 | } |
| 30 | return n, nil |
| 31 | } |