| Matteo Scandolo | f9d4341 | 2021-01-12 11:11:34 -0800 | [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 | func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
| 14 | // To implement this using libSystem we'd need syscall_syscallPtr for |
| 15 | // fdopendir. However, syscallPtr was only added in Go 1.13, so we fall |
| 16 | // back to raw syscalls for this func on Go 1.12. |
| 17 | var p unsafe.Pointer |
| 18 | if len(buf) > 0 { |
| 19 | p = unsafe.Pointer(&buf[0]) |
| 20 | } else { |
| 21 | p = unsafe.Pointer(&_zero) |
| 22 | } |
| 23 | r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0) |
| 24 | n = int(r0) |
| 25 | if e1 != 0 { |
| 26 | return n, errnoErr(e1) |
| 27 | } |
| 28 | return n, nil |
| 29 | } |