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
7package unix
8
9import (
10	"unsafe"
11)
12
13func 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}
30