| changeset 256 | 6d9efbef00a9 |
| parent 251 | 1c52a0eeb952 |
| 255:4f153a23adab | 256:6d9efbef00a9 |
|---|---|
1 // Copyright 2019 The Go Authors. All rights reserved. |
1 // Copyright 2019 The Go Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style |
2 // Use of this source code is governed by a BSD-style |
3 // license that can be found in the LICENSE file. |
3 // license that can be found in the LICENSE file. |
4 |
4 |
5 //go:build darwin && go1.12 && !go1.13 |
|
5 // +build darwin,go1.12,!go1.13 |
6 // +build darwin,go1.12,!go1.13 |
6 |
7 |
7 package unix |
8 package unix |
8 |
9 |
9 import ( |
10 import ( |
10 "unsafe" |
11 "unsafe" |
11 ) |
12 ) |
13 |
|
14 const _SYS_GETDIRENTRIES64 = 344 |
|
12 |
15 |
13 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
16 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
14 // To implement this using libSystem we'd need syscall_syscallPtr for |
17 // 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 |
18 // 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. |
19 // back to raw syscalls for this func on Go 1.12. |
18 if len(buf) > 0 { |
21 if len(buf) > 0 { |
19 p = unsafe.Pointer(&buf[0]) |
22 p = unsafe.Pointer(&buf[0]) |
20 } else { |
23 } else { |
21 p = unsafe.Pointer(&_zero) |
24 p = unsafe.Pointer(&_zero) |
22 } |
25 } |
23 r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0) |
26 r0, _, e1 := Syscall6(_SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0) |
24 n = int(r0) |
27 n = int(r0) |
25 if e1 != 0 { |
28 if e1 != 0 { |
26 return n, errnoErr(e1) |
29 return n, errnoErr(e1) |
27 } |
30 } |
28 return n, nil |
31 return n, nil |