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unix: fix Getdirentries emulation using Getdents on netbsd, openbsd

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CL 182319 used the wrong shift offset, correct and enable the TestGetdirentries.

Change-Id: I45d8d420a071fd79fa1b37642b984d80943f492b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/183221
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Yuval Pavel Zholkover
2019-06-21 21:09:53 +03:00
committed by Tobias Klauser
parent d6ba46b060
commit a26fa11ef6
3 changed files with 3 additions and 3 deletions
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2
unix/getdirentries_test.go
View File

@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly
// +build darwin dragonfly freebsd openbsd netbsd
package unix_test

2
unix/syscall_netbsd.go
View File

@@ -137,7 +137,7 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
if unsafe.Sizeof(*basep) == 8 {
return
}
if off>>4 != 0 {
if off>>32 != 0 {
// We can't stuff the offset back into a uintptr, so any
// future calls would be suspect. Generate an error.
// EIO is allowed by getdirentries.

2
unix/syscall_openbsd.go
View File

@@ -106,7 +106,7 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
if unsafe.Sizeof(*basep) == 8 {
return
}
if off>>4 != 0 {
if off>>32 != 0 {
// We can't stuff the offset back into a uintptr, so any
// future calls would be suspect. Generate an error.
// EIO was allowed by getdirentries.