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internal/syscall/unix: implement Eaccess on freebsd

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Like on linux, use faccessat(AT_FDCWD, path, mode, AT_EACCESS)

Change-Id: I98c8af5008bfa7940abffa6fcb3766254955cb08
Reviewed-on: https://go-review.googlesource.com/c/go/+/531155
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Tobias Klauser 2023-09-27 09:03:11 +02:00 committed by Gopher Robot
parent d785af1adb
commit 1176052bb4
3 changed files with 29 additions and 1 deletions
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2
src/internal/syscall/unix/at_sysnum_freebsd.go
View File

@ -7,6 +7,8 @@ package unix
import "syscall"
const (
AT_EACCESS = 0x100
AT_FDCWD = -0x64
AT_REMOVEDIR = 0x800
AT_SYMLINK_NOFOLLOW = 0x200

26
src/internal/syscall/unix/eaccess_freebsd.go Normal file
View File

@ -0,0 +1,26 @@
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
import (
"syscall"
"unsafe"
)
func faccessat(dirfd int, path string, mode uint32, flags int) error {
p, err := syscall.BytePtrFromString(path)
if err != nil {
return err
}
_, _, errno := syscall.Syscall6(syscall.SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(mode), uintptr(flags), 0, 0)
if errno != 0 {
return errno
}
return err
}
func Eaccess(path string, mode uint32) error {
return faccessat(AT_FDCWD, path, mode, AT_EACCESS)
}

2
src/internal/syscall/unix/eaccess_other.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.
//go:build unix && !linux
//go:build unix && !freebsd && !linux
package unix