56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// Copyright (c) 2015 Rackspace
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hummingbird
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import (
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"syscall"
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"unsafe"
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)
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func FGetXattr(fd uintptr, attr string, value []byte) (int, error) {
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attrp, err := syscall.BytePtrFromString(attr)
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if err != nil {
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return 0, err
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}
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if len(value) == 0 {
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if r0, _, e1 := syscall.Syscall6(syscall.SYS_FGETXATTR, fd, uintptr(unsafe.Pointer(attrp)), 0, 0, 0, 0); e1 == 0 {
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return int(r0), nil
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} else {
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return 0, e1
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}
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} else {
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valuep := unsafe.Pointer(&value[0])
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if r0, _, e1 := syscall.Syscall6(syscall.SYS_FGETXATTR, fd, uintptr(unsafe.Pointer(attrp)), uintptr(valuep), uintptr(len(value)), 0, 0); e1 == 0 {
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return int(r0), nil
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} else {
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return int(r0), e1
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}
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}
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}
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func FSetXattr(fd uintptr, attr string, value []byte) (int, error) {
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attrp, err := syscall.BytePtrFromString(attr)
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if err != nil {
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return 0, err
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}
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valuep := unsafe.Pointer(&value[0])
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r0, _, e1 := syscall.Syscall6(syscall.SYS_FSETXATTR, fd, uintptr(unsafe.Pointer(attrp)), uintptr(valuep), uintptr(len(value)), 0, 0)
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if e1 != 0 {
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err = e1
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}
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return int(r0), nil
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}
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