/
xattr.go
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/
xattr.go
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// Copyright (c) 2015 Rackspace
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fs
import "fmt"
// Setxattr sets xattrs for a file, given a file descriptor, attribute name, and value buffer.
func Setxattr(fileNameOrFd interface{}, attr string, value []byte) (int, error) {
switch v := fileNameOrFd.(type) {
case string:
return setxattr(v, attr, value)
case uintptr:
return fsetxattr(v, attr, value)
case int:
return fsetxattr(uintptr(v), attr, value)
default:
return 0, fmt.Errorf("Invalid fileNameOrFd: %T", fileNameOrFd)
}
}
// Getxattr gets xattrs from a file, given a filename(string) or file descriptor(uintptr), an attribute name, and value buffer to store it to.
func Getxattr(fileNameOrFd interface{}, attr string, value []byte) (int, error) {
switch v := fileNameOrFd.(type) {
case string:
return getxattr(v, attr, value)
case uintptr:
return fgetxattr(v, attr, value)
case int:
return fgetxattr(uintptr(v), attr, value)
default:
return 0, fmt.Errorf("Invalid fileNameOrFd: %T", fileNameOrFd)
}
}