mirror of
https://github.com/vbatts/go-mtree.git
synced 2024-12-23 06:06:31 +00:00
36 lines
863 B
Go
36 lines
863 B
Go
|
// +build linux
|
||
|
|
||
|
package xattr
|
||
|
|
||
|
import (
|
||
|
"strings"
|
||
|
"syscall"
|
||
|
)
|
||
|
|
||
|
// Get returns the extended attributes (xattr) on file `path`, for the given `name`.
|
||
|
func Get(path, name string) ([]byte, error) {
|
||
|
dest := make([]byte, 1024)
|
||
|
i, err := syscall.Getxattr(path, name, dest)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return dest[:i], nil
|
||
|
}
|
||
|
|
||
|
// Set sets the extended attributes (xattr) on file `path`, for the given `name` and `value`
|
||
|
func Set(path, name string, value []byte) error {
|
||
|
return syscall.Setxattr(path, name, value, 0)
|
||
|
}
|
||
|
|
||
|
// List returns a list of all the extended attributes (xattr) for file `path`
|
||
|
func List(path string) ([]string, error) {
|
||
|
dest := make([]byte, 1024)
|
||
|
i, err := syscall.Listxattr(path, dest)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return strings.Split(strings.TrimRight(string(dest[:i]), nilByte), nilByte), nil
|
||
|
}
|
||
|
|
||
|
const nilByte = "\x00"
|