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| 1 | +// +build !windows,!freebsd |
| 2 | + |
| 3 | +/* |
| 4 | + Copyright The containerd Authors. |
| 5 | +
|
| 6 | + Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | + you may not use this file except in compliance with the License. |
| 8 | + You may obtain a copy of the License at |
| 9 | +
|
| 10 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | +
|
| 12 | + Unless required by applicable law or agreed to in writing, software |
| 13 | + distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + See the License for the specific language governing permissions and |
| 16 | + limitations under the License. |
| 17 | +*/ |
| 18 | + |
| 19 | +package archive |
| 20 | + |
| 21 | +import "golang.org/x/sys/unix" |
| 22 | + |
| 23 | +// mknod wraps Unix.Mknod and casts dev to int |
| 24 | +func mknod(path string, mode uint32, dev uint64) error { |
| 25 | + return unix.Mknod(path, mode, int(dev)) |
| 26 | +} |
| 27 | + |
| 28 | +// lsetxattrCreate wraps unix.Lsetxattr, passes the unix.XATTR_CREATE flag on |
| 29 | +// supported operating systems,and ignores appropriate errors |
| 30 | +func lsetxattrCreate(link string, attr string, data []byte) error { |
| 31 | + err := unix.Lsetxattr(link, attr, data, unix.XATTR_CREATE) |
| 32 | + if err == unix.ENOTSUP || err == unix.ENODATA || err == unix.EEXIST { |
| 33 | + return nil |
| 34 | + } |
| 35 | + return err |
| 36 | +} |
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