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Diffstat (limited to 'vendor/github.com/containerd/continuity/fs/hardlink_unix.go')
-rw-r--r--vendor/github.com/containerd/continuity/fs/hardlink_unix.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/continuity/fs/hardlink_unix.go b/vendor/github.com/containerd/continuity/fs/hardlink_unix.go
new file mode 100644
index 000000000..f95f0904c
--- /dev/null
+++ b/vendor/github.com/containerd/continuity/fs/hardlink_unix.go
@@ -0,0 +1,34 @@
+// +build !windows
+
+/*
+ Copyright The containerd Authors.
+
+ 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 (
+ "os"
+ "syscall"
+)
+
+func getLinkInfo(fi os.FileInfo) (uint64, bool) {
+ s, ok := fi.Sys().(*syscall.Stat_t)
+ if !ok {
+ return 0, false
+ }
+
+ // Ino is uint32 on bsd, uint64 on darwin/linux/solaris
+ return uint64(s.Ino), !fi.IsDir() && s.Nlink > 1 // nolint: unconvert
+}