Initial commit

Proof-of-concept implementation. Bugs will occur.

vendor/github.com/hanwen/go-fuse/v2/internal/renameat/renameat.go

@@ -0,0 +1,9 @@
+package renameat
+
+// Renameat is a wrapper around renameat syscall.
+// On Linux, it is a wrapper around renameat2(2).
+// On Darwin, it is a wrapper around renameatx_np(2).
+// On FreeBSD, it is a wrapper around renameat(2).
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
+	return renameat(olddirfd, oldpath, newdirfd, newpath, flags)
+}