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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 14:38:21 -0400
committerGitHub <noreply@github.com>2017-11-01 14:38:21 -0400
commitf5019df3f5da9030ce21e5c8ad3d3921a6585e7f (patch)
tree05412dcc190ca026dbe51a4ef72bb91ff646e7c6 /vendor/golang.org/x/sys/unix/dev_darwin.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
parenteab0737f1189a7b88f0a37a6b894ca4345b6853f (diff)
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Merge pull request #1 from mheon/master
Initial checkin
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_darwin.go')
-rw-r--r--vendor/golang.org/x/sys/unix/dev_darwin.go24
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_darwin.go b/vendor/golang.org/x/sys/unix/dev_darwin.go
new file mode 100644
index 000000000..7d101d527
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/dev_darwin.go
@@ -0,0 +1,24 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used in Darwin's sys/types.h header.
+
+package unix
+
+// Major returns the major component of a Darwin device number.
+func Major(dev uint64) uint32 {
+ return uint32((dev >> 24) & 0xff)
+}
+
+// Minor returns the minor component of a Darwin device number.
+func Minor(dev uint64) uint32 {
+ return uint32(dev & 0xffffff)
+}
+
+// Mkdev returns a Darwin device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+ return uint64((major << 24) | minor)
+}