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authorJoseph Richey <joerichey@google.com>2017-09-29 03:16:43 -0700
committerGitHub <noreply@github.com>2017-09-29 03:16:43 -0700
commitd6efd2ab463e82cc3a78860384f26d809bd76ce5 (patch)
treef2fbf84f4e160d0d5e107ee05338be5e0133f01b /vendor/golang.org/x/sys/unix/dev_netbsd.go
parent3ca15548454f773ea3290f810ed1b1d55fec1783 (diff)
parentddcc450fc6d78806a0d0369bb1cdc2155f4e328e (diff)
Merge pull request #64 from google/new_values
Update all external dependencies to the latest version
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_netbsd.go')
-rw-r--r--vendor/golang.org/x/sys/unix/dev_netbsd.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_netbsd.go b/vendor/golang.org/x/sys/unix/dev_netbsd.go
new file mode 100644
index 0000000..b4a203d
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/dev_netbsd.go
@@ -0,0 +1,29 @@
+// 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 NetBSD's sys/types.h header.
+
+package unix
+
+// Major returns the major component of a NetBSD device number.
+func Major(dev uint64) uint32 {
+ return uint32((dev & 0x000fff00) >> 8)
+}
+
+// Minor returns the minor component of a NetBSD device number.
+func Minor(dev uint64) uint32 {
+ minor := uint32((dev & 0x000000ff) >> 0)
+ minor |= uint32((dev & 0xfff00000) >> 12)
+ return minor
+}
+
+// Mkdev returns a NetBSD device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+ dev := (uint64(major) << 8) & 0x000fff00
+ dev |= (uint64(minor) << 12) & 0xfff00000
+ dev |= (uint64(minor) << 0) & 0x000000ff
+ return dev
+}