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authorDimitri Sokolyuk <demon@dim13.org>2018-09-08 11:22:31 +0200
committerDimitri Sokolyuk <demon@dim13.org>2018-09-08 11:22:31 +0200
commit886f6f54bba52ca2b5bc93bfd7de655d7d31ce53 (patch)
tree096a954a817b904d07b8e1654fdb61369366472b /vendor/golang.org/x/sys/unix/dev_openbsd.go
parentcacf85e209091da8abe02c1f9e584047c8f531da (diff)
switch to go.mod
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_openbsd.go')
-rw-r--r--vendor/golang.org/x/sys/unix/dev_openbsd.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_openbsd.go b/vendor/golang.org/x/sys/unix/dev_openbsd.go
new file mode 100644
index 0000000..f3430c4
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/dev_openbsd.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 OpenBSD's sys/types.h header.
+
+package unix
+
+// Major returns the major component of an OpenBSD device number.
+func Major(dev uint64) uint32 {
+ return uint32((dev & 0x0000ff00) >> 8)
+}
+
+// Minor returns the minor component of an OpenBSD device number.
+func Minor(dev uint64) uint32 {
+ minor := uint32((dev & 0x000000ff) >> 0)
+ minor |= uint32((dev & 0xffff0000) >> 8)
+ return minor
+}
+
+// Mkdev returns an OpenBSD device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+ dev := (uint64(major) << 8) & 0x0000ff00
+ dev |= (uint64(minor) << 8) & 0xffff0000
+ dev |= (uint64(minor) << 0) & 0x000000ff
+ return dev
+}