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authorn1c00o <n@nc0.fr>2023-02-05 14:05:26 +0100
committerNicolas <34602094+n1c00o@users.noreply.github.com>2023-02-06 22:35:54 +0100
commitb371cb11a5877ede8847351e95c7847b5024a551 (patch)
tree958227cf8562503246976744b89370d389de5f66 /vendor/golang.org/x/sys/unix/dev_openbsd.go
parent03e0c597ad5f3539ad33976fe02c11a9e39f34d6 (diff)
Init Go module
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
+}