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author | Matthew Heon <matthew.heon@gmail.com> | 2017-11-01 11:24:59 -0400 |
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committer | Matthew Heon <matthew.heon@gmail.com> | 2017-11-01 11:24:59 -0400 |
commit | a031b83a09a8628435317a03f199cdc18b78262f (patch) | |
tree | bc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/golang.org/x/sys/unix/dev_darwin.go | |
parent | 2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff) | |
download | podman-a031b83a09a8628435317a03f199cdc18b78262f.tar.gz podman-a031b83a09a8628435317a03f199cdc18b78262f.tar.bz2 podman-a031b83a09a8628435317a03f199cdc18b78262f.zip |
Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_darwin.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/dev_darwin.go | 24 |
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) +} |