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author | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 21:10:04 -0800 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 22:01:46 -0800 |
commit | 8ffb773f43c8dc54801ca1d111854e7e881c93c9 (patch) | |
tree | 38133a2fc612597a75fed1d13e5b4042f58a2b7e /vendor/golang.org/x/sys/unix/dev_darwin.go |
First commit
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 0000000..8d1dc0f --- /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) | uint64(minor) +} |