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| author | Joseph Richey <joerichey94@gmail.com> | 2017-09-29 02:08:56 -0700 |
|---|---|---|
| committer | Joseph Richey <joerichey94@gmail.com> | 2017-09-29 02:33:45 -0700 |
| commit | 05911d5503434a802c6dc9909a74cc76c2bf6661 (patch) | |
| tree | e1e7aa0ba09dcc4b4c56b28429d1f6f288bba03b /vendor/golang.org/x/sys/unix/dev_freebsd.go | |
| parent | a949b13dac670014c37c7181e368b9c0c7a7f0f5 (diff) | |
vendor: Update to latest versions
This changes the vendored sources of github.com/golang/protobuf,
golang.org/x/crypto/ssh, and golang.org/x/sys/unix to be the current
master versions.
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_freebsd.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/dev_freebsd.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_freebsd.go b/vendor/golang.org/x/sys/unix/dev_freebsd.go new file mode 100644 index 0000000..eba3b4b --- /dev/null +++ b/vendor/golang.org/x/sys/unix/dev_freebsd.go @@ -0,0 +1,30 @@ +// 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 FreeBSD's sys/types.h header. +// +// The information below is extracted and adapted from sys/types.h: +// +// Minor gives a cookie instead of an index since in order to avoid changing the +// meanings of bits 0-15 or wasting time and space shifting bits 16-31 for +// devices that don't use them. + +package unix + +// Major returns the major component of a FreeBSD device number. +func Major(dev uint64) uint32 { + return uint32((dev >> 8) & 0xff) +} + +// Minor returns the minor component of a FreeBSD device number. +func Minor(dev uint64) uint32 { + return uint32(dev & 0xffff00ff) +} + +// Mkdev returns a FreeBSD device number generated from the given major and +// minor components. +func Mkdev(major, minor uint32) uint64 { + return (uint64(major) << 8) | uint64(minor) +} |