diff options
author | Christopher Speller <crspeller@gmail.com> | 2017-09-29 12:46:30 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-09-29 12:46:30 -0700 |
commit | b84736e9b6401df0c6eeab9950bef09458a6aefd (patch) | |
tree | d9175208de3236db75a33879750a57b3000ba096 /vendor/golang.org/x/sys/unix/dev_freebsd.go | |
parent | 8b9dbb86133ff0fd6002a391268383d1593918ca (diff) | |
download | chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.tar.gz chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.tar.bz2 chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.zip |
Updating server dependancies. (#7538)
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 000000000..eba3b4bd3 --- /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) +} |