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| author | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-05 00:37:32 +0100 |
|---|---|---|
| committer | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-02-05 00:37:32 +0100 |
| commit | 6960aecc25400320adee1b8802a86839326e15b6 (patch) | |
| tree | 334f7ca9491080a5e6f9a9747da77281c4958ba2 /vendor/golang.org/x/sys/unix/dev_freebsd.go | |
| download | hepi-6960aecc25400320adee1b8802a86839326e15b6.tar.gz | |
Engage!
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 @@ | |||
| 1 | // Copyright 2017 The Go Authors. All rights reserved. | ||
| 2 | // Use of this source code is governed by a BSD-style | ||
| 3 | // license that can be found in the LICENSE file. | ||
| 4 | |||
| 5 | // Functions to access/create device major and minor numbers matching the | ||
| 6 | // encoding used in FreeBSD's sys/types.h header. | ||
| 7 | // | ||
| 8 | // The information below is extracted and adapted from sys/types.h: | ||
| 9 | // | ||
| 10 | // Minor gives a cookie instead of an index since in order to avoid changing the | ||
| 11 | // meanings of bits 0-15 or wasting time and space shifting bits 16-31 for | ||
| 12 | // devices that don't use them. | ||
| 13 | |||
| 14 | package unix | ||
| 15 | |||
| 16 | // Major returns the major component of a FreeBSD device number. | ||
| 17 | func Major(dev uint64) uint32 { | ||
| 18 | return uint32((dev >> 8) & 0xff) | ||
| 19 | } | ||
| 20 | |||
| 21 | // Minor returns the minor component of a FreeBSD device number. | ||
| 22 | func Minor(dev uint64) uint32 { | ||
| 23 | return uint32(dev & 0xffff00ff) | ||
| 24 | } | ||
| 25 | |||
| 26 | // Mkdev returns a FreeBSD device number generated from the given major and | ||
| 27 | // minor components. | ||
| 28 | func Mkdev(major, minor uint32) uint64 { | ||
| 29 | return (uint64(major) << 8) | uint64(minor) | ||
| 30 | } | ||
