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| author | Sandro Jäckel <sandro.jaeckel@sap.com> | 2022-04-01 14:08:42 +0200 |
|---|---|---|
| committer | Sandro Jäckel <sandro.jaeckel@sap.com> | 2022-04-01 14:09:09 +0200 |
| commit | d35e5fb09bfac1fa381e4ed004ea24a6025e36f4 (patch) | |
| tree | e47874ed2c6830abf4c84e9068bc187fb041b6b4 /vendor/golang.org/x/sys/unix/dev_zos.go | |
| parent | cb398f58a5cb4f3e858fe60e84debde6ab58f7c8 (diff) | |
| download | gofu-d35e5fb09bfac1fa381e4ed004ea24a6025e36f4.tar.gz | |
Bump to go 1.17 and update all dependencies
Diffstat (limited to 'vendor/golang.org/x/sys/unix/dev_zos.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/dev_zos.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/dev_zos.go b/vendor/golang.org/x/sys/unix/dev_zos.go new file mode 100644 index 0000000..a388e59 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/dev_zos.go @@ -0,0 +1,29 @@ +// Copyright 2020 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. + +//go:build zos && s390x +// +build zos,s390x + +// Functions to access/create device major and minor numbers matching the +// encoding used by z/OS. +// +// The information below is extracted and adapted from <sys/stat.h> macros. + +package unix + +// Major returns the major component of a z/OS device number. +func Major(dev uint64) uint32 { + return uint32((dev >> 16) & 0x0000FFFF) +} + +// Minor returns the minor component of a z/OS device number. +func Minor(dev uint64) uint32 { + return uint32(dev & 0x0000FFFF) +} + +// Mkdev returns a z/OS device number generated from the given major and minor +// components. +func Mkdev(major, minor uint32) uint64 { + return (uint64(major) << 16) | uint64(minor) +} |
