From 1a57267a17c2fc17fb6e104846fabc3e363c326c Mon Sep 17 00:00:00 2001 From: Emile Date: Fri, 16 Aug 2024 19:50:26 +0200 Subject: initial commit --- vendor/golang.org/x/sys/unix/dev_zos.go | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 vendor/golang.org/x/sys/unix/dev_zos.go (limited to 'vendor/golang.org/x/sys/unix/dev_zos.go') 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..bb6a64f --- /dev/null +++ b/vendor/golang.org/x/sys/unix/dev_zos.go @@ -0,0 +1,28 @@ +// 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 + +// Functions to access/create device major and minor numbers matching the +// encoding used by z/OS. +// +// The information below is extracted and adapted from 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) +} -- cgit 1.4.1