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tea/vendor/golang.org/x/sys/unix/dev_zos.go
6543 0d98cbd657 Update Vendors (#337)
* update & migrate gitea sdk (Fix Delete Tag Issue)
* upgraded github.com/AlecAivazis/survey v2.2.7 => v2.2.8
* upgraded github.com/adrg/xdg v0.2.3 => v0.3.1
* upgraded github.com/araddon/dateparse
* upgraded github.com/olekukonko/tablewriter v0.0.4 => v0.0.5
* upgraded gopkg.in/yaml.v2 v2.3.0 => v2.4.0

Reviewed-on: https://gitea.com/gitea/tea/pulls/337
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Reviewed-by: khmarbaise <khmarbaise@noreply.gitea.io>
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>
2021-03-05 18:06:25 +08:00

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850 B
Go

// 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)
}