文件操作 - dev_aix_ppc64.go
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文件: /usr/share/go-1.23/src/cmd/vendor/golang.org/x/sys/unix/dev_aix_ppc64.go
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// Copyright 2018 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 aix && ppc64 // Functions to access/create device major and minor numbers matching the // encoding used AIX. package unix // Major returns the major component of a Linux device number. func Major(dev uint64) uint32 { return uint32((dev & 0x3fffffff00000000) >> 32) } // Minor returns the minor component of a Linux device number. func Minor(dev uint64) uint32 { return uint32((dev & 0x00000000ffffffff) >> 0) } // Mkdev returns a Linux device number generated from the given major and minor // components. func Mkdev(major, minor uint32) uint64 { var DEVNO64 uint64 DEVNO64 = 0x8000000000000000 return ((uint64(major) << 32) | (uint64(minor) & 0x00000000FFFFFFFF) | DEVNO64) }
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