文件操作 - dev_darwin.go
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文件: /usr/share/go-1.23/src/cmd/vendor/golang.org/x/sys/unix/dev_darwin.go
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// Copyright 2017 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. // Functions to access/create device major and minor numbers matching the // encoding used in Darwin's sys/types.h header. package unix // Major returns the major component of a Darwin device number. func Major(dev uint64) uint32 { return uint32((dev >> 24) & 0xff) } // Minor returns the minor component of a Darwin device number. func Minor(dev uint64) uint32 { return uint32(dev & 0xffffff) } // Mkdev returns a Darwin device number generated from the given major and minor // components. func Mkdev(major, minor uint32) uint64 { return (uint64(major) << 24) | uint64(minor) }
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