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37 lines
480 B
Go
37 lines
480 B
Go
//go:build !unix
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package vfs
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import (
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"io/fs"
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"os"
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)
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const (
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_S_IREAD = 0400
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_S_IWRITE = 0200
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_S_IEXEC = 0100
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)
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func osAccess(path string, flags AccessFlag) error {
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fi, err := os.Stat(path)
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if err != nil {
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return err
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}
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if flags == ACCESS_EXISTS {
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return nil
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}
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var want fs.FileMode = _S_IREAD
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if flags == ACCESS_READWRITE {
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want |= _S_IWRITE
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}
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if fi.IsDir() {
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want |= _S_IEXEC
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}
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if fi.Mode()&want != want {
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return fs.ErrPermission
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}
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return nil
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}
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