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// Copyright 2024 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 || darwin || dragonfly || freebsd || linux || openbsd || solaris || wasip1
package os
import (
"runtime"
"syscall"
)
// isNoFollowErr reports whether err may result from O_NOFOLLOW blocking an open operation.
func isNoFollowErr(err error) bool {
switch err {
case syscall.ELOOP, syscall.EMLINK:
return true
}
if runtime.GOOS == "dragonfly" {
// Dragonfly appears to return EINVAL from openat in this case.
if err == syscall.EINVAL {
return true
}
}
return false
}
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