26 lines
556 B
Go
26 lines
556 B
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package unix
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import (
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"syscall"
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"unsafe"
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)
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func CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) {
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r1, _, errno := syscall.Syscall6(copyFileRangeTrap,
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uintptr(rfd),
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uintptr(unsafe.Pointer(roff)),
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uintptr(wfd),
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uintptr(unsafe.Pointer(woff)),
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uintptr(len),
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uintptr(flags),
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)
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n = int(r1)
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if errno != 0 {
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err = errno
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}
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return
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}
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