mirror of
https://gitea.com/Lydanne/buildx.git
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37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fs
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import (
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"fmt"
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"os"
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"syscall"
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)
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// copyIrregular covers devices, pipes, and sockets
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func copyIrregular(dst string, fi os.FileInfo) error {
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st, ok := fi.Sys().(*syscall.Stat_t) // not *unix.Stat_t
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if !ok {
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return fmt.Errorf("unsupported stat type: %s: %v", dst, fi.Mode())
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}
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var rDev uint64 // uint64 on FreeBSD, int on other unixen
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if fi.Mode()&os.ModeDevice == os.ModeDevice {
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rDev = st.Rdev
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}
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return syscall.Mknod(dst, uint32(st.Mode), rDev)
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}
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