mirror of
https://github.com/criyle/go-judge.git
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30 lines
436 B
Go
30 lines
436 B
Go
package file
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import (
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"bytes"
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"os"
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"github.com/criyle/go-sandbox/pkg/memfd"
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)
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var enableMemFd = true
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func (m *memFile) Open() (*os.File, error) {
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if enableMemFd {
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f, err := memfd.DupToMemfd(m.name, bytes.NewReader(m.content))
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if err == nil {
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return f, err
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}
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enableMemFd = false
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}
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r, w, err := os.Pipe()
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if err != nil {
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return nil, err
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}
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go func() {
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defer w.Close()
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w.Write(m.content)
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}()
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return r, nil
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}
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