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package hcsshim
import (
"io"
"syscall"
"github.com/Microsoft/go-winio"
)
// makeOpenFiles calls winio.MakeOpenFile for each handle in a slice but closes all the handles
// if there is an error.
func makeOpenFiles(hs []syscall.Handle) (_ []io.ReadWriteCloser, err error) {
fs := make([]io.ReadWriteCloser, len(hs))
for i, h := range hs {
if h != syscall.Handle(0) {
if err == nil {
fs[i], err = winio.MakeOpenFile(h)
}
if err != nil {
syscall.Close(h)
}
}
}
if err != nil {
for _, f := range fs {
if f != nil {
f.Close()
}
}
return nil, err
}
return fs, nil
}
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