54 lines
884 B
Go
54 lines
884 B
Go
package cmd
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import (
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"os"
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"path/filepath"
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"syscall"
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)
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func localCopy(src, target string) error {
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dirPath := filepath.Dir(target)
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if err := os.MkdirAll(dirPath, 0o755); err != nil {
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return err
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}
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sourceFile, err := os.Open(src)
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if err != nil {
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return err
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}
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defer sourceFile.Close()
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targetFile, err := os.Create(target)
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if err != nil {
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return err
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}
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defer targetFile.Close()
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sourceHandle := syscall.Handle(sourceFile.Fd())
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targetHandle := syscall.Handle(targetFile.Fd())
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err = copyFileEx(sourceHandle, targetHandle)
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if err != nil {
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return err
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}
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return nil
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}
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func copyFileEx(srcHandle, dstHandle syscall.Handle) error {
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kernel32 := syscall.NewLazyDLL("kernel32.dll")
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copyFileEx := kernel32.NewProc("CopyFileExW")
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r1, _, err := copyFileEx.Call(
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uintptr(srcHandle),
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uintptr(dstHandle),
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0, 0, 0, 0)
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if r1 == 0 {
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return err
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}
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return nil
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}
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