00a7935f14
Signed-off-by: John Howard <jhoward@microsoft.com> (cherry picked from commit b1b9937bc75f0db9c804838ecce9bb6792a42525) Signed-off-by: Sebastiaan van Stijn <github@gone.nl> Upstream-commit: 533b0f602d10af8fe325c3544a2411f5060a47b8 Component: engine
25 lines
763 B
Go
25 lines
763 B
Go
package system // import "github.com/docker/docker/pkg/system"
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import "syscall"
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// GetLongPathName converts Windows short pathnames to full pathnames.
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// For example C:\Users\ADMIN~1 --> C:\Users\Administrator.
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// It is a no-op on non-Windows platforms
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func GetLongPathName(path string) (string, error) {
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// See https://groups.google.com/forum/#!topic/golang-dev/1tufzkruoTg
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p := syscall.StringToUTF16(path)
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b := p // GetLongPathName says we can reuse buffer
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n, err := syscall.GetLongPathName(&p[0], &b[0], uint32(len(b)))
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if err != nil {
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return "", err
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}
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if n > uint32(len(b)) {
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b = make([]uint16, n)
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_, err = syscall.GetLongPathName(&p[0], &b[0], uint32(len(b)))
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if err != nil {
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return "", err
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}
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}
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return syscall.UTF16ToString(b), nil
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}
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