27 lines
737 B
Go
27 lines
737 B
Go
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// longpath introduces some constants and helper functions for handling long paths
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// in Windows, which are expected to be prepended with `\\?\` and followed by either
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// a drive letter, a UNC server\share, or a volume identifier.
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package longpath
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import (
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"strings"
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)
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// Prefix is the longpath prefix for Windows file paths.
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const Prefix = `\\?\`
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// AddPrefix will add the Windows long path prefix to the path provided if
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// it does not already have it.
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func AddPrefix(path string) string {
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if !strings.HasPrefix(path, Prefix) {
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if strings.HasPrefix(path, `\\`) {
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// This is a UNC path, so we need to add 'UNC' to the path as well.
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path = Prefix + `UNC` + path[1:]
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} else {
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path = Prefix + path
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}
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}
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return path
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}
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