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by p_l
1621 days ago
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NTFS is a bit funnier in that aspect than most people realise. Effectively, you can have multiple "name" attributes on the FILE structure (which describes any kind of object in NTFS), and those names have associated "namespace" to them (or "kind"). I think ntfs.sys enforces that there's only one name per namespace, but I do not remember offhand if it was made impossible in the structure itself. The namespaces available include at least 3 - native WinNT (16-bit Unicode, long file name), DOS-compatible (8.3 - this is where compatible names with tildes are put when generated), and POSIX (different set of allowed characters, generally 8bit with encoding ignored iirc, long file names). If you handcraft the file, you can generate one that has all three completely different, resulting in different file names seen by different APIs |
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