Fix shared directory state between KILL, FILES, and _FILES$ #557
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This PR addresses a bug where KILL, FILES, and _FILES$ unintentionally shared a static
DIR
pointer when performing file searches. As a result, calling any of these functions would reset the search state of _FILES$, leading to unexpected behavior.Each of these functions (KILL, FILES, and _FILES$) now maintains its own separate directory search state, preventing interference between them.
This issue was reported here.