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+ o Minor bugfixes (file handling):
+ - Stop failing when key files are zero-length. Instead, generate new
+ keys, and overwrite the empty key files.
+ Fixes bug 13111. Patch by "teor".
+ - Stop generating a fresh .old RSA key file when the .old file is missing.
+ - Avoid overwriting .old key files with empty key files.
+ - Stop crashing when a NULL filename is passed to file_status().
+ Fixed as part of bug 13111. Patches by "teor".
+
+ o Minor enhancements (file handling):
+ - Skip loading zero-length extra info store, router store, stats, state,
+ and key files.
+ - Return FN_ERROR when a zero-length filename is passed to file_status().
+ Fixed as part of bug 13111. Patches by "teor".
+
+ o Minor enhancements (testing):
+ - Test that tor does not fail when key files are zero-length.
+ Check that tor generates new keys, and overwrites the empty key files.
+ - Test that tor generates new keys when keys are missing (existing
+ behaviour).
+ - Test that tor does not overwrite key files that already contain data
+ (existing behaviour).
+ Tests bug 13111. Patch by "teor".