How can I recover the file name given an open stream?
Q
How can I recover the file name given an open stream?
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A
This problem is, in general, insoluble. Under Unix, for instance, a scan of the entire disk (perhaps involving special permissions) would theoretically be required, and would fail if the descriptor were connected to a pipe or referred to a deleted file (and could give a misleading answer for a file with multiple links). It is best to remember the names of files yourself as you open them (perhaps with a wrapper function around fopen).
2015-10-05, 1337👍, 0💬
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