3864afa1d1
1. Don't reimplement S_ISDIR() and S_ISREG() badly. 2. Don't reimplement access() badly. This code appears to have been copied from ancient versions of the corresponding backend routines, and not patched to incorporate subsequent fixes (see my commits of 2008-03-31 and 2010-01-14 respectively). It might be a good idea to change it to just *call* those routines, but for now I'll just transpose these fixes over.
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