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d4a5c2be8b
While filenames on NFS shares are converted internally to a widechar
representation of the input bytes treated as the default system ANSI
codepage (CP_ACP), this doesn't hold for share names. The names
returned by WNetEnumResourceW are just the original bytes dropped
verbatim into WCHAR.
The original conversion from 7db1c6fc4e2a ("Cygwin: //server: revert
to using WNet and support NFS shares") was erroneous in that it
treated the bytes as ISO-8859-1, not as CP_ACP codepoints.
Fix the conversion to convert from CP_ACP to widechar. Use a tmp_pathbuf
buffer for the new widechar string instead of malloc/free. Extend the
comment, better explaining the encoding difference between files and
shares.
Fixes: 7db1c6fc4e2a ("Cygwin: //server: revert to using WNet and support NFS shares")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>