+ unsigned int status = stream->status & ( _IONBF | _IOLBF | _IOFBF | _PDCLIB_FREEBUFFER | _PDCLIB_DELONCLOSE );
+ /* TODO: This function can change wide orientation of a stream */
+ if ( stream->status & _PDCLIB_FWRITE )
+ {
+ _PDCLIB_flushbuffer( stream );
+ }
+ _PDCLIB_close( stream->handle );
+ clearerr( stream );
+ /* FIXME: Copy filename into the FILE structure. */
+ /* FIXME: filename cannot reside in "big block" memory */
+ if ( filename == NULL )
+ {
+ filename = stream->filename;
+ }
+ if ( ( mode == NULL ) || ( filename[0] == '\0' ) )
+ {
+ return NULL;
+ }
+ if ( ( stream->status = _PDCLIB_filemode( mode ) ) == 0 )
+ {
+ return NULL;
+ }
+ /* Re-add the flags we saved above */
+ stream->status |= status;
+ stream->bufidx = 0;
+ stream->bufend = 0;
+ stream->ungetidx = 0;
+ /* TODO: Setting mbstate */
+ if ( ( stream->handle = _PDCLIB_open( filename, stream->status ) ) == _PDCLIB_NOHANDLE )
+ {
+ return NULL;
+ }
+ return stream;