+++ /dev/null
-/* $Id$ */
-
-/* _PDCLIB_prepread( struct _PDCLIB_file_t * )
-
- This file is part of the Public Domain C Library (PDCLib).
- Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-#include <stdio.h>
-#include <errno.h>
-
-#ifndef REGTEST
-#include <_PDCLIB_glue.h>
-
-int _PDCLIB_prepread( struct _PDCLIB_file_t * stream )
-{
- if ( ( stream->bufidx > stream->bufend ) ||
- ( stream->status & ( _PDCLIB_FWRITE | _PDCLIB_FAPPEND | _PDCLIB_ERRORFLAG | _PDCLIB_WIDESTREAM | _PDCLIB_EOFFLAG ) ) ||
- ! ( stream->status & ( _PDCLIB_FREAD | _PDCLIB_FRW ) ) )
- {
- /* Function called on illegal (e.g. output) stream.
- See comments on implementation-defined errno values in
- <_PDCLIB_config.h>.
- */
- errno = EINVAL;
- stream->status |= _PDCLIB_ERRORFLAG;
- return EOF;
- }
- stream->status |= _PDCLIB_FREAD | _PDCLIB_BYTESTREAM;
- if ( ( stream->bufidx == stream->bufend ) && ( stream->ungetidx == 0 ) )
- {
- return _PDCLIB_fillbuffer( stream );
- }
- else
- {
- return 0;
- }
-}
-#endif
-
-#ifdef TEST
-#include <_PDCLIB_test.h>
-
-int main( void )
-{
- /* Testing covered by ftell.c */
- return TEST_RESULTS;
-}
-
-#endif
-