-/* $Id$ */
-
/* _PDCLIB_prepread( struct _PDCLIB_file_t * )
This file is part of the Public Domain C Library (PDCLib).
#include <stdio.h>
-#define _PDCLIB_GLUE_H _PDCLIB_GLUE_H
#include <_PDCLIB_glue.h>
int _PDCLIB_prepread( struct _PDCLIB_file_t * stream )
( stream->status & ( _PDCLIB_FWRITE | _PDCLIB_FAPPEND | _PDCLIB_ERRORFLAG | _PDCLIB_WIDESTREAM | _PDCLIB_EOFFLAG ) ) ||
! ( stream->status & ( _PDCLIB_FREAD | _PDCLIB_FRW ) ) )
{
- _PDCLIB_errno = _PDCLIB_EIO;
+ /* Function called on illegal (e.g. output) stream.
+ See comments on implementation-defined errno values in
+ <_PDCLIB_config.h>.
+ */
+ _PDCLIB_errno = _PDCLIB_ERROR;
stream->status |= _PDCLIB_ERRORFLAG;
return EOF;
}
}
}
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ /* Testing covered by ftell.c */
+ return TEST_RESULTS;
+}
+
+#endif
+