xref: /titanic_52/usr/src/head/stdio_impl.h (revision a5f69788de7ac07553de47f7fec8c05a9a94c105)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _STDIO_IMPL_H
#define	_STDIO_IMPL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/isa_defs.h>

#ifdef	__cplusplus
extern "C" {
#endif

#ifdef	_LP64

#ifndef	_FILE64_H

struct __FILE_TAG {
	long	__pad[16];
};

#endif	/* _FILE64_H */

#else

struct __FILE_TAG	/* needs to be binary-compatible with old versions */
{
#ifdef _STDIO_REVERSE
	unsigned char	*_ptr;	/* next character from/to here in buffer */
	int		_cnt;	/* number of available characters in buffer */
#else
	int		_cnt;	/* number of available characters in buffer */
	unsigned char	*_ptr;	/* next character from/to here in buffer */
#endif
	unsigned char	*_base;	/* the buffer */
	unsigned char	_flag;	/* the state of the stream */
	unsigned char	_magic; /* Old home of the file descriptor */
				/* Only fileno(3C) can retrieve the value now */
	unsigned	__orientation:2; /* the orientation of the stream */
	unsigned	__ionolock:1;	/* turn off implicit locking */
	unsigned	__seekable:1;	/* is file seekable? */
	unsigned	__extendedfd:1;	/* enable extended FILE */
	unsigned	__xf_nocheck:1;	/* no extended FILE runtime check */
	unsigned	__filler:10;
};

#endif	/*	_LP64	*/

#ifdef	__cplusplus
}
#endif

#endif	/* _STDIO_IMPL_H */