1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #ifndef _SFIO_S_H
23 #define _SFIO_S_H	1
24 
25 /*
26  * sfio file structure used by sfio and the stdio source compatibility library
27  */
28 
29 #if !defined(_SFHDR_H) && defined(_SFIO_H) && SFIO_VERSION < 20020214L
30 #define	_data		data
31 #define	_endb		endb
32 #define	_next		next
33 #endif
34 
35 struct _sfio_s
36 {	unsigned char*	_next;	/* next position to read/write from	*/
37 	unsigned char*	_endw;	/* end of write buffer			*/
38 	unsigned char*	_endr;	/* end of read buffer			*/
39 	unsigned char*	_endb;	/* end of buffer			*/
40 	struct _sfio_s*	_push;	/* the stream that was pushed on	*/
41 	unsigned short	_flags;	/* type of stream			*/
42 	short		_file;	/* file descriptor			*/
43 	unsigned char*	_data;	/* base of data buffer			*/
44 	ssize_t		_size;	/* buffer size				*/
45 	ssize_t		_val;	/* values or string lengths		*/
46 #ifdef _SFIO_PRIVATE
47 	_SFIO_PRIVATE
48 #endif
49 };
50 
51 #endif
52