sfio_s.h revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
1da2e3ebchin/***********************************************************************
2da2e3ebchin*                                                                      *
3da2e3ebchin*               This software is part of the ast package               *
4da2e3ebchin*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5da2e3ebchin*                      and is licensed under the                       *
6da2e3ebchin*                  Common Public License, Version 1.0                  *
7da2e3ebchin*                      by AT&T Knowledge Ventures                      *
8da2e3ebchin*                                                                      *
9da2e3ebchin*                A copy of the License is available at                 *
10da2e3ebchin*            http://www.opensource.org/licenses/cpl1.0.txt             *
11da2e3ebchin*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12da2e3ebchin*                                                                      *
13da2e3ebchin*              Information and Software Systems Research               *
14da2e3ebchin*                            AT&T Research                             *
15da2e3ebchin*                           Florham Park NJ                            *
16da2e3ebchin*                                                                      *
17da2e3ebchin*                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebchin*                  David Korn <dgk@research.att.com>                   *
19da2e3ebchin*                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebchin*                                                                      *
21da2e3ebchin***********************************************************************/
22da2e3ebchin#ifndef _SFIO_S_H
23da2e3ebchin#define _SFIO_S_H	1
24da2e3ebchin
25da2e3ebchin/*
26da2e3ebchin * sfio file structure used by sfio and the stdio source compatibility library
27da2e3ebchin */
28da2e3ebchin
29da2e3ebchin#if !defined(_SFHDR_H) && defined(_SFIO_H) && SFIO_VERSION < 20020214L
30da2e3ebchin#define	_data		data
31da2e3ebchin#define	_endb		endb
32da2e3ebchin#define	_next		next
33da2e3ebchin#endif
34da2e3ebchin
35da2e3ebchinstruct _sfio_s
36da2e3ebchin{	unsigned char*	_next;	/* next position to read/write from	*/
37da2e3ebchin	unsigned char*	_endw;	/* end of write buffer			*/
38da2e3ebchin	unsigned char*	_endr;	/* end of read buffer			*/
39da2e3ebchin	unsigned char*	_endb;	/* end of buffer			*/
40da2e3ebchin	struct _sfio_s*	_push;	/* the stream that was pushed on	*/
41da2e3ebchin	unsigned short	_flags;	/* type of stream			*/
42da2e3ebchin	short		_file;	/* file descriptor			*/
43da2e3ebchin	unsigned char*	_data;	/* base of data buffer			*/
44da2e3ebchin	ssize_t		_size;	/* buffer size				*/
45da2e3ebchin	ssize_t		_val;	/* values or string lengths		*/
46da2e3ebchin#ifdef _SFIO_PRIVATE
47da2e3ebchin	_SFIO_PRIVATE
48da2e3ebchin#endif
49da2e3ebchin};
50da2e3ebchin
51da2e3ebchin#endif
52