1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1996-2010 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                                                                      *
19***********************************************************************/
20#pragma prototyped
21
22/*
23 * Glenn Fowler
24 * AT&T Research
25 *
26 * checksum library interface
27 */
28
29#ifndef _SUM_H
30#define _SUM_H
31
32#include <ast.h>
33
34#define SUM_SIZE	(1<<0)		/* print size too		*/
35#define SUM_SCALE	(1<<1)		/* traditional size scale	*/
36#define SUM_TOTAL	(1<<2)		/* print totals since sumopen	*/
37#define SUM_LEGACY	(1<<3)		/* legacy field widths		*/
38
39#define _SUM_PUBLIC_	const char*	name;
40
41typedef struct Sumdata_s
42{
43	uint32_t	size;
44	uint32_t	num;
45	void*		buf;
46} Sumdata_t;
47
48typedef struct Sum_s
49{
50	_SUM_PUBLIC_
51#ifdef	_SUM_PRIVATE_
52	_SUM_PRIVATE_
53#endif
54} Sum_t;
55
56extern Sum_t*	sumopen(const char*);
57extern int	suminit(Sum_t*);
58extern int	sumblock(Sum_t*, const void*, size_t);
59extern int	sumdone(Sum_t*);
60extern int	sumdata(Sum_t*, Sumdata_t*);
61extern int	sumprint(Sum_t*, Sfio_t*, int, size_t);
62extern int	sumusage(Sfio_t*);
63extern int	sumclose(Sum_t*);
64
65#endif
66