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sum.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1996-2007 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                                                                      *
***********************************************************************/
#pragma prototyped

/*
 * Glenn Fowler
 * AT&T Research
 *
 * checksum library interface
 */

#ifndef _SUM_H
#define _SUM_H

#include <ast.h>

#define SUM_SIZE  (1<<0)            /* print size too       */
#define SUM_SCALE (1<<1)            /* traditional size scale     */
#define SUM_TOTAL (1<<2)            /* print totals since sumopen */
#define SUM_LEGACY      (1<<3)            /* legacy field widths        */

#define _SUM_PUBLIC_    const char* name;

typedef struct Sumdata_s
{
      uint32_t    size;
      uint32_t    num;
      void*       buf;
} Sumdata_t;

typedef struct Sum_s
{
      _SUM_PUBLIC_
#ifdef      _SUM_PRIVATE_
      _SUM_PRIVATE_
#endif
} Sum_t;

extern Sum_t*     sumopen(const char*);
extern int  suminit(Sum_t*);
extern int  sumblock(Sum_t*, const void*, size_t);
extern int  sumdone(Sum_t*);
extern int  sumdata(Sum_t*, Sumdata_t*);
extern int  sumprint(Sum_t*, Sfio_t*, int, size_t);
extern int  sumusage(Sfio_t*);
extern int  sumclose(Sum_t*);

#endif

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