usr/src/lib/libsum/common/sum.h

   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
  41 typedef struct Sumdata_s
  42 {
  43         uint32_t        size;
  44         uint32_t        num;
  45         void*           buf;
  46 } Sumdata_t;
  47
  48 typedef struct Sum_s
  49 {
  50         _SUM_PUBLIC_
  51 #ifdef  _SUM_PRIVATE_
  52         _SUM_PRIVATE_
  53 #endif
  54 } Sum_t;
  55
  56 extern Sum_t*   sumopen(const char*);
  57 extern int      suminit(Sum_t*);
  58 extern int      sumblock(Sum_t*, const void*, size_t);
  59 extern int      sumdone(Sum_t*);
  60 extern int      sumdata(Sum_t*, Sumdata_t*);
  61 extern int      sumprint(Sum_t*, Sfio_t*, int, size_t);
  62 extern int      sumusage(Sfio_t*);
  63 extern int      sumclose(Sum_t*);
  64
  65 #endif