checksum.h

/*
 checksum.h - Checksum computation header file
 
 SPDX-FileCopyrightText: © 2007-2011 Hewlett-Packard Development Company, L.P.
 
 SPDX-License-Identifier: GPL-2.0-only
*/
#ifndef CHECKSUM_H
#define CHECKSUM_H
 
#include <stdint.h> /* for uint8_t */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
 
#ifdef STANDALONE
#include "standalone.h"
#else
#include "libfossology.h"
#endif
 
struct Cksum
{
  uint8_t MD5digest[16];    
  uint8_t SHA1digest[20];   
  uint64_t DataLen;         
};
typedef struct Cksum Cksum;
 
struct CksumFile
{
  int FileHandle;           
  unsigned char *Mmap;      
  uint64_t MmapSize;        
  uint64_t MmapOffset;      
};
typedef struct CksumFile CksumFile;
 
CksumFile * SumOpenFile (char *Fname);
void  SumCloseFile  (CksumFile *CF);
int CountDigits (uint64_t Num);
Cksum * SumComputeFile  (FILE *Fin);
Cksum * SumComputeBuff  (CksumFile *CF);
char *  SumToString (Cksum *Sum);
int calc_sha256sum(char* filename, char* dst);
#endif