crc32.c

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//
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
 
#include "sysdefs.h"
#include "lzma.h"
#include <stdio.h>
 
 
int
main(void)
{
    uint32_t crc = 0;
 
    do {
        uint8_t buf[BUFSIZ];
        const size_t size = fread(buf, 1, sizeof(buf), stdin);
        crc = lzma_crc32(buf, size, crc);
    } while (!ferror(stdin) && !feof(stdin));
 
    //printf("%08" PRIX32 "\n", crc);
 
    // I want it little endian so it's easy to work with hex editor.
    printf("%02" PRIX32 " ", crc & 0xFF);
    printf("%02" PRIX32 " ", (crc >> 8) & 0xFF);
    printf("%02" PRIX32 " ", (crc >> 16) & 0xFF);
    printf("%02" PRIX32 " ", crc >> 24);
    printf("\n");
 
    return 0;
}