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72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/**********************************************************************
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Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <assert.h>
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#include "crc64.h"
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#define BUF_SIZE 8192
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#define INIT_SEED 0x12345678
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int
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main(int argc, char *argv[])
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{
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uint8_t inbuf[BUF_SIZE];
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uint64_t avail_in, total_in = 0;
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uint64_t crc64_checksum;
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FILE *in;
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if (argc != 2) {
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fprintf(stderr, "Usage: crc64_example infile\n");
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exit(0);
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}
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in = fopen(argv[1], "rb");
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if (!in) {
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fprintf(stderr, "Can't open %s for reading\n", argv[1]);
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exit(0);
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}
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printf("crc64_example -- crc64_ecma_refl:\n");
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fflush(0);
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crc64_checksum = INIT_SEED;
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while ((avail_in = fread(inbuf, 1, BUF_SIZE, in))) {
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// crc update mode
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crc64_checksum = crc64_ecma_refl(crc64_checksum, inbuf, avail_in);
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total_in += avail_in;
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}
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fclose(in);
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printf("total length is %" PRIu64 ", checksum is 0x%" PRIx64 "\n", total_in,
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crc64_checksum);
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return 0;
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}
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