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39 lines
921 B
C
39 lines
921 B
C
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file crc32.c
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/// \brief Primitive CRC32 calculation tool
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "sysdefs.h"
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#include <stdio.h>
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int
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main(void)
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{
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uint32_t crc = 0;
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do {
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uint8_t buf[BUFSIZ];
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const size_t size = fread(buf, 1, sizeof(buf), stdin);
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crc = lzma_crc32(buf, size, crc);
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} while (!ferror(stdin) && !feof(stdin));
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//printf("%08" PRIX32 "\n", crc);
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// I want it little endian so it's easy to work with hex editor.
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printf("%02" PRIX32 " ", crc & 0xFF);
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printf("%02" PRIX32 " ", (crc >> 8) & 0xFF);
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printf("%02" PRIX32 " ", (crc >> 16) & 0xFF);
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printf("%02" PRIX32 " ", crc >> 24);
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printf("\n");
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return 0;
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}
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