105 lines
3 KiB
C
105 lines
3 KiB
C
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/* chksum.c -- compute a checksum
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This file is part of the LZO real-time data compression library.
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Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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All Rights Reserved.
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The LZO library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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The LZO library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the LZO library; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Markus F.X.J. Oberhumer
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<markus@oberhumer.com>
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http://www.oberhumer.com/opensource/lzo/
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*/
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#include "lzo/lzoconf.h"
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/* utility layer */
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#define WANT_LZO_MALLOC 1
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#include "examples/portab.h"
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/*************************************************************************
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//
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**************************************************************************/
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int main(int argc, char *argv[])
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{
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lzo_bytep block;
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lzo_uint block_len;
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lzo_uint32 adler, crc;
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if (argc < 0 && argv == NULL) /* avoid warning about unused args */
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return 0;
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if (lzo_init() != LZO_E_OK)
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{
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printf("lzo_init() failed !!!\n");
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return 4;
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}
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/* prepare the block */
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block_len = 128 * 1024L;
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block = (lzo_bytep) lzo_malloc(block_len);
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if (block == NULL)
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{
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printf("out of memory\n");
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return 3;
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}
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lzo_memset(block, 0, block_len);
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/* adler32 checksum */
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adler = lzo_adler32(0, NULL, 0);
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adler = lzo_adler32(adler, block, block_len);
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if (adler != 0x001e0001UL)
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{
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printf("adler32 checksum error !!! (0x%08lx)\n", (long) adler);
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return 2;
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}
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/* crc32 checksum */
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crc = lzo_crc32(0, NULL, 0);
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crc = lzo_crc32(crc, block, block_len);
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if (crc != 0x7ee8cdcdUL)
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{
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printf("crc32 checksum error !!! (0x%08lx)\n", (long) crc);
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return 1;
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}
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lzo_free(block);
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printf("Checksum test passed.\n");
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return 0;
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}
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/*
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vi:ts=4:et
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*/
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