pcompress/main.c

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/*
* This file is a part of Pcompress, a chunked parallel multi-
* algorithm lossless compression and decompression program.
*
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* Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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* Use is subject to license terms.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* You should have received a copy of the GNU Lesser General Public
* License along with this program.
* If not, see <http://www.gnu.org/licenses/>.
*
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* moinakg@belenix.org, http://moinakg.wordpress.com/
*
*/
/*
* pcompress - Do a chunked parallel compression/decompression of a file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <strings.h>
#include <limits.h>
#include <unistd.h>
#include <libgen.h>
#include <pcompress.h>
#include <ctype.h>
#include <utils.h>
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int
main(int argc, char *argv[])
{
int err;
pc_ctx_t *pctx;
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err = 0;
pctx = create_pc_context();
err = init_pc_context(pctx, argc, argv);
if (err != 0 && err != 2) {
log_msg(LOG_ERR, 0, "Invalid arguments to pcompress.\n");
log_msg(LOG_ERR, 0, "Please see usage.\n");
destroy_pc_context(pctx);
return (err);
} else if (err == 2) {
usage(pctx);
destroy_pc_context(pctx);
return (0);
}
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/*
* Start the main routines.
*/
err = start_pcompress(pctx);
destroy_pc_context(pctx);
return (err);
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}