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main.c
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main.c
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/**
* luhn -- Tool to verify and generate Luhn numbers
* Copyright (C) 2016, Stas Kobzar <stas@modulis.ca>
*
* This file is part of luhn.
*
* skinnycat is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* skinnycat 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with luhn. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file main.c
* @brief luhn tool main proc
*
* @author Stas Kobzar <staskobzar@gmail.com>
*/
#include <stdio.h>
#include "util.h"
#include "luhn.h"
/**
* Luhn numbers main proc
*/
int main(int argc, const char *argv[])
{
apr_pool_t *mp;
char *num;
luhn_opts opts;
int retval = 0;
apr_initialize();
apr_pool_create(&mp, NULL);
retval = parse_opts (&mp, &opts, argc, argv);
// Validate number
if (opts.validate == true) {
if ((retval = luhn_valid (opts.number)) == 0) {
verb_print ("OK: valid Luhn number\n");
} else {
verb_print ("FAIL: invalid Luhn number\n");
}
}
// Generate number
if (retval == 0 && opts.generate == true) {
printf ("%s\n", luhn_gen (mp, opts.len));
}
apr_pool_destroy(mp);
apr_terminate();
return retval;
}