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/*
* libpulp - User-space Livepatching Library
*
* Copyright (C) 2020-2021 SUSE Software Solutions GmbH
*
* This file is part of libpulp.
*
* libpulp 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
* version 2.1 of the License, or (at your option) any later version.
*
* libpulp 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.
*
* You should have received a copy of the GNU General Public License
* along with libpulp. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <librecursion.h>
int
main(void)
{
char buffer[128];
int input;
/* Loop waiting for a numerical input. */
printf("Waiting for input.\n");
while (1) {
if (fgets(buffer, sizeof(buffer), stdin) == NULL) {
if (errno) {
perror("recursive");
return 1;
}
printf("Reached the end of file; quitting.\n");
return 0;
}
input = atoi(buffer);
if (input <= 0) {
printf("Input must be greater than zero.\n");
continue;
}
printf("%lld\n", recursion(input));
}
return 1;
}
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