Name: Anonymous 2010-07-13 18:06
Make me a C program that reads given two integers (no limits) and outputs the largest.
Do this in a properGNU hello.c way.
Do this in a proper
/*
largest.c -- compares two integers, prints the largest and exit.
Copyright 2010 Kao Moji.
This program 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.
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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>;.
*/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
int main(int argc, char *argv[])
{
if (argc < 3) {
fprintf(stderr, "number of args fail\n");
exit(EXIT_FAILURE);
}
mpz_t a;
if (mpz_init_set_str(a, argv[1], 10) == -1) {
mpz_clear(a);
fprintf(stderr, "1st arg fail\n");
exit(EXIT_FAILURE);
}
mpz_t b;
if (mpz_init_set_str(b, argv[2], 10) == -1) {
mpz_clear(b);
fprintf(stderr, "2nd arg fail\n");
exit(EXIT_FAILURE);
}
if (mpz_out_str(stdout, 10, mpz_cmp(a, b) > 1 ? a : b) == 0) {
mpz_clear(a);
mpz_clear(b);
fprintf(stderr, "comparison fail\n");
exit(EXIT_FAILURE);
}
if (ferror(stdout)) {
mpz_clear(a);
mpz_clear(b);
fprintf(stderr, "printf fail\n");
exit(EXIT_FAILURE);
}
mpz_clear(a);
mpz_clear(b);
exit(EXIT_SUCCESS);
}