/*
 * A rather useless tool specifically designed to work with foursquare.c
 *
 * Copyright (C) 2014  Tomasz Kramkowski <tk@the-tk.com>
 *
 * This program is free software. It is licensed under version 3 of the
 * GNU General Public License.
 *
 * 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 <string.h>
#include <ctype.h>

#define MAXLIST 1000
#define MAXKEY 100

int getword(char *output, int maxlength)
{
	int c, p=0;
	while((c = getchar())!=EOF && isalpha(c) && p<maxlength)
		output[p++] = (char)c;
	output[p] = '\0';
	return p;
}

int main(int argc, char **argv)
{
	int i, ii, listsize;
	char *list[MAXLIST], word[MAXKEY+1], *command, *ciphertext;

	if (argc != 3) {
		fprintf(stderr, "Usage: %s <command> <ciphertext>", argv[0]);
		exit(EXIT_FAILURE);
	}

	command = argv[1];
	ciphertext = argv[2];

	for(i=0; i<MAXLIST; i++)
		if(!getword(word, MAXKEY))
			break;
		else
			memcpy(list[i] = malloc(strlen(word)+1), word, strlen(word)+1);

	listsize = ++i;
	for(i=0; i<listsize; i++)
		for(ii=i+1; ii<listsize-1; ii++)
			printf("%s %s %s %s\n", command, list[i], list[ii], ciphertext);
}