my_mastermind.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include "my_mastermind.h"

static void game(char *code, int attempts);

int main(int ac, char **av)
{
    char *ptr = (char *)malloc(5 * sizeof(char));
    ptr = NULL;
    int attempts = 10;

    // parse arguments
    if (ac == 1)
        ptr = create_secret();

    if (ac > 1)
    {
        // if only option -t is chosen
        if (strcmp(av[1], "-t") == 0)
        {
            ptr = create_secret();
            if (av[2])
            {
                if (atoi(av[2]) > 0 && atoi(av[2]) < 10)
                    attempts = atoi(av[2]);
            }
        }
        // if only option -c is chosen
        if (strcmp(av[1], "-c") == 0)
        {
            if (av[2])
                ptr = av[2];
            else
                ptr = create_secret();
        }
        // if both options are chosen
        if (strcmp(av[1], "-ct") == 0)
        {
            if (av[2])
                ptr = av[2];
            else
                ptr = create_secret();

            if (av[3])
            {
                if (atoi(av[3]) > 0 && atoi(av[3]) < 10)
                    attempts = atoi(av[3]);
            }
        }
    }
    game(ptr, attempts);

    // check if create_secret() has been called, thus if malloc'd ptr is used – then free it
    if (ac == 1 || (strcmp(av[1], "-t") == 0 && av[2]) || ((strcmp(av[1], "-ct") == 0) && !av[2]))
        free(ptr);
    return 0;
}

void game(char *code, int attempts)
{
    int round = 0;
    char *input = NULL;

    printf("*****\n");
    printf("Will you find the secret code?\n");

    int i = 0;
    while (i < attempts)
    {
        printf("---\n");
        printf("Round %d\n", round);

        // get code from user; if input has wrong format, let them try again without losing an attempt; enable 'quitting'
        input = read_input();
        if (input == NULL) 
            continue;
        if (my_strcmp(input, "quit") == 0)
            break;

        int well = analyze_input(input, code);
        if (well == 4)
        {
            printf("Congrats! You did it!\n");
            printf("*****\n");
            break;
        }
        input = NULL;
        free(input);

        if (i == attempts - 1)
        {
            printf("---\n");
            printf("This was your last attempt. More luck next time!\n");
            printf("*****\n");
        }
        round++;
        i++;
    }
}