PJC-0x02/main.c

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>

void print_menu(){
    printf("\n[*] guess a number from 0 to 10\n");
    printf( "[*] press:\n"
            "\t1 to play\n"
            "\t2 to try again\n"
            "\t...or anything else to exit\n");
}

int lemmego(){
    printf("[*] you wished to go, quitting...\n");
    return EXIT_SUCCESS;
}

int get_rand(){
    int ar [10];

    for (int i = 0; i < 10; i++) {
        int dat_num = 1+ (rand() % 10);
        ar[i] = dat_num;
    }
    int r = ar[rand() % 10];
    return r;
}

int get_userguess(){
    int x = -1;
    int ok = -1;
    while( ok != 1){
        ok = scanf("%d", &x);
        if(ok == EOF){
            printf("[*] please, come on...\n");
        }
        if(ok == 0){
            while (fgetc(stdin) != '\n'){
            }
            printf("[*] give me a correct value\n");
            printf("[*] stop gibbering around\n");
        }
    }

    return x;
}

int compare_guess_with_reality(int userguess, int reality){
    printf("[*] guess was: %d\n", userguess);
    printf("[*] reality is: %d\n", reality);

    if (userguess == reality) return 0;
    else return 1;
}

void guess(){
    srand(time(0));
    int userchoice = -1;
    printf("\nwelcome to the guessing game\n");

    while (userchoice != 3){
        int userguess = -1;
        int nurand = -1;
        int verdict = -1;
        int ok = -1;

        print_menu();

        while(ok != 1){
            printf("[*] you: ");
            ok = scanf("%d", &userchoice);
            if(ok == EOF){
                printf("[*] please, come on...\n");
            }
            if(ok == 0){
                while (fgetc(stdin) != '\n'){
                }
//                printf("[*] give me a correct value next time (an integer)\n");
                lemmego();
                return;
            }
        }

        switch( userchoice ) {
            case 1:
                nurand = get_rand();
                printf( "[?] what is your guess then? pick a number from 0 to 10\n" );
                printf("\tmy guess: ");

                userguess = get_userguess();
                verdict = compare_guess_with_reality(userguess, nurand);

                if (verdict == 0){
                    printf("[*] you won because you've got luck. try me next time!\n");
                }
                else {
                    printf("[*] you lost!\n");
                }
                break;

            case 2:
                printf("[*] guess again\n");
                userchoice = 1;
                break;

            default:
                userchoice = 3;
                lemmego();
        }
    }
}

int main()
{
    guess();
    return 0;
}