/*
  This code tests for legal number bases, used in the ft_putnbr_base program.  
*/
int legal_base_check(char *base)
{
    int i;
    int j;

    i = 0;
    // base zero rejection
    if (base[0] == '\0' || base[1] == '\0')
        return (0);
    while (base[i]) // loops over the base string
    {
        j = 0;
        while (base[j])
        {
            if (i!= j && base[i] == base[j])
                return (0);
            j++;
        }
        if (base[i] == '+' || base[i] == '-')
            return (0);
        if (base[i] < 32 || base[i] > 126)
            return (0);
        i++;
    }
    return (1);
}


#include <stdio.h>

int main() {
    char base[] = "qwertyuiop";
    printf("base %s : %d\n", base, legal_base_check(base));
    return 0;
}