ceesort/src/ceesort.c

#include "bsrch.h"

#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>


bool isint(char* s)
{
    for (int i = 0; s[i]; i++)
    {
        if (s[i] == '-' && isdigit(s[i + 1])) continue;
        if (!isdigit(s[i])) return false;
    }
    return true;
}


int main(int argc, char** argv)
{
    int* arr = malloc((argc - 1) * sizeof(int));
    for (int i = 1; i < argc; i++)
    {
        if (!isint(argv[i]))
        {
            puts("Sorry but arguments must be integers");
            return 1;
        }
        arr[i - 1] = atoi(argv[i]);
    }

    char target_str[16];
    printf("Enter number to search for: ");
    scanf("%s", target_str);
    while (!isint(target_str))
    {
        printf("Sorry but you must enter a whole number, try again: ");
        scanf("%s", target_str);
    }
    int target = atoi(target_str);

    int result = bsrch(target, arr, argc - 1);
    if (result == -1)
        puts("Value not found");
    else
        printf("Value found at index: %d\n", result);
    
    free(arr);
    return 0;
}