ft_range.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_range.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: garm <marvin@42.fr>                        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2013/09/19 19:30:40 by garm              #+#    #+#             */
/*   Updated: 2013/09/19 19:30:42 by garm             ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>
#include <unistd.h>

void    ft_putchar(char c)
{
    write(1, &c, 1);
}

int     ft_putnbr(int nb)
{
    if (nb < 0)
    {
        ft_putchar('-');
        nb = nb * -1;
    }
    if (nb >= 0 && nb <= 9)
        ft_putchar(nb + 48);
    if (nb >= 10)
    {
        ft_putnbr(nb / 10);
        ft_putnbr(nb % 10);
    }
    return(0);
}

int     *ft_range(int min, int max)
{
    int     *range;
    int     diff;
    int     i;

    i = 0;
    diff = max - min;
    range = malloc(sizeof(int) * diff);

    while (min + i < max)
    {
        range[i] = min + i;
        i++;
    }

    return (range);
}

int     ft_ultimate_range(int **range, int min, int max)
{
    int diff;
    int i;
    int *array;

    i = 0;
    diff = max - min;
    array = malloc(sizeof(int) * diff);
    if (array == NULL)
    {
        range = NULL;
        return (0);
    }
    if (min >= max)
    {
        range = NULL;
        return (0);
    }
    while(min + i < max)
    {
        array[i] = min + i;
        i++;
    }


    *range = array;
    return (i);
}

int     main(void)
{
    int     a;
    int     b;
    int     ret;
    int     *result = NULL;

    a = 10;
    b = 15;

    ret = ft_ultimate_range(&result, a, b);

    if (!ret)
            return 0;

    ft_putnbr(result[1]);
    ft_putchar('\n');
    ft_putnbr(result[4]);
    ft_putchar('\n');

    return (0);
}