Seluj78/Minishell

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strisdigit.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jlasne <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2016/11/28 11:09:21 by jlasne            #+#    #+#             */
/*   Updated: 2016/11/28 11:09:24 by jlasne           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int        ft_strisdigit(char *str)
{
    int        i;
    int        end;

    i = -1;
    end = 0;
    while (str[++i] == ' ')
        ;
    if (str[i] == '-' || str[i] == '+')
        i++;
    while (str[i])
    {
        if ((str[i] >= 48 && str[i] <= 57) && end == 0)
            i++;
        else if (str[i] == ' ' && end == 0)
            end = 1;
        else
            return (0);
    }
    return (1);
}