Seluj78/Minishell

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strstr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jlasne <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2016/11/03 14:04:35 by jlasne            #+#    #+#             */
/*   Updated: 2016/11/03 14:12:07 by jlasne           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char    *ft_strstr(const char *s1, char *s2)
{
    int        cpt;
    int        cpt2;
    int        size;

    cpt = -1;
    cpt2 = 0;
    size = ft_strlen(s2);
    if (!size || !s1)
        return ((char *)s1);
    size--;
    while (s1[++cpt])
    {
        while (s2[cpt2] == s1[cpt + cpt2])
        {
            if (cpt2 == size)
                return ((char *)&s1[cpt]);
            cpt2++;
        }
        cpt2 = 0;
    }
    return (NULL);
}