ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fulloa-s <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/01/14 16:20:15 by fulloa-s          #+#    #+#             */
/*   Updated: 2021/01/14 17:00:56 by fulloa-s         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	unsigned int	len;
	char			*str;
	unsigned int	i;
	unsigned int	j;

	i = 0;
	j = 0;
	if (!s1 || !s2)
		return (NULL);
	len = ft_strlen(s1) + ft_strlen(s2);
	if (!(str = (char *)malloc(sizeof(char) * (len + 1))))
		return (NULL);
	while (s1[i])
	{
		str[i] = s1[i];
		i++;
	}
	while (s2[j])
	{
		str[i] = s2[j];
		i++;
		j++;
	}
	str[i] = '\0';
	return (str);
}