ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fraqioui <fraqioui@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/07 07:51:06 by fraqioui          #+#    #+#             */
/*   Updated: 2022/10/20 11:59:20 by fraqioui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include"libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*new_s;
	size_t	s1_len;
	size_t	s2_len;

	if (!s1 || !s2)
		return (NULL);
	s1_len = ft_strlen(s1);
	s2_len = ft_strlen(s2);
	new_s = malloc(sizeof(char) * (s1_len + s2_len + 1));
	if (!new_s)
		return (NULL);
	ft_memcpy(new_s, s1, s1_len);
	ft_memcpy(new_s + s1_len, s2, s2_len);
	new_s[s2_len + s1_len] = '\0';
	return (new_s);
}