ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: togauthi <togauthi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/10 12:51:50 by togauthi          #+#    #+#             */
/*   Updated: 2024/10/14 12:01:10 by togauthi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*join;
	int		i;

	if (!s1 || !s2)
		return (NULL);
	join = malloc(ft_strlen(s1) + ft_strlen(s2) + 1);
	i = 0;
	if (!join)
		return (NULL);
	while (s1[i])
	{
		join[i] = s1[i];
		i++;
	}
	i = 0;
	while (s2[i])
	{
		join[ft_strlen(s1) + i] = s2[i];
		i++;
	}
	join[ft_strlen(s1) + i] = '\0';
	return (join);
}