ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mmita <mmita@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/19 14:45:16 by mmita             #+#    #+#             */
/*   Updated: 2022/11/19 16:12:01 by mmita            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*str;
	size_t	i;
	size_t	j;

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