ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: gantonio <gantonio@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/05/22 19:18:11 by gantonio          #+#    #+#             */
/*   Updated: 2021/05/31 19:53:43 by gantonio         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strjoin(char const *s1, char const *s2)
{
	char	*ptr;
	size_t	i;
	size_t	c;

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