ft_strjoin.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strjoin.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: damartin <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/02/08 18:10:15 by damartin          #+#    #+#             */
/*   Updated: 2022/02/10 19:01:16 by damartin         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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