ft_strncat.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rodrodri <rodrodri@student.hive.fi>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/01 23:42:06 by rodrodri          #+#    #+#             */
/*   Updated: 2021/11/11 18:11:18 by rodrodri         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

char	*ft_strncat(char *s1, const char *s2, size_t n)
{
	char	*start;
	size_t	amount;

	start = s1 + ft_strlen(s1);
	amount = n;
	if (n > ft_strlen(s2))
		amount = ft_strlen(s2);
	ft_memcpy(start, s2, amount);
	ft_bzero(start + amount, 1);
	return (s1);
}