ft_strncat.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aviholai <aviholai@student.hive.fi>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/12/13 12:36:56 by aviholai          #+#    #+#             */
/*   Updated: 2022/02/18 13:22:59 by aviholai         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

/*
**	'Strncat()' (String number concatenate) appends a copy of the null-
**	terminated string 's2', the length of parameter 'n', to the end of the
**	string 's1' and adds an terminating '\0'. String 's1' needs to have enough
**	space to store the result. Returns result.
*/

char	*ft_strncat(char *s1, const char *s2, size_t n)
{
	size_t	i;
	size_t	len;

	i = 0;
	len = ft_strlen(s1);
	while (s2[i] != '\0' && i < n)
	{
		s1[len + i] = s2[i];
		i++;
	}
	s1[len + i] = '\0';
	return (s1);
}