ft_strlcat.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strlcat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: adiaz-be <adiaz-be@student.42malaga.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/08/21 16:37:12 by adiaz-be          #+#    #+#             */
/*   Updated: 2022/08/21 16:37:16 by adiaz-be         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

size_t	ft_strlcat(char *dst, const char *src, size_t dstsize)
{
	size_t	i;
	size_t	j;
	size_t	dst_length;
	size_t	src_length;

	src_length = ft_strlen(src);
	dst_length = ft_strlen(dst);
	j = dst_length;
	i = 0;
	if (dst_length < dstsize - 1 && dstsize > 0)
	{
		while (src[i] && dst_length + i < dstsize - 1)
		{
			dst[j] = src[i];
			j++;
			i++;
		}
		dst[j] = '\0';
	}
	if (dst_length >= dstsize)
		dst_length = dstsize;
	return (dst_length + src_length);
}