/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strlcat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rparodi <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/08 22:28:26 by rparodi           #+#    #+#             */
/*   Updated: 2024/10/31 18:10:19 by rparodi          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static size_t	ft_strnlen(char *dest, size_t size)
{
	size_t	i;

	i = 0;
	while (i < size && dest[i] != '\0')
		i++;
	return (i);
}

/**
 * @brief Appends a string with size limit.
 * 
 * @param dst The destination buffer.
 * @param src The source string.
 * @param size The size of the destination buffer.
 * 
 * @return The total length of the string it tried to create.
 */
size_t	ft_strlcat(char *dest, const char *src, size_t size)
{
	size_t	i;
	size_t	j;
	size_t	destlen;

	i = 0;
	j = 0;
	destlen = ft_strnlen(dest, size);
	while (i < size && dest[i])
		i++;
	if (i == size)
		return (i + ft_strlen(src));
	while (src[j])
	{
		if (j < size - destlen - 1)
		{
			dest[i] = src[j];
			i++;
		}
		j++;
	}
	dest[i] = '\0';
	return (destlen + j);
}