ft_strlcat.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strlcat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rel-fila <rel-fila@student.1337.ma>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/16 13:22:36 by rel-fila          #+#    #+#             */
/*   Updated: 2022/10/16 13:23:11 by rel-fila         ###   ########.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_len;
	size_t	src_len;

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