ft_strlcat.c

/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_strlcat.c                                     .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: thperchi <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2018/07/09 05:41:03 by thperchi     #+#   ##    ##    #+#       */
/*   Updated: 2018/10/23 11:40:05 by thperchi    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include "libft.h"

size_t		ft_strlcat(char *dst, const char *src, size_t size)
{
	char		*d;
	const char	*s;
	size_t		x;
	size_t		y;

	d = dst;
	s = src;
	x = size;
	while (*d != '\0' && x-- != 0)
		d++;
	y = d - dst;
	x = size - y;
	if (x == 0)
		return (y + ft_strlen(src));
	while (*s != '\0')
	{
		if (x != 1)
		{
			*d++ = *s;
			x--;
		}
		s++;
	}
	*d = '\0';
	return (y + (s - src));
}