ft_strlcat.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strlcat.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: unite <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/04 23:12:17 by unite             #+#    #+#             */
/*   Updated: 2020/07/16 02:50:22 by unite            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
 
size_t  ft_strlcat(char *dst, const char *src, size_t dstsize)
{
    size_t  dstlen;
    size_t  srclen;
    size_t  i;
 
    dstlen = ft_strlen(dst);
    srclen = ft_strlen(src);
    if (dstlen >= dstsize)
        return (srclen + dstsize);
    i = 0;
    while (i < dstsize - dstlen - 1 && src[i])
    {
        dst[dstlen + i] = src[i];
        i++;
    }
    dst[dstlen + i] = '\0';
    return (srclen + dstlen);
}