libft/ft_strjoin.c

37 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strjoin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/11/29 09:48:11 by gbrochar #+# #+# */
/* Updated: 2015/12/05 16:25:38 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strjoin(char const *s1, char const *s2)
{
char *str;
size_t len;
size_t i;
i = 0;
len = ft_strlen(s1) + ft_strlen(s2);
str = (char *)malloc((len + 1) * sizeof(char));
if (!str)
return (NULL);
while (i < len)
{
if (i < ft_strlen(s1))
str[i] = s1[i];
else
str[i] = s2[i - ft_strlen(s1)];
i++;
}
str[i] = '\0';
return (str);
}