woody-woodpacker/ft_printf/libft/ft_strjoin.c

40 lines
1.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strjoin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pbonilla <eirodeis.lepnj@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/11/24 15:20:38 by pbonilla #+# #+# */
/* Updated: 2020/11/24 15:52:53 by pbonilla ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strjoin(char const *s1, char const *s2)
{
char *new;
size_t len_s1;
size_t len_s2;
size_t i;
if (!(s1 && s2))
return (NULL);
len_s1 = ft_strlen(s1);
len_s2 = ft_strlen(s2);
if (!(new = malloc(sizeof(char *) * (len_s1 + len_s2 + 1))))
return (NULL);
i = -1;
while (s1[++i])
new[i] = s1[i];
i = -1;
while (s2[++i])
{
new[len_s1] = s2[i];
len_s1++;
}
new[len_s1] = 0;
return (new);
}