So_long/libft/ft_strjoin.c

35 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strjoin.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lfirmin <lfirmin@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/22 01:00:14 by lfirmin #+# #+# */
/* Updated: 2024/05/24 08:49:06 by lfirmin ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strjoin(const char *s1, const char *s2)
{
char *res;
int i;
int j;
i = 0;
j = 0;
if (s1 == NULL && s2 == NULL)
return (NULL);
res = (char *) malloc((ft_strlen(s1) + ft_strlen(s2) + 1) * sizeof(char));
if (!res)
return (NULL);
while (s1[i])
res[j++] = s1[i++];
i = 0;
while (s2[i])
res[j++] = s2[i++];
res[j] = 0;
return (res);
}