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ft_strjoin.c
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ft_strjoin.c
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/* ************************************************************************** */
/* */
/* :::::::: */
/* ft_strjoin.c :+: :+: */
/* +:+ */
/* By: jaberkro <[email protected]> +#+ */
/* +#+ */
/* Created: 2021/10/22 20:59:15 by jaberkro #+# #+# */
/* Updated: 2022/01/05 10:54:26 by Jorien ######## odam.nl */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strjoin(char const *s1, char const *s2)
{
int len;
char *out;
if (!s1 || !s2)
return (NULL);
len = ft_strlen(s1) + ft_strlen(s2);
out = malloc(len + 1);
if (out == NULL)
return (NULL);
while (*s1)
{
*out = *s1;
out++;
s1++;
}
while (*s2)
{
*out = *s2;
out++;
s2++;
}
*out = '\0';
return (out - len);
}
/* Allocates (with malloc(3)) and returns a new
string, which is the result of the concatenation
of ’s1’ and ’s2’.
This function does not free s1, you have to handle that yourself.
*/