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ft_strjoin.c
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ft_strjoin.c
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/* ************************************************************************** */
/* */
/* :::::::: */
/* ft_strjoin.c :+: :+: */
/* +:+ */
/* By: farodrig <farodrig@student.codam.nl> +#+ */
/* +#+ */
/* Created: 2020/12/04 20:45:39 by farodrig #+# #+# */
/* Updated: 2021/01/10 13:24:11 by farodrig ######## odam.nl */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
** Allocates (with malloc(3)) and returns a newstring, which is the result of
** the concatenation of 's1' and 's2'. Returns NULL if the allocation fails.
*/
char *ft_strjoin(char const *str1, char const *str2)
{
char *str;
size_t str1_len;
size_t str_len;
if (!str1 || !str2)
{
return (0);
}
str1_len = ft_strlen(str1);
str_len = str1_len + ft_strlen(str2) + 2;
str = (char *)ft_calloc(str_len, sizeof(char));
if (!str)
{
return (0);
}
ft_strlcpy(str, str1, str_len);
ft_strlcpy(str + str1_len, str2, str_len);
return (str);
}