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ft_multijoin_array.c
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ft_multijoin_array.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_multijoin_array.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbetz <rbetz@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/11/02 16:08:04 by rbetz #+# #+# */
/* Updated: 2023/02/22 10:58:28 by rbetz ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static char *copy_input(char **array, size_t len)
{
char *str;
size_t i;
size_t pos;
str = ft_calloc(len + 1, sizeof(char));
i = 0;
pos = 0;
while (str != NULL && array[i] != NULL)
{
len = ft_strlen(array[i]);
ft_memcpy(&str[pos], array[i], len);
pos += len;
i++;
}
return (str);
}
static size_t get_length(char **array)
{
size_t len;
size_t i;
len = 0;
i = 0;
while (array[i] != NULL)
len += ft_strlen(array[i++]);
return (len);
}
/*Combines every string inside array into a single string. Array needs to be
terminated with NULL pointer.
Will not free any string inside the array, but frees the array.*/
char *ft_multijoin_array(char **array)
{
size_t len;
char *str;
if (array == NULL)
return (NULL);
len = get_length(array);
str = copy_input(array, len);
free(array);
return (str);
}