75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_split.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: tischmid <timo42@proton.me> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2023/06/02 20:37:07 by tischmid #+# #+# */
|
|
/* Updated: 2023/06/02 21:28:59 by tischmid ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "libft.h"
|
|
#include <stdlib.h>
|
|
|
|
static size_t split_arr_len(char const *s, char c)
|
|
{
|
|
size_t len;
|
|
|
|
len = 0;
|
|
while (*s)
|
|
{
|
|
while (*s == c)
|
|
++s;
|
|
if (!*s)
|
|
return (len);
|
|
++len;
|
|
while (*s != c && *s)
|
|
++s;
|
|
}
|
|
return (len);
|
|
}
|
|
|
|
static int save_strlcpy(char **arr, size_t len, char const *src, size_t size)
|
|
{
|
|
if (!arr[len - 1])
|
|
{
|
|
while (len--)
|
|
free(arr[len]);
|
|
free(arr);
|
|
return (0);
|
|
}
|
|
ft_strlcpy(arr[len - 1], src, size);
|
|
return (1);
|
|
}
|
|
|
|
char **ft_split(char const *s, char c)
|
|
{
|
|
size_t arr_len;
|
|
size_t idx;
|
|
char **arr;
|
|
char const *start;
|
|
|
|
arr_len = split_arr_len(s, c);
|
|
arr = malloc(sizeof(*arr) * (arr_len + 1));
|
|
if (!arr)
|
|
return (0);
|
|
idx = 0;
|
|
while (*s)
|
|
{
|
|
while (*s == c)
|
|
++s;
|
|
if (!*s)
|
|
break ;
|
|
start = s;
|
|
while (*s != c && *s)
|
|
++s;
|
|
arr[idx] = malloc(sizeof(**arr) * (s - start + 1));
|
|
if (!save_strlcpy(arr, ++idx, start, s - start + 1))
|
|
return (0);
|
|
}
|
|
arr[idx] = (void *) 0;
|
|
return (arr);
|
|
}
|