118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_split.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2019/12/04 15:51:26 by hulamy #+# #+# */
|
|
/* Updated: 2019/12/04 15:51:28 by hulamy ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
/*
|
|
** return an array of string with each word found in str, with c as separator
|
|
*/
|
|
|
|
/*
|
|
** #include <stdio.h>
|
|
** #include <stdlib.h>
|
|
** #include <unistd.h>
|
|
**
|
|
** size_t ft_strlen(const char *str)
|
|
** {
|
|
** size_t i;
|
|
**
|
|
** i = 0;
|
|
** while (str[i])
|
|
** i++;
|
|
** return (i);
|
|
** }
|
|
**
|
|
** char *ft_substr(char const *s, unsigned int start, size_t len)
|
|
** {
|
|
** char *str;
|
|
** size_t i;
|
|
**
|
|
** if (!s)
|
|
** return (NULL);
|
|
** if (ft_strlen(s) < start)
|
|
** return ("");
|
|
** if (!(str = (char *)malloc(sizeof(char) * (len + 1))))
|
|
** return (NULL);
|
|
** i = 0;
|
|
** while (i < len && s[start])
|
|
** str[i++] = s[start++];
|
|
** str[i] = '\0';
|
|
** return (str);
|
|
** }
|
|
**
|
|
** char **ft_split(char const *s, char c);
|
|
** char **ft_strsplit(char const *s, char c);
|
|
**
|
|
** int main(void)
|
|
** {
|
|
** char **str;
|
|
** int i;
|
|
**
|
|
** char *s;
|
|
** char c;
|
|
**
|
|
** i = -1;
|
|
** s = NULL;
|
|
** c = 'c';
|
|
** str = ft_split(s, c);
|
|
** if (str)
|
|
** {
|
|
** printf("*str : '%p'\n", str[0]);
|
|
** while (str[++i])
|
|
** printf("str[%i] : '%s'\n", i, str[i]);
|
|
** }
|
|
** return (0);
|
|
** }
|
|
*/
|
|
|
|
#include "libft.h"
|
|
|
|
static int count(char const *s, char c)
|
|
{
|
|
int i;
|
|
int words;
|
|
|
|
i = -1;
|
|
words = 0;
|
|
while (s[++i])
|
|
if (s[i] != c && ++words)
|
|
while (s[i + 1] && s[i + 1] != c)
|
|
i++;
|
|
return (words);
|
|
}
|
|
|
|
char **ft_split(char const *s, char c)
|
|
{
|
|
char **array;
|
|
int w;
|
|
int len;
|
|
|
|
w = 0;
|
|
if (!s || !c || !(array = malloc(sizeof(char *) * (count(s, c) + 1))))
|
|
return (NULL);
|
|
while (*s && !(len = 0))
|
|
{
|
|
if (*s != c)
|
|
{
|
|
while (s[len] && s[len] != c)
|
|
len++;
|
|
if (!(array[w++] = ft_substr(s, 0, len)))
|
|
{
|
|
while (array)
|
|
free(array++);
|
|
return (NULL);
|
|
}
|
|
}
|
|
s += len ? len : 1;
|
|
}
|
|
array[w] = NULL;
|
|
return (array);
|
|
}
|