libft/ft_strsplit.c

86 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strsplit.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/11/29 09:55:10 by gbrochar #+# #+# */
/* Updated: 2015/12/07 11:00:21 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_wordcount(char const *s, char c)
{
int word_count;
int i;
i = 0;
word_count = 0;
while (s[i] != '\0')
{
while (s[i] == c)
i++;
if (s[i] != '\0')
word_count++;
while (s[i] != c && s[i] != '\0')
i++;
}
return (word_count);
}
static void *ft_taballoc(char const *s, char **str_tab, char c)
{
int i;
int wl;
i = 0;
while (s[i])
{
wl = 0;
while (s[i] == c && s[i] != '\0')
i++;
while (s[i] != c && s[i] != '\0')
{
wl++;
i++;
}
if (wl != 0)
*str_tab++ = (char *)malloc((wl + 1) * sizeof(char));
if (!(str_tab - 1))
return (NULL);
}
return (*str_tab);
}
char **ft_strsplit(char const *s, char c)
{
char **str_tab;
int i;
int i2;
int i3;
int wc;
i = 0;
i3 = 0;
wc = ft_wordcount(s, c);
str_tab = (char **)malloc((wc + 1) * sizeof(char *));
if (!str_tab)
return (NULL);
ft_taballoc(s, str_tab, c);
while (i != wc)
{
i2 = 0;
while (s[i3] == c && s[i3] != '\0')
i3++;
while (s[i3] != c && s[i3] != '\0')
str_tab[i][i2++] = s[i3++];
str_tab[i][i2] = '\0';
i++;
}
str_tab[i] = NULL;
return (str_tab);
}