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ft_split.c
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ft_split.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: esuguimo <esuguimo@student.42sp.org.br> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/13 18:34:27 by esuguimo #+# #+# */
/* Updated: 2020/02/14 02:53:32 by esuguimo ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static char *ft_nextword(char const *s, char c)
{
while (*s && *s == c)
s++;
return ((char *)s);
}
static void ft_mallocfree(char **words, size_t pos)
{
size_t i;
i = 0;
while (i <= pos)
{
free(words[i]);
i++;
}
free(words);
}
char **ft_split(char const *s, char c)
{
size_t num_words;
char **words;
size_t i;
if (!s)
return (NULL);
num_words = ft_wordcounter(s, c);
if (!(words = malloc((num_words + 1) * sizeof(char *))))
return (NULL);
i = 0;
while (i < num_words)
{
s = ft_nextword(s, c);
words[i] = ft_substr(s, 0, ft_wordlen(s, c));
if (words[i] == NULL)
{
ft_mallocfree(words, i);
return (NULL);
}
i++;
s += ft_wordlen(s, c);
}
words[num_words] = NULL;
return (words);
}