74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strsplit.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2018/04/07 17:54:29 by tmaze #+# #+# */
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/* Updated: 2018/04/07 18:51:30 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int count_words(char const *s, char c)
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{
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int i;
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int nb_words;
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int in_word;
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in_word = 0;
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nb_words = 0;
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i = -1;
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while (s[++i])
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if (!in_word && s[i] != c)
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{
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in_word = 1;
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nb_words++;
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}
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else if (in_word && s[i] == c)
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in_word = 0;
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return (nb_words);
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}
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static char **get_table(char const *s, char c, char **tab)
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{
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int i;
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int nb_words;
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int in_word;
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size_t start;
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nb_words = 0;
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in_word = 0;
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i = -1;
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while (s[++i])
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if (!in_word && s[i] != c && (in_word = 1))
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start = i;
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else if (in_word && s[i] == c)
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{
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if ((tab[nb_words] = ft_strsub(s, start, i - start)) == NULL)
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{
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while (--nb_words >= 0)
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ft_strdel(&tab[nb_words]);
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free(tab);
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return (NULL);
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}
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nb_words++;
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in_word = 0;
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}
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return (tab);
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}
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char **ft_strsplit(char const *s, char c)
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{
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int nb_words;
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char **tab;
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nb_words = count_words(s, c);
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if ((tab = (char**)malloc(sizeof(char**) * (nb_words + 1))) == NULL)
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return (NULL);
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tab[nb_words] = NULL;
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return (get_table(s, c, tab));
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}
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