From 34ced1e7e28ebc6ed7188b7e8b09aa9018296dfa Mon Sep 17 00:00:00 2001
From: Tanguy MAZE <tmaze@student.42.fr>
Date: Sat, 7 Apr 2018 18:57:23 +0200
Subject: [PATCH] ft_strsplit

---
 Makefile      |  4 +--
 ft_strsplit.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 2 deletions(-)
 create mode 100644 ft_strsplit.c

diff --git a/Makefile b/Makefile
index bdabf35..a0ac284 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2018/04/07 12:47:06 by tmaze             #+#    #+#              #
-#    Updated: 2018/04/07 17:32:09 by tmaze            ###   ########.fr        #
+#    Updated: 2018/04/07 18:22:28 by tmaze            ###   ########.fr        #
 #                                                                              #
 #******************************************************************************#
 
@@ -18,7 +18,7 @@ NAME = libft.a
 
 SRCS =	ft_memset.c ft_bzero.c ft_memcpy.c ft_memccpy.c ft_memmove.c ft_memchr.c ft_memcmp.c ft_strlen.c ft_strdup.c ft_strcpy.c ft_strncpy.c ft_strcat.c ft_strncat.c ft_strchr.c ft_strrchr.c ft_strstr.c ft_strnstr.c ft_strcmp.c ft_strncmp.c ft_atoi.c	ft_isalpha.c ft_isdigit.c ft_isalnum.c ft_isascii.c ft_isprint.c ft_toupper.c ft_tolower.c \
 		\
-		ft_memalloc.c ft_memdel.c ft_strnew.c ft_strdel.c ft_strclr.c ft_striter.c ft_striteri.c ft_strmap.c ft_strmapi.c ft_strequ.c ft_strnequ.c ft_strsub.c ft_strjoin.c ft_strtrim.c
+		ft_memalloc.c ft_memdel.c ft_strnew.c ft_strdel.c ft_strclr.c ft_striter.c ft_striteri.c ft_strmap.c ft_strmapi.c ft_strequ.c ft_strnequ.c ft_strsub.c ft_strjoin.c ft_strtrim.c ft_strsplit.c
 OBJS = $(SRCS:.c=.o)
 INCLS = -I.
 
diff --git a/ft_strsplit.c b/ft_strsplit.c
new file mode 100644
index 0000000..ef31c03
--- /dev/null
+++ b/ft_strsplit.c
@@ -0,0 +1,73 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strsplit.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2018/04/07 17:54:29 by tmaze             #+#    #+#             */
+/*   Updated: 2018/04/07 18:51:30 by tmaze            ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+static int	count_words(char const *s, char c)
+{
+	int		i;
+	int		nb_words;
+	int		in_word;
+
+	in_word = 0;
+	nb_words = 0;
+	i = -1;
+	while (s[++i])
+		if (!in_word && s[i] != c)
+		{
+			in_word = 1;
+			nb_words++;
+		}
+		else if (in_word && s[i] == c)
+			in_word = 0;
+	return (nb_words);
+}
+
+static char	**get_table(char const *s, char c, char **tab)
+{
+	int		i;
+	int		nb_words;
+	int		in_word;
+	size_t	start;
+
+	nb_words = 0;
+	in_word = 0;
+	i = -1;
+	while (s[++i])
+		if (!in_word && s[i] != c && (in_word = 1))
+			start = i;
+		else if (in_word && s[i] == c)
+		{
+			if ((tab[nb_words] = ft_strsub(s, start, i - start)) == NULL)
+			{
+				while (--nb_words >= 0)
+					ft_strdel(&tab[nb_words]);
+				free(tab);
+				return (NULL);
+			}
+			nb_words++;
+			in_word = 0;
+		}
+	return (tab);
+}
+
+char		**ft_strsplit(char const *s, char c)
+{
+	int		nb_words;
+	char	**tab;
+
+	nb_words = count_words(s, c);
+	if ((tab = (char**)malloc(sizeof(char**) * (nb_words + 1))) == NULL)
+		return (NULL);
+	tab[nb_words] = NULL;
+	return (get_table(s, c, tab));
+}