First commitHEADmain

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/ft_split.c b/lib/ft_split.c
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+++ b/lib/ft_split.c
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+/*
+Libft Copyright (C) 2026 yctct
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "libft.h"
+
+static int	ft_countword(char const *s, char c)
+{
+	int	i;
+	int	wordcounter;
+
+	i = 0;
+	wordcounter = 0;
+	while (s[i])
+	{
+		if (s[i] == c)
+			i++;
+		else
+		{
+			wordcounter++;
+			while (s[i] != c && s[i])
+				i++;
+		}
+	}
+	return (wordcounter);
+}
+
+static char	**ft_addwords(char **a, char const *s, char c, int wordcounter)
+{
+	int	i;
+	int	start;
+	int	word;
+
+	i = 0;
+	word = 0;
+	while (wordcounter--)
+	{
+		while (s[i] == c)
+			i++;
+		start = i;
+		while (s[i] != c && s[i] != 0)
+			i++;
+		a[word] = ft_substr(s, start, i - start);
+		if (!a[word])
+		{
+			while (word-- >= 0)
+				free(a[word]);
+			return (free(a), NULL);
+		}
+		word++;
+		i++;
+	}
+	return (a[word] = 0, a);
+}
+
+char	**ft_split(char const *s, char c)
+{
+	char	**a;
+	int		wordcounter;
+
+	wordcounter = ft_countword(s, c);
+	a = malloc(sizeof(a) * (wordcounter + 1));
+	if (!a)
+		return (NULL);
+	a = ft_addwords(a, s, c, wordcounter);
+	return (a);
+}
+