Push Swap

string.c

@@ -0,0 +1,92 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   string.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/08/12 05:44:58 by aortigos          #+#    #+#             */
+/*   Updated: 2024/08/14 05:56:04 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+size_t	ft_strlen(const char *str)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] != '\0')
+		i++;
+	return (i);
+}
+
+static unsigned int	countwords(const char *s, char c)
+{
+	unsigned int	count;
+
+	count = 0;
+	while (*s)
+	{
+		while (*s && c == *s)
+			s++;
+		if (*s)
+			count++;
+		while (*s && *s != c)
+			s++;
+	}
+	return (count);
+}
+
+static char	*word_dup(const char *str, int start, int finish)
+{
+	char	*word;
+	int		i;
+
+	i = 0;
+	word = malloc((finish - start + 1) * sizeof(char));
+	if (!word)
+		return (NULL);
+	while (start < finish)
+		word[i++] = str[start++];
+	word[i] = '\0';
+	return (word);
+}
+
+static char	*ft_cpy(size_t i, char const *s, char c, char **split)
+{
+	int		index;
+	size_t	j;
+
+	index = -1;
+	j = 0;
+	while (i <= ft_strlen(s))
+	{
+		if (s[i] != c && index < 0)
+			index = i;
+		else if ((s[i] == c || i == ft_strlen(s)) && index >= 0)
+		{
+			split[j++] = word_dup(s, index, i);
+			index = -1;
+		}
+		i++;
+	}
+	split[j] = 0;
+	return (split[j]);
+}
+
+char	**ft_split(char const *s, char c)
+{
+	size_t	i;
+	char	**split;
+
+	if (!s)
+		return (NULL);
+	split = malloc((countwords(s, c) + 1) * sizeof(char *));
+	if (!split)
+		return (NULL);
+	i = 0;
+	ft_cpy(i, s, c, split);
+	return (split);
+}