github to gitea

libft/srcs/ft_split.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_split.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lfirmin <[email protected]>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/05/22 05:56:37 by lfirmin           #+#    #+#             */
+/*   Updated: 2024/06/04 12:08:51 by lfirmin          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "libft.h"
+
+static int	ft_c(char const *s, char c)
+{
+	int	i;
+	int	count;
+
+	count = 0;
+	i = 0;
+	while (s[i])
+	{
+		if (s[i] != c && (i == 0 || s[i - 1] == c))
+			count++;
+		i++;
+	}
+	return (count);
+}
+
+void	init_split_struct(t_split_struct *v, char const *s, char c)
+{
+	if (!s)
+		return ;
+	v->array = (char **)malloc((ft_c(s, c) + 1) * sizeof(char *));
+	if (!s || !v->array)
+		return ;
+	v->i = 0;
+	v->j = 0;
+}
+
+static char	*ft_strncpy(char *dest, const char *src, unsigned int n)
+{
+	unsigned int	i;
+
+	i = 0;
+	while (src[i] != '\0' && i < n)
+	{
+		dest[i] = src[i];
+		++i;
+	}
+	while (i < n)
+	{
+		dest[i] = '\0';
+		i++;
+	}
+	return (dest);
+}
+
+char	**free_split(char **array, size_t j)
+{
+	while (j > 0)
+	{
+		free(array[--j]);
+	}
+	free(array);
+	return (NULL);
+}
+
+char	**ft_split(char const *s, char c)
+{
+	t_split_struct	v;
+
+	init_split_struct(&v, s, c);
+	if (!s || !v.array)
+		return (NULL);
+	while (s[v.i])
+	{
+		while (s[v.i] == c && s[v.i])
+			v.i++;
+		v.start = v.i;
+		while (s[v.i] != c && s[v.i])
+			v.i++;
+		if (v.i > v.start)
+		{
+			v.array[v.j] = (char *)malloc(v.i - v.start + 1);
+			if (!v.array[v.j])
+				return (free_split(v.array, v.j));
+			ft_strncpy(v.array[v.j], &s[v.start], v.i - v.start);
+			v.array[v.j][v.i - v.start] = '\0';
+			v.j++;
+		}
+	}
+	v.array[v.j] = NULL;
+	return (v.array);
+}