Added ft_lstsort, ft_lstsorted_merge

1 files changed, 36 insertions, 0 deletions

diff --git a/src/lst/ft_lstsorted_merge.c b/src/lst/ft_lstsorted_merge.c
new file mode 100644
index 0000000..c3d0391
--- /dev/null
+++ b/src/lst/ft_lstsorted_merge.c
@@ -0,0 +1,36 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstsorted_merge.c                               :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/10 01:58:52 by cacharle          #+#    #+#             */
+/*   Updated: 2020/02/10 02:13:37 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft_lst.h"
+
+t_ftlst	*ft_lstsorted_merge(t_ftlst *l1, t_ftlst *l2,
+								int (*cmp)(void *, void *))
+{
+	t_ftlst	*merged;
+
+	merged = NULL;
+	if (l1 == NULL)
+		return (l2);
+	if (l2 == NULL)
+		return (l1);
+	if (cmp(l1->content, l2->content) < 0)
+	{
+		merged = l1;
+		merged->next = ft_lstsorted_merge(l1->next, l2, cmp);
+	}
+	else
+	{
+		merged = l2;
+		merged->next = ft_lstsorted_merge(l1, l2->next, cmp);
+	}
+	return (merged);
+}