From 4b3ab034720dc4d5afda8db866de96caf2aa1c29 Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Thu, 27 Aug 2020 08:26:59 +0200
Subject: zwei neue Funktionen, um das nächste Element einer Liste hinzuzufügen
 oder zu löschen.
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---
 list.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/list.c b/list.c
index 18465b0..fb21779 100644
--- a/list.c
+++ b/list.c
@@ -32,6 +32,23 @@ list_add(struct list_item *next, T data)
 	return new_item;
 }
 
+void
+list_insert_next(struct list_item *node, T data)
+{
+	struct list_item *new_item;
+
+	// TODO: Debuggen und nochmal richtig drüber nachdenken!
+	new_item = malloc(sizeof *new_item);
+	if ( new_item != NULL ) {
+		new_item->next = node->next;
+		new_item->data = data;
+
+		node->next = new_item;
+	}
+	else
+		ERROR("out of memory");
+}
+
 struct list_item *
 list_delete(struct list_item *list, T data)
 {
@@ -56,6 +73,19 @@ list_delete(struct list_item *list, T data)
 	return list;
 }
 
+void
+list_delete_next(struct list_item *list)
+{
+	// TODO: Debuggen und nochmal richtig drüber nachdenken!
+	if ( list->next != NULL ) {
+		struct list_item *temp = list->next;
+
+		list->next = list->next->next;
+
+		free(temp);
+	}
+}
+
 size_t
 list_length(struct list_item *list)
 {
-- 
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