1 files changed, 56 insertions, 0 deletions
diff --git a/sorted_list.c b/sorted_list.c
new file mode 100644
index 0000000..478b019
--- /dev/null
+++ b/sorted_list.c
@@ -0,0 +1,56 @@
+/*
+ * sorted_list.c:
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "sorted_list.h"
+#include "iftop.h"
+
+
+void sorted_list_insert(sorted_list_type* list, void* item) {
+    sorted_list_node *node, *p;
+
+    p = &(list->root);
+
+    while(p->next != NULL && list->compare(item, p->next->data) > 0) {
+        p = p->next;
+    } 
+
+    node = xmalloc(sizeof *node);
+
+    node->next = p->next;
+    node->data = item;
+    p->next = node;
+}
+
+
+sorted_list_node* sorted_list_next_item(sorted_list_type* list, sorted_list_node* prev) {
+    if(prev == NULL) {
+        return list->root.next;
+    }
+    else {
+        return prev->next;
+    }
+}
+
+void sorted_list_destroy(sorted_list_type* list) {
+    sorted_list_node *p, *n;
+    p = list->root.next;
+
+    while(p != NULL) {
+        n = p->next;
+        free(p);
+        p = n;
+    }
+
+    list->root.next = NULL;
+}
+
+void sorted_list_initialise(sorted_list_type* list) {
+    list->root.next = NULL;
+}
+
+
+