1 files changed, 37 insertions, 0 deletions

diff --git a/src/sp_list.c b/src/sp_list.c
new file mode 100644
index 0000000..04154b7
--- /dev/null
+++ b/src/sp_list.c
@@ -0,0 +1,37 @@
+#include "sp_list.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "php_snuffleupagus.h"
+
+void sp_list_free(sp_node_t *node) {
+  while(node) {
+    sp_node_t *tmp = node->next;
+    pefree(node, 1);
+    node = tmp;
+  }
+}
+
+sp_node_t *sp_new_list() {
+  sp_node_t *new = pecalloc(sizeof(*new), 1, 1);
+  new->next = new->data = new->head = NULL;
+  return new;
+}
+
+void sp_list_insert(sp_node_t *list, void *data) {
+  if (list->head == NULL) {
+    list->data = data;
+    list->next = NULL;
+    list->head = list;
+  } else {
+    sp_node_t *new = pecalloc(sizeof(*new), 1, 1);
+
+    new->data = data;
+    new->next = NULL;
+    new->head = list;
+
+    while (list->next) {
+      list = list->next;
+    }
+    list->next = new;
+  }
+}