2 files changed, 79 insertions(+), 0 deletions(-)

A include/cobble/data/list.h
A src/data/list.c

@@ 0,0 1,30 @@
+/* see LICENSE for copyright and license details */
+#ifndef _COBBLE_LIST_H_
+#define _COBBLE_LIST_H_
+
+#include <stddef.h>
+
+#include <cobble/error.h>
+
+/* a doubly linked list */
+struct list_node {
+    void *data;
+
+    struct list_node *next;
+    struct list_node *prev;
+};
+
+struct list {
+    size_t len;
+    size_t e_size;
+
+    struct list_node *head;
+    struct list_node *tail;
+};
+
+CBL_ERROR list_new(struct list**, size_t);
+CBL_ERROR list_init(struct list*, size_t);
+void list_free(struct list**);
+void list_destroy(struct list*);
+
+#endif<
\ No newline at end of file

@@ 0,0 1,49 @@
+/* see LICENSE file for copyright and license details. */
+
+#include <stdlib.h>
+
+#include <cobble/data/list.h>
+
+CBL_ERROR
+list_new(struct list **l, size_t e_size)
+{
+    *l = malloc(sizeof(struct list));
+    if (!*l) return E_MALLOC;
+
+    return list_init(*l, e_size);
+}
+
+CBL_ERROR
+list_init(struct list *l, size_t e_size)
+{
+    l->e_size = e_size;
+    l->head = NULL;
+    l->tail = NULL;
+    l->len = 0;
+
+    return E_SUCCESS;
+}
+
+void
+list_free(struct list **l)
+{
+    if (!*l) return; 
+
+    list_destroy(*l);
+    free(*l);
+}
+
+void
+list_destroy(struct list *l)
+{
+    struct list_node *node = l->head;
+
+    while (node) {
+        if (node->data) free(node->data);
+
+        struct list_node *tmp = node;
+        node = node->next;
+
+        free(tmp);
+    }
+}<
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