1 files changed, 71 insertions, 0 deletions
diff --git a/src/util-list.h b/src/util-list.h
new file mode 100644
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--- /dev/null
+++ b/src/util-list.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright © 2008-2011 Kristian Høgsberg
+ * Copyright © 2011 Intel Corporation
+ * Copyright © 2013-2015 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include "config.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+
+/*
+ * This list data structure is a verbatim copy from wayland-util.h from the
+ * Wayland project; except that wl_ prefix has been removed.
+ */
+
+struct list {
+	struct list *prev;
+	struct list *next;
+};
+
+void list_init(struct list *list);
+void list_insert(struct list *list, struct list *elm);
+void list_append(struct list *list, struct list *elm);
+void list_remove(struct list *elm);
+bool list_empty(const struct list *list);
+bool list_is_last(const struct list *list, const struct list *elm);
+
+#define container_of(ptr, type, member)					\
+	(__typeof__(type) *)((char *)(ptr) -				\
+		 offsetof(__typeof__(type), member))
+
+#define list_first_entry(head, pos, member)				\
+	container_of((head)->next, __typeof__(*pos), member)
+
+#define list_last_entry(head, pos, member)				\
+	container_of((head)->prev, __typeof__(*pos), member)
+
+#define list_for_each(pos, head, member)				\
+	for (pos = 0, pos = list_first_entry(head, pos, member);	\
+	     &pos->member != (head);					\
+	     pos = list_first_entry(&pos->member, pos, member))
+
+#define list_for_each_safe(pos, tmp, head, member)			\
+	for (pos = 0, tmp = 0,						\
+	     pos = list_first_entry(head, pos, member),			\
+	     tmp = list_first_entry(&pos->member, tmp, member);		\
+	     &pos->member != (head);					\
+	     pos = tmp,							\
+	     tmp = list_first_entry(&pos->member, tmp, member))