util/list: Add a list validation function
Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
diff --git a/src/util/list.h b/src/util/list.h
index 73b6272..9460347 100644
--- a/src/util/list.h
+++ b/src/util/list.h
@@ -40,6 +40,7 @@
#include <stdbool.h>
#include <stddef.h>
+#include <assert.h>
struct list_head
@@ -107,6 +108,14 @@
return length;
}
+static inline void list_validate(struct list_head *list)
+{
+ struct list_head *node;
+ assert(list->next->prev == list && list->prev->next == list);
+ for (node = list->next; node != list; node = node->next)
+ assert(node->next->prev == node && node->prev->next == node);
+}
+
#define LIST_INITHEAD(__item) list_inithead(__item)
#define LIST_ADD(__item, __list) list_add(__item, __list)
#define LIST_ADDTAIL(__item, __list) list_addtail(__item, __list)