Add integrity checks.

[bertos.git] / mware / list.h

diff --git a/mware/list.h b/mware/list.h
index 4762c3b2ae81cfd77942ea61de0623151b659da0..e28abb43da95097c2e1bcfe03a3bf0021c6da908 100755 (executable)
--- a/mware/list.h
+++ b/mware/list.h
@@ -15,6 +15,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.12  2005/01/22 04:21:32  bernie
+ *#* Add integrity checks.
+ *#*
  *#* Revision 1.11  2004/12/31 16:44:11  bernie
  *#* list_remHead(), list_remTail(): Name like normal functions.
  *#*
@@ -118,6 +121,26 @@ typedef struct _List
                (l)->tail = (Node *)(&(l)->head); \
        } while (0)
 
+/* Make sure that a list is valid (it was initialized and is not corrupted) */
+#ifdef _DEBUG
+       #define LIST_ASSERT_VALID(l) \
+               do { \
+                       Node *n, *pred; \
+                       ASSERT((l)->head != NULL); \
+                       ASSERT((l)->null == NULL); \
+                       ASSERT((l)->tail != NULL); \
+                       pred = (Node *)(&(l)->head); \
+                       FOREACHNODE(n, l) \
+                       { \
+                               ASSERT(n->pred == pred); \
+                               pred = n; \
+                       } \
+                       ASSERT(n == (Node *)(&(l)->null)); \
+               } while (0)
+#else
+       #define LIST_ASSERT_VALID(l) do {} while (0)
+#endif
+
 /*! Add node to list head. */
 #define ADDHEAD(l,n) \
        do { \