use 'int' instead of 'char' for balance factor.

(barely) hide more internals.

diff --git a/include/avl.h b/include/avl.h
index aa9f58f66f23e3952791411640a83afb06746b81..fe90302fb31cb30e072234979ca66f6b4401051d 100644 (file)
--- a/include/avl.h
+++ b/include/avl.h
@@ -37,7 +37,7 @@ typedef struct avlnode Avlnode;
 #ifdef AVL_INTERNAL
 struct avlnode {
        void*           avl_data;
-       signed char             avl_bf;
+       signed int              avl_bf;
        struct avlnode  *avl_left;
        struct avlnode  *avl_right;
 };
@@ -48,12 +48,13 @@ struct avlnode {
 #define LH     (-1)
 #define EH     0
 #define RH     1
-#endif
 
 /* avl routines */
 #define avl_getone(x)  ((x) == 0 ? 0 : (x)->avl_data)
 #define avl_onenode(x) ((x) == 0 || ((x)->avl_left == 0 && (x)->avl_right == 0))
 
+#endif /* AVL_INTERNALS */
+
 typedef int            (*AVL_APPLY) LDAP_P((void *, void*));
 typedef int            (*AVL_CMP) LDAP_P((void*, void*));
 typedef int            (*AVL_DUP) LDAP_P((void*, void*));