diff options
Diffstat (limited to 'include/sys/avl.h')
| -rw-r--r-- | include/sys/avl.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/sys/avl.h b/include/sys/avl.h index 10e0ddaee..ba51e2a79 100644 --- a/include/sys/avl.h +++ b/include/sys/avl.h @@ -105,6 +105,13 @@ extern "C" { * as is needed for any linked list implementation. */ +/* + * AVL comparator helpers + */ +#define AVL_ISIGN(a) (((a) > 0) - ((a) < 0)) +#define AVL_CMP(a, b) (((a) > (b)) - ((a) < (b))) +#define AVL_PCMP(a, b) \ + (((uintptr_t)(a) > (uintptr_t)(b)) - ((uintptr_t)(a) < (uintptr_t)(b))) /* * Type used for the root of the AVL tree. |