X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Frbtree.h;h=3ab9a3347a52edc9b8f61fef4923b8059d62cc47;hb=f22f4e562e1b922cff036ef628b77fd2d479d015;hp=73180d1d54cad93745ba1d3cabb80fd7c00a42ae;hpb=f7cda7a9bc399258959084154263c42c5a91e030;p=vpp.git diff --git a/src/vppinfra/rbtree.h b/src/vppinfra/rbtree.h index 73180d1d54c..3ab9a3347a5 100644 --- a/src/vppinfra/rbtree.h +++ b/src/vppinfra/rbtree.h @@ -36,7 +36,7 @@ typedef struct rb_node_ rb_node_index_t left; /**< left child index */ rb_node_index_t right; /**< right child index */ u32 key; /**< node key */ - u32 opaque; /**< value stored by node */ + uword opaque; /**< value stored by node */ } rb_node_t; typedef struct rb_tree_ @@ -45,17 +45,26 @@ typedef struct rb_tree_ rb_node_index_t root; /**< root index */ } rb_tree_t; +typedef int (*rb_tree_lt_fn) (u32 a, u32 b); + void rb_tree_init (rb_tree_t * rt); rb_node_index_t rb_tree_add (rb_tree_t * rt, u32 key); -rb_node_index_t rb_tree_add2 (rb_tree_t * rt, u32 key, u32 opaque); +rb_node_index_t rb_tree_add2 (rb_tree_t * rt, u32 key, uword opaque); +rb_node_index_t rb_tree_add_custom (rb_tree_t * rt, u32 key, uword opaque, + rb_tree_lt_fn ltfn); void rb_tree_del (rb_tree_t * rt, u32 key); +void rb_tree_del_node (rb_tree_t * rt, rb_node_t * z); +void rb_tree_del_custom (rb_tree_t * rt, u32 key, rb_tree_lt_fn ltfn); void rb_tree_free_nodes (rb_tree_t * rt); u32 rb_tree_n_nodes (rb_tree_t * rt); rb_node_t *rb_tree_min_subtree (rb_tree_t * rt, rb_node_t * x); rb_node_t *rb_tree_max_subtree (rb_tree_t * rt, rb_node_t * x); rb_node_t *rb_tree_search_subtree (rb_tree_t * rt, rb_node_t * x, u32 key); +rb_node_t *rb_tree_search_subtree_custom (rb_tree_t * rt, rb_node_t * x, + u32 key, rb_tree_lt_fn ltfn); rb_node_t *rb_tree_successor (rb_tree_t * rt, rb_node_t * x); rb_node_t *rb_tree_predecessor (rb_tree_t * rt, rb_node_t * x); +int rb_tree_is_init (rb_tree_t * rt); static inline rb_node_index_t rb_node_index (rb_tree_t * rt, rb_node_t * n) @@ -75,6 +84,24 @@ rb_node (rb_tree_t * rt, rb_node_index_t ri) return pool_elt_at_index (rt->nodes, ri); } +static inline rb_node_t * +rb_node_right (rb_tree_t * rt, rb_node_t * n) +{ + return pool_elt_at_index (rt->nodes, n->right); +} + +static inline rb_node_t * +rb_node_left (rb_tree_t * rt, rb_node_t * n) +{ + return pool_elt_at_index (rt->nodes, n->left); +} + +static inline rb_node_t * +rb_node_parent (rb_tree_t * rt, rb_node_t * n) +{ + return pool_elt_at_index (rt->nodes, n->parent); +} + #endif /* SRC_VPPINFRA_RBTREE_H_ */ /*