refs: print error message in debug output

[thirdparty/git.git] / cbtree.c

diff --git a/cbtree.c b/cbtree.c
index b0c65d810f5e5432a8e04270d6c80deefab6d052..336e46dbba5a06e7d9b5fdb5dd6f3c7bdd971186 100644 (file)
--- a/cbtree.c
+++ b/cbtree.c
@@ -95,38 +95,6 @@ struct cb_node *cb_lookup(struct cb_tree *t, const uint8_t *k, size_t klen)
        return p && !memcmp(p->k, k, klen) ? p : NULL;
 }
 
-struct cb_node *cb_unlink(struct cb_tree *t, const uint8_t *k, size_t klen)
-{
-       struct cb_node **wherep = &t->root;
-       struct cb_node **whereq = NULL;
-       struct cb_node *q = NULL;
-       size_t direction = 0;
-       uint8_t c;
-       struct cb_node *p = t->root;
-
-       if (!p) return NULL;    /* empty tree, nothing to delete */
-
-       /* traverse to find best match, keeping link to parent */
-       while (1 & (uintptr_t)p) {
-               whereq = wherep;
-               q = cb_node_of(p);
-               c = q->byte < klen ? k[q->byte] : 0;
-               direction = (1 + (q->otherbits | c)) >> 8;
-               wherep = q->child + direction;
-               p = *wherep;
-       }
-
-       if (memcmp(p->k, k, klen))
-               return NULL;            /* no match, nothing unlinked */
-
-       /* found an exact match */
-       if (whereq)     /* update parent */
-               *whereq = q->child[1 - direction];
-       else
-               t->root = NULL;
-       return p;
-}
-
 static enum cb_next cb_descend(struct cb_node *p, cb_iter fn, void *arg)
 {
        if (1 & (uintptr_t)p) {