Adding upstream version 2.9.5.upstream/2.9.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/ebmbtree.c b/src/ebmbtree.c
new file mode 100644
index 0000000..a3de9a1
--- /dev/null
+++ b/src/ebmbtree.c
@@ -0,0 +1,77 @@
+/*
+ * Elastic Binary Trees - exported functions for Multi-Byte data nodes.
+ * Version 6.0.6
+ * (C) 2002-2011 - Willy Tarreau <w@1wt.eu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/* Consult ebmbtree.h for more details about those functions */
+
+#include <import/ebmbtree.h>
+
+/* Find the first occurrence of a key of <len> bytes in the tree <root>.
+ * If none can be found, return NULL.
+ */
+struct ebmb_node *
+ebmb_lookup(struct eb_root *root, const void *x, unsigned int len)
+{
+	return __ebmb_lookup(root, x, len);
+}
+
+/* Insert ebmb_node <new> into subtree starting at node root <root>.
+ * Only new->key needs be set with the key. The ebmb_node is returned.
+ * If root->b[EB_RGHT]==1, the tree may only contain unique keys. The
+ * len is specified in bytes.
+ */
+struct ebmb_node *
+ebmb_insert(struct eb_root *root, struct ebmb_node *new, unsigned int len)
+{
+	return __ebmb_insert(root, new, len);
+}
+
+/* Find the first occurrence of the longest prefix matching a key <x> in the
+ * tree <root>. It's the caller's responsibility to ensure that key <x> is at
+ * least as long as the keys in the tree. If none can be found, return NULL.
+ */
+struct ebmb_node *
+ebmb_lookup_longest(struct eb_root *root, const void *x)
+{
+	return __ebmb_lookup_longest(root, x);
+}
+
+/* Find the first occurrence of a prefix matching a key <x> of <pfx> BITS in the
+ * tree <root>. If none can be found, return NULL.
+ */
+struct ebmb_node *
+ebmb_lookup_prefix(struct eb_root *root, const void *x, unsigned int pfx)
+{
+	return __ebmb_lookup_prefix(root, x, pfx);
+}
+
+/* Insert ebmb_node <new> into a prefix subtree starting at node root <root>.
+ * Only new->key and new->pfx need be set with the key and its prefix length.
+ * Note that bits between <pfx> and <len> are theoretically ignored and should be
+ * zero, as it is not certain yet that they will always be ignored everywhere
+ * (eg in bit compare functions).
+ * The ebmb_node is returned.
+ * If root->b[EB_RGHT]==1, the tree may only contain unique keys. The
+ * len is specified in bytes.
+ */
+struct ebmb_node *
+ebmb_insert_prefix(struct eb_root *root, struct ebmb_node *new, unsigned int len)
+{
+	return __ebmb_insert_prefix(root, new, len);
+}