Merge sapi/phpdbg into PHP-5.6

1 files changed, 65 insertions, 0 deletions

diff --git a/sapi/phpdbg/phpdbg_btree.h b/sapi/phpdbg/phpdbg_btree.h
new file mode 100644
index 0000000000..5fb217db35
--- /dev/null
+++ b/sapi/phpdbg/phpdbg_btree.h
@@ -0,0 +1,65 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 3.01 of the PHP license,	  |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.php.net/license/3_01.txt                                  |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Authors: Felipe Pena <felipe@php.net>                                |
+   | Authors: Joe Watkins <joe.watkins@live.co.uk>                        |
+   | Authors: Bob Weinand <bwoebi@php.net>                                |
+   +----------------------------------------------------------------------+
+*/
+
+#ifndef PHPDBG_BTREE_H
+#define PHPDBG_BTREE_H
+
+#include "zend.h"
+
+typedef struct {
+	zend_ulong idx;
+	void *ptr;
+} phpdbg_btree_result;
+
+typedef union _phpdbg_btree_branch phpdbg_btree_branch;
+union _phpdbg_btree_branch {
+	phpdbg_btree_branch *branches[2];
+	phpdbg_btree_result result;
+};
+
+typedef struct {
+	zend_ulong count;
+	zend_ulong depth;
+	phpdbg_btree_branch *branch;
+} phpdbg_btree;
+
+typedef struct {
+	phpdbg_btree *tree;
+	zend_ulong cur;
+	zend_ulong end;
+} phpdbg_btree_position;
+
+void phpdbg_btree_init(phpdbg_btree *tree, zend_ulong depth);
+phpdbg_btree_result *phpdbg_btree_find(phpdbg_btree *tree, zend_ulong idx);
+phpdbg_btree_result *phpdbg_btree_find_closest(phpdbg_btree *tree, zend_ulong idx);
+phpdbg_btree_position phpdbg_btree_find_between(phpdbg_btree *tree, zend_ulong lower_idx, zend_ulong higher_idx);
+phpdbg_btree_result *phpdbg_btree_next(phpdbg_btree_position *pos);
+int phpdbg_btree_delete(phpdbg_btree *tree, zend_ulong idx);
+
+#define PHPDBG_BTREE_INSERT 1
+#define PHPDBG_BTREE_UPDATE 2
+#define PHPDBG_BTREE_OVERWRITE (PHPDBG_BTREE_INSERT | PHPDBG_BTREE_UPDATE)
+
+int phpdbg_btree_insert_or_update(phpdbg_btree *tree, zend_ulong idx, void *ptr, int flags);
+#define phpdbg_btree_insert(tree, idx, ptr) phpdbg_btree_insert_or_update(tree, idx, ptr, PHPDBG_BTREE_INSERT)
+#define phpdbg_btree_update(tree, idx, ptr) phpdbg_btree_insert_or_update(tree, idx, ptr, PHPDBG_BTREE_UPDATE)
+#define phpdbg_btree_overwrite(tree, idx, ptr) phpdbg_btree_insert_or_update(tree, idx, ptr, PHPDBG_BTREE_OWERWRITE)
+
+#endif