Zend Library

1 files changed, 53 insertions, 0 deletions

diff --git a/Zend/zend_llist.h b/Zend/zend_llist.h
new file mode 100644
index 0000000000..0c591f55d9
--- /dev/null
+++ b/Zend/zend_llist.h
@@ -0,0 +1,53 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski                  |
+   +----------------------------------------------------------------------+
+   | This source file is subject to the Zend license, that is bundled     |
+   | with this package in the file LICENSE.  If you did not receive a     |
+   | copy of the Zend license, please mail us at zend@zend.com so we can  |
+   | send you a copy immediately.                                         |
+   +----------------------------------------------------------------------+
+   | Authors: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   +----------------------------------------------------------------------+
+*/
+
+#ifndef _ZEND_LLIST_H
+#define _ZEND_LLIST_H
+
+#include <stdlib.h>
+
+typedef struct _zend_llist_element {
+	struct _zend_llist_element *next;
+	struct _zend_llist_element *prev;
+	char data[1]; /* Needs to always be last in the struct */
+} zend_llist_element;
+
+typedef struct {
+	zend_llist_element *head;
+	zend_llist_element *tail;
+	size_t size;
+	void (*dtor)(void *data);
+	unsigned char persistent;
+	zend_llist_element *traverse_ptr;
+} zend_llist;
+
+ZEND_API void zend_llist_init(zend_llist *l, size_t size, void (*dtor)(void *data), unsigned char persistent);
+ZEND_API void zend_llist_add_element(zend_llist *l, void *element);
+ZEND_API void zend_llist_del_element(zend_llist *l, void *element);
+ZEND_API void zend_llist_destroy(zend_llist *l);
+ZEND_API void zend_llist_remove_tail(zend_llist *l);
+ZEND_API void zend_llist_copy(zend_llist *dst, zend_llist *src);
+ZEND_API void zend_llist_apply(zend_llist *l, void (*func)(void *data));
+ZEND_API void zend_llist_apply_with_argument(zend_llist *l, void (*func)(void *data, void *arg), void *arg);
+ZEND_API int zend_llist_count(zend_llist *l);
+
+/* traversal */
+ZEND_API void *zend_llist_get_first(zend_llist *l);
+ZEND_API void *zend_llist_get_last(zend_llist *l);
+ZEND_API void *zend_llist_get_next(zend_llist *l);
+ZEND_API void *zend_llist_get_prev(zend_llist *l);
+
+#endif /* _ZEND_LLIST_H */