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-rw-r--r--app/nginx/src/core/ngx_radix_tree.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/app/nginx/src/core/ngx_radix_tree.h b/app/nginx/src/core/ngx_radix_tree.h
new file mode 100644
index 0000000..4fe06e0
--- /dev/null
+++ b/app/nginx/src/core/ngx_radix_tree.h
@@ -0,0 +1,55 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_RADIX_TREE_H_INCLUDED_
+#define _NGX_RADIX_TREE_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+#define NGX_RADIX_NO_VALUE (uintptr_t) -1
+
+typedef struct ngx_radix_node_s ngx_radix_node_t;
+
+struct ngx_radix_node_s {
+ ngx_radix_node_t *right;
+ ngx_radix_node_t *left;
+ ngx_radix_node_t *parent;
+ uintptr_t value;
+};
+
+
+typedef struct {
+ ngx_radix_node_t *root;
+ ngx_pool_t *pool;
+ ngx_radix_node_t *free;
+ char *start;
+ size_t size;
+} ngx_radix_tree_t;
+
+
+ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool,
+ ngx_int_t preallocate);
+
+ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree,
+ uint32_t key, uint32_t mask, uintptr_t value);
+ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree,
+ uint32_t key, uint32_t mask);
+uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key);
+
+#if (NGX_HAVE_INET6)
+ngx_int_t ngx_radix128tree_insert(ngx_radix_tree_t *tree,
+ u_char *key, u_char *mask, uintptr_t value);
+ngx_int_t ngx_radix128tree_delete(ngx_radix_tree_t *tree,
+ u_char *key, u_char *mask);
+uintptr_t ngx_radix128tree_find(ngx_radix_tree_t *tree, u_char *key);
+#endif
+
+
+#endif /* _NGX_RADIX_TREE_H_INCLUDED_ */