upload android base code part6

android/system/libufdt/ufdt_prop_dict.h

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UFDT_PROP_DICT_H
+#define UFDT_PROP_DICT_H
+
+struct fdt_property;
+
+struct ufdt_prop_dict {
+  int mem_size;
+  int num_used;
+  void *fdtp;
+  const struct fdt_property **props;
+};
+
+/*
+ * Allocates some new spaces and creates a new ufdt_prop_dict.
+ *
+ * @return: a pointer to the newly created ufdt_prop_dict or
+ *          NULL if dto_malloc failed
+ */
+int ufdt_prop_dict_construct(struct ufdt_prop_dict *dict, void *fdtp);
+
+/*
+ * Frees all space dto_malloced, not including ufdt_nodes in the table.
+ */
+void ufdt_prop_dict_destruct(struct ufdt_prop_dict *dict);
+
+/*
+ * Adds a fdt_property (as pointer) to the ufdt_prop_dict.
+ * @return: 0 if success
+ *          < 0 otherwise
+ *
+ * @Time: O(length of node->name)
+ */
+int ufdt_prop_dict_add(struct ufdt_prop_dict *dict,
+                       const struct fdt_property *prop);
+
+/*
+ * Returns the pointer to the fdt_property with name
+ *
+ * @return: a pointer to the node or
+ *          NULL if no such node in ufdt_prop_dict with same name.
+ *
+ * @Time: O(len = |name|)
+ */
+const struct fdt_property *ufdt_prop_dict_find(const struct ufdt_prop_dict *dict,
+                                               const char *name);
+
+#endif