| /****************************************************************************** |
| * |
| * Copyright 2016 Google, Inc. |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #pragma once |
| |
| #include <cstdint> |
| |
| #define PROPERTY_VALUE_MAX 92 |
| #define BUILD_SANITY_PROPERTY_VALUE_MAX 92 |
| |
| // Get value associated with key |key| into |value|. |
| // Returns the length of the value which will never be greater than |
| // PROPERTY_VALUE_MAX - 1 and will always be zero terminated. |
| // (the length does not include the terminating zero). |
| // If the property read fails or returns an empty value, the |default_value| |
| // is used (if nonnull). If the |default_value| is null, zero is returned. |
| int osi_property_get(const char* key, char* value, const char* default_value); |
| |
| // Write value of property associated with key |key| to |value|. |
| // Returns 0 on success, < 0 on failure |
| int osi_property_set(const char* key, const char* value); |
| |
| // Adapter function for property_get_int32 in |
| // libcutils/include/cutils/properties.h |
| // |
| // returns the value of |key| truncated and coerced into an |
| // int32_t. If the property is not set, then the |default_value| is used. |
| int32_t osi_property_get_int32(const char* key, int32_t default_value); |