46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <string.h>
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#include <string>
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#include <unordered_map>
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#include <sys/system_properties.h>
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std::unordered_map<std::string, std::string> g_properties;
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extern "C" int property_set(const char* name, const char* value) {
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if (g_properties.count(name) != 0) {
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g_properties.erase(name);
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}
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g_properties[name] = value;
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return 0;
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}
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extern "C" int property_get(const char* key, char* value, const char* default_value) {
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if (g_properties.count(key) == 0) {
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if (default_value == nullptr) {
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return 0;
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}
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strncpy(value, default_value, PROP_VALUE_MAX-1);
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} else {
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strncpy(value, g_properties[key].c_str(), PROP_VALUE_MAX-1);
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}
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value[PROP_VALUE_MAX-1] = '\0';
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return strlen(value);
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}
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