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/*
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* Copyright (C) 2017 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 <cutils/properties.h>
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#include "persist_property.h"
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#include "debug.h"
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PersistProperty::PersistProperty(const char *path)
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{
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memset(mPath, 0, 64);
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strncpy(mPath, path, 64 - 1);
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}
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PersistProperty::~PersistProperty()
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{}
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int PersistProperty::write(const char *value)
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{
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if (property_set(mPath, value) != 0) {
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dd_error("property_set error: %s --> %s", mPath, value);
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return -1;
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}
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return 0;
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}
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int PersistProperty::read(char *buf, size_t size)
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{
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char value[PROPERTY_VALUE_MAX];
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property_get(mPath, value, "");
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strncpy(buf, value, size-1);
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buf[size-1] = '\0';
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return 0;
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}
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