64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
//
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// Copyright (C) 2012 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 "shill/shims/environment.h"
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#include <cstdlib>
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#include <unistd.h>
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using std::map;
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using std::string;
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namespace shill {
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namespace shims {
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static base::LazyInstance<Environment> g_environment =
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LAZY_INSTANCE_INITIALIZER;
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Environment::Environment() {}
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Environment::~Environment() {}
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// static
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Environment* Environment::GetInstance() {
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return g_environment.Pointer();
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}
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bool Environment::GetVariable(const string& name, string* value) {
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char* v = getenv(name.c_str());
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if (v) {
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*value = v;
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return true;
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}
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return false;
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}
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map<string, string> Environment::AsMap() {
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map<string, string> env;
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for (char** var = environ; var && *var; var++) {
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string v = *var;
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size_t assign = v.find('=');
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if (assign != string::npos) {
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env[v.substr(0, assign)] = v.substr(assign + 1);
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}
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}
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return env;
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}
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} // namespace shims
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} // namespace shill
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