environment.h

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/*
 * Copyright (C) 2006-2020 Istituto Italiano di Tecnologia (IIT)
 * All rights reserved.
 *
 * This software may be modified and distributed under the terms of the
 * BSD-3-Clause license. See the accompanying LICENSE file for details.
 */
 
 
#ifndef YARP_CONF_ENVIRONMENT_H
#define YARP_CONF_ENVIRONMENT_H
 
#include <yarp/conf/system.h>
 
#include <string>
#include <cstdlib>
 
namespace yarp {
namespace conf {
namespace environment {
 
inline std::string getEnvironment(const char* key, bool* found = nullptr)
{
    const char* result = std::getenv(key);
    if (found != nullptr) {
        *found = (result != nullptr);
    }
    if (result == nullptr) {
        return {};
    }
    return std::string(result);
}
 
inline void setEnvironment(const std::string& key, const std::string& val)
{
#if defined(_MSC_VER)
    _putenv_s(key.c_str(), val.c_str());
#else
    ::setenv(key.c_str(), val.c_str(), 1);
#endif
}
 
inline void unsetEnvironment(const std::string& key)
{
#if defined(_MSC_VER)
    _putenv_s(key.c_str(), "");
#else
    ::unsetenv(key.c_str());
#endif
}
 
 
} // namespace filesystem
} // namespace conf
} // namespace yarp
 
#endif // YARP_CONF_ENVIRONMENT_H