openFPGALoader/src/common.cpp

22 lines
483 B
C++

// SPDX-License-Identifier: Apache-2.0
/*
* Copyright (C) 2023 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
*/
#include "common.hpp"
#include <string>
#include <cstdlib>
/*!
* \brief return shell environment variable value
* \param[in] key: variable name
* \return variable value or ""
*/
const std::string get_shell_env_var(const char* key,
const char *def_val) noexcept {
const char* ret = std::getenv(key);
return std::string(ret ? ret : def_val);
}