65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_CONFIG_FILE_H
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#define SRSLTE_CONFIG_FILE_H
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#include <fstream>
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#include <pwd.h>
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#include "common.h"
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bool config_exists(std::string &filename, std::string default_name)
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{
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std::ifstream conf(filename.c_str(), std::ios::in);
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if (conf.fail()) {
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// try config folder instead
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const char* homedir = NULL;
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char full_path[256];
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ZERO_OBJECT(full_path);
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if ((homedir = getenv("HOME")) == NULL) {
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homedir = getpwuid(getuid())->pw_dir;
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}
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if (!homedir) {
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homedir = ".";
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}
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snprintf(full_path, sizeof(full_path), "%s/.config/srslte/%s", homedir, default_name.c_str());
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filename = std::string(full_path);
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// try to open again
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conf.open(filename.c_str());
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if (conf.fail()) {
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// Last chance, try to find file in /etc/srslte
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ZERO_OBJECT(full_path);
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snprintf(full_path, sizeof(full_path), "/etc/srslte/%s", default_name.c_str());
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filename = std::string(full_path);
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// try to open again
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conf.open(filename.c_str());
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if (conf.fail()) {
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return false;
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}
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}
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}
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return true;
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}
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#endif // SRSLTE_CONFIG_FILE_H
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