/*
  This file is part of ccbuild.

  ccbuild is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  ccbuild is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with ccbuild.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "system.ih"

std::string System::username() throw (Problem) {
    size_t uid = getuid();
    struct passwd *pwd;
    std::string username;

    while ((pwd = getpwent()))
    {
        if (pwd->pw_uid == uid)
        {
            username = std::string(pwd->pw_name);
            endpwent();
            return username;
        }
    }
    throw Problem(Problem::Unable, "Unable to determine username for current process");
}
