/* Copyright (c) 2026 The Solidite Developers
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This program 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 Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>. */

#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int main() {
  setlocale(LC_ALL, "");

  const char* LOGNAME = getlogin();
  if (LOGNAME == NULL) {
    const char MESSAGE[] = "failed to get login name\n";
    (void)write(STDERR_FILENO, MESSAGE, sizeof(MESSAGE) - 1);
    return 1;
  }

  char *output = (char*)malloc(strlen(LOGNAME) + 1);
  strcpy(output, LOGNAME);
  output[strlen(LOGNAME)] = '\n';

  return write(STDOUT_FILENO, output, strlen(output));
}