1  /*
       2   * Copyright (c) 2016-2021 The strace developers.
       3   * All rights reserved.
       4   *
       5   * SPDX-License-Identifier: GPL-2.0-or-later
       6   */
       7  
       8  #include <stdio.h>
       9  #include <sys/stat.h>
      10  
      11  static void
      12  test_umask(const mode_t mode)
      13  {
      14  	mode_t rc = umask(0xffff0000 | mode);
      15  	printf("umask(%#03ho) = %#03o\n", (unsigned short) mode, rc);
      16  }
      17  
      18  int
      19  main(void)
      20  {
      21  	test_umask(0);
      22  	test_umask(06);
      23  	test_umask(026);
      24  	test_umask(0126);
      25  	test_umask(07777);
      26  	test_umask(0107777);
      27  	test_umask(-1);
      28  
      29  	puts("+++ exited with 0 +++");
      30  	return 0;
      31  }