1  /* Tests for opening a file without destroying an old file with the same name.
       2  
       3     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation, either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  /* Written by Bruno Haible, 2020.  */
      19  
      20  #include <config.h>
      21  
      22  /* Specification.  */
      23  #include "supersede.h"
      24  
      25  #include <errno.h>
      26  #include <fcntl.h>
      27  #include <stdlib.h>
      28  #include <string.h>
      29  #include <sys/stat.h>
      30  #include <unistd.h>
      31  
      32  #include "filenamecat.h"
      33  #include "read-file.h"
      34  #include "macros.h"
      35  
      36  /* The name of the "always silent" device.  */
      37  #if defined _WIN32 && ! defined __CYGWIN__
      38  /* Native Windows API.  */
      39  # define DEV_NULL "NUL"
      40  #else
      41  /* Unix API.  */
      42  # define DEV_NULL "/dev/null"
      43  #endif
      44  
      45  #include "test-supersede-open.h"
      46  #include "test-supersede-fopen.h"
      47  
      48  int
      49  main (void)
      50  {
      51    test_open_supersede (false, false);
      52    test_open_supersede (false, true);
      53    test_open_supersede (true, false);
      54    test_open_supersede (true, true);
      55  
      56    test_fopen_supersede (false, false);
      57    test_fopen_supersede (false, true);
      58    test_fopen_supersede (true, false);
      59    test_fopen_supersede (true, true);
      60  
      61    return 0;
      62  }