kc3-lang/gnulib/tests/test-chmod.c

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• Hash : 5b92dd0a
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  Date : 2024-01-01T10:31:48
  

  maint: run 'make update-copyright'
  

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• tests/test-chmod.c

• /* Test changing the protections of a file.
     Copyright (C) 2020-2024 Free Software Foundation, Inc.
  
     This program 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.
  
     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 General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <sys/stat.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (chmod, int, (const char *, mode_t));
  
  #include <errno.h>
  #include <fcntl.h>
  #include <sys/stat.h>
  #include <unistd.h>
  
  #include "macros.h"
  
  #define BASE "test-chmod."
  
  int
  main (void)
  {
    /* Test that chmod works on regular files.  */
    {
      struct stat statbuf;
      unlink (BASE "file");
      ASSERT (close (creat (BASE "file", 0600)) == 0);
      ASSERT (chmod (BASE "file", 0400) == 0);
      ASSERT (stat (BASE "file", &statbuf) >= 0);
      ASSERT ((statbuf.st_mode & 0700) == 0400);
  
      errno = 0;
      ASSERT (chmod (BASE "file/", 0600) == -1);
      ASSERT (errno == ENOTDIR);
  
      /* Clean up.  */
      ASSERT (chmod (BASE "file", 0600) == 0);
      ASSERT (unlink (BASE "file") == 0);
    }
  
    /* Test that chmod works on directories.  */
    {
      struct stat statbuf;
  
      rmdir (BASE "dir");
      ASSERT (mkdir (BASE "dir", 0700) == 0);
      ASSERT (chmod (BASE "dir", 0500) == 0);
      ASSERT (stat (BASE "dir", &statbuf) >= 0);
      ASSERT ((statbuf.st_mode & 0700) == 0500);
      ASSERT (chmod (BASE "dir/", 0700) == 0);
  
      /* Clean up.  */
      ASSERT (rmdir (BASE "dir") == 0);
    }
  
    /* Test that chmod on symlinks modifies the symlink target.  */
    {
      unlink (BASE "file");
      unlink (BASE "link");
      if (symlink (BASE "file", BASE "link") == 0)
        {
          struct stat statbuf;
          ASSERT (close (creat (BASE "file", 0600)) == 0);
          chmod (BASE "link", 0400);
          ASSERT (stat (BASE "file", &statbuf) >= 0);
          ASSERT ((statbuf.st_mode & 0700) == 0400);
        }
      /* Clean up.  */
      unlink (BASE "file");
      unlink (BASE "link");
    }
  
    return 0;
  }
  

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