commands/ash/bltin/umask.c

   1 /*
   2  * Copyright (C) 1989 by Kenneth Almquist.  All rights reserved.
   3  * This file is part of ash, which is distributed under the terms specified
   4  * by the Ash General Public License.  See the file named LICENSE.
   5  */
   6
   7 #include <stdio.h>
   8
   9
  10 main(argc, argv)  char **argv; {
  11       int mask;
  12
  13       if (argc > 1) {
  14             fprintf(stderr, "umask: only builtin version of umask can set value\n");
  15             exit(2);
  16       }
  17       printf("%.4o\n", umask(0));
  18       return 0;
  19 }