1: /* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library 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 GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <dirent.h>
   21: #include <errno.h>
   22: #include <fcntl.h>
   23: #include <stdio.h>
   24: #include <stdlib.h>
   25: #include <string.h>
   26: #include <unistd.h>
   27: 
   28: /* Name of the FIFO.  */
   29: char tmpname[] = "fifoXXXXXX";
   30: 
   31: 
   32: /* Do the real work.  */
   33: static int
   34: real_test (void)
   35: {
   36:   DIR *dirp;
   37: 
   38:   /* This should not block for an FIFO.  */
   39:   dirp = opendir (tmpname);
   40: 
   41:   /* Successful.  */
   42:   if (dirp != NULL)
   43:     {
   44:       /* Oh, oh, how can this work?  */
   45:       fputs ("`opendir' succeeded on a FIFO???\n", stdout);
   46:       closedir (dirp);
   47:       return 1;
   48:     }
   49: 
   50:   if (errno != ENOTDIR)
   51:     {
   52:       fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
   53:                strerror (errno), strerror (ENOTDIR));
   54:       return 1;
   55:     }
   56: 
   57:   return 0;
   58: }
   59: 
   60: 
   61: static int
   62: do_test (int argc, char *argv[])
   63: {
   64:   int retval;
   65: 
   66:   if (mktemp (tmpname) == NULL)
   67:     {
   68:       perror ("mktemp");
   69:       return 1;
   70:     }
   71: 
   72:   /* Try to generate a FIFO.  */
   73:   if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0)
   74:     {
   75:       perror ("mknod");
   76:       /* We cannot make this an error.  */
   77:       return 0;
   78:     }
   79: 
   80:   retval = real_test ();
   81: 
   82:   remove (tmpname);
   83: 
   84:   return retval;
   85: }
   86: 
   87: 
   88: static void
   89: do_cleanup (void)
   90: {
   91:   remove (tmpname);
   92: }
   93: #define CLEANUP_HANDLER do_cleanup ()
   94: 
   95: 
   96: /* Include the test skeleton.  */
   97: #include <test-skeleton.c>