test/syslink/dummyfs.c

   1 /*
   2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@backplane.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/test/syslink/dummyfs.c,v 1.1 2007/05/28 05:28:12 dillon Exp $
  35  */
  36
  37 #include <sys/types.h>
  38 #include <sys/syslink.h>
  39 #include <sys/syslink_msg.h>
  40 #include <sys/syslink_vfs.h>
  41 #include <vfs/userfs/userfs.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <unistd.h>
  45 #include <errno.h>
  46 #include <string.h>
  47
  48 static void usage(void);
  49
  50 int VerboseOpt;
  51
  52 int
  53 main(int ac, char **av)
  54 {
  55         struct userfs_mount_info info;
  56         const char *mountpt;
  57         int ch;
  58
  59         while ((ch = getopt(ac, av, "v")) != -1) {
  60                 switch(ch) {
  61                 case 'v':
  62                         ++VerboseOpt;
  63                         break;
  64                 default:
  65                         usage();
  66                 }
  67         }
  68         ac -= optind;
  69         av += optind;
  70         if (ac == 0)
  71                 usage();
  72         mountpt = av[0];
  73
  74         bzero(&info, sizeof(info));
  75         info.cfd = -1;
  76         if (mount("userfs", mountpt, 0, &info) < 0) {
  77                 fprintf(stderr, "Unable to mount: %s\n", strerror(errno));
  78         }
  79         printf("mount successful %d\n", info.cfd);
  80         return(0);
  81 }
  82
  83 static
  84 void
  85 usage(void)
  86 {
  87         fprintf(stderr, "dummyfs [-v] mountpt\n");
  88         exit(1);
  89 }
  90