share/examples/ses/srcs/getnobj.c

   1 /* $FreeBSD$ */
   2 /*
   3  * Copyright (c) 2000 by Matthew Jacob
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer,
  11  *    without modification, immediately at the beginning of the file.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * Alternatively, this software may be distributed under the terms of the
  16  * the GNU Public License ("GPL").
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * Matthew Jacob
  31  * Feral Software
  32  * mjacob@feral.com
  33  */
  34
  35 #include <unistd.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <unistd.h>
  39 #include <fcntl.h>
  40 #include <sys/ioctl.h>
  41 #include SESINC
  42
  43 int
  44 main(argc, argv)
  45         int argc;
  46         char **argv;
  47 {
  48         unsigned int nobj;
  49         int fd;
  50
  51         while (*++argv != NULL) {
  52                 char *name = *argv;
  53                 fd = open(name, O_RDONLY);
  54                 if (fd < 0) {
  55                         perror(name);
  56                         continue;
  57                 }
  58                 if (ioctl(fd, SESIOC_GETNOBJ, (caddr_t) &nobj) < 0) {
  59                         perror("SESIOC_GETNOBJ");
  60                 } else {
  61                         fprintf(stdout, "%s: %d objects\n", name, nobj);
  62                 }
  63                 close (fd);
  64         }
  65         return (0);
  66 }