tests/zfs-tests/cmd/zfs_diff-socket.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
  14  */
  15
  16 #include <fcntl.h>
  17 #include <sys/un.h>
  18 #include <sys/socket.h>
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <unistd.h>
  22 #include <errno.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 int
  28 main(int argc, char *argv[])
  29 {
  30         struct sockaddr_un sock;
  31         int fd;
  32         char *path;
  33         size_t size;
  34         if (argc != 2) {
  35                 fprintf(stderr, "usage: %s /path/to/socket\n", argv[0]);
  36                 exit(1);
  37         }
  38         path = argv[1];
  39         size =  sizeof (sock.sun_path);
  40         (void) snprintf(sock.sun_path, size, "%s", path);
  41
  42         sock.sun_family = AF_UNIX;
  43         if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) {
  44                 perror("socket");
  45                 return (1);
  46         }
  47         if (bind(fd, (struct sockaddr *)&sock, sizeof (struct sockaddr_un))) {
  48                 perror("bind");
  49                 return (1);
  50         }
  51         if (close(fd)) {
  52                 perror("close");
  53                 return (1);
  54         }
  55         return (0);
  56 }