FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/tests/zfs-tests/cmd/zfs_diff-socket.c

     /*
      * This file and its contents are supplied under the terms of the
      * Common Development and Distribution License ("CDDL"), version 1.0.
      * You may only use this file in accordance with the terms of version
      * 1.0 of the CDDL.
      *
      * A full copy of the text of the CDDL should have accompanied this
      * source.  A copy of the CDDL is also available via the Internet at
      * http://www.illumos.org/license/CDDL.
     */
    
    /*
     * Copyright 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
     */
    
    #include <fcntl.h>
    #include <sys/un.h>
    #include <sys/socket.h>
    #include <sys/stat.h>
    #include <sys/types.h>
    #include <unistd.h>
    #include <errno.h>
    #include <stdio.h>
    #include <stdlib.h>
    #include <string.h>
    
    int
    main(int argc, char *argv[])
    {
            struct sockaddr_un sock;
            int fd;
            char *path;
            size_t size;
            if (argc != 2) {
                    fprintf(stderr, "usage: %s /path/to/socket\n", argv[0]);
                    exit(1);
            }
            path = argv[1];
            size =  sizeof (sock.sun_path);
            (void) snprintf(sock.sun_path, size, "%s", path);
    
            sock.sun_family = AF_UNIX;
            if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) {
                    perror("socket");
                    return (1);
            }
            if (bind(fd, (struct sockaddr *)&sock, sizeof (struct sockaddr_un))) {
                    perror("bind");
                    return (1);
            }
            if (close(fd)) {
                    perror("close");
                    return (1);
            }
            return (0);
    }

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