Function create_unix_stream_socket

C/unix/libunixsocket.c:112–143

* @brief Create and connect a new UNIX STREAM socket. * * Creates and connects a new STREAM socket with the socket given in `path`. * * @retval >0 Success; return value is a socket file descriptor * @retval <0 Error. */

 * @retval <0 Error.
 */
int create_unix_stream_socket(const char* path, int flags) {
    struct sockaddr_un saddr;
    int sfd;

    if (path == NULL) return -1;

    if (-1 == check_error(sfd = socket(AF_UNIX, SOCK_STREAM | flags, 0)))
        return -1;

    memset(&saddr, 0, sizeof(struct sockaddr_un));

    if (strlen(path) > (sizeof(saddr.sun_path) - 1)) {
#ifdef VERBOSE
        debug_write(
            "create_unix_stream_socket: UNIX socket destination path too "
            "long\n");
#endif
        return -1;
    }

    saddr.sun_family = AF_UNIX;
    strncpy(saddr.sun_path, path, sizeof(saddr.sun_path) - 1);

    if (-1 == check_error(
                  connect(sfd, (struct sockaddr*)&saddr,
                          sizeof(saddr.sun_family) + strlen(saddr.sun_path)))) {
        close(sfd);
        return -1;
    }

    return sfd;
}

/**
 * @brief Create a UNIX DGRAM socket