Function ff_sendmsg

lib/ff_syscall_wrapper.c:1216–1256

}

ssize_t
ff_sendmsg(int s, const struct msghdr *msg, int flags)
{
    int rc, ret;
    struct sockaddr_storage freebsd_sa;
    struct msghdr freebsd_msg;
    struct cmsghdr *freebsd_cmsg = NULL;

    freebsd_msg.msg_name = &freebsd_sa;
    if ((__DECONST(struct linux_msghdr *, msg))->msg_control) {
        freebsd_cmsg = malloc((__DECONST(struct linux_msghdr *, msg))->msg_controllen, NULL, 0);
        if (freebsd_cmsg == NULL) {
            rc = ENOMEM;
            goto kern_fail;
        }
    }
    freebsd_msg.msg_control = freebsd_cmsg;

    ret = linux2freebsd_msghdr((const struct linux_msghdr *)msg, &freebsd_msg, 1);
    if (ret < 0) {
        rc = EINVAL;
        goto kern_fail;
    }

    rc = sendit(curthread, s, &freebsd_msg, flags);
    if (rc)
        goto kern_fail;

    rc = curthread->td_retval[0];

    freebsd2linux_msghdr(__DECONST(struct linux_msghdr *, msg), &freebsd_msg, 1);

    if (freebsd_cmsg) {
        free(freebsd_cmsg, NULL);
    }

    return (rc);
kern_fail:
    ff_os_errno(rc);
    return (-1);
}


ssize_t