int fix_message_send(struct fix_message *self, int sockfd, int flags)
{
struct iovec iov[2];
int ret = 0;
fix_message_unparse(self);
buffer_to_iovec(self->head_buf, &iov[0]);
buffer_to_iovec(self->body_buf, &iov[1]);
if (xwritev(sockfd, iov, ARRAY_SIZE(iov)) < 0) {
ret = -1;
goto error_out;
}
error_out:
self->head_buf = self->body_buf = NULL;
return ret;
}
ssize_t writev_in_full(int fd, const struct iovec *iov, int iovcnt)
{
ssize_t total = 0;
size_t count = get_iov_size(iov, iovcnt);
while (count > 0) {
ssize_t nr;
nr = xwritev(fd, iov, iovcnt);
if (nr < 0)
return -1;
if (nr == 0) {
errno = ENOSPC;
return -1;
}
shift_iovec(&iov, &iovcnt, nr, &total, &count, NULL);
}
return total;
}
static ssize_t xwritev0(int fd, const struct msghdr *msg, int flags)
{
return xwritev(fd, msg->msg_iov, msg->msg_iovlen);
}
