static void ustream_add_buf(struct ustream_buf_list *l, struct ustream_buf *buf)
{
+ l->buffers++;
if (!l->tail)
l->head = buf;
else
char *ustream_get_read_buf(struct ustream *s, int *buflen)
{
- char *data;
- int len;
+ char *data = NULL;
+ int len = 0;
if (s->r.head) {
len = s->r.head->tail - s->r.head->data;
- data = s->r.head->data;
- } else {
- len = 0;
- data = NULL;
+ if (len > 0)
+ data = s->r.head->data;
}
if (buflen)
static void ustream_write_error(struct ustream *s)
{
+ if (!s->write_error)
+ ustream_state_change(s);
s->write_error = true;
- ustream_state_change(s);
}
bool ustream_write_pending(struct ustream *s)