int taskloop_add(task_callback task)
{
void *object = task;
if (ringbuffer_full(&taskqueue.tasks))
return 0;
ringbuffer_push(&taskqueue.tasks, &object);
return 1;
}
int main()
{
struct RingBuffer *h = NULL;
int x = 10, y = INT_MAX, z = 2863311530, m = -3333;
int offset_remove = 2;
int offset_insert = 3;
int offset_data = 4;
assert(ringbuffer_init(&h, 3, sizeof(x)) == 0);
assert(ringbuffer_push(h, (unsigned char *)&x) == RBE_SUCCESS);
assert(ringbuffer_push(h, (unsigned char *)&y) == RBE_SUCCESS);
assert(ringbuffer_full(h) != 0);
assert(ringbuffer_pop(h) == RBE_SUCCESS);
assert(ringbuffer_push(h, (unsigned char *)&z) == RBE_SUCCESS);
assert(ringbuffer_full(h) != 0);
assert(ringbuffer_resize(&h, 5) == RBE_SUCCESS);
assert(ringbuffer_full(h) == 0);
assert(ringbuffer_empty(h) == 0);
assert(ringbuffer_push(h, (unsigned char *)&m) == RBE_SUCCESS);
assert(ringbuffer_push(h, (unsigned char *)&x) == RBE_SUCCESS);
assert(ringbuffer_full(h) != 0);
{ /* checking the data: x y z m x */
unsigned *off = (unsigned *) h;
int *values = (int *) off + offset_data;
assert(*(off + offset_remove) == 1 * sizeof(x));
assert(*(off + offset_insert) == 0);
assert(values[0] == x);
assert(values[1] == y);
assert(values[2] == z);
assert(values[3] == m);
assert(values[4] == x);
}
ringbuffer_destroy(&h);
return 0;
}
uint32_t ringbuffer_write_lock_size(kringbuffer_t* rb) {
verify(rb);
if (ringbuffer_full(rb)) {
return 0;
}
rb->lock_type = 2;
rb->lock_size = 0;
if (rb->write_pos >= rb->read_pos) {
rb->lock_size = rb->max_size - rb->write_pos;
} else {
rb->lock_size = rb->read_pos - rb->write_pos;
}
return rb->lock_size;
}
