AWS_STATIC_IMPL bool aws_ring_buffer_is_valid()

in GameLiftPlugin/Source/AWSSDK/Include/aws/common/ring_buffer.inl [33:42]

• 9 lines of code
• 7 McCabe index (conditional complexity)

AWS_STATIC_IMPL bool aws_ring_buffer_is_valid(const struct aws_ring_buffer *ring_buf) {
    uint8_t *head = (uint8_t *)aws_atomic_load_ptr(&ring_buf->head);
    uint8_t *tail = (uint8_t *)aws_atomic_load_ptr(&ring_buf->tail);
    bool head_in_range = aws_ring_buffer_check_atomic_ptr(ring_buf, head);
    bool tail_in_range = aws_ring_buffer_check_atomic_ptr(ring_buf, tail);
    /* if head points-to the first element of the buffer then tail must too */
    bool valid_head_tail = (head != ring_buf->allocation) || (tail == ring_buf->allocation);
    return ring_buf && (ring_buf->allocation != NULL) && head_in_range && tail_in_range && valid_head_tail &&
           (ring_buf->allocator != NULL);
}