diff --git a/include/io/buffer.h b/include/io/buffer.h
index f63869e..43688cc 100644
--- a/include/io/buffer.h
+++ b/include/io/buffer.h
@@ -39,6 +39,8 @@ struct QIOBuffer {
size_t offset;
uint64_t avg_size;
uint8_t *buffer;
+ size_t base_offs;
+ uint8_t *base_ptr;
Why a separate base_ptr?
While being at it I'd much prefer to replace offset with start & end.
The buffer content is buffer[start] ... buffer[end-1] then.
We can allow the buffer to wrap around, i.e. end < start. Buffer
content is buf[start] ... buffer[size-1] and buffer[0] .. buffer[end-1]
then. Makes the buffer management a bit more complicated, but we never
have to memmove then (except when changing buffer size) and the
WASTED_SIZE logic isn't needed too ...