limit the undoing of consumed data

When undoing the consume of make sure we don't send back more than we took out.
Once we hit the limit then move backwards to the previous stream, which we now
stash.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/input.h b/src/input.h
index 0cf77566..fbe2ec01 100644
--- a/src/input.h
+++ b/src/input.h
@@ -77,7 +77,6 @@ struct run_buf
 {
 	enum run_buf_type type;
 	long length;
-	struct colm_tree *tree;
 	long offset;
 	struct run_buf *next, *prev;
 
@@ -145,6 +144,8 @@ struct stream_impl_seq
 	struct seq_buf *queue;
 	struct seq_buf *queue_tail;
 
+	struct seq_buf *stash;
+
 	long line;
 	long column;
 	long byte;