Buffer: maintain a per line timestamp

1 files changed, 2 insertions, 0 deletions

diff --git a/src/buffer.hh b/src/buffer.hh
index 17de0f07..347be959 100644
--- a/src/buffer.hh
+++ b/src/buffer.hh
@@ -108,6 +108,7 @@ public:
     BufferIterator erase(BufferIterator begin, BufferIterator end);
 
     size_t         timestamp() const { return m_timestamp; }
+    size_t         line_timestamp(LineCount line) const { return m_lines[line].timestamp; }
     time_t         fs_timestamp() const;
     void           set_fs_timestamp(time_t ts);
 
@@ -182,6 +183,7 @@ private:
 
     struct Line
     {
+        size_t    timestamp;
         ByteCount start;
         String    content;