From a77b914513017ef5e7287526d4da17581b6f0f27 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 3 Dec 2021 19:02:20 -0500
Subject: another parameter parsing bug

---
 src/grid.rs    | 2 +-
 tests/weird.rs | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/grid.rs b/src/grid.rs
index 839ac2f..246e9e6 100644
--- a/src/grid.rs
+++ b/src/grid.rs
@@ -472,7 +472,7 @@ impl Grid {
         let size = self.size;
         let pos = self.pos;
         let row = self.current_row_mut();
-        for col in pos.col..((pos.col + count).min(size.cols)) {
+        for col in pos.col..((pos.col.saturating_add(count)).min(size.cols)) {
             row.erase(col as usize, attrs);
         }
     }
diff --git a/tests/weird.rs b/tests/weird.rs
index 46ecd20..7e19ebd 100644
--- a/tests/weird.rs
+++ b/tests/weird.rs
@@ -6,9 +6,10 @@ fn intermediate_control() {
 }
 
 #[test]
-fn many_empty_params() {
+fn params() {
     let mut parser = vt100::Parser::default();
     parser.process(b"\x1b[::::::::::::::::::::::::::::::::@");
     parser.process(b"\x1b[::::::::::::::::::::::::::::::::H");
     parser.process(b"\x1b[::::::::::::::::::::::::::::::::r");
+    parser.process(b"a\x1b[8888888X");
 }
-- 
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