From 9fcc57e4967e56b53c4cd6c436073ec45a23c148 Mon Sep 17 00:00:00 2001
From: skoriop <karthikp.ivy@gmail.com>
Date: Thu, 5 Oct 2023 03:12:50 +0530
Subject: [PATCH] fix: integer overflow in `LineRange::parse_range`

---
 src/line_range.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/line_range.rs b/src/line_range.rs
index c9094fc9..15ed3e9e 100644
--- a/src/line_range.rs
+++ b/src/line_range.rs
@@ -53,7 +53,7 @@ impl LineRange {
                     let more_lines = &line_numbers[1][1..]
                         .parse()
                         .map_err(|_| "Invalid character after +")?;
-                    new_range.lower + more_lines
+                    new_range.lower.saturating_add(*more_lines)
                 } else if first_byte == Some(b'-') {
                     // this will prevent values like "-+5" even though "+5" is valid integer
                     if line_numbers[1][1..].bytes().next() == Some(b'+') {