From 64ebcdcad00b944e72d98061dc5a3a129b8e2fd8 Mon Sep 17 00:00:00 2001
From: Mark Adams <mark.adams@queensu.ca>
Date: Wed, 8 Jan 2025 22:13:39 -0500
Subject: [PATCH] shorten string to pos before concatenating (#3248)

---
 src/deluge/util/d_string.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/deluge/util/d_string.cpp b/src/deluge/util/d_string.cpp
index 002d11745c..33207859a5 100644
--- a/src/deluge/util/d_string.cpp
+++ b/src/deluge/util/d_string.cpp
@@ -80,9 +80,7 @@ Error String::concatenateAtPos(char const* newChars, int32_t pos, int32_t newCha
 		return set({newChars, static_cast<size_t>(newCharsLength)});
 	}
 
-	if (newCharsLength == 0) {
-		return shorten(pos);
-	}
+	unique().resize(pos);
 
 	unique() += newChars;