# HG changeset patch
# User Peter Nelson <peter1138@openttd.org>
# Date 2024-01-19 08:03:32
# Node ID ea5142b3c09ba63db21d256ac4e12236711a082d
# Parent  cb7396c4e0bcdcaba8b4fb918aedaf341c0d40b2

Fix 09f585b: Crash if font name ends with comma or comma and whitespace on Linux. (#11838)

diff --git a/src/os/unix/font_unix.cpp b/src/os/unix/font_unix.cpp
--- a/src/os/unix/font_unix.cpp
+++ b/src/os/unix/font_unix.cpp
@@ -34,6 +34,8 @@ static std::tuple<std::string, std::stri
 	if (separator == std::string_view::npos) return { std::string(font_name), std::string() };
 
 	auto begin = font_name.find_first_not_of("\t ", separator + 1);
+	if (begin == std::string_view::npos) return { std::string(font_name.substr(0, separator)), std::string() };
+
 	return { std::string(font_name.substr(0, separator)), std::string(font_name.substr(begin)) };
 }