From df04b4107f15f49687b8db549ec809517833a120 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Thu, 12 Jun 2025 20:15:57 +0800
Subject: fix: compiling with -O0 caused runtime error with `str.back()` so we
 check if .empty() first

---
 src/format.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/format.hpp b/src/format.hpp
index 40e85f3..f857f96 100644
--- a/src/format.hpp
+++ b/src/format.hpp
@@ -38,7 +38,7 @@ inline std::string fmt(eFormatType type, std::string str) {
 		break;
 	}
 
-	if (str.back() != '\n' && type != NONEWLINE)
+	if (!str.empty() && str.back() != '\n' && type != NONEWLINE)
 		str += '\n';
 
 	return prefix + str;
-- 
cgit v1.2.3