From d050c6b137199666cae75c2628a75d63b49b1c22 Mon Sep 17 00:00:00 2001
From: ToruNiina <ToruNiina@users.noreply.github.com>
Date: Mon, 23 Sep 2024 13:44:01 +0000
Subject: [PATCH] feat [skip ci]: update single_include

---
 single_include/toml.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/single_include/toml.hpp b/single_include/toml.hpp
index afdaf5b5..2c2ab37e 100644
--- a/single_include/toml.hpp
+++ b/single_include/toml.hpp
@@ -5323,7 +5323,9 @@ TOML11_INLINE std::ostringstream& format_underline(std::ostringstream& oss,
     oss << make_string(lnw + 1, ' ')
         << color::bold << color::blue << " | " << color::reset;
 
-    oss << make_string(col-1 /*1-origin*/, ' ')
+    // in case col is 0, so we don't create a string with size_t max length
+    const std::size_t sanitized_col = col == 0 ? 0 : col - 1 /*1-origin*/;
+    oss << make_string(sanitized_col, ' ')
         << color::bold << color::red
         << make_string(len, '^') << "-- "
         << color::reset << msg << '\n';