From 6fb093aa1d0e8446733e287f61642937c9084139 Mon Sep 17 00:00:00 2001
From: Oliver Kleinecke <kleinecke.oliver@googlemail.com>
Date: Wed, 19 Feb 2025 11:14:16 +0100
Subject: [PATCH] fix: improve token extraction in split_to_int_vector_ for
 better clarity and correctness

---
 esphome/components/dynamic_lamp/dynamic_lamp.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esphome/components/dynamic_lamp/dynamic_lamp.cpp b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
index d72c9f0abd..adb59917b9 100644
--- a/esphome/components/dynamic_lamp/dynamic_lamp.cpp
+++ b/esphome/components/dynamic_lamp/dynamic_lamp.cpp
@@ -342,7 +342,8 @@ std::vector<uint8_t> DynamicLampComponent::split_to_int_vector_(const std::strin
   size_t pos = 0;
   std::string token;
   while ((pos = s.find(delimiter)) != std::string::npos) {
-      token = static_cast<uint8_t>(atoi(s.substr(0, pos).c_str()));
+      c_substr = s.substr(0, pos).c_str();
+      token = static_cast<uint8_t>(atoi(c_substr));
       tokens.push_back(token);
       s.erase(0, pos + delimiter.length());
   }