From e68b302bba53314ef1d3a9b1a1ee619d9248879d Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Fri, 30 Jan 2026 20:21:43 -0600
Subject: [PATCH] [ci] Block new scanf() usage to prevent ~9.8KB flash bloat

---
 script/ci-custom.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script/ci-custom.py b/script/ci-custom.py
index 58df8d3517..b5bec74fa7 100755
--- a/script/ci-custom.py
+++ b/script/ci-custom.py
@@ -767,7 +767,7 @@ def lint_no_scanf(fname, match):
     func = match.group(1)
     return (
         f"{highlight(func + '()')} is not allowed in new ESPHome code. The scanf family "
-        f"pulls in ~9.8KB of flash on embedded platforms, and ESPHome doesn't otherwise "
+        f"pulls in ~7KB flash on ESP8266 and ~9KB on ESP32, and ESPHome doesn't otherwise "
         f"need this code.\n"
         f"Please use alternatives:\n"
         f"  - {highlight('parse_number<T>(str)')} for parsing integers/floats from strings\n"