From 52eda13ecd59661616b6d9302f40769ab34a9c2b Mon Sep 17 00:00:00 2001 From: "J. Nick Koston" Date: Tue, 30 Dec 2025 13:09:35 -1000 Subject: [PATCH] reduce --- esphome/core/gpio.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/esphome/core/gpio.cpp b/esphome/core/gpio.cpp index d8353ab64c..bce233c566 100644 --- a/esphome/core/gpio.cpp +++ b/esphome/core/gpio.cpp @@ -1,14 +1,18 @@ #include "esphome/core/gpio.h" #include "esphome/core/log.h" +#include + namespace esphome { void log_pin(const char *tag, const char *prefix, GPIOPin *pin) { if (pin == nullptr) return; char buffer[GPIO_SUMMARY_MAX_LEN]; - pin->dump_summary(buffer, sizeof(buffer)); - esp_log_printf_(ESPHOME_LOG_LEVEL_CONFIG, tag, __LINE__, "%s%s", prefix, buffer); + size_t len = pin->dump_summary(buffer, sizeof(buffer)); + // Clamp to actual buffer size (snprintf returns would-be length) + len = std::min(len, sizeof(buffer) - 1); + esp_log_printf_(ESPHOME_LOG_LEVEL_CONFIG, tag, __LINE__, "%s%.*s", prefix, (int) len, buffer); } } // namespace esphome