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Merge branch 'webserver_string_construction_reduce' into integration

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This commit is contained in:
J. Nick Koston
2025-10-02 23:06:36 +02:00
parent 403bfdc68a f5fc06fd9e
commit 976b55ed2e
2 changed files with 6 additions and 5 deletions
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4
esphome/core/helpers.cpp
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@@ -366,7 +366,9 @@ std::string value_accuracy_to_string(float value, int8_t accuracy_decimals) {
std::string value_accuracy_with_uom_to_string(float value, int8_t accuracy_decimals, StringRef unit_of_measurement) { std::string value_accuracy_with_uom_to_string(float value, int8_t accuracy_decimals, StringRef unit_of_measurement) {
normalize_accuracy_decimals(value, accuracy_decimals); normalize_accuracy_decimals(value, accuracy_decimals);
char tmp[64]; // Increased to accommodate unit of measurement // Buffer sized for float (up to ~15 chars) + space + typical UOM (usually <20 chars like "μS/cm")
// snprintf truncates safely if exceeded, though ESPHome UOMs are typically short
char tmp[64];
if (unit_of_measurement.empty()) { if (unit_of_measurement.empty()) {
snprintf(tmp, sizeof(tmp), "%.*f", accuracy_decimals, value); snprintf(tmp, sizeof(tmp), "%.*f", accuracy_decimals, value);
} else { } else {

7
esphome/core/helpers.h
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@@ -14,10 +14,6 @@
#include "esphome/core/optional.h" #include "esphome/core/optional.h"
namespace esphome {
class StringRef;
}
#ifdef USE_ESP8266 #ifdef USE_ESP8266
#include <Esp.h> #include <Esp.h>
#endif #endif
@@ -49,6 +45,9 @@ class StringRef;
namespace esphome { namespace esphome {
// Forward declaration to avoid circular dependency with string_ref.h
class StringRef;
/// @name STL backports /// @name STL backports
///@{ ///@{