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[core] Use MAC_ADDRESS_BUFFER_SIZE constant instead of duplicated literal (#15913)

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This commit is contained in:
J. Nick Koston
2026-04-22 06:43:33 +02:00
committed by GitHub
parent 9c80cbf19c
commit a3b49d1ed9
2 changed files with 2 additions and 6 deletions
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esphome/components/esp32_ble/ble.cpp
+1 -3
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@@ -257,11 +257,9 @@ bool ESP32BLE::ble_setup_() {
if (this->name_ != nullptr) {
if (App.is_name_add_mac_suffix_enabled()) {
// MAC address length: 12 hex chars + null terminator
constexpr size_t mac_address_len = 13;
// MAC address suffix length (last 6 characters of 12-char MAC address string)
constexpr size_t mac_address_suffix_len = 6;
char mac_addr[mac_address_len];
char mac_addr[MAC_ADDRESS_BUFFER_SIZE];
get_mac_address_into_buffer(mac_addr);
const char *mac_suffix_ptr = mac_addr + mac_address_suffix_len;
make_name_with_suffix_to(name_buffer, sizeof(name_buffer), this->name_, strlen(this->name_), '-', mac_suffix_ptr,
esphome/core/application.h
+1 -3
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@@ -82,11 +82,9 @@ class Application {
void pre_setup(char *name, size_t name_len, char *friendly_name, size_t friendly_name_len) {
arch_init();
this->name_add_mac_suffix_ = true;
// MAC address length: 12 hex chars + null terminator
constexpr size_t mac_address_len = 13;
// MAC address suffix length (last 6 characters of 12-char MAC address string)
constexpr size_t mac_address_suffix_len = 6;
char mac_addr[mac_address_len];
char mac_addr[MAC_ADDRESS_BUFFER_SIZE];
get_mac_address_into_buffer(mac_addr);
// Overwrite the placeholder suffix in the mutable static buffers with actual MAC
// name is always non-empty (validated by validate_hostname in Python config)