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This commit is contained in:
J. Nick Koston
2026-02-04 07:42:40 +01:00
parent 3d43b740fd
commit 4d9b7c47f8
1 changed files with 11 additions and 6 deletions
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esphome/components/logger/logger.h
+11 -6
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@@ -174,9 +174,7 @@ struct LogBuffer {
*p++ = '[';
// Copy tag
const size_t tag_len = strlen(tag);
memcpy(p, tag, tag_len);
p += tag_len;
this->copy_string_(p, tag);
*p++ = ':';
@@ -199,9 +197,7 @@ struct LogBuffer {
if (thread_name != nullptr) {
this->write_ansi_color_(p, 1); // Bold red for thread name
*p++ = '[';
const size_t name_len = strlen(thread_name);
memcpy(p, thread_name, name_len);
p += name_len;
this->copy_string_(p, thread_name);
*p++ = ']';
this->write_ansi_color_(p, level); // Restore original color
}
@@ -283,6 +279,15 @@ struct LogBuffer {
*p++ = LOG_LEVEL_COLOR_DIGIT[level];
*p++ = 'm';
}
// Copy string without null terminator, updates pointer in place
// Caller is responsible for ensuring buffer has sufficient space
void copy_string_(char *&p, const char *str) {
const size_t len = strlen(str);
// NOLINTNEXTLINE(bugprone-not-null-terminated-result) - intentionally no null terminator, building string piece by
// piece
memcpy(p, str, len);
p += len;
}
};
#if defined(USE_ESP32) || defined(USE_ESP8266) || defined(USE_RP2040) || defined(USE_LIBRETINY) || defined(USE_ZEPHYR)