Files
esphome/esphome/components/logger/logger_host.cpp
2026-02-04 08:47:35 +01:00

31 lines
859 B
C++

#if defined(USE_HOST)
#include "logger.h"
namespace esphome::logger {
void HOT Logger::write_msg_(const char *msg, uint16_t len) {
static constexpr size_t TIMESTAMP_LEN = 10; // "[HH:MM:SS]"
// tx_buffer_size_ defaults to 512, so 768 covers default + headroom
char buffer[TIMESTAMP_LEN + 768];
time_t rawtime;
time(&rawtime);
struct tm timeinfo;
localtime_r(&rawtime, &timeinfo); // Thread-safe version
size_t pos = strftime(buffer, TIMESTAMP_LEN + 1, "[%H:%M:%S]", &timeinfo);
// Copy message (with newline already included by caller)
size_t copy_len = std::min(static_cast<size_t>(len), sizeof(buffer) - pos);
memcpy(buffer + pos, msg, copy_len);
pos += copy_len;
// Single write for everything
fwrite(buffer, 1, pos, stdout);
}
void Logger::pre_setup() { global_logger = this; }
} // namespace esphome::logger
#endif