\r\n for TxtFormatter in raw consoles about plog HOT 4 OPEN

#include <stdio.h>
#include <termios.h>
#include <unistd.h>

#include <plog/Formatters/TxtFormatter.h>
#include <plog/Initializers/ConsoleInitializer.h>
#include <plog/Log.h>

static plog::ColorConsoleAppender<plog::TxtFormatter> consoleAppender(plog::streamStdErr);

struct termios original_attributes;

void enable_raw_mode() {
  tcgetattr(STDIN_FILENO, &original_attributes);
  struct termios raw = {0};
  cfmakeraw(&raw);
  tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw);
}

void disable_raw_mode() {
  tcsetattr(STDIN_FILENO, TCSAFLUSH, &original_attributes);
}

int main() {
  plog::init(plog::verbose, &consoleAppender);

  enable_raw_mode();

  bool forceCharacterReturn = false;

  while (1) {
    char c;

    // To test: type some text and press 't' to toggle between forcing an extra \r in to the logging statement.
    // Press 'q' to quit. (Cannot use ctrl+c because we are in raw mode.)

    if (read(STDIN_FILENO, &c, 1) == 1) {
      if (c == 't') {
        forceCharacterReturn = !forceCharacterReturn;
      }
      PLOG_INFO << "c=" << c << " forceCR=" << forceCharacterReturn << (forceCharacterReturn ? "\r" : "");
      if (c == 'q') {
        break;
      }
    }
  }

  disable_raw_mode();

  return 0;
}

$ g++ -I/repos/plog/include example.cc

$ ./a.out
2023-09-22 12:00:11.594 INFO  [507366] [main@41] c=a forceCR=0
                                                              2023-09-22 12:00:11.783 INFO  [507366] [main@41] c=b forceCR=0
    2023-09-22 12:00:12.043 INFO  [507366] [main@41] c=c forceCR=0
                                                                  2023-09-22 12:00:13.537 INFO  [507366] [main@41] c=t forceCR=1
2023-09-22 12:00:14.198 INFO  [507366] [main@41] c=d forceCR=1
2023-09-22 12:00:14.309 INFO  [507366] [main@41] c=e forceCR=1
2023-09-22 12:00:14.387 INFO  [507366] [main@41] c=f forceCR=1
2023-09-22 12:00:19.802 INFO  [507366] [main@41] c=q forceCR=1