static int do_rotate()

in plugin/server_audit/file_logger.cc [140:172]

• 30 lines of code
• 7 McCabe index (conditional complexity)

static int do_rotate(LOGGER_HANDLE *log)
{
  char namebuf[FN_REFLEN];
  int result;
  unsigned int i;
  char *buf_old, *buf_new, *tmp;

  if (log->rotations == 0)
    return 0;

  memcpy(namebuf, log->path, log->path_len);

  buf_new= logname(log, namebuf, log->rotations);
  buf_old= log->path;
  for (i=log->rotations-1; i>0; i--)
  {
    logname(log, buf_old, i);
    if (!access(buf_old, F_OK) &&
        (result= my_rename(buf_old, buf_new, MYF(0))))
      goto exit;
    tmp= buf_old;
    buf_old= buf_new;
    buf_new= tmp;
  }
  if ((result= my_close(log->file, MYF(0))))
    goto exit;
  namebuf[log->path_len]= 0;
  result= my_rename(namebuf, logname(log, log->path, 1), MYF(0));
  log->file= my_open(namebuf, LOG_FLAGS, MYF(0));
exit:
  errno= my_errno();
  return log->file < 0 || result;
}