Function my_get_module_parent

mysys_ssl/my_default.cc:1331–1359

static const char *my_get_module_parent(char *buf, size_t size)
{
  char *last= NULL;
  char *end;
  if (!GetModuleFileName(NULL, buf, (DWORD) size))
    return NULL;
  end= strend(buf);

  /*
    Look for the second-to-last \ in the filename, but hang on
    to a pointer after the last \ in case we're in the root of
    a drive.
  */
  for ( ; end > buf; end--)
  {
    if (*end == FN_LIBCHAR)
    {
      if (last)
      {
        /* Keep the last '\' as this works both with D:\ and a directory */
        end[1]= 0;
        break;
      }
      last= end;
    }
  }

  return buf;
}
#endif /* __WIN__ */