+void log_file_info(const std::string &filename, int lineno,
+ const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ std::string fmt = stringf("%s:%d: Info: %s",
+ filename.c_str(), lineno, format);
+ logv(fmt.c_str(), ap);
+ va_end(ap);
+}
+