};
extern void log_printf(enum log_levels level, const char *file, int line,
- const char *function, const char *format, ...);
+ const char *function, const char *format, ...)
+ __attribute__ ((format (printf, 5, 6)));
extern int log_register_commands(struct command_context_s *cmd_ctx);
extern int log_init(struct command_context_s *cmd_ctx);