X-Git-Url: https://git.cworth.org/git?p=loudgame;a=blobdiff_plain;f=loudgame.h;h=359ecfdd7287f78c38bf32c497e12ce583e0674c;hp=c899727eb0a5220a29145f1613b827695b02a346;hb=HEAD;hpb=84366ba467d765ba7a14084b8b8c49fb1c61ab07

diff --git a/loudgame.h b/loudgame.h
index c899727..359ecfd 100644
--- a/loudgame.h
+++ b/loudgame.h
@@ -23,6 +23,13 @@
 #include <stdarg.h>
 #include <loudmouth/loudmouth.h>
 
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
+#define LOUDGAME_PRINTF_FORMAT(fmt_index, va_index) \
+	__attribute__((__format__(__printf__, fmt_index, va_index)))
+#else
+#define LOUDGAME_PRINTF_FORMAT(fmt_index, va_index)
+#endif
+
 typedef struct _loudgame loudgame_t;
 
 typedef void (*handle_message_cb) (loudgame_t	*lg,
@@ -44,6 +51,10 @@ struct _loudgame {
     handle_message_cb	 handle_message;
 };
 
+#define LOUDGAME_HELP								\
+"\tsay message         \t\tSay 'message' to everyone in the current game\n"	\
+"\twhisper user message\tSay 'message' to 'user' only\n"
+
 int
 loudgame_init (loudgame_t *lg, int argc, char **argv);
 
@@ -59,13 +70,13 @@ void
 loudgame_sendf (loudgame_t	*lg,
 		const char	*peer,
 		const char	*format,
-		...);
+		...) LOUDGAME_PRINTF_FORMAT (3, 4);
 
 void
 loudgame_vsendf (loudgame_t	*lg,
 		 const char	*peer,
 		 const char	*format,
-		 va_list	 va);
+		 va_list	 va) LOUDGAME_PRINTF_FORMAT (3, 0);
 
 void
 loudgame_broadcast (loudgame_t *lg,
@@ -74,12 +85,12 @@ loudgame_broadcast (loudgame_t *lg,
 void
 loudgame_vbroadcastf (loudgame_t *lg,
 		      const char *format,
-		      va_list     va);
+		      va_list     va) LOUDGAME_PRINTF_FORMAT (2, 0);
 
 void
 loudgame_broadcastf (loudgame_t	*lg,
 		     const char	*format,
-		     ...);
+		     ...) LOUDGAME_PRINTF_FORMAT (2, 3);
 
 void
 loudgame_quit (loudgame_t *lg, int return_value);