Update documentation of move command for new syntax

[loudgame] / loudgame.h

diff --git a/loudgame.h b/loudgame.h
index 08f4b499b48956046f59af632b92c727da9b4838..359ecfdd7287f78c38bf32c497e12ce583e0674c 100644 (file)
--- 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,
@@ -63,13 +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,
@@ -78,12 +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);