From 00703ad2bc9a69f068b0eee3fdcea7432b130bef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Thu, 3 Apr 2014 14:18:45 -0700 Subject: [PATCH] Add WL_PRINTF attribute and annotate wl_log_func_t --- src/wayland-util.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/wayland-util.h b/src/wayland-util.h index 57764d9..fd32826 100644 --- a/src/wayland-util.h +++ b/src/wayland-util.h @@ -51,6 +51,13 @@ extern "C" { #define WL_DEPRECATED #endif +/* Printf annotation */ +#if defined(__GNUC__) && __GNUC__ >= 4 +#define WL_PRINTF(x, y) __attribute__((__format__(__printf__, x, y))) +#else +#define WL_PRINTF(x, y) +#endif + struct wl_message { const char *name; const char *signature; @@ -276,7 +283,7 @@ typedef int (*wl_dispatcher_func_t)(const void *, void *, uint32_t, const struct wl_message *, union wl_argument *); -typedef void (*wl_log_func_t)(const char *, va_list); +typedef void (*wl_log_func_t)(const char *, va_list) WL_PRINTF(1, 0); #ifdef __cplusplus }