X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fusterr.h;h=b97ad6ba3559621d3cd9b4162bbae298926b4c26;hb=f218ff2821b494cf7b0fc3978e944070ad418772;hp=0f6d3608bdbdcc6b859c804c98508fcc0d35727c;hpb=a09dac63957396890b1085cac0fee92ecc5db87a;p=ust.git

diff --git a/include/usterr.h b/include/usterr.h
index 0f6d360..b97ad6b 100644
--- a/include/usterr.h
+++ b/include/usterr.h
@@ -25,6 +25,8 @@
 #include <stdarg.h>
 #include <stdio.h>
 
+#include <ust/core.h>
+
 #include "share.h"
 
 #ifndef UST_COMPONENT
@@ -40,7 +42,13 @@
  * signal handlers, so we must use a print method which is signal safe.
  */
 
-extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...);
+extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...)
+	__attribute__ ((format (printf, 3, 4)));
+
+static inline void __attribute__ ((format (printf, 1, 2)))
+	__check_ust_safe_fmt(const char *fmt, ...)
+{
+}
 
 #define sigsafe_print_err(fmt, args...) \
 { \
@@ -71,8 +79,8 @@ extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...);
 # define DBG(fmt, args...) ERRMSG(fmt, ## args)
 # define DBG_raw(fmt, args...) do { sigsafe_print_err(fmt, ## args); fflush(stderr); } while(0)
 #else
-# define DBG(fmt, args...) do {} while(0)
-# define DBG_raw(fmt, args...) do {} while(0)
+# define DBG(fmt, args...) __check_ust_safe_fmt(fmt, ## args)
+# define DBG_raw(fmt, args...) __check_ust_safe_fmt(fmt, ## args)
 #endif
 #define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args)
 #define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)