X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Fusterr.h;h=3ec7ae0dd697d1d7d6fd073d1d98762758131f92;hb=3e43d6d37041b251cd969f9ec33271cb1c37b8a0;hp=f0cdeb02f7d0922b3041e6c76c9028f02a3935f8;hpb=5ddb6e3696d96fec6ef2f0fad66287444629ec22;p=ust.git

diff --git a/include/usterr.h b/include/usterr.h
index f0cdeb0..3ec7ae0 100644
--- a/include/usterr.h
+++ b/include/usterr.h
@@ -42,7 +42,8 @@
  * 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)));
 
 #define sigsafe_print_err(fmt, args...) \
 { \