From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 10 Feb 2011 17:46:42 +0000 (-0500)
Subject: ust_safe_snprintf should check print format
X-Git-Tag: v0.12~68
X-Git-Url: http://git.lttng.org/?p=ust.git;a=commitdiff_plain;h=3e43d6d37041b251cd969f9ec33271cb1c37b8a0

ust_safe_snprintf should check print format

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

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...) \
 { \