Add PRINTF_ARGS to kprintf

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/addr2line.c b/addr2line.c
index 6028a2a9fb..fbe64758bc 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -9,6 +9,7 @@
 **********************************************************************/
 
 #include "ruby/config.h"
+#include "ruby/defines.h"
 #include "ruby/missing.h"
 #include "addr2line.h"
 
@@ -104,7 +105,7 @@ void *alloca();
 #define SHF_COMPRESSED 0
 #endif
 
-static int kprintf(const char *fmt, ...);
+PRINTF_ARGS(static int kprintf(const char *fmt, ...), 1, 2);
 
 typedef struct {
     const char *dirname;