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-rw-r--r--runtime/runtime.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/runtime/runtime.h b/runtime/runtime.h
index c3bf501d..064ded7b 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -48,9 +48,9 @@
#define stp_for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map)
#endif
-static void _stp_dbug (const char *func, int line, const char *fmt, ...);
-static void _stp_error (const char *fmt, ...);
-static void _stp_warn (const char *fmt, ...);
+static void _stp_dbug (const char *func, int line, const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
+static void _stp_error (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
+static void _stp_warn (const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static void _stp_exit(void);