From d68862a79f041e40afbe0d595327cfa07621fade Mon Sep 17 00:00:00 2001
From: Fabian Greffrath <fabian@greffrath.com>
Date: Wed, 3 Feb 2021 14:20:33 +0100
Subject: [PATCH] more wild-guessing at clang's problem with calling
 vsnprintf()

---
 Source/m_misc2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/m_misc2.c b/Source/m_misc2.c
index eb11afba..35e973e0 100644
--- a/Source/m_misc2.c
+++ b/Source/m_misc2.c
@@ -419,7 +419,7 @@ char *M_StringJoin(const char *s, ...)
 #endif
 
 // Safe, portable vsnprintf().
-static int M_vsnprintf(char *buf, size_t buf_len, const char *s, va_list args)
+static int PRINTF_ATTR(3, 0) M_vsnprintf(char *buf, size_t buf_len, const char *s, va_list args)
 {
     int result;