From d0843fad51200748c90828b071b88abbcd0e7985 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Thu, 14 Nov 2019 21:31:30 +0100
Subject: [PATCH] add format attribute to set_dbparam

src/tcbtdb.c:124:49: error: format string is not a string literal
      [-Werror,-Wformat-nonliteral]
  n = vsnprintf (params + len, DB_PARAMS - len, fmt, args);
                                                ^~~
1 error generated.
---
 src/tcbtdb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tcbtdb.c b/src/tcbtdb.c
index a5090381da..a32c0266ac 100644
--- a/src/tcbtdb.c
+++ b/src/tcbtdb.c
@@ -114,6 +114,9 @@ tc_db_rmdir ()
  * On error, a negative number is returned.
  * On success, the number of characters that would have been written is
  * returned. */
+#if defined(__GNUC__) || defined(__clang__)
+__attribute__((__format__(printf,3,4)))
+#endif
 static int
 set_dbparam (char *params, int len, const char *fmt, ...)
 {