From ef170dda7fbab53682c9bc287dec93fa86130bc9 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 9 Sep 2018 21:49:59 -0700
Subject: [PATCH] add a formatting attribute check

Tell Clang that parameter is a printf style format using the
attribute flag

This helps in avoiding below warnings seen with clang

unarr.c:106:22: error: format string is not a string literal
[-Werror,-Wformat-nonliteral]
|     vfprintf(stderr, msg, args);
|                      ^~~

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 cut-n-paste/unarr/common/unarr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cut-n-paste/unarr/common/unarr.c b/cut-n-paste/unarr/common/unarr.c
index 97ec92a..9e6e3ad 100644
--- a/cut-n-paste/unarr/common/unarr.c
+++ b/cut-n-paste/unarr/common/unarr.c
@@ -92,7 +92,7 @@ size_t ar_get_global_comment(ar_archive *ar, void *buffer, size_t count)
     return ar->get_comment(ar, buffer, count);
 }
 
-void ar_log(const char *prefix, const char *file, int line, const char *msg, ...)
+void __attribute__((__format__ (__printf__, 4, 0))) ar_log(const char *prefix, const char *file, int line, const char *msg, ...)
 {
     va_list args;
     va_start(args, msg);