From 17d73cdba7204d48918ecfdda78d4e79948e1358 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 14 Oct 2019 02:06:09 -0400
Subject: error(): Type-check args against format string

Silences:

	src/main.c: In function ‘error’:
	src/main.c:49:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
	  vfprintf(stderr, format, ap);
	  ^~~~~~~~
---
diff --git a/src/main.c b/src/main.c
index adbd81b..9bee050 100644
--- a/src/main.c
+++ b/src/main.c
@@ -37,7 +37,7 @@ set_program_name(const char *name)
 	program_name = name;
 }
 
-static void
+static void __attribute__((format(printf, 1, 2)))
 error(const char *format, ...)
 {
 	va_list ap;
--
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