From: Tim Duesterhus <tim@bastelstu.be>
Date: Wed, 12 Jun 2019 18:47:30 +0000 (+0200)
Subject: BUILD: Silence gcc warning about unused return value
X-Git-Tag: v2.0.0~53
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dda1155ed7a295889ed1e1741a60851d74a49d04;p=thirdparty%2Fhaproxy.git

BUILD: Silence gcc warning about unused return value

gcc (Ubuntu 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

complains:

> src/debug.c: In function "ha_panic":
> src/debug.c:162:2: warning: ignoring return value of "write", declared with attribute warn_unused_result [-Wunused-result]
>  (void) write(2, trash.area, trash.data);
>    ^
---

diff --git a/src/debug.c b/src/debug.c
index fd760faace..059bc6b975 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -159,7 +159,7 @@ void ha_panic()
 	chunk_reset(&trash);
 	chunk_appendf(&trash, "Thread %u is about to kill the process.\n", tid + 1);
 	ha_thread_dump_all_to_trash();
-	write(2, trash.area, trash.data);
+	shut_your_big_mouth_gcc(write(2, trash.area, trash.data));
 	for (;;)
 		abort();
 }