From: Eric Haszlakiewicz <erh+git@nimenees.com>
Date: Wed, 27 May 2015 02:02:19 +0000 (-0700)
Subject: Tell the compiler we're intentionally ignoring the return value from __sync_val_compa... 
X-Git-Tag: json-c-0.13-20171207~191
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cd8bd7f617361b521fc92152e4daca4362c6ab91;p=json-c

Tell the compiler we're intentionally ignoring the return value from __sync_val_compare_and_swap().
---

diff --git a/linkhash.c b/linkhash.c
index 572f4dc..aec899f 100644
--- a/linkhash.c
+++ b/linkhash.c
@@ -413,7 +413,7 @@ unsigned long lh_char_hash(const void *k)
 		/* we can't use -1 as it is the unitialized sentinel */
 		while ((seed = json_c_get_random_seed()) == -1);
 #if defined __GNUC__
-		__sync_val_compare_and_swap(&random_seed, -1, seed);
+		(void)__sync_val_compare_and_swap(&random_seed, -1, seed);
 #elif defined _MSC_VER
 		InterlockedCompareExchange((LONG *)&random_seed, seed, -1);
 #else