From a777e3090eab4df1780b44fc4ddf353908406501 Mon Sep 17 00:00:00 2001
From: Jonathan Dieter <jdieter@gmail.com>
Date: Wed, 1 Aug 2018 13:32:53 +0100
Subject: [PATCH] Fix undeterministic rol32 on ppc64, ppc64le, arm7 and s390x

Signed-off-by: Jonathan Dieter <jdieter@gmail.com>
---
 src/lib/buzhash/buzhash.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lib/buzhash/buzhash.c b/src/lib/buzhash/buzhash.c
index 3c35f5e..f3ed195 100644
--- a/src/lib/buzhash/buzhash.c
+++ b/src/lib/buzhash/buzhash.c
@@ -25,7 +25,12 @@
 
 #include <string.h>
 
-#define rol32(v,s) (((v) << (s)) | ((v) >> (32 - (s))))
+static uint32_t rol32(uint32_t v, uint32_t s) {
+    s %= 32;
+    if(s == 0)
+        return v;
+    return ((v << s) | (v >> (32 - s)));
+}
 
 const uint32_t buzhash_table[] = {
     0x458be752, 0xc10748cc, 0xfbbcdbb8, 0x6ded5b68,
-- 
2.30.2