From 74757c8be30bd620b6e85fc9ac8951143fd3f469 Mon Sep 17 00:00:00 2001
From: Lev Walkin <vlm@lionet.info>
Date: Sat, 2 Jul 2016 23:02:59 -0700
Subject: avoid shifting negative value

---
 skeletons/OBJECT_IDENTIFIER.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/skeletons/OBJECT_IDENTIFIER.c b/skeletons/OBJECT_IDENTIFIER.c
index 36882f91..d0f8b311 100644
--- a/skeletons/OBJECT_IDENTIFIER.c
+++ b/skeletons/OBJECT_IDENTIFIER.c
@@ -162,7 +162,7 @@ OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf, unsigned int arclen, sig
 	if(add) {
 		for(rvbuf -= inc; rvbuf != rvstart; rvbuf -= inc) {
 			int v = add + *rvbuf;
-			if(v & (-1 << CHAR_BIT)) {
+			if(v & ((unsigned)~0 << CHAR_BIT)) {
 				*rvbuf = (unsigned char)(v + (1 << CHAR_BIT));
 				add = -1;
 			} else {
-- 
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