From: Karel Zak <kzak@redhat.com>
Date: Wed, 30 Sep 2020 12:35:33 +0000 (+0200)
Subject: lib/buffer: fix end pointer initilaization
X-Git-Tag: v2.37-rc1~452
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c76f79e9793f4c4ba4a137c1c04bd0e5b4e4558f;p=thirdparty%2Futil-linux.git

lib/buffer: fix end pointer initilaization

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/lib/buffer.c b/lib/buffer.c
index a25da0cd76..d3dc243cab 100644
--- a/lib/buffer.c
+++ b/lib/buffer.c
@@ -34,7 +34,7 @@ void ul_buffer_refer_string(struct ul_buffer *buf, char *str)
 		ul_buffer_free_data(buf);
 	buf->begin = str;
 	buf->sz = str ? strlen(str) : 0;
-	buf->end = buf->begin + buf->sz;
+	buf->end = buf->begin ? buf->begin + buf->sz : buf->begin;
 }
 
 int ul_buffer_alloc_data(struct ul_buffer *buf, size_t sz)