From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 22 Aug 2018 12:50:50 +0000 (+0900)
Subject: strbuf: accept NULL for strbuf_cleanup()
X-Git-Tag: v240~725^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f73fc95ea5e745118a3f05f62a5d73cba871cc42;p=thirdparty%2Fsystemd.git

strbuf: accept NULL for strbuf_cleanup()
---

diff --git a/src/basic/strbuf.c b/src/basic/strbuf.c
index e2ed776a09c..275a012b28a 100644
--- a/src/basic/strbuf.c
+++ b/src/basic/strbuf.c
@@ -66,6 +66,9 @@ void strbuf_complete(struct strbuf *str) {
 
 /* clean up everything */
 void strbuf_cleanup(struct strbuf *str) {
+        if (!str)
+                return;
+
         strbuf_complete(str);
         free(str->buf);
         free(str);