From: Azat Khuzhin <azat@libevent.org>
Date: Thu, 25 Jun 2020 06:59:35 +0000 (+0300)
Subject: test: do not pass NULL to memcmp() in evbuffer_datacmp() helper
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6f152befb4523fd2e57c1a937e590f8ff87b7f15;p=libevent

test: do not pass NULL to memcmp() in evbuffer_datacmp() helper

Fixes:
  runtime error: null pointer passed as argument 2, which is declared to never be null
---

diff --git a/test/regress_http.c b/test/regress_http.c
index 279dcd4d..4353ca5f 100644
--- a/test/regress_http.c
+++ b/test/regress_http.c
@@ -267,6 +267,8 @@ evbuffer_datacmp(struct evbuffer *buf, const char *s)
 		return -1;
 
 	d = evbuffer_pullup(buf, s_sz);
+	if (!d)
+		d = (unsigned char *)"";
 	if ((r = memcmp(d, s, s_sz)))
 		return r;