From be6bbf6056ac6fdedb224646bea6be3c7be15267 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Sun, 8 Oct 2017 21:15:49 +0200
Subject: blaze822: blaze822_addr: ensure strlen is not run on null pointer

Found by Larry Hynes.
---
 blaze822.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'blaze822.c')

diff --git a/blaze822.c b/blaze822.c
index 6434055..dde42f6 100644
--- a/blaze822.c
+++ b/blaze822.c
@@ -232,11 +232,11 @@ startover:
 	}
 
 	char *host = strrchr(addr, '@');
-	ssize_t hlen = strlen(host);
 	char *u;
 	if (host && (u = strpbrk(addr, "()<>[]:;@\\,\"")) && u < host) {
 		// need to "-quote local-part
 
+		ssize_t hlen = strlen(host);
 		char addr2[sizeof addr];
 		char *e = addr2 + sizeof addr2 - 1;
 		char *t;
-- 
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