Fix a parse bug in IPv6 addresses.

Fixes: #832

Patch by: bz (THANKS!)


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@5705 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/tests/r00832.vtc

+# $Id
+
+test "Regression #832 IPV6 parse bug"
+
+varnish v1 -vcl {
+	backend default {
+		.host = "[::]";
+	}
+}

lib/libvcl/vcc_backend.c

@@ -132,10 +132,10 @@ Emit_Sockaddr(struct vcc *tl, const struct token *t_host, const char *port)
 		vcc_ErrWhere(tl, t_host);
 		return;
 	}
-	if (pop != NULL)
-		error = getaddrinfo(hop, pop, &hint, &res0);
-	else
-		error = getaddrinfo(t_host->dec, port, &hint, &res0);
+	error = getaddrinfo(
+	    hop != NULL ? hop : t_host->dec,
+	    pop != NULL ? pop : port,
+	    &hint, &res0);
 	free(hop);
 	free(pop);
 	if (error) {