From 07f3f6c956e01d30427c502c0af7c66c8441be5c Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 11 Mar 2022 23:35:08 +0100
Subject: [PATCH] Slightly improve behaviour under low memory conditions.

---
 src/lib/emailer.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib/emailer.cc b/src/lib/emailer.cc
index f5812f0c2..f906f5a8b 100644
--- a/src/lib/emailer.cc
+++ b/src/lib/emailer.cc
@@ -161,8 +161,14 @@ Emailer::send (string server, int port, EmailProtocol protocol, string user, str
 			"Content-Disposition: attachment; filename=" + i.name + "\r\n\r\n";
 
 		auto b64 = BIO_new (BIO_f_base64());
+		if (!b64) {
+			throw std::bad_alloc();
+		}
 
 		auto bio = BIO_new (BIO_s_mem());
+		if (!bio) {
+			throw std::bad_alloc();
+		}
 		bio = BIO_push (b64, bio);
 
 		ArrayData data (i.file);
-- 
2.30.2