From 5ff71ace36fb4d2962b5b8f2085aceaf841eaff1 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Wed, 27 Sep 2017 14:42:54 +0200
Subject: rfc2047: blaze822_decode_qp: decode invalid qp-codes as literal

---
 rfc2047.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'rfc2047.c')

diff --git a/rfc2047.c b/rfc2047.c
index 0d5bea5..6d4760a 100644
--- a/rfc2047.c
+++ b/rfc2047.c
@@ -41,9 +41,9 @@ blaze822_decode_qp(char *start, char *stop, char **deco, size_t *decleno, int un
 			unsigned char c2 = s[2];
 			s += 3;
 			if (c1 > 127 || c2 > 127 || hex[c1] < 0 || hex[c2] < 0) {
-				*buf++ = '?';
-				*buf++ = '?';
-				*buf++ = '?';
+				*buf++ = '=';
+				*buf++ = c1;
+				*buf++ = c2;
 				continue;
 			}
 			*buf++ = (hex[c1] << 4) | hex[c2];
-- 
cgit 1.4.1