From: Philipp Takacs <philipp@bureaucracy.de>
Date: Fri, 12 Aug 2016 15:43:05 +0000 (+0200)
Subject: fix bug in decode_rfc2047()
X-Git-Tag: mmh-0.3~6
X-Git-Url: http://git.marmaro.de/?p=mmh;a=commitdiff_plain;h=1afb651874175658357df5a065ebcf49ee28705f

fix bug in decode_rfc2047()

If iconv() returns an error and the source encoding
is utf-8, the character jump has an of by one: the
source string is incresed by one possition more the
the length is decreased.
---

diff --git a/sbr/fmt_rfc2047.c b/sbr/fmt_rfc2047.c
index 4145139..687ea57 100644
--- a/sbr/fmt_rfc2047.c
+++ b/sbr/fmt_rfc2047.c
@@ -318,8 +318,12 @@ decode_rfc2047(char *str, char *dst, size_t dstlen)
 							break;
 						/* skip to next input character */
 						if (fromutf8) {
-							for (start++;(start < q) && ((*start & 192) == 128);start++)
+							inbytes--;
+							start++;
+							while ((start < q) && ((*start & 192) == 128)) {
+								start++;
 								inbytes--;
+							}
 						} else
 							start++, inbytes--;
 						if (start >= q)