X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/c2ef5d7e9fc09693770d5d89a6913b47b9d6dbe7..3857519629ca8fbcf3466c3fc761a5bb6ed32d53:/src/src/parse.c

diff --git a/src/src/parse.c b/src/src/parse.c
index bdba3ecd0..ead8751ae 100644
--- a/src/src/parse.c
+++ b/src/src/parse.c
@@ -5,6 +5,7 @@
 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Functions for parsing addresses */
 
@@ -874,26 +875,26 @@ Returns:       pointer to the original string, if no quoting needed, or
 */
 
 const uschar *
-parse_quote_2047(const uschar *string, int len, const uschar *charset,
+parse_quote_2047(const uschar * string, int len, const uschar * charset,
   BOOL fold)
 {
 const uschar * s = string;
-int hlen, l;
+int hlen, line_off;
 BOOL coded = FALSE;
 BOOL first_byte = FALSE;
 gstring * g =
-  string_fmt_append(NULL, "=?%s?Q?", charset ? charset : US"iso-8859-1");
+  string_fmt_append(NULL, "=?%s?Q?%n", charset ? charset : US"iso-8859-1", &hlen);
 
-hlen = l = g->ptr;
+line_off = hlen;
 
 for (s = string; len > 0; s++, len--)
   {
   int ch = *s;
 
-  if (g->ptr - l > 67 && !first_byte)
+  if (g->ptr - line_off > 67 && !first_byte)
     {
     g = fold ? string_catn(g, US"?=\n ", 4) : string_catn(g, US"?= ", 3);
-    l = g->ptr;
+    line_off = g->ptr;
     g = string_catn(g, g->s, hlen);
     }