SPDX: Mass-update to GPL-2.0-or-later

[exim.git] / src / src / debug.c

diff --git a/src/src/debug.c b/src/src/debug.c
index 7b9be057bb08145e703f722990791fe70d5558cd..44ad763e147b25450b260f024965c2df465ed561 100644 (file)
--- a/src/src/debug.c
+++ b/src/src/debug.c
@@ -2,9 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2015 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2015 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include "exim.h"
@@ -322,7 +323,7 @@ if (debug_ptr[-1] == '\n')
 
   if (debug_pretrigger_buf)
     {
-    int needed = Ustrlen(debug_buffer), avail;
+    int needed = Ustrlen(debug_buffer)+1, avail;
     char c;
 
     if (needed > debug_pretrigger_bsize)
@@ -343,6 +344,7 @@ if (debug_ptr[-1] == '\n')
        }
       while (c && c != '\n' && pretrigger_readoff != pretrigger_writeoff);
 
+    needed--;
     for (int i = 0; needed; i++, needed--)
       {
       debug_pretrigger_buf[pretrigger_writeoff] = debug_buffer[i];