libncurses: Import https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz changes
Change-Id: I3433d30ca01359fd2e3623ede96b531f0b39cbfa
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/ncurses/trace/trace_buf.c b/ncurses/trace/trace_buf.c
index 84a7a0c..91b12e4 100644
--- a/ncurses/trace/trace_buf.c
+++ b/ncurses/trace/trace_buf.c
@@ -1,5 +1,6 @@
/****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
+ * Copyright 2020,2023 Thomas E. Dickey *
+ * Copyright 1998-2011,2012 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -35,7 +36,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: trace_buf.c,v 1.20 2012/02/22 22:34:31 tom Exp $")
+MODULE_ID("$Id: trace_buf.c,v 1.22 2023/06/24 13:37:25 tom Exp $")
#ifdef TRACE
@@ -103,7 +104,11 @@
NCURSES_EXPORT(char *)
_nc_trace_bufcat(int bufnum, const char *value)
{
- char *buffer = _nc_trace_alloc(bufnum, (size_t) 0);
+ char *buffer;
+
+ if (value == NULL)
+ value = "";
+ buffer = _nc_trace_alloc(bufnum, (size_t) 0);
if (buffer != 0) {
size_t have = strlen(buffer);
size_t need = strlen(value) + have;