diff options
Diffstat (limited to 'ncurses/trace/trace_buf.c')
| -rw-r--r-- | ncurses/trace/trace_buf.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/ncurses/trace/trace_buf.c b/ncurses/trace/trace_buf.c index 7e6384b54153..91b12e45c248 100644 --- a/ncurses/trace/trace_buf.c +++ b/ncurses/trace/trace_buf.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright 2020 Thomas E. Dickey * + * 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 * @@ -36,7 +36,7 @@ #include <curses.priv.h> -MODULE_ID("$Id: trace_buf.c,v 1.21 2020/02/02 23:34:34 tom Exp $") +MODULE_ID("$Id: trace_buf.c,v 1.22 2023/06/24 13:37:25 tom Exp $") #ifdef TRACE @@ -104,7 +104,11 @@ _nc_trace_buf(int bufnum, size_t want) 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; |