lineedit: do not try to open NULL history file

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index edc0e513c5cd6a06845a8126e69b75e9e3e13f43..59baf23a82838e8d93fbfab1614e2af0fb30bd03 100644 (file)
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -953,7 +953,7 @@ static void remember_in_history(const char *str)
        state->history[i++] = xstrdup(str);
        state->cur_history = i;
        state->cnt_history = i;
-       if (state->flags & SAVE_HISTORY)
+       if ((state->flags & SAVE_HISTORY) && state->hist_file)
                save_history(state->hist_file);
        USE_FEATURE_EDITING_FANCY_PROMPT(num_ok_lines++;)
 }
@@ -1273,7 +1273,7 @@ int read_line_input(const char* prompt, char* command, int maxsize, line_input_t
        /* With null flags, no other fields are ever used */
        state = st ? st : (line_input_t*) &const_int_0;
 #if ENABLE_FEATURE_EDITING_SAVEHISTORY
-       if (state->flags & SAVE_HISTORY)
+       if ((state->flags & SAVE_HISTORY) && state->hist_file)
                load_history(state->hist_file);
 #endif