48 void z_shell_history_mode_exit(struct shell_history *history)  in z_shell_history_mode_exit()  argument
50 	history->current = NULL;  in z_shell_history_mode_exit()
53 bool z_shell_history_get(struct shell_history *history, bool up,  in z_shell_history_get()  argument
59 	if (sys_dlist_is_empty(&history->list)) {  in z_shell_history_get()
65 		if (history->current == NULL) {  in z_shell_history_get()
72 		l_item = sys_dlist_peek_prev_no_check(&history->list,  in z_shell_history_get()
73 						      history->current);  in z_shell_history_get()
75 		l_item = (history->current == NULL) ?  in z_shell_history_get()
76 		sys_dlist_peek_head_not_empty(&history->list) :  in z_shell_history_get()
77 		sys_dlist_peek_next_no_check(&history->list, history->current);  in z_shell_history_get()
81 	history->current = l_item;  in z_shell_history_get()
95 static void add_to_head(struct shell_history *history,  in add_to_head()  argument
102 	sys_dlist_prepend(&history->list, &item->dnode);  in add_to_head()
106 static bool remove_from_tail(struct shell_history *history)  in remove_from_tail()  argument
112 	if (sys_dlist_is_empty(&history->list)) {  in remove_from_tail()
116 	l_item = sys_dlist_peek_tail(&history->list);  in remove_from_tail()
123 	ring_buf_get(history->ring_buf, NULL, total_len);  in remove_from_tail()
128 void z_shell_history_purge(struct shell_history *history)  in z_shell_history_purge()  argument
130 	while (remove_from_tail(history)) {  in z_shell_history_purge()
134 void z_shell_history_put(struct shell_history *history, uint8_t *line,  in z_shell_history_put()  argument
147 	if (total_len > ring_buf_capacity_get(history->ring_buf)) {  in z_shell_history_put()
151 	z_shell_history_mode_exit(history);  in z_shell_history_put()
157 	l_item = sys_dlist_peek_head(&history->list);  in z_shell_history_put()
168 		if (ring_buf_is_empty(history->ring_buf)) {  in z_shell_history_put()
176 			ring_buf_reset(history->ring_buf);  in z_shell_history_put()
179 		claim_len = ring_buf_put_claim(history->ring_buf,  in z_shell_history_put()
186 				ring_buf_put_claim(history->ring_buf,  in z_shell_history_put()
200 			add_to_head(history, h_item, line, len, padding);  in z_shell_history_put()
201 			ring_buf_put_finish(history->ring_buf, claim_len);  in z_shell_history_put()
205 		ring_buf_put_finish(history->ring_buf, 0);  in z_shell_history_put()
206 		remove_from_tail(history);  in z_shell_history_put()
210 void z_shell_history_init(struct shell_history *history)  in z_shell_history_init()  argument
212 	sys_dlist_init(&history->list);  in z_shell_history_init()
213 	history->current = NULL;  in z_shell_history_init()