178 			    vim_free(history[type][j].hisstr);  in init_history()
199     hisptr->hisstr = NULL;  in clear_hist_entry()
224 	if (history[type][i].hisstr == NULL)  in in_history()
229 	p = history[type][i].hisstr;  in in_history()
245 	str = history[type][i].hisstr;  in in_history()
255 	history[type][i].hisstr = str;  in in_history()
319 	    vim_free(hisptr->hisstr);  in add_to_history()
332 	vim_free(hisptr->hisstr);  in add_to_history()
336 	hisptr->hisstr = vim_strnsave(new_entry, len + 2);  in add_to_history()
337 	if (hisptr->hisstr != NULL)  in add_to_history()
338 	    hisptr->hisstr[len + 1] = sep;  in add_to_history()
392 	if (i >= 0 && hist[i].hisnum == num && hist[i].hisstr != NULL)  in calc_hist_idx()
400 	if (hist[i].hisstr != NULL)  in calc_hist_idx()
415 	return history[histype][idx].hisstr;  in get_history_entry()
435 	    vim_free(hisptr->hisstr);  in clr_history()
474 	    if (hisptr->hisstr == NULL)  in del_history_entry()
476 	    if (vim_regexec(&regmatch, hisptr->hisstr, (colnr_T)0))  in del_history_entry()
479 		vim_free(hisptr->hisstr);  in del_history_entry()
495 	if (history[histype][idx].hisstr == NULL)  in del_history_entry()
515     vim_free(history[histype][i].hisstr);  in del_history_idx()
668     p = history[HIST_CMD][i].hisstr;  in remove_key_from_history()
761 		if (hist[i].hisstr != NULL  in ex_history()
767 		    if (vim_strsize(hist[i].hisstr) > (int)Columns - 10)  in ex_history()
768 			trunc_string(hist[i].hisstr, IObuff + STRLEN(IObuff),  in ex_history()
771 			STRCAT(IObuff, hist[i].hisstr);  in ex_history()