static void history_up(t_tokenline *tl)
{
int entry;
if (tl->hist_step == -1)
entry = history_previous(tl, tl->hist_end);
else
entry = history_previous(tl, tl->hist_step);
if (entry == -1)
return;
line_clear(tl);
set_line(tl, tl->hist_buf + entry);
tl->hist_step = entry;
}
static edit_status
editor_history_previous (rp_input_line *line)
{
const char *entry = history_previous (line->history_id);
if (entry)
{
if (!saved_command)
{
line->buffer[line->length] = '\0';
saved_command = xstrdup (line->buffer);
PRINT_DEBUG (("saved current command line: \'%s\'\n", saved_command));
}
free (line->buffer);
line->buffer = xstrdup (entry);
line->length = strlen (line->buffer);
line->size = line->length + 1;
line->position = line->length;
PRINT_DEBUG (("entry: \'%s\'\n", line->buffer));
}
else
{
PRINT_DEBUG (("- do nothing -\n"));
return EDIT_NO_OP;
}
return EDIT_INSERT;
}
static void history_show(t_tokenline *tl)
{
int entry, i;
/* Skip the 'history' command itself. */
entry = history_previous(tl, tl->hist_end);
for (entry = history_previous(tl, entry); entry != -1;
entry = history_previous(tl, entry)) {
tl->print(tl->user, tl->hist_buf + entry);
/* Did we drop off the end of the buffer? */
for (i = entry; i < TL_MAX_HISTORY_SIZE; i++) {
if (!tl->hist_buf[i])
break;
}
if (i == TL_MAX_HISTORY_SIZE)
/* Yes we did */
tl->print(tl->user, tl->hist_buf);
tl->print(tl->user, NL);
}
}
