cli: Allow history to be disabled

When inputting text outside the command line we don't want history to be
accessible. Add an option to control this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-10-01 19:13:15 -06:00 committed by Tom Rini
parent 657e14da83
commit 8fc041fe4c
2 changed files with 25 additions and 21 deletions

View file

@ -361,32 +361,33 @@ int cread_line_process_ch(struct cli_line_state *cls, char ichar)
break;
case CTL_CH('p'):
case CTL_CH('n'):
{
char *hline;
if (cls->history) {
char *hline;
if (ichar == CTL_CH('p'))
hline = hist_prev();
else
hline = hist_next();
if (ichar == CTL_CH('p'))
hline = hist_prev();
else
hline = hist_next();
if (!hline) {
getcmd_cbeep();
if (!hline) {
getcmd_cbeep();
break;
}
/* nuke the current line */
/* first, go home */
BEGINNING_OF_LINE();
/* erase to end of line */
ERASE_TO_EOL();
/* copy new line into place and display */
strcpy(buf, hline);
cls->eol_num = strlen(buf);
REFRESH_TO_EOL();
break;
}
/* nuke the current line */
/* first, go home */
BEGINNING_OF_LINE();
/* erase to end of line */
ERASE_TO_EOL();
/* copy new line into place and display */
strcpy(buf, hline);
cls->eol_num = strlen(buf);
REFRESH_TO_EOL();
break;
}
case '\t':
if (IS_ENABLED(CONFIG_AUTO_COMPLETE)) {
int num2, col;
@ -438,6 +439,7 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
cls->len = *len;
cls->prompt = prompt;
cls->buf = buf;
cls->history = true;
if (init_len)
cread_add_str(buf, init_len, 1, &cls->num, &cls->eol_num, buf,

View file

@ -31,6 +31,7 @@ struct cli_ch_state {
* @num: Current cursor position, where 0 is the start
* @eol_num: Number of characters in the buffer
* @insert: true if in 'insert' mode
* @history: true if history should be accessible
* @buf: Buffer containing line
* @prompt: Prompt for the line
*/
@ -39,6 +40,7 @@ struct cli_line_state {
uint eol_num;
uint len;
bool insert;
bool history;
char *buf;
const char *prompt;
};