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cli: Allow history to be disabled

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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
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44
common/cli_readline.c
View File

@@ -361,32 +361,33 @@ int cread_line_process_ch(struct cli_line_state *cls, char ichar)
break; break;
case CTL_CH('p'): case CTL_CH('p'):
case CTL_CH('n'): case CTL_CH('n'):
{ if (cls->history) {
char *hline; char *hline;
if (ichar == CTL_CH('p')) if (ichar == CTL_CH('p'))
hline = hist_prev(); hline = hist_prev();
else else
hline = hist_next(); hline = hist_next();
if (!hline) { if (!hline) {
getcmd_cbeep(); 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; 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; break;
}
case '\t': case '\t':
if (IS_ENABLED(CONFIG_AUTO_COMPLETE)) { if (IS_ENABLED(CONFIG_AUTO_COMPLETE)) {
int num2, col; int num2, col;
@@ -438,6 +439,7 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
cls->len = *len; cls->len = *len;
cls->prompt = prompt; cls->prompt = prompt;
cls->buf = buf; cls->buf = buf;
cls->history = true;
if (init_len) if (init_len)
cread_add_str(buf, init_len, 1, &cls->num, &cls->eol_num, buf, cread_add_str(buf, init_len, 1, &cls->num, &cls->eol_num, buf,

2
include/cli.h
View File

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