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cli: Implement delete-word in cread_line()

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The Ctrl-W option is implemented in the cread_line_simple() but not in
the full version. This seems odd, so add an implementation.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-10-01 19:13:09 -06:00 committed by Tom Rini
parent 6321391ac3
commit dcc18ce0db
1 changed files with 31 additions and 0 deletions
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31
common/cli_readline.c
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@ -89,6 +89,14 @@ static char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */
#define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) #define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1)
static void getcmd_putchars(int count, int ch)
{
int i;
for (i = 0; i < count; i++)
getcmd_putch(ch);
}
static void hist_init(void) static void hist_init(void)
{ {
int i; int i;
@ -337,6 +345,29 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
case CTL_CH('o'): case CTL_CH('o'):
insert = !insert; insert = !insert;
break; break;
case CTL_CH('w'):
if (num) {
uint base;
for (base = num - 1;
base >= 0 && buf[base] == ' ';)
base--;
for (; base > 0 && buf[base - 1] != ' ';)
base--;
/* now delete chars from base to num */
wlen = num - base;
eol_num -= wlen;
memmove(&buf[base], &buf[num],
eol_num - base + 1);
num = base;
getcmd_putchars(wlen, CTL_BACKSPACE);
puts(buf + base);
getcmd_putchars(wlen, ' ');
getcmd_putchars(wlen + eol_num - num,
CTL_BACKSPACE);
}
break;
case CTL_CH('x'): case CTL_CH('x'):
case CTL_CH('u'): case CTL_CH('u'):
BEGINNING_OF_LINE(); BEGINNING_OF_LINE();