cli: Implement delete-word in cread_line()
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>
diff --git a/common/cli_readline.c b/common/cli_readline.c
index 458e927..687e239 100644
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -89,6 +89,14 @@
#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)
{
int i;
@@ -337,6 +345,29 @@
case CTL_CH('o'):
insert = !insert;
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('u'):
BEGINNING_OF_LINE();