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-rw-r--r--libbb/lineedit.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 603bbfc..0d23288 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -2504,6 +2504,44 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
vi_cmdmode = 1;
input_backward(1);
}
+ /* Handle a few ESC-<key> combinations the same way
+ * standard readline bindings (IOW: bash) do.
+ * Often, Alt-<key> generates ESC-<key>.
+ */
+ ic = lineedit_read_key(read_key_buffer, timeout);
+ switch (ic) {
+ //case KEYCODE_LEFT: - bash doesn't do this
+ case 'b':
+ ctrl_left();
+ break;
+ //case KEYCODE_RIGHT: - bash doesn't do this
+ case 'f':
+ ctrl_right();
+ break;
+ //case KEYCODE_DELETE: - bash doesn't do this
+ case 'd': /* Alt-D */
+ {
+ /* Delete word forward */
+ int nc, sc = cursor;
+ ctrl_right();
+ nc = cursor;
+ input_backward(cursor - sc);
+ while (--nc >= cursor)
+ input_delete(1);
+ break;
+ }
+ case '\b': /* Alt-Backspace(?) */
+ case '\x7f': /* Alt-Backspace(?) */
+ //case 'w': - bash doesn't do this
+ {
+ /* Delete word backward */
+ int sc = cursor;
+ ctrl_left();
+ while (sc-- > cursor)
+ input_delete(1);
+ break;
+ }
+ }
break;
#endif /* FEATURE_COMMAND_EDITING_VI */
@@ -2532,9 +2570,11 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
input_backward(1);
break;
case KEYCODE_CTRL_LEFT:
+ case KEYCODE_ALT_LEFT: /* bash doesn't do it */
ctrl_left();
break;
case KEYCODE_CTRL_RIGHT:
+ case KEYCODE_ALT_RIGHT: /* bash doesn't do it */
ctrl_right();
break;
case KEYCODE_HOME: