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scripts: menuconfig: proper handling of NULL character as input

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Fixes: #33212

Upstream PR: https://github.com/ulfalizer/Kconfiglib/pull/103

Ignoring when user inputs NULL in a text field.
menuconfig exits with a python stack trace if NULL is provided as input
character, therefore ignore NULL as an input character to prevent this
behaviour.

A NULL character may be given accidentally by the user through the
following ways:
- Pressing `Win` key on keyboard (Windows only)
- Pressing `<CTRL>-@` / `<CTRL>-2`.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
This commit is contained in:
Torsten Rasmussen 2021-03-15 14:55:27 +01:00 committed by Carles Cufí
parent cd465ff8c4
commit d33fc38e09
1 changed files with 6 additions and 0 deletions
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6
scripts/kconfig/menuconfig.py
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@ -1757,6 +1757,9 @@ def _input_dialog(title, initial_text, info_text=None):
_safe_curs_set(0) _safe_curs_set(0)
return None return None
elif c == "\0": # \0 = NUL, ignore
pass
else: else:
s, i, hscroll = _edit_text(c, s, i, hscroll, edit_width()) s, i, hscroll = _edit_text(c, s, i, hscroll, edit_width())
@ -2196,6 +2199,9 @@ def _jump_to_dialog():
elif c == curses.KEY_HOME: elif c == curses.KEY_HOME:
sel_node_i = scroll = 0 sel_node_i = scroll = 0
elif c == "\0": # \0 = NUL, ignore
pass
else: else:
s, s_i, hscroll = _edit_text(c, s, s_i, hscroll, s, s_i, hscroll = _edit_text(c, s, s_i, hscroll,
_width(edit_box) - 2) _width(edit_box) - 2)