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x11: fix xkb_x11_keymap_new_from_device failing when a level name is empty 

The numpad:mac option doesn't specify a name for the first level:

    // On Mac keypads, level 1 and 2 are swapped.
    partial xkb_types "mac" {
        type "KEYPAD" {
            modifiers = None;
            map[None] = Level2;
            level_name[Level2] = "Number";
        };
        include "extra(keypad)"
    };

This means the atom for level name is XCB_ATOM_NONE. We tried to get its
name, which fails. This regressed in 40c00b4721.

Instead, translate it to XKB_ATOM_NONE, same as the previous behavior.

Fixes: https://github.com/xkbcommon/libxkbcommon/issues/229
Signed-off-by: Ran Benita <ran@unusedvar.com>
master
Ran Benita 2021-04-07 10:47:15 +03:00
parent 086353b380
commit 29af25eaa8
1 changed files with 4 additions and 1 deletions
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5
src/x11/util.c
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@ -169,7 +169,10 @@ void
x11_atom_interner_adopt_atom(struct x11_atom_interner *interner,
const xcb_atom_t atom, xkb_atom_t *out)
{
*out = 0;
*out = XKB_ATOM_NONE;
if (atom == XCB_ATOM_NONE)
return;
/* Can be NULL in case the malloc failed. */
struct x11_atom_cache *cache = get_cache(interner->ctx, interner->conn);