[PATCH 1/1] winewayland: Handle NULL values for xkb layout name and description.

[Alexandros Frantzis]

From: Alexandros Frantzis

The functions xkb_keymap_layout_get_name() and rxkb_layout_get_description()
can return NULL if the corresponding information is missing.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58585
---
 dlls/winewayland.drv/wayland_keyboard.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/winewayland.drv/wayland_keyboard.c b/dlls/winewayland.drv/wayland_keyboard.c
index 39b42231b00..648b7f9cc2f 100644
--- a/dlls/winewayland.drv/wayland_keyboard.c
+++ b/dlls/winewayland.drv/wayland_keyboard.c
@@ -606,7 +606,8 @@ static BOOL find_xkb_layout_variant(const char *name, const char **layout, const

for (iter = rxkb_layout_first(rxkb_context); iter; iter = rxkb_layout_next(iter))
     {
-        if (!strcmp(name, rxkb_layout_get_description(iter)))
+        const char *desc = rxkb_layout_get_description(iter);
+        if (desc && !strcmp(name, desc))
         {
             *layout = rxkb_layout_get_name(iter);
             *variant = rxkb_layout_get_variant(iter);
@@ -710,7 +711,7 @@ static void keyboard_handle_keymap(void *data, struct wl_keyboard *wl_keyboard,
         char buffer[1024];
         LANGID lang;

-        if (!find_xkb_layout_variant(layout_name, &layout, &variant)) layout = "us";
+        if (!layout_name || !find_xkb_layout_variant(layout_name, &layout, &variant)) layout = "us";
         if (variant) variant_len = strlen(variant);
         layout_len = strlen(layout);