sway/input/cursor.c: fix undefined behaviour when event is NULL
@@ -1059,11 +1059,11 @@ uint32_t get_mouse_bindcode(const char *name, char **error) {
const char *event = libevdev_event_code_get_name(EV_KEY, code);
if (!event || strncmp(event, "BTN_", strlen("BTN_")) != 0) {
size_t len = snprintf(NULL, 0, "Event code %d (%s) is not a button",
- code, event) + 1;
+ code, event ? event : "(null)") + 1;
*error = malloc(len);
if (*error) {
snprintf(*error, len, "Event code %d (%s) is not a button",
- code, event);
+ code, event ? event : "(null)");
}
return 0;
}
