X11: Fix missing check for NET_WM_STATE

2018-11-04 10:20:38 +05:30
parent f941ffb1fe
commit be6556c884
1 changed files with 4 additions and 0 deletions
--- a/glfw/x11_window.c
+++ b/glfw/x11_window.c
@@ -2291,6 +2291,10 @@ int _glfwPlatformWindowMaximized(_GLFWwindow* window)
    Atom* states;
    unsigned long i;
    GLFWbool maximized = GLFW_FALSE;
+    if (!_glfw.x11.NET_WM_STATE ||
+            !_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT ||
+            !_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ)
+        return maximized;
    const unsigned long count =
        _glfwGetWindowPropertyX11(window->x11.handle,
                                  _glfw.x11.NET_WM_STATE,