GLX: Fix segfault when no GLXFBConfigs available

Fixes #1040.
2026-09-20 08:23:13 +00:00 · 2017-07-07 10:23:58 +02:00
parent 8c0512027f
commit 07bf2b166b
2 changed files with 3 additions and 1 deletions
@@ -64,7 +64,7 @@ static GLFWbool chooseGLXFBConfig(const _GLFWfbconfig* desired, GLXFBConfig* res

    nativeConfigs =
        glXGetFBConfigs(_glfw.x11.display, _glfw.x11.screen, &nativeCount);
-    if (!nativeCount)
+    if (!nativeConfigs || !nativeCount)
    {
        _glfwInputError(GLFW_API_UNAVAILABLE, "GLX: No GLXFBConfigs returned");
        return GLFW_FALSE;