Fix missing assertions for native access functions

src/cocoa_monitor.m

@@ -32,6 +32,7 @@
 #include <stdlib.h>
 #include <limits.h>
 #include <math.h>
+#include <assert.h>
 
 #include <IOKit/graphics/IOGraphicsLib.h>
 #include <ApplicationServices/ApplicationServices.h>
@@ -628,6 +629,8 @@ void _glfwSetGammaRampCocoa(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
 GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(kCGNullDirectDisplay);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_COCOA)

src/cocoa_window.m

@@ -30,6 +30,7 @@
 
 #include <float.h>
 #include <string.h>
+#include <assert.h>
 
 // HACK: This enum value is missing from framework headers on OS X 10.11 despite
 //       having been (according to documentation) added in Mac OS X 10.7
@@ -2041,6 +2042,8 @@ VkResult _glfwCreateWindowSurfaceCocoa(VkInstance instance,
 GLFWAPI id glfwGetCocoaWindow(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(nil);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_COCOA)
@@ -2056,6 +2059,8 @@ GLFWAPI id glfwGetCocoaWindow(GLFWwindow* handle)
 GLFWAPI id glfwGetCocoaView(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(nil);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_COCOA)

src/egl_context.c

@@ -909,6 +909,8 @@ GLFWAPI EGLDisplay glfwGetEGLDisplay(void)
 GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_CONTEXT);
 
     if (window->context.source != GLFW_EGL_CONTEXT_API)
@@ -923,6 +925,8 @@ GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle)
 GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_SURFACE);
 
     if (window->context.source != GLFW_EGL_CONTEXT_API)

src/glx_context.c

@@ -678,6 +678,8 @@ GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
 GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)
@@ -698,6 +700,8 @@ GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
 GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(None);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)

src/nsgl_context.m

@@ -30,6 +30,7 @@
 
 #include <unistd.h>
 #include <math.h>
+#include <assert.h>
 
 static void makeContextCurrentNSGL(_GLFWwindow* window)
 {
@@ -362,6 +363,8 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
 GLFWAPI id glfwGetNSGLContext(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(nil);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_COCOA)

src/osmesa_context.c

@@ -370,6 +370,8 @@ GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* handle,
 GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (window->context.source != GLFW_OSMESA_CONTEXT_API)

src/wgl_context.c

@@ -776,6 +776,8 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
 GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WIN32)

src/win32_monitor.c

@@ -33,6 +33,7 @@
 #include <string.h>
 #include <limits.h>
 #include <wchar.h>
+#include <assert.h>
 
 
 // Callback for EnumDisplayMonitors in createMonitor
@@ -540,6 +541,8 @@ void _glfwSetGammaRampWin32(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
 GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WIN32)
@@ -554,6 +557,8 @@ GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* handle)
 GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WIN32)

src/win32_window.c

@@ -32,6 +32,7 @@
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 #include <windowsx.h>
 #include <shellapi.h>
 
@@ -2577,6 +2578,8 @@ VkResult _glfwCreateWindowSurfaceWin32(VkInstance instance,
 GLFWAPI HWND glfwGetWin32Window(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WIN32)

src/wl_monitor.c

@@ -33,6 +33,7 @@
 #include <string.h>
 #include <errno.h>
 #include <math.h>
+#include <assert.h>
 
 #include "wayland-client-protocol.h"
 
@@ -259,6 +260,8 @@ void _glfwSetGammaRampWayland(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
 GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WAYLAND)

src/wl_window.c

@@ -3298,6 +3298,8 @@ GLFWAPI struct wl_display* glfwGetWaylandDisplay(void)
 GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_WAYLAND)

src/x11_monitor.c

@@ -33,6 +33,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <assert.h>
 
 
 // Check whether the display mode should be included in enumeration
@@ -612,6 +613,8 @@ void _glfwSetGammaRampX11(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
 GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(None);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)
@@ -626,6 +629,8 @@ GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* handle)
 GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
+    assert(monitor != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(None);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)

src/x11_window.c

@@ -3303,6 +3303,8 @@ GLFWAPI Display* glfwGetX11Display(void)
 GLFWAPI Window glfwGetX11Window(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window != NULL);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(None);
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)
@@ -3316,6 +3318,8 @@ GLFWAPI Window glfwGetX11Window(GLFWwindow* handle)
 
 GLFWAPI void glfwSetX11SelectionString(const char* string)
 {
+    assert(string != NULL);
+
     _GLFW_REQUIRE_INIT();
 
     if (_glfw.platform.platformID != GLFW_PLATFORM_X11)