Add asserts for public API pointer parameters

src/input.c

@@ -27,6 +27,7 @@
 
 #include "internal.h"
 
+#include <assert.h>
 #include <stdlib.h>
 
 // Internal key state used for sticky keys
@@ -239,6 +240,7 @@ GLFWbool _glfwIsPrintable(int key)
 GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT_OR_RETURN(0);
 
@@ -259,6 +261,7 @@ GLFWAPI int glfwGetInputMode(GLFWwindow* handle, int mode)
 GLFWAPI void glfwSetInputMode(GLFWwindow* handle, int mode, int value)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT();
 
@@ -288,6 +291,7 @@ GLFWAPI const char* glfwGetKeyName(int key, int scancode)
 GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
 
@@ -310,6 +314,7 @@ GLFWAPI int glfwGetKey(GLFWwindow* handle, int key)
 GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_RELEASE);
 
@@ -333,6 +338,7 @@ GLFWAPI int glfwGetMouseButton(GLFWwindow* handle, int button)
 GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     if (xpos)
         *xpos = 0;
@@ -355,6 +361,7 @@ GLFWAPI void glfwGetCursorPos(GLFWwindow* handle, double* xpos, double* ypos)
 GLFWAPI void glfwSetCursorPos(GLFWwindow* handle, double xpos, double ypos)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT();
 
@@ -378,6 +385,8 @@ GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot)
 {
     _GLFWcursor* cursor;
 
+    assert(image);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
 
     cursor = calloc(1, sizeof(_GLFWcursor));
@@ -462,6 +471,7 @@ GLFWAPI void glfwSetCursor(GLFWwindow* windowHandle, GLFWcursor* cursorHandle)
 {
     _GLFWwindow* window = (_GLFWwindow*) windowHandle;
     _GLFWcursor* cursor = (_GLFWcursor*) cursorHandle;
+    assert(window);
 
     _GLFW_REQUIRE_INIT();
 
@@ -473,6 +483,8 @@ GLFWAPI void glfwSetCursor(GLFWwindow* windowHandle, GLFWcursor* cursorHandle)
 GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.key, cbfun);
     return cbfun;
@@ -481,6 +493,8 @@ GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* handle, GLFWkeyfun cbfun)
 GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.character, cbfun);
     return cbfun;
@@ -489,6 +503,8 @@ GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* handle, GLFWcharfun cbfun)
 GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* handle, GLFWcharmodsfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.charmods, cbfun);
     return cbfun;
@@ -498,6 +514,8 @@ GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* handle,
                                                       GLFWmousebuttonfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.mouseButton, cbfun);
     return cbfun;
@@ -507,6 +525,8 @@ GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* handle,
                                                   GLFWcursorposfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.cursorPos, cbfun);
     return cbfun;
@@ -516,6 +536,8 @@ GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* handle,
                                                       GLFWcursorenterfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.cursorEnter, cbfun);
     return cbfun;
@@ -525,6 +547,8 @@ GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle,
                                             GLFWscrollfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.scroll, cbfun);
     return cbfun;
@@ -533,6 +557,8 @@ GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* handle,
 GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* handle, GLFWdropfun cbfun)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     _GLFW_SWAP_POINTERS(window->callbacks.drop, cbfun);
     return cbfun;
@@ -553,6 +579,7 @@ GLFWAPI int glfwJoystickPresent(int joy)
 
 GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
 {
+    assert(count);
     *count = 0;
 
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
@@ -568,6 +595,7 @@ GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count)
 
 GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count)
 {
+    assert(count);
     *count = 0;
 
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
@@ -597,6 +625,10 @@ GLFWAPI const char* glfwGetJoystickName(int joy)
 GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
+    assert(string);
+
     _GLFW_REQUIRE_INIT();
     _glfwPlatformSetClipboardString(window, string);
 }
@@ -604,6 +636,8 @@ GLFWAPI void glfwSetClipboardString(GLFWwindow* handle, const char* string)
 GLFWAPI const char* glfwGetClipboardString(GLFWwindow* handle)
 {
     _GLFWwindow* window = (_GLFWwindow*) handle;
+    assert(window);
+
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
     return _glfwPlatformGetClipboardString(window);
 }