Define some globals

src/core.c

@@ -301,7 +301,7 @@ static int renderOffsetX = 0;                   // Offset X from render area (mu
 static int renderOffsetY = 0;                   // Offset Y from render area (must be divided by 2)
 static bool fullscreen = false;                 // Fullscreen mode (useful only for PLATFORM_DESKTOP)
 static bool alwaysRun = false;                  // Keep window update/draw running on minimized
-static Matrix screenScaling;                    // Matrix to scale screen (framebuffer rendering)
+static Matrix screenScaling = { 0 };            // Matrix to scale screen (framebuffer rendering)
 
 #if defined(PLATFORM_RPI)
 static EGL_DISPMANX_WINDOW_T nativeWindow;      // Native window (graphic device)
@@ -312,7 +312,7 @@ static EGLDisplay display;                      // Native display device (physic
 static EGLSurface surface;                      // Surface to draw on, framebuffers (connected to context)
 static EGLContext context;                      // Graphic context, mode in which drawing can be done
 static EGLConfig config;                        // Graphic config
-static uint64_t baseTime;                       // Base time measure for hi-res timer
+static uint64_t baseTime = 0;                   // Base time measure for hi-res timer
 static bool windowShouldClose = false;          // Flag to set window for closing
 #endif
 
@@ -342,7 +342,7 @@ static int exitKey = KEY_ESCAPE;                // Default exit key (ESC)
 #if defined(PLATFORM_RPI)
 // NOTE: For keyboard we will use the standard input (but reconfigured...)
 static struct termios defaultKeyboardSettings;  // Used to store default keyboard settings
-static int defaultKeyboardMode;                 // Used to store default keyboard mode
+static int defaultKeyboardMode = 0;             // Used to store default keyboard mode
 #endif
 
 // Mouse states
@@ -384,8 +384,8 @@ typedef struct{
     char Tail;
 } KeyEventFifo;
 
-static KeyEventFifo lastKeyPressedEvdev;        // Buffer for holding keydown events as they arrive (Needed due to multitreading of event workers)
+static KeyEventFifo lastKeyPressedEvdev = { 0 }; // Buffer for holding keydown events as they arrive (Needed due to multitreading of event workers)
-static char currentKeyStateEvdev[512] = { 0 };  // Registers current frame key state from event based driver (Needs to be seperate because the legacy console based method clears keys on every frame)
+static char currentKeyStateEvdev[512] = { 0 };   // Registers current frame key state from event based driver (Needs to be seperate because the legacy console based method clears keys on every frame)
 
 #endif
 #if defined(PLATFORM_WEB)

src/rlgl.h

@@ -782,14 +782,14 @@ static DrawCall *draws = NULL;
 static int drawsCounter = 0;
 
 // Default texture (1px white) useful for plain color polys (required by shader)
-static unsigned int defaultTextureId;
+static unsigned int defaultTextureId = 0;
 
 // Default shaders
-static unsigned int defaultVShaderId;       // Default vertex shader id (used by default shader program)
+static unsigned int defaultVShaderId = 0;   // Default vertex shader id (used by default shader program)
-static unsigned int defaultFShaderId;       // Default fragment shader Id (used by default shader program)
+static unsigned int defaultFShaderId = 0;   // Default fragment shader Id (used by default shader program)
 
-static Shader defaultShader;                // Basic shader, support vertex color and diffuse texture
+static Shader defaultShader = { 0 };        // Basic shader, support vertex color and diffuse texture
-static Shader currentShader;                // Shader to be used on rendering (by default, defaultShader)
+static Shader currentShader = { 0 };        // Shader to be used on rendering (by default, defaultShader)
 
 // Extension supported flag: VAO
 static bool vaoSupported = false;           // VAO support (OpenGL ES2 could not support VAO extension)
@@ -827,7 +827,7 @@ static PFNGLDELETEVERTEXARRAYSOESPROC glDeleteVertexArrays;
 #if defined(SUPPORT_VR_SIMULATOR)
 // VR global variables
 static VrStereoConfig vrConfig = { 0 };     // VR stereo configuration for simulator
-static RenderTexture2D stereoFbo;           // VR stereo rendering framebuffer
+static RenderTexture2D stereoFbo = { 0 };   // VR stereo rendering framebuffer
 static bool vrSimulatorReady = false;       // VR simulator ready flag
 static bool vrStereoRender = false;         // VR stereo rendering enabled/disabled flag
                                             // NOTE: This flag is useful to render data over stereo image (i.e. FPS)
@@ -835,11 +835,11 @@ static bool vrStereoRender = false;         // VR stereo rendering enabled/disab
 
 #endif  // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2
 
-static int blendMode = 0;   // Track current blending mode
+static int blendMode = 0;       // Track current blending mode
 
 // Default framebuffer size
-static int screenWidth;     // Default framebuffer width
+static int screenWidth = 0;     // Default framebuffer width
-static int screenHeight;    // Default framebuffer height
+static int screenHeight= 0;     // Default framebuffer height
 
 //----------------------------------------------------------------------------------
 // Module specific Functions Declaration

src/text.c

@@ -74,7 +74,7 @@
 // Global variables
 //----------------------------------------------------------------------------------
 #if defined(SUPPORT_DEFAULT_FONT)
-static Font defaultFont;        // Default font provided by raylib
+static Font defaultFont = { 0 };    // Default font provided by raylib
 // NOTE: defaultFont is loaded on InitWindow and disposed on CloseWindow [module: core]
 #endif
 

src/utils.c

@@ -62,7 +62,7 @@ static int logTypeExit = LOG_ERROR;
 static TraceLogCallback logCallback = NULL;
 
 #if defined(PLATFORM_ANDROID)
-AAssetManager *assetManager;
+AAssetManager *assetManager = NULL;
 #endif
 
 //----------------------------------------------------------------------------------