[host] build with -Wstrict-prototypes

host/CMakeLists.txt

@@ -39,6 +39,7 @@ add_compile_options(
   "-Wall"
   "-Werror"
   "-Wfatal-errors"
+  "$<$<COMPILE_LANGUAGE:C>:-Wstrict-prototypes>"
   "-ffast-math"
   "-fdata-sections"
   "-ffunction-sections"

host/include/interface/capture.h

@@ -96,21 +96,21 @@ typedef struct CaptureInterface
 {
   const char * shortName;
   const bool   asyncCapture;
-  const char * (*getName        )();
-  void         (*initOptions    )();
+  const char * (*getName        )(void);
+  void         (*initOptions    )(void);
 
   bool(*create)(
     CaptureGetPointerBuffer  getPointerBufferFn,
     CapturePostPointerBuffer postPointerBufferFn
   );
 
-  bool          (*init         )();
-  bool          (*start        )();
-  void          (*stop         )();
-  bool          (*deinit       )();
-  void          (*free         )();
+  bool          (*init         )(void);
+  bool          (*start        )(void);
+  void          (*stop         )(void);
+  bool          (*deinit       )(void);
+  void          (*free         )(void);
 
-  CaptureResult (*capture   )();
+  CaptureResult (*capture   )(void);
   CaptureResult (*waitFrame )(CaptureFrame * frame, const size_t maxFrameSize);
   CaptureResult (*getFrame  )(FrameBuffer  * frame, const unsigned int height, int frameIndex);
 }

host/platform/Linux/capture/XCB/src/xcb.c

@@ -64,7 +64,7 @@ static int pointerThread(void * unused);
 
 // forwards
 
-static bool xcb_deinit();
+static bool xcb_deinit(void);
 
 // implementation
 

host/platform/Linux/capture/pipewire/src/pipewire.c

@@ -56,7 +56,7 @@ static struct pipewire * this = NULL;
 
 // forwards
 
-static bool pipewire_deinit();
+static bool pipewire_deinit(void);
 
 // implementation
 

host/platform/Windows/capture/DXGI/src/d3d12.c

@@ -79,7 +79,7 @@ typedef HRESULT (*D3D12GetDebugInterface_t)(
   void   **ppvDebug
 );
 
-static void d3d12_free();
+static void d3d12_free(void);
 
 static bool d3d12_create(struct DXGIInterface * intf)
 {

host/platform/Windows/capture/DXGI/src/dxgi.c

@@ -57,8 +57,8 @@ static struct DXGICopyBackend * backends[] = {
 
 // forwards
 
-static bool          dxgi_deinit();
-static CaptureResult dxgi_releaseFrame();
+static bool          dxgi_deinit(void);
+static CaptureResult dxgi_releaseFrame(void);
 
 // implementation
 

host/platform/Windows/capture/NVFBC/src/wrapper.h

@@ -48,8 +48,8 @@ enum DiffMapBlockSize
   DIFFMAP_BLOCKSIZE_64X64
 };
 
-bool NvFBCInit();
-void NvFBCFree();
+bool NvFBCInit(void);
+void NvFBCFree(void);
 
 bool NvFBCToSysCreate(
   int            adapterIndex,

host/platform/Windows/include/windows/mousehook.h

@@ -21,4 +21,4 @@
 typedef void (*MouseHookFn)(int x, int y);
 
 void mouseHook_install(MouseHookFn callback);
-void mouseHook_remove();
+void mouseHook_remove(void);