Codechange: Silence warnings about intentionally unused parameters.

src/os/windows/crashlog_win.cpp

@@ -98,7 +98,7 @@ class CrashLogWindows : public CrashLog {
 public:
 
 #ifdef WITH_UNOFFICIAL_BREAKPAD
-	static bool MinidumpCallback(const wchar_t *dump_dir, const wchar_t *minidump_id, void *context, EXCEPTION_POINTERS *exinfo, MDRawAssertionInfo *assertion, bool succeeded)
+	static bool MinidumpCallback(const wchar_t *dump_dir, const wchar_t *minidump_id, void *context, EXCEPTION_POINTERS *, MDRawAssertionInfo *, bool succeeded)
 	{
 		CrashLogWindows *crashlog = reinterpret_cast<CrashLogWindows *>(context);
 
@@ -287,7 +287,7 @@ static const uint MAX_FRAMES     = 64;
 	}
 }
 #else
-/* virtual */ void CrashLogWindows::SurveyStacktrace(nlohmann::json &survey) const
+/* virtual */ void CrashLogWindows::SurveyStacktrace(nlohmann::json &) const
 {
 	/* Not supported. */
 }
@@ -380,7 +380,7 @@ static LONG WINAPI VectoredExceptionHandler(EXCEPTION_POINTERS *ep)
 	return EXCEPTION_CONTINUE_SEARCH;
 }
 
-static void CDECL CustomAbort(int signal)
+static void CDECL CustomAbort(int)
 {
 	RaiseException(CUSTOM_ABORT_EXCEPTION, 0, 0, nullptr);
 }
@@ -461,7 +461,7 @@ static void SetWndSize(HWND wnd, int mode)
 	}
 }
 
-static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
+static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM)
 {
 	switch (msg) {
 		case WM_INITDIALOG: {

src/os/windows/font_win32.cpp

@@ -88,7 +88,7 @@ static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXT
 	return 0; // stop enumerating
 }
 
-bool SetFallbackFont(FontCacheSettings *settings, const std::string &language_isocode, int winlangid, MissingGlyphSearcher *callback)
+bool SetFallbackFont(FontCacheSettings *settings, const std::string &, int winlangid, MissingGlyphSearcher *callback)
 {
 	Debug(fontcache, 1, "Trying fallback fonts");
 	EFCParam langInfo;

src/os/windows/win32.cpp

@@ -45,7 +45,7 @@ bool MyShowCursor(bool show, bool toggle)
 	return !show;
 }
 
-void ShowOSErrorBox(const char *buf, bool system)
+void ShowOSErrorBox(const char *buf, bool)
 {
 	MyShowCursor(true);
 	MessageBox(GetActiveWindow(), OTTD2FS(buf).c_str(), L"Error!", MB_ICONSTOP | MB_TASKMODAL);
@@ -190,7 +190,7 @@ void FiosGetDrives(FileList &file_list)
 	}
 }
 
-bool FiosIsValidFile(const std::string &path, const struct dirent *ent, struct stat *sb)
+bool FiosIsValidFile(const std::string &, const struct dirent *ent, struct stat *sb)
 {
 	/* hectonanoseconds between Windows and POSIX epoch */
 	static const int64_t posix_epoch_hns = 0x019DB1DED53E8000LL;
@@ -283,7 +283,7 @@ void CreateConsole()
 static const char *_help_msg;
 
 /** Callback function to handle the window */
-static INT_PTR CALLBACK HelpDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
+static INT_PTR CALLBACK HelpDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM)
 {
 	switch (msg) {
 		case WM_INITDIALOG: {

src/os/windows/win32_main.cpp

@@ -51,7 +51,7 @@ static int ParseCommandLine(char *line, char **argv, int max_argc)
 
 void CreateConsole();
 
-int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+int APIENTRY WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
 {
 	/* Set system timer resolution to 1ms. */
 	timeBeginPeriod(1);