basic fixup of warnings

src/blua/liolib.c

@@ -166,8 +166,10 @@ static int StartsWith(const char *a, const char *b) // this is wolfs being lazy
 
 
 static int io_open (lua_State *L) {
-	const char *filename = luaL_checkstring(L, 1);
-	int pass = 0; int i;
+	const char *Cfilename = luaL_checkstring(L, 1);
+	char *filename = strdup(Cfilename);
+	int pass = 0;
+	size_t i;
 	int length = strlen(filename) - 1;
 	for (i = 0; i < (sizeof (whitelist) / sizeof(const char *)); i++)
 	{

src/d_clisrv.c

@@ -2294,11 +2294,13 @@ static void Command_connect(void)
 			}
 		}
 
-		if (gametype == INT32_MAX)
+#if 0 // gametype will never equal INT32_MAX
+	if (gametype == INT32_MAX)
         {
             CONS_Alert(CONS_ERROR, M_GetText("Invalid gametype %s\n"), COM_Argv(3));
             return;
         }
+#endif
 
         // Goodbye, we're off to host a server
         CV_SetValue(&cv_nextmap, newmapnum);

src/p_mobj.h

@@ -457,5 +457,5 @@ extern INT32 numstarposts;
 
 boolean camera_motionblur;
 INT32 forward_postimgparam;
-boolean P_CheckMotionBlur();
+boolean P_CheckMotionBlur(void);
 void P_SetActiveMotionBlur(boolean active, INT32 param);

src/sdl/i_system.c

@@ -23,7 +23,7 @@
 #ifdef CMAKECONFIG
 #include "config.h"
 #else
-#include "config.h.in"
+#include "../config.h.in"
 #endif
 
 #ifndef _WIN32_WCE

src/sdl/mixer_sound.c

@@ -472,6 +472,8 @@ static void mixmusic_callback(void *udata, Uint8 *stream, int len)
 		music_pos += len/4;
 		music_pos_time = SDL_GetTicks();
 	}
+	(void)udata;
+	(void)stream;
 	//I_OutputMsg("MusicPos: %.3f", music_pos);
 	//HU_DoCEcho(va("MusicPos: %.3f\\Stream: %d\\Length: %i", music_pos,stream,len));
 }

src/sounds.c

@@ -478,7 +478,6 @@ void S_InitRuntimeSounds (void)
 	sfxenum_t i;
 	INT32 value;
 	char soundname[7];
-	char musicname[7];
 
 	for (i = sfx_freeslot0; i <= sfx_lastskinsoundslot; i++)
 	{

src/v_video.c

@@ -2037,8 +2037,8 @@ Unoptimized version
 
 		float cosma = cos(f_angle);
 
-		float xst = (INT32)round((cosma * -hwidth - sinma * -hheight) + hwidth);
-		float yst = (INT32)round((sinma * -hwidth + cosma * -hheight) + hheight);
+		float xst = round((cosma * -hwidth - sinma * -hheight) + hwidth);
+		float yst = round((sinma * -hwidth + cosma * -hheight) + hheight);
 
 		// Fills the empty space with a solid color from palette index
 		memset(screens[4], (UINT8)(31), vid.width*vid.height*vid.bpp);