MSVC & Win32 related fixes

common/port.h

@@ -118,6 +118,7 @@ GNU General Public License for more details.
 	#define strncasecmp _strnicmp
 	#define open _open
 	#define read _read
+	#define alloca _alloca
 
 	// shut-up compiler warnings
 	#pragma warning(disable : 4244)	// MIPS

engine/common/lib_common.c

@@ -48,7 +48,7 @@ void *COM_FunctionFromName_SR( void *hInstance, const char *pName )
 const char *COM_OffsetNameForFunction( void *function )
 {
 	static string sname;
-	Q_snprintf( sname, MAX_STRING, "ofs:%d", (int)(void*)(function - (void*)svgame.dllFuncs.pfnGameInit) );
+	Q_snprintf( sname, MAX_STRING, "ofs:%d", (size_t)((byte*)function - (byte*)svgame.dllFuncs.pfnGameInit) );
 	MsgDev( D_NOTE, "COM_OffsetNameForFunction %s\n", sname );
 	return sname;
 }

engine/eiface.h

@@ -390,6 +390,7 @@ typedef struct
 	short		flags;
 } TYPEDESCRIPTION;
 
+#undef ARRAYSIZE
 #define ARRAYSIZE(p)	(sizeof(p)/sizeof(p[0]))
 
 typedef struct playermove_s playermove_t;

engine/platform/win32/win_lib.c

@@ -950,7 +950,7 @@ const char *COM_NameForFunction( void *hInstance, void *function )
 	{
 		index = hInst->ordinals[i];
 
-		if(( function - hInst->funcBase ) == hInst->funcs[index] )
+		if(( (char*)function - (char*)hInst->funcBase ) == hInst->funcs[index] )
 			return hInst->names[i];
 	}
 

game_launch/game.cpp

@@ -36,6 +36,7 @@ GNU General Public License for more details.
 	#else
 		#define XASHLIB "xash_dedicated.dll"
 	#endif
+	#define dlerror() GetStringLastError()
 	#include <windows.h>
 #endif