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scummsys.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-2-1/common/scummsys.h $
 * $Id: scummsys.h 52873 2010-09-24 09:05:32Z bluddy $
 *
 */

#ifndef COMMON_SCUMMSYS_H
#define COMMON_SCUMMSYS_H


#if defined(_WIN32_WCE) && _WIN32_WCE < 300
      #define NONSTANDARD_PORT
#endif

#if defined(NONSTANDARD_PORT)

      // Ports which need to perform #includes and #defines visible in
      // virtually all the source of ScummVM should do so by providing a
      // "portdefs.h" header file (and not by directly modifying this
      // header file).
      #include <portdefs.h>
#else // defined(NONSTANDARD_PORT)

      #if defined(WIN32)

            #ifdef _MSC_VER
            // vsnprintf is already defined in Visual Studio 2008
            #if (_MSC_VER < 1500)
                  #define vsnprintf _vsnprintf
            #endif
            #endif

            #if !defined(_WIN32_WCE)

            #define WIN32_LEAN_AND_MEAN         // Exclude rarely-used stuff from Windows headers
            #define NOGDICAPMASKS
            #define OEMRESOURCE
            #define NONLS
            #define NOICONS
            #define NOMCX
            #define NOPROFILER
            #define NOKANJI
            #define NOSERVICE
            #define NOMETAFILE
            #define NOCOMM
            #define NOCRYPT
            #define NOIME
            #define NOATOM
            #define NOCTLMGR
            #define NOCLIPBOARD
            #define NOMEMMGR
            #define NOSYSMETRICS
            #define NOMENUS
            #define NOOPENFILE
            #define NOWH
            #define NOSOUND
            #define NODRAWTEXT

            #endif

            #if defined(ARRAYSIZE)
            // VS2005beta2 introduces new stuff in winnt.h
            #undef ARRAYSIZE
            #endif

      #endif

      #if defined(__QNXNTO__)
      #include <strings.h>    /* For strcasecmp */
      #endif

      #include <stdio.h>
      #include <stdlib.h>
      #include <string.h>
      #include <stdarg.h>
      #include <assert.h>
      #include <ctype.h>
      #include <math.h>

#endif



// Use config.h, generated by configure
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif

// make sure we really are compiling for WIN32
#ifndef WIN32
#undef _MSC_VER
#endif


// In the following we configure various targets, in particular those
// which can't use our "configure" tool and hence don't use config.h.
//
// Some #defines that occur here frequently:
// SCUMM_LITTLE_ENDIAN
//    - Define this on a little endian target
// SCUMM_BIG_ENDIAN
//    - Define this on a big endian target
// SCUMM_NEED_ALIGNMENT
//    - Define this if your system has problems reading e.g. an int32 from an odd address
// SCUMMVM_DONT_DEFINE_TYPES
//    - Define this if you need to provide your own typedefs, e.g. because your
//      system headers conflict with our typenames, or because you have odd
//      type requirements.
// SMALL_SCREEN_DEVICE
//    - ...
// ...

// We define all types in config.h, so we don't want to typedef those types
// here again!
#ifdef HAVE_CONFIG_H
#define SCUMMVM_DONT_DEFINE_TYPES
#endif


//
// By default we try to use pragma push/pop to ensure various structs we use
// are "packed". If your compiler doesn't support this pragma, you are in for
// a problem. If you are lucky, there is a compiler switch, or another pragma,
// doing the same thing -- in that case, try to modify common/pack-begin.h and
// common/pack-end.h accordingly. Or maybe your port simply *always* packs
// everything, in which case you could #undefine SCUMMVM_USE_PRAGMA_PACK.
//
// If neither is possible, tough luck. Try to contact the team, maybe we can
// come up with a solution, though I wouldn't hold my breath on it :-/.
//
#define SCUMMVM_USE_PRAGMA_PACK


#if defined(__SYMBIAN32__)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define SCUMM_LITTLE_ENDIAN
      #define SCUMM_NEED_ALIGNMENT

      #define SMALL_SCREEN_DEVICE

      // Enable Symbians own datatypes
      // This is done for two reasons
      // a) uint is already defined by Symbians libc component
      // b) Symbian is using its "own" datatyping, and the Scummvm port
      //    should follow this to ensure the best compability possible.
      #define SCUMMVM_DONT_DEFINE_TYPES
      typedef unsigned char byte;

      typedef unsigned char uint8;
      typedef signed char int8;

      typedef unsigned short int uint16;
      typedef signed short int int16;

      typedef unsigned long int uint32;
      typedef signed long int int32;

#elif defined(_WIN32_WCE)

      #define scumm_stricmp stricmp
      #define scumm_strnicmp _strnicmp
      #define snprintf _snprintf

      #define SCUMM_LITTLE_ENDIAN

      #ifndef __GNUC__
            #define FORCEINLINE __forceinline
            #define NORETURN_PRE __declspec(noreturn)
      #endif
      #define PLUGIN_EXPORT __declspec(dllexport)

      #if _WIN32_WCE < 300
      #define SMALL_SCREEN_DEVICE
      #endif

#elif defined(_MSC_VER)

      #define scumm_stricmp stricmp
      #define scumm_strnicmp _strnicmp
      #define snprintf _snprintf

      #define SCUMM_LITTLE_ENDIAN

      #define FORCEINLINE __forceinline
      #define NORETURN_PRE __declspec(noreturn)
      #define PLUGIN_EXPORT __declspec(dllexport)


#elif defined(__MINGW32__)

      #define scumm_stricmp stricmp
      #define scumm_strnicmp strnicmp

      #define SCUMM_LITTLE_ENDIAN

      #define PLUGIN_EXPORT __declspec(dllexport)

#elif defined(UNIX)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #ifndef CONFIG_H
            /* need this for the SDL_BYTEORDER define */
            #include <SDL_byteorder.h>

            #if SDL_BYTEORDER == SDL_LIL_ENDIAN
            #define SCUMM_LITTLE_ENDIAN
            #elif SDL_BYTEORDER == SDL_BIG_ENDIAN
            #define SCUMM_BIG_ENDIAN
            #else
            #error Neither SDL_BIG_ENDIAN nor SDL_LIL_ENDIAN is set.
            #endif
      #endif

      // You need to set this manually if necessary
//    #define SCUMM_NEED_ALIGNMENT

      #if defined(__DECCXX) // Assume alpha architecture
      #define INVERSE_MKID
      #define SCUMM_NEED_ALIGNMENT
      #endif

      // Very BAD hack following, used to avoid triggering an assert in uClibc dingux library 
      // "toupper" when pressing keyboard function keys.
      #if defined(DINGUX)
      #undef toupper
      #define toupper(c) (((c & 0xFF) >= 97) && ((c & 0xFF) <= 122) ? ((c & 0xFF) - 32) : (c & 0xFF))
      #endif

#elif defined(__DC__)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define SCUMM_LITTLE_ENDIAN
      #define SCUMM_NEED_ALIGNMENT

#elif defined(__GP32__)

      #define scumm_stricmp stricmp
      #define scumm_strnicmp strnicmp

      #define SCUMM_LITTLE_ENDIAN
      #define SCUMM_NEED_ALIGNMENT

      // Override typenames. uint is already defined by system header files.
      #define SCUMMVM_DONT_DEFINE_TYPES
      typedef unsigned char byte;

      typedef unsigned char uint8;
      typedef signed char int8;

      typedef unsigned short int uint16;
      typedef signed short int int16;

      typedef unsigned long int uint32;
      typedef signed long int int32;

#elif defined(__PLAYSTATION2__)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define SCUMM_LITTLE_ENDIAN
      #define SCUMM_NEED_ALIGNMENT

#elif defined(__N64__)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define SCUMM_BIG_ENDIAN
      #define SCUMM_NEED_ALIGNMENT

      #define STRINGBUFLEN 256

      #define SCUMMVM_DONT_DEFINE_TYPES
      typedef unsigned char byte;

      typedef unsigned char uint8;
      typedef signed char int8;

      typedef unsigned short int uint16;
      typedef signed short int int16;

      typedef unsigned int uint32;
      typedef signed int int32;

      typedef unsigned long long uint64;
      typedef signed long long int64;

#elif defined(__PSP__)

      #include <malloc.h>
      #include "backends/platform/psp/memory.h"

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define     SCUMM_LITTLE_ENDIAN
      #define     SCUMM_NEED_ALIGNMENT
      
      /* to make an efficient, inlined memcpy implementation */
      #define memcpy(dst, src, size)   psp_memcpy(dst, src, size)

#elif defined(__amigaos4__)

      #define     scumm_stricmp strcasecmp
      #define     scumm_strnicmp strncasecmp

      #define     SCUMM_BIG_ENDIAN
      #define     SCUMM_NEED_ALIGNMENT

#elif defined (__DS__)

      #define scumm_stricmp stricmp
      #define scumm_strnicmp strnicmp

      #define SCUMM_NEED_ALIGNMENT
      #define SCUMM_LITTLE_ENDIAN

      #define SCUMMVM_DONT_DEFINE_TYPES

      #define STRINGBUFLEN 256
//    #define printf(fmt, ...)                              consolePrintf(fmt, ##__VA_ARGS__)

#elif defined(__WII__)

      #define scumm_stricmp strcasecmp
      #define scumm_strnicmp strncasecmp

      #define     SCUMM_BIG_ENDIAN
      #define     SCUMM_NEED_ALIGNMENT

#else
      #error No system type defined

#endif


//
// GCC specific stuff
//
#if defined(__GNUC__)
      #define NORETURN_POST __attribute__((__noreturn__))
      #define PACKED_STRUCT __attribute__((__packed__))
      #define GCC_PRINTF(x,y) __attribute__((__format__(printf, x, y)))

      #if !defined(FORCEINLINE) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
            #define FORCEINLINE inline __attribute__((__always_inline__))
      #endif
#else
      #define PACKED_STRUCT
      #define GCC_PRINTF(x,y)
#endif


//
// Fallbacks / default values for various special macros
//
#ifndef FORCEINLINE
#define FORCEINLINE inline
#endif

#ifndef PLUGIN_EXPORT
#define PLUGIN_EXPORT
#endif

#ifndef NORETURN_PRE
#define     NORETURN_PRE
#endif

#ifndef NORETURN_POST
#define     NORETURN_POST
#endif

#ifndef STRINGBUFLEN
#define STRINGBUFLEN 1024
#endif

#ifndef PI
#define PI 3.14159265358979323846
#endif

#ifndef MAXPATHLEN
#define MAXPATHLEN 256
#endif


//
// Typedef our system types unless SCUMMVM_DONT_DEFINE_TYPES is set.
//
#ifndef SCUMMVM_DONT_DEFINE_TYPES
      typedef unsigned char byte;
      typedef unsigned char uint8;
      typedef signed char int8;
      typedef unsigned short uint16;
      typedef signed short int16;
      typedef unsigned int uint32;
      typedef signed int int32;
      typedef unsigned int uint;
#endif



//
// Overlay color type (FIXME: shouldn't be declared here)
//
#if defined(NEWGUI_256)
      // 256 color only on PalmOS
      typedef byte OverlayColor;
#else
      // 15/16 bit color mode everywhere else...
      typedef uint16 OverlayColor;
#endif


#endif

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