include/begin_code.h
author Ryan C. Gordon <icculus@icculus.org>
Thu, 19 Jan 2006 08:43:00 +0000
changeset 1251 86d0d01290ea
parent 1190 173c063d4f55
child 1402 d910939febfa
permissions -rw-r--r--
Updated Windows CE/PocketPC support...adds GAPI driver, landscape mode,
updated project files, VS2005 support, VGA mode, more device support, etc,
etc, etc.

Fixes Bugzilla #47 and #28.

--ryan.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2004 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Library General Public
     7     License as published by the Free Software Foundation; either
     8     version 2 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Library General Public License for more details.
    14 
    15     You should have received a copy of the GNU Library General Public
    16     License along with this library; if not, write to the Free
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 /* This file sets things up for C dynamic library function definitions,
    24    static inlined functions, and structures aligned at 4-byte alignment.
    25    If you don't like ugly C preprocessor code, don't look at this file. :)
    26 */
    27 
    28 /* This shouldn't be nested -- included it around code only. */
    29 #ifdef _begin_code_h
    30 #error Nested inclusion of begin_code.h
    31 #endif
    32 #define _begin_code_h
    33 
    34 /* Make sure the correct platform symbols are defined */
    35 #if !defined(WIN32) && defined(_WIN32)
    36 #define WIN32
    37 #endif /* Windows */
    38 
    39 /* Some compilers use a special export keyword */
    40 #ifndef DECLSPEC
    41 # ifdef __BEOS__
    42 #  if defined(__GNUC__)
    43 #   define DECLSPEC	__declspec(dllexport)
    44 #  else
    45 #   define DECLSPEC	__declspec(export)
    46 #  endif
    47 # else
    48 # ifdef WIN32
    49 #  ifdef __BORLANDC__
    50 #   ifdef BUILD_SDL
    51 #    define DECLSPEC 
    52 #   else
    53 #    define DECLSPEC __declspec(dllimport)
    54 #   endif
    55 #  else
    56 #   define DECLSPEC	__declspec(dllexport)
    57 #  endif
    58 # else
    59 # ifdef __OS2__
    60 #  ifdef __WATCOMC__
    61 #   ifdef BUILD_SDL
    62 #    define DECLSPEC __declspec(dllexport)
    63 #   else
    64 #  define DECLSPEC
    65 # endif
    66 #  else
    67 #   define DECLSPEC
    68 #  endif
    69 # else
    70 #  define DECLSPEC
    71 # endif
    72 # endif
    73 # endif
    74 #endif
    75 
    76 /* By default SDL uses the C calling convention */
    77 #ifndef SDLCALL
    78 #if defined(WIN32) && !defined(__GNUC__)
    79 #define SDLCALL __cdecl
    80 #else
    81 #ifdef __OS2__
    82 /* But on OS/2, we use the _System calling convention */
    83 /* to be compatible with every compiler */
    84 #define SDLCALL _System
    85 #else
    86 #define SDLCALL
    87 #endif
    88 #endif
    89 #endif /* SDLCALL */
    90 
    91 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
    92 #ifdef __SYMBIAN32__ 
    93 #undef DECLSPEC
    94 #define DECLSPEC
    95 #endif /* __SYMBIAN32__ */
    96 
    97 /* Force structure packing at 4 byte alignment.
    98    This is necessary if the header is included in code which has structure
    99    packing set to an alternate value, say for loading structures from disk.
   100    The packing is reset to the previous value in close_code.h
   101  */
   102 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
   103 #ifdef _MSC_VER
   104 #pragma warning(disable: 4103)
   105 #endif
   106 #ifdef __BORLANDC__
   107 #pragma nopackwarning
   108 #endif
   109 #pragma pack(push,4)
   110 #elif (defined(__MWERKS__) && defined(macintosh))
   111 #pragma options align=mac68k4byte
   112 #pragma enumsalwaysint on
   113 #endif /* Compiler needs structure packing set */
   114 
   115 /* Set up compiler-specific options for inlining functions */
   116 #ifndef SDL_INLINE_OKAY
   117 #ifdef __GNUC__
   118 #define SDL_INLINE_OKAY
   119 #else
   120 /* Add any special compiler-specific cases here */
   121 #if defined(_MSC_VER) || defined(__BORLANDC__) || \
   122     defined(__DMC__) || defined(__SC__) || \
   123     defined(__WATCOMC__) || defined(__LCC__) || \
   124     defined(__DECC)
   125 #ifndef __inline__
   126 #define __inline__	__inline
   127 #endif
   128 #define SDL_INLINE_OKAY
   129 #else
   130 #if !defined(__MRC__) && !defined(_SGI_SOURCE)
   131 #define __inline__ inline
   132 #define SDL_INLINE_OKAY
   133 #endif /* Not a funky compiler */
   134 #endif /* Visual C++ */
   135 #endif /* GNU C */
   136 #endif /* SDL_INLINE_OKAY */
   137 
   138 /* If inlining isn't supported, remove "__inline__", turning static
   139    inlined functions into static functions (resulting in code bloat
   140    in all files which include the offending header files)
   141 */
   142 #ifndef SDL_INLINE_OKAY
   143 #define __inline__
   144 #endif
   145 
   146 /* Apparently this is needed by several Windows compilers */
   147 #if !defined(__MACH__)
   148 #ifndef NULL
   149 #ifdef __cplusplus
   150 #define NULL 0
   151 #else
   152 #define NULL ((void *)0)
   153 #endif
   154 #endif /* NULL */
   155 #endif /* ! MacOS X - breaks precompiled headers */