include/begin_code.h
author Sam Lantinga <slouken@lokigames.com>
Thu, 26 Apr 2001 16:45:43 +0000
changeset 0 74212992fb08
child 85 60c7960354e0
permissions -rw-r--r--
Initial revision
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
    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 /* Some compilers use a special export keyword */
    35 #ifndef DECLSPEC
    36 # ifdef __BEOS__
    37 #  if defined(__GNUC__)
    38 #   define DECLSPEC	__declspec(dllexport)
    39 #  else
    40 #   define DECLSPEC	__declspec(export)
    41 #  endif
    42 # else
    43 # ifdef WIN32
    44 #  define DECLSPEC	__declspec(dllexport)
    45 # else
    46 #  define DECLSPEC
    47 # endif
    48 # endif
    49 #endif
    50 
    51 /* Force structure packing at 4 byte alignment.
    52    This is necessary if the header is included in code which has structure
    53    packing set to an alternate value, say for loading structures from disk.
    54    The packing is reset to the previous value in close_code.h
    55  */
    56 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__WATCOMC__) || defined(__BORLANDC__)
    57 #ifdef _MSC_VER
    58 #pragma warning(disable: 4103)
    59 #endif
    60 #ifdef __BORLANDC__
    61 #pragma nopackwarning
    62 #endif
    63 #pragma pack(push,4)
    64 #endif /* Compiler needs structure packing set */
    65 
    66 /* Set up compiler-specific options for inlining functions */
    67 #ifndef SDL_INLINE_OKAY
    68 #ifdef __GNUC__
    69 #define SDL_INLINE_OKAY
    70 #else
    71 /* Add any special compiler-specific cases here */
    72 #if !defined(_MSC_VER) && !defined(__MRC__) && !defined(_SGI_SOURCE)
    73 #define __inline__ inline
    74 #define SDL_INLINE_OKAY
    75 #endif /* Not a funky compiler */
    76 #endif /* GNU C */
    77 #endif /* SDL_INLINE_OKAY */
    78 
    79 /* If inlining isn't supported, remove "__inline__", turning static
    80    inlined functions into static functions (resulting in code bloat
    81    in all files which include the offending header files)
    82 */
    83 #ifndef SDL_INLINE_OKAY
    84 #define __inline__
    85 #endif
    86