include/SDL_types.h
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     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 #ifdef SAVE_RCSID
       
    24 static char rcsid =
       
    25  "@(#) $Id$";
       
    26 #endif
       
    27 
       
    28 /* General data types used by the SDL library */
       
    29 
       
    30 #ifndef _SDL_types_h
       
    31 #define _SDL_types_h
       
    32 
       
    33 /* The number of elements in a table */
       
    34 #define SDL_TABLESIZE(table)	(sizeof(table)/sizeof(table[0]))
       
    35 
       
    36 /* Basic data types */
       
    37 typedef enum {
       
    38 	SDL_FALSE = 0,
       
    39 	SDL_TRUE  = 1
       
    40 } SDL_bool;
       
    41 typedef unsigned char	Uint8;
       
    42 typedef signed char	Sint8;
       
    43 typedef unsigned short	Uint16;
       
    44 typedef signed short	Sint16;
       
    45 typedef unsigned int	Uint32;
       
    46 typedef signed int	Sint32;
       
    47 
       
    48 /* Figure out how to support 64-bit datatypes */
       
    49 #if !defined(__STRICT_ANSI__)
       
    50 #if defined(__GNUC__) || defined(__MWERKS__) /* MJS */
       
    51 #define SDL_HAS_64BIT_TYPE	long long
       
    52 #elif defined(_MSC_VER) /* VC++ */
       
    53 #define SDL_HAS_64BIT_TYPE	__int64
       
    54 #endif
       
    55 #endif /* !__STRICT_ANSI__ */
       
    56 
       
    57 /* The 64-bit datatype isn't supported on all platforms */
       
    58 #ifdef SDL_HAS_64BIT_TYPE
       
    59 typedef unsigned SDL_HAS_64BIT_TYPE Uint64;
       
    60 typedef SDL_HAS_64BIT_TYPE Sint64;
       
    61 #else
       
    62 /* This is really just a hack to prevent the compiler from complaining */
       
    63 typedef struct {
       
    64 	Uint32 hi;
       
    65 	Uint32 lo;
       
    66 } Uint64, Sint64;
       
    67 #endif
       
    68 
       
    69 /* Make sure the types really have the right sizes */
       
    70 #define SDL_COMPILE_TIME_ASSERT(name, x)               \
       
    71        typedef int SDL_dummy_ ## name[(x) * 2 - 1]
       
    72 
       
    73 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
       
    74 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
       
    75 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
       
    76 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
       
    77 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
       
    78 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
       
    79 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
       
    80 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
       
    81 
       
    82 #undef SDL_COMPILE_TIME_ASSERT
       
    83 
       
    84 /* General keyboard/mouse state definitions */
       
    85 enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 };
       
    86 
       
    87 #endif