2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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.
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.
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
25 "@(#) $Id: SDL_types.h,v 1.7 2002/08/21 04:16:31 slouken Exp $";
28 /* General data types used by the SDL library */
33 /* The number of elements in a table */
34 #define SDL_TABLESIZE(table) (sizeof(table)/sizeof(table[0]))
36 /* Basic data types */
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;
48 /* Figure out how to support 64-bit datatypes */
49 #if !defined(__STRICT_ANSI__)
50 #if defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_C)
51 #define SDL_HAS_64BIT_TYPE long long
52 #elif defined(_MSC_VER) /* VC++ */
53 #define SDL_HAS_64BIT_TYPE __int64
55 #endif /* !__STRICT_ANSI__ */
57 /* The 64-bit type isn't available on EPOC/Symbian OS */
59 #undef SDL_HAS_64BIT_TYPE
62 /* The 64-bit datatype isn't supported on all platforms */
63 #ifdef SDL_HAS_64BIT_TYPE
64 typedef unsigned SDL_HAS_64BIT_TYPE Uint64;
65 typedef SDL_HAS_64BIT_TYPE Sint64;
67 /* This is really just a hack to prevent the compiler from complaining */
74 /* Make sure the types really have the right sizes */
75 #define SDL_COMPILE_TIME_ASSERT(name, x) \
76 typedef int SDL_dummy_ ## name[(x) * 2 - 1]
78 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
79 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
80 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
81 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
82 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
83 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
84 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
85 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
87 /* Check to make sure enums are the size of ints, for structure packing.
88 For both Watcom C/C++ and Borland C/C++ the compiler option that makes
89 enums having the size of an int must be enabled.
90 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
96 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
98 #undef SDL_COMPILE_TIME_ASSERT
100 /* General keyboard/mouse state definitions */
101 enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 };