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comparison include/SDL_types.h @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 39877400bd1e
comparison
equal deleted inserted replaced
-1:000000000000 0:74212992fb08
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