Mercurial > sdl-ios-xcode
annotate include/SDL_types.h @ 825:618fcc5861c8
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author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 15 Feb 2004 18:45:45 +0000 |
parents | b8d311d90021 |
children | 6104bfff77ba |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2004 Sam Lantinga |
0 | 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 | |
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20 slouken@libsdl.org |
0 | 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__) | |
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50 #if defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_C) || defined(__DECC) |
0 | 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 | |
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57 /* The 64-bit type isn't available on EPOC/Symbian OS */ |
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58 #ifdef __SYMBIAN32__ |
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59 #undef SDL_HAS_64BIT_TYPE |
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60 #endif |
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61 |
0 | 62 /* The 64-bit datatype isn't supported on all platforms */ |
63 #ifdef SDL_HAS_64BIT_TYPE | |
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64 #ifndef H_MMBASIC |
0 | 65 typedef unsigned SDL_HAS_64BIT_TYPE Uint64; |
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66 #endif |
0 | 67 typedef SDL_HAS_64BIT_TYPE Sint64; |
68 #else | |
69 /* This is really just a hack to prevent the compiler from complaining */ | |
70 typedef struct { | |
71 Uint32 hi; | |
72 Uint32 lo; | |
73 } Uint64, Sint64; | |
74 #endif | |
75 | |
76 /* Make sure the types really have the right sizes */ | |
77 #define SDL_COMPILE_TIME_ASSERT(name, x) \ | |
78 typedef int SDL_dummy_ ## name[(x) * 2 - 1] | |
79 | |
80 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); | |
81 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); | |
82 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); | |
83 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); | |
84 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); | |
85 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); | |
86 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); | |
87 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); | |
88 | |
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89 /* Check to make sure enums are the size of ints, for structure packing. |
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90 For both Watcom C/C++ and Borland C/C++ the compiler option that makes |
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91 enums having the size of an int must be enabled. |
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92 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). |
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93 */ |
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94 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ |
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95 #ifdef __MWERKS__ |
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96 #pragma enumsalwaysint on |
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97 #endif |
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98 |
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99 typedef enum { |
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100 DUMMY_ENUM_VALUE |
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101 } SDL_DUMMY_ENUM; |
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102 |
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103 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
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104 |
0 | 105 #undef SDL_COMPILE_TIME_ASSERT |
106 | |
107 /* General keyboard/mouse state definitions */ | |
108 enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 }; | |
109 | |
110 #endif |