Mercurial > sdl-ios-xcode
annotate include/SDL_types.h @ 912:bc0b95b02235
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 21 Jul 2004 04:53:26 +0000 |
| parents | 6104bfff77ba |
| children | 173c063d4f55 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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Updated copyright information for 2004 (Happy New Year!)
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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; | |
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41 |
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42 #ifdef H_MMBASIC /* mmbasic.h (Tru64 MME) */ |
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43 /* Some of the basic types are already defined in mmbasic.h */ |
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44 typedef signed char Sint8; |
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45 typedef signed short Sint16; |
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46 typedef signed int Sint32; |
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47 #else |
| 0 | 48 typedef unsigned char Uint8; |
| 49 typedef signed char Sint8; | |
| 50 typedef unsigned short Uint16; | |
| 51 typedef signed short Sint16; | |
| 52 typedef unsigned int Uint32; | |
| 53 typedef signed int Sint32; | |
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54 #endif |
| 0 | 55 |
| 56 /* Figure out how to support 64-bit datatypes */ | |
| 57 #if !defined(__STRICT_ANSI__) | |
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58 #ifdef __osf__ /* Tru64 */ |
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59 #define SDL_HAS_64BIT_TYPE long |
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60 #elif defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_C) || defined(__DECC) |
| 0 | 61 #define SDL_HAS_64BIT_TYPE long long |
| 62 #elif defined(_MSC_VER) /* VC++ */ | |
| 63 #define SDL_HAS_64BIT_TYPE __int64 | |
| 64 #endif | |
| 65 #endif /* !__STRICT_ANSI__ */ | |
| 66 | |
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67 /* The 64-bit type isn't available on EPOC/Symbian OS */ |
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68 #ifdef __SYMBIAN32__ |
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69 #undef SDL_HAS_64BIT_TYPE |
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70 #endif |
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71 |
| 0 | 72 /* The 64-bit datatype isn't supported on all platforms */ |
| 73 #ifdef SDL_HAS_64BIT_TYPE | |
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74 #ifndef H_MMBASIC |
| 0 | 75 typedef unsigned SDL_HAS_64BIT_TYPE Uint64; |
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76 #endif |
| 0 | 77 typedef SDL_HAS_64BIT_TYPE Sint64; |
| 78 #else | |
| 79 /* This is really just a hack to prevent the compiler from complaining */ | |
| 80 typedef struct { | |
| 81 Uint32 hi; | |
| 82 Uint32 lo; | |
| 83 } Uint64, Sint64; | |
| 84 #endif | |
| 85 | |
| 86 /* Make sure the types really have the right sizes */ | |
| 87 #define SDL_COMPILE_TIME_ASSERT(name, x) \ | |
| 88 typedef int SDL_dummy_ ## name[(x) * 2 - 1] | |
| 89 | |
| 90 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); | |
| 91 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); | |
| 92 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); | |
| 93 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); | |
| 94 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); | |
| 95 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); | |
| 96 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); | |
| 97 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); | |
| 98 | |
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99 /* Check to make sure enums are the size of ints, for structure packing. |
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100 For both Watcom C/C++ and Borland C/C++ the compiler option that makes |
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101 enums having the size of an int must be enabled. |
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102 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). |
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103 */ |
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104 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ |
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105 #ifdef __MWERKS__ |
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106 #pragma enumsalwaysint on |
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107 #endif |
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108 |
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109 typedef enum { |
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110 DUMMY_ENUM_VALUE |
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111 } SDL_DUMMY_ENUM; |
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112 |
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113 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
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114 |
| 0 | 115 #undef SDL_COMPILE_TIME_ASSERT |
| 116 | |
| 117 /* General keyboard/mouse state definitions */ | |
| 118 enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 }; | |
| 119 | |
| 120 #endif |