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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: SDL_types.h,v 1.2 2001/04/26 16:50:17 hercules Exp $";
  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
  88.