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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* General data types used by the SDL library */
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29
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30 #ifndef _SDL_types_h
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31 #define _SDL_types_h
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32
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33 /* The number of elements in a table */
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34 #define SDL_TABLESIZE(table) (sizeof(table)/sizeof(table[0]))
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35
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36 /* Basic data types */
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37 typedef enum {
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38 SDL_FALSE = 0,
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39 SDL_TRUE = 1
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40 } SDL_bool;
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41 typedef unsigned char Uint8;
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42 typedef signed char Sint8;
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43 typedef unsigned short Uint16;
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44 typedef signed short Sint16;
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45 typedef unsigned int Uint32;
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46 typedef signed int Sint32;
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47
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48 /* Figure out how to support 64-bit datatypes */
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49 #if !defined(__STRICT_ANSI__)
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50 #if defined(__GNUC__) || defined(__MWERKS__) /* MJS */
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51 #define SDL_HAS_64BIT_TYPE long long
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52 #elif defined(_MSC_VER) /* VC++ */
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53 #define SDL_HAS_64BIT_TYPE __int64
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54 #endif
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55 #endif /* !__STRICT_ANSI__ */
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56
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57 /* The 64-bit datatype isn't supported on all platforms */
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58 #ifdef SDL_HAS_64BIT_TYPE
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59 typedef unsigned SDL_HAS_64BIT_TYPE Uint64;
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60 typedef SDL_HAS_64BIT_TYPE Sint64;
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61 #else
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62 /* This is really just a hack to prevent the compiler from complaining */
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63 typedef struct {
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64 Uint32 hi;
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65 Uint32 lo;
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66 } Uint64, Sint64;
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67 #endif
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68
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69 /* Make sure the types really have the right sizes */
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70 #define SDL_COMPILE_TIME_ASSERT(name, x) \
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71 typedef int SDL_dummy_ ## name[(x) * 2 - 1]
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72
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73 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
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74 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
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75 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
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76 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
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77 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
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78 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
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79 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
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80 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
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81
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82 #undef SDL_COMPILE_TIME_ASSERT
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83
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84 /* General keyboard/mouse state definitions */
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85 enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 };
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86
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87 #endif
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