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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 |