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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org> |
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| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied |
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| 6 | warranty. In no event will the authors be held liable for any damages |
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| 7 | arising from the use of this software. |
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| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, |
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| 10 | including commercial applications, and to alter it and redistribute it |
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| 11 | freely, subject to the following restrictions: |
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| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not |
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| 14 | claim that you wrote the original software. If you use this software |
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| 15 | in a product, an acknowledgment in the product documentation would be |
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| 16 | appreciated but is not required. |
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| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
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| 18 | misrepresented as being the original software. |
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| 19 | 3. This notice may not be removed or altered from any source distribution. |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * \file SDL_stdinc.h |
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| 24 | * |
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| 25 | * This is a general header that includes C language support. |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef SDL_stdinc_h_ |
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| 29 | #define SDL_stdinc_h_ |
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| 30 | |||
| 31 | #include "SDL_config.h" |
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| 32 | |||
| 33 | #ifdef HAVE_SYS_TYPES_H |
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| 34 | #include <sys/types.h> |
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| 35 | #endif |
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| 36 | #ifdef HAVE_STDIO_H |
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| 37 | #include <stdio.h> |
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| 38 | #endif |
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| 39 | #if defined(STDC_HEADERS) |
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| 40 | # include <stdlib.h> |
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| 41 | # include <stddef.h> |
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| 42 | # include <stdarg.h> |
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| 43 | #else |
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| 44 | # if defined(HAVE_STDLIB_H) |
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| 45 | # include <stdlib.h> |
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| 46 | # elif defined(HAVE_MALLOC_H) |
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| 47 | # include <malloc.h> |
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| 48 | # endif |
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| 49 | # if defined(HAVE_STDDEF_H) |
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| 50 | # include <stddef.h> |
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| 51 | # endif |
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| 52 | # if defined(HAVE_STDARG_H) |
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| 53 | # include <stdarg.h> |
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| 54 | # endif |
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| 55 | #endif |
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| 56 | #ifdef HAVE_STRING_H |
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| 57 | # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) |
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| 58 | # include <memory.h> |
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| 59 | # endif |
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| 60 | # include <string.h> |
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| 61 | #endif |
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| 62 | #ifdef HAVE_STRINGS_H |
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| 63 | # include <strings.h> |
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| 64 | #endif |
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| 65 | #ifdef HAVE_WCHAR_H |
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| 66 | # include <wchar.h> |
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| 67 | #endif |
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| 68 | #if defined(HAVE_INTTYPES_H) |
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| 69 | # include <inttypes.h> |
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| 70 | #elif defined(HAVE_STDINT_H) |
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| 71 | # include <stdint.h> |
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| 72 | #endif |
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| 73 | #ifdef HAVE_CTYPE_H |
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| 74 | # include <ctype.h> |
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| 75 | #endif |
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| 76 | #ifdef HAVE_MATH_H |
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| 77 | # if defined(__WINRT__) |
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| 78 | /* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on |
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| 79 | WinRT. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx |
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| 80 | for more information. |
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| 81 | */ |
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| 82 | # define _USE_MATH_DEFINES |
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| 83 | # endif |
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| 84 | # include <math.h> |
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| 85 | #endif |
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| 86 | #ifdef HAVE_FLOAT_H |
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| 87 | # include <float.h> |
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| 88 | #endif |
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| 89 | |||
| 90 | /** |
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| 91 | * The number of elements in an array. |
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| 92 | */ |
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| 93 | #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) |
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| 94 | #define SDL_TABLESIZE(table) SDL_arraysize(table) |
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| 95 | |||
| 96 | /** |
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| 97 | * Macro useful for building other macros with strings in them |
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| 98 | * |
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| 99 | * e.g. #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n") |
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| 100 | */ |
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| 101 | #define SDL_STRINGIFY_ARG(arg) #arg |
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| 102 | |||
| 103 | /** |
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| 104 | * \name Cast operators |
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| 105 | * |
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| 106 | * Use proper C++ casts when compiled as C++ to be compatible with the option |
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| 107 | * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above). |
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| 108 | */ |
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| 109 | /* @{ */ |
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| 110 | #ifdef __cplusplus |
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| 111 | #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression) |
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| 112 | #define SDL_static_cast(type, expression) static_cast<type>(expression) |
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| 113 | #define SDL_const_cast(type, expression) const_cast<type>(expression) |
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| 114 | #else |
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| 115 | #define SDL_reinterpret_cast(type, expression) ((type)(expression)) |
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| 116 | #define SDL_static_cast(type, expression) ((type)(expression)) |
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| 117 | #define SDL_const_cast(type, expression) ((type)(expression)) |
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| 118 | #endif |
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| 119 | /* @} *//* Cast operators */ |
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| 120 | |||
| 121 | /* Define a four character code as a Uint32 */ |
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| 122 | #define SDL_FOURCC(A, B, C, D) \ |
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| 123 | ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \ |
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| 124 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \ |
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| 125 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \ |
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| 126 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24)) |
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| 127 | |||
| 128 | /** |
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| 129 | * \name Basic data types |
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| 130 | */ |
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| 131 | /* @{ */ |
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| 132 | |||
| 133 | #ifdef __CC_ARM |
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| 134 | /* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */ |
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| 135 | #define SDL_FALSE 0 |
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| 136 | #define SDL_TRUE 1 |
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| 137 | typedef int SDL_bool; |
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| 138 | #else |
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| 139 | typedef enum |
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| 140 | { |
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| 141 | SDL_FALSE = 0, |
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| 142 | SDL_TRUE = 1 |
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| 143 | } SDL_bool; |
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| 144 | #endif |
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| 145 | |||
| 146 | /** |
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| 147 | * \brief A signed 8-bit integer type. |
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| 148 | */ |
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| 149 | #define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */ |
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| 150 | #define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */ |
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| 151 | typedef int8_t Sint8; |
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| 152 | /** |
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| 153 | * \brief An unsigned 8-bit integer type. |
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| 154 | */ |
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| 155 | #define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */ |
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| 156 | #define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */ |
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| 157 | typedef uint8_t Uint8; |
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| 158 | /** |
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| 159 | * \brief A signed 16-bit integer type. |
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| 160 | */ |
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| 161 | #define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */ |
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| 162 | #define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */ |
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| 163 | typedef int16_t Sint16; |
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| 164 | /** |
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| 165 | * \brief An unsigned 16-bit integer type. |
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| 166 | */ |
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| 167 | #define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */ |
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| 168 | #define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */ |
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| 169 | typedef uint16_t Uint16; |
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| 170 | /** |
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| 171 | * \brief A signed 32-bit integer type. |
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| 172 | */ |
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| 173 | #define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */ |
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| 174 | #define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */ |
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| 175 | typedef int32_t Sint32; |
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| 176 | /** |
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| 177 | * \brief An unsigned 32-bit integer type. |
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| 178 | */ |
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| 179 | #define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */ |
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| 180 | #define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */ |
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| 181 | typedef uint32_t Uint32; |
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| 182 | |||
| 183 | /** |
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| 184 | * \brief A signed 64-bit integer type. |
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| 185 | */ |
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| 186 | #define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */ |
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| 187 | #define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */ |
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| 188 | typedef int64_t Sint64; |
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| 189 | /** |
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| 190 | * \brief An unsigned 64-bit integer type. |
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| 191 | */ |
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| 192 | #define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */ |
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| 193 | #define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */ |
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| 194 | typedef uint64_t Uint64; |
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| 195 | |||
| 196 | /* @} *//* Basic data types */ |
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| 197 | |||
| 198 | /* Make sure we have macros for printing 64 bit values. |
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| 199 | * <stdint.h> should define these but this is not true all platforms. |
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| 200 | * (for example win32) */ |
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| 201 | #ifndef SDL_PRIs64 |
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| 202 | #ifdef PRIs64 |
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| 203 | #define SDL_PRIs64 PRIs64 |
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| 204 | #elif defined(__WIN32__) |
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| 205 | #define SDL_PRIs64 "I64d" |
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| 206 | #elif defined(__LINUX__) && defined(__LP64__) |
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| 207 | #define SDL_PRIs64 "ld" |
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| 208 | #else |
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| 209 | #define SDL_PRIs64 "lld" |
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| 210 | #endif |
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| 211 | #endif |
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| 212 | #ifndef SDL_PRIu64 |
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| 213 | #ifdef PRIu64 |
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| 214 | #define SDL_PRIu64 PRIu64 |
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| 215 | #elif defined(__WIN32__) |
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| 216 | #define SDL_PRIu64 "I64u" |
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| 217 | #elif defined(__LINUX__) && defined(__LP64__) |
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| 218 | #define SDL_PRIu64 "lu" |
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| 219 | #else |
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| 220 | #define SDL_PRIu64 "llu" |
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| 221 | #endif |
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| 222 | #endif |
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| 223 | #ifndef SDL_PRIx64 |
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| 224 | #ifdef PRIx64 |
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| 225 | #define SDL_PRIx64 PRIx64 |
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| 226 | #elif defined(__WIN32__) |
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| 227 | #define SDL_PRIx64 "I64x" |
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| 228 | #elif defined(__LINUX__) && defined(__LP64__) |
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| 229 | #define SDL_PRIx64 "lx" |
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| 230 | #else |
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| 231 | #define SDL_PRIx64 "llx" |
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| 232 | #endif |
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| 233 | #endif |
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| 234 | #ifndef SDL_PRIX64 |
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| 235 | #ifdef PRIX64 |
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| 236 | #define SDL_PRIX64 PRIX64 |
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| 237 | #elif defined(__WIN32__) |
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| 238 | #define SDL_PRIX64 "I64X" |
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| 239 | #elif defined(__LINUX__) && defined(__LP64__) |
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| 240 | #define SDL_PRIX64 "lX" |
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| 241 | #else |
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| 242 | #define SDL_PRIX64 "llX" |
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| 243 | #endif |
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| 244 | #endif |
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| 245 | |||
| 246 | /* Annotations to help code analysis tools */ |
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| 247 | #ifdef SDL_DISABLE_ANALYZE_MACROS |
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| 248 | #define SDL_IN_BYTECAP(x) |
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| 249 | #define SDL_INOUT_Z_CAP(x) |
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| 250 | #define SDL_OUT_Z_CAP(x) |
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| 251 | #define SDL_OUT_CAP(x) |
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| 252 | #define SDL_OUT_BYTECAP(x) |
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| 253 | #define SDL_OUT_Z_BYTECAP(x) |
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| 254 | #define SDL_PRINTF_FORMAT_STRING |
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| 255 | #define SDL_SCANF_FORMAT_STRING |
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| 256 | #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) |
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| 257 | #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) |
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| 258 | #else |
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| 259 | #if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */ |
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| 260 | #include <sal.h> |
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| 261 | |||
| 262 | #define SDL_IN_BYTECAP(x) _In_bytecount_(x) |
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| 263 | #define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x) |
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| 264 | #define SDL_OUT_Z_CAP(x) _Out_z_cap_(x) |
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| 265 | #define SDL_OUT_CAP(x) _Out_cap_(x) |
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| 266 | #define SDL_OUT_BYTECAP(x) _Out_bytecap_(x) |
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| 267 | #define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x) |
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| 268 | |||
| 269 | #define SDL_PRINTF_FORMAT_STRING _Printf_format_string_ |
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| 270 | #define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_ |
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| 271 | #else |
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| 272 | #define SDL_IN_BYTECAP(x) |
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| 273 | #define SDL_INOUT_Z_CAP(x) |
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| 274 | #define SDL_OUT_Z_CAP(x) |
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| 275 | #define SDL_OUT_CAP(x) |
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| 276 | #define SDL_OUT_BYTECAP(x) |
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| 277 | #define SDL_OUT_Z_BYTECAP(x) |
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| 278 | #define SDL_PRINTF_FORMAT_STRING |
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| 279 | #define SDL_SCANF_FORMAT_STRING |
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| 280 | #endif |
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| 281 | #if defined(__GNUC__) |
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| 282 | #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 ))) |
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| 283 | #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 ))) |
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| 284 | #else |
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| 285 | #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) |
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| 286 | #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) |
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| 287 | #endif |
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| 288 | #endif /* SDL_DISABLE_ANALYZE_MACROS */ |
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| 289 | |||
| 290 | #define SDL_COMPILE_TIME_ASSERT(name, x) \ |
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| 291 | typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1] |
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| 292 | /** \cond */ |
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| 293 | #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
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| 294 | SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); |
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| 295 | SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); |
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| 296 | SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); |
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| 297 | SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); |
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| 298 | SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); |
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| 299 | SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); |
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| 300 | SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); |
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| 301 | SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); |
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| 302 | #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
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| 303 | /** \endcond */ |
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| 304 | |||
| 305 | /* Check to make sure enums are the size of ints, for structure packing. |
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| 306 | For both Watcom C/C++ and Borland C/C++ the compiler option that makes |
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| 307 | enums having the size of an int must be enabled. |
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| 308 | This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). |
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| 309 | */ |
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| 310 | |||
| 311 | /** \cond */ |
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| 312 | #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
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| 313 | #if !defined(__ANDROID__) |
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| 314 | /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */ |
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| 315 | typedef enum |
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| 316 | { |
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| 317 | DUMMY_ENUM_VALUE |
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| 318 | } SDL_DUMMY_ENUM; |
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| 319 | |||
| 320 | SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
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| 321 | #endif |
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| 322 | #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
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| 323 | /** \endcond */ |
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| 324 | |||
| 325 | #include "begin_code.h" |
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| 326 | /* Set up for C function definitions, even when using C++ */ |
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| 327 | #ifdef __cplusplus |
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| 328 | extern "C" { |
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| 329 | #endif |
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| 330 | |||
| 331 | #if defined(HAVE_ALLOCA) && !defined(alloca) |
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| 332 | # if defined(HAVE_ALLOCA_H) |
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| 333 | # include <alloca.h> |
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| 334 | # elif defined(__GNUC__) |
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| 335 | # define alloca __builtin_alloca |
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| 336 | # elif defined(_MSC_VER) |
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| 337 | # include <malloc.h> |
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| 338 | # define alloca _alloca |
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| 339 | # elif defined(__WATCOMC__) |
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| 340 | # include <malloc.h> |
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| 341 | # elif defined(__BORLANDC__) |
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| 342 | # include <malloc.h> |
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| 343 | # elif defined(__DMC__) |
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| 344 | # include <stdlib.h> |
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| 345 | # elif defined(__AIX__) |
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| 346 | #pragma alloca |
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| 347 | # elif defined(__MRC__) |
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| 348 | void *alloca(unsigned); |
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| 349 | # else |
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| 350 | char *alloca(); |
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| 351 | # endif |
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| 352 | #endif |
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| 353 | #ifdef HAVE_ALLOCA |
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| 354 | #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) |
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| 355 | #define SDL_stack_free(data) |
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| 356 | #else |
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| 357 | #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) |
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| 358 | #define SDL_stack_free(data) SDL_free(data) |
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| 359 | #endif |
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| 360 | |||
| 361 | extern DECLSPEC void *SDLCALL SDL_malloc(size_t size); |
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| 362 | extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size); |
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| 363 | extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size); |
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| 364 | extern DECLSPEC void SDLCALL SDL_free(void *mem); |
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| 365 | |||
| 366 | typedef void *(SDLCALL *SDL_malloc_func)(size_t size); |
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| 367 | typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size); |
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| 368 | typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size); |
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| 369 | typedef void (SDLCALL *SDL_free_func)(void *mem); |
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| 370 | |||
| 371 | /** |
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| 372 | * \brief Get the current set of SDL memory functions |
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| 373 | */ |
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| 374 | extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func, |
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| 375 | SDL_calloc_func *calloc_func, |
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| 376 | SDL_realloc_func *realloc_func, |
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| 377 | SDL_free_func *free_func); |
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| 378 | |||
| 379 | /** |
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| 380 | * \brief Replace SDL's memory allocation functions with a custom set |
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| 381 | * |
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| 382 | * \note If you are replacing SDL's memory functions, you should call |
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| 383 | * SDL_GetNumAllocations() and be very careful if it returns non-zero. |
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| 384 | * That means that your free function will be called with memory |
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| 385 | * allocated by the previous memory allocation functions. |
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| 386 | */ |
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| 387 | extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func, |
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| 388 | SDL_calloc_func calloc_func, |
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| 389 | SDL_realloc_func realloc_func, |
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| 390 | SDL_free_func free_func); |
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| 391 | |||
| 392 | /** |
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| 393 | * \brief Get the number of outstanding (unfreed) allocations |
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| 394 | */ |
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| 395 | extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void); |
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| 396 | |||
| 397 | extern DECLSPEC char *SDLCALL SDL_getenv(const char *name); |
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| 398 | extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite); |
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| 399 | |||
| 400 | extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (*compare) (const void *, const void *)); |
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| 401 | |||
| 402 | extern DECLSPEC int SDLCALL SDL_abs(int x); |
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| 403 | |||
| 404 | /* !!! FIXME: these have side effects. You probably shouldn't use them. */ |
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| 405 | /* !!! FIXME: Maybe we do forceinline functions of SDL_mini, SDL_minf, etc? */ |
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| 406 | #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
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| 407 | #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
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| 408 | |||
| 409 | extern DECLSPEC int SDLCALL SDL_isdigit(int x); |
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| 410 | extern DECLSPEC int SDLCALL SDL_isspace(int x); |
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| 411 | extern DECLSPEC int SDLCALL SDL_toupper(int x); |
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| 412 | extern DECLSPEC int SDLCALL SDL_tolower(int x); |
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| 413 | |||
| 414 | extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len); |
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| 415 | |||
| 416 | #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) |
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| 417 | #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) |
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| 418 | |||
| 419 | /* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */ |
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| 420 | SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords) |
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| 421 | { |
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| 422 | #if defined(__GNUC__) && defined(i386) |
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| 423 | int u0, u1, u2; |
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| 424 | __asm__ __volatile__ ( |
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| 425 | "cld \n\t" |
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| 426 | "rep ; stosl \n\t" |
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| 427 | : "=&D" (u0), "=&a" (u1), "=&c" (u2) |
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| 428 | : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords)) |
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| 429 | : "memory" |
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| 430 | ); |
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| 431 | #else |
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| 432 | size_t _n = (dwords + 3) / 4; |
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| 433 | Uint32 *_p = SDL_static_cast(Uint32 *, dst); |
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| 434 | Uint32 _val = (val); |
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| 435 | if (dwords == 0) |
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| 436 | return; |
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| 437 | switch (dwords % 4) |
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| 438 | { |
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| 439 | case 0: do { *_p++ = _val; /* fallthrough */ |
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| 440 | case 3: *_p++ = _val; /* fallthrough */ |
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| 441 | case 2: *_p++ = _val; /* fallthrough */ |
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| 442 | case 1: *_p++ = _val; /* fallthrough */ |
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| 443 | } while ( --_n ); |
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| 444 | } |
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| 445 | #endif |
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| 446 | } |
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| 447 | |||
| 448 | |||
| 449 | extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len); |
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| 450 | |||
| 451 | extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len); |
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| 452 | extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); |
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| 453 | |||
| 454 | extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr); |
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| 455 | extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen); |
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| 456 | extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen); |
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| 457 | extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2); |
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| 458 | |||
| 459 | extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str); |
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| 460 | extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen); |
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| 461 | extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes); |
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| 462 | extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen); |
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| 463 | extern DECLSPEC char *SDLCALL SDL_strdup(const char *str); |
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| 464 | extern DECLSPEC char *SDLCALL SDL_strrev(char *str); |
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| 465 | extern DECLSPEC char *SDLCALL SDL_strupr(char *str); |
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| 466 | extern DECLSPEC char *SDLCALL SDL_strlwr(char *str); |
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| 467 | extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c); |
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| 468 | extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c); |
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| 469 | extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle); |
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| 470 | extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str); |
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| 471 | |||
| 472 | extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix); |
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| 473 | extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix); |
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| 474 | extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix); |
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| 475 | extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix); |
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| 476 | extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix); |
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| 477 | extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix); |
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| 478 | |||
| 479 | extern DECLSPEC int SDLCALL SDL_atoi(const char *str); |
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| 480 | extern DECLSPEC double SDLCALL SDL_atof(const char *str); |
||
| 481 | extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base); |
||
| 482 | extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base); |
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| 483 | extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base); |
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| 484 | extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base); |
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| 485 | extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp); |
||
| 486 | |||
| 487 | extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); |
||
| 488 | extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); |
||
| 489 | extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); |
||
| 490 | extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len); |
||
| 491 | |||
| 492 | extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2); |
||
| 493 | extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, const char *fmt, va_list ap); |
||
| 494 | extern DECLSPEC int SDLCALL SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, ... ) SDL_PRINTF_VARARG_FUNC(3); |
||
| 495 | extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap); |
||
| 496 | |||
| 497 | #ifndef HAVE_M_PI |
||
| 498 | #ifndef M_PI |
||
| 499 | #define M_PI 3.14159265358979323846264338327950288 /**< pi */ |
||
| 500 | #endif |
||
| 501 | #endif |
||
| 502 | |||
| 503 | extern DECLSPEC double SDLCALL SDL_acos(double x); |
||
| 504 | extern DECLSPEC double SDLCALL SDL_asin(double x); |
||
| 505 | extern DECLSPEC double SDLCALL SDL_atan(double x); |
||
| 506 | extern DECLSPEC double SDLCALL SDL_atan2(double x, double y); |
||
| 507 | extern DECLSPEC double SDLCALL SDL_ceil(double x); |
||
| 508 | extern DECLSPEC double SDLCALL SDL_copysign(double x, double y); |
||
| 509 | extern DECLSPEC double SDLCALL SDL_cos(double x); |
||
| 510 | extern DECLSPEC float SDLCALL SDL_cosf(float x); |
||
| 511 | extern DECLSPEC double SDLCALL SDL_fabs(double x); |
||
| 512 | extern DECLSPEC double SDLCALL SDL_floor(double x); |
||
| 513 | extern DECLSPEC double SDLCALL SDL_log(double x); |
||
| 514 | extern DECLSPEC double SDLCALL SDL_pow(double x, double y); |
||
| 515 | extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n); |
||
| 516 | extern DECLSPEC double SDLCALL SDL_sin(double x); |
||
| 517 | extern DECLSPEC float SDLCALL SDL_sinf(float x); |
||
| 518 | extern DECLSPEC double SDLCALL SDL_sqrt(double x); |
||
| 519 | extern DECLSPEC float SDLCALL SDL_sqrtf(float x); |
||
| 520 | extern DECLSPEC double SDLCALL SDL_tan(double x); |
||
| 521 | extern DECLSPEC float SDLCALL SDL_tanf(float x); |
||
| 522 | |||
| 523 | /* The SDL implementation of iconv() returns these error codes */ |
||
| 524 | #define SDL_ICONV_ERROR (size_t)-1 |
||
| 525 | #define SDL_ICONV_E2BIG (size_t)-2 |
||
| 526 | #define SDL_ICONV_EILSEQ (size_t)-3 |
||
| 527 | #define SDL_ICONV_EINVAL (size_t)-4 |
||
| 528 | |||
| 529 | /* SDL_iconv_* are now always real symbols/types, not macros or inlined. */ |
||
| 530 | typedef struct _SDL_iconv_t *SDL_iconv_t; |
||
| 531 | extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, |
||
| 532 | const char *fromcode); |
||
| 533 | extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
||
| 534 | extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, |
||
| 535 | size_t * inbytesleft, char **outbuf, |
||
| 536 | size_t * outbytesleft); |
||
| 537 | /** |
||
| 538 | * This function converts a string between encodings in one pass, returning a |
||
| 539 | * string that must be freed with SDL_free() or NULL on error. |
||
| 540 | */ |
||
| 541 | extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, |
||
| 542 | const char *fromcode, |
||
| 543 | const char *inbuf, |
||
| 544 | size_t inbytesleft); |
||
| 545 | #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) |
||
| 546 | #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1) |
||
| 547 | #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1) |
||
| 548 | |||
| 549 | /* force builds using Clang's static analysis tools to use literal C runtime |
||
| 550 | here, since there are possibly tests that are ineffective otherwise. */ |
||
| 551 | #if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS) |
||
| 552 | #define SDL_malloc malloc |
||
| 553 | #define SDL_calloc calloc |
||
| 554 | #define SDL_realloc realloc |
||
| 555 | #define SDL_free free |
||
| 556 | #define SDL_memset memset |
||
| 557 | #define SDL_memcpy memcpy |
||
| 558 | #define SDL_memmove memmove |
||
| 559 | #define SDL_memcmp memcmp |
||
| 560 | #define SDL_strlen strlen |
||
| 561 | #define SDL_strlcpy strlcpy |
||
| 562 | #define SDL_strlcat strlcat |
||
| 563 | #define SDL_strdup strdup |
||
| 564 | #define SDL_strchr strchr |
||
| 565 | #define SDL_strrchr strrchr |
||
| 566 | #define SDL_strstr strstr |
||
| 567 | #define SDL_strcmp strcmp |
||
| 568 | #define SDL_strncmp strncmp |
||
| 569 | #define SDL_strcasecmp strcasecmp |
||
| 570 | #define SDL_strncasecmp strncasecmp |
||
| 571 | #define SDL_sscanf sscanf |
||
| 572 | #define SDL_vsscanf vsscanf |
||
| 573 | #define SDL_snprintf snprintf |
||
| 574 | #define SDL_vsnprintf vsnprintf |
||
| 575 | #endif |
||
| 576 | |||
| 577 | SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords) |
||
| 578 | { |
||
| 579 | return SDL_memcpy(dst, src, dwords * 4); |
||
| 580 | } |
||
| 581 | |||
| 582 | /* Ends C function definitions when using C++ */ |
||
| 583 | #ifdef __cplusplus |
||
| 584 | } |
||
| 585 | #endif |
||
| 586 | #include "close_code.h" |
||
| 587 | |||
| 588 | #endif /* SDL_stdinc_h_ */ |
||
| 589 | |||
| 590 | /* vi: set ts=4 sw=4 expandtab: */ |