Mercurial > sdl-ios-xcode
annotate include/SDL_stdinc.h @ 3034:0e821769fc51
Fixed NULL pointer dereference
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 13 Jan 2009 03:53:22 +0000 |
| parents | 77c3e67f0740 |
| children | bcd41b269091 |
| rev | line source |
|---|---|
| 1357 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 1357 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Lesser General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2.1 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 Lesser General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Lesser General Public | |
| 16 License along with this library; if not, write to the Free Software | |
| 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 | |
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23 /** |
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24 * \file SDL_stdinc.h |
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25 * |
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26 * This is a general header that includes C language support |
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27 */ |
| 1357 | 28 |
| 29 #ifndef _SDL_stdinc_h | |
| 30 #define _SDL_stdinc_h | |
| 31 | |
| 32 #include "SDL_config.h" | |
| 33 | |
| 34 | |
| 1626 | 35 #ifdef HAVE_SYS_TYPES_H |
| 1357 | 36 #include <sys/types.h> |
| 37 #endif | |
| 1626 | 38 #ifdef HAVE_STDIO_H |
| 1357 | 39 #include <stdio.h> |
| 40 #endif | |
| 1626 | 41 #if defined(STDC_HEADERS) |
| 1357 | 42 # include <stdlib.h> |
| 43 # include <stddef.h> | |
| 44 # include <stdarg.h> | |
| 45 #else | |
| 1626 | 46 # if defined(HAVE_STDLIB_H) |
| 47 # include <stdlib.h> | |
| 48 # elif defined(HAVE_MALLOC_H) | |
| 49 # include <malloc.h> | |
| 1357 | 50 # endif |
| 1626 | 51 # if defined(HAVE_STDDEF_H) |
| 52 # include <stddef.h> | |
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53 # endif |
| 1626 | 54 # if defined(HAVE_STDARG_H) |
| 55 # include <stdarg.h> | |
| 1357 | 56 # endif |
| 57 #endif | |
| 1626 | 58 #ifdef HAVE_STRING_H |
| 59 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) | |
| 60 # include <memory.h> | |
| 1357 | 61 # endif |
| 62 # include <string.h> | |
| 63 #endif | |
| 1626 | 64 #ifdef HAVE_STRINGS_H |
| 1357 | 65 # include <strings.h> |
| 66 #endif | |
| 1626 | 67 #if defined(HAVE_INTTYPES_H) |
| 1357 | 68 # include <inttypes.h> |
| 1626 | 69 #elif defined(HAVE_STDINT_H) |
| 1357 | 70 # include <stdint.h> |
| 71 #endif | |
| 1626 | 72 #ifdef HAVE_CTYPE_H |
| 1357 | 73 # include <ctype.h> |
| 74 #endif | |
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75 #ifdef HAVE_MATH_H |
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76 # include <math.h> |
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77 #endif |
| 1626 | 78 #ifdef HAVE_ICONV_H |
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79 # include <iconv.h> |
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80 #endif |
| 1357 | 81 |
| 82 /* The number of elements in an array */ | |
| 83 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) | |
| 84 #define SDL_TABLESIZE(table) SDL_arraysize(table) | |
| 85 | |
| 86 /* Basic data types */ | |
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87 typedef enum SDL_bool |
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88 { |
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89 SDL_FALSE = 0, |
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90 SDL_TRUE = 1 |
| 1357 | 91 } SDL_bool; |
| 92 | |
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93 /** |
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94 * \typedef Sint8 |
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95 * \brief A signed 8-bit integer type. |
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96 */ |
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97 typedef int8_t Sint8; |
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98 /** |
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99 * \typedef Uint8 |
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100 * \brief An unsigned 8-bit integer type. |
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101 */ |
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102 typedef uint8_t Uint8; |
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103 /** |
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104 * \typedef Sint16 |
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105 * \brief A signed 16-bit integer type. |
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106 */ |
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107 typedef int16_t Sint16; |
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108 /** |
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109 * \typedef Uint16 |
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110 * \brief An unsigned 16-bit integer type. |
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111 */ |
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112 typedef uint16_t Uint16; |
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113 /** |
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114 * \typedef Sint32 |
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115 * \brief A signed 32-bit integer type. |
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116 */ |
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117 typedef int32_t Sint32; |
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118 /** |
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119 * \typedef Uint32 |
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120 * \brief An unsigned 32-bit integer type. |
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121 */ |
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122 typedef uint32_t Uint32; |
| 1357 | 123 |
| 124 #ifdef SDL_HAS_64BIT_TYPE | |
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125 /** |
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126 * \typedef Sint64 |
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127 * \brief A signed 64-bit integer type. |
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128 * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32! |
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129 */ |
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130 typedef int64_t Sint64; |
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131 /** |
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132 * \typedef Uint64 |
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133 * \brief An unsigned 64-bit integer type. |
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134 * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32! |
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135 */ |
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136 typedef uint64_t Uint64; |
| 1357 | 137 #else |
| 138 /* This is really just a hack to prevent the compiler from complaining */ | |
| 2048 | 139 typedef Sint32 Sint64; |
| 140 typedef Uint32 Uint64; | |
| 1357 | 141 #endif |
| 142 | |
| 143 /* Make sure the types really have the right sizes */ | |
| 144 #define SDL_COMPILE_TIME_ASSERT(name, x) \ | |
| 145 typedef int SDL_dummy_ ## name[(x) * 2 - 1] | |
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146 #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
| 1357 | 147 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); |
| 148 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); | |
| 149 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); | |
| 150 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); | |
| 151 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); | |
| 152 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); | |
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153 #ifndef __NINTENDODS__ /* TODO: figure out why the following happens: |
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154 include/SDL_stdinc.h:150: error: size of array 'SDL_dummy_uint64' is negative |
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155 include/SDL_stdinc.h:151: error: size of array 'SDL_dummy_sint64' is negative */ |
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156 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); |
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157 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); |
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158 #endif |
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159 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
| 1357 | 160 |
| 161 /* Check to make sure enums are the size of ints, for structure packing. | |
| 162 For both Watcom C/C++ and Borland C/C++ the compiler option that makes | |
| 163 enums having the size of an int must be enabled. | |
| 164 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). | |
| 165 */ | |
| 166 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ | |
| 167 #ifdef __MWERKS__ | |
| 168 #pragma enumsalwaysint on | |
| 169 #endif | |
| 170 | |
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171 #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
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172 #ifndef __NINTENDODS__ /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */ |
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173 typedef enum |
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174 { |
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175 DUMMY_ENUM_VALUE |
| 1357 | 176 } SDL_DUMMY_ENUM; |
| 177 | |
| 178 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); | |
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179 #endif |
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180 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
| 1357 | 181 |
| 182 #include "begin_code.h" | |
| 183 /* Set up for C function definitions, even when using C++ */ | |
| 184 #ifdef __cplusplus | |
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185 /* *INDENT-OFF* */ |
| 1357 | 186 extern "C" { |
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187 /* *INDENT-ON* */ |
| 1357 | 188 #endif |
| 189 | |
| 1626 | 190 #ifdef HAVE_MALLOC |
| 1357 | 191 #define SDL_malloc malloc |
| 192 #else | |
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193 extern DECLSPEC void *SDLCALL SDL_malloc(size_t size); |
| 1357 | 194 #endif |
| 195 | |
| 1626 | 196 #ifdef HAVE_CALLOC |
| 1357 | 197 #define SDL_calloc calloc |
| 198 #else | |
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199 extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size); |
| 1357 | 200 #endif |
| 201 | |
| 1626 | 202 #ifdef HAVE_REALLOC |
| 1357 | 203 #define SDL_realloc realloc |
| 204 #else | |
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205 extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size); |
| 1357 | 206 #endif |
| 207 | |
| 1626 | 208 #ifdef HAVE_FREE |
| 1357 | 209 #define SDL_free free |
| 210 #else | |
| 211 extern DECLSPEC void SDLCALL SDL_free(void *mem); | |
| 212 #endif | |
| 213 | |
| 1626 | 214 #if defined(HAVE_ALLOCA) && !defined(alloca) |
| 215 # if defined(HAVE_ALLOCA_H) | |
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216 # include <alloca.h> |
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217 # elif defined(__GNUC__) |
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218 # define alloca __builtin_alloca |
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219 # elif defined(_MSC_VER) |
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220 # include <malloc.h> |
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221 # define alloca _alloca |
| 1769 | 222 # elif defined(__WATCOMC__) |
| 223 # include <malloc.h> | |
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224 # elif defined(__BORLANDC__) |
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225 # include <malloc.h> |
| 1870 | 226 # elif defined(__DMC__) |
| 227 # include <stdlib.h> | |
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228 # elif defined(__AIX__) |
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229 #pragma alloca |
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230 # elif defined(__MRC__) |
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231 void *alloca(unsigned); |
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232 # else |
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233 char *alloca(); |
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234 # endif |
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235 #endif |
| 1626 | 236 #ifdef HAVE_ALLOCA |
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237 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) |
| 1357 | 238 #define SDL_stack_free(data) |
| 239 #else | |
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240 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) |
| 1357 | 241 #define SDL_stack_free(data) SDL_free(data) |
| 242 #endif | |
| 243 | |
| 1626 | 244 #ifdef HAVE_GETENV |
| 1357 | 245 #define SDL_getenv getenv |
| 246 #else | |
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247 extern DECLSPEC char *SDLCALL SDL_getenv(const char *name); |
| 1357 | 248 #endif |
| 249 | |
| 1626 | 250 #ifdef HAVE_PUTENV |
| 1357 | 251 #define SDL_putenv putenv |
| 252 #else | |
| 253 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); | |
| 254 #endif | |
| 255 | |
| 1626 | 256 #ifdef HAVE_QSORT |
| 1357 | 257 #define SDL_qsort qsort |
| 258 #else | |
| 259 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, | |
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260 int (*compare) (const void *, |
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261 const void *)); |
| 1357 | 262 #endif |
| 263 | |
| 1626 | 264 #ifdef HAVE_ABS |
| 1357 | 265 #define SDL_abs abs |
| 266 #else | |
| 267 #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) | |
| 268 #endif | |
| 269 | |
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270 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
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271 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
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272 |
| 1626 | 273 #ifdef HAVE_CTYPE_H |
| 1357 | 274 #define SDL_isdigit(X) isdigit(X) |
| 275 #define SDL_isspace(X) isspace(X) | |
| 276 #define SDL_toupper(X) toupper(X) | |
| 277 #define SDL_tolower(X) tolower(X) | |
| 278 #else | |
| 279 #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) | |
| 280 #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) | |
| 281 #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) | |
| 282 #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) | |
| 283 #endif | |
| 284 | |
| 1626 | 285 #ifdef HAVE_MEMSET |
| 1357 | 286 #define SDL_memset memset |
| 287 #else | |
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288 extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len); |
| 1357 | 289 #endif |
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290 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) |
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291 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) |
| 1357 | 292 |
| 2157 | 293 #if defined(__GNUC__) && defined(i386) |
| 1357 | 294 #define SDL_memset4(dst, val, len) \ |
| 295 do { \ | |
| 296 int u0, u1, u2; \ | |
| 297 __asm__ __volatile__ ( \ | |
| 298 "cld\n\t" \ | |
| 299 "rep ; stosl\n\t" \ | |
| 300 : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ | |
| 301 : "0" (dst), "1" (val), "2" ((Uint32)(len)) \ | |
| 302 : "memory" ); \ | |
| 303 } while(0) | |
| 304 #endif | |
| 305 #ifndef SDL_memset4 | |
| 306 #define SDL_memset4(dst, val, len) \ | |
| 307 do { \ | |
| 308 unsigned _count = (len); \ | |
| 309 unsigned _n = (_count + 3) / 4; \ | |
| 310 Uint32 *_p = (Uint32 *)(dst); \ | |
| 311 Uint32 _val = (val); \ | |
| 312 switch (_count % 4) { \ | |
| 313 case 0: do { *_p++ = _val; \ | |
| 314 case 3: *_p++ = _val; \ | |
| 315 case 2: *_p++ = _val; \ | |
| 316 case 1: *_p++ = _val; \ | |
| 317 } while ( --_n ); \ | |
| 318 } \ | |
| 319 } while(0) | |
| 320 #endif | |
| 321 | |
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322 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
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323 #if defined(__MACH__) && defined(__APPLE__) |
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324 #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) |
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325 #elif defined(__GNUC__) && defined(i386) |
| 1357 | 326 #define SDL_memcpy(dst, src, len) \ |
| 327 do { \ | |
| 328 int u0, u1, u2; \ | |
| 329 __asm__ __volatile__ ( \ | |
| 330 "cld\n\t" \ | |
| 331 "rep ; movsl\n\t" \ | |
| 332 "testb $2,%b4\n\t" \ | |
| 333 "je 1f\n\t" \ | |
| 334 "movsw\n" \ | |
| 335 "1:\ttestb $1,%b4\n\t" \ | |
| 336 "je 2f\n\t" \ | |
| 337 "movsb\n" \ | |
| 338 "2:" \ | |
| 339 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
| 340 : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ | |
| 341 : "memory" ); \ | |
| 342 } while(0) | |
| 343 #endif | |
| 344 #ifndef SDL_memcpy | |
| 1626 | 345 #ifdef HAVE_MEMCPY |
| 1357 | 346 #define SDL_memcpy memcpy |
| 1626 | 347 #elif defined(HAVE_BCOPY) |
| 1357 | 348 #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) |
| 349 #else | |
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350 extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src, |
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351 size_t len); |
| 1357 | 352 #endif |
| 353 #endif | |
| 354 | |
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355 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
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356 #if defined(__MACH__) && defined(__APPLE__) |
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357 #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) |
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358 #elif defined(__GNUC__) && defined(i386) |
| 1357 | 359 #define SDL_memcpy4(dst, src, len) \ |
| 360 do { \ | |
| 361 int ecx, edi, esi; \ | |
| 362 __asm__ __volatile__ ( \ | |
| 363 "cld\n\t" \ | |
| 364 "rep ; movsl" \ | |
| 365 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ | |
| 366 : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ | |
| 367 : "memory" ); \ | |
| 368 } while(0) | |
| 369 #endif | |
| 370 #ifndef SDL_memcpy4 | |
| 371 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) | |
| 372 #endif | |
| 373 | |
| 374 #if defined(__GNUC__) && defined(i386) | |
| 375 #define SDL_revcpy(dst, src, len) \ | |
| 376 do { \ | |
| 377 int u0, u1, u2; \ | |
| 378 char *dstp = (char *)(dst); \ | |
| 379 char *srcp = (char *)(src); \ | |
| 380 int n = (len); \ | |
| 381 if ( n >= 4 ) { \ | |
| 382 __asm__ __volatile__ ( \ | |
| 383 "std\n\t" \ | |
| 384 "rep ; movsl\n\t" \ | |
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385 "cld\n\t" \ |
| 1357 | 386 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
| 387 : "0" (n >> 2), \ | |
| 388 "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ | |
| 389 : "memory" ); \ | |
| 390 } \ | |
| 391 switch (n & 3) { \ | |
| 392 case 3: dstp[2] = srcp[2]; \ | |
| 393 case 2: dstp[1] = srcp[1]; \ | |
| 394 case 1: dstp[0] = srcp[0]; \ | |
| 395 break; \ | |
| 396 default: \ | |
| 397 break; \ | |
| 398 } \ | |
| 399 } while(0) | |
| 400 #endif | |
| 401 #ifndef SDL_revcpy | |
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402 extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src, |
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403 size_t len); |
| 1357 | 404 #endif |
| 405 | |
| 1626 | 406 #ifdef HAVE_MEMMOVE |
| 1357 | 407 #define SDL_memmove memmove |
| 1626 | 408 #elif defined(HAVE_BCOPY) |
| 1357 | 409 #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) |
| 410 #else | |
| 411 #define SDL_memmove(dst, src, len) \ | |
| 412 do { \ | |
| 413 if ( dst < src ) { \ | |
| 414 SDL_memcpy(dst, src, len); \ | |
| 415 } else { \ | |
| 416 SDL_revcpy(dst, src, len); \ | |
| 417 } \ | |
| 418 } while(0) | |
| 419 #endif | |
| 420 | |
| 1626 | 421 #ifdef HAVE_MEMCMP |
| 1357 | 422 #define SDL_memcmp memcmp |
| 423 #else | |
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424 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, |
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425 size_t len); |
| 1357 | 426 #endif |
| 427 | |
| 1626 | 428 #ifdef HAVE_STRLEN |
| 1357 | 429 #define SDL_strlen strlen |
| 430 #else | |
| 431 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); | |
| 432 #endif | |
| 433 | |
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434 #ifdef HAVE_WCSLEN |
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435 #define SDL_wcslen wcslen |
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436 #else |
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437 #if !defined(wchar_t) && defined(__NINTENDODS__) |
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438 #define wchar_t short /* TODO: figure out why libnds doesn't have this */ |
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439 #endif |
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440 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string); |
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441 #endif |
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442 |
| 1626 | 443 #ifdef HAVE_STRLCPY |
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444 #define SDL_strlcpy strlcpy |
| 1357 | 445 #else |
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446 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, |
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447 size_t maxlen); |
| 1357 | 448 #endif |
| 449 | |
| 1626 | 450 #ifdef HAVE_STRLCAT |
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451 #define SDL_strlcat strlcat |
| 1357 | 452 #else |
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453 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, |
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454 size_t maxlen); |
| 1357 | 455 #endif |
| 456 | |
| 1626 | 457 #ifdef HAVE_STRDUP |
| 1357 | 458 #define SDL_strdup strdup |
| 459 #else | |
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460 extern DECLSPEC char *SDLCALL SDL_strdup(const char *string); |
| 1357 | 461 #endif |
| 462 | |
| 1626 | 463 #ifdef HAVE__STRREV |
| 1357 | 464 #define SDL_strrev _strrev |
| 465 #else | |
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466 extern DECLSPEC char *SDLCALL SDL_strrev(char *string); |
| 1357 | 467 #endif |
| 468 | |
| 1626 | 469 #ifdef HAVE__STRUPR |
| 1357 | 470 #define SDL_strupr _strupr |
| 471 #else | |
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472 extern DECLSPEC char *SDLCALL SDL_strupr(char *string); |
| 1357 | 473 #endif |
| 474 | |
| 1626 | 475 #ifdef HAVE__STRLWR |
| 1357 | 476 #define SDL_strlwr _strlwr |
| 477 #else | |
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478 extern DECLSPEC char *SDLCALL SDL_strlwr(char *string); |
| 1357 | 479 #endif |
| 480 | |
| 1626 | 481 #ifdef HAVE_STRCHR |
| 1357 | 482 #define SDL_strchr strchr |
| 1626 | 483 #elif defined(HAVE_INDEX) |
| 1357 | 484 #define SDL_strchr index |
| 485 #else | |
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486 extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c); |
| 1357 | 487 #endif |
| 488 | |
| 1626 | 489 #ifdef HAVE_STRRCHR |
| 1357 | 490 #define SDL_strrchr strrchr |
| 1626 | 491 #elif defined(HAVE_RINDEX) |
| 1357 | 492 #define SDL_strrchr rindex |
| 493 #else | |
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494 extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c); |
| 1357 | 495 #endif |
| 496 | |
| 1626 | 497 #ifdef HAVE_STRSTR |
| 1357 | 498 #define SDL_strstr strstr |
| 499 #else | |
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500 extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, |
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501 const char *needle); |
| 1357 | 502 #endif |
| 503 | |
| 1626 | 504 #ifdef HAVE_ITOA |
| 1357 | 505 #define SDL_itoa itoa |
| 506 #else | |
| 507 #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) | |
| 508 #endif | |
| 509 | |
| 1626 | 510 #ifdef HAVE__LTOA |
| 1357 | 511 #define SDL_ltoa _ltoa |
| 512 #else | |
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513 extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix); |
| 1357 | 514 #endif |
| 515 | |
| 1626 | 516 #ifdef HAVE__UITOA |
| 1357 | 517 #define SDL_uitoa _uitoa |
| 518 #else | |
| 519 #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) | |
| 520 #endif | |
| 521 | |
| 1626 | 522 #ifdef HAVE__ULTOA |
| 1357 | 523 #define SDL_ultoa _ultoa |
| 524 #else | |
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525 extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string, |
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526 int radix); |
| 1357 | 527 #endif |
| 528 | |
| 1626 | 529 #ifdef HAVE_STRTOL |
| 1357 | 530 #define SDL_strtol strtol |
| 531 #else | |
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532 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, |
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533 int base); |
| 1357 | 534 #endif |
| 535 | |
| 1626 | 536 #ifdef HAVE_STRTOUL |
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537 #define SDL_strtoul strtoul |
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538 #else |
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539 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, |
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540 char **endp, int base); |
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541 #endif |
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542 |
| 1626 | 543 #ifdef SDL_HAS_64BIT_TYPE |
| 1357 | 544 |
| 1626 | 545 #ifdef HAVE__I64TOA |
| 1357 | 546 #define SDL_lltoa _i64toa |
| 547 #else | |
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548 extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string, |
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549 int radix); |
| 1357 | 550 #endif |
| 551 | |
| 1626 | 552 #ifdef HAVE__UI64TOA |
| 1357 | 553 #define SDL_ulltoa _ui64toa |
| 554 #else | |
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555 extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string, |
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556 int radix); |
| 1357 | 557 #endif |
| 558 | |
| 1626 | 559 #ifdef HAVE_STRTOLL |
| 1357 | 560 #define SDL_strtoll strtoll |
| 561 #else | |
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562 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, |
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563 int base); |
| 1357 | 564 #endif |
| 565 | |
| 1626 | 566 #ifdef HAVE_STRTOULL |
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567 #define SDL_strtoull strtoull |
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568 #else |
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569 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, |
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570 int base); |
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571 #endif |
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572 |
| 1357 | 573 #endif /* SDL_HAS_64BIT_TYPE */ |
| 574 | |
| 1626 | 575 #ifdef HAVE_STRTOD |
| 1357 | 576 #define SDL_strtod strtod |
| 577 #else | |
| 578 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); | |
| 579 #endif | |
| 580 | |
| 1626 | 581 #ifdef HAVE_ATOI |
| 1357 | 582 #define SDL_atoi atoi |
| 583 #else | |
| 584 #define SDL_atoi(X) SDL_strtol(X, NULL, 0) | |
| 585 #endif | |
| 586 | |
| 1626 | 587 #ifdef HAVE_ATOF |
| 1357 | 588 #define SDL_atof atof |
| 589 #else | |
| 590 #define SDL_atof(X) SDL_strtod(X, NULL) | |
| 591 #endif | |
| 592 | |
| 1626 | 593 #ifdef HAVE_STRCMP |
| 1357 | 594 #define SDL_strcmp strcmp |
| 595 #else | |
| 596 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); | |
| 597 #endif | |
| 598 | |
| 1626 | 599 #ifdef HAVE_STRNCMP |
| 1357 | 600 #define SDL_strncmp strncmp |
| 601 #else | |
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602 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, |
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603 size_t maxlen); |
| 1357 | 604 #endif |
| 605 | |
| 1626 | 606 #ifdef HAVE_STRCASECMP |
| 1357 | 607 #define SDL_strcasecmp strcasecmp |
| 1626 | 608 #elif defined(HAVE__STRICMP) |
| 1510 | 609 #define SDL_strcasecmp _stricmp |
| 1357 | 610 #else |
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611 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, |
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612 const char *str2); |
| 1357 | 613 #endif |
| 614 | |
| 1626 | 615 #ifdef HAVE_STRNCASECMP |
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616 #define SDL_strncasecmp strncasecmp |
| 1626 | 617 #elif defined(HAVE__STRNICMP) |
| 1512 | 618 #define SDL_strncasecmp _strnicmp |
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619 #else |
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620 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, |
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621 const char *str2, size_t maxlen); |
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622 #endif |
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623 |
| 1626 | 624 #ifdef HAVE_SSCANF |
| 1357 | 625 #define SDL_sscanf sscanf |
| 626 #else | |
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627 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, |
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628 ...); |
| 1357 | 629 #endif |
| 630 | |
| 1626 | 631 #ifdef HAVE_SNPRINTF |
| 1357 | 632 #define SDL_snprintf snprintf |
| 633 #else | |
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634 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, |
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635 const char *fmt, ...); |
| 1357 | 636 #endif |
| 637 | |
| 1626 | 638 #ifdef HAVE_VSNPRINTF |
| 1357 | 639 #define SDL_vsnprintf vsnprintf |
| 640 #else | |
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641 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, |
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642 const char *fmt, va_list ap); |
| 1357 | 643 #endif |
| 644 | |
|
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645 #ifndef HAVE_M_PI |
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646 #define M_PI 3.14159265358979323846264338327950288 /* pi */ |
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647 #endif |
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648 |
| 3032 | 649 #ifdef HAVE_CEIL |
| 650 #define SDL_ceil ceil | |
| 651 #else | |
| 652 #define SDL_ceil(x) ((double)(int)((x)+0.5)) | |
| 653 #endif | |
| 654 | |
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655 #ifdef HAVE_COPYSIGN |
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656 #define SDL_copysign copysign |
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657 #else |
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658 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y); |
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659 #endif |
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660 |
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661 #ifdef HAVE_COS |
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662 #define SDL_cos cos |
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663 #else |
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664 extern DECLSPEC double SDLCALL SDL_cos(double x); |
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665 #endif |
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666 |
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667 #ifdef HAVE_COSF |
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668 #define SDL_cosf cosf |
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669 #else |
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670 #define SDL_cosf(x) (float)SDL_cos((double)x) |
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671 #endif |
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672 |
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673 #ifdef HAVE_FABS |
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674 #define SDL_fabs fabs |
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675 #else |
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676 extern DECLSPEC double SDLCALL SDL_fabs(double x); |
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677 #endif |
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678 |
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679 #ifdef HAVE_FLOOR |
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680 #define SDL_floor floor |
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681 #else |
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682 extern DECLSPEC double SDLCALL SDL_floor(double x); |
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683 #endif |
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684 |
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685 #ifdef HAVE_LOG |
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686 #define SDL_log log |
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687 #else |
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688 extern DECLSPEC double SDLCALL SDL_log(double x); |
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689 #endif |
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690 |
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691 #ifdef HAVE_POW |
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692 #define SDL_pow pow |
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693 #else |
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694 extern DECLSPEC double SDLCALL SDL_pow(double x, double y); |
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695 #endif |
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696 |
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697 #ifdef HAVE_SCALBN |
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698 #define SDL_scalbn scalbn |
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699 #else |
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700 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n); |
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701 #endif |
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702 |
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703 #ifdef HAVE_SIN |
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704 #define SDL_sin sin |
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705 #else |
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706 extern DECLSPEC double SDLCALL SDL_sin(double x); |
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707 #endif |
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708 |
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709 #ifdef HAVE_SINF |
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710 #define SDL_sinf sinf |
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711 #else |
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712 #define SDL_sinf(x) (float)SDL_sin((double)x) |
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713 #endif |
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714 |
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715 #ifdef HAVE_SQRT |
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716 #define SDL_sqrt sqrt |
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717 #else |
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718 extern DECLSPEC double SDLCALL SDL_sqrt(double x); |
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719 #endif |
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720 |
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721 /* The SDL implementation of iconv() returns these error codes */ |
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722 #define SDL_ICONV_ERROR (size_t)-1 |
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723 #define SDL_ICONV_E2BIG (size_t)-2 |
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724 #define SDL_ICONV_EILSEQ (size_t)-3 |
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725 #define SDL_ICONV_EINVAL (size_t)-4 |
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726 |
| 1626 | 727 #ifdef HAVE_ICONV |
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728 #define SDL_iconv_t iconv_t |
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729 #define SDL_iconv_open iconv_open |
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730 #define SDL_iconv_close iconv_close |
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731 #else |
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732 typedef struct _SDL_iconv_t *SDL_iconv_t; |
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733 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, |
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734 const char *fromcode); |
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735 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
|
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736 #endif |
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737 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, |
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738 size_t * inbytesleft, char **outbuf, |
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739 size_t * outbytesleft); |
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740 /* This function converts a string between encodings in one pass, returning a |
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741 string that must be freed with SDL_free() or NULL on error. |
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742 */ |
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743 extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, |
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744 const char *fromcode, |
|
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745 const char *inbuf, |
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746 size_t inbytesleft); |
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747 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) |
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748 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) |
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749 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) |
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750 |
| 1357 | 751 /* Ends C function definitions when using C++ */ |
| 752 #ifdef __cplusplus | |
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753 /* *INDENT-OFF* */ |
| 1357 | 754 } |
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755 /* *INDENT-ON* */ |
| 1357 | 756 #endif |
| 757 #include "close_code.h" | |
| 758 | |
| 759 #endif /* _SDL_stdinc_h */ | |
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760 |
|
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761 /* vi: set ts=4 sw=4 expandtab: */ |