| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2010 Sam Lantinga |
| 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 | |
| 23 | /** |
| 24 | * \file SDL_stdinc.h |
| 25 | * |
| 26 | * This is a general header that includes C language support. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _SDL_stdinc_h |
| 30 | #define _SDL_stdinc_h |
| 31 | |
| 32 | #include "SDL_config.h" |
| 33 | |
| 34 | |
| 35 | #ifdef HAVE_SYS_TYPES_H |
| 36 | #include <sys/types.h> |
| 37 | #endif |
| 38 | #ifdef HAVE_STDIO_H |
| 39 | #include <stdio.h> |
| 40 | #endif |
| 41 | #if defined(STDC_HEADERS) |
| 42 | # include <stdlib.h> |
| 43 | # include <stddef.h> |
| 44 | # include <stdarg.h> |
| 45 | #else |
| 46 | # if defined(HAVE_STDLIB_H) |
| 47 | # include <stdlib.h> |
| 48 | # elif defined(HAVE_MALLOC_H) |
| 49 | # include <malloc.h> |
| 50 | # endif |
| 51 | # if defined(HAVE_STDDEF_H) |
| 52 | # include <stddef.h> |
| 53 | # endif |
| 54 | # if defined(HAVE_STDARG_H) |
| 55 | # include <stdarg.h> |
| 56 | # endif |
| 57 | #endif |
| 58 | #ifdef HAVE_STRING_H |
| 59 | # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) |
| 60 | # include <memory.h> |
| 61 | # endif |
| 62 | # include <string.h> |
| 63 | #endif |
| 64 | #ifdef HAVE_STRINGS_H |
| 65 | # include <strings.h> |
| 66 | #endif |
| 67 | #if defined(HAVE_INTTYPES_H) |
| 68 | # include <inttypes.h> |
| 69 | #elif defined(HAVE_STDINT_H) |
| 70 | # include <stdint.h> |
| 71 | #endif |
| 72 | #ifdef HAVE_CTYPE_H |
| 73 | # include <ctype.h> |
| 74 | #endif |
| 75 | #ifdef HAVE_MATH_H |
| 76 | # include <math.h> |
| 77 | #endif |
| 78 | #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) |
| 79 | # include <iconv.h> |
| 80 | #endif |
| 81 | |
| 82 | /** |
| 83 | * The number of elements in an array. |
| 84 | */ |
| 85 | #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) |
| 86 | #define SDL_TABLESIZE(table) SDL_arraysize(table) |
| 87 | |
| 88 | /** |
| 89 | * \name Cast operators |
| 90 | * |
| 91 | * Use proper C++ casts when compiled as C++ to be compatible with the option |
| 92 | * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above). |
| 93 | */ |
| 94 | /*@{*/ |
| 95 | #ifdef __cplusplus |
| 96 | #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression) |
| 97 | #define SDL_static_cast(type, expression) static_cast<type>(expression) |
| 98 | #else |
| 99 | #define SDL_reinterpret_cast(type, expression) ((type)(expression)) |
| 100 | #define SDL_static_cast(type, expression) ((type)(expression)) |
| 101 | #endif |
| 102 | /*@}*//*Cast operators*/ |
| 103 | |
| 104 | /* Define a four character code as a Uint32 */ |
| 105 | #define SDL_FOURCC(A, B, C, D) \ |
| 106 | ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \ |
| 107 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \ |
| 108 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \ |
| 109 | (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24)) |
| 110 | |
| 111 | /** |
| 112 | * \name Basic data types |
| 113 | */ |
| 114 | /*@{*/ |
| 115 | |
| 116 | typedef enum |
| 117 | { |
| 118 | SDL_FALSE = 0, |
| 119 | SDL_TRUE = 1 |
| 120 | } SDL_bool; |
| 121 | |
| 122 | /** |
| 123 | * \brief A signed 8-bit integer type. |
| 124 | */ |
| 125 | typedef int8_t Sint8; |
| 126 | /** |
| 127 | * \brief An unsigned 8-bit integer type. |
| 128 | */ |
| 129 | typedef uint8_t Uint8; |
| 130 | /** |
| 131 | * \brief A signed 16-bit integer type. |
| 132 | */ |
| 133 | typedef int16_t Sint16; |
| 134 | /** |
| 135 | * \brief An unsigned 16-bit integer type. |
| 136 | */ |
| 137 | typedef uint16_t Uint16; |
| 138 | /** |
| 139 | * \brief A signed 32-bit integer type. |
| 140 | */ |
| 141 | typedef int32_t Sint32; |
| 142 | /** |
| 143 | * \brief An unsigned 32-bit integer type. |
| 144 | */ |
| 145 | typedef uint32_t Uint32; |
| 146 | |
| 147 | #ifdef SDL_HAS_64BIT_TYPE |
| 148 | /** |
| 149 | * \brief A signed 64-bit integer type. |
| 150 | * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32! |
| 151 | */ |
| 152 | typedef int64_t Sint64; |
| 153 | /** |
| 154 | * \brief An unsigned 64-bit integer type. |
| 155 | * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32! |
| 156 | */ |
| 157 | typedef uint64_t Uint64; |
| 158 | #else |
| 159 | /* This is really just a hack to prevent the compiler from complaining */ |
| 160 | typedef Sint32 Sint64; |
| 161 | typedef Uint32 Uint64; |
| 162 | #endif |
| 163 | |
| 164 | /*@}*//*Basic data types*/ |
| 165 | |
| 166 | |
| 167 | #define SDL_COMPILE_TIME_ASSERT(name, x) \ |
| 168 | typedef int SDL_dummy_ ## name[(x) * 2 - 1] |
| 169 | /** \cond */ |
| 170 | #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
| 171 | SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); |
| 172 | SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); |
| 173 | SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); |
| 174 | SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); |
| 175 | SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); |
| 176 | SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); |
| 177 | #ifndef __NINTENDODS__ /* TODO: figure out why the following happens: |
| 178 | include/SDL_stdinc.h:150: error: size of array 'SDL_dummy_uint64' is negative |
| 179 | include/SDL_stdinc.h:151: error: size of array 'SDL_dummy_sint64' is negative */ |
| 180 | SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); |
| 181 | SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); |
| 182 | #endif |
| 183 | #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
| 184 | /** \endcond */ |
| 185 | |
| 186 | /* Check to make sure enums are the size of ints, for structure packing. |
| 187 | For both Watcom C/C++ and Borland C/C++ the compiler option that makes |
| 188 | enums having the size of an int must be enabled. |
| 189 | This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). |
| 190 | */ |
| 191 | /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ |
| 192 | #ifdef __MWERKS__ |
| 193 | #pragma enumsalwaysint on |
| 194 | #endif |
| 195 | |
| 196 | /** \cond */ |
| 197 | #ifndef DOXYGEN_SHOULD_IGNORE_THIS |
| 198 | #ifndef __NINTENDODS__ /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */ |
| 199 | typedef enum |
| 200 | { |
| 201 | DUMMY_ENUM_VALUE |
| 202 | } SDL_DUMMY_ENUM; |
| 203 | |
| 204 | SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
| 205 | #endif |
| 206 | #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ |
| 207 | /** \endcond */ |
| 208 | |
| 209 | #include "begin_code.h" |
| 210 | /* Set up for C function definitions, even when using C++ */ |
| 211 | #ifdef __cplusplus |
| 212 | /* *INDENT-OFF* */ |
| 213 | extern "C" { |
| 214 | /* *INDENT-ON* */ |
| 215 | #endif |
| 216 | |
| 217 | #ifdef HAVE_MALLOC |
| 218 | #define SDL_malloc malloc |
| 219 | #else |
| 220 | extern DECLSPEC void *SDLCALL SDL_malloc(size_t size); |
| 221 | #endif |
| 222 | |
| 223 | #ifdef HAVE_CALLOC |
| 224 | #define SDL_calloc calloc |
| 225 | #else |
| 226 | extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size); |
| 227 | #endif |
| 228 | |
| 229 | #ifdef HAVE_REALLOC |
| 230 | #define SDL_realloc realloc |
| 231 | #else |
| 232 | extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size); |
| 233 | #endif |
| 234 | |
| 235 | #ifdef HAVE_FREE |
| 236 | #define SDL_free free |
| 237 | #else |
| 238 | extern DECLSPEC void SDLCALL SDL_free(void *mem); |
| 239 | #endif |
| 240 | |
| 241 | #if defined(HAVE_ALLOCA) && !defined(alloca) |
| 242 | # if defined(HAVE_ALLOCA_H) |
| 243 | # include <alloca.h> |
| 244 | # elif defined(__GNUC__) |
| 245 | # define alloca __builtin_alloca |
| 246 | # elif defined(_MSC_VER) |
| 247 | # include <malloc.h> |
| 248 | # define alloca _alloca |
| 249 | # elif defined(__WATCOMC__) |
| 250 | # include <malloc.h> |
| 251 | # elif defined(__BORLANDC__) |
| 252 | # include <malloc.h> |
| 253 | # elif defined(__DMC__) |
| 254 | # include <stdlib.h> |
| 255 | # elif defined(__AIX__) |
| 256 | #pragma alloca |
| 257 | # elif defined(__MRC__) |
| 258 | void *alloca(unsigned); |
| 259 | # else |
| 260 | char *alloca(); |
| 261 | # endif |
| 262 | #endif |
| 263 | #ifdef HAVE_ALLOCA |
| 264 | #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) |
| 265 | #define SDL_stack_free(data) |
| 266 | #else |
| 267 | #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) |
| 268 | #define SDL_stack_free(data) SDL_free(data) |
| 269 | #endif |
| 270 | |
| 271 | #ifdef HAVE_GETENV |
| 272 | #define SDL_getenv getenv |
| 273 | #else |
| 274 | extern DECLSPEC char *SDLCALL SDL_getenv(const char *name); |
| 275 | #endif |
| 276 | |
| 277 | /* SDL_putenv() has moved to SDL_compat. */ |
| 278 | #ifdef HAVE_SETENV |
| 279 | #define SDL_setenv setenv |
| 280 | #else |
| 281 | extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, |
| 282 | int overwrite); |
| 283 | #endif |
| 284 | |
| 285 | #ifdef HAVE_QSORT |
| 286 | #define SDL_qsort qsort |
| 287 | #else |
| 288 | extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, |
| 289 | int (*compare) (const void *, |
| 290 | const void *)); |
| 291 | #endif |
| 292 | |
| 293 | #ifdef HAVE_ABS |
| 294 | #define SDL_abs abs |
| 295 | #else |
| 296 | #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) |
| 297 | #endif |
| 298 | |
| 299 | #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
| 300 | #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
| 301 | |
| 302 | #ifdef HAVE_CTYPE_H |
| 303 | #define SDL_isdigit(X) isdigit(X) |
| 304 | #define SDL_isspace(X) isspace(X) |
| 305 | #define SDL_toupper(X) toupper(X) |
| 306 | #define SDL_tolower(X) tolower(X) |
| 307 | #else |
| 308 | #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) |
| 309 | #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) |
| 310 | #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) |
| 311 | #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) |
| 312 | #endif |
| 313 | |
| 314 | #ifdef HAVE_MEMSET |
| 315 | #define SDL_memset memset |
| 316 | #else |
| 317 | extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len); |
| 318 | #endif |
| 319 | #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) |
| 320 | #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) |
| 321 | |
| 322 | #if defined(__GNUC__) && defined(i386) |
| 323 | #define SDL_memset4(dst, val, len) \ |
| 324 | do { \ |
| 325 | int u0, u1, u2; \ |
| 326 | __asm__ __volatile__ ( \ |
| 327 | "cld\n\t" \ |
| 328 | "rep ; stosl\n\t" \ |
| 329 | : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ |
| 330 | : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len)) \ |
| 331 | : "memory" ); \ |
| 332 | } while(0) |
| 333 | #endif |
| 334 | #ifndef SDL_memset4 |
| 335 | #define SDL_memset4(dst, val, len) \ |
| 336 | do { \ |
| 337 | unsigned _count = (len); \ |
| 338 | unsigned _n = (_count + 3) / 4; \ |
| 339 | Uint32 *_p = SDL_static_cast(Uint32 *, dst); \ |
| 340 | Uint32 _val = (val); \ |
| 341 | if (len == 0) break; \ |
| 342 | switch (_count % 4) { \ |
| 343 | case 0: do { *_p++ = _val; \ |
| 344 | case 3: *_p++ = _val; \ |
| 345 | case 2: *_p++ = _val; \ |
| 346 | case 1: *_p++ = _val; \ |
| 347 | } while ( --_n ); \ |
| 348 | } \ |
| 349 | } while(0) |
| 350 | #endif |
| 351 | |
| 352 | /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
| 353 | #if defined(__MACH__) && defined(__APPLE__) |
| 354 | #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) |
| 355 | #elif defined(__GNUC__) && defined(i386) |
| 356 | #define SDL_memcpy(dst, src, len) \ |
| 357 | do { \ |
| 358 | int u0, u1, u2; \ |
| 359 | __asm__ __volatile__ ( \ |
| 360 | "cld\n\t" \ |
| 361 | "rep ; movsl\n\t" \ |
| 362 | "testb $2,%b4\n\t" \ |
| 363 | "je 1f\n\t" \ |
| 364 | "movsw\n" \ |
| 365 | "1:\ttestb $1,%b4\n\t" \ |
| 366 | "je 2f\n\t" \ |
| 367 | "movsb\n" \ |
| 368 | "2:" \ |
| 369 | : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
| 370 | : "0" (SDL_static_cast(unsigned, len)/4), "q" (len), "1" (dst),"2" (src) \ |
| 371 | : "memory" ); \ |
| 372 | } while(0) |
| 373 | #endif |
| 374 | #ifndef SDL_memcpy |
| 375 | #ifdef HAVE_MEMCPY |
| 376 | #define SDL_memcpy memcpy |
| 377 | #elif defined(HAVE_BCOPY) |
| 378 | #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) |
| 379 | #else |
| 380 | extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src, |
| 381 | size_t len); |
| 382 | #endif |
| 383 | #endif |
| 384 | |
| 385 | /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
| 386 | #if defined(__MACH__) && defined(__APPLE__) |
| 387 | #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) |
| 388 | #elif defined(__GNUC__) && defined(i386) |
| 389 | #define SDL_memcpy4(dst, src, len) \ |
| 390 | do { \ |
| 391 | int ecx, edi, esi; \ |
| 392 | __asm__ __volatile__ ( \ |
| 393 | "cld\n\t" \ |
| 394 | "rep ; movsl" \ |
| 395 | : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ |
| 396 | : "0" (SDL_static_cast(unsigned, len)), "1" (dst), "2" (src) \ |
| 397 | : "memory" ); \ |
| 398 | } while(0) |
| 399 | #endif |
| 400 | #ifndef SDL_memcpy4 |
| 401 | #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) |
| 402 | #endif |
| 403 | |
| 404 | #if defined(__GNUC__) && defined(i386) |
| 405 | #define SDL_revcpy(dst, src, len) \ |
| 406 | do { \ |
| 407 | int u0, u1, u2; \ |
| 408 | char *dstp = SDL_static_cast(char *, dst); \ |
| 409 | char *srcp = SDL_static_cast(char *, src); \ |
| 410 | int n = (len); \ |
| 411 | if ( n >= 4 ) { \ |
| 412 | __asm__ __volatile__ ( \ |
| 413 | "std\n\t" \ |
| 414 | "rep ; movsl\n\t" \ |
| 415 | "cld\n\t" \ |
| 416 | : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
| 417 | : "0" (n >> 2), \ |
| 418 | "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ |
| 419 | : "memory" ); \ |
| 420 | } \ |
| 421 | switch (n & 3) { \ |
| 422 | case 3: dstp[2] = srcp[2]; \ |
| 423 | case 2: dstp[1] = srcp[1]; \ |
| 424 | case 1: dstp[0] = srcp[0]; \ |
| 425 | break; \ |
| 426 | default: \ |
| 427 | break; \ |
| 428 | } \ |
| 429 | } while(0) |
| 430 | #endif |
| 431 | #ifndef SDL_revcpy |
| 432 | extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src, |
| 433 | size_t len); |
| 434 | #endif |
| 435 | |
| 436 | #ifdef HAVE_MEMMOVE |
| 437 | #define SDL_memmove memmove |
| 438 | #elif defined(HAVE_BCOPY) |
| 439 | #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) |
| 440 | #else |
| 441 | #define SDL_memmove(dst, src, len) \ |
| 442 | do { \ |
| 443 | if ( dst < src ) { \ |
| 444 | SDL_memcpy(dst, src, len); \ |
| 445 | } else { \ |
| 446 | SDL_revcpy(dst, src, len); \ |
| 447 | } \ |
| 448 | } while(0) |
| 449 | #endif |
| 450 | |
| 451 | #ifdef HAVE_MEMCMP |
| 452 | #define SDL_memcmp memcmp |
| 453 | #else |
| 454 | extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, |
| 455 | size_t len); |
| 456 | #endif |
| 457 | |
| 458 | #ifdef HAVE_STRLEN |
| 459 | #define SDL_strlen strlen |
| 460 | #else |
| 461 | extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); |
| 462 | #endif |
| 463 | |
| 464 | #ifdef HAVE_WCSLEN |
| 465 | #define SDL_wcslen wcslen |
| 466 | #else |
| 467 | #if !defined(wchar_t) && defined(__NINTENDODS__) |
| 468 | #define wchar_t short /* TODO: figure out why libnds doesn't have this */ |
| 469 | #endif |
| 470 | extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string); |
| 471 | #endif |
| 472 | |
| 473 | #ifdef HAVE_STRLCPY |
| 474 | #define SDL_strlcpy strlcpy |
| 475 | #else |
| 476 | extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, |
| 477 | size_t maxlen); |
| 478 | #endif |
| 479 | |
| 480 | #ifdef HAVE_STRLCAT |
| 481 | #define SDL_strlcat strlcat |
| 482 | #else |
| 483 | extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, |
| 484 | size_t maxlen); |
| 485 | #endif |
| 486 | |
| 487 | #ifdef HAVE_STRDUP |
| 488 | #define SDL_strdup strdup |
| 489 | #else |
| 490 | extern DECLSPEC char *SDLCALL SDL_strdup(const char *string); |
| 491 | #endif |
| 492 | |
| 493 | #ifdef HAVE__STRREV |
| 494 | #define SDL_strrev _strrev |
| 495 | #else |
| 496 | extern DECLSPEC char *SDLCALL SDL_strrev(char *string); |
| 497 | #endif |
| 498 | |
| 499 | #ifdef HAVE__STRUPR |
| 500 | #define SDL_strupr _strupr |
| 501 | #else |
| 502 | extern DECLSPEC char *SDLCALL SDL_strupr(char *string); |
| 503 | #endif |
| 504 | |
| 505 | #ifdef HAVE__STRLWR |
| 506 | #define SDL_strlwr _strlwr |
| 507 | #else |
| 508 | extern DECLSPEC char *SDLCALL SDL_strlwr(char *string); |
| 509 | #endif |
| 510 | |
| 511 | #ifdef HAVE_STRCHR |
| 512 | #define SDL_strchr strchr |
| 513 | #elif defined(HAVE_INDEX) |
| 514 | #define SDL_strchr index |
| 515 | #else |
| 516 | extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c); |
| 517 | #endif |
| 518 | |
| 519 | #ifdef HAVE_STRRCHR |
| 520 | #define SDL_strrchr strrchr |
| 521 | #elif defined(HAVE_RINDEX) |
| 522 | #define SDL_strrchr rindex |
| 523 | #else |
| 524 | extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c); |
| 525 | #endif |
| 526 | |
| 527 | #ifdef HAVE_STRSTR |
| 528 | #define SDL_strstr strstr |
| 529 | #else |
| 530 | extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, |
| 531 | const char *needle); |
| 532 | #endif |
| 533 | |
| 534 | #ifdef HAVE_ITOA |
| 535 | #define SDL_itoa itoa |
| 536 | #else |
| 537 | #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) |
| 538 | #endif |
| 539 | |
| 540 | #ifdef HAVE__LTOA |
| 541 | #define SDL_ltoa _ltoa |
| 542 | #else |
| 543 | extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix); |
| 544 | #endif |
| 545 | |
| 546 | #ifdef HAVE__UITOA |
| 547 | #define SDL_uitoa _uitoa |
| 548 | #else |
| 549 | #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) |
| 550 | #endif |
| 551 | |
| 552 | #ifdef HAVE__ULTOA |
| 553 | #define SDL_ultoa _ultoa |
| 554 | #else |
| 555 | extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string, |
| 556 | int radix); |
| 557 | #endif |
| 558 | |
| 559 | #ifdef HAVE_STRTOL |
| 560 | #define SDL_strtol strtol |
| 561 | #else |
| 562 | extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, |
| 563 | int base); |
| 564 | #endif |
| 565 | |
| 566 | #ifdef HAVE_STRTOUL |
| 567 | #define SDL_strtoul strtoul |
| 568 | #else |
| 569 | extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, |
| 570 | char **endp, int base); |
| 571 | #endif |
| 572 | |
| 573 | #ifdef SDL_HAS_64BIT_TYPE |
| 574 | |
| 575 | #ifdef HAVE__I64TOA |
| 576 | #define SDL_lltoa _i64toa |
| 577 | #else |
| 578 | extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string, |
| 579 | int radix); |
| 580 | #endif |
| 581 | |
| 582 | #ifdef HAVE__UI64TOA |
| 583 | #define SDL_ulltoa _ui64toa |
| 584 | #else |
| 585 | extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string, |
| 586 | int radix); |
| 587 | #endif |
| 588 | |
| 589 | #ifdef HAVE_STRTOLL |
| 590 | #define SDL_strtoll strtoll |
| 591 | #else |
| 592 | extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, |
| 593 | int base); |
| 594 | #endif |
| 595 | |
| 596 | #ifdef HAVE_STRTOULL |
| 597 | #define SDL_strtoull strtoull |
| 598 | #else |
| 599 | extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, |
| 600 | int base); |
| 601 | #endif |
| 602 | |
| 603 | #endif /* SDL_HAS_64BIT_TYPE */ |
| 604 | |
| 605 | #ifdef HAVE_STRTOD |
| 606 | #define SDL_strtod strtod |
| 607 | #else |
| 608 | extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); |
| 609 | #endif |
| 610 | |
| 611 | #ifdef HAVE_ATOI |
| 612 | #define SDL_atoi atoi |
| 613 | #else |
| 614 | #define SDL_atoi(X) SDL_strtol(X, NULL, 0) |
| 615 | #endif |
| 616 | |
| 617 | #ifdef HAVE_ATOF |
| 618 | #define SDL_atof atof |
| 619 | #else |
| 620 | #define SDL_atof(X) SDL_strtod(X, NULL) |
| 621 | #endif |
| 622 | |
| 623 | #ifdef HAVE_STRCMP |
| 624 | #define SDL_strcmp strcmp |
| 625 | #else |
| 626 | extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); |
| 627 | #endif |
| 628 | |
| 629 | #ifdef HAVE_STRNCMP |
| 630 | #define SDL_strncmp strncmp |
| 631 | #else |
| 632 | extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, |
| 633 | size_t maxlen); |
| 634 | #endif |
| 635 | |
| 636 | #ifdef HAVE_STRCASECMP |
| 637 | #define SDL_strcasecmp strcasecmp |
| 638 | #elif defined(HAVE__STRICMP) |
| 639 | #define SDL_strcasecmp _stricmp |
| 640 | #else |
| 641 | extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, |
| 642 | const char *str2); |
| 643 | #endif |
| 644 | |
| 645 | #ifdef HAVE_STRNCASECMP |
| 646 | #define SDL_strncasecmp strncasecmp |
| 647 | #elif defined(HAVE__STRNICMP) |
| 648 | #define SDL_strncasecmp _strnicmp |
| 649 | #else |
| 650 | extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, |
| 651 | const char *str2, size_t maxlen); |
| 652 | #endif |
| 653 | |
| 654 | #ifdef HAVE_SSCANF |
| 655 | #define SDL_sscanf sscanf |
| 656 | #else |
| 657 | extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, |
| 658 | ...); |
| 659 | #endif |
| 660 | |
| 661 | #ifdef HAVE_SNPRINTF |
| 662 | #define SDL_snprintf snprintf |
| 663 | #else |
| 664 | extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, |
| 665 | const char *fmt, ...); |
| 666 | #endif |
| 667 | |
| 668 | #ifdef HAVE_VSNPRINTF |
| 669 | #define SDL_vsnprintf vsnprintf |
| 670 | #else |
| 671 | extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, |
| 672 | const char *fmt, va_list ap); |
| 673 | #endif |
| 674 | |
| 675 | #ifndef HAVE_M_PI |
| 676 | #define M_PI 3.14159265358979323846264338327950288 /* pi */ |
| 677 | #endif |
| 678 | |
| 679 | #ifdef HAVE_CEIL |
| 680 | #define SDL_ceil ceil |
| 681 | #else |
| 682 | #define SDL_ceil(x) ((double)(int)((x)+0.5)) |
| 683 | #endif |
| 684 | |
| 685 | #ifdef HAVE_COPYSIGN |
| 686 | #define SDL_copysign copysign |
| 687 | #else |
| 688 | extern DECLSPEC double SDLCALL SDL_copysign(double x, double y); |
| 689 | #endif |
| 690 | |
| 691 | #ifdef HAVE_COS |
| 692 | #define SDL_cos cos |
| 693 | #else |
| 694 | extern DECLSPEC double SDLCALL SDL_cos(double x); |
| 695 | #endif |
| 696 | |
| 697 | #ifdef HAVE_COSF |
| 698 | #define SDL_cosf cosf |
| 699 | #else |
| 700 | #define SDL_cosf(x) (float)SDL_cos((double)x) |
| 701 | #endif |
| 702 | |
| 703 | #ifdef HAVE_FABS |
| 704 | #define SDL_fabs fabs |
| 705 | #else |
| 706 | extern DECLSPEC double SDLCALL SDL_fabs(double x); |
| 707 | #endif |
| 708 | |
| 709 | #ifdef HAVE_FLOOR |
| 710 | #define SDL_floor floor |
| 711 | #else |
| 712 | extern DECLSPEC double SDLCALL SDL_floor(double x); |
| 713 | #endif |
| 714 | |
| 715 | #ifdef HAVE_LOG |
| 716 | #define SDL_log log |
| 717 | #else |
| 718 | extern DECLSPEC double SDLCALL SDL_log(double x); |
| 719 | #endif |
| 720 | |
| 721 | #ifdef HAVE_POW |
| 722 | #define SDL_pow pow |
| 723 | #else |
| 724 | extern DECLSPEC double SDLCALL SDL_pow(double x, double y); |
| 725 | #endif |
| 726 | |
| 727 | #ifdef HAVE_SCALBN |
| 728 | #define SDL_scalbn scalbn |
| 729 | #else |
| 730 | extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n); |
| 731 | #endif |
| 732 | |
| 733 | #ifdef HAVE_SIN |
| 734 | #define SDL_sin sin |
| 735 | #else |
| 736 | extern DECLSPEC double SDLCALL SDL_sin(double x); |
| 737 | #endif |
| 738 | |
| 739 | #ifdef HAVE_SINF |
| 740 | #define SDL_sinf sinf |
| 741 | #else |
| 742 | #define SDL_sinf(x) (float)SDL_sin((double)x) |
| 743 | #endif |
| 744 | |
| 745 | #ifdef HAVE_SQRT |
| 746 | #define SDL_sqrt sqrt |
| 747 | #else |
| 748 | extern DECLSPEC double SDLCALL SDL_sqrt(double x); |
| 749 | #endif |
| 750 | |
| 751 | /* The SDL implementation of iconv() returns these error codes */ |
| 752 | #define SDL_ICONV_ERROR (size_t)-1 |
| 753 | #define SDL_ICONV_E2BIG (size_t)-2 |
| 754 | #define SDL_ICONV_EILSEQ (size_t)-3 |
| 755 | #define SDL_ICONV_EINVAL (size_t)-4 |
| 756 | |
| 757 | #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) |
| 758 | #define SDL_iconv_t iconv_t |
| 759 | #define SDL_iconv_open iconv_open |
| 760 | #define SDL_iconv_close iconv_close |
| 761 | #else |
| 762 | typedef struct _SDL_iconv_t *SDL_iconv_t; |
| 763 | extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, |
| 764 | const char *fromcode); |
| 765 | extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
| 766 | #endif |
| 767 | extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, |
| 768 | size_t * inbytesleft, char **outbuf, |
| 769 | size_t * outbytesleft); |
| 770 | /** |
| 771 | * This function converts a string between encodings in one pass, returning a |
| 772 | * string that must be freed with SDL_free() or NULL on error. |
| 773 | */ |
| 774 | extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, |
| 775 | const char *fromcode, |
| 776 | const char *inbuf, |
| 777 | size_t inbytesleft); |
| 778 | #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) |
| 779 | #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) |
| 780 | #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) |
| 781 | |
| 782 | /* Ends C function definitions when using C++ */ |
| 783 | #ifdef __cplusplus |
| 784 | /* *INDENT-OFF* */ |
| 785 | } |
| 786 | /* *INDENT-ON* */ |
| 787 | #endif |
| 788 | #include "close_code.h" |
| 789 | |
| 790 | #endif /* _SDL_stdinc_h */ |
| 791 | |
| 792 | /* vi: set ts=4 sw=4 expandtab: */ |