Mercurial > sdl-ios-xcode
annotate include/SDL_stdinc.h @ 1510:720f8bb49d7d
Win32 fixes
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 13 Mar 2006 02:06:33 +0000 |
| parents | 73dc5d39bbf8 |
| children | 845b1619c8f6 |
| rev | line source |
|---|---|
| 1357 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997-2006 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 /* This is a general header that includes C language support */ | |
| 24 | |
| 25 #ifndef _SDL_stdinc_h | |
| 26 #define _SDL_stdinc_h | |
| 27 | |
| 28 #include "SDL_config.h" | |
| 29 | |
| 30 | |
| 31 #if HAVE_SYS_TYPES_H | |
| 32 #include <sys/types.h> | |
| 33 #endif | |
| 34 #if HAVE_STDIO_H | |
| 35 #include <stdio.h> | |
| 36 #endif | |
| 37 #if STDC_HEADERS | |
| 38 # include <stdlib.h> | |
| 39 # include <stddef.h> | |
| 40 # include <stdarg.h> | |
| 41 #else | |
| 42 # if HAVE_STDLIB_H | |
| 43 # include <stdlib.h> | |
|
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44 # elif HAVE_MALLOC_H |
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45 # include <malloc.h> |
| 1357 | 46 # endif |
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47 # if HAVE_STDDEF_H |
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48 # include <stddef.h> |
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49 # endif |
| 1357 | 50 # if HAVE_STDARG_H |
| 51 # include <stdarg.h> | |
| 52 # endif | |
| 53 #endif | |
| 54 #if HAVE_STRING_H | |
| 55 # if !STDC_HEADERS && HAVE_MEMORY_H | |
| 56 # include <memory.h> | |
| 57 # endif | |
| 58 # include <string.h> | |
| 59 #endif | |
| 60 #if HAVE_STRINGS_H | |
| 61 # include <strings.h> | |
| 62 #endif | |
| 63 #if HAVE_INTTYPES_H | |
| 64 # include <inttypes.h> | |
| 65 #else | |
| 66 # if HAVE_STDINT_H | |
| 67 # include <stdint.h> | |
| 68 # endif | |
| 69 #endif | |
| 70 #if HAVE_CTYPE_H | |
| 71 # include <ctype.h> | |
| 72 #endif | |
|
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73 #if HAVE_ICONV_H |
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74 # include <iconv.h> |
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75 #endif |
| 1357 | 76 |
| 77 /* The number of elements in an array */ | |
| 78 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) | |
| 79 #define SDL_TABLESIZE(table) SDL_arraysize(table) | |
| 80 | |
| 81 /* Basic data types */ | |
| 82 typedef enum SDL_bool { | |
| 83 SDL_FALSE = 0, | |
| 84 SDL_TRUE = 1 | |
| 85 } SDL_bool; | |
| 86 | |
| 87 typedef int8_t Sint8; | |
| 88 typedef uint8_t Uint8; | |
| 89 typedef int16_t Sint16; | |
| 90 typedef uint16_t Uint16; | |
| 91 typedef int32_t Sint32; | |
| 92 typedef uint32_t Uint32; | |
| 93 | |
| 94 #ifdef SDL_HAS_64BIT_TYPE | |
| 95 typedef int64_t Sint64; | |
| 96 typedef uint64_t Uint64; | |
| 97 #else | |
| 98 /* This is really just a hack to prevent the compiler from complaining */ | |
| 99 typedef struct { | |
| 100 Uint32 hi; | |
| 101 Uint32 lo; | |
| 102 } Uint64, Sint64; | |
| 103 #endif | |
| 104 | |
| 105 /* Make sure the types really have the right sizes */ | |
| 106 #define SDL_COMPILE_TIME_ASSERT(name, x) \ | |
| 107 typedef int SDL_dummy_ ## name[(x) * 2 - 1] | |
| 108 | |
| 109 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); | |
| 110 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); | |
| 111 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); | |
| 112 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); | |
| 113 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); | |
| 114 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); | |
| 115 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); | |
| 116 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); | |
| 117 | |
| 118 /* Check to make sure enums are the size of ints, for structure packing. | |
| 119 For both Watcom C/C++ and Borland C/C++ the compiler option that makes | |
| 120 enums having the size of an int must be enabled. | |
| 121 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). | |
| 122 */ | |
| 123 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ | |
| 124 #ifdef __MWERKS__ | |
| 125 #pragma enumsalwaysint on | |
| 126 #endif | |
| 127 | |
| 128 typedef enum { | |
| 129 DUMMY_ENUM_VALUE | |
| 130 } SDL_DUMMY_ENUM; | |
| 131 | |
| 132 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); | |
| 133 | |
| 134 | |
| 135 #include "begin_code.h" | |
| 136 /* Set up for C function definitions, even when using C++ */ | |
| 137 #ifdef __cplusplus | |
| 138 extern "C" { | |
| 139 #endif | |
| 140 | |
| 141 #if HAVE_MALLOC | |
| 142 #define SDL_malloc malloc | |
| 143 #else | |
| 144 extern DECLSPEC void * SDLCALL SDL_malloc(size_t size); | |
| 145 #endif | |
| 146 | |
| 147 #if HAVE_CALLOC | |
| 148 #define SDL_calloc calloc | |
| 149 #else | |
| 150 extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size); | |
| 151 #endif | |
| 152 | |
| 153 #if HAVE_REALLOC | |
| 154 #define SDL_realloc realloc | |
| 155 #else | |
| 156 extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size); | |
| 157 #endif | |
| 158 | |
| 159 #if HAVE_FREE | |
| 160 #define SDL_free free | |
| 161 #else | |
| 162 extern DECLSPEC void SDLCALL SDL_free(void *mem); | |
| 163 #endif | |
| 164 | |
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165 #if HAVE_ALLOCA && !defined(alloca) |
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166 # if HAVE_ALLOCA_H |
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167 # include <alloca.h> |
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168 # elif defined(__GNUC__) |
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169 # define alloca __builtin_alloca |
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170 # elif defined(_MSC_VER) |
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171 # include <malloc.h> |
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172 # define alloca _alloca |
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173 # elif defined(__AIX__) |
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174 #pragma alloca |
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175 # else |
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176 char *alloca (); |
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177 # endif |
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178 #endif |
| 1357 | 179 #if HAVE_ALLOCA |
| 180 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*count) | |
| 181 #define SDL_stack_free(data) | |
| 182 #else | |
| 183 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*count) | |
| 184 #define SDL_stack_free(data) SDL_free(data) | |
| 185 #endif | |
| 186 | |
| 187 #if HAVE_GETENV | |
| 188 #define SDL_getenv getenv | |
| 189 #else | |
| 190 extern DECLSPEC char * SDLCALL SDL_getenv(const char *name); | |
| 191 #endif | |
| 192 | |
| 193 #if HAVE_PUTENV | |
| 194 #define SDL_putenv putenv | |
| 195 #else | |
| 196 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); | |
| 197 #endif | |
| 198 | |
| 199 #if HAVE_QSORT | |
| 200 #define SDL_qsort qsort | |
| 201 #else | |
| 202 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, | |
| 203 int (*compare)(const void *, const void *)); | |
| 204 #endif | |
| 205 | |
| 206 #if HAVE_ABS | |
| 207 #define SDL_abs abs | |
| 208 #else | |
| 209 #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) | |
| 210 #endif | |
| 211 | |
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212 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
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213 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
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214 |
| 1357 | 215 #if HAVE_CTYPE_H |
| 216 #define SDL_isdigit(X) isdigit(X) | |
| 217 #define SDL_isspace(X) isspace(X) | |
| 218 #define SDL_toupper(X) toupper(X) | |
| 219 #define SDL_tolower(X) tolower(X) | |
| 220 #else | |
| 221 #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) | |
| 222 #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) | |
| 223 #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) | |
| 224 #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) | |
| 225 #endif | |
| 226 | |
| 227 #if HAVE_MEMSET | |
| 228 #define SDL_memset memset | |
| 229 #else | |
| 230 extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); | |
| 231 #endif | |
| 232 | |
| 233 #if defined(__GNUC__) && defined(i386) | |
| 234 #define SDL_memset4(dst, val, len) \ | |
| 235 do { \ | |
| 236 int u0, u1, u2; \ | |
| 237 __asm__ __volatile__ ( \ | |
| 238 "cld\n\t" \ | |
| 239 "rep ; stosl\n\t" \ | |
| 240 : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ | |
| 241 : "0" (dst), "1" (val), "2" ((Uint32)(len)) \ | |
| 242 : "memory" ); \ | |
| 243 } while(0) | |
| 244 #endif | |
| 245 #ifndef SDL_memset4 | |
| 246 #define SDL_memset4(dst, val, len) \ | |
| 247 do { \ | |
| 248 unsigned _count = (len); \ | |
| 249 unsigned _n = (_count + 3) / 4; \ | |
| 250 Uint32 *_p = (Uint32 *)(dst); \ | |
| 251 Uint32 _val = (val); \ | |
| 252 switch (_count % 4) { \ | |
| 253 case 0: do { *_p++ = _val; \ | |
| 254 case 3: *_p++ = _val; \ | |
| 255 case 2: *_p++ = _val; \ | |
| 256 case 1: *_p++ = _val; \ | |
| 257 } while ( --_n ); \ | |
| 258 } \ | |
| 259 } while(0) | |
| 260 #endif | |
| 261 | |
| 262 #if defined(__GNUC__) && defined(i386) | |
| 263 #define SDL_memcpy(dst, src, len) \ | |
| 264 do { \ | |
| 265 int u0, u1, u2; \ | |
| 266 __asm__ __volatile__ ( \ | |
| 267 "cld\n\t" \ | |
| 268 "rep ; movsl\n\t" \ | |
| 269 "testb $2,%b4\n\t" \ | |
| 270 "je 1f\n\t" \ | |
| 271 "movsw\n" \ | |
| 272 "1:\ttestb $1,%b4\n\t" \ | |
| 273 "je 2f\n\t" \ | |
| 274 "movsb\n" \ | |
| 275 "2:" \ | |
| 276 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
| 277 : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ | |
| 278 : "memory" ); \ | |
| 279 } while(0) | |
| 280 #endif | |
| 281 #ifndef SDL_memcpy | |
| 282 #if HAVE_MEMCPY | |
| 283 #define SDL_memcpy memcpy | |
| 284 #elif HAVE_BCOPY | |
| 285 #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) | |
| 286 #else | |
| 287 extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); | |
| 288 #endif | |
| 289 #endif | |
| 290 | |
| 291 #if defined(__GNUC__) && defined(i386) | |
| 292 #define SDL_memcpy4(dst, src, len) \ | |
| 293 do { \ | |
| 294 int ecx, edi, esi; \ | |
| 295 __asm__ __volatile__ ( \ | |
| 296 "cld\n\t" \ | |
| 297 "rep ; movsl" \ | |
| 298 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ | |
| 299 : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ | |
| 300 : "memory" ); \ | |
| 301 } while(0) | |
| 302 #endif | |
| 303 #ifndef SDL_memcpy4 | |
| 304 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) | |
| 305 #endif | |
| 306 | |
| 307 #if defined(__GNUC__) && defined(i386) | |
| 308 #define SDL_revcpy(dst, src, len) \ | |
| 309 do { \ | |
| 310 int u0, u1, u2; \ | |
| 311 char *dstp = (char *)(dst); \ | |
| 312 char *srcp = (char *)(src); \ | |
| 313 int n = (len); \ | |
| 314 if ( n >= 4 ) { \ | |
| 315 __asm__ __volatile__ ( \ | |
| 316 "std\n\t" \ | |
| 317 "rep ; movsl\n\t" \ | |
| 318 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ | |
| 319 : "0" (n >> 2), \ | |
| 320 "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ | |
| 321 : "memory" ); \ | |
| 322 } \ | |
| 323 switch (n & 3) { \ | |
| 324 case 3: dstp[2] = srcp[2]; \ | |
| 325 case 2: dstp[1] = srcp[1]; \ | |
| 326 case 1: dstp[0] = srcp[0]; \ | |
| 327 break; \ | |
| 328 default: \ | |
| 329 break; \ | |
| 330 } \ | |
| 331 } while(0) | |
| 332 #endif | |
| 333 #ifndef SDL_revcpy | |
| 334 extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); | |
| 335 #endif | |
| 336 | |
| 337 #if HAVE_MEMMOVE | |
| 338 #define SDL_memmove memmove | |
| 339 #elif HAVE_BCOPY | |
| 340 #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) | |
| 341 #else | |
| 342 #define SDL_memmove(dst, src, len) \ | |
| 343 do { \ | |
| 344 if ( dst < src ) { \ | |
| 345 SDL_memcpy(dst, src, len); \ | |
| 346 } else { \ | |
| 347 SDL_revcpy(dst, src, len); \ | |
| 348 } \ | |
| 349 } while(0) | |
| 350 #endif | |
| 351 | |
| 352 #if HAVE_MEMCMP | |
| 353 #define SDL_memcmp memcmp | |
| 354 #else | |
| 355 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); | |
| 356 #endif | |
| 357 | |
| 358 #if HAVE_STRLEN | |
| 359 #define SDL_strlen strlen | |
| 360 #else | |
| 361 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); | |
| 362 #endif | |
| 363 | |
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364 #if HAVE_STRLCPY |
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365 #define SDL_strlcpy strlcpy |
| 1357 | 366 #else |
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367 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen); |
| 1357 | 368 #endif |
| 369 | |
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370 #if HAVE_STRLCAT |
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371 #define SDL_strlcat strlcat |
| 1357 | 372 #else |
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373 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen); |
| 1357 | 374 #endif |
| 375 | |
| 376 #if HAVE_STRDUP | |
| 377 #define SDL_strdup strdup | |
| 378 #else | |
| 379 extern DECLSPEC char * SDLCALL SDL_strdup(const char *string); | |
| 380 #endif | |
| 381 | |
| 382 #if HAVE__STRREV | |
| 383 #define SDL_strrev _strrev | |
| 384 #else | |
| 385 extern DECLSPEC char * SDLCALL SDL_strrev(char *string); | |
| 386 #endif | |
| 387 | |
| 388 #if HAVE__STRUPR | |
| 389 #define SDL_strupr _strupr | |
| 390 #else | |
| 391 extern DECLSPEC char * SDLCALL SDL_strupr(char *string); | |
| 392 #endif | |
| 393 | |
| 394 #if HAVE__STRLWR | |
| 395 #define SDL_strlwr _strlwr | |
| 396 #else | |
| 397 extern DECLSPEC char * SDLCALL SDL_strlwr(char *string); | |
| 398 #endif | |
| 399 | |
| 400 #if HAVE_STRCHR | |
| 401 #define SDL_strchr strchr | |
| 402 #elif HAVE_INDEX | |
| 403 #define SDL_strchr index | |
| 404 #else | |
| 405 extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c); | |
| 406 #endif | |
| 407 | |
| 408 #if HAVE_STRRCHR | |
| 409 #define SDL_strrchr strrchr | |
| 410 #elif HAVE_RINDEX | |
| 411 #define SDL_strrchr rindex | |
| 412 #else | |
| 413 extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c); | |
| 414 #endif | |
| 415 | |
| 416 #if HAVE_STRSTR | |
| 417 #define SDL_strstr strstr | |
| 418 #else | |
| 419 extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle); | |
| 420 #endif | |
| 421 | |
| 422 #if HAVE_ITOA | |
| 423 #define SDL_itoa itoa | |
| 424 #else | |
| 425 #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) | |
| 426 #endif | |
| 427 | |
| 428 #if HAVE__LTOA | |
| 429 #define SDL_ltoa _ltoa | |
| 430 #else | |
| 431 extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix); | |
| 432 #endif | |
| 433 | |
| 434 #if HAVE__UITOA | |
| 435 #define SDL_uitoa _uitoa | |
| 436 #else | |
| 437 #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) | |
| 438 #endif | |
| 439 | |
| 440 #if HAVE__ULTOA | |
| 441 #define SDL_ultoa _ultoa | |
| 442 #else | |
| 443 extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); | |
| 444 #endif | |
| 445 | |
| 446 #if HAVE_STRTOL | |
| 447 #define SDL_strtol strtol | |
| 448 #else | |
| 449 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); | |
| 450 #endif | |
| 451 | |
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452 #if HAVE_STRTOUL |
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453 #define SDL_strtoul strtoul |
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454 #else |
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455 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base); |
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456 #endif |
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457 |
| 1357 | 458 #if SDL_HAS_64BIT_TYPE |
| 459 | |
| 460 #if HAVE__I64TOA | |
| 461 #define SDL_lltoa _i64toa | |
| 462 #else | |
| 463 extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); | |
| 464 #endif | |
| 465 | |
| 466 #if HAVE__UI64TOA | |
| 467 #define SDL_ulltoa _ui64toa | |
| 468 #else | |
| 469 extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); | |
| 470 #endif | |
| 471 | |
| 472 #if HAVE_STRTOLL | |
| 473 #define SDL_strtoll strtoll | |
| 474 #else | |
| 475 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); | |
| 476 #endif | |
| 477 | |
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478 #if HAVE_STRTOULL |
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479 #define SDL_strtoull strtoull |
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480 #else |
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481 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base); |
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482 #endif |
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483 |
| 1357 | 484 #endif /* SDL_HAS_64BIT_TYPE */ |
| 485 | |
| 486 #if HAVE_STRTOD | |
| 487 #define SDL_strtod strtod | |
| 488 #else | |
| 489 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); | |
| 490 #endif | |
| 491 | |
| 492 #if HAVE_ATOI | |
| 493 #define SDL_atoi atoi | |
| 494 #else | |
| 495 #define SDL_atoi(X) SDL_strtol(X, NULL, 0) | |
| 496 #endif | |
| 497 | |
| 498 #if HAVE_ATOF | |
| 499 #define SDL_atof atof | |
| 500 #else | |
| 501 #define SDL_atof(X) SDL_strtod(X, NULL) | |
| 502 #endif | |
| 503 | |
| 504 #if HAVE_STRCMP | |
| 505 #define SDL_strcmp strcmp | |
| 506 #else | |
| 507 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); | |
| 508 #endif | |
| 509 | |
| 510 #if HAVE_STRNCMP | |
| 511 #define SDL_strncmp strncmp | |
| 512 #else | |
| 513 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); | |
| 514 #endif | |
| 515 | |
| 516 #if HAVE_STRCASECMP | |
| 517 #define SDL_strcasecmp strcasecmp | |
| 1510 | 518 #elif HAVE__STRICMP |
| 519 #define SDL_strcasecmp _stricmp | |
| 1357 | 520 #else |
| 521 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); | |
| 522 #endif | |
| 523 | |
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524 #if HAVE_STRNCASECMP |
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525 #define SDL_strncasecmp strncasecmp |
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526 #else |
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527 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen); |
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528 #endif |
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529 |
| 1357 | 530 #if HAVE_SSCANF |
| 531 #define SDL_sscanf sscanf | |
| 532 #else | |
| 533 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); | |
| 534 #endif | |
| 535 | |
| 536 #if HAVE_SNPRINTF | |
| 537 #define SDL_snprintf snprintf | |
| 538 #else | |
| 539 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); | |
| 540 #endif | |
| 541 | |
| 542 #if HAVE_VSNPRINTF | |
| 543 #define SDL_vsnprintf vsnprintf | |
| 544 #else | |
| 545 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); | |
| 546 #endif | |
| 547 | |
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548 /* The SDL implementation of iconv() returns these error codes */ |
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549 #define SDL_ICONV_ERROR (size_t)-1 |
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550 #define SDL_ICONV_E2BIG (size_t)-2 |
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551 #define SDL_ICONV_EILSEQ (size_t)-3 |
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552 #define SDL_ICONV_EINVAL (size_t)-4 |
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553 |
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554 #if HAVE_ICONV |
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555 #define SDL_iconv_t iconv_t |
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556 #define SDL_iconv_open iconv_open |
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557 #define SDL_iconv_close iconv_close |
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558 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); |
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559 #else |
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560 typedef struct _SDL_iconv_t *SDL_iconv_t; |
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561 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode); |
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562 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
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563 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); |
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564 #endif |
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565 /* This function converts a string between encodings in one pass, returning a |
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566 string that must be freed with SDL_free() or NULL on error. |
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567 */ |
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568 extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, char *inbuf, size_t inbytesleft); |
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569 #define SDL_iconv_utf8_ascii(S) SDL_iconv_string("ASCII", "UTF-8", S, SDL_strlen(S)+1) |
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570 #define SDL_iconv_utf8_latin1(S) SDL_iconv_string("LATIN1", "UTF-8", S, SDL_strlen(S)+1) |
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571 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) |
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572 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) |
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573 |
| 1357 | 574 /* Ends C function definitions when using C++ */ |
| 575 #ifdef __cplusplus | |
| 576 } | |
| 577 #endif | |
| 578 #include "close_code.h" | |
| 579 | |
| 580 #endif /* _SDL_stdinc_h */ |