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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: */ |