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comparison touchTest/Iphone Test/touchTestIPhone2/touchTestIPhone/include/SDL_stdinc.h @ 4677:31607094315c

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Added Iphone project. Iphone multi-touch is now functional.
author jimtla
date Sat, 31 Jul 2010 01:24:50 +0400
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4676:99b4560b7aa1 4677:31607094315c
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: */