This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_stdinc.h
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
23
24
25
26
27
/**
* \file SDL_stdinc.h
*
* This is a general header that includes C language support
*/
28
29
30
31
32
33
34
#ifndef _SDL_stdinc_h
#define _SDL_stdinc_h
#include "SDL_config.h"
35
#ifdef HAVE_SYS_TYPES_H
36
37
#include <sys/types.h>
#endif
38
#ifdef HAVE_STDIO_H
39
40
#include <stdio.h>
#endif
41
#if defined(STDC_HEADERS)
42
43
44
45
# include <stdlib.h>
# include <stddef.h>
# include <stdarg.h>
#else
46
47
48
49
# if defined(HAVE_STDLIB_H)
# include <stdlib.h>
# elif defined(HAVE_MALLOC_H)
# include <malloc.h>
50
# endif
51
52
# if defined(HAVE_STDDEF_H)
# include <stddef.h>
54
55
# if defined(HAVE_STDARG_H)
# include <stdarg.h>
56
57
# endif
#endif
58
59
60
#ifdef HAVE_STRING_H
# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
# include <memory.h>
61
62
63
# endif
# include <string.h>
#endif
64
#ifdef HAVE_STRINGS_H
65
66
# include <strings.h>
#endif
67
#if defined(HAVE_INTTYPES_H)
68
# include <inttypes.h>
69
#elif defined(HAVE_STDINT_H)
70
71
# include <stdint.h>
#endif
72
#ifdef HAVE_CTYPE_H
73
74
# include <ctype.h>
#endif
75
76
77
#ifdef HAVE_MATH_H
# include <math.h>
#endif
78
#ifdef HAVE_ICONV_H
79
80
# include <iconv.h>
#endif
81
82
83
84
85
/* The number of elements in an array */
#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
#define SDL_TABLESIZE(table) SDL_arraysize(table)
86
87
88
89
90
91
92
93
94
95
/* Use proper C++ casts when compiled as C++ to be compatible with the option
-Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above. */
#ifdef __cplusplus
#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
#define SDL_static_cast(type, expression) static_cast<type>(expression)
#else
#define SDL_reinterpret_cast(type, expression) ((type)(expression))
#define SDL_static_cast(type, expression) ((type)(expression))
#endif
96
/* Basic data types */
97
98
99
100
typedef enum SDL_bool
{
SDL_FALSE = 0,
SDL_TRUE = 1
101
102
} SDL_bool;
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/**
* \typedef Sint8
* \brief A signed 8-bit integer type.
*/
typedef int8_t Sint8;
/**
* \typedef Uint8
* \brief An unsigned 8-bit integer type.
*/
typedef uint8_t Uint8;
/**
* \typedef Sint16
* \brief A signed 16-bit integer type.
*/
typedef int16_t Sint16;
/**
* \typedef Uint16
* \brief An unsigned 16-bit integer type.
*/
typedef uint16_t Uint16;
/**
* \typedef Sint32
* \brief A signed 32-bit integer type.
*/
typedef int32_t Sint32;
/**
* \typedef Uint32
* \brief An unsigned 32-bit integer type.
*/
typedef uint32_t Uint32;
133
134
#ifdef SDL_HAS_64BIT_TYPE
135
136
137
138
139
140
141
142
143
144
145
146
/**
* \typedef Sint64
* \brief A signed 64-bit integer type.
* \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32!
*/
typedef int64_t Sint64;
/**
* \typedef Uint64
* \brief An unsigned 64-bit integer type.
* \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32!
*/
typedef uint64_t Uint64;
147
148
#else
/* This is really just a hack to prevent the compiler from complaining */
149
150
typedef Sint32 Sint64;
typedef Uint32 Uint64;
151
152
153
154
155
#endif
/* Make sure the types really have the right sizes */
#define SDL_COMPILE_TIME_ASSERT(name, x) \
typedef int SDL_dummy_ ## name[(x) * 2 - 1]
156
#ifndef DOXYGEN_SHOULD_IGNORE_THIS
157
158
159
160
161
162
SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
163
164
165
#ifndef __NINTENDODS__ /* TODO: figure out why the following happens:
include/SDL_stdinc.h:150: error: size of array 'SDL_dummy_uint64' is negative
include/SDL_stdinc.h:151: error: size of array 'SDL_dummy_sint64' is negative */
166
167
SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
169
#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
170
171
172
173
174
175
176
177
178
179
180
/* Check to make sure enums are the size of ints, for structure packing.
For both Watcom C/C++ and Borland C/C++ the compiler option that makes
enums having the size of an int must be enabled.
This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
*/
/* Enable enums always int in CodeWarrior (for MPW use "-enum int") */
#ifdef __MWERKS__
#pragma enumsalwaysint on
#endif
181
#ifndef DOXYGEN_SHOULD_IGNORE_THIS
182
#ifndef __NINTENDODS__ /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
183
184
185
typedef enum
{
DUMMY_ENUM_VALUE
186
187
188
} SDL_DUMMY_ENUM;
SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
190
#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
191
192
193
194
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
195
/* *INDENT-OFF* */
196
extern "C" {
197
/* *INDENT-ON* */
198
199
#endif
200
#ifdef HAVE_MALLOC
201
202
#define SDL_malloc malloc
#else
203
extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
204
205
#endif
206
#ifdef HAVE_CALLOC
207
208
#define SDL_calloc calloc
#else
209
extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
210
211
#endif
212
#ifdef HAVE_REALLOC
213
214
#define SDL_realloc realloc
#else
215
extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
216
217
#endif
218
#ifdef HAVE_FREE
219
220
221
222
223
#define SDL_free free
#else
extern DECLSPEC void SDLCALL SDL_free(void *mem);
#endif
224
225
#if defined(HAVE_ALLOCA) && !defined(alloca)
# if defined(HAVE_ALLOCA_H)
226
# include <alloca.h>
227
# elif defined(__GNUC__)
228
# define alloca __builtin_alloca
229
# elif defined(_MSC_VER)
230
231
# include <malloc.h>
# define alloca _alloca
232
233
# elif defined(__WATCOMC__)
# include <malloc.h>
234
235
# elif defined(__BORLANDC__)
# include <malloc.h>
236
237
# elif defined(__DMC__)
# include <stdlib.h>
238
# elif defined(__AIX__)
239
#pragma alloca
240
# elif defined(__MRC__)
241
void *alloca(unsigned);
243
char *alloca();
244
245
# endif
#endif
246
#ifdef HAVE_ALLOCA
247
#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
248
249
#define SDL_stack_free(data)
#else
250
#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
251
252
253
#define SDL_stack_free(data) SDL_free(data)
#endif
254
#ifdef HAVE_GETENV
255
256
#define SDL_getenv getenv
#else
257
extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
258
259
#endif
260
#ifdef HAVE_PUTENV
261
262
263
264
265
#define SDL_putenv putenv
#else
extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
#endif
266
#ifdef HAVE_QSORT
267
268
269
#define SDL_qsort qsort
#else
extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
270
271
int (*compare) (const void *,
const void *));
272
273
#endif
274
#ifdef HAVE_ABS
275
276
277
278
279
#define SDL_abs abs
#else
#define SDL_abs(X) ((X) < 0 ? -(X) : (X))
#endif
280
281
282
#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
283
#ifdef HAVE_CTYPE_H
284
285
286
287
288
289
290
291
292
293
294
#define SDL_isdigit(X) isdigit(X)
#define SDL_isspace(X) isspace(X)
#define SDL_toupper(X) toupper(X)
#define SDL_tolower(X) tolower(X)
#else
#define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9'))
#define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
#define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
#define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
#endif
295
#ifdef HAVE_MEMSET
296
297
#define SDL_memset memset
#else
298
extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);
299
#endif
300
301
#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
303
#if defined(__GNUC__) && defined(i386)
304
305
306
307
308
309
310
#define SDL_memset4(dst, val, len) \
do { \
int u0, u1, u2; \
__asm__ __volatile__ ( \
"cld\n\t" \
"rep ; stosl\n\t" \
: "=&D" (u0), "=&a" (u1), "=&c" (u2) \
311
: "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len)) \
312
313
314
315
316
317
318
319
: "memory" ); \
} while(0)
#endif
#ifndef SDL_memset4
#define SDL_memset4(dst, val, len) \
do { \
unsigned _count = (len); \
unsigned _n = (_count + 3) / 4; \
320
Uint32 *_p = SDL_static_cast(Uint32 *, dst); \
321
322
323
324
325
326
327
328
329
330
331
Uint32 _val = (val); \
switch (_count % 4) { \
case 0: do { *_p++ = _val; \
case 3: *_p++ = _val; \
case 2: *_p++ = _val; \
case 1: *_p++ = _val; \
} while ( --_n ); \
} \
} while(0)
#endif
332
333
334
335
/* We can count on memcpy existing on Mac OS X and being well-tuned. */
#if defined(__MACH__) && defined(__APPLE__)
#define SDL_memcpy(dst, src, len) memcpy(dst, src, len)
#elif defined(__GNUC__) && defined(i386)
336
337
338
339
340
341
342
343
344
345
346
347
348
349
#define SDL_memcpy(dst, src, len) \
do { \
int u0, u1, u2; \
__asm__ __volatile__ ( \
"cld\n\t" \
"rep ; movsl\n\t" \
"testb $2,%b4\n\t" \
"je 1f\n\t" \
"movsw\n" \
"1:\ttestb $1,%b4\n\t" \
"je 2f\n\t" \
"movsb\n" \
"2:" \
: "=&c" (u0), "=&D" (u1), "=&S" (u2) \
350
: "0" (SDL_static_cast(unsigned, len)/4), "q" (len), "1" (dst),"2" (src) \
351
352
353
354
: "memory" ); \
} while(0)
#endif
#ifndef SDL_memcpy
355
#ifdef HAVE_MEMCPY
356
#define SDL_memcpy memcpy
357
#elif defined(HAVE_BCOPY)
358
359
#define SDL_memcpy(d, s, n) bcopy((s), (d), (n))
#else
360
361
extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src,
size_t len);
362
363
364
#endif
#endif
365
366
367
368
/* We can count on memcpy existing on Mac OS X and being well-tuned. */
#if defined(__MACH__) && defined(__APPLE__)
#define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4)
#elif defined(__GNUC__) && defined(i386)
369
370
371
372
373
374
375
#define SDL_memcpy4(dst, src, len) \
do { \
int ecx, edi, esi; \
__asm__ __volatile__ ( \
"cld\n\t" \
"rep ; movsl" \
: "=&c" (ecx), "=&D" (edi), "=&S" (esi) \
376
: "0" (SDL_static_cast(unsigned, len)), "1" (dst), "2" (src) \
377
378
379
380
381
382
383
384
385
386
387
: "memory" ); \
} while(0)
#endif
#ifndef SDL_memcpy4
#define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2)
#endif
#if defined(__GNUC__) && defined(i386)
#define SDL_revcpy(dst, src, len) \
do { \
int u0, u1, u2; \
388
389
char *dstp = SDL_static_cast(char *, dst); \
char *srcp = SDL_static_cast(char *, src); \
390
391
392
393
394
int n = (len); \
if ( n >= 4 ) { \
__asm__ __volatile__ ( \
"std\n\t" \
"rep ; movsl\n\t" \
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
: "=&c" (u0), "=&D" (u1), "=&S" (u2) \
: "0" (n >> 2), \
"1" (dstp+(n-4)), "2" (srcp+(n-4)) \
: "memory" ); \
} \
switch (n & 3) { \
case 3: dstp[2] = srcp[2]; \
case 2: dstp[1] = srcp[1]; \
case 1: dstp[0] = srcp[0]; \
break; \
default: \
break; \
} \
} while(0)
#endif
#ifndef SDL_revcpy
412
413
extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src,
size_t len);
414
415
#endif
416
#ifdef HAVE_MEMMOVE
417
#define SDL_memmove memmove
418
#elif defined(HAVE_BCOPY)
419
420
421
422
423
424
425
426
427
428
429
430
#define SDL_memmove(d, s, n) bcopy((s), (d), (n))
#else
#define SDL_memmove(dst, src, len) \
do { \
if ( dst < src ) { \
SDL_memcpy(dst, src, len); \
} else { \
SDL_revcpy(dst, src, len); \
} \
} while(0)
#endif
431
#ifdef HAVE_MEMCMP
432
433
#define SDL_memcmp memcmp
#else
434
435
extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2,
size_t len);
436
437
#endif
438
#ifdef HAVE_STRLEN
439
440
441
442
443
#define SDL_strlen strlen
#else
extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
#endif
444
445
446
#ifdef HAVE_WCSLEN
#define SDL_wcslen wcslen
#else
447
448
449
#if !defined(wchar_t) && defined(__NINTENDODS__)
#define wchar_t short /* TODO: figure out why libnds doesn't have this */
#endif
450
extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string);
453
#ifdef HAVE_STRLCPY
454
#define SDL_strlcpy strlcpy
455
#else
456
457
extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src,
size_t maxlen);
458
459
#endif
460
#ifdef HAVE_STRLCAT
461
#define SDL_strlcat strlcat
462
#else
463
464
extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src,
size_t maxlen);
465
466
#endif
467
#ifdef HAVE_STRDUP
468
469
#define SDL_strdup strdup
#else
470
extern DECLSPEC char *SDLCALL SDL_strdup(const char *string);
471
472
#endif
473
#ifdef HAVE__STRREV
474
475
#define SDL_strrev _strrev
#else
476
extern DECLSPEC char *SDLCALL SDL_strrev(char *string);
477
478
#endif
479
#ifdef HAVE__STRUPR
480
481
#define SDL_strupr _strupr
#else
482
extern DECLSPEC char *SDLCALL SDL_strupr(char *string);
483
484
#endif
485
#ifdef HAVE__STRLWR
486
487
#define SDL_strlwr _strlwr
#else
488
extern DECLSPEC char *SDLCALL SDL_strlwr(char *string);
489
490
#endif
491
#ifdef HAVE_STRCHR
492
#define SDL_strchr strchr
493
#elif defined(HAVE_INDEX)
494
495
#define SDL_strchr index
#else
496
extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c);
497
498
#endif
499
#ifdef HAVE_STRRCHR
500
#define SDL_strrchr strrchr
501
#elif defined(HAVE_RINDEX)
502
503
#define SDL_strrchr rindex
#else
504
extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c);
505
506
#endif
507
#ifdef HAVE_STRSTR
508
509
#define SDL_strstr strstr
#else
510
511
extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack,
const char *needle);
512
513
#endif
514
#ifdef HAVE_ITOA
515
516
517
518
519
#define SDL_itoa itoa
#else
#define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix)
#endif
520
#ifdef HAVE__LTOA
521
522
#define SDL_ltoa _ltoa
#else
523
extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix);
524
525
#endif
526
#ifdef HAVE__UITOA
527
528
529
530
531
#define SDL_uitoa _uitoa
#else
#define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix)
#endif
532
#ifdef HAVE__ULTOA
533
534
#define SDL_ultoa _ultoa
#else
535
536
extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string,
int radix);
537
538
#endif
539
#ifdef HAVE_STRTOL
540
541
#define SDL_strtol strtol
#else
542
543
extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp,
int base);
544
545
#endif
546
#ifdef HAVE_STRTOUL
547
548
#define SDL_strtoul strtoul
#else
549
550
extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string,
char **endp, int base);
551
552
#endif
553
#ifdef SDL_HAS_64BIT_TYPE
555
#ifdef HAVE__I64TOA
556
557
#define SDL_lltoa _i64toa
#else
558
559
extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string,
int radix);
560
561
#endif
562
#ifdef HAVE__UI64TOA
563
564
#define SDL_ulltoa _ui64toa
#else
565
566
extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string,
int radix);
567
568
#endif
569
#ifdef HAVE_STRTOLL
570
571
#define SDL_strtoll strtoll
#else
572
573
extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp,
int base);
574
575
#endif
576
#ifdef HAVE_STRTOULL
577
578
#define SDL_strtoull strtoull
#else
579
580
extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp,
int base);
581
582
#endif
583
584
#endif /* SDL_HAS_64BIT_TYPE */
585
#ifdef HAVE_STRTOD
586
587
588
589
590
#define SDL_strtod strtod
#else
extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);
#endif
591
#ifdef HAVE_ATOI
592
593
594
595
596
#define SDL_atoi atoi
#else
#define SDL_atoi(X) SDL_strtol(X, NULL, 0)
#endif
597
#ifdef HAVE_ATOF
598
599
600
601
602
#define SDL_atof atof
#else
#define SDL_atof(X) SDL_strtod(X, NULL)
#endif
603
#ifdef HAVE_STRCMP
604
605
606
607
608
#define SDL_strcmp strcmp
#else
extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
#endif
609
#ifdef HAVE_STRNCMP
610
611
#define SDL_strncmp strncmp
#else
612
613
extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2,
size_t maxlen);
614
615
#endif
616
#ifdef HAVE_STRCASECMP
617
#define SDL_strcasecmp strcasecmp
618
#elif defined(HAVE__STRICMP)
619
#define SDL_strcasecmp _stricmp
620
#else
621
622
extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1,
const char *str2);
623
624
#endif
625
#ifdef HAVE_STRNCASECMP
626
#define SDL_strncasecmp strncasecmp
627
#elif defined(HAVE__STRNICMP)
628
#define SDL_strncasecmp _strnicmp
630
631
extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1,
const char *str2, size_t maxlen);
634
#ifdef HAVE_SSCANF
635
636
#define SDL_sscanf sscanf
#else
637
638
extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt,
...);
639
640
#endif
641
#ifdef HAVE_SNPRINTF
642
643
#define SDL_snprintf snprintf
#else
644
645
extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen,
const char *fmt, ...);
646
647
#endif
648
#ifdef HAVE_VSNPRINTF
649
650
#define SDL_vsnprintf vsnprintf
#else
651
652
extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen,
const char *fmt, va_list ap);
653
654
#endif
655
656
657
658
#ifndef HAVE_M_PI
#define M_PI 3.14159265358979323846264338327950288 /* pi */
#endif
659
660
661
662
663
664
#ifdef HAVE_CEIL
#define SDL_ceil ceil
#else
#define SDL_ceil(x) ((double)(int)((x)+0.5))
#endif
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
#ifdef HAVE_COPYSIGN
#define SDL_copysign copysign
#else
extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
#endif
#ifdef HAVE_COS
#define SDL_cos cos
#else
extern DECLSPEC double SDLCALL SDL_cos(double x);
#endif
#ifdef HAVE_COSF
#define SDL_cosf cosf
#else
#define SDL_cosf(x) (float)SDL_cos((double)x)
#endif
#ifdef HAVE_FABS
#define SDL_fabs fabs
#else
extern DECLSPEC double SDLCALL SDL_fabs(double x);
#endif
#ifdef HAVE_FLOOR
#define SDL_floor floor
#else
extern DECLSPEC double SDLCALL SDL_floor(double x);
#endif
#ifdef HAVE_LOG
#define SDL_log log
#else
extern DECLSPEC double SDLCALL SDL_log(double x);
#endif
#ifdef HAVE_POW
#define SDL_pow pow
#else
extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
#endif
#ifdef HAVE_SCALBN
#define SDL_scalbn scalbn
#else
extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
#endif
#ifdef HAVE_SIN
#define SDL_sin sin
#else
extern DECLSPEC double SDLCALL SDL_sin(double x);
#endif
#ifdef HAVE_SINF
#define SDL_sinf sinf
#else
#define SDL_sinf(x) (float)SDL_sin((double)x)
#endif
#ifdef HAVE_SQRT
#define SDL_sqrt sqrt
#else
extern DECLSPEC double SDLCALL SDL_sqrt(double x);
#endif
731
732
733
734
735
736
/* The SDL implementation of iconv() returns these error codes */
#define SDL_ICONV_ERROR (size_t)-1
#define SDL_ICONV_E2BIG (size_t)-2
#define SDL_ICONV_EILSEQ (size_t)-3
#define SDL_ICONV_EINVAL (size_t)-4
737
#ifdef HAVE_ICONV
738
739
740
741
742
#define SDL_iconv_t iconv_t
#define SDL_iconv_open iconv_open
#define SDL_iconv_close iconv_close
#else
typedef struct _SDL_iconv_t *SDL_iconv_t;
743
744
extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
const char *fromcode);
745
extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
746
747
#endif
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
748
749
size_t * inbytesleft, char **outbuf,
size_t * outbytesleft);
750
751
752
/* This function converts a string between encodings in one pass, returning a
string that must be freed with SDL_free() or NULL on error.
*/
753
754
extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
const char *fromcode,
755
const char *inbuf,
756
size_t inbytesleft);
757
#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
758
759
760
#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
761
762
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
763
/* *INDENT-OFF* */
765
/* *INDENT-ON* */
766
767
768
769
#endif
#include "close_code.h"
#endif /* _SDL_stdinc_h */
770
771
/* vi: set ts=4 sw=4 expandtab: */