SDL_stdinc.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
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
*/
/* This is a general header that includes C language support */
#ifndef _SDL_stdinc_h
#define _SDL_stdinc_h
#include "SDL_config.h"
32
33
#include <sys/types.h>
#endif
35
36
#include <stdio.h>
#endif
38
39
40
41
# include <stdlib.h>
# include <stddef.h>
# include <stdarg.h>
#else
42
43
44
45
# if defined(HAVE_STDLIB_H)
# include <stdlib.h>
# elif defined(HAVE_MALLOC_H)
# include <malloc.h>
46
# endif
52
53
# endif
#endif
54
55
56
#ifdef HAVE_STRING_H
# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
# include <memory.h>
57
58
59
# endif
# include <string.h>
#endif
61
62
# include <strings.h>
#endif
64
# include <inttypes.h>
66
67
# include <stdint.h>
#endif
69
70
# include <ctype.h>
#endif
72
73
# include <iconv.h>
#endif
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/* The number of elements in an array */
#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
#define SDL_TABLESIZE(table) SDL_arraysize(table)
/* Basic data types */
typedef enum SDL_bool {
SDL_FALSE = 0,
SDL_TRUE = 1
} SDL_bool;
typedef int8_t Sint8;
typedef uint8_t Uint8;
typedef int16_t Sint16;
typedef uint16_t Uint16;
typedef int32_t Sint32;
typedef uint32_t Uint32;
#ifdef SDL_HAS_64BIT_TYPE
typedef int64_t Sint64;
94
#ifndef SYMBIAN32_GCCE
95
typedef uint64_t Uint64;
96
#endif
97
98
99
100
101
102
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
133
134
135
136
137
138
139
140
#else
/* This is really just a hack to prevent the compiler from complaining */
typedef struct {
Uint32 hi;
Uint32 lo;
} Uint64, Sint64;
#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]
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);
SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
/* 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
typedef enum {
DUMMY_ENUM_VALUE
} SDL_DUMMY_ENUM;
SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
142
143
144
145
146
#define SDL_malloc malloc
#else
extern DECLSPEC void * SDLCALL SDL_malloc(size_t size);
#endif
148
149
150
151
152
#define SDL_calloc calloc
#else
extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size);
#endif
154
155
156
157
158
#define SDL_realloc realloc
#else
extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size);
#endif
160
161
162
163
164
#define SDL_free free
#else
extern DECLSPEC void SDLCALL SDL_free(void *mem);
#endif
167
# include <alloca.h>
168
# elif defined(__GNUC__)
169
# define alloca __builtin_alloca
170
# elif defined(_MSC_VER)
171
172
# include <malloc.h>
# define alloca _alloca
177
# elif defined(__AIX__)
178
#pragma alloca
179
180
# elif defined(__MRC__)
void *alloca (unsigned);
181
182
183
184
# else
char *alloca ();
# endif
#endif
186
#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
187
188
#define SDL_stack_free(data)
#else
189
#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
190
191
192
#define SDL_stack_free(data) SDL_free(data)
#endif
194
195
196
197
198
#define SDL_getenv getenv
#else
extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
#endif
200
201
202
203
204
#define SDL_putenv putenv
#else
extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
#endif
206
207
208
209
210
211
#define SDL_qsort qsort
#else
extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
int (*compare)(const void *, const void *));
#endif
213
214
215
216
217
#define SDL_abs abs
#else
#define SDL_abs(X) ((X) < 0 ? -(X) : (X))
#endif
218
219
220
#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
222
223
224
225
226
227
228
229
230
231
232
#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
234
235
236
237
238
#define SDL_memset memset
#else
extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len);
#endif
239
240
241
242
/* We can count on memset existing on Mac OS X and being well-tuned. */
#if defined(__MACH__) && defined(__APPLE__)
#define SDL_memset4(dst, val, len) memset(dst, val, (len)*4)
#elif defined(__GNUC__) && defined(i386)
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
#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) \
: "0" (dst), "1" (val), "2" ((Uint32)(len)) \
: "memory" ); \
} while(0)
#endif
#ifndef SDL_memset4
#define SDL_memset4(dst, val, len) \
do { \
unsigned _count = (len); \
unsigned _n = (_count + 3) / 4; \
Uint32 *_p = (Uint32 *)(dst); \
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
271
272
273
274
/* 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)
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
#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) \
: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \
: "memory" ); \
} while(0)
#endif
#ifndef SDL_memcpy
295
#define SDL_memcpy memcpy
297
298
299
300
301
302
#define SDL_memcpy(d, s, n) bcopy((s), (d), (n))
#else
extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len);
#endif
#endif
303
304
305
306
/* 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)
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
#define SDL_memcpy4(dst, src, len) \
do { \
int ecx, edi, esi; \
__asm__ __volatile__ ( \
"cld\n\t" \
"rep ; movsl" \
: "=&c" (ecx), "=&D" (edi), "=&S" (esi) \
: "0" ((unsigned)(len)), "1" (dst), "2" (src) \
: "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; \
char *dstp = (char *)(dst); \
char *srcp = (char *)(src); \
int n = (len); \
if ( n >= 4 ) { \
__asm__ __volatile__ ( \
"std\n\t" \
"rep ; movsl\n\t" \
: "=&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
extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len);
#endif
353
#define SDL_memmove memmove
355
356
357
358
359
360
361
362
363
364
365
366
#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
368
369
370
371
372
#define SDL_memcmp memcmp
#else
extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
#endif
374
375
376
377
378
#define SDL_strlen strlen
#else
extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
#endif
380
#define SDL_strlcpy strlcpy
381
#else
382
extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen);
383
384
#endif
386
#define SDL_strlcat strlcat
387
#else
388
extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen);
389
390
#endif
392
393
394
395
396
#define SDL_strdup strdup
#else
extern DECLSPEC char * SDLCALL SDL_strdup(const char *string);
#endif
398
399
400
401
402
#define SDL_strrev _strrev
#else
extern DECLSPEC char * SDLCALL SDL_strrev(char *string);
#endif
404
405
406
407
408
#define SDL_strupr _strupr
#else
extern DECLSPEC char * SDLCALL SDL_strupr(char *string);
#endif
410
411
412
413
414
#define SDL_strlwr _strlwr
#else
extern DECLSPEC char * SDLCALL SDL_strlwr(char *string);
#endif
416
#define SDL_strchr strchr
418
419
420
421
422
#define SDL_strchr index
#else
extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c);
#endif
424
#define SDL_strrchr strrchr
426
427
428
429
430
#define SDL_strrchr rindex
#else
extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c);
#endif
432
433
434
435
436
#define SDL_strstr strstr
#else
extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle);
#endif
438
439
440
441
442
#define SDL_itoa itoa
#else
#define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix)
#endif
444
445
446
447
448
#define SDL_ltoa _ltoa
#else
extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix);
#endif
450
451
452
453
454
#define SDL_uitoa _uitoa
#else
#define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix)
#endif
456
457
458
459
460
#define SDL_ultoa _ultoa
#else
extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix);
#endif
462
463
464
465
466
#define SDL_strtol strtol
#else
extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base);
#endif
468
469
470
471
472
#define SDL_strtoul strtoul
#else
extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base);
#endif
476
477
478
479
480
#define SDL_lltoa _i64toa
#else
extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix);
#endif
482
483
484
485
486
#define SDL_ulltoa _ui64toa
#else
extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix);
#endif
488
489
490
491
492
#define SDL_strtoll strtoll
#else
extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base);
#endif
494
495
496
497
498
#define SDL_strtoull strtoull
#else
extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base);
#endif
499
500
#endif /* SDL_HAS_64BIT_TYPE */
502
503
504
505
506
#define SDL_strtod strtod
#else
extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);
#endif
508
509
510
511
512
#define SDL_atoi atoi
#else
#define SDL_atoi(X) SDL_strtol(X, NULL, 0)
#endif
514
515
516
517
518
#define SDL_atof atof
#else
#define SDL_atof(X) SDL_strtod(X, NULL)
#endif
520
521
522
523
524
#define SDL_strcmp strcmp
#else
extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
#endif
526
527
528
529
530
#define SDL_strncmp strncmp
#else
extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
#endif
532
#define SDL_strcasecmp strcasecmp
534
#define SDL_strcasecmp _stricmp
535
536
537
538
#else
extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
#endif
540
#define SDL_strncasecmp strncasecmp
542
#define SDL_strncasecmp _strnicmp
543
544
545
546
#else
extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen);
#endif
548
549
550
551
552
#define SDL_sscanf sscanf
#else
extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...);
#endif
554
555
556
557
558
#define SDL_snprintf snprintf
#else
extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...);
#endif
560
561
562
563
564
#define SDL_vsnprintf vsnprintf
#else
extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
#endif
565
566
567
568
569
570
/* 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
572
573
574
#define SDL_iconv_t iconv_t
#define SDL_iconv_open iconv_open
#define SDL_iconv_close iconv_close
575
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
576
577
578
579
#else
typedef struct _SDL_iconv_t *SDL_iconv_t;
extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode);
extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
580
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
582
583
584
/* This function converts a string between encodings in one pass, returning a
string that must be freed with SDL_free() or NULL on error.
*/
585
extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft);
586
587
588
589
590
#define SDL_iconv_utf8_ascii(S) SDL_iconv_string("ASCII", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_latin1(S) SDL_iconv_string("LATIN1", "UTF-8", S, SDL_strlen(S)+1)
#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)
591
592
593
594
595
596
597
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_stdinc_h */