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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_stdinc.h
*
* This is a general header that includes C language support.
*/
#ifndef _SDL_stdinc_h
#define _SDL_stdinc_h
#include "SDL_config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#if defined(STDC_HEADERS)
# include <stdlib.h>
# include <stddef.h>
# include <stdarg.h>
#else
# if defined(HAVE_STDLIB_H)
# include <stdlib.h>
# elif defined(HAVE_MALLOC_H)
# include <malloc.h>
# endif
# if defined(HAVE_STDDEF_H)
# include <stddef.h>
# endif
# if defined(HAVE_STDARG_H)
# include <stdarg.h>
# endif
#endif
#ifdef HAVE_STRING_H
# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
# include <memory.h>
# endif
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#elif defined(HAVE_STDINT_H)
# include <stdint.h>
#endif
#ifdef HAVE_CTYPE_H
# include <ctype.h>
#endif
#ifdef HAVE_MATH_H
74
75
76
77
78
79
80
# if defined(__WINRT__)
/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
Windows RT. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
for more information.
*/
# define _USE_MATH_DEFINES
# endif
81
82
# include <math.h>
#endif
83
84
85
#ifdef HAVE_FLOAT_H
# include <float.h>
#endif
86
87
88
89
90
91
92
93
94
95
96
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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
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
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
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
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
# include <iconv.h>
#endif
/**
* The number of elements in an array.
*/
#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
#define SDL_TABLESIZE(table) SDL_arraysize(table)
/**
* \name Cast operators
*
* 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)
#define SDL_const_cast(type, expression) const_cast<type>(expression)
#else
#define SDL_reinterpret_cast(type, expression) ((type)(expression))
#define SDL_static_cast(type, expression) ((type)(expression))
#define SDL_const_cast(type, expression) ((type)(expression))
#endif
/*@}*//*Cast operators*/
/* Define a four character code as a Uint32 */
#define SDL_FOURCC(A, B, C, D) \
((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
/**
* \name Basic data types
*/
/*@{*/
typedef enum
{
SDL_FALSE = 0,
SDL_TRUE = 1
} SDL_bool;
/**
* \brief A signed 8-bit integer type.
*/
typedef int8_t Sint8;
/**
* \brief An unsigned 8-bit integer type.
*/
typedef uint8_t Uint8;
/**
* \brief A signed 16-bit integer type.
*/
typedef int16_t Sint16;
/**
* \brief An unsigned 16-bit integer type.
*/
typedef uint16_t Uint16;
/**
* \brief A signed 32-bit integer type.
*/
typedef int32_t Sint32;
/**
* \brief An unsigned 32-bit integer type.
*/
typedef uint32_t Uint32;
/**
* \brief A signed 64-bit integer type.
*/
typedef int64_t Sint64;
/**
* \brief An unsigned 64-bit integer type.
*/
typedef uint64_t Uint64;
/*@}*//*Basic data types*/
#define SDL_COMPILE_TIME_ASSERT(name, x) \
typedef int SDL_dummy_ ## name[(x) * 2 - 1]
/** \cond */
#ifndef DOXYGEN_SHOULD_IGNORE_THIS
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);
#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
/** \endcond */
/* 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).
*/
/** \cond */
#ifndef DOXYGEN_SHOULD_IGNORE_THIS
#if !defined(__ANDROID__)
/* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
typedef enum
{
DUMMY_ENUM_VALUE
} SDL_DUMMY_ENUM;
SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
#endif
#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
/** \endcond */
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
#if defined(HAVE_ALLOCA) && !defined(alloca)
# if defined(HAVE_ALLOCA_H)
# include <alloca.h>
# elif defined(__GNUC__)
# define alloca __builtin_alloca
# elif defined(_MSC_VER)
# include <malloc.h>
# define alloca _alloca
# elif defined(__WATCOMC__)
# include <malloc.h>
# elif defined(__BORLANDC__)
# include <malloc.h>
# elif defined(__DMC__)
# include <stdlib.h>
# elif defined(__AIX__)
#pragma alloca
# elif defined(__MRC__)
void *alloca(unsigned);
# else
char *alloca();
# endif
#endif
#ifdef HAVE_ALLOCA
#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
#define SDL_stack_free(data)
#else
#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
#define SDL_stack_free(data) SDL_free(data)
#endif
extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
extern DECLSPEC void SDLCALL SDL_free(void *mem);
extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (*compare) (const void *, const void *));
extern DECLSPEC int SDLCALL SDL_abs(int x);
/* !!! FIXME: these have side effects. You probably shouldn't use them. */
/* !!! FIXME: Maybe we do forceinline functions of SDL_mini, SDL_minf, etc? */
#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
extern DECLSPEC int SDLCALL SDL_isdigit(int x);
extern DECLSPEC int SDLCALL SDL_isspace(int x);
extern DECLSPEC int SDLCALL SDL_toupper(int x);
extern DECLSPEC int SDLCALL SDL_tolower(int x);
extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);
#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
/* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
SDL_FORCE_INLINE void SDL_memset4(void *dst, int val, size_t dwords)
{
#if defined(__GNUC__) && defined(i386)
int u0, u1, u2;
__asm__ __volatile__ (
"cld \n\t"
"rep ; stosl \n\t"
: "=&D" (u0), "=&a" (u1), "=&c" (u2)
: "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
: "memory"
);
#else
size_t _n = (dwords + 3) / 4;
Uint32 *_p = SDL_static_cast(Uint32 *, dst);
Uint32 _val = (val);
if (dwords == 0)
return;
switch (dwords % 4)
{
case 0: do { *_p++ = _val;
case 3: *_p++ = _val;
case 2: *_p++ = _val;
case 1: *_p++ = _val;
} while ( --_n );
}
#endif
}
extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src, size_t len);
SDL_FORCE_INLINE void *SDL_memcpy4(void *dst, const void *src, size_t dwords)
{
return SDL_memcpy(dst, src, dwords * 4);
}
extern DECLSPEC void *SDLCALL SDL_memmove(void *dst, const void *src, size_t len);
extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
extern DECLSPEC size_t SDLCALL SDL_wcslcpy(wchar_t *dst, const wchar_t *src, size_t maxlen);
extern DECLSPEC size_t SDLCALL SDL_wcslcat(wchar_t *dst, const wchar_t *src, size_t maxlen);
extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen);
extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(char *dst, const char *src, size_t dst_bytes);
extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen);
extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
extern DECLSPEC double SDLCALL SDL_atof(const char *str);
extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...);
extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...);
extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
#ifndef HAVE_M_PI
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327950288 /* pi */
#endif
#endif
extern DECLSPEC double SDLCALL SDL_atan(double x);
extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
extern DECLSPEC double SDLCALL SDL_ceil(double x);
extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
extern DECLSPEC double SDLCALL SDL_cos(double x);
extern DECLSPEC float SDLCALL SDL_cosf(float x);
extern DECLSPEC double SDLCALL SDL_fabs(double x);
extern DECLSPEC double SDLCALL SDL_floor(double x);
extern DECLSPEC double SDLCALL SDL_log(double x);
extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
extern DECLSPEC double SDLCALL SDL_sin(double x);
extern DECLSPEC float SDLCALL SDL_sinf(float x);
extern DECLSPEC double SDLCALL SDL_sqrt(double x);
/* 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
/* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
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);
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
size_t * inbytesleft, char **outbuf,
size_t * outbytesleft);
/**
* This function converts a string between encodings in one pass, returning a
* string that must be freed with SDL_free() or NULL on error.
*/
extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
const char *fromcode,
const char *inbuf,
size_t inbytesleft);
#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_stdinc_h */
/* vi: set ts=4 sw=4 expandtab: */