31 #include "SDL_config.h"
33 #ifdef HAVE_SYS_TYPES_H
34 #include <sys/types.h>
39 #if defined(STDC_HEADERS)
44 # if defined(HAVE_STDLIB_H)
46 # elif defined(HAVE_MALLOC_H)
49 # if defined(HAVE_STDDEF_H)
52 # if defined(HAVE_STDARG_H)
57 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
65 #if defined(HAVE_INTTYPES_H)
66 # include <inttypes.h>
67 #elif defined(HAVE_STDINT_H)
74 # if defined(__WINRT__)
79 # define _USE_MATH_DEFINES
86 #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
93 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
94 #define SDL_TABLESIZE(table) SDL_arraysize(table)
104 #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
105 #define SDL_static_cast(type, expression) static_cast<type>(expression)
106 #define SDL_const_cast(type, expression) const_cast<type>(expression)
108 #define SDL_reinterpret_cast(type, expression) ((type)(expression))
109 #define SDL_static_cast(type, expression) ((type)(expression))
110 #define SDL_const_cast(type, expression) ((type)(expression))
115 #define SDL_FOURCC(A, B, C, D) \
116 ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
117 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
118 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
119 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
173 #define SDL_PRIs64 PRIs64
174 #elif defined(__WIN32__)
175 #define SDL_PRIs64 "I64d"
176 #elif defined(__LINUX__) && defined(__LP64__)
177 #define SDL_PRIs64 "ld"
179 #define SDL_PRIs64 "lld"
184 #define SDL_PRIu64 PRIu64
185 #elif defined(__WIN32__)
186 #define SDL_PRIu64 "I64u"
187 #elif defined(__LINUX__) && defined(__LP64__)
188 #define SDL_PRIu64 "lu"
190 #define SDL_PRIu64 "llu"
195 #define SDL_PRIx64 PRIx64
196 #elif defined(__WIN32__)
197 #define SDL_PRIx64 "I64x"
198 #elif defined(__LINUX__) && defined(__LP64__)
199 #define SDL_PRIx64 "lx"
201 #define SDL_PRIx64 "llx"
206 #define SDL_PRIX64 PRIX64
207 #elif defined(__WIN32__)
208 #define SDL_PRIX64 "I64X"
209 #elif defined(__LINUX__) && defined(__LP64__)
210 #define SDL_PRIX64 "lX"
212 #define SDL_PRIX64 "llX"
217 #ifdef SDL_DISABLE_ANALYZE_MACROS
218 #define SDL_IN_BYTECAP(x)
219 #define SDL_INOUT_Z_CAP(x)
220 #define SDL_OUT_Z_CAP(x)
221 #define SDL_OUT_CAP(x)
222 #define SDL_OUT_BYTECAP(x)
223 #define SDL_OUT_Z_BYTECAP(x)
224 #define SDL_PRINTF_FORMAT_STRING
225 #define SDL_SCANF_FORMAT_STRING
226 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
227 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
229 #if defined(_MSC_VER) && (_MSC_VER >= 1600)
232 #define SDL_IN_BYTECAP(x) _In_bytecount_(x)
233 #define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
234 #define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
235 #define SDL_OUT_CAP(x) _Out_cap_(x)
236 #define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
237 #define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
239 #define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
240 #define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
242 #define SDL_IN_BYTECAP(x)
243 #define SDL_INOUT_Z_CAP(x)
244 #define SDL_OUT_Z_CAP(x)
245 #define SDL_OUT_CAP(x)
246 #define SDL_OUT_BYTECAP(x)
247 #define SDL_OUT_Z_BYTECAP(x)
248 #define SDL_PRINTF_FORMAT_STRING
249 #define SDL_SCANF_FORMAT_STRING
251 #if defined(__GNUC__)
252 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
253 #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
255 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
256 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
260 #define SDL_COMPILE_TIME_ASSERT(name, x) \
261 typedef int SDL_dummy_ ## name[(x) * 2 - 1]
263 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
264 SDL_COMPILE_TIME_ASSERT(uint8,
sizeof(
Uint8) == 1);
265 SDL_COMPILE_TIME_ASSERT(sint8,
sizeof(
Sint8) == 1);
266 SDL_COMPILE_TIME_ASSERT(uint16,
sizeof(
Uint16) == 2);
267 SDL_COMPILE_TIME_ASSERT(sint16,
sizeof(
Sint16) == 2);
268 SDL_COMPILE_TIME_ASSERT(uint32,
sizeof(
Uint32) == 4);
269 SDL_COMPILE_TIME_ASSERT(sint32,
sizeof(
Sint32) == 4);
270 SDL_COMPILE_TIME_ASSERT(uint64,
sizeof(
Uint64) == 8);
271 SDL_COMPILE_TIME_ASSERT(sint64,
sizeof(
Sint64) == 8);
282 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
283 #if !defined(__ANDROID__)
290 SDL_COMPILE_TIME_ASSERT(
enum,
sizeof(SDL_DUMMY_ENUM) ==
sizeof(
int));
301 #if defined(HAVE_ALLOCA) && !defined(alloca)
302 # if defined(HAVE_ALLOCA_H)
304 # elif defined(__GNUC__)
305 # define alloca __builtin_alloca
306 # elif defined(_MSC_VER)
308 # define alloca _alloca
309 # elif defined(__WATCOMC__)
311 # elif defined(__BORLANDC__)
313 # elif defined(__DMC__)
315 # elif defined(__AIX__)
317 # elif defined(__MRC__)
318 void *alloca(
unsigned);
324 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
325 #define SDL_stack_free(data)
327 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
328 #define SDL_stack_free(data) SDL_free(data)
331 extern DECLSPEC
void *SDLCALL SDL_malloc(
size_t size);
332 extern DECLSPEC
void *SDLCALL SDL_calloc(
size_t nmemb,
size_t size);
333 extern DECLSPEC
void *SDLCALL SDL_realloc(
void *mem,
size_t size);
334 extern DECLSPEC
void SDLCALL SDL_free(
void *mem);
336 extern DECLSPEC
char *SDLCALL SDL_getenv(
const char *name);
337 extern DECLSPEC
int SDLCALL SDL_setenv(
const char *name,
const char *value,
int overwrite);
339 extern DECLSPEC
void SDLCALL SDL_qsort(
void *base,
size_t nmemb,
size_t size,
int (*compare) (
const void *,
const void *));
341 extern DECLSPEC
int SDLCALL SDL_abs(
int x);
345 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
346 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
348 extern DECLSPEC
int SDLCALL SDL_isdigit(
int x);
349 extern DECLSPEC
int SDLCALL SDL_isspace(
int x);
350 extern DECLSPEC
int SDLCALL SDL_toupper(
int x);
351 extern DECLSPEC
int SDLCALL SDL_tolower(
int x);
353 extern DECLSPEC
void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len)
void *dst,
int c,
size_t len);
355 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
356 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
359 SDL_FORCE_INLINE
void SDL_memset4(
void *dst,
Uint32 val,
size_t dwords)
361 #if defined(__GNUC__) && defined(i386)
363 __asm__ __volatile__ (
366 :
"=&D" (u0),
"=&a" (u1),
"=&c" (u2)
367 :
"0" (dst),
"1" (val),
"2" (SDL_static_cast(
Uint32, dwords))
371 size_t _n = (dwords + 3) / 4;
378 case 0:
do { *_p++ = _val;
379 case 3: *_p++ = _val;
380 case 2: *_p++ = _val;
381 case 1: *_p++ = _val;
388 extern DECLSPEC
void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len)
void *dst, SDL_IN_BYTECAP(len)
const void *src,
size_t len);
390 extern DECLSPEC
void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len)
void *dst, SDL_IN_BYTECAP(len)
const void *src,
size_t len);
391 extern DECLSPEC
int SDLCALL SDL_memcmp(
const void *s1,
const void *s2,
size_t len);
393 extern DECLSPEC
size_t SDLCALL SDL_wcslen(
const wchar_t *wstr);
394 extern DECLSPEC
size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen)
wchar_t *dst,
const wchar_t *src,
size_t maxlen);
395 extern DECLSPEC
size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen)
wchar_t *dst,
const wchar_t *src,
size_t maxlen);
397 extern DECLSPEC
size_t SDLCALL SDL_strlen(
const char *str);
398 extern DECLSPEC
size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen)
char *dst,
const char *src,
size_t maxlen);
399 extern DECLSPEC
size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes)
char *dst,
const char *src,
size_t dst_bytes);
400 extern DECLSPEC
size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen)
char *dst,
const char *src,
size_t maxlen);
401 extern DECLSPEC
char *SDLCALL SDL_strdup(
const char *str);
402 extern DECLSPEC
char *SDLCALL SDL_strrev(
char *str);
403 extern DECLSPEC
char *SDLCALL SDL_strupr(
char *str);
404 extern DECLSPEC
char *SDLCALL SDL_strlwr(
char *str);
405 extern DECLSPEC
char *SDLCALL SDL_strchr(
const char *str,
int c);
406 extern DECLSPEC
char *SDLCALL SDL_strrchr(
const char *str,
int c);
407 extern DECLSPEC
char *SDLCALL SDL_strstr(
const char *haystack,
const char *needle);
409 extern DECLSPEC
char *SDLCALL SDL_itoa(
int value,
char *str,
int radix);
410 extern DECLSPEC
char *SDLCALL SDL_uitoa(
unsigned int value,
char *str,
int radix);
411 extern DECLSPEC
char *SDLCALL SDL_ltoa(
long value,
char *str,
int radix);
412 extern DECLSPEC
char *SDLCALL SDL_ultoa(
unsigned long value,
char *str,
int radix);
413 extern DECLSPEC
char *SDLCALL SDL_lltoa(
Sint64 value,
char *str,
int radix);
414 extern DECLSPEC
char *SDLCALL SDL_ulltoa(
Uint64 value,
char *str,
int radix);
416 extern DECLSPEC
int SDLCALL SDL_atoi(
const char *str);
417 extern DECLSPEC
double SDLCALL SDL_atof(
const char *str);
418 extern DECLSPEC
long SDLCALL SDL_strtol(
const char *str,
char **endp,
int base);
419 extern DECLSPEC
unsigned long SDLCALL SDL_strtoul(
const char *str,
char **endp,
int base);
420 extern DECLSPEC
Sint64 SDLCALL SDL_strtoll(
const char *str,
char **endp,
int base);
421 extern DECLSPEC
Uint64 SDLCALL SDL_strtoull(
const char *str,
char **endp,
int base);
422 extern DECLSPEC
double SDLCALL SDL_strtod(
const char *str,
char **endp);
424 extern DECLSPEC
int SDLCALL SDL_strcmp(
const char *str1,
const char *str2);
425 extern DECLSPEC
int SDLCALL SDL_strncmp(
const char *str1,
const char *str2,
size_t maxlen);
426 extern DECLSPEC
int SDLCALL SDL_strcasecmp(
const char *str1,
const char *str2);
427 extern DECLSPEC
int SDLCALL SDL_strncasecmp(
const char *str1,
const char *str2,
size_t len);
429 extern DECLSPEC
int SDLCALL SDL_sscanf(
const char *text, SDL_SCANF_FORMAT_STRING
const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
430 extern DECLSPEC
int SDLCALL SDL_vsscanf(const
char *text, const
char *fmt, va_list ap);
431 extern DECLSPEC
int SDLCALL SDL_snprintf(SDL_OUT_Z_CAP(maxlen)
char *text,
size_t maxlen, SDL_PRINTF_FORMAT_STRING const
char *fmt, ... ) SDL_PRINTF_VARARG_FUNC(3);
432 extern DECLSPEC
int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen)
char *text,
size_t maxlen, const
char *fmt, va_list ap);
436 #define M_PI 3.14159265358979323846264338327950288
440 extern DECLSPEC
double SDLCALL SDL_acos(
double x);
441 extern DECLSPEC
double SDLCALL SDL_asin(
double x);
442 extern DECLSPEC
double SDLCALL SDL_atan(
double x);
443 extern DECLSPEC
double SDLCALL SDL_atan2(
double x,
double y);
444 extern DECLSPEC
double SDLCALL SDL_ceil(
double x);
445 extern DECLSPEC
double SDLCALL SDL_copysign(
double x,
double y);
446 extern DECLSPEC
double SDLCALL SDL_cos(
double x);
447 extern DECLSPEC
float SDLCALL SDL_cosf(
float x);
448 extern DECLSPEC
double SDLCALL SDL_fabs(
double x);
449 extern DECLSPEC
double SDLCALL SDL_floor(
double x);
450 extern DECLSPEC
double SDLCALL SDL_log(
double x);
451 extern DECLSPEC
double SDLCALL SDL_pow(
double x,
double y);
452 extern DECLSPEC
double SDLCALL SDL_scalbn(
double x,
int n);
453 extern DECLSPEC
double SDLCALL SDL_sin(
double x);
454 extern DECLSPEC
float SDLCALL SDL_sinf(
float x);
455 extern DECLSPEC
double SDLCALL SDL_sqrt(
double x);
456 extern DECLSPEC
float SDLCALL SDL_sqrtf(
float x);
457 extern DECLSPEC
double SDLCALL SDL_tan(
double x);
458 extern DECLSPEC
float SDLCALL SDL_tanf(
float x);
461 #define SDL_ICONV_ERROR (size_t)-1
462 #define SDL_ICONV_E2BIG (size_t)-2
463 #define SDL_ICONV_EILSEQ (size_t)-3
464 #define SDL_ICONV_EINVAL (size_t)-4
467 typedef struct _SDL_iconv_t *SDL_iconv_t;
468 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(
const char *tocode,
469 const char *fromcode);
470 extern DECLSPEC
int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
471 extern DECLSPEC
size_t SDLCALL SDL_iconv(SDL_iconv_t cd,
const char **inbuf,
472 size_t * inbytesleft,
char **outbuf,
473 size_t * outbytesleft);
479 const char *fromcode,
482 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
483 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
484 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
488 #if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
489 #define SDL_malloc malloc
490 #define SDL_calloc calloc
491 #define SDL_realloc realloc
492 #define SDL_free free
493 #define SDL_memset memset
494 #define SDL_memcpy memcpy
495 #define SDL_memmove memmove
496 #define SDL_memcmp memcmp
497 #define SDL_strlen strlen
498 #define SDL_strlcpy strlcpy
499 #define SDL_strlcat strlcat
500 #define SDL_strdup strdup
501 #define SDL_strchr strchr
502 #define SDL_strrchr strrchr
503 #define SDL_strstr strstr
504 #define SDL_strcmp strcmp
505 #define SDL_strncmp strncmp
506 #define SDL_strcasecmp strcasecmp
507 #define SDL_strncasecmp strncasecmp
508 #define SDL_sscanf sscanf
509 #define SDL_vsscanf vsscanf
510 #define SDL_snprintf snprintf
511 #define SDL_vsnprintf vsnprintf
514 SDL_FORCE_INLINE
void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4)
void *dst, SDL_IN_BYTECAP(dwords*4)
const void *src,
size_t dwords)
516 return SDL_memcpy(dst, src, dwords * 4);
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:139
uint64_t Uint64
An unsigned 64-bit integer type.
Definition: SDL_stdinc.h:164
int64_t Sint64
A signed 64-bit integer type.
Definition: SDL_stdinc.h:160
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:155
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:147
int8_t Sint8
A signed 8-bit integer type.
Definition: SDL_stdinc.h:135
int32_t Sint32
A signed 32-bit integer type.
Definition: SDL_stdinc.h:151
DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft)
int16_t Sint16
A signed 16-bit integer type.
Definition: SDL_stdinc.h:143