SDL  2.0
SDL_stdinc.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 /**
23  * \file SDL_stdinc.h
24  *
25  * This is a general header that includes C language support.
26  */
27 
28 #ifndef SDL_stdinc_h_
29 #define SDL_stdinc_h_
30 
31 #include "SDL_config.h"
32 
33 #ifdef __APPLE__
34 #ifndef _DARWIN_C_SOURCE
35 #define _DARWIN_C_SOURCE 1 /* for memset_pattern4() */
36 #endif
37 #endif
38 
39 #ifdef HAVE_SYS_TYPES_H
40 #include <sys/types.h>
41 #endif
42 #ifdef HAVE_STDIO_H
43 #include <stdio.h>
44 #endif
45 #if defined(STDC_HEADERS)
46 # include <stdlib.h>
47 # include <stddef.h>
48 # include <stdarg.h>
49 #else
50 # if defined(HAVE_STDLIB_H)
51 # include <stdlib.h>
52 # elif defined(HAVE_MALLOC_H)
53 # include <malloc.h>
54 # endif
55 # if defined(HAVE_STDDEF_H)
56 # include <stddef.h>
57 # endif
58 # if defined(HAVE_STDARG_H)
59 # include <stdarg.h>
60 # endif
61 #endif
62 #ifdef HAVE_STRING_H
63 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
64 # include <memory.h>
65 # endif
66 # include <string.h>
67 #endif
68 #ifdef HAVE_STRINGS_H
69 # include <strings.h>
70 #endif
71 #ifdef HAVE_WCHAR_H
72 # include <wchar.h>
73 #endif
74 #if defined(HAVE_INTTYPES_H)
75 # include <inttypes.h>
76 #elif defined(HAVE_STDINT_H)
77 # include <stdint.h>
78 #endif
79 #ifdef HAVE_CTYPE_H
80 # include <ctype.h>
81 #endif
82 #ifdef HAVE_MATH_H
83 # if defined(_MSC_VER)
84 /* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
85  Visual Studio. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
86  for more information.
87 */
88 # define _USE_MATH_DEFINES
89 # endif
90 # include <math.h>
91 #endif
92 #ifdef HAVE_FLOAT_H
93 # include <float.h>
94 #endif
95 #if defined(HAVE_ALLOCA) && !defined(alloca)
96 # if defined(HAVE_ALLOCA_H)
97 # include <alloca.h>
98 # elif defined(__GNUC__)
99 # define alloca __builtin_alloca
100 # elif defined(_MSC_VER)
101 # include <malloc.h>
102 # define alloca _alloca
103 # elif defined(__WATCOMC__)
104 # include <malloc.h>
105 # elif defined(__BORLANDC__)
106 # include <malloc.h>
107 # elif defined(__DMC__)
108 # include <stdlib.h>
109 # elif defined(__AIX__)
110 #pragma alloca
111 # elif defined(__MRC__)
112 void *alloca(unsigned);
113 # else
114 char *alloca();
115 # endif
116 #endif
117 
118 #ifdef SIZE_MAX
119 # define SDL_SIZE_MAX SIZE_MAX
120 #else
121 # define SDL_SIZE_MAX ((size_t) -1)
122 #endif
123 
124 /**
125  * Check if the compiler supports a given builtin.
126  * Supported by virtually all clang versions and recent gcc. Use this
127  * instead of checking the clang version if possible.
128  */
129 #ifdef __has_builtin
130 #define _SDL_HAS_BUILTIN(x) __has_builtin(x)
131 #else
132 #define _SDL_HAS_BUILTIN(x) 0
133 #endif
134 
135 /**
136  * The number of elements in an array.
137  */
138 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
139 #define SDL_TABLESIZE(table) SDL_arraysize(table)
140 
141 /**
142  * Macro useful for building other macros with strings in them
143  *
144  * e.g. #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")
145  */
146 #define SDL_STRINGIFY_ARG(arg) #arg
147 
148 /**
149  * \name Cast operators
150  *
151  * Use proper C++ casts when compiled as C++ to be compatible with the option
152  * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
153  */
154 /* @{ */
155 #ifdef __cplusplus
156 #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
157 #define SDL_static_cast(type, expression) static_cast<type>(expression)
158 #define SDL_const_cast(type, expression) const_cast<type>(expression)
159 #else
160 #define SDL_reinterpret_cast(type, expression) ((type)(expression))
161 #define SDL_static_cast(type, expression) ((type)(expression))
162 #define SDL_const_cast(type, expression) ((type)(expression))
163 #endif
164 /* @} *//* Cast operators */
165 
166 /* Define a four character code as a Uint32 */
167 #define SDL_FOURCC(A, B, C, D) \
168  ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
169  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
170  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
171  (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
172 
173 /**
174  * \name Basic data types
175  */
176 /* @{ */
177 
178 #ifdef __CC_ARM
179 /* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */
180 #define SDL_FALSE 0
181 #define SDL_TRUE 1
182 typedef int SDL_bool;
183 #else
184 typedef enum
185 {
187  SDL_TRUE = 1
189 #endif
190 
191 /**
192  * \brief A signed 8-bit integer type.
193  */
194 #define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */
195 #define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */
196 typedef int8_t Sint8;
197 /**
198  * \brief An unsigned 8-bit integer type.
199  */
200 #define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */
201 #define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */
202 typedef uint8_t Uint8;
203 /**
204  * \brief A signed 16-bit integer type.
205  */
206 #define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */
207 #define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */
208 typedef int16_t Sint16;
209 /**
210  * \brief An unsigned 16-bit integer type.
211  */
212 #define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */
213 #define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */
214 typedef uint16_t Uint16;
215 /**
216  * \brief A signed 32-bit integer type.
217  */
218 #define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */
219 #define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */
220 typedef int32_t Sint32;
221 /**
222  * \brief An unsigned 32-bit integer type.
223  */
224 #define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */
225 #define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */
226 typedef uint32_t Uint32;
227 
228 /**
229  * \brief A signed 64-bit integer type.
230  */
231 #define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */
232 #define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */
233 typedef int64_t Sint64;
234 /**
235  * \brief An unsigned 64-bit integer type.
236  */
237 #define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */
238 #define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */
239 typedef uint64_t Uint64;
240 
241 /* @} *//* Basic data types */
242 
243 /**
244  * \name Floating-point constants
245  */
246 /* @{ */
247 
248 #ifdef FLT_EPSILON
249 #define SDL_FLT_EPSILON FLT_EPSILON
250 #else
251 #define SDL_FLT_EPSILON 1.1920928955078125e-07F /* 0x0.000002p0 */
252 #endif
253 
254 /* @} *//* Floating-point constants */
255 
256 /* Make sure we have macros for printing width-based integers.
257  * <stdint.h> should define these but this is not true all platforms.
258  * (for example win32) */
259 #ifndef SDL_PRIs64
260 #ifdef PRIs64
261 #define SDL_PRIs64 PRIs64
262 #elif defined(__WIN32__) || defined(__GDK__)
263 #define SDL_PRIs64 "I64d"
264 #elif defined(__LINUX__) && defined(__LP64__)
265 #define SDL_PRIs64 "ld"
266 #else
267 #define SDL_PRIs64 "lld"
268 #endif
269 #endif
270 #ifndef SDL_PRIu64
271 #ifdef PRIu64
272 #define SDL_PRIu64 PRIu64
273 #elif defined(__WIN32__) || defined(__GDK__)
274 #define SDL_PRIu64 "I64u"
275 #elif defined(__LINUX__) && defined(__LP64__)
276 #define SDL_PRIu64 "lu"
277 #else
278 #define SDL_PRIu64 "llu"
279 #endif
280 #endif
281 #ifndef SDL_PRIx64
282 #ifdef PRIx64
283 #define SDL_PRIx64 PRIx64
284 #elif defined(__WIN32__) || defined(__GDK__)
285 #define SDL_PRIx64 "I64x"
286 #elif defined(__LINUX__) && defined(__LP64__)
287 #define SDL_PRIx64 "lx"
288 #else
289 #define SDL_PRIx64 "llx"
290 #endif
291 #endif
292 #ifndef SDL_PRIX64
293 #ifdef PRIX64
294 #define SDL_PRIX64 PRIX64
295 #elif defined(__WIN32__) || defined(__GDK__)
296 #define SDL_PRIX64 "I64X"
297 #elif defined(__LINUX__) && defined(__LP64__)
298 #define SDL_PRIX64 "lX"
299 #else
300 #define SDL_PRIX64 "llX"
301 #endif
302 #endif
303 #ifndef SDL_PRIs32
304 #ifdef PRId32
305 #define SDL_PRIs32 PRId32
306 #else
307 #define SDL_PRIs32 "d"
308 #endif
309 #endif
310 #ifndef SDL_PRIu32
311 #ifdef PRIu32
312 #define SDL_PRIu32 PRIu32
313 #else
314 #define SDL_PRIu32 "u"
315 #endif
316 #endif
317 #ifndef SDL_PRIx32
318 #ifdef PRIx32
319 #define SDL_PRIx32 PRIx32
320 #else
321 #define SDL_PRIx32 "x"
322 #endif
323 #endif
324 #ifndef SDL_PRIX32
325 #ifdef PRIX32
326 #define SDL_PRIX32 PRIX32
327 #else
328 #define SDL_PRIX32 "X"
329 #endif
330 #endif
331 
332 /* Annotations to help code analysis tools */
333 #ifdef SDL_DISABLE_ANALYZE_MACROS
334 #define SDL_IN_BYTECAP(x)
335 #define SDL_INOUT_Z_CAP(x)
336 #define SDL_OUT_Z_CAP(x)
337 #define SDL_OUT_CAP(x)
338 #define SDL_OUT_BYTECAP(x)
339 #define SDL_OUT_Z_BYTECAP(x)
340 #define SDL_PRINTF_FORMAT_STRING
341 #define SDL_SCANF_FORMAT_STRING
342 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
343 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
344 #else
345 #if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */
346 #include <sal.h>
347 
348 #define SDL_IN_BYTECAP(x) _In_bytecount_(x)
349 #define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
350 #define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
351 #define SDL_OUT_CAP(x) _Out_cap_(x)
352 #define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
353 #define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
354 
355 #define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
356 #define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
357 #else
358 #define SDL_IN_BYTECAP(x)
359 #define SDL_INOUT_Z_CAP(x)
360 #define SDL_OUT_Z_CAP(x)
361 #define SDL_OUT_CAP(x)
362 #define SDL_OUT_BYTECAP(x)
363 #define SDL_OUT_Z_BYTECAP(x)
364 #define SDL_PRINTF_FORMAT_STRING
365 #define SDL_SCANF_FORMAT_STRING
366 #endif
367 #if defined(__GNUC__)
368 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
369 #define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
370 #else
371 #define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
372 #define SDL_SCANF_VARARG_FUNC( fmtargnumber )
373 #endif
374 #endif /* SDL_DISABLE_ANALYZE_MACROS */
375 
376 #ifndef SDL_COMPILE_TIME_ASSERT
377 #if defined(__cplusplus)
378 #if (__cplusplus >= 201103L)
379 #define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
380 #endif
381 #elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
382 #define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
383 #endif
384 #endif /* !SDL_COMPILE_TIME_ASSERT */
385 
386 #ifndef SDL_COMPILE_TIME_ASSERT
387 /* universal, but may trigger -Wunused-local-typedefs */
388 #define SDL_COMPILE_TIME_ASSERT(name, x) \
389  typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
390 #endif
391 
392 /** \cond */
393 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
394 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
395 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
396 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
397 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
398 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
399 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
400 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
401 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
402 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */
403 /** \endcond */
404 
405 /* Check to make sure enums are the size of ints, for structure packing.
406  For both Watcom C/C++ and Borland C/C++ the compiler option that makes
407  enums having the size of an int must be enabled.
408  This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
409 */
410 
411 /** \cond */
412 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
413 #if !defined(__ANDROID__) && !defined(__VITA__) && !defined(__3DS__)
414  /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
415 typedef enum
416 {
417  DUMMY_ENUM_VALUE
418 } SDL_DUMMY_ENUM;
419 
420 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
421 #endif
422 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */
423 /** \endcond */
424 
425 #include "begin_code.h"
426 /* Set up for C function definitions, even when using C++ */
427 #ifdef __cplusplus
428 extern "C" {
429 #endif
430 
431 #ifdef HAVE_ALLOCA
432 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
433 #define SDL_stack_free(data)
434 #else
435 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
436 #define SDL_stack_free(data) SDL_free(data)
437 #endif
438 
439 extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
440 extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
441 extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
442 extern DECLSPEC void SDLCALL SDL_free(void *mem);
443 
444 typedef void *(SDLCALL *SDL_malloc_func)(size_t size);
445 typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size);
446 typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size);
447 typedef void (SDLCALL *SDL_free_func)(void *mem);
448 
449 /**
450  * Get the original set of SDL memory functions
451  *
452  * \since This function is available since SDL 2.24.0.
453  */
454 extern DECLSPEC void SDLCALL SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func,
455  SDL_calloc_func *calloc_func,
456  SDL_realloc_func *realloc_func,
457  SDL_free_func *free_func);
458 
459 /**
460  * Get the current set of SDL memory functions
461  *
462  * \since This function is available since SDL 2.0.7.
463  */
464 extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func,
465  SDL_calloc_func *calloc_func,
466  SDL_realloc_func *realloc_func,
467  SDL_free_func *free_func);
468 
469 /**
470  * Replace SDL's memory allocation functions with a custom set
471  *
472  * \since This function is available since SDL 2.0.7.
473  */
474 extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
475  SDL_calloc_func calloc_func,
476  SDL_realloc_func realloc_func,
477  SDL_free_func free_func);
478 
479 /**
480  * Get the number of outstanding (unfreed) allocations
481  *
482  * \since This function is available since SDL 2.0.7.
483  */
484 extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void);
485 
486 extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
487 extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
488 
489 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
490 extern DECLSPEC void * SDLCALL SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
491 
492 extern DECLSPEC int SDLCALL SDL_abs(int x);
493 
494 /* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
495 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
496 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
497 #define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
498 
499 extern DECLSPEC int SDLCALL SDL_isalpha(int x);
500 extern DECLSPEC int SDLCALL SDL_isalnum(int x);
501 extern DECLSPEC int SDLCALL SDL_isblank(int x);
502 extern DECLSPEC int SDLCALL SDL_iscntrl(int x);
503 extern DECLSPEC int SDLCALL SDL_isdigit(int x);
504 extern DECLSPEC int SDLCALL SDL_isxdigit(int x);
505 extern DECLSPEC int SDLCALL SDL_ispunct(int x);
506 extern DECLSPEC int SDLCALL SDL_isspace(int x);
507 extern DECLSPEC int SDLCALL SDL_isupper(int x);
508 extern DECLSPEC int SDLCALL SDL_islower(int x);
509 extern DECLSPEC int SDLCALL SDL_isprint(int x);
510 extern DECLSPEC int SDLCALL SDL_isgraph(int x);
511 extern DECLSPEC int SDLCALL SDL_toupper(int x);
512 extern DECLSPEC int SDLCALL SDL_tolower(int x);
513 
514 extern DECLSPEC Uint16 SDLCALL SDL_crc16(Uint16 crc, const void *data, size_t len);
515 extern DECLSPEC Uint32 SDLCALL SDL_crc32(Uint32 crc, const void *data, size_t len);
516 
517 extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
518 
519 #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
520 #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
521 #define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
522 
523 #define SDL_copyp(dst, src) \
524  { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
525  SDL_memcpy((dst), (src), sizeof (*(src)))
526 
527 
528 /* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
529 SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
530 {
531 #ifdef __APPLE__
532  memset_pattern4(dst, &val, dwords * 4);
533 #elif defined(__GNUC__) && defined(__i386__)
534  int u0, u1, u2;
535  __asm__ __volatile__ (
536  "cld \n\t"
537  "rep ; stosl \n\t"
538  : "=&D" (u0), "=&a" (u1), "=&c" (u2)
539  : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
540  : "memory"
541  );
542 #else
543  size_t _n = (dwords + 3) / 4;
544  Uint32 *_p = SDL_static_cast(Uint32 *, dst);
545  Uint32 _val = (val);
546  if (dwords == 0) {
547  return;
548  }
549  switch (dwords % 4) {
550  case 0: do { *_p++ = _val; SDL_FALLTHROUGH;
551  case 3: *_p++ = _val; SDL_FALLTHROUGH;
552  case 2: *_p++ = _val; SDL_FALLTHROUGH;
553  case 1: *_p++ = _val;
554  } while ( --_n );
555  }
556 #endif
557 }
558 
559 extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
560 
561 extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
562 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
563 
564 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
565 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
566 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
567 extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
568 extern DECLSPEC wchar_t *SDLCALL SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle);
569 
570 extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
571 extern DECLSPEC int SDLCALL SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen);
572 extern DECLSPEC int SDLCALL SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2);
573 extern DECLSPEC int SDLCALL SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len);
574 
575 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
576 extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
577 extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
578 extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
579 extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
580 extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
581 extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
582 extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
583 extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
584 extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
585 extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
586 extern DECLSPEC char *SDLCALL SDL_strcasestr(const char *haystack, const char *needle);
587 extern DECLSPEC char *SDLCALL SDL_strtokr(char *s1, const char *s2, char **saveptr);
588 extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
589 extern DECLSPEC size_t SDLCALL SDL_utf8strnlen(const char *str, size_t bytes);
590 
591 extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
592 extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
593 extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
594 extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
595 extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
596 extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
597 
598 extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
599 extern DECLSPEC double SDLCALL SDL_atof(const char *str);
600 extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
601 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
602 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
603 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
604 extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
605 
606 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
607 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
608 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
609 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
610 
611 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
612 extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, const char *fmt, va_list ap);
613 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);
614 extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap);
615 extern DECLSPEC int SDLCALL SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
616 extern DECLSPEC int SDLCALL SDL_vasprintf(char **strp, const char *fmt, va_list ap);
617 
618 #ifndef HAVE_M_PI
619 #ifndef M_PI
620 #define M_PI 3.14159265358979323846264338327950288 /**< pi */
621 #endif
622 #endif
623 
624 /**
625  * Use this function to compute arc cosine of `x`.
626  *
627  * The definition of `y = acos(x)` is `x = cos(y)`.
628  *
629  * Domain: `-1 <= x <= 1`
630  *
631  * Range: `0 <= y <= Pi`
632  *
633  * \param x floating point value, in radians.
634  * \returns arc cosine of `x`.
635  *
636  * \since This function is available since SDL 2.0.2.
637  */
638 extern DECLSPEC double SDLCALL SDL_acos(double x);
639 extern DECLSPEC float SDLCALL SDL_acosf(float x);
640 extern DECLSPEC double SDLCALL SDL_asin(double x);
641 extern DECLSPEC float SDLCALL SDL_asinf(float x);
642 extern DECLSPEC double SDLCALL SDL_atan(double x);
643 extern DECLSPEC float SDLCALL SDL_atanf(float x);
644 extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
645 extern DECLSPEC float SDLCALL SDL_atan2f(float y, float x);
646 extern DECLSPEC double SDLCALL SDL_ceil(double x);
647 extern DECLSPEC float SDLCALL SDL_ceilf(float x);
648 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
649 extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
650 extern DECLSPEC double SDLCALL SDL_cos(double x);
651 extern DECLSPEC float SDLCALL SDL_cosf(float x);
652 extern DECLSPEC double SDLCALL SDL_exp(double x);
653 extern DECLSPEC float SDLCALL SDL_expf(float x);
654 extern DECLSPEC double SDLCALL SDL_fabs(double x);
655 extern DECLSPEC float SDLCALL SDL_fabsf(float x);
656 extern DECLSPEC double SDLCALL SDL_floor(double x);
657 extern DECLSPEC float SDLCALL SDL_floorf(float x);
658 extern DECLSPEC double SDLCALL SDL_trunc(double x);
659 extern DECLSPEC float SDLCALL SDL_truncf(float x);
660 extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
661 extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
662 extern DECLSPEC double SDLCALL SDL_log(double x);
663 extern DECLSPEC float SDLCALL SDL_logf(float x);
664 extern DECLSPEC double SDLCALL SDL_log10(double x);
665 extern DECLSPEC float SDLCALL SDL_log10f(float x);
666 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
667 extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
668 extern DECLSPEC double SDLCALL SDL_round(double x);
669 extern DECLSPEC float SDLCALL SDL_roundf(float x);
670 extern DECLSPEC long SDLCALL SDL_lround(double x);
671 extern DECLSPEC long SDLCALL SDL_lroundf(float x);
672 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
673 extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
674 extern DECLSPEC double SDLCALL SDL_sin(double x);
675 extern DECLSPEC float SDLCALL SDL_sinf(float x);
676 extern DECLSPEC double SDLCALL SDL_sqrt(double x);
677 extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
678 extern DECLSPEC double SDLCALL SDL_tan(double x);
679 extern DECLSPEC float SDLCALL SDL_tanf(float x);
680 
681 /* The SDL implementation of iconv() returns these error codes */
682 #define SDL_ICONV_ERROR (size_t)-1
683 #define SDL_ICONV_E2BIG (size_t)-2
684 #define SDL_ICONV_EILSEQ (size_t)-3
685 #define SDL_ICONV_EINVAL (size_t)-4
686 
687 /* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
688 typedef struct _SDL_iconv_t *SDL_iconv_t;
689 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
690  const char *fromcode);
691 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
692 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
693  size_t * inbytesleft, char **outbuf,
694  size_t * outbytesleft);
695 
696 /**
697  * This function converts a string between encodings in one pass, returning a
698  * string that must be freed with SDL_free() or NULL on error.
699  *
700  * \since This function is available since SDL 2.0.0.
701  */
702 extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
703  const char *fromcode,
704  const char *inbuf,
705  size_t inbytesleft);
706 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
707 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
708 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
709 #define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
710 
711 /* force builds using Clang's static analysis tools to use literal C runtime
712  here, since there are possibly tests that are ineffective otherwise. */
713 #if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
714 
715 /* The analyzer knows about strlcpy even when the system doesn't provide it */
716 #ifndef HAVE_STRLCPY
717 size_t strlcpy(char* dst, const char* src, size_t size);
718 #endif
719 
720 /* The analyzer knows about strlcat even when the system doesn't provide it */
721 #ifndef HAVE_STRLCAT
722 size_t strlcat(char* dst, const char* src, size_t size);
723 #endif
724 
725 #define SDL_malloc malloc
726 #define SDL_calloc calloc
727 #define SDL_realloc realloc
728 #define SDL_free free
729 #define SDL_memset memset
730 #define SDL_memcpy memcpy
731 #define SDL_memmove memmove
732 #define SDL_memcmp memcmp
733 #define SDL_strlcpy strlcpy
734 #define SDL_strlcat strlcat
735 #define SDL_strlen strlen
736 #define SDL_wcslen wcslen
737 #define SDL_wcslcpy wcslcpy
738 #define SDL_wcslcat wcslcat
739 #define SDL_strdup strdup
740 #define SDL_wcsdup wcsdup
741 #define SDL_strchr strchr
742 #define SDL_strrchr strrchr
743 #define SDL_strstr strstr
744 #define SDL_wcsstr wcsstr
745 #define SDL_strtokr strtok_r
746 #define SDL_strcmp strcmp
747 #define SDL_wcscmp wcscmp
748 #define SDL_strncmp strncmp
749 #define SDL_wcsncmp wcsncmp
750 #define SDL_strcasecmp strcasecmp
751 #define SDL_strncasecmp strncasecmp
752 #define SDL_sscanf sscanf
753 #define SDL_vsscanf vsscanf
754 #define SDL_snprintf snprintf
755 #define SDL_vsnprintf vsnprintf
756 #endif
757 
758 SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
759 {
760  return SDL_memcpy(dst, src, dwords * 4);
761 }
762 
763 /**
764  * If a * b would overflow, return -1. Otherwise store a * b via ret
765  * and return 0.
766  *
767  * \since This function is available since SDL 2.24.0.
768  */
770  size_t b,
771  size_t *ret)
772 {
773  if (a != 0 && b > SDL_SIZE_MAX / a) {
774  return -1;
775  }
776  *ret = a * b;
777  return 0;
778 }
779 
780 #if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
781 /* This needs to be wrapped in an inline rather than being a direct #define,
782  * because __builtin_mul_overflow() is type-generic, but we want to be
783  * consistent about interpreting a and b as size_t. */
784 SDL_FORCE_INLINE int _SDL_size_mul_overflow_builtin (size_t a,
785  size_t b,
786  size_t *ret)
787 {
788  return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
789 }
790 #define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
791 #endif
792 
793 /**
794  * If a + b would overflow, return -1. Otherwise store a + b via ret
795  * and return 0.
796  *
797  * \since This function is available since SDL 2.24.0.
798  */
800  size_t b,
801  size_t *ret)
802 {
803  if (b > SDL_SIZE_MAX - a) {
804  return -1;
805  }
806  *ret = a + b;
807  return 0;
808 }
809 
810 #if _SDL_HAS_BUILTIN(__builtin_add_overflow)
811 /* This needs to be wrapped in an inline rather than being a direct #define,
812  * the same as the call to __builtin_mul_overflow() above. */
813 SDL_FORCE_INLINE int _SDL_size_add_overflow_builtin (size_t a,
814  size_t b,
815  size_t *ret)
816 {
817  return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
818 }
819 #define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
820 #endif
821 
822 /* Ends C function definitions when using C++ */
823 #ifdef __cplusplus
824 }
825 #endif
826 #include "close_code.h"
827 
828 #endif /* SDL_stdinc_h_ */
829 
830 /* vi: set ts=4 sw=4 expandtab: */
signed short int16_t
unsigned short uint16_t
unsigned int uint32_t
unsigned long long uint64_t
signed int int32_t
unsigned char uint8_t
signed long long int64_t
signed char int8_t
double SDL_sqrt(double x)
int SDL_atoi(const char *str)
SDL_iconv_t SDL_iconv_open(const char *tocode, const char *fromcode)
SDL_FORCE_INLINE void * SDL_memcpy4(SDL_OUT_BYTECAP(dwords *4) void *dst, SDL_IN_BYTECAP(dwords *4) const void *src, size_t dwords)
Definition: SDL_stdinc.h:758
float SDL_tanf(float x)
SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
Definition: SDL_stdinc.h:529
int SDL_isspace(int x)
int SDL_isalnum(int x)
int SDL_tolower(int x)
void * SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
int SDL_abs(int x)
size_t SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
wchar_t * SDL_wcsdup(const wchar_t *wstr)
double SDL_tan(double x)
uint8_t Uint8
Definition: SDL_stdinc.h:202
int SDL_isxdigit(int x)
void(* SDL_free_func)(void *mem)
Definition: SDL_stdinc.h:447
float SDL_ceilf(float x)
int64_t Sint64
Definition: SDL_stdinc.h:233
void SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func, SDL_calloc_func *calloc_func, SDL_realloc_func *realloc_func, SDL_free_func *free_func)
#define SDL_OUT_BYTECAP(x)
Definition: SDL_stdinc.h:362
#define SDL_SIZE_MAX
Definition: SDL_stdinc.h:121
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
uint16_t Uint16
Definition: SDL_stdinc.h:214
int SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt,...) SDL_SCANF_VARARG_FUNC(2)
void SDL_qsort(void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap)
float SDL_atanf(float x)
int SDL_isprint(int x)
char * SDL_strchr(const char *str, int c)
struct _SDL_iconv_t * SDL_iconv_t
Definition: SDL_stdinc.h:688
int SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len)
float SDL_copysignf(float x, float y)
void *(* SDL_realloc_func)(void *mem, size_t size)
Definition: SDL_stdinc.h:446
float SDL_acosf(float x)
void * SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
int SDL_SetMemoryFunctions(SDL_malloc_func malloc_func, SDL_calloc_func calloc_func, SDL_realloc_func realloc_func, SDL_free_func free_func)
size_t SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
char * SDL_getenv(const char *name)
SDL_FORCE_INLINE int SDL_size_mul_overflow(size_t a, size_t b, size_t *ret)
Definition: SDL_stdinc.h:769
int SDL_strncmp(const char *str1, const char *str2, size_t maxlen)
#define SDL_IN_BYTECAP(x)
Definition: SDL_stdinc.h:358
void * SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len)
int SDL_isalpha(int x)
double SDL_round(double x)
long SDL_lround(double x)
int SDL_isdigit(int x)
int SDL_isblank(int x)
int SDL_iconv_close(SDL_iconv_t cd)
char * SDL_strstr(const char *haystack, const char *needle)
char * SDL_ltoa(long value, char *str, int radix)
double SDL_sin(double x)
float SDL_scalbnf(float x, int n)
double SDL_pow(double x, double y)
size_t SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes)
float SDL_asinf(float x)
double SDL_asin(double x)
double SDL_acos(double x)
int8_t Sint8
Definition: SDL_stdinc.h:196
void * SDL_calloc(size_t nmemb, size_t size)
char * SDL_uitoa(unsigned int value, char *str, int radix)
char * SDL_strlwr(char *str)
float SDL_sinf(float x)
double SDL_ceil(double x)
size_t SDL_utf8strnlen(const char *str, size_t bytes)
int SDL_strcasecmp(const char *str1, const char *str2)
#define SDL_SCANF_FORMAT_STRING
Definition: SDL_stdinc.h:365
int SDL_GetNumAllocations(void)
double SDL_exp(double x)
#define SDL_static_cast(type, expression)
Definition: SDL_stdinc.h:161
size_t SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
double SDL_atan(double x)
float SDL_sqrtf(float x)
size_t SDL_wcslen(const wchar_t *wstr)
int32_t Sint32
Definition: SDL_stdinc.h:220
int SDL_setenv(const char *name, const char *value, int overwrite)
size_t SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
#define SDL_INOUT_Z_CAP(x)
Definition: SDL_stdinc.h:359
double SDL_scalbn(double x, int n)
void *(* SDL_malloc_func)(size_t size)
Definition: SDL_stdinc.h:444
char * SDL_lltoa(Sint64 value, char *str, int radix)
int SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2)
double SDL_fmod(double x, double y)
double SDL_fabs(double x)
Sint64 SDL_strtoll(const char *str, char **endp, int base)
int SDL_ispunct(int x)
float SDL_truncf(float x)
double SDL_log10(double x)
float SDL_expf(float x)
char * SDL_strtokr(char *s1, const char *s2, char **saveptr)
char * SDL_itoa(int value, char *str, int radix)
double SDL_floor(double x)
int SDL_wcscmp(const wchar_t *str1, const wchar_t *str2)
long SDL_strtol(const char *str, char **endp, int base)
SDL_bool
Definition: SDL_stdinc.h:185
@ SDL_TRUE
Definition: SDL_stdinc.h:187
@ SDL_FALSE
Definition: SDL_stdinc.h:186
Uint32 SDL_crc32(Uint32 crc, const void *data, size_t len)
int SDL_islower(int x)
float SDL_logf(float x)
float SDL_log10f(float x)
int SDL_memcmp(const void *s1, const void *s2, size_t len)
int16_t Sint16
Definition: SDL_stdinc.h:208
float SDL_roundf(float x)
double SDL_strtod(const char *str, char **endp)
char * SDL_strdup(const char *str)
long SDL_lroundf(float x)
char * SDL_strcasestr(const char *haystack, const char *needle)
double SDL_atof(const char *str)
int SDL_vsscanf(const char *text, const char *fmt, va_list ap)
unsigned long SDL_strtoul(const char *str, char **endp, int base)
char * SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft)
float SDL_floorf(float x)
int SDL_strcmp(const char *str1, const char *str2)
SDL_FORCE_INLINE int SDL_size_add_overflow(size_t a, size_t b, size_t *ret)
Definition: SDL_stdinc.h:799
char * SDL_strupr(char *str)
void * SDL_malloc(size_t size)
double SDL_cos(double x)
wchar_t * SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle)
#define SDL_PRINTF_FORMAT_STRING
Definition: SDL_stdinc.h:364
void * SDL_realloc(void *mem, size_t size)
float SDL_fmodf(float x, float y)
void SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func, SDL_calloc_func *calloc_func, SDL_realloc_func *realloc_func, SDL_free_func *free_func)
#define SDL_PRINTF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:371
#define SDL_COMPILE_TIME_ASSERT(name, x)
Definition: SDL_stdinc.h:388
float SDL_atan2f(float y, float x)
int SDL_isupper(int x)
float SDL_fabsf(float x)
char * SDL_strrev(char *str)
uint64_t Uint64
Definition: SDL_stdinc.h:239
char * SDL_strrchr(const char *str, int c)
int SDL_iscntrl(int x)
void SDL_free(void *mem)
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:372
double SDL_atan2(double y, double x)
double SDL_log(double x)
char * SDL_ultoa(unsigned long value, char *str, int radix)
int SDL_toupper(int x)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
Definition: SDL_stdinc.h:445
uint32_t Uint32
Definition: SDL_stdinc.h:226
float SDL_powf(float x, float y)
size_t SDL_strlen(const char *str)
Uint16 SDL_crc16(Uint16 crc, const void *data, size_t len)
int SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt,...) SDL_PRINTF_VARARG_FUNC(3)
float SDL_cosf(float x)
void * SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
size_t SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
int SDL_vasprintf(char **strp, const char *fmt, va_list ap)
double SDL_copysign(double x, double y)
size_t SDL_utf8strlen(const char *str)
char * SDL_ulltoa(Uint64 value, char *str, int radix)
int SDL_isgraph(int x)
int SDL_strncasecmp(const char *str1, const char *str2, size_t len)
int SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt,...) SDL_PRINTF_VARARG_FUNC(2)
#define SDL_OUT_Z_CAP(x)
Definition: SDL_stdinc.h:360
Uint64 SDL_strtoull(const char *str, char **endp, int base)
double SDL_trunc(double x)
#define SDL_FALLTHROUGH
Definition: begin_code.h:183
#define SDL_FORCE_INLINE
Definition: begin_code.h:143