SDL 2.0
SDL_stdinc.h
Go to the documentation of this file.
1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2022 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(__WINRT__)
84/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
85 WinRT. 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__)
112void *alloca(unsigned);
113# else
114char *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
182typedef int SDL_bool;
183#else
184typedef 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 */
196typedef 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 */
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 */
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 */
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 */
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 */
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 */
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 */
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
377#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
378#elif defined(__cplusplus) && (__cplusplus >= 201103L)
379#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
380#else /* universal, but may trigger -Wunused-local-typedefs */
381#define SDL_COMPILE_TIME_ASSERT(name, x) \
382 typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
383#endif
384/** \cond */
385#ifndef DOXYGEN_SHOULD_IGNORE_THIS
386SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
387SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
388SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
389SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
390SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
391SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
392SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
393SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
394#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
395/** \endcond */
396
397/* Check to make sure enums are the size of ints, for structure packing.
398 For both Watcom C/C++ and Borland C/C++ the compiler option that makes
399 enums having the size of an int must be enabled.
400 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
401*/
402
403/** \cond */
404#ifndef DOXYGEN_SHOULD_IGNORE_THIS
405#if !defined(__ANDROID__) && !defined(__VITA__)
406 /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
407typedef enum
408{
409 DUMMY_ENUM_VALUE
410} SDL_DUMMY_ENUM;
411
412SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
413#endif
414#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
415/** \endcond */
416
417#include "begin_code.h"
418/* Set up for C function definitions, even when using C++ */
419#ifdef __cplusplus
420extern "C" {
421#endif
422
423#ifdef HAVE_ALLOCA
424#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
425#define SDL_stack_free(data)
426#else
427#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
428#define SDL_stack_free(data) SDL_free(data)
429#endif
430
431extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
432extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
433extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
434extern DECLSPEC void SDLCALL SDL_free(void *mem);
435
436typedef void *(SDLCALL *SDL_malloc_func)(size_t size);
437typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size);
438typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size);
439typedef void (SDLCALL *SDL_free_func)(void *mem);
440
441/**
442 * Get the original set of SDL memory functions
443 *
444 * \since This function is available since SDL 2.24.0.
445 */
446extern DECLSPEC void SDLCALL SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func,
447 SDL_calloc_func *calloc_func,
448 SDL_realloc_func *realloc_func,
449 SDL_free_func *free_func);
450
451/**
452 * Get the current set of SDL memory functions
453 *
454 * \since This function is available since SDL 2.0.7.
455 */
456extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func,
457 SDL_calloc_func *calloc_func,
458 SDL_realloc_func *realloc_func,
459 SDL_free_func *free_func);
460
461/**
462 * Replace SDL's memory allocation functions with a custom set
463 *
464 * \since This function is available since SDL 2.0.7.
465 */
466extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
467 SDL_calloc_func calloc_func,
468 SDL_realloc_func realloc_func,
469 SDL_free_func free_func);
470
471/**
472 * Get the number of outstanding (unfreed) allocations
473 *
474 * \since This function is available since SDL 2.0.7.
475 */
476extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void);
477
478extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
479extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
480
481extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
482extern DECLSPEC void * SDLCALL SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
483
484extern DECLSPEC int SDLCALL SDL_abs(int x);
485
486/* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
487#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
488#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
489#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
490
491extern DECLSPEC int SDLCALL SDL_isalpha(int x);
492extern DECLSPEC int SDLCALL SDL_isalnum(int x);
493extern DECLSPEC int SDLCALL SDL_isblank(int x);
494extern DECLSPEC int SDLCALL SDL_iscntrl(int x);
495extern DECLSPEC int SDLCALL SDL_isdigit(int x);
496extern DECLSPEC int SDLCALL SDL_isxdigit(int x);
497extern DECLSPEC int SDLCALL SDL_ispunct(int x);
498extern DECLSPEC int SDLCALL SDL_isspace(int x);
499extern DECLSPEC int SDLCALL SDL_isupper(int x);
500extern DECLSPEC int SDLCALL SDL_islower(int x);
501extern DECLSPEC int SDLCALL SDL_isprint(int x);
502extern DECLSPEC int SDLCALL SDL_isgraph(int x);
503extern DECLSPEC int SDLCALL SDL_toupper(int x);
504extern DECLSPEC int SDLCALL SDL_tolower(int x);
505
506extern DECLSPEC Uint16 SDLCALL SDL_crc16(Uint16 crc, const void *data, size_t len);
507extern DECLSPEC Uint32 SDLCALL SDL_crc32(Uint32 crc, const void *data, size_t len);
508
509extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
510
511#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
512#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
513#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
514
515#define SDL_copyp(dst, src) \
516 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
517 SDL_memcpy((dst), (src), sizeof (*(src)))
518
519
520/* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
521SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
522{
523#ifdef __APPLE__
524 memset_pattern4(dst, &val, dwords * 4);
525#elif defined(__GNUC__) && defined(__i386__)
526 int u0, u1, u2;
527 __asm__ __volatile__ (
528 "cld \n\t"
529 "rep ; stosl \n\t"
530 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
531 : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
532 : "memory"
533 );
534#else
535 size_t _n = (dwords + 3) / 4;
536 Uint32 *_p = SDL_static_cast(Uint32 *, dst);
537 Uint32 _val = (val);
538 if (dwords == 0) {
539 return;
540 }
541 switch (dwords % 4) {
542 case 0: do { *_p++ = _val; SDL_FALLTHROUGH;
543 case 3: *_p++ = _val; SDL_FALLTHROUGH;
544 case 2: *_p++ = _val; SDL_FALLTHROUGH;
545 case 1: *_p++ = _val;
546 } while ( --_n );
547 }
548#endif
549}
550
551extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
552
553extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
554extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
555
556extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
557extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
558extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
559extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
560extern DECLSPEC wchar_t *SDLCALL SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle);
561
562extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
563extern DECLSPEC int SDLCALL SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen);
564extern DECLSPEC int SDLCALL SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2);
565extern DECLSPEC int SDLCALL SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len);
566
567extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
568extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
569extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
570extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
571extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
572extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
573extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
574extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
575extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
576extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
577extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
578extern DECLSPEC char *SDLCALL SDL_strtokr(char *s1, const char *s2, char **saveptr);
579extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
580extern DECLSPEC size_t SDLCALL SDL_utf8strnlen(const char *str, size_t bytes);
581
582extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
583extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
584extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
585extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
586extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
587extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
588
589extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
590extern DECLSPEC double SDLCALL SDL_atof(const char *str);
591extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
592extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
593extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
594extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
595extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
596
597extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
598extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
599extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
600extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
601
602extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
603extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, const char *fmt, va_list ap);
604extern 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);
605extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap);
606extern DECLSPEC int SDLCALL SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
607extern DECLSPEC int SDLCALL SDL_vasprintf(char **strp, const char *fmt, va_list ap);
608
609#ifndef HAVE_M_PI
610#ifndef M_PI
611#define M_PI 3.14159265358979323846264338327950288 /**< pi */
612#endif
613#endif
614
615/**
616 * Use this function to compute arc cosine of `x`.
617 *
618 * The definition of `y = acos(x)` is `x = cos(y)`.
619 *
620 * Domain: `-1 <= x <= 1`
621 *
622 * Range: `0 <= y <= Pi`
623 *
624 * \param x floating point value, in radians.
625 * \returns arc cosine of `x`.
626 *
627 * \since This function is available since SDL 2.0.2.
628 */
629extern DECLSPEC double SDLCALL SDL_acos(double x);
630extern DECLSPEC float SDLCALL SDL_acosf(float x);
631extern DECLSPEC double SDLCALL SDL_asin(double x);
632extern DECLSPEC float SDLCALL SDL_asinf(float x);
633extern DECLSPEC double SDLCALL SDL_atan(double x);
634extern DECLSPEC float SDLCALL SDL_atanf(float x);
635extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
636extern DECLSPEC float SDLCALL SDL_atan2f(float y, float x);
637extern DECLSPEC double SDLCALL SDL_ceil(double x);
638extern DECLSPEC float SDLCALL SDL_ceilf(float x);
639extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
640extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
641extern DECLSPEC double SDLCALL SDL_cos(double x);
642extern DECLSPEC float SDLCALL SDL_cosf(float x);
643extern DECLSPEC double SDLCALL SDL_exp(double x);
644extern DECLSPEC float SDLCALL SDL_expf(float x);
645extern DECLSPEC double SDLCALL SDL_fabs(double x);
646extern DECLSPEC float SDLCALL SDL_fabsf(float x);
647extern DECLSPEC double SDLCALL SDL_floor(double x);
648extern DECLSPEC float SDLCALL SDL_floorf(float x);
649extern DECLSPEC double SDLCALL SDL_trunc(double x);
650extern DECLSPEC float SDLCALL SDL_truncf(float x);
651extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
652extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
653extern DECLSPEC double SDLCALL SDL_log(double x);
654extern DECLSPEC float SDLCALL SDL_logf(float x);
655extern DECLSPEC double SDLCALL SDL_log10(double x);
656extern DECLSPEC float SDLCALL SDL_log10f(float x);
657extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
658extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
659extern DECLSPEC double SDLCALL SDL_round(double x);
660extern DECLSPEC float SDLCALL SDL_roundf(float x);
661extern DECLSPEC long SDLCALL SDL_lround(double x);
662extern DECLSPEC long SDLCALL SDL_lroundf(float x);
663extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
664extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
665extern DECLSPEC double SDLCALL SDL_sin(double x);
666extern DECLSPEC float SDLCALL SDL_sinf(float x);
667extern DECLSPEC double SDLCALL SDL_sqrt(double x);
668extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
669extern DECLSPEC double SDLCALL SDL_tan(double x);
670extern DECLSPEC float SDLCALL SDL_tanf(float x);
671
672/* The SDL implementation of iconv() returns these error codes */
673#define SDL_ICONV_ERROR (size_t)-1
674#define SDL_ICONV_E2BIG (size_t)-2
675#define SDL_ICONV_EILSEQ (size_t)-3
676#define SDL_ICONV_EINVAL (size_t)-4
677
678/* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
679typedef struct _SDL_iconv_t *SDL_iconv_t;
680extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
681 const char *fromcode);
682extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
683extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
684 size_t * inbytesleft, char **outbuf,
685 size_t * outbytesleft);
686
687/**
688 * This function converts a string between encodings in one pass, returning a
689 * string that must be freed with SDL_free() or NULL on error.
690 *
691 * \since This function is available since SDL 2.0.0.
692 */
693extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
694 const char *fromcode,
695 const char *inbuf,
696 size_t inbytesleft);
697#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
698#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
699#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
700#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
701
702/* force builds using Clang's static analysis tools to use literal C runtime
703 here, since there are possibly tests that are ineffective otherwise. */
704#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
705
706/* The analyzer knows about strlcpy even when the system doesn't provide it */
707#ifndef HAVE_STRLCPY
708size_t strlcpy(char* dst, const char* src, size_t size);
709#endif
710
711/* The analyzer knows about strlcat even when the system doesn't provide it */
712#ifndef HAVE_STRLCAT
713size_t strlcat(char* dst, const char* src, size_t size);
714#endif
715
716#define SDL_malloc malloc
717#define SDL_calloc calloc
718#define SDL_realloc realloc
719#define SDL_free free
720#define SDL_memset memset
721#define SDL_memcpy memcpy
722#define SDL_memmove memmove
723#define SDL_memcmp memcmp
724#define SDL_strlcpy strlcpy
725#define SDL_strlcat strlcat
726#define SDL_strlen strlen
727#define SDL_wcslen wcslen
728#define SDL_wcslcpy wcslcpy
729#define SDL_wcslcat wcslcat
730#define SDL_strdup strdup
731#define SDL_wcsdup wcsdup
732#define SDL_strchr strchr
733#define SDL_strrchr strrchr
734#define SDL_strstr strstr
735#define SDL_wcsstr wcsstr
736#define SDL_strtokr strtok_r
737#define SDL_strcmp strcmp
738#define SDL_wcscmp wcscmp
739#define SDL_strncmp strncmp
740#define SDL_wcsncmp wcsncmp
741#define SDL_strcasecmp strcasecmp
742#define SDL_strncasecmp strncasecmp
743#define SDL_sscanf sscanf
744#define SDL_vsscanf vsscanf
745#define SDL_snprintf snprintf
746#define SDL_vsnprintf vsnprintf
747#endif
748
749SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
750{
751 return SDL_memcpy(dst, src, dwords * 4);
752}
753
754/**
755 * If a * b would overflow, return -1. Otherwise store a * b via ret
756 * and return 0.
757 *
758 * \since This function is available since SDL 2.24.0.
759 */
761 size_t b,
762 size_t *ret)
763{
764 if (a != 0 && b > SDL_SIZE_MAX / a) {
765 return -1;
766 }
767 *ret = a * b;
768 return 0;
769}
770
771#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
772/* This needs to be wrapped in an inline rather than being a direct #define,
773 * because __builtin_mul_overflow() is type-generic, but we want to be
774 * consistent about interpreting a and b as size_t. */
775SDL_FORCE_INLINE int _SDL_size_mul_overflow_builtin (size_t a,
776 size_t b,
777 size_t *ret)
778{
779 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
780}
781#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
782#endif
783
784/**
785 * If a + b would overflow, return -1. Otherwise store a + b via ret
786 * and return 0.
787 *
788 * \since This function is available since SDL 2.24.0.
789 */
791 size_t b,
792 size_t *ret)
793{
794 if (b > SDL_SIZE_MAX - a) {
795 return -1;
796 }
797 *ret = a + b;
798 return 0;
799}
800
801#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
802/* This needs to be wrapped in an inline rather than being a direct #define,
803 * the same as the call to __builtin_mul_overflow() above. */
804SDL_FORCE_INLINE int _SDL_size_add_overflow_builtin (size_t a,
805 size_t b,
806 size_t *ret)
807{
808 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
809}
810#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
811#endif
812
813/* Ends C function definitions when using C++ */
814#ifdef __cplusplus
815}
816#endif
817#include "close_code.h"
818
819#endif /* SDL_stdinc_h_ */
820
821/* 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
wchar_t * SDL_wcsdup(const wchar_t *wstr)
double SDL_sqrt(double x)
int SDL_atoi(const char *str)
SDL_iconv_t SDL_iconv_open(const char *tocode, const char *fromcode)
float SDL_tanf(float x)
SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
Definition: SDL_stdinc.h:521
int SDL_isspace(int x)
int SDL_isalnum(int x)
char * SDL_strlwr(char *str)
void * SDL_realloc(void *mem, size_t size)
int SDL_tolower(int x)
int SDL_abs(int x)
size_t SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
double SDL_tan(double x)
uint8_t Uint8
Definition: SDL_stdinc.h:202
char * SDL_ltoa(long value, char *str, int radix)
int SDL_isxdigit(int x)
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)
void *(* SDL_malloc_func)(size_t size)
Definition: SDL_stdinc.h:436
#define SDL_OUT_BYTECAP(x)
Definition: SDL_stdinc.h:362
char * SDL_strrchr(const char *str, int c)
#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)
struct _SDL_iconv_t * SDL_iconv_t
Definition: SDL_stdinc.h:679
int SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len)
char * SDL_itoa(int value, char *str, int radix)
char * SDL_strdup(const char *str)
float SDL_copysignf(float x, float y)
char * SDL_strupr(char *str)
float SDL_acosf(float x)
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)
SDL_FORCE_INLINE int SDL_size_mul_overflow(size_t a, size_t b, size_t *ret)
Definition: SDL_stdinc.h:760
int SDL_strncmp(const char *str1, const char *str2, size_t maxlen)
char * SDL_strchr(const char *str, int c)
#define SDL_IN_BYTECAP(x)
Definition: SDL_stdinc.h:358
void * SDL_malloc(size_t size)
char * SDL_uitoa(unsigned int value, char *str, int radix)
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)
double SDL_sin(double x)
float SDL_scalbnf(float x, int n)
void * SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
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
wchar_t * SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle)
float SDL_sinf(float x)
double SDL_ceil(double x)
size_t SDL_utf8strnlen(const char *str, size_t bytes)
void * SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len)
int SDL_strcasecmp(const char *str1, const char *str2)
#define SDL_SCANF_FORMAT_STRING
Definition: SDL_stdinc.h:365
char * SDL_strstr(const char *haystack, const char *needle)
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)
void * SDL_calloc(size_t nmemb, size_t size)
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)
char * SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft)
int SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2)
char * SDL_getenv(const char *name)
double SDL_fmod(double x, double y)
char * SDL_lltoa(Sint64 value, char *str, int radix)
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_strrev(char *str)
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)
void * SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
void(* SDL_free_func)(void *mem)
Definition: SDL_stdinc.h:439
int SDL_memcmp(const void *s1, const void *s2, size_t len)
char * SDL_ulltoa(Uint64 value, char *str, int radix)
int16_t Sint16
Definition: SDL_stdinc.h:208
float SDL_roundf(float x)
double SDL_strtod(const char *str, char **endp)
long SDL_lroundf(float x)
char * SDL_ultoa(unsigned long value, char *str, int radix)
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)
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:790
double SDL_cos(double x)
#define SDL_PRINTF_FORMAT_STRING
Definition: SDL_stdinc.h:364
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:381
float SDL_atan2f(float y, float x)
int SDL_isupper(int x)
float SDL_fabsf(float x)
uint64_t Uint64
Definition: SDL_stdinc.h:239
int SDL_iscntrl(int x)
void SDL_free(void *mem)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
Definition: SDL_stdinc.h:437
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:372
double SDL_atan2(double y, double x)
double SDL_log(double x)
int SDL_toupper(int x)
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:749
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_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int(*compare)(const void *, const void *))
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)
void *(* SDL_realloc_func)(void *mem, size_t size)
Definition: SDL_stdinc.h:438
char * SDL_strtokr(char *s1, const char *s2, char **saveptr)
size_t SDL_utf8strlen(const char *str)
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