SDL 2.0
SDL_stdinc.h
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2025 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/* WIKI CATEGORY: StdInc */
23
24/**
25 * # CategoryStdInc
26 *
27 * This is a general header that includes C language support.
28 */
29
30#ifndef SDL_stdinc_h_
31#define SDL_stdinc_h_
32
33#include "SDL_config.h"
34
35#ifdef HAVE_SYS_TYPES_H
36#include <sys/types.h>
37#endif
38#ifdef HAVE_STDIO_H
39#include <stdio.h>
40#endif
41#if defined(STDC_HEADERS)
42# include <stdlib.h>
43# include <stddef.h>
44# include <stdarg.h>
45#else
46# if defined(HAVE_STDLIB_H)
47# include <stdlib.h>
48# elif defined(HAVE_MALLOC_H)
49# include <malloc.h>
50# endif
51# if defined(HAVE_STDDEF_H)
52# include <stddef.h>
53# endif
54# if defined(HAVE_STDARG_H)
55# include <stdarg.h>
56# endif
57#endif
58#ifdef HAVE_STRING_H
59# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
60# include <memory.h>
61# endif
62# include <string.h>
63#endif
64#ifdef HAVE_STRINGS_H
65# include <strings.h>
66#endif
67#ifdef HAVE_WCHAR_H
68# include <wchar.h>
69#endif
70#if defined(HAVE_INTTYPES_H)
71# include <inttypes.h>
72#elif defined(HAVE_STDINT_H)
73# include <stdint.h>
74#endif
75#ifdef HAVE_CTYPE_H
76# include <ctype.h>
77#endif
78#ifdef HAVE_MATH_H
79# if defined(_MSC_VER)
80/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
81 Visual Studio. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
82 for more information.
83*/
84# ifndef _USE_MATH_DEFINES
85# define _USE_MATH_DEFINES
86# endif
87# endif
88# include <math.h>
89#endif
90#ifdef HAVE_FLOAT_H
91# include <float.h>
92#endif
93#if defined(HAVE_ALLOCA) && !defined(alloca)
94# if defined(HAVE_ALLOCA_H)
95# include <alloca.h>
96# elif defined(__GNUC__)
97# define alloca __builtin_alloca
98# elif defined(_MSC_VER)
99# include <malloc.h>
100# define alloca _alloca
101# elif defined(__WATCOMC__)
102# include <malloc.h>
103# elif defined(__BORLANDC__)
104# include <malloc.h>
105# elif defined(__DMC__)
106# include <stdlib.h>
107# elif defined(__AIX__)
108#pragma alloca
109# elif defined(__MRC__)
110void *alloca(unsigned);
111# else
112void *alloca(size_t);
113# endif
114#endif
115
116#ifdef SIZE_MAX
117# define SDL_SIZE_MAX SIZE_MAX
118#else
119# define SDL_SIZE_MAX ((size_t) -1)
120#endif
121
122/**
123 * Check if the compiler supports a given builtin.
124 * Supported by virtually all clang versions and recent gcc. Use this
125 * instead of checking the clang version if possible.
126 */
127#ifdef __has_builtin
128#define _SDL_HAS_BUILTIN(x) __has_builtin(x)
129#else
130#define _SDL_HAS_BUILTIN(x) 0
131#endif
132
133/**
134 * The number of elements in an array.
135 */
136#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
137#define SDL_TABLESIZE(table) SDL_arraysize(table)
138
139/**
140 * Macro useful for building other macros with strings in them
141 *
142 * e.g:
143 *
144 * ```c
145 * #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")
146 * ```
147 */
148#define SDL_STRINGIFY_ARG(arg) #arg
149
150/**
151 * \name Cast operators
152 *
153 * Use proper C++ casts when compiled as C++ to be compatible with the option
154 * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
155 */
156/* @{ */
157#ifdef __cplusplus
158#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
159#define SDL_static_cast(type, expression) static_cast<type>(expression)
160#define SDL_const_cast(type, expression) const_cast<type>(expression)
161#else
162#define SDL_reinterpret_cast(type, expression) ((type)(expression))
163#define SDL_static_cast(type, expression) ((type)(expression))
164#define SDL_const_cast(type, expression) ((type)(expression))
165#endif
166/* @} *//* Cast operators */
167
168/* Define a four character code as a Uint32 */
169#define SDL_FOURCC(A, B, C, D) \
170 ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
171 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
172 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
173 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
174
175/**
176 * \name Basic data types
177 */
178/* @{ */
179
180#ifdef __CC_ARM
181/* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */
182#define SDL_FALSE 0
183#define SDL_TRUE 1
184typedef int SDL_bool;
185#else
186typedef enum
187{
189 SDL_TRUE = 1
191#endif
192
193/**
194 * A signed 8-bit integer type.
195 */
196typedef int8_t Sint8;
197#define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */
198#define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */
199
200/**
201 * An unsigned 8-bit integer type.
202 */
204#define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */
205#define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */
206
207/**
208 * A signed 16-bit integer type.
209 */
211#define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */
212#define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */
213
214/**
215 * An unsigned 16-bit integer type.
216 */
218#define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */
219#define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */
220
221/**
222 * A signed 32-bit integer type.
223 */
225#define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */
226#define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */
227
228/**
229 * An unsigned 32-bit integer type.
230 */
232#define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */
233#define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */
234
235/**
236 * A signed 64-bit integer type.
237 */
239#define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */
240#define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */
241
242/**
243 * An unsigned 64-bit integer type.
244 */
246#define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */
247#define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */
248
249
250/* @} *//* Basic data types */
251
252/**
253 * \name Floating-point constants
254 */
255/* @{ */
256
257#ifdef FLT_EPSILON
258#define SDL_FLT_EPSILON FLT_EPSILON
259#else
260#define SDL_FLT_EPSILON 1.1920928955078125e-07F /* 0x0.000002p0 */
261#endif
262
263/* @} *//* Floating-point constants */
264
265/* Make sure we have macros for printing width-based integers.
266 * <stdint.h> should define these but this is not true all platforms.
267 * (for example win32) */
268#ifndef SDL_PRIs64
269#if defined(__WIN32__) || defined(__GDK__)
270#define SDL_PRIs64 "I64d"
271#elif defined(PRId64)
272#define SDL_PRIs64 PRId64
273#elif defined(__LP64__) && !defined(__APPLE__) && !defined(__EMSCRIPTEN__)
274#define SDL_PRIs64 "ld"
275#else
276#define SDL_PRIs64 "lld"
277#endif
278#endif
279#ifndef SDL_PRIu64
280#if defined(__WIN32__) || defined(__GDK__)
281#define SDL_PRIu64 "I64u"
282#elif defined(PRIu64)
283#define SDL_PRIu64 PRIu64
284#elif defined(__LP64__) && !defined(__APPLE__)
285#define SDL_PRIu64 "lu"
286#else
287#define SDL_PRIu64 "llu"
288#endif
289#endif
290#ifndef SDL_PRIx64
291#if defined(__WIN32__) || defined(__GDK__)
292#define SDL_PRIx64 "I64x"
293#elif defined(PRIx64)
294#define SDL_PRIx64 PRIx64
295#elif defined(__LP64__) && !defined(__APPLE__)
296#define SDL_PRIx64 "lx"
297#else
298#define SDL_PRIx64 "llx"
299#endif
300#endif
301#ifndef SDL_PRIX64
302#if defined(__WIN32__) || defined(__GDK__)
303#define SDL_PRIX64 "I64X"
304#elif defined(PRIX64)
305#define SDL_PRIX64 PRIX64
306#elif defined(__LP64__) && !defined(__APPLE__)
307#define SDL_PRIX64 "lX"
308#else
309#define SDL_PRIX64 "llX"
310#endif
311#endif
312#ifndef SDL_PRIs32
313#ifdef PRId32
314#define SDL_PRIs32 PRId32
315#else
316#define SDL_PRIs32 "d"
317#endif
318#endif
319#ifndef SDL_PRIu32
320#ifdef PRIu32
321#define SDL_PRIu32 PRIu32
322#else
323#define SDL_PRIu32 "u"
324#endif
325#endif
326#ifndef SDL_PRIx32
327#ifdef PRIx32
328#define SDL_PRIx32 PRIx32
329#else
330#define SDL_PRIx32 "x"
331#endif
332#endif
333#ifndef SDL_PRIX32
334#ifdef PRIX32
335#define SDL_PRIX32 PRIX32
336#else
337#define SDL_PRIX32 "X"
338#endif
339#endif
340
341/* Annotations to help code analysis tools */
342#ifdef SDL_DISABLE_ANALYZE_MACROS
343#define SDL_IN_BYTECAP(x)
344#define SDL_INOUT_Z_CAP(x)
345#define SDL_OUT_Z_CAP(x)
346#define SDL_OUT_CAP(x)
347#define SDL_OUT_BYTECAP(x)
348#define SDL_OUT_Z_BYTECAP(x)
349#define SDL_PRINTF_FORMAT_STRING
350#define SDL_SCANF_FORMAT_STRING
351#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
352#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber )
353#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
354#define SDL_SCANF_VARARG_FUNCV( fmtargnumber )
355#else
356#if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */
357#include <sal.h>
358
359#define SDL_IN_BYTECAP(x) _In_bytecount_(x)
360#define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
361#define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
362#define SDL_OUT_CAP(x) _Out_cap_(x)
363#define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
364#define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
365
366#define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
367#define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
368#else
369#define SDL_IN_BYTECAP(x)
370#define SDL_INOUT_Z_CAP(x)
371#define SDL_OUT_Z_CAP(x)
372#define SDL_OUT_CAP(x)
373#define SDL_OUT_BYTECAP(x)
374#define SDL_OUT_Z_BYTECAP(x)
375#define SDL_PRINTF_FORMAT_STRING
376#define SDL_SCANF_FORMAT_STRING
377#endif
378#if defined(__GNUC__)
379#define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
380#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber ) __attribute__(( format( __printf__, fmtargnumber, 0 )))
381#define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
382#define SDL_SCANF_VARARG_FUNCV( fmtargnumber ) __attribute__(( format( __scanf__, fmtargnumber, 0 )))
383#else
384#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
385#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber )
386#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
387#define SDL_SCANF_VARARG_FUNCV( fmtargnumber )
388#endif
389#endif /* SDL_DISABLE_ANALYZE_MACROS */
390
391#ifndef SDL_COMPILE_TIME_ASSERT
392#if defined(__cplusplus)
393/* Keep C++ case alone: Some versions of gcc will define __STDC_VERSION__ even when compiling in C++ mode. */
394#if (__cplusplus >= 201103L)
395#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
396#endif
397#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202311L)
398#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
399#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
400#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
401#endif
402#endif /* !SDL_COMPILE_TIME_ASSERT */
403
404#ifndef SDL_COMPILE_TIME_ASSERT
405/* universal, but may trigger -Wunused-local-typedefs */
406#define SDL_COMPILE_TIME_ASSERT(name, x) \
407 typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
408#endif
409
410/** \cond */
411#ifndef DOXYGEN_SHOULD_IGNORE_THIS
412SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
413SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
414SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
415SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
416SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
417SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
418SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
419SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
420#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
421/** \endcond */
422
423/* Check to make sure enums are the size of ints, for structure packing.
424 For both Watcom C/C++ and Borland C/C++ the compiler option that makes
425 enums having the size of an int must be enabled.
426 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
427*/
428
429/** \cond */
430#ifndef DOXYGEN_SHOULD_IGNORE_THIS
431#if !defined(__VITA__) && !defined(__3DS__)
432/* TODO: include/SDL_stdinc.h:422: error: size of array 'SDL_dummy_enum' is negative */
433typedef enum
434{
435 DUMMY_ENUM_VALUE
436} SDL_DUMMY_ENUM;
437
438SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
439#endif
440#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
441/** \endcond */
442
443#include "begin_code.h"
444/* Set up for C function definitions, even when using C++ */
445#ifdef __cplusplus
446extern "C" {
447#endif
448
449#ifdef HAVE_ALLOCA
450#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
451#define SDL_stack_free(data)
452#else
453#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
454#define SDL_stack_free(data) SDL_free(data)
455#endif
456
457extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
458extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
459extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
460extern DECLSPEC void SDLCALL SDL_free(void *mem);
461
462typedef void *(SDLCALL *SDL_malloc_func)(size_t size);
463typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size);
464typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size);
465typedef void (SDLCALL *SDL_free_func)(void *mem);
466
467/**
468 * Get the original set of SDL memory functions
469 *
470 * \since This function is available since SDL 2.24.0.
471 */
472extern DECLSPEC void SDLCALL SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func,
473 SDL_calloc_func *calloc_func,
474 SDL_realloc_func *realloc_func,
475 SDL_free_func *free_func);
476
477/**
478 * Get the current set of SDL memory functions
479 *
480 * \since This function is available since SDL 2.0.7.
481 */
482extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func,
483 SDL_calloc_func *calloc_func,
484 SDL_realloc_func *realloc_func,
485 SDL_free_func *free_func);
486
487/**
488 * Replace SDL's memory allocation functions with a custom set
489 *
490 * \since This function is available since SDL 2.0.7.
491 */
492extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
493 SDL_calloc_func calloc_func,
494 SDL_realloc_func realloc_func,
495 SDL_free_func free_func);
496
497/**
498 * Get the number of outstanding (unfreed) allocations
499 *
500 * \since This function is available since SDL 2.0.7.
501 */
502extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void);
503
504extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
505extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
506
507typedef int (SDLCALL *SDL_CompareCallback)(const void *, const void *);
508extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, SDL_CompareCallback compare);
509extern DECLSPEC void * SDLCALL SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, SDL_CompareCallback compare);
510
511extern DECLSPEC int SDLCALL SDL_abs(int x);
512
513/* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
514#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
515#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
516#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
517
518extern DECLSPEC int SDLCALL SDL_isalpha(int x);
519extern DECLSPEC int SDLCALL SDL_isalnum(int x);
520extern DECLSPEC int SDLCALL SDL_isblank(int x);
521extern DECLSPEC int SDLCALL SDL_iscntrl(int x);
522extern DECLSPEC int SDLCALL SDL_isdigit(int x);
523extern DECLSPEC int SDLCALL SDL_isxdigit(int x);
524extern DECLSPEC int SDLCALL SDL_ispunct(int x);
525extern DECLSPEC int SDLCALL SDL_isspace(int x);
526extern DECLSPEC int SDLCALL SDL_isupper(int x);
527extern DECLSPEC int SDLCALL SDL_islower(int x);
528extern DECLSPEC int SDLCALL SDL_isprint(int x);
529extern DECLSPEC int SDLCALL SDL_isgraph(int x);
530extern DECLSPEC int SDLCALL SDL_toupper(int x);
531extern DECLSPEC int SDLCALL SDL_tolower(int x);
532
533extern DECLSPEC Uint16 SDLCALL SDL_crc16(Uint16 crc, const void *data, size_t len);
534extern DECLSPEC Uint32 SDLCALL SDL_crc32(Uint32 crc, const void *data, size_t len);
535
536extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
537
538/* Some safe(r) macros for zero'ing structures... */
539#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
540#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
541#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
542
543#define SDL_copyp(dst, src) \
544 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
545 SDL_memcpy((dst), (src), sizeof (*(src)))
546
547
548/* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
549SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
550{
551#if defined(__GNUC__) && defined(__i386__)
552 int u0, u1, u2;
553 __asm__ __volatile__ (
554 "cld \n\t"
555 "rep ; stosl \n\t"
556 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
557 : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
558 : "memory"
559 );
560#else
561 size_t _n = (dwords + 3) / 4;
562 Uint32 *_p = SDL_static_cast(Uint32 *, dst);
563 Uint32 _val = (val);
564 if (dwords == 0) {
565 return;
566 }
567 switch (dwords % 4) {
568 case 0: do { *_p++ = _val; SDL_FALLTHROUGH;
569 case 3: *_p++ = _val; SDL_FALLTHROUGH;
570 case 2: *_p++ = _val; SDL_FALLTHROUGH;
571 case 1: *_p++ = _val;
572 } while ( --_n );
573 }
574#endif
575}
576
577extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
578
579extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
580extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
581
582extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
583extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
584extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
585extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
586extern DECLSPEC wchar_t *SDLCALL SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle);
587
588extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
589extern DECLSPEC int SDLCALL SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen);
590extern DECLSPEC int SDLCALL SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2);
591extern DECLSPEC int SDLCALL SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len);
592
593extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
594extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
595extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
596extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
597extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
598extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
599extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
600extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
601extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
602extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
603extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
604extern DECLSPEC char *SDLCALL SDL_strcasestr(const char *haystack, const char *needle);
605extern DECLSPEC char *SDLCALL SDL_strtokr(char *s1, const char *s2, char **saveptr);
606extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
607extern DECLSPEC size_t SDLCALL SDL_utf8strnlen(const char *str, size_t bytes);
608
609extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
610extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
611extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
612extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
613extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
614extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
615
616extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
617extern DECLSPEC double SDLCALL SDL_atof(const char *str);
618extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
619extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
620extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
621extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
622extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
623
624extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
625extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
626extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
627extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
628
629extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
630extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, va_list ap) SDL_SCANF_VARARG_FUNCV(2);
631extern 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);
632extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list ap) SDL_PRINTF_VARARG_FUNCV(3);
633extern DECLSPEC int SDLCALL SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
634extern DECLSPEC int SDLCALL SDL_vasprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list ap) SDL_PRINTF_VARARG_FUNCV(2);
635
636#ifndef HAVE_M_PI
637#ifndef M_PI
638#define M_PI 3.14159265358979323846264338327950288 /**< pi */
639#endif
640#endif
641
642/**
643 * Use this function to compute arc cosine of `x`.
644 *
645 * The definition of `y = acos(x)` is `x = cos(y)`.
646 *
647 * Domain: `-1 <= x <= 1`
648 *
649 * Range: `0 <= y <= Pi`
650 *
651 * \param x floating point value, in radians.
652 * \returns arc cosine of `x`.
653 *
654 * \since This function is available since SDL 2.0.2.
655 */
656extern DECLSPEC double SDLCALL SDL_acos(double x);
657extern DECLSPEC float SDLCALL SDL_acosf(float x);
658extern DECLSPEC double SDLCALL SDL_asin(double x);
659extern DECLSPEC float SDLCALL SDL_asinf(float x);
660extern DECLSPEC double SDLCALL SDL_atan(double x);
661extern DECLSPEC float SDLCALL SDL_atanf(float x);
662extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
663extern DECLSPEC float SDLCALL SDL_atan2f(float y, float x);
664extern DECLSPEC double SDLCALL SDL_ceil(double x);
665extern DECLSPEC float SDLCALL SDL_ceilf(float x);
666extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
667extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
668extern DECLSPEC double SDLCALL SDL_cos(double x);
669extern DECLSPEC float SDLCALL SDL_cosf(float x);
670extern DECLSPEC double SDLCALL SDL_exp(double x);
671extern DECLSPEC float SDLCALL SDL_expf(float x);
672extern DECLSPEC double SDLCALL SDL_fabs(double x);
673extern DECLSPEC float SDLCALL SDL_fabsf(float x);
674extern DECLSPEC double SDLCALL SDL_floor(double x);
675extern DECLSPEC float SDLCALL SDL_floorf(float x);
676extern DECLSPEC double SDLCALL SDL_trunc(double x);
677extern DECLSPEC float SDLCALL SDL_truncf(float x);
678extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
679extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
680extern DECLSPEC double SDLCALL SDL_log(double x);
681extern DECLSPEC float SDLCALL SDL_logf(float x);
682extern DECLSPEC double SDLCALL SDL_log10(double x);
683extern DECLSPEC float SDLCALL SDL_log10f(float x);
684extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
685extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
686extern DECLSPEC double SDLCALL SDL_round(double x);
687extern DECLSPEC float SDLCALL SDL_roundf(float x);
688extern DECLSPEC long SDLCALL SDL_lround(double x);
689extern DECLSPEC long SDLCALL SDL_lroundf(float x);
690extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
691extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
692extern DECLSPEC double SDLCALL SDL_sin(double x);
693extern DECLSPEC float SDLCALL SDL_sinf(float x);
694extern DECLSPEC double SDLCALL SDL_sqrt(double x);
695extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
696extern DECLSPEC double SDLCALL SDL_tan(double x);
697extern DECLSPEC float SDLCALL SDL_tanf(float x);
698
699/* The SDL implementation of iconv() returns these error codes */
700#define SDL_ICONV_ERROR (size_t)-1
701#define SDL_ICONV_E2BIG (size_t)-2
702#define SDL_ICONV_EILSEQ (size_t)-3
703#define SDL_ICONV_EINVAL (size_t)-4
704
705/* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
706typedef struct _SDL_iconv_t *SDL_iconv_t;
707extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
708 const char *fromcode);
709extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
710extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
711 size_t * inbytesleft, char **outbuf,
712 size_t * outbytesleft);
713
714/**
715 * This function converts a buffer or string between encodings in one pass,
716 * returning a string that must be freed with SDL_free() or NULL on error.
717 *
718 * \since This function is available since SDL 2.0.0.
719 */
720extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
721 const char *fromcode,
722 const char *inbuf,
723 size_t inbytesleft);
724
725/* Some helper macros for common cases... */
726#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
727#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
728#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
729#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
730
731/* force builds using Clang's static analysis tools to use literal C runtime
732 here, since there are possibly tests that are ineffective otherwise. */
733#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
734
735/* The analyzer knows about strlcpy even when the system doesn't provide it */
736#ifndef HAVE_STRLCPY
737size_t strlcpy(char* dst, const char* src, size_t size);
738#endif
739
740/* The analyzer knows about strlcat even when the system doesn't provide it */
741#ifndef HAVE_STRLCAT
742size_t strlcat(char* dst, const char* src, size_t size);
743#endif
744
745#ifndef HAVE_WCSLCPY
746size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
747#endif
748
749#ifndef HAVE_WCSLCAT
750size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
751#endif
752
753/* strdup is not ANSI but POSIX, and its prototype might be hidden... */
754char *strdup(const char *str);
755
756/* Starting LLVM 16, the analyser errors out if these functions do not have
757 their prototype defined (clang-diagnostic-implicit-function-declaration) */
758#include <stdlib.h>
759#include <string.h>
760#include <stdio.h>
761
762#define SDL_malloc malloc
763#define SDL_calloc calloc
764#define SDL_realloc realloc
765#define SDL_free free
766#define SDL_memset memset
767#define SDL_memcpy memcpy
768#define SDL_memmove memmove
769#define SDL_memcmp memcmp
770#define SDL_strlcpy strlcpy
771#define SDL_strlcat strlcat
772#define SDL_strlen strlen
773#define SDL_wcslen wcslen
774#define SDL_wcslcpy wcslcpy
775#define SDL_wcslcat wcslcat
776#define SDL_strdup strdup
777#define SDL_wcsdup wcsdup
778#define SDL_strchr strchr
779#define SDL_strrchr strrchr
780#define SDL_strstr strstr
781#define SDL_wcsstr wcsstr
782#define SDL_strtokr strtok_r
783#define SDL_strcmp strcmp
784#define SDL_wcscmp wcscmp
785#define SDL_strncmp strncmp
786#define SDL_wcsncmp wcsncmp
787#define SDL_strcasecmp strcasecmp
788#define SDL_strncasecmp strncasecmp
789#define SDL_sscanf sscanf
790#define SDL_vsscanf vsscanf
791#define SDL_snprintf snprintf
792#define SDL_vsnprintf vsnprintf
793#endif
794
795SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
796{
797 return SDL_memcpy(dst, src, dwords * 4);
798}
799
800/**
801 * If a * b would overflow, return -1.
802 *
803 * Otherwise store a * b via ret and return 0.
804 *
805 * \since This function is available since SDL 2.24.0.
806 */
808 size_t b,
809 size_t *ret)
810{
811 if (a != 0 && b > SDL_SIZE_MAX / a) {
812 return -1;
813 }
814 *ret = a * b;
815 return 0;
816}
817
818#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
819/* This needs to be wrapped in an inline rather than being a direct #define,
820 * because __builtin_mul_overflow() is type-generic, but we want to be
821 * consistent about interpreting a and b as size_t. */
822SDL_FORCE_INLINE int _SDL_size_mul_overflow_builtin (size_t a,
823 size_t b,
824 size_t *ret)
825{
826 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
827}
828#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
829#endif
830
831/**
832 * If a + b would overflow, return -1.
833 *
834 * Otherwise store a + b via ret and return 0.
835 *
836 * \since This function is available since SDL 2.24.0.
837 */
839 size_t b,
840 size_t *ret)
841{
842 if (b > SDL_SIZE_MAX - a) {
843 return -1;
844 }
845 *ret = a + b;
846 return 0;
847}
848
849#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
850/* This needs to be wrapped in an inline rather than being a direct #define,
851 * the same as the call to __builtin_mul_overflow() above. */
852SDL_FORCE_INLINE int _SDL_size_add_overflow_builtin (size_t a,
853 size_t b,
854 size_t *ret)
855{
856 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
857}
858#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
859#endif
860
861/* Ends C function definitions when using C++ */
862#ifdef __cplusplus
863}
864#endif
865#include "close_code.h"
866
867#endif /* SDL_stdinc_h_ */
868
869/* 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:549
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:203
char * SDL_ltoa(long value, char *str, int radix)
void SDL_qsort(void *base, size_t nmemb, size_t size, SDL_CompareCallback compare)
int SDL_isxdigit(int x)
float SDL_ceilf(float x)
int64_t Sint64
Definition SDL_stdinc.h:238
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:462
#define SDL_OUT_BYTECAP(x)
Definition SDL_stdinc.h:373
char * SDL_strrchr(const char *str, int c)
#define SDL_SIZE_MAX
Definition SDL_stdinc.h:119
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
uint16_t Uint16
Definition SDL_stdinc.h:217
int SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt,...) SDL_SCANF_VARARG_FUNC(2)
float SDL_atanf(float x)
int SDL_isprint(int x)
#define SDL_PRINTF_VARARG_FUNCV(fmtargnumber)
Definition SDL_stdinc.h:385
struct _SDL_iconv_t * SDL_iconv_t
Definition SDL_stdinc.h:706
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:807
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:369
void * SDL_malloc(size_t size)
int SDL_vasprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list ap) SDL_PRINTF_VARARG_FUNCV(2)
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)
char * SDL_strcasestr(const char *haystack, const char *needle)
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)
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list ap) SDL_PRINTF_VARARG_FUNCV(3)
#define SDL_SCANF_VARARG_FUNCV(fmtargnumber)
Definition SDL_stdinc.h:387
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:376
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:163
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:224
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:370
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:187
@ SDL_TRUE
Definition SDL_stdinc.h:189
@ SDL_FALSE
Definition SDL_stdinc.h:188
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:465
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:210
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)
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:838
double SDL_cos(double x)
#define SDL_PRINTF_FORMAT_STRING
Definition SDL_stdinc.h:375
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:384
#define SDL_COMPILE_TIME_ASSERT(name, x)
Definition SDL_stdinc.h:406
float SDL_atan2f(float y, float x)
int SDL_isupper(int x)
float SDL_fabsf(float x)
uint64_t Uint64
Definition SDL_stdinc.h:245
int SDL_iscntrl(int x)
void * SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, SDL_CompareCallback compare)
void SDL_free(void *mem)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
Definition SDL_stdinc.h:463
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition SDL_stdinc.h:386
double SDL_atan2(double y, double x)
double SDL_log(double x)
int(* SDL_CompareCallback)(const void *, const void *)
Definition SDL_stdinc.h:507
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:795
uint32_t Uint32
Definition SDL_stdinc.h:231
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)
size_t SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
double SDL_copysign(double x, double y)
int SDL_vsscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, va_list ap) SDL_SCANF_VARARG_FUNCV(2)
void *(* SDL_realloc_func)(void *mem, size_t size)
Definition SDL_stdinc.h:464
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:371
Uint64 SDL_strtoull(const char *str, char **endp, int base)
double SDL_trunc(double x)
#define SDL_FALLTHROUGH
Definition begin_code.h:185
#define SDL_FORCE_INLINE
Definition begin_code.h:145