SDL 2.0
SDL_stdinc.h
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2024 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 HAVE_SYS_TYPES_H
34#include <sys/types.h>
35#endif
36#ifdef HAVE_STDIO_H
37#include <stdio.h>
38#endif
39#if defined(STDC_HEADERS)
40# include <stdlib.h>
41# include <stddef.h>
42# include <stdarg.h>
43#else
44# if defined(HAVE_STDLIB_H)
45# include <stdlib.h>
46# elif defined(HAVE_MALLOC_H)
47# include <malloc.h>
48# endif
49# if defined(HAVE_STDDEF_H)
50# include <stddef.h>
51# endif
52# if defined(HAVE_STDARG_H)
53# include <stdarg.h>
54# endif
55#endif
56#ifdef HAVE_STRING_H
57# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
58# include <memory.h>
59# endif
60# include <string.h>
61#endif
62#ifdef HAVE_STRINGS_H
63# include <strings.h>
64#endif
65#ifdef HAVE_WCHAR_H
66# include <wchar.h>
67#endif
68#if defined(HAVE_INTTYPES_H)
69# include <inttypes.h>
70#elif defined(HAVE_STDINT_H)
71# include <stdint.h>
72#endif
73#ifdef HAVE_CTYPE_H
74# include <ctype.h>
75#endif
76#ifdef HAVE_MATH_H
77# if defined(_MSC_VER)
78/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
79 Visual Studio. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
80 for more information.
81*/
82# ifndef _USE_MATH_DEFINES
83# define _USE_MATH_DEFINES
84# endif
85# endif
86# include <math.h>
87#endif
88#ifdef HAVE_FLOAT_H
89# include <float.h>
90#endif
91#if defined(HAVE_ALLOCA) && !defined(alloca)
92# if defined(HAVE_ALLOCA_H)
93# include <alloca.h>
94# elif defined(__GNUC__)
95# define alloca __builtin_alloca
96# elif defined(_MSC_VER)
97# include <malloc.h>
98# define alloca _alloca
99# elif defined(__WATCOMC__)
100# include <malloc.h>
101# elif defined(__BORLANDC__)
102# include <malloc.h>
103# elif defined(__DMC__)
104# include <stdlib.h>
105# elif defined(__AIX__)
106#pragma alloca
107# elif defined(__MRC__)
108void *alloca(unsigned);
109# else
110void *alloca(size_t);
111# endif
112#endif
113
114#ifdef SIZE_MAX
115# define SDL_SIZE_MAX SIZE_MAX
116#else
117# define SDL_SIZE_MAX ((size_t) -1)
118#endif
119
120/**
121 * Check if the compiler supports a given builtin.
122 * Supported by virtually all clang versions and recent gcc. Use this
123 * instead of checking the clang version if possible.
124 */
125#ifdef __has_builtin
126#define _SDL_HAS_BUILTIN(x) __has_builtin(x)
127#else
128#define _SDL_HAS_BUILTIN(x) 0
129#endif
130
131/**
132 * The number of elements in an array.
133 */
134#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
135#define SDL_TABLESIZE(table) SDL_arraysize(table)
136
137/**
138 * Macro useful for building other macros with strings in them
139 *
140 * e.g. #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")
141 */
142#define SDL_STRINGIFY_ARG(arg) #arg
143
144/**
145 * \name Cast operators
146 *
147 * Use proper C++ casts when compiled as C++ to be compatible with the option
148 * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
149 */
150/* @{ */
151#ifdef __cplusplus
152#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
153#define SDL_static_cast(type, expression) static_cast<type>(expression)
154#define SDL_const_cast(type, expression) const_cast<type>(expression)
155#else
156#define SDL_reinterpret_cast(type, expression) ((type)(expression))
157#define SDL_static_cast(type, expression) ((type)(expression))
158#define SDL_const_cast(type, expression) ((type)(expression))
159#endif
160/* @} *//* Cast operators */
161
162/* Define a four character code as a Uint32 */
163#define SDL_FOURCC(A, B, C, D) \
164 ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
165 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
166 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
167 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
168
169/**
170 * \name Basic data types
171 */
172/* @{ */
173
174#ifdef __CC_ARM
175/* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */
176#define SDL_FALSE 0
177#define SDL_TRUE 1
178typedef int SDL_bool;
179#else
180typedef enum
181{
183 SDL_TRUE = 1
185#endif
186
187/**
188 * \brief A signed 8-bit integer type.
189 */
190#define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */
191#define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */
192typedef int8_t Sint8;
193/**
194 * \brief An unsigned 8-bit integer type.
195 */
196#define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */
197#define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */
199/**
200 * \brief A signed 16-bit integer type.
201 */
202#define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */
203#define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */
205/**
206 * \brief An unsigned 16-bit integer type.
207 */
208#define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */
209#define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */
211/**
212 * \brief A signed 32-bit integer type.
213 */
214#define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */
215#define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */
217/**
218 * \brief An unsigned 32-bit integer type.
219 */
220#define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */
221#define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */
223
224/**
225 * \brief A signed 64-bit integer type.
226 */
227#define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */
228#define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */
230/**
231 * \brief An unsigned 64-bit integer type.
232 */
233#define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */
234#define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */
236
237/* @} *//* Basic data types */
238
239/**
240 * \name Floating-point constants
241 */
242/* @{ */
243
244#ifdef FLT_EPSILON
245#define SDL_FLT_EPSILON FLT_EPSILON
246#else
247#define SDL_FLT_EPSILON 1.1920928955078125e-07F /* 0x0.000002p0 */
248#endif
249
250/* @} *//* Floating-point constants */
251
252/* Make sure we have macros for printing width-based integers.
253 * <stdint.h> should define these but this is not true all platforms.
254 * (for example win32) */
255#ifndef SDL_PRIs64
256#if defined(__WIN32__) || defined(__GDK__)
257#define SDL_PRIs64 "I64d"
258#elif defined(PRIs64)
259#define SDL_PRIs64 PRIs64
260#elif defined(__LP64__) && !defined(__APPLE__)
261#define SDL_PRIs64 "ld"
262#else
263#define SDL_PRIs64 "lld"
264#endif
265#endif
266#ifndef SDL_PRIu64
267#if defined(__WIN32__) || defined(__GDK__)
268#define SDL_PRIu64 "I64u"
269#elif defined(PRIu64)
270#define SDL_PRIu64 PRIu64
271#elif defined(__LP64__) && !defined(__APPLE__)
272#define SDL_PRIu64 "lu"
273#else
274#define SDL_PRIu64 "llu"
275#endif
276#endif
277#ifndef SDL_PRIx64
278#if defined(__WIN32__) || defined(__GDK__)
279#define SDL_PRIx64 "I64x"
280#elif defined(PRIx64)
281#define SDL_PRIx64 PRIx64
282#elif defined(__LP64__) && !defined(__APPLE__)
283#define SDL_PRIx64 "lx"
284#else
285#define SDL_PRIx64 "llx"
286#endif
287#endif
288#ifndef SDL_PRIX64
289#if defined(__WIN32__) || defined(__GDK__)
290#define SDL_PRIX64 "I64X"
291#elif defined(PRIX64)
292#define SDL_PRIX64 PRIX64
293#elif defined(__LP64__) && !defined(__APPLE__)
294#define SDL_PRIX64 "lX"
295#else
296#define SDL_PRIX64 "llX"
297#endif
298#endif
299#ifndef SDL_PRIs32
300#ifdef PRId32
301#define SDL_PRIs32 PRId32
302#else
303#define SDL_PRIs32 "d"
304#endif
305#endif
306#ifndef SDL_PRIu32
307#ifdef PRIu32
308#define SDL_PRIu32 PRIu32
309#else
310#define SDL_PRIu32 "u"
311#endif
312#endif
313#ifndef SDL_PRIx32
314#ifdef PRIx32
315#define SDL_PRIx32 PRIx32
316#else
317#define SDL_PRIx32 "x"
318#endif
319#endif
320#ifndef SDL_PRIX32
321#ifdef PRIX32
322#define SDL_PRIX32 PRIX32
323#else
324#define SDL_PRIX32 "X"
325#endif
326#endif
327
328/* Annotations to help code analysis tools */
329#ifdef SDL_DISABLE_ANALYZE_MACROS
330#define SDL_IN_BYTECAP(x)
331#define SDL_INOUT_Z_CAP(x)
332#define SDL_OUT_Z_CAP(x)
333#define SDL_OUT_CAP(x)
334#define SDL_OUT_BYTECAP(x)
335#define SDL_OUT_Z_BYTECAP(x)
336#define SDL_PRINTF_FORMAT_STRING
337#define SDL_SCANF_FORMAT_STRING
338#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
339#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber )
340#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
341#define SDL_SCANF_VARARG_FUNCV( fmtargnumber )
342#else
343#if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */
344#include <sal.h>
345
346#define SDL_IN_BYTECAP(x) _In_bytecount_(x)
347#define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
348#define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
349#define SDL_OUT_CAP(x) _Out_cap_(x)
350#define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
351#define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
352
353#define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
354#define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
355#else
356#define SDL_IN_BYTECAP(x)
357#define SDL_INOUT_Z_CAP(x)
358#define SDL_OUT_Z_CAP(x)
359#define SDL_OUT_CAP(x)
360#define SDL_OUT_BYTECAP(x)
361#define SDL_OUT_Z_BYTECAP(x)
362#define SDL_PRINTF_FORMAT_STRING
363#define SDL_SCANF_FORMAT_STRING
364#endif
365#if defined(__GNUC__)
366#define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
367#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber ) __attribute__(( format( __printf__, fmtargnumber, 0 )))
368#define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
369#define SDL_SCANF_VARARG_FUNCV( fmtargnumber ) __attribute__(( format( __scanf__, fmtargnumber, 0 )))
370#else
371#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
372#define SDL_PRINTF_VARARG_FUNCV( fmtargnumber )
373#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
374#define SDL_SCANF_VARARG_FUNCV( fmtargnumber )
375#endif
376#endif /* SDL_DISABLE_ANALYZE_MACROS */
377
378#ifndef SDL_COMPILE_TIME_ASSERT
379#if defined(__cplusplus)
380/* Keep C++ case alone: Some versions of gcc will define __STDC_VERSION__ even when compiling in C++ mode. */
381#if (__cplusplus >= 201103L)
382#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
383#endif
384#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202311L)
385#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
386#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
387#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
388#endif
389#endif /* !SDL_COMPILE_TIME_ASSERT */
390
391#ifndef SDL_COMPILE_TIME_ASSERT
392/* universal, but may trigger -Wunused-local-typedefs */
393#define SDL_COMPILE_TIME_ASSERT(name, x) \
394 typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
395#endif
396
397/** \cond */
398#ifndef DOXYGEN_SHOULD_IGNORE_THIS
399SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
400SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
401SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
402SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
403SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
404SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
405SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
406SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
407#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
408/** \endcond */
409
410/* Check to make sure enums are the size of ints, for structure packing.
411 For both Watcom C/C++ and Borland C/C++ the compiler option that makes
412 enums having the size of an int must be enabled.
413 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
414*/
415
416/** \cond */
417#ifndef DOXYGEN_SHOULD_IGNORE_THIS
418#if !defined(__ANDROID__) && !defined(__VITA__) && !defined(__3DS__)
419 /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
420typedef enum
421{
422 DUMMY_ENUM_VALUE
423} SDL_DUMMY_ENUM;
424
425SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
426#endif
427#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
428/** \endcond */
429
430#include "begin_code.h"
431/* Set up for C function definitions, even when using C++ */
432#ifdef __cplusplus
433extern "C" {
434#endif
435
436#ifdef HAVE_ALLOCA
437#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
438#define SDL_stack_free(data)
439#else
440#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
441#define SDL_stack_free(data) SDL_free(data)
442#endif
443
444extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
445extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
446extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
447extern DECLSPEC void SDLCALL SDL_free(void *mem);
448
449typedef void *(SDLCALL *SDL_malloc_func)(size_t size);
450typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size);
451typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size);
452typedef void (SDLCALL *SDL_free_func)(void *mem);
453
454/**
455 * Get the original set of SDL memory functions
456 *
457 * \since This function is available since SDL 2.24.0.
458 */
459extern DECLSPEC void SDLCALL SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func,
460 SDL_calloc_func *calloc_func,
461 SDL_realloc_func *realloc_func,
462 SDL_free_func *free_func);
463
464/**
465 * Get the current set of SDL memory functions
466 *
467 * \since This function is available since SDL 2.0.7.
468 */
469extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func,
470 SDL_calloc_func *calloc_func,
471 SDL_realloc_func *realloc_func,
472 SDL_free_func *free_func);
473
474/**
475 * Replace SDL's memory allocation functions with a custom set
476 *
477 * \since This function is available since SDL 2.0.7.
478 */
479extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
480 SDL_calloc_func calloc_func,
481 SDL_realloc_func realloc_func,
482 SDL_free_func free_func);
483
484/**
485 * Get the number of outstanding (unfreed) allocations
486 *
487 * \since This function is available since SDL 2.0.7.
488 */
489extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void);
490
491extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
492extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
493
494extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
495extern DECLSPEC void * SDLCALL SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
496
497extern DECLSPEC int SDLCALL SDL_abs(int x);
498
499/* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
500#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
501#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
502#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
503
504extern DECLSPEC int SDLCALL SDL_isalpha(int x);
505extern DECLSPEC int SDLCALL SDL_isalnum(int x);
506extern DECLSPEC int SDLCALL SDL_isblank(int x);
507extern DECLSPEC int SDLCALL SDL_iscntrl(int x);
508extern DECLSPEC int SDLCALL SDL_isdigit(int x);
509extern DECLSPEC int SDLCALL SDL_isxdigit(int x);
510extern DECLSPEC int SDLCALL SDL_ispunct(int x);
511extern DECLSPEC int SDLCALL SDL_isspace(int x);
512extern DECLSPEC int SDLCALL SDL_isupper(int x);
513extern DECLSPEC int SDLCALL SDL_islower(int x);
514extern DECLSPEC int SDLCALL SDL_isprint(int x);
515extern DECLSPEC int SDLCALL SDL_isgraph(int x);
516extern DECLSPEC int SDLCALL SDL_toupper(int x);
517extern DECLSPEC int SDLCALL SDL_tolower(int x);
518
519extern DECLSPEC Uint16 SDLCALL SDL_crc16(Uint16 crc, const void *data, size_t len);
520extern DECLSPEC Uint32 SDLCALL SDL_crc32(Uint32 crc, const void *data, size_t len);
521
522extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
523
524#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
525#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
526#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
527
528#define SDL_copyp(dst, src) \
529 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
530 SDL_memcpy((dst), (src), sizeof (*(src)))
531
532
533/* Note that memset() is a byte assignment and this is a 32-bit assignment, so they're not directly equivalent. */
534SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
535{
536#if defined(__GNUC__) && defined(__i386__)
537 int u0, u1, u2;
538 __asm__ __volatile__ (
539 "cld \n\t"
540 "rep ; stosl \n\t"
541 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
542 : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, dwords))
543 : "memory"
544 );
545#else
546 size_t _n = (dwords + 3) / 4;
547 Uint32 *_p = SDL_static_cast(Uint32 *, dst);
548 Uint32 _val = (val);
549 if (dwords == 0) {
550 return;
551 }
552 switch (dwords % 4) {
553 case 0: do { *_p++ = _val; SDL_FALLTHROUGH;
554 case 3: *_p++ = _val; SDL_FALLTHROUGH;
555 case 2: *_p++ = _val; SDL_FALLTHROUGH;
556 case 1: *_p++ = _val;
557 } while ( --_n );
558 }
559#endif
560}
561
562extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
563
564extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
565extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
566
567extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
568extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
569extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
570extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
571extern DECLSPEC wchar_t *SDLCALL SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle);
572
573extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
574extern DECLSPEC int SDLCALL SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen);
575extern DECLSPEC int SDLCALL SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2);
576extern DECLSPEC int SDLCALL SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len);
577
578extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
579extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
580extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
581extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
582extern DECLSPEC char *SDLCALL SDL_strdup(const char *str);
583extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
584extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
585extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
586extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
587extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
588extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
589extern DECLSPEC char *SDLCALL SDL_strcasestr(const char *haystack, const char *needle);
590extern DECLSPEC char *SDLCALL SDL_strtokr(char *s1, const char *s2, char **saveptr);
591extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
592extern DECLSPEC size_t SDLCALL SDL_utf8strnlen(const char *str, size_t bytes);
593
594extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
595extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
596extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
597extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
598extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
599extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
600
601extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
602extern DECLSPEC double SDLCALL SDL_atof(const char *str);
603extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
604extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
605extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
606extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
607extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
608
609extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
610extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
611extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
612extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
613
614extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
615extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, va_list ap) SDL_SCANF_VARARG_FUNCV(2);
616extern 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);
617extern 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);
618extern DECLSPEC int SDLCALL SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
619extern DECLSPEC int SDLCALL SDL_vasprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, va_list ap) SDL_PRINTF_VARARG_FUNCV(2);
620
621#ifndef HAVE_M_PI
622#ifndef M_PI
623#define M_PI 3.14159265358979323846264338327950288 /**< pi */
624#endif
625#endif
626
627/**
628 * Use this function to compute arc cosine of `x`.
629 *
630 * The definition of `y = acos(x)` is `x = cos(y)`.
631 *
632 * Domain: `-1 <= x <= 1`
633 *
634 * Range: `0 <= y <= Pi`
635 *
636 * \param x floating point value, in radians.
637 * \returns arc cosine of `x`.
638 *
639 * \since This function is available since SDL 2.0.2.
640 */
641extern DECLSPEC double SDLCALL SDL_acos(double x);
642extern DECLSPEC float SDLCALL SDL_acosf(float x);
643extern DECLSPEC double SDLCALL SDL_asin(double x);
644extern DECLSPEC float SDLCALL SDL_asinf(float x);
645extern DECLSPEC double SDLCALL SDL_atan(double x);
646extern DECLSPEC float SDLCALL SDL_atanf(float x);
647extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
648extern DECLSPEC float SDLCALL SDL_atan2f(float y, float x);
649extern DECLSPEC double SDLCALL SDL_ceil(double x);
650extern DECLSPEC float SDLCALL SDL_ceilf(float x);
651extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
652extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
653extern DECLSPEC double SDLCALL SDL_cos(double x);
654extern DECLSPEC float SDLCALL SDL_cosf(float x);
655extern DECLSPEC double SDLCALL SDL_exp(double x);
656extern DECLSPEC float SDLCALL SDL_expf(float x);
657extern DECLSPEC double SDLCALL SDL_fabs(double x);
658extern DECLSPEC float SDLCALL SDL_fabsf(float x);
659extern DECLSPEC double SDLCALL SDL_floor(double x);
660extern DECLSPEC float SDLCALL SDL_floorf(float x);
661extern DECLSPEC double SDLCALL SDL_trunc(double x);
662extern DECLSPEC float SDLCALL SDL_truncf(float x);
663extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
664extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
665extern DECLSPEC double SDLCALL SDL_log(double x);
666extern DECLSPEC float SDLCALL SDL_logf(float x);
667extern DECLSPEC double SDLCALL SDL_log10(double x);
668extern DECLSPEC float SDLCALL SDL_log10f(float x);
669extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
670extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
671extern DECLSPEC double SDLCALL SDL_round(double x);
672extern DECLSPEC float SDLCALL SDL_roundf(float x);
673extern DECLSPEC long SDLCALL SDL_lround(double x);
674extern DECLSPEC long SDLCALL SDL_lroundf(float x);
675extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
676extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
677extern DECLSPEC double SDLCALL SDL_sin(double x);
678extern DECLSPEC float SDLCALL SDL_sinf(float x);
679extern DECLSPEC double SDLCALL SDL_sqrt(double x);
680extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
681extern DECLSPEC double SDLCALL SDL_tan(double x);
682extern DECLSPEC float SDLCALL SDL_tanf(float x);
683
684/* The SDL implementation of iconv() returns these error codes */
685#define SDL_ICONV_ERROR (size_t)-1
686#define SDL_ICONV_E2BIG (size_t)-2
687#define SDL_ICONV_EILSEQ (size_t)-3
688#define SDL_ICONV_EINVAL (size_t)-4
689
690/* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
691typedef struct _SDL_iconv_t *SDL_iconv_t;
692extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
693 const char *fromcode);
694extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
695extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
696 size_t * inbytesleft, char **outbuf,
697 size_t * outbytesleft);
698
699/**
700 * This function converts a buffer or string between encodings in one pass,
701 * returning a string that must be freed with SDL_free() or NULL on error.
702 *
703 * \since This function is available since SDL 2.0.0.
704 */
705extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
706 const char *fromcode,
707 const char *inbuf,
708 size_t inbytesleft);
709#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
710#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
711#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
712#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
713
714/* force builds using Clang's static analysis tools to use literal C runtime
715 here, since there are possibly tests that are ineffective otherwise. */
716#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
717
718/* The analyzer knows about strlcpy even when the system doesn't provide it */
719#ifndef HAVE_STRLCPY
720size_t strlcpy(char* dst, const char* src, size_t size);
721#endif
722
723/* The analyzer knows about strlcat even when the system doesn't provide it */
724#ifndef HAVE_STRLCAT
725size_t strlcat(char* dst, const char* src, size_t size);
726#endif
727
728#ifndef HAVE_WCSLCPY
729size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
730#endif
731
732#ifndef HAVE_WCSLCAT
733size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
734#endif
735
736/* Starting LLVM 16, the analyser errors out if these functions do not have
737 their prototype defined (clang-diagnostic-implicit-function-declaration) */
738#include <stdlib.h>
739#include <string.h>
740#include <stdio.h>
741
742#define SDL_malloc malloc
743#define SDL_calloc calloc
744#define SDL_realloc realloc
745#define SDL_free free
746#define SDL_memset memset
747#define SDL_memcpy memcpy
748#define SDL_memmove memmove
749#define SDL_memcmp memcmp
750#define SDL_strlcpy strlcpy
751#define SDL_strlcat strlcat
752#define SDL_strlen strlen
753#define SDL_wcslen wcslen
754#define SDL_wcslcpy wcslcpy
755#define SDL_wcslcat wcslcat
756#define SDL_strdup strdup
757#define SDL_wcsdup wcsdup
758#define SDL_strchr strchr
759#define SDL_strrchr strrchr
760#define SDL_strstr strstr
761#define SDL_wcsstr wcsstr
762#define SDL_strtokr strtok_r
763#define SDL_strcmp strcmp
764#define SDL_wcscmp wcscmp
765#define SDL_strncmp strncmp
766#define SDL_wcsncmp wcsncmp
767#define SDL_strcasecmp strcasecmp
768#define SDL_strncasecmp strncasecmp
769#define SDL_sscanf sscanf
770#define SDL_vsscanf vsscanf
771#define SDL_snprintf snprintf
772#define SDL_vsnprintf vsnprintf
773#endif
774
775SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
776{
777 return SDL_memcpy(dst, src, dwords * 4);
778}
779
780/**
781 * If a * b would overflow, return -1. Otherwise store a * b via ret
782 * and return 0.
783 *
784 * \since This function is available since SDL 2.24.0.
785 */
787 size_t b,
788 size_t *ret)
789{
790 if (a != 0 && b > SDL_SIZE_MAX / a) {
791 return -1;
792 }
793 *ret = a * b;
794 return 0;
795}
796
797#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
798/* This needs to be wrapped in an inline rather than being a direct #define,
799 * because __builtin_mul_overflow() is type-generic, but we want to be
800 * consistent about interpreting a and b as size_t. */
801SDL_FORCE_INLINE int _SDL_size_mul_overflow_builtin (size_t a,
802 size_t b,
803 size_t *ret)
804{
805 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
806}
807#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
808#endif
809
810/**
811 * If a + b would overflow, return -1. Otherwise store a + b via ret
812 * and return 0.
813 *
814 * \since This function is available since SDL 2.24.0.
815 */
817 size_t b,
818 size_t *ret)
819{
820 if (b > SDL_SIZE_MAX - a) {
821 return -1;
822 }
823 *ret = a + b;
824 return 0;
825}
826
827#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
828/* This needs to be wrapped in an inline rather than being a direct #define,
829 * the same as the call to __builtin_mul_overflow() above. */
830SDL_FORCE_INLINE int _SDL_size_add_overflow_builtin (size_t a,
831 size_t b,
832 size_t *ret)
833{
834 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
835}
836#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
837#endif
838
839/* Ends C function definitions when using C++ */
840#ifdef __cplusplus
841}
842#endif
843#include "close_code.h"
844
845#endif /* SDL_stdinc_h_ */
846
847/* 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:534
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:198
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:229
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:449
#define SDL_OUT_BYTECAP(x)
Definition SDL_stdinc.h:360
char * SDL_strrchr(const char *str, int c)
#define SDL_SIZE_MAX
Definition SDL_stdinc.h:117
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
uint16_t Uint16
Definition SDL_stdinc.h:210
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 *))
float SDL_atanf(float x)
int SDL_isprint(int x)
#define SDL_PRINTF_VARARG_FUNCV(fmtargnumber)
Definition SDL_stdinc.h:372
struct _SDL_iconv_t * SDL_iconv_t
Definition SDL_stdinc.h:691
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:786
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:356
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:192
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:374
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:363
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:157
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:216
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:357
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:181
@ SDL_TRUE
Definition SDL_stdinc.h:183
@ SDL_FALSE
Definition SDL_stdinc.h:182
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:452
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:204
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:816
double SDL_cos(double x)
#define SDL_PRINTF_FORMAT_STRING
Definition SDL_stdinc.h:362
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:393
float SDL_atan2f(float y, float x)
int SDL_isupper(int x)
float SDL_fabsf(float x)
uint64_t Uint64
Definition SDL_stdinc.h:235
int SDL_iscntrl(int x)
void SDL_free(void *mem)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
Definition SDL_stdinc.h:450
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition SDL_stdinc.h:373
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:775
uint32_t Uint32
Definition SDL_stdinc.h:222
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)
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:451
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:358
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