SDL 3.0
SDL_stdinc.h
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21
22/**
23 * \file SDL_stdinc.h
24 *
25 * This is a general header that includes C language support.
26 */
27
28#ifndef SDL_stdinc_h_
29#define SDL_stdinc_h_
30
32
33#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
34#include <inttypes.h>
35#endif
36#include <stdarg.h>
37#include <stdint.h>
38#include <wchar.h>
39
40#if !defined(alloca)
41# if defined(HAVE_ALLOCA_H)
42# include <alloca.h>
43# elif defined(__GNUC__)
44# define alloca __builtin_alloca
45# elif defined(_MSC_VER)
46# include <malloc.h>
47# define alloca _alloca
48# elif defined(__WATCOMC__)
49# include <malloc.h>
50# elif defined(__BORLANDC__)
51# include <malloc.h>
52# elif defined(__DMC__)
53# include <stdlib.h>
54# elif defined(__AIX__)
55#pragma alloca
56# elif defined(__MRC__)
57void *alloca(unsigned);
58# else
59char *alloca();
60# endif
61#endif
62
63#ifdef SIZE_MAX
64# define SDL_SIZE_MAX SIZE_MAX
65#else
66# define SDL_SIZE_MAX ((size_t) -1)
67#endif
68
69/**
70 * Check if the compiler supports a given builtin.
71 * Supported by virtually all clang versions and recent gcc. Use this
72 * instead of checking the clang version if possible.
73 */
74#ifdef __has_builtin
75#define SDL_HAS_BUILTIN(x) __has_builtin(x)
76#else
77#define SDL_HAS_BUILTIN(x) 0
78#endif
79
80/**
81 * The number of elements in an array.
82 */
83#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
84#define SDL_TABLESIZE(table) SDL_arraysize(table)
85
86/**
87 * Macro useful for building other macros with strings in them
88 *
89 * e.g. #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")
90 */
91#define SDL_STRINGIFY_ARG(arg) #arg
92
93/**
94 * \name Cast operators
95 *
96 * Use proper C++ casts when compiled as C++ to be compatible with the option
97 * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
98 */
99/* @{ */
100#ifdef __cplusplus
101#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
102#define SDL_static_cast(type, expression) static_cast<type>(expression)
103#define SDL_const_cast(type, expression) const_cast<type>(expression)
104#else
105#define SDL_reinterpret_cast(type, expression) ((type)(expression))
106#define SDL_static_cast(type, expression) ((type)(expression))
107#define SDL_const_cast(type, expression) ((type)(expression))
108#endif
109/* @} *//* Cast operators */
110
111/* Define a four character code as a Uint32 */
112#define SDL_FOURCC(A, B, C, D) \
113 ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
114 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
115 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
116 (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
117
118/**
119 * \name Basic data types
120 */
121/* @{ */
122
123#ifdef __CC_ARM
124/* ARM's compiler throws warnings if we use an enum: like "SDL_bool x = a < b;" */
125#define SDL_FALSE 0
126#define SDL_TRUE 1
127typedef int SDL_bool;
128#else
129typedef enum
130{
132 SDL_TRUE = 1
134#endif
135
136/**
137 * \brief A signed 8-bit integer type.
138 */
139#define SDL_MAX_SINT8 ((Sint8)0x7F) /* 127 */
140#define SDL_MIN_SINT8 ((Sint8)(~0x7F)) /* -128 */
141typedef int8_t Sint8;
142/**
143 * \brief An unsigned 8-bit integer type.
144 */
145#define SDL_MAX_UINT8 ((Uint8)0xFF) /* 255 */
146#define SDL_MIN_UINT8 ((Uint8)0x00) /* 0 */
148/**
149 * \brief A signed 16-bit integer type.
150 */
151#define SDL_MAX_SINT16 ((Sint16)0x7FFF) /* 32767 */
152#define SDL_MIN_SINT16 ((Sint16)(~0x7FFF)) /* -32768 */
154/**
155 * \brief An unsigned 16-bit integer type.
156 */
157#define SDL_MAX_UINT16 ((Uint16)0xFFFF) /* 65535 */
158#define SDL_MIN_UINT16 ((Uint16)0x0000) /* 0 */
160/**
161 * \brief A signed 32-bit integer type.
162 */
163#define SDL_MAX_SINT32 ((Sint32)0x7FFFFFFF) /* 2147483647 */
164#define SDL_MIN_SINT32 ((Sint32)(~0x7FFFFFFF)) /* -2147483648 */
166/**
167 * \brief An unsigned 32-bit integer type.
168 */
169#define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) /* 4294967295 */
170#define SDL_MIN_UINT32 ((Uint32)0x00000000) /* 0 */
172
173/**
174 * \brief A signed 64-bit integer type.
175 */
176#define SDL_MAX_SINT64 ((Sint64)0x7FFFFFFFFFFFFFFFll) /* 9223372036854775807 */
177#define SDL_MIN_SINT64 ((Sint64)(~0x7FFFFFFFFFFFFFFFll)) /* -9223372036854775808 */
179/**
180 * \brief An unsigned 64-bit integer type.
181 */
182#define SDL_MAX_UINT64 ((Uint64)0xFFFFFFFFFFFFFFFFull) /* 18446744073709551615 */
183#define SDL_MIN_UINT64 ((Uint64)(0x0000000000000000ull)) /* 0 */
185
186/* @} *//* Basic data types */
187
188/**
189 * \name Floating-point constants
190 */
191/* @{ */
192
193#ifdef FLT_EPSILON
194#define SDL_FLT_EPSILON FLT_EPSILON
195#else
196#define SDL_FLT_EPSILON 1.1920928955078125e-07F /* 0x0.000002p0 */
197#endif
198
199/* @} *//* Floating-point constants */
200
201/* Make sure we have macros for printing width-based integers.
202 * <stdint.h> should define these but this is not true all platforms.
203 * (for example win32) */
204#ifndef SDL_PRIs64
205#ifdef PRIs64
206#define SDL_PRIs64 PRIs64
207#elif defined(__WIN32__) || defined(__GDK__)
208#define SDL_PRIs64 "I64d"
209#elif defined(__LP64__) && !defined(__APPLE__)
210#define SDL_PRIs64 "ld"
211#else
212#define SDL_PRIs64 "lld"
213#endif
214#endif
215#ifndef SDL_PRIu64
216#ifdef PRIu64
217#define SDL_PRIu64 PRIu64
218#elif defined(__WIN32__) || defined(__GDK__)
219#define SDL_PRIu64 "I64u"
220#elif defined(__LP64__) && !defined(__APPLE__)
221#define SDL_PRIu64 "lu"
222#else
223#define SDL_PRIu64 "llu"
224#endif
225#endif
226#ifndef SDL_PRIx64
227#ifdef PRIx64
228#define SDL_PRIx64 PRIx64
229#elif defined(__WIN32__) || defined(__GDK__)
230#define SDL_PRIx64 "I64x"
231#elif defined(__LP64__) && !defined(__APPLE__)
232#define SDL_PRIx64 "lx"
233#else
234#define SDL_PRIx64 "llx"
235#endif
236#endif
237#ifndef SDL_PRIX64
238#ifdef PRIX64
239#define SDL_PRIX64 PRIX64
240#elif defined(__WIN32__) || defined(__GDK__)
241#define SDL_PRIX64 "I64X"
242#elif defined(__LP64__) && !defined(__APPLE__)
243#define SDL_PRIX64 "lX"
244#else
245#define SDL_PRIX64 "llX"
246#endif
247#endif
248#ifndef SDL_PRIs32
249#ifdef PRId32
250#define SDL_PRIs32 PRId32
251#else
252#define SDL_PRIs32 "d"
253#endif
254#endif
255#ifndef SDL_PRIu32
256#ifdef PRIu32
257#define SDL_PRIu32 PRIu32
258#else
259#define SDL_PRIu32 "u"
260#endif
261#endif
262#ifndef SDL_PRIx32
263#ifdef PRIx32
264#define SDL_PRIx32 PRIx32
265#else
266#define SDL_PRIx32 "x"
267#endif
268#endif
269#ifndef SDL_PRIX32
270#ifdef PRIX32
271#define SDL_PRIX32 PRIX32
272#else
273#define SDL_PRIX32 "X"
274#endif
275#endif
276
277/* Annotations to help code analysis tools */
278#ifdef SDL_DISABLE_ANALYZE_MACROS
279#define SDL_IN_BYTECAP(x)
280#define SDL_INOUT_Z_CAP(x)
281#define SDL_OUT_Z_CAP(x)
282#define SDL_OUT_CAP(x)
283#define SDL_OUT_BYTECAP(x)
284#define SDL_OUT_Z_BYTECAP(x)
285#define SDL_PRINTF_FORMAT_STRING
286#define SDL_SCANF_FORMAT_STRING
287#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
288#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
289#else
290#if defined(_MSC_VER) && (_MSC_VER >= 1600) /* VS 2010 and above */
291#include <sal.h>
292
293#define SDL_IN_BYTECAP(x) _In_bytecount_(x)
294#define SDL_INOUT_Z_CAP(x) _Inout_z_cap_(x)
295#define SDL_OUT_Z_CAP(x) _Out_z_cap_(x)
296#define SDL_OUT_CAP(x) _Out_cap_(x)
297#define SDL_OUT_BYTECAP(x) _Out_bytecap_(x)
298#define SDL_OUT_Z_BYTECAP(x) _Out_z_bytecap_(x)
299
300#define SDL_PRINTF_FORMAT_STRING _Printf_format_string_
301#define SDL_SCANF_FORMAT_STRING _Scanf_format_string_impl_
302#else
303#define SDL_IN_BYTECAP(x)
304#define SDL_INOUT_Z_CAP(x)
305#define SDL_OUT_Z_CAP(x)
306#define SDL_OUT_CAP(x)
307#define SDL_OUT_BYTECAP(x)
308#define SDL_OUT_Z_BYTECAP(x)
309#define SDL_PRINTF_FORMAT_STRING
310#define SDL_SCANF_FORMAT_STRING
311#endif
312#if defined(__GNUC__)
313#define SDL_PRINTF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __printf__, fmtargnumber, fmtargnumber+1 )))
314#define SDL_SCANF_VARARG_FUNC( fmtargnumber ) __attribute__ (( format( __scanf__, fmtargnumber, fmtargnumber+1 )))
315#else
316#define SDL_PRINTF_VARARG_FUNC( fmtargnumber )
317#define SDL_SCANF_VARARG_FUNC( fmtargnumber )
318#endif
319#endif /* SDL_DISABLE_ANALYZE_MACROS */
320
321#ifndef SDL_COMPILE_TIME_ASSERT
322#if defined(__cplusplus)
323#if (__cplusplus >= 201103L)
324#define SDL_COMPILE_TIME_ASSERT(name, x) static_assert(x, #x)
325#endif
326#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
327#define SDL_COMPILE_TIME_ASSERT(name, x) _Static_assert(x, #x)
328#endif
329#endif /* !SDL_COMPILE_TIME_ASSERT */
330
331#ifndef SDL_COMPILE_TIME_ASSERT
332/* universal, but may trigger -Wunused-local-typedefs */
333#define SDL_COMPILE_TIME_ASSERT(name, x) \
334 typedef int SDL_compile_time_assert_ ## name[(x) * 2 - 1]
335#endif
336
337/** \cond */
338#ifndef DOXYGEN_SHOULD_IGNORE_THIS
339SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
340SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
341SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
342SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
343SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
344SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
345SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
346SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
347#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
348/** \endcond */
349
350/* Check to make sure enums are the size of ints, for structure packing.
351 For both Watcom C/C++ and Borland C/C++ the compiler option that makes
352 enums having the size of an int must be enabled.
353 This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
354*/
355
356/** \cond */
357#ifndef DOXYGEN_SHOULD_IGNORE_THIS
358#if !defined(__ANDROID__) && !defined(__VITA__) && !defined(__3DS__)
359 /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
360typedef enum
361{
362 DUMMY_ENUM_VALUE
363} SDL_DUMMY_ENUM;
364
365SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
366#endif
367#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
368/** \endcond */
369
370#include <SDL3/SDL_begin_code.h>
371/* Set up for C function definitions, even when using C++ */
372#ifdef __cplusplus
373extern "C" {
374#endif
375
376#ifdef HAVE_ALLOCA
377#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
378#define SDL_stack_free(data)
379#else
380#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
381#define SDL_stack_free(data) SDL_free(data)
382#endif
383
384extern DECLSPEC SDL_MALLOC void *SDLCALL SDL_malloc(size_t size);
385extern DECLSPEC SDL_MALLOC SDL_ALLOC_SIZE2(1, 2) void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
386extern DECLSPEC SDL_ALLOC_SIZE(2) void *SDLCALL SDL_realloc(void *mem, size_t size);
387extern DECLSPEC void SDLCALL SDL_free(void *mem);
388
389typedef void *(SDLCALL *SDL_malloc_func)(size_t size);
390typedef void *(SDLCALL *SDL_calloc_func)(size_t nmemb, size_t size);
391typedef void *(SDLCALL *SDL_realloc_func)(void *mem, size_t size);
392typedef void (SDLCALL *SDL_free_func)(void *mem);
393
394/**
395 * Get the original set of SDL memory functions
396 *
397 * \param malloc_func filled with malloc function
398 * \param calloc_func filled with calloc function
399 * \param realloc_func filled with realloc function
400 * \param free_func filled with free function
401 *
402 * \since This function is available since SDL 3.0.0.
403 */
404extern DECLSPEC void SDLCALL SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func,
405 SDL_calloc_func *calloc_func,
406 SDL_realloc_func *realloc_func,
407 SDL_free_func *free_func);
408
409/**
410 * Get the current set of SDL memory functions
411 *
412 * \param malloc_func filled with malloc function
413 * \param calloc_func filled with calloc function
414 * \param realloc_func filled with realloc function
415 * \param free_func filled with free function
416 *
417 * \since This function is available since SDL 3.0.0.
418 */
419extern DECLSPEC void SDLCALL SDL_GetMemoryFunctions(SDL_malloc_func *malloc_func,
420 SDL_calloc_func *calloc_func,
421 SDL_realloc_func *realloc_func,
422 SDL_free_func *free_func);
423
424/**
425 * Replace SDL's memory allocation functions with a custom set
426 *
427 * \param malloc_func custom malloc function
428 * \param calloc_func custom calloc function
429 * \param realloc_func custom realloc function
430 * \param free_func custom free function
431 * \returns 0 on success or a negative error code on failure; call
432 * SDL_GetError() for more information.
433 *
434 * \since This function is available since SDL 3.0.0.
435 */
436extern DECLSPEC int SDLCALL SDL_SetMemoryFunctions(SDL_malloc_func malloc_func,
437 SDL_calloc_func calloc_func,
438 SDL_realloc_func realloc_func,
439 SDL_free_func free_func);
440
441/**
442 * Allocate memory aligned to a specific value
443 *
444 * If `alignment` is less than the size of `void *`, then it will be increased
445 * to match that.
446 *
447 * The returned memory address will be a multiple of the alignment value, and
448 * the amount of memory allocated will be a multiple of the alignment value.
449 *
450 * The memory returned by this function must be freed with SDL_aligned_free()
451 *
452 * \param alignment the alignment requested
453 * \param size the size to allocate
454 * \returns a pointer to the aligned memory
455 *
456 * \since This function is available since SDL 3.0.0.
457 *
458 * \sa SDL_aligned_free
459 */
460extern DECLSPEC SDL_MALLOC void *SDLCALL SDL_aligned_alloc(size_t alignment, size_t size);
461
462/**
463 * Free memory allocated by SDL_aligned_alloc()
464 *
465 * \since This function is available since SDL 3.0.0.
466 *
467 * \sa SDL_aligned_alloc
468 */
469extern DECLSPEC void SDLCALL SDL_aligned_free(void *mem);
470
471/**
472 * Get the number of outstanding (unfreed) allocations
473 *
474 * \returns the number of allocations
475 *
476 * \since This function is available since SDL 3.0.0.
477 */
478extern DECLSPEC int SDLCALL SDL_GetNumAllocations(void);
479
480extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
481extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, int overwrite);
482
483extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
484extern DECLSPEC void * SDLCALL SDL_bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (SDLCALL *compare) (const void *, const void *));
485
486extern DECLSPEC int SDLCALL SDL_abs(int x);
487
488/* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
489#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
490#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
491#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
492
493extern DECLSPEC int SDLCALL SDL_isalpha(int x);
494extern DECLSPEC int SDLCALL SDL_isalnum(int x);
495extern DECLSPEC int SDLCALL SDL_isblank(int x);
496extern DECLSPEC int SDLCALL SDL_iscntrl(int x);
497extern DECLSPEC int SDLCALL SDL_isdigit(int x);
498extern DECLSPEC int SDLCALL SDL_isxdigit(int x);
499extern DECLSPEC int SDLCALL SDL_ispunct(int x);
500extern DECLSPEC int SDLCALL SDL_isspace(int x);
501extern DECLSPEC int SDLCALL SDL_isupper(int x);
502extern DECLSPEC int SDLCALL SDL_islower(int x);
503extern DECLSPEC int SDLCALL SDL_isprint(int x);
504extern DECLSPEC int SDLCALL SDL_isgraph(int x);
505extern DECLSPEC int SDLCALL SDL_toupper(int x);
506extern DECLSPEC int SDLCALL SDL_tolower(int x);
507
508extern DECLSPEC Uint16 SDLCALL SDL_crc16(Uint16 crc, const void *data, size_t len);
509extern DECLSPEC Uint32 SDLCALL SDL_crc32(Uint32 crc, const void *data, size_t len);
510
511extern DECLSPEC void *SDLCALL SDL_memset(SDL_OUT_BYTECAP(len) void *dst, int c, size_t len);
512extern DECLSPEC void *SDLCALL SDL_memset4(void *dst, Uint32 val, size_t dwords);
513
514#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
515#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
516#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
517
518#define SDL_copyp(dst, src) \
519 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
520 SDL_memcpy((dst), (src), sizeof (*(src)))
521
522
523
524extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
525
526extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
527extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
528
529extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
530extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
531extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
532extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
533extern DECLSPEC wchar_t *SDLCALL SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle);
534
535extern DECLSPEC int SDLCALL SDL_wcscmp(const wchar_t *str1, const wchar_t *str2);
536extern DECLSPEC int SDLCALL SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen);
537extern DECLSPEC int SDLCALL SDL_wcscasecmp(const wchar_t *str1, const wchar_t *str2);
538extern DECLSPEC int SDLCALL SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len);
539
540extern DECLSPEC size_t SDLCALL SDL_strlen(const char *str);
541extern DECLSPEC size_t SDLCALL SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
542extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(SDL_OUT_Z_CAP(dst_bytes) char *dst, const char *src, size_t dst_bytes);
543extern DECLSPEC size_t SDLCALL SDL_strlcat(SDL_INOUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen);
544extern DECLSPEC SDL_MALLOC char *SDLCALL SDL_strdup(const char *str);
545extern DECLSPEC char *SDLCALL SDL_strrev(char *str);
546extern DECLSPEC char *SDLCALL SDL_strupr(char *str);
547extern DECLSPEC char *SDLCALL SDL_strlwr(char *str);
548extern DECLSPEC char *SDLCALL SDL_strchr(const char *str, int c);
549extern DECLSPEC char *SDLCALL SDL_strrchr(const char *str, int c);
550extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle);
551extern DECLSPEC char *SDLCALL SDL_strcasestr(const char *haystack, const char *needle);
552extern DECLSPEC char *SDLCALL SDL_strtokr(char *s1, const char *s2, char **saveptr);
553extern DECLSPEC size_t SDLCALL SDL_utf8strlen(const char *str);
554extern DECLSPEC size_t SDLCALL SDL_utf8strnlen(const char *str, size_t bytes);
555
556extern DECLSPEC char *SDLCALL SDL_itoa(int value, char *str, int radix);
557extern DECLSPEC char *SDLCALL SDL_uitoa(unsigned int value, char *str, int radix);
558extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *str, int radix);
559extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *str, int radix);
560extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *str, int radix);
561extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *str, int radix);
562
563extern DECLSPEC int SDLCALL SDL_atoi(const char *str);
564extern DECLSPEC double SDLCALL SDL_atof(const char *str);
565extern DECLSPEC long SDLCALL SDL_strtol(const char *str, char **endp, int base);
566extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *str, char **endp, int base);
567extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *str, char **endp, int base);
568extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *str, char **endp, int base);
569extern DECLSPEC double SDLCALL SDL_strtod(const char *str, char **endp);
570
571extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
572extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
573extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
574extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t len);
575
576extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, SDL_SCANF_FORMAT_STRING const char *fmt, ...) SDL_SCANF_VARARG_FUNC(2);
577extern DECLSPEC int SDLCALL SDL_vsscanf(const char *text, const char *fmt, va_list ap);
578extern 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);
579extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap);
580extern DECLSPEC int SDLCALL SDL_asprintf(char **strp, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
581extern DECLSPEC int SDLCALL SDL_vasprintf(char **strp, const char *fmt, va_list ap);
582
583#ifndef SDL_PI_D
584#define SDL_PI_D 3.141592653589793238462643383279502884 /**< pi (double) */
585#endif
586#ifndef SDL_PI_F
587#define SDL_PI_F 3.141592653589793238462643383279502884F /**< pi (float) */
588#endif
589
590/**
591 * Use this function to compute arc cosine of `x`.
592 *
593 * The definition of `y = acos(x)` is `x = cos(y)`.
594 *
595 * Domain: `-1 <= x <= 1`
596 *
597 * Range: `0 <= y <= Pi`
598 *
599 * \param x floating point value, in radians.
600 * \returns arc cosine of `x`.
601 *
602 * \since This function is available since SDL 3.0.0.
603 */
604extern DECLSPEC double SDLCALL SDL_acos(double x);
605extern DECLSPEC float SDLCALL SDL_acosf(float x);
606extern DECLSPEC double SDLCALL SDL_asin(double x);
607extern DECLSPEC float SDLCALL SDL_asinf(float x);
608extern DECLSPEC double SDLCALL SDL_atan(double x);
609extern DECLSPEC float SDLCALL SDL_atanf(float x);
610extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
611extern DECLSPEC float SDLCALL SDL_atan2f(float y, float x);
612extern DECLSPEC double SDLCALL SDL_ceil(double x);
613extern DECLSPEC float SDLCALL SDL_ceilf(float x);
614extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
615extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
616extern DECLSPEC double SDLCALL SDL_cos(double x);
617extern DECLSPEC float SDLCALL SDL_cosf(float x);
618extern DECLSPEC double SDLCALL SDL_exp(double x);
619extern DECLSPEC float SDLCALL SDL_expf(float x);
620extern DECLSPEC double SDLCALL SDL_fabs(double x);
621extern DECLSPEC float SDLCALL SDL_fabsf(float x);
622extern DECLSPEC double SDLCALL SDL_floor(double x);
623extern DECLSPEC float SDLCALL SDL_floorf(float x);
624extern DECLSPEC double SDLCALL SDL_trunc(double x);
625extern DECLSPEC float SDLCALL SDL_truncf(float x);
626extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
627extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
628extern DECLSPEC double SDLCALL SDL_log(double x);
629extern DECLSPEC float SDLCALL SDL_logf(float x);
630extern DECLSPEC double SDLCALL SDL_log10(double x);
631extern DECLSPEC float SDLCALL SDL_log10f(float x);
632extern DECLSPEC double SDLCALL SDL_modf(double x, double *y);
633extern DECLSPEC float SDLCALL SDL_modff(float x, float *y);
634extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
635extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
636extern DECLSPEC double SDLCALL SDL_round(double x);
637extern DECLSPEC float SDLCALL SDL_roundf(float x);
638extern DECLSPEC long SDLCALL SDL_lround(double x);
639extern DECLSPEC long SDLCALL SDL_lroundf(float x);
640extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
641extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
642extern DECLSPEC double SDLCALL SDL_sin(double x);
643extern DECLSPEC float SDLCALL SDL_sinf(float x);
644extern DECLSPEC double SDLCALL SDL_sqrt(double x);
645extern DECLSPEC float SDLCALL SDL_sqrtf(float x);
646extern DECLSPEC double SDLCALL SDL_tan(double x);
647extern DECLSPEC float SDLCALL SDL_tanf(float x);
648
649/* The SDL implementation of iconv() returns these error codes */
650#define SDL_ICONV_ERROR (size_t)-1
651#define SDL_ICONV_E2BIG (size_t)-2
652#define SDL_ICONV_EILSEQ (size_t)-3
653#define SDL_ICONV_EINVAL (size_t)-4
654
655/* SDL_iconv_* are now always real symbols/types, not macros or inlined. */
656typedef struct SDL_iconv_data_t *SDL_iconv_t;
657extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
658 const char *fromcode);
659extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
660extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
661 size_t * inbytesleft, char **outbuf,
662 size_t * outbytesleft);
663
664/**
665 * This function converts a string between encodings in one pass, returning a
666 * string that must be freed with SDL_free() or NULL on error.
667 *
668 * \since This function is available since SDL 3.0.0.
669 */
670extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
671 const char *fromcode,
672 const char *inbuf,
673 size_t inbytesleft);
674#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
675#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
676#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
677#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
678
679/* force builds using Clang's static analysis tools to use literal C runtime
680 here, since there are possibly tests that are ineffective otherwise. */
681#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
682
683/* The analyzer knows about strlcpy even when the system doesn't provide it */
684#ifndef HAVE_STRLCPY
685size_t strlcpy(char* dst, const char* src, size_t size);
686#endif
687
688/* The analyzer knows about strlcat even when the system doesn't provide it */
689#ifndef HAVE_STRLCAT
690size_t strlcat(char* dst, const char* src, size_t size);
691#endif
692
693#define SDL_malloc malloc
694#define SDL_calloc calloc
695#define SDL_realloc realloc
696#define SDL_free free
697#define SDL_memset memset
698#define SDL_memcpy memcpy
699#define SDL_memmove memmove
700#define SDL_memcmp memcmp
701#define SDL_strlcpy strlcpy
702#define SDL_strlcat strlcat
703#define SDL_strlen strlen
704#define SDL_wcslen wcslen
705#define SDL_wcslcpy wcslcpy
706#define SDL_wcslcat wcslcat
707#define SDL_strdup strdup
708#define SDL_wcsdup wcsdup
709#define SDL_strchr strchr
710#define SDL_strrchr strrchr
711#define SDL_strstr strstr
712#define SDL_wcsstr wcsstr
713#define SDL_strtokr strtok_r
714#define SDL_strcmp strcmp
715#define SDL_wcscmp wcscmp
716#define SDL_strncmp strncmp
717#define SDL_wcsncmp wcsncmp
718#define SDL_strcasecmp strcasecmp
719#define SDL_strncasecmp strncasecmp
720#define SDL_sscanf sscanf
721#define SDL_vsscanf vsscanf
722#define SDL_snprintf snprintf
723#define SDL_vsnprintf vsnprintf
724#endif
725
726SDL_FORCE_INLINE void *SDL_memcpy4(SDL_OUT_BYTECAP(dwords*4) void *dst, SDL_IN_BYTECAP(dwords*4) const void *src, size_t dwords)
727{
728 return SDL_memcpy(dst, src, dwords * 4);
729}
730
731/**
732 * If a * b would overflow, return -1. Otherwise store a * b via ret
733 * and return 0.
734 *
735 * \since This function is available since SDL 3.0.0.
736 */
738 size_t b,
739 size_t *ret)
740{
741 if (a != 0 && b > SDL_SIZE_MAX / a) {
742 return -1;
743 }
744 *ret = a * b;
745 return 0;
746}
747
748#if SDL_HAS_BUILTIN(__builtin_mul_overflow)
749/* This needs to be wrapped in an inline rather than being a direct #define,
750 * because __builtin_mul_overflow() is type-generic, but we want to be
751 * consistent about interpreting a and b as size_t. */
752SDL_FORCE_INLINE int SDL_size_mul_overflow_builtin (size_t a,
753 size_t b,
754 size_t *ret)
755{
756 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
757}
758#define SDL_size_mul_overflow(a, b, ret) (SDL_size_mul_overflow_builtin(a, b, ret))
759#endif
760
761/**
762 * If a + b would overflow, return -1. Otherwise store a + b via ret
763 * and return 0.
764 *
765 * \since This function is available since SDL 3.0.0.
766 */
768 size_t b,
769 size_t *ret)
770{
771 if (b > SDL_SIZE_MAX - a) {
772 return -1;
773 }
774 *ret = a + b;
775 return 0;
776}
777
778#if SDL_HAS_BUILTIN(__builtin_add_overflow)
779/* This needs to be wrapped in an inline rather than being a direct #define,
780 * the same as the call to __builtin_mul_overflow() above. */
781SDL_FORCE_INLINE int SDL_size_add_overflow_builtin (size_t a,
782 size_t b,
783 size_t *ret)
784{
785 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
786}
787#define SDL_size_add_overflow(a, b, ret) (SDL_size_add_overflow_builtin(a, b, ret))
788#endif
789
790/* This is a generic function pointer which should be cast to the type you expect */
791#ifdef SDL_FUNCTION_POINTER_IS_VOID_POINTER
792typedef void *SDL_FunctionPointer;
793#else
795#endif
796
797/* Ends C function definitions when using C++ */
798#ifdef __cplusplus
799}
800#endif
801#include <SDL3/SDL_close_code.h>
802
803#endif /* SDL_stdinc_h_ */
#define SDL_FORCE_INLINE
#define SDL_MALLOC
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
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1567
typedef void(APIENTRYP PFNGLDRAWRANGEELEMENTSPROC)(GLenum mode
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1967
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1567
const GLubyte * c
GLuint GLfloat * val
GLenum src
GLuint64 key
GLuint GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat s1
GLenum GLsizei len
GLboolean GLboolean GLboolean b
GLsizeiptr size
GLenum GLenum dst
GLuint const GLchar * name
GLdouble n
GLsizei const GLfloat * value
GLboolean GLboolean GLboolean GLboolean a
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)
int SDL_isspace(int x)
int SDL_isalnum(int x)
char * SDL_strlwr(char *str)
struct SDL_iconv_data_t * SDL_iconv_t
Definition: SDL_stdinc.h:656
int SDL_tolower(int x)
float SDL_modff(float x, float *y)
double SDL_modf(double x, double *y)
int SDL_abs(int x)
char * alloca()
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:147
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:178
void SDL_GetOriginalMemoryFunctions(SDL_malloc_func *malloc_func, SDL_calloc_func *calloc_func, SDL_realloc_func *realloc_func, SDL_free_func *free_func)
SDL_MALLOC SDL_ALLOC_SIZE2(1, 2) void *SDL_calloc(size_t nmemb
void *(* SDL_malloc_func)(size_t size)
Definition: SDL_stdinc.h:389
#define SDL_OUT_BYTECAP(x)
Definition: SDL_stdinc.h:307
char * SDL_strrchr(const char *str, int c)
#define SDL_SIZE_MAX
Definition: SDL_stdinc.h:66
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
uint16_t Uint16
Definition: SDL_stdinc.h:159
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)
int SDL_wcsncasecmp(const wchar_t *str1, const wchar_t *str2, size_t len)
char * SDL_itoa(int value, char *str, int radix)
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:737
int SDL_strncmp(const char *str1, const char *str2, size_t maxlen)
char * SDL_strchr(const char *str, int c)
SDL_MALLOC void * SDL_aligned_alloc(size_t alignment, size_t size)
#define SDL_IN_BYTECAP(x)
Definition: SDL_stdinc.h:303
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:141
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)
void * SDL_memset4(void *dst, Uint32 val, size_t dwords)
#define SDL_SCANF_FORMAT_STRING
Definition: SDL_stdinc.h:310
char * SDL_strstr(const char *haystack, const char *needle)
int SDL_GetNumAllocations(void)
double SDL_exp(double x)
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)
SDL_ALLOC_SIZE(2) void *SDL_realloc(void *mem
size_t SDL_wcslen(const wchar_t *wstr)
int32_t Sint32
Definition: SDL_stdinc.h:165
int SDL_setenv(const char *name, const char *value, int overwrite)
size_t SDL_strlcpy(SDL_OUT_Z_CAP(maxlen) char *dst, const char *src, size_t maxlen)
#define SDL_INOUT_Z_CAP(x)
Definition: SDL_stdinc.h:304
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:130
@ SDL_TRUE
Definition: SDL_stdinc.h:132
@ SDL_FALSE
Definition: SDL_stdinc.h:131
Uint32 SDL_crc32(Uint32 crc, const void *data, size_t len)
int SDL_islower(int x)
void SDL_aligned_free(void *mem)
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:392
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:153
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:767
double SDL_cos(double x)
#define SDL_PRINTF_FORMAT_STRING
Definition: SDL_stdinc.h:309
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)
SDL_MALLOC void * SDL_malloc(size_t size)
#define SDL_PRINTF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:316
#define SDL_COMPILE_TIME_ASSERT(name, x)
Definition: SDL_stdinc.h:333
float SDL_atan2f(float y, float x)
int SDL_isupper(int x)
float SDL_fabsf(float x)
uint64_t Uint64
Definition: SDL_stdinc.h:184
SDL_MALLOC char * SDL_strdup(const char *str)
int SDL_iscntrl(int x)
void SDL_free(void *mem)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
Definition: SDL_stdinc.h:390
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
Definition: SDL_stdinc.h:317
double SDL_atan2(double y, double x)
double SDL_log(double x)
void(* SDL_FunctionPointer)(void)
Definition: SDL_stdinc.h:794
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:726
uint32_t Uint32
Definition: SDL_stdinc.h:171
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:391
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:305
Uint64 SDL_strtoull(const char *str, char **endp, int base)
double SDL_trunc(double x)