421{
422 DUMMY_ENUM_VALUE
423} SDL_DUMMY_ENUM;
424
426#endif
427#endif
428
429
431
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
453
454
455
456
457
458
463
464
465
466
467
468
473
474
475
476
477
478
483
484
485
486
487
488
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
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
518
521
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
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)
543 : "memory"
544 );
545#else
546 size_t _n = (dwords + 3) / 4;
549 if (dwords == 0) {
550 return;
551 }
552 switch (dwords % 4) {
556 case 1: *_p++ = _val;
557 } while ( --_n );
558 }
559#endif
560}
561
563
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);
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);
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);
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);
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
620
621#ifndef HAVE_M_PI
622#ifndef M_PI
623#define M_PI 3.14159265358979323846264338327950288
624#endif
625#endif
626
627
628
629
630
631
632
633
634
635
636
637
638
639
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);
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
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
693 const char *fromcode);
696 size_t * inbytesleft, char **outbuf,
697 size_t * outbytesleft);
698
699
700
701
702
703
704
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
715
716#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
717
718
719#ifndef HAVE_STRLCPY
720size_t strlcpy(char* dst, const char* src, size_t size);
721#endif
722
723
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
737
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
776{
778}
779
780
781
782
783
784
785
787 size_t b,
788 size_t *ret)
789{
791 return -1;
792 }
793 *ret = a * b;
794 return 0;
795}
796
797#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
798
799
800
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
812
813
814
815
817 size_t b,
818 size_t *ret)
819{
821 return -1;
822 }
823 *ret = a + b;
824 return 0;
825}
826
827#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
828
829
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
840#ifdef __cplusplus
841}
842#endif
844
845#endif
846
847
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)
SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
char * SDL_strlwr(char *str)
void * SDL_realloc(void *mem, size_t size)
size_t SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft)
char * SDL_ltoa(long value, char *str, int radix)
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)
#define SDL_OUT_BYTECAP(x)
char * SDL_strrchr(const char *str, int c)
int SDL_wcsncmp(const wchar_t *str1, const wchar_t *str2, size_t maxlen)
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 *))
#define SDL_PRINTF_VARARG_FUNCV(fmtargnumber)
struct _SDL_iconv_t * SDL_iconv_t
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)
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)
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)
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)
double SDL_round(double x)
long SDL_lround(double x)
int SDL_iconv_close(SDL_iconv_t cd)
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)
double SDL_asin(double x)
double SDL_acos(double x)
wchar_t * SDL_wcsstr(const wchar_t *haystack, const wchar_t *needle)
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)
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
char * SDL_strstr(const char *haystack, const char *needle)
int SDL_GetNumAllocations(void)
#define SDL_static_cast(type, expression)
size_t SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen)
double SDL_atan(double x)
size_t SDL_wcslen(const wchar_t *wstr)
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)
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)
float SDL_truncf(float x)
double SDL_log10(double 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)
Uint32 SDL_crc32(Uint32 crc, const void *data, size_t len)
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)
int SDL_memcmp(const void *s1, const void *s2, size_t len)
char * SDL_ulltoa(Uint64 value, char *str, int radix)
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)
#define SDL_PRINTF_FORMAT_STRING
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)
#define SDL_COMPILE_TIME_ASSERT(name, x)
float SDL_atan2f(float y, float x)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
double SDL_atan2(double y, double 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)
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)
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)
char * SDL_strtokr(char *s1, const char *s2, char **saveptr)
size_t SDL_utf8strlen(const char *str)
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)
Uint64 SDL_strtoull(const char *str, char **endp, int base)
double SDL_trunc(double x)