418{
419 DUMMY_ENUM_VALUE
420} SDL_DUMMY_ENUM;
421
423#endif
424#endif
425
426
428
429#ifdef __cplusplus
430extern "C" {
431#endif
432
433#ifdef HAVE_ALLOCA
434#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
435#define SDL_stack_free(data)
436#else
437#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
438#define SDL_stack_free(data) SDL_free(data)
439#endif
440
441extern DECLSPEC
void *SDLCALL
SDL_malloc(
size_t size);
442extern DECLSPEC
void *SDLCALL
SDL_calloc(
size_t nmemb,
size_t size);
443extern DECLSPEC
void *SDLCALL
SDL_realloc(
void *mem,
size_t size);
444extern DECLSPEC
void SDLCALL
SDL_free(
void *mem);
445
450
451
452
453
454
455
460
461
462
463
464
465
470
471
472
473
474
475
480
481
482
483
484
485
487
488extern DECLSPEC
char *SDLCALL
SDL_getenv(
const char *name);
489extern DECLSPEC
int SDLCALL
SDL_setenv(
const char *name,
const char *value,
int overwrite);
490
491extern DECLSPEC
void SDLCALL
SDL_qsort(
void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
492extern DECLSPEC
void * SDLCALL
SDL_bsearch(
const void *key,
const void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
493
494extern DECLSPEC
int SDLCALL
SDL_abs(
int x);
495
496
497#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
498#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
499#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
500
515
518
520
521#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
522#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
523#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
524
525#define SDL_copyp(dst, src) \
526 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
527 SDL_memcpy((dst), (src), sizeof (*(src)))
528
529
530
532{
533#if defined(__GNUC__) && defined(__i386__)
534 int u0, u1, u2;
535 __asm__ __volatile__ (
536 "cld \n\t"
537 "rep ; stosl \n\t"
538 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
540 : "memory"
541 );
542#else
543 size_t _n = (dwords + 3) / 4;
546 if (dwords == 0) {
547 return;
548 }
549 switch (dwords % 4) {
553 case 1: *_p++ = _val;
554 } while ( --_n );
555 }
556#endif
557}
558
560
562extern DECLSPEC
int SDLCALL
SDL_memcmp(
const void *s1,
const void *s2,
size_t len);
563
564extern DECLSPEC
size_t SDLCALL
SDL_wcslen(
const wchar_t *wstr);
567extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsdup(
const wchar_t *wstr);
568extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsstr(
const wchar_t *haystack,
const wchar_t *needle);
569
570extern DECLSPEC
int SDLCALL
SDL_wcscmp(
const wchar_t *str1,
const wchar_t *str2);
571extern DECLSPEC
int SDLCALL
SDL_wcsncmp(
const wchar_t *str1,
const wchar_t *str2,
size_t maxlen);
572extern DECLSPEC
int SDLCALL
SDL_wcscasecmp(
const wchar_t *str1,
const wchar_t *str2);
573extern DECLSPEC
int SDLCALL
SDL_wcsncasecmp(
const wchar_t *str1,
const wchar_t *str2,
size_t len);
574
575extern DECLSPEC
size_t SDLCALL
SDL_strlen(
const char *str);
579extern DECLSPEC
char *SDLCALL
SDL_strdup(
const char *str);
580extern DECLSPEC
char *SDLCALL
SDL_strrev(
char *str);
581extern DECLSPEC
char *SDLCALL
SDL_strupr(
char *str);
582extern DECLSPEC
char *SDLCALL
SDL_strlwr(
char *str);
583extern DECLSPEC
char *SDLCALL
SDL_strchr(
const char *str,
int c);
584extern DECLSPEC
char *SDLCALL
SDL_strrchr(
const char *str,
int c);
585extern DECLSPEC
char *SDLCALL
SDL_strstr(
const char *haystack,
const char *needle);
586extern DECLSPEC
char *SDLCALL
SDL_strcasestr(
const char *haystack,
const char *needle);
587extern DECLSPEC
char *SDLCALL
SDL_strtokr(
char *s1,
const char *s2,
char **saveptr);
589extern DECLSPEC
size_t SDLCALL
SDL_utf8strnlen(
const char *str,
size_t bytes);
590
591extern DECLSPEC
char *SDLCALL
SDL_itoa(
int value,
char *str,
int radix);
592extern DECLSPEC
char *SDLCALL
SDL_uitoa(
unsigned int value,
char *str,
int radix);
593extern DECLSPEC
char *SDLCALL
SDL_ltoa(
long value,
char *str,
int radix);
594extern DECLSPEC
char *SDLCALL
SDL_ultoa(
unsigned long value,
char *str,
int radix);
595extern DECLSPEC
char *SDLCALL
SDL_lltoa(
Sint64 value,
char *str,
int radix);
596extern DECLSPEC
char *SDLCALL
SDL_ulltoa(
Uint64 value,
char *str,
int radix);
597
598extern DECLSPEC
int SDLCALL
SDL_atoi(
const char *str);
599extern DECLSPEC
double SDLCALL
SDL_atof(
const char *str);
600extern DECLSPEC
long SDLCALL
SDL_strtol(
const char *str,
char **endp,
int base);
601extern DECLSPEC
unsigned long SDLCALL
SDL_strtoul(
const char *str,
char **endp,
int base);
602extern DECLSPEC
Sint64 SDLCALL
SDL_strtoll(
const char *str,
char **endp,
int base);
604extern DECLSPEC
double SDLCALL
SDL_strtod(
const char *str,
char **endp);
605
606extern DECLSPEC
int SDLCALL
SDL_strcmp(
const char *str1,
const char *str2);
607extern DECLSPEC
int SDLCALL
SDL_strncmp(
const char *str1,
const char *str2,
size_t maxlen);
608extern DECLSPEC
int SDLCALL
SDL_strcasecmp(
const char *str1,
const char *str2);
609extern DECLSPEC
int SDLCALL
SDL_strncasecmp(
const char *str1,
const char *str2,
size_t len);
610
617
618#ifndef HAVE_M_PI
619#ifndef M_PI
620#define M_PI 3.14159265358979323846264338327950288
621#endif
622#endif
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638extern DECLSPEC
double SDLCALL
SDL_acos(
double x);
639extern DECLSPEC
float SDLCALL
SDL_acosf(
float x);
640extern DECLSPEC
double SDLCALL
SDL_asin(
double x);
641extern DECLSPEC
float SDLCALL
SDL_asinf(
float x);
642extern DECLSPEC
double SDLCALL
SDL_atan(
double x);
643extern DECLSPEC
float SDLCALL
SDL_atanf(
float x);
644extern DECLSPEC
double SDLCALL
SDL_atan2(
double y,
double x);
645extern DECLSPEC
float SDLCALL
SDL_atan2f(
float y,
float x);
646extern DECLSPEC
double SDLCALL
SDL_ceil(
double x);
647extern DECLSPEC
float SDLCALL
SDL_ceilf(
float x);
648extern DECLSPEC
double SDLCALL
SDL_copysign(
double x,
double y);
649extern DECLSPEC
float SDLCALL
SDL_copysignf(
float x,
float y);
650extern DECLSPEC
double SDLCALL
SDL_cos(
double x);
651extern DECLSPEC
float SDLCALL
SDL_cosf(
float x);
652extern DECLSPEC
double SDLCALL
SDL_exp(
double x);
653extern DECLSPEC
float SDLCALL
SDL_expf(
float x);
654extern DECLSPEC
double SDLCALL
SDL_fabs(
double x);
655extern DECLSPEC
float SDLCALL
SDL_fabsf(
float x);
656extern DECLSPEC
double SDLCALL
SDL_floor(
double x);
657extern DECLSPEC
float SDLCALL
SDL_floorf(
float x);
658extern DECLSPEC
double SDLCALL
SDL_trunc(
double x);
659extern DECLSPEC
float SDLCALL
SDL_truncf(
float x);
660extern DECLSPEC
double SDLCALL
SDL_fmod(
double x,
double y);
661extern DECLSPEC
float SDLCALL
SDL_fmodf(
float x,
float y);
662extern DECLSPEC
double SDLCALL
SDL_log(
double x);
663extern DECLSPEC
float SDLCALL
SDL_logf(
float x);
664extern DECLSPEC
double SDLCALL
SDL_log10(
double x);
665extern DECLSPEC
float SDLCALL
SDL_log10f(
float x);
666extern DECLSPEC
double SDLCALL
SDL_pow(
double x,
double y);
667extern DECLSPEC
float SDLCALL
SDL_powf(
float x,
float y);
668extern DECLSPEC
double SDLCALL
SDL_round(
double x);
669extern DECLSPEC
float SDLCALL
SDL_roundf(
float x);
670extern DECLSPEC
long SDLCALL
SDL_lround(
double x);
672extern DECLSPEC
double SDLCALL
SDL_scalbn(
double x,
int n);
673extern DECLSPEC
float SDLCALL
SDL_scalbnf(
float x,
int n);
674extern DECLSPEC
double SDLCALL
SDL_sin(
double x);
675extern DECLSPEC
float SDLCALL
SDL_sinf(
float x);
676extern DECLSPEC
double SDLCALL
SDL_sqrt(
double x);
677extern DECLSPEC
float SDLCALL
SDL_sqrtf(
float x);
678extern DECLSPEC
double SDLCALL
SDL_tan(
double x);
679extern DECLSPEC
float SDLCALL
SDL_tanf(
float x);
680
681
682#define SDL_ICONV_ERROR (size_t)-1
683#define SDL_ICONV_E2BIG (size_t)-2
684#define SDL_ICONV_EILSEQ (size_t)-3
685#define SDL_ICONV_EINVAL (size_t)-4
686
687
690 const char *fromcode);
693 size_t * inbytesleft, char **outbuf,
694 size_t * outbytesleft);
695
696
697
698
699
700
701
703 const char *fromcode,
704 const char *inbuf,
705 size_t inbytesleft);
706#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
707#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
708#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
709#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
710
711
712
713#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
714
715
716#ifndef HAVE_STRLCPY
717size_t strlcpy(char* dst, const char* src, size_t size);
718#endif
719
720
721#ifndef HAVE_STRLCAT
722size_t strlcat(char* dst, const char* src, size_t size);
723#endif
724
725#ifndef HAVE_WCSLCPY
726size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
727#endif
728
729#ifndef HAVE_WCSLCAT
730size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
731#endif
732
733
734
735#include <stdlib.h>
736#include <string.h>
737#include <stdio.h>
738
739#define SDL_malloc malloc
740#define SDL_calloc calloc
741#define SDL_realloc realloc
742#define SDL_free free
743#define SDL_memset memset
744#define SDL_memcpy memcpy
745#define SDL_memmove memmove
746#define SDL_memcmp memcmp
747#define SDL_strlcpy strlcpy
748#define SDL_strlcat strlcat
749#define SDL_strlen strlen
750#define SDL_wcslen wcslen
751#define SDL_wcslcpy wcslcpy
752#define SDL_wcslcat wcslcat
753#define SDL_strdup strdup
754#define SDL_wcsdup wcsdup
755#define SDL_strchr strchr
756#define SDL_strrchr strrchr
757#define SDL_strstr strstr
758#define SDL_wcsstr wcsstr
759#define SDL_strtokr strtok_r
760#define SDL_strcmp strcmp
761#define SDL_wcscmp wcscmp
762#define SDL_strncmp strncmp
763#define SDL_wcsncmp wcsncmp
764#define SDL_strcasecmp strcasecmp
765#define SDL_strncasecmp strncasecmp
766#define SDL_sscanf sscanf
767#define SDL_vsscanf vsscanf
768#define SDL_snprintf snprintf
769#define SDL_vsnprintf vsnprintf
770#endif
771
773{
775}
776
777
778
779
780
781
782
784 size_t b,
785 size_t *ret)
786{
788 return -1;
789 }
790 *ret = a * b;
791 return 0;
792}
793
794#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
795
796
797
799 size_t b,
800 size_t *ret)
801{
802 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
803}
804#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
805#endif
806
807
808
809
810
811
812
814 size_t b,
815 size_t *ret)
816{
818 return -1;
819 }
820 *ret = a + b;
821 return 0;
822}
823
824#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
825
826
828 size_t b,
829 size_t *ret)
830{
831 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
832}
833#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
834#endif
835
836
837#ifdef __cplusplus
838}
839#endif
841
842#endif
843
844
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)