434{
435 DUMMY_ENUM_VALUE
436} SDL_DUMMY_ENUM;
437
439#endif
440#endif
441
442
444
445#ifdef __cplusplus
446extern "C" {
447#endif
448
449#ifdef HAVE_ALLOCA
450#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
451#define SDL_stack_free(data)
452#else
453#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
454#define SDL_stack_free(data) SDL_free(data)
455#endif
456
457extern DECLSPEC
void *SDLCALL
SDL_malloc(
size_t size);
458extern DECLSPEC
void *SDLCALL
SDL_calloc(
size_t nmemb,
size_t size);
459extern DECLSPEC
void *SDLCALL
SDL_realloc(
void *mem,
size_t size);
460extern DECLSPEC
void SDLCALL
SDL_free(
void *mem);
461
466
467
468
469
470
471
476
477
478
479
480
481
486
487
488
489
490
491
496
497
498
499
500
501
503
504extern DECLSPEC
char *SDLCALL
SDL_getenv(
const char *name);
505extern DECLSPEC
int SDLCALL
SDL_setenv(
const char *name,
const char *value,
int overwrite);
506
510
511extern DECLSPEC
int SDLCALL
SDL_abs(
int x);
512
513
514#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
515#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
516#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
517
532
535
537
538
539#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
540#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
541#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
542
543#define SDL_copyp(dst, src) \
544 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
545 SDL_memcpy((dst), (src), sizeof (*(src)))
546
547
548
550{
551#if defined(__GNUC__) && defined(__i386__)
552 int u0, u1, u2;
553 __asm__ __volatile__ (
554 "cld \n\t"
555 "rep ; stosl \n\t"
556 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
558 : "memory"
559 );
560#else
561 size_t _n = (dwords + 3) / 4;
564 if (dwords == 0) {
565 return;
566 }
567 switch (dwords % 4) {
571 case 1: *_p++ = _val;
572 } while ( --_n );
573 }
574#endif
575}
576
578
580extern DECLSPEC
int SDLCALL
SDL_memcmp(
const void *s1,
const void *s2,
size_t len);
581
582extern DECLSPEC
size_t SDLCALL
SDL_wcslen(
const wchar_t *wstr);
585extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsdup(
const wchar_t *wstr);
586extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsstr(
const wchar_t *haystack,
const wchar_t *needle);
587
588extern DECLSPEC
int SDLCALL
SDL_wcscmp(
const wchar_t *str1,
const wchar_t *str2);
589extern DECLSPEC
int SDLCALL
SDL_wcsncmp(
const wchar_t *str1,
const wchar_t *str2,
size_t maxlen);
590extern DECLSPEC
int SDLCALL
SDL_wcscasecmp(
const wchar_t *str1,
const wchar_t *str2);
591extern DECLSPEC
int SDLCALL
SDL_wcsncasecmp(
const wchar_t *str1,
const wchar_t *str2,
size_t len);
592
593extern DECLSPEC
size_t SDLCALL
SDL_strlen(
const char *str);
597extern DECLSPEC
char *SDLCALL
SDL_strdup(
const char *str);
598extern DECLSPEC
char *SDLCALL
SDL_strrev(
char *str);
599extern DECLSPEC
char *SDLCALL
SDL_strupr(
char *str);
600extern DECLSPEC
char *SDLCALL
SDL_strlwr(
char *str);
601extern DECLSPEC
char *SDLCALL
SDL_strchr(
const char *str,
int c);
602extern DECLSPEC
char *SDLCALL
SDL_strrchr(
const char *str,
int c);
603extern DECLSPEC
char *SDLCALL
SDL_strstr(
const char *haystack,
const char *needle);
604extern DECLSPEC
char *SDLCALL
SDL_strcasestr(
const char *haystack,
const char *needle);
605extern DECLSPEC
char *SDLCALL
SDL_strtokr(
char *s1,
const char *s2,
char **saveptr);
607extern DECLSPEC
size_t SDLCALL
SDL_utf8strnlen(
const char *str,
size_t bytes);
608
609extern DECLSPEC
char *SDLCALL
SDL_itoa(
int value,
char *str,
int radix);
610extern DECLSPEC
char *SDLCALL
SDL_uitoa(
unsigned int value,
char *str,
int radix);
611extern DECLSPEC
char *SDLCALL
SDL_ltoa(
long value,
char *str,
int radix);
612extern DECLSPEC
char *SDLCALL
SDL_ultoa(
unsigned long value,
char *str,
int radix);
613extern DECLSPEC
char *SDLCALL
SDL_lltoa(
Sint64 value,
char *str,
int radix);
614extern DECLSPEC
char *SDLCALL
SDL_ulltoa(
Uint64 value,
char *str,
int radix);
615
616extern DECLSPEC
int SDLCALL
SDL_atoi(
const char *str);
617extern DECLSPEC
double SDLCALL
SDL_atof(
const char *str);
618extern DECLSPEC
long SDLCALL
SDL_strtol(
const char *str,
char **endp,
int base);
619extern DECLSPEC
unsigned long SDLCALL
SDL_strtoul(
const char *str,
char **endp,
int base);
620extern DECLSPEC
Sint64 SDLCALL
SDL_strtoll(
const char *str,
char **endp,
int base);
622extern DECLSPEC
double SDLCALL
SDL_strtod(
const char *str,
char **endp);
623
624extern DECLSPEC
int SDLCALL
SDL_strcmp(
const char *str1,
const char *str2);
625extern DECLSPEC
int SDLCALL
SDL_strncmp(
const char *str1,
const char *str2,
size_t maxlen);
626extern DECLSPEC
int SDLCALL
SDL_strcasecmp(
const char *str1,
const char *str2);
627extern DECLSPEC
int SDLCALL
SDL_strncasecmp(
const char *str1,
const char *str2,
size_t len);
628
635
636#ifndef HAVE_M_PI
637#ifndef M_PI
638#define M_PI 3.14159265358979323846264338327950288
639#endif
640#endif
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656extern DECLSPEC
double SDLCALL
SDL_acos(
double x);
657extern DECLSPEC
float SDLCALL
SDL_acosf(
float x);
658extern DECLSPEC
double SDLCALL
SDL_asin(
double x);
659extern DECLSPEC
float SDLCALL
SDL_asinf(
float x);
660extern DECLSPEC
double SDLCALL
SDL_atan(
double x);
661extern DECLSPEC
float SDLCALL
SDL_atanf(
float x);
662extern DECLSPEC
double SDLCALL
SDL_atan2(
double y,
double x);
663extern DECLSPEC
float SDLCALL
SDL_atan2f(
float y,
float x);
664extern DECLSPEC
double SDLCALL
SDL_ceil(
double x);
665extern DECLSPEC
float SDLCALL
SDL_ceilf(
float x);
666extern DECLSPEC
double SDLCALL
SDL_copysign(
double x,
double y);
667extern DECLSPEC
float SDLCALL
SDL_copysignf(
float x,
float y);
668extern DECLSPEC
double SDLCALL
SDL_cos(
double x);
669extern DECLSPEC
float SDLCALL
SDL_cosf(
float x);
670extern DECLSPEC
double SDLCALL
SDL_exp(
double x);
671extern DECLSPEC
float SDLCALL
SDL_expf(
float x);
672extern DECLSPEC
double SDLCALL
SDL_fabs(
double x);
673extern DECLSPEC
float SDLCALL
SDL_fabsf(
float x);
674extern DECLSPEC
double SDLCALL
SDL_floor(
double x);
675extern DECLSPEC
float SDLCALL
SDL_floorf(
float x);
676extern DECLSPEC
double SDLCALL
SDL_trunc(
double x);
677extern DECLSPEC
float SDLCALL
SDL_truncf(
float x);
678extern DECLSPEC
double SDLCALL
SDL_fmod(
double x,
double y);
679extern DECLSPEC
float SDLCALL
SDL_fmodf(
float x,
float y);
680extern DECLSPEC
double SDLCALL
SDL_log(
double x);
681extern DECLSPEC
float SDLCALL
SDL_logf(
float x);
682extern DECLSPEC
double SDLCALL
SDL_log10(
double x);
683extern DECLSPEC
float SDLCALL
SDL_log10f(
float x);
684extern DECLSPEC
double SDLCALL
SDL_pow(
double x,
double y);
685extern DECLSPEC
float SDLCALL
SDL_powf(
float x,
float y);
686extern DECLSPEC
double SDLCALL
SDL_round(
double x);
687extern DECLSPEC
float SDLCALL
SDL_roundf(
float x);
688extern DECLSPEC
long SDLCALL
SDL_lround(
double x);
690extern DECLSPEC
double SDLCALL
SDL_scalbn(
double x,
int n);
691extern DECLSPEC
float SDLCALL
SDL_scalbnf(
float x,
int n);
692extern DECLSPEC
double SDLCALL
SDL_sin(
double x);
693extern DECLSPEC
float SDLCALL
SDL_sinf(
float x);
694extern DECLSPEC
double SDLCALL
SDL_sqrt(
double x);
695extern DECLSPEC
float SDLCALL
SDL_sqrtf(
float x);
696extern DECLSPEC
double SDLCALL
SDL_tan(
double x);
697extern DECLSPEC
float SDLCALL
SDL_tanf(
float x);
698
699
700#define SDL_ICONV_ERROR (size_t)-1
701#define SDL_ICONV_E2BIG (size_t)-2
702#define SDL_ICONV_EILSEQ (size_t)-3
703#define SDL_ICONV_EINVAL (size_t)-4
704
705
708 const char *fromcode);
711 size_t * inbytesleft, char **outbuf,
712 size_t * outbytesleft);
713
714
715
716
717
718
719
721 const char *fromcode,
722 const char *inbuf,
723 size_t inbytesleft);
724
725
726#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
727#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
728#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
729#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
730
731
732
733#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
734
735
736#ifndef HAVE_STRLCPY
737size_t strlcpy(char* dst, const char* src, size_t size);
738#endif
739
740
741#ifndef HAVE_STRLCAT
742size_t strlcat(char* dst, const char* src, size_t size);
743#endif
744
745#ifndef HAVE_WCSLCPY
746size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
747#endif
748
749#ifndef HAVE_WCSLCAT
750size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
751#endif
752
753
754char *strdup(const char *str);
755
756
757
758#include <stdlib.h>
759#include <string.h>
760#include <stdio.h>
761
762#define SDL_malloc malloc
763#define SDL_calloc calloc
764#define SDL_realloc realloc
765#define SDL_free free
766#define SDL_memset memset
767#define SDL_memcpy memcpy
768#define SDL_memmove memmove
769#define SDL_memcmp memcmp
770#define SDL_strlcpy strlcpy
771#define SDL_strlcat strlcat
772#define SDL_strlen strlen
773#define SDL_wcslen wcslen
774#define SDL_wcslcpy wcslcpy
775#define SDL_wcslcat wcslcat
776#define SDL_strdup strdup
777#define SDL_wcsdup wcsdup
778#define SDL_strchr strchr
779#define SDL_strrchr strrchr
780#define SDL_strstr strstr
781#define SDL_wcsstr wcsstr
782#define SDL_strtokr strtok_r
783#define SDL_strcmp strcmp
784#define SDL_wcscmp wcscmp
785#define SDL_strncmp strncmp
786#define SDL_wcsncmp wcsncmp
787#define SDL_strcasecmp strcasecmp
788#define SDL_strncasecmp strncasecmp
789#define SDL_sscanf sscanf
790#define SDL_vsscanf vsscanf
791#define SDL_snprintf snprintf
792#define SDL_vsnprintf vsnprintf
793#endif
794
796{
798}
799
800
801
802
803
804
805
806
808 size_t b,
809 size_t *ret)
810{
812 return -1;
813 }
814 *ret = a * b;
815 return 0;
816}
817
818#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
819
820
821
823 size_t b,
824 size_t *ret)
825{
826 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
827}
828#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
829#endif
830
831
832
833
834
835
836
837
839 size_t b,
840 size_t *ret)
841{
843 return -1;
844 }
845 *ret = a + b;
846 return 0;
847}
848
849#if _SDL_HAS_BUILTIN(__builtin_add_overflow)
850
851
853 size_t b,
854 size_t *ret)
855{
856 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
857}
858#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
859#endif
860
861
862#ifdef __cplusplus
863}
864#endif
866
867#endif
868
869
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_qsort(void *base, size_t nmemb, size_t size, SDL_CompareCallback compare)
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)
#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_bsearch(const void *key, const void *base, size_t nmemb, size_t size, SDL_CompareCallback compare)
void *(* SDL_calloc_func)(size_t nmemb, size_t size)
#define SDL_SCANF_VARARG_FUNC(fmtargnumber)
double SDL_atan2(double y, double x)
int(* SDL_CompareCallback)(const void *, const void *)
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)
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)