412{
413 DUMMY_ENUM_VALUE
414} SDL_DUMMY_ENUM;
415
417#endif
418#endif
419
420
422
423#ifdef __cplusplus
424extern "C" {
425#endif
426
427#ifdef HAVE_ALLOCA
428#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
429#define SDL_stack_free(data)
430#else
431#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
432#define SDL_stack_free(data) SDL_free(data)
433#endif
434
435extern DECLSPEC
void *SDLCALL
SDL_malloc(
size_t size);
436extern DECLSPEC
void *SDLCALL
SDL_calloc(
size_t nmemb,
size_t size);
437extern DECLSPEC
void *SDLCALL
SDL_realloc(
void *mem,
size_t size);
438extern DECLSPEC
void SDLCALL
SDL_free(
void *mem);
439
444
445
446
447
448
449
454
455
456
457
458
459
464
465
466
467
468
469
474
475
476
477
478
479
481
482extern DECLSPEC
char *SDLCALL
SDL_getenv(
const char *name);
483extern DECLSPEC
int SDLCALL
SDL_setenv(
const char *name,
const char *value,
int overwrite);
484
485extern DECLSPEC
void SDLCALL
SDL_qsort(
void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
486extern DECLSPEC
void * SDLCALL
SDL_bsearch(
const void *key,
const void *base,
size_t nmemb,
size_t size,
int (SDLCALL *compare) (
const void *,
const void *));
487
488extern DECLSPEC
int SDLCALL
SDL_abs(
int x);
489
490
491#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
492#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
493#define SDL_clamp(x, a, b) (((x) < (a)) ? (a) : (((x) > (b)) ? (b) : (x)))
494
509
512
514
515#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
516#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
517#define SDL_zeroa(x) SDL_memset((x), 0, sizeof((x)))
518
519#define SDL_copyp(dst, src) \
520 { SDL_COMPILE_TIME_ASSERT(SDL_copyp, sizeof (*(dst)) == sizeof (*(src))); } \
521 SDL_memcpy((dst), (src), sizeof (*(src)))
522
523
524
526{
527#if defined(__GNUC__) && defined(__i386__)
528 int u0, u1, u2;
529 __asm__ __volatile__ (
530 "cld \n\t"
531 "rep ; stosl \n\t"
532 : "=&D" (u0), "=&a" (u1), "=&c" (u2)
534 : "memory"
535 );
536#else
537 size_t _n = (dwords + 3) / 4;
540 if (dwords == 0) {
541 return;
542 }
543 switch (dwords % 4) {
547 case 1: *_p++ = _val;
548 } while ( --_n );
549 }
550#endif
551}
552
554
556extern DECLSPEC
int SDLCALL
SDL_memcmp(
const void *s1,
const void *s2,
size_t len);
557
558extern DECLSPEC
size_t SDLCALL
SDL_wcslen(
const wchar_t *wstr);
561extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsdup(
const wchar_t *wstr);
562extern DECLSPEC
wchar_t *SDLCALL
SDL_wcsstr(
const wchar_t *haystack,
const wchar_t *needle);
563
564extern DECLSPEC
int SDLCALL
SDL_wcscmp(
const wchar_t *str1,
const wchar_t *str2);
565extern DECLSPEC
int SDLCALL
SDL_wcsncmp(
const wchar_t *str1,
const wchar_t *str2,
size_t maxlen);
566extern DECLSPEC
int SDLCALL
SDL_wcscasecmp(
const wchar_t *str1,
const wchar_t *str2);
567extern DECLSPEC
int SDLCALL
SDL_wcsncasecmp(
const wchar_t *str1,
const wchar_t *str2,
size_t len);
568
569extern DECLSPEC
size_t SDLCALL
SDL_strlen(
const char *str);
573extern DECLSPEC
char *SDLCALL
SDL_strdup(
const char *str);
574extern DECLSPEC
char *SDLCALL
SDL_strrev(
char *str);
575extern DECLSPEC
char *SDLCALL
SDL_strupr(
char *str);
576extern DECLSPEC
char *SDLCALL
SDL_strlwr(
char *str);
577extern DECLSPEC
char *SDLCALL
SDL_strchr(
const char *str,
int c);
578extern DECLSPEC
char *SDLCALL
SDL_strrchr(
const char *str,
int c);
579extern DECLSPEC
char *SDLCALL
SDL_strstr(
const char *haystack,
const char *needle);
580extern DECLSPEC
char *SDLCALL
SDL_strcasestr(
const char *haystack,
const char *needle);
581extern DECLSPEC
char *SDLCALL
SDL_strtokr(
char *s1,
const char *s2,
char **saveptr);
583extern DECLSPEC
size_t SDLCALL
SDL_utf8strnlen(
const char *str,
size_t bytes);
584
585extern DECLSPEC
char *SDLCALL
SDL_itoa(
int value,
char *str,
int radix);
586extern DECLSPEC
char *SDLCALL
SDL_uitoa(
unsigned int value,
char *str,
int radix);
587extern DECLSPEC
char *SDLCALL
SDL_ltoa(
long value,
char *str,
int radix);
588extern DECLSPEC
char *SDLCALL
SDL_ultoa(
unsigned long value,
char *str,
int radix);
589extern DECLSPEC
char *SDLCALL
SDL_lltoa(
Sint64 value,
char *str,
int radix);
590extern DECLSPEC
char *SDLCALL
SDL_ulltoa(
Uint64 value,
char *str,
int radix);
591
592extern DECLSPEC
int SDLCALL
SDL_atoi(
const char *str);
593extern DECLSPEC
double SDLCALL
SDL_atof(
const char *str);
594extern DECLSPEC
long SDLCALL
SDL_strtol(
const char *str,
char **endp,
int base);
595extern DECLSPEC
unsigned long SDLCALL
SDL_strtoul(
const char *str,
char **endp,
int base);
596extern DECLSPEC
Sint64 SDLCALL
SDL_strtoll(
const char *str,
char **endp,
int base);
598extern DECLSPEC
double SDLCALL
SDL_strtod(
const char *str,
char **endp);
599
600extern DECLSPEC
int SDLCALL
SDL_strcmp(
const char *str1,
const char *str2);
601extern DECLSPEC
int SDLCALL
SDL_strncmp(
const char *str1,
const char *str2,
size_t maxlen);
602extern DECLSPEC
int SDLCALL
SDL_strcasecmp(
const char *str1,
const char *str2);
603extern DECLSPEC
int SDLCALL
SDL_strncasecmp(
const char *str1,
const char *str2,
size_t len);
604
606extern DECLSPEC
int SDLCALL
SDL_vsscanf(const
char *text, const
char *fmt, va_list ap);
610extern DECLSPEC
int SDLCALL
SDL_vasprintf(
char **strp, const
char *fmt, va_list ap);
611
612#ifndef HAVE_M_PI
613#ifndef M_PI
614#define M_PI 3.14159265358979323846264338327950288
615#endif
616#endif
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632extern DECLSPEC
double SDLCALL
SDL_acos(
double x);
633extern DECLSPEC
float SDLCALL
SDL_acosf(
float x);
634extern DECLSPEC
double SDLCALL
SDL_asin(
double x);
635extern DECLSPEC
float SDLCALL
SDL_asinf(
float x);
636extern DECLSPEC
double SDLCALL
SDL_atan(
double x);
637extern DECLSPEC
float SDLCALL
SDL_atanf(
float x);
638extern DECLSPEC
double SDLCALL
SDL_atan2(
double y,
double x);
639extern DECLSPEC
float SDLCALL
SDL_atan2f(
float y,
float x);
640extern DECLSPEC
double SDLCALL
SDL_ceil(
double x);
641extern DECLSPEC
float SDLCALL
SDL_ceilf(
float x);
642extern DECLSPEC
double SDLCALL
SDL_copysign(
double x,
double y);
643extern DECLSPEC
float SDLCALL
SDL_copysignf(
float x,
float y);
644extern DECLSPEC
double SDLCALL
SDL_cos(
double x);
645extern DECLSPEC
float SDLCALL
SDL_cosf(
float x);
646extern DECLSPEC
double SDLCALL
SDL_exp(
double x);
647extern DECLSPEC
float SDLCALL
SDL_expf(
float x);
648extern DECLSPEC
double SDLCALL
SDL_fabs(
double x);
649extern DECLSPEC
float SDLCALL
SDL_fabsf(
float x);
650extern DECLSPEC
double SDLCALL
SDL_floor(
double x);
651extern DECLSPEC
float SDLCALL
SDL_floorf(
float x);
652extern DECLSPEC
double SDLCALL
SDL_trunc(
double x);
653extern DECLSPEC
float SDLCALL
SDL_truncf(
float x);
654extern DECLSPEC
double SDLCALL
SDL_fmod(
double x,
double y);
655extern DECLSPEC
float SDLCALL
SDL_fmodf(
float x,
float y);
656extern DECLSPEC
double SDLCALL
SDL_log(
double x);
657extern DECLSPEC
float SDLCALL
SDL_logf(
float x);
658extern DECLSPEC
double SDLCALL
SDL_log10(
double x);
659extern DECLSPEC
float SDLCALL
SDL_log10f(
float x);
660extern DECLSPEC
double SDLCALL
SDL_pow(
double x,
double y);
661extern DECLSPEC
float SDLCALL
SDL_powf(
float x,
float y);
662extern DECLSPEC
double SDLCALL
SDL_round(
double x);
663extern DECLSPEC
float SDLCALL
SDL_roundf(
float x);
664extern DECLSPEC
long SDLCALL
SDL_lround(
double x);
666extern DECLSPEC
double SDLCALL
SDL_scalbn(
double x,
int n);
667extern DECLSPEC
float SDLCALL
SDL_scalbnf(
float x,
int n);
668extern DECLSPEC
double SDLCALL
SDL_sin(
double x);
669extern DECLSPEC
float SDLCALL
SDL_sinf(
float x);
670extern DECLSPEC
double SDLCALL
SDL_sqrt(
double x);
671extern DECLSPEC
float SDLCALL
SDL_sqrtf(
float x);
672extern DECLSPEC
double SDLCALL
SDL_tan(
double x);
673extern DECLSPEC
float SDLCALL
SDL_tanf(
float x);
674
675
676#define SDL_ICONV_ERROR (size_t)-1
677#define SDL_ICONV_E2BIG (size_t)-2
678#define SDL_ICONV_EILSEQ (size_t)-3
679#define SDL_ICONV_EINVAL (size_t)-4
680
681
684 const char *fromcode);
687 size_t * inbytesleft, char **outbuf,
688 size_t * outbytesleft);
689
690
691
692
693
694
695
697 const char *fromcode,
698 const char *inbuf,
699 size_t inbytesleft);
700#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
701#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
702#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4-INTERNAL", "UTF-8", S, SDL_strlen(S)+1)
703#define SDL_iconv_wchar_utf8(S) SDL_iconv_string("UTF-8", "WCHAR_T", (char *)S, (SDL_wcslen(S)+1)*sizeof(wchar_t))
704
705
706
707#if defined(__clang_analyzer__) && !defined(SDL_DISABLE_ANALYZE_MACROS)
708
709
710#ifndef HAVE_STRLCPY
711size_t strlcpy(char* dst, const char* src, size_t size);
712#endif
713
714
715#ifndef HAVE_STRLCAT
716size_t strlcat(char* dst, const char* src, size_t size);
717#endif
718
719#ifndef HAVE_WCSLCPY
720size_t wcslcpy(wchar_t *dst, const wchar_t *src, size_t size);
721#endif
722
723#ifndef HAVE_WCSLCAT
724size_t wcslcat(wchar_t *dst, const wchar_t *src, size_t size);
725#endif
726
727
728
729#include <stdlib.h>
730#include <string.h>
731#include <stdio.h>
732
733#define SDL_malloc malloc
734#define SDL_calloc calloc
735#define SDL_realloc realloc
736#define SDL_free free
737#define SDL_memset memset
738#define SDL_memcpy memcpy
739#define SDL_memmove memmove
740#define SDL_memcmp memcmp
741#define SDL_strlcpy strlcpy
742#define SDL_strlcat strlcat
743#define SDL_strlen strlen
744#define SDL_wcslen wcslen
745#define SDL_wcslcpy wcslcpy
746#define SDL_wcslcat wcslcat
747#define SDL_strdup strdup
748#define SDL_wcsdup wcsdup
749#define SDL_strchr strchr
750#define SDL_strrchr strrchr
751#define SDL_strstr strstr
752#define SDL_wcsstr wcsstr
753#define SDL_strtokr strtok_r
754#define SDL_strcmp strcmp
755#define SDL_wcscmp wcscmp
756#define SDL_strncmp strncmp
757#define SDL_wcsncmp wcsncmp
758#define SDL_strcasecmp strcasecmp
759#define SDL_strncasecmp strncasecmp
760#define SDL_sscanf sscanf
761#define SDL_vsscanf vsscanf
762#define SDL_snprintf snprintf
763#define SDL_vsnprintf vsnprintf
764#endif
765
767{
769}
770
771
772
773
774
775
776
778 size_t b,
779 size_t *ret)
780{
782 return -1;
783 }
784 *ret = a * b;
785 return 0;
786}
787
788#if _SDL_HAS_BUILTIN(__builtin_mul_overflow)
789
790
791
793 size_t b,
794 size_t *ret)
795{
796 return __builtin_mul_overflow(a, b, ret) == 0 ? 0 : -1;
797}
798#define SDL_size_mul_overflow(a, b, ret) (_SDL_size_mul_overflow_builtin(a, b, ret))
799#endif
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_add_overflow)
819
820
822 size_t b,
823 size_t *ret)
824{
825 return __builtin_add_overflow(a, b, ret) == 0 ? 0 : -1;
826}
827#define SDL_size_add_overflow(a, b, ret) (_SDL_size_add_overflow_builtin(a, b, ret))
828#endif
829
830
831#ifdef __cplusplus
832}
833#endif
835
836#endif
837
838
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 *))
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap)
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)
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)
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)
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)
#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)
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)
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)