Mercurial > sdl-ios-xcode
view include/SDL_stdinc.h @ 2380:7fbcfc1574dc gsoc2008_iphone
Demo of iPhone accelerometer as SDL joystick
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Fri, 18 Jul 2008 20:50:59 +0000 |
parents | 7ae1c419b626 |
children | e27bdcc80744 ce3ddf8dd6d2 f667489e7309 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ /** * \file SDL_stdinc.h * * This is a general header that includes C language support */ #ifndef _SDL_stdinc_h #define _SDL_stdinc_h #include "SDL_config.h" #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_STDIO_H #include <stdio.h> #endif #if defined(STDC_HEADERS) # include <stdlib.h> # include <stddef.h> # include <stdarg.h> #else # if defined(HAVE_STDLIB_H) # include <stdlib.h> # elif defined(HAVE_MALLOC_H) # include <malloc.h> # endif # if defined(HAVE_STDDEF_H) # include <stddef.h> # endif # if defined(HAVE_STDARG_H) # include <stdarg.h> # endif #endif #ifdef HAVE_STRING_H # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) # include <memory.h> # endif # include <string.h> #endif #ifdef HAVE_STRINGS_H # include <strings.h> #endif #if defined(HAVE_INTTYPES_H) # include <inttypes.h> #elif defined(HAVE_STDINT_H) # include <stdint.h> #endif #ifdef HAVE_CTYPE_H # include <ctype.h> #endif #ifdef HAVE_ICONV_H # include <iconv.h> #endif /* The number of elements in an array */ #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) #define SDL_TABLESIZE(table) SDL_arraysize(table) /* Basic data types */ typedef enum SDL_bool { SDL_FALSE = 0, SDL_TRUE = 1 } SDL_bool; /** * \typedef Sint8 * \brief A signed 8-bit integer type. */ typedef int8_t Sint8; /** * \typedef Uint8 * \brief An unsigned 8-bit integer type. */ typedef uint8_t Uint8; /** * \typedef Sint16 * \brief A signed 16-bit integer type. */ typedef int16_t Sint16; /** * \typedef Uint16 * \brief An unsigned 16-bit integer type. */ typedef uint16_t Uint16; /** * \typedef Sint32 * \brief A signed 32-bit integer type. */ typedef int32_t Sint32; /** * \typedef Uint32 * \brief An unsigned 32-bit integer type. */ typedef uint32_t Uint32; #ifdef SDL_HAS_64BIT_TYPE /** * \typedef Sint64 * \brief A signed 64-bit integer type. * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32! */ typedef int64_t Sint64; /** * \typedef Uint64 * \brief An unsigned 64-bit integer type. * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32! */ typedef uint64_t Uint64; #else /* This is really just a hack to prevent the compiler from complaining */ typedef Sint32 Sint64; typedef Uint32 Uint64; #endif /* Make sure the types really have the right sizes */ #define SDL_COMPILE_TIME_ASSERT(name, x) \ typedef int SDL_dummy_ ## name[(x) * 2 - 1] #ifndef DOXYGEN_SHOULD_IGNORE_THIS SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ /* Check to make sure enums are the size of ints, for structure packing. For both Watcom C/C++ and Borland C/C++ the compiler option that makes enums having the size of an int must be enabled. This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). */ /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ #ifdef __MWERKS__ #pragma enumsalwaysint on #endif #ifndef DOXYGEN_SHOULD_IGNORE_THIS typedef enum { DUMMY_ENUM_VALUE } SDL_DUMMY_ENUM; SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); #endif /* DOXYGEN_SHOULD_IGNORE_THIS */ #include "begin_code.h" /* Set up for C function definitions, even when using C++ */ #ifdef __cplusplus /* *INDENT-OFF* */ extern "C" { /* *INDENT-ON* */ #endif #ifdef HAVE_MALLOC #define SDL_malloc malloc #else extern DECLSPEC void *SDLCALL SDL_malloc(size_t size); #endif #ifdef HAVE_CALLOC #define SDL_calloc calloc #else extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size); #endif #ifdef HAVE_REALLOC #define SDL_realloc realloc #else extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size); #endif #ifdef HAVE_FREE #define SDL_free free #else extern DECLSPEC void SDLCALL SDL_free(void *mem); #endif #if defined(HAVE_ALLOCA) && !defined(alloca) # if defined(HAVE_ALLOCA_H) # include <alloca.h> # elif defined(__GNUC__) # define alloca __builtin_alloca # elif defined(_MSC_VER) # include <malloc.h> # define alloca _alloca # elif defined(__WATCOMC__) # include <malloc.h> # elif defined(__BORLANDC__) # include <malloc.h> # elif defined(__DMC__) # include <stdlib.h> # elif defined(__AIX__) #pragma alloca # elif defined(__MRC__) void *alloca(unsigned); # else char *alloca(); # endif #endif #ifdef HAVE_ALLOCA #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) #define SDL_stack_free(data) #else #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) #define SDL_stack_free(data) SDL_free(data) #endif #ifdef HAVE_GETENV #define SDL_getenv getenv #else extern DECLSPEC char *SDLCALL SDL_getenv(const char *name); #endif #ifdef HAVE_PUTENV #define SDL_putenv putenv #else extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); #endif #ifdef HAVE_QSORT #define SDL_qsort qsort #else extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, int (*compare) (const void *, const void *)); #endif #ifdef HAVE_ABS #define SDL_abs abs #else #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) #endif #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) #ifdef HAVE_CTYPE_H #define SDL_isdigit(X) isdigit(X) #define SDL_isspace(X) isspace(X) #define SDL_toupper(X) toupper(X) #define SDL_tolower(X) tolower(X) #else #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) #endif #ifdef HAVE_MEMSET #define SDL_memset memset #else extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len); #endif #define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) #define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) #if defined(__GNUC__) && defined(i386) #define SDL_memset4(dst, val, len) \ do { \ int u0, u1, u2; \ __asm__ __volatile__ ( \ "cld\n\t" \ "rep ; stosl\n\t" \ : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ : "0" (dst), "1" (val), "2" ((Uint32)(len)) \ : "memory" ); \ } while(0) #endif #ifndef SDL_memset4 #define SDL_memset4(dst, val, len) \ do { \ unsigned _count = (len); \ unsigned _n = (_count + 3) / 4; \ Uint32 *_p = (Uint32 *)(dst); \ Uint32 _val = (val); \ switch (_count % 4) { \ case 0: do { *_p++ = _val; \ case 3: *_p++ = _val; \ case 2: *_p++ = _val; \ case 1: *_p++ = _val; \ } while ( --_n ); \ } \ } while(0) #endif /* We can count on memcpy existing on Mac OS X and being well-tuned. */ #if defined(__MACH__) && defined(__APPLE__) #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) #elif defined(__GNUC__) && defined(i386) #define SDL_memcpy(dst, src, len) \ do { \ int u0, u1, u2; \ __asm__ __volatile__ ( \ "cld\n\t" \ "rep ; movsl\n\t" \ "testb $2,%b4\n\t" \ "je 1f\n\t" \ "movsw\n" \ "1:\ttestb $1,%b4\n\t" \ "je 2f\n\t" \ "movsb\n" \ "2:" \ : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ : "memory" ); \ } while(0) #endif #ifndef SDL_memcpy #ifdef HAVE_MEMCPY #define SDL_memcpy memcpy #elif defined(HAVE_BCOPY) #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) #else extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); #endif #endif /* We can count on memcpy existing on Mac OS X and being well-tuned. */ #if defined(__MACH__) && defined(__APPLE__) #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) #elif defined(__GNUC__) && defined(i386) #define SDL_memcpy4(dst, src, len) \ do { \ int ecx, edi, esi; \ __asm__ __volatile__ ( \ "cld\n\t" \ "rep ; movsl" \ : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ : "memory" ); \ } while(0) #endif #ifndef SDL_memcpy4 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) #endif #if defined(__GNUC__) && defined(i386) #define SDL_revcpy(dst, src, len) \ do { \ int u0, u1, u2; \ char *dstp = (char *)(dst); \ char *srcp = (char *)(src); \ int n = (len); \ if ( n >= 4 ) { \ __asm__ __volatile__ ( \ "std\n\t" \ "rep ; movsl\n\t" \ "cld\n\t" \ : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ : "0" (n >> 2), \ "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ : "memory" ); \ } \ switch (n & 3) { \ case 3: dstp[2] = srcp[2]; \ case 2: dstp[1] = srcp[1]; \ case 1: dstp[0] = srcp[0]; \ break; \ default: \ break; \ } \ } while(0) #endif #ifndef SDL_revcpy extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); #endif #ifdef HAVE_MEMMOVE #define SDL_memmove memmove #elif defined(HAVE_BCOPY) #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) #else #define SDL_memmove(dst, src, len) \ do { \ if ( dst < src ) { \ SDL_memcpy(dst, src, len); \ } else { \ SDL_revcpy(dst, src, len); \ } \ } while(0) #endif #ifdef HAVE_MEMCMP #define SDL_memcmp memcmp #else extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); #endif #ifdef HAVE_STRLEN #define SDL_strlen strlen #else extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); #endif #ifdef HAVE_WCSLEN #define SDL_wcslen wcslen #else extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string); #endif #ifdef HAVE_STRLCPY #define SDL_strlcpy strlcpy #else extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen); #endif #ifdef HAVE_STRLCAT #define SDL_strlcat strlcat #else extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen); #endif #ifdef HAVE_STRDUP #define SDL_strdup strdup #else extern DECLSPEC char *SDLCALL SDL_strdup(const char *string); #endif #ifdef HAVE__STRREV #define SDL_strrev _strrev #else extern DECLSPEC char *SDLCALL SDL_strrev(char *string); #endif #ifdef HAVE__STRUPR #define SDL_strupr _strupr #else extern DECLSPEC char *SDLCALL SDL_strupr(char *string); #endif #ifdef HAVE__STRLWR #define SDL_strlwr _strlwr #else extern DECLSPEC char *SDLCALL SDL_strlwr(char *string); #endif #ifdef HAVE_STRCHR #define SDL_strchr strchr #elif defined(HAVE_INDEX) #define SDL_strchr index #else extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c); #endif #ifdef HAVE_STRRCHR #define SDL_strrchr strrchr #elif defined(HAVE_RINDEX) #define SDL_strrchr rindex #else extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c); #endif #ifdef HAVE_STRSTR #define SDL_strstr strstr #else extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, const char *needle); #endif #ifdef HAVE_ITOA #define SDL_itoa itoa #else #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) #endif #ifdef HAVE__LTOA #define SDL_ltoa _ltoa #else extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix); #endif #ifdef HAVE__UITOA #define SDL_uitoa _uitoa #else #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) #endif #ifdef HAVE__ULTOA #define SDL_ultoa _ultoa #else extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); #endif #ifdef HAVE_STRTOL #define SDL_strtol strtol #else extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); #endif #ifdef HAVE_STRTOUL #define SDL_strtoul strtoul #else extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base); #endif #ifdef SDL_HAS_64BIT_TYPE #ifdef HAVE__I64TOA #define SDL_lltoa _i64toa #else extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); #endif #ifdef HAVE__UI64TOA #define SDL_ulltoa _ui64toa #else extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); #endif #ifdef HAVE_STRTOLL #define SDL_strtoll strtoll #else extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); #endif #ifdef HAVE_STRTOULL #define SDL_strtoull strtoull #else extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base); #endif #endif /* SDL_HAS_64BIT_TYPE */ #ifdef HAVE_STRTOD #define SDL_strtod strtod #else extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); #endif #ifdef HAVE_ATOI #define SDL_atoi atoi #else #define SDL_atoi(X) SDL_strtol(X, NULL, 0) #endif #ifdef HAVE_ATOF #define SDL_atof atof #else #define SDL_atof(X) SDL_strtod(X, NULL) #endif #ifdef HAVE_STRCMP #define SDL_strcmp strcmp #else extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); #endif #ifdef HAVE_STRNCMP #define SDL_strncmp strncmp #else extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); #endif #ifdef HAVE_STRCASECMP #define SDL_strcasecmp strcasecmp #elif defined(HAVE__STRICMP) #define SDL_strcasecmp _stricmp #else extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); #endif #ifdef HAVE_STRNCASECMP #define SDL_strncasecmp strncasecmp #elif defined(HAVE__STRNICMP) #define SDL_strncasecmp _strnicmp #else extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen); #endif #ifdef HAVE_SSCANF #define SDL_sscanf sscanf #else extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); #endif #ifdef HAVE_SNPRINTF #define SDL_snprintf snprintf #else extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); #endif #ifdef HAVE_VSNPRINTF #define SDL_vsnprintf vsnprintf #else extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); #endif /* The SDL implementation of iconv() returns these error codes */ #define SDL_ICONV_ERROR (size_t)-1 #define SDL_ICONV_E2BIG (size_t)-2 #define SDL_ICONV_EILSEQ (size_t)-3 #define SDL_ICONV_EINVAL (size_t)-4 #ifdef HAVE_ICONV #define SDL_iconv_t iconv_t #define SDL_iconv_open iconv_open #define SDL_iconv_close iconv_close #else typedef struct _SDL_iconv_t *SDL_iconv_t; extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode); extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); #endif extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t * inbytesleft, char **outbuf, size_t * outbytesleft); /* This function converts a string between encodings in one pass, returning a string that must be freed with SDL_free() or NULL on error. */ extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft); #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) /* Ends C function definitions when using C++ */ #ifdef __cplusplus /* *INDENT-OFF* */ } /* *INDENT-ON* */ #endif #include "close_code.h" #endif /* _SDL_stdinc_h */ /* vi: set ts=4 sw=4 expandtab: */