include/SDL_stdinc.h
author Sam Lantinga <slouken@libsdl.org>
Sat, 29 Dec 2007 06:08:17 +0000
branchSDL-1.2
changeset 4113 82dab719502e
parent 4100 ad8bdb215737
child 4137 be12463f31ea
permissions -rw-r--r--
Fixed bug #464
Added X1/X2 button constants
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 /* This is a general header that includes C language support */
    24 
    25 #ifndef _SDL_stdinc_h
    26 #define _SDL_stdinc_h
    27 
    28 #include "SDL_config.h"
    29 
    30 
    31 #ifdef HAVE_SYS_TYPES_H
    32 #include <sys/types.h>
    33 #endif
    34 #ifdef HAVE_STDIO_H
    35 #include <stdio.h>
    36 #endif
    37 #if defined(STDC_HEADERS)
    38 # include <stdlib.h>
    39 # include <stddef.h>
    40 # include <stdarg.h>
    41 #else
    42 # if defined(HAVE_STDLIB_H)
    43 #  include <stdlib.h>
    44 # elif defined(HAVE_MALLOC_H)
    45 #  include <malloc.h>
    46 # endif
    47 # if defined(HAVE_STDDEF_H)
    48 #  include <stddef.h>
    49 # endif
    50 # if defined(HAVE_STDARG_H)
    51 #  include <stdarg.h>
    52 # endif
    53 #endif
    54 #ifdef HAVE_STRING_H
    55 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
    56 #  include <memory.h>
    57 # endif
    58 # include <string.h>
    59 #endif
    60 #ifdef HAVE_STRINGS_H
    61 # include <strings.h>
    62 #endif
    63 #if defined(HAVE_INTTYPES_H)
    64 # include <inttypes.h>
    65 #elif defined(HAVE_STDINT_H)
    66 # include <stdint.h>
    67 #endif
    68 #ifdef HAVE_CTYPE_H
    69 # include <ctype.h>
    70 #endif
    71 #ifdef HAVE_ICONV_H
    72 # include <iconv.h>
    73 #endif
    74 
    75 /* The number of elements in an array */
    76 #define SDL_arraysize(array)	(sizeof(array)/sizeof(array[0]))
    77 #define SDL_TABLESIZE(table)	SDL_arraysize(table)
    78 
    79 /* Basic data types */
    80 typedef enum SDL_bool {
    81 	SDL_FALSE = 0,
    82 	SDL_TRUE  = 1
    83 } SDL_bool;
    84 
    85 typedef int8_t		Sint8;
    86 typedef uint8_t		Uint8;
    87 typedef int16_t		Sint16;
    88 typedef uint16_t	Uint16;
    89 typedef int32_t		Sint32;
    90 typedef uint32_t	Uint32;
    91 
    92 #ifdef SDL_HAS_64BIT_TYPE
    93 typedef int64_t		Sint64;
    94 #ifndef SYMBIAN32_GCCE
    95 typedef uint64_t	Uint64;
    96 #endif
    97 #else
    98 /* This is really just a hack to prevent the compiler from complaining */
    99 typedef struct {
   100 	Uint32 hi;
   101 	Uint32 lo;
   102 } Uint64, Sint64;
   103 #endif
   104 
   105 /* Make sure the types really have the right sizes */
   106 #define SDL_COMPILE_TIME_ASSERT(name, x)               \
   107        typedef int SDL_dummy_ ## name[(x) * 2 - 1]
   108 
   109 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
   110 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
   111 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
   112 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
   113 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
   114 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
   115 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
   116 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
   117 
   118 /* Check to make sure enums are the size of ints, for structure packing.
   119    For both Watcom C/C++ and Borland C/C++ the compiler option that makes
   120    enums having the size of an int must be enabled.
   121    This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
   122 */
   123 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */
   124 #ifdef __MWERKS__
   125 #pragma enumsalwaysint on
   126 #endif
   127 
   128 typedef enum {
   129 	DUMMY_ENUM_VALUE
   130 } SDL_DUMMY_ENUM;
   131 
   132 #ifndef __NDS__
   133 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
   134 #endif
   135 
   136 
   137 #include "begin_code.h"
   138 /* Set up for C function definitions, even when using C++ */
   139 #ifdef __cplusplus
   140 extern "C" {
   141 #endif
   142 
   143 #ifdef HAVE_MALLOC
   144 #define SDL_malloc	malloc
   145 #else
   146 extern DECLSPEC void * SDLCALL SDL_malloc(size_t size);
   147 #endif
   148 
   149 #ifdef HAVE_CALLOC
   150 #define SDL_calloc	calloc
   151 #else
   152 extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size);
   153 #endif
   154 
   155 #ifdef HAVE_REALLOC
   156 #define SDL_realloc	realloc
   157 #else
   158 extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size);
   159 #endif
   160 
   161 #ifdef HAVE_FREE
   162 #define SDL_free	free
   163 #else
   164 extern DECLSPEC void SDLCALL SDL_free(void *mem);
   165 #endif
   166 
   167 #if defined(HAVE_ALLOCA) && !defined(alloca)
   168 # if defined(HAVE_ALLOCA_H)
   169 #  include <alloca.h>
   170 # elif defined(__GNUC__)
   171 #  define alloca __builtin_alloca
   172 # elif defined(_MSC_VER)
   173 #  include <malloc.h>
   174 #  define alloca _alloca
   175 # elif defined(__WATCOMC__)
   176 #  include <malloc.h>
   177 # elif defined(__BORLANDC__)
   178 #  include <malloc.h>
   179 # elif defined(__DMC__)
   180 #  include <stdlib.h>
   181 # elif defined(__AIX__)
   182   #pragma alloca
   183 # elif defined(__MRC__)
   184    void *alloca (unsigned);
   185 # else
   186    char *alloca ();
   187 # endif
   188 #endif
   189 #ifdef HAVE_ALLOCA
   190 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
   191 #define SDL_stack_free(data)
   192 #else
   193 #define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*(count))
   194 #define SDL_stack_free(data)            SDL_free(data)
   195 #endif
   196 
   197 #ifdef HAVE_GETENV
   198 #define SDL_getenv	getenv
   199 #else
   200 extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
   201 #endif
   202 
   203 #ifdef HAVE_PUTENV
   204 #define SDL_putenv	putenv
   205 #else
   206 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
   207 #endif
   208 
   209 #ifdef HAVE_QSORT
   210 #define SDL_qsort	qsort
   211 #else
   212 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
   213            int (*compare)(const void *, const void *));
   214 #endif
   215 
   216 #ifdef HAVE_ABS
   217 #define SDL_abs		abs
   218 #else
   219 #define SDL_abs(X)	((X) < 0 ? -(X) : (X))
   220 #endif
   221 
   222 #define SDL_min(x, y)	(((x) < (y)) ? (x) : (y))
   223 #define SDL_max(x, y)	(((x) > (y)) ? (x) : (y))
   224 
   225 #ifdef HAVE_CTYPE_H
   226 #define SDL_isdigit(X)  isdigit(X)
   227 #define SDL_isspace(X)  isspace(X)
   228 #define SDL_toupper(X)  toupper(X)
   229 #define SDL_tolower(X)  tolower(X)
   230 #else
   231 #define SDL_isdigit(X)  (((X) >= '0') && ((X) <= '9'))
   232 #define SDL_isspace(X)  (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
   233 #define SDL_toupper(X)  (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
   234 #define SDL_tolower(X)  (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
   235 #endif
   236 
   237 #ifdef HAVE_MEMSET
   238 #define SDL_memset      memset
   239 #else
   240 extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len);
   241 #endif
   242 
   243 #if defined(__GNUC__) && defined(i386)
   244 #define SDL_memset4(dst, val, len)				\
   245 do {								\
   246 	int u0, u1, u2;						\
   247 	__asm__ __volatile__ (					\
   248 		"cld\n\t"					\
   249 		"rep ; stosl\n\t"				\
   250 		: "=&D" (u0), "=&a" (u1), "=&c" (u2)		\
   251 		: "0" (dst), "1" (val), "2" ((Uint32)(len))	\
   252 		: "memory" );					\
   253 } while(0)
   254 #endif
   255 #ifndef SDL_memset4
   256 #define SDL_memset4(dst, val, len)		\
   257 do {						\
   258 	unsigned _count = (len);		\
   259 	unsigned _n = (_count + 3) / 4;		\
   260 	Uint32 *_p = (Uint32 *)(dst);		\
   261 	Uint32 _val = (val);			\
   262         switch (_count % 4) {			\
   263         case 0: do {    *_p++ = _val;		\
   264         case 3:         *_p++ = _val;		\
   265         case 2:         *_p++ = _val;		\
   266         case 1:         *_p++ = _val;		\
   267 		} while ( --_n );		\
   268 	}					\
   269 } while(0)
   270 #endif
   271 
   272 /* We can count on memcpy existing on Mac OS X and being well-tuned. */
   273 #if defined(__MACH__) && defined(__APPLE__)
   274 #define SDL_memcpy(dst, src, len) memcpy(dst, src, len)
   275 #elif defined(__GNUC__) && defined(i386)
   276 #define SDL_memcpy(dst, src, len)					  \
   277 do {									  \
   278 	int u0, u1, u2;						  	  \
   279 	__asm__ __volatile__ (						  \
   280 		"cld\n\t"						  \
   281 		"rep ; movsl\n\t"					  \
   282 		"testb $2,%b4\n\t"					  \
   283 		"je 1f\n\t"						  \
   284 		"movsw\n"						  \
   285 		"1:\ttestb $1,%b4\n\t"					  \
   286 		"je 2f\n\t"						  \
   287 		"movsb\n"						  \
   288 		"2:"							  \
   289 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)			  \
   290 		: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \
   291 		: "memory" );						  \
   292 } while(0)
   293 #endif
   294 #ifndef SDL_memcpy
   295 #ifdef HAVE_MEMCPY
   296 #define SDL_memcpy      memcpy
   297 #elif defined(HAVE_BCOPY)
   298 #define SDL_memcpy(d, s, n)	bcopy((s), (d), (n))
   299 #else
   300 extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len);
   301 #endif
   302 #endif
   303 
   304 /* We can count on memcpy existing on Mac OS X and being well-tuned. */
   305 #if defined(__MACH__) && defined(__APPLE__)
   306 #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4)
   307 #elif defined(__GNUC__) && defined(i386)
   308 #define SDL_memcpy4(dst, src, len)				\
   309 do {								\
   310 	int ecx, edi, esi;					\
   311 	__asm__ __volatile__ (					\
   312 		"cld\n\t"					\
   313 		"rep ; movsl"					\
   314 		: "=&c" (ecx), "=&D" (edi), "=&S" (esi)		\
   315 		: "0" ((unsigned)(len)), "1" (dst), "2" (src)	\
   316 		: "memory" );					\
   317 } while(0)
   318 #endif
   319 #ifndef SDL_memcpy4
   320 #define SDL_memcpy4(dst, src, len)	SDL_memcpy(dst, src, (len) << 2)
   321 #endif
   322 
   323 #if defined(__GNUC__) && defined(i386)
   324 #define SDL_revcpy(dst, src, len)			\
   325 do {							\
   326 	int u0, u1, u2;					\
   327 	char *dstp = (char *)(dst);			\
   328 	char *srcp = (char *)(src);			\
   329 	int n = (len);					\
   330 	if ( n >= 4 ) {					\
   331 	__asm__ __volatile__ (				\
   332 		"std\n\t"				\
   333 		"rep ; movsl\n\t"			\
   334 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)	\
   335 		: "0" (n >> 2),				\
   336 		  "1" (dstp+(n-4)), "2" (srcp+(n-4))	\
   337 		: "memory" );				\
   338 	}						\
   339 	switch (n & 3) {				\
   340 		case 3: dstp[2] = srcp[2];		\
   341 		case 2: dstp[1] = srcp[1];		\
   342 		case 1: dstp[0] = srcp[0];		\
   343 			break;				\
   344 		default:				\
   345 			break;				\
   346 	}						\
   347 } while(0)
   348 #endif
   349 #ifndef SDL_revcpy
   350 extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len);
   351 #endif
   352 
   353 #ifdef HAVE_MEMMOVE
   354 #define SDL_memmove     memmove
   355 #elif defined(HAVE_BCOPY)
   356 #define SDL_memmove(d, s, n)	bcopy((s), (d), (n))
   357 #else
   358 #define SDL_memmove(dst, src, len)			\
   359 do {							\
   360 	if ( dst < src ) {				\
   361 		SDL_memcpy(dst, src, len);		\
   362 	} else {					\
   363 		SDL_revcpy(dst, src, len);		\
   364 	}						\
   365 } while(0)
   366 #endif
   367 
   368 #ifdef HAVE_MEMCMP
   369 #define SDL_memcmp      memcmp
   370 #else
   371 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
   372 #endif
   373 
   374 #ifdef HAVE_STRLEN
   375 #define SDL_strlen      strlen
   376 #else
   377 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
   378 #endif
   379 
   380 #ifdef HAVE_STRLCPY
   381 #define SDL_strlcpy     strlcpy
   382 #else
   383 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen);
   384 #endif
   385 
   386 #ifdef HAVE_STRLCAT
   387 #define SDL_strlcat    strlcat
   388 #else
   389 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen);
   390 #endif
   391 
   392 #ifdef HAVE_STRDUP
   393 #define SDL_strdup     strdup
   394 #else
   395 extern DECLSPEC char * SDLCALL SDL_strdup(const char *string);
   396 #endif
   397 
   398 #ifdef HAVE__STRREV
   399 #define SDL_strrev      _strrev
   400 #else
   401 extern DECLSPEC char * SDLCALL SDL_strrev(char *string);
   402 #endif
   403 
   404 #ifdef HAVE__STRUPR
   405 #define SDL_strupr      _strupr
   406 #else
   407 extern DECLSPEC char * SDLCALL SDL_strupr(char *string);
   408 #endif
   409 
   410 #ifdef HAVE__STRLWR
   411 #define SDL_strlwr      _strlwr
   412 #else
   413 extern DECLSPEC char * SDLCALL SDL_strlwr(char *string);
   414 #endif
   415 
   416 #ifdef HAVE_STRCHR
   417 #define SDL_strchr      strchr
   418 #elif defined(HAVE_INDEX)
   419 #define SDL_strchr      index
   420 #else
   421 extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c);
   422 #endif
   423 
   424 #ifdef HAVE_STRRCHR
   425 #define SDL_strrchr     strrchr
   426 #elif defined(HAVE_RINDEX)
   427 #define SDL_strrchr     rindex
   428 #else
   429 extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c);
   430 #endif
   431 
   432 #ifdef HAVE_STRSTR
   433 #define SDL_strstr      strstr
   434 #else
   435 extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle);
   436 #endif
   437 
   438 #ifdef HAVE_ITOA
   439 #define SDL_itoa        itoa
   440 #else
   441 #define SDL_itoa(value, string, radix)	SDL_ltoa((long)value, string, radix)
   442 #endif
   443 
   444 #ifdef HAVE__LTOA
   445 #define SDL_ltoa        _ltoa
   446 #else
   447 extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix);
   448 #endif
   449 
   450 #ifdef HAVE__UITOA
   451 #define SDL_uitoa       _uitoa
   452 #else
   453 #define SDL_uitoa(value, string, radix)	SDL_ultoa((long)value, string, radix)
   454 #endif
   455 
   456 #ifdef HAVE__ULTOA
   457 #define SDL_ultoa       _ultoa
   458 #else
   459 extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix);
   460 #endif
   461 
   462 #ifdef HAVE_STRTOL
   463 #define SDL_strtol      strtol
   464 #else
   465 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base);
   466 #endif
   467 
   468 #ifdef HAVE_STRTOUL
   469 #define SDL_strtoul      strtoul
   470 #else
   471 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base);
   472 #endif
   473 
   474 #ifdef SDL_HAS_64BIT_TYPE
   475 
   476 #ifdef HAVE__I64TOA
   477 #define SDL_lltoa       _i64toa
   478 #else
   479 extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix);
   480 #endif
   481 
   482 #ifdef HAVE__UI64TOA
   483 #define SDL_ulltoa      _ui64toa
   484 #else
   485 extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix);
   486 #endif
   487 
   488 #ifdef HAVE_STRTOLL
   489 #define SDL_strtoll     strtoll
   490 #else
   491 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base);
   492 #endif
   493 
   494 #ifdef HAVE_STRTOULL
   495 #define SDL_strtoull     strtoull
   496 #else
   497 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base);
   498 #endif
   499 
   500 #endif /* SDL_HAS_64BIT_TYPE */
   501 
   502 #ifdef HAVE_STRTOD
   503 #define SDL_strtod      strtod
   504 #else
   505 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);
   506 #endif
   507 
   508 #ifdef HAVE_ATOI
   509 #define SDL_atoi        atoi
   510 #else
   511 #define SDL_atoi(X)     SDL_strtol(X, NULL, 0)
   512 #endif
   513 
   514 #ifdef HAVE_ATOF
   515 #define SDL_atof        atof
   516 #else
   517 #define SDL_atof(X)     SDL_strtod(X, NULL)
   518 #endif
   519 
   520 #ifdef HAVE_STRCMP
   521 #define SDL_strcmp      strcmp
   522 #else
   523 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
   524 #endif
   525 
   526 #ifdef HAVE_STRNCMP
   527 #define SDL_strncmp     strncmp
   528 #else
   529 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
   530 #endif
   531 
   532 #ifdef HAVE_STRCASECMP
   533 #define SDL_strcasecmp  strcasecmp
   534 #elif defined(HAVE__STRICMP)
   535 #define SDL_strcasecmp  _stricmp
   536 #else
   537 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
   538 #endif
   539 
   540 #ifdef HAVE_STRNCASECMP
   541 #define SDL_strncasecmp strncasecmp
   542 #elif defined(HAVE__STRNICMP)
   543 #define SDL_strncasecmp _strnicmp
   544 #else
   545 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen);
   546 #endif
   547 
   548 #ifdef HAVE_SSCANF
   549 #define SDL_sscanf      sscanf
   550 #else
   551 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...);
   552 #endif
   553 
   554 #ifdef HAVE_SNPRINTF
   555 #define SDL_snprintf    snprintf
   556 #else
   557 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...);
   558 #endif
   559 
   560 #ifdef HAVE_VSNPRINTF
   561 #define SDL_vsnprintf   vsnprintf
   562 #else
   563 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
   564 #endif
   565 
   566 /* The SDL implementation of iconv() returns these error codes */
   567 #define SDL_ICONV_ERROR		(size_t)-1
   568 #define SDL_ICONV_E2BIG		(size_t)-2
   569 #define SDL_ICONV_EILSEQ	(size_t)-3
   570 #define SDL_ICONV_EINVAL	(size_t)-4
   571 
   572 #ifdef HAVE_ICONV
   573 #define SDL_iconv_t     iconv_t
   574 #define SDL_iconv_open  iconv_open
   575 #define SDL_iconv_close iconv_close
   576 #else
   577 typedef struct _SDL_iconv_t *SDL_iconv_t;
   578 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode);
   579 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
   580 #endif
   581 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
   582 /* This function converts a string between encodings in one pass, returning a
   583    string that must be freed with SDL_free() or NULL on error.
   584 */
   585 extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft);
   586 #define SDL_iconv_utf8_locale(S)	SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
   587 #define SDL_iconv_utf8_ucs2(S)		(Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
   588 #define SDL_iconv_utf8_ucs4(S)		(Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
   589 
   590 /* Ends C function definitions when using C++ */
   591 #ifdef __cplusplus
   592 }
   593 #endif
   594 #include "close_code.h"
   595 
   596 #endif /* _SDL_stdinc_h */