SDL: include/SDL_stdinc.h@65bb3dd0b350

     1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 Sam Lantinga

     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.

    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.

    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

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 */

    23 /**

    24  * \file SDL_stdinc.h

    25  *

    26  * This is a general header that includes C language support

    27  */

    29 #ifndef _SDL_stdinc_h

    30 #define _SDL_stdinc_h

    32 #include "SDL_config.h"

    35 #ifdef HAVE_SYS_TYPES_H

    36 #include <sys/types.h>

    37 #endif

    38 #ifdef HAVE_STDIO_H

    39 #include <stdio.h>

    40 #endif

    41 #if defined(STDC_HEADERS)

    42 # include <stdlib.h>

    43 # include <stddef.h>

    44 # include <stdarg.h>

    45 #else

    46 # if defined(HAVE_STDLIB_H)

    47 #  include <stdlib.h>

    48 # elif defined(HAVE_MALLOC_H)

    49 #  include <malloc.h>

    50 # endif

    51 # if defined(HAVE_STDDEF_H)

    52 #  include <stddef.h>

    53 # endif

    54 # if defined(HAVE_STDARG_H)

    55 #  include <stdarg.h>

    56 # endif

    57 #endif

    58 #ifdef HAVE_STRING_H

    59 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)

    60 #  include <memory.h>

    61 # endif

    62 # include <string.h>

    63 #endif

    64 #ifdef HAVE_STRINGS_H

    65 # include <strings.h>

    66 #endif

    67 #if defined(HAVE_INTTYPES_H)

    68 # include <inttypes.h>

    69 #elif defined(HAVE_STDINT_H)

    70 # include <stdint.h>

    71 #endif

    72 #ifdef HAVE_CTYPE_H

    73 # include <ctype.h>

    74 #endif

    75 #ifdef HAVE_ICONV_H

    76 # include <iconv.h>

    77 #endif

    79 /* The number of elements in an array */

    80 #define SDL_arraysize(array)	(sizeof(array)/sizeof(array[0]))

    81 #define SDL_TABLESIZE(table)	SDL_arraysize(table)

    83 /* Basic data types */

    84 typedef enum SDL_bool

    85 {

    86     SDL_FALSE = 0,

    87     SDL_TRUE = 1

    88 } SDL_bool;

    90 /**

    91  * \typedef Sint8

    92  * \brief A signed 8-bit integer type.

    93  */

    94 typedef int8_t Sint8;

    95 /**

    96  * \typedef Uint8

    97  * \brief An unsigned 8-bit integer type.

    98  */

    99 typedef uint8_t Uint8;

   100 /**

   101  * \typedef Sint16

   102  * \brief A signed 16-bit integer type.

   103  */

   104 typedef int16_t Sint16;

   105 /**

   106  * \typedef Uint16

   107  * \brief An unsigned 16-bit integer type.

   108  */

   109 typedef uint16_t Uint16;

   110 /**

   111  * \typedef Sint32

   112  * \brief A signed 32-bit integer type.

   113  */

   114 typedef int32_t Sint32;

   115 /**

   116  * \typedef Uint32

   117  * \brief An unsigned 32-bit integer type.

   118  */

   119 typedef uint32_t Uint32;

   121 #ifdef SDL_HAS_64BIT_TYPE

   122 /**

   123  * \typedef Sint64

   124  * \brief A signed 64-bit integer type.

   125  * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32!

   126  */

   127 typedef int64_t Sint64;

   128 /**

   129  * \typedef Uint64

   130  * \brief An unsigned 64-bit integer type.

   131  * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32!

   132  */

   133 typedef uint64_t Uint64;

   134 #else

   135 /* This is really just a hack to prevent the compiler from complaining */

   136 typedef Sint32 Sint64;

   137 typedef Uint32 Uint64;

   138 #endif

   140 /* Make sure the types really have the right sizes */

   141 #define SDL_COMPILE_TIME_ASSERT(name, x)               \

   142        typedef int SDL_dummy_ ## name[(x) * 2 - 1]

   143 #ifndef DOXYGEN_SHOULD_IGNORE_THIS

   144 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);

   145 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);

   146 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);

   147 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);

   148 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);

   149 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);

   150 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);

   151 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);

   152 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */

   154 /* Check to make sure enums are the size of ints, for structure packing.

   155    For both Watcom C/C++ and Borland C/C++ the compiler option that makes

   156    enums having the size of an int must be enabled.

   157    This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).

   158 */

   159 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */

   160 #ifdef __MWERKS__

   161 #pragma enumsalwaysint on

   162 #endif

   164 #ifndef DOXYGEN_SHOULD_IGNORE_THIS

   165 typedef enum

   166 {

   167     DUMMY_ENUM_VALUE

   168 } SDL_DUMMY_ENUM;

   170 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));

   171 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */

   173 #include "begin_code.h"

   174 /* Set up for C function definitions, even when using C++ */

   175 #ifdef __cplusplus

   176 /* *INDENT-OFF* */

   177 extern "C" {

   178 /* *INDENT-ON* */

   179 #endif

   181 #ifdef HAVE_MALLOC

   182 #define SDL_malloc	malloc

   183 #else

   184 extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);

   185 #endif

   187 #ifdef HAVE_CALLOC

   188 #define SDL_calloc	calloc

   189 #else

   190 extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);

   191 #endif

   193 #ifdef HAVE_REALLOC

   194 #define SDL_realloc	realloc

   195 #else

   196 extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);

   197 #endif

   199 #ifdef HAVE_FREE

   200 #define SDL_free	free

   201 #else

   202 extern DECLSPEC void SDLCALL SDL_free(void *mem);

   203 #endif

   205 #if defined(HAVE_ALLOCA) && !defined(alloca)

   206 # if defined(HAVE_ALLOCA_H)

   207 #  include <alloca.h>

   208 # elif defined(__GNUC__)

   209 #  define alloca __builtin_alloca

   210 # elif defined(_MSC_VER)

   211 #  include <malloc.h>

   212 #  define alloca _alloca

   213 # elif defined(__WATCOMC__)

   214 #  include <malloc.h>

   215 # elif defined(__BORLANDC__)

   216 #  include <malloc.h>

   217 # elif defined(__DMC__)

   218 #  include <stdlib.h>

   219 # elif defined(__AIX__)

   220 #pragma alloca

   221 # elif defined(__MRC__)

   222 void *alloca(unsigned);

   223 # else

   224 char *alloca();

   225 # endif

   226 #endif

   227 #ifdef HAVE_ALLOCA

   228 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))

   229 #define SDL_stack_free(data)

   230 #else

   231 #define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*(count))

   232 #define SDL_stack_free(data)            SDL_free(data)

   233 #endif

   235 #ifdef HAVE_GETENV

   236 #define SDL_getenv	getenv

   237 #else

   238 extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);

   239 #endif

   241 #ifdef HAVE_PUTENV

   242 #define SDL_putenv	putenv

   243 #else

   244 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);

   245 #endif

   247 #ifdef HAVE_QSORT

   248 #define SDL_qsort	qsort

   249 #else

   250 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,

   251                                        int (*compare) (const void *,

   252                                                        const void *));

   253 #endif

   255 #ifdef HAVE_ABS

   256 #define SDL_abs		abs

   257 #else

   258 #define SDL_abs(X)	((X) < 0 ? -(X) : (X))

   259 #endif

   261 #define SDL_min(x, y)	(((x) < (y)) ? (x) : (y))

   262 #define SDL_max(x, y)	(((x) > (y)) ? (x) : (y))

   264 #ifdef HAVE_CTYPE_H

   265 #define SDL_isdigit(X)  isdigit(X)

   266 #define SDL_isspace(X)  isspace(X)

   267 #define SDL_toupper(X)  toupper(X)

   268 #define SDL_tolower(X)  tolower(X)

   269 #else

   270 #define SDL_isdigit(X)  (((X) >= '0') && ((X) <= '9'))

   271 #define SDL_isspace(X)  (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))

   272 #define SDL_toupper(X)  (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))

   273 #define SDL_tolower(X)  (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))

   274 #endif

   276 #ifdef HAVE_MEMSET

   277 #define SDL_memset      memset

   278 #else

   279 extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);

   280 #endif

   281 #define SDL_zero(x)	SDL_memset(&(x), 0, sizeof((x)))

   282 #define SDL_zerop(x)	SDL_memset((x), 0, sizeof(*(x)))

   284 #if defined(__GNUC__) && defined(i386)

   285 #define SDL_memset4(dst, val, len)				\

   286 do {								\

   287 	int u0, u1, u2;						\

   288 	__asm__ __volatile__ (					\

   289 		"cld\n\t"					\

   290 		"rep ; stosl\n\t"				\

   291 		: "=&D" (u0), "=&a" (u1), "=&c" (u2)		\

   292 		: "0" (dst), "1" (val), "2" ((Uint32)(len))	\

   293 		: "memory" );					\

   294 } while(0)

   295 #endif

   296 #ifndef SDL_memset4

   297 #define SDL_memset4(dst, val, len)		\

   298 do {						\

   299 	unsigned _count = (len);		\

   300 	unsigned _n = (_count + 3) / 4;		\

   301 	Uint32 *_p = (Uint32 *)(dst);		\

   302 	Uint32 _val = (val);			\

   303         switch (_count % 4) {			\

   304         case 0: do {    *_p++ = _val;		\

   305         case 3:         *_p++ = _val;		\

   306         case 2:         *_p++ = _val;		\

   307         case 1:         *_p++ = _val;		\

   308 		} while ( --_n );		\

   309 	}					\

   310 } while(0)

   311 #endif

   313 /* We can count on memcpy existing on Mac OS X and being well-tuned. */

   314 #if defined(__MACH__) && defined(__APPLE__)

   315 #define SDL_memcpy(dst, src, len) memcpy(dst, src, len)

   316 #elif defined(__GNUC__) && defined(i386)

   317 #define SDL_memcpy(dst, src, len)					  \

   318 do {									  \

   319 	int u0, u1, u2;						  	  \

   320 	__asm__ __volatile__ (						  \

   321 		"cld\n\t"						  \

   322 		"rep ; movsl\n\t"					  \

   323 		"testb $2,%b4\n\t"					  \

   324 		"je 1f\n\t"						  \

   325 		"movsw\n"						  \

   326 		"1:\ttestb $1,%b4\n\t"					  \

   327 		"je 2f\n\t"						  \

   328 		"movsb\n"						  \

   329 		"2:"							  \

   330 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)			  \

   331 		: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \

   332 		: "memory" );						  \

   333 } while(0)

   334 #endif

   335 #ifndef SDL_memcpy

   336 #ifdef HAVE_MEMCPY

   337 #define SDL_memcpy      memcpy

   338 #elif defined(HAVE_BCOPY)

   339 #define SDL_memcpy(d, s, n)	bcopy((s), (d), (n))

   340 #else

   341 extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src,

   342                                          size_t len);

   343 #endif

   344 #endif

   346 /* We can count on memcpy existing on Mac OS X and being well-tuned. */

   347 #if defined(__MACH__) && defined(__APPLE__)

   348 #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4)

   349 #elif defined(__GNUC__) && defined(i386)

   350 #define SDL_memcpy4(dst, src, len)				\

   351 do {								\

   352 	int ecx, edi, esi;					\

   353 	__asm__ __volatile__ (					\

   354 		"cld\n\t"					\

   355 		"rep ; movsl"					\

   356 		: "=&c" (ecx), "=&D" (edi), "=&S" (esi)		\

   357 		: "0" ((unsigned)(len)), "1" (dst), "2" (src)	\

   358 		: "memory" );					\

   359 } while(0)

   360 #endif

   361 #ifndef SDL_memcpy4

   362 #define SDL_memcpy4(dst, src, len)	SDL_memcpy(dst, src, (len) << 2)

   363 #endif

   365 #if defined(__GNUC__) && defined(i386)

   366 #define SDL_revcpy(dst, src, len)			\

   367 do {							\

   368 	int u0, u1, u2;					\

   369 	char *dstp = (char *)(dst);			\

   370 	char *srcp = (char *)(src);			\

   371 	int n = (len);					\

   372 	if ( n >= 4 ) {					\

   373 	__asm__ __volatile__ (				\

   374 		"std\n\t"				\

   375 		"rep ; movsl\n\t"			\

   376 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)	\

   377 		: "0" (n >> 2),				\

   378 		  "1" (dstp+(n-4)), "2" (srcp+(n-4))	\

   379 		: "memory" );				\

   380 	}						\

   381 	switch (n & 3) {				\

   382 		case 3: dstp[2] = srcp[2];		\

   383 		case 2: dstp[1] = srcp[1];		\

   384 		case 1: dstp[0] = srcp[0];		\

   385 			break;				\

   386 		default:				\

   387 			break;				\

   388 	}						\

   389 } while(0)

   390 #endif

   391 #ifndef SDL_revcpy

   392 extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src,

   393                                          size_t len);

   394 #endif

   396 #ifdef HAVE_MEMMOVE

   397 #define SDL_memmove     memmove

   398 #elif defined(HAVE_BCOPY)

   399 #define SDL_memmove(d, s, n)	bcopy((s), (d), (n))

   400 #else

   401 #define SDL_memmove(dst, src, len)			\

   402 do {							\

   403 	if ( dst < src ) {				\

   404 		SDL_memcpy(dst, src, len);		\

   405 	} else {					\

   406 		SDL_revcpy(dst, src, len);		\

   407 	}						\

   408 } while(0)

   409 #endif

   411 #ifdef HAVE_MEMCMP

   412 #define SDL_memcmp      memcmp

   413 #else

   414 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2,

   415                                        size_t len);

   416 #endif

   418 #ifdef HAVE_STRLEN

   419 #define SDL_strlen      strlen

   420 #else

   421 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);

   422 #endif

   424 #ifdef HAVE_WCSLEN

   425 #define SDL_wcslen      wcslen

   426 #else

   427 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string);

   428 #endif

   430 #ifdef HAVE_STRLCPY

   431 #define SDL_strlcpy     strlcpy

   432 #else

   433 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src,

   434                                            size_t maxlen);

   435 #endif

   437 #ifdef HAVE_STRLCAT

   438 #define SDL_strlcat    strlcat

   439 #else

   440 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src,

   441                                            size_t maxlen);

   442 #endif

   444 #ifdef HAVE_STRDUP

   445 #define SDL_strdup     strdup

   446 #else

   447 extern DECLSPEC char *SDLCALL SDL_strdup(const char *string);

   448 #endif

   450 #ifdef HAVE__STRREV

   451 #define SDL_strrev      _strrev

   452 #else

   453 extern DECLSPEC char *SDLCALL SDL_strrev(char *string);

   454 #endif

   456 #ifdef HAVE__STRUPR

   457 #define SDL_strupr      _strupr

   458 #else

   459 extern DECLSPEC char *SDLCALL SDL_strupr(char *string);

   460 #endif

   462 #ifdef HAVE__STRLWR

   463 #define SDL_strlwr      _strlwr

   464 #else

   465 extern DECLSPEC char *SDLCALL SDL_strlwr(char *string);

   466 #endif

   468 #ifdef HAVE_STRCHR

   469 #define SDL_strchr      strchr

   470 #elif defined(HAVE_INDEX)

   471 #define SDL_strchr      index

   472 #else

   473 extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c);

   474 #endif

   476 #ifdef HAVE_STRRCHR

   477 #define SDL_strrchr     strrchr

   478 #elif defined(HAVE_RINDEX)

   479 #define SDL_strrchr     rindex

   480 #else

   481 extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c);

   482 #endif

   484 #ifdef HAVE_STRSTR

   485 #define SDL_strstr      strstr

   486 #else

   487 extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack,

   488                                          const char *needle);

   489 #endif

   491 #ifdef HAVE_ITOA

   492 #define SDL_itoa        itoa

   493 #else

   494 #define SDL_itoa(value, string, radix)	SDL_ltoa((long)value, string, radix)

   495 #endif

   497 #ifdef HAVE__LTOA

   498 #define SDL_ltoa        _ltoa

   499 #else

   500 extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix);

   501 #endif

   503 #ifdef HAVE__UITOA

   504 #define SDL_uitoa       _uitoa

   505 #else

   506 #define SDL_uitoa(value, string, radix)	SDL_ultoa((long)value, string, radix)

   507 #endif

   509 #ifdef HAVE__ULTOA

   510 #define SDL_ultoa       _ultoa

   511 #else

   512 extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string,

   513                                         int radix);

   514 #endif

   516 #ifdef HAVE_STRTOL

   517 #define SDL_strtol      strtol

   518 #else

   519 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp,

   520                                         int base);

   521 #endif

   523 #ifdef HAVE_STRTOUL

   524 #define SDL_strtoul      strtoul

   525 #else

   526 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string,

   527                                                   char **endp, int base);

   528 #endif

   530 #ifdef SDL_HAS_64BIT_TYPE

   532 #ifdef HAVE__I64TOA

   533 #define SDL_lltoa       _i64toa

   534 #else

   535 extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string,

   536                                         int radix);

   537 #endif

   539 #ifdef HAVE__UI64TOA

   540 #define SDL_ulltoa      _ui64toa

   541 #else

   542 extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string,

   543                                          int radix);

   544 #endif

   546 #ifdef HAVE_STRTOLL

   547 #define SDL_strtoll     strtoll

   548 #else

   549 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp,

   550                                            int base);

   551 #endif

   553 #ifdef HAVE_STRTOULL

   554 #define SDL_strtoull     strtoull

   555 #else

   556 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp,

   557                                             int base);

   558 #endif

   560 #endif /* SDL_HAS_64BIT_TYPE */

   562 #ifdef HAVE_STRTOD

   563 #define SDL_strtod      strtod

   564 #else

   565 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);

   566 #endif

   568 #ifdef HAVE_ATOI

   569 #define SDL_atoi        atoi

   570 #else

   571 #define SDL_atoi(X)     SDL_strtol(X, NULL, 0)

   572 #endif

   574 #ifdef HAVE_ATOF

   575 #define SDL_atof        atof

   576 #else

   577 #define SDL_atof(X)     SDL_strtod(X, NULL)

   578 #endif

   580 #ifdef HAVE_STRCMP

   581 #define SDL_strcmp      strcmp

   582 #else

   583 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);

   584 #endif

   586 #ifdef HAVE_STRNCMP

   587 #define SDL_strncmp     strncmp

   588 #else

   589 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2,

   590                                         size_t maxlen);

   591 #endif

   593 #ifdef HAVE_STRCASECMP

   594 #define SDL_strcasecmp  strcasecmp

   595 #elif defined(HAVE__STRICMP)

   596 #define SDL_strcasecmp  _stricmp

   597 #else

   598 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1,

   599                                            const char *str2);

   600 #endif

   602 #ifdef HAVE_STRNCASECMP

   603 #define SDL_strncasecmp strncasecmp

   604 #elif defined(HAVE__STRNICMP)

   605 #define SDL_strncasecmp _strnicmp

   606 #else

   607 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1,

   608                                             const char *str2, size_t maxlen);

   609 #endif

   611 #ifdef HAVE_SSCANF

   612 #define SDL_sscanf      sscanf

   613 #else

   614 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt,

   615                                        ...);

   616 #endif

   618 #ifdef HAVE_SNPRINTF

   619 #define SDL_snprintf    snprintf

   620 #else

   621 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen,

   622                                          const char *fmt, ...);

   623 #endif

   625 #ifdef HAVE_VSNPRINTF

   626 #define SDL_vsnprintf   vsnprintf

   627 #else

   628 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen,

   629                                           const char *fmt, va_list ap);

   630 #endif

   632 /* The SDL implementation of iconv() returns these error codes */

   633 #define SDL_ICONV_ERROR		(size_t)-1

   634 #define SDL_ICONV_E2BIG		(size_t)-2

   635 #define SDL_ICONV_EILSEQ	(size_t)-3

   636 #define SDL_ICONV_EINVAL	(size_t)-4

   638 #ifdef HAVE_ICONV

   639 #define SDL_iconv_t     iconv_t

   640 #define SDL_iconv_open  iconv_open

   641 #define SDL_iconv_close iconv_close

   642 #else

   643 typedef struct _SDL_iconv_t *SDL_iconv_t;

   644 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,

   645                                                    const char *fromcode);

   646 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);

   647 #endif

   648 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,

   649                                          size_t * inbytesleft, char **outbuf,

   650                                          size_t * outbytesleft);

   651 /* This function converts a string between encodings in one pass, returning a

   652    string that must be freed with SDL_free() or NULL on error.

   653 */

   654 extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,

   655                                                const char *fromcode,

   656                                                const char *inbuf,

   657                                                size_t inbytesleft);

   658 #define SDL_iconv_utf8_locale(S)	SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)

   659 #define SDL_iconv_utf8_ucs2(S)		(Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)

   660 #define SDL_iconv_utf8_ucs4(S)		(Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)

   662 /* Ends C function definitions when using C++ */

   663 #ifdef __cplusplus

   664 /* *INDENT-OFF* */

   665 }

   666 /* *INDENT-ON* */

   667 #endif

   668 #include "close_code.h"

   670 #endif /* _SDL_stdinc_h */

   672 /* vi: set ts=4 sw=4 expandtab: */

author	Sam Lantinga <slouken@libsdl.org>
	Fri, 28 Dec 2007 08:07:57 +0000
changeset 2279	65bb3dd0b350
parent 2157	75a6c5deba84
child 2302	7ae1c419b626
permissions	-rw-r--r--