SDL: include/SDL_stdinc.h@c3e7c0698cbb

     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 #ifndef __NINTENDODS__          /* TODO: figure out why the following happens:

   151                                    include/SDL_stdinc.h:150: error: size of array 'SDL_dummy_uint64' is negative

   152                                    include/SDL_stdinc.h:151: error: size of array 'SDL_dummy_sint64' is negative */

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

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

   155 #endif

   156 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */

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

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

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

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

   162 */

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

   164 #ifdef __MWERKS__

   165 #pragma enumsalwaysint on

   166 #endif

   168 #ifndef DOXYGEN_SHOULD_IGNORE_THIS

   169 #ifndef __NINTENDODS__          /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */

   170 typedef enum

   171 {

   172     DUMMY_ENUM_VALUE

   173 } SDL_DUMMY_ENUM;

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

   176 #endif

   177 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */

   179 #include "begin_code.h"

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

   181 #ifdef __cplusplus

   182 /* *INDENT-OFF* */

   183 extern "C" {

   184 /* *INDENT-ON* */

   185 #endif

   187 #ifdef HAVE_MALLOC

   188 #define SDL_malloc	malloc

   189 #else

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

   191 #endif

   193 #ifdef HAVE_CALLOC

   194 #define SDL_calloc	calloc

   195 #else

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

   197 #endif

   199 #ifdef HAVE_REALLOC

   200 #define SDL_realloc	realloc

   201 #else

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

   203 #endif

   205 #ifdef HAVE_FREE

   206 #define SDL_free	free

   207 #else

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

   209 #endif

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

   212 # if defined(HAVE_ALLOCA_H)

   213 #  include <alloca.h>

   214 # elif defined(__GNUC__)

   215 #  define alloca __builtin_alloca

   216 # elif defined(_MSC_VER)

   217 #  include <malloc.h>

   218 #  define alloca _alloca

   219 # elif defined(__WATCOMC__)

   220 #  include <malloc.h>

   221 # elif defined(__BORLANDC__)

   222 #  include <malloc.h>

   223 # elif defined(__DMC__)

   224 #  include <stdlib.h>

   225 # elif defined(__AIX__)

   226 #pragma alloca

   227 # elif defined(__MRC__)

   228 void *alloca(unsigned);

   229 # else

   230 char *alloca();

   231 # endif

   232 #endif

   233 #ifdef HAVE_ALLOCA

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

   235 #define SDL_stack_free(data)

   236 #else

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

   238 #define SDL_stack_free(data)            SDL_free(data)

   239 #endif

   241 #ifdef HAVE_GETENV

   242 #define SDL_getenv	getenv

   243 #else

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

   245 #endif

   247 #ifdef HAVE_PUTENV

   248 #define SDL_putenv	putenv

   249 #else

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

   251 #endif

   253 #ifdef HAVE_QSORT

   254 #define SDL_qsort	qsort

   255 #else

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

   257                                        int (*compare) (const void *,

   258                                                        const void *));

   259 #endif

   261 #ifdef HAVE_ABS

   262 #define SDL_abs		abs

   263 #else

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

   265 #endif

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

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

   270 #ifdef HAVE_CTYPE_H

   271 #define SDL_isdigit(X)  isdigit(X)

   272 #define SDL_isspace(X)  isspace(X)

   273 #define SDL_toupper(X)  toupper(X)

   274 #define SDL_tolower(X)  tolower(X)

   275 #else

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

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

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

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

   280 #endif

   282 #ifdef HAVE_MEMSET

   283 #define SDL_memset      memset

   284 #else

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

   286 #endif

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

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

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

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

   292 do {								\

   293 	int u0, u1, u2;						\

   294 	__asm__ __volatile__ (					\

   295 		"cld\n\t"					\

   296 		"rep ; stosl\n\t"				\

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

   298 		: "0" (dst), "1" (val), "2" ((Uint32)(len))	\

   299 		: "memory" );					\

   300 } while(0)

   301 #endif

   302 #ifndef SDL_memset4

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

   304 do {						\

   305 	unsigned _count = (len);		\

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

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

   308 	Uint32 _val = (val);			\

   309         switch (_count % 4) {			\

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

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

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

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

   314 		} while ( --_n );		\

   315 	}					\

   316 } while(0)

   317 #endif

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

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

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

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

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

   324 do {									  \

   325 	int u0, u1, u2;						  	  \

   326 	__asm__ __volatile__ (						  \

   327 		"cld\n\t"						  \

   328 		"rep ; movsl\n\t"					  \

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

   330 		"je 1f\n\t"						  \

   331 		"movsw\n"						  \

   332 		"1:\ttestb $1,%b4\n\t"					  \

   333 		"je 2f\n\t"						  \

   334 		"movsb\n"						  \

   335 		"2:"							  \

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

   337 		: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \

   338 		: "memory" );						  \

   339 } while(0)

   340 #endif

   341 #ifndef SDL_memcpy

   342 #ifdef HAVE_MEMCPY

   343 #define SDL_memcpy      memcpy

   344 #elif defined(HAVE_BCOPY)

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

   346 #else

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

   348                                          size_t len);

   349 #endif

   350 #endif

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

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

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

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

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

   357 do {								\

   358 	int ecx, edi, esi;					\

   359 	__asm__ __volatile__ (					\

   360 		"cld\n\t"					\

   361 		"rep ; movsl"					\

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

   363 		: "0" ((unsigned)(len)), "1" (dst), "2" (src)	\

   364 		: "memory" );					\

   365 } while(0)

   366 #endif

   367 #ifndef SDL_memcpy4

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

   369 #endif

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

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

   373 do {							\

   374 	int u0, u1, u2;					\

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

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

   377 	int n = (len);					\

   378 	if ( n >= 4 ) {					\

   379 	__asm__ __volatile__ (				\

   380 		"std\n\t"				\

   381 		"rep ; movsl\n\t"			\

   382 		"cld\n\t"				\

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

   384 		: "0" (n >> 2),				\

   385 		  "1" (dstp+(n-4)), "2" (srcp+(n-4))	\

   386 		: "memory" );				\

   387 	}						\

   388 	switch (n & 3) {				\

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

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

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

   392 			break;				\

   393 		default:				\

   394 			break;				\

   395 	}						\

   396 } while(0)

   397 #endif

   398 #ifndef SDL_revcpy

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

   400                                          size_t len);

   401 #endif

   403 #ifdef HAVE_MEMMOVE

   404 #define SDL_memmove     memmove

   405 #elif defined(HAVE_BCOPY)

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

   407 #else

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

   409 do {							\

   410 	if ( dst < src ) {				\

   411 		SDL_memcpy(dst, src, len);		\

   412 	} else {					\

   413 		SDL_revcpy(dst, src, len);		\

   414 	}						\

   415 } while(0)

   416 #endif

   418 #ifdef HAVE_MEMCMP

   419 #define SDL_memcmp      memcmp

   420 #else

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

   422                                        size_t len);

   423 #endif

   425 #ifdef HAVE_STRLEN

   426 #define SDL_strlen      strlen

   427 #else

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

   429 #endif

   431 #ifdef HAVE_WCSLEN

   432 #define SDL_wcslen      wcslen

   433 #else

   434 #if !defined(wchar_t) && defined(__NINTENDODS__)

   435 #define wchar_t short           /* TODO: figure out why libnds doesn't have this */

   436 #endif

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

   438 #endif

   440 #ifdef HAVE_STRLCPY

   441 #define SDL_strlcpy     strlcpy

   442 #else

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

   444                                            size_t maxlen);

   445 #endif

   447 #ifdef HAVE_STRLCAT

   448 #define SDL_strlcat    strlcat

   449 #else

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

   451                                            size_t maxlen);

   452 #endif

   454 #ifdef HAVE_STRDUP

   455 #define SDL_strdup     strdup

   456 #else

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

   458 #endif

   460 #ifdef HAVE__STRREV

   461 #define SDL_strrev      _strrev

   462 #else

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

   464 #endif

   466 #ifdef HAVE__STRUPR

   467 #define SDL_strupr      _strupr

   468 #else

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

   470 #endif

   472 #ifdef HAVE__STRLWR

   473 #define SDL_strlwr      _strlwr

   474 #else

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

   476 #endif

   478 #ifdef HAVE_STRCHR

   479 #define SDL_strchr      strchr

   480 #elif defined(HAVE_INDEX)

   481 #define SDL_strchr      index

   482 #else

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

   484 #endif

   486 #ifdef HAVE_STRRCHR

   487 #define SDL_strrchr     strrchr

   488 #elif defined(HAVE_RINDEX)

   489 #define SDL_strrchr     rindex

   490 #else

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

   492 #endif

   494 #ifdef HAVE_STRSTR

   495 #define SDL_strstr      strstr

   496 #else

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

   498                                          const char *needle);

   499 #endif

   501 #ifdef HAVE_ITOA

   502 #define SDL_itoa        itoa

   503 #else

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

   505 #endif

   507 #ifdef HAVE__LTOA

   508 #define SDL_ltoa        _ltoa

   509 #else

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

   511 #endif

   513 #ifdef HAVE__UITOA

   514 #define SDL_uitoa       _uitoa

   515 #else

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

   517 #endif

   519 #ifdef HAVE__ULTOA

   520 #define SDL_ultoa       _ultoa

   521 #else

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

   523                                         int radix);

   524 #endif

   526 #ifdef HAVE_STRTOL

   527 #define SDL_strtol      strtol

   528 #else

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

   530                                         int base);

   531 #endif

   533 #ifdef HAVE_STRTOUL

   534 #define SDL_strtoul      strtoul

   535 #else

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

   537                                                   char **endp, int base);

   538 #endif

   540 #ifdef SDL_HAS_64BIT_TYPE

   542 #ifdef HAVE__I64TOA

   543 #define SDL_lltoa       _i64toa

   544 #else

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

   546                                         int radix);

   547 #endif

   549 #ifdef HAVE__UI64TOA

   550 #define SDL_ulltoa      _ui64toa

   551 #else

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

   553                                          int radix);

   554 #endif

   556 #ifdef HAVE_STRTOLL

   557 #define SDL_strtoll     strtoll

   558 #else

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

   560                                            int base);

   561 #endif

   563 #ifdef HAVE_STRTOULL

   564 #define SDL_strtoull     strtoull

   565 #else

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

   567                                             int base);

   568 #endif

   570 #endif /* SDL_HAS_64BIT_TYPE */

   572 #ifdef HAVE_STRTOD

   573 #define SDL_strtod      strtod

   574 #else

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

   576 #endif

   578 #ifdef HAVE_ATOI

   579 #define SDL_atoi        atoi

   580 #else

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

   582 #endif

   584 #ifdef HAVE_ATOF

   585 #define SDL_atof        atof

   586 #else

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

   588 #endif

   590 #ifdef HAVE_STRCMP

   591 #define SDL_strcmp      strcmp

   592 #else

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

   594 #endif

   596 #ifdef HAVE_STRNCMP

   597 #define SDL_strncmp     strncmp

   598 #else

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

   600                                         size_t maxlen);

   601 #endif

   603 #ifdef HAVE_STRCASECMP

   604 #define SDL_strcasecmp  strcasecmp

   605 #elif defined(HAVE__STRICMP)

   606 #define SDL_strcasecmp  _stricmp

   607 #else

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

   609                                            const char *str2);

   610 #endif

   612 #ifdef HAVE_STRNCASECMP

   613 #define SDL_strncasecmp strncasecmp

   614 #elif defined(HAVE__STRNICMP)

   615 #define SDL_strncasecmp _strnicmp

   616 #else

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

   618                                             const char *str2, size_t maxlen);

   619 #endif

   621 #ifdef HAVE_SSCANF

   622 #define SDL_sscanf      sscanf

   623 #else

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

   625                                        ...);

   626 #endif

   628 #ifdef HAVE_SNPRINTF

   629 #define SDL_snprintf    snprintf

   630 #else

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

   632                                          const char *fmt, ...);

   633 #endif

   635 #ifdef HAVE_VSNPRINTF

   636 #define SDL_vsnprintf   vsnprintf

   637 #else

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

   639                                           const char *fmt, va_list ap);

   640 #endif

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

   643 #define SDL_ICONV_ERROR		(size_t)-1

   644 #define SDL_ICONV_E2BIG		(size_t)-2

   645 #define SDL_ICONV_EILSEQ	(size_t)-3

   646 #define SDL_ICONV_EINVAL	(size_t)-4

   648 #ifdef HAVE_ICONV

   649 #define SDL_iconv_t     iconv_t

   650 #define SDL_iconv_open  iconv_open

   651 #define SDL_iconv_close iconv_close

   652 #else

   653 typedef struct _SDL_iconv_t *SDL_iconv_t;

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

   655                                                    const char *fromcode);

   656 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);

   657 #endif

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

   659                                          size_t * inbytesleft, char **outbuf,

   660                                          size_t * outbytesleft);

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

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

   663 */

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

   665                                                const char *fromcode,

   666                                                const char *inbuf,

   667                                                size_t inbytesleft);

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

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

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

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

   673 #ifdef __cplusplus

   674 /* *INDENT-OFF* */

   675 }

   676 /* *INDENT-ON* */

   677 #endif

   678 #include "close_code.h"

   680 #endif /* _SDL_stdinc_h */

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

author	Darren Alton <dalton@stevens.edu>
	Thu, 12 Jun 2008 02:38:49 +0000
branch	gsoc2008_nds
changeset 2671	c3e7c0698cbb
parent 2669	e27bdcc80744
permissions	-rw-r--r--