include/SDL_stdinc.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 29 May 2006 04:04:35 +0000
branchSDL-1.3
changeset 1668 4da1ee79c9af
parent 1662 782fd950bd46
child 1696 3695d3637045
permissions -rw-r--r--
more tweaking indent options
     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 /**
    24  * \file SDL_stdinc.h
    25  *
    26  * This is a general header that includes C language support
    27  */
    28 
    29 #ifndef _SDL_stdinc_h
    30 #define _SDL_stdinc_h
    31 
    32 #include "SDL_config.h"
    33 
    34 
    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
    78 
    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)
    82 
    83 /* Basic data types */
    84 typedef enum SDL_bool
    85 {
    86     SDL_FALSE = 0,
    87     SDL_TRUE = 1
    88 } SDL_bool;
    89 
    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;
   120 
   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 typdef Sint32 Sint64;
   137 typdef Uint32 Uint32;
   138 #endif
   139 
   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 */
   153 
   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
   163 
   164 #ifndef DOXYGEN_SHOULD_IGNORE_THIS
   165 typedef enum
   166 {
   167     DUMMY_ENUM_VALUE
   168 } SDL_DUMMY_ENUM;
   169 
   170 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
   171 #endif /* DOXYGEN_SHOULD_IGNORE_THIS */
   172 
   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
   180 
   181 #ifdef HAVE_MALLOC
   182 #define SDL_malloc	malloc
   183 #else
   184 extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
   185 #endif
   186 
   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
   192 
   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
   198 
   199 #ifdef HAVE_FREE
   200 #define SDL_free	free
   201 #else
   202 extern DECLSPEC void SDLCALL SDL_free(void *mem);
   203 #endif
   204 
   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(__AIX__)
   216 #pragma alloca
   217 # elif defined(__MRC__)
   218 void *alloca(unsigned);
   219 # else
   220 char *alloca();
   221 # endif
   222 #endif
   223 #ifdef HAVE_ALLOCA
   224 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*count)
   225 #define SDL_stack_free(data)
   226 #else
   227 #define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*count)
   228 #define SDL_stack_free(data)            SDL_free(data)
   229 #endif
   230 
   231 #ifdef HAVE_GETENV
   232 #define SDL_getenv	getenv
   233 #else
   234 extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
   235 #endif
   236 
   237 #ifdef HAVE_PUTENV
   238 #define SDL_putenv	putenv
   239 #else
   240 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
   241 #endif
   242 
   243 #ifdef HAVE_QSORT
   244 #define SDL_qsort	qsort
   245 #else
   246 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
   247                                        int (*compare) (const void *,
   248                                                        const void *));
   249 #endif
   250 
   251 #ifdef HAVE_ABS
   252 #define SDL_abs		abs
   253 #else
   254 #define SDL_abs(X)	((X) < 0 ? -(X) : (X))
   255 #endif
   256 
   257 #define SDL_min(x, y)	(((x) < (y)) ? (x) : (y))
   258 #define SDL_max(x, y)	(((x) > (y)) ? (x) : (y))
   259 
   260 #ifdef HAVE_CTYPE_H
   261 #define SDL_isdigit(X)  isdigit(X)
   262 #define SDL_isspace(X)  isspace(X)
   263 #define SDL_toupper(X)  toupper(X)
   264 #define SDL_tolower(X)  tolower(X)
   265 #else
   266 #define SDL_isdigit(X)  (((X) >= '0') && ((X) <= '9'))
   267 #define SDL_isspace(X)  (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
   268 #define SDL_toupper(X)  (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
   269 #define SDL_tolower(X)  (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
   270 #endif
   271 
   272 #ifdef HAVE_MEMSET
   273 #define SDL_memset      memset
   274 #else
   275 extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);
   276 #endif
   277 #define SDL_zero(x)	SDL_memset(&(x), 0, sizeof((x)))
   278 #define SDL_zerop(x)	SDL_memset((x), 0, sizeof(*(x)))
   279 
   280 #if defined(__GNUC__) && defined(i386)
   281 #define SDL_memset4(dst, val, len)				\
   282 do {								\
   283 	int u0, u1, u2;						\
   284 	__asm__ __volatile__ (					\
   285 		"cld\n\t"					\
   286 		"rep ; stosl\n\t"				\
   287 		: "=&D" (u0), "=&a" (u1), "=&c" (u2)		\
   288 		: "0" (dst), "1" (val), "2" ((Uint32)(len))	\
   289 		: "memory" );					\
   290 } while(0)
   291 #endif
   292 #ifndef SDL_memset4
   293 #define SDL_memset4(dst, val, len)		\
   294 do {						\
   295 	unsigned _count = (len);		\
   296 	unsigned _n = (_count + 3) / 4;		\
   297 	Uint32 *_p = (Uint32 *)(dst);		\
   298 	Uint32 _val = (val);			\
   299         switch (_count % 4) {			\
   300         case 0: do {    *_p++ = _val;		\
   301         case 3:         *_p++ = _val;		\
   302         case 2:         *_p++ = _val;		\
   303         case 1:         *_p++ = _val;		\
   304 		} while ( --_n );		\
   305 	}					\
   306 } while(0)
   307 #endif
   308 
   309 #if defined(__GNUC__) && defined(i386)
   310 #define SDL_memcpy(dst, src, len)					  \
   311 do {									  \
   312 	int u0, u1, u2;						  	  \
   313 	__asm__ __volatile__ (						  \
   314 		"cld\n\t"						  \
   315 		"rep ; movsl\n\t"					  \
   316 		"testb $2,%b4\n\t"					  \
   317 		"je 1f\n\t"						  \
   318 		"movsw\n"						  \
   319 		"1:\ttestb $1,%b4\n\t"					  \
   320 		"je 2f\n\t"						  \
   321 		"movsb\n"						  \
   322 		"2:"							  \
   323 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)			  \
   324 		: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \
   325 		: "memory" );						  \
   326 } while(0)
   327 #endif
   328 #ifndef SDL_memcpy
   329 #ifdef HAVE_MEMCPY
   330 #define SDL_memcpy      memcpy
   331 #elif defined(HAVE_BCOPY)
   332 #define SDL_memcpy(d, s, n)	bcopy((s), (d), (n))
   333 #else
   334 extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src,
   335                                          size_t len);
   336 #endif
   337 #endif
   338 
   339 #if defined(__GNUC__) && defined(i386)
   340 #define SDL_memcpy4(dst, src, len)				\
   341 do {								\
   342 	int ecx, edi, esi;					\
   343 	__asm__ __volatile__ (					\
   344 		"cld\n\t"					\
   345 		"rep ; movsl"					\
   346 		: "=&c" (ecx), "=&D" (edi), "=&S" (esi)		\
   347 		: "0" ((unsigned)(len)), "1" (dst), "2" (src)	\
   348 		: "memory" );					\
   349 } while(0)
   350 #endif
   351 #ifndef SDL_memcpy4
   352 #define SDL_memcpy4(dst, src, len)	SDL_memcpy(dst, src, (len) << 2)
   353 #endif
   354 
   355 #if defined(__GNUC__) && defined(i386)
   356 #define SDL_revcpy(dst, src, len)			\
   357 do {							\
   358 	int u0, u1, u2;					\
   359 	char *dstp = (char *)(dst);			\
   360 	char *srcp = (char *)(src);			\
   361 	int n = (len);					\
   362 	if ( n >= 4 ) {					\
   363 	__asm__ __volatile__ (				\
   364 		"std\n\t"				\
   365 		"rep ; movsl\n\t"			\
   366 		: "=&c" (u0), "=&D" (u1), "=&S" (u2)	\
   367 		: "0" (n >> 2),				\
   368 		  "1" (dstp+(n-4)), "2" (srcp+(n-4))	\
   369 		: "memory" );				\
   370 	}						\
   371 	switch (n & 3) {				\
   372 		case 3: dstp[2] = srcp[2];		\
   373 		case 2: dstp[1] = srcp[1];		\
   374 		case 1: dstp[0] = srcp[0];		\
   375 			break;				\
   376 		default:				\
   377 			break;				\
   378 	}						\
   379 } while(0)
   380 #endif
   381 #ifndef SDL_revcpy
   382 extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src,
   383                                          size_t len);
   384 #endif
   385 
   386 #ifdef HAVE_MEMMOVE
   387 #define SDL_memmove     memmove
   388 #elif defined(HAVE_BCOPY)
   389 #define SDL_memmove(d, s, n)	bcopy((s), (d), (n))
   390 #else
   391 #define SDL_memmove(dst, src, len)			\
   392 do {							\
   393 	if ( dst < src ) {				\
   394 		SDL_memcpy(dst, src, len);		\
   395 	} else {					\
   396 		SDL_revcpy(dst, src, len);		\
   397 	}						\
   398 } while(0)
   399 #endif
   400 
   401 #ifdef HAVE_MEMCMP
   402 #define SDL_memcmp      memcmp
   403 #else
   404 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2,
   405                                        size_t len);
   406 #endif
   407 
   408 #ifdef HAVE_STRLEN
   409 #define SDL_strlen      strlen
   410 #else
   411 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
   412 #endif
   413 
   414 #ifdef HAVE_STRLCPY
   415 #define SDL_strlcpy     strlcpy
   416 #else
   417 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src,
   418                                            size_t maxlen);
   419 #endif
   420 
   421 #ifdef HAVE_STRLCAT
   422 #define SDL_strlcat    strlcat
   423 #else
   424 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src,
   425                                            size_t maxlen);
   426 #endif
   427 
   428 #ifdef HAVE_STRDUP
   429 #define SDL_strdup     strdup
   430 #else
   431 extern DECLSPEC char *SDLCALL SDL_strdup(const char *string);
   432 #endif
   433 
   434 #ifdef HAVE__STRREV
   435 #define SDL_strrev      _strrev
   436 #else
   437 extern DECLSPEC char *SDLCALL SDL_strrev(char *string);
   438 #endif
   439 
   440 #ifdef HAVE__STRUPR
   441 #define SDL_strupr      _strupr
   442 #else
   443 extern DECLSPEC char *SDLCALL SDL_strupr(char *string);
   444 #endif
   445 
   446 #ifdef HAVE__STRLWR
   447 #define SDL_strlwr      _strlwr
   448 #else
   449 extern DECLSPEC char *SDLCALL SDL_strlwr(char *string);
   450 #endif
   451 
   452 #ifdef HAVE_STRCHR
   453 #define SDL_strchr      strchr
   454 #elif defined(HAVE_INDEX)
   455 #define SDL_strchr      index
   456 #else
   457 extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c);
   458 #endif
   459 
   460 #ifdef HAVE_STRRCHR
   461 #define SDL_strrchr     strrchr
   462 #elif defined(HAVE_RINDEX)
   463 #define SDL_strrchr     rindex
   464 #else
   465 extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c);
   466 #endif
   467 
   468 #ifdef HAVE_STRSTR
   469 #define SDL_strstr      strstr
   470 #else
   471 extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack,
   472                                          const char *needle);
   473 #endif
   474 
   475 #ifdef HAVE_ITOA
   476 #define SDL_itoa        itoa
   477 #else
   478 #define SDL_itoa(value, string, radix)	SDL_ltoa((long)value, string, radix)
   479 #endif
   480 
   481 #ifdef HAVE__LTOA
   482 #define SDL_ltoa        _ltoa
   483 #else
   484 extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix);
   485 #endif
   486 
   487 #ifdef HAVE__UITOA
   488 #define SDL_uitoa       _uitoa
   489 #else
   490 #define SDL_uitoa(value, string, radix)	SDL_ultoa((long)value, string, radix)
   491 #endif
   492 
   493 #ifdef HAVE__ULTOA
   494 #define SDL_ultoa       _ultoa
   495 #else
   496 extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string,
   497                                         int radix);
   498 #endif
   499 
   500 #ifdef HAVE_STRTOL
   501 #define SDL_strtol      strtol
   502 #else
   503 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp,
   504                                         int base);
   505 #endif
   506 
   507 #ifdef HAVE_STRTOUL
   508 #define SDL_strtoul      strtoul
   509 #else
   510 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string,
   511                                                   char **endp, int base);
   512 #endif
   513 
   514 #ifdef SDL_HAS_64BIT_TYPE
   515 
   516 #ifdef HAVE__I64TOA
   517 #define SDL_lltoa       _i64toa
   518 #else
   519 extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string,
   520                                         int radix);
   521 #endif
   522 
   523 #ifdef HAVE__UI64TOA
   524 #define SDL_ulltoa      _ui64toa
   525 #else
   526 extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string,
   527                                          int radix);
   528 #endif
   529 
   530 #ifdef HAVE_STRTOLL
   531 #define SDL_strtoll     strtoll
   532 #else
   533 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp,
   534                                            int base);
   535 #endif
   536 
   537 #ifdef HAVE_STRTOULL
   538 #define SDL_strtoull     strtoull
   539 #else
   540 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp,
   541                                             int base);
   542 #endif
   543 
   544 #endif /* SDL_HAS_64BIT_TYPE */
   545 
   546 #ifdef HAVE_STRTOD
   547 #define SDL_strtod      strtod
   548 #else
   549 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);
   550 #endif
   551 
   552 #ifdef HAVE_ATOI
   553 #define SDL_atoi        atoi
   554 #else
   555 #define SDL_atoi(X)     SDL_strtol(X, NULL, 0)
   556 #endif
   557 
   558 #ifdef HAVE_ATOF
   559 #define SDL_atof        atof
   560 #else
   561 #define SDL_atof(X)     SDL_strtod(X, NULL)
   562 #endif
   563 
   564 #ifdef HAVE_STRCMP
   565 #define SDL_strcmp      strcmp
   566 #else
   567 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
   568 #endif
   569 
   570 #ifdef HAVE_STRNCMP
   571 #define SDL_strncmp     strncmp
   572 #else
   573 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2,
   574                                         size_t maxlen);
   575 #endif
   576 
   577 #ifdef HAVE_STRCASECMP
   578 #define SDL_strcasecmp  strcasecmp
   579 #elif defined(HAVE__STRICMP)
   580 #define SDL_strcasecmp  _stricmp
   581 #else
   582 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1,
   583                                            const char *str2);
   584 #endif
   585 
   586 #ifdef HAVE_STRNCASECMP
   587 #define SDL_strncasecmp strncasecmp
   588 #elif defined(HAVE__STRNICMP)
   589 #define SDL_strncasecmp _strnicmp
   590 #else
   591 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1,
   592                                             const char *str2, size_t maxlen);
   593 #endif
   594 
   595 #ifdef HAVE_SSCANF
   596 #define SDL_sscanf      sscanf
   597 #else
   598 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt,
   599                                        ...);
   600 #endif
   601 
   602 #ifdef HAVE_SNPRINTF
   603 #define SDL_snprintf    snprintf
   604 #else
   605 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen,
   606                                          const char *fmt, ...);
   607 #endif
   608 
   609 #ifdef HAVE_VSNPRINTF
   610 #define SDL_vsnprintf   vsnprintf
   611 #else
   612 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen,
   613                                           const char *fmt, va_list ap);
   614 #endif
   615 
   616 /* The SDL implementation of iconv() returns these error codes */
   617 #define SDL_ICONV_ERROR		(size_t)-1
   618 #define SDL_ICONV_E2BIG		(size_t)-2
   619 #define SDL_ICONV_EILSEQ	(size_t)-3
   620 #define SDL_ICONV_EINVAL	(size_t)-4
   621 
   622 #ifdef HAVE_ICONV
   623 #define SDL_iconv_t     iconv_t
   624 #define SDL_iconv_open  iconv_open
   625 #define SDL_iconv_close iconv_close
   626 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf,
   627                                          size_t * inbytesleft, char **outbuf,
   628                                          size_t * outbytesleft);
   629 #else
   630 typedef struct _SDL_iconv_t *SDL_iconv_t;
   631 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
   632                                                    const char *fromcode);
   633 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
   634 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf,
   635                                          size_t * inbytesleft, char **outbuf,
   636                                          size_t * outbytesleft);
   637 #endif
   638 /* This function converts a string between encodings in one pass, returning a
   639    string that must be freed with SDL_free() or NULL on error.
   640 */
   641 extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode,
   642                                                const char *fromcode,
   643                                                char *inbuf,
   644                                                size_t inbytesleft);
   645 #define SDL_iconv_utf8_ascii(S)		SDL_iconv_string("ASCII", "UTF-8", S, SDL_strlen(S)+1)
   646 #define SDL_iconv_utf8_latin1(S)	SDL_iconv_string("LATIN1", "UTF-8", S, SDL_strlen(S)+1)
   647 #define SDL_iconv_utf8_ucs2(S)		(Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
   648 #define SDL_iconv_utf8_ucs4(S)		(Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
   649 
   650 /* Ends C function definitions when using C++ */
   651 #ifdef __cplusplus
   652 /* *INDENT-OFF* */
   653 }
   654 /* *INDENT-ON* */
   655 #endif
   656 #include "close_code.h"
   657 
   658 #endif /* _SDL_stdinc_h */
   659 
   660 /* vi: set ts=4 sw=4 expandtab: */