764 lines
20 KiB
C
764 lines
20 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_stdinc.h
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*
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* This is a general header that includes C language support.
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*/
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#ifndef _SDL_stdinc_h
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#define _SDL_stdinc_h
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#include "SDL_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_STDIO_H
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#include <stdio.h>
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#endif
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#if defined(STDC_HEADERS)
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# include <stdlib.h>
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# include <stddef.h>
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# include <stdarg.h>
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#else
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# if defined(HAVE_STDLIB_H)
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# include <stdlib.h>
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# elif defined(HAVE_MALLOC_H)
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# include <malloc.h>
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# endif
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# if defined(HAVE_STDDEF_H)
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# include <stddef.h>
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# endif
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# if defined(HAVE_STDARG_H)
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# include <stdarg.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
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# include <memory.h>
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# endif
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#if defined(HAVE_INTTYPES_H)
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# include <inttypes.h>
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#elif defined(HAVE_STDINT_H)
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# include <stdint.h>
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#endif
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#ifdef HAVE_CTYPE_H
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# include <ctype.h>
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#endif
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#ifdef HAVE_MATH_H
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# include <math.h>
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#endif
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#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
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# include <iconv.h>
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#endif
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/**
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* The number of elements in an array.
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*/
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#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
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#define SDL_TABLESIZE(table) SDL_arraysize(table)
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/**
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* \name Cast operators
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*
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* Use proper C++ casts when compiled as C++ to be compatible with the option
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* -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above).
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*/
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/*@{*/
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#ifdef __cplusplus
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#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression)
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#define SDL_static_cast(type, expression) static_cast<type>(expression)
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#else
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#define SDL_reinterpret_cast(type, expression) ((type)(expression))
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#define SDL_static_cast(type, expression) ((type)(expression))
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#endif
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/*@}*//*Cast operators*/
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/* Define a four character code as a Uint32 */
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#define SDL_FOURCC(A, B, C, D) \
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((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \
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(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \
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(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \
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(SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24))
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/**
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* \name Basic data types
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*/
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/*@{*/
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typedef enum
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{
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SDL_FALSE = 0,
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SDL_TRUE = 1
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} SDL_bool;
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/**
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* \brief A signed 8-bit integer type.
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*/
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typedef int8_t Sint8;
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/**
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* \brief An unsigned 8-bit integer type.
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*/
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typedef uint8_t Uint8;
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/**
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* \brief A signed 16-bit integer type.
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*/
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typedef int16_t Sint16;
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/**
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* \brief An unsigned 16-bit integer type.
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*/
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typedef uint16_t Uint16;
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/**
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* \brief A signed 32-bit integer type.
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*/
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typedef int32_t Sint32;
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/**
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* \brief An unsigned 32-bit integer type.
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*/
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typedef uint32_t Uint32;
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/**
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* \brief A signed 64-bit integer type.
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*/
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typedef int64_t Sint64;
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/**
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* \brief An unsigned 64-bit integer type.
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*/
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typedef uint64_t Uint64;
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/*@}*//*Basic data types*/
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#define SDL_COMPILE_TIME_ASSERT(name, x) \
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typedef int SDL_dummy_ ## name[(x) * 2 - 1]
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/** \cond */
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#ifndef DOXYGEN_SHOULD_IGNORE_THIS
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SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
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SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
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SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
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SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
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SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
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SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
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SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
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SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
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#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
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/** \endcond */
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/* Check to make sure enums are the size of ints, for structure packing.
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For both Watcom C/C++ and Borland C/C++ the compiler option that makes
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enums having the size of an int must be enabled.
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This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
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*/
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/* Enable enums always int in CodeWarrior (for MPW use "-enum int") */
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#ifdef __MWERKS__
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#pragma enumsalwaysint on
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#endif
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/** \cond */
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#ifndef DOXYGEN_SHOULD_IGNORE_THIS
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#if !defined(__NINTENDODS__) && !defined(__ANDROID__)
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/* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */
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typedef enum
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{
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DUMMY_ENUM_VALUE
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} SDL_DUMMY_ENUM;
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SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
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#endif
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#endif /* DOXYGEN_SHOULD_IGNORE_THIS */
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/** \endcond */
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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#ifdef HAVE_MALLOC
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#define SDL_malloc malloc
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#else
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extern DECLSPEC void *SDLCALL SDL_malloc(size_t size);
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#endif
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#ifdef HAVE_CALLOC
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#define SDL_calloc calloc
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#else
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extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size);
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#endif
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#ifdef HAVE_REALLOC
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#define SDL_realloc realloc
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#else
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extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size);
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#endif
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#ifdef HAVE_FREE
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#define SDL_free free
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#else
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extern DECLSPEC void SDLCALL SDL_free(void *mem);
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#endif
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#if defined(HAVE_ALLOCA) && !defined(alloca)
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# if defined(HAVE_ALLOCA_H)
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# include <alloca.h>
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# elif defined(__GNUC__)
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# define alloca __builtin_alloca
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# elif defined(_MSC_VER)
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# include <malloc.h>
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# define alloca _alloca
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# elif defined(__WATCOMC__)
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# include <malloc.h>
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# elif defined(__BORLANDC__)
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# include <malloc.h>
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# elif defined(__DMC__)
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# include <stdlib.h>
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# elif defined(__AIX__)
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#pragma alloca
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# elif defined(__MRC__)
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void *alloca(unsigned);
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# else
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char *alloca();
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# endif
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#endif
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#ifdef HAVE_ALLOCA
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#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
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#define SDL_stack_free(data)
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#else
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#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
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#define SDL_stack_free(data) SDL_free(data)
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#endif
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#ifdef HAVE_GETENV
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#define SDL_getenv getenv
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#else
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extern DECLSPEC char *SDLCALL SDL_getenv(const char *name);
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#endif
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/* SDL_putenv() has moved to SDL_compat. */
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#ifdef HAVE_SETENV
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#define SDL_setenv setenv
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#else
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extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value,
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int overwrite);
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#endif
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#ifdef HAVE_QSORT
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#define SDL_qsort qsort
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#else
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extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
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int (*compare) (const void *,
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const void *));
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#endif
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#ifdef HAVE_ABS
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#define SDL_abs abs
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#else
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#define SDL_abs(X) ((X) < 0 ? -(X) : (X))
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#endif
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#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
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#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
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#ifdef HAVE_CTYPE_H
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#define SDL_isdigit(X) isdigit(X)
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#define SDL_isspace(X) isspace(X)
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#define SDL_toupper(X) toupper(X)
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#define SDL_tolower(X) tolower(X)
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#else
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#define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9'))
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#define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
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#define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
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#define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
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#endif
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#ifdef HAVE_MEMSET
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#define SDL_memset memset
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#else
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extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len);
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#endif
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#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x)))
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#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x)))
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#if defined(__GNUC__) && defined(i386)
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#define SDL_memset4(dst, val, len) \
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do { \
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int u0, u1, u2; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; stosl\n\t" \
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: "=&D" (u0), "=&a" (u1), "=&c" (u2) \
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: "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len)) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memset4
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#define SDL_memset4(dst, val, len) \
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do { \
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unsigned _count = (len); \
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unsigned _n = (_count + 3) / 4; \
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Uint32 *_p = SDL_static_cast(Uint32 *, dst); \
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Uint32 _val = (val); \
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if (len == 0) break; \
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switch (_count % 4) { \
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case 0: do { *_p++ = _val; \
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case 3: *_p++ = _val; \
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case 2: *_p++ = _val; \
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case 1: *_p++ = _val; \
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} while ( --_n ); \
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} \
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} while(0)
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#endif
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/* We can count on memcpy existing on Mac OS X and being well-tuned. */
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#if defined(__MACOSX__)
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#define SDL_memcpy memcpy
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#elif defined(__GNUC__) && defined(i386)
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#define SDL_memcpy(dst, src, len) \
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do { \
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int u0, u1, u2; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; movsl\n\t" \
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"testb $2,%b4\n\t" \
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"je 1f\n\t" \
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"movsw\n" \
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"1:\ttestb $1,%b4\n\t" \
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"je 2f\n\t" \
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"movsb\n" \
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"2:" \
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: "=&c" (u0), "=&D" (u1), "=&S" (u2) \
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: "0" (SDL_static_cast(unsigned, len)/4), "q" (len), "1" (dst),"2" (src) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memcpy
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#ifdef HAVE_MEMCPY
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#define SDL_memcpy memcpy
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#elif defined(HAVE_BCOPY)
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#define SDL_memcpy(d, s, n) bcopy((s), (d), (n))
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#else
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extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src,
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size_t len);
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#endif
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#endif
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/* We can count on memcpy existing on Mac OS X and being well-tuned. */
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#if defined(__MACOSX__)
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#define SDL_memcpy4(dst, src, len) SDL_memcpy((dst), (src), (len) << 2)
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#elif defined(__GNUC__) && defined(i386)
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#define SDL_memcpy4(dst, src, len) \
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do { \
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int ecx, edi, esi; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; movsl" \
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: "=&c" (ecx), "=&D" (edi), "=&S" (esi) \
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: "0" (SDL_static_cast(unsigned, len)), "1" (dst), "2" (src) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memcpy4
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#define SDL_memcpy4(dst, src, len) SDL_memcpy((dst), (src), (len) << 2)
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#endif
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#ifdef HAVE_MEMMOVE
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#define SDL_memmove memmove
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#else
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extern DECLSPEC void *SDLCALL SDL_memmove(void *dst, const void *src,
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size_t len);
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#endif
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#ifdef HAVE_MEMCMP
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#define SDL_memcmp memcmp
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#else
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extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2,
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size_t len);
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#endif
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#ifdef HAVE_STRLEN
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#define SDL_strlen strlen
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#else
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extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
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#endif
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#ifdef HAVE_WCSLEN
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#define SDL_wcslen wcslen
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#else
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#if !defined(wchar_t) && defined(__NINTENDODS__)
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#define wchar_t short /* TODO: figure out why libnds doesn't have this */
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#endif
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extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string);
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#endif
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#ifdef HAVE_WCSLCPY
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#define SDL_wcslcpy wcslcpy
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#else
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extern DECLSPEC size_t SDLCALL SDL_wcslcpy(wchar_t *dst, const wchar_t *src, size_t maxlen);
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#endif
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#ifdef HAVE_WCSLCAT
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#define SDL_wcslcat wcslcat
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|
#else
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extern DECLSPEC size_t SDLCALL SDL_wcslcat(wchar_t *dst, const wchar_t *src, size_t maxlen);
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#endif
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#ifdef HAVE_STRLCPY
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#define SDL_strlcpy strlcpy
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|
#else
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|
extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src,
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|
size_t maxlen);
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|
#endif
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|
extern DECLSPEC size_t SDLCALL SDL_utf8strlcpy(char *dst, const char *src,
|
|
size_t dst_bytes);
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|
|
#ifdef HAVE_STRLCAT
|
|
#define SDL_strlcat strlcat
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|
#else
|
|
extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src,
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|
size_t maxlen);
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|
#endif
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|
|
#ifdef HAVE_STRDUP
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|
#define SDL_strdup strdup
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|
#else
|
|
extern DECLSPEC char *SDLCALL SDL_strdup(const char *string);
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|
#endif
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|
|
#ifdef HAVE__STRREV
|
|
#define SDL_strrev _strrev
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|
#else
|
|
extern DECLSPEC char *SDLCALL SDL_strrev(char *string);
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|
#endif
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|
|
#ifdef HAVE__STRUPR
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|
#define SDL_strupr _strupr
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|
#else
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extern DECLSPEC char *SDLCALL SDL_strupr(char *string);
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#endif
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|
|
#ifdef HAVE__STRLWR
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|
#define SDL_strlwr _strlwr
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|
#else
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|
extern DECLSPEC char *SDLCALL SDL_strlwr(char *string);
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|
#endif
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|
|
#ifdef HAVE_STRCHR
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|
#define SDL_strchr strchr
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|
#elif defined(HAVE_INDEX)
|
|
#define SDL_strchr index
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|
#else
|
|
extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c);
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|
#endif
|
|
|
|
#ifdef HAVE_STRRCHR
|
|
#define SDL_strrchr strrchr
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|
#elif defined(HAVE_RINDEX)
|
|
#define SDL_strrchr rindex
|
|
#else
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|
extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c);
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|
#endif
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|
|
#ifdef HAVE_STRSTR
|
|
#define SDL_strstr strstr
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|
#else
|
|
extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack,
|
|
const char *needle);
|
|
#endif
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|
|
#ifdef HAVE_ITOA
|
|
#define SDL_itoa itoa
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|
#else
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|
#define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix)
|
|
#endif
|
|
|
|
#ifdef HAVE__LTOA
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|
#define SDL_ltoa _ltoa
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|
#else
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|
extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix);
|
|
#endif
|
|
|
|
#ifdef HAVE__UITOA
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|
#define SDL_uitoa _uitoa
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|
#else
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|
#define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix)
|
|
#endif
|
|
|
|
#ifdef HAVE__ULTOA
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|
#define SDL_ultoa _ultoa
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|
#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 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
|
|
|
|
#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
|
|
|
|
#ifndef HAVE_M_PI
|
|
#define M_PI 3.14159265358979323846264338327950288 /* pi */
|
|
#endif
|
|
|
|
#ifdef HAVE_ATAN
|
|
#define SDL_atan atan
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_atan(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_ATAN2
|
|
#define SDL_atan2 atan2
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_atan2(double y, double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_CEIL
|
|
#define SDL_ceil ceil
|
|
#else
|
|
#define SDL_ceil(x) ((double)(int)((x)+0.5))
|
|
#endif
|
|
|
|
#ifdef HAVE_COPYSIGN
|
|
#define SDL_copysign copysign
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
|
|
#endif
|
|
|
|
#ifdef HAVE_COS
|
|
#define SDL_cos cos
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_cos(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_COSF
|
|
#define SDL_cosf cosf
|
|
#else
|
|
#define SDL_cosf(x) (float)SDL_cos((double)x)
|
|
#endif
|
|
|
|
#ifdef HAVE_FABS
|
|
#define SDL_fabs fabs
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_fabs(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_FLOOR
|
|
#define SDL_floor floor
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_floor(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_LOG
|
|
#define SDL_log log
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_log(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_POW
|
|
#define SDL_pow pow
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
|
|
#endif
|
|
|
|
#ifdef HAVE_SCALBN
|
|
#define SDL_scalbn scalbn
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
|
|
#endif
|
|
|
|
#ifdef HAVE_SIN
|
|
#define SDL_sin sin
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_sin(double x);
|
|
#endif
|
|
|
|
#ifdef HAVE_SINF
|
|
#define SDL_sinf sinf
|
|
#else
|
|
#define SDL_sinf(x) (float)SDL_sin((double)x)
|
|
#endif
|
|
|
|
#ifdef HAVE_SQRT
|
|
#define SDL_sqrt sqrt
|
|
#else
|
|
extern DECLSPEC double SDLCALL SDL_sqrt(double x);
|
|
#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
|
|
|
|
#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
|
|
#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: */
|