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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2009 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 |
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23 /** @file SDL_stdinc.h |
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24 * This is a general header that includes C language support |
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25 */ |
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26 |
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27 #ifndef _SDL_stdinc_h |
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28 #define _SDL_stdinc_h |
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29 |
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30 #include "SDL_config.h" |
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31 |
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32 |
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33 #ifdef HAVE_SYS_TYPES_H |
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34 #include <sys/types.h> |
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35 #endif |
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36 #ifdef HAVE_STDIO_H |
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37 #include <stdio.h> |
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38 #endif |
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39 #if defined(STDC_HEADERS) |
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40 # include <stdlib.h> |
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41 # include <stddef.h> |
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42 # include <stdarg.h> |
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43 #else |
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44 # if defined(HAVE_STDLIB_H) |
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45 # include <stdlib.h> |
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46 # elif defined(HAVE_MALLOC_H) |
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47 # include <malloc.h> |
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48 # endif |
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49 # if defined(HAVE_STDDEF_H) |
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50 # include <stddef.h> |
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51 # endif |
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52 # if defined(HAVE_STDARG_H) |
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53 # include <stdarg.h> |
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54 # endif |
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55 #endif |
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56 #ifdef HAVE_STRING_H |
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57 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) |
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58 # include <memory.h> |
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59 # endif |
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60 # include <string.h> |
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61 #endif |
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62 #ifdef HAVE_STRINGS_H |
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63 # include <strings.h> |
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64 #endif |
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65 #if defined(HAVE_INTTYPES_H) |
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66 # include <inttypes.h> |
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67 #elif defined(HAVE_STDINT_H) |
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68 # include <stdint.h> |
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69 #endif |
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70 #ifdef HAVE_CTYPE_H |
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71 # include <ctype.h> |
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72 #endif |
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73 #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) |
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74 # include <iconv.h> |
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75 #endif |
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76 |
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77 /** The number of elements in an array */ |
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78 #define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) |
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79 #define SDL_TABLESIZE(table) SDL_arraysize(table) |
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80 |
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81 /* Use proper C++ casts when compiled as C++ to be compatible with the option |
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82 -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above. */ |
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83 #ifdef __cplusplus |
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84 #define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression) |
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85 #define SDL_static_cast(type, expression) static_cast<type>(expression) |
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86 #else |
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87 #define SDL_reinterpret_cast(type, expression) ((type)(expression)) |
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88 #define SDL_static_cast(type, expression) ((type)(expression)) |
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89 #endif |
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90 |
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91 /** @name Basic data types */ |
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92 /*@{*/ |
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93 typedef enum { |
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94 SDL_FALSE = 0, |
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95 SDL_TRUE = 1 |
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96 } SDL_bool; |
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97 |
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98 typedef int8_t Sint8; |
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99 typedef uint8_t Uint8; |
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100 typedef int16_t Sint16; |
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101 typedef uint16_t Uint16; |
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102 typedef int32_t Sint32; |
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103 typedef uint32_t Uint32; |
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104 |
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105 #ifdef SDL_HAS_64BIT_TYPE |
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106 typedef int64_t Sint64; |
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107 #ifndef SYMBIAN32_GCCE |
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108 typedef uint64_t Uint64; |
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109 #endif |
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110 #else |
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111 /* This is really just a hack to prevent the compiler from complaining */ |
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112 typedef struct { |
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113 Uint32 hi; |
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114 Uint32 lo; |
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115 } Uint64, Sint64; |
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116 #endif |
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117 |
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118 /*@}*/ |
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119 |
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120 /** @name Make sure the types really have the right sizes */ |
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121 /*@{*/ |
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122 #define SDL_COMPILE_TIME_ASSERT(name, x) \ |
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123 typedef int SDL_dummy_ ## name[(x) * 2 - 1] |
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124 |
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125 SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); |
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126 SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); |
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127 SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); |
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128 SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); |
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129 SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); |
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130 SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); |
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131 SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); |
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132 SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); |
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133 /*@}*/ |
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134 |
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135 /** @name Enum Size Check |
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136 * Check to make sure enums are the size of ints, for structure packing. |
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137 * For both Watcom C/C++ and Borland C/C++ the compiler option that makes |
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138 * enums having the size of an int must be enabled. |
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139 * This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). |
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140 */ |
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141 /* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ |
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142 #ifdef __MWERKS__ |
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143 #pragma enumsalwaysint on |
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144 #endif |
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145 |
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146 typedef enum { |
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147 DUMMY_ENUM_VALUE |
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148 } SDL_DUMMY_ENUM; |
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149 |
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150 #ifndef __NDS__ |
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151 SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); |
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152 #endif |
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153 /*@}*/ |
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154 |
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155 #include "begin_code.h" |
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156 /* Set up for C function definitions, even when using C++ */ |
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157 #ifdef __cplusplus |
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158 extern "C" { |
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159 #endif |
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160 |
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161 #ifdef HAVE_MALLOC |
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162 #define SDL_malloc malloc |
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163 #else |
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164 extern DECLSPEC void * SDLCALL SDL_malloc(size_t size); |
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165 #endif |
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166 |
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167 #ifdef HAVE_CALLOC |
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168 #define SDL_calloc calloc |
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169 #else |
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170 extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size); |
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171 #endif |
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172 |
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173 #ifdef HAVE_REALLOC |
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174 #define SDL_realloc realloc |
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175 #else |
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176 extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size); |
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177 #endif |
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178 |
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179 #ifdef HAVE_FREE |
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180 #define SDL_free free |
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181 #else |
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182 extern DECLSPEC void SDLCALL SDL_free(void *mem); |
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183 #endif |
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184 |
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185 #if defined(HAVE_ALLOCA) && !defined(alloca) |
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186 # if defined(HAVE_ALLOCA_H) |
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187 # include <alloca.h> |
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188 # elif defined(__GNUC__) |
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189 # define alloca __builtin_alloca |
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190 # elif defined(_MSC_VER) |
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191 # include <malloc.h> |
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192 # define alloca _alloca |
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193 # elif defined(__WATCOMC__) |
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194 # include <malloc.h> |
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195 # elif defined(__BORLANDC__) |
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196 # include <malloc.h> |
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197 # elif defined(__DMC__) |
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198 # include <stdlib.h> |
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199 # elif defined(__AIX__) |
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200 #pragma alloca |
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201 # elif defined(__MRC__) |
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202 void *alloca (unsigned); |
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203 # else |
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204 char *alloca (); |
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205 # endif |
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206 #endif |
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207 #ifdef HAVE_ALLOCA |
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208 #define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) |
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209 #define SDL_stack_free(data) |
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210 #else |
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211 #define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) |
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212 #define SDL_stack_free(data) SDL_free(data) |
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213 #endif |
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214 |
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215 #ifdef HAVE_GETENV |
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216 #define SDL_getenv getenv |
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217 #else |
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218 extern DECLSPEC char * SDLCALL SDL_getenv(const char *name); |
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219 #endif |
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220 |
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221 #ifdef HAVE_PUTENV |
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222 #define SDL_putenv putenv |
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223 #else |
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224 extern DECLSPEC int SDLCALL SDL_putenv(const char *variable); |
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225 #endif |
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226 |
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227 #ifdef HAVE_QSORT |
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228 #define SDL_qsort qsort |
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229 #else |
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230 extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, |
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231 int (*compare)(const void *, const void *)); |
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232 #endif |
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233 |
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234 #ifdef HAVE_ABS |
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235 #define SDL_abs abs |
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236 #else |
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237 #define SDL_abs(X) ((X) < 0 ? -(X) : (X)) |
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238 #endif |
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239 |
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240 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) |
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241 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) |
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242 |
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243 #ifdef HAVE_CTYPE_H |
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244 #define SDL_isdigit(X) isdigit(X) |
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245 #define SDL_isspace(X) isspace(X) |
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246 #define SDL_toupper(X) toupper(X) |
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247 #define SDL_tolower(X) tolower(X) |
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248 #else |
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249 #define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) |
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250 #define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) |
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251 #define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) |
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252 #define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) |
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253 #endif |
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254 |
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255 #ifdef HAVE_MEMSET |
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256 #define SDL_memset memset |
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257 #else |
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258 extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); |
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259 #endif |
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260 |
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261 #if defined(__GNUC__) && defined(i386) |
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262 #define SDL_memset4(dst, val, len) \ |
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263 do { \ |
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264 int u0, u1, u2; \ |
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265 __asm__ __volatile__ ( \ |
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266 "cld\n\t" \ |
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267 "rep ; stosl\n\t" \ |
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268 : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ |
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269 : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len)) \ |
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270 : "memory" ); \ |
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271 } while(0) |
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272 #endif |
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273 #ifndef SDL_memset4 |
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274 #define SDL_memset4(dst, val, len) \ |
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275 do { \ |
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276 unsigned _count = (len); \ |
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277 unsigned _n = (_count + 3) / 4; \ |
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278 Uint32 *_p = SDL_static_cast(Uint32 *, dst); \ |
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279 Uint32 _val = (val); \ |
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280 if (len == 0) break; \ |
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281 switch (_count % 4) { \ |
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282 case 0: do { *_p++ = _val; \ |
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283 case 3: *_p++ = _val; \ |
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284 case 2: *_p++ = _val; \ |
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285 case 1: *_p++ = _val; \ |
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286 } while ( --_n ); \ |
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287 } \ |
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288 } while(0) |
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289 #endif |
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290 |
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291 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
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292 #if defined(__MACH__) && defined(__APPLE__) |
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293 #define SDL_memcpy(dst, src, len) memcpy(dst, src, len) |
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294 #elif defined(__GNUC__) && defined(i386) |
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295 #define SDL_memcpy(dst, src, len) \ |
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296 do { \ |
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297 int u0, u1, u2; \ |
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298 __asm__ __volatile__ ( \ |
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299 "cld\n\t" \ |
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300 "rep ; movsl\n\t" \ |
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301 "testb $2,%b4\n\t" \ |
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302 "je 1f\n\t" \ |
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303 "movsw\n" \ |
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304 "1:\ttestb $1,%b4\n\t" \ |
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305 "je 2f\n\t" \ |
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306 "movsb\n" \ |
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307 "2:" \ |
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308 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
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309 : "0" (SDL_static_cast(unsigned, len)/4), "q" (len), "1" (dst),"2" (src) \ |
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310 : "memory" ); \ |
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311 } while(0) |
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312 #endif |
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313 #ifndef SDL_memcpy |
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314 #ifdef HAVE_MEMCPY |
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315 #define SDL_memcpy memcpy |
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316 #elif defined(HAVE_BCOPY) |
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317 #define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) |
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318 #else |
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319 extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); |
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320 #endif |
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321 #endif |
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322 |
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323 /* We can count on memcpy existing on Mac OS X and being well-tuned. */ |
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324 #if defined(__MACH__) && defined(__APPLE__) |
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325 #define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) |
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326 #elif defined(__GNUC__) && defined(i386) |
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327 #define SDL_memcpy4(dst, src, len) \ |
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328 do { \ |
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329 int ecx, edi, esi; \ |
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330 __asm__ __volatile__ ( \ |
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331 "cld\n\t" \ |
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332 "rep ; movsl" \ |
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333 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ |
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334 : "0" (SDL_static_cast(unsigned, len)), "1" (dst), "2" (src) \ |
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335 : "memory" ); \ |
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336 } while(0) |
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337 #endif |
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338 #ifndef SDL_memcpy4 |
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339 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) |
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340 #endif |
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341 |
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342 #if defined(__GNUC__) && defined(i386) |
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343 #define SDL_revcpy(dst, src, len) \ |
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344 do { \ |
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345 int u0, u1, u2; \ |
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346 char *dstp = SDL_static_cast(char *, dst); \ |
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347 char *srcp = SDL_static_cast(char *, src); \ |
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348 int n = (len); \ |
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349 if ( n >= 4 ) { \ |
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350 __asm__ __volatile__ ( \ |
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351 "std\n\t" \ |
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352 "rep ; movsl\n\t" \ |
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353 "cld\n\t" \ |
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354 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
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355 : "0" (n >> 2), \ |
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356 "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ |
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357 : "memory" ); \ |
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358 } \ |
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359 switch (n & 3) { \ |
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360 case 3: dstp[2] = srcp[2]; \ |
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361 case 2: dstp[1] = srcp[1]; \ |
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362 case 1: dstp[0] = srcp[0]; \ |
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363 break; \ |
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364 default: \ |
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365 break; \ |
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366 } \ |
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367 } while(0) |
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368 #endif |
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369 #ifndef SDL_revcpy |
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370 extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); |
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371 #endif |
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372 |
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373 #ifdef HAVE_MEMMOVE |
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374 #define SDL_memmove memmove |
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375 #elif defined(HAVE_BCOPY) |
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376 #define SDL_memmove(d, s, n) bcopy((s), (d), (n)) |
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377 #else |
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378 #define SDL_memmove(dst, src, len) \ |
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379 do { \ |
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380 if ( dst < src ) { \ |
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381 SDL_memcpy(dst, src, len); \ |
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382 } else { \ |
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383 SDL_revcpy(dst, src, len); \ |
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384 } \ |
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385 } while(0) |
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386 #endif |
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387 |
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388 #ifdef HAVE_MEMCMP |
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389 #define SDL_memcmp memcmp |
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390 #else |
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391 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); |
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392 #endif |
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393 |
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394 #ifdef HAVE_STRLEN |
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395 #define SDL_strlen strlen |
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396 #else |
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397 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); |
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398 #endif |
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399 |
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400 #ifdef HAVE_STRLCPY |
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401 #define SDL_strlcpy strlcpy |
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402 #else |
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403 extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen); |
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404 #endif |
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405 |
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406 #ifdef HAVE_STRLCAT |
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407 #define SDL_strlcat strlcat |
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408 #else |
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409 extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen); |
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410 #endif |
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411 |
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412 #ifdef HAVE_STRDUP |
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413 #define SDL_strdup strdup |
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414 #else |
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415 extern DECLSPEC char * SDLCALL SDL_strdup(const char *string); |
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416 #endif |
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417 |
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418 #ifdef HAVE__STRREV |
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419 #define SDL_strrev _strrev |
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420 #else |
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421 extern DECLSPEC char * SDLCALL SDL_strrev(char *string); |
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422 #endif |
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423 |
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424 #ifdef HAVE__STRUPR |
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425 #define SDL_strupr _strupr |
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426 #else |
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427 extern DECLSPEC char * SDLCALL SDL_strupr(char *string); |
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428 #endif |
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429 |
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430 #ifdef HAVE__STRLWR |
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431 #define SDL_strlwr _strlwr |
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432 #else |
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433 extern DECLSPEC char * SDLCALL SDL_strlwr(char *string); |
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434 #endif |
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435 |
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436 #ifdef HAVE_STRCHR |
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437 #define SDL_strchr strchr |
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438 #elif defined(HAVE_INDEX) |
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439 #define SDL_strchr index |
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440 #else |
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441 extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c); |
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442 #endif |
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443 |
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444 #ifdef HAVE_STRRCHR |
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445 #define SDL_strrchr strrchr |
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446 #elif defined(HAVE_RINDEX) |
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447 #define SDL_strrchr rindex |
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448 #else |
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449 extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c); |
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450 #endif |
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451 |
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452 #ifdef HAVE_STRSTR |
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453 #define SDL_strstr strstr |
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454 #else |
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455 extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle); |
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456 #endif |
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457 |
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458 #ifdef HAVE_ITOA |
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459 #define SDL_itoa itoa |
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460 #else |
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461 #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) |
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462 #endif |
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463 |
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464 #ifdef HAVE__LTOA |
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465 #define SDL_ltoa _ltoa |
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466 #else |
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467 extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix); |
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468 #endif |
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469 |
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470 #ifdef HAVE__UITOA |
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471 #define SDL_uitoa _uitoa |
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472 #else |
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473 #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) |
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474 #endif |
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475 |
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476 #ifdef HAVE__ULTOA |
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477 #define SDL_ultoa _ultoa |
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478 #else |
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479 extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); |
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480 #endif |
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481 |
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482 #ifdef HAVE_STRTOL |
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483 #define SDL_strtol strtol |
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484 #else |
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485 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); |
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486 #endif |
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487 |
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488 #ifdef HAVE_STRTOUL |
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489 #define SDL_strtoul strtoul |
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490 #else |
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491 extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base); |
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492 #endif |
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493 |
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494 #ifdef SDL_HAS_64BIT_TYPE |
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495 |
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496 #ifdef HAVE__I64TOA |
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497 #define SDL_lltoa _i64toa |
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498 #else |
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499 extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); |
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500 #endif |
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501 |
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502 #ifdef HAVE__UI64TOA |
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503 #define SDL_ulltoa _ui64toa |
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504 #else |
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505 extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); |
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506 #endif |
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507 |
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508 #ifdef HAVE_STRTOLL |
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509 #define SDL_strtoll strtoll |
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510 #else |
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511 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); |
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512 #endif |
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513 |
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514 #ifdef HAVE_STRTOULL |
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515 #define SDL_strtoull strtoull |
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516 #else |
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517 extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base); |
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518 #endif |
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519 |
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520 #endif /* SDL_HAS_64BIT_TYPE */ |
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521 |
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522 #ifdef HAVE_STRTOD |
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523 #define SDL_strtod strtod |
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524 #else |
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525 extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); |
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526 #endif |
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527 |
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528 #ifdef HAVE_ATOI |
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529 #define SDL_atoi atoi |
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530 #else |
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531 #define SDL_atoi(X) SDL_strtol(X, NULL, 0) |
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532 #endif |
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533 |
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534 #ifdef HAVE_ATOF |
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535 #define SDL_atof atof |
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536 #else |
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537 #define SDL_atof(X) SDL_strtod(X, NULL) |
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538 #endif |
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539 |
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540 #ifdef HAVE_STRCMP |
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541 #define SDL_strcmp strcmp |
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542 #else |
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543 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); |
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544 #endif |
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545 |
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546 #ifdef HAVE_STRNCMP |
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547 #define SDL_strncmp strncmp |
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548 #else |
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549 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); |
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550 #endif |
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551 |
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552 #ifdef HAVE_STRCASECMP |
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553 #define SDL_strcasecmp strcasecmp |
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554 #elif defined(HAVE__STRICMP) |
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555 #define SDL_strcasecmp _stricmp |
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556 #else |
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557 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); |
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558 #endif |
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559 |
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560 #ifdef HAVE_STRNCASECMP |
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561 #define SDL_strncasecmp strncasecmp |
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562 #elif defined(HAVE__STRNICMP) |
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563 #define SDL_strncasecmp _strnicmp |
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564 #else |
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565 extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen); |
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566 #endif |
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567 |
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568 #ifdef HAVE_SSCANF |
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569 #define SDL_sscanf sscanf |
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570 #else |
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571 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); |
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572 #endif |
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573 |
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574 #ifdef HAVE_SNPRINTF |
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575 #define SDL_snprintf snprintf |
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576 #else |
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577 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); |
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578 #endif |
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579 |
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580 #ifdef HAVE_VSNPRINTF |
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581 #define SDL_vsnprintf vsnprintf |
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582 #else |
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583 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); |
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584 #endif |
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585 |
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586 /** @name SDL_ICONV Error Codes |
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587 * The SDL implementation of iconv() returns these error codes |
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588 */ |
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589 /*@{*/ |
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590 #define SDL_ICONV_ERROR (size_t)-1 |
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591 #define SDL_ICONV_E2BIG (size_t)-2 |
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592 #define SDL_ICONV_EILSEQ (size_t)-3 |
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593 #define SDL_ICONV_EINVAL (size_t)-4 |
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594 /*@}*/ |
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595 |
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596 #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) |
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597 #define SDL_iconv_t iconv_t |
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598 #define SDL_iconv_open iconv_open |
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599 #define SDL_iconv_close iconv_close |
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600 #else |
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601 typedef struct _SDL_iconv_t *SDL_iconv_t; |
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602 extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode); |
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603 extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); |
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604 #endif |
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605 extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); |
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606 /** This function converts a string between encodings in one pass, returning a |
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607 * string that must be freed with SDL_free() or NULL on error. |
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608 */ |
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609 extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft); |
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610 #define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) |
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611 #define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) |
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612 #define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) |
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613 |
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614 /* Ends C function definitions when using C++ */ |
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615 #ifdef __cplusplus |
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616 } |
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617 #endif |
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618 #include "close_code.h" |
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619 |
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620 #endif /* _SDL_stdinc_h */ |