Mercurial > sdl-ios-xcode
annotate include/SDL_string.h @ 1330:450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
using Visual C++ 2005
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 06 Feb 2006 08:28:51 +0000 |
| parents | |
| children | 3692456e7b0f |
| rev | line source |
|---|---|
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1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /* |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
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parents:
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2 SDL - Simple DirectMedia Layer |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
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3 Copyright (C) 1997-2006 Sam Lantinga |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
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4 |
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It's now possible to build SDL without any C runtime at all on Windows,
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5 This library is free software; you can redistribute it and/or |
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It's now possible to build SDL without any C runtime at all on Windows,
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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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It's now possible to build SDL without any C runtime at all on Windows,
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23 /* This file contains portable string manipulation functions for SDL */ |
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24 |
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25 #ifndef _SDL_string_h |
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26 #define _SDL_string_h |
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27 |
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28 #include "SDL_config.h" |
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29 |
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30 #ifdef HAVE_STDIO_H |
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31 #include <stdio.h> /* For snprintf() and friends */ |
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32 #endif |
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33 |
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34 #ifdef HAVE_STRING_H |
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35 #include <string.h> |
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36 #endif |
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37 |
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38 #include "SDL_types.h" |
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39 #include "SDL_stdarg.h" |
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40 |
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41 #include "begin_code.h" |
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42 /* Set up for C function definitions, even when using C++ */ |
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43 #ifdef __cplusplus |
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44 extern "C" { |
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45 #endif |
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46 |
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47 #ifndef HAVE_MEMSET |
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48 #define memset SDL_memset |
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49 #endif |
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50 #ifndef SDL_memset |
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51 extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len); |
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52 #endif |
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53 |
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54 #if defined(__GNUC__) && defined(i386) |
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55 #define SDL_memset4(dst, val, len) \ |
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56 do { \ |
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57 int u0, u1, u2; \ |
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58 __asm__ __volatile__ ( \ |
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59 "cld\n\t" \ |
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60 "rep ; stosl\n\t" \ |
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61 : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ |
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62 : "0" (dst), "1" (val), "2" ((Uint32)(len)) \ |
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63 : "memory" ); \ |
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64 } while(0) |
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65 #endif |
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66 #ifndef SDL_memset4 |
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67 #define SDL_memset4(dst, val, len) \ |
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68 do { \ |
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69 unsigned _count = (len); \ |
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70 unsigned _n = (_count + 3) / 4; \ |
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71 Uint32 *_p = (Uint32 *)(dst); \ |
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72 Uint32 _val = (val); \ |
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73 switch (_count % 4) { \ |
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74 case 0: do { *_p++ = _val; \ |
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75 case 3: *_p++ = _val; \ |
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76 case 2: *_p++ = _val; \ |
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77 case 1: *_p++ = _val; \ |
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78 } while ( --_n ); \ |
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79 } \ |
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80 } while(0) |
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81 #endif |
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82 |
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83 #if defined(__GNUC__) && defined(i386) |
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84 #define SDL_memcpy(dst, src, len) \ |
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85 do { \ |
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86 int u0, u1, u2; \ |
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87 __asm__ __volatile__ ( \ |
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88 "cld\n\t" \ |
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89 "rep ; movsl\n\t" \ |
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90 "testb $2,%b4\n\t" \ |
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91 "je 1f\n\t" \ |
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92 "movsw\n" \ |
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93 "1:\ttestb $1,%b4\n\t" \ |
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94 "je 2f\n\t" \ |
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95 "movsb\n" \ |
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96 "2:" \ |
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97 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
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98 : "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \ |
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99 : "memory" ); \ |
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100 } while(0) |
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101 #define SDL_memcpy4(dst, src, len) \ |
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102 do { \ |
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103 int ecx, edi, esi; \ |
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104 __asm__ __volatile__ ( \ |
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105 "cld\n\t" \ |
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106 "rep ; movsl" \ |
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107 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ |
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108 : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ |
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109 : "memory" ); \ |
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110 } while(0) |
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111 #endif |
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112 #ifndef HAVE_MEMCPY |
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113 #define memcpy SDL_memcpy |
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114 #endif |
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115 #ifndef SDL_memcpy |
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116 extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len); |
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117 #endif |
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118 |
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119 #if defined(__GNUC__) && defined(i386) |
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120 #define SDL_memcpy4(dst, src, len) \ |
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121 do { \ |
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122 int ecx, edi, esi; \ |
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123 __asm__ __volatile__ ( \ |
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124 "cld\n\t" \ |
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125 "rep ; movsl" \ |
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126 : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ |
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127 : "0" ((unsigned)(len)), "1" (dst), "2" (src) \ |
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128 : "memory" ); \ |
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129 } while(0) |
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130 #endif |
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131 #ifndef SDL_memcpy4 |
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132 #define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) |
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133 #endif |
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134 |
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135 #if defined(__GNUC__) && defined(i386) |
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136 #define SDL_revcpy(dst, src, len) \ |
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137 do { \ |
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138 int u0, u1, u2; \ |
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139 char *dstp = (char *)(dst); \ |
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140 char *srcp = (char *)(src); \ |
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141 int n = (len); \ |
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142 if ( n >= 4 ) { \ |
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143 __asm__ __volatile__ ( \ |
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144 "std\n\t" \ |
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145 "rep ; movsl\n\t" \ |
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146 : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ |
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147 : "0" (n >> 2), \ |
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148 "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ |
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149 : "memory" ); \ |
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150 } \ |
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151 switch (n & 3) { \ |
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152 case 3: dstp[2] = srcp[2]; \ |
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153 case 2: dstp[1] = srcp[1]; \ |
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154 case 1: dstp[0] = srcp[0]; \ |
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155 break; \ |
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156 default: \ |
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157 break; \ |
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158 } \ |
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159 } while(0) |
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160 #endif |
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161 #ifndef SDL_revcpy |
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162 extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len); |
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163 #endif |
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164 |
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165 #ifndef HAVE_MEMMOVE |
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166 #define memmove SDL_memmove |
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167 #endif |
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168 #define SDL_memmove(dst, src, len) \ |
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169 do { \ |
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170 if ( dst < src ) { \ |
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171 SDL_memcpy(dst, src, len); \ |
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172 } else { \ |
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173 SDL_revcpy(dst, src, len); \ |
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174 } \ |
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175 } while(0) |
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176 |
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177 #ifndef HAVE_MEMCMP |
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178 #define memcmp SDL_memcmp |
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179 #endif |
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180 #ifndef SDL_memcmp |
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181 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len); |
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182 #endif |
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183 |
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184 #ifdef HAVE_STRLEN |
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185 #define SDL_strlen strlen |
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186 #else |
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187 #define strlen SDL_strlen |
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188 extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); |
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189 #endif |
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190 |
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191 #ifdef HAVE_STRCPY |
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192 #define SDL_strcpy strcpy |
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193 #else |
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194 #define strcpy SDL_strcpy |
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195 extern DECLSPEC char * SDLCALL SDL_strcpy(char *dst, const char *src); |
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196 #endif |
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197 |
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198 #ifdef HAVE_STRNCPY |
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199 #define SDL_strncpy strncpy |
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200 #else |
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201 #define strncpy SDL_strncpy |
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202 extern DECLSPEC char * SDLCALL SDL_strncpy(char *dst, const char *src, size_t maxlen); |
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203 #endif |
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204 |
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205 #ifdef HAVE__STRREV |
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206 #define SDL_strrev _strrev |
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207 #else |
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208 #define _strrev SDL_strrev |
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209 extern DECLSPEC char * SDLCALL SDL_strrev(char *string); |
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210 #endif |
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211 |
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212 #ifdef HAVE__STRUPR |
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213 #define SDL_strupr _strupr |
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214 #else |
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215 #define _strupr SDL_strupr |
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216 extern DECLSPEC char * SDLCALL SDL_strupr(char *string); |
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217 #endif |
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218 |
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219 #ifdef HAVE__STRLWR |
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220 #define SDL_strlwr _strlwr |
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221 #else |
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222 #define _strlwr SDL_strlwr |
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223 extern DECLSPEC char * SDLCALL SDL_strlwr(char *string); |
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224 #endif |
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225 |
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226 #ifdef HAVE_STRCHR |
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227 #define SDL_strchr strchr |
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228 #else |
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229 #define strchr SDL_strchr |
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230 extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c); |
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231 #endif |
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232 |
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233 #ifdef HAVE_STRRCHR |
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234 #define SDL_strrchr strrchr |
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235 #else |
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236 #define strrchr SDL_strrchr |
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237 extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c); |
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238 #endif |
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239 |
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240 #ifdef HAVE_STRSTR |
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241 #define SDL_strstr strstr |
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242 #else |
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243 #define strstr SDL_strstr |
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244 extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle); |
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245 #endif |
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246 |
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247 #ifdef HAVE_ITOA |
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248 #define SDL_itoa itoa |
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249 #else |
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250 #define itoa SDL_itoa |
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251 #define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) |
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252 #endif |
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253 |
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254 #ifdef HAVE__LTOA |
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255 #define SDL_ltoa _ltoa |
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256 #else |
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257 #define _ltoa SDL_ltoa |
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258 extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix); |
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259 #endif |
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260 |
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261 #ifdef HAVE__UITOA |
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262 #define SDL_uitoa _uitoa |
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263 #else |
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264 #define _uitoa SDL_uitoa |
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265 #define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) |
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266 #endif |
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267 |
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268 #ifdef HAVE__ULTOA |
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269 #define SDL_ultoa _ultoa |
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270 #else |
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271 #define _ultoa SDL_ultoa |
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272 extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix); |
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273 #endif |
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274 |
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275 #ifdef HAVE_STRTOL |
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276 #define SDL_strtol strtol |
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277 #else |
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278 #define strtol SDL_strtol |
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279 extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base); |
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280 #endif |
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281 |
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282 #ifdef SDL_HAS_64BIT_TYPE |
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283 |
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284 #ifdef HAVE__I64TOA |
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285 #define SDL_lltoa _i64toa |
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286 #else |
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287 #define _i64toa SDL_lltoa |
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288 extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix); |
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289 #endif |
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290 |
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291 #ifdef HAVE__UI64TOA |
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292 #define SDL_ulltoa _ui64toa |
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293 #else |
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294 #define _ui64toa SDL_ulltoa |
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295 extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix); |
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296 #endif |
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297 |
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298 #ifdef HAVE_STRTOLL |
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299 #define SDL_strtoll strtoll |
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300 #else |
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301 #define strtoll SDL_strtoll |
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302 extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base); |
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303 #endif |
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304 |
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305 #endif /* SDL_HAS_64BIT_TYPE */ |
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306 |
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307 #ifdef HAVE_STRCMP |
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308 #define SDL_strcmp strcmp |
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309 #else |
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310 #define strcmp SDL_strcmp |
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311 extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); |
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312 #endif |
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313 |
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314 #ifdef HAVE_STRNCMP |
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315 #define SDL_strncmp strncmp |
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316 #else |
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317 #define strncmp SDL_strncmp |
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318 extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen); |
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319 #endif |
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320 |
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321 #if defined(HAVE_STRICMP) && !defined(HAVE_STRCASECMP) |
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322 #define strcasecmp stricmp |
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323 #define HAVE_STRCASECMP |
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324 #endif |
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325 #ifdef HAVE_STRCASECMP |
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326 #define SDL_strcasecmp strcasecmp |
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327 #else |
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328 #define strcasecmp SDL_strcasecmp |
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329 extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2); |
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330 #endif |
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331 |
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332 #ifdef HAVE_SSCANF |
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333 #define SDL_sscanf sscanf |
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334 #else |
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335 #define sscanf SDL_sscanf |
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336 extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...); |
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337 #endif |
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338 |
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339 #ifdef HAVE_SNPRINTF |
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340 #define SDL_snprintf snprintf |
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341 #else |
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342 #define snprintf SDL_snprintf |
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Sam Lantinga <slouken@libsdl.org>
parents:
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343 extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...); |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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344 #endif |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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345 |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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346 #ifdef HAVE_VSNPRINTF |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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347 #define SDL_vsnprintf vsnprintf |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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348 #else |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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349 #define vsnprintf SDL_vsnprintf |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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350 extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap); |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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351 #endif |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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352 |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
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353 /* Ends C function definitions when using C++ */ |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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354 #ifdef __cplusplus |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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355 } |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
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356 #endif |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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357 #include "close_code.h" |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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358 |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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359 #endif /* _SDL_string_h */ |