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5131 | clevermous | 1 | #include |
2 | #include |
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3 | #include |
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4 | #include |
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5 | #include |
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6 | #include |
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7 | #include |
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8 | #include |
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9 | #include |
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10 | #include |
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11 | #include |
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12 | #include |
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13 | #include |
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14 | #if !defined(__WIN32__) && !defined(_KOLIBRI) |
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15 | #include |
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16 | #include |
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17 | #include |
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18 | #include |
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19 | #include |
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20 | #endif |
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21 | |||
22 | #include "quakedef.h" |
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23 | |||
24 | qboolean isDedicated; |
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25 | |||
26 | int noconinput = 0; |
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27 | |||
28 | char *basedir = "."; |
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29 | |||
30 | cvar_t sys_linerefresh = {"sys_linerefresh","0"};// set for entity display |
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31 | cvar_t sys_nostdout = {"sys_nostdout","0"}; |
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32 | |||
33 | // ======================================================================= |
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34 | // General routines |
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35 | // ======================================================================= |
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36 | |||
37 | void Sys_DebugNumber(int y, int val) |
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38 | { |
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39 | } |
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40 | |||
41 | void Sys_Printf (char *fmt, ...) |
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42 | { |
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43 | va_list argptr; |
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44 | char text[1024]; |
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45 | |||
46 | va_start (argptr,fmt); |
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47 | vsprintf (text,fmt,argptr); |
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48 | va_end (argptr); |
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49 | #ifdef _KOLIBRI |
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50 | __menuet__debug_out(text); |
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51 | #else |
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52 | fprintf(stderr, "%s", text); |
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53 | #endif |
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54 | |||
55 | //Con_Print (text); |
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56 | } |
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57 | |||
58 | void Sys_Quit (void) |
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59 | { |
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60 | Host_Shutdown(); |
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61 | exit(0); |
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62 | } |
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63 | |||
64 | void Sys_Init(void) |
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65 | { |
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66 | #if id386 |
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67 | Sys_SetFPCW(); |
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68 | #endif |
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69 | } |
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70 | |||
71 | #if !id386 |
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72 | |||
73 | /* |
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74 | ================ |
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75 | Sys_LowFPPrecision |
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76 | ================ |
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77 | */ |
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78 | void Sys_LowFPPrecision (void) |
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79 | { |
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80 | // causes weird problems on Nextstep |
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81 | } |
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82 | |||
83 | |||
84 | /* |
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85 | ================ |
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86 | Sys_HighFPPrecision |
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87 | ================ |
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88 | */ |
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89 | void Sys_HighFPPrecision (void) |
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90 | { |
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91 | // causes weird problems on Nextstep |
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92 | } |
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93 | |||
94 | #endif // !id386 |
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95 | |||
96 | |||
97 | void Sys_Error (char *error, ...) |
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98 | { |
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99 | va_list argptr; |
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100 | char string[1024]; |
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101 | |||
102 | va_start (argptr,error); |
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103 | vsprintf (string,error,argptr); |
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104 | va_end (argptr); |
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105 | #ifdef _KOLIBRI |
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106 | __menuet__debug_out("Error: "); |
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107 | __menuet__debug_out(string); |
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108 | __menuet__debug_out("\n"); |
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109 | #else |
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110 | fprintf(stderr, "Error: %s\n", string); |
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111 | #endif |
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112 | |||
113 | Host_Shutdown (); |
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114 | exit (1); |
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115 | |||
116 | } |
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117 | |||
118 | void Sys_Warn (char *warning, ...) |
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119 | { |
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120 | va_list argptr; |
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121 | char string[1024]; |
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122 | |||
123 | va_start (argptr,warning); |
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124 | vsprintf (string,warning,argptr); |
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125 | va_end (argptr); |
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126 | #ifdef _KOLIBRI |
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127 | __menuet__debug_out("Warning: "); |
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128 | __menuet__debug_out(string); |
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129 | #else |
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130 | fprintf(stderr, "Warning: %s", string); |
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131 | #endif |
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132 | } |
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133 | |||
134 | /* |
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135 | =============================================================================== |
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136 | |||
137 | FILE IO |
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138 | |||
139 | =============================================================================== |
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140 | */ |
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141 | |||
142 | #define MAX_HANDLES 10 |
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143 | FILE *sys_handles[MAX_HANDLES]; |
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144 | |||
145 | int findhandle (void) |
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146 | { |
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147 | int i; |
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148 | |||
149 | for (i=1 ; i |
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150 | if (!sys_handles[i]) |
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151 | return i; |
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152 | Sys_Error ("out of handles"); |
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153 | return -1; |
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154 | } |
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155 | |||
156 | /* |
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157 | ================ |
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158 | Qfilelength |
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159 | ================ |
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160 | */ |
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161 | static int Qfilelength (FILE *f) |
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162 | { |
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163 | int pos; |
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164 | int end; |
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165 | |||
166 | pos = ftell (f); |
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167 | fseek (f, 0, SEEK_END); |
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168 | end = ftell (f); |
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169 | fseek (f, pos, SEEK_SET); |
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170 | |||
171 | return end; |
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172 | } |
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173 | |||
174 | int Sys_FileOpenRead (char *path, int *hndl) |
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175 | { |
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176 | FILE *f; |
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177 | int i; |
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178 | |||
179 | i = findhandle (); |
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180 | |||
181 | f = fopen(path, "rb"); |
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182 | if (!f) |
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183 | { |
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184 | *hndl = -1; |
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185 | return -1; |
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186 | } |
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187 | sys_handles[i] = f; |
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188 | *hndl = i; |
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189 | |||
190 | return Qfilelength(f); |
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191 | } |
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192 | |||
193 | int Sys_FileOpenWrite (char *path) |
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194 | { |
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195 | FILE *f; |
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196 | int i; |
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197 | |||
198 | i = findhandle (); |
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199 | |||
200 | f = fopen(path, "wb"); |
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201 | if (!f) |
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202 | Sys_Error ("Error opening %s: %s", path,strerror(errno)); |
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203 | sys_handles[i] = f; |
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204 | |||
205 | return i; |
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206 | } |
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207 | |||
208 | void Sys_FileClose (int handle) |
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209 | { |
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210 | if ( handle >= 0 ) { |
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211 | fclose (sys_handles[handle]); |
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212 | sys_handles[handle] = NULL; |
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213 | } |
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214 | } |
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215 | |||
216 | void Sys_FileSeek (int handle, int position) |
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217 | { |
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218 | if ( handle >= 0 ) { |
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219 | fseek (sys_handles[handle], position, SEEK_SET); |
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220 | } |
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221 | } |
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222 | |||
223 | int Sys_FileRead (int handle, void *dst, int count) |
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224 | { |
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225 | char *data; |
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226 | int size, done; |
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227 | |||
228 | size = 0; |
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229 | if ( handle >= 0 ) { |
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230 | data = dst; |
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231 | while ( count > 0 ) { |
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232 | done = fread (data, 1, count, sys_handles[handle]); |
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233 | if ( done == 0 ) { |
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234 | break; |
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235 | } |
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236 | data += done; |
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237 | count -= done; |
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238 | size += done; |
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239 | } |
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240 | } |
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241 | return size; |
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242 | |||
243 | } |
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244 | |||
245 | int Sys_FileWrite (int handle, void *src, int count) |
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246 | { |
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247 | char *data; |
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248 | int size, done; |
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249 | |||
250 | size = 0; |
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251 | if ( handle >= 0 ) { |
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252 | data = src; |
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253 | while ( count > 0 ) { |
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254 | done = fread (data, 1, count, sys_handles[handle]); |
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255 | if ( done == 0 ) { |
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256 | break; |
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257 | } |
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258 | data += done; |
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259 | count -= done; |
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260 | size += done; |
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261 | } |
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262 | } |
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263 | return size; |
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264 | } |
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265 | |||
266 | int Sys_FileTime (char *path) |
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267 | { |
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268 | FILE *f; |
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269 | |||
270 | f = fopen(path, "rb"); |
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271 | if (f) |
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272 | { |
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273 | fclose(f); |
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274 | return 1; |
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275 | } |
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276 | |||
277 | return -1; |
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278 | } |
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279 | |||
280 | void Sys_mkdir (char *path) |
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281 | { |
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282 | #ifdef __WIN32__ |
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283 | mkdir (path); |
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284 | #else |
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285 | mkdir (path, 0777); |
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286 | #endif |
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287 | } |
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288 | |||
289 | void Sys_DebugLog(char *file, char *fmt, ...) |
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290 | { |
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291 | va_list argptr; |
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292 | static char data[1024]; |
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293 | FILE *fp; |
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294 | |||
295 | va_start(argptr, fmt); |
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296 | vsprintf(data, fmt, argptr); |
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297 | va_end(argptr); |
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298 | fp = fopen(file, "a"); |
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299 | fwrite(data, strlen(data), 1, fp); |
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300 | fclose(fp); |
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301 | } |
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302 | |||
303 | double Sys_FloatTime (void) |
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304 | { |
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305 | #if defined(_KOLIBRI) |
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306 | static int starttime = 0; |
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307 | |||
308 | if ( ! starttime ) |
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309 | __asm__ __volatile__("int $0x40" : "=a"(starttime) : "a"(26), "b"(9)); |
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310 | |||
311 | int curtime; |
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312 | __asm__ __volatile__("int $0x40" : "=a"(curtime) : "a"(26), "b"(9)); |
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313 | return (curtime-starttime)*0.01; |
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314 | #elif defined(__WIN32__) |
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315 | |||
316 | static int starttime = 0; |
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317 | |||
318 | if ( ! starttime ) |
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319 | starttime = clock(); |
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320 | |||
321 | return (clock()-starttime)*1.0/1024; |
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322 | |||
323 | #else |
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324 | |||
325 | struct timeval tp; |
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326 | struct timezone tzp; |
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327 | static int secbase; |
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328 | |||
329 | gettimeofday(&tp, &tzp); |
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330 | |||
331 | if (!secbase) |
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332 | { |
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333 | secbase = tp.tv_sec; |
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334 | return tp.tv_usec/1000000.0; |
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335 | } |
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336 | |||
337 | return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; |
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338 | |||
339 | #endif |
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340 | } |
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341 | |||
342 | // ======================================================================= |
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343 | // Sleeps for microseconds |
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344 | // ======================================================================= |
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345 | |||
346 | static volatile int oktogo; |
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347 | |||
348 | void alarm_handler(int x) |
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349 | { |
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350 | oktogo=1; |
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351 | } |
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352 | |||
353 | byte *Sys_ZoneBase (int *size) |
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354 | { |
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355 | |||
356 | char *QUAKEOPT = getenv("QUAKEOPT"); |
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357 | |||
358 | *size = 0xc00000; |
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359 | if (QUAKEOPT) |
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360 | { |
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361 | while (*QUAKEOPT) |
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362 | if (tolower(*QUAKEOPT++) == 'm') |
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363 | { |
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364 | *size = atof(QUAKEOPT) * 1024*1024; |
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365 | break; |
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366 | } |
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367 | } |
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368 | return malloc (*size); |
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369 | |||
370 | } |
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371 | |||
372 | void Sys_LineRefresh(void) |
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373 | { |
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374 | } |
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375 | |||
376 | void Sys_Sleep(void) |
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377 | { |
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378 | #ifdef _KOLIBRI |
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379 | __menuet__delay100(1); |
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380 | #else |
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381 | SDL_Delay(1); |
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382 | #endif |
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383 | } |
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384 | |||
385 | #ifndef _KOLIBRI |
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386 | void floating_point_exception_handler(int whatever) |
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387 | { |
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388 | // Sys_Warn("floating point exception\n"); |
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389 | signal(SIGFPE, floating_point_exception_handler); |
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390 | } |
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391 | #endif |
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392 | |||
393 | void moncontrol(int x) |
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394 | { |
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395 | } |
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396 | |||
397 | int main (int c, char **v) |
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398 | { |
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399 | |||
400 | double time, oldtime, newtime; |
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401 | quakeparms_t parms; |
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402 | extern int vcrFile; |
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403 | extern qboolean recording; |
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404 | static int frame; |
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405 | |||
406 | moncontrol(0); |
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407 | |||
408 | #ifndef _KOLIBRI |
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409 | // signal(SIGFPE, floating_point_exception_handler); |
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410 | signal(SIGFPE, SIG_IGN); |
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411 | #endif |
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412 | |||
413 | parms.memsize = 8*1024*1024; |
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414 | parms.membase = malloc (parms.memsize); |
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415 | parms.basedir = basedir; |
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416 | parms.cachedir = NULL; |
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417 | |||
418 | COM_InitArgv(c, v); |
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419 | parms.argc = com_argc; |
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420 | parms.argv = com_argv; |
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421 | |||
422 | Sys_Init(); |
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423 | |||
424 | Host_Init(&parms); |
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425 | |||
426 | Cvar_RegisterVariable (&sys_nostdout); |
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427 | |||
428 | oldtime = Sys_FloatTime () - 0.1; |
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429 | while (1) |
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430 | { |
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431 | // find time spent rendering last frame |
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432 | newtime = Sys_FloatTime (); |
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433 | time = newtime - oldtime; |
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434 | |||
435 | if (cls.state == ca_dedicated) |
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436 | { // play vcrfiles at max speed |
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437 | if (time < sys_ticrate.value && (vcrFile == -1 || recording) ) |
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438 | { |
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439 | #ifdef _KOLIBRI |
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440 | __menuet__delay100(1); |
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441 | #else |
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442 | SDL_Delay (1); |
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443 | #endif |
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444 | continue; // not time to run a server only tic yet |
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445 | } |
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446 | time = sys_ticrate.value; |
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447 | } |
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448 | |||
449 | if (time > sys_ticrate.value*2) |
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450 | oldtime = newtime; |
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451 | else |
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452 | oldtime += time; |
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453 | |||
454 | if (++frame > 10) |
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455 | moncontrol(1); // profile only while we do each Quake frame |
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456 | Host_Frame (time); |
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457 | moncontrol(0); |
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458 | |||
459 | // graphic debugging aids |
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460 | if (sys_linerefresh.value) |
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461 | Sys_LineRefresh (); |
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462 | } |
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463 | |||
464 | } |
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465 | |||
466 | |||
467 | /* |
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468 | ================ |
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469 | Sys_MakeCodeWriteable |
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470 | ================ |
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471 | */ |
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472 | void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) |
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473 | { |
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474 | #ifndef _KOLIBRI |
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475 | int r; |
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476 | unsigned long addr; |
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477 | int psize = getpagesize(); |
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478 | |||
479 | fprintf(stderr, "writable code %lx-%lx\n", startaddr, startaddr+length); |
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480 | |||
481 | addr = startaddr & ~(psize-1); |
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482 | |||
483 | r = mprotect((char*)addr, length + startaddr - addr, 7); |
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484 | |||
485 | if (r < 0) |
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486 | Sys_Error("Protection change failed\n"); |
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487 | #endif |
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488 | }>> |
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489 |