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5131 | clevermous | 1 | /* |
2 | Copyright (C) 1996-1997 Id Software, Inc. |
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3 | |||
4 | This program is free software; you can redistribute it and/or |
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5 | modify it under the terms of the GNU General Public License |
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6 | as published by the Free Software Foundation; either version 2 |
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7 | of the License, or (at your option) any later version. |
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8 | |||
9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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12 | |||
13 | See the GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | |||
19 | */ |
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20 | // sys_null.h -- null system driver to aid porting efforts |
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21 | |||
22 | #include "quakedef.h" |
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23 | #include "errno.h" |
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24 | |||
25 | /* |
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26 | =============================================================================== |
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27 | |||
28 | FILE IO |
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29 | |||
30 | =============================================================================== |
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31 | */ |
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32 | |||
33 | #define MAX_HANDLES 10 |
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34 | FILE *sys_handles[MAX_HANDLES]; |
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35 | |||
36 | int findhandle (void) |
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37 | { |
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38 | int i; |
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39 | |||
40 | for (i=1 ; i |
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41 | if (!sys_handles[i]) |
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42 | return i; |
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43 | Sys_Error ("out of handles"); |
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44 | return -1; |
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45 | } |
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46 | |||
47 | /* |
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48 | ================ |
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49 | filelength |
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50 | ================ |
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51 | */ |
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52 | int filelength (FILE *f) |
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53 | { |
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54 | int pos; |
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55 | int end; |
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56 | |||
57 | pos = ftell (f); |
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58 | fseek (f, 0, SEEK_END); |
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59 | end = ftell (f); |
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60 | fseek (f, pos, SEEK_SET); |
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61 | |||
62 | return end; |
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63 | } |
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64 | |||
65 | int Sys_FileOpenRead (char *path, int *hndl) |
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66 | { |
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67 | FILE *f; |
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68 | int i; |
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69 | |||
70 | i = findhandle (); |
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71 | |||
72 | f = fopen(path, "rb"); |
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73 | if (!f) |
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74 | { |
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75 | *hndl = -1; |
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76 | return -1; |
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77 | } |
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78 | sys_handles[i] = f; |
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79 | *hndl = i; |
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80 | |||
81 | return filelength(f); |
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82 | } |
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83 | |||
84 | int Sys_FileOpenWrite (char *path) |
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85 | { |
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86 | FILE *f; |
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87 | int i; |
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88 | |||
89 | i = findhandle (); |
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90 | |||
91 | f = fopen(path, "wb"); |
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92 | if (!f) |
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93 | Sys_Error ("Error opening %s: %s", path,strerror(errno)); |
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94 | sys_handles[i] = f; |
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95 | |||
96 | return i; |
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97 | } |
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98 | |||
99 | void Sys_FileClose (int handle) |
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100 | { |
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101 | fclose (sys_handles[handle]); |
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102 | sys_handles[handle] = NULL; |
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103 | } |
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104 | |||
105 | void Sys_FileSeek (int handle, int position) |
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106 | { |
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107 | fseek (sys_handles[handle], position, SEEK_SET); |
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108 | } |
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109 | |||
110 | int Sys_FileRead (int handle, void *dest, int count) |
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111 | { |
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112 | return fread (dest, 1, count, sys_handles[handle]); |
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113 | } |
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114 | |||
115 | int Sys_FileWrite (int handle, void *data, int count) |
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116 | { |
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117 | return fwrite (data, 1, count, sys_handles[handle]); |
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118 | } |
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119 | |||
120 | int Sys_FileTime (char *path) |
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121 | { |
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122 | FILE *f; |
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123 | |||
124 | f = fopen(path, "rb"); |
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125 | if (f) |
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126 | { |
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127 | fclose(f); |
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128 | return 1; |
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129 | } |
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130 | |||
131 | return -1; |
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132 | } |
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133 | |||
134 | void Sys_mkdir (char *path) |
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135 | { |
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136 | } |
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137 | |||
138 | |||
139 | /* |
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140 | =============================================================================== |
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141 | |||
142 | SYSTEM IO |
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143 | |||
144 | =============================================================================== |
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145 | */ |
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146 | |||
147 | void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) |
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148 | { |
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149 | } |
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150 | |||
151 | |||
152 | void Sys_Error (char *error, ...) |
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153 | { |
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154 | va_list argptr; |
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155 | |||
156 | printf ("Sys_Error: "); |
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157 | va_start (argptr,error); |
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158 | vprintf (error,argptr); |
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159 | va_end (argptr); |
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160 | printf ("\n"); |
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161 | |||
162 | exit (1); |
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163 | } |
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164 | |||
165 | void Sys_Printf (char *fmt, ...) |
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166 | { |
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167 | va_list argptr; |
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168 | |||
169 | va_start (argptr,fmt); |
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170 | vprintf (fmt,argptr); |
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171 | va_end (argptr); |
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172 | } |
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173 | |||
174 | void Sys_Quit (void) |
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175 | { |
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176 | exit (0); |
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177 | } |
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178 | |||
179 | double Sys_FloatTime (void) |
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180 | { |
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181 | static double t; |
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182 | |||
183 | t += 0.1; |
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184 | |||
185 | return t; |
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186 | } |
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187 | |||
188 | char *Sys_ConsoleInput (void) |
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189 | { |
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190 | return NULL; |
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191 | } |
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192 | |||
193 | void Sys_Sleep (void) |
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194 | { |
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195 | } |
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196 | |||
197 | void Sys_SendKeyEvents (void) |
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198 | { |
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199 | } |
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200 | |||
201 | void Sys_HighFPPrecision (void) |
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202 | { |
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203 | } |
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204 | |||
205 | void Sys_LowFPPrecision (void) |
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206 | { |
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207 | } |
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208 | |||
209 | //============================================================================= |
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210 | |||
211 | void main (int argc, char **argv) |
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212 | { |
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213 | static quakeparms_t parms; |
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214 | |||
215 | parms.memsize = 8*1024*1024; |
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216 | parms.membase = malloc (parms.memsize); |
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217 | parms.basedir = "."; |
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218 | |||
219 | COM_InitArgv (argc, argv); |
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220 | |||
221 | parms.argc = com_argc; |
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222 | parms.argv = com_argv; |
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223 | |||
224 | printf ("Host_Init\n"); |
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225 | Host_Init (&parms); |
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226 | while (1) |
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227 | { |
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228 | Host_Frame (0.1); |
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229 | } |
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230 | } |
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231 |