Mercurial > hg > early-roguelike
annotate srogue/main.c @ 119:458df24e973d
srogue: use functions from mdport.c.
Shell escape, passwd entries, terminal settings, and most signal
handling is now done with the more portable md_* functions.
author | John "Elwin" Edwards |
---|---|
date | Wed, 30 Apr 2014 14:46:30 -0700 |
parents | ee250e3646fd |
children | d6b7c3fb37ea |
rev | line source |
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1 /* |
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2 * Rogue |
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3 * Exploring the dungeons of doom |
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4 * |
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5 * @(#)main.c 9.0 (rdk) 7/17/84 |
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6 * |
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7 * Super-Rogue |
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8 * Copyright (C) 1984 Robert D. Kindelberger |
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9 * All rights reserved. |
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10 * |
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11 * Based on "Rogue: Exploring the Dungeons of Doom" |
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12 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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13 * All rights reserved. |
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14 * |
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15 * See the file LICENSE.TXT for full copyright and licensing information. |
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16 */ |
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17 |
60 | 18 #include <stdlib.h> |
19 #include <string.h> | |
36
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20 #include <time.h> |
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21 #include <fcntl.h> |
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22 #include <stdio.h> |
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23 #include <limits.h> |
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24 #include <sys/stat.h> |
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25 #include "rogue.h" |
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26 |
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27 #ifdef ATT |
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28 #include <time.h> |
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29 #endif |
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30 |
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31 #ifdef BSD |
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32 #define srand48(seed) srandom(seed) |
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33 #define lrand48() random() |
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34 #include <sys/time.h> |
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35 #endif |
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36 |
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37 #include "rogue.ext" |
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38 |
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39 main(argc, argv, envp) |
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40 char **argv; |
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41 char **envp; |
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42 { |
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43 register char *env; |
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44 register struct linked_list *item; |
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45 register struct object *obj; |
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46 char alldone, wpt; |
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47 char *getpass(), *xcrypt(), *strrchr(); |
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48 int lowtime; |
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49 time_t now; |
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50 char *roguehome(); |
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51 char *homedir = roguehome(); |
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52 |
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53 #ifdef __DJGPP__ |
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54 _fmode = O_BINARY; |
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55 #endif |
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56 |
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57 if (homedir == NULL) |
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58 homedir = ""; |
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59 |
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60 playuid = getuid(); |
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61 |
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62 if (setuid(playuid) < 0) { |
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63 printf("Cannot change to effective uid: %d\n", playuid); |
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64 exit(1); |
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65 } |
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66 playgid = getgid(); |
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67 |
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68 /* check for print-score option */ |
37 | 69 #ifdef SCOREFILE |
70 strncpy(scorefile, SCOREFILE, LINLEN); | |
71 scorefile[LINLEN - 1] = '\0'; | |
72 #else | |
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73 |
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74 strcpy(scorefile, homedir); |
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75 |
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76 if (*scorefile) |
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77 strcat(scorefile,"/"); |
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78 strcat(scorefile, "srogue.scr"); |
37 | 79 #endif |
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80 |
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81 if(argc >= 2 && strcmp(argv[1], "-s") == 0) |
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82 { |
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83 showtop(0); |
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84 exit(0); |
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85 } |
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86 |
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87 #ifdef WIZARD |
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88 if (argc >= 2 && author() && strcmp(argv[1],"-a") == 0) |
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89 { |
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90 wizard = TRUE; |
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91 argv++; |
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92 argc--; |
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93 } |
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94 |
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95 /* Check to see if he is a wizard */ |
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96 |
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97 if (argc >= 2 && strcmp(argv[1],"-w") == 0) |
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98 { |
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99 if (strcmp(PASSWD, xcrypt(getpass(wizstr),"mT")) == 0) |
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100 { |
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101 wizard = TRUE; |
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102 argv++; |
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103 argc--; |
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104 } |
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105 } |
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106 #endif |
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107 time(&now); |
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108 lowtime = (int) now; |
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109 |
37 | 110 #ifdef SAVEDIR |
111 if (argc >= 3 && !strcmp(argv[1], "-n")) { | |
112 strncpy(whoami, argv[2], LINLEN); | |
113 whoami[LINLEN - 1] = '\0'; | |
114 use_savedir = TRUE; | |
112
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115 if (snprintf(file_name, 256, "%s/%d-%s.srsav", SAVEDIR, |
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116 playuid, whoami) >= 256) { |
37 | 117 /* Just in case it doesn't fit */ |
118 strcpy(file_name, "srogue.save"); | |
119 use_savedir = FALSE; | |
120 } | |
121 } | |
122 #endif | |
123 | |
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124 /* get home and options from environment */ |
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125 |
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126 if ((env = getenv("HOME")) != NULL) |
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127 strcpy(home, env); |
119 | 128 else { |
129 strncpy(home, md_gethomedir(), LINLEN); | |
130 if (home[LINLEN-1] != '\0') | |
131 home[0] = '\0'; | |
132 } | |
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133 |
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134 if (strcmp(home,"/") == 0) |
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135 home[0] = '\0'; |
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136 |
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137 if ((strlen(home) > 0) && (home[strlen(home)-1] != '/')) |
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138 strcat(home, "/"); |
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139 |
37 | 140 if (!use_savedir) { |
141 strcpy(file_name, home); | |
142 strcat(file_name, "srogue.sav"); | |
143 } | |
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144 |
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145 if ((env = getenv("ROGUEOPTS")) != NULL) |
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146 parse_opts(env); |
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147 |
37 | 148 if (!use_savedir && (env == NULL || whoami[0] == '\0')) |
36
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149 { |
119 | 150 strucpy(whoami, md_getusername(), strlen(md_getusername())); |
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151 } |
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152 |
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153 if (env == NULL || fruit[0] == '\0') |
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154 strcpy(fruit, "juicy-fruit"); |
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155 |
37 | 156 if (use_savedir) |
157 { | |
158 /* restore() won't return if the restore succeeded. If | |
159 * file_name doesn't exist, it will return TRUE. In that | |
160 * case, start a new game. */ | |
161 if (!restore(file_name, envp)) | |
162 exit(1); | |
163 } | |
164 else if (argc == 2) | |
36
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165 if(!restore(argv[1], envp)) /* NOTE: NEVER RETURNS */ |
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166 exit(1); |
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167 |
37 | 168 /* START NEW GAME */ |
169 | |
36
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170 dnum = (wizard && getenv("SEED") != NULL ? |
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171 atoi(getenv("SEED")) : lowtime + getpid()); |
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172 |
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173 if(wizard) |
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174 printf("Hello %s, welcome to dungeon #%d\n", whoami, dnum); |
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175 else |
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176 printf("Hello %s, One moment while I open the door to the dungeon...\n", whoami); |
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177 |
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178 fflush(stdout); |
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179 seed = dnum; |
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180 srand48(seed); /* init rnd number gen */ |
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181 |
119 | 182 md_onsignal_exit(); /* just in case */ |
36
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183 |
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184 init_everything(); |
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185 |
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186 #ifdef __INTERIX |
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187 setenv("TERM","interix"); |
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188 #endif |
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189 |
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190 initscr(); /* Start up cursor package */ |
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191 |
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192 if (strcmp(termname(),"dumb") == 0) |
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193 { |
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194 endwin(); |
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195 printf("ERROR in terminal parameters.\n"); |
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196 printf("Check TERM in environment.\n"); |
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197 byebye(1); |
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198 } |
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199 |
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200 if (LINES < 24 || COLS < 80) { |
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201 endwin(); |
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202 printf("ERROR: screen size too small\n"); |
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203 byebye(1); |
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204 } |
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205 |
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206 if ((whoami == NULL) || (*whoami == '\0') || (strcmp(whoami,"dosuser")==0)) |
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207 { |
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208 echo(); |
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209 mvaddstr(23,2,"Rogue's Name? "); |
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210 wgetnstr(stdscr,whoami,MAXSTR); |
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211 noecho(); |
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212 } |
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213 |
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214 if ((whoami == NULL) || (*whoami == '\0')) |
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215 strcpy(whoami,"Rodney"); |
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216 |
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217 setup(); |
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218 |
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219 /* Set up windows */ |
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220 |
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221 cw = newwin(0, 0, 0, 0); |
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222 mw = newwin(0, 0, 0, 0); |
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223 hw = newwin(0, 0, 0, 0); |
86 | 224 keypad(cw, 1); |
36
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225 waswizard = wizard; |
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226 |
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227 /* Draw current level */ |
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228 |
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229 new_level(NORMLEV); |
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230 |
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231 /* Start up daemons and fuses */ |
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232 |
107 | 233 start_daemon(status, TRUE, BEFORE); |
234 start_daemon(runners, TRUE, AFTER); | |
39 | 235 /* |
236 * These daemons have been moved to AFTER because BEFORE daemons | |
237 * get called every command, even invalid ones. Hopefully this | |
238 * won't break anything. | |
239 */ | |
107 | 240 start_daemon(doctor, TRUE, AFTER); |
241 start_daemon(stomach, TRUE, AFTER); | |
36
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242 fuse(swander, TRUE, WANDERTIME); |
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243 |
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244 /* Give the rogue his weaponry */ |
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245 |
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246 do { |
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247 wpt = pick_one(w_magic); |
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248 switch (wpt) |
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249 { |
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250 case MACE: case SWORD: case TWOSWORD: |
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251 case SPEAR: case TRIDENT: case SPETUM: |
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252 case BARDICHE: case PIKE: case BASWORD: |
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253 case HALBERD: |
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254 alldone = TRUE; |
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255 otherwise: |
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256 alldone = FALSE; |
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257 } |
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258 } while(!alldone); |
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259 |
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260 item = new_thing(FALSE, WEAPON, wpt); |
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261 obj = OBJPTR(item); |
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262 obj->o_hplus = rnd(3); |
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263 obj->o_dplus = rnd(3); |
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264 obj->o_flags = ISKNOW; |
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265 add_pack(item, TRUE); |
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266 cur_weapon = obj; |
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267 |
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268 /* Now a bow */ |
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269 |
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270 item = new_thing(FALSE, WEAPON, BOW); |
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271 obj = OBJPTR(item); |
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272 obj->o_hplus = rnd(3); |
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273 obj->o_dplus = rnd(3); |
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274 obj->o_flags = ISKNOW; |
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275 add_pack(item, TRUE); |
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276 |
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277 /* Now some arrows */ |
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278 |
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279 item = new_thing(FALSE, WEAPON, ARROW); |
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280 obj = OBJPTR(item); |
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281 obj->o_count = 25 + rnd(15); |
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282 obj->o_hplus = rnd(2); |
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283 obj->o_dplus = rnd(2); |
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284 obj->o_flags = ISKNOW; |
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285 add_pack(item, TRUE); |
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286 |
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287 /* And his suit of armor */ |
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288 |
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289 wpt = pick_one(a_magic); |
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290 item = new_thing(FALSE, ARMOR, wpt); |
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291 obj = OBJPTR(item); |
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292 obj->o_flags = ISKNOW; |
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293 obj->o_ac = armors[wpt].a_class - rnd(4); |
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294 cur_armor = obj; |
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295 add_pack(item, TRUE); |
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296 |
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297 /* Give him some food */ |
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298 |
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299 item = new_thing(FALSE, FOOD, 0); |
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300 add_pack(item, TRUE); |
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301 |
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302 playit(); |
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303 } |
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304 |
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305 |
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306 /* |
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307 * endit: |
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308 * Exit the program abnormally. |
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309 */ |
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310 void |
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311 endit(int a) |
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312 { |
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313 fatal("Ok, if you want to exit that badly, I'll have to allow it"); |
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314 } |
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315 |
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316 /* |
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317 * fatal: |
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318 * Exit the program, printing a message. |
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319 */ |
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320 |
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321 fatal(s) |
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322 char *s; |
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323 { |
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324 clear(); |
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325 refresh(); |
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326 endwin(); |
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327 fprintf(stderr,"%s\n\r",s); |
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328 fflush(stderr); |
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329 byebye(2); |
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330 } |
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331 |
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332 /* |
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333 * byebye: |
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334 * Exit here and reset the users terminal parameters |
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335 * to the way they were when he started |
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336 */ |
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337 |
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338 void |
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339 byebye(how) |
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340 int how; |
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341 { |
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342 if (!isendwin()) |
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343 endwin(); |
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344 |
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345 exit(how); /* exit like flag says */ |
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346 } |
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347 |
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348 |
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349 /* |
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350 * rnd: |
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351 * Pick a very random number. |
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352 */ |
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353 rnd(range) |
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354 int range; |
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355 { |
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356 reg int wh; |
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357 |
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358 if (range == 0) |
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359 wh = 0; |
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360 else { |
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361 wh = lrand48() % range; |
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362 wh &= 0x7FFFFFFF; |
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363 } |
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364 return wh; |
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365 } |
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366 |
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367 /* |
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368 * roll: |
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369 * roll a number of dice |
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370 */ |
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371 roll(number, sides) |
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372 int number, sides; |
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373 { |
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374 reg int dtotal = 0; |
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375 |
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376 while(number-- > 0) |
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377 dtotal += rnd(sides)+1; |
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378 return dtotal; |
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379 } |
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380 |
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381 |
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382 /* |
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383 ** setup: Setup signal catching functions |
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384 */ |
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385 setup() |
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386 { |
119 | 387 md_onsignal_autosave(); |
36
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388 |
42 | 389 nonl(); |
36
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390 cbreak(); |
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391 noecho(); |
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392 } |
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393 |
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394 /* |
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395 ** playit: The main loop of the program. Loop until the game is over, |
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396 ** refreshing things and looking at the proper times. |
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397 */ |
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398 |
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399 playit() |
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400 { |
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401 reg char *opts; |
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402 |
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403 /* parse environment declaration of options */ |
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404 |
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405 if ((opts = getenv("ROGUEOPTS")) != NULL) |
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406 parse_opts(opts); |
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407 |
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408 player.t_oldpos = hero; |
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409 oldrp = roomin(&hero); |
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410 nochange = FALSE; |
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411 while (playing) |
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412 command(); /* Command execution */ |
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413 endit(0); |
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414 } |
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415 |
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416 |
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417 /* |
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418 ** author: See if a user is an author of the program |
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419 */ |
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420 author() |
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421 { |
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422 switch (playuid) { |
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423 case 100: |
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424 case 0: |
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425 return TRUE; |
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426 default: |
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427 return FALSE; |
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428 } |
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429 } |
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430 |
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431 int |
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432 directory_exists(char *dirname) |
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433 { |
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434 struct stat sb; |
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435 |
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436 if (stat(dirname, &sb) == 0) /* path exists */ |
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437 return (S_ISDIR (sb.st_mode)); |
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438 |
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439 return(0); |
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440 } |
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441 |
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442 char * |
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443 roguehome() |
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444 { |
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445 static char path[1024]; |
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446 char *end,*home; |
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447 |
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448 if ( (home = getenv("ROGUEHOME")) != NULL) |
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449 { |
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450 if (*home) |
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451 { |
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452 strncpy(path, home, PATH_MAX - 20); |
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453 |
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454 end = &path[strlen(path)-1]; |
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455 |
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456 |
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457 while( (end >= path) && ((*end == '/') || (*end == '\\'))) |
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458 *end-- = '\0'; |
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459 |
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460 if (directory_exists(path)) |
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461 return(path); |
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462 } |
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463 } |
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464 |
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465 if (directory_exists("/var/games/roguelike")) |
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466 return("/var/games/roguelike"); |
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467 if (directory_exists("/var/lib/roguelike")) |
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468 return("/var/lib/roguelike"); |
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469 if (directory_exists("/var/roguelike")) |
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470 return("/var/roguelike"); |
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471 if (directory_exists("/usr/games/lib")) |
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472 return("/usr/games/lib"); |
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473 if (directory_exists("/games/roguelik")) |
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474 return("/games/roguelik"); |
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475 |
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476 return(NULL); |
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477 } |
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478 |