Mercurial > hg > early-roguelike
annotate rogue4/mach_dep.c @ 112:ee250e3646fd
Don't truncate player name in savefile name or log message.
The player name is stored in whoami[], which is length 80 in most games
(1024 in rogue5). Only the first 10 chars were used to create
file_name, because that buffer is the same length. Increasing the size
of file_name to 256 permits using all of whoami.
The name is also no longer truncated to 20 chars when writing the log.
All games should now be able to handle 79-character names without
collisions. Anything more would break save compatibility.
author | John "Elwin" Edwards |
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date | Sun, 23 Mar 2014 21:27:14 -0700 |
parents | 5926ec314fd4 |
children | 1b73a8641b37 |
rev | line source |
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12
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1 /* |
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2 * Various installation dependent routines |
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3 * |
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4 * @(#)mach_dep.c 4.23 (Berkeley) 5/19/82 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman |
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8 * All rights reserved. |
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9 * |
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10 * See the file LICENSE.TXT for full copyright and licensing information. |
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11 */ |
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12 |
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13 /* |
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14 * The various tuneable defines are: |
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15 * |
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16 * SCOREFILE Where/if the score file should live. |
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17 * MAXLOAD What (if any) the maximum load average should be |
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18 * when people are playing. If defined, then |
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19 * LOADAV Should rogue define it's own routine to |
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20 * get the load average? |
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21 * NAMELIST If so, where does the system namelist hide? |
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22 * MAXUSERS What (if any) the maximum user count should be |
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23 * when people are playing. If defined, then |
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24 * UCOUNT Should rogue define it's own routine to |
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25 * count users? |
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26 * UTMP If so, where does the user list hide? |
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27 * CHECKTIME How often/if rogue should check during the game |
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28 * for high load average. |
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29 */ |
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30 |
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31 #include <limits.h> |
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32 #include <stdlib.h> |
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33 #include <stdio.h> |
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34 #include <curses.h> |
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35 #include <time.h> |
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36 #include <signal.h> |
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37 #include <sys/stat.h> |
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38 #include <fcntl.h> |
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39 #include <string.h> |
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40 #include "rogue.h" |
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41 |
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42 int num_checks; /* times we've gone over in checkout() */ |
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43 |
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44 #ifdef SCOREFILE |
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45 #ifdef LOCKFILE |
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46 static char *lockfile = LOCKFILE; |
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47 #endif |
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48 #endif |
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49 |
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50 /* |
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51 * init_check: |
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52 * Check out too see if it is proper to play the game now |
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53 */ |
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54 init_check() |
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55 { |
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56 if (too_much()) |
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57 { |
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58 printf("Sorry, %s, but the system is too loaded now.\n", whoami); |
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59 printf("Try again later. Meanwhile, why not enjoy a%s %s?\n", |
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60 vowelstr(fruit), fruit); |
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61 if (author()) |
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62 printf("However, since you're a good guy, it's up to you\n"); |
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63 else |
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64 exit(1); |
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65 } |
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66 } |
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67 |
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68 /* |
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69 * open_score: |
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70 * Open up the score file for future use, and then |
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71 * setuid(getuid()) in case we are running setuid. |
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72 */ |
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73 open_score() |
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74 { |
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75 #ifdef SCOREFILE |
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76 fd = open(SCOREFILE, O_RDWR | O_CREAT, 0666 ); |
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77 #else |
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78 fd = -1; |
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79 #endif |
13 | 80 if (!use_savedir) |
81 md_normaluser(); | |
82 return; | |
12
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83 } |
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84 |
26 | 85 void open_log(void) |
86 { | |
87 #ifdef LOGFILE | |
88 lfd = open(LOGFILE, O_WRONLY | O_APPEND | O_CREAT, 0666); | |
89 #else | |
90 lfd = -1; | |
91 #endif | |
92 return; | |
93 } | |
94 | |
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95 /* |
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96 * setup: |
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97 * Get starting setup for all games |
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98 */ |
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99 setup() |
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100 { |
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101 void auto_save(), quit(), endit(), tstp(); |
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102 #ifdef CHECKTIME |
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103 int checkout(); |
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104 #endif |
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105 |
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106 /* |
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107 * make sure that large terminals don't overflow the bounds |
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108 * of the program |
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109 */ |
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110 if (LINES > MAXLINES) |
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111 LINES = MAXLINES; |
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112 if (COLS > MAXCOLS) |
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113 COLS = MAXCOLS; |
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114 |
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115 #ifdef SIGHUP |
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116 signal(SIGHUP, auto_save); |
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117 #endif |
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118 #ifndef DUMP |
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119 signal(SIGILL, auto_save); |
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120 #ifdef SIGTRAP |
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121 signal(SIGTRAP, auto_save); |
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122 #endif |
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123 #ifdef SIGIOT |
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124 signal(SIGIOT, auto_save); |
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125 #endif |
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126 #ifdef SIGEMT |
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127 signal(SIGEMT, auto_save); |
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128 #endif |
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129 signal(SIGFPE, auto_save); |
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130 #ifdef SIGBUS |
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131 signal(SIGBUS, auto_save); |
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132 #endif |
23 | 133 /* Don't bother saving a game that segfaulted. */ |
134 signal(SIGSEGV, SIG_DFL); | |
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135 #ifdef SIGSYS |
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136 signal(SIGSYS, auto_save); |
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137 #endif |
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138 signal(SIGTERM, auto_save); |
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139 #endif |
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140 |
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141 signal(SIGINT, quit); |
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142 #ifndef DUMP |
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143 #ifdef SIGQUIT |
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144 signal(SIGQUIT, endit); |
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145 #endif |
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146 #endif |
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147 #ifdef CHECKTIME |
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148 signal(SIGALRM, checkout); |
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149 alarm(CHECKTIME * 60); |
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150 num_checks = 0; |
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151 #endif |
32
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152 nonl(); |
12
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153 crmode(); /* Cbreak mode */ |
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154 noecho(); /* Echo off */ |
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155 } |
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156 |
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157 /* |
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158 * start_score: |
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159 * Start the scoring sequence |
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160 */ |
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161 start_score() |
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162 { |
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163 #ifdef SIGALRM |
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164 signal(SIGALRM, SIG_IGN); |
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165 #endif |
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166 } |
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167 |
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168 /* |
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169 * issymlink: |
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170 * See if the file has a symbolic link |
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171 */ |
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172 issymlink(sp) |
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173 char *sp; |
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174 { |
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175 #ifdef S_IFLNK |
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176 struct stat sbuf2; |
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177 |
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178 if (lstat(sp, &sbuf2) < 0) |
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179 return FALSE; |
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180 else |
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181 return ((sbuf2.st_mode & S_IFMT) != S_IFREG); |
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182 #else |
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183 return FALSE; |
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184 #endif |
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185 } |
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186 |
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187 /* |
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188 * too_much: |
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189 * See if the system is being used too much for this game |
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190 */ |
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191 too_much() |
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192 { |
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193 #ifdef MAXLOAD |
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194 double avec[3]; |
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195 |
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196 if (md_getloadavg(avec) == 0) |
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197 if (avec[2] > (MAXLOAD / 10.0)) |
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198 return(1); |
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199 #endif |
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200 #ifdef MAXUSERS |
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201 if (md_ucount() > MAXUSERS) |
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202 return(1) ; |
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203 #endif |
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204 return(0); |
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205 } |
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206 |
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207 /* |
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208 * author: |
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209 * See if a user is an author of the program |
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210 */ |
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211 author() |
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212 { |
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213 #ifdef WIZARD |
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214 if (wizard) |
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215 return TRUE; |
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216 #endif |
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217 switch (md_getuid()) |
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218 { |
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219 case 0: |
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220 return TRUE; |
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221 default: |
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222 return FALSE; |
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223 } |
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224 } |
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225 |
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226 /* |
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227 * checkout: |
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228 * Check each CHECKTIME seconds to see if the load is too high |
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229 */ |
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230 void |
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231 checkout(int s) |
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232 { |
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233 static char *msgs[] = { |
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234 "The load is too high to be playing. Please leave in %0.1f minutes", |
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235 "Please save your game. You have %0.1f minutes", |
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236 "Last warning. You have %0.1f minutes to leave", |
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237 }; |
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238 int checktime = 0; |
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239 |
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240 #ifdef SIGALRM |
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241 signal(SIGALRM, checkout); |
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242 #endif |
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243 |
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244 if (too_much()) |
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245 { |
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246 if (author()) |
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247 { |
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248 num_checks = 1; |
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249 chmsg("The load is rather high, O exaulted one"); |
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250 } |
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251 else if (num_checks++ == 3) |
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252 fatal("Sorry. You took to long. You are dead\n"); |
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253 |
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254 #ifdef CHECKTIME |
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255 checktime = (CHECKTIME * 60) / num_checks; |
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256 #endif |
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257 #ifdef SIGALRM |
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258 alarm(checktime); |
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259 #endif |
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260 |
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261 chmsg(msgs[num_checks - 1], ((double) checktime / 60.0)); |
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262 } |
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263 else |
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264 { |
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265 if (num_checks) |
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266 { |
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267 num_checks = 0; |
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268 chmsg("The load has dropped back down. You have a reprieve"); |
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269 } |
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270 #ifdef CHECKTIME |
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271 #ifdef SIGALRM |
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272 alarm(CHECKTIME * 60); |
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273 #endif |
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274 #endif |
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275 } |
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276 } |
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277 |
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278 /* |
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279 * chmsg: |
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280 * checkout()'s version of msg. If we are in the middle of a |
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281 * shell, do a printf instead of a msg to avoid the refresh. |
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282 */ |
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283 chmsg(fmt, arg) |
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284 char *fmt; |
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285 int arg; |
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286 { |
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287 if (in_shell) |
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288 { |
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289 printf(fmt, arg); |
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290 putchar('\n'); |
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291 fflush(stdout); |
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292 } |
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293 else |
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294 msg(fmt, arg); |
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295 } |
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296 |
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297 /* |
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298 * lock_sc: |
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299 * lock the score file. If it takes too long, ask the user if |
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300 * they care to wait. Return TRUE if the lock is successful. |
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301 */ |
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302 lock_sc() |
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303 { |
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304 #ifdef SCOREFILE |
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305 #ifdef LOCKFILE |
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306 register int cnt; |
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307 static struct stat sbuf; |
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308 |
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309 over: |
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310 if (creat(lockfile, 0000) > 0) |
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311 return TRUE; |
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312 for (cnt = 0; cnt < 5; cnt++) |
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313 { |
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314 md_sleep(1); |
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315 if (creat(lockfile, 0000) > 0) |
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316 return TRUE; |
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317 } |
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318 if (stat(lockfile, &sbuf) < 0) |
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319 { |
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320 creat(lockfile, 0000); |
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321 return TRUE; |
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322 } |
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323 if (time(NULL) - sbuf.st_mtime > 10) |
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324 { |
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325 if (md_unlink(lockfile) < 0) |
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326 return FALSE; |
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327 goto over; |
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328 } |
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329 else |
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330 { |
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331 printf("The score file is very busy. Do you want to wait longer\n"); |
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332 printf("for it to become free so your score can get posted?\n"); |
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333 printf("If so, type \"y\"\n"); |
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334 fgets(prbuf, MAXSTR, stdin); |
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335 if (prbuf[0] == 'y') |
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336 for (;;) |
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337 { |
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338 if (creat(lockfile, 0000) > 0) |
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339 return TRUE; |
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340 if (stat(lockfile, &sbuf) < 0) |
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341 { |
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342 creat(lockfile, 0000); |
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343 return TRUE; |
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344 } |
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345 if (time(NULL) - sbuf.st_mtime > 10) |
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346 { |
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347 if (md_unlink(lockfile) < 0) |
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348 return FALSE; |
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349 } |
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350 md_sleep(1); |
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351 } |
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352 else |
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353 return FALSE; |
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354 } |
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355 #endif |
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356 #endif |
45
5926ec314fd4
Make sure lock_sc always returns a value. Fixes a weird bug that prevented the scorelist from updating.
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32
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357 return TRUE; |
12
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358 } |
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359 |
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360 /* |
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361 * unlock_sc: |
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362 * Unlock the score file |
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363 */ |
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364 unlock_sc() |
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365 { |
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366 #ifdef SCOREFILE |
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367 #ifdef LOCKFILE |
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368 md_unlink(lockfile); |
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369 #endif |
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370 #endif |
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371 } |
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372 |
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373 /* |
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374 * flush_type: |
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375 * Flush typeahead for traps, etc. |
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|
376 */ |
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|
377 flush_type() |
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|
378 { |
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|
379 flushinp(); |
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380 } |