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annotate rogue4/mach_dep.c @ 296:000b1c5b8d63

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UltraRogue: fix inventory collision after save and restore. Inventory letters are based on "identifiers" stored in objects' o_ident field. Identifiers are allocated by get_ident(), which keeps a list of objects that have them, to avoid giving the same identifier to multiple objects. The list is not stored in the savefile, so after restore, get_ident() was not aware of existing identifiers. This resulted in picked-up objects having the same inventory letters as objects restored from the file. The restore code now adds all objects with identifiers to the list.
author John "Elwin" Edwards
date Mon, 15 Jan 2018 20:20:35 -0500
parents 6376b514a30b
children
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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 <errno.h>
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41
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42 #ifdef CHECKTIME
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43 #include <unistd.h>
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44 #endif
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45
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46 #include "rogue.h"
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47
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48 int num_checks; /* times we've gone over in checkout() */
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49
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50 #ifdef SCOREFILE
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51 #ifdef LOCKFILE
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52 static char *lockfile = LOCKFILE;
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53 #endif
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54 #endif
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55
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56 int too_much(void);
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57 bool author(void);
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58 void checkout(int s);
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59 void chmsg(char *fmt, int arg);
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60
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61 /*
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62 * init_check:
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63 * Check out too see if it is proper to play the game now
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64 */
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65 void
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66 init_check(void)
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67 {
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68 if (too_much())
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69 {
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70 printf("Sorry, %s, but the system is too loaded now.\n", whoami);
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71 printf("Try again later. Meanwhile, why not enjoy a%s %s?\n",
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72 vowelstr(fruit), fruit);
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73 if (author())
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74 printf("However, since you're a good guy, it's up to you\n");
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75 else
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76 exit(1);
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77 }
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78 }
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79
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80 /*
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81 * open_score:
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82 * Open up the score file for future use, and then
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83 * setuid(getuid()) in case we are running setuid.
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84 */
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85 void
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86 open_score(void)
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87 {
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88 #ifdef SCOREFILE
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89 score_file = fopen(SCOREFILE, "r+");
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90 if ((score_file == NULL) && (errno == ENOENT)) {
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91 score_file = fopen(SCOREFILE, "w+");
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92 }
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93 #else
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94 score_file = NULL;
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95 #endif
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96 if (!use_savedir)
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97 md_normaluser();
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