annotate rogue3/main.c @ 111:7f8f43943b1f

Fix some terribly depressing corruption during restore. In rogue5/state.c, rs_read_daemons() zeroes out the argument and delay if the daemon slot is empty. Unfortunately that code ended up on the wrong side of the brace that closes the for loop, so instead of running after each daemon, it got run once after the loop exited, when the index was of course out of bounds. This tended to manifest, when compiled with -O2, by overwriting hw and setting it to NULL. When inventory() next ran, hw would be passed to wgetch(), which returns ERR when it gets a NULL argument. This made md_readchar() think something was wrong and autosave the game. Upon investigation, rogue3 was found to commit the same mistake. rogue4 and srogue don't zero the data. arogue5 already does it properly. Someday I am going to run all this through Valgrind. Someday when I am a kinder person who will not be driven to invoke hordes of trolls and centaurs upon the original authors.
author John "Elwin" Edwards
date Wed, 08 Jan 2014 16:44:16 -0500
parents 88ab59f06dfc
children ee250e3646fd
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1 /*
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2 * @(#)main.c 3.27 (Berkeley) 6/15/81
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3 *
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4 * Rogue: Exploring the Dungeons of Doom
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5 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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6 * All rights reserved.
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7 *
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8 * See the file LICENSE.TXT for full copyright and licensing information.
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9 */
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10
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11 #include "curses.h"
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12 #include <time.h>
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13 #include <signal.h>
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14 #include <limits.h>
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15 #include <stdlib.h>
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16 #include <stdarg.h>
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17 #include <string.h>
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18 #include "machdep.h"
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19 #include "rogue.h"
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20
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21 int num_checks = 0; /* times we've gone over in checkout() */
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22 WINDOW *cw; /* Window that the player sees */
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23 WINDOW *hw; /* Used for the help command */
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24 WINDOW *mw; /* Used to store mosnters */
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25 FILE *scoreboard = NULL;
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26 FILE *logfi = NULL;
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27
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28 main(argc, argv, envp)
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29 char **argv;
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30 char **envp;
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31 {
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32 char *env;
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33 struct linked_list *item;
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34 struct object *obj;
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35 int lowtime;
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36 time_t now;
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37
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38 md_init(MD_STRIP_CTRL_KEYPAD);
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39
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40 open_score();
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41 open_log();
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42
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43 /*
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44 * check for print-score option
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45 */
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46 if (argc == 2 && strcmp(argv[1], "-s") == 0)
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47 {
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48 waswizard = TRUE;
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49 score(0, -1, 0);
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50 exit(0);
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51 }
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52
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53 #ifdef WIZARD
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54 /*
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55 * Check to see if he is a wizard
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56 */
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57 if (argc >= 2 && argv[1][0] == '\0')
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58 if (strcmp(PASSWD, crypt(md_getpass("Wizard's password: "), "mT")) == 0)
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59 {
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60 wizard = TRUE;
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61 argv++;
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62 argc--;
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63 }
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64 #endif
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65
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66 /* Are we using the system savefile directory? */
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67 #ifdef SAVEDIR
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68 if (argc >= 3 && !strcmp(argv[1], "-n"))
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69 {
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70 strncpy(whoami, argv[2], 79);
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71 whoami[79] = '\0';
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72 use_savedir = TRUE;
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73 /* look for savefile at SAVEDIR/UID-playername.r3sav */
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74 if (snprintf(file_name, 80, "%s/%d-%.10s.r3sav", SAVEDIR, md_getuid(), whoami) >= 80)
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75 {
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76 /* this shouldn't happen */
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77 strcpy(file_name, "rogue3.save");
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78 use_savedir = FALSE;
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79 }
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80 }
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81 #endif
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82
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83 if (use_savedir == FALSE)
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84 {
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85 md_normaluser();
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86 /* because we don't need to create a file in the common savedir,
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87 * and the scorefile is already open */
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88 strcpy(home, md_gethomedir());
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89
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90 if (strlen(home) > PATH_MAX - strlen("rogue3.save") - 1)
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91 *home = 0;
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92
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93 strcpy(file_name, home);
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94 strcat(file_name, "rogue3.save");
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95 }
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96
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97 if ((env = getenv("ROGUEOPTS")) != NULL)
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98 parse_opts(env);
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99 if (!use_savedir && (env == NULL || whoami[0] == '\0'))