annotate rogue4/main.c @ 140:856017d63519

xrogue: don't segfault when backstabbing while empty-handed. The code for backstabbing checked the weapon's properties without making sure it was not NULL.
author John "Elwin" Edwards
date Tue, 05 May 2015 12:12:20 -0400
parents ee250e3646fd
children 1b73a8641b37
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1 /*
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2 * # #
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3 * # # # # # ## # # #
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4 * #
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5 *
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6 * @(#)main.c 4.26 (Berkeley) 2/4/82
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7 *
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8 * Rogue: Exploring the Dungeons of Doom
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9 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 *
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14 */
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15
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16 #include <stdlib.h>
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17 #include <curses.h>
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18 #include <signal.h>
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19 #include <limits.h>
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20 #include <string.h>
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21 #include "rogue.h"
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22
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23 /*
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24 * main:
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25 * The main program, of course
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26 */
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27 main(argc, argv, envp)
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28 char **argv;
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29 char **envp;
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30 {
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31 register char *env;
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32 int lowtime;
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33
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34 md_init();
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35
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36 #ifndef DUMP
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37 #ifdef SIGQUIT
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38 signal(SIGQUIT, exit);
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39 #endif
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40 signal(SIGILL, exit);
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41 #ifdef SIGTRAP
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42 signal(SIGTRAP, exit);
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43 #endif
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44 #ifdef SIGIOT
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45 signal(SIGIOT, exit);
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46 #endif
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47 #ifdef SIGEMT
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48 signal(SIGEMT, exit);
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49 #endif
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50 signal(SIGFPE, exit);
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51 #ifdef SIGBUS
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52 signal(SIGBUS, exit);
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53 #endif
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54 signal(SIGSEGV, exit);
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55 #ifdef SIGSYS
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56 signal(SIGSYS, exit);
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57 #endif
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58 #endif
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59
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60 #ifdef WIZARD
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61 /*
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62 * Check to see if he is a wizard
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63 */
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64 if (argc >= 2 && argv[1][0] == '\0')
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65 if (strcmp(PASSWD, xcrypt(md_getpass("Wizard's password: "), "mT")) == 0)
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66 {
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67 wizard = TRUE;
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68 player.t_flags |= SEEMONST;
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69 argv++;
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70 argc--;
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71 }
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72 #endif
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73
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74 #ifdef SAVEDIR
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75 if (argc >= 3 && !strcmp(argv[1], "-n"))
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76 {
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77 strncpy(whoami, argv[2], MAXSTR - 1);
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78 whoami[MAXSTR - 1] = '\0'; /* insurance */
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79 use_savedir = TRUE;
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80 /* look for savefile at SAVEDIR/UID-playername.r4sav */
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81 if (snprintf(file_name, 256, "%s/%d-%s.r4sav", SAVEDIR,
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82 md_getuid(), whoami) >= 256)
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83 {
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84 /* Name is too long- this shouldn't happen */
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85 strcpy(file_name, "rogue4.save");
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86 use_savedir = FALSE;
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87 }
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88 }
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89 #endif
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90
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91 /*
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92 * get home and options from environment
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93 */
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94 strncpy(home, md_gethomedir(), PATH_MAX);
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95 if (!use_savedir)
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96 {
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97 strcpy(file_name, home);
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98 strcat(file_name, "/rogue4.save");
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99 }
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100
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101 if ((env = getenv("ROGUEOPTS")) != NULL)
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102 parse_opts(env);
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103 if (!use_savedir && (env == NULL || whoami[0] == '\0'))