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annotate rogue3/wizard.c @ 132:66b0263af424

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arogue7: prevent segfaults when backstabbing while empty-handed. The calculation of the backstabbing multiplier checked the current weapon's properties without making sure the current weapon pointer was not NULL.
author John "Elwin" Edwards
date Tue, 12 May 2015 18:57:30 -0400
parents 527e2150eaf0
children e7aab31362af
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1
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2 /*
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3 * Special wizard commands (some of which are also non-wizard commands
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4 * under strange circumstances)
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5 *
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6 * @(#)wizard.c 3.8 (Berkeley) 6/3/81
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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 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 #include "curses.h"
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16 #include <ctype.h>
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17 #include <string.h>
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18 #include <stdlib.h>
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19 #include "machdep.h"
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20 #include "rogue.h"
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21
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22 /*
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23 * whatis:
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24 * What a certin object is
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25 */
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26
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27 void
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28 whatis()
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29 {
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30 struct object *obj;
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31 struct linked_list *item;
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32
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33 if ((item = get_item("identify", 0)) == NULL)
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34 return;
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35 obj = (struct object *) ldata(item);
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36 switch (obj->o_type)
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37 {
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38 case SCROLL:
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39 s_know[obj->o_which] = TRUE;
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40 if (s_guess[obj->o_which])
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41 {
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42 free(s_guess[obj->o_which]);
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43 s_guess[obj->o_which] = NULL;
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44 }
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45 when POTION:
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46 p_know[obj->o_which] = TRUE;
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47 if (p_guess[obj->o_which])
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48 {
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49 free(p_guess[obj->o_which]);
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50 p_guess[obj->o_which] = NULL;
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51 }
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52 when STICK:
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53 ws_know[obj->o_which] = TRUE;
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54 obj->o_flags |= ISKNOW;
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55 if (ws_guess[obj->o_which])
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56 {
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57 free(ws_guess[obj->o_which]);
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58 ws_guess[obj->o_which] = NULL;
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59 }
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60 when WEAPON:
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61 case ARMOR:
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62 obj->o_flags |= ISKNOW;
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63 when RING:
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64 r_know[obj->o_which] = TRUE;
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65 obj->o_flags |= ISKNOW;
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66 if (r_guess[obj->o_which])
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67 {
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68 free(r_guess[obj->o_which]);
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69 r_guess[obj->o_which] = NULL;
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70 }
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71 }
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72 msg(inv_name(obj, FALSE));
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73 }
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74
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75 /*
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76 * create_obj:
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77 * Wizard command for getting anything he wants
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78 */
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79
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80 void
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81 create_obj()
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82 {
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83 struct linked_list *item;
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84 struct object *obj;
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85 int bless;
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86 int ch;
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87
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88 item = new_item(sizeof *obj);
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89 obj = (struct object *) ldata(item);
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90 msg("Type of item: ");
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91 obj->o_type = readchar(cw);
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92 mpos = 0;
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93 msg("Which %c do you want? (0-f)", obj->o_type);
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94 obj->o_which = (isdigit((ch = readchar(cw))) ? ch - '0' : ch - 'a' + 10);
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95 obj->o_group = 0;
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96 obj->o_count = 1;
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97 mpos = 0;
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98 if (obj->o_type == WEAPON || obj->o_type == ARMOR)
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99 {
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100 msg("Blessing? (+,-,n)");
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101 bless = readchar(cw);
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102 mpos = 0;
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103 if (obj->o_type == WEAPON)
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104 {
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105 init_weapon(obj, obj->o_which);
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