annotate rogue3/rings.c @ 6:9a2c0c60c386

Fix segfault on getpwuid failure
author edwarj4
date Fri, 16 Oct 2009 14:30:06 +0000
parents 527e2150eaf0
children
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1 /*
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2 * routines dealing specifically with rings
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3 *
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4 * @(#)rings.c 3.17 (Berkeley) 6/15/81
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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 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 #include "curses.h"
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14 #include <stdlib.h>
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15 #include <string.h>
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16 #include "rogue.h"
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17
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18 void
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19 ring_on()
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20 {
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21 struct object *obj;
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22 struct linked_list *item;
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23 int ring;
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24 str_t save_max;
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25 char buf[80];
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26
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27 item = get_item("put on", RING);
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28 /*
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29 * Make certain that it is somethings that we want to wear
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30 */
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31 if (item == NULL)
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32 return;
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33 obj = (struct object *) ldata(item);
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34 if (obj->o_type != RING)
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35 {
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36 if (!terse)
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37 msg("It would be difficult to wrap that around a finger");
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38 else
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39 msg("Not a ring");
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40 return;
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41 }
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42
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43 /*
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44 * find out which hand to put it on
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45 */
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46 if (is_current(obj))
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47 return;
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48
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49 if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL)
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50 {
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51 if ((ring = gethand()) < 0)
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52 return;
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53 }
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54 else if (cur_ring[LEFT] == NULL)
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55 ring = LEFT;
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56 else if (cur_ring[RIGHT] == NULL)
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57 ring = RIGHT;
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58 else
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59 {
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60 if (!terse)
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61 msg("You already have a ring on each hand");
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62 else
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63 msg("Wearing two");
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64 return;
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65 }
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66 cur_ring[ring] = obj;
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67
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68 /*
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69 * Calculate the effect it has on the poor guy.
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70 */
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71 switch (obj->o_which)
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72 {
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73 case R_ADDSTR:
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74 save_max = max_stats.s_str;
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75 chg_str(obj->o_ac);
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76 max_stats.s_str = save_max;
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77 break;
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78 case R_SEEINVIS:
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79 player.t_flags |= CANSEE;
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80 light(&hero);
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81 mvwaddch(cw, hero.y, hero.x, PLAYER);
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82 break;
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83 case R_AGGR:
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84 aggravate();
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85 break;
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86 }
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87 status();
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88
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89 if (obj->o_which >= MAXRINGS)
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90 return;
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91
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92 if (r_know[obj->o_which] && r_guess[obj->o_which])
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93 {
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94 free(r_guess[obj->o_which]);
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95 r_guess[obj->o_which] = NULL;
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96 }
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97 else if (!r_know[obj->o_which] && askme && r_guess[obj->o_which] == NULL)
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98 {
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99 mpos = 0;
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100 msg(terse ? "Call it: " : "What do you want to call it? ");
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101 if (get_str(buf, cw) == NORM)
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102 {
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103 r_guess[obj->o_which] = malloc(strlen(buf) + 1);
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104 if (r_guess[obj->o_which] != NULL)
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105 strcpy(r_guess[obj->o_which], buf);
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106 }
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107 msg("");