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annotate arogue7/things.c @ 144:708bb2dea17c

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arogue7, xrogue: prevent potential NULL dereferencing. It is possible for getpwuid() to fail and return NULL. Various md_get* functions now check for this.
author John "Elwin" Edwards
date Mon, 18 May 2015 10:53:22 -0400
parents b786053d2f37
children f9ef86cf22b2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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125
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1 /*
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2 * things.c - functions for dealing with things like potions and scrolls
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "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 /*
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16 * Contains functions for dealing with things like
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17 * potions and scrolls
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18 *
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19 */
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20
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21 #include "curses.h"
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22 #include <ctype.h>
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b786053d2f37 arogue7: add missing header includes.
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23 #include <string.h>
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24 #include "rogue.h"
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25
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26 /*
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27 * print out the number of charges on a stick
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28 */
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29 char *
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30 charge_str(obj)
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31 register struct object *obj;
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32 {
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33 static char buf[20];
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34
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35 if (!(obj->o_flags & ISKNOW))
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36 buf[0] = '\0';
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37 else if (terse)
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38 sprintf(buf, " [%d]", obj->o_charges);
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39 else
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40 sprintf(buf, " [%d charges]", obj->o_charges);
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41 return buf;
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42 }
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43 /*
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44 * inv_name:
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45 * return the name of something as it would appear in an
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46 * inventory.
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47 */
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48 char *
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49 inv_name(obj, drop)
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50 register struct object *obj;
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51 bool drop;
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52 {
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53 register char *pb;
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54
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55 pb = prbuf;
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56 pb[0] = '\0';
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57 switch(obj->o_type) {
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58 case SCROLL:
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59 if (obj->o_count == 1)
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60 sprintf(pb, "A %sscroll ", blesscurse(obj->o_flags));
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61 else
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62 sprintf(pb, "%d %sscrolls ",
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63 obj->o_count, blesscurse(obj->o_flags));
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64 pb = &pb[strlen(pb)];
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65 if (s_know[obj->o_which] || (obj->o_flags & ISPOST))
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66 sprintf(pb, "of %s", s_magic[obj->o_which].mi_name);
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67 else if (s_guess[obj->o_which])
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68 sprintf(pb, "named %s", s_guess[obj->o_which]);
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69 else
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70 sprintf(pb, "titled '%s'", s_names[obj->o_which]);
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71 when POTION:
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72 if (obj->o_count == 1)
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73 sprintf(pb, "A %spotion ", blesscurse(obj->o_flags));
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74 else
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75 sprintf(pb, "%d %spotions ",
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76 obj->o_count, blesscurse(obj->o_flags));
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77 pb = &pb[strlen(pb)];
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78 if (p_know[obj->o_which])
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79 sprintf(pb, "of %s (%s)", p_magic[obj->o_which].mi_name,
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80 p_kind(obj));
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81 else if (obj->o_flags & ISPOST)
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82 sprintf(pb, "of %s", p_magic[obj->o_which].mi_name);
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83 else if (p_guess[obj->o_which])
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84 sprintf(pb, "named %s (%s)", p_guess[obj->o_which],
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85 p_colors[obj->o_which]);
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86 else {
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87 pb = prbuf;
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88 if (obj->o_count == 1)
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89 sprintf(pb, "A%s %s potion",
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90 vowelstr(p_colors[obj->o_which]),
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91 p_colors[obj->o_which]);
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