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annotate srogue/pstats.c @ 310:827441d05b3e

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Advanced Rogue family: fix some potential buffer overflows. Some code for determining the score file location assumed that PATH_MAX would be less than 1024, which cannot be guaranteed. Advanced Rogue 5 and 7, and XRogue, have had the buffers for the file name enlarged. UltraRogue never called the functions, so the code has been deleted instead.
author John "Elwin" Edwards
date Mon, 03 May 2021 19:05:37 -0400
parents 057c5114e244
children
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1 /*
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2 * Players status routines
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3 *
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4 * @(#)pstats.c 9.0 (rdk) 7/17/84
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5 *
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6 * Super-Rogue
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7 * Copyright (C) 1984 Robert D. Kindelberger
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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 "rogue.h"
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14 #include "rogue.ext"
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15
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16 void updabil(int what, int amt, struct real *pst, int how);
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17 int hungdam(void);
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18
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19 /*
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20 * chg_hpt:
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21 * Changes players hit points
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22 */
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23 void
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24 chg_hpt(int howmany, bool alsomax, unsigned char what)
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25 {
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26 nochange = FALSE;
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27 if(alsomax)
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28 him->s_maxhp += howmany;
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29 him->s_hpt += howmany;
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30 if (him->s_hpt < 1) {
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31 msg(" ");
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32 death(what);
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33 }
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34 }
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35
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36
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37 /*
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38 * rchg_str:
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39 * Update the players real strength
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40 */
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41 void
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42 rchg_str(int amt)
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43 {
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44 chg_abil(STR,amt,TRUE);
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45 }
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46
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47 /*
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48 * chg_abil:
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49 * Used to modify the hero's abilities
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50 */
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51 void
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52 chg_abil(int what, int amt, int how)
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53 {
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54 if (amt == 0)
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55 return;
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56 if (how == TRUE) { /* real (must be 1st) */
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57 updabil(what,amt,&pstats.s_re,TRUE);
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58 how = FALSE;
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59 }
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60 updabil(what,amt,&pstats.s_ef,how); /* effective */
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61 updpack();
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62 wghtchk(FALSE);
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63 }
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64
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65 /*
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66 * updabil:
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67 * Do the actual abilities updating
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68 */
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69 void
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70 updabil(int what, int amt, struct real *pst, int how)
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71 {
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72 register int *wh, *mx, *mr;
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73 struct real *mst, *msr;
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74 bool is_str = FALSE;
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75 int rtype;
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76
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77 msr = &him->s_re;
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78 if (how == TRUE) /* max real abilities */
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79 mst = &max_stats.s_re;
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80 else /* max effective abil */
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81 mst = &max_stats.s_ef;
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82 switch (what) {
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83 case STR:
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84 is_str = TRUE;
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85 wh = &pst->a_str;
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86 mx = &mst->a_str;
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87 mr = &msr->a_str;
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88 rtype = R_ADDSTR;
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89 when DEX:
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90 wh = &pst->a_dex;
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91 mx = &mst->a_dex;
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92 mr = &msr->a_dex;
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93 rtype = R_DEX;
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94 when CON:
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95 wh = &pst->a_con;
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96 mx = &mst->a_con;
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97 mr = &msr->a_con;
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98 rtype = R_CONST;
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99 when WIS:
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100 wh = &pst->a_wis;
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101 mx = &mst->a_wis;
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102 mr = &msr->a_wis;
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103 rtype = R_KNOW;