Mercurial > hg > early-roguelike
annotate rogue5/rip.c @ 280:70aa5808c782
Fix potential segfaults at restore related to ctime().
In some games, restore() passes the result of ctime() to mvprintw() or
some other variadic message-formatting function. If ctime() has not
been declared properly, its return type is inferred to be int instead
of char *. This does not cause a warning because the compiler does not
know the correct type of variadic arguments.
On platforms where ints and pointers are not the same size, this can,
probably depending on alignment, result in a segfault that is not easy
to trace.
Including time.h fixes the problem. Some games manually declared
ctime() and avoided the bug. These declarations have also been
replaced with the include.
author | John "Elwin" Edwards |
---|---|
date | Fri, 15 Sep 2017 20:51:10 -0400 |
parents | ee250e3646fd |
children | 0250220d8cdd |
rev | line source |
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33
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1 /* |
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2 * File for the fun ends |
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3 * Death or a total win |
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4 * |
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5 * @(#)rip.c 4.57 (Berkeley) 02/05/99 |
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6 * |
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7 * Rogue: Exploring the Dungeons of Doom |
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8 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman |
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9 * All rights reserved. |
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10 * |
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11 * See the file LICENSE.TXT for full copyright and licensing information. |
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12 */ |
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13 |
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14 #include <stdlib.h> |
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15 #include <string.h> |
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16 #include <time.h> |
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17 #include <signal.h> |
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18 #include <sys/types.h> |
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19 #include <ctype.h> |
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20 #include <fcntl.h> |
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21 #include <curses.h> |
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22 #include "rogue.h" |
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23 #include "score.h" |
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24 |
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25 static char *rip[] = { |
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26 " __________\n", |
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27 " / \\\n", |
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28 " / REST \\\n", |
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29 " / IN \\\n", |
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30 " / PEACE \\\n", |
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31 " / \\\n", |
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32 " | |\n", |
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33 " | |\n", |
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34 " | killed by a |\n", |
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35 " | |\n", |
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36 " | 1980 |\n", |
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37 " *| * * * | *\n", |
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38 " ________)/\\\\_//(\\/(/\\)/\\//\\/|_)_______\n", |
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39 0 |
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40 }; |
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41 |
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42 /* |
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43 * score: |
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44 * Figure score and post it. |
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45 */ |
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46 /* VARARGS2 */ |
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47 |
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48 void |
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49 score(int amount, int flags, int monst) |
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50 { |
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51 SCORE *scp; |
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52 int i; |
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53 SCORE *sc2; |
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54 SCORE *top_ten, *endp; |
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55 # ifdef MASTER |
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56 int prflags = 0; |
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57 # endif |
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58 void (*fp)(int); |
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59 uid_t uid; |
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60 char *reason[] = { |
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61 "killed", |
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62 "quit", |
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63 "A total winner", |
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64 "killed with Amulet" |
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65 }; |
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66 |
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67 start_score(); |
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68 |
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69 if (flags >= 0 |
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70 #ifdef MASTER |
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71 || wizard |
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72 #endif |
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73 ) |
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74 { |
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75 mvaddstr(LINES - 1, 0 , "[Press return to continue]"); |
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76 refresh(); |
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77 wgetnstr(stdscr,prbuf,80); |
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78 endwin(); |
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79 printf("\n"); |
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80 resetltchars(); |
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81 /* |
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82 * free up space to "guarantee" there is space for the top_ten |
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83 */ |
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84 delwin(stdscr); |
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85 delwin(curscr); |
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86 if (hw != NULL) |
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87 delwin(hw); |
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88 } |
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89 |
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90 top_ten = malloc(numscores * sizeof (SCORE)); |
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91 |
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92 if (top_ten == NULL) |
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93 return; |
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94 |
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95 endp = &top_ten[numscores]; |
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96 for (scp = top_ten; scp < endp; scp++) |
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97 { |
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98 scp->sc_score = 0; |
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99 for (i = 0; i < MAXSTR; i++) |
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100 scp->sc_name[i] = (char) rnd(255); |
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101 scp->sc_flags = RN; |
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102 scp->sc_level = RN; |
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103 scp->sc_monster = RN; |
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104 scp->sc_uid = RN; |
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105 } |
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106 |
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107 signal(SIGINT, SIG_DFL); |
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