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annotate srogue/rgdata.c @ 280:70aa5808c782

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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 2128c7dc8a40
children
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36
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1 /*
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2 * Super-Rogue
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3 * Copyright (C) 1984 Robert D. Kindelberger
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4 * All rights reserved.
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5 *
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6 * See the file LICENSE.TXT for full copyright and licensing information.
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7 */
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8
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9 #include "global.c"
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10
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11 main(argc,argv)
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12 char **argv;
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13 int argc;
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14 {
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15 char *ptr;
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16 int i, j, k;
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17 struct magic_item *mi;
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18 struct init_weps *wp;
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19 struct init_armor *ar;
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20 struct monster *mo;
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21 FILE *fo;
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22
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23 /*
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24 * write to desired output file
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25 */
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26 if (argc > 1) {
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27 fo = fopen(argv[1], "w");
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28 if (fo == NULL) {
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29 printf("%s: %s not writable\n",argv[0],argv[1]);
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30 exit(1);
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31 }
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32 }
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33 else
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34 fo = stdout;
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35
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36 /*
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37 * print total chances for armor, weapons, food, scrolls, etc
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38 */
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39 fprintf(fo," \n\n\n\n\n\n");
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40 fprintf(fo,"\t ITEM GENERAL INFO\n\n\n");
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41 fprintf(fo,"NAME\t\tCHANCE\t\tWEIGHT\n\n");
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42 for (mi = &things[0]; mi < &things[NUMTHINGS]; mi++) {
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43 fprintf(fo,"%s\t\t",mi->mi_name);
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44 i = mi->mi_prob / 10;
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45 j = mi->mi_prob % 10;
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46 fprintf(fo,"%2d.%1d %%\t\t",i,j);
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47 i = mi->mi_wght / 10;
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48 j = mi->mi_wght % 10;
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49 if (i == 0 && j == 0)
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50 fprintf(fo,"%3s\n","*");
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51 else
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52 fprintf(fo,"%3d.%1d lbs\n",i,j);
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53 }
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54 fprintf(fo,"\n\n\n\n\n\n\nNOTES - * means that weight depends on which one of that item type\n");
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55 fprintf(fo," - All items weigh 20%% more when cursed\n");
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56
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57 /*
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58 * print stuff about potions
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59 */
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60 fprintf(fo," \n\n\n\n\n\n");
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61 fprintf(fo,"\t\t POTION INFO\n\n\n");
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62 fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n");
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63 for (mi = &p_magic[0]; mi < &p_magic[MAXPOTIONS]; mi++) {
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64 fprintf(fo,"%s\t",mi->mi_name);
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65 k = strlen(mi->mi_name);
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66 if (k < 8)
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67 ptr = "\t\t\t";
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68 else if (k >= 16)
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69 ptr = "\t";
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70 else
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71 ptr = "\t\t";
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72 fprintf(fo,"%s", ptr);
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73 i = mi->mi_prob / 10;
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74 j = mi->mi_prob % 10;
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75 fprintf(fo,"%2d.%1d %%\t\t",i,j);
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76 fprintf(fo,"%3d\n",mi->mi_worth);
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77 }
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78 fprintf(fo,"\n\n\n\n\nNOTE - All potions weigh 0.5 lbs\n");
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79
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80
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81 /*
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82 * print stuff about scrolls
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83 */
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84 fprintf(fo," \n\n\n\n\n\n");
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85 fprintf(fo,"\t\t SCROLL INFO\n\n\n");
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86 fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n");
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87 for (mi = &s_magic[0]; mi < &s_magic[MAXSCROLLS]; mi++) {
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88 fprintf(fo,"%s\t",mi->mi_name);
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89 k = strlen(mi->mi_name);
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90 if (k < 8)
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91 ptr = "\t\t\t";
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92 else if (k >= 16)
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93 ptr = "\t";
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94 else
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95 ptr = "\t\t";
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96 fprintf(fo,"%s", ptr);
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97 i = mi->mi_prob / 10;
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98 j = mi->mi_prob % 10;
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99 fprintf(fo,"%2d.%1d %%\t\t",i,j);
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100 fprintf(fo,"%3d\n",mi->mi_worth);
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101 }
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102 fprintf(fo,"\n\n\n\n\nNOTE - All scrolls weigh 3.0 lbs\n");
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103
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104
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105 /*