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annotate arogue5/save.c @ 306:057c5114e244

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Super-Rogue: fix some out-of-range constants. Constants K_ARROW etc., for causes of death other than monsters, are in the 240-255 range. They were often passed to functions taking char, which is usually signed, making the values out of range. The function declarations have been changed to unsigned char, which is also the type used by the scoreboard code.
author John "Elwin" Edwards
date Sat, 17 Apr 2021 15:41:12 -0400
parents e52a8a7ad4c5
children
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1 /*
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2 * save and restore routines
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 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 #include "curses.h"
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16 #include <stdlib.h>
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17 #include <string.h>
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18 #include <fcntl.h>
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19 #include <errno.h>
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20 #include <ctype.h>
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21 #include <sys/types.h>
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22 #include <sys/stat.h>
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23 #include <signal.h>
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24 #include <time.h>
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25 #include "rogue.h"
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26
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27 bool save_file(FILE *savef);
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28
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29 typedef struct stat STAT;
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30
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31 extern char version[], encstr[];
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32 /* extern bool _endwin; */
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33
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34 STAT sbuf;
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35
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36 bool
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37 save_game(void)
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38 {
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39 register FILE *savef;
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40 register int c;
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41 char buf[LINELEN];
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42
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43 /*
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44 * get file name
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45 */
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46 mpos = 0;
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47 if (file_name[0] != '\0')
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48 {
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49 if (use_savedir)
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50 msg("Save game? ");
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51 else
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52 msg("Save file (%s)? ", file_name);
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53 do
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54 {
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55 c = readchar();
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56 if (c == ESCAPE) return(0);
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57 } while (c != 'n' && c != 'N' && c != 'y' && c != 'Y');
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58 mpos = 0;
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59 if (c == 'y' || c == 'Y')
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60 {
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61 msg("File name: %s", file_name);
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62 goto gotfile;
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63 }
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64 if (use_savedir) {
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65 msg("");
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66 return FALSE;
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67 }
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68 }
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69
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70 do
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71 {
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72 msg("File name: ");
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73 mpos = 0;
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74 buf[0] = '\0';
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75 if (get_str(buf, msgw) == QUIT)
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76 {
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77 msg("");
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78 return FALSE;
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79 }
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80 msg("");
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81 strcpy(file_name, buf);
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82 gotfile:
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83 if ((savef = fopen(file_name, "w")) == NULL)
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84 {
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85 msg(strerror(errno)); /* fake perror() */
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86 if (use_savedir)
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87 return FALSE;
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88 }
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89 } while (savef == NULL);
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90
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91 /*
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92 * write out encrpyted file (after a stat)
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93 * The fwrite is to force allocation of the buffer before the write
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94 */
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95 if (save_file(savef) != 0) {
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96 msg("Cannot create save file.");
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97 md_unlink(file_name);
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98 return(FALSE);
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99 }
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100 else return(TRUE);
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101 }