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annotate rogue4/save.c @ 120:d6b7c3fb37ea

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srogue: add and use more md_* portable functions. Privileges and memory usage checks are now more portable.
author John "Elwin" Edwards
date Fri, 02 May 2014 15:06:23 -0700
parents ee250e3646fd
children 8dd4b06a9155
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12
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1 /*
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2 * save and restore routines
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3 *
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4 * @(#)save.c 4.15 (Berkeley) 5/10/82
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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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 <curses.h>
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14 #include <sys/types.h>
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15 #include <sys/stat.h>
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16 #include <errno.h>
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17 #include <string.h>
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18 #include <stdlib.h>
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19 #define KERNEL
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20 #include <signal.h>
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21 #undef KERNEL
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22 #include "rogue.h"
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23
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24 typedef struct stat STAT;
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25
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26 extern char version[], encstr[];
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27 extern bool _endwin;
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28
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29 STAT sbuf;
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30
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31 /*
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32 * save_game:
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33 * Implement the "save game" command
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34 */
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35 /* This has to be cleaned up, these goto's are annoying. */
12
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36 save_game()
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37 {
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38 register FILE *savef;
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39 register int c;
112
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40 char buf[256];
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41
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42 /*
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43 * get file name
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44 */
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45 mpos = 0;
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46 over:
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47 if (file_name[0] != '\0')
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48 {
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49 for (;;)
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50 {
30
09da55b986ca Slightly modify savefile location and prompt
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51 if (use_savedir)
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52 msg("Save game? ");
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53 else
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54 msg("save file (%s)? ", file_name);
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55 c = getchar();
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56 mpos = 0;
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57 if (c == ESCAPE)
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58 {
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59 msg("");
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60 return FALSE;
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61 }
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62 else if (c == 'n' || c == 'N' || c == 'y' || c == 'Y')
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63 break;
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64 else
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65 msg("please answer Y or N");
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66 }
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67 if (c == 'y' || c == 'Y')
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68 {
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69 strcpy(buf, file_name);
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70 goto gotfile;
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71 }
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72 }
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73
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74 if (use_savedir)
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75 {
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76 /* You can't change the savefile if you're using the system
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77 savedir, because that means you have privileges. */
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78 msg("");
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79 return FALSE;
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80 }
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81
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82 do
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83 {
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84 mpos = 0;
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85 msg("file name: ");
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86 buf[0] = '\0';
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87 if (get_str(buf, stdscr) == QUIT)
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88 {
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89 quit:
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90 msg("");
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91 return FALSE;
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92 }
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93 mpos = 0;
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94 gotfile:
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95 /*
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96 * test to see if the file exists
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97 */
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98 if (stat(buf, &sbuf) >= 0)
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99 {
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100 for (;;)
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101 {
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102 msg("File exists. Do you wish to overwrite it?");
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103 mpos = 0;
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104 if ((c = readchar()) == ESCAPE)
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