annotate rogue3/save.c @ 229:50b89f165a34

Use uniform return types for functions related to options. Functions for printing options now return void. Functions for setting options now return int. Argument types still vary, though converting all the option pointers to void* would be possible.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 14:45:18 -0500
parents d852b8f088c5
children 3d4252fa2ed3
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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 3.9 (Berkeley) 6/16/81
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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 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 <ctype.h>
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15 #include <sys/types.h>
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16 #include <sys/stat.h>
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17 #include <signal.h>
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18 #include <errno.h>
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19 #include <string.h>
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20 #include <stdlib.h>
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21 #include "machdep.h"
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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
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28 STAT sbuf;
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29
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30 int
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31 save_game()
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32 {
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33 FILE *savef;
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34 int c;
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35 char buf[80];
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36
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37 /*
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38 * get file name
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39 */
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40 mpos = 0;
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41 if (file_name[0] != '\0')
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42 {
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09da55b986ca Slightly modify savefile location and prompt
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43 if (use_savedir)
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44 msg("Save game? ");
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45 else
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46 msg("Save file (%s)? ", file_name);
0
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47 do
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48 {
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49 c = readchar(cw);
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50 } while (c != 'n' && c != 'N' && c != 'y' && c != 'Y');
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51 mpos = 0;
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52 if (c == 'y' || c == 'Y')
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53 {
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54 msg("File name: %s", file_name);
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55 goto gotfile;
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56 }
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e676d52b5d09 Prevent changing name or save file when using system savedir
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57 if (use_savedir)
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58 return FALSE;
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59 /* because you're not allowed to change the savefile if
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60 you're using the system savedir! */
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61 }
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62
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63 do
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64 {
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65 msg("File name: ");
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66 mpos = 0;
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67 buf[0] = '\0';
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68 if (get_str(buf, cw) == QUIT)
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69 {
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70 msg("");
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71 return FALSE;
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72 }
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73 strcpy(file_name, buf);
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74 gotfile:
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75 if ((savef = fopen(file_name, "w")) == NULL)
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76 {
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77 msg(strerror(errno)); /* fake perror() */
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78 if (use_savedir)
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79 return FALSE;
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80 }
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81 } while (savef == NULL);
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82
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83 /*
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84 * write out encrypted file (after a stat)
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85 * The fwrite is to force allocation of the buffer before the write
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86 */
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87 if (save_file(savef) != 0)
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88 {
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89 msg("Save game failed!");
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90 return FALSE;
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91 }
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92 return TRUE;
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93 }
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94
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95 /*
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96 * automatically save a file. This is used if a HUP signal is
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97 * recieved
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98 */
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99 void
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100 auto_save(int p)
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101 {
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102 FILE *savef;
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103 int i;
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104