Mercurial > hg > early-roguelike
annotate rogue3/save.c @ 248:182e26224f92 rel2016.06
README.txt: additions and clarifications.
author | John "Elwin" Edwards |
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date | Sun, 29 May 2016 17:05:38 -0400 |
parents | d852b8f088c5 |
children | 3d4252fa2ed3 |
rev | line source |
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0
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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 { |
30 | 43 if (use_savedir) |
44 msg("Save game? "); | |
45 else | |
46 msg("Save file (%s)? ", file_name); | |
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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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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 |
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105 for (i = 0; i < NSIG; i++) |
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106 signal(i, SIG_IGN); |
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107 if (file_name[0] != '\0' && (savef = fopen(file_name, "w")) != NULL) |
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108 save_file(savef); |
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109 endwin(); |
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110 exit(1); |
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111 } |
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112 |
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113 /* |
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114 * write the saved game on the file |
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115 */ |
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116 int |
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117 save_file(FILE *savef) |
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118 { |
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119 char buf[80]; |
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120 int ret; |
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121 |
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122 wmove(cw, LINES-1, 0); |
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123 draw(cw); |
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124 (void) fseek(savef, 0L, 0); |
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125 |
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126 memset(buf,0,80); |
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127 strcpy(buf,version); |
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128 encwrite(buf,80,savef); |
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129 memset(buf,0,80); |
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130 strcpy(buf,"R36 2\n"); |
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131 encwrite(buf,80,savef); |
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132 memset(buf,0,80); |
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133 sprintf(buf,"%d x %d\n", LINES, COLS); |
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134 encwrite(buf,80,savef); |
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135 |
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136 ret = rs_save_file(savef); |
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137 |
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138 fclose(savef); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
139 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
140 return(ret); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
141 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
142 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
143 int |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
144 restore(char *file, char **envp) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
145 { |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
146 FILE *inf; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
147 extern char **environ; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
148 char buf[80]; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
149 int slines, scols; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
150 int rogue_version = 0, savefile_version = 0; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
151 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
152 if (strcmp(file, "-r") == 0) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
153 file = file_name; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
154 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
155 if ((inf = fopen(file, "r")) == NULL) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
156 { |
1 | 157 if (use_savedir && errno == ENOENT) |
158 { | |
159 /* We're using the system savefile and it doesn't exist. | |
160 * This isn't a fatal error, we'll just start a new game. */ | |
161 return TRUE; | |
162 } | |
163 else | |
164 { | |
165 perror(file); | |
166 return FALSE; | |
167 } | |
0
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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168 } |
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169 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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170 fflush(stdout); |
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|
171 encread(buf, 80, inf); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
172 |
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|
173 if (strcmp(buf, version) != 0) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
174 { |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
175 printf("Sorry, saved game is out of date.\n"); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
176 return FALSE; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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|
177 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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|
178 |
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179 encread(buf, 80, inf); |
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|
180 (void) sscanf(buf, "R%d %d\n", &rogue_version, &savefile_version); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
181 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
182 if ((rogue_version != 36) && (savefile_version != 2)) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
183 { |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
184 printf("Sorry, saved game format is out of date.\n"); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
185 return FALSE; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
186 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
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|
187 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
188 encread(buf,80,inf); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
changeset
|
189 (void) sscanf(buf,"%d x %d\n",&slines, &scols); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
190 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
191 /* |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
192 * we do not close the file so that we will have a hold of the |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
193 * inode for as long as possible |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
194 */ |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
195 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
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|
196 initscr(); |
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|
197 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
198 if (slines > LINES) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
199 { |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
200 endwin(); |
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diff
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|
201 printf("Sorry, original game was played on a screen with %d lines.\n",slines); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
202 printf("Current screen only has %d lines. Unable to restore game\n",LINES); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
203 return(FALSE); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
204 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
205 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
206 if (scols > COLS) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
207 { |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
208 endwin(); |
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diff
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|
209 printf("Sorry, original game was played on a screen with %d columns.\n",scols); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
210 printf("Current screen only has %d columns. Unable to restore game\n",COLS); |
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|
211 return(FALSE); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
212 } |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
213 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
214 cw = newwin(LINES, COLS, 0, 0); |
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diff
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|
215 mw = newwin(LINES, COLS, 0, 0); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
216 hw = newwin(LINES, COLS, 0, 0); |
32
2dcd75e6a736
Fix the playback bug which was caused by CR/LF confusion
elwin
parents:
30
diff
changeset
|
217 nonl(); |
0
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parents:
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|
218 nocrmode(); |
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|
219 keypad(cw,1); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
220 mpos = 0; |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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diff
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|
221 mvwprintw(cw, 0, 0, "%s", file); |
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parents:
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|
222 |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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|
223 if (rs_restore_file(inf) != 0) |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
224 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
225 endwin(); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
226 printf("Cannot restore file\n"); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
227 return(FALSE); |
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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
228 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
229 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
230 if (!wizard && (md_unlink_open_file(file, inf) < 0)) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
231 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
232 endwin(); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
233 printf("Cannot unlink file\n"); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
234 return FALSE; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
235 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
236 |
85
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
237 if (pstats.s_hpt <= 0) { |
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
238 endwin(); |
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
239 printf("This character is already dead.\n"); |
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
240 return FALSE; |
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
241 } |
d852b8f088c5
Refuse to restore if the character is dead.
John "Elwin" Edwards
parents:
32
diff
changeset
|
242 |
0
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
243 environ = envp; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
244 strcpy(file_name, file); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
245 setup(); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
246 clearok(curscr, TRUE); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
247 touchwin(cw); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
248 srand(md_getpid()); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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diff
changeset
|
249 status(); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
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|
250 playit(); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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diff
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|
251 /*NOTREACHED*/ |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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diff
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|
252 return(0); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
253 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
254 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
255 static int encerrno = 0; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
256 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
257 int |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
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diff
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|
258 encerror() |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
259 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
260 return encerrno; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
261 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
262 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
263 void |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
264 encseterr(int err) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
265 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
266 encerrno = err; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
267 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
268 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
269 int |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
270 encclearerr() |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
271 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
272 int n = encerrno; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
273 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
274 encerrno = 0; |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
275 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
276 return(n); |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
277 } |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
278 |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
279 /* |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
280 * perform an encrypted write |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
281 */ |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
282 size_t |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
283 encwrite(const void *buf, size_t size, FILE *outf) |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
|
284 { |
527e2150eaf0
Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff
changeset
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285 char *ep; |
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286 const char *start = buf; |
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287 size_t o_size = size; |
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288 ep = encstr; |
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289 |
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290 while (size) |
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291 { |
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292 if (putc(*start++ ^ *ep++, outf) == EOF) |
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293 return(o_size - size); |
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294 if (*ep == '\0') |
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295 ep = encstr; |
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296 size--; |
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297 } |
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298 |
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299 return(o_size - size); |
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300 } |
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301 |
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302 /* |
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303 * perform an encrypted read |
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304 */ |
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305 size_t |
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306 encread(void *buf, size_t size, FILE *inf) |
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307 { |
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308 char *ep; |
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309 size_t read_size; |
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310 char *start = buf; |
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311 |
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312 if ((read_size = fread(start,1,size,inf)) == 0) |
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313 return 0; |
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314 |
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315 ep = encstr; |
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316 |
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317 while (size--) |
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318 { |
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319 *start++ ^= *ep++; |
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320 if (*ep == '\0') |
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321 ep = encstr; |
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322 } |
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323 return read_size; |
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324 } |