Mercurial > hg > early-roguelike
annotate rogue5/save.c @ 201:6fb21004a981
Fix some preprocessor directives.
Include process.h in the right place, and use the correct definition of
PATH_MAX, when compiling on Windows.
author | John "Elwin" Edwards |
---|---|
date | Wed, 12 Aug 2015 16:56:19 -0400 |
parents | af6b05e86747 |
children | 3d4252fa2ed3 |
rev | line source |
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33
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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 4.33 (Berkeley) 06/01/83 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980-1983, 1985, 1999 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 <stdlib.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 <signal.h> |
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18 #include <string.h> |
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19 #include <curses.h> |
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20 #include "rogue.h" |
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21 #include "score.h" |
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22 |
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23 /* |
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24 * save_game: |
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25 * Implement the "save game" command |
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26 */ |
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27 |
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28 void |
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29 save_game(void) |
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30 { |
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31 FILE *savef; |
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32 int c; |
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33 char buf[MAXSTR]; |
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34 struct stat sbuf; |
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35 /* |
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36 * get file name |
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37 */ |
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38 mpos = 0; |
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39 over: |
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40 if (file_name[0] != '\0') |
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41 { |
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42 for (;;) |
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43 { |
34 | 44 if (use_savedir) |
45 msg("Save game? "); | |
46 else | |
47 msg("Save file (%s)? ", file_name); | |
33
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48 c = readchar(); |
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49 mpos = 0; |
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50 if (c == ESCAPE) |
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51 { |
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52 msg(""); |
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53 return; |
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54 } |
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55 else if (c == 'n' || c == 'N' || c == 'y' || c == 'Y') |
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56 break; |
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57 else |
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58 msg("please answer Y or N"); |
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59 } |
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60 if (c == 'y' || c == 'Y') |
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61 { |
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62 addstr("Yes\n"); |
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63 refresh(); |
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64 strcpy(buf, file_name); |
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65 goto gotfile; |
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66 } |
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67 } |
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68 |
34 | 69 if (use_savedir) /* User chose N, changing location isn't allowed. */ |
70 goto quit_it; | |
33
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71 do |
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72 { |
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73 mpos = 0; |
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74 msg("file name: "); |
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75 buf[0] = '\0'; |
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76 if (get_str(buf, stdscr) == QUIT) |
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77 { |
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78 quit_it: |
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79 msg(""); |
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80 return; |
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81 } |
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82 mpos = 0; |
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83 gotfile: |
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84 /* |
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85 * test to see if the file exists |
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86 */ |
34 | 87 if (stat(buf, &sbuf) >= 0 && !use_savedir) |
33
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88 { |
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89 for (;;) |
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90 { |
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91 msg("File exists. Do you wish to overwrite it?"); |
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92 mpos = 0; |
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93 if ((c = readchar()) == ESCAPE) |
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94 goto quit_it; |
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95 if (c == 'y' || c == 'Y') |
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96 break; |
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97 else if (c == 'n' || c == 'N') |
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98 goto over; |
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99 else |
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100 msg("Please answer Y or N"); |
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101 } |
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102 msg("file name: %s", buf); |
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103 md_unlink(file_name); |
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104 } |
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105 strcpy(file_name, buf); |
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106 if ((savef = fopen(file_name, "w")) == NULL) |
34 | 107 { |
33
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108 msg(strerror(errno)); |
34 | 109 if (use_savedir) |
110 return; | |
111 } | |
33
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112 } while (savef == NULL); |
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113 msg(""); |
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114 save_file(savef); |
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115 /* NOTREACHED */ |
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116 } |
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117 |
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118 /* |
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119 * auto_save: |
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120 * Automatically save a file. This is used if a HUP signal is |
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121 * recieved |
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122 */ |
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123 |
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124 void |
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125 auto_save(int sig) |
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126 { |
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127 FILE *savef; |
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128 NOOP(sig); |
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129 |
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130 md_ignoreallsignals(); |
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131 if (file_name[0] != '\0' && ((savef = fopen(file_name, "w")) != NULL || |
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132 (md_unlink_open_file(file_name, savef) >= 0 && (savef = fopen(file_name, "w")) != NULL))) |
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133 save_file(savef); |
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134 exit(0); |
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135 } |
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136 |
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137 /* |
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138 * save_file: |
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139 * Write the saved game on the file |
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140 */ |
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141 |
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142 void |
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143 save_file(FILE *savef) |
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144 { |
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145 char buf[80]; |
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146 mvcur(0, COLS - 1, LINES - 1, 0); |
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147 putchar('\n'); |
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148 endwin(); |
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149 resetltchars(); |
34 | 150 md_chmod(file_name, 0644); |
33
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151 encwrite(version, strlen(version)+1, savef); |
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152 sprintf(buf,"%d x %d\n", LINES, COLS); |
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153 encwrite(buf,80,savef); |
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154 rs_save_file(savef); |
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155 fflush(savef); |
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156 fclose(savef); |
34 | 157 printf("See you soon, %s!\n", whoami); |
33
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158 exit(0); |
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159 } |
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160 |
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161 /* |
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162 * restore: |
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163 * Restore a saved game from a file with elaborate checks for file |
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164 * integrity from cheaters |
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165 */ |
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166 int |
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167 restore(const char *file) |
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168 { |
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169 FILE *inf; |
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170 int syml; |
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171 char buf[MAXSTR]; |
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172 struct stat sbuf2; |
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173 int lines, cols; |
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174 |
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175 if (strcmp(file, "-r") == 0) |
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176 file = file_name; |
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177 |
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178 md_tstphold(); |
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179 |
34 | 180 if ((inf = fopen(file,"r")) == NULL) |
33
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181 { |
34 | 182 /* If a system savefile doesn't exist, start a new game. */ |
183 if (use_savedir && errno == ENOENT) | |
184 return TRUE; | |
33
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185 perror(file); |
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186 return FALSE; |
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187 } |
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188 stat(file, &sbuf2); |
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189 syml = is_symlink(file); |
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190 |
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191 fflush(stdout); |
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192 encread(buf, strlen(version) + 1, inf); |
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193 if (strcmp(buf, version) != 0) |
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194 { |
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195 printf("Sorry, saved game is out of date.\n"); |
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196 return FALSE; |
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197 } |
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198 encread(buf,80,inf); |
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199 (void) sscanf(buf,"%d x %d\n", &lines, &cols); |
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200 |
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201 initscr(); /* Start up cursor package */ |
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202 keypad(stdscr, 1); |
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203 |
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204 if (lines > LINES) |
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205 { |
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206 endwin(); |
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207 printf("Sorry, original game was played on a screen with %d lines.\n",lines); |
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208 printf("Current screen only has %d lines. Unable to restore game\n",LINES); |
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209 return(FALSE); |
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210 } |
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211 if (cols > COLS) |
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212 { |
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213 endwin(); |
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214 printf("Sorry, original game was played on a screen with %d columns.\n",cols); |
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215 printf("Current screen only has %d columns. Unable to restore game\n",COLS); |
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216 return(FALSE); |
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217 } |
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218 |
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219 hw = newwin(LINES, COLS, 0, 0); |
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220 setup(); |
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221 |
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222 rs_restore_file(inf); |
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223 /* |
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224 * we do not close the file so that we will have a hold of the |
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225 * inode for as long as possible |
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226 */ |
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227 |
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228 if ( |
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229 #ifdef MASTER |
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230 !wizard && |
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231 #endif |
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232 md_unlink_open_file(file, inf) < 0) |
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233 { |
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234 printf("Cannot unlink file\n"); |
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235 return FALSE; |
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236 } |
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237 mpos = 0; |
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238 /* printw(0, 0, "%s: %s", file, ctime(&sbuf2.st_mtime)); */ |
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239 /* |
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240 printw("%s: %s", file, ctime(&sbuf2.st_mtime)); |
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241 */ |
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242 clearok(stdscr,TRUE); |
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243 /* |
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244 * defeat multiple restarting from the same place |
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245 */ |
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246 #ifdef MASTER |
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247 if (!wizard) |
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248 #endif |
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249 if (sbuf2.st_nlink != 1 || syml) |
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250 { |
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251 endwin(); |
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252 printf("\nCannot restore from a linked file\n"); |
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253 return FALSE; |
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254 } |
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255 |
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256 if (pstats.s_hpt <= 0) |
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257 { |
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258 endwin(); |
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259 printf("\n\"He's dead, Jim\"\n"); |
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260 return FALSE; |
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|
261 } |
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262 |
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263 md_tstpresume(); |
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264 |
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265 strcpy(file_name, file); |
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266 clearok(curscr, TRUE); |
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267 srand(md_getpid()); |
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268 msg("file name: %s", file); |
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269 playit(); |
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270 /*NOTREACHED*/ |
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271 return(0); |
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272 } |
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273 |
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274 static int encerrno = 0; |
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275 |
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276 int |
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277 encerror() |
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278 { |
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279 return encerrno; |
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280 } |
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281 |
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282 void |
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283 encseterr(int err) |
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284 { |
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285 encerrno = err; |
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|
286 } |
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287 |
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288 int |
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289 encclearerr() |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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290 { |
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291 int n = encerrno; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
292 |
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293 encerrno = 0; |
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294 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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295 return(n); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
296 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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297 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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298 /* |
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299 * encwrite: |
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300 * Perform an encrypted write |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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301 */ |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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302 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
303 size_t |
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304 encwrite(const char *start, size_t size, FILE *outf) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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305 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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306 const char *e1, *e2; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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307 char fb; |
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308 int temp; |
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309 size_t o_size = size; |
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310 e1 = encstr; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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311 e2 = statlist; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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312 fb = 0; |
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313 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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314 if (encerrno) { |
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315 errno = encerrno; |
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316 return 0; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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317 } |
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318 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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319 while(size) |
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320 { |
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321 if (putc(*start++ ^ *e1 ^ *e2 ^ fb, outf) == EOF) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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322 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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323 encerrno = errno; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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324 break; |
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325 } |
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326 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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327 temp = *e1++; |
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328 fb = fb + ((char) (temp * *e2++)); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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329 if (*e1 == '\0') |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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330 e1 = encstr; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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331 if (*e2 == '\0') |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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332 e2 = statlist; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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333 size--; |
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334 } |
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335 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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336 return(o_size - size); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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337 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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338 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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339 /* |
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340 * encread: |
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341 * Perform an encrypted read |
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342 */ |
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343 size_t |
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344 encread(char *start, size_t size, FILE *inf) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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345 { |
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346 const char *e1, *e2; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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347 char fb; |
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348 int temp; |
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349 size_t read_size; |
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350 size_t items; |
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351 fb = 0; |
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352 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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353 if (encerrno) { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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354 errno = encerrno; |
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355 return 0; |
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356 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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357 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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358 items = read_size = fread(start,1,size,inf); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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359 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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360 e1 = encstr; |
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361 e2 = statlist; |
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362 |
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363 while (read_size--) |
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364 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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365 *start++ ^= *e1 ^ *e2 ^ fb; |
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366 temp = *e1++; |
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367 fb = fb + (char)(temp * *e2++); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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368 if (*e1 == '\0') |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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369 e1 = encstr; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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370 if (*e2 == '\0') |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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371 e2 = statlist; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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372 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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373 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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374 if (items != size) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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375 encerrno = errno; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
376 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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377 return(items); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
378 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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379 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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380 /* |
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381 * read_scrore |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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382 * Read in the score file |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
383 */ |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
384 void |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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385 rd_score(SCORE *top_ten) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
386 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
387 char scoreline[100]; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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388 int i; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
389 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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390 if (scoreboard == NULL) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
391 return; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
392 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
393 rewind(scoreboard); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
394 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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395 for(i = 0; i < numscores; i++) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
396 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
397 encread(top_ten[i].sc_name, MAXSTR, scoreboard); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
398 scoreline[0] = '\0'; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
399 encread(scoreline, 100, scoreboard); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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400 (void) sscanf(scoreline, " %u %d %u %d %d %x \n", |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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401 &top_ten[i].sc_uid, &top_ten[i].sc_score, |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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402 &top_ten[i].sc_flags, &top_ten[i].sc_monster, |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
403 &top_ten[i].sc_level, &top_ten[i].sc_time); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
404 } |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
405 |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
406 rewind(scoreboard); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
407 } |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
408 |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
409 /* |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
410 * write_scrore |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
411 * Read in the score file |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
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|
412 */ |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
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|
413 void |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
414 wr_score(SCORE *top_ten) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
415 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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|
416 char scoreline[100]; |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
417 int i; |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
418 |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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diff
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|
419 if (scoreboard == NULL) |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
420 return; |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
421 |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
422 rewind(scoreboard); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
423 |
46 | 424 encerrno = 0; |
33
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
425 for(i = 0; i < numscores; i++) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
426 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
427 memset(scoreline,0,100); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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|
428 encwrite(top_ten[i].sc_name, MAXSTR, scoreboard); |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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429 sprintf(scoreline, " %u %d %u %u %d %x \n", |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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parents:
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430 top_ten[i].sc_uid, top_ten[i].sc_score, |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
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431 top_ten[i].sc_flags, top_ten[i].sc_monster, |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
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432 top_ten[i].sc_level, top_ten[i].sc_time); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
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433 encwrite(scoreline,100,scoreboard); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
434 } |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
435 |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
436 rewind(scoreboard); |
f502bf60e6e4
Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
437 } |