Mercurial > hg > early-roguelike
annotate rogue5/save.c @ 239:837044d2c362
Merge the GCC5 and build fix branches.
This fixes all warnings produced by GCC 5, except the ones related to
system functions. Those could be fixed by including the proper headers,
but it would be better to replace the system-dependent code with
functions from mdport.c.
author | John "Elwin" Edwards |
---|---|
date | Fri, 11 Mar 2016 19:47:52 -0500 |
parents | af6b05e86747 |
children | 3d4252fa2ed3 |
rev | line source |
---|---|
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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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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301 */ |
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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308 int temp; |
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309 size_t o_size = size; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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315 errno = encerrno; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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351 fb = 0; |
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352 |
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353 if (encerrno) { |
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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361 e2 = statlist; |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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362 |
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363 while (read_size--) |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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:
diff
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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
changeset
|
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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|
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)
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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
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|
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)
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parents:
diff
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|
412 */ |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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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)
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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) |
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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)
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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
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|
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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429 sprintf(scoreline, " %u %d %u %u %d %x \n", |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
elwin
parents:
diff
changeset
|
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 } |