Mercurial > hg > early-roguelike
annotate srogue/save.c @ 164:49af2fd0bb0c
Move some autotools files to where configure can find them.
rogue5 uses config.guess and config.sub to find the canonical system
names. The configure script expects them to be in the same directory
as install-sh. So they have been relocated to the top level.
This is a quick and dirty fix. The eventual plan is to relocate them
to /dev/null.
I also suspect they should be used to set HOST, not TARGET. Rogue is
not a cross-compiler.
author | John "Elwin" Edwards |
---|---|
date | Tue, 16 Jun 2015 11:44:49 -0400 |
parents | e6c8652473fe |
children | 1863409c44cf |
rev | line source |
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36
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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 9.0 (rdk) 7/17/84 |
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5 * |
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6 * Super-Rogue |
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7 * Copyright (C) 1984 Robert D. Kindelberger |
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8 * All rights reserved. |
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9 * |
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10 * Based on "Rogue: Exploring the Dungeons of Doom" |
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11 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman |
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12 * All rights reserved. |
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13 * |
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14 * See the file LICENSE.TXT for full copyright and licensing information. |
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15 */ |
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16 |
60 | 17 #include <stdlib.h> |
18 #include <string.h> | |
36
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19 #include <unistd.h> |
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20 #include <ctype.h> |
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21 #include <fcntl.h> |
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22 #include <sys/types.h> |
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23 #include <sys/stat.h> |
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24 #include <signal.h> |
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25 #include <errno.h> |
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26 #include "rogue.h" |
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27 #include "rogue.ext" |
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28 |
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29 EXTCHAR version[]; |
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30 EXTCHAR *ctime(); |
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31 |
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32 typedef struct stat STAT; |
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33 STAT sbuf; |
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34 |
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35 /* |
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36 * ignore: |
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37 * Ignore ALL signals possible |
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38 */ |
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39 ignore() |
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40 { |
119 | 41 md_ignoreallsignals(); |
36
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42 } |
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43 |
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44 /* |
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45 * save_game: |
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46 * Save the current game |
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47 */ |
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48 save_game() |
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49 { |
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50 reg FILE *savef; |
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51 reg int c; |
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52 char buf[LINLEN]; |
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53 |
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54 mpos = 0; |
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55 if (file_name[0] != '\0') { |
38
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56 if (use_savedir) |
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57 msg("Save game? (y/n) "); |
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58 else |
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59 msg("Save file (%s)? ", file_name); |
36
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60 do { |
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61 c = wgetch(cw); |
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62 if(c == ESCAPE) { |
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63 msg(""); |
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64 return FALSE; |
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65 } |
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66 } while (c != 'n' && c != 'y'); |
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67 mpos = 0; |
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68 if (c == 'y') |
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69 goto gotfile; |
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70 } |
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71 if (use_savedir) { |
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72 msg(""); |
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73 return FALSE; |
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74 } |
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75 msg("File name: "); |
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76 mpos = 0; |
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77 buf[0] = '\0'; |
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78 if (get_str(buf, cw) == QUIT) { |
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79 msg(""); |
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80 return FALSE; |
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81 } |
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82 msg(""); |
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83 strcpy(file_name, buf); |
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84 gotfile: |
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85 c = dosave(); /* try to save this game */ |
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86 if (c == FALSE) |
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87 msg("Could not save game to file %s", file_name); |
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88 return c; |
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89 } |
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90 |
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91 /* |
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92 * auto_save: |
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93 * Automatically save a game |
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94 */ |
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95 void |
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96 auto_save(int a) |
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97 { |
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98 dosave(); /* save this game */ |
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99 byebye(1); /* so long for now */ |
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100 } |
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101 |
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102 /* |
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103 * game_err: |
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104 * When an error occurs. Set error flag and save game. |
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105 */ |
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106 void |
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107 game_err(int a) |
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108 { |
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109 int ok; |
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110 |
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111 ok = dosave(); /* try to save this game */ |
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112 clear(); |
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113 refresh(); |
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114 endwin(); |
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115 |
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116 printf("\nInternal error !!!\n\nYour game was "); |
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117 if (ok) |
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118 printf("saved."); |
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119 else |
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120 printf("NOT saveable."); |
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121 |
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122 fflush(stdout); |
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123 |
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124 #ifdef SIGIOT |
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125 signal(SIGIOT, SIG_DFL); /* allow core dump signal */ |
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126 #endif |
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127 |
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128 abort(); /* cause core dump */ |
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129 byebye(3); |
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130 } |
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131 |
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132 /* |
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133 * dosave: |
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134 * Set UID back to user and save the game |
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135 */ |
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136 dosave() |
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137 { |
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138 FILE *savef; |
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139 |
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140 ignore(); |
37 | 141 if (!use_savedir) |
142 { | |
120
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119
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143 md_resetpriv(); |
37 | 144 } |
36
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145 umask(022); |
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146 |
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147 if (file_name[0] != '\0') { |
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148 if ((savef = fopen(file_name,"w")) != NULL) |
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149 { |
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150 save_file(savef); |
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151 return TRUE; |
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152 } |
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153 } |
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154 return FALSE; |
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155 } |
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156 |
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157 /* |
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158 * save_file: |
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159 * Do the actual save of this game to a file |
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160 */ |
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161 save_file(savef) |
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162 FILE *savef; |
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163 { |
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164 reg int fnum; |
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165 int slines = LINES; |
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166 int scols = COLS; |
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167 |
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168 #ifdef __DJGPP__ /* st_ino w/ DJGPP under WinXP broken */ |
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169 _djstat_flags |= _STAT_INODE; /* so turn off computing it for now */ |
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170 #endif |
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171 |
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172 /* |
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173 * force allocation of the buffer now so that inodes, etc |
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174 * can be checked when restoring saved games. |
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175 */ |
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176 fnum = fileno(savef); |
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177 fstat(fnum, &sbuf); |
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178 write(fnum, "RDK", 4); |
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179 lseek(fnum, 0L, 0); |
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180 encwrite(version,strlen(version)+1,savef); |
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181 encwrite(&slines,sizeof(slines),savef); |
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182 encwrite(&scols,sizeof(scols),savef); |
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183 msg(""); |
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184 rs_save_file(savef); |
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185 close(fnum); |
119 | 186 md_onsignal_exit(); |
36
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187 wclear(cw); |
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188 draw(cw); |
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189 } |
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190 |
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191 /* |
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192 * restore: |
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193 * Restore a saved game from a file |
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194 */ |
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195 restore(file, envp) |
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196 char *file, **envp; |
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197 { |
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198 register inf, pid; |
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199 int ret_status; |
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200 #ifndef _AIX |
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201 extern char **environ; |
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202 #endif |
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203 #ifdef __DJGPP__ /* st_ino w/ DJGPP under WinXP broken */ |
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204 _djstat_flags |= _STAT_INODE; /* so turn off computing it for now */ |
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205 #endif |
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206 char buf[LINLEN]; |
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207 STAT sbuf2; |
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208 int slines, scols; |
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209 |
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210 if ((inf = open(file, O_RDONLY)) < 0) { |
37 | 211 if (use_savedir && errno == ENOENT) |
212 return TRUE; | |
213 else { | |
214 printf("Cannot read save game %s\n",file); | |
215 return FALSE; | |
216 } | |
36
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217 } |
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218 |
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219 encread(buf, strlen(version) + 1, inf); |
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220 |
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221 if (strcmp(buf, version) != 0) { |
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222 printf("Sorry, saved game version is out of date.\n"); |
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223 return FALSE; |
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|
224 } |
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225 |
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226 fstat(inf, &sbuf2); |
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227 |
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228 encread(&slines,sizeof(slines),inf); |
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229 encread(&scols,sizeof(scols),inf); |
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230 |
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231 /* |
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232 * we do not close the file so that we will have a hold of the |
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233 * inode for as long as possible |
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234 */ |
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235 |
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236 #ifdef __INTERIX |
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237 setenv("TERM","interix"); |
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|
238 #endif |
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239 |
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240 initscr(); |
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241 |
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|
242 if (slines > LINES) |
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|
243 { |
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244 endwin(); |
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245 printf("Sorry, original game was played on a screen with %d lines.\n",slines); |
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246 printf("Current screen only has %d lines. Unable to restore game\n",LINES); |
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247 return(FALSE); |
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248 } |
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249 |
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250 if (scols > COLS) |
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|
251 { |
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|
252 endwin(); |
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253 printf("Sorry, original game was played on a screen with %d columns.\n", scols); |
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254 printf("Current screen only has %d columns. Unable to restore game\n",COLS); |
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255 return(FALSE); |
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|
256 } |
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|
257 |
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258 cw = newwin(LINES, COLS, 0, 0); |
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259 mw = newwin(LINES, COLS, 0, 0); |
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260 hw = newwin(LINES, COLS, 0, 0); |
105
f0073eb75a6a
srogue: enable the keypad when restoring.
John "Elwin" Edwards
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85
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261 keypad(cw, 1); |
36
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262 |
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263 mpos = 0; |
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264 mvwprintw(cw, 0, 0, "%s: %s", file, ctime(&sbuf2.st_mtime)); |
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265 |
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266 /* defeat multiple restarting from the same place */ |
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267 |
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|
268 if (!wizard) |
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269 { |
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270 if (sbuf2.st_nlink != 1) |
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271 { |
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|
272 endwin(); |
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|
273 printf("Cannot restore from a linked file\n"); |
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274 return FALSE; |
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|
275 } |
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|
276 } |
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277 |
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278 if (rs_restore_file(inf) == FALSE) |
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279 { |
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280 endwin(); |
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281 printf("Cannot restore file\n"); |
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282 return(FALSE); |
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283 } |
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284 |
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285 #if defined(__CYGWIN__) || defined(__DJGPP__) |
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286 close(inf); |
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287 #endif |
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288 if (!wizard) |
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289 { |
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290 #if defined(HAVE_WORKING_FORK) |
36
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291 endwin(); |
37 | 292 if (!use_savedir) |
36
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293 { |
37 | 294 while((pid = fork()) < 0) |
295 sleep(1); | |
296 | |
297 /* set id to unlink file */ | |
298 if(pid == 0) | |
299 { | |
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300 md_resetpriv(); |
37 | 301 unlink(file); |
302 exit(0); | |
303 } | |
304 /* wait for unlink to finish */ | |
305 else | |
306 { | |
307 while(wait(&ret_status) != pid) | |
308 continue; | |
309 if (ret_status < 0) | |
310 { | |
311 printf("Cannot unlink file\n"); | |
312 return FALSE; | |
313 } | |
314 } | |
36
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315 } |
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316 else |
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317 { |
37 | 318 /* Don't drop privileges, they're needed |
319 * for the unlink. */ | |
320 if (unlink(file) < 0) | |
36
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321 { |
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322 printf("Cannot unlink file\n"); |
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323 return FALSE; |
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324 } |
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325 } |
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326 #else |
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327 if (unlink(file) < 0) |
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328 { |
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329 printf("Cannot unlink file\n"); |
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330 return FALSE; |
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331 } |
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332 #endif |
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333 |
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334 } |
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335 |
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336 if (him->s_hpt <= 0) { |
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337 endwin(); |
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338 printf("This character is already dead.\n"); |
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339 return FALSE; |
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340 } |
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341 |
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342 environ = envp; |
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343 |
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344 strcpy(file_name, file); |
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345 setup(); |
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346 restscr(cw); |
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347 md_srandom(getpid()); |
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348 playit(); |
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349 } |