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annotate srogue/state.c @ 221:71cb5b647f2b

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Rogue V5: remove troublesome automatic platform detection. configure.ac used AC_CANONICAL_SYSTEM to guess the GNU system description triplets. The target description was substituted into the Makefile and formatted into the filename for the binary distribution tarball. But 'target' is only intended for cross-compilers. 'host_os' might have been a better choice. The tarball filename can still be changed manually, by running make with an argument of 'DESTSYS=systemname'. Cross-compiling may be more difficult now, but I am not certain that it worked properly previously, and due to pending autoconf changes, it was likely to break anyway. The top-level config.guess and config.sub are no longer needed, but they may reappear if better support for cross-compilation is added.
author John "Elwin" Edwards
date Fri, 12 Feb 2016 14:25:47 -0500
parents 09db0cf536af
children 94a0d9dd5ce1
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1 /*
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2 state.c - Portable Rogue Save State Code
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3
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4 Copyright (C) 1999, 2000, 2005 Nicholas J. Kisseberth
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5
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6 Redistribution and use in source and binary forms, with or without
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7 modification, are permitted provided that the following conditions
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8 are met:
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9 1. Redistributions of source code must retain the above copyright
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10 notice, this list of conditions and the following disclaimer.
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11 2. Redistributions in binary form must reproduce the above copyright
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12 notice, this list of conditions and the following disclaimer in the
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13 documentation and/or other materials provided with the distribution.
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14 3. Neither the name(s) of the author(s) nor the names of other contributors
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15 may be used to endorse or promote products derived from this software
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16 without specific prior written permission.
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17
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18 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
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19 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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21 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
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22 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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23 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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24 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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25 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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27 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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28 SUCH DAMAGE.
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29 */
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30
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31 /************************************************************************/
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32 /* Save State Code */
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33 /************************************************************************/
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34
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35 #define RSID_STATS 0xABCD0001
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36 #define RSID_THING 0xABCD0002
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37 #define RSID_THING_NULL 0xDEAD0002
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38 #define RSID_OBJECT 0xABCD0003
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39 #define RSID_MAGICITEMS 0xABCD0004
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40 #define RSID_KNOWS 0xABCD0005
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41 #define RSID_GUESSES 0xABCD0006
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42 #define RSID_OBJECTLIST 0xABCD0007
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43 #define RSID_BAGOBJECT 0xABCD0008
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44 #define RSID_MONSTERLIST 0xABCD0009
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45 #define RSID_MONSTERSTATS 0xABCD000A
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46 #define RSID_MONSTERS 0xABCD000B
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47 #define RSID_TRAP 0xABCD000C
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48 #define RSID_WINDOW 0xABCD000D
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49 #define RSID_DAEMONS 0xABCD000E
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50 #define RSID_IWEAPS 0xABCD000F
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51 #define RSID_IARMOR 0xABCD0010
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52 #define RSID_SPELLS 0xABCD0011
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53 #define RSID_ILIST 0xABCD0012
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54 #define RSID_HLIST 0xABCD0013
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55 #define RSID_DEATHTYPE 0xABCD0014
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56 #define RSID_CTYPES 0XABCD0015
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57 #define RSID_COORDLIST 0XABCD0016
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58 #define RSID_ROOMS 0XABCD0017
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59
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60
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61 #include <curses.h>
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62 #include <sys/stat.h>
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63 #include <stdio.h>
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64 #include <stdlib.h>
60
3aa87373c908 srogue: include missing headers.
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65 #include <string.h>
36
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66 #include <assert.h>
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67 #include "rogue.h"
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68 #include "rogue.ext"
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69
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70 #define READSTAT ((format_error == 0) && (read_error == 0))
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71 #define WRITESTAT (write_error == 0)
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72
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73 int read_error = FALSE;
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74 int write_error = FALSE;
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75 int format_error = FALSE;
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76 int end_of_file = FALSE;
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77 int big_endian = 0;
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78 const char *fmterr = "";
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79
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80 char encstr[] = "\354\251\243\332A\201|\301\321p\210\251\327\"\257\365t\341%3\271^`~\203z{\341};\f\341\231\222e\234\351]\321";
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81
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82 /*
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83 * perform an encrypted write
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84 */
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85 encwrite(starta, size, outf)
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86 register void *starta;
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87 unsigned int size;
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88 register FILE *outf;
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89 {
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90 register char *ep;
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91 register char *start = starta;
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92
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93 ep = encstr;
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94
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95 while (size--)
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96 {
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97 putc(*start++ ^ *ep++, outf);
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98 if (*ep == '\0')
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99 ep = encstr;
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100 }
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101 }
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102
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103 /*