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annotate srogue/options.c @ 233:0990adf580ee

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Declare some function arguments as const. Some functions, mostly in fight.c, declared variables as pointers to const char but passed them to functions that took pointers to ordinary char. The strings did not actually get modified, so adding 'const' to the function definitions removed the warnings.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 19:32:47 -0500
parents 94a0d9dd5ce1
children d71e5e1f49cf
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1 /*
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2 * This file has all the code for the option command.
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3 *
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4 * @(#)options.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
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17 #include <ctype.h>
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18 #include <string.h>
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19 #include "rogue.h"
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20 #include "rogue.ext"
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21
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22 /*
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23 * description of an option and what to do with it
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24 */
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25 struct optstruct {
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26 char *o_name; /* option name */
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27 char *o_prompt; /* prompt for interactive entry */
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28 char *o_opt; /* pointer to thing to set */
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29 };
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30
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31 typedef struct optstruct OPTION;
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32
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33 int allowchange(OPTION *opt);
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34
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35 OPTION optlist[] = {
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36 { "name", "Name: ", whoami },
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37 { "fruit", "Fruit: ", fruit },
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38 { "file", "Save file: ", file_name }
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39 };
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40 #define NUM_OPTS (sizeof optlist / sizeof (OPTION))
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41 OPTION safeoptlist[] = {
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42 { "fruit", "Fruit: ", fruit },
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43 };
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44 #define NUM_SOPTS (sizeof safeoptlist / sizeof (OPTION))
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45
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46 /*
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47 * print and then set options from the terminal
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48 */
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49 void
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50 option(void)
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51 {
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52 reg OPTION *op;
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53 reg int wh;
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54 OPTION *olist;
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55 int olen;
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56
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57 if (use_savedir) {
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58 olist = safeoptlist;
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59 olen = NUM_SOPTS;
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60 }
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61 else {
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62 olist = optlist;
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63 olen = NUM_OPTS;
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64 }
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65
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66 wclear(hw);
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67 touchwin(hw);
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68 /*
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69 * Display current values of options
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70 */
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71 for (op = olist; op < &olist[olen]; op++) {
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72 wh = op - olist;
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73 mvwaddstr(hw, wh, 0, op->o_prompt);
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74 mvwaddstr(hw, wh, 16, op->o_opt);
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75 }
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76 /*
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77 * Set values
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78 */
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79 wmove(hw, 0, 0);
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80 for (op = olist; op < &olist[olen]; op++) {
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81 wmove(hw, op - olist, 16);
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82 if ((wh = get_str(op->o_opt, hw))) {
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83 if (wh == QUIT)
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84 break;
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85 else if (op > olist) {
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86 wmove(hw, op - olist, 0);
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87 op -= 2;
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88 }
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89 else {
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90 putchar(7);
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91 wmove(hw, 0, 0);
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92 op -= 1;
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93 }
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94 }
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95 }
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96 /*
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97 * Switch back to original screen
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98 */
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99 dbotline(hw,spacemsg);
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100 restscr(cw);
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