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annotate rogue5/command.c @ 162:600873555ec0

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Don't swap signal handlers in md_shellescape(). md_shellescape() sets SIGINT and SIGQUIT to be ignored, storing the previous handlers, and restores them after the shell exits. But it mixed up the two handlers. Since the signals were usually handled by the same function, this fix doesn't have much effect, but anything that makes signal code less confusing is a good thing.
author John "Elwin" Edwards
date Mon, 08 Jun 2015 10:01:25 -0400
parents f871cb0539d3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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33
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1 /*
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2 * Read and execute the user commands
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3 *
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4 * @(#)command.c 4.73 (Berkeley) 08/06/83
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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 <string.h>
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15 #include <curses.h>
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16 #include <ctype.h>
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17 #include "rogue.h"
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18
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19 /*
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20 * command:
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21 * Process the user commands
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22 */
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23 void
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24 command(void)
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25 {
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26 int ch;
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27 int ntimes = 1; /* Number of player moves */
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28 int *fp;
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29 THING *mp;
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30 static int countch, direction, newcount = FALSE;
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31
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32 if (on(player, ISHASTE))
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33 ntimes++;
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34 /*
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35 * Let the daemons start up
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36 */
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37 do_daemons(BEFORE);
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38 do_fuses(BEFORE);
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39 while (ntimes--)
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40 {
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41 again = FALSE;
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42 if (has_hit)
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43 {
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44 endmsg();
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45 has_hit = FALSE;
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46 }
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47 /*
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48 * these are illegal things for the player to be, so if any are
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49 * set, someone's been poking in memeory
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50 */
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51 if (on(player, ISSLOW|ISGREED|ISINVIS|ISREGEN|ISTARGET))
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52 exit(1);
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53
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54 look(TRUE);
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55 if (!running)
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56 door_stop = FALSE;
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57 status();
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58 lastscore = purse;
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59 move(hero.y, hero.x);
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60 if (!((running || count) && jump))
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61 refresh(); /* Draw screen */
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62 take = 0;
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63 after = TRUE;
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64 /*
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65 * Read command or continue run
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66 */
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67 #ifdef MASTER
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68 if (wizard)
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69 noscore = TRUE;
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70 #endif
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71 if (!no_command)
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72 {
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73 if (running || to_death)
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74 ch = runch;
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75 else if (count)
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76 ch = countch;
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77 else
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78 {
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79 ch = readchar();
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80 move_on = FALSE;
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81 if (mpos != 0) /* Erase message if its there */
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82 {
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83 if (ch != '.')
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84 msg("");
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85 }
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86 }
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87 }
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88 else
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89 ch = '.';
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90 if (no_command)
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91 {
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92 if (--no_command == 0)
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93 {
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94 msg("you can move again");
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95 }
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96 }
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97 else
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98 {
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99 /*
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100 * check for prefixes
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101 */
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102 newcount = FALSE;
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103 if (isdigit(ch))
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104 {
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105 count = 0;
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106 newcount = TRUE;
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107 while (isdigit(ch))
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