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annotate srogue/io.c @ 306:057c5114e244

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Super-Rogue: fix some out-of-range constants. Constants K_ARROW etc., for causes of death other than monsters, are in the 240-255 range. They were often passed to functions taking char, which is usually signed, making the values out of range. The function declarations have been changed to unsigned char, which is also the type used by the scoreboard code.
author John "Elwin" Edwards
date Sat, 17 Apr 2021 15:41:12 -0400
parents e52a8a7ad4c5
children
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1 /*
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2 * Various input/output functions
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3 *
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4 * @(#)io.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 <stdarg.h>
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18 #include <ctype.h>
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19 #include <string.h>
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20 #include "rogue.h"
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21 #include "rogue.ext"
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22
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23 void doadd(char *fmt, va_list ap);
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24
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25 /*
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26 * msg:
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27 * Display a message at the top of the screen.
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28 */
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29 static char msgbuf[BUFSIZ];
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30 static int newpos = 0;
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31
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32 void
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33 msg(char *fmt, ...)
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34 {
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35 va_list ap;
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36 /*
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37 * if the string is "", just clear the line
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38 */
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39 if (*fmt == '\0') {
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40 wmove(cw, 0, 0);
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41 wclrtoeol(cw);
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42 mpos = 0;
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43 return;
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44 }
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45 /*
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46 * otherwise add to the message and flush it out
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47 */
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48 va_start(ap, fmt);
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49 doadd(fmt, ap);
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50 va_end(ap);
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51 endmsg();
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52 }
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53
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54 /*
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55 * addmsg:
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56 * Add things to the current message
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57 */
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58 void
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59 addmsg(char *fmt, ...)
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60 {
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61 va_list ap;
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62
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63 va_start(ap, fmt);
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64 doadd(fmt, ap);
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65 va_end(ap);
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66 }
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67
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68 /*
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69 * endmsg:
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70 * Display a new msg, giving him a chance to see the
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71 * previous one if it is up there with the --More--
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72 */
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73 void
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74 endmsg(void)
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75 {
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76 strcpy(huh, msgbuf);
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77 if (mpos > 0) {
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78 wmove(cw, 0, mpos);
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79 waddstr(cw, morestr);
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80 draw(cw);
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81 wait_for(cw, ' ');
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82 }
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83 mvwaddstr(cw, 0, 0, msgbuf);
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84 wclrtoeol(cw);
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85 mpos = newpos;
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86 newpos = 0;
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87 draw(cw);
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88 }
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89
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90 /*
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91 * doadd:
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92 * Perform a printf into a buffer
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93 */
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94 void
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95 doadd(char *fmt, va_list ap)
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96 {
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97 vsprintf(&msgbuf[newpos], fmt, ap);
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98 newpos = strlen(msgbuf);
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99 }
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100
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101 /*
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102 * step_ok:
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103 * Returns TRUE if it is ok to step on ch
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104 */
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105 bool