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annotate xrogue/io.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 f54901b9c39b
children e52a8a7ad4c5
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1 /*
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2 io.c - Various input/output functions
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 #include <curses.h>
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20 #include <ctype.h>
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21 #include <stdarg.h>
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ce0cf824c192 xrogue: add missing includes.
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22 #include <string.h>
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23 #include "rogue.h"
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24
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25 void doadd(char *fmt, va_list ap);
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26
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27 /*
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28 * msg:
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29 * Display a message at the top of the screen.
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30 */
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31
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32 static char msgbuf[BUFSIZ];
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33 static int newpos = 0;
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34
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35 /* VARARGS */
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36 void
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37 msg(char *fmt, ...)
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38 {
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39 va_list ap;
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40 /*
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41 * if the string is "", just clear the line
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42 */
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43 if (*fmt == '\0')
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44 {
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45 wclear(msgw);
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46 overwrite(cw, msgw);
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47 wmove(msgw, 0, 0);
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48 clearok(msgw, FALSE);
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49 draw(msgw);
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50 mpos = 0;
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51 return;
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52 }
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53 /*
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54 * otherwise add to the message and flush it out
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55 */
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56 va_start(ap, fmt);
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57 doadd(fmt, ap);
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58 va_end(ap);
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59 endmsg();
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60 }
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61
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62 /*
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63 * add things to the current message
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64 */
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65
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66 /* VARARGS */
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67 void
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68 addmsg(char *fmt, ...)
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69 {
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70 va_list ap;
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71
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72 va_start(ap, fmt);
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73 doadd(fmt, ap);
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74 va_end(ap);
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75 }
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76
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77 /*
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78 * If there is no current message, do nothing. Otherwise, prompt the
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79 * player with the --More-- string. Then erase the message.
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80 */
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81
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82 void
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83 rmmsg(void)
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84 {
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85 if (mpos) {
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86 wclear(msgw);
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87 overwrite(cw, msgw);
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88 mvwaddstr(msgw, 0, 0, huh);
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89 waddstr(msgw, morestr);
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90 clearok(msgw, FALSE);
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91 draw(msgw);
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92 wait_for(' ');
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93 msg("");
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94 }