annotate rogue5/io.c @ 140:856017d63519

xrogue: don't segfault when backstabbing while empty-handed. The code for backstabbing checked the weapon's properties without making sure it was not NULL.
author John "Elwin" Edwards
date Tue, 05 May 2015 12:12:20 -0400
parents f502bf60e6e4
children
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33
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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 4.32 (Berkeley) 02/05/99
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5 */
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6
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7 #include <stdarg.h>
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8 #include <curses.h>
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9 #include <ctype.h>
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10 #include <string.h>
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11 #include "rogue.h"
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12
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13 /*
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14 * msg:
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15 * Display a message at the top of the screen.
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16 */
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17 #define MAXMSG (NUMCOLS - sizeof "--More--")
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18
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19 static char msgbuf[2*MAXMSG+1];
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20 static int newpos = 0;
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21
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22 /* VARARGS1 */
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23 int
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24 msg(const char *fmt, ...)
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25 {
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26 va_list args;
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27
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28 /*
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29 * if the string is "", just clear the line
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30 */
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31 if (*fmt == '\0')
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32 {
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33 move(0, 0);
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34 clrtoeol();
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35 mpos = 0;
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36 return ~ESCAPE;
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37 }
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38 /*
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39 * otherwise add to the message and flush it out
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40 */
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41 va_start(args, fmt);
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42 doadd(fmt, args);
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43 va_end(args);
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44 return endmsg();
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45 }
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46
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47 /*
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48 * addmsg:
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49 * Add things to the current message
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50 */
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51 /* VARARGS1 */
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52 void
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53 addmsg(const char *fmt, ...)
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54 {
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55 va_list args;
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56
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57 va_start(args, fmt);
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58 doadd(fmt, args);
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59 va_end(args);
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60 }
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61
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62 /*
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63 * endmsg:
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64 * Display a new msg (giving him a chance to see the previous one
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65 * if it is up there with the --More--)
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66 */
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67 int
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68 endmsg(void)
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69 {
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70 int ch;
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71
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72 if (save_msg)
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73 strcpy(huh, msgbuf);
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74 if (mpos)
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75 {
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76 look(FALSE);
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77 mvaddstr(0, mpos, "--More--");
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78 refresh();
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79 if (!msg_esc)
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80 wait_for(stdscr, ' ');
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81 else
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82 {
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83 while ((ch = readchar()) != ' ')
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84 if (ch == ESCAPE)
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85 {
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86 msgbuf[0] = '\0';
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87 mpos = 0;
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88 newpos = 0;
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89 msgbuf[0] = '\0';
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90 return ESCAPE;
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91 }
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92 }
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93 }
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94 /*
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95 * All messages should start with uppercase, except ones that
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96 * start with a pack addressing character
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97 */
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98 if (islower((int)msgbuf[0]) && !lower_msg && msgbuf[1] != ')')
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99 msgbuf[0] = (char) toupper(msgbuf[0]);
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100 mvaddstr(0, 0, msgbuf);
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101 clrtoeol();
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102 mpos = newpos;
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103 newpos = 0;
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104 msgbuf[0] = '\0';
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105 refresh();
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106 return ~ESCAPE;
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107 }
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108
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109 /*
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110 * doadd:
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