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annotate srogue/cx.h @ 144:708bb2dea17c

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arogue7, xrogue: prevent potential NULL dereferencing. It is possible for getpwuid() to fail and return NULL. Various md_get* functions now check for this.
author John "Elwin" Edwards
date Mon, 18 May 2015 10:53:22 -0400
parents 2128c7dc8a40
children
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36
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1 /*
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2 * Super-Rogue
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3 * Copyright (C) 1984 Robert D. Kindelberger
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4 * All rights reserved.
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5 *
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6 * See the file LICENSE.TXT for full copyright and licensing information.
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7 */
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8
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9 #include <stdio.h>
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10 #include <sgtty.h>
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11
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12 #define bool char /* boolean variable */
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13 #define reg register /* register abbr. */
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14
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15 #define TRUE (1)
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16 #define FALSE (0)
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17 #define ERR (0) /* default return on error */
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18 #define OK (1) /* default return on good run */
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19
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20 #define _SUBWIN 01 /* window is a subwindow */
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21 #define _ENDLINE 02 /* lines go to end of screen */
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22 #define _FULLWIN 04 /* window is entire screen */
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23 #define _SCROLLWIN 010 /* window could cause scroll */
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24 #define _STANDOUT 0200 /* standout mode in effect */
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25 #define _NOCHANGE -1 /* no change on this line */
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26
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27 #define _puts(s) tputs(s, 0, _putchar);
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28
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29 typedef struct sgttyb SGTTY;
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30
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31 #ifndef WINDOW
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32
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33 #define WINDOW struct _win_st
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34
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35 /* window description structure */
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36 struct _win_st {
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37 short _cury, _curx; /* current y,x positions */
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38 short _maxy, _maxx; /* maximum y,x positions */
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39 short _begy, _begx; /* start y,x positions */
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40 short _flags; /* various window flags */
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41 bool _clear; /* need to clear */
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42 bool _leave; /* leave cur x,y at last update */
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43 bool _scroll; /* scrolls allowed */
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44 char **_y; /* actual window */
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45 short *_firstch; /* first change on line */
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46 short *_lastch; /* last change on line */
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47 };
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48
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49 extern bool My_term, /* user specied terminal */
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50 _echoit, /* set if echoing characters */
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51 _rawmode; /* set if terminal in raw mode */
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52
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53 extern char *Def_term, /* default terminal type */
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54 ttytype[]; /* long name of current term */
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55 # ifdef DEBUG
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56 extern FILE *outf; /* error outfile */
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57 # endif
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58
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59 extern int LINES, COLS; /* # of lines & columns */
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60 extern int _tty_ch; /* channel with tty on it */
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61 extern WINDOW *stdscr, *curscr;
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62
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63 static SGTTY _tty, _res_flg;
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64
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65 /*
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66 * Define VOID to stop lint from generating "null effect"
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67 * comments.
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68 */
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69 # ifdef lint
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70 int __void__; /* place to assign to */
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71
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72 # define VOID(x) (__void__ = (int) (x))
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73 # else
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74 # define VOID(x) (x)
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75 # endif
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76
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77 # endif
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78
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79 /*
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80 * psuedo functions for standard screen
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81 */
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82 #define addch(ch) VOID(waddch(stdscr, ch))
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83 #define getch() VOID(wgetch(stdscr))
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84 #define addstr(str) VOID(waddstr(stdscr, str))
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85 #define getstr(str) VOID(wgetstr(stdscr, str))
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86 #define move(y, x) VOID(wmove(stdscr, y, x))
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87 #define clear() VOID(wclear(stdscr))
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88 #define erase() VOID(werase(stdscr))
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89 #define clrtobot() VOID(wclrtobot(stdscr))
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90 #define clrtoeol() VOID(wclrtoeol(stdscr))
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91 #define insertln() VOID(winsertln(stdscr))
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92 #define deleteln() VOID(wdeleteln(stdscr))
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93 #define refresh() VOID(wrefresh(stdscr))
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94 #define inch() VOID(winch(stdscr))
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95
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96 #ifdef STANDOUT
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97 #define standout() VOID(wstandout(stdscr))
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98 #define standend() VOID(wstandend(stdscr))
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99 #endif
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100
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101 /*
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102 # define CBREAK FALSE
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103 # define _IOSTRG 01
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104 */
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105
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106 /*
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107 * mv functions
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