sys/share/pctty.c

   1 /* aNetHack 0.0.1       pctty.c $ANH-Date: 1432512787 2015/05/25 00:13:07 $  $ANH-Branch: master $:$ANH-Revision: 1.11 $ */
   2 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   3 /* aNetHack may be freely redistributed.  See license for details. */
   4
   5 /* tty.c - (PC) version */
   6
   7 #define NEED_VARARGS /* Uses ... */ /* comment line for pre-compiled headers \
   8                                        */
   9 #include "hack.h"
  10 #include "wintty.h"
  11
  12 char erase_char, kill_char;
  13
  14 /*
  15  * Get initial state of terminal, set ospeed (for termcap routines)
  16  * and switch off tab expansion if necessary.
  17  * Called by startup() in termcap.c and after returning from ! or ^Z
  18  */
  19 void
  20 gettty()
  21 {
  22     erase_char = '\b';
  23     kill_char = 21; /* cntl-U */
  24     iflags.cbreak = TRUE;
  25 #if !defined(TOS)
  26     disable_ctrlP(); /* turn off ^P processing */
  27 #endif
  28 #if defined(MSDOS) && defined(NO_TERMS)
  29     gr_init();
  30 #endif
  31 }
  32
  33 /* reset terminal to original state */
  34 void
  35 settty(s)
  36 const char *s;
  37 {
  38 #if defined(MSDOS) && defined(NO_TERMS)
  39     gr_finish();
  40 #endif
  41     end_screen();
  42     if (s)
  43         raw_print(s);
  44 #if !defined(TOS)
  45     enable_ctrlP(); /* turn on ^P processing */
  46 #endif
  47 }
  48
  49 /* called by init_nhwindows() and resume_nhwindows() */
  50 void
  51 setftty()
  52 {
  53     start_screen();
  54 }
  55
  56 #if defined(TIMED_DELAY) && defined(_MSC_VER)
  57 void
  58 msleep(mseconds)
  59 unsigned mseconds;
  60 {
  61     /* now uses clock() which is ANSI C */
  62     clock_t goal;
  63
  64     goal = mseconds + clock();
  65     while (goal > clock()) {
  66         /* do nothing */
  67     }
  68 }
  69 #endif
  70
  71 /* fatal error */
  72 /*VARARGS1*/
  73
  74 void error
  75 VA_DECL(const char *, s)
  76 {
  77     VA_START(s);
  78     VA_INIT(s, const char *);
  79     /* error() may get called before tty is initialized */
  80     if (iflags.window_inited)
  81         end_screen();
  82     putchar('\n');
  83     Vprintf(s, VA_ARGS);
  84     putchar('\n');
  85     VA_END();
  86     exit(EXIT_FAILURE);
  87 }
  88
  89 /*pctty.c*/