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/* SCCS Id: @(#)ioctl.c 3.4 1990/22/02 */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
/* This cannot be part of hack.tty.c (as it was earlier) since on some
systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
define the same constants, and the C preprocessor complains. */
#include "hack.h"
#if defined(BSD_JOB_CONTROL) || defined(_BULL_SOURCE)
# ifdef HPUX
#include <bsdtty.h>
# else
# if defined(AIX_31) && !defined(_ALL_SOURCE)
# define _ALL_SOURCE /* causes struct winsize to be present */
# ifdef _AIX32
# include <sys/ioctl.h>
# endif
# endif
# if defined(_BULL_SOURCE)
# include <termios.h>
struct termios termio;
# undef TIMEOUT /* defined in you.h and sys/tty.h */
# include <sys/tty.h> /* define winsize */
# include <sys/ttold.h> /* define struct ltchars */
# include <sys/bsdioctl.h> /* define TIOGWINSZ */
# else
# ifdef LINUX
# include <bsd/sgtty.h>
# else
# include <sgtty.h>
# endif
# endif
# endif
struct ltchars ltchars;
struct ltchars ltchars0 = { -1, -1, -1, -1, -1, -1 }; /* turn all off */
#else
# ifdef POSIX_TYPES
#include <termios.h>
struct termios termio;
# if defined(BSD) || defined(_AIX32)
# if defined(_AIX32) && !defined(_ALL_SOURCE)
# define _ALL_SOURCE
# endif
#include <sys/ioctl.h>
# endif
# else
#include <termio.h> /* also includes part of <sgtty.h> */
# if defined(TCSETS) && !defined(AIX_31)
struct termios termio;
# else
struct termio termio;
# endif
# endif
# ifdef AMIX
#include <sys/ioctl.h>
# endif /* AMIX */
#endif
#ifdef SUSPEND /* BSD isn't alone anymore... */
#include <signal.h>
#endif
#if defined(TIOCGWINSZ) && (defined(BSD) || defined(ULTRIX) || defined(AIX_31) || defined(_BULL_SOURCE) || defined(SVR4))
#define USE_WIN_IOCTL
#include "tcap.h" /* for LI and CO */
#endif
#ifdef _M_UNIX
extern void NDECL(sco_mapon);
extern void NDECL(sco_mapoff);
#endif
#ifdef __linux__
extern void NDECL(linux_mapon);
extern void NDECL(linux_mapoff);
#endif
#ifdef AUX
void
catch_stp()
{
signal(SIGTSTP, SIG_DFL);
dosuspend();
}
#endif /* AUX */
void
getwindowsz()
{
#ifdef USE_WIN_IOCTL
/*
* ttysize is found on Suns and BSD
* winsize is found on Suns, BSD, and Ultrix
*/
struct winsize ttsz;
if (ioctl(fileno(stdin), (int)TIOCGWINSZ, (char *)&ttsz) != -1) {
/*
* Use the kernel's values for lines and columns if it has
* any idea.
*/
if (ttsz.ws_row)
LI = ttsz.ws_row;
if (ttsz.ws_col)
CO = ttsz.ws_col;
}
#endif
}
void
getioctls()
{
#ifdef BSD_JOB_CONTROL
(void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) <chars);
(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars0);
#else
# ifdef POSIX_TYPES
(void) tcgetattr(fileno(stdin), &termio);
# else
# if defined(TCSETS) && !defined(AIX_31)
(void) ioctl(fileno(stdin), (int) TCGETS, &termio);
# else
(void) ioctl(fileno(stdin), (int) TCGETA, &termio);
# endif
# endif
#endif
getwindowsz();
#ifdef AUX
( void ) signal ( SIGTSTP , catch_stp ) ;
#endif
}
void
setioctls()
{
#ifdef BSD_JOB_CONTROL
(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars);
#else
# ifdef POSIX_TYPES
(void) tcsetattr(fileno(stdin), TCSADRAIN, &termio);
# else
# if defined(TCSETS) && !defined(AIX_31)
(void) ioctl(fileno(stdin), (int) TCSETSW, &termio);
# else
(void) ioctl(fileno(stdin), (int) TCSETAW, &termio);
# endif
# endif
#endif
}
#ifdef SUSPEND /* No longer implies BSD */
int
dosuspend()
{
# ifdef SIGTSTP
if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
suspend_nhwindows((char *)0);
# ifdef _M_UNIX
sco_mapon();
# endif
# ifdef __linux__
linux_mapon();
# endif
(void) signal(SIGTSTP, SIG_DFL);
# ifdef AUX
( void ) kill ( 0 , SIGSTOP ) ;
# else
(void) kill(0, SIGTSTP);
# endif
# ifdef _M_UNIX
sco_mapoff();
# endif
# ifdef __linux__
linux_mapoff();
# endif
resume_nhwindows();
} else {
pline("I don't think your shell has job control.");
}
# else
pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
# endif
return(0);
}
#endif /* SUSPEND */
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