mirror of
https://codeberg.org/noisytoot/notnotdnethack.git
synced 2024-11-24 02:05:14 +00:00
Ron Nazarov
34aaaf57e1
E as in the alias for extern, not the completely different E that's an alias for EXPLOSION used in objects.c.
99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
/* 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)
|
|
# include <bsd/sgtty.h>
|
|
struct ltchars ltchars;
|
|
struct ltchars ltchars0 = { -1, -1, -1, -1, -1, -1 }; /* turn all off */
|
|
#else
|
|
|
|
#include <termios.h>
|
|
struct termios termio;
|
|
#endif
|
|
|
|
#ifdef SUSPEND /* BSD isn't alone anymore... */
|
|
#include <signal.h>
|
|
#endif
|
|
|
|
#ifdef __linux__
|
|
extern void linux_mapon(void);
|
|
extern void linux_mapoff(void);
|
|
#endif
|
|
|
|
void
|
|
getwindowsz(void)
|
|
{
|
|
#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(void)
|
|
{
|
|
#ifdef BSD_JOB_CONTROL
|
|
(void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) <chars);
|
|
(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars0);
|
|
#else
|
|
(void) tcgetattr(fileno(stdin), &termio);
|
|
#endif
|
|
getwindowsz();
|
|
}
|
|
|
|
void
|
|
setioctls(void)
|
|
{
|
|
#ifdef BSD_JOB_CONTROL
|
|
(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars);
|
|
#else
|
|
(void) tcsetattr(fileno(stdin), TCSADRAIN, &termio);
|
|
#endif
|
|
}
|
|
|
|
#ifdef SUSPEND /* No longer implies BSD */
|
|
int
|
|
dosuspend(void)
|
|
{
|
|
# ifdef SIGTSTP
|
|
if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
|
|
suspend_nhwindows((char *)0);
|
|
# ifdef __linux__
|
|
linux_mapon();
|
|
# endif
|
|
(void) signal(SIGTSTP, SIG_DFL);
|
|
(void) kill(0, SIGTSTP);
|
|
# 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 */
|