63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#ifndef lint
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static char sccsid[] = "@(#)resetshell.c 1.1 94/10/31 SMI"; /* from S5R2 1.1 */
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#endif
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#include "curses.ext"
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#include "../local/uparm.h"
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extern struct term *cur_term;
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#ifdef DIOCSETT
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/*
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* Disable CB/UNIX virtual terminals.
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* This really should be a field in the cur_term structure, but
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* I didn't do it that way because I'm trying to make ex fit.
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* If you're using virtual terminals on a 32 bit machine it
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* probably makes sense to change it.
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*/
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static struct termcb new, old;
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#endif
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#ifdef LTILDE
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static int newlmode, oldlmode;
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#endif
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/*
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* Getting the baud rate is different on the two systems.
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* In either case, a baud rate of 0 hangs up the phone.
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* Since things are often initialized to 0, getting the phone
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* hung up on you is a common result of a bug in your program.
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* This is not very friendly, so if the baud rate is 0, we
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* assume we're doing a reset_xx_mode with no def_xx_mode, and
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* just don't do anything.
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*/
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#ifdef USG
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#define BR(x) (cur_term->x.c_cflag&CBAUD)
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#else
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#define BR(x) (cur_term->x.sg_ispeed)
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#endif
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reset_shell_mode()
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{
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#ifdef DIOCSETT
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/*
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* Restore any virtual terminal setting. This must be done
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* before the TIOCSETN because DIOCSETT will clobber flags like xtabs.
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*/
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old.st_flgs |= TM_SET;
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ioctl(2, DIOCSETT, &old);
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#endif
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if (BR(Ottyb)) {
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ioctl(cur_term -> Filedes,
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#ifdef USG
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TCSETAW,
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#else
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TIOCSETN,
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#endif
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&(cur_term->Ottyb));
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# ifdef LTILDE
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if (newlmode != oldlmode)
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ioctl(cur_term -> Filedes, TIOCLSET, &oldlmode);
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# endif
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}
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}
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