Path: utzoo!utgpu!watserv1!watmath!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!samsung!spool2.mu.edu!uunet!pdn!tscs!tct!chip
From: chip@tct.uucp (Chip Salzenberg)
Newsgroups: comp.sources.d
Subject: Re: trn and SCO UNIX
Message-ID: <2789D6C3.3A8@tct.uucp>
Date: 8 Jan 91 14:27:14 GMT
References: <1991Jan07.070408.27368@kithrup.COM>
Organization: Teltronics/TCT, Sarasota, FL
Lines: 33

An alternative patch for trn under SCO UNIX job control follows.  It
has the nice feature of making trn redraw the screen when restarted.

Index: term.c
***************
*** 776,785 ****
  	int_count = 0;
  	errno = 0;
! 	if (read_tty(whatbuf,1) < 0)
! 	    if (!errno)
! 	        errno = EINTR;
  	    else {
! 	    perror(readerr);
! 	    sig_catcher(0);
  	}
  #ifdef PUSHBACK
--- 776,787 ----
  	int_count = 0;
  	errno = 0;
! 	if (read_tty(whatbuf,1) < 0) {
! 	    if (errno == 0 || errno == EINTR) {
! 		*whatbuf = '\f';	/* redraw after stop */
! 	    }
  	    else {
! 		perror(readerr);
! 		sig_catcher(0);
! 	    }
  	}
  #ifdef PUSHBACK
-- 
Chip Salzenberg at Teltronics/TCT     <chip@tct.uucp>, <uunet!pdn!tct!chip>
       "If Usenet exists, then what is its mailing address?"  -- me
             "c/o The Daily Planet, Metropolis."  -- Jeff Daiell