/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"@(#)error.c	1.7	92/07/14 SMI"	/* SVr4.0 1.9.5.1	*/
/*
 * UNIX shell
 */

#include	"defs.h"


/* ========	error handling	======== */

extern void done();

failed(s1, s2)
unsigned char	*s1, *s2;
{
	prp();
	prs_cntl(s1);
	if (s2)
	{
		prs(colon);
		prs(s2);
	}
	newline();
	exitsh(ERROR);
}

error(s)
unsigned char	*s;
{
	failed(s, NIL);
}

exitsh(xno)
int	xno;
{
	/*
	 * Arrive here from `FATAL' errors
	 *  a) exit command,
	 *  b) default trap,
	 *  c) fault with no trap set.
	 *
	 * Action is to return to command level or exit.
	 */
	exitval = xno;
	flags |= eflag;
	if ((flags & (forcexit | forked | errflg | ttyflg)) != ttyflg)
		done(0);
	else
	{
		clearup();
		restore(0);
		(void)setb(1);
		execbrk = breakcnt = funcnt = 0;
		longjmp(errshell, 1);
	}
}

rmtemp(base)
struct ionod	*base;
{
	while (iotemp > base)
	{
		unlink(iotemp->ioname);
		free(iotemp->iolink);
		iotemp = iotemp->iolst;
	}
}

rmfunctmp()
{
	while (fiotemp)
	{
		unlink(fiotemp->ioname);
		fiotemp = fiotemp->iolst;
	}
}

failure(s1, s2)
unsigned char	*s1, *s2;
{
	prp();
	prs_cntl(s1);
	if (s2)
	{
		prs(colon);
		prs(s2);
	}
	newline();
	
	if (flags & errflg)
		exitsh(ERROR);

	flags |= eflag;
	exitval = ERROR;
	exitset();
}