xref: /titanic_52/usr/src/cmd/sh/error.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


#ident	"%Z%%M%	%I%	%E% 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();
}