cmd/sh/error.c

	error.c revision 39e7390a771e8a17884d4f1558a2a41422b38104
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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


#pragma ident   "%Z%%M% %I% %E% SMI"
/*
 * UNIX shell
 */

#include    "defs.h"


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

void
error(const char *s)
{
    prp();
    prs(_gettext(s));
    newline();
    exitsh(ERROR);
}

static void
failed_body(unsigned char *s1, const char *s2, unsigned char *s3, int gflag)
{
    prp();
    if (gflag)
        prs(_gettext((const char *)s1));
    else
        prs_cntl(s1);
    prs(colon);
    prs(_gettext(s2));
    if (s3)
        prs(s3);
    newline();
}

void
failed_real(unsigned char *s1, const char *s2, unsigned char *s3)
{
    failed_body(s1, s2, s3, 0);
    exitsh(ERROR);
}

void
failure_real(unsigned char *s1, const char *s2, int gflag)
{
    failed_body(s1, s2, NULL, gflag);

    if (flags & errflg)
        exitsh(ERROR);

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

void
exitsh(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);
    }
}

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

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