source: trunk/third/tcsh/sh.err.c @ 12039

/* $Header: /afs/dev.mit.edu/source/repository/third/tcsh/sh.err.c,v 1.1.1.2 1998-10-03 21:09:58 danw Exp $ */
/*
 * sh.err.c: Error printing routines. 
 */
/*-
 * Copyright (c) 1980, 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#define _h_sh_err               /* Don't redefine the errors     */
#include "sh.h"

RCSID("$Id: sh.err.c,v 1.1.1.2 1998-10-03 21:09:58 danw Exp $")

/*
 * C Shell
 */

#ifdef lint
#undef va_arg
#define va_arg(a, b) (a ? (b) 0 : (b) 0)
#endif

char   *seterr = NULL;  /* Holds last error if there was one */

#define ERR_FLAGS       0xf0000000
#define ERR_NAME        0x10000000
#define ERR_SILENT      0x20000000
#define ERR_OLD         0x40000000

#define ERR_SYNTAX      0
#define ERR_NOTALLOWED  1
#define ERR_WTOOLONG    2
#define ERR_LTOOLONG    3
#define ERR_DOLZERO     4
#define ERR_INCBR       5
#define ERR_EXPORD      6
#define ERR_BADMOD      7
#define ERR_SUBSCRIPT   8
#define ERR_BADNUM      9
#define ERR_NOMORE      10
#define ERR_FILENAME    11
#define ERR_GLOB        12
#define ERR_COMMAND     13
#define ERR_TOOFEW      14
#define ERR_TOOMANY     15
#define ERR_DANGER      16
#define ERR_EMPTYIF     17
#define ERR_IMPRTHEN    18
#define ERR_NOPAREN     19
#define ERR_NOTFOUND    20
#define ERR_MASK        21
#define ERR_LIMIT       22
#define ERR_TOOLARGE    23
#define ERR_SCALEF      24
#define ERR_UNDVAR      25
#define ERR_DEEP        26
#define ERR_BADSIG      27
#define ERR_UNKSIG      28
#define ERR_VARBEGIN    29
#define ERR_VARTOOLONG  30
#define ERR_VARALNUM    31
#define ERR_JOBCONTROL  32
#define ERR_EXPRESSION  33
#define ERR_NOHOMEDIR   34
#define ERR_CANTCHANGE  35
#define ERR_NULLCOM     36
#define ERR_ASSIGN      37
#define ERR_UNKNOWNOP   38
#define ERR_AMBIG       39
#define ERR_EXISTS      40
#define ERR_ARGC        41
#define ERR_INTR        42
#define ERR_RANGE       43
#define ERR_OVERFLOW    44
#define ERR_NOSUCHJOB   45
#define ERR_TERMINAL    46
#define ERR_NOTWHILE    47
#define ERR_NOPROC      48
#define ERR_NOMATCH     49
#define ERR_MISSING     50
#define ERR_UNMATCHED   51
#define ERR_NOMEM       52
#define ERR_PIPE        53
#define ERR_SYSTEM      54
#define ERR_STRING      55
#define ERR_JOBS        56
#define ERR_JOBARGS     57
#define ERR_JOBCUR      58
#define ERR_JOBPREV     59
#define ERR_JOBPAT      60
#define ERR_NESTING     61
#define ERR_JOBCTRLSUB  62
#define ERR_SYNC        63
#define ERR_STOPPED     64
#define ERR_NODIR       65
#define ERR_EMPTY       66
#define ERR_BADDIR      67
#define ERR_DIRUS       68
#define ERR_HFLAG       69
#define ERR_NOTLOGIN    70
#define ERR_DIV0        71
#define ERR_MOD0        72
#define ERR_BADSCALE    73
#define ERR_SUSPLOG     74
#define ERR_UNKUSER     75
#define ERR_NOHOME      76
#define ERR_HISTUS      77
#define ERR_SPDOLLT     78
#define ERR_NEWLINE     79
#define ERR_SPSTAR      80
#define ERR_DIGIT       81
#define ERR_VARILL      82
#define ERR_NLINDEX     83
#define ERR_EXPOVFL     84
#define ERR_VARSYN      85
#define ERR_BADBANG     86
#define ERR_NOSUBST     87
#define ERR_BADSUBST    88
#define ERR_LHS         89
#define ERR_RHSLONG     90
#define ERR_BADBANGMOD  91
#define ERR_MODFAIL     92
#define ERR_SUBOVFL     93
#define ERR_BADBANGARG  94
#define ERR_NOSEARCH    95
#define ERR_NOEVENT     96
#define ERR_TOOMANYRP   97
#define ERR_TOOMANYLP   98
#define ERR_BADPLP      99
#define ERR_MISRED      100
#define ERR_OUTRED      101
#define ERR_REDPAR      102
#define ERR_INRED       103
#define ERR_BADPLPS     104
#define ERR_ALIASLOOP   105
#define ERR_NOWATCH     106
#define ERR_NOSCHED     107
#define ERR_SCHEDUSAGE  108
#define ERR_SCHEDEV     109
#define ERR_SCHEDCOM    110
#define ERR_SCHEDTIME   111
#define ERR_SCHEDREL    112
#define ERR_TCNOSTR     113
#define ERR_SETTCUS     114
#define ERR_TCCAP       115
#define ERR_TCPARM      116
#define ERR_TCARGS      117
#define ERR_TCNARGS     118
#define ERR_TCUSAGE     119
#define ERR_ARCH        120
#define ERR_HISTLOOP    121
#define ERR_FILEINQ     122
#define ERR_SELOVFL     123
#define ERR_TCSHUSAGE   124
#define ERR_COMPCOM     125
#define ERR_COMPINV     126
#define ERR_COMPMIS     127
#define ERR_COMPINC     128
#define ERR_MFLAG       129
#define ERR_ULIMUS      130
#define ERR_READONLY    131
#define ERR_BADJOB      132
#define ERR_INVALID     133
#define ERR_BADCOLORVAR 134
#define NO_ERRORS       135

static char *elst[NO_ERRORS] INIT_ZERO_STRUCT;

/*
 * Init the elst depending on the locale
 */
void
errinit()
{
#ifdef NLS_CATALOGS
    int i;

    for (i = 0; i < NO_ERRORS; i++)
        xfree((ptr_t) elst[i]);
#endif

    elst[ERR_SYNTAX] = CSAVS(1, 1, "Syntax Error");
    elst[ERR_NOTALLOWED] = CSAVS(1, 2, "%s is not allowed");
    elst[ERR_WTOOLONG] = CSAVS(1, 3, "Word too long");
    elst[ERR_LTOOLONG] = CSAVS(1, 4, "$< line too long");
    elst[ERR_DOLZERO] = CSAVS(1, 5, "No file for $0");
    elst[ERR_INCBR] = CSAVS(1, 6, "Incomplete [] modifier");
    elst[ERR_EXPORD] = CSAVS(1, 7, "$ expansion must end before ]");
    elst[ERR_BADMOD] = CSAVS(1, 8, "Bad : modifier in $ (%c)");
    elst[ERR_SUBSCRIPT] = CSAVS(1, 9, "Subscript error");
    elst[ERR_BADNUM] = CSAVS(1, 10, "Badly formed number");
    elst[ERR_NOMORE] = CSAVS(1, 11, "No more words");
    elst[ERR_FILENAME] = CSAVS(1, 12, "Missing file name");
    elst[ERR_GLOB] = CSAVS(1, 13, "Internal glob error");
    elst[ERR_COMMAND] = CSAVS(1, 14, "Command not found");
    elst[ERR_TOOFEW] = CSAVS(1, 15, "Too few arguments");
    elst[ERR_TOOMANY] = CSAVS(1, 16, "Too many arguments");
    elst[ERR_DANGER] = CSAVS(1, 17, "Too dangerous to alias that");
    elst[ERR_EMPTYIF] = CSAVS(1, 18, "Empty if");
    elst[ERR_IMPRTHEN] = CSAVS(1, 19, "Improper then");
    elst[ERR_NOPAREN] = CSAVS(1, 20, "Words not parenthesized");
    elst[ERR_NOTFOUND] = CSAVS(1, 21, "%s not found");
    elst[ERR_MASK] = CSAVS(1, 22, "Improper mask");
    elst[ERR_LIMIT] = CSAVS(1, 23, "No such limit");
    elst[ERR_TOOLARGE] = CSAVS(1, 24, "Argument too large");
    elst[ERR_SCALEF] = CSAVS(1, 25, "Improper or unknown scale factor");
    elst[ERR_UNDVAR] = CSAVS(1, 26, "Undefined variable");
    elst[ERR_DEEP] = CSAVS(1, 27, "Directory stack not that deep");
    elst[ERR_BADSIG] = CSAVS(1, 28, "Bad signal number");
    elst[ERR_UNKSIG] = CSAVS(1, 29, "Unknown signal; kill -l lists signals");
    elst[ERR_VARBEGIN] = CSAVS(1, 30, "Variable name must begin with a letter");
    elst[ERR_VARTOOLONG] = CSAVS(1, 31, "Variable name too long");
    elst[ERR_VARALNUM] = CSAVS(1, 32,
        "Variable name must contain alphanumeric characters");
    elst[ERR_JOBCONTROL] = CSAVS(1, 33, "No job control in this shell");
    elst[ERR_EXPRESSION] = CSAVS(1, 34, "Expression Syntax");
    elst[ERR_NOHOMEDIR] = CSAVS(1, 35, "No home directory");
    elst[ERR_CANTCHANGE] = CSAVS(1, 36, "Can't change to home directory");
    elst[ERR_NULLCOM] = CSAVS(1, 37, "Invalid null command");
    elst[ERR_ASSIGN] = CSAVS(1, 38, "Assignment missing expression");
    elst[ERR_UNKNOWNOP] = CSAVS(1, 39, "Unknown operator");
    elst[ERR_AMBIG] = CSAVS(1, 40, "Ambiguous");
    elst[ERR_EXISTS] = CSAVS(1, 41, "%s: File exists");
    elst[ERR_ARGC] = CSAVS(1, 42, "Argument for -c ends in backslash");
    elst[ERR_INTR] = CSAVS(1, 43, "Interrupted");
    elst[ERR_RANGE] = CSAVS(1, 44, "Subscript out of range");
    elst[ERR_OVERFLOW] = CSAVS(1, 45, "Line overflow");
    elst[ERR_NOSUCHJOB] = CSAVS(1, 46, "No such job");
    elst[ERR_TERMINAL] = CSAVS(1, 47, "Can't from terminal");
    elst[ERR_NOTWHILE] = CSAVS(1, 48, "Not in while/foreach");
    elst[ERR_NOPROC] = CSAVS(1, 49, "No more processes");
    elst[ERR_NOMATCH] = CSAVS(1, 50, "No match");
    elst[ERR_MISSING] = CSAVS(1, 51, "Missing %c");
    elst[ERR_UNMATCHED] = CSAVS(1, 52, "Unmatched %c");
    elst[ERR_NOMEM] = CSAVS(1, 53, "Out of memory");
    elst[ERR_PIPE] = CSAVS(1, 54, "Can't make pipe");
    elst[ERR_SYSTEM] = CSAVS(1, 55, "%s: %s");
    elst[ERR_STRING] = CSAVS(1, 56, "%s");
    elst[ERR_JOBS] = CSAVS(1, 57, "Usage: jobs [ -l ]");
    elst[ERR_JOBARGS] = CSAVS(1, 58, "Arguments should be jobs or process id's");
    elst[ERR_JOBCUR] = CSAVS(1, 59, "No current job");
    elst[ERR_JOBPREV] = CSAVS(1, 60, "No previous job");
    elst[ERR_JOBPAT] = CSAVS(1, 61, "No job matches pattern");
    elst[ERR_NESTING] = CSAVS(1, 62, "Fork nesting > %d; maybe `...` loop");
    elst[ERR_JOBCTRLSUB] = CSAVS(1, 63, "No job control in subshells");
    elst[ERR_SYNC] = CSAVS(1, 64, "Sync fault: Process %d not found");
    elst[ERR_STOPPED] =
#ifdef SUSPENDED
        CSAVS(1, 65, "%sThere are suspended jobs");
#else
        CSAVS(1, 66, "%sThere are stopped jobs");
#endif /* SUSPENDED */
    elst[ERR_NODIR] = CSAVS(1, 67, "No other directory");
    elst[ERR_EMPTY] = CSAVS(1, 68, "Directory stack empty");
    elst[ERR_BADDIR] = CSAVS(1, 69, "Bad directory");
    elst[ERR_DIRUS] = CSAVS(1, 70, "Usage: %s [-%s]%s");
    elst[ERR_HFLAG] = CSAVS(1, 71, "No operand for -h flag");
    elst[ERR_NOTLOGIN] = CSAVS(1, 72, "Not a login shell");
    elst[ERR_DIV0] = CSAVS(1, 73, "Division by 0");
    elst[ERR_MOD0] = CSAVS(1, 74, "Mod by 0");
    elst[ERR_BADSCALE] = CSAVS(1, 75, "Bad scaling; did you mean \"%s\"?");
    elst[ERR_SUSPLOG] = CSAVS(1, 76, "Can't suspend a login shell (yet)");
    elst[ERR_UNKUSER] = CSAVS(1, 77, "Unknown user: %s");
    elst[ERR_NOHOME] = CSAVS(1, 78, "No $home variable set");
    elst[ERR_HISTUS] = CSAVS(1, 79,
        "Usage: history [-%s] [# number of events]");
    elst[ERR_SPDOLLT] = CSAVS(1, 80, "$, ! or < not allowed with $# or $?");
    elst[ERR_NEWLINE] = CSAVS(1, 81, "Newline in variable name");
    elst[ERR_SPSTAR] = CSAVS(1, 82, "* not allowed with $# or $?");
    elst[ERR_DIGIT] = CSAVS(1, 83, "$?<digit> or $#<digit> not allowed");
    elst[ERR_VARILL] = CSAVS(1, 84, "Illegal variable name");
    elst[ERR_NLINDEX] = CSAVS(1, 85, "Newline in variable index");
    elst[ERR_EXPOVFL] = CSAVS(1, 86, "Expansion buffer overflow");
    elst[ERR_VARSYN] = CSAVS(1, 87, "Variable syntax");
    elst[ERR_BADBANG] = CSAVS(1, 88, "Bad ! form");
    elst[ERR_NOSUBST] = CSAVS(1, 89, "No previous substitute");
    elst[ERR_BADSUBST] = CSAVS(1, 90, "Bad substitute");
    elst[ERR_LHS] = CSAVS(1, 91, "No previous left hand side");
    elst[ERR_RHSLONG] = CSAVS(1, 92, "Right hand side too long");
    elst[ERR_BADBANGMOD] = CSAVS(1, 93, "Bad ! modifier: %c");
    elst[ERR_MODFAIL] = CSAVS(1, 94, "Modifier failed");
    elst[ERR_SUBOVFL] = CSAVS(1, 95, "Substitution buffer overflow");
    elst[ERR_BADBANGARG] = CSAVS(1, 96, "Bad ! arg selector");
    elst[ERR_NOSEARCH] = CSAVS(1, 97, "No prev search");
    elst[ERR_NOEVENT] = CSAVS(1, 98, "%s: Event not found");
    elst[ERR_TOOMANYRP] = CSAVS(1, 99, "Too many )'s");
    elst[ERR_TOOMANYLP] = CSAVS(1, 100, "Too many ('s");
    elst[ERR_BADPLP] = CSAVS(1, 101, "Badly placed (");
    elst[ERR_MISRED] = CSAVS(1, 102, "Missing name for redirect");
    elst[ERR_OUTRED] = CSAVS(1, 103, "Ambiguous output redirect");
    elst[ERR_REDPAR] = CSAVS(1, 104, "Can't << within ()'s");
    elst[ERR_INRED] = CSAVS(1, 105, "Ambiguous input redirect");
    elst[ERR_BADPLPS] = CSAVS(1, 106, "Badly placed ()'s");
    elst[ERR_ALIASLOOP] = CSAVS(1, 107, "Alias loop");
    elst[ERR_NOWATCH] = CSAVS(1, 108, "No $watch variable set");
    elst[ERR_NOSCHED] = CSAVS(1, 109, "No scheduled events");
    elst[ERR_SCHEDUSAGE] = CSAVS(1, 110,
        "Usage: sched -<item#>.\nUsage: sched [+]hh:mm <command>");
    elst[ERR_SCHEDEV] = CSAVS(1, 111, "Not that many scheduled events");
    elst[ERR_SCHEDCOM] = CSAVS(1, 112, "No command to run");
    elst[ERR_SCHEDTIME] = CSAVS(1, 113, "Invalid time for event");
    elst[ERR_SCHEDREL] = CSAVS(1, 114, "Relative time inconsistent with am/pm");
    elst[ERR_TCNOSTR] = CSAVS(1, 115, "Out of termcap string space");
    elst[ERR_SETTCUS] = CSAVS(1, 116, "Usage: settc %s [yes|no]");
    elst[ERR_TCCAP] = CSAVS(1, 117, "Unknown capability `%s'");
    elst[ERR_TCPARM] = CSAVS(1, 118, "Unknown termcap parameter `%%%c'");
    elst[ERR_TCARGS] = CSAVS(1, 119, "Too many arguments for `%s' (%d)");
    elst[ERR_TCNARGS] = CSAVS(1, 120, "`%s' requires %d arguments");
    elst[ERR_TCUSAGE] = CSAVS(1, 121,
        "Usage: echotc [-v|-s] [<capability> [<args>]]");
    elst[ERR_ARCH] = CSAVS(1, 122, "%s: %s. Binary file not executable");
    elst[ERR_HISTLOOP] = CSAVS(1, 123, "!# History loop");
    elst[ERR_FILEINQ] = CSAVS(1, 124, "Malformed file inquiry");
    elst[ERR_SELOVFL] = CSAVS(1, 125, "Selector overflow");
#ifdef apollo
    elst[ERR_TCSHUSAGE] = CSAVS(1, 126,
"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX -Dname[=value] ] [ argument ... ]");
#else /* !apollo */
# ifdef convex
    elst[ERR_TCSHUSAGE] = CSAVS(1, 127,
"Unknown option: `-%s'\nUsage: %s [ -bcdefFilmnqstvVxX ] [ argument ... ]");
# else /* rest */
    elst[ERR_TCSHUSAGE] = CSAVS(1, 128,
"Unknown option: `-%s'\nUsage: %s [ -bcdefilmnqstvVxX ] [ argument ... ]");
# endif /* convex */
#endif /* apollo */
    elst[ERR_COMPCOM] = CSAVS(1, 129, "\nInvalid completion: \"%s\"");
    elst[ERR_COMPINV] = CSAVS(1, 130, "\nInvalid %s: '%c'");
    elst[ERR_COMPMIS] = CSAVS(1, 131,
        "\nMissing separator '%c' after %s \"%s\"");
    elst[ERR_COMPINC] = CSAVS(1, 132, "\nIncomplete %s: \"%s\"");
    elst[ERR_MFLAG] = CSAVS(1, 133, "No operand for -m flag");
    elst[ERR_ULIMUS] = CSAVS(1, 134, "Usage: unlimit [-fh] [limits]");
    elst[ERR_READONLY] = CSAVS(1, 135, "$%S is read-only");
    elst[ERR_BADJOB] = CSAVS(1, 136, "No such job");
    elst[ERR_BADCOLORVAR] = CSAVS(1, 137, "Unknown colorls variable `%c%c'");
}
/*
 * The parser and scanner set up errors for later by calling seterr,
 * which sets the variable err as a side effect; later to be tested,
 * e.g. in process.
 */
void
/*VARARGS1*/
#ifdef FUNCPROTO
seterror(unsigned int id, ...)
#else
seterror(va_alist)
    va_dcl
#endif
{

    if (seterr == 0) {
        va_list va;
        char    berr[BUFSIZE];
#ifdef FUNCPROTO
        va_start(va, id);
#else
        unsigned int id;
        va_start(va);
        id = va_arg(va, unsigned int);
#endif

        if (id >= sizeof(elst) / sizeof(elst[0]))
            id = ERR_INVALID;
        xvsnprintf(berr, sizeof(berr), elst[id], va);
        va_end(va);

        seterr = strsave(berr);
    }
}

/*
 * Print the error with the given id.
 *
 * Special ids:
 *      ERR_SILENT: Print nothing.
 *      ERR_OLD: Print the previously set error if one was there.
 *               otherwise return.
 *      ERR_NAME: If this bit is set, print the name of the function
 *                in bname
 *
 * This routine always resets or exits.  The flag haderr
 * is set so the routine who catches the unwind can propogate
 * it if they want.
 *
 * Note that any open files at the point of error will eventually
 * be closed in the routine process in sh.c which is the only
 * place error unwinds are ever caught.
 */
void
/*VARARGS*/
#ifdef FUNCPROTO
stderror(unsigned int id, ...)
#else
stderror(va_alist)
    va_dcl
#endif
{
    va_list va;
    register Char **v;
    int flags;
    int vareturn;

#ifdef FUNCPROTO
    va_start(va, id);
#else
    unsigned int id;

    va_start(va);
    id = va_arg(va, unsigned int);
#endif

    /*
     * Reset don't free flag for buggy os's
     */
    dont_free = 0;

    flags = (int) id & ERR_FLAGS;
    id &= ~ERR_FLAGS;

    /* Pyramid's OS/x has a subtle bug in <varargs.h> which prevents calling
     * va_end more than once in the same function. -- sterling@netcom.com
     */
    if (!((flags & ERR_OLD) && seterr == NULL)) {
        vareturn = 0;   /* Don't return immediately after va_end */
        if (id >= sizeof(elst) / sizeof(elst[0]))
            id = ERR_INVALID;

        /*
         * Must flush before we print as we wish output before the error to go
         * on (some form of) standard output, while output after goes on (some
         * form of) diagnostic output. If didfds then output will go to 1/2
         * else to FSHOUT/FSHDIAG. See flush in sh.print.c.
         */
        flush();
        haderr = 1;                     /* Now to diagnostic output */
        timflg = 0;                     /* This isn't otherwise reset */


        if (!(flags & ERR_SILENT)) {
            if (flags & ERR_NAME)
                xprintf("%s: ", bname);
            if ((flags & ERR_OLD)) {
                /* Old error. */
                xprintf("%s.\n", seterr);
                } else {
                   xvprintf(elst[id], va);
                    xprintf(".\n");
                }
        }
    } else {
        vareturn = 1;   /* Return immediately after va_end */
    }
    va_end(va);
    if (vareturn)
        return;

    if (seterr) {
        xfree((ptr_t) seterr);
        seterr = NULL;
    }

    if ((v = pargv) != 0)
        pargv = 0, blkfree(v);
    if ((v = gargv) != 0)
        gargv = 0, blkfree(v);

    inheredoc = 0;              /* Not anymore in a heredoc */
    didfds = 0;                 /* Forget about 0,1,2 */
    /*
     * Go away if -e or we are a child shell
     */
    if (exiterr || child)
        xexit(1);

    /*
     * Reset the state of the input. This buffered seek to end of file will
     * also clear the while/foreach stack.
     */
    btoeof();

    set(STRstatus, Strsave(STR1), VAR_READWRITE);
#ifdef BSDJOBS
    if (tpgrp > 0)
        (void) tcsetpgrp(FSHTTY, tpgrp);
#endif
    reset();                    /* Unwind */
}