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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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2436 lines
50 KiB
C
2436 lines
50 KiB
C
/* $Header: /src/pub/tcsh/sh.func.c,v 3.103 2002/07/09 12:56:55 christos Exp $ */
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/*
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* sh.func.c: csh builtin functions
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*/
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/*-
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* Copyright (c) 1980, 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "sh.h"
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RCSID("$Id: sh.func.c,v 3.103 2002/07/09 12:56:55 christos Exp $")
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#include "ed.h"
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#include "tw.h"
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#include "tc.h"
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#ifdef WINNT_NATIVE
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#include "nt.const.h"
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#endif /* WINNT_NATIVE */
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/*
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* C shell
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*/
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extern int just_signaled;
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extern char **environ;
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extern bool MapsAreInited;
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extern bool NLSMapsAreInited;
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extern bool NoNLSRebind;
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extern bool GotTermCaps;
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static int zlast = -1;
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static void islogin __P((void));
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static void preread __P((void));
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static void doagain __P((void));
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static char *isrchx __P((int));
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static void search __P((int, int, Char *));
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static int getword __P((Char *));
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static void toend __P((void));
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static void xecho __P((int, Char **));
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static bool islocale_var __P((Char *));
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struct biltins *
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isbfunc(t)
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struct command *t;
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{
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register Char *cp = t->t_dcom[0];
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register struct biltins *bp, *bp1, *bp2;
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static struct biltins label = {"", dozip, 0, 0};
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static struct biltins foregnd = {"%job", dofg1, 0, 0};
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static struct biltins backgnd = {"%job &", dobg1, 0, 0};
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/*
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* We never match a builtin that has quoted the first
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* character; this has been the traditional way to escape
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* builtin commands.
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*/
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if (*cp & QUOTE)
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return NULL;
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if (*cp != ':' && lastchr(cp) == ':') {
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label.bname = short2str(cp);
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return (&label);
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}
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if (*cp == '%') {
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if (t->t_dflg & F_AMPERSAND) {
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t->t_dflg &= ~F_AMPERSAND;
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backgnd.bname = short2str(cp);
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return (&backgnd);
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}
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foregnd.bname = short2str(cp);
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return (&foregnd);
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}
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#ifdef WARP
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/*
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* This is a perhaps kludgy way to determine if the warp builtin is to be
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* acknowledged or not. If checkwarp() fails, then we are to assume that
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* the warp command is invalid, and carry on as we would handle any other
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* non-builtin command. -- JDK 2/4/88
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*/
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if (eq(STRwarp, cp) && !checkwarp()) {
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return (0); /* this builtin disabled */
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}
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#endif /* WARP */
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/*
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* Binary search Bp1 is the beginning of the current search range. Bp2 is
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* one past the end.
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*/
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for (bp1 = bfunc, bp2 = bfunc + nbfunc; bp1 < bp2;) {
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int i;
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bp = bp1 + ((bp2 - bp1) >> 1);
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if ((i = ((char) *cp) - *bp->bname) == 0 &&
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(i = StrQcmp(cp, str2short(bp->bname))) == 0)
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return bp;
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if (i < 0)
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bp2 = bp;
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else
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bp1 = bp + 1;
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}
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#ifdef WINNT_NATIVE
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return nt_check_additional_builtins(cp);
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#endif /*WINNT_NATIVE*/
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return (0);
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}
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void
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func(t, bp)
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register struct command *t;
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register struct biltins *bp;
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{
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int i;
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xechoit(t->t_dcom);
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setname(bp->bname);
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i = blklen(t->t_dcom) - 1;
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if (i < bp->minargs)
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stderror(ERR_NAME | ERR_TOOFEW);
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if (i > bp->maxargs)
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stderror(ERR_NAME | ERR_TOOMANY);
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(*bp->bfunct) (t->t_dcom, t);
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}
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/*ARGSUSED*/
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void
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doonintr(v, c)
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Char **v;
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struct command *c;
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{
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register Char *cp;
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register Char *vv = v[1];
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USE(c);
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if (parintr == SIG_IGN)
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return;
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if (setintr && intty)
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stderror(ERR_NAME | ERR_TERMINAL);
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cp = gointr;
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gointr = 0;
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xfree((ptr_t) cp);
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if (vv == 0) {
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#ifdef BSDSIGS
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if (setintr) {
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(void) sigblock(sigmask(SIGINT));
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(void) signal(SIGINT, pintr);
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}
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else
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(void) signal(SIGINT, SIG_DFL);
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#else /* !BSDSIGS */
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if (setintr) {
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(void) sighold(SIGINT);
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(void) sigset(SIGINT, pintr);
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}
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else
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(void) sigset(SIGINT, SIG_DFL);
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#endif /* BSDSIGS */
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gointr = 0;
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}
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else if (eq((vv = strip(vv)), STRminus)) {
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#ifdef BSDSIGS
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(void) signal(SIGINT, SIG_IGN);
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#else /* !BSDSIGS */
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(void) sigset(SIGINT, SIG_IGN);
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#endif /* BSDSIGS */
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gointr = Strsave(STRminus);
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}
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else {
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gointr = Strsave(vv);
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#ifdef BSDSIGS
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(void) signal(SIGINT, pintr);
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#else /* !BSDSIGS */
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(void) sigset(SIGINT, pintr);
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#endif /* BSDSIGS */
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}
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}
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/*ARGSUSED*/
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void
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donohup(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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USE(v);
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if (intty)
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stderror(ERR_NAME | ERR_TERMINAL);
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if (setintr == 0) {
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(void) signal(SIGHUP, SIG_IGN);
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#ifdef CC
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submit(getpid());
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#endif /* CC */
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}
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}
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/*ARGSUSED*/
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void
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dohup(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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USE(v);
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if (intty)
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stderror(ERR_NAME | ERR_TERMINAL);
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if (setintr == 0)
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(void) signal(SIGHUP, SIG_DFL);
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}
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/*ARGSUSED*/
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void
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dozip(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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USE(v);
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}
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/*ARGSUSED*/
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void
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dofiletest(v, c)
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Char **v;
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struct command *c;
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{
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Char **fileptr, *ftest, *res;
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if (*(ftest = *++v) != '-')
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stderror(ERR_NAME | ERR_FILEINQ);
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++v;
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gflag = 0;
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tglob(v);
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if (gflag) {
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v = globall(v);
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if (v == 0)
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stderror(ERR_NAME | ERR_NOMATCH);
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}
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else
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v = gargv = saveblk(v);
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trim(v);
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while (*(fileptr = v++) != '\0') {
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xprintf("%S", res = filetest(ftest, &fileptr, 0));
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xfree((ptr_t) res);
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if (*v)
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xprintf(" ");
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}
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xprintf("\n");
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if (gargv) {
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blkfree(gargv);
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gargv = 0;
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}
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}
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void
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prvars()
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{
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plist(&shvhed, VAR_ALL);
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}
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/*ARGSUSED*/
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void
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doalias(v, c)
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register Char **v;
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struct command *c;
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{
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register struct varent *vp;
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register Char *p;
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USE(c);
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v++;
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p = *v++;
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if (p == 0)
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plist(&aliases, VAR_ALL);
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else if (*v == 0) {
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vp = adrof1(strip(p), &aliases);
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if (vp && vp->vec)
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blkpr(vp->vec), xputchar('\n');
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}
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else {
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if (eq(p, STRalias) || eq(p, STRunalias)) {
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setname(short2str(p));
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stderror(ERR_NAME | ERR_DANGER);
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}
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set1(strip(p), saveblk(v), &aliases, VAR_READWRITE);
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tw_cmd_free();
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}
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}
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/*ARGSUSED*/
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void
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unalias(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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unset1(v, &aliases);
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tw_cmd_free();
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}
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/*ARGSUSED*/
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void
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dologout(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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USE(v);
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islogin();
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goodbye(NULL, NULL);
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}
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/*ARGSUSED*/
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void
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dologin(v, c)
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Char **v;
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struct command *c;
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{
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USE(c);
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#ifdef WINNT_NATIVE
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USE(v);
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#else /* !WINNT_NATIVE */
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islogin();
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rechist(NULL, adrof(STRsavehist) != NULL);
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(void) signal(SIGTERM, parterm);
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(void) execl(_PATH_BIN_LOGIN, "login", short2str(v[1]), NULL);
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(void) execl(_PATH_USRBIN_LOGIN, "login", short2str(v[1]), NULL);
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untty();
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xexit(1);
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#endif /* !WINNT_NATIVE */
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}
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#ifdef NEWGRP
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/*ARGSUSED*/
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void
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donewgrp(v, c)
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Char **v;
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struct command *c;
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{
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char **p;
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if (chkstop == 0 && setintr)
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panystop(0);
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(void) signal(SIGTERM, parterm);
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p = short2blk(v);
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/*
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* From Beto Appleton (beto@aixwiz.austin.ibm.com)
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* Newgrp can take 2 arguments...
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*/
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(void) execv(_PATH_BIN_NEWGRP, p);
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(void) execv(_PATH_USRBIN_NEWGRP, p);
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blkfree((Char **) p);
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untty();
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xexit(1);
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}
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#endif /* NEWGRP */
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static void
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islogin()
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{
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if (chkstop == 0 && setintr)
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panystop(0);
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if (loginsh)
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return;
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stderror(ERR_NOTLOGIN);
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}
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void
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doif(v, kp)
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Char **v;
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struct command *kp;
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{
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register int i;
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register Char **vv;
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v++;
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i = expr(&v);
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vv = v;
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if (*vv == NULL)
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stderror(ERR_NAME | ERR_EMPTYIF);
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if (eq(*vv, STRthen)) {
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if (*++vv)
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stderror(ERR_NAME | ERR_IMPRTHEN);
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setname(short2str(STRthen));
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/*
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* If expression was zero, then scan to else , otherwise just fall into
|
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* following code.
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*/
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if (!i)
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search(TC_IF, 0, NULL);
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return;
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}
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/*
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* Simple command attached to this if. Left shift the node in this tree,
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* munging it so we can reexecute it.
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*/
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if (i) {
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lshift(kp->t_dcom, vv - kp->t_dcom);
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reexecute(kp);
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donefds();
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}
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}
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|
|
/*
|
|
* Reexecute a command, being careful not
|
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* to redo i/o redirection, which is already set up.
|
|
*/
|
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void
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reexecute(kp)
|
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register struct command *kp;
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{
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kp->t_dflg &= F_SAVE;
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kp->t_dflg |= F_REPEAT;
|
|
/*
|
|
* If tty is still ours to arbitrate, arbitrate it; otherwise dont even set
|
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* pgrp's as the jobs would then have no way to get the tty (we can't give
|
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* it to them, and our parent wouldn't know their pgrp, etc.
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*/
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execute(kp, (tpgrp > 0 ? tpgrp : -1), NULL, NULL, TRUE);
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}
|
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|
|
/*ARGSUSED*/
|
|
void
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doelse (v, c)
|
|
Char **v;
|
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struct command *c;
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{
|
|
USE(c);
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USE(v);
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search(TC_ELSE, 0, NULL);
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|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
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|
dogoto(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
Char *lp;
|
|
|
|
USE(c);
|
|
gotolab(lp = globone(v[1], G_ERROR));
|
|
xfree((ptr_t) lp);
|
|
}
|
|
|
|
void
|
|
gotolab(lab)
|
|
Char *lab;
|
|
{
|
|
register struct whyle *wp;
|
|
/*
|
|
* While we still can, locate any unknown ends of existing loops. This
|
|
* obscure code is the WORST result of the fact that we don't really parse.
|
|
*/
|
|
zlast = TC_GOTO;
|
|
for (wp = whyles; wp; wp = wp->w_next)
|
|
if (wp->w_end.type == TCSH_F_SEEK && wp->w_end.f_seek == 0) {
|
|
search(TC_BREAK, 0, NULL);
|
|
btell(&wp->w_end);
|
|
}
|
|
else {
|
|
bseek(&wp->w_end);
|
|
}
|
|
search(TC_GOTO, 0, lab);
|
|
/*
|
|
* Eliminate loops which were exited.
|
|
*/
|
|
wfree();
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doswitch(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
register Char *cp, *lp;
|
|
|
|
USE(c);
|
|
v++;
|
|
if (!*v || *(*v++) != '(')
|
|
stderror(ERR_SYNTAX);
|
|
cp = **v == ')' ? STRNULL : *v++;
|
|
if (*(*v++) != ')')
|
|
v--;
|
|
if (*v)
|
|
stderror(ERR_SYNTAX);
|
|
search(TC_SWITCH, 0, lp = globone(cp, G_ERROR));
|
|
xfree((ptr_t) lp);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dobreak(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(v);
|
|
USE(c);
|
|
if (whyles)
|
|
toend();
|
|
else
|
|
stderror(ERR_NAME | ERR_NOTWHILE);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doexit(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(c);
|
|
|
|
if (chkstop == 0 && (intty || intact) && evalvec == 0)
|
|
panystop(0);
|
|
/*
|
|
* Don't DEMAND parentheses here either.
|
|
*/
|
|
v++;
|
|
if (*v) {
|
|
set(STRstatus, putn(expr(&v)), VAR_READWRITE);
|
|
if (*v)
|
|
stderror(ERR_NAME | ERR_EXPRESSION);
|
|
}
|
|
btoeof();
|
|
#if 0
|
|
if (intty)
|
|
#endif
|
|
/* Always close, why only on ttys? */
|
|
(void) close(SHIN);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doforeach(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
register Char *cp, *sp;
|
|
register struct whyle *nwp;
|
|
|
|
USE(c);
|
|
v++;
|
|
sp = cp = strip(*v);
|
|
if (!letter(*sp))
|
|
stderror(ERR_NAME | ERR_VARBEGIN);
|
|
while (*cp && alnum(*cp))
|
|
cp++;
|
|
if (*cp)
|
|
stderror(ERR_NAME | ERR_VARALNUM);
|
|
if ((cp - sp) > MAXVARLEN)
|
|
stderror(ERR_NAME | ERR_VARTOOLONG);
|
|
cp = *v++;
|
|
if (v[0][0] != '(' || v[blklen(v) - 1][0] != ')')
|
|
stderror(ERR_NAME | ERR_NOPAREN);
|
|
v++;
|
|
gflag = 0, tglob(v);
|
|
if (gflag) {
|
|
v = globall(v);
|
|
if (v == 0)
|
|
stderror(ERR_NAME | ERR_NOMATCH);
|
|
}
|
|
else {
|
|
v = gargv = saveblk(v);
|
|
trim(v);
|
|
}
|
|
nwp = (struct whyle *) xcalloc(1, sizeof *nwp);
|
|
nwp->w_fe = nwp->w_fe0 = v;
|
|
gargv = 0;
|
|
btell(&nwp->w_start);
|
|
nwp->w_fename = Strsave(cp);
|
|
nwp->w_next = whyles;
|
|
nwp->w_end.type = TCSH_F_SEEK;
|
|
whyles = nwp;
|
|
/*
|
|
* Pre-read the loop so as to be more comprehensible to a terminal user.
|
|
*/
|
|
zlast = TC_FOREACH;
|
|
if (intty)
|
|
preread();
|
|
doagain();
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dowhile(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
register int status;
|
|
register bool again = whyles != 0 &&
|
|
SEEKEQ(&whyles->w_start, &lineloc) &&
|
|
whyles->w_fename == 0;
|
|
|
|
USE(c);
|
|
v++;
|
|
/*
|
|
* Implement prereading here also, taking care not to evaluate the
|
|
* expression before the loop has been read up from a terminal.
|
|
*/
|
|
if (intty && !again)
|
|
status = !exp0(&v, 1);
|
|
else
|
|
status = !expr(&v);
|
|
if (*v)
|
|
stderror(ERR_NAME | ERR_EXPRESSION);
|
|
if (!again) {
|
|
register struct whyle *nwp =
|
|
(struct whyle *) xcalloc(1, sizeof(*nwp));
|
|
|
|
nwp->w_start = lineloc;
|
|
nwp->w_end.type = TCSH_F_SEEK;
|
|
nwp->w_end.f_seek = 0;
|
|
nwp->w_next = whyles;
|
|
whyles = nwp;
|
|
zlast = TC_WHILE;
|
|
if (intty) {
|
|
/*
|
|
* The tty preread
|
|
*/
|
|
preread();
|
|
doagain();
|
|
return;
|
|
}
|
|
}
|
|
if (status)
|
|
/* We ain't gonna loop no more, no more! */
|
|
toend();
|
|
}
|
|
|
|
static void
|
|
preread()
|
|
{
|
|
whyles->w_end.type = TCSH_I_SEEK;
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigsetmask(sigblock((sigmask_t) 0) & ~sigmask(SIGINT));
|
|
#else /* !BSDSIGS */
|
|
(void) sigrelse (SIGINT);
|
|
#endif /* BSDSIGS */
|
|
search(TC_BREAK, 0, NULL); /* read the expression in */
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigblock(sigmask(SIGINT));
|
|
#else /* !BSDSIGS */
|
|
(void) sighold(SIGINT);
|
|
#endif /* BSDSIGS */
|
|
btell(&whyles->w_end);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doend(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(v);
|
|
USE(c);
|
|
if (!whyles)
|
|
stderror(ERR_NAME | ERR_NOTWHILE);
|
|
btell(&whyles->w_end);
|
|
doagain();
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
docontin(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(v);
|
|
USE(c);
|
|
if (!whyles)
|
|
stderror(ERR_NAME | ERR_NOTWHILE);
|
|
doagain();
|
|
}
|
|
|
|
static void
|
|
doagain()
|
|
{
|
|
/* Repeating a while is simple */
|
|
if (whyles->w_fename == 0) {
|
|
bseek(&whyles->w_start);
|
|
return;
|
|
}
|
|
/*
|
|
* The foreach variable list actually has a spurious word ")" at the end of
|
|
* the w_fe list. Thus we are at the of the list if one word beyond this
|
|
* is 0.
|
|
*/
|
|
if (!whyles->w_fe[1]) {
|
|
dobreak(NULL, NULL);
|
|
return;
|
|
}
|
|
set(whyles->w_fename, quote(Strsave(*whyles->w_fe++)), VAR_READWRITE);
|
|
bseek(&whyles->w_start);
|
|
}
|
|
|
|
void
|
|
dorepeat(v, kp)
|
|
Char **v;
|
|
struct command *kp;
|
|
{
|
|
int i = 1;
|
|
|
|
#ifdef BSDSIGS
|
|
register sigmask_t omask = 0;
|
|
#endif /* BSDSIGS */
|
|
|
|
do {
|
|
i *= getn(v[1]);
|
|
lshift(v, 2);
|
|
} while (v[0] != NULL && Strcmp(v[0], STRrepeat) == 0);
|
|
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
omask = sigblock(sigmask(SIGINT)) & ~sigmask(SIGINT);
|
|
#else /* !BSDSIGS */
|
|
(void) sighold(SIGINT);
|
|
#endif /* BSDSIGS */
|
|
while (i > 0) {
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigsetmask(omask);
|
|
#else /* !BSDSIGS */
|
|
(void) sigrelse (SIGINT);
|
|
#endif /* BSDSIGS */
|
|
reexecute(kp);
|
|
--i;
|
|
}
|
|
donefds();
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigsetmask(omask);
|
|
#else /* !BSDSIGS */
|
|
(void) sigrelse (SIGINT);
|
|
#endif /* BSDSIGS */
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doswbrk(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(v);
|
|
USE(c);
|
|
search(TC_BRKSW, 0, NULL);
|
|
}
|
|
|
|
int
|
|
srchx(cp)
|
|
Char *cp;
|
|
{
|
|
struct srch *sp, *sp1, *sp2;
|
|
int i;
|
|
|
|
/*
|
|
* Ignore keywords inside heredocs
|
|
*/
|
|
if (inheredoc)
|
|
return -1;
|
|
|
|
/*
|
|
* Binary search Sp1 is the beginning of the current search range. Sp2 is
|
|
* one past the end.
|
|
*/
|
|
for (sp1 = srchn, sp2 = srchn + nsrchn; sp1 < sp2;) {
|
|
sp = sp1 + ((sp2 - sp1) >> 1);
|
|
if ((i = *cp - *sp->s_name) == 0 &&
|
|
(i = Strcmp(cp, str2short(sp->s_name))) == 0)
|
|
return sp->s_value;
|
|
if (i < 0)
|
|
sp2 = sp;
|
|
else
|
|
sp1 = sp + 1;
|
|
}
|
|
return (-1);
|
|
}
|
|
|
|
static char *
|
|
isrchx(n)
|
|
register int n;
|
|
{
|
|
register struct srch *sp, *sp2;
|
|
|
|
for (sp = srchn, sp2 = srchn + nsrchn; sp < sp2; sp++)
|
|
if (sp->s_value == n)
|
|
return (sp->s_name);
|
|
return ("");
|
|
}
|
|
|
|
|
|
static Char Stype;
|
|
static Char *Sgoal;
|
|
|
|
static void
|
|
search(type, level, goal)
|
|
int type;
|
|
register int level;
|
|
Char *goal;
|
|
{
|
|
Char wordbuf[BUFSIZE];
|
|
register Char *aword = wordbuf;
|
|
register Char *cp;
|
|
|
|
Stype = (Char) type;
|
|
Sgoal = goal;
|
|
if (type == TC_GOTO) {
|
|
struct Ain a;
|
|
a.type = TCSH_F_SEEK;
|
|
a.f_seek = 0;
|
|
bseek(&a);
|
|
}
|
|
do {
|
|
if (intty && fseekp == feobp && aret == TCSH_F_SEEK)
|
|
printprompt(1, isrchx(type == TC_BREAK ? zlast : type));
|
|
/* xprintf("? "), flush(); */
|
|
aword[0] = 0;
|
|
(void) getword(aword);
|
|
switch (srchx(aword)) {
|
|
|
|
case TC_ELSE:
|
|
if (level == 0 && type == TC_IF)
|
|
return;
|
|
break;
|
|
|
|
case TC_IF:
|
|
while (getword(aword))
|
|
continue;
|
|
if ((type == TC_IF || type == TC_ELSE) &&
|
|
eq(aword, STRthen))
|
|
level++;
|
|
break;
|
|
|
|
case TC_ENDIF:
|
|
if (type == TC_IF || type == TC_ELSE)
|
|
level--;
|
|
break;
|
|
|
|
case TC_FOREACH:
|
|
case TC_WHILE:
|
|
if (type == TC_BREAK)
|
|
level++;
|
|
break;
|
|
|
|
case TC_END:
|
|
if (type == TC_BREAK)
|
|
level--;
|
|
break;
|
|
|
|
case TC_SWITCH:
|
|
if (type == TC_SWITCH || type == TC_BRKSW)
|
|
level++;
|
|
break;
|
|
|
|
case TC_ENDSW:
|
|
if (type == TC_SWITCH || type == TC_BRKSW)
|
|
level--;
|
|
break;
|
|
|
|
case TC_LABEL:
|
|
if (type == TC_GOTO && getword(aword) && eq(aword, goal))
|
|
level = -1;
|
|
break;
|
|
|
|
default:
|
|
if (type != TC_GOTO && (type != TC_SWITCH || level != 0))
|
|
break;
|
|
if (lastchr(aword) != ':')
|
|
break;
|
|
aword[Strlen(aword) - 1] = 0;
|
|
if ((type == TC_GOTO && eq(aword, goal)) ||
|
|
(type == TC_SWITCH && eq(aword, STRdefault)))
|
|
level = -1;
|
|
break;
|
|
|
|
case TC_CASE:
|
|
if (type != TC_SWITCH || level != 0)
|
|
break;
|
|
(void) getword(aword);
|
|
if (lastchr(aword) == ':')
|
|
aword[Strlen(aword) - 1] = 0;
|
|
cp = strip(Dfix1(aword));
|
|
if (Gmatch(goal, cp))
|
|
level = -1;
|
|
xfree((ptr_t) cp);
|
|
break;
|
|
|
|
case TC_DEFAULT:
|
|
if (type == TC_SWITCH && level == 0)
|
|
level = -1;
|
|
break;
|
|
}
|
|
(void) getword(NULL);
|
|
} while (level >= 0);
|
|
}
|
|
|
|
static int
|
|
getword(wp)
|
|
register Char *wp;
|
|
{
|
|
int found = 0, first;
|
|
int c, d;
|
|
|
|
c = readc(1);
|
|
d = 0;
|
|
do {
|
|
while (c == ' ' || c == '\t')
|
|
c = readc(1);
|
|
if (c == '#')
|
|
do
|
|
c = readc(1);
|
|
while (c >= 0 && c != '\n');
|
|
if (c < 0)
|
|
goto past;
|
|
if (c == '\n') {
|
|
if (wp)
|
|
break;
|
|
return (0);
|
|
}
|
|
unreadc(c);
|
|
found = 1;
|
|
first = 1;
|
|
do {
|
|
c = readc(1);
|
|
if (c == '\\' && (c = readc(1)) == '\n')
|
|
c = ' ';
|
|
if (c == '\'' || c == '"') {
|
|
if (d == 0)
|
|
d = c;
|
|
else if (d == c)
|
|
d = 0;
|
|
}
|
|
if (c < 0)
|
|
goto past;
|
|
if (wp) {
|
|
*wp++ = (Char) c;
|
|
*wp = '\0';
|
|
}
|
|
if (!first && !d && c == '(') {
|
|
if (wp) {
|
|
unreadc(c);
|
|
*--wp = '\0';
|
|
return found;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
first = 0;
|
|
} while ((d || (c != ' ' && c != '\t')) && c != '\n');
|
|
} while (wp == 0);
|
|
|
|
unreadc(c);
|
|
if (found)
|
|
*--wp = '\0';
|
|
|
|
return (found);
|
|
|
|
past:
|
|
switch (Stype) {
|
|
|
|
case TC_IF:
|
|
stderror(ERR_NAME | ERR_NOTFOUND, "then/endif");
|
|
break;
|
|
|
|
case TC_ELSE:
|
|
stderror(ERR_NAME | ERR_NOTFOUND, "endif");
|
|
break;
|
|
|
|
case TC_BRKSW:
|
|
case TC_SWITCH:
|
|
stderror(ERR_NAME | ERR_NOTFOUND, "endsw");
|
|
break;
|
|
|
|
case TC_BREAK:
|
|
stderror(ERR_NAME | ERR_NOTFOUND, "end");
|
|
break;
|
|
|
|
case TC_GOTO:
|
|
setname(short2str(Sgoal));
|
|
stderror(ERR_NAME | ERR_NOTFOUND, "label");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
/* NOTREACHED */
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
toend()
|
|
{
|
|
if (whyles->w_end.type == TCSH_F_SEEK && whyles->w_end.f_seek == 0) {
|
|
search(TC_BREAK, 0, NULL);
|
|
btell(&whyles->w_end);
|
|
whyles->w_end.f_seek--;
|
|
}
|
|
else {
|
|
bseek(&whyles->w_end);
|
|
}
|
|
wfree();
|
|
}
|
|
|
|
void
|
|
wfree()
|
|
{
|
|
struct Ain o;
|
|
struct whyle *nwp;
|
|
#ifdef lint
|
|
nwp = NULL; /* sun lint is dumb! */
|
|
#endif
|
|
|
|
#ifdef FDEBUG
|
|
static char foo[] = "IAFE";
|
|
#endif /* FDEBUG */
|
|
|
|
btell(&o);
|
|
|
|
#ifdef FDEBUG
|
|
xprintf("o->type %c o->a_seek %d o->f_seek %d\n",
|
|
foo[o.type + 1], o.a_seek, o.f_seek);
|
|
#endif /* FDEBUG */
|
|
|
|
for (; whyles; whyles = nwp) {
|
|
register struct whyle *wp = whyles;
|
|
nwp = wp->w_next;
|
|
|
|
#ifdef FDEBUG
|
|
xprintf("start->type %c start->a_seek %d start->f_seek %d\n",
|
|
foo[wp->w_start.type+1],
|
|
wp->w_start.a_seek, wp->w_start.f_seek);
|
|
xprintf("end->type %c end->a_seek %d end->f_seek %d\n",
|
|
foo[wp->w_end.type + 1], wp->w_end.a_seek, wp->w_end.f_seek);
|
|
#endif /* FDEBUG */
|
|
|
|
/*
|
|
* XXX: We free loops that have different seek types.
|
|
*/
|
|
if (wp->w_end.type != TCSH_I_SEEK && wp->w_start.type == wp->w_end.type &&
|
|
wp->w_start.type == o.type) {
|
|
if (wp->w_end.type == TCSH_F_SEEK) {
|
|
if (o.f_seek >= wp->w_start.f_seek &&
|
|
(wp->w_end.f_seek == 0 || o.f_seek < wp->w_end.f_seek))
|
|
break;
|
|
}
|
|
else {
|
|
if (o.a_seek >= wp->w_start.a_seek &&
|
|
(wp->w_end.a_seek == 0 || o.a_seek < wp->w_end.a_seek))
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (wp->w_fe0)
|
|
blkfree(wp->w_fe0);
|
|
if (wp->w_fename)
|
|
xfree((ptr_t) wp->w_fename);
|
|
xfree((ptr_t) wp);
|
|
}
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doecho(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(c);
|
|
xecho(' ', v);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doglob(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
USE(c);
|
|
xecho(0, v);
|
|
flush();
|
|
}
|
|
|
|
static void
|
|
xecho(sep, v)
|
|
int sep;
|
|
register Char **v;
|
|
{
|
|
register Char *cp;
|
|
int nonl = 0;
|
|
#ifdef ECHO_STYLE
|
|
int echo_style = ECHO_STYLE;
|
|
#else /* !ECHO_STYLE */
|
|
# if SYSVREL > 0
|
|
int echo_style = SYSV_ECHO;
|
|
# else /* SYSVREL == 0 */
|
|
int echo_style = BSD_ECHO;
|
|
# endif /* SYSVREL */
|
|
#endif /* ECHO_STYLE */
|
|
struct varent *vp;
|
|
|
|
if ((vp = adrof(STRecho_style)) != NULL && vp->vec != NULL &&
|
|
vp->vec[0] != NULL) {
|
|
if (Strcmp(vp->vec[0], STRbsd) == 0)
|
|
echo_style = BSD_ECHO;
|
|
else if (Strcmp(vp->vec[0], STRsysv) == 0)
|
|
echo_style = SYSV_ECHO;
|
|
else if (Strcmp(vp->vec[0], STRboth) == 0)
|
|
echo_style = BOTH_ECHO;
|
|
else if (Strcmp(vp->vec[0], STRnone) == 0)
|
|
echo_style = NONE_ECHO;
|
|
}
|
|
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigsetmask(sigblock((sigmask_t) 0) & ~sigmask(SIGINT));
|
|
#else /* !BSDSIGS */
|
|
(void) sigrelse (SIGINT);
|
|
#endif /* BSDSIGS */
|
|
v++;
|
|
if (*v == 0)
|
|
goto done;
|
|
gflag = 0, tglob(v);
|
|
if (gflag) {
|
|
v = globall(v);
|
|
if (v == 0)
|
|
stderror(ERR_NAME | ERR_NOMATCH);
|
|
}
|
|
else {
|
|
v = gargv = saveblk(v);
|
|
trim(v);
|
|
}
|
|
|
|
if ((echo_style & BSD_ECHO) != 0 && sep == ' ' && *v && eq(*v, STRmn))
|
|
nonl++, v++;
|
|
|
|
while ((cp = *v++) != 0) {
|
|
register int c;
|
|
|
|
while ((c = *cp++) != 0) {
|
|
if ((echo_style & SYSV_ECHO) != 0 && c == '\\') {
|
|
switch (c = *cp++) {
|
|
case 'a':
|
|
c = '\a';
|
|
break;
|
|
case 'b':
|
|
c = '\b';
|
|
break;
|
|
case 'c':
|
|
nonl = 1;
|
|
goto done;
|
|
case 'e':
|
|
#if 0 /* Windows does not understand \e */
|
|
c = '\e';
|
|
#else
|
|
c = '\033';
|
|
#endif
|
|
break;
|
|
case 'f':
|
|
c = '\f';
|
|
break;
|
|
case 'n':
|
|
c = '\n';
|
|
break;
|
|
case 'r':
|
|
c = '\r';
|
|
break;
|
|
case 't':
|
|
c = '\t';
|
|
break;
|
|
case 'v':
|
|
c = '\v';
|
|
break;
|
|
case '\\':
|
|
c = '\\';
|
|
break;
|
|
case '0':
|
|
c = 0;
|
|
if (*cp >= '0' && *cp < '8')
|
|
c = c * 8 + *cp++ - '0';
|
|
if (*cp >= '0' && *cp < '8')
|
|
c = c * 8 + *cp++ - '0';
|
|
if (*cp >= '0' && *cp < '8')
|
|
c = c * 8 + *cp++ - '0';
|
|
break;
|
|
case '\0':
|
|
c = '\\';
|
|
cp--;
|
|
break;
|
|
default:
|
|
xputchar('\\' | QUOTE);
|
|
break;
|
|
}
|
|
}
|
|
xputchar(c | QUOTE);
|
|
|
|
}
|
|
if (*v)
|
|
xputchar(sep | QUOTE);
|
|
}
|
|
done:
|
|
if (sep && nonl == 0)
|
|
xputchar('\n');
|
|
else
|
|
flush();
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigblock(sigmask(SIGINT));
|
|
#else /* !BSDSIGS */
|
|
(void) sighold(SIGINT);
|
|
#endif /* BSDSIGS */
|
|
if (gargv)
|
|
blkfree(gargv), gargv = 0;
|
|
}
|
|
|
|
/* check whether an environment variable should invoke 'set_locale()' */
|
|
static bool
|
|
islocale_var(var)
|
|
Char *var;
|
|
{
|
|
static Char *locale_vars[] = {
|
|
STRLANG, STRLC_CTYPE, STRLC_NUMERIC, STRLC_TIME,
|
|
STRLC_COLLATE, STRLC_MESSAGES, STRLC_MONETARY, 0
|
|
};
|
|
register Char **v;
|
|
|
|
for (v = locale_vars; *v; ++v)
|
|
if (eq(var, *v))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doprintenv(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
Char *e;
|
|
extern bool output_raw;
|
|
extern bool xlate_cr;
|
|
|
|
USE(c);
|
|
if (setintr)
|
|
#ifdef BSDSIGS
|
|
(void) sigsetmask(sigblock((sigmask_t) 0) & ~sigmask(SIGINT));
|
|
#else /* !BSDSIGS */
|
|
(void) sigrelse (SIGINT);
|
|
#endif /* BSDSIGS */
|
|
|
|
v++;
|
|
if (*v == 0) {
|
|
register Char **ep;
|
|
|
|
xlate_cr = 1;
|
|
for (ep = STR_environ; *ep; ep++)
|
|
xprintf("%S\n", *ep);
|
|
xlate_cr = 0;
|
|
}
|
|
else if ((e = tgetenv(*v)) != NULL) {
|
|
output_raw = 1;
|
|
xprintf("%S\n", e);
|
|
output_raw = 0;
|
|
}
|
|
else
|
|
set(STRstatus, Strsave(STR1), VAR_READWRITE);
|
|
}
|
|
|
|
/* from "Karl Berry." <karl%mote.umb.edu@relay.cs.net> -- for NeXT things
|
|
(and anything else with a modern compiler) */
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dosetenv(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
Char *vp, *lp;
|
|
|
|
USE(c);
|
|
if (*++v == 0) {
|
|
doprintenv(--v, 0);
|
|
return;
|
|
}
|
|
|
|
vp = *v++;
|
|
|
|
lp = vp;
|
|
if (!letter(*lp))
|
|
stderror(ERR_NAME | ERR_VARBEGIN);
|
|
|
|
for (; alnum(*lp); lp++)
|
|
continue;
|
|
|
|
if (*lp != '\0')
|
|
stderror(ERR_NAME | ERR_SYNTAX);
|
|
|
|
if ((lp = *v++) == 0)
|
|
lp = STRNULL;
|
|
|
|
tsetenv(vp, lp = globone(lp, G_APPEND));
|
|
if (eq(vp, STRKPATH)) {
|
|
importpath(lp);
|
|
dohash(NULL, NULL);
|
|
xfree((ptr_t) lp);
|
|
return;
|
|
}
|
|
|
|
#ifdef apollo
|
|
if (eq(vp, STRSYSTYPE)) {
|
|
dohash(NULL, NULL);
|
|
xfree((ptr_t) lp);
|
|
return;
|
|
}
|
|
#endif /* apollo */
|
|
|
|
/* dspkanji/dspmbyte autosetting */
|
|
/* PATCH IDEA FROM Issei.Suzuki VERY THANKS */
|
|
#if defined(DSPMBYTE)
|
|
if(eq(vp, STRLANG) && !adrof(CHECK_MBYTEVAR)) {
|
|
autoset_dspmbyte(lp);
|
|
}
|
|
#endif
|
|
|
|
if (islocale_var(vp)) {
|
|
#ifdef NLS
|
|
int k;
|
|
|
|
# ifdef SETLOCALEBUG
|
|
dont_free = 1;
|
|
# endif /* SETLOCALEBUG */
|
|
(void) setlocale(LC_ALL, "");
|
|
# ifdef LC_COLLATE
|
|
(void) setlocale(LC_COLLATE, "");
|
|
# endif
|
|
# ifdef NLS_CATALOGS
|
|
# ifdef LC_MESSAGES
|
|
(void) setlocale(LC_MESSAGES, "");
|
|
# endif /* LC_MESSAGES */
|
|
(void) catclose(catd);
|
|
nlsinit();
|
|
# endif /* NLS_CATALOGS */
|
|
# ifdef LC_CTYPE
|
|
(void) setlocale(LC_CTYPE, ""); /* for iscntrl */
|
|
# endif /* LC_CTYPE */
|
|
# ifdef SETLOCALEBUG
|
|
dont_free = 0;
|
|
# endif /* SETLOCALEBUG */
|
|
# ifdef STRCOLLBUG
|
|
fix_strcoll_bug();
|
|
# endif /* STRCOLLBUG */
|
|
tw_cmd_free(); /* since the collation sequence has changed */
|
|
for (k = 0200; k <= 0377 && !Isprint(k); k++)
|
|
continue;
|
|
AsciiOnly = k > 0377;
|
|
#else /* !NLS */
|
|
AsciiOnly = 0;
|
|
#endif /* NLS */
|
|
NLSMapsAreInited = 0;
|
|
ed_Init();
|
|
if (MapsAreInited && !NLSMapsAreInited)
|
|
ed_InitNLSMaps();
|
|
xfree((ptr_t) lp);
|
|
return;
|
|
}
|
|
|
|
#ifdef NLS_CATALOGS
|
|
if (eq(vp, STRNLSPATH)) {
|
|
(void) catclose(catd);
|
|
nlsinit();
|
|
}
|
|
#endif
|
|
|
|
if (eq(vp, STRNOREBIND)) {
|
|
NoNLSRebind = 1;
|
|
MapsAreInited = 0;
|
|
NLSMapsAreInited = 0;
|
|
ed_InitMaps();
|
|
xfree((ptr_t) lp);
|
|
return;
|
|
}
|
|
#ifdef WINNT_NATIVE
|
|
if (eq(vp, STRtcshlang)) {
|
|
nlsinit();
|
|
xfree((ptr_t) lp);
|
|
return;
|
|
}
|
|
#endif /* WINNT_NATIVE */
|
|
if (eq(vp, STRKTERM)) {
|
|
char *t;
|
|
set(STRterm, quote(lp), VAR_READWRITE); /* lp memory used here */
|
|
t = short2str(lp);
|
|
if (noediting && strcmp(t, "unknown") != 0 && strcmp(t,"dumb") != 0) {
|
|
editing = 1;
|
|
noediting = 0;
|
|
set(STRedit, Strsave(STRNULL), VAR_READWRITE);
|
|
}
|
|
GotTermCaps = 0;
|
|
ed_Init();
|
|
return;
|
|
}
|
|
|
|
if (eq(vp, STRKHOME)) {
|
|
/*
|
|
* convert to canonical pathname (possibly resolving symlinks)
|
|
*/
|
|
lp = dcanon(lp, lp);
|
|
set(STRhome, quote(lp), VAR_READWRITE); /* cp memory used here */
|
|
|
|
/* fix directory stack for new tilde home */
|
|
dtilde();
|
|
return;
|
|
}
|
|
|
|
if (eq(vp, STRKSHLVL)) {
|
|
/* lp memory used here */
|
|
set(STRshlvl, quote(lp), VAR_READWRITE);
|
|
return;
|
|
}
|
|
|
|
if (eq(vp, STRKUSER)) {
|
|
set(STRuser, quote(lp), VAR_READWRITE); /* lp memory used here */
|
|
return;
|
|
}
|
|
|
|
if (eq(vp, STRKGROUP)) {
|
|
set(STRgroup, quote(lp), VAR_READWRITE); /* lp memory used here */
|
|
return;
|
|
}
|
|
|
|
#ifdef COLOR_LS_F
|
|
if (eq(vp, STRLS_COLORS)) {
|
|
parseLS_COLORS(lp);
|
|
return;
|
|
}
|
|
#endif /* COLOR_LS_F */
|
|
|
|
#ifdef SIG_WINDOW
|
|
/*
|
|
* Load/Update $LINES $COLUMNS
|
|
*/
|
|
if ((eq(lp, STRNULL) && (eq(vp, STRLINES) || eq(vp, STRCOLUMNS))) ||
|
|
eq(vp, STRTERMCAP)) {
|
|
xfree((ptr_t) lp);
|
|
check_window_size(1);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Change the size to the one directed by $LINES and $COLUMNS
|
|
*/
|
|
if (eq(vp, STRLINES) || eq(vp, STRCOLUMNS)) {
|
|
#if 0
|
|
GotTermCaps = 0;
|
|
#endif
|
|
xfree((ptr_t) lp);
|
|
ed_Init();
|
|
return;
|
|
}
|
|
#endif /* SIG_WINDOW */
|
|
xfree((ptr_t) lp);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dounsetenv(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
Char **ep, *p, *n;
|
|
int i, maxi;
|
|
static Char *name = NULL;
|
|
|
|
USE(c);
|
|
if (name)
|
|
xfree((ptr_t) name);
|
|
/*
|
|
* Find the longest environment variable
|
|
*/
|
|
for (maxi = 0, ep = STR_environ; *ep; ep++) {
|
|
for (i = 0, p = *ep; *p && *p != '='; p++, i++)
|
|
continue;
|
|
if (i > maxi)
|
|
maxi = i;
|
|
}
|
|
|
|
name = (Char *) xmalloc((size_t) ((maxi + 1) * sizeof(Char)));
|
|
|
|
while (++v && *v)
|
|
for (maxi = 1; maxi;)
|
|
for (maxi = 0, ep = STR_environ; *ep; ep++) {
|
|
for (n = name, p = *ep; *p && *p != '='; *n++ = *p++)
|
|
continue;
|
|
*n = '\0';
|
|
if (!Gmatch(name, *v))
|
|
continue;
|
|
maxi = 1;
|
|
|
|
/* Unset the name. This wasn't being done until
|
|
* later but most of the stuff following won't
|
|
* work (particularly the setlocale() and getenv()
|
|
* stuff) as intended until the name is actually
|
|
* removed. (sg)
|
|
*/
|
|
Unsetenv(name);
|
|
|
|
if (eq(name, STRNOREBIND)) {
|
|
NoNLSRebind = 0;
|
|
MapsAreInited = 0;
|
|
NLSMapsAreInited = 0;
|
|
ed_InitMaps();
|
|
}
|
|
#ifdef apollo
|
|
else if (eq(name, STRSYSTYPE))
|
|
dohash(NULL, NULL);
|
|
#endif /* apollo */
|
|
else if (islocale_var(name)) {
|
|
#ifdef NLS
|
|
int k;
|
|
|
|
# ifdef SETLOCALEBUG
|
|
dont_free = 1;
|
|
# endif /* SETLOCALEBUG */
|
|
(void) setlocale(LC_ALL, "");
|
|
# ifdef LC_COLLATE
|
|
(void) setlocale(LC_COLLATE, "");
|
|
# endif
|
|
# ifdef NLS_CATALOGS
|
|
# ifdef LC_MESSAGES
|
|
(void) setlocale(LC_MESSAGES, "");
|
|
# endif /* LC_MESSAGES */
|
|
(void) catclose(catd);
|
|
nlsinit();
|
|
# endif /* NLS_CATALOGS */
|
|
# ifdef LC_CTYPE
|
|
(void) setlocale(LC_CTYPE, ""); /* for iscntrl */
|
|
# endif /* LC_CTYPE */
|
|
# ifdef SETLOCALEBUG
|
|
dont_free = 0;
|
|
# endif /* SETLOCALEBUG */
|
|
# ifdef STRCOLLBUG
|
|
fix_strcoll_bug();
|
|
# endif /* STRCOLLBUG */
|
|
tw_cmd_free();/* since the collation sequence has changed */
|
|
for (k = 0200; k <= 0377 && !Isprint(k); k++)
|
|
continue;
|
|
AsciiOnly = k > 0377;
|
|
#else /* !NLS */
|
|
AsciiOnly = getenv("LANG") == NULL &&
|
|
getenv("LC_CTYPE") == NULL;
|
|
#endif /* NLS */
|
|
NLSMapsAreInited = 0;
|
|
ed_Init();
|
|
if (MapsAreInited && !NLSMapsAreInited)
|
|
ed_InitNLSMaps();
|
|
|
|
}
|
|
#ifdef WINNT_NATIVE
|
|
else if (eq(name,(STRtcshlang))) {
|
|
nls_dll_unload();
|
|
nlsinit();
|
|
}
|
|
#endif /* WINNT_NATIVE */
|
|
#ifdef COLOR_LS_F
|
|
else if (eq(name, STRLS_COLORS))
|
|
parseLS_COLORS(n);
|
|
#endif /* COLOR_LS_F */
|
|
#ifdef NLS_CATALOGS
|
|
else if (eq(name, STRNLSPATH)) {
|
|
(void) catclose(catd);
|
|
nlsinit();
|
|
}
|
|
#endif
|
|
/*
|
|
* start again cause the environment changes
|
|
*/
|
|
break;
|
|
}
|
|
xfree((ptr_t) name); name = NULL;
|
|
}
|
|
|
|
void
|
|
tsetenv(name, val)
|
|
Char *name, *val;
|
|
{
|
|
#ifdef SETENV_IN_LIB
|
|
/*
|
|
* XXX: This does not work right, since tcsh cannot track changes to
|
|
* the environment this way. (the builtin setenv without arguments does
|
|
* not print the right stuff neither does unsetenv). This was for Mach,
|
|
* it is not needed anymore.
|
|
*/
|
|
#undef setenv
|
|
char nameBuf[BUFSIZE];
|
|
char *cname = short2str(name);
|
|
|
|
if (cname == NULL)
|
|
return;
|
|
(void) strcpy(nameBuf, cname);
|
|
setenv(nameBuf, short2str(val), 1);
|
|
#else /* !SETENV_IN_LIB */
|
|
register Char **ep = STR_environ;
|
|
register Char *cp, *dp;
|
|
Char *blk[2];
|
|
Char **oep = ep;
|
|
|
|
#ifdef WINNT_NATIVE
|
|
nt_set_env(name,val);
|
|
#endif /* WINNT_NATIVE */
|
|
for (; *ep; ep++) {
|
|
#ifdef WINNT_NATIVE
|
|
for (cp = name, dp = *ep; *cp && Tolower(*cp & TRIM) == Tolower(*dp);
|
|
cp++, dp++)
|
|
#else
|
|
for (cp = name, dp = *ep; *cp && (*cp & TRIM) == *dp; cp++, dp++)
|
|
#endif /* WINNT_NATIVE */
|
|
continue;
|
|
if (*cp != 0 || *dp != '=')
|
|
continue;
|
|
cp = Strspl(STRequal, val);
|
|
xfree((ptr_t) * ep);
|
|
*ep = strip(Strspl(name, cp));
|
|
xfree((ptr_t) cp);
|
|
blkfree((Char **) environ);
|
|
environ = short2blk(STR_environ);
|
|
return;
|
|
}
|
|
cp = Strspl(name, STRequal);
|
|
blk[0] = strip(Strspl(cp, val));
|
|
xfree((ptr_t) cp);
|
|
blk[1] = 0;
|
|
STR_environ = blkspl(STR_environ, blk);
|
|
blkfree((Char **) environ);
|
|
environ = short2blk(STR_environ);
|
|
xfree((ptr_t) oep);
|
|
#endif /* SETENV_IN_LIB */
|
|
}
|
|
|
|
void
|
|
Unsetenv(name)
|
|
Char *name;
|
|
{
|
|
register Char **ep = STR_environ;
|
|
register Char *cp, *dp;
|
|
Char **oep = ep;
|
|
|
|
#ifdef WINNT_NATIVE
|
|
nt_set_env(name,NULL);
|
|
#endif /*WINNT_NATIVE */
|
|
for (; *ep; ep++) {
|
|
for (cp = name, dp = *ep; *cp && *cp == *dp; cp++, dp++)
|
|
continue;
|
|
if (*cp != 0 || *dp != '=')
|
|
continue;
|
|
cp = *ep;
|
|
*ep = 0;
|
|
STR_environ = blkspl(STR_environ, ep + 1);
|
|
blkfree((Char **) environ);
|
|
environ = short2blk(STR_environ);
|
|
*ep = cp;
|
|
xfree((ptr_t) cp);
|
|
xfree((ptr_t) oep);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doumask(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
register Char *cp = v[1];
|
|
register int i;
|
|
|
|
USE(c);
|
|
if (cp == 0) {
|
|
i = (int)umask(0);
|
|
(void) umask(i);
|
|
xprintf("%o\n", i);
|
|
return;
|
|
}
|
|
i = 0;
|
|
while (Isdigit(*cp) && *cp != '8' && *cp != '9')
|
|
i = i * 8 + *cp++ - '0';
|
|
if (*cp || i < 0 || i > 0777)
|
|
stderror(ERR_NAME | ERR_MASK);
|
|
(void) umask(i);
|
|
}
|
|
|
|
#ifndef HAVENOLIMIT
|
|
# ifndef BSDLIMIT
|
|
typedef long RLIM_TYPE;
|
|
# ifndef RLIM_INFINITY
|
|
# if !defined(_MINIX) && !defined(__clipper__) && !defined(_CRAY)
|
|
extern RLIM_TYPE ulimit();
|
|
# endif /* ! _MINIX && !__clipper__ */
|
|
# define RLIM_INFINITY 0x003fffff
|
|
# define RLIMIT_FSIZE 1
|
|
# endif /* RLIM_INFINITY */
|
|
# ifdef aiws
|
|
# define toset(a) (((a) == 3) ? 1004 : (a) + 1)
|
|
# define RLIMIT_DATA 3
|
|
# define RLIMIT_STACK 1005
|
|
# else /* aiws */
|
|
# define toset(a) ((a) + 1)
|
|
# endif /* aiws */
|
|
# else /* BSDLIMIT */
|
|
# if (defined(BSD4_4) || defined(__linux__)) && !defined(__386BSD__)
|
|
typedef rlim_t RLIM_TYPE;
|
|
# else
|
|
# if defined(SOLARIS2) || (defined(sgi) && SYSVREL > 3)
|
|
typedef rlim_t RLIM_TYPE;
|
|
# else
|
|
# if defined(_SX)
|
|
typedef long long RLIM_TYPE;
|
|
# else /* !_SX */
|
|
typedef unsigned long RLIM_TYPE;
|
|
# endif /* _SX */
|
|
# endif /* SOLARIS2 || (sgi && SYSVREL > 3) */
|
|
# endif /* BSD4_4 && !__386BSD__ */
|
|
# endif /* BSDLIMIT */
|
|
|
|
# if (HPUXVERSION > 700) && defined(BSDLIMIT)
|
|
/* Yes hpux8.0 has limits but <sys/resource.h> does not make them public */
|
|
/* Yes, we could have defined _KERNEL, and -I/etc/conf/h, but is that better? */
|
|
# ifndef RLIMIT_CPU
|
|
# define RLIMIT_CPU 0
|
|
# define RLIMIT_FSIZE 1
|
|
# define RLIMIT_DATA 2
|
|
# define RLIMIT_STACK 3
|
|
# define RLIMIT_CORE 4
|
|
# define RLIMIT_RSS 5
|
|
# define RLIMIT_NOFILE 6
|
|
# endif /* RLIMIT_CPU */
|
|
# ifndef RLIM_INFINITY
|
|
# define RLIM_INFINITY 0x7fffffff
|
|
# endif /* RLIM_INFINITY */
|
|
/*
|
|
* old versions of HP/UX counted limits in 512 bytes
|
|
*/
|
|
# ifndef SIGRTMIN
|
|
# define FILESIZE512
|
|
# endif /* SIGRTMIN */
|
|
# endif /* (HPUXVERSION > 700) && BSDLIMIT */
|
|
|
|
# if SYSVREL > 3 && defined(BSDLIMIT) && !defined(_SX)
|
|
/* In order to use rusage, we included "/usr/ucbinclude/sys/resource.h" in */
|
|
/* sh.h. However, some SVR4 limits are defined in <sys/resource.h>. Rather */
|
|
/* than include both and get warnings, we define the extra SVR4 limits here. */
|
|
/* XXX: I don't understand if RLIMIT_AS is defined, why don't we define */
|
|
/* RLIMIT_VMEM based on it? */
|
|
# ifndef RLIMIT_VMEM
|
|
# define RLIMIT_VMEM 6
|
|
# endif
|
|
# ifndef RLIMIT_AS
|
|
# define RLIMIT_AS RLIMIT_VMEM
|
|
# endif
|
|
# endif /* SYSVREL > 3 && BSDLIMIT */
|
|
|
|
# if defined(__linux__) && defined(RLIMIT_AS) && !defined(RLIMIT_VMEM)
|
|
# define RLIMIT_VMEM RLIMIT_AS
|
|
# endif
|
|
|
|
struct limits limits[] =
|
|
{
|
|
# ifdef RLIMIT_CPU
|
|
{ RLIMIT_CPU, "cputime", 1, "seconds" },
|
|
# endif /* RLIMIT_CPU */
|
|
|
|
# ifdef RLIMIT_FSIZE
|
|
# ifndef aiws
|
|
{ RLIMIT_FSIZE, "filesize", 1024, "kbytes" },
|
|
# else
|
|
{ RLIMIT_FSIZE, "filesize", 512, "blocks" },
|
|
# endif /* aiws */
|
|
# endif /* RLIMIT_FSIZE */
|
|
|
|
# ifdef RLIMIT_DATA
|
|
{ RLIMIT_DATA, "datasize", 1024, "kbytes" },
|
|
# endif /* RLIMIT_DATA */
|
|
|
|
# ifdef RLIMIT_STACK
|
|
# ifndef aiws
|
|
{ RLIMIT_STACK, "stacksize", 1024, "kbytes" },
|
|
# else
|
|
{ RLIMIT_STACK, "stacksize", 1024 * 1024, "kbytes"},
|
|
# endif /* aiws */
|
|
# endif /* RLIMIT_STACK */
|
|
|
|
# ifdef RLIMIT_CORE
|
|
{ RLIMIT_CORE, "coredumpsize", 1024, "kbytes" },
|
|
# endif /* RLIMIT_CORE */
|
|
|
|
# ifdef RLIMIT_RSS
|
|
{ RLIMIT_RSS, "memoryuse", 1024, "kbytes" },
|
|
# endif /* RLIMIT_RSS */
|
|
|
|
# ifdef RLIMIT_UMEM
|
|
{ RLIMIT_UMEM, "memoryuse", 1024, "kbytes" },
|
|
# endif /* RLIMIT_UMEM */
|
|
|
|
# ifdef RLIMIT_VMEM
|
|
{ RLIMIT_VMEM, "vmemoryuse", 1024, "kbytes" },
|
|
# endif /* RLIMIT_VMEM */
|
|
|
|
# ifdef RLIMIT_NOFILE
|
|
{ RLIMIT_NOFILE, "descriptors", 1, "" },
|
|
# endif /* RLIMIT_NOFILE */
|
|
|
|
# ifdef RLIMIT_CONCUR
|
|
{ RLIMIT_CONCUR, "concurrency", 1, "thread(s)" },
|
|
# endif /* RLIMIT_CONCUR */
|
|
|
|
# ifdef RLIMIT_MEMLOCK
|
|
{ RLIMIT_MEMLOCK, "memorylocked", 1024, "kbytes" },
|
|
# endif /* RLIMIT_MEMLOCK */
|
|
|
|
# ifdef RLIMIT_NPROC
|
|
{ RLIMIT_NPROC, "maxproc", 1, "" },
|
|
# endif /* RLIMIT_NPROC */
|
|
|
|
# if defined(RLIMIT_OFILE) && !defined(RLIMIT_NOFILE)
|
|
{ RLIMIT_OFILE, "openfiles", 1, "" },
|
|
# endif /* RLIMIT_OFILE && !defined(RLIMIT_NOFILE) */
|
|
|
|
# ifdef RLIMIT_SBSIZE
|
|
{ RLIMIT_SBSIZE, "sbsize", 1, "" },
|
|
# endif /* RLIMIT_SBSIZE */
|
|
|
|
{ -1, NULL, 0, NULL }
|
|
};
|
|
|
|
static struct limits *findlim __P((Char *));
|
|
static RLIM_TYPE getval __P((struct limits *, Char **));
|
|
static void limtail __P((Char *, char*));
|
|
static void plim __P((struct limits *, int));
|
|
static int setlim __P((struct limits *, int, RLIM_TYPE));
|
|
|
|
#ifdef convex
|
|
static RLIM_TYPE
|
|
restrict_limit(value)
|
|
double value;
|
|
{
|
|
/*
|
|
* is f too large to cope with? return the maximum or minimum int
|
|
*/
|
|
if (value > (double) INT_MAX)
|
|
return (RLIM_TYPE) INT_MAX;
|
|
else if (value < (double) INT_MIN)
|
|
return (RLIM_TYPE) INT_MIN;
|
|
else
|
|
return (RLIM_TYPE) value;
|
|
}
|
|
#else /* !convex */
|
|
# define restrict_limit(x) ((RLIM_TYPE) (x))
|
|
#endif /* convex */
|
|
|
|
|
|
static struct limits *
|
|
findlim(cp)
|
|
Char *cp;
|
|
{
|
|
register struct limits *lp, *res;
|
|
|
|
res = (struct limits *) NULL;
|
|
for (lp = limits; lp->limconst >= 0; lp++)
|
|
if (prefix(cp, str2short(lp->limname))) {
|
|
if (res)
|
|
stderror(ERR_NAME | ERR_AMBIG);
|
|
res = lp;
|
|
}
|
|
if (res)
|
|
return (res);
|
|
stderror(ERR_NAME | ERR_LIMIT);
|
|
/* NOTREACHED */
|
|
return (0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dolimit(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
register struct limits *lp;
|
|
register RLIM_TYPE limit;
|
|
int hard = 0;
|
|
|
|
USE(c);
|
|
v++;
|
|
if (*v && eq(*v, STRmh)) {
|
|
hard = 1;
|
|
v++;
|
|
}
|
|
if (*v == 0) {
|
|
for (lp = limits; lp->limconst >= 0; lp++)
|
|
plim(lp, hard);
|
|
return;
|
|
}
|
|
lp = findlim(v[0]);
|
|
if (v[1] == 0) {
|
|
plim(lp, hard);
|
|
return;
|
|
}
|
|
limit = getval(lp, v + 1);
|
|
if (setlim(lp, hard, limit) < 0)
|
|
stderror(ERR_SILENT);
|
|
}
|
|
|
|
static RLIM_TYPE
|
|
getval(lp, v)
|
|
register struct limits *lp;
|
|
Char **v;
|
|
{
|
|
register float f;
|
|
#ifndef atof /* This can be a macro on linux */
|
|
extern double atof __P((const char *));
|
|
#endif /* atof */
|
|
Char *cp = *v++;
|
|
|
|
f = atof(short2str(cp));
|
|
|
|
# ifdef convex
|
|
/*
|
|
* is f too large to cope with. limit f to minint, maxint - X-6768 by
|
|
* strike
|
|
*/
|
|
if ((f < (double) INT_MIN) || (f > (double) INT_MAX)) {
|
|
stderror(ERR_NAME | ERR_TOOLARGE);
|
|
}
|
|
# endif /* convex */
|
|
|
|
while (Isdigit(*cp) || *cp == '.' || *cp == 'e' || *cp == 'E')
|
|
cp++;
|
|
if (*cp == 0) {
|
|
if (*v == 0)
|
|
return restrict_limit((f * lp->limdiv) + 0.5);
|
|
cp = *v;
|
|
}
|
|
switch (*cp) {
|
|
# ifdef RLIMIT_CPU
|
|
case ':':
|
|
if (lp->limconst != RLIMIT_CPU)
|
|
goto badscal;
|
|
return f == 0.0 ? (RLIM_TYPE) 0 : restrict_limit((f * 60.0 + atof(short2str(cp + 1))));
|
|
case 'h':
|
|
if (lp->limconst != RLIMIT_CPU)
|
|
goto badscal;
|
|
limtail(cp, "hours");
|
|
f *= 3600.0;
|
|
break;
|
|
case 'm':
|
|
if (lp->limconst == RLIMIT_CPU) {
|
|
limtail(cp, "minutes");
|
|
f *= 60.0;
|
|
break;
|
|
}
|
|
*cp = 'm';
|
|
limtail(cp, "megabytes");
|
|
f *= 1024.0 * 1024.0;
|
|
break;
|
|
case 's':
|
|
if (lp->limconst != RLIMIT_CPU)
|
|
goto badscal;
|
|
limtail(cp, "seconds");
|
|
break;
|
|
# endif /* RLIMIT_CPU */
|
|
case 'M':
|
|
# ifdef RLIMIT_CPU
|
|
if (lp->limconst == RLIMIT_CPU)
|
|
goto badscal;
|
|
# endif /* RLIMIT_CPU */
|
|
*cp = 'm';
|
|
limtail(cp, "megabytes");
|
|
f *= 1024.0 * 1024.0;
|
|
break;
|
|
case 'k':
|
|
# ifdef RLIMIT_CPU
|
|
if (lp->limconst == RLIMIT_CPU)
|
|
goto badscal;
|
|
# endif /* RLIMIT_CPU */
|
|
limtail(cp, "kbytes");
|
|
f *= 1024.0;
|
|
break;
|
|
case 'b':
|
|
# ifdef RLIMIT_CPU
|
|
if (lp->limconst == RLIMIT_CPU)
|
|
goto badscal;
|
|
# endif /* RLIMIT_CPU */
|
|
limtail(cp, "blocks");
|
|
f *= 512.0;
|
|
break;
|
|
case 'u':
|
|
limtail(cp, "unlimited");
|
|
return ((RLIM_TYPE) RLIM_INFINITY);
|
|
default:
|
|
# ifdef RLIMIT_CPU
|
|
badscal:
|
|
# endif /* RLIMIT_CPU */
|
|
stderror(ERR_NAME | ERR_SCALEF);
|
|
}
|
|
# ifdef convex
|
|
return f == 0.0 ? (RLIM_TYPE) 0 : restrict_limit((f + 0.5));
|
|
# else
|
|
f += 0.5;
|
|
if (f > (float) RLIM_INFINITY)
|
|
return ((RLIM_TYPE) RLIM_INFINITY);
|
|
else
|
|
return ((RLIM_TYPE) f);
|
|
# endif /* convex */
|
|
}
|
|
|
|
static void
|
|
limtail(cp, str)
|
|
Char *cp;
|
|
char *str;
|
|
{
|
|
char *sp;
|
|
|
|
sp = str;
|
|
while (*cp && *cp == *str)
|
|
cp++, str++;
|
|
if (*cp)
|
|
stderror(ERR_BADSCALE, sp);
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
plim(lp, hard)
|
|
register struct limits *lp;
|
|
int hard;
|
|
{
|
|
# ifdef BSDLIMIT
|
|
struct rlimit rlim;
|
|
# endif /* BSDLIMIT */
|
|
RLIM_TYPE limit;
|
|
int div = lp->limdiv;
|
|
|
|
xprintf("%s \t", lp->limname);
|
|
|
|
# ifndef BSDLIMIT
|
|
limit = ulimit(lp->limconst, 0);
|
|
# ifdef aiws
|
|
if (lp->limconst == RLIMIT_DATA)
|
|
limit -= 0x20000000;
|
|
# endif /* aiws */
|
|
# else /* BSDLIMIT */
|
|
(void) getrlimit(lp->limconst, &rlim);
|
|
limit = hard ? rlim.rlim_max : rlim.rlim_cur;
|
|
# endif /* BSDLIMIT */
|
|
|
|
# if !defined(BSDLIMIT) || defined(FILESIZE512)
|
|
/*
|
|
* Christos: filesize comes in 512 blocks. we divide by 2 to get 1024
|
|
* blocks. Note we cannot pre-multiply cause we might overflow (A/UX)
|
|
*/
|
|
if (lp->limconst == RLIMIT_FSIZE) {
|
|
if (limit >= (RLIM_INFINITY / 512))
|
|
limit = RLIM_INFINITY;
|
|
else
|
|
div = (div == 1024 ? 2 : 1);
|
|
}
|
|
# endif /* !BSDLIMIT || FILESIZE512 */
|
|
|
|
if (limit == RLIM_INFINITY)
|
|
xprintf("unlimited");
|
|
else
|
|
# ifdef RLIMIT_CPU
|
|
if (lp->limconst == RLIMIT_CPU)
|
|
psecs((long) limit);
|
|
else
|
|
# endif /* RLIMIT_CPU */
|
|
xprintf("%ld %s", (long) (limit / div), lp->limscale);
|
|
xputchar('\n');
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dounlimit(v, c)
|
|
register Char **v;
|
|
struct command *c;
|
|
{
|
|
register struct limits *lp;
|
|
int lerr = 0;
|
|
int hard = 0;
|
|
int force = 0;
|
|
|
|
USE(c);
|
|
while (*++v && **v == '-') {
|
|
Char *vp = *v;
|
|
while (*++vp)
|
|
switch (*vp) {
|
|
case 'f':
|
|
force = 1;
|
|
break;
|
|
case 'h':
|
|
hard = 1;
|
|
break;
|
|
default:
|
|
stderror(ERR_ULIMUS);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (*v == 0) {
|
|
for (lp = limits; lp->limconst >= 0; lp++)
|
|
if (setlim(lp, hard, (RLIM_TYPE) RLIM_INFINITY) < 0)
|
|
lerr++;
|
|
if (!force && lerr)
|
|
stderror(ERR_SILENT);
|
|
return;
|
|
}
|
|
while (*v) {
|
|
lp = findlim(*v++);
|
|
if (setlim(lp, hard, (RLIM_TYPE) RLIM_INFINITY) < 0 && !force)
|
|
stderror(ERR_SILENT);
|
|
}
|
|
}
|
|
|
|
static int
|
|
setlim(lp, hard, limit)
|
|
register struct limits *lp;
|
|
int hard;
|
|
RLIM_TYPE limit;
|
|
{
|
|
# ifdef BSDLIMIT
|
|
struct rlimit rlim;
|
|
|
|
(void) getrlimit(lp->limconst, &rlim);
|
|
|
|
# ifdef FILESIZE512
|
|
/* Even though hpux has setrlimit(), it expects fsize in 512 byte blocks */
|
|
if (limit != RLIM_INFINITY && lp->limconst == RLIMIT_FSIZE)
|
|
limit /= 512;
|
|
# endif /* FILESIZE512 */
|
|
if (hard)
|
|
rlim.rlim_max = limit;
|
|
else if (limit == RLIM_INFINITY && euid != 0)
|
|
rlim.rlim_cur = rlim.rlim_max;
|
|
else
|
|
rlim.rlim_cur = limit;
|
|
|
|
if (rlim.rlim_cur > rlim.rlim_max)
|
|
rlim.rlim_max = rlim.rlim_cur;
|
|
|
|
if (setrlimit(lp->limconst, &rlim) < 0) {
|
|
# else /* BSDLIMIT */
|
|
if (limit != RLIM_INFINITY && lp->limconst == RLIMIT_FSIZE)
|
|
limit /= 512;
|
|
# ifdef aiws
|
|
if (lp->limconst == RLIMIT_DATA)
|
|
limit += 0x20000000;
|
|
# endif /* aiws */
|
|
if (ulimit(toset(lp->limconst), limit) < 0) {
|
|
# endif /* BSDLIMIT */
|
|
xprintf(CGETS(15, 1, "%s: %s: Can't %s%s limit (%s)\n"), bname,
|
|
lp->limname, limit == RLIM_INFINITY ? CGETS(15, 2, "remove") :
|
|
CGETS(15, 3, "set"), hard ? CGETS(14, 4, " hard") : "",
|
|
strerror(errno));
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#endif /* !HAVENOLIMIT */
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dosuspend(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
#ifdef BSDJOBS
|
|
int ctpgrp;
|
|
|
|
signalfun_t old;
|
|
#endif /* BSDJOBS */
|
|
|
|
USE(c);
|
|
USE(v);
|
|
|
|
if (loginsh)
|
|
stderror(ERR_SUSPLOG);
|
|
untty();
|
|
|
|
#ifdef BSDJOBS
|
|
old = signal(SIGTSTP, SIG_DFL);
|
|
(void) kill(0, SIGTSTP);
|
|
/* the shell stops here */
|
|
(void) signal(SIGTSTP, old);
|
|
#else /* !BSDJOBS */
|
|
stderror(ERR_JOBCONTROL);
|
|
#endif /* BSDJOBS */
|
|
|
|
#ifdef BSDJOBS
|
|
if (tpgrp != -1) {
|
|
retry:
|
|
ctpgrp = tcgetpgrp(FSHTTY);
|
|
if (ctpgrp != opgrp) {
|
|
old = signal(SIGTTIN, SIG_DFL);
|
|
(void) kill(0, SIGTTIN);
|
|
(void) signal(SIGTTIN, old);
|
|
goto retry;
|
|
}
|
|
(void) setpgid(0, shpgrp);
|
|
(void) tcsetpgrp(FSHTTY, shpgrp);
|
|
}
|
|
#endif /* BSDJOBS */
|
|
(void) setdisc(FSHTTY);
|
|
}
|
|
|
|
/* This is the dreaded EVAL built-in.
|
|
* If you don't fiddle with file descriptors, and reset didfds,
|
|
* this command will either ignore redirection inside or outside
|
|
* its arguments, e.g. eval "date >x" vs. eval "date" >x
|
|
* The stuff here seems to work, but I did it by trial and error rather
|
|
* than really knowing what was going on. If tpgrp is zero, we are
|
|
* probably a background eval, e.g. "eval date &", and we want to
|
|
* make sure that any processes we start stay in our pgrp.
|
|
* This is also the case for "time eval date" -- stay in same pgrp.
|
|
* Otherwise, under stty tostop, processes will stop in the wrong
|
|
* pgrp, with no way for the shell to get them going again. -IAN!
|
|
*/
|
|
|
|
static Char **gv = NULL, **gav = NULL;
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
doeval(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
Char **oevalvec;
|
|
Char *oevalp;
|
|
int odidfds;
|
|
#ifndef CLOSE_ON_EXEC
|
|
int odidcch;
|
|
#endif /* CLOSE_ON_EXEC */
|
|
jmp_buf_t osetexit;
|
|
int my_reenter;
|
|
Char **savegv;
|
|
int saveIN, saveOUT, saveDIAG;
|
|
int oSHIN, oSHOUT, oSHDIAG;
|
|
|
|
USE(c);
|
|
oevalvec = evalvec;
|
|
oevalp = evalp;
|
|
odidfds = didfds;
|
|
#ifndef CLOSE_ON_EXEC
|
|
odidcch = didcch;
|
|
#endif /* CLOSE_ON_EXEC */
|
|
oSHIN = SHIN;
|
|
oSHOUT = SHOUT;
|
|
oSHDIAG = SHDIAG;
|
|
|
|
savegv = gv;
|
|
gav = v;
|
|
|
|
gav++;
|
|
if (*gav == 0)
|
|
return;
|
|
gflag = 0, tglob(gav);
|
|
if (gflag) {
|
|
gv = gav = globall(gav);
|
|
gargv = 0;
|
|
if (gav == 0)
|
|
stderror(ERR_NOMATCH);
|
|
gav = copyblk(gav);
|
|
}
|
|
else {
|
|
gv = NULL;
|
|
gav = copyblk(gav);
|
|
trim(gav);
|
|
}
|
|
|
|
saveIN = dcopy(SHIN, -1);
|
|
saveOUT = dcopy(SHOUT, -1);
|
|
saveDIAG = dcopy(SHDIAG, -1);
|
|
|
|
getexit(osetexit);
|
|
|
|
/* PWP: setjmp/longjmp bugfix for optimizing compilers */
|
|
#ifdef cray
|
|
my_reenter = 1; /* assume non-zero return val */
|
|
if (setexit() == 0) {
|
|
my_reenter = 0; /* Oh well, we were wrong */
|
|
#else /* !cray */
|
|
if ((my_reenter = setexit()) == 0) {
|
|
#endif /* cray */
|
|
evalvec = gav;
|
|
evalp = 0;
|
|
SHIN = dcopy(0, -1);
|
|
SHOUT = dcopy(1, -1);
|
|
SHDIAG = dcopy(2, -1);
|
|
#ifndef CLOSE_ON_EXEC
|
|
didcch = 0;
|
|
#endif /* CLOSE_ON_EXEC */
|
|
didfds = 0;
|
|
process(0);
|
|
}
|
|
|
|
evalvec = oevalvec;
|
|
evalp = oevalp;
|
|
doneinp = 0;
|
|
#ifndef CLOSE_ON_EXEC
|
|
didcch = odidcch;
|
|
#endif /* CLOSE_ON_EXEC */
|
|
didfds = odidfds;
|
|
(void) close(SHIN);
|
|
(void) close(SHOUT);
|
|
(void) close(SHDIAG);
|
|
SHIN = dmove(saveIN, oSHIN);
|
|
SHOUT = dmove(saveOUT, oSHOUT);
|
|
SHDIAG = dmove(saveDIAG, oSHDIAG);
|
|
|
|
if (gv)
|
|
blkfree(gv);
|
|
|
|
gv = savegv;
|
|
resexit(osetexit);
|
|
if (my_reenter)
|
|
stderror(ERR_SILENT);
|
|
}
|
|
|
|
/*************************************************************************/
|
|
/* print list of builtin commands */
|
|
|
|
/*ARGSUSED*/
|
|
void
|
|
dobuiltins(v, c)
|
|
Char **v;
|
|
struct command *c;
|
|
{
|
|
/* would use print_by_column() in tw.parse.c but that assumes
|
|
* we have an array of Char * to pass.. (sg)
|
|
*/
|
|
extern int Tty_raw_mode;
|
|
extern int TermH; /* from the editor routines */
|
|
extern int lbuffed; /* from sh.print.c */
|
|
|
|
register struct biltins *b;
|
|
register int row, col, columns, rows;
|
|
unsigned int w, maxwidth;
|
|
|
|
USE(c);
|
|
USE(v);
|
|
lbuffed = 0; /* turn off line buffering */
|
|
|
|
/* find widest string */
|
|
for (maxwidth = 0, b = bfunc; b < &bfunc[nbfunc]; ++b)
|
|
maxwidth = max(maxwidth, strlen(b->bname));
|
|
++maxwidth; /* for space */
|
|
|
|
columns = (TermH + 1) / maxwidth; /* PWP: terminal size change */
|
|
if (!columns)
|
|
columns = 1;
|
|
rows = (nbfunc + (columns - 1)) / columns;
|
|
|
|
for (b = bfunc, row = 0; row < rows; row++) {
|
|
for (col = 0; col < columns; col++) {
|
|
if (b < &bfunc[nbfunc]) {
|
|
w = strlen(b->bname);
|
|
xprintf("%s", b->bname);
|
|
if (col < (columns - 1)) /* Not last column? */
|
|
for (; w < maxwidth; w++)
|
|
xputchar(' ');
|
|
++b;
|
|
}
|
|
}
|
|
if (row < (rows - 1)) {
|
|
if (Tty_raw_mode)
|
|
xputchar('\r');
|
|
xputchar('\n');
|
|
}
|
|
}
|
|
#ifdef WINNT_NATIVE
|
|
nt_print_builtins(maxwidth);
|
|
#else
|
|
if (Tty_raw_mode)
|
|
xputchar('\r');
|
|
xputchar('\n');
|
|
#endif /* WINNT_NATIVE */
|
|
|
|
lbuffed = 1; /* turn back on line buffering */
|
|
flush();
|
|
}
|
|
|
|
void
|
|
nlsinit()
|
|
{
|
|
#ifdef NLS_CATALOGS
|
|
char catalog[ 256 ] = { 't', 'c', 's', 'h', '\0' };
|
|
|
|
if (adrof(STRcatalog) != NULL)
|
|
xsnprintf((char *)catalog, sizeof(catalog), "tcsh.%s",
|
|
short2str(varval(STRcatalog)));
|
|
catd = catopen(catalog, MCLoadBySet);
|
|
#endif /* NLS_CATALOGS */
|
|
#ifdef WINNT_NATIVE
|
|
nls_dll_init();
|
|
#endif /* WINNT_NATIVE */
|
|
errinit(); /* init the errorlist in correct locale */
|
|
mesginit(); /* init the messages for signals */
|
|
dateinit(); /* init the messages for dates */
|
|
editinit(); /* init the editor messages */
|
|
terminit(); /* init the termcap messages */
|
|
}
|