1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27/* All Rights Reserved */ 28 29#pragma ident "%Z%%M% %I% %E% SMI" 30/* 31 * UNIX shell 32 */ 33 34#include <setjmp.h> 35#include "mode.h" 36#include "name.h" 37#include <sys/param.h> 38#ifndef NOFILE 39#define NOFILE 20 40#endif 41/* temp files and io */ 42 43int output = 2; 44int ioset; 45struct ionod *iotemp; /* files to be deleted sometime */ 46struct ionod *fiotemp; /* function files to be deleted sometime */ 47struct ionod *iopend; /* documents waiting to be read at NL */ 48struct fdsave fdmap[NOFILE]; 49 50/* substitution */ 51int dolc; 52unsigned char **dolv; 53struct dolnod *argfor; 54struct argnod *gchain; 55 56 57/* name tree and words */ 58int wdval; 59int wdnum; 60int fndef; 61int nohash; 62struct argnod *wdarg; 63int wdset; 64BOOL reserv; 65 66/* special names */ 67unsigned char *pcsadr; 68unsigned char *pidadr; 69unsigned char *cmdadr; 70 71/* transput */ 72int tmpout_offset; 73unsigned int serial; 74unsigned peekc; 75unsigned peekn; 76unsigned char *comdiv; 77long flags; 78int rwait; /* flags read waiting */ 79 80/* error exits from various parts of shell */ 81jmp_buf subshell; 82jmp_buf errshell; 83 84/* fault handling */ 85BOOL trapnote; 86 87/* execflgs */ 88int exitval; 89int retval; 90BOOL execbrk; 91int loopcnt; 92int breakcnt; 93int funcnt; 94int eflag; 95/* 96 * The following flag is set if you try to exit with stopped jobs. 97 * On the second try the exit will succeed. 98 */ 99int tried_to_exit; 100/* 101 * The following flag is set to true if /usr/ucb is found in the path 102 * before /usr/bin. This value is checked when executing the echo and test 103 * built-in commands. If true, the command behaves as in BSD systems. 104 */ 105int ucb_builtins; 106 107/* The following stuff is from stak.h */ 108 109unsigned char *stakbas; 110unsigned char *staktop; 111unsigned char *stakbot = 0; 112struct blk *stakbsy; 113unsigned char *brkend; 114