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 43 int output = 2; 44 int ioset; 45 struct ionod *iotemp; /* files to be deleted sometime */ 46 struct ionod *fiotemp; /* function files to be deleted sometime */ 47 struct ionod *iopend; /* documents waiting to be read at NL */ 48 struct fdsave fdmap[NOFILE]; 49 50 /* substitution */ 51 int dolc; 52 unsigned char **dolv; 53 struct dolnod *argfor; 54 struct argnod *gchain; 55 56 57 /* name tree and words */ 58 int wdval; 59 int wdnum; 60 int fndef; 61 int nohash; 62 struct argnod *wdarg; 63 int wdset; 64 BOOL reserv; 65 66 /* special names */ 67 unsigned char *pcsadr; 68 unsigned char *pidadr; 69 unsigned char *cmdadr; 70 71 /* transput */ 72 int tmpout_offset; 73 unsigned int serial; 74 unsigned peekc; 75 unsigned peekn; 76 unsigned char *comdiv; 77 long flags; 78 int rwait; /* flags read waiting */ 79 80 /* error exits from various parts of shell */ 81 jmp_buf subshell; 82 jmp_buf errshell; 83 84 /* fault handling */ 85 BOOL trapnote; 86 87 /* execflgs */ 88 int exitval; 89 int retval; 90 BOOL execbrk; 91 int loopcnt; 92 int breakcnt; 93 int funcnt; 94 int 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 */ 99 int 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 */ 105 int ucb_builtins; 106 107 /* The following stuff is from stak.h */ 108 109 unsigned char *stakbas; 110 unsigned char *staktop; 111 unsigned char *stakbot = 0; 112 struct blk *stakbsy; 113 unsigned char *brkend; 114