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 /* 30 * UNIX shell 31 */ 32 33 #include <setjmp.h> 34 #include "mode.h" 35 #include "name.h" 36 #include <sys/param.h> 37 #ifndef NOFILE 38 #define NOFILE 20 39 #endif 40 /* temp files and io */ 41 42 int output = 2; 43 int ioset; 44 struct ionod *iotemp; /* files to be deleted sometime */ 45 struct ionod *fiotemp; /* function files to be deleted sometime */ 46 struct ionod *iopend; /* documents waiting to be read at NL */ 47 struct fdsave fdmap[NOFILE]; 48 49 /* substitution */ 50 int dolc; 51 unsigned char **dolv; 52 struct dolnod *argfor; 53 struct argnod *gchain; 54 55 56 /* name tree and words */ 57 int wdval; 58 int wdnum; 59 int fndef; 60 int nohash; 61 struct argnod *wdarg; 62 int wdset; 63 BOOL reserv; 64 65 /* special names */ 66 unsigned char *pcsadr; 67 unsigned char *pidadr; 68 unsigned char *cmdadr; 69 70 /* transput */ 71 int tmpout_offset; 72 unsigned int serial; 73 unsigned peekc; 74 unsigned peekn; 75 unsigned char *comdiv; 76 long flags; 77 int rwait; /* flags read waiting */ 78 79 /* error exits from various parts of shell */ 80 jmp_buf subshell; 81 jmp_buf errshell; 82 83 /* fault handling */ 84 BOOL trapnote; 85 86 /* execflgs */ 87 int exitval; 88 int retval; 89 BOOL execbrk; 90 int loopcnt; 91 int breakcnt; 92 int funcnt; 93 int eflag; 94 /* 95 * The following flag is set if you try to exit with stopped jobs. 96 * On the second try the exit will succeed. 97 */ 98 int tried_to_exit; 99 /* 100 * The following flag is set to true if /usr/ucb is found in the path 101 * before /usr/bin. This value is checked when executing the echo and test 102 * built-in commands. If true, the command behaves as in BSD systems. 103 */ 104 int ucb_builtins; 105 106 /* The following stuff is from stak.h */ 107 108 unsigned char *stakbas; 109 unsigned char *staktop; 110 unsigned char *stakbot = 0; 111 struct blk *stakbsy; 112 unsigned char *brkend; 113