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 (c) 2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 /* 32 * UNIX shell 33 */ 34 35 #include <setjmp.h> 36 #include "mode.h" 37 #include "name.h" 38 #include <sys/param.h> 39 #ifndef NOFILE 40 #define NOFILE 20 41 #endif 42 /* temp files and io */ 43 44 int output = 2; 45 int ioset; 46 struct ionod *iotemp; /* files to be deleted sometime */ 47 struct ionod *fiotemp; /* function files to be deleted sometime */ 48 struct ionod *iopend; /* documents waiting to be read at NL */ 49 struct fdsave fdmap[NOFILE]; 50 51 /* substitution */ 52 int dolc; 53 unsigned char **dolv; 54 struct dolnod *argfor; 55 struct argnod *gchain; 56 57 58 /* name tree and words */ 59 int wdval; 60 int wdnum; 61 int fndef; 62 int nohash; 63 struct argnod *wdarg; 64 int wdset; 65 BOOL reserv; 66 67 /* special names */ 68 unsigned char *pcsadr; 69 unsigned char *pidadr; 70 unsigned char *cmdadr; 71 72 /* transput */ 73 unsigned char *tmpname; 74 int serial; 75 unsigned peekc; 76 unsigned peekn; 77 unsigned char *comdiv; 78 long flags; 79 int rwait; /* flags read waiting */ 80 81 /* error exits from various parts of shell */ 82 jmp_buf subshell; 83 jmp_buf errshell; 84 85 /* fault handling */ 86 BOOL trapnote; 87 88 /* execflgs */ 89 int exitval; 90 int retval; 91 BOOL execbrk; 92 int loopcnt; 93 int breakcnt; 94 int funcnt; 95 int eflag; 96 /* 97 * The following flag is set if you try to exit with stopped jobs. 98 * On the second try the exit will succeed. 99 */ 100 int tried_to_exit; 101 /* 102 * The following flag is set to true if /usr/ucb is found in the path 103 * before /usr/bin. This value is checked when executing the echo and test 104 * built-in commands. If true, the command behaves as in BSD systems. 105 */ 106 int ucb_builtins; 107 108 /* The following stuff is from stak.h */ 109 110 unsigned char *stakbas; 111 unsigned char *staktop; 112 unsigned char *stakbot = 0; 113 struct blk *stakbsy; 114 unsigned char *brkend; 115