| /* $NetBSD: eval.h,v 1.14 2003/08/07 09:05:31 agc Exp $ */ | |
| /*- | |
| * Copyright (c) 1991, 1993 | |
| * The Regents of the University of California. All rights reserved. | |
| * | |
| * This code is derived from software contributed to Berkeley by | |
| * Kenneth Almquist. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * 3. Neither the name of the University nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software | |
| * without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| * | |
| * @(#)eval.h 8.2 (Berkeley) 5/4/95 | |
| */ | |
| extern char *commandname; /* currently executing command */ | |
| extern int exitstatus; /* exit status of last command */ | |
| extern int back_exitstatus; /* exit status of backquoted command */ | |
| extern struct strlist *cmdenviron; /* environment for builtin command */ | |
| struct backcmd { /* result of evalbackcmd */ | |
| int fd; /* file descriptor to read from */ | |
| char *buf; /* buffer */ | |
| int nleft; /* number of chars in buffer */ | |
| struct job *jp; /* job structure for command */ | |
| }; | |
| void evalstring(char *, int); | |
| union node; /* BLETCH for ansi C */ | |
| void evaltree(union node *, int); | |
| void evalbackcmd(union node *, struct backcmd *); | |
| /* in_function returns nonzero if we are currently evaluating a function */ | |
| #define in_function() funcnest | |
| extern int funcnest; | |
| extern int evalskip; | |
| /* reasons for skipping commands (see comment on breakcmd routine) */ | |
| #define SKIPBREAK 1 | |
| #define SKIPCONT 2 | |
| #define SKIPFUNC 3 | |
| #define SKIPFILE 4 |