1
/* $NetBSD: eval.h,v 1.14 2003/08/07 09:05:31 agc Exp $ */
4
* Copyright (c) 1991, 1993
5
* The Regents of the University of California. All rights reserved.
7
* This code is derived from software contributed to Berkeley by
10
* Redistribution and use in source and binary forms, with or without
11
* modification, are permitted provided that the following conditions
13
* 1. Redistributions of source code must retain the above copyright
14
* notice, this list of conditions and the following disclaimer.
15
* 2. Redistributions in binary form must reproduce the above copyright
16
* notice, this list of conditions and the following disclaimer in the
17
* documentation and/or other materials provided with the distribution.
18
* 3. Neither the name of the University nor the names of its contributors
19
* may be used to endorse or promote products derived from this software
20
* without specific prior written permission.
22
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34
* @(#)eval.h 8.2 (Berkeley) 5/4/95
37
extern char *commandname; /* currently executing command */
38
extern int exitstatus; /* exit status of last command */
39
extern int back_exitstatus; /* exit status of backquoted command */
40
extern struct strlist *cmdenviron; /* environment for builtin command */
43
struct backcmd { /* result of evalbackcmd */
44
int fd; /* file descriptor to read from */
45
char *buf; /* buffer */
46
int nleft; /* number of chars in buffer */
47
struct job *jp; /* job structure for command */
50
void evalstring(char *, int);
51
union node; /* BLETCH for ansi C */
52
void evaltree(union node *, int);
53
void evalbackcmd(union node *, struct backcmd *);
55
/* in_function returns nonzero if we are currently evaluating a function */
56
#define in_function() funcnest
60
/* reasons for skipping commands (see comment on breakcmd routine) */
added
removed
ash/eval.h
