0,0 → 1,75 |
/* $NetBSD: eval.h,v 1.10 2000/01/27 23:39:40 christos Exp $ */ |
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/*- |
* 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. All advertising materials mentioning features or use of this software |
* must display the following acknowledgement: |
* This product includes software developed by the University of |
* California, Berkeley and its contributors. |
* 4. 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 |
*/ |
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extern char *commandname; /* currently executing command */ |
extern int exitstatus; /* exit status of last command */ |
extern struct strlist *cmdenviron; /* environment for builtin command */ |
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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 */ |
}; |
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int evalcmd (int, char **); |
void evalstring (char *, int); |
union node; /* BLETCH for ansi C */ |
void evaltree (union node *, int); |
void evalbackcmd (union node *, struct backcmd *); |
int bltincmd (int, char **); |
int breakcmd (int, char **); |
int returncmd (int, char **); |
int falsecmd (int, char **); |
int truecmd (int, char **); |
int execcmd (int, char **); |
int is_special_builtin (const char *); |
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/* in_function returns nonzero if we are currently evaluating a function */ |
#define in_function() funcnest |
extern int funcnest; |
extern int evalskip; |
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/* reasons for skipping commands (see comment on breakcmd routine) */ |
#define SKIPBREAK 1 |
#define SKIPCONT 2 |
#define SKIPFUNC 3 |
#define SKIPFILE 4 |