75 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*-
 | 
						|
 * 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.
 | 
						|
 * 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
 | 
						|
 * $FreeBSD: src/bin/sh/eval.h,v 1.10 2004/04/06 20:06:51 markm Exp $
 | 
						|
 */
 | 
						|
 | 
						|
extern char *commandname;	/* currently executing command */
 | 
						|
extern int exitstatus;		/* exit status of last 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 */
 | 
						|
};
 | 
						|
 | 
						|
int evalcmd(int, char **);
 | 
						|
void evalstring(char *);
 | 
						|
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 commandcmd(int, char **);
 | 
						|
 | 
						|
/* 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
 | 
						|
 | 
						|
/*
 | 
						|
 * $PchId: eval.h,v 1.3 2006/03/30 15:39:25 philip Exp $
 | 
						|
 */
 |