eval.h revision 1.9
1 1.9 christos /* $NetBSD: eval.h,v 1.9 1995/09/11 17:05:43 christos Exp $ */ 2 1.7 cgd 3 1.1 cgd /*- 4 1.5 jtc * Copyright (c) 1991, 1993 5 1.5 jtc * The Regents of the University of California. All rights reserved. 6 1.1 cgd * 7 1.1 cgd * This code is derived from software contributed to Berkeley by 8 1.1 cgd * Kenneth Almquist. 9 1.1 cgd * 10 1.1 cgd * Redistribution and use in source and binary forms, with or without 11 1.1 cgd * modification, are permitted provided that the following conditions 12 1.1 cgd * are met: 13 1.1 cgd * 1. Redistributions of source code must retain the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer. 15 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 cgd * notice, this list of conditions and the following disclaimer in the 17 1.1 cgd * documentation and/or other materials provided with the distribution. 18 1.1 cgd * 3. All advertising materials mentioning features or use of this software 19 1.1 cgd * must display the following acknowledgement: 20 1.1 cgd * This product includes software developed by the University of 21 1.1 cgd * California, Berkeley and its contributors. 22 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 23 1.1 cgd * may be used to endorse or promote products derived from this software 24 1.1 cgd * without specific prior written permission. 25 1.1 cgd * 26 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1 cgd * SUCH DAMAGE. 37 1.1 cgd * 38 1.8 christos * @(#)eval.h 8.2 (Berkeley) 5/4/95 39 1.1 cgd */ 40 1.1 cgd 41 1.1 cgd extern char *commandname; /* currently executing command */ 42 1.1 cgd extern int exitstatus; /* exit status of last command */ 43 1.1 cgd extern struct strlist *cmdenviron; /* environment for builtin command */ 44 1.1 cgd 45 1.1 cgd 46 1.1 cgd struct backcmd { /* result of evalbackcmd */ 47 1.1 cgd int fd; /* file descriptor to read from */ 48 1.1 cgd char *buf; /* buffer */ 49 1.1 cgd int nleft; /* number of chars in buffer */ 50 1.1 cgd struct job *jp; /* job structure for command */ 51 1.1 cgd }; 52 1.1 cgd 53 1.8 christos int evalcmd __P((int, char **)); 54 1.8 christos void evalstring __P((char *)); 55 1.1 cgd union node; /* BLETCH for ansi C */ 56 1.8 christos void evaltree __P((union node *, int)); 57 1.8 christos void evalbackcmd __P((union node *, struct backcmd *)); 58 1.8 christos int bltincmd __P((int, char **)); 59 1.8 christos int breakcmd __P((int, char **)); 60 1.8 christos int returncmd __P((int, char **)); 61 1.8 christos int falsecmd __P((int, char **)); 62 1.8 christos int truecmd __P((int, char **)); 63 1.8 christos int execcmd __P((int, char **)); 64 1.1 cgd 65 1.1 cgd /* in_function returns nonzero if we are currently evaluating a function */ 66 1.1 cgd #define in_function() funcnest 67 1.1 cgd extern int funcnest; 68 1.9 christos extern int evalskip; 69 1.9 christos 70 1.9 christos /* reasons for skipping commands (see comment on breakcmd routine) */ 71 1.9 christos #define SKIPBREAK 1 72 1.9 christos #define SKIPCONT 2 73 1.9 christos #define SKIPFUNC 3 74 1.9 christos #define SKIPFILE 4 75
Indexes created Tue Sep 23 02:09:52 GMT 2025