eval.h revision 1.5
1 1.1 cgd /*- 2 1.5 jtc * Copyright (c) 1991, 1993 3 1.5 jtc * The Regents of the University of California. All rights reserved. 4 1.1 cgd * 5 1.1 cgd * This code is derived from software contributed to Berkeley by 6 1.1 cgd * Kenneth Almquist. 7 1.1 cgd * 8 1.1 cgd * Redistribution and use in source and binary forms, with or without 9 1.1 cgd * modification, are permitted provided that the following conditions 10 1.1 cgd * are met: 11 1.1 cgd * 1. Redistributions of source code must retain the above copyright 12 1.1 cgd * notice, this list of conditions and the following disclaimer. 13 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer in the 15 1.1 cgd * documentation and/or other materials provided with the distribution. 16 1.1 cgd * 3. All advertising materials mentioning features or use of this software 17 1.1 cgd * must display the following acknowledgement: 18 1.1 cgd * This product includes software developed by the University of 19 1.1 cgd * California, Berkeley and its contributors. 20 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 21 1.1 cgd * may be used to endorse or promote products derived from this software 22 1.1 cgd * without specific prior written permission. 23 1.1 cgd * 24 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 1.1 cgd * SUCH DAMAGE. 35 1.1 cgd * 36 1.5 jtc * @(#)eval.h 8.1 (Berkeley) 5/31/93 37 1.1 cgd */ 38 1.1 cgd 39 1.1 cgd extern char *commandname; /* currently executing command */ 40 1.1 cgd extern int exitstatus; /* exit status of last command */ 41 1.1 cgd extern struct strlist *cmdenviron; /* environment for builtin command */ 42 1.1 cgd 43 1.1 cgd 44 1.1 cgd struct backcmd { /* result of evalbackcmd */ 45 1.1 cgd int fd; /* file descriptor to read from */ 46 1.1 cgd char *buf; /* buffer */ 47 1.1 cgd int nleft; /* number of chars in buffer */ 48 1.1 cgd struct job *jp; /* job structure for command */ 49 1.1 cgd }; 50 1.1 cgd 51 1.1 cgd 52 1.1 cgd #ifdef __STDC__ 53 1.1 cgd void evalstring(char *); 54 1.1 cgd union node; /* BLETCH for ansi C */ 55 1.1 cgd void evaltree(union node *, int); 56 1.1 cgd void evalbackcmd(union node *, struct backcmd *); 57 1.1 cgd #else 58 1.1 cgd void evalstring(); 59 1.1 cgd void evaltree(); 60 1.1 cgd void evalbackcmd(); 61 1.1 cgd #endif 62 1.1 cgd 63 1.1 cgd /* in_function returns nonzero if we are currently evaluating a function */ 64 1.1 cgd #define in_function() funcnest 65 1.1 cgd extern int funcnest; 66
Indexes created Mon Sep 22 05:09:51 GMT 2025