1 /* $NetBSD: exec.h,v 1.17 2000/05/22 10:18:47 elric Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)exec.h 8.3 (Berkeley) 6/8/95 39 */ 40 41 /* values of cmdtype */ 42 #define CMDUNKNOWN -1 /* no entry in table for command */ 43 #define CMDNORMAL 0 /* command is an executable program */ 44 #define CMDBUILTIN 1 /* command is a shell builtin */ 45 #define CMDFUNCTION 2 /* command is a shell function */ 46 47 48 struct cmdentry { 49 int cmdtype; 50 union param { 51 int index; 52 union node *func; 53 } u; 54 }; 55 56 57 #define DO_ERR 1 /* find_command prints errors */ 58 #define DO_ABS 2 /* find_command checks absolute paths */ 59 60 extern const char *pathopt; /* set by padvance */ 61 extern int exerrno; /* last exec error */ 62 63 void shellexec __P((char **, char **, const char *, int)) 64 __attribute__((noreturn)); 65 char *padvance __P((const char **, const char *)); 66 int hashcmd __P((int, char **)); 67 void find_command __P((char *, struct cmdentry *, int, const char *)); 68 int find_builtin __P((char *)); 69 void hashcd __P((void)); 70 void changepath __P((const char *)); 71 void deletefuncs __P((void)); 72 void getcmdentry __P((char *, struct cmdentry *)); 73 void addcmdentry __P((char *, struct cmdentry *)); 74 void defun __P((char *, union node *)); 75 int unsetfunc __P((char *)); 76 int typecmd __P((int, char **)); 77