/* $NetBSD: exec.h,v 1.17 2000/05/22 10:18:47 elric Exp $ */ /*- * 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. * * @(#)exec.h 8.3 (Berkeley) 6/8/95 */ /* values of cmdtype */ #define CMDUNKNOWN -1 /* no entry in table for command */ #define CMDNORMAL 0 /* command is an executable program */ #define CMDBUILTIN 1 /* command is a shell builtin */ #define CMDFUNCTION 2 /* command is a shell function */ struct cmdentry { int cmdtype; union param { int index; union node *func; } u; }; #define DO_ERR 1 /* find_command prints errors */ #define DO_ABS 2 /* find_command checks absolute paths */ #define DO_NOFUN 4 /* find_command ignores functions */ #define DO_BRUTE 8 /* find_command ignores hash table */ extern const char *pathopt; /* set by padvance */ extern int exerrno; /* last exec error */ void shellexec (char **, char **, const char *, int) __attribute__((noreturn)); char *padvance (const char **, const char *); int hashcmd (int, char **); void find_command (char *, struct cmdentry *, int, const char *); int find_builtin (char *); void hashcd (void); void changepath (const char *); void deletefuncs (void); void getcmdentry (char *, struct cmdentry *); void addcmdentry (char *, struct cmdentry *); void defun (char *, union node *); int unsetfunc (char *); int typecmd (int, char **); int commandcmd (int, char **);