/* $NetBSD: exec.h,v 1.21 2003/08/07 09:05:31 agc 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. 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 */ #ifndef ___exec_h #define ___exec_h /* values of cmdtype */ #define CMDUNKNOWN -1 /* no entry in table for command */ #define CMDNORMAL 0 /* command is an executable program */ #define CMDFUNCTION 1 /* command is a shell function */ #define CMDBUILTIN 2 /* command is a shell builtin */ #define CMDSPLBLTIN 3 /* command is a special shell builtin */ union param { int index; int (*bltin)(struct shinstance*, int, char**); union node *func; }; struct cmdentry { int cmdtype; union param u; }; /* action to find_command() */ #define DO_ERR 0x01 /* prints errors */ #define DO_ABS 0x02 /* checks absolute paths */ #define DO_NOFUNC 0x04 /* don't return shell functions, for command */ #define DO_ALTPATH 0x08 /* using alternate path */ #define DO_ALTBLTIN 0x20 /* %builtin in alt. path */ /*extern const char *pathopt;*/ /* set by padvance */ #if !defined(__GNUC__) && !defined(__attribute__) # define __attribute__(a) #endif SH_NORETURN_1 void shellexec(struct shinstance *, char **, char **, const char *, int, int) SH_NORETURN_2; char *padvance(struct shinstance *, const char **, const char *); int hashcmd(struct shinstance *, int, char **); void find_command(struct shinstance *, char *, struct cmdentry *, int, const char *); int (*find_builtin(struct shinstance *, char *))(struct shinstance *, int, char **); int (*find_splbltin(struct shinstance *, char *))(struct shinstance *, int, char **); void hashcd(struct shinstance *); void changepath(struct shinstance *, const char *); void deletefuncs(struct shinstance *); void getcmdentry(struct shinstance *, char *, struct cmdentry *); void addcmdentry(struct shinstance *, char *, struct cmdentry *); void defun(struct shinstance *, char *, union node *); int unsetfunc(struct shinstance *, char *); int typecmd(struct shinstance *, int, char **); void hash_special_builtins(struct shinstance *); #endif