80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
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/* $NetBSD: exec.h,v 1.21 2003/08/07 09:05:31 agc Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)exec.h 8.3 (Berkeley) 6/8/95
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*/
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/* values of cmdtype */
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#define CMDUNKNOWN -1 /* no entry in table for command */
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#define CMDNORMAL 0 /* command is an executable program */
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#define CMDFUNCTION 1 /* command is a shell function */
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#define CMDBUILTIN 2 /* command is a shell builtin */
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#define CMDSPLBLTIN 3 /* command is a special shell builtin */
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struct cmdentry {
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int cmdtype;
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union param {
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int index;
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int (*bltin)(int, char**);
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union node *func;
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} u;
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};
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/* action to find_command() */
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#define DO_ERR 0x01 /* prints errors */
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#define DO_ABS 0x02 /* checks absolute paths */
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#define DO_NOFUNC 0x04 /* don't return shell functions, for command */
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#define DO_ALTPATH 0x08 /* using alternate path */
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#define DO_ALTBLTIN 0x20 /* %builtin in alt. path */
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extern const char *pathopt; /* set by padvance */
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void shellexec(char **, char **, const char *, int, int)
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__attribute__((__noreturn__));
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char *padvance(const char **, const char *);
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int hashcmd(int, char **);
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void find_command(char *, struct cmdentry *, int, const char *);
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int (*find_builtin(char *))(int, char **);
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int (*find_splbltin(char *))(int, char **);
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void hashcd(void);
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void changepath(const char *);
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void deletefuncs(void);
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void getcmdentry(char *, struct cmdentry *);
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void addcmdentry(char *, struct cmdentry *);
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void defun(char *, union node *);
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int unsetfunc(char *);
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int typecmd(int, char **);
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void hash_special_builtins(void);
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