1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)exec.h 8.3 (Berkeley) 6/8/95
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33 * $FreeBSD: head/bin/sh/exec.h 201343 2009-12-31 16:13:33Z jilles $
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| 33 * $FreeBSD: head/bin/sh/exec.h 204800 2010-03-06 16:57:53Z jilles $ |
34 */
35
36/* values of cmdtype */
37#define CMDUNKNOWN -1 /* no entry in table for command */
38#define CMDNORMAL 0 /* command is an executable program */
39#define CMDBUILTIN 1 /* command is a shell builtin */
40#define CMDFUNCTION 2 /* command is a shell function */
41
42/* values for typecmd_impl's third parameter */
43enum {
44 TYPECMD_SMALLV, /* command -v */
45 TYPECMD_BIGV, /* command -V */
46 TYPECMD_TYPE /* type */
47};
48
49union node;
50struct cmdentry {
51 int cmdtype;
52 union param {
53 int index;
54 struct funcdef *func;
55 } u;
56 int special;
57};
58
59
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60/* action to find_command() */
61#define DO_ERR 0x01 /* prints errors */
62#define DO_NOFUNC 0x02 /* don't return shell functions, for command */
63 |
64extern const char *pathopt; /* set by padvance */
65extern int exerrno; /* last exec error */
66
67void shellexec(char **, char **, const char *, int) __dead2;
68char *padvance(const char **, const char *);
69int hashcmd(int, char **);
70void find_command(const char *, struct cmdentry *, int, const char *);
71int find_builtin(const char *, int *);
72void hashcd(void);
73void changepath(const char *);
74void deletefuncs(void);
75void addcmdentry(const char *, struct cmdentry *);
76void defun(const char *, union node *);
77int unsetfunc(const char *);
78int typecmd_impl(int, char **, int, const char *);
79int typecmd(int, char **);
80void clearcmdentry(int);
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