| The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* $NetBSD: exec.h,v 1.21 2003/08/07 09:05:31 agc 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. Neither the name of the University nor the names of its contributors |
| 19 | * may be used to endorse or promote products derived from this software |
| 20 | * without specific prior written permission. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 32 | * SUCH DAMAGE. |
| 33 | * |
| 34 | * @(#)exec.h 8.3 (Berkeley) 6/8/95 |
| 35 | */ |
| 36 | |
| 37 | /* values of cmdtype */ |
| 38 | #define CMDUNKNOWN -1 /* no entry in table for command */ |
| 39 | #define CMDNORMAL 0 /* command is an executable program */ |
| 40 | #define CMDFUNCTION 1 /* command is a shell function */ |
| 41 | #define CMDBUILTIN 2 /* command is a shell builtin */ |
| 42 | #define CMDSPLBLTIN 3 /* command is a special shell builtin */ |
| 43 | |
| 44 | |
| 45 | struct cmdentry { |
| 46 | int cmdtype; |
| 47 | union param { |
| 48 | int index; |
| 49 | int (*bltin)(int, char**); |
| 50 | union node *func; |
| 51 | } u; |
| 52 | }; |
| 53 | |
| 54 | |
| 55 | /* action to find_command() */ |
| 56 | #define DO_ERR 0x01 /* prints errors */ |
| 57 | #define DO_ABS 0x02 /* checks absolute paths */ |
| 58 | #define DO_NOFUNC 0x04 /* don't return shell functions, for command */ |
| 59 | #define DO_ALTPATH 0x08 /* using alternate path */ |
| 60 | #define DO_ALTBLTIN 0x20 /* %builtin in alt. path */ |
| 61 | |
| 62 | extern const char *pathopt; /* set by padvance */ |
| 63 | |
| 64 | void shellexec(char **, char **, const char *, int, int) |
| 65 | __attribute__((__noreturn__)); |
| 66 | char *padvance(const char **, const char *); |
| 67 | int hashcmd(int, char **); |
| 68 | void find_command(char *, struct cmdentry *, int, const char *); |
| 69 | int (*find_builtin(char *))(int, char **); |
| 70 | int (*find_splbltin(char *))(int, char **); |
| 71 | void hashcd(void); |
| 72 | void changepath(const char *); |
| 73 | void deletefuncs(void); |
| 74 | void getcmdentry(char *, struct cmdentry *); |
| 75 | void addcmdentry(char *, struct cmdentry *); |
| 76 | void defun(char *, union node *); |
| 77 | int unsetfunc(char *); |
| 78 | int typecmd(int, char **); |
| 79 | void hash_special_builtins(void); |