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2714 | cejka | 1 | /* $NetBSD: exec.h,v 1.17 2000/05/22 10:18:47 elric Exp $ */ |
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3 | /*- |
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4 | * Copyright (c) 1991, 1993 |
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5 | * The Regents of the University of California. All rights reserved. |
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6 | * |
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7 | * This code is derived from software contributed to Berkeley by |
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8 | * Kenneth Almquist. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * 3. All advertising materials mentioning features or use of this software |
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19 | * must display the following acknowledgement: |
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20 | * This product includes software developed by the University of |
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21 | * California, Berkeley and its contributors. |
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22 | * 4. Neither the name of the University nor the names of its contributors |
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23 | * may be used to endorse or promote products derived from this software |
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24 | * without specific prior written permission. |
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25 | * |
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26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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36 | * SUCH DAMAGE. |
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37 | * |
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38 | * @(#)exec.h 8.3 (Berkeley) 6/8/95 |
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39 | */ |
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40 | |||
41 | /* values of cmdtype */ |
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42 | #define CMDUNKNOWN -1 /* no entry in table for command */ |
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43 | #define CMDNORMAL 0 /* command is an executable program */ |
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44 | #define CMDBUILTIN 1 /* command is a shell builtin */ |
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45 | #define CMDFUNCTION 2 /* command is a shell function */ |
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46 | |||
47 | |||
48 | struct cmdentry { |
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49 | int cmdtype; |
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50 | union param { |
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51 | int index; |
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52 | union node *func; |
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53 | } u; |
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54 | }; |
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55 | |||
56 | |||
57 | #define DO_ERR 1 /* find_command prints errors */ |
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58 | #define DO_ABS 2 /* find_command checks absolute paths */ |
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59 | #define DO_NOFUN 4 /* find_command ignores functions */ |
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60 | #define DO_BRUTE 8 /* find_command ignores hash table */ |
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61 | |||
62 | extern const char *pathopt; /* set by padvance */ |
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63 | extern int exerrno; /* last exec error */ |
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64 | |||
65 | void shellexec (char **, char **, const char *, int) |
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66 | __attribute__((noreturn)); |
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67 | char *padvance (const char **, const char *); |
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68 | int hashcmd (int, char **); |
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69 | void find_command (char *, struct cmdentry *, int, const char *); |
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70 | int find_builtin (char *); |
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71 | void hashcd (void); |
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72 | void changepath (const char *); |
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73 | void deletefuncs (void); |
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74 | void getcmdentry (char *, struct cmdentry *); |
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75 | void addcmdentry (char *, struct cmdentry *); |
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76 | void defun (char *, union node *); |
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77 | int unsetfunc (char *); |
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78 | int typecmd (int, char **); |
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79 | int commandcmd (int, char **); |