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| 1 | /* $NetBSD: redir.h,v 1.12 2000/05/22 10:18:47 elric Exp $ */ |
1 | /* $NetBSD: redir.h,v 1.12 2000/05/22 10:18:47 elric Exp $ */ |
| 2 | 2 | ||
| 3 | /*- |
3 | /*- |
| 4 | * Copyright (c) 1991, 1993 |
4 | * Copyright (c) 1991, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
6 | * |
| 7 | * This code is derived from software contributed to Berkeley by |
7 | * This code is derived from software contributed to Berkeley by |
| 8 | * Kenneth Almquist. |
8 | * Kenneth Almquist. |
| 9 | * |
9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
17 | * documentation and/or other materials provided with the distribution. |
| 18 | * 3. All advertising materials mentioning features or use of this software |
18 | * 3. All advertising materials mentioning features or use of this software |
| 19 | * must display the following acknowledgement: |
19 | * must display the following acknowledgement: |
| 20 | * This product includes software developed by the University of |
20 | * This product includes software developed by the University of |
| 21 | * California, Berkeley and its contributors. |
21 | * California, Berkeley and its contributors. |
| 22 | * 4. Neither the name of the University nor the names of its contributors |
22 | * 4. Neither the name of the University nor the names of its contributors |
| 23 | * may be used to endorse or promote products derived from this software |
23 | * may be used to endorse or promote products derived from this software |
| 24 | * without specific prior written permission. |
24 | * without specific prior written permission. |
| 25 | * |
25 | * |
| 26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 36 | * SUCH DAMAGE. |
36 | * SUCH DAMAGE. |
| 37 | * |
37 | * |
| 38 | * @(#)redir.h 8.2 (Berkeley) 5/4/95 |
38 | * @(#)redir.h 8.2 (Berkeley) 5/4/95 |
| 39 | */ |
39 | */ |
| 40 | 40 | ||
| 41 | /* flags passed to redirect */ |
41 | /* flags passed to redirect */ |
| 42 | #define REDIR_PUSH 01 /* save previous values of file descriptors */ |
42 | #define REDIR_PUSH 01 /* save previous values of file descriptors */ |
| 43 | #define REDIR_BACKQ 02 /* save the command output in memory */ |
43 | #define REDIR_BACKQ 02 /* save the command output in memory */ |
| 44 | 44 | ||
| 45 | extern int fd2; |
45 | extern int fd2; |
| 46 | 46 | ||
| 47 | union node; |
47 | union node; |
| 48 | void redirect (union node *, int); |
48 | void redirect (union node *, int); |
| 49 | void popredir (void); |
49 | void popredir (void); |
| 50 | int fd0_redirected_p (void); |
50 | int fd0_redirected_p (void); |
| 51 | void clearredir (void); |
51 | void clearredir (void); |
| 52 | int copyfd (int, int); |
52 | int copyfd (int, int); |
| 53 | 53 | ||
| 54 | 54 | ||