Contents of /tags/mkinitrd-6_1_12/klibc/usr/dash/eval.h
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Tue Nov 17 21:24:51 2009 UTC (14 years, 10 months ago) by niro
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Tue Nov 17 21:24:51 2009 UTC (14 years, 10 months ago) by niro
File MIME type: text/plain
File size: 2670 byte(s)
tagged 'mkinitrd-6_1_12'
1 | /*- |
2 | * Copyright (c) 1991, 1993 |
3 | * The Regents of the University of California. All rights reserved. |
4 | * Copyright (c) 1997-2005 |
5 | * Herbert Xu <herbert@gondor.apana.org.au>. 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 | * @(#)eval.h 8.2 (Berkeley) 5/4/95 |
35 | */ |
36 | |
37 | extern char *commandname; /* currently executing command */ |
38 | extern int exitstatus; /* exit status of last command */ |
39 | extern int back_exitstatus; /* exit status of backquoted command */ |
40 | extern struct strlist *cmdenviron; /* environment for builtin command */ |
41 | |
42 | |
43 | struct backcmd { /* result of evalbackcmd */ |
44 | int fd; /* file descriptor to read from */ |
45 | char *buf; /* buffer */ |
46 | int nleft; /* number of chars in buffer */ |
47 | struct job *jp; /* job structure for command */ |
48 | }; |
49 | |
50 | int evalstring(char *, int); |
51 | union node; /* BLETCH for ansi C */ |
52 | void evaltree(union node *, int); |
53 | void evalbackcmd(union node *, struct backcmd *); |
54 | |
55 | extern int evalskip; |
56 | |
57 | /* reasons for skipping commands (see comment on breakcmd routine) */ |
58 | #define SKIPBREAK (1 << 0) |
59 | #define SKIPCONT (1 << 1) |
60 | #define SKIPFUNC (1 << 2) |
61 | #define SKIPFILE (1 << 3) |
62 | #define SKIPEVAL (1 << 4) |