| 1 | /*-
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| 2 | * Copyright (c) 1991 The Regents of the University of California.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * This code is derived from software contributed to Berkeley by
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| 6 | * Kenneth Almquist.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | * 3. All advertising materials mentioning features or use of this software
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| 17 | * must display the following acknowledgement:
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| 18 | * This product includes software developed by the University of
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| 19 | * California, Berkeley and its contributors.
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| 20 | * 4. Neither the name of the University nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 34 | * SUCH DAMAGE.
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| 35 | *
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| 36 | * @(#)shell.h 5.4 (Berkeley) 4/12/91
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| 37 | */
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| 38 |
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| 39 | /*
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| 40 | * The follow should be set to reflect the type of system you have:
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| 41 | * JOBS -> 1 if you have Berkeley job control, 0 otherwise.
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| 42 | * SYMLINKS -> 1 if your system includes symbolic links, 0 otherwise.
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| 43 | * DIRENT -> 1 if your system has the SVR3 directory(3X) routines.
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| 44 | * UDIR -> 1 if you want the shell to simulate the /u directory.
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| 45 | * TILDE -> 1 if you want the shell to expand ~logname.
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| 46 | * USEGETPW -> 1 if getpwnam() must be used to look up a name.
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| 47 | * ATTY -> 1 to include code for atty(1).
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| 48 | * SHORTNAMES -> 1 if your linker cannot handle long names.
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| 49 | * READLINE -> 1 if line editing by readline() should be enabled.
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| 50 | * define BSD if you are running 4.2 BSD or later.
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| 51 | * define SYSV if you are running under System V.
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| 52 | * define DEBUG=1 to compile in debugging (set global "debug" to turn on)
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| 53 | * define DEBUG=2 to compile in and turn on debugging.
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| 54 | *
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| 55 | * When debugging is on, debugging info will be written to $HOME/trace and
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| 56 | * a quit signal will generate a core dump.
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| 57 | */
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| 58 |
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| 59 |
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| 60 | #define JOBS 0
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| 61 |
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| 62 | /* Set SYMLINKS to 0 by request of Giovanni Falzoni, who wrote the
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| 63 | * symlink patches for Minix; email to minix-devel-l of thu 3 nov.
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| 64 | */
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| 65 |
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| 66 | #if 0
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| 67 | #define SYMLINKS defined(S_ISLNK)
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| 68 | #else
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| 69 | #define SYMLINKS 0
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| 70 | #endif
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| 71 |
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| 72 | #define DIRENT 1
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| 73 | #define UDIR 0
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| 74 | #define TILDE 1
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| 75 | #define USEGETPW 0
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| 76 | #define ATTY 0
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| 77 | #define READLINE 1
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| 78 | #define HASHBANG 0
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| 79 | /* #define BSD */
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| 80 | #define POSIX 1
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| 81 | #define DEBUG 0
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| 82 |
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| 83 | #ifdef __STDC__
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| 84 | typedef void *pointer;
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| 85 | #ifndef NULL
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| 86 | #define NULL (void *)0
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| 87 | #endif
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| 88 | #else /* not __STDC__ */
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| 89 | typedef char *pointer;
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| 90 | #ifndef NULL
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| 91 | #define NULL 0
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| 92 | #endif
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| 93 | #endif /* not __STDC__ */
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| 94 | #define STATIC /* empty */
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| 95 | #define MKINIT /* empty */
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| 96 |
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| 97 | #include <sys/cdefs.h>
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| 98 | #include <sys/types.h>
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| 99 |
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| 100 | extern char nullstr[1]; /* null string */
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| 101 |
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| 102 |
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| 103 | #if DEBUG
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| 104 | #define TRACE(param) trace param
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| 105 | #else
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| 106 | #define TRACE(param)
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| 107 | #endif
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