xref: /freebsd/bin/sh/shell.h (revision 2f9966ff63d65bd474478888c9088eeae3f9c669)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
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 
35 #ifndef SHELL_H_
36 #define SHELL_H_
37 
38 #include <inttypes.h>
39 
40 /*
41  * The follow should be set to reflect the type of system you have:
42  *	JOBS -> 1 if you have Berkeley job control, 0 otherwise.
43  *	define DEBUG=1 to compile in debugging (set global "debug" to turn on)
44  *	define DEBUG=2 to compile in and turn on debugging.
45  *
46  * When debugging is on, debugging info will be written to ./trace and
47  * a quit signal will generate a core dump.
48  */
49 
50 
51 #define	JOBS 1
52 /* #define DEBUG 1 */
53 
54 /*
55  * Type of used arithmetic. SUSv3 requires us to have at least signed long.
56  */
57 typedef intmax_t arith_t;
58 #define	ARITH_FORMAT_STR  "%" PRIdMAX
59 #define	ARITH_MIN INTMAX_MIN
60 #define	ARITH_MAX INTMAX_MAX
61 
62 typedef void *pointer;
63 
64 #include <sys/cdefs.h>
65 
66 extern char nullstr[1];		/* null string */
67 
68 #ifdef DEBUG
69 #define TRACE(param)  sh_trace param
70 #else
71 #define TRACE(param)
72 #endif
73 
74 #endif /* !SHELL_H_ */
75