xref: /freebsd/bin/sh/shell.h (revision f5147e312f43a9050468de539aeafa072caa1a60)
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  *	@(#)shell.h	8.2 (Berkeley) 5/4/95
35  * $FreeBSD$
36  */
37 
38 #ifndef SHELL_H_
39 #define SHELL_H_
40 
41 #include <inttypes.h>
42 
43 /*
44  * The follow should be set to reflect the type of system you have:
45  *	JOBS -> 1 if you have Berkeley job control, 0 otherwise.
46  *	define DEBUG=1 to compile in debugging (set global "debug" to turn on)
47  *	define DEBUG=2 to compile in and turn on debugging.
48  *
49  * When debugging is on, debugging info will be written to ./trace and
50  * a quit signal will generate a core dump.
51  */
52 
53 
54 #define	JOBS 1
55 /* #define DEBUG 1 */
56 
57 /*
58  * Type of used arithmetics. SUSv3 requires us to have at least signed long.
59  */
60 typedef intmax_t arith_t;
61 #define	ARITH_FORMAT_STR  "%" PRIdMAX
62 #define	atoarith_t(arg)  strtoimax(arg, NULL, 0)
63 #define	strtoarith_t(nptr, endptr, base)  strtoimax(nptr, endptr, base)
64 #define	ARITH_MIN INTMAX_MIN
65 #define	ARITH_MAX INTMAX_MAX
66 
67 typedef void *pointer;
68 
69 #include <sys/cdefs.h>
70 
71 extern char nullstr[1];		/* null string */
72 
73 #ifdef DEBUG
74 #define TRACE(param)  sh_trace param
75 #else
76 #define TRACE(param)
77 #endif
78 
79 #endif /* !SHELL_H_ */
80