param.h revision 75831 
1/*	$NetBSD: param.h,v 1.4 1995/07/23 18:14:41 ragge Exp $	*/
2
3/*
4 * Copyright (c) 1994, 1995 Jochen Pohl
5 * All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Jochen Pohl for
18 *	The NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: head/usr.bin/xlint/lint1/param.h 75831 2001-04-22 17:06:12Z asmodai $
34 */
35
36/*
37 * Minimun size of string buffer. If this is not enough, the buffer
38 * is enlarged in steps of STRBLEN bytes.
39 */
40#define	STRBLEN		256
41
42/*
43 * This defines the size of memory blocks which are used to allocate
44 * memory in larger chunks.
45 */
46#define	MBLKSIZ		((size_t)0x4000)
47
48/*
49 * Sizes of hash tables
50 * Should be a prime. Possible primes are
51 * 307, 401, 503, 601, 701, 809, 907, 1009, 1103, 1201, 1301, 1409, 1511.
52 *
53 * HSHSIZ1	symbol table 1st pass
54 * HSHSIZ2	symbol table 2nd pass
55 * THSHSIZ2	type table 2nd pass
56 */
57#define	HSHSIZ1		503
58#define HSHSIZ2		1009
59#define	THSHSIZ2	1009
60
61/*
62 * Should be set to 1 if the difference of two pointers is of type long
63 * or the value of sizeof is of type unsigned long.
64 */
65#ifdef __alpha__
66#define PTRDIFF_IS_LONG		1
67#define SIZEOF_IS_ULONG		1
68#elif __i386__
69#define PTRDIFF_IS_LONG		0
70#define SIZEOF_IS_ULONG		0
71#elif __m68k__
72#define PTRDIFF_IS_LONG		0
73#define SIZEOF_IS_ULONG		0
74#elif __ns32k__
75#define PTRDIFF_IS_LONG		0
76#define SIZEOF_IS_ULONG		0
77#elif __sparc__
78#define PTRDIFF_IS_LONG		0
79#define SIZEOF_IS_ULONG		0
80#elif __vax__
81#define PTRDIFF_IS_LONG         0
82#define SIZEOF_IS_ULONG         0
83#else
84#error unknown machine type
85#endif
86
87/*
88 * Make sure this matches wchar_t.
89 */
90#define WCHAR	SHORT
91
92#ifndef __GNUC__
93#ifndef lint
94#ifndef QUAD_MAX	/* necessary for mkdep */
95#define QUAD_MAX	LONG_MAX
96#define QUAD_MIN	LONG_MIN
97#define UQUAD_MAX	ULONG_MAX
98#endif
99typedef	long	quad_t;
100typedef	u_long	u_quad_t;
101#endif
102#endif
103
104
105/*
106 * long double only in ANSI C.
107 */
108#ifdef __STDC__
109typedef	long double ldbl_t;
110#else
111typedef	double	ldbl_t;
112#endif
113
114/*
115 * Some traditional compilers are not able to assign structures.
116 */
117#ifdef __STDC__
118#define STRUCT_ASSIGN(dest, src)	(dest) = (src)
119#else
120#define STRUCT_ASSIGN(dest, src)	(void)memcpy(&(dest), &(src), \
121						     sizeof (dest));
122#endif
123