param.h revision 12099
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 34/* 35 * Minimun size of string buffer. If this is not enough, the buffer 36 * is enlarged in steps of STRBLEN bytes. 37 */ 38#define STRBLEN 256 39 40/* 41 * This defines the size of memory blocks which are used to allocate 42 * memory in larger chunks. 43 */ 44#define MBLKSIZ ((size_t)0x4000) 45 46/* 47 * Sizes of hash tables 48 * Should be a prime. Possible primes are 49 * 307, 401, 503, 601, 701, 809, 907, 1009, 1103, 1201, 1301, 1409, 1511. 50 * 51 * HSHSIZ1 symbol table 1st pass 52 * HSHSIZ2 symbol table 2nd pass 53 * THSHSIZ2 type table 2nd pass 54 */ 55#define HSHSIZ1 503 56#define HSHSIZ2 1009 57#define THSHSIZ2 1009 58 59/* 60 * Should be set to 1 if the difference of two pointers is of type long 61 * or the value of sizeof is of type unsigned long. 62 */ 63#ifdef __alpha__ 64#define PTRDIFF_IS_LONG 1 65#define SIZEOF_IS_ULONG 1 66#elif __i386__ 67#define PTRDIFF_IS_LONG 0 68#define SIZEOF_IS_ULONG 0 69#elif __m68k__ 70#define PTRDIFF_IS_LONG 0 71#define SIZEOF_IS_ULONG 0 72#elif __ns32k__ 73#define PTRDIFF_IS_LONG 0 74#define SIZEOF_IS_ULONG 0 75#elif __sparc__ 76#define PTRDIFF_IS_LONG 0 77#define SIZEOF_IS_ULONG 0 78#elif __vax__ 79#define PTRDIFF_IS_LONG 0 80#define SIZEOF_IS_ULONG 0 81#else 82#error unknown machine type 83#endif 84 85/* 86 * Make sure this matches wchar_t. 87 */ 88#define WCHAR SHORT 89 90#ifndef __GNUC__ 91#ifndef lint 92#ifndef QUAD_MAX /* necessary for mkdep */ 93#define QUAD_MAX LONG_MAX 94#define QUAD_MIN LONG_MIN 95#define UQUAD_MAX ULONG_MAX 96#endif 97typedef long quad_t; 98typedef u_long u_quad_t; 99#endif 100#endif 101 102 103/* 104 * long double only in ANSI C. 105 */ 106#ifdef __STDC__ 107typedef long double ldbl_t; 108#else 109typedef double ldbl_t; 110#endif 111 112/* 113 * Some traditional compilers are not able to assign structures. 114 */ 115#ifdef __STDC__ 116#define STRUCT_ASSIGN(dest, src) (dest) = (src) 117#else 118#define STRUCT_ASSIGN(dest, src) (void)memcpy(&(dest), &(src), \ 119 sizeof (dest)); 120#endif 121